panic: vput: ref cnt
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*333214  65366      0           0  0x4000000    0  syz-executor.1
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic() at panic+0x15c sys/kern/subr_prf.c:207
vput(fffffd802cb62630) at vput+0x14b sys/kern/vfs_subr.c:750
vn_close(fffffd802cb62630,2,fffffd803f7c68a0,ffff8000ffff2018) at vn_close+0xfb sys/kern/vfs_vnops.c:291
sys_acct(ffff8000ffff2018,ffff8000165ee4d8,ffff8000165ee540) at sys_acct+0x15b sys/kern/kern_acct.c:134
syscall(ffff8000165ee5a0) at syscall+0x508
Xsyscall(6,0,fffffffffffffec0,0,1,9018d79b010) at Xsyscall+0x128
end of kernel
end trace frame: 0x903b9dc31b0, count: 8
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