| commit | 408c3658b0d49315974ce8b5aed385c8e1527595 | |
| author | Konstantin Khlebnikov <k.khlebnikov@samsung.com> | |
| Thu, 5 Dec 2013 13:30:10 +0000 (5 13:30 +0000) | ||
| committer | Catalin Marinas <catalin.marinas@arm.com> | |
| Thu, 19 Dec 2013 17:43:09 +0000 (19 17:43 +0000) | ||
| tree | fea73a527507df8c35ba1a2c0542a61dab4349e9 | treesnapshot (tar.gz zip) |
| parent | 50afc33a90e710c02d9bbf2f3673936365f0e690 | commitdiff |
ARM64: check stack pointer in get_wchan
get_wchan() is lockless. Task may wakeup at any time and change its own stack,
thus each next stack frame may be overwritten and filled with random stuff.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
get_wchan() is lockless. Task may wakeup at any time and change its own stack,
thus each next stack frame may be overwritten and filled with random stuff.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| arch/arm64/kernel/process.c | diffblobblamehistory |