uvm_fault(0xfffffd806b8e5208, 0x48, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND 24462 3210 0 0 0x4000000 1 syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000015de930,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000159e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3ce8a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d84a6c8,81,fffffd80097fb1a0,ffff80002a281ca0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b911498,ffff80002a281ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b911498,ffff80002a281ca0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a281ca0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a281ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a281ca0,ffff80002a3cec10,ffff80002a3ceb60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3cec10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3cec10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 end trace frame: 0xffff80002a3cec90, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806b8e5208, 0x48, 0, 1) -> e ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000015de930,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000159e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3ce8a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d84a6c8,81,fffffd80097fb1a0,ffff80002a281ca0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b911498,ffff80002a281ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b911498,ffff80002a281ca0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a281ca0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a281ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a281ca0,ffff80002a3cec10,ffff80002a3ceb60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3cec10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3cec10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eb48f7652f0, count: -15 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a3ce700 rbx 0 rdx 0 rcx 0xffff80002a281ca0 rax 0xffffffff837adffe cpu_info_full_primary+0x1ffe r8 0 r9 0 r10 0x3a3c8e4fe29150bf r11 0x6de096ac8465c11d r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff83186c95 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a3ce660 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{0}> show proc PROC (syz-executor) tid=438775 pid=30725 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a281ca0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800035bfc560,0xffff80002a280558 process=0xffff8000fffe7040 user=0xffff80002a3c9000, vmspace=0xfffffd806b8e5208 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89215 474092 0 0 3 0x14200 acct acct 3210 85142 10654 0 2 0 syz-executor 3210 495650 10654 0 3 0x4000000 inode syz-executor 3210 24462 10654 0 7 0x4000000 syz-executor 3210 419592 10654 0 3 0x4000080 fsleep syz-executor 39632 285056 95752 0 2 0 syz-executor 39632 271121 95752 0 2 0x4000000 syz-executor 39632 375570 95752 0 2 0x4000000 syz-executor 71320 334182 99716 0 3 0x80 nanoslp syz-executor 71320 315540 99716 0 3 0x4000080 kqread syz-executor 71320 159745 99716 0 3 0x4000080 fsleep syz-executor 75148 10051 61245 0 3 0x82 nanoslp syz-executor 46628 327446 61245 0 3 0x82 nanoslp syz-executor 73839 16678 15448 0 3 0x82 sbwait sshd-session 82689 307176 1 0 3 0x100083 ttyin getty 95752 438362 61245 0 3 0x82 nanoslp syz-executor 91664 372523 0 0 3 0x14200 bored sosplice 43045 22611 61245 0 3 0x82 nanoslp syz-executor 16292 221318 61245 0 3 0x82 nanoslp syz-executor 10654 43054 61245 0 3 0x82 nanoslp syz-executor 89947 316935 61245 0 3 0x82 nanoslp syz-executor 99716 421893 61245 0 3 0x82 nanoslp syz-executor 61245 122991 93727 0 3 0x82 kqread syz-executor 93727 207127 93333 0 3 0x10008a sigsusp ksh 93333 15167 7264 0 3 0x98 kqread sshd-session 7264 79820 15448 0 3 0x92 kqread sshd-session 15448 350225 1 0 3 0x88 kqread sshd 29665 323907 67895 74 3 0x1100092 bpf pflogd 67895 245958 1 0 3 0x80 sbwait pflogd 31970 254799 26784 73 3 0x1100090 kqread syslogd 26784 457399 1 0 3 0x100082 sbwait syslogd 53067 433591 1 0 3 0x100080 kqread resolvd 83184 180438 29409 77 3 0x100092 kqread dhcpleased 5216 244504 29409 77 3 0x100092 kqread dhcpleased 29409 244467 1 0 3 0x80 kqread dhcpleased 38929 324395 0 0 3 0x14200 bored smr 94218 49833 0 0 2 0x14200 zerothread 46589 313874 0 0 3 0x14200 aiodoned aiodoned 89522 300243 0 0 3 0x14200 syncer update 20000 451453 0 0 3 0x14200 cleaner cleaner 62440 501887 0 0 2 0x14200 reaper 97282 156404 0 0 3 0x14200 pgdaemon pagedaemon 14566 189658 0 0 3 0x14200 bored viomb 35982 165585 0 0 3 0x40014200 acpi0 acpi0 14720 94679 0 0 3 0x40014200 idle1 67056 472595 0 0 3 0x14200 bored softnet1 56680 168941 0 0 3 0x14200 bored softnet0 75930 81602 0 0 3 0x14200 bored systqmp 79383 462662 0 0 3 0x14200 bored systq 85047 64640 0 0 3 0x14200 tmoslp softclockmp 58528 127405 0 0 3 0x40014200 tmoslp softclock 47709 356842 0 0 3 0x40014200 idle0 1 473552 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 3210 (syz-executor) thread 0xffff800035bfda20 (24462) exclusive rrwlock inode r = 0 (0xfffffd8079c06490) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 unp_connect+0x29d sys/kern/uipc_usrreq.c:872 #8 sys_connect+0x3f2 sys/kern/uipc_syscalls.c:420 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #10 Xsyscall+0x128 Process 39632 (syz-executor) thread 0xffff800035bfc560 (271121) exclusive rrwlock inode r = 0 (0xfffffd806e987b40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 39632 (syz-executor) thread 0xffff8000fffe9a18 (375570) exclusive rwlock vmmaplk r = 0 (0xfffffd806b8e56d8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918 #4 uvm_fault_check+0x895 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #4 uvm_fault_check+0x895 sys/uvm/uvm_fault.c:784 #5 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #8 recall_trap+0x8 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10248 11087K 11755K 166960K 13809 0 pcb 17 14K 16K 166960K 528 0 rtable 226 8K 8K 166960K 526 0 pf 34 17K 67485K 166960K 178 0 ifaddr 39 7K 8K 166960K 124 0 ifgroup 51 2K 2K 166960K 219 0 sysctl 4 1K 9K 166960K 25 0 counters 66 36K 37K 166960K 352 0 ioctlops 0 0K 4K 166960K 1988 0 iov 0 0K 24K 166960K 138 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1428 90K 90K 166960K 3015 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 149 0 dirhash 12 2K 2K 166960K 54 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 97K 166960K 1712 0 sigio 0 0K 0K 166960K 68 0 proc 72 115K 196K 166960K 765 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 211 0 in_multi 88 6K 7K 166960K 220 0 ether_multi 1 0K 0K 166960K 10 0 mrt 2 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 748 0 fusefs mount 1 32K 32K 166960K 1 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 276 173K 183K 166960K 17700 0 UVM aobj 90 3K 3K 166960K 96 0 pinsyscall 45 90K 106K 166960K 2957 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 161 0 NDP 11 0K 1K 166960K 92 0 temp 78 8652K 8736K 166960K 99995 0 kqueue 15 22K 29K 166960K 327 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 202 0 197 2 1 1 2 0 8 0 rtentry 176 184 0 86 5 0 5 5 0 8 0 unpcb 144 1205 0 1184 8 5 3 4 0 8 2 syncache 336 16 0 16 5 4 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 529 0 522 12 10 2 7 0 8 1 arp 136 19 0 9 1 0 1 1 0 8 0 inpcb 328 1833 0 1822 19 17 2 12 0 8 0 nd6 144 45 0 22 1 0 1 1 0 8 0 pkpcb 40 13 0 13 3 2 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 mppekey 1024 5 0 5 2 1 1 1 0 8 1 ppxss 1192 121 0 121 3 2 1 1 0 8 1 pppxif 1504 69 0 69 3 3 0 1 0 8 0 pffrag 232 7 0 3 1 0 1 1 0 482 0 pffrnode 88 7 0 3 1 0 1 1 0 8 0 pffrent 40 15 0 11 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfstitem 24 94 0 42 1 0 1 1 0 8 0 pfstkey 128 94 0 42 2 0 2 2 0 8 0 pfstate 384 94 0 42 6 0 6 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 8 0 8 5 4 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1193 0 654 45 10 35 37 0 8 0 art_table 40 1195 0 654 6 0 6 6 0 8 0 art_node 32 184 0 96 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 3 1 0 1 1 0 8 0 semapl 112 143 0 133 1 0 1 1 0 8 0 shmpl 112 93 0 6 3 0 3 3 0 8 0 dirhash 1024 46 0 29 3 0 3 3 0 8 0 dino2pl 256 4702 0 3189 96 0 96 96 0 8 0 ffsino 296 4702 0 3189 117 0 117 117 0 8 0 nchpl 144 7120 0 5418 64 0 64 64 0 8 0 rtmask 32 8 0 8 5 4 1 1 0 8 1 uvmvnodes 80 5646 0 0 116 0 116 116 0 8 0 vnodes 216 5646 0 0 314 0 314 314 0 8 0 namei 1024 25291 0 25289 2 1 1 2 0 8 0 percpumem 16 191 0 143 1 0 1 1 0 8 0 kstatmem 264 136 0 112 4 2 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 10 0 10 4 3 1 1 0 8 1 scxspl 216 46950 0 46950 13 10 3 8 1 8 3 plimitpl 152 320 0 303 1 0 1 1 0 8 0 sigapl 424 2040 0 1989 10 3 7 9 0 8 0 knotepl 120 557 0 0 17 0 17 17 0 8 0 kqueuepl 224 725 0 713 10 8 2 5 0 8 1 pipepl 344 280 0 253 4 1 3 4 0 8 0 fdescpl 528 1997 0 1967 3 0 3 3 0 8 0 filepl 160 14026 0 13801 23 9 14 18 0 8 2 lockfpl 104 822 0 820 2 1 1 2 0 8 0 lockfspl 48 335 0 333 1 0 1 1 0 8 0 sessionpl 144 39 0 29 1 0 1 1 0 8 0 pgrppl 48 87 0 69 1 0 1 1 0 8 0 ucredpl 104 2727 0 2713 1 0 1 1 0 8 0 zombiepl 144 2204 0 2199 1 0 1 1 0 8 0 processpl 1232 2040 0 1989 6 1 5 6 0 8 0 procpl 664 4765 0 4706 8 2 6 8 0 8 0 sosppl 168 15 0 15 4 3 1 1 0 8 1 sockpl 752 3398 0 3361 31 23 8 17 0 8 3 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 237 0 0 15 0 15 15 0 8 0 bufpl 280 19461 0 13317 441 1 440 440 0 8 0 anonpl 32 19577 0 0 158 0 158 158 0 246 0 amapchunkpl 152 61117 0 60471 47 11 36 36 0 158 8 amappl16 200 7998 0 7919 62 43 19 46 0 8 4 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 147 0 134 1 0 1 1 0 8 0 amappl13 176 10 0 10 2 2 0 1 0 8 0 amappl12 168 2719 0 2686 4 2 2 3 0 8 0 amappl11 160 48 0 34 1 0 1 1 0 8 0 amappl10 152 19 0 19 1 1 0 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 125 0 112 1 0 1 1 0 8 0 amappl6 120 226 0 221 1 0 1 1 0 8 0 amappl5 112 139 0 129 1 0 1 1 0 8 0 amappl4 104 366 0 343 1 0 1 1 0 8 0 amappl3 96 10341 0 10232 4 1 3 3 0 8 0 amappl2 88 2318 0 2232 3 0 3 3 0 8 0 amappl1 80 17474 0 16783 18 2 16 16 0 8 0 amappl 88 16603 0 16406 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 128 254 0 254 2 2 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 95 0 6 2 0 2 2 0 8 0 uaddrrnd 24 1997 0 1964 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1997 0 1964 1 0 1 1 0 8 0 vmmpekpl 168 17858 0 17812 3 0 3 3 0 8 0 vmmpepl 168 133930 0 131678 141 11 130 133 0 357 17 vmsppl 488 1996 0 1964 7 2 5 5 0 8 0 rwobjpl 80 43573 0 36721 147 2 145 145 0 8 0 pdppl 4096 4002 0 3928 130 54 76 88 0 8 2 pvpl 32 28715 0 0 233 1 232 232 0 265 0 pmappl 256 1996 0 1964 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 340 0 82 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000015de930,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000159e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80002a281ca0) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3ce8a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800d84a6c8,81,fffffd80097fb1a0,ffff80002a281ca0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b911498,ffff80002a281ca0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b911498,ffff80002a281ca0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b911498,ffff80002a281ca0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a281ca0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a281ca0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a281ca0,ffff80002a3cec10,ffff80002a3ceb60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3cec10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3cec10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7eb48f7652f0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299fdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff838a6868) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838a6868) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838a6868,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83871cb0,9) at pool_get+0x27e sys/kern/subr_pool.c:591 cache_enter(fffffd807958dca8,0,ffff80002a378220) at cache_enter+0x131 sys/kern/vfs_cache.c:361 ufs_lookup() at ufs_lookup+0x152e sys/ufs/ufs/ufs_lookup.c:424 VOP_LOOKUP(fffffd807958dca8,ffff80002a3781f0,ffff80002a378220) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a3781c0) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a3781c0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd2018,fffffd806b8fe500,ffff800035bfda20) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 sys_connect(ffff800035bfda20,ffff80002a378440,ffff80002a378390) at sys_connect+0x3f2 sys/kern/uipc_syscalls.c:420 syscall(ffff80002a378440) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a378440) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 end trace frame: 0xffff80002a3784c0, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299fdff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff838a6868) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838a6868) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff838a6868,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83871cb0,9) at pool_get+0x27e sys/kern/subr_pool.c:591 cache_enter(fffffd807958dca8,0,ffff80002a378220) at cache_enter+0x131 sys/kern/vfs_cache.c:361 ufs_lookup() at ufs_lookup+0x152e sys/ufs/ufs/ufs_lookup.c:424 VOP_LOOKUP(fffffd807958dca8,ffff80002a3781f0,ffff80002a378220) at VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 vfs_lookup(ffff80002a3781c0) at vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 namei(ffff80002a3781c0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd2018,fffffd806b8fe500,ffff800035bfda20) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 sys_connect(ffff800035bfda20,ffff80002a378440,ffff80002a378390) at sys_connect+0x3f2 sys/kern/uipc_syscalls.c:420 syscall(ffff80002a378440) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a378440) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4534785c4d0, count: -15