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| author | Andy Lutomirski <luto@kernel.org> | 2019-04-14 18:59:39 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-04-17 13:26:50 +0300 |
| commit | fa33215422fd415a07ec2a00e9f1acdaf0fa8e94 (patch) | |
| tree | 253c63fbef954c557fb8cf6eb445b02410cac5b4 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 7dbcf2b0b770eeb803a416ee8dcbef78e6389d40 (diff) | |
| download | linux-fa33215422fd415a07ec2a00e9f1acdaf0fa8e94.tar.xz | |
x86/dumpstack: Fix off-by-one errors in stack identification
The get_stack_info() function is off-by-one when checking whether an
address is on a IRQ stack or a IST stack. This prevents an overflowed
IRQ or IST stack from being dumped properly.
[ tglx: Do the same for 32-bit ]
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190414160143.785651055@linutronix.de
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions