uvm_fault(0xffffffff839afbd8, 0xffff800029ee6000, 0, 2) -> e
kernel: page fault trap, code=2
Stopped at      kcov_remote_enter+0x122:        movq    $0,0(%rcx)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*265481  61284      0         0x2          0    0  syz-executor
kcov_remote_enter(0,ffff80002a79d210) at kcov_remote_enter+0x122 sys/dev/kcov.c:670
timeout_run(ffffffff83917eb0,ffff80002a778b08) at timeout_run+0xdf sys/kern/kern_timeout.c:696
softclock_process_tick_timeout(ffff80002a778b08,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756
softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788
softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87
dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862
Xsoftclock() at Xsoftclock+0x27
vinvalbuf(fffffa806fb4fa60,2,fffffa8007ffd618,ffff80002a736538,0,ffffffffffffffff) at vinvalbuf+0x67f sys/kern/vfs_subr.c:2036
ffs_truncate(fffffa806ef17f00,0,4,fffffa8007ffd618) at ffs_truncate+0xf41 sys/ufs/ffs/ffs_inode.c:-1
ufs_rmdir(ffff80002a888f30) at ufs_rmdir+0x2ee sys/ufs/ufs/ufs_vnops.c:1265
VOP_RMDIR(fffffa806d3ff620,fffffa806fb4fa60,ffff80002a889008) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413
dounlinkat(ffff80002a736538,ffffff9c,777196824360,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1839
syscall(ffff80002a889170) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80002a889170) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x777196824350, count: 1
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>