MIPS: ptrace: Fix syscall skipping via PTRACE_SYSCALL

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If tracer wanted to skip a syscall return value was always
overwritten with -ENOSYS. Fix this by checking against original
syscall number and only return -ENOSYS, if it is negative.

Fixes: b6318a903d ("MIPS/ptrace: Pick up ptrace/seccomp changed syscalls")
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

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Thomas Bogendoerfer 2026-07-17 13:27:31 +02:00

parent 09fbaddec8

commit 5475c03fa2

1 changed files with 5 additions and 1 deletions

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arch/mips/kernel/ptrace.c

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