diff options
Diffstat (limited to 'results/classifier/zero-shot-user-mode/instruction/1429313')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/instruction/1429313 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/instruction/1429313 b/results/classifier/zero-shot-user-mode/instruction/1429313 new file mode 100644 index 00000000..092aafc7 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/instruction/1429313 @@ -0,0 +1,15 @@ +instruction: 0.525 +runtime: 0.314 +syscall: 0.161 + + + +qemu-user doesn't block target signals on entry to signal hanlder. + +Upon entry to a target signal handler the function process_pending_signals in linux-user/signal.c block the appropriate host signals, but signals already received and queued by Qemu are not blocked. If multiple signals arrive in quick succession this results incorrect recursion in the target signal handler. + +The attached test case my be run as: + +$ (sleep 2 ; echo) | qemu-i386 ./a.out +.................. Recursion in signal handler! +qemu: uncaught target signal 6 (Aborted) - core dumped \ No newline at end of file |