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| author | Al Viro <viro@zeniv.linux.org.uk> | 2019-03-26 01:43:37 +0000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-04-01 00:31:02 -0400 |
| commit | 93b919da64c15b90953f96a536e5e61df896ca57 (patch) | |
| tree | 61aa43c048da6f2f480bd999cd9835cf3ef47d9d /security | |
| parent | 0cdc17ebd2072b6cdd3ec3695ea7ede745664a8b (diff) | |
| download | linux-93b919da64c15b90953f96a536e5e61df896ca57.tar.bz2 | |
debugfs: fix use-after-free on symlink traversal
symlink body shouldn't be freed without an RCU delay. Switch debugfs to
->destroy_inode() and use of call_rcu(); free both the inode and symlink
body in the callback. Similar to solution for bpf, only here it's even
more obvious that ->evict_inode() can be dropped.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions