login: uvm_fault(0xffffffff83ad09a8, 0xffff800025bc2004, 0, 1) -> d
kernel: page fault trap, code=0
Stopped at      ffs_nodealloccg+0x13c:  movl    0x4(%rbx),%r15d
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*335734  46026      0         0x2          0    1K syz-executor
ffs_nodealloccg(fffffd806f6ecbc8,0,0,41c0) at ffs_nodealloccg+0x13c ffs_cgread sys/ufs/ffs/ffs_alloc.c:856 [inline]
ffs_nodealloccg(fffffd806f6ecbc8,0,0,41c0) at ffs_nodealloccg+0x13c sys/ufs/ffs/ffs_alloc.c:1106
ffs_inode_alloc(fffffd806f6ecbc8,41c0,fffffd80097fd410,ffff80002a368438) at ffs_inode_alloc+0x20a ffs_hashalloc sys/ufs/ffs/ffs_alloc.c:814 [inline]
ffs_inode_alloc(fffffd806f6ecbc8,41c0,fffffd80097fd410,ffff80002a368438) at ffs_inode_alloc+0x20a sys/ufs/ffs/ffs_alloc.c:390
ufs_mkdir(ffff80002a3684a0) at ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112
VOP_MKDIR(fffffd806f6691e0,ffff80002a368600,ffff80002a368630,ffff80002a368530) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394
domkdirat(ffff8000ffffcf98,ffffff9c,78c7e04c65a0,1c0) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3143
syscall(ffff80002a3687b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3687b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78c7e04c6560, count: 8
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reports.  Insufficient info makes it difficult to find and fix bugs.
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