uvm_fault(0xfffffd805ecf89c0, 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 15391 98429 -1 0x10 0 0 syz-executor witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015aa430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000160a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003bbff420) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f8b56d8,2,fffffd80097fd2d8,ffff8000fffeefa8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c86f900,ffff8000fffeefa8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c86f900,ffff8000fffeefa8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeefa8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeefa8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeefa8,ffff80003bbff790,ffff80003bbff6e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003bbff790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbff790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003bbff810, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd805ecf89c0, 0x48, 0, 1) -> e ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015aa430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000160a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003bbff420) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f8b56d8,2,fffffd80097fd2d8,ffff8000fffeefa8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c86f900,ffff8000fffeefa8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c86f900,ffff8000fffeefa8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeefa8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeefa8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeefa8,ffff80003bbff790,ffff80003bbff6e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003bbff790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbff790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c70cdafa580, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003bbff240 rbx 0 rdx 0 rcx 0xffff8000fffeefa8 rax 0xffff8000299ddffe r8 0 r9 0x1 r10 0xfcb39ae09c01a456 r11 0xa7ecc1a59e43eb16 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff82eebbd5 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003bbff1a0 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=137671 pid=21070 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffeefa8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffef240,0xffff80003c425508 process=0xffff80002a3bd828 user=0xffff80003bbfa000, vmspace=0xfffffd805ecf89c0 estcpu=36, cpticks=6, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27939 119448 55806 0 3 0 vmmaplk syz-executor 27939 435203 55806 0 2 0x4000000 syz-executor 98429 15391 61249 -1 7 0x10 syz-executor 98429 299196 61249 -1 2 0x4000090 syz-executor 21753 181352 67038 0 3 0x80 nanoslp syz-executor 21753 62036 67038 0 3 0x4000080 pppxread syz-executor 21753 154397 67038 0 3 0x4000080 pppxread syz-executor 21753 58281 67038 0 3 0x4000080 fsleep syz-executor 33634 479192 37220 0 3 0x80 nanoslp syz-executor 33634 114688 37220 0 2 0x4000000 syz-executor 33634 45016 37220 0 3 0x4000080 fsleep syz-executor 33634 380173 37220 0 3 0x4000080 fsleep syz-executor 22840 377817 94793 -1 3 0x90 nanoslp syz-executor 22840 433360 94793 -1 3 0x4000090 sbwait syz-executor 22840 306268 94793 -1 3 0x4000090 fsleep syz-executor 65793 116649 3091 0 3 0x2 biowait syz-executor 5950 388731 52467 0 3 0x3000 suspend syz-executor 5950 364029 52467 0 2 0x4081000 syz-executor 5950 130882 52467 0 3 0x4081000 inode syz-executor 5950 396945 52467 0 3 0x4081000 inode syz-executor 89603 333892 0 0 3 0x14200 acct acct 89753 259207 1 0 3 0x100083 ttyin getty 61249 411346 3091 0 3 0x82 nanoslp syz-executor 55806 440662 3091 0 3 0x82 nanoslp syz-executor 37220 52057 3091 0 3 0x82 nanoslp syz-executor 67038 266970 3091 0 3 0x82 nanoslp syz-executor 94793 325515 3091 0 3 0x82 nanoslp syz-executor 52467 220809 3091 0 3 0x82 wait syz-executor 80218 350350 3091 0 3 0x82 nanoslp syz-executor 3091 463324 5220 0 3 0x82 kqread syz-executor 5220 134532 88398 0 3 0x10008a sigsusp ksh 88398 260347 32170 0 3 0x98 kqread sshd-session 32170 422083 6510 0 3 0x92 kqread sshd-session 6510 77059 1 0 3 0x88 kqread sshd 66173 76141 802 74 3 0x1100092 bpf pflogd 802 39666 1 0 3 0x80 sbwait pflogd 35295 368784 36480 73 3 0x1100090 kqread syslogd 36480 274717 1 0 3 0x100082 sbwait syslogd 71255 438196 1 0 3 0x100080 kqread resolvd 8368 91593 5158 77 3 0x100092 kqread dhcpleased 25146 294959 5158 77 3 0x100092 kqread dhcpleased 5158 352652 1 0 3 0x80 kqread dhcpleased 55483 66403 0 0 3 0x14200 bored smr 56446 477725 0 0 3 0x14200 pgzero zerothread 88014 286120 0 0 3 0x14200 aiodoned aiodoned 15670 461500 0 0 3 0x14200 syncer update 99125 264383 0 0 3 0x14200 cleaner cleaner 42086 161227 0 0 2 0x14200 reaper 22115 230791 0 0 3 0x14200 pgdaemon pagedaemon 76817 514772 0 0 3 0x14200 bored viomb 84369 128887 0 0 3 0x40014200 acpi0 acpi0 21714 207924 0 0 3 0x40014200 idle1 11385 216984 0 0 3 0x14200 bored softnet1 31192 229849 0 0 3 0x14200 bored softnet0 47480 92440 0 0 3 0x14200 bored systqmp 35975 310770 0 0 3 0x14200 bored systq 71457 248091 0 0 3 0x14200 tmoslp softclockmp 19328 202972 0 0 3 0x40014200 tmoslp softclock 8583 518487 0 0 3 0x40014200 idle0 1 52582 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 27939 (syz-executor) thread 0xffff80003c424d30 (435203) exclusive rwlock vmmaplk r = 0 (0xfffffd805ecf86f0) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 98429 (syz-executor) thread 0xffff80003c4254f8 (15391) shared rwlock uobjlk r = 0 (0xfffffd806e9e5898) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd805ecf8e90) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 33634 (syz-executor) thread 0xffff80003c424568 (114688) exclusive rrwlock inode r = 0 (0xfffffd806e750790) #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+0xbd 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:775 #9 Xsyscall+0x128 Process 65793 (syz-executor) thread 0xffff8000fffefa08 (116649) exclusive rrwlock inode r = 0 (0xfffffd805f0b1ec8) #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+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805f0b1338) #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+0xbd 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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 5950 (syz-executor) thread 0xffff80003c4242d0 (364029) exclusive rrwlock inode r = 0 (0xfffffd806e7a4118) #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+0xbd 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:775 #9 Xsyscall+0x128 Process 5950 (syz-executor) thread 0xffff80003c424800 (130882) exclusive rrwlock inode r = 0 (0xfffffd806ce67c68) #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+0xbd 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 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 Process 42086 (reaper) thread 0xffff8000ffffd4c8 (161227) exclusive rwlock kmmaplk r = 0 (0xffffffff8394a580) #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:5165 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:714 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1ca sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11077 12119K 12397K 166960K 12888 0 pcb 18 13K 14K 166960K 202 0 rtable 195 9K 9K 166960K 519 0 pf 36 18K 18K 166960K 121 0 ifaddr 36 6K 7K 166960K 100 0 ifgroup 56 2K 2K 166960K 148 0 sysctl 4 1K 9K 166960K 15 0 counters 70 37K 37K 166960K 200 0 ioctlops 0 0K 4K 166960K 1605 0 iov 0 0K 20K 166960K 46 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1371 86K 87K 166960K 2043 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 15 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 908 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 164K 166960K 664 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 81 0 in_multi 77 5K 7K 166960K 155 0 ether_multi 2 0K 0K 166960K 8 0 mrt 2 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 551 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 251 159K 174K 166960K 10436 0 UVM aobj 57 14K 16K 166960K 62 0 pinsyscall 42 84K 108K 166960K 2077 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 62 0 NDP 14 0K 2K 166960K 70 0 temp 57 8683K 8757K 166960K 37304 0 kqueue 13 20K 34K 166960K 208 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 86 0 83 1 0 1 1 0 8 0 rtentry 176 147 0 71 5 0 5 5 0 8 0 unpcb 144 677 0 658 6 5 1 6 0 8 0 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpcb 736 231 0 226 4 3 1 4 0 8 0 arp 136 22 0 9 1 0 1 1 0 8 0 inpcb 328 990 0 980 17 15 2 10 0 8 0 nd6 152 30 0 13 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 5 0 5 3 2 1 1 0 8 1 ppxss 1192 58 0 58 1 0 1 1 0 8 1 pppxif 1504 3 0 3 2 1 1 1 0 8 1 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 10 0 5 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 pfrule 1360 6 0 3 1 0 1 1 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 774 0 415 31 5 26 31 0 8 2 art_table 40 775 0 415 5 0 5 5 0 8 0 art_node 32 147 0 81 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 22 0 9 1 0 1 1 0 8 0 shmpl 112 54 0 5 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3198 0 1683 96 0 96 96 0 8 0 ffsino 296 3198 0 1683 118 0 118 118 0 8 0 nchpl 144 4428 0 2722 64 0 64 64 0 8 0 rtmask 32 11 0 11 3 2 1 1 0 8 1 vnodes 216 3573 0 0 199 0 199 199 0 8 0 namei 1024 14919 0 14916 2 1 1 2 0 8 0 percpumem 16 115 0 65 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 848 5 0 0 1 0 1 1 0 8 0 kstatmem 264 104 0 76 4 1 3 3 0 8 0 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 27922 0 27921 13 11 2 8 1 8 1 plimitpl 152 406 0 386 1 0 1 1 0 8 0 sigapl 424 1244 0 1196 8 2 6 8 0 8 0 knotepl 120 472 0 0 15 0 15 15 0 8 0 kqueuepl 224 324 0 315 3 2 1 2 0 8 0 pipepl 344 314 0 287 9 6 3 9 0 8 0 fdescpl 528 1202 0 1171 3 0 3 3 0 8 0 filepl 160 7686 0 7464 23 12 11 17 0 8 0 lockfpl 104 561 0 559 2 1 1 2 0 8 0 lockfspl 48 126 0 124 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 104 1175 0 1159 1 0 1 1 0 8 0 zombiepl 144 1264 0 1262 2 1 1 1 0 8 0 processpl 1232 1244 0 1196 6 2 4 6 0 8 0 procpl 664 2629 0 2567 8 2 6 8 0 8 0 sosppl 176 8 0 8 4 3 1 1 0 8 1 sockpl 752 1769 0 1737 28 23 5 18 0 8 1 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 137 0 0 18 1 17 18 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1181 0 0 73 0 73 73 0 8 0 bufpl 280 11121 0 4983 439 0 439 439 0 8 0 anonpl 32 13787 0 0 112 0 112 112 0 246 0 amapchunkpl 152 34513 0 33994 45 22 23 33 0 158 2 amappl16 200 5082 0 4903 50 40 10 32 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 7 0 7 2 2 0 1 0 8 0 amappl13 176 436 0 435 1 0 1 1 0 8 0 amappl12 168 1601 0 1559 3 0 3 3 0 8 0 amappl11 160 6 0 6 2 2 0 1 0 8 0 amappl10 152 64 0 50 1 0 1 1 0 8 0 amappl9 144 258 0 257 1 0 1 1 0 8 0 amappl8 136 83 0 81 1 0 1 1 0 8 0 amappl7 128 84 0 82 1 0 1 1 0 8 0 amappl6 120 297 0 284 1 0 1 1 0 8 0 amappl5 112 79 0 68 1 0 1 1 0 8 0 amappl4 104 442 0 412 1 0 1 1 0 8 0 amappl3 96 5831 0 5736 4 1 3 3 0 8 0 amappl2 88 1396 0 1319 2 0 2 2 0 8 0 amappl1 80 13111 0 12513 15 1 14 15 0 8 0 amappl 88 9521 0 9346 5 0 5 5 0 92 0 uvmvnodes 80 137 0 0 3 0 3 3 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 61 0 5 2 0 2 2 0 8 0 uaddrrnd 24 1202 0 1171 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1202 0 1171 1 0 1 1 0 8 0 vmmpekpl 168 12196 0 12156 3 0 3 3 0 8 0 vmmpepl 168 84270 0 82185 122 27 95 115 0 357 0 vmsppl 488 1201 0 1171 8 3 5 5 0 8 0 rwobjpl 80 25847 0 24568 36 3 33 36 0 8 0 pdppl 4096 2422 0 2347 122 43 79 88 0 8 4 pvpl 32 23234 0 0 189 1 188 188 0 265 0 pmappl 256 1206 0 1171 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 372 0 63 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8389eff0) 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 end of kernel end trace frame: 0x75ac34d09080, count: 12 ddb{0}> trace x86_ipi_db(ffffffff8389eff0) 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 end of kernel end trace frame: 0x75ac34d09080, count: -3 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0xb5: movl 0x20(%r14),%r15d witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015aa430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000160a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003bbff420) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f8b56d8,2,fffffd80097fd2d8,ffff8000fffeefa8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c86f900,ffff8000fffeefa8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c86f900,ffff8000fffeefa8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeefa8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeefa8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeefa8,ffff80003bbff790,ffff80003bbff6e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003bbff790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbff790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003bbff810, count: 0 ddb{1}> trace witness_checkorder(28,9,0) at witness_checkorder+0xb5 sys/kern/subr_witness.c:779 mtx_enter(18) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015aa430,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000160a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeefa8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003bbff420) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f8b56d8,2,fffffd80097fd2d8,ffff8000fffeefa8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c86f900,ffff8000fffeefa8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c86f900,ffff8000fffeefa8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c86f900,ffff8000fffeefa8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeefa8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeefa8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeefa8,ffff80003bbff790,ffff80003bbff6e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003bbff790) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bbff790) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c70cdafa580, count: -15