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Andrea Arcangeli 4c7fc7220f [PATCH] i386: seccomp fix for auditing/ptrace ... This is the same issue as ppc64 before, when returning to userland we shouldn't re-compute the seccomp check or the task could be killed during sigreturn when orig_eax is overwritten by the sigreturn syscall. This was found by Roland. This was harmless from a security standpoint, but some i686 users reported failures with auditing enabled system wide (some distro surprisingly makes it the default) and I reproduced it too by keeping the whole workload under strace -f. Patch is tested and works for me under strace -f. nobody@athlon:~/cpushare> strace -o /tmp/o -f python seccomp_test.py make: Nothing to be done for `seccomp_test'. Starting computing some malicious bytecode init load start stop receive_data failure kill exit_code 0 signal 9 The malicious bytecode has been killed successfully by seccomp Starting computing some safe bytecode init load start stop 174 counts kill exit_code 0 signal 0 The seccomp_test.py completed successfully, thank you for testing. (akpm: collaterally cleaned up a bit of do_syscall_trace() too) Signed-off-by: Andrea Arcangeli <andrea@cpushare.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		20 years ago
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boot	…
crypto	…
kernel	[PATCH] i386: seccomp fix for auditing/ptrace	20 years ago
lib	…
mach-default	…
mach-es7000	Merge linux-2.6 with linux-acpi-2.6	20 years ago
mach-generic	…
mach-visws	…
mach-voyager	…
math-emu	…
mm	…
oprofile	…
pci	[PATCH] arch/386/pci: remap_pfn_range -> io_remap_pfn_range	20 years ago
power	…
Kconfig	Merge linux-2.6 with linux-acpi-2.6	20 years ago
Kconfig.debug	…
Makefile	…
defconfig	…