uvm_fault(0xfffffd806c024b90, 0x18, 0, 1) -> e kernel: page fault trap, code=0 Stopped at mtx_enter+0x6e: movq 0(%r14),%rax TID PID UID PRFLAGS PFLAGS CPU COMMAND mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000149d530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000148bc00) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003453b250) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bb71a28,1,fffffd8007bfb6e8,ffff80002a922568) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806221bbd0,ffff80002a922568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806221bbd0,ffff80002a922568) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a922568) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a922568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a922568,ffff80003453b5b0,ffff80003453b500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003453b5b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003453b5b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787daf980b80, 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> show panic *cpu0: uvm_fault(0xfffffd806c024b90, 0x18, 0, 1) -> e ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000149d530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000148bc00) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003453b250) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bb71a28,1,fffffd8007bfb6e8,ffff80002a922568) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806221bbd0,ffff80002a922568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806221bbd0,ffff80002a922568) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a922568) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a922568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a922568,ffff80003453b5b0,ffff80003453b500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003453b5b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003453b5b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787daf980b80, count: -14 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003453b100 rbx 0 rdx 0 rcx 0xffff80002a922568 rax 0xffff80002a922500 r8 0x1 r9 0 r10 0x501cbd8d44c80945 r11 0x9b652e006f7df192 r12 0x1 r13 0 r14 0x18 r15 0 rip 0xffffffff82363a6e mtx_enter+0x6e cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff80003453b0d0 ss 0x10 mtx_enter+0x6e: movq 0(%r14),%rax ddb> show proc PROC (syz-executor) tid=275448 pid=75311 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a922568 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a922fc8,0xffff80002a923a38 process=0xffff8000ffff4930 user=0xffff800034536000, vmspace=0xfffffd806c024b90 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77894 319239 88908 0 2 0 syz-executor 77894 217884 88908 0 2 0x4000000 syz-executor 59623 384961 9331 60929 2 0x10 syz-executor 59623 379962 9331 60929 3 0x4000090 kqread syz-executor 59623 132809 9331 60929 3 0x4000090 fsleep syz-executor 25811 272787 3849 0 2 0 syz-executor 25811 178147 3849 0 3 0x4000080 bell syz-executor 25811 41349 3849 0 2 0x4000000 syz-executor 33670 46774 53545 0 3 0x80 nanoslp syz-executor 33670 453718 53545 0 3 0x4000080 sbwait syz-executor 33670 16122 53545 0 3 0x4000080 fsleep syz-executor 97232 59073 64247 0 3 0x80 nanoslp syz-executor 97232 184515 64247 0 3 0x4000080 ttyout syz-executor 97232 444013 64247 0 3 0x4000080 fsleep syz-executor 68130 167610 0 0 3 0x14200 acct acct 53545 315456 85931 0 3 0x82 nanoslp syz-executor 90238 153070 0 0 3 0x14280 nfsidl nfsio 69945 375177 0 0 3 0x14280 nfsidl nfsio 69552 256635 0 0 3 0x14280 nfsidl nfsio 26981 265674 0 0 3 0x14280 nfsidl nfsio 60340 349939 0 0 3 0x14280 nfsidl nfsio 48679 142659 0 0 3 0x14280 nfsidl nfsio 31123 175468 0 0 3 0x14280 nfsidl nfsio 74049 198282 0 0 3 0x14280 nfsidl nfsio 6743 480784 0 0 3 0x14280 nfsidl nfsio 93045 75282 0 0 3 0x14280 nfsidl nfsio 91803 259441 0 0 3 0x14280 nfsidl nfsio 32173 306186 0 0 3 0x14280 nfsidl nfsio 64013 137638 0 0 3 0x14280 nfsidl nfsio 64593 504003 0 0 3 0x14280 nfsidl nfsio 36450 468586 0 0 3 0x14280 nfsidl nfsio 52536 437606 0 0 3 0x14280 nfsidl nfsio 64164 375120 0 0 3 0x14280 nfsidl nfsio 20359 364767 0 0 3 0x14280 nfsidl nfsio 10105 175333 0 0 3 0x14280 nfsidl nfsio 2594 337511 0 0 3 0x14280 nfsidl nfsio 64247 425405 85931 0 3 0x82 nanoslp syz-executor 80220 480067 0 0 3 0x14200 bored sosplice 77617 47454 85931 0 3 0x82 wait syz-executor 96888 444084 85931 0 3 0x82 nanoslp syz-executor 3849 121722 85931 0 3 0x82 nanoslp syz-executor 9331 244440 85931 0 3 0x82 nanoslp syz-executor 88908 145989 85931 0 2 0x2 syz-executor 49947 174778 85931 0 3 0x82 nanoslp syz-executor 85931 305795 6607 0 3 0x82 kqread syz-executor 6607 339738 63397 0 3 0x10008a sigsusp ksh 63397 140441 60722 0 3 0x98 kqread sshd-session 60722 497569 91398 0 3 0x92 kqread sshd-session 7821 115561 1 0 3 0x100083 ttyopn getty 91398 476419 1 0 3 0x88 kqread sshd 14006 522587 47188 73 3 0x1100090 kqread syslogd 47188 449161 1 0 3 0x100082 sbwait syslogd 96113 29416 1 0 3 0x100080 kqread resolvd 97111 22863 51267 77 3 0x100092 kqread dhcpleased 88127 391671 51267 77 3 0x100092 kqread dhcpleased 51267 381478 1 0 3 0x80 kqread dhcpleased 64276 125536 0 0 3 0x14200 bored smr 39990 417231 0 0 2 0x14200 zerothread 21689 368787 0 0 3 0x14200 aiodoned aiodoned 37508 124997 0 0 3 0x14200 syncer update 19567 400337 0 0 3 0x14200 cleaner cleaner 88856 215979 0 0 3 0x14200 reaper reaper 28450 323932 0 0 3 0x14200 pgdaemon pagedaemon 36557 217429 0 0 3 0x14200 bored viomb 21802 181726 0 0 3 0x40014200 acpi0 acpi0 86818 131923 0 0 3 0x14200 bored softnet7 38248 7550 0 0 3 0x14200 bored softnet6 93993 502511 0 0 3 0x14200 bored softnet5 78369 149138 0 0 3 0x14200 bored softnet4 41241 379591 0 0 3 0x14200 bored softnet3 65003 417391 0 0 3 0x14200 bored softnet2 82848 128480 0 0 3 0x14200 bored softnet1 2249 217970 0 0 3 0x14200 bored softnet0 92393 100452 0 0 3 0x14200 bored systqmp 59126 79217 0 0 3 0x14200 bored systq 84691 185374 0 0 3 0x40014200 tmoslp softclock 45017 244450 0 0 3 0x40014200 idle0 1 106491 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11153K 15336K 166960K 11762 0 pcb 17 12K 12K 166960K 110 0 rtable 179 6K 7K 166960K 387 0 pf 30 13K 19K 166960K 92 0 ifaddr 39 7K 8K 166960K 81 0 ifgroup 46 2K 2K 166960K 108 0 sysctl 3 1K 9K 166960K 10 0 counters 31 17K 18K 166960K 57 0 ioctlops 0 0K 4K 166960K 94 0 iov 0 0K 12K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 1772 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 106K 166960K 549 0 sigio 0 0K 0K 166960K 10 0 proc 60 59K 100K 166960K 609 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 52 0 in_multi 91 6K 7K 166960K 163 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 413 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 235 143K 152K 166960K 6160 0 UVM aobj 17 6K 6K 166960K 20 0 pinsyscall 39 78K 94K 166960K 1647 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 11 0 NDP 10 0K 1K 166960K 53 0 temp 49 8637K 8891K 166960K 23603 0 kqueue 14 22K 28K 166960K 100 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 71 0 67 1 0 1 1 0 8 0 rtentry 136 142 0 66 4 0 4 4 0 8 0 unpcb 144 212 0 196 2 0 2 2 0 8 1 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 87 0 81 2 0 2 2 0 8 1 arp 88 16 0 6 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 364 0 350 3 1 2 2 0 8 0 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 104 26 0 11 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 17 0 17 1 0 1 1 0 8 1 pppxif 1384 3 0 3 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 2 0 2 1 0 1 1 0 8 1 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstkey 128 1 0 1 1 0 1 1 0 8 1 pfstate 384 1 0 1 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 699 0 299 29 0 29 29 0 8 1 art_table 40 700 0 299 5 0 5 5 0 8 0 art_node 32 141 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 17 0 3 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2310 0 802 95 0 95 95 0 8 0 ffsino 256 2310 0 802 95 0 95 95 0 8 0 nchpl 144 3021 0 1328 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 uvmvnodes 80 2607 0 0 54 0 54 54 0 8 0 vnodes 216 2607 0 0 145 0 145 145 0 8 0 namei 1024 9669 0 9669 3 2 1 2 0 8 1 kstatmem 264 60 0 40 2 0 2 2 0 8 0 scsiplug 72 6 0 6 1 0 1 1 0 8 1 scxspl 216 18166 0 18166 15 7 8 8 1 8 8 plimitpl 152 87 0 70 1 0 1 1 0 8 0 sigapl 424 841 0 769 10 1 9 9 0 8 0 knotepl 120 17631 0 17583 16 5 11 16 0 8 7 kqueuepl 184 143 0 132 1 0 1 1 0 8 0 pipepl 304 174 0 147 3 0 3 3 0 8 0 fdescpl 448 798 0 768 5 0 5 5 0 8 1 filepl 120 3873 0 3645 9 0 9 9 0 8 0 lockfpl 104 245 0 242 1 0 1 1 0 8 0 lockfspl 48 109 0 106 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 45 0 29 1 0 1 1 0 8 0 ucredpl 104 784 0 770 1 0 1 1 0 8 0 zombiepl 144 772 0 769 2 1 1 1 0 8 0 processpl 1152 841 0 769 7 1 6 6 0 8 0 procpl 664 1409 0 1328 8 0 8 8 0 8 0 sosppl 168 5 0 5 2 1 1 1 0 8 1 sockpl 552 665 0 631 5 1 4 4 0 8 1 mcl64k 65536 20 0 20 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 2 1 1 1 0 8 1 mcl4k 4096 2944 0 2893 16 8 8 15 0 8 1 mcl2k 2048 891 0 887 5 0 5 5 0 8 4 mtagpl 96 14 0 7 2 1 1 1 0 8 0 mbufpl 256 8201 0 8052 12 0 12 12 0 8 0 bufpl 280 8836 0 2608 445 0 445 445 0 8 0 anonpl 24 140216 0 136997 90 3 87 87 0 187 48 amapchunkpl 152 19608 0 19096 29 0 29 29 0 158 7 amappl16 200 2909 0 2875 44 28 16 38 0 8 8 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 105 0 95 1 0 1 1 0 8 0 amappl13 176 5 0 5 2 1 1 1 0 8 1 amappl12 168 1470 0 1440 3 1 2 3 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 285 0 285 1 1 0 1 0 8 0 amappl8 136 18 0 17 1 0 1 1 0 8 0 amappl7 128 98 0 88 1 0 1 1 0 8 0 amappl6 120 234 0 231 1 0 1 1 0 8 0 amappl5 112 119 0 112 1 0 1 1 0 8 0 amappl4 104 263 0 248 1 0 1 1 0 8 0 amappl3 96 3718 0 3601 4 0 4 4 0 8 0 amappl2 88 647 0 591 2 0 2 2 0 8 0 amappl1 80 9758 0 9205 13 0 13 13 0 8 0 amappl 88 5399 0 5228 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 128 258 0 258 2 1 1 1 0 8 1 dma64 64 7 0 7 2 1 1 1 0 8 1 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 19 0 3 1 0 1 1 0 8 0 uaddrrnd 24 798 0 768 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 798 0 768 1 0 1 1 0 8 0 vmmpekpl 168 7577 0 7541 2 0 2 2 0 8 0 vmmpepl 168 56160 0 54241 113 0 113 113 0 357 16 vmsppl 368 797 0 768 4 1 3 4 0 8 0 rwobjpl 40 19839 0 16352 39 0 39 39 0 8 0 pdppl 4096 1603 0 1536 99 30 69 81 0 8 2 pvpl 32 359166 0 350359 169 0 169 169 0 265 63 pmappl 216 797 0 768 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 378 0 45 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000149d530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000148bc00) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003453b250) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bb71a28,1,fffffd8007bfb6e8,ffff80002a922568) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806221bbd0,ffff80002a922568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806221bbd0,ffff80002a922568) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a922568) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a922568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a922568,ffff80003453b5b0,ffff80003453b500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003453b5b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003453b5b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787daf980b80, count: -14 ddb> machine ddbcpu 1 No such command ddb> trace mtx_enter(18) at mtx_enter+0x6e sys/kern/kern_lock.c:335 clockintr_unbind(ffff80000149d530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000148bc00) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80002a922568) at dtclose+0xd9 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003453b250) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806bb71a28,1,fffffd8007bfb6e8,ffff80002a922568) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806221bbd0,ffff80002a922568) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd806221bbd0,ffff80002a922568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806221bbd0,ffff80002a922568) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a922568) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a922568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a922568,ffff80003453b5b0,ffff80003453b500) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003453b5b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003453b5b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x787daf980b80, count: -14