syzbot


corrupted report (6)

Status: upstream: reported on 2021/09/18 20:58
Reported-by: syzbot+ef4f9b71feec24fcb6a7@syzkaller.appspotmail.com
First crash: 380d, last: 1d17h
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd corrupted report (5) 3 391d 391d 0/3 closed as dup on 2021/09/07 12:09
openbsd corrupted report (4) 21 621d 789d 0/3 auto-closed as invalid on 2021/04/20 22:19
openbsd corrupted report (2) 17 1067d 1116d 0/3 closed as dup on 2019/09/13 20:10
openbsd corrupted report 7 1120d 1133d 0/3 closed as dup on 2019/08/27 18:20
openbsd corrupted report (3) 6058 790d 1052d 0/3 closed as dup on 2019/11/17 14:10

Sample crash report:
uvm_fault(0xfffffd807f015550, 0x8, 0, 1) -> e
fatal page fault in supervisor mode
trap type 6 code 0 rip ffffffff81c85bae cs 8 rflags 10246 cr2 8 cpl 0 rsp ffff800021739130
gsbase 0xffffffff82996ff0  kgsbase 0x0
panic: trap type 6, code=0, pc=ffffffff81c85bae
Starting stack trace...
panic(ffffffff8256d3a3) at panic+0x155 sys/kern/subr_prf.c:229
kerntrap(ffff800021739080) at kerntrap+0x1b7 sys/arch/amd64/amd64/trap.c:313
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
fifo_write(ffff800021739180) at fifo_write+0x4e sys/miscfs/fifofs/fifo_vnops.c:271
VOP_WRITE(fffffd80668b6718,ffff800021739230,3,fffffd807f7d7888) at VOP_WRITE+0xbf sys/kern/vfs_vops.c:245
ktrwriteraw(ffff8000216ffcf0,fffffd80668b6718,fffffd807f7d7888,ffff8000217392f0,ffff8000217392d0) at ktrwriteraw+0x13d sys/kern/kern_ktrace.c:660
ktrstruct(ffff8000216ffcf0,ffffffff8260b323,ffff800021739430,70) at ktrstruct+0x16f ktrwrite2 sys/kern/kern_ktrace.c:625 [inline]
ktrstruct(ffff8000216ffcf0,ffffffff8260b323,ffff800021739430,70) at ktrstruct+0x16f sys/kern/kern_ktrace.c:309
iovec_copyin(7f7ffffd7030,ffff8000217394e8,ffff800021739430,7,ffff8000217394e0) at iovec_copyin+0x16c sys/kern/sys_generic.c:115
sys_writev(ffff8000216ffcf0,ffff800021739550,ffff8000217395b0) at sys_writev+0x5a sys/kern/sys_generic.c:314
syscall(ffff800021739620) at syscall+0x447 sys/arch/amd64/amd64/trap.c:585
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd4dc0, count: 246
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 a0530fd3-c3ad-b54d-95aa-ef4c7d9dfdbd
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 0x000f24c0: 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 3.55
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 (201):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-openbsd-main 2022/10/02 12:24 openbsd eb1ff9efeeaf feb56351 .config log report corrupted report
ci-openbsd-setuid 2022/09/30 00:01 openbsd cc17eeafc2ef 45fd7169 .config log report corrupted report
ci-openbsd-multicore 2022/09/27 03:48 openbsd 96592628355e 10323ddf .config log report corrupted report
ci-openbsd-multicore 2022/09/26 16:22 openbsd 68aa891044c9 d59ba983 .config log report corrupted report
ci-openbsd-multicore 2022/09/22 15:35 openbsd 46a03a1ef9f5 0042f2b4 .config log report corrupted report
ci-openbsd-main 2022/09/19 00:17 openbsd 076ab34a56d3 dd9a85ff .config log report corrupted report
ci-openbsd-multicore 2022/09/14 15:41 openbsd 24c9f630e126 b884348d .config log report corrupted report
ci-openbsd-multicore 2022/09/13 16:33 openbsd b81859533eb4 a08652b0 .config log report corrupted report
ci-openbsd-multicore 2022/09/09 03:01 openbsd 153b9547639a f3027468 .config log report corrupted report
ci-openbsd-main 2022/09/08 20:09 openbsd b168b2fee5d9 f3027468 .config log report corrupted report
ci-openbsd-main 2022/09/05 12:53 openbsd b76ab7f95425 922294ab .config log report corrupted report
ci-openbsd-multicore 2022/09/04 07:00 openbsd c3a3d6092d41 28811d0a .config log report corrupted report
ci-openbsd-multicore 2022/09/02 20:38 openbsd a938e53ca89f 25194605 .config log report corrupted report
ci-openbsd-main 2022/09/01 07:01 openbsd f0a6a678cb98 b01ec571 .config log report corrupted report
ci-openbsd-main 2022/08/31 07:21 openbsd 5aef4460fc59 4a380809 .config log report corrupted report
ci-openbsd-setuid 2022/08/23 18:49 openbsd 86e05c940413 cea8b0f7 .config log report corrupted report
ci-openbsd-multicore 2022/08/23 12:06 openbsd 86e05c940413 cea8b0f7 .config log report corrupted report
ci-openbsd-main 2022/08/23 02:38 openbsd 16f2ec56243d 26a13b38 .config log report corrupted report
ci-openbsd-main 2022/08/22 14:57 openbsd 148170073102 26a13b38 .config log report corrupted report
ci-openbsd-main 2022/08/22 09:51 openbsd 148170073102 26a13b38 .config log report corrupted report
ci-openbsd-main 2022/08/21 01:59 openbsd e531bb44b360 26a13b38 .config log report corrupted report
ci-openbsd-multicore 2022/08/20 23:44 openbsd c6821aa4c746 26a13b38 .config log report corrupted report
ci-openbsd-multicore 2022/08/19 05:54 openbsd d7ab08139e00 26a13b38 .config log report corrupted report
ci-openbsd-multicore 2022/08/18 04:51 openbsd 4a99c7448f02 a9409d47 .config log report corrupted report
ci-openbsd-setuid 2022/08/12 17:09 openbsd d71621f64d85 402cd70d .config log report corrupted report
ci-openbsd-multicore 2022/08/11 21:43 openbsd e62200aeef3d 21724cb2 .config log report corrupted report
ci-openbsd-multicore 2022/08/09 20:19 openbsd 9170c2da45e8 c2a623d6 .config log report corrupted report
ci-openbsd-multicore 2022/08/03 20:34 openbsd 7400b1070705 1c9013ac .config log report corrupted report
ci-openbsd-multicore 2022/07/12 18:22 openbsd bf955257b2e4 d91dd8ea .config log report corrupted report
ci-openbsd-main 2022/07/10 00:42 openbsd 149f7d9868cf b5765a15 .config log report corrupted report
ci-openbsd-setuid 2022/07/08 11:01 openbsd 794feedc7a05 8442e655 .config log report corrupted report
ci-openbsd-main 2022/07/07 17:22 openbsd df46652d2c3c bff65f44 .config log report corrupted report
ci-openbsd-main 2022/07/06 17:11 openbsd 62fe3e722d31 bff65f44 .config log report corrupted report
ci-openbsd-main 2022/07/04 00:01 openbsd e9ec17621338 1434eec0 .config log report corrupted report
ci-openbsd-main 2022/07/03 19:35 openbsd e9ec17621338 1434eec0 .config log report corrupted report
ci-openbsd-multicore 2022/07/03 01:00 openbsd 0d83e05a84e8 1434eec0 .config log report corrupted report
ci-openbsd-main 2022/07/02 23:29 openbsd 0d83e05a84e8 1434eec0 .config log report corrupted report
ci-openbsd-main 2022/07/02 11:06 openbsd a4a82b864d54 1434eec0 .config log report corrupted report
ci-openbsd-main 2022/06/27 19:23 openbsd 2322beb42253 ef82eb2c .config log report corrupted report
ci-openbsd-main 2022/06/27 09:50 openbsd a5953208fc7d a371c43c .config log report corrupted report
ci-openbsd-setuid 2022/06/22 01:49 openbsd 6e1ff440574c 0fc5c330 .config log report corrupted report
ci-openbsd-multicore 2022/06/18 12:15 openbsd 0c10332af909 8f633d84 .config log report corrupted report
ci-openbsd-main 2022/06/18 10:07 openbsd 0c10332af909 8f633d84 .config log report corrupted report
ci-openbsd-main 2022/06/17 11:01 openbsd 5a275dbbaf4d cb58b3b2 .config log report corrupted report
ci-openbsd-main 2021/09/18 20:58 openbsd 71c23e2a74ef 70b76c1d .config log report corrupted report
* Struck through repros no longer work on HEAD.