syzbot


assertion failed: !profiler_queue

Status: fixed on 2019/05/12 23:37
Reported-by: syzbot+e8998ed113c341947438@syzkaller.appspotmail.com
Fix commit: 37a590d0f6db prof: fix disgusting synchronzation
First crash: 1812d, last: 1812d

Sample crash report:
kernel panic at kern/src/profiler.c:416, from core 3: assertion failed: !profiler_queue
Stack Backtrace on Core 3:
#01 [<0xffffffffc200a42c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009bc5>] in _panic at src/init.c:268
#03 [<0xffffffffc204624b>] in profiler_setup at src/profiler.c:416
#04 [<0xffffffffc207c4ca>] in kprof_open at drivers/dev/kprof.c:230
#05 [<0xffffffffc2033ba0>] in __namec_from at src/ns/chan.c:1268
#06 [<0xffffffffc2034393>] in namec at src/ns/chan.c:1562
#07 [<0xffffffffc20417e6>] in sysopenat at src/ns/sysfile.c:572
#08 [<0xffffffffc20592bf>] in sys_openat at src/syscall.c:1806
#09 [<0xffffffffc2059f49>] in syscall at src/syscall.c:2578
#10 [<0xffffffffc205aaf8>] in run_local_syscall at src/syscall.c:2615
#11 [<0xffffffffc205b039>] in prep_syscalls at src/syscall.c:2635
#12 [<0xffffffffc20ac812>] in sysenter_callwrapper at arch/x86/trap.c:877

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/05/03 18:21 akaros d8ea787e7260 d28f4ce5 .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.