syzbot

[  60.8700319] panic: kernel diagnostic assertion "fli->fli_trans_cnt == 0" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/vfs_trans.c", line 193 
[  60.8861388] cpu0: Begin traceback...
[  60.9100206] vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
[  60.9900204] kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
[  61.0600200] fstrans_lwp_dtor() at netbsd:fstrans_lwp_dtor+0x32f sys/kern/vfs_trans.c:193
[  61.1300195] lwp_exit() at netbsd:lwp_exit+0x361 sys/kern/kern_lwp.c:1136
[  61.1800191] lwp_userret() at netbsd:lwp_userret+0x440 sys/kern/kern_lwp.c:1768
[  61.2500204] mi_userret() at netbsd:mi_userret+0x40d sys/sys/userret.h:59
[  61.3100213] syscall() at netbsd:syscall+0x38b sys/arch/x86/x86/syscall.c:166
[  61.3200185] --- syscall (number 4) ---
[  61.3400212] netbsd:syscall+0x38b:
[  61.3507053] cpu0: End traceback...
[  61.3507053] fatal breakpoint trap in supervisor mode
[  61.3507053] trap type 1 code 0 rip 0xffffffff80235475 cs 0x8 rflags 0x246 cr2 0xc000035080 ilevel 0 rsp 0xffff88824852ad90
[  61.3707224] curlwp 0xffffba5f5af7b640 pid 2105.1919 lowest kstack 0xffff8882485262c0
Stopped in pid 2105.1919 (syz-executor.0) at    netbsd:breakpoint+0x5:  leave
?
breakpoint() at netbsd:breakpoint+0x5
db_panic() at netbsd:db_panic+0xec sys/ddb/db_panic.c:71
vpanic() at netbsd:vpanic+0x2f0 sys/kern/subr_prf.c:288
kern_assert() at netbsd:kern_assert+0x65 sys/arch/amd64/amd64/db_disasm.c:1074
fstrans_lwp_dtor() at netbsd:fstrans_lwp_dtor+0x32f sys/kern/vfs_trans.c:193
lwp_exit() at netbsd:lwp_exit+0x361 sys/kern/kern_lwp.c:1136
lwp_userret() at netbsd:lwp_userret+0x440 sys/kern/kern_lwp.c:1768
m