| Age | Commit message (Collapse) | Author | Files | Lines |
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Pull drm fixes from Dave Airlie:
"Main set of fixes for rc2, mostly amdgpu, but some dma-fence fixups as
well, along with some other misc ones.
dma-fence:
- fix warning about fence containers
- fix logic error in new fence merge code
- handle empty dma_fence_arrays gracefully
bridge:
- Try all possible cases for bridge/panel detection.
bindings:
- Don't require input port for MIPI-DSI, and make width/height mandatory.
fbdev:
- Fix unregistering of framebuffers without device.
nouveau:
- Fix a crash when booting with nouveau on tegra.
amdgpu:
- GFX 10.3.7 fixes
- noretry updates
- VCN fixes
- TMDS fix
- zstate fix for freesync video
- DCN 3.1.5 fix
- Display stack size fix
- Audio fix
- DCN 3.1 pstate fix
- TMZ VCN fix
- APU passthrough fix
- Misc other fixes
- VCN 3.0 fixes
- Misc display fixes
- GC 10.3 golden register fix
- Suspend fix
- SMU 10 fix
amdkfd:
- Error handling fix
- xgmi p2p fix
- HWS VMIDs fix
- Event fix
panel:
- ili9341: Fix optional regulator handling
imx:
- Catch an EDID allocation failure in imx-ldb
- fix a leaked drm display mode on DT parsing error in parallel-display
- properly remove the dw_hdmi bridge in case the component_add fails in dw_hdmi-imx
- fix the IPU clock frequency debug printout in ipu-di"
* tag 'drm-fixes-2022-04-08' of git://anongit.freedesktop.org/drm/drm: (61 commits)
dt-bindings: display: panel: mipi-dbi-spi: Make width-mm/height-mm mandatory
fbdev: Fix unregistering of framebuffers without device
drm/amdgpu/smu10: fix SoC/fclk units in auto mode
drm/amd/display: update dcn315 clock table read
drm/amdgpu/display: change pipe policy for DCN 2.1
drm/amd/display: Add configuration options for AUX wake work around.
drm/amd/display: remove assert for odm transition case
drm/amdgpu: don't use BACO for reset in S3
drm/amd/display: Fix by adding FPU protection for dcn30_internal_validate_bw
drm/amdkfd: Create file descriptor after client is added to smi_clients list
drm/amdgpu: Sync up header and implementation to use the same parameter names
drm/amdgpu: fix incorrect GCR_GENERAL_CNTL address
amd/display: set backlight only if required
drm/amd/display: Fix allocate_mst_payload assert on resume
drm/amd/display: Revert FEC check in validation
drm/amd/display: Add work around for AUX failure on wake.
drm/amd/display: Clear optc false state when disable otg
drm/amd/display: Enable power gating before init_pipes
drm/amd/display: Remove redundant dsc power gating from init_hw
drm/amd/display: Correct Slice reset calculation
...
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Pull cifs client fixes from Steve French:
- reconnect fixes: one for DFS and one to avoid a reconnect race
- small change to deal with upcoming behavior change of list iterators
* tag '5.18-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module number
cifs: force new session setup and tcon for dfs
cifs: remove check of list iterator against head past the loop body
cifs: fix potential race with cifsd thread
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf and netfilter.
Current release - new code bugs:
- mctp: correct mctp_i2c_header_create result
- eth: fungible: fix reference to __udivdi3 on 32b builds
- eth: micrel: remove latencies support lan8814
Previous releases - regressions:
- bpf: resolve to prog->aux->dst_prog->type only for BPF_PROG_TYPE_EXT
- vrf: fix packet sniffing for traffic originating from ip tunnels
- rxrpc: fix a race in rxrpc_exit_net()
- dsa: revert "net: dsa: stop updating master MTU from master.c"
- eth: ice: fix MAC address setting
Previous releases - always broken:
- tls: fix slab-out-of-bounds bug in decrypt_internal
- bpf: support dual-stack sockets in bpf_tcp_check_syncookie
- xdp: fix coalescing for page_pool fragment recycling
- ovs: fix leak of nested actions
- eth: sfc:
- add missing xdp queue reinitialization
- fix using uninitialized xdp tx_queue
- eth: ice:
- clear default forwarding VSI during VSI release
- fix broken IFF_ALLMULTI handling
- synchronize_rcu() when terminating rings
- eth: qede: confirm skb is allocated before using
- eth: aqc111: fix out-of-bounds accesses in RX fixup
- eth: slip: fix NPD bug in sl_tx_timeout()"
* tag 'net-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
drivers: net: slip: fix NPD bug in sl_tx_timeout()
bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets
bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
myri10ge: fix an incorrect free for skb in myri10ge_sw_tso
net: usb: aqc111: Fix out-of-bounds accesses in RX fixup
qede: confirm skb is allocated before using
net: ipv6mr: fix unused variable warning with CONFIG_IPV6_PIMSM_V2=n
net: phy: mscc-miim: reject clause 45 register accesses
net: axiemac: use a phandle to reference pcs_phy
dt-bindings: net: add pcs-handle attribute
net: axienet: factor out phy_node in struct axienet_local
net: axienet: setup mdio unconditionally
net: sfc: fix using uninitialized xdp tx_queue
rxrpc: fix a race in rxrpc_exit_net()
net: openvswitch: fix leak of nested actions
net: ethernet: mv643xx: Fix over zealous checking of_get_mac_address()
net: openvswitch: don't send internal clone attribute to the userspace.
net: micrel: Fix KS8851 Kconfig
ice: clear cmd_type_offset_bsz for TX rings
ice: xsk: fix VSI state check in ice_xsk_wakeup()
...
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.18-rc2:
- Fix a crash when booting with nouveau on tegra.
- Don't require input port for MIPI-DSI, and make width/height mandatory.
- Fix unregistering of framebuffers without device.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/58fa2262-3eb6-876d-7157-ab7a135696b7@linux.intel.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-next-fixes for v5.18-rc2:
- fix warning about fence containers
- fix logic error in new fence merge code
- handle empty dma_fence_arrays gracefully
- Try all possible cases for bridge/panel detection.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3b8e6439-612e-f640-e380-51e834393e94@linux.intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- Correctly propagate coherence information for VMbus devices (Michael
Kelley)
- Disable balloon and memory hot-add on ARM64 temporarily (Boqun Feng)
- Use barrier to prevent reording when reading ring buffer (Michael
Kelley)
- Use virt_store_mb in favour of smp_store_mb (Andrea Parri)
- Fix VMbus device object initialization (Andrea Parri)
- Deactivate sysctl_record_panic_msg on isolated guest (Andrea Parri)
- Fix a crash when unloading VMbus module (Guilherme G. Piccoli)
* tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Replace smp_store_mb() with virt_store_mb()
Drivers: hv: balloon: Disable balloon and hot-add accordingly
Drivers: hv: balloon: Support status report for larger page sizes
Drivers: hv: vmbus: Prevent load re-ordering when reading ring buffer
PCI: hv: Propagate coherence from VMbus device to PCI device
Drivers: hv: vmbus: Propagate VMbus coherence to each VMbus device
Drivers: hv: vmbus: Fix potential crash on module unload
Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()
Drivers: hv: vmbus: Deactivate sysctl_record_panic_msg by default in isolated guests
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git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- Another fixup to the fast_init/crng_init split, this time in how much
entropy is being credited, from Jan Varho.
- As discussed, we now opportunistically call try_to_generate_entropy()
in /dev/urandom reads, as a replacement for the reverted commit. I
opted to not do the more invasive wait_for_random_bytes() change at
least for now, preferring to do something smaller and more obvious
for the time being, but maybe that can be revisited as things evolve
later.
- Userspace can use FUSE or userfaultfd or simply move a process to
idle priority in order to make a read from the random device never
complete, which breaks forward secrecy, fixed by overwriting
sensitive bytes early on in the function.
- Jann Horn noticed that /dev/urandom reads were only checking for
pending signals if need_resched() was true, a bug going back to the
genesis commit, now fixed by always checking for signal_pending() and
calling cond_resched(). This explains various noticeable signal
delivery delays I've seen in programs over the years that do long
reads from /dev/urandom.
- In order to be more like other devices (e.g. /dev/zero) and to
mitigate the impact of fixing the above bug, which has been around
forever (users have never really needed to check the return value of
read() for medium-sized reads and so perhaps many didn't), we now
move signal checking to the bottom part of the loop, and do so every
PAGE_SIZE-bytes.
* tag 'random-5.18-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
random: check for signal_pending() outside of need_resched() check
random: do not allow user to keep crng key around on stack
random: opportunistically initialize on /dev/urandom reads
random: do not split fast init input in add_hwgenerator_randomness()
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fixes from Damien Le Moal:
- Fix a compilation warning due to an uninitialized variable in
ata_sff_lost_interrupt(), from me.
- Fix invalid internal command tag handling in the sata_dwc_460ex
driver, from Christian.
- Disable READ LOG DMA EXT with Samsung 840 EVO SSDs as this command
causes the drives to hang, from Christian.
- Change the config option CONFIG_SATA_LPM_POLICY back to its original
name CONFIG_SATA_LPM_MOBILE_POLICY to avoid potential problems with
users losing their configuration (as discussed during the merge
window), from Mario.
* tag 'ata-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: ahci: Rename CONFIG_SATA_LPM_POLICY configuration item back
ata: libata-core: Disable READ LOG DMA EXT for Samsung 840 EVOs
ata: sata_dwc_460ex: Fix crash due to OOB write
ata: libata-sff: Fix compilation warning in ata_sff_lost_interrupt()
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When a slip driver is detaching, the slip_close() will act to
cleanup necessary resources and sl->tty is set to NULL in
slip_close(). Meanwhile, the packet we transmit is blocked,
sl_tx_timeout() will be called. Although slip_close() and
sl_tx_timeout() use sl->lock to synchronize, we don`t judge
whether sl->tty equals to NULL in sl_tx_timeout() and the
null pointer dereference bug will happen.
(Thread 1) | (Thread 2)
| slip_close()
| spin_lock_bh(&sl->lock)
| ...
... | sl->tty = NULL //(1)
sl_tx_timeout() | spin_unlock_bh(&sl->lock)
spin_lock(&sl->lock); |
... | ...
tty_chars_in_buffer(sl->tty)|
if (tty->ops->..) //(2) |
... | synchronize_rcu()
We set NULL to sl->tty in position (1) and dereference sl->tty
in position (2).
This patch adds check in sl_tx_timeout(). If sl->tty equals to
NULL, sl_tx_timeout() will goto out.
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20220405132206.55291-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Alexei Starovoitov says:
====================
pull-request: bpf 2022-04-06
We've added 8 non-merge commits during the last 8 day(s) which contain
a total of 9 files changed, 139 insertions(+), 36 deletions(-).
The main changes are:
1) rethook related fixes, from Jiri and Masami.
2) Fix the case when tracing bpf prog is attached to struct_ops, from Martin.
3) Support dual-stack sockets in bpf_tcp_check_syncookie, from Maxim.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets
bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
bpf: selftests: Test fentry tracing a struct_ops program
bpf: Resolve to prog->aux->dst_prog->type only for BPF_PROG_TYPE_EXT
rethook: Fix to use WRITE_ONCE() for rethook:: Handler
selftests/bpf: Fix warning comparing pointer to 0
bpf: Fix sparse warnings in kprobe_multi_resolve_syms
bpftool: Explicit errno handling in skeletons
====================
Link: https://lore.kernel.org/r/20220407031245.73026-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Make the width-mm/height-mm panel properties mandatory
to correctly report the panel dimensions to the OS.
Fixes: 2f3468b82db97 ("dt-bindings: display: add bindings for MIPI DBI compatible SPI panels")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dmitry Osipenko <digetx@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220404192105.12547-1-marex@denx.de
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.18-2022-04-06:
amdgpu:
- VCN 3.0 fixes
- DCN 3.1.5 fix
- Misc display fixes
- GC 10.3 golden register fix
- Suspend fix
- SMU 10 fix
amdkfd:
- Event fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220406170441.5779-1-alexander.deucher@amd.com
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into drm-fixes
drm/imx: error handling and debug output fixes
Catch an EDID allocation failure in imx-ldb, fix a leaked drm display
mode on DT parsing error in parallel-display, properly remove the
dw_hdmi bridge in case the component_add fails in dw_hdmi-imx, and
fix the IPU clock frequency debug printout in ipu-di.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220406155101.1271845-1-p.zabel@pengutronix.de
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
* drm/panel/ili9341: Fix optional regulator handling
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YjwkvPp6UnePy4Q8@linux-uq9g.fritz.box
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-next-5.18-2022-03-25:
amdgpu:
- GFX 10.3.7 fixes
- noretry updates
- VCN fixes
- TMDS fix
- zstate fix for freesync video
- DCN 3.1.5 fix
- Display stack size fix
- Audio fix
- DCN 3.1 pstate fix
- TMZ VCN fix
- APU passthrough fix
- Misc other fixes
amdkfd:
- Error handling fix
- xgmi p2p fix
- HWS VMIDs fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220325183602.5718-1-alexander.deucher@amd.com
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In 1448769c9cdb ("random: check for signal_pending() outside of
need_resched() check"), Jann pointed out that we previously were only
checking the TIF_NOTIFY_SIGNAL and TIF_SIGPENDING flags if the process
had TIF_NEED_RESCHED set, which meant in practice, super long reads to
/dev/[u]random would delay signal handling by a long time. I tried this
using the below program, and indeed I wasn't able to interrupt a
/dev/urandom read until after several megabytes had been read. The bug
he fixed has always been there, and so code that reads from /dev/urandom
without checking the return value of read() has mostly worked for a long
time, for most sizes, not just for <= 256.
Maybe it makes sense to keep that code working. The reason it was so
small prior, ignoring the fact that it didn't work anyway, was likely
because /dev/random used to block, and that could happen for pretty
large lengths of time while entropy was gathered. But now, it's just a
chacha20 call, which is extremely fast and is just operating on pure
data, without having to wait for some external event. In that sense,
/dev/[u]random is a lot more like /dev/zero.
Taking a page out of /dev/zero's read_zero() function, it always returns
at least one chunk, and then checks for signals after each chunk. Chunk
sizes there are of length PAGE_SIZE. Let's just copy the same thing for
/dev/[u]random, and check for signals and cond_resched() for every
PAGE_SIZE amount of data. This makes the behavior more consistent with
expectations, and should mitigate the impact of Jann's fix for the
age-old signal check bug.
---- test program ----
#include <unistd.h>
#include <signal.h>
#include <stdio.h>
#include <sys/random.h>
static unsigned char x[~0U];
static void handle(int) { }
int main(int argc, char *argv[])
{
pid_t pid = getpid(), child;
signal(SIGUSR1, handle);
if (!(child = fork())) {
for (;;)
kill(pid, SIGUSR1);
}
pause();
printf("interrupted after reading %zd bytes\n", getrandom(x, sizeof(x), 0));
kill(child, SIGTERM);
return 0;
}
Cc: Jann Horn <jannh@google.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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OF framebuffers do not have an underlying device in the Linux
device hierarchy. Do a regular unregister call instead of hot
unplugging such a non-existing device. Fixes a NULL dereference.
An example error message on ppc64le is shown below.
BUG: Kernel NULL pointer dereference on read at 0x00000060
Faulting instruction address: 0xc00000000080dfa4
Oops: Kernel access of bad area, sig: 11 [#1]
LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
[...]
CPU: 2 PID: 139 Comm: systemd-udevd Not tainted 5.17.0-ae085d7f9365 #1
NIP: c00000000080dfa4 LR: c00000000080df9c CTR: c000000000797430
REGS: c000000004132fe0 TRAP: 0300 Not tainted (5.17.0-ae085d7f9365)
MSR: 8000000002009033 <SF,VEC,EE,ME,IR,DR,RI,LE> CR: 28228282 XER: 20000000
CFAR: c00000000000c80c DAR: 0000000000000060 DSISR: 40000000 IRQMASK: 0
GPR00: c00000000080df9c c000000004133280 c00000000169d200 0000000000000029
GPR04: 00000000ffffefff c000000004132f90 c000000004132f88 0000000000000000
GPR08: c0000000015658f8 c0000000015cd200 c0000000014f57d0 0000000048228283
GPR12: 0000000000000000 c00000003fffe300 0000000020000000 0000000000000000
GPR16: 0000000000000000 0000000113fc4a40 0000000000000005 0000000113fcfb80
GPR20: 000001000f7283b0 0000000000000000 c000000000e4a588 c000000000e4a5b0
GPR24: 0000000000000001 00000000000a0000 c008000000db0168 c0000000021f6ec0
GPR28: c0000000016d65a8 c000000004b36460 0000000000000000 c0000000016d64b0
NIP [c00000000080dfa4] do_remove_conflicting_framebuffers+0x184/0x1d0
[c000000004133280] [c00000000080df9c] do_remove_conflicting_framebuffers+0x17c/0x1d0 (unreliable)
[c000000004133350] [c00000000080e4d0] remove_conflicting_framebuffers+0x60/0x150
[c0000000041333a0] [c00000000080e6f4] remove_conflicting_pci_framebuffers+0x134/0x1b0
[c000000004133450] [c008000000e70438] drm_aperture_remove_conflicting_pci_framebuffers+0x90/0x100 [drm]
[c000000004133490] [c008000000da0ce4] bochs_pci_probe+0x6c/0xa64 [bochs]
[...]
[c000000004133db0] [c00000000002aaa0] system_call_exception+0x170/0x2d0
[c000000004133e10] [c00000000000c3cc] system_call_common+0xec/0x250
The bug [1] was introduced by commit 27599aacbaef ("fbdev: Hot-unplug
firmware fb devices on forced removal"). Most firmware framebuffers
have an underlying platform device, which can be hot-unplugged
before loading the native graphics driver. OF framebuffers do not
(yet) have that device. Fix the code by unregistering the framebuffer
as before without a hot unplug.
Tested with 5.17 on qemu ppc64le emulation.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 27599aacbaef ("fbdev: Hot-unplug firmware fb devices on forced removal")
Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Cc: Zack Rusin <zackr@vmware.com>
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org # v5.11+
Cc: Helge Deller <deller@gmx.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Zheyu Ma <zheyuma97@gmail.com>
Cc: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Link: https://lore.kernel.org/all/YkHXO6LGHAN0p1pq@debian/ # [1]
Link: https://patchwork.freedesktop.org/patch/msgid/20220404194402.29974-1-tzimmermann@suse.de
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The previous commit fixed support for dual-stack sockets in
bpf_tcp_check_syncookie. This commit adjusts the selftest to verify the
fixed functionality.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Arthur Fabre <afabre@cloudflare.com>
Link: https://lore.kernel.org/bpf/20220406124113.2795730-2-maximmi@nvidia.com
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bpf_tcp_gen_syncookie looks at the IP version in the IP header and
validates the address family of the socket. It supports IPv4 packets in
AF_INET6 dual-stack sockets.
On the other hand, bpf_tcp_check_syncookie looks only at the address
family of the socket, ignoring the real IP version in headers, and
validates only the packet size. This implementation has some drawbacks:
1. Packets are not validated properly, allowing a BPF program to trick
bpf_tcp_check_syncookie into handling an IPv6 packet on an IPv4
socket.
2. Dual-stack sockets fail the checks on IPv4 packets. IPv4 clients end
up receiving a SYNACK with the cookie, but the following ACK gets
dropped.
This patch fixes these issues by changing the checks in
bpf_tcp_check_syncookie to match the ones in bpf_tcp_gen_syncookie. IP
version from the header is taken into account, and it is validated
properly with address family.
Fixes: 399040847084 ("bpf: add helper to check for a valid SYN cookie")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Acked-by: Arthur Fabre <afabre@cloudflare.com>
Link: https://lore.kernel.org/bpf/20220406124113.2795730-1-maximmi@nvidia.com
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|
SMU takes clock limits in Mhz units. socclk and fclk were
using 10 khz units in some cases. Switch to Mhz units.
Fixes higher than required SoC clocks.
Fixes: 97cf32996c46d9 ("drm/amd/pm: Removed fixed clock in auto mode DPM")
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
[Why & How]
Make dcn315 base its clock table off dcfclk rather than fclk.
This change also adds some sanity checking to make sure an
empty pmfw table does not result in invalid dal clocks.
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Fixes crash on MST Hub disconnect.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1849
Fixes: ee2698cf79cc ("drm/amd/display: Changed pipe split policy to allow for multi-display pipe split")
Signed-off-by: Benjamin Marty <info@benjaminmarty.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[Why]
Work around to try to wake unresponsive DP sinks may need to be adjusted
for certain sinks.
[How]
Add options to disable work around or adjust time spent trying to wake
unresponsive DPRX.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Remove assert that will hit during odm transition case,
since this is a valid case.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Seems to cause a reboots or hangs on some systems.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1924
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1953
Fixes: daf8de0874ab5b ("drm/amdgpu: always reset the asic in suspend (v2)")
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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[Why]
Below general protection fault observed when WebGL Aquarium is run for
longer duration. If drm debug logs are enabled and set to 0x1f then the
issue is observed within 10 minutes of run.
[ 100.717056] general protection fault, probably for non-canonical address 0x2d33302d32323032: 0000 [#1] PREEMPT SMP NOPTI
[ 100.727921] CPU: 3 PID: 1906 Comm: DrmThread Tainted: G W 5.15.30 #12 d726c6a2d6ebe5cf9223931cbca6892f916fe18b
[ 100.754419] RIP: 0010:CalculateSwathWidth+0x1f7/0x44f
[ 100.767109] Code: 00 00 00 f2 42 0f 11 04 f0 48 8b 85 88 00 00 00 f2 42 0f 10 04 f0 48 8b 85 98 00 00 00 f2 42 0f 11 04 f0 48 8b 45 10 0f 57 c0 <f3> 42 0f 2a 04 b0 0f 57 c9 f3 43 0f 2a 0c b4 e8 8c e2 f3 ff 48 8b
[ 100.781269] RSP: 0018:ffffa9230079eeb0 EFLAGS: 00010246
[ 100.812528] RAX: 2d33302d32323032 RBX: 0000000000000500 RCX: 0000000000000000
[ 100.819656] RDX: 0000000000000001 RSI: ffff99deb712c49c RDI: 0000000000000000
[ 100.826781] RBP: ffffa9230079ef50 R08: ffff99deb712460c R09: ffff99deb712462c
[ 100.833907] R10: ffff99deb7124940 R11: ffff99deb7124d70 R12: ffff99deb712ae44
[ 100.841033] R13: 0000000000000001 R14: 0000000000000000 R15: ffffa9230079f0a0
[ 100.848159] FS: 00007af121212640(0000) GS:ffff99deba780000(0000) knlGS:0000000000000000
[ 100.856240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.861980] CR2: 0000209000fe1000 CR3: 000000011b18c000 CR4: 0000000000350ee0
[ 100.869106] Call Trace:
[ 100.871555] <TASK>
[ 100.873655] ? asm_sysvec_reschedule_ipi+0x12/0x20
[ 100.878449] CalculateSwathAndDETConfiguration+0x1a3/0x6dd
[ 100.883937] dml31_ModeSupportAndSystemConfigurationFull+0x2ce4/0x76da
[ 100.890467] ? kallsyms_lookup_buildid+0xc8/0x163
[ 100.895173] ? kallsyms_lookup_buildid+0xc8/0x163
[ 100.899874] ? __sprint_symbol+0x80/0x135
[ 100.903883] ? dm_update_plane_state+0x3f9/0x4d2
[ 100.908500] ? symbol_string+0xb7/0xde
[ 100.912250] ? number+0x145/0x29b
[ 100.915566] ? vsnprintf+0x341/0x5ff
[ 100.919141] ? desc_read_finalized_seq+0x39/0x87
[ 100.923755] ? update_load_avg+0x1b9/0x607
[ 100.927849] ? compute_mst_dsc_configs_for_state+0x7d/0xd5b
[ 100.933416] ? fetch_pipe_params+0xa4d/0xd0c
[ 100.937686] ? dc_fpu_end+0x3d/0xa8
[ 100.941175] dml_get_voltage_level+0x16b/0x180
[ 100.945619] dcn30_internal_validate_bw+0x10e/0x89b
[ 100.950495] ? dcn31_validate_bandwidth+0x68/0x1fc
[ 100.955285] ? resource_build_scaling_params+0x98b/0xb8c
[ 100.960595] ? dcn31_validate_bandwidth+0x68/0x1fc
[ 100.965384] dcn31_validate_bandwidth+0x9a/0x1fc
[ 100.970001] dc_validate_global_state+0x238/0x295
[ 100.974703] amdgpu_dm_atomic_check+0x9c1/0xbce
[ 100.979235] ? _printk+0x59/0x73
[ 100.982467] drm_atomic_check_only+0x403/0x78b
[ 100.986912] drm_mode_atomic_ioctl+0x49b/0x546
[ 100.991358] ? drm_ioctl+0x1c1/0x3b3
[ 100.994936] ? drm_atomic_set_property+0x92a/0x92a
[ 100.999725] drm_ioctl_kernel+0xdc/0x149
[ 101.003648] drm_ioctl+0x27f/0x3b3
[ 101.007051] ? drm_atomic_set_property+0x92a/0x92a
[ 101.011842] amdgpu_drm_ioctl+0x49/0x7d
[ 101.015679] __se_sys_ioctl+0x7c/0xb8
[ 101.015685] do_syscall_64+0x5f/0xb8
[ 101.015690] ? __irq_exit_rcu+0x34/0x96
[How]
It calles populate_dml_pipes which uses doubles to initialize.
Adding FPU protection avoids context switch and probable loss of vba context
as there is potential contention while drm debug logs are enabled.
Signed-off-by: CHANDAN VURDIGERE NATARAJ <chandan.vurdigerenataraj@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
This ensures userspace cannot prematurely clean-up the client before
it is fully initialised which has been proven to cause issues in the
past.
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
Sync up header and implementation to use the same parameter names
in function amdgpu_ring_init.
ring_size -> max_dw, prio -> hw_prio
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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|
gfx10.3.3/gfx10.3.6/gfx10.3.7 shall use 0x1580 address for GCR_GENERAL_CNTL
Acked-by: Prike Liang <Prike.Liang@amd.com>
Acked-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Signed-off-by: Ruili Ji <ruiliji2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
|
|
[Why]
comparing pwm bl values (coverted) with user brightness(converted)
levels in commit_tail leads to continuous setting of backlight via dmub
as they don't to match.
This leads overdrive in queuing of commands to DMCU that sometimes lead
to depending on load on DMCU fw:
"[drm:dc_dmub_srv_wait_idle] *ERROR* Error waiting for DMUB idle: status=3"
[How]
Store last successfully set backlight value and compare with it instead
of pwm reads which is not what we should compare with.
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
[Why]
On resume we do link detection for all non-MST connectors.
MST is handled separately. However the condition for telling
if connector is on mst branch is not enough for mst hub case.
Link detection for mst branch link leads to mst topology reset.
That causes assert in dc_link_allocate_mst_payload()
[How]
Use link type as indicator for mst link.
Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
why and how:
causes failure on install on certain machines
Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Martin Leung <Martin.Leung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[Why]
When waking from low-power states, a DP sink may remain unresponsive to
AUX transactions.
[How]
Try to toggle DPCD SET_POWER register repeatedly (up to a maximum
timeout value) until DP sink becomes responsive.
Reviewed-by: Mustapha Ghaddar <Mustapha.Ghaddar@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[why]
when disable optc, need to clear the underflow status as well.
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[Why]
In init_hw() we call init_pipes() before enabling power gating.
init_pipes() tries to power gate dsc but it may fail because
required force-ons are not released yet.
As a result with dsc config the following errors observed on resume:
"REG_WAIT timeout 1us * 1000 tries - dcn20_dsc_pg_control"
"REG_WAIT timeout 1us * 1000 tries - dcn20_dpp_pg_control"
"REG_WAIT timeout 1us * 1000 tries - dcn20_hubp_pg_control"
[How]
Move enable_power_gating_plane() before init_pipes() in init_hw()
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Eric Yang <Eric.Yang2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[Why]
DSC Power down code has been moved from dcn31_init_hw into init_pipes()
Need to remove it from dcn10_init_hw() as well to avoid duplicated action
on dcn1.x/2.x
[How]
Remove DSC power down code from dcn10_init_hw()
Fixes: 8fa6f4c5715c ("drm/amd/display: fixed the DSC power off sequence during Driver PnP")
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Eric Yang <Eric.Yang2@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
[Why]
Once DSC slice cannot fit pixel clock, we incorrectly
reset min slices to 0 and allow max slice to operate,
even when max slice itself cannot fit the pixel clock
properly.
[How]
Change the sequence such that we correctly determine
DSC is not possible when both min slices and max
slices cannot fit pixel clock per slice.
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Chris Park <Chris.Park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Some video card has more than one vcn instance, passing 0 to
vcn_v3_0_pause_dpg_mode is incorrect.
Error msg:
Register(1) [mmUVD_POWER_STATUS] failed to reach value
0x00000001 != 0x00000002
Reviewed-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: tiancyin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
|
|
For VCN FW to detect ASIC type, in order to use different mailbox registers.
V2: simplify codes and fix format issue.
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Acked-by Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
All remaining skbs should be released when myri10ge_xmit fails to
transmit a packet. Fix it within another skb_list_walk_safe.
Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
aqc111_rx_fixup() contains several out-of-bounds accesses that can be
triggered by a malicious (or defective) USB device, in particular:
- The metadata array (desc_offset..desc_offset+2*pkt_count) can be out of bounds,
causing OOB reads and (on big-endian systems) OOB endianness flips.
- A packet can overlap the metadata array, causing a later OOB
endianness flip to corrupt data used by a cloned SKB that has already
been handed off into the network stack.
- A packet SKB can be constructed whose tail is far beyond its end,
causing out-of-bounds heap data to be considered part of the SKB's
data.
Found doing variant analysis. Tested it with another driver (ax88179_178a), since
I don't have a aqc111 device to test it, but the code looks very similar.
Signed-off-by: Marcin Kozlowski <marcinguy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
qede_build_skb() assumes build_skb() always works and goes straight
to skb_reserve(). However, build_skb() can fail under memory pressure.
This results in a kernel panic because the skb to reserve is NULL.
Add a check in case build_skb() failed to allocate and return NULL.
The NULL return is handled correctly in callers to qede_build_skb().
Fixes: 8a8633978b842 ("qede: Add build_skb() support.")
Signed-off-by: Jamie Bainbridge <jamie.bainbridge@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
net/ipv6/ip6mr.c:1656:14: warning: unused variable 'do_wrmifwhole'
Move it to the CONFIG_IPV6_PIMSM_V2 scope where its used.
Fixes: 4b340a5a726d ("net: ip6mr: add support for passing full packet on wrong mif")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-04-05
Maciej Fijalkowski says:
We were solving issues around AF_XDP busy poll's not-so-usual scenarios,
such as very big busy poll budgets applied to very small HW rings. This
set carries the things that were found during that work that apply to
net tree.
One thing that was fixed for all in-tree ZC drivers was missing on ice
side all the time - it's about syncing RCU before destroying XDP
resources. Next one fixes the bit that is checked in ice_xsk_wakeup and
third one avoids false setting of DD bits on Tx descriptors.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Following the recommendation in Documentation/memory-barriers.txt for
virtual machine guests.
Fixes: 8b6a877c060ed ("Drivers: hv: vmbus: Replace the per-CPU channel lists with a global array of channels")
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Link: https://lore.kernel.org/r/20220328154457.100872-1-parri.andrea@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
|
|
Currently there are known potential issues for balloon and hot-add on
ARM64:
* Unballoon requests from Hyper-V should only unballoon ranges
that are guest page size aligned, otherwise guests cannot handle
because it's impossible to partially free a page. This is a
problem when guest page size > 4096 bytes.
* Memory hot-add requests from Hyper-V should provide the NUMA
node id of the added ranges or ARM64 should have a functional
memory_add_physaddr_to_nid(), otherwise the node id is missing
for add_memory().
These issues require discussions on design and implementation. In the
meanwhile, post_status() is working and essential to guest monitoring.
Therefore instead of disabling the entire hv_balloon driver, the
ballooning (when page size > 4096 bytes) and hot-add are disabled
accordingly for now. Once the issues are fixed, they can be re-enable in
these cases.
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20220325023212.1570049-3-boqun.feng@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
|
|
DM_STATUS_REPORT expects the numbers of pages in the unit of 4k pages
(HV_HYP_PAGE) instead of guest pages, so to make it work when guest page
sizes are larger than 4k, convert the numbers of guest pages into the
numbers of HV_HYP_PAGEs.
Note that the numbers of guest pages are still used for tracing because
tracing is internal to the guest kernel.
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20220325023212.1570049-2-boqun.feng@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
|
|
signal_pending() checks TIF_NOTIFY_SIGNAL and TIF_SIGPENDING, which
signal that the task should bail out of the syscall when possible. This
is a separate concept from need_resched(), which checks
TIF_NEED_RESCHED, signaling that the task should preempt.
In particular, with the current code, the signal_pending() bailout
probably won't work reliably.
Change this to look like other functions that read lots of data, such as
read_zero().
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
|
|
The fast key erasure RNG design relies on the key that's used to be used
and then discarded. We do this, making judicious use of
memzero_explicit(). However, reads to /dev/urandom and calls to
getrandom() involve a copy_to_user(), and userspace can use FUSE or
userfaultfd, or make a massive call, dynamically remap memory addresses
as it goes, and set the process priority to idle, in order to keep a
kernel stack alive indefinitely. By probing
/proc/sys/kernel/random/entropy_avail to learn when the crng key is
refreshed, a malicious userspace could mount this attack every 5 minutes
thereafter, breaking the crng's forward secrecy.
In order to fix this, we just overwrite the stack's key with the first
32 bytes of the "free" fast key erasure output. If we're returning <= 32
bytes to the user, then we can still return those bytes directly, so
that short reads don't become slower. And for long reads, the difference
is hopefully lost in the amortization, so it doesn't change much, with
that amortization helping variously for medium reads.
We don't need to do this for get_random_bytes() and the various
kernel-space callers, and later, if we ever switch to always batching,
this won't be necessary either, so there's no need to change the API of
these functions.
Cc: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jann Horn <jannh@google.com>
Fixes: c92e040d575a ("random: add backtracking protection to the CRNG")
Fixes: 186873c549df ("random: use simpler fast key erasure flow on per-cpu keys")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
|
|
The driver doesn't support clause 45 register access yet, but doesn't
check if the access is a c45 one either. This leads to spurious register
reads and writes. Add the check.
Fixes: 542671fe4d86 ("net: phy: mscc-miim: Add MDIO driver")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
