While working on changing this code to use force_sig_fault I
discovered that do_unaliged_user is sets si_signo to SIGBUS and passes
SIGSEGV to force_sig_info. Which is just b0rked.
The code is reporting a SIGBUS error so replace the SIGSEGV with SIGBUS.
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
Cc: linux-xtensa@xxxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 5a0015d62668 ("[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3")
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
arch/xtensa/kernel/traps.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 51771929f341..90b509f65b6f 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -339,7 +339,7 @@ do_unaligned_user (struct pt_regs *regs)
info.si_errno = 0;
info.si_code = BUS_ADRALN;
info.si_addr = (void *) regs->excvaddr;
- force_sig_info(SIGSEGV, &info, current);
+ force_sig_info(SIGBUS, &info, current);
}
#endif
--
2.14.1