diff options
| author | Andy Lutomirski <luto@amacapital.net> | 2014-11-24 17:39:06 -0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2015-01-29 15:45:08 +0100 |
| commit | c625e1fc90bd87b2007d85c5745f0654aeb215b8 (patch) | |
| tree | 18392093b802bc5e449de8407a3634d3606feb4d /drivers | |
| parent | b220db38cb01be84b290293e5ca850a9bcd54ff9 (diff) | |
x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs
commit 7ddc6a2199f1da405a2fb68c40db8899b1a8cd87 upstream.
These functions can be executed on the int3 stack, so kprobes
are dangerous. Tracing is probably a bad idea, too.
Fixes: b645af2d5905 ("x86_64, traps: Rework bad_iret")
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/50e33d26adca60816f3ba968875801652507d0c4.1416870125.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[bwh: Backported to 3.10:
- Use __kprobes instead of NOKPROBE_SYMBOL()
- Adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions