Re: [LTP] [PATCH] waitpid01: Test all standard deadly signals

Petr Vorel
2024-02-05T18:13:28Z

> Hi Martin,

> first this change (merged as ed5ccf6c1 ("waitpid01: Test all standard deadly
> signals") is failing on 6.6 on Debian:

> ed5ccf6c1 ("waitpid01: Test all standard deadly signals")

> waitpid01.c:88: TINFO: Testing child: raise(sig)
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236064
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGIOT/SIGABRT
> waitpid01.c:143: TPASS: Child dumped core as expected
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236071
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGALRM
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236072
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGBUS
> waitpid01.c:143: TPASS: Child dumped core as expected
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236082
> waitpid01.c:113: TFAIL: WIFSIGNALED() not set in status (exited with 0)
=> FYI it's SIGFPE (it would help readability to either print tst_strsig(sig)
for each failure or as TINFO before testing).

I tested other Debian (5.10 and 6.1) and they work, I wonder what is the
problem.

Kind regards,
Petr

> ...
> waitpid01.c:88: TINFO: Testing child: kill(getpid(), sig)
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236165
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGIOT/SIGABRT
> waitpid01.c:143: TPASS: Child dumped core as expected
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236176
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGALRM
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236177
> waitpid01.c:118: TPASS: WIFSIGNALED() set in status
> waitpid01.c:126: TPASS: WTERMSIG() == SIGBUS
> waitpid01.c:143: TPASS: Child dumped core as expected
> waitpid01.c:109: TPASS: waitpid() returned correct pid 236187
> waitpid01.c:113: TFAIL: WIFSIGNALED() not set in status (exited with 0)
> ...

> But it works on 6.8.0-rc1-2.gf4ba5db-default Tumbleweed, which I tested it
> before.

> Also patch does not apply. I had to patch waitpid01 myself, hopefully I did that
> correctly [1].

> Kind regards,
> Petr

> [1] https://github.com/pevik/ltp/blob/mdoucha/waitpid05/testcases/kernel/syscalls/waitpid/waitpid01.c