diff options
| author | Rich Felker <dalias@libc.org> | 2018-03-16 01:01:36 +0100 |
|---|---|---|
| committer | Rich Felker <dalias@libc.org> | 2018-04-13 01:47:52 +0200 |
| commit | 96a598996f6ac518ac79839ecbb17c91af91f4f7 (patch) | |
| tree | e98fa02d3b025abe1a3bd55d804a64e4259bcdf5 /arch | |
| parent | sh: fix memory corruption of unflattened device tree (diff) | |
| download | linux-96a598996f6ac518ac79839ecbb17c91af91f4f7.tar.xz linux-96a598996f6ac518ac79839ecbb17c91af91f4f7.zip | |
sh: fix debug trap failure to process signals before return to user
When responding to a debug trap (breakpoint) in userspace, the
kernel's trap handler raised SIGTRAP but returned from the trap via a
code path that ignored pending signals, resulting in an infinite loop
re-executing the trapping instruction.
Signed-off-by: Rich Felker <dalias@libc.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/entry-common.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index c001f782c5f1..28cc61216b64 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -255,7 +255,7 @@ debug_trap: mov.l @r8, r8 jsr @r8 nop - bra __restore_all + bra ret_from_exception nop CFI_ENDPROC |