syzbot


page fault in breakpoint (2)

Status: auto-obsoleted due to no activity on 2023/12/24 03:58
Reported-by: syzbot+bb3f121140e832bea5db@syzkaller.appspotmail.com
First crash: 243d, last: 236d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
netbsd page fault in breakpoint 1 408d 408d 0/3 auto-obsoleted due to no activity on 2023/07/04 10:35

Sample crash report:
[  90.5005797] fatal page fault in supervisor mode
[  90.5005797] trap type 6 code 0x3 rip 0xffffffff802006a0 cs 0x8 rflags 0x10002 cr2 0xffffffff81a989d1 ilevel 0x8 rsp 0xffffca82517ab828
[  90.5005797] curlwp 0xffffca8013464080 pid 496.496 lowest kstack 0xffffca82517a42c0
k[ er 9ne0.l5:0 p05a7ge97 ]fa fulatta tlr adop,ub cleo def=au0l
[ S to90pp.e50d0 i57n 9p7]id  t4 9i6n .s49u6pe r(vsiyzso-erx emocdueto
rt.r3a)p  attype 13 code 0 rip 0xffffffff8020100b cs 0x8 rflags 0x10086 cr2 0xffffca82516e  af b 8   ineltevbseld :X0i rnstrp _0hyxfpefrfvfc_ahy8p2e51r6caeallfc+00x
a0c:ur  lw  p  0axdfdfbf f c  a8%0al1,3e00(%farac0x )p[
 ? 9
0.5005797] id 504.2283 lowest kstack 0xffffca82516e92c0
kernel: double fault trap, code=0
Faulted in DDB; continuing...
db{0}> Xintr_hyperv_hypercall() at netbsd:Xintr_hyperv_hypercall+0xa0
--- interrupt ---
6:
[  90.5005797] panic: stack overflow detected; terminated
[  90.5005797] cpu1: Begin traceback...
[  90.5005797] vpanic() at netbsd:vpanic+0x282 sys/kern/subr_prf.c:292
[  90.5005797] panic() at netbsd:panic+0x9e sys/kern/subr_prf.c:1088
[  90.5005797] __stack_chk_fail() at netbsd:__stack_chk_fail+0x1c sys/kern/kern_ssp.c:59
[  90.5005797] db_stack_trace_print() at netbsd:db_stack_trace_print+0x1266
[  90.5005797] ?() at 0
[  90.5005797] cpu1: End traceback...
[  90.5005797] fatal breakpoint trap in supervisor mode
[  90.5005797] trap type 1 code 0 rip 0xffffffff8023241d cs 0x8 rflags 0x282 cr2 0xffffffff81a989d1 ilevel 0x8 rsp 0xffffca82517aa4c0
[  90.5005797] curlwp 0xffffca8013464080 pid 496.496 lowest kstack 0xffffca82517a42c0
Stopped in pid 496.496 (syz-executor.3) at      netbsd:breakpoint+0x5:  leave

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/25 03:57 netbsd 23ee83f7c0ae 0b6a67ac .config console log report [disk image] [netbsd.gdb] ci2-netbsd page fault in breakpoint
2023/09/18 01:25 netbsd 23ee83f7c0ae 0b6a67ac .config console log report [disk image] [netbsd.gdb] ci2-netbsd page fault in breakpoint
* Struck through repros no longer work on HEAD.