diff options
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/manual-review/1673130')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/manual-review/1673130 | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/manual-review/1673130 b/results/classifier/deepseek-2-tmp/output/manual-review/1673130 deleted file mode 100644 index 1fa0f26d..00000000 --- a/results/classifier/deepseek-2-tmp/output/manual-review/1673130 +++ /dev/null @@ -1,74 +0,0 @@ - -qemu 2.7.0 receives SIGABRT in qemu_coroutine_enter() - -I've been experiencing frequent SIGABRTs (in addition to segfaults in #1671876) lately with qemu 2.7.0 running Ubuntu 16.04 guests. The crash usually happens in qemu_coroutine_enter(). I haven't seen this so far with any other guests or distros. - -Here is one stack trace I obtained --------------------------------------------------------------------------- -(gdb) bt -#0 0x00007fd7cc676067 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 -#1 0x00007fd7cc677448 in __GI_abort () at abort.c:89 -#2 0x0000556aed247b6c in qemu_coroutine_enter (co=0x7fd574300df0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:113 -#3 0x0000556aed247e55 in qemu_co_queue_run_restart (co=0x7fd574300ce0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#4 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd574300ce0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#5 0x0000556aed247e74 in qemu_co_queue_run_restart (co=0x7fd589111670) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#6 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd589111670) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#7 0x0000556aed247e74 in qemu_co_queue_run_restart (co=0x7fd57430dba0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#8 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd57430dba0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#9 0x0000556aed247e74 in qemu_co_queue_run_restart (co=0x7fd589119130) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#10 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd589119130) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#11 0x0000556aed247e74 in qemu_co_queue_run_restart (co=0x7fd589117410) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#12 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd589117410) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#13 0x0000556aed247e74 in qemu_co_queue_run_restart (co=0x7fd577f00e00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:60 -#14 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd577f00e00) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -#15 0x0000556aed247fa0 in qemu_co_enter_next (queue=queue@entry=0x556aef34e5e0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine-lock.c:106 -#16 0x0000556aed1e6060 in timer_cb (blk=0x556aef34e590, is_write=<optimized out>) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/block/throttle-groups.c:400 -#17 0x0000556aed1a3615 in timerlist_run_timers (timer_list=0x556aef3bad40) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/qemu-timer.c:528 -#18 0x0000556aed1a3679 in timerlistgroup_run_timers (tlg=tlg@entry=0x556af0738758) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/qemu-timer.c:564 -#19 0x0000556aed1a3f47 in aio_dispatch (ctx=ctx@entry=0x556af0738610) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/aio-posix.c:357 -#20 0x0000556aed1a40e8 in aio_poll (ctx=0x556af0738610, blocking=<optimized out>) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/aio-posix.c:479 -#21 0x0000556aed005c79 in iothread_run (opaque=0x556af07383c0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/iothread.c:46 -#22 0x00007fd7cc9f40a4 in start_thread (arg=0x7fd7aafff700) at pthread_create.c:403 -#23 0x00007fd7cc72962d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 --------------------------------------------------------------------------- - -The code crashes here --------------------------------------------------------------------------- -void qemu_coroutine_enter(Coroutine *co) -{ - Coroutine *self = qemu_coroutine_self(); - CoroutineAction ret; - - trace_qemu_coroutine_enter(self, co, co->entry_arg); - - if (co->caller) { - fprintf(stderr, "Co-routine re-entered recursively\n"); - abort(); <--- Code aborts here - } - - [...] -} --------------------------------------------------------------------------- - -Debugging further we see: --------------------------------------------------------------------------- -(gdb) frame 2 -#2 0x0000556aed247b6c in qemu_coroutine_enter (co=0x7fd574300df0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:113 -113 /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c: No such file or directory. -(gdb) print *co -$1 = {entry = 0x7fd793e95a58, entry_arg = 0x1, caller = 0x7fd793e95a38, pool_next = {sle_next = 0x10}, co_queue_wakeup = {sqh_first = 0x7fd6ebbd2000, sqh_last = 0x1000}, co_queue_next = { - sqe_next = 0x7fd6ebbd1000}} -(gdb) print *co->caller -$2 = {entry = 0x400400000001, entry_arg = 0xc546a20, caller = 0x0, pool_next = {sle_next = 0x0}, co_queue_wakeup = {sqh_first = 0x0, sqh_last = 0xffffea00061f7480}, co_queue_next = {sqe_next = 0x100000000000}} -(gdb) frame 4 -#4 0x0000556aed2479a9 in qemu_coroutine_enter (co=0x7fd574300ce0) at /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c:119 -119 in /build/pb-qemu-pssKUp/pb-qemu-2.7.0/util/qemu-coroutine.c -(gdb) print *co -$3 = {entry = 0xc00000053, entry_arg = 0x7fd500000001, caller = 0x7fd574300d88, pool_next = {sle_next = 0x7fd574300d90}, co_queue_wakeup = {sqh_first = 0x7fd6ebbd1000, sqh_last = 0x7fd574300e00}, - co_queue_next = {sqe_next = 0xc546a20}} -(gdb) print *co->caller -$4 = {entry = 0x230095a58, entry_arg = 0x230095a38, caller = 0x187dd2000, pool_next = {sle_next = 0x187dd1000}, co_queue_wakeup = {sqh_first = 0x187dd0000, sqh_last = 0x187dcf000}, co_queue_next = { - sqe_next = 0x184970000}} --------------------------------------------------------------------------- - -The question is, why did qemu_coroutine_enter not complain when in earlier calls co->caller was not NULL? \ No newline at end of file |