https://github.com/torvalds/linux
Revision 98af37d624ed8c83f1953b1b6b2f6866011fc064 authored by Zhenliang Wei on 01 June 2019, 05:30:52 UTC, committed by Linus Torvalds on 01 June 2019, 22:51:32 UTC
In the fixes commit, removing SIGKILL from each thread signal mask and
executing "goto fatal" directly will skip the call to
"trace_signal_deliver". At this point, the delivery tracking of the
SIGKILL signal will be inaccurate.
Therefore, we need to add trace_signal_deliver before "goto fatal" after
executing sigdelset.
Note: SEND_SIG_NOINFO matches the fact that SIGKILL doesn't have any info.
Link: http://lkml.kernel.org/r/20190425025812.91424-1-weizhenliang@huawei.com
Fixes: cf43a757fd4944 ("signal: Restore the stop PTRACE_EVENT_EXIT")
Signed-off-by: Zhenliang Wei <weizhenliang@huawei.com>
Reviewed-by: Christian Brauner <christian@brauner.io>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Ivan Delalande <colona@arista.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent d3ed71e
Tip revision: 98af37d624ed8c83f1953b1b6b2f6866011fc064 authored by Zhenliang Wei on 01 June 2019, 05:30:52 UTC
kernel/signal.c: trace_signal_deliver when signal_group_exit
kernel/signal.c: trace_signal_deliver when signal_group_exit
Tip revision: 98af37d
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| README | -rw-r--r-- | 727 bytes |
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