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| /openbmc/linux/fs/proc/ |
| H A D | base.c | 76518d37 Fri Mar 20 15:27:41 CDT 2020 Bernd Edlinger <bernd.edlinger@hotmail.de> proc: io_accounting: Use new infrastructure to fix deadlocks in execve
This changes do_io_accounting to use the new exec_update_mutex
instead of cred_guard_mutex.
This fixes possible deadlocks when the trace is accessing
/proc/$pid/io for instance.
This should be safe, as the credentials are only used for reading.
Signed-off-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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