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linux-user: fix pidfd_send_signal()

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According to pidfd_send_signal(2), info argument can be a NULL pointer.
Fix strace to correctly manage ending comma in parameters.

Fixes: cc054c6f13 ("linux-user: Add pidfd_open(), pidfd_send_signal() and pidfd_getfd() syscalls")
cc: Helge Deller <deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Helge Deller <deller@gmx.de>
Message-Id: <20221005163826.1455313-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Laurent Vivier
2022-10-05 18:38:26 +02:00
parent eeed22916b
commit 46187d707e
2 changed files with 14 additions and 9 deletions
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4
linux-user/strace.c
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@@ -3383,10 +3383,10 @@ print_pidfd_send_signal(CPUArchState *cpu_env, const struct syscallname *name,
unlock_user(p, arg2, 0);
} else {
print_pointer(arg2, 1);
print_pointer(arg2, 0);
}
print_raw_param("%u", arg3, 0);
print_raw_param("%u", arg3, 1);
print_syscall_epilogue(name);
}
#endif