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sched/signal: exit sig action when tcb group is null 

nxsig_action will use tcb group when group release,
so check tcb group when do sig action.

[ap] dump_assert_info: Assertion failed : at file: signal/sig_action.c:205 task: ofonod process: Kernel 0xec89d5
[ap] sched_dumpstack: backtrace:
[ap] sched_dumpstack: [29] [<0x66e2e2>] backtrace_unwind+0x105/0x108
[ap] sched_dumpstack: [29] [<0x660272>] sched_backtrace+0x41/0x48
[ap] sched_dumpstack: [29] [<0x61c4dc>] sched_dumpstack+0x33/0x80
[ap] sched_dumpstack: [29] [<0x6023e4>] _assert+0x19b/0x39c
[ap] sched_dumpstack: [29] [<0x61b7e4>] __assert+0x7/0x10
[ap] sched_dumpstack: [29] [<0x6071a2>] nxsig_action+0x119/0x248
[ap] sched_dumpstack: [29] [<0x6072d8>] sigaction+0x7/0x24
[ap] sched_dumpstack: [29] [<0x66a072>] signal+0x4d/0x80
[ap] sched_dumpstack: [29] [<0x100fd36>] signalfd_file_close+0x35/0x60
[ap] sched_dumpstack: [29] [<0x64a7d8>] file_close+0x1b/0x44
[ap] sched_dumpstack: [29] [<0x649ac0>] files_putlist+0x2b/0x70
[ap] sched_dumpstack: [29] [<0x60491a>] group_leave+0x99/0xe4
[ap] sched_dumpstack: [29] [<0x605df8>] nxtask_exithook+0x4f/0xf4
[ap] sched_dumpstack: [29] [<0x603ca0>] _exit+0x33/0x3c
[ap] sched_dumpstack: [29] [<0x61ecf0>] abort+0x7/0xc

Signed-off-by: zhangyuan29 <zhangyuan29@xiaomi.com>
This commit is contained in:
zhangyuan29 2024-10-10 20:13:46 +08:00 committed by GUIDINGLI
parent 4c1c05164a
commit ed8007ac40
1 changed files with 9 additions and 1 deletions
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10
sched/signal/sig_action.c
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@ -238,9 +238,17 @@ int nxsig_action(int signo, FAR const struct sigaction *act,
* execution, no special precautions should be necessary. * execution, no special precautions should be necessary.
*/ */
DEBUGASSERT(rtcb != NULL && rtcb->group != NULL); DEBUGASSERT(rtcb != NULL);
group = rtcb->group; group = rtcb->group;
/* If the value of group is null, the task may have exited */
if (group == NULL)
{
return -EINVAL;
}
/* Verify the signal number */ /* Verify the signal number */
if (!GOOD_SIGNO(signo)) if (!GOOD_SIGNO(signo))