A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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android_kernel_motorola_sm6375/security/yama
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Filename Latest commit message Latest commit date
Kees Cook 7612bfeecc Yama: access task_struct->comm directly 
The core ptrace access checking routine holds a task lock, and when
reporting a failure, Yama takes a separate task lock. To avoid a
potential deadlock with two ptracers taking the opposite locks, do not
use get_task_comm() and just use ->comm directly since accuracy is not
important for the report.

Reported-by: Fengguang Wu <[email protected]>
Suggested-by: Oleg Nesterov <[email protected]>
CC: [email protected]
Signed-off-by: Kees Cook <[email protected]>
Acked-by: John Johansen <[email protected]>
Signed-off-by: James Morris <[email protected]>
2012-08-17 20:40:38 +10:00
..
Kconfig
Makefile
yama_lsm.c Yama: access task_struct->comm directly 2012-08-17 20:40:38 +10:00