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| author | Eric W. Biederman <ebiederm@xmission.com> | 2018-09-22 10:52:41 +0200 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-09-27 21:55:15 +0200 |
| commit | f3a900b34101bb8df10b83f326b3af796c101a05 (patch) | |
| tree | 6186e2ab08d3feb1d77af99458cbeada475ceab8 /arch/arm64 | |
| parent | signal/arm64: In ptrace_hbptriggered name the signal description string (diff) | |
| download | linux-f3a900b34101bb8df10b83f326b3af796c101a05.tar.xz linux-f3a900b34101bb8df10b83f326b3af796c101a05.zip | |
signal/arm64: Add and use arm64_force_sig_ptrace_errno_trap
Add arm64_force_sig_ptrace_errno_trap for consistency with
arm64_force_sig_fault and use it where appropriate.
This adds the show_signal logic to the force_sig_errno_trap case,
where it was apparently overlooked earlier.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/traps.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/ptrace.c | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/traps.c | 7 |
3 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h index d32b8bd440af..f9c1aa6167d2 100644 --- a/arch/arm64/include/asm/traps.h +++ b/arch/arm64/include/asm/traps.h @@ -39,6 +39,7 @@ void force_signal_inject(int signal, int code, unsigned long address); void arm64_notify_segfault(unsigned long addr); void arm64_force_sig_fault(int signo, int code, void __user *addr, const char *str); void arm64_force_sig_mceerr(int code, void __user *addr, short lsb, const char *str); +void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr, const char *str); /* * Move regs->pc to next instruction and do necessary setup before it diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 921267f59d0d..1710a2d01669 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -202,7 +202,9 @@ static void ptrace_hbptriggered(struct perf_event *bp, break; } } - force_sig_ptrace_errno_trap(si_errno, (void __user *)bkpt->trigger); + arm64_force_sig_ptrace_errno_trap(si_errno, + (void __user *)bkpt->trigger, + desc); } #endif arm64_force_sig_fault(SIGTRAP, TRAP_HWBKPT, diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index de67818258cd..856b32aa03d8 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -262,6 +262,13 @@ void arm64_force_sig_mceerr(int code, void __user *addr, short lsb, force_sig_mceerr(code, addr, lsb, current); } +void arm64_force_sig_ptrace_errno_trap(int errno, void __user *addr, + const char *str) +{ + arm64_show_signal(SIGTRAP, str); + force_sig_ptrace_errno_trap(errno, addr); +} + void arm64_notify_die(const char *str, struct pt_regs *regs, int signo, int sicode, void __user *addr, int err) |