syzbot


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

Status: auto-closed as invalid on 2019/02/22 10:34
Reported-by: syzbot+14b8bfe3f1deda17cb44@syzkaller.appspotmail.com
First crash: 2309d, last: 2309d

Sample crash report:
Ukernel panic at kern/arch/x86/trap.c:312, from core 1: Proc-ful Page Fault in zthe Kernel at 0x0000000000000000!
HW TRAP frame at 0aWVhxfffffff0000ca620 on core 1
  rax  0x0000000000000000
  rbx  0xffffffffc210f658
  rcx  0xffff800006d0c9d8
\  rdx  0x0000000000000001
_t  rbp  0xfffffff0000ca7w48
   =rs]i  r0xffffffffc
210f640
  rdi  0xffffffffc210f658
  r8   0x0000000000a000000
-  r9   0xffff80000324e838
  r10  0x0000000000000168
  r11  0xffff80000324e708
  r12  0wx0000000000000000e
�  '8y?r13  0xffffffffc20b1b00
  r14  0xffff{80000;Y324e708
  r15  0xffffffffc210f640
h  trap 0x0000000e Page Fault
	uMFnm  gs*CGWGga;AdBbs 0xffffffffc8667c40
 �  fsbs 0x0000000000000000
  err  0x--------00000002
  rip  0xffffffffc200be1c
:_  cs   0x------------0008|U
(nGpb  flag 0x0000000000010086
m  rsp  0xfffffff0000ca6e8
  ssK (!a!2
  0x----------{(3--0010
/
Backtrace of kernel context on Core 1:
5#01 [<0xffffffffc200beh1c>] in sem_down
#d02 [<0xffffffffc2YLv3c$c,ҿ9?-S᳝�@P}X~O~M076054>] in consread
#03 [<0xffffffffc207d4e2>] in mntversion at drivers/dev/mnt.c:223
#04 [<0xffffffffc207e882>] in mntattach at drivers/dev/mnt.c:356
#05 [<0xffffffffc203f221>] in sysmount at src/ns/sysfile.c:528
#06 [<0xffffffffc2055b11>] in sys_nmount at src/syscall.c:2259
#07 [<0xffffffffc2059409>] in syscall at src/syscall.c:2528
#08 [<0xffffffffc20595d4>] in run_local_syscall at src/syscall.c:2563
#09 [<0xffffffffc2059b09>] in prep_syscalls at src/syscall.c:2583
#10 [<0xffffffffc20ab36a>] in sysenter_callwrapper at arch/x86/trap.c:854

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/07/28 09:00 akaros 8dc899e19d0f ebf656d7 .config console log report ci-akaros-main
* Struck through repros no longer work on HEAD.