syzbot


panic: trap type NUM, code=NUM, pc=e94f9

Status: upstream: reported on 2024/09/10 06:23
Reported-by: syzbot+77c3993693decdaa452d@syzkaller.appspotmail.com
First crash: 72d, last: 72d

Sample crash report:
panic: trap type 6, code=10, pc=e94f9
Starting stack trace...
panic(ffffffff82fd8f5d) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a047c70) at kerntrap+0x29b sys/arch/amd64/amd64/trap.c:327
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
acpi_pdirpa() at acpi_pdirpa+0xd536a
rt_clone(ffff80002a047f48,fffffd806380df30,0) at rt_clone+0x98 sys/net/route.c:383
route_mpath(fffffd806380df18,ffff80002a04809c,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline]
route_mpath(fffffd806380df18,ffff80002a04809c,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline]
route_mpath(fffffd806380df18,ffff80002a04809c,0,0) at route_mpath+0x170 sys/net/route.c:255
in_pcbselsrc(fffffd8073b98bf4,ffff80002a048098,fffffd806380dea0) at in_pcbselsrc+0x250
rip_output(fffffd806c3e7e00,ffff800001332548,ffff80002a048098,4581) at rip_output+0x2bf sys/netinet/raw_ip.c:310
rip_send(ffff800001332548,fffffd806c3e7e00,0,0) at rip_send+0x13d sys/netinet/raw_ip.c:628
sosend(ffff800001332548,0,ffff80002a048298,0,0,0) at sosend+0xa40
dofilewritev(ffff8000fffee7c0,3,ffff80002a048298,0,ffff80002a048350) at dofilewritev+0x23c sys/kern/sys_generic.c:380
sys_write(ffff8000fffee7c0,ffff80002a048400,ffff80002a048350) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a048400) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline]
syscall(ffff80002a048400) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc9b4da77910, count: 243
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 389fa873-dfcb-7256-506e-5266d86d0b3b
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 0x000f27c0: 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 $lines = 0
set: syntax error
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 (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/10 15:48 openbsd 6bf665493ecb 784df80e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: trap type NUM, code=NUM, pc=e94f9
2024/09/10 14:00 openbsd 6bf665493ecb 784df80e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: trap type NUM, code=NUM, pc=e94f9
2024/09/10 09:31 openbsd 6bf665493ecb 784df80e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main panic: trap type NUM, code=NUM, pc=e94f9
2024/09/10 06:22 openbsd d05e5827ac65 784df80e .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: trap type NUM, code=NUM, pc=e94f9
* Struck through repros no longer work on HEAD.