diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2018-05-18 18:27:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-17 11:37:54 +0200 |
| commit | 377fb3d894d61421dadafd2cc9c4a5765d0ea241 (patch) | |
| tree | f38687529c3aadf614afe254fc75b63fb622487e /arch/unicore32 | |
| parent | 062c4965a1e66361f3840fe8234871500af3549e (diff) | |
uprobes/x86: Remove incorrect WARN_ON() in uprobe_init_insn()
commit 90718e32e1dcc2479acfa208ccfc6442850b594c upstream.
insn_get_length() has the side-effect of processing the entire instruction
but only if it was decoded successfully, otherwise insn_complete() can fail
and in this case we need to just return an error without warning.
Reported-by: syzbot+30d675e3ca03c1c351e7@syzkaller.appspotmail.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: syzkaller-bugs@googlegroups.com
Link: https://lkml.kernel.org/lkml/20180518162739.GA5559@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/unicore32')
0 files changed, 0 insertions, 0 deletions