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authorEric Paris <eparis@redhat.com>2012-01-03 14:23:06 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-17 16:16:56 -0500
commitf031cd25568a390dc2c9c3a4015054183753449a (patch)
treeb837ca821ea5138af2f80400afb2175fa68763f2 /arch/sparc
parentd7e7528bcd456f5c36ad4a202ccfb43c5aa98bc4 (diff)
downloadlinux-f031cd25568a390dc2c9c3a4015054183753449a.tar.bz2
audit: ia32entry.S sign extend error codes when calling 64 bit code
In the ia32entry syscall exit audit fastpath we have assembly code which calls __audit_syscall_exit directly. This code was, however, zeroes the upper 32 bits of the return code. It then proceeded to call code which expects longs to be 64bits long. In order to handle code which expects longs to be 64bit we sign extend the return code if that code is an error. Thus the __audit_syscall_exit function can correctly handle using the values in snprintf("%ld"). This fixes the regression introduced in 5cbf1565f29eb57a86a. Old record: type=SYSCALL msg=audit(1306197182.256:281): arch=40000003 syscall=192 success=no exit=4294967283 New record: type=SYSCALL msg=audit(1306197182.256:281): arch=40000003 syscall=192 success=no exit=-13 Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/sparc')
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