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| author | Andy Lutomirski <[email protected]> | 2016-09-16 05:45:46 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-09-16 07:18:53 +0000 |
| commit | 74327a3e884a0ff895ba7b51d3488e6a177407b2 (patch) | |
| tree | 9efa0dedd51c86d132d29b869a119e69b7ab76cb /lib/syscall.c | |
| parent | x86/dumpstack: Pin the target stack when dumping it (diff) | |
| download | kernel-74327a3e884a0ff895ba7b51d3488e6a177407b2.tar.gz kernel-74327a3e884a0ff895ba7b51d3488e6a177407b2.zip | |
x86/process: Pin the target stack in get_wchan()
This will prevent a crash if get_wchan() runs after the task stack
is freed.
Signed-off-by: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Jann Horn <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/337aeca8614024aa4d8d9c81053bbf8fcffbe4ad.1474003868.git.luto@kernel.org
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'lib/syscall.c')
0 files changed, 0 insertions, 0 deletions