uvm_fault(0xffffffff83a35d50, 0xffff80001fc75ff8, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at ffs2_balloc+0xa0a: movq 0(%rcx,%rax,8),%r14
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*176448 96174 0 0 0x4000000 0 syz-executor
ffs2_balloc(fffffd806c7f3900,840002ffff,1,fffffd8007ffd4e0,3,ffff80002a77cd88) at ffs2_balloc+0xa0a sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a77ce10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd806f8ea2b8,ffff80002a77cfc8,17,fffffd8007ffd4e0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806ff7d960,ffff80002a77cfc8,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000364eb4e8,3,ffff80002a77cfc8,0,ffff80002a77d070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff8000364eb4e8,ffff80002a77d120,ffff80002a77d070) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a77d120) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a77d120) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x51512b20750, count: 7
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports. Insufficient info makes it difficult to find and fix bugs.
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xffffffff83a35d50, 0xffff80001fc75ff8, 0, 1) -> d
ddb> trace
ffs2_balloc(fffffd806c7f3900,840002ffff,1,fffffd8007ffd4e0,3,ffff80002a77cd88) at ffs2_balloc+0xa0a sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a77ce10) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd806f8ea2b8,ffff80002a77cfc8,17,fffffd8007ffd4e0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
vn_write(fffffd806ff7d960,ffff80002a77cfc8,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:414
dofilewritev(ffff8000364eb4e8,3,ffff80002a77cfc8,0,ffff80002a77d070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384
sys_write(ffff8000364eb4e8,ffff80002a77d120,ffff80002a77d070) at sys_write+0xa2 sys/kern/sys_generic.c:300
syscall(ffff80002a77d120) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a77d120) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x51512b20750, count: -8
ddb>