syzbot


corrupted report (7)

Status: upstream: reported on 2025/02/03 11:46
Reported-by: syzbot+b238e075c6e02778c5f4@syzkaller.appspotmail.com
First crash: 252d, last: 1h17m
Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd corrupted report (5) -1 3 1497d 1497d 0/3 closed as dup on 2021/09/07 12:09
openbsd corrupted report (6) -1 2268 327d 1486d 0/3 auto-obsoleted due to no activity on 2025/01/09 11:25
openbsd corrupted report (4) -1 21 1727d 1895d 0/3 auto-closed as invalid on 2021/04/20 22:19
openbsd corrupted report (2) -1 17 2173d 2222d 0/3 closed as dup on 2019/09/13 20:10
openbsd corrupted report -1 7 2226d 2239d 0/3 closed as dup on 2019/08/27 18:20
openbsd corrupted report (3) -1 6058 1895d 2157d 0/3 closed as dup on 2019/11/17 14:10

Sample crash report:
uvm_fault(0xfffffd80689288c0, 0x0, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff8309b838 cs 8 rflags 10207 cr2 0 cpl 0 rsp ffff80003ca01790
gsbase 0xffffffff8376dff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff8309b838
Starting stack trace...
panic(ffffffff8337d4df) at panic+0x1ba sys/kern/subr_prf.c:229
kerntrap(ffff80003ca016e0) at kerntrap+0x2fb
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b

dt_ioctl_record_stop(ffff8000015fd900) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593
dtclose(21e5f,81,2000,ffff80002fd007e0) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline]
dtclose(21e5f,81,2000,ffff80002fd007e0) at dtclose+0xd9 sys/dev/dt/dt_dev.c:239
spec_close(ffff80003ca01890) at spec_close+0x466 sys/kern/spec_vnops.c:-1
VOP_CLOSE(fffffd8066b57530,81,fffffd8007bfb680,ffff80002fd007e0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156
vn_closefile(fffffd806e0a7180,ffff80002fd007e0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline]
vn_closefile(fffffd806e0a7180,ffff80002fd007e0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615
fdrop(fffffd806e0a7180,ffff80002fd007e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280
closef(fffffd806e0a7180,ffff80002fd007e0) at closef+0x190 sys/kern/kern_descrip.c:1264
fdfree(ffff80002fd007e0) at fdfree+0x115 sys/kern/kern_descrip.c:1195
exit1(ffff80002fd007e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80002fd007e0,ffff80003ca01bf0,ffff80003ca01b40) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003ca01bf0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003ca01bf0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f1f35586930, count: 242
End of stack trace.

dump to dev 4,1 not possible
rebooting...
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000080000000 = 2048 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID e4c28bce-9379-8bb2-f2c8-a7cf484f58e0
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f2820: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
>> OpenBSD/amd64 BOOT 3.67
boot> set $maxwidth = 0
set: syntax error
boot> show panic
boot: illegal argument panic
boot> trace
boot> show registers
boot> show proc
boot> ps
boot> show all locks
boot> show malloc
boot> show all pools
boot> machine ddbcpu 0
machine: syntax error
boot> trace
boot> machine ddbcpu 1
machine: syntax error
boot> trace

Crashes (5089):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/10/13 21:25 openbsd 105f350ce01a b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/13 19:48 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 17:43 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 16:00 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 15:17 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 13:15 openbsd 13656af3a292 b6605ba8 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 09:40 openbsd 13656af3a292 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 08:06 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid corrupted report
2025/10/13 06:40 openbsd 13656af3a292 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/13 02:44 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/13 00:51 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 23:16 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 20:19 openbsd d388a6109664 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid corrupted report
2025/10/12 16:35 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 13:02 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 10:43 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 09:15 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/12 07:50 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 05:38 openbsd 514aadd59570 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/12 04:04 openbsd 0f168beaa75c ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 02:48 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/12 01:34 openbsd 0f168beaa75c ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/12 00:04 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/12 00:04 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 22:29 openbsd 0f168beaa75c ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/11 20:36 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 17:27 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 16:06 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 13:50 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 12:44 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 10:46 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 09:37 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/11 08:13 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/11 05:55 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/11 04:40 openbsd ba3be980ae71 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/11 04:02 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 03:00 openbsd 4cb29f8dafd8 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/11 00:23 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 22:43 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 21:33 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 21:14 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 20:12 openbsd 2d7977329ed5 ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main corrupted report
2025/10/10 19:10 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 17:01 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 15:41 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 14:38 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/10/10 13:12 openbsd 24a0c7ef0cff ff1712fe .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
2025/02/03 11:45 openbsd db5d28f093d6 a21a8419 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore corrupted report
* Struck through repros no longer work on HEAD.