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kernel panic: Proc-ful Page Fault in the Kernel at ADDR!

Status: fixed on 2019/04/30 18:49
Reported-by: syzbot+c9d58a7d1582d003ea18@syzkaller.appspotmail.com
Fix commit: 25e7634e8833 Fix null-pointer deref in SYS_readlink()
First crash: 2103d, last: 1815d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
akaros kernel panic: Proc-ful Page Fault in the Kernel at ADDR! (2) C 197277 986d 1815d 0/1 upstream: reported C repro on 2019/04/30 19:02

Sample crash report:
kernel panic at kern/arch/x86/trap.c:312, from core 0: Proc-ful Page Fault in the Kernel at 0x000000000000001b!
HW TRAP frame at 0xfffffff00006ad30 on core 0
  rax  0x0000000000000000
  rbx  0xffff8000044fa3e0
  rcx  0xfffffff00006aea0
  rdx  0xfffffff00006ad6c
  rbp  0xfffffff00006ae38
  rsi  0x0000000000000000
  rdi  0xfffffff00006aea0
  r8   0x0000000000000001
  r9   0xffffffffc8ad5700
  r10  0x0000000000000030
  r11  0xffff800003c39ba0
  r12  0xffff80000218d000
  r13  0x0000000020000580
  r14  0x0000000000000073
  r15  0x00000000000000c2
  trap 0x0000000e Page Fault
  gsbs 0xffffffffc89abc00
  fsbs 0x0000000000000000
  err  0x--------00000000
  rip  0xffffffffc2058a54
  cs   0x------------0008
  flag 0x0000000000010246
  rsp  0xfffffff00006adf8
  ss   0x------------0010
Backtrace of kernel context on Core 0:
#01 [<0xffffffffc2058a54>] in sys_readlink at src/syscall.c:1960
#02 [<0xffffffffc2059f59>] in syscall at src/syscall.c:2465
#03 [<0xffffffffc205a124>] in run_local_syscall at src/syscall.c:2500
#04 [<0xffffffffc205a659>] in prep_syscalls at src/syscall.c:2520
#05 [<0xffffffffc20ac10a>] in sysenter_callwrapper at arch/x86/trap.c:854

Crashes (2267398):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/10/22 20:46 akaros 73001cbb86fe ecb386fe .config console log report syz C ci-akaros-main
2018/10/02 23:19 akaros 0125d68f9264 a316a2af .config console log report syz C ci-akaros-main
2018/09/15 14:28 akaros 3957e726d0cb a343a400 .config console log report syz C ci-akaros-main
2018/09/14 11:00 akaros 3957e726d0cb a343a400 .config console log report syz C ci-akaros-main
2018/09/14 08:39 akaros 3957e726d0cb 19e9088b .config console log report syz C ci-akaros-main
2018/09/14 07:03 akaros 3957e726d0cb 19e9088b .config console log report syz C ci-akaros-main
2018/09/14 06:51 akaros 3957e726d0cb 19e9088b .config console log report syz C ci-akaros-main
2018/09/13 04:17 akaros 152504243625 71907daf .config console log report syz C ci-akaros-main
2018/09/12 00:22 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 22:11 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 21:43 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 20:51 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 20:11 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 19:23 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/11 14:59 akaros 09363dc1775f 4ae17b1f .config console log report syz C ci-akaros-main
2018/09/10 13:44 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 11:54 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 10:29 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 10:03 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 09:25 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 03:52 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 03:10 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/10 01:12 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 21:36 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 21:23 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 21:17 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 20:39 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 15:51 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 05:58 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 03:45 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 02:47 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 02:21 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/09 02:06 akaros 09363dc1775f 6b5120a4 .config console log report syz C ci-akaros-main
2018/09/08 00:39 akaros 09363dc1775f 69cfeb80 .config console log report syz C ci-akaros-main
2018/09/07 23:05 akaros 09363dc1775f 69cfeb80 .config console log report syz C ci-akaros-main
2018/09/06 20:09 akaros 09363dc1775f 0bb7a7eb .config console log report syz C ci-akaros-main
2018/09/05 17:08 akaros 09363dc1775f 5c6bf6c5 .config console log report syz C ci-akaros-main
2018/09/05 16:00 akaros 09363dc1775f 5c6bf6c5 .config console log report syz C ci-akaros-main
2018/07/16 16:00 akaros 93b9607ebeff 40cb0c9a .config console log report syz C ci-akaros-main
2018/11/04 19:37 akaros f89b6d306593 8bd6bd63 .config console log report syz ci-akaros-main
2018/09/13 03:50 akaros 152504243625 71907daf .config console log report syz ci-akaros-main
2019/04/30 18:45 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:39 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:37 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:33 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:30 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:27 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:22 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:19 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:16 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:13 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:09 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:07 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:04 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 18:00 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:57 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:54 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:51 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:47 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:44 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:40 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:37 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:34 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:30 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:26 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:23 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:20 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:17 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:13 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:09 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:06 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 17:03 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:59 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:55 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:51 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:40 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:36 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:32 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:28 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:25 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:22 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2019/04/30 16:18 akaros 2a2a3b425db1 20f16bef .config console log report ci-akaros-main
2018/07/16 15:52 akaros 93b9607ebeff 40cb0c9a .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.