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kernel panic: Damn Damn! Unhandled trap in the kernel! (5)

Status: upstream: reported syz repro on 2019/07/12 04:31
Reported-by: syzbot+f138fd45d068cdf1e42f@syzkaller.appspotmail.com
First crash: 1960d, last: 1342d
▶ ▼ 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! C 97385 2052d 2320d 1/1 fixed on 2019/04/11 01:13
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:640, from core 0: Damn Damn!  Unhandled trap in the kernel!
HW TRAP frame at 0xfffffff0010587b0 on core 0
  rax  0x0000000000000003
  rbx  0xffff80001584cac0
  rcx  0xffff8000154e3000
  rdx  0x0000000000000000
  rbp  0xfffffff0010588c8
  rsi  0x00000000200000c0
  rdi  0xffff80001584cac0
  r8   0x0000000000000000
  r9   0x0000000000000000
  r10  0x00000000000005b8
  r11  0xffff800006e166dc
  r12  0x00000000200000c0
  r13  0x0000000000000000
  r14  0xfffffff001058910
  r15  0xffff80000219aac1
  trap 0x00000000 Divide error
  gsbs 0xffffffffc8f79b00
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc2007c8e
  cs   0x------------0008
  flag 0x0000000000010206
  rsp  0xfffffff001058878
  ss   0x------------0010
Backtrace of kernel context on Core 0:
#01 [<0xffffffffc2007c8e>] in send_event at src/event.c:395
#02 [<0xffffffffc20086f4>] in fire_tap at src/fdtap.c:182
#03 [<0xffffffffc201686b>] in fire_data_taps at src/net/devip.c:1560
#04 [<0xffffffffc20168ba>] in ip_wake_cb at src/net/devip.c:1577
#05 [<     [inline]     >] in qwake_cb at src/ns/qio.c:103
#05 [<0xffffffffc203bf07>] in __qbwrite at src/ns/qio.c:1497
#06 [<0xffffffffc203cc0b>] in qpassnolim at src/ns/qio.c:922
#07 [<0xffffffffc202f621>] in tcpiput at src/net/tcp.c:2595
#08 [<0xffffffffc201e902>] in ipiput4 at src/net/ip.c:543
#09 [<0xffffffffc201acc1>] in etherread4 at src/net/ethermedium.c:457
#10 [<0xffffffffc200b994>] in __ktask_wrapper at src/kthread.c:292
#11 [<0xffffffffc205bfed>] in process_routine_kmsg at src/trap.c:241
#12 [<0xffffffffc205597e>] in __smp_idle at src/smp.c:78

Crashes (41):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/11/15 10:48 akaros d8b15e15415b 4a7fa9b4 .config console log report syz ci-akaros-main
2020/10/05 05:08 akaros d8b15e15415b 5ef9c291 .config console log report syz ci-akaros-main
2020/04/25 18:38 akaros 5e0dca9112af b8bb8e5f .config console log report syz ci-akaros-main
2020/04/18 08:31 akaros 5e0dca9112af 435c6d53 .config console log report syz ci-akaros-main
2020/02/07 10:00 akaros 76e8476bfe80 5be3a391 .config console log report syz ci-akaros-main
2020/02/03 19:53 akaros 76e8476bfe80 2274ad39 .config console log report syz ci-akaros-main
2019/11/16 21:17 akaros f3c9ddf34aa4 79248ee8 .config console log report syz ci-akaros-main
2019/08/25 10:14 akaros a06b628eed86 d21c5d9d .config console log report syz ci-akaros-main
2019/07/12 04:51 akaros 9855c4bd80c4 baa5258a .config console log report syz ci-akaros-main
2021/03/21 01:31 akaros d8b15e15415b 17810eae .config console log report info ci-akaros-main kernel panic: Damn Damn! Unhandled trap in the kernel!
2021/03/10 15:00 akaros d8b15e15415b 26967e35 .config console log report info ci-akaros-main kernel panic: Damn Damn! Unhandled trap in the kernel!
2021/03/06 01:40 akaros d8b15e15415b e4b4d570 .config console log report info ci-akaros-main kernel panic: Damn Damn! Unhandled trap in the kernel!
2021/02/27 10:13 akaros d8b15e15415b 4c37c133 .config console log report info ci-akaros-main kernel panic: Damn Damn! Unhandled trap in the kernel!
2021/01/31 16:35 akaros d8b15e15415b fc9fd31e .config console log report info ci-akaros-main kernel panic: Damn Damn! Unhandled trap in the kernel!
2021/01/07 07:17 akaros d8b15e15415b c104d4a3 .config console log report info ci-akaros-main
2020/12/11 15:48 akaros d8b15e15415b ba24ffcd .config console log report info ci-akaros-main
2020/11/30 16:35 akaros d8b15e15415b 76831598 .config console log report info ci-akaros-main
2020/11/23 09:17 akaros d8b15e15415b 0d27f508 .config console log report info ci-akaros-main
2020/11/16 09:40 akaros d8b15e15415b 4a7fa9b4 .config console log report info ci-akaros-main
2020/11/15 10:34 akaros d8b15e15415b 4a7fa9b4 .config console log report info ci-akaros-main
2020/10/07 12:37 akaros d8b15e15415b 1880b4a9 .config console log report info ci-akaros-main
2020/10/05 04:50 akaros d8b15e15415b 5ef9c291 .config console log report info ci-akaros-main
2020/08/12 14:52 akaros 3b64a55fba83 0d7bd2e0 .config console log report ci-akaros-main
2020/07/08 20:14 akaros 3b64a55fba83 9f9845eb .config console log report ci-akaros-main
2020/05/22 08:10 akaros 457a7dd40f97 5afa2ddd .config console log report ci-akaros-main
2020/05/02 04:01 akaros 5e0dca9112af bc734e7a .config console log report ci-akaros-main
2020/04/25 18:13 akaros 5e0dca9112af b8bb8e5f .config console log report ci-akaros-main
2020/04/18 07:32 akaros 5e0dca9112af 435c6d53 .config console log report ci-akaros-main
2020/04/09 00:11 akaros 5e0dca9112af 34833561 .config console log report ci-akaros-main
2020/02/12 04:42 akaros 76e8476bfe80 084454ae .config console log report ci-akaros-main
2020/02/07 09:38 akaros 76e8476bfe80 5be3a391 .config console log report ci-akaros-main
2020/02/03 19:30 akaros 76e8476bfe80 2274ad39 .config console log report ci-akaros-main
2020/01/24 07:13 akaros 76e8476bfe80 2e95ab33 .config console log report ci-akaros-main
2019/11/28 14:08 akaros 76e8476bfe80 0d63f89c .config console log report ci-akaros-main
2019/11/16 20:49 akaros f3c9ddf34aa4 79248ee8 .config console log report ci-akaros-main
2019/10/30 00:48 akaros 7a1e025a7fa5 5ea87a66 .config console log report ci-akaros-main
2019/10/10 01:04 akaros 9a1c439dbbb9 c4b9981b .config console log report ci-akaros-main
2019/09/18 18:01 akaros 9a1c439dbbb9 4dc46dd6 .config console log report ci-akaros-main
2019/08/25 09:55 akaros a06b628eed86 d21c5d9d .config console log report ci-akaros-main
2019/07/28 00:53 akaros 9855c4bd80c4 c85e1c5b .config console log report ci-akaros-main
2019/07/12 04:31 akaros 9855c4bd80c4 baa5258a .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.