À °þÿÿpanic: kernel diagnostic assertion "vp->v_usecount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_subr.c", line 639 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *121065 37432 0 0x8000000 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830a2e37) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8305a8b0,ffffffff8309fdb5,27f,ffffffff82ff37bd) at __assert+0x29 vdoom(fffffd807b9d55f0) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff800032676ae8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd807b9d55f0,ffff80002a52b988) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vclean(fffffd807b9d55f0,8,ffff80002a52b988) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd807b9d55f0,ffff80002a52b988) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff800032676c78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80748e3c00,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff800032677140,3,ffff80002a52b988) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806e9f2870,40287401,ffff800032677140,3,fffffd807f7d74e0,ffff80002a52b988) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ccc1ea0,40287401,ffff800032677140,ffff80002a52b988) at vn_ioctl+0xe8 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a52b988,ffff800032677320,ffff800032677270) at sys_ioctl+0x678 end trace frame: 0xffff800032677310, count: 0 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> show panic *cpu0: kernel diagnostic assertion "vp->v_usecount == 0" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_subr.c", line 639 ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830a2e37) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8305a8b0,ffffffff8309fdb5,27f,ffffffff82ff37bd) at __assert+0x29 vdoom(fffffd807b9d55f0) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff800032676ae8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd807b9d55f0,ffff80002a52b988) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vclean(fffffd807b9d55f0,8,ffff80002a52b988) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd807b9d55f0,ffff80002a52b988) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff800032676c78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80748e3c00,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff800032677140,3,ffff80002a52b988) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806e9f2870,40287401,ffff800032677140,3,fffffd807f7d74e0,ffff80002a52b988) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ccc1ea0,40287401,ffff800032677140,ffff80002a52b988) at vn_ioctl+0xe8 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a52b988,ffff800032677320,ffff800032677270) at sys_ioctl+0x678 syscall(ffff800032677320) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb94d0678cb0, count: -16 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff800032676980 rbx 0 rdx 0xffff800001155900 rcx 0 rax 0xffff80002a52b988 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd2b089bafd6c1738 r11 0xb81cb300d40fc648 r12 0 r13 0 r14 0 r15 0x1 rip 0xffffffff82c9cec5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800032676970 ss 0 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor) tid=121065 pid=37432 tcnt=3 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a52a2c0,0xffff80002a52b488 process=0xffff800037611318 user=0xffff800032672000, vmspace=0xfffffd807dfbf160 estcpu=32, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 86072 197329 99277 0 3 0x8000000 futex syz-executor 86072 254115 99277 0 3 0xc000080 fsleep syz-executor 56139 218296 37345 0 2 0x8000000 syz-executor 56139 77297 37345 0 2 0xc000000 syz-executor 56139 242648 37345 0 2 0xc000000 syz-executor 62987 302722 72112 0 2 0x8000000 syz-executor 62987 23017 72112 0 3 0xc000080 fsleep syz-executor 62987 258358 72112 0 3 0xc000080 fsleep syz-executor 97309 352065 67053 0 3 0x8000000 futex syz-executor 97309 368877 67053 0 3 0xc000000 futex syz-executor 97309 401277 67053 0 3 0xc000080 fsleep syz-executor 47045 259812 59709 0 4 0x8082000 syz-executor 47045 101649 59709 0 3 0xc002000 suspend syz-executor 47045 255370 59709 0 3 0xc082000 futex syz-executor 57195 179331 700 0 3 0x8000000 futex syz-executor 57195 334349 700 0 3 0xc000080 fsleep syz-executor 37432 367654 51269 0 2 0x8000000 syz-executor *37432 121065 51269 0 7 0xc000000 syz-executor 37432 18021 51269 0 3 0xc000080 fsleep syz-executor 72112 418896 26599 0 3 0x8000082 nanoslp syz-executor 67053 124737 26599 0 3 0x8000082 nanoslp syz-executor 700 63150 26599 0 3 0x8000082 nanoslp syz-executor 51269 408240 26599 0 3 0x8000082 nanoslp syz-executor 69419 2657 26599 0 2 0x8000002 syz-executor 59709 388960 26599 0 3 0x8000082 nanoslp syz-executor 37345 288044 26599 0 3 0x8000082 nanoslp syz-executor 99277 141793 26599 0 3 0x8000082 nanoslp syz-executor 45535 241800 0 0 3 0x14280 nfsidl nfsio 98943 14037 0 0 3 0x14280 nfsidl nfsio 44468 79253 0 0 3 0x14280 nfsidl nfsio 55899 183737 0 0 3 0x14280 nfsidl nfsio 91692 33012 0 0 3 0x14280 nfsidl nfsio 19701 168605 0 0 3 0x14280 nfsidl nfsio 69248 505019 0 0 3 0x14280 nfsidl nfsio 66426 195365 0 0 3 0x14280 nfsidl nfsio 52180 145797 0 0 3 0x14280 nfsidl nfsio 31946 189091 0 0 3 0x14280 nfsidl nfsio 9132 29296 0 0 3 0x14280 nfsidl nfsio 70262 439561 0 0 3 0x14280 nfsidl nfsio 41478 178065 0 0 3 0x14280 nfsidl nfsio 31648 365630 0 0 3 0x14280 nfsidl nfsio 27769 282928 0 0 3 0x14280 nfsidl nfsio 22920 321605 0 0 3 0x14280 nfsidl nfsio 53808 144963 0 0 3 0x14280 nfsidl nfsio 41793 221514 0 0 3 0x14280 nfsidl nfsio 62231 157636 0 0 3 0x14280 nfsidl nfsio 39158 479290 0 0 3 0x14280 nfsidl nfsio 56553 507409 1 0 3 0x18100083 ttyopn getty 65942 338197 0 0 3 0x14200 bored sosplice 26599 350445 91343 0 3 0x8000082 kqread syz-executor 91343 429183 99754 0 3 0x810008a sigsusp ksh 99754 410494 77195 0 3 0x18000098 kqread sshd-session 77195 178566 87636 0 3 0x18000092 kqread sshd-session 87636 455612 1 0 3 0x18000088 kqread sshd 94379 228906 33083 73 3 0x19100090 kqread syslogd 33083 478447 1 0 3 0x18100082 sbwait syslogd 26757 514578 1 0 3 0x18100080 kqread resolvd 53638 24483 86762 77 3 0x18100092 kqread dhcpleased 32324 226544 86762 77 3 0x18100092 kqread dhcpleased 86762 135164 1 0 3 0x18000080 kqread dhcpleased 18884 458662 0 0 3 0x14200 bored smr 62563 186258 0 0 2 0x14200 zerothread 29443 100147 0 0 3 0x14200 aiodoned aiodoned 99296 188085 0 0 3 0x14200 syncer update 80944 1847 0 0 3 0x14200 cleaner cleaner 3564 368777 0 0 3 0x14200 reaper reaper 35211 496697 0 0 3 0x14200 pgdaemon pagedaemon 52834 292577 0 0 3 0x14200 bored viomb 23816 455435 0 0 3 0x40014200 acpi0 acpi0 2893 325873 0 0 3 0x14200 bored softnet3 17553 44102 0 0 3 0x14200 bored softnet2 2937 391239 0 0 3 0x14200 bored softnet1 894 116665 0 0 3 0x14200 bored softnet0 93457 461490 0 0 3 0x14200 bored systqmp 41294 312863 0 0 3 0x14200 bored systq 23704 49409 0 0 3 0x40014200 tmoslp softclock 59818 426470 0 0 3 0x40014200 idle0 1 517459 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 10320K 14397K 166960K 16330 0 pcb 19 16K 18K 166960K 633 0 rtable 209 9K 10K 166960K 4295 0 pf 34 9K 13K 166960K 456 0 ifaddr 43 13K 14K 166960K 590 0 ifgroup 58 2K 2K 166960K 697 0 sysctl 3 1K 3K 166960K 10 0 counters 32 17K 18K 166960K 198 0 ioctlops 0 0K 4K 166960K 647 0 iov 0 0K 18K 166960K 359 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1481 93K 93K 166960K 5981 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 71 0 VM map 2 1K 1K 166960K 2 0 sem 19 2K 2K 166960K 122 0 dirhash 15 2K 3K 166960K 45 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 97K 166960K 4234 0 sigio 0 0K 0K 166960K 109 0 proc 58 59K 108K 166960K 3973 0 subproc 104 6K 7K 166960K 1717 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 365 0 in_multi 89 6K 7K 166960K 1507 0 ether_multi 1 0K 0K 166960K 32 0 mrt 1 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 2248 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 239 127K 130K 166960K 35572 0 UVM aobj 131 4K 4K 166960K 140 0 pinsyscall 38 76K 96K 166960K 8371 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 153 0 NDP 13 0K 2K 166960K 436 0 temp 76 6808K 6936K 166960K 174528 0 kqueue 13 20K 31K 166960K 449 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 714 0 711 4 3 1 3 0 8 0 rtentry 112 1514 0 1425 4 1 3 4 0 8 0 unpcb 144 4390 0 4373 14 8 6 7 0 8 5 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpqe 32 9 0 9 1 1 0 1 0 8 0 tcpcb 808 1255 0 1250 15 7 8 8 0 8 7 arp 88 268 0 252 1 0 1 1 0 8 0 ipq 40 16 0 16 1 0 1 1 0 8 1 ipqe 40 323 0 323 1 0 1 1 0 8 1 inpcb 352 5181 0 5169 22 13 9 13 0 8 7 nd6 104 424 0 402 1 0 1 1 0 8 0 pkpcb 40 152 0 152 2 1 1 1 0 8 1 kcovpl 48 132 0 124 1 0 1 1 0 8 0 ppxss 1072 23 0 23 3 2 1 1 0 8 1 pfstscr 40 6 0 6 1 1 0 1 0 8 0 pfrktable 1344 10 0 10 1 1 0 1 0 8 0 pfanchor 1288 7 0 5 1 0 1 1 0 8 0 pftag 88 8 0 8 1 1 0 1 0 8 0 pfstkey 128 6 0 6 1 1 0 1 0 8 0 pfstate 344 3 0 3 1 1 0 1 0 8 0 pfrule 1344 12 0 10 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 6095 0 5694 34 5 29 31 0 8 1 art_table 32 6097 0 5694 4 0 4 4 0 8 0 art_node 16 1510 0 1431 1 0 1 1 0 8 0 sysvmsgpl 40 50 0 45 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 115 0 98 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 39 0 20 3 0 3 3 0 8 0 dino2pl 256 6475 0 4746 109 0 109 109 0 8 0 ffsino 240 6475 0 4746 106 1 105 105 0 8 2 nchpl 144 10437 0 9678 70 41 29 64 0 8 0 uvmvnodes 80 7449 0 0 153 0 153 153 0 8 0 vnodes 216 7449 0 0 414 0 414 414 0 8 0 namei 1024 53207 0 53207 4 3 1 2 0 8 1 vcpupl 3904 9 0 1 1 0 1 1 0 8 0 vmpool 664 15 0 7 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 358 0 332 3 0 3 3 0 8 1 scsiplug 72 7 0 7 3 2 1 1 0 8 1 scxspl 216 84151 0 84151 16 14 2 8 1 8 2 plimitpl 152 1163 0 1145 1 0 1 1 0 8 0 sigapl 424 4287 0 4221 8 0 8 8 0 8 0 futexpl 64 52153 0 52145 1 0 1 1 0 8 0 knotepl 120 90831 0 90784 42 32 10 17 0 8 8 kqueuepl 184 1315 0 1306 13 6 7 7 0 8 6 pipepl 288 1190 0 1163 15 8 7 7 0 8 4 fdescpl 432 4248 0 4219 5 1 4 5 0 8 0 filepl 120 34372 0 34110 30 13 17 18 0 8 8 lockfpl 104 1313 0 1311 4 2 2 3 0 8 1 lockfspl 48 406 0 404 1 0 1 1 0 8 0 sessionpl 144 142 0 134 1 0 1 1 0 8 0 pgrppl 48 314 0 298 1 0 1 1 0 8 0 ucredpl 104 4933 0 4922 1 0 1 1 0 8 0 zombiepl 144 5429 0 5429 3 2 1 1 0 8 1 processpl 1088 4287 0 4221 5 0 5 5 0 8 0 procpl 648 8773 0 8695 8 0 8 8 0 8 1 sosppl 168 7 0 7 3 2 1 1 0 8 1 sockpl 504 10472 0 10440 186 173 13 41 0 8 8 mcl64k 65536 30 0 30 3 2 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 6 0 6 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 2 2 0 1 0 8 0 mcl8k 8192 152 0 152 2 1 1 1 0 8 1 mcl4k 4096 11 0 11 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 14975 0 14878 25 10 15 24 0 8 2 mtagpl 96 135 0 133 2 1 1 2 0 8 0 mbufpl 256 52187 0 51983 259 237 22 110 0 8 5 bufpl 280 15534 0 8085 533 0 533 533 0 8 0 anonpl 24 553421 0 545212 159 105 54 98 0 187 4 amapchunkpl 152 116347 0 115579 76 35 41 41 0 158 10 amappl16 200 8894 0 8865 72 62 10 27 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 351 0 341 1 0 1 1 0 8 0 amappl13 176 16 0 16 1 1 0 1 0 8 0 amappl12 168 6764 0 6735 3 1 2 3 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 10 0 10 1 1 0 1 0 8 0 amappl9 144 115 0 115 1 1 0 1 0 8 0 amappl8 136 30 0 29 1 0 1 1 0 8 0 amappl7 128 338 0 328 1 0 1 1 0 8 0 amappl6 120 1364 0 1361 1 0 1 1 0 8 0 amappl5 112 605 0 596 1 0 1 1 0 8 0 amappl4 104 647 0 629 1 0 1 1 0 8 0 amappl3 96 22492 0 22374 4 0 4 4 0 8 0 amappl2 88 2283 0 2226 2 0 2 2 0 8 0 amappl1 80 27019 0 26483 14 2 12 13 0 8 0 amappl 88 34174 0 33996 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 4263 0 4226 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4263 0 4226 1 0 1 1 0 8 0 vmmpekpl 168 37163 0 37103 4 0 4 4 0 8 0 vmmpepl 168 260962 0 259187 125 34 91 97 0 357 10 vmsppl 344 4262 0 4226 5 1 4 4 0 8 0 rwobjpl 24 79108 0 70646 52 0 52 52 0 8 0 pdppl 4096 8533 0 8460 295 220 75 83 0 8 2 pvpl 32 1950459 0 1923666 583 347 236 287 0 265 16 pmappl 216 4262 0 4226 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1070 0 671 14 0 14 14 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830a2e37) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8305a8b0,ffffffff8309fdb5,27f,ffffffff82ff37bd) at __assert+0x29 vdoom(fffffd807b9d55f0) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff800032676ae8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd807b9d55f0,ffff80002a52b988) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vclean(fffffd807b9d55f0,8,ffff80002a52b988) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd807b9d55f0,ffff80002a52b988) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff800032676c78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80748e3c00,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff800032677140,3,ffff80002a52b988) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806e9f2870,40287401,ffff800032677140,3,fffffd807f7d74e0,ffff80002a52b988) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ccc1ea0,40287401,ffff800032677140,ffff80002a52b988) at vn_ioctl+0xe8 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a52b988,ffff800032677320,ffff800032677270) at sys_ioctl+0x678 syscall(ffff800032677320) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb94d0678cb0, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830a2e37) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8305a8b0,ffffffff8309fdb5,27f,ffffffff82ff37bd) at __assert+0x29 vdoom(fffffd807b9d55f0) at vdoom+0x105 sys/kern/vfs_subr.c:641 ufs_inactive(ffff800032676ae8) at ufs_inactive+0x188 sys/ufs/ufs/ufs_inode.c:89 VOP_INACTIVE(fffffd807b9d55f0,ffff80002a52b988) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vclean(fffffd807b9d55f0,8,ffff80002a52b988) at vclean+0x234 sys/kern/vfs_subr.c:1107 vgonel(fffffd807b9d55f0,ffff80002a52b988) at vgonel+0xec sys/kern/vfs_subr.c:1197 vop_generic_revoke(ffff800032676c78) at vop_generic_revoke+0x32a sys/kern/vfs_default.c:105 VOP_REVOKE(fffffd80748e3c00,1) at VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 ptmioctl(5100,40287401,ffff800032677140,3,ffff80002a52b988) at ptmioctl+0x832 sys/kern/tty_pty.c:1172 VOP_IOCTL(fffffd806e9f2870,40287401,ffff800032677140,3,fffffd807f7d74e0,ffff80002a52b988) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806ccc1ea0,40287401,ffff800032677140,ffff80002a52b988) at vn_ioctl+0xe8 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002a52b988,ffff800032677320,ffff800032677270) at sys_ioctl+0x678 syscall(ffff800032677320) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb94d0678cb0, count: -16