diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-11-06 11:52:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-18 19:20:30 +0100 |
| commit | 2192d905df0d540f6f3240046bcb06c53bcf5016 (patch) | |
| tree | ac29bbce10ddda21c17888e649a9d25904aae8df /fs/jbd2 | |
| parent | 761fb6829238d98117601b3fab40f777fea2455d (diff) | |
futex: Don't enable IRQs unconditionally in put_pi_state()
commit 1e106aa3509b86738769775969822ffc1ec21bf4 upstream.
The exit_pi_state_list() function calls put_pi_state() with IRQs disabled
and is not expecting that IRQs will be enabled inside the function.
Use the _irqsave() variant so that IRQs are restored to the original state
instead of being enabled unconditionally.
Fixes: 153fbd1226fb ("futex: Fix more put_pi_state() vs. exit_pi_state_list() races")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20201106085205.GA1159983@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/jbd2')
0 files changed, 0 insertions, 0 deletions