uvm_fault(0xfffffd806e3df3e0, 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 296433 94750 0 0x2 0x1 0 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(ffff800010fde530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001632000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800035fece50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805ae90ea8,2,fffffd80097fb270,ffff8000fffeed10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8068231a40,ffff8000fffeed10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068231a40,ffff8000fffeed10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeed10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeed10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeed10,ffff800035fed1c0,ffff800035fed110) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fed1c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fed1c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff800035fed240, 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(0xfffffd806e3df3e0, 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800010fde530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001632000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800035fece50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805ae90ea8,2,fffffd80097fb270,ffff8000fffeed10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8068231a40,ffff8000fffeed10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068231a40,ffff8000fffeed10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeed10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeed10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeed10,ffff800035fed1c0,ffff800035fed110) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fed1c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fed1c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e4a1ae967d0, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800035feccb0 rbx 0 rdx 0 rcx 0xffff8000fffeed10 rax 0xffff8000299edffe r8 0xffffffffffffffff r9 0x1 r10 0x6bfc9ef345ecb5b2 r11 0x5f0a649b9c5fae80 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff81c4ff75 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800035fecc10 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=293055 pid=79701 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffeed10 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffeefa8,0xffffffff8388d738 process=0xffff80003c4e61e0 user=0xffff800035fe8000, vmspace=0xfffffd806e3df3e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6685 472912 94750 0 3 0x80 nanoslp syz-executor 6685 312633 94750 0 3 0x4000080 kqsel syz-executor 6685 430945 94750 0 3 0x4000080 fsleep syz-executor 47236 442479 69719 0 3 0x80 nanoslp syz-executor 47236 279472 69719 0 3 0x4000080 tunread syz-executor 55238 195531 29215 0 3 0x80 nanoslp syz-executor 55238 88079 29215 0 3 0x4000080 kqsel syz-executor 55238 125319 29215 0 3 0x4000080 fsleep syz-executor 62884 211512 44753 0 3 0x80 nanoslp syz-executor 62884 361581 44753 0 3 0x4000080 ttyin syz-executor 62884 303247 44753 0 3 0x4000080 fsleep syz-executor 79543 366868 58935 0 3 0x80 fsleep syz-executor 79543 46804 58935 0 3 0x4000080 ttyin syz-executor 24209 365628 0 0 3 0x14280 nfsidl nfsio 23059 133260 0 0 3 0x14280 nfsidl nfsio 75420 294830 0 0 3 0x14280 nfsidl nfsio 22514 166320 0 0 3 0x14280 nfsidl nfsio 7928 187984 0 0 3 0x14280 nfsidl nfsio 17303 374315 0 0 3 0x14280 nfsidl nfsio 45631 458907 0 0 3 0x14280 nfsidl nfsio 18487 460325 0 0 3 0x14280 nfsidl nfsio 74779 33201 0 0 3 0x14280 nfsidl nfsio 50235 110026 0 0 3 0x14280 nfsidl nfsio 42243 191817 0 0 3 0x14280 nfsidl nfsio 62766 37609 0 0 3 0x14280 nfsidl nfsio 24634 360519 0 0 3 0x14280 nfsidl nfsio 87658 191488 0 0 3 0x14280 nfsidl nfsio 80417 38466 0 0 3 0x14280 nfsidl nfsio 976 17393 0 0 3 0x14280 nfsidl nfsio 60262 286671 0 0 3 0x14280 nfsidl nfsio 69385 176954 0 0 3 0x14280 nfsidl nfsio 24222 55888 0 0 3 0x14280 nfsidl nfsio 32598 339448 0 0 3 0x14280 nfsidl nfsio 30990 166910 1 0 3 0x100083 ttyin getty 94750 296433 30900 0 7 0x3 syz-executor 79700 430940 0 0 3 0x14200 bored sosplice 58935 181941 30900 0 3 0x82 nanoslp syz-executor 44753 14969 30900 0 3 0x82 nanoslp syz-executor 7704 104662 30900 0 3 0x2 biowait syz-executor 96843 335726 30900 0 3 0x82 nanoslp syz-executor 77297 258638 30900 0 3 0x82 nanoslp syz-executor 29215 486400 30900 0 3 0x82 nanoslp syz-executor 69719 154779 30900 0 3 0x82 nanoslp syz-executor 30900 398734 57237 0 3 0x82 kqread syz-executor 57237 198574 71749 0 3 0x10008a sigsusp ksh 71749 187732 26864 0 3 0x98 kqread sshd-session 26864 398114 45111 0 3 0x92 kqread sshd-session 45111 178183 1 0 3 0x88 kqread sshd 25546 481066 23164 74 3 0x1100092 bpf pflogd 23164 422859 1 0 3 0x80 sbwait pflogd 22961 88819 79998 73 3 0x1100090 kqread syslogd 79998 515401 1 0 3 0x100082 sbwait syslogd 17498 442599 1 0 3 0x100080 kqread resolvd 58457 80609 77893 77 3 0x100092 kqread dhcpleased 67599 341563 77893 77 3 0x100092 kqread dhcpleased 77893 424269 1 0 3 0x80 kqread dhcpleased 67242 464452 0 0 3 0x14200 bored smr 71647 83007 0 0 3 0x14200 pgzero zerothread 45135 178391 0 0 3 0x14200 aiodoned aiodoned 53207 155782 0 0 3 0x14200 syncer update 56556 330891 0 0 3 0x14200 cleaner cleaner 90274 404511 0 0 3 0x14200 reaper reaper 24805 86418 0 0 3 0x14200 pgdaemon pagedaemon 87443 279623 0 0 3 0x14200 bored viomb 70525 152673 0 0 3 0x40014200 acpi0 acpi0 62805 129741 0 0 3 0x40014200 idle1 72336 483648 0 0 3 0x14200 bored softnet1 99048 152995 0 0 3 0x14200 bored softnet0 42226 103212 0 0 3 0x14200 bored systqmp 63295 363703 0 0 3 0x14200 bored systq 2233 174746 0 0 3 0x14200 tmoslp softclockmp 23538 477205 0 0 3 0x40014200 tmoslp softclock 31446 511161 0 0 3 0x40014200 idle0 1 439803 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 47236 (syz-executor) thread 0xffff80003c4e2fc8 (279472) exclusive rrwlock inode r = 0 (0xfffffd806e77b358) #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 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xc42 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 7704 (syz-executor) thread 0xffff8000fffefca0 (104662) exclusive rrwlock inode r = 0 (0xfffffd805aa5d338) #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 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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806fd9cb38) #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 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:748 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10240 11380K 11702K 166960K 12696 0 pcb 18 15K 16K 166960K 235 0 rtable 219 9K 9K 166960K 374 0 pf 45 19K 21K 166960K 137 0 ifaddr 46 8K 8K 166960K 87 0 ifgroup 64 2K 2K 166960K 142 0 sysctl 4 1K 9K 166960K 9 0 counters 76 37K 38K 166960K 160 0 ioctlops 0 0K 4K 166960K 1815 0 iov 0 0K 24K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1466 92K 92K 166960K 2319 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 620K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 46 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 970 0 sigio 0 0K 0K 166960K 79 0 proc 72 115K 180K 166960K 683 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 223 0 in_multi 102 7K 7K 166960K 151 0 ether_multi 1 0K 0K 166960K 14 0 mrt 2 0K 0K 166960K 9 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 591 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 151K 178K 166960K 10548 0 UVM aobj 86 7K 7K 166960K 86 0 pinsyscall 42 84K 99K 166960K 2112 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 36 0 NDP 15 0K 1K 166960K 58 0 temp 63 8652K 8717K 166960K 42861 0 kqueue 16 24K 32K 166960K 197 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 89 0 86 1 0 1 1 0 8 0 rtentry 176 117 0 24 5 0 5 5 0 8 0 unpcb 144 590 0 572 6 4 2 4 0 8 1 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 736 351 0 347 8 6 2 7 0 8 1 arp 136 12 0 2 1 0 1 1 0 8 0 inpcb 328 1062 0 1050 12 8 4 10 0 8 2 nd6 152 20 0 3 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1192 35 0 32 1 0 1 1 0 8 0 pppxif 1504 6 0 6 2 1 1 1 0 8 1 pffrag 232 5 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 18 0 15 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 8 0 8 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 54 0 19 1 0 1 1 0 8 0 pfstkey 128 56 0 22 2 0 2 2 0 8 0 pfstate 384 54 0 21 6 1 5 6 0 8 0 pfrule 1344 29 0 22 2 0 2 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 535 0 102 28 0 28 28 0 8 0 art_table 40 537 0 102 5 0 5 5 0 8 0 art_node 32 116 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 41 0 31 1 0 1 1 0 8 0 shmpl 112 83 0 0 3 0 3 3 0 8 0 dirhash 1024 26 0 9 3 0 3 3 0 8 0 dino2pl 256 3265 0 1748 96 0 96 96 0 8 0 ffsino 296 3265 0 1748 118 0 118 118 0 8 0 nchpl 144 4638 0 2937 64 0 64 64 0 8 0 rtmask 32 6 0 6 2 1 1 1 0 8 1 uvmvnodes 80 3930 0 0 81 0 81 81 0 8 0 vnodes 216 3930 0 0 219 0 219 219 0 8 0 namei 1024 15702 0 15701 2 1 1 2 0 8 0 percpumem 16 95 0 42 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 kstatmem 264 82 0 50 3 0 3 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 24962 0 24961 10 8 2 8 1 8 1 plimitpl 152 177 0 159 1 0 1 1 0 8 0 sigapl 424 1298 0 1230 9 1 8 8 0 8 0 knotepl 120 538 0 0 17 0 17 17 0 8 0 kqueuepl 224 417 0 402 6 3 3 5 0 8 2 pipepl 344 253 0 226 9 6 3 9 0 8 0 fdescpl 528 1259 0 1228 3 0 3 3 0 8 0 filepl 160 7730 0 7494 22 6 16 18 0 8 2 lockfpl 104 632 0 628 2 1 1 2 0 8 0 lockfspl 48 291 0 287 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 47 0 30 1 0 1 1 0 8 0 ucredpl 104 1164 0 1149 1 0 1 1 0 8 0 zombiepl 144 1232 0 1230 1 0 1 1 0 8 0 processpl 1232 1298 0 1230 7 1 6 6 0 8 0 procpl 664 2747 0 2671 8 0 8 8 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 752 1770 0 1737 17 10 7 14 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 mcl12k 12288 1 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 115 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 256 258 0 0 17 0 17 17 0 8 0 bufpl 280 9818 0 3675 439 0 439 439 0 8 0 anonpl 32 11615 0 0 94 0 94 94 0 246 0 amapchunkpl 152 35756 0 35272 39 12 27 38 0 158 6 amappl16 200 4243 0 4207 43 29 14 28 0 8 8 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 17 0 17 1 1 0 1 0 8 0 amappl12 168 1935 0 1904 4 2 2 3 0 8 0 amappl11 160 68 0 54 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 259 0 259 1 1 0 1 0 8 0 amappl8 136 20 0 17 1 0 1 1 0 8 0 amappl7 128 113 0 101 1 0 1 1 0 8 0 amappl6 120 191 0 188 1 0 1 1 0 8 0 amappl5 112 128 0 118 1 0 1 1 0 8 0 amappl4 104 304 0 285 1 0 1 1 0 8 0 amappl3 96 6106 0 6011 4 1 3 3 0 8 0 amappl2 88 1493 0 1414 2 0 2 2 0 8 0 amappl1 80 11986 0 11382 14 1 13 14 0 8 0 amappl 88 9683 0 9518 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 85 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1259 0 1228 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1259 0 1228 1 0 1 1 0 8 0 vmmpekpl 168 11888 0 11850 3 0 3 3 0 8 0 vmmpepl 168 84221 0 82220 115 5 110 110 0 357 14 vmsppl 488 1258 0 1228 5 0 5 5 0 8 0 rwobjpl 80 27773 0 22823 102 0 102 102 0 8 0 pdppl 4096 2525 0 2456 103 32 71 83 0 8 2 pvpl 32 19056 0 0 154 0 154 154 0 265 0 pmappl 256 1258 0 1228 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 291 0 43 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83811ff0) 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(ffffffff8398d688) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398d688) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c427890,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8398d688) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398d688) at __mp_lock+0x199 sys/kern/kern_lock.c:165 ktrsyscall(ffff8000394034e0,b,20,ffff80003c427b40) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff8000394034e0,b,20,ffff80003c427b40) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80003c427b40) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80003c427b40) at syscall+0x304 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ba69c052d10, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83811ff0) 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(ffffffff8398d688) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398d688) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c427890,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff8398d688) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8398d688) at __mp_lock+0x199 sys/kern/kern_lock.c:165 ktrsyscall(ffff8000394034e0,b,20,ffff80003c427b40) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff8000394034e0,b,20,ffff80003c427b40) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80003c427b40) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80003c427b40) at syscall+0x304 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ba69c052d10, count: -10 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800010fde530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001632000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800035fece50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805ae90ea8,2,fffffd80097fb270,ffff8000fffeed10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8068231a40,ffff8000fffeed10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068231a40,ffff8000fffeed10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeed10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeed10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeed10,ffff800035fed1c0,ffff800035fed110) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fed1c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fed1c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 end trace frame: 0xffff800035fed240, 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff800010fde530,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001632000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,2,2000,ffff8000fffeed10) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800035fece50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805ae90ea8,2,fffffd80097fb270,ffff8000fffeed10) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8068231a40,ffff8000fffeed10) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8068231a40,ffff8000fffeed10) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd8068231a40,ffff8000fffeed10) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffeed10) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffeed10,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffeed10,ffff800035fed1c0,ffff800035fed110) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800035fed1c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035fed1c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e4a1ae967d0, count: -15