syzbot


kernel panic: Damn Damn! Unhandled trap in the kernel!

Status: fixed on 2019/04/11 01:13
Reported-by: syzbot+a21358b54760bd84b850@syzkaller.appspotmail.com
Fix commit: 2f949716a900 Sanitize vcoreid from untrusted sources
First crash: 2321d, last: 2052d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
akaros kernel panic: Damn Damn! Unhandled trap in the kernel! (5) syz 41 1342d 1960d 0/1 upstream: reported syz repro on 2019/07/12 04:31
akaros kernel panic: Damn Damn! Unhandled trap in the kernel! (3) C 3 2031d 2031d 1/1 fixed on 2019/05/02 02:02
akaros kernel panic: Damn Damn! Unhandled trap in the kernel! (4) syz 3 2025d 2029d 1/1 fixed on 2019/05/09 14:48
akaros kernel panic: Damn Damn! Unhandled trap in the kernel! (2) C 2 2039d 2039d 1/1 fixed on 2019/04/30 00:21

Sample crash report:
kernel panic at kern/arch/x86/trap.c:610, from core 0: Damn Damn!  Unhandled trap in the kernel!
HW TRAP frame at 0xfffffff00006acc0 on core 0
  rax  0x00007f7fffa01200
  rbx  0x000006a000000d40
  rcx  0xffff80000325ab40
  rdx  0xfffffff00006adf0
  rbp  0xfffffff00006ad88
  rsi  0x0000861fffa02c10
  rdi  0xffff80000218d000
  r8   0x0000000000000001
  r9   0x0000000000000000
  r10  0x0000000000000000
  r11  0x0000000000000202
  r12  0xffff80000218d000
  r13  0xffff80000218d000
  r14  0xfffffff00006adf0
  r15  0x0000000000000008
  trap 0x0000000d General Protection
  gsbs 0xffffffffc89a9c00
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc2006fd9
  cs   0x------------0008
  flag 0x0000000000010286
  rsp  0xfffffff00006ad88
  ss   0x------------0010
Backtrace of kernel context on Core 0:
#01 [<0xffffffffc2006fd9>] in post_ev_msg.isra.1 at src/event.c:82
#02 [<     [inline]     >] in post_vc_msg at src/event.c:106
#02 [<0xffffffffc2007856>] in post_vcore_event at src/event.c:489
#03 [<0xffffffffc20577b2>] in sys_self_notify at src/syscall.c:1425
#04 [<0xffffffffc2059f09>] in syscall at src/syscall.c:2465
#05 [<0xffffffffc205a0d4>] in run_local_syscall at src/syscall.c:2500
#06 [<0xffffffffc205a609>] in prep_syscalls at src/syscall.c:2520
#07 [<0xffffffffc20abc0a>] in sysenter_callwrapper at arch/x86/trap.c:854

Crashes (97385):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/11/19 00:37 akaros f89b6d306593 adf636a8 .config console log report syz C ci-akaros-main
2018/09/03 09:01 akaros 09363dc1775f 8d971420 .config console log report syz C ci-akaros-main
2018/08/30 02:06 akaros e94ea40da19b 4937cb2b .config console log report syz C ci-akaros-main
2018/08/24 17:08 akaros e94ea40da19b 95b5c82b .config console log report syz C ci-akaros-main
2018/08/24 12:29 akaros e94ea40da19b 95b5c82b .config console log report syz C ci-akaros-main
2018/08/20 11:43 akaros e94ea40da19b 2dc4378f .config console log report syz C ci-akaros-main
2018/08/12 23:17 akaros 8b21413cae5f 7a88b141 .config console log report syz C ci-akaros-main
2018/08/07 21:52 akaros 8b21413cae5f 1beb8136 .config console log report syz C ci-akaros-main
2018/08/05 01:01 akaros 8b21413cae5f 3476a2df .config console log report syz C ci-akaros-main
2018/07/25 16:18 akaros 8dc899e19d0f 375a3e31 .config console log report syz C ci-akaros-main
2018/07/24 12:40 akaros c5f7000db927 9fe4bdc5 .config console log report syz C ci-akaros-main
2018/07/24 10:50 akaros c5f7000db927 9fe4bdc5 .config console log report syz C ci-akaros-main
2018/07/22 11:41 akaros 9196d29ad275 8cc079c3 .config console log report syz C ci-akaros-main
2018/07/22 05:09 akaros 9196d29ad275 8cc079c3 .config console log report syz C ci-akaros-main
2018/07/16 16:36 akaros 93b9607ebeff 40cb0c9a .config console log report syz C ci-akaros-main
2019/04/11 01:01 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/11 00:36 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 23:22 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 22:25 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 21:37 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 21:23 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 20:22 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 20:09 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 19:05 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 18:40 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 17:39 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 16:46 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 16:29 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 15:23 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 15:20 akaros e696158ed173 e955ac50 .config console log report ci-akaros-main
2019/04/10 14:20 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 14:04 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 13:01 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 12:49 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 11:48 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 11:35 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 10:33 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 09:44 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 09:29 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 08:29 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 07:30 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 06:36 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 05:57 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 04:56 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 04:12 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 04:10 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 03:07 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 03:03 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 02:01 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 01:56 akaros e696158ed173 65b612b7 .config console log report ci-akaros-main
2019/04/10 00:50 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2019/04/10 00:28 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2019/04/09 23:26 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2019/04/09 22:25 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2019/04/09 21:32 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2019/04/09 21:10 akaros e696158ed173 91d50a67 .config console log report ci-akaros-main
2018/07/16 16:21 akaros 93b9607ebeff 40cb0c9a .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.