login: uvm_fault(0xffffffff83a06b78, 0xffff80001c0920d8, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ffs2_balloc+0xa0d:      movq    0(%rcx,%rax,8),%r14
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 78415  50761      0         0x2        0x1    0K syz-executor
ffs2_balloc(fffffd806c7cbce0,9e3c7,78,fffffd80097fd548,1,ffff80002a321a68) at ffs2_balloc+0xa0d sys/ufs/ffs/ffs_balloc.c:614
ffs_write(ffff80002a321af0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345
VOP_WRITE(fffffd805fcdd3a8,ffff80002a321ba0,3,fffffd80097fd548) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245
ktrwriteraw(ffff80002a242a70,fffffd805fcdd3a8,fffffd80097fd548,ffff80002a321c78,ffff80002a321c50) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691
ktrgenio(ffff80002a242a70,f9,0,ffff800000c40e30,30) at ktrgenio+0x2b3 ktrwrite2 sys/kern/kern_ktrace.c:653 [inline]
ktrgenio(ffff80002a242a70,f9,0,ffff800000c40e30,30) at ktrgenio+0x2b3 sys/kern/kern_ktrace.c:264
dofilereadv(ffff80002a242a70,f9,ffff80002a321df8,0,ffff80002a321eb0) at dofilereadv+0x474 sys/kern/sys_generic.c:268
sys_read(ffff80002a242a70,ffff80002a321f60,ffff80002a321eb0) at sys_read+0xa2 sys/kern/sys_generic.c:172
syscall(ffff80002a321f60) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a321f60) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x766af8356f10, count: 6
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