uvm_fault(0xfffffd806b9cd3e8, 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 445134 82047 0 0 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+0x4a sys/kern/kern_lock.c:260 clockintr_unbind(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 end trace frame: 0xffff80003c465ea0, 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(0xfffffd806b9cd3e8, 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(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74739ba5ab30, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c465910 rbx 0 rdx 0 rcx 0xffff8000ffff2d08 rax 0xffff8000299edffe r8 0 r9 0x1 r10 0x91ca269fb87f52a3 r11 0xec92894a2cbd6730 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff82993765 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c465870 ss 0x10 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=168320 pid=12331 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000ffff2d08 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000324034f0,0xffff800032403a30 process=0xffff8000324121d0 user=0xffff80003c460000, vmspace=0xfffffd806b9cd3e8 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61432 25642 95045 0 2 0 syz-executor 82047 445134 67627 0 7 0 syz-executor 82047 471781 67627 0 2 0x4000000 syz-executor 76949 397941 17392 0 2 0 syz-executor 76949 375166 17392 0 3 0x4000080 fsleep syz-executor 76949 172464 17392 0 3 0x4000080 pipewr syz-executor 53301 247992 70695 0 3 0x80 nanoslp syz-executor 53301 498147 70695 0 3 0x4000080 kqsel syz-executor 53301 55457 70695 0 3 0x4000080 fsleep syz-executor 24727 403570 95017 0 3 0x80 nanoslp syz-executor 24727 352134 95017 0 3 0x4000080 netcon syz-executor 24727 50099 95017 0 3 0x4000080 fsleep syz-executor 52944 454608 1 0 3 0x100083 ttyin getty 36069 426146 0 0 3 0x14200 acct acct 15430 172059 0 0 3 0x14280 nfsidl nfsio 82171 141757 0 0 3 0x14280 nfsidl nfsio 73882 51140 0 0 3 0x14280 nfsidl nfsio 53223 251449 0 0 3 0x14280 nfsidl nfsio 99908 280818 0 0 3 0x14280 nfsidl nfsio 57445 377272 0 0 3 0x14280 nfsidl nfsio 27440 290273 0 0 3 0x14280 nfsidl nfsio 73085 291724 0 0 3 0x14280 nfsidl nfsio 40142 353224 0 0 3 0x14280 nfsidl nfsio 47412 236920 0 0 3 0x14280 nfsidl nfsio 95378 28255 0 0 3 0x14280 nfsidl nfsio 95734 376519 0 0 3 0x14280 nfsidl nfsio 85478 80904 0 0 3 0x14280 nfsidl nfsio 60339 522887 0 0 3 0x14280 nfsidl nfsio 86427 321226 0 0 3 0x14280 nfsidl nfsio 15947 238113 0 0 3 0x14280 nfsidl nfsio 31592 433248 0 0 3 0x14280 nfsidl nfsio 6265 215609 0 0 3 0x14280 nfsidl nfsio 20517 177230 0 0 3 0x14280 nfsidl nfsio 69432 202507 0 0 3 0x14280 nfsidl nfsio 16876 444253 0 0 3 0x14200 bored sosplice 17392 504243 6648 0 3 0x82 nanoslp syz-executor 67627 174589 6648 0 3 0x82 nanoslp syz-executor 62018 99108 6648 0 3 0x2 biowait syz-executor 95720 394727 6648 0 3 0x82 nanoslp syz-executor 66253 22724 6648 0 3 0x82 nanoslp syz-executor 95045 478908 6648 0 3 0x82 nanoslp syz-executor 70695 403961 6648 0 3 0x82 nanoslp syz-executor 95017 59442 6648 0 3 0x82 nanoslp syz-executor 6648 177743 59493 0 3 0x82 kqread syz-executor 59493 417827 9309 0 3 0x10008a sigsusp ksh 9309 218146 32279 0 3 0x98 kqread sshd-session 32279 85852 24244 0 3 0x92 kqread sshd-session 24244 17256 1 0 3 0x88 kqread sshd 3891 166693 98183 74 3 0x1100092 bpf pflogd 98183 239531 1 0 3 0x80 sbwait pflogd 5274 373330 84307 73 3 0x1100090 kqread syslogd 84307 425400 1 0 3 0x100082 sbwait syslogd 8554 238055 1 0 3 0x100080 kqread resolvd 82830 408340 79165 77 3 0x100092 kqread dhcpleased 86733 17837 79165 77 3 0x100092 kqread dhcpleased 79165 456038 1 0 3 0x80 kqread dhcpleased 87795 394028 0 0 3 0x14200 bored smr 92167 229727 0 0 3 0x14200 pgzero zerothread 31877 317629 0 0 3 0x14200 aiodoned aiodoned 37581 36031 0 0 3 0x14200 syncer update 38541 432813 0 0 3 0x14200 cleaner cleaner 55165 259008 0 0 2 0x14200 reaper 35850 304852 0 0 3 0x14200 pgdaemon pagedaemon 60545 431673 0 0 3 0x14200 bored viomb 71689 181745 0 0 3 0x40014200 acpi0 acpi0 4279 328792 0 0 3 0x40014200 idle1 201 443117 0 0 3 0x14200 bored softnet7 80174 330681 0 0 3 0x14200 bored softnet6 76875 140662 0 0 3 0x14200 bored softnet5 32999 235461 0 0 3 0x14200 bored softnet4 6535 107161 0 0 3 0x14200 bored softnet3 62280 17276 0 0 3 0x14200 bored softnet2 35585 174563 0 0 3 0x14200 bored softnet1 18722 467099 0 0 2 0x14200 softnet0 82668 169548 0 0 3 0x14200 bored systqmp 41589 222029 0 0 3 0x14200 bored systq 9832 227016 0 0 3 0x14200 tmoslp softclockmp 91482 132239 0 0 3 0x40014200 tmoslp softclock 89118 416576 0 0 3 0x40014200 idle0 1 109496 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 82047 (syz-executor) thread 0xffff80003c4bb260 (471781) exclusive rwlock vmmaplk r = 0 (0xfffffd806b9cd300) #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 Process 62018 (syz-executor) thread 0xffff8000ffff2fa0 (99108) exclusive rrwlock inode r = 0 (0xfffffd8071a88c88) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e9d4e88) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #13 Xsyscall+0x128 Process 55165 (reaper) thread 0xffff8000ffffc538 (259008) exclusive rwlock kmmaplk r = 0 (0xffffffff83968b80) #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 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10256 11075K 11225K 166960K 12180 0 pcb 17 14K 28K 166960K 245 0 rtable 162 8K 9K 166960K 410 0 pf 37 18K 19K 166960K 160 0 ifaddr 36 6K 8K 166960K 113 0 ifgroup 62 2K 3K 166960K 193 0 sysctl 4 1K 9K 166960K 13 0 counters 70 37K 38K 166960K 232 0 ioctlops 0 0K 4K 166960K 1701 0 iov 0 0K 30K 166960K 85 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1396 88K 89K 166960K 2292 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 87 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1218 0 sigio 0 0K 0K 166960K 18 0 proc 72 115K 180K 166960K 660 0 subproc 72 4K 4K 166960K 74 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 225 0 in_multi 72 5K 7K 166960K 160 0 ether_multi 1 0K 0K 166960K 15 0 mrt 2 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 473 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 225 151K 168K 166960K 12875 0 UVM aobj 14 2K 2K 166960K 14 0 pinsyscall 42 84K 102K 166960K 2318 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 101 0 NDP 13 0K 2K 166960K 81 0 temp 79 8656K 8724K 166960K 48168 0 kqueue 14 22K 30K 166960K 250 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 120 233 0 229 5 2 3 3 0 8 2 rtentry 176 132 0 68 5 0 5 5 0 8 0 unpcb 144 1035 0 1018 10 2 8 8 0 8 7 syncache 336 9 0 9 4 4 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 410 0 403 9 7 2 7 0 8 1 arp 128 16 0 6 1 0 1 1 0 8 0 inpcb 328 1305 0 1290 11 9 2 9 0 8 0 nd6 144 21 0 8 1 0 1 1 0 8 0 pkpcb 40 7 0 7 4 3 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 70 0 70 3 2 1 1 0 8 1 pppxif 1504 5 0 5 3 2 1 1 0 8 1 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 8 0 2 1 0 1 1 0 8 0 pffrent 40 10 0 4 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 pfstitem 24 98 0 26 1 0 1 1 0 8 0 pfstkey 128 98 0 26 3 0 3 3 0 8 0 pfstate 384 98 0 26 8 0 8 8 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 626 0 299 31 8 23 30 0 8 0 art_table 40 628 0 299 5 0 5 5 0 8 0 art_node 32 130 0 74 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 65 0 55 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 30 0 13 3 0 3 3 0 8 0 dino2pl 256 3889 0 2387 95 0 95 95 0 8 0 ffsino 296 3889 0 2387 117 0 117 117 0 8 0 nchpl 144 5611 0 5075 64 32 32 64 0 8 8 rtmask 32 3 0 3 2 2 0 1 0 8 0 uvmvnodes 80 4264 0 0 88 0 88 88 0 8 0 vnodes 216 4264 0 0 237 0 237 237 0 8 0 namei 1024 18790 0 18789 3 2 1 2 0 8 0 percpumem 16 131 0 81 1 0 1 1 0 8 0 kstatmem 264 132 0 102 4 1 3 3 0 8 0 acpiwqpl 32 65 0 65 1 0 1 1 1 8 1 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 24445 0 24444 16 12 4 8 1 8 3 plimitpl 152 245 0 228 1 0 1 1 0 8 0 sigapl 424 1532 0 1457 9 0 9 9 0 8 0 knotepl 120 502 0 0 16 0 16 16 0 8 0 kqueuepl 224 451 0 440 5 4 1 3 0 8 0 pipepl 344 326 0 298 6 0 6 6 0 8 3 fdescpl 528 1485 0 1454 3 0 3 3 0 8 0 filepl 160 10082 0 9852 31 11 20 24 0 8 7 lockfpl 104 522 0 519 2 0 2 2 0 8 1 lockfspl 48 125 0 122 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 150 0 133 1 0 1 1 0 8 0 ucredpl 104 1958 0 1945 1 0 1 1 0 8 0 zombiepl 144 1918 0 1916 1 0 1 1 0 8 0 processpl 1232 1532 0 1457 6 0 6 6 0 8 0 procpl 664 3389 0 3306 8 0 8 8 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 752 2666 0 2630 39 26 13 21 0 8 8 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 36 0 0 4 0 4 4 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 278 0 0 17 0 17 17 0 8 0 bufpl 280 9653 0 3510 440 0 440 440 0 8 0 anonpl 32 10998 0 0 89 0 89 89 0 246 0 amapchunkpl 152 42984 0 42540 36 11 25 29 0 158 2 amappl16 200 4215 0 4178 44 31 13 20 0 8 8 amappl15 192 9 0 8 1 0 1 1 0 8 0 amappl14 184 118 0 106 1 0 1 1 0 8 0 amappl13 176 73 0 73 1 1 0 1 0 8 0 amappl12 168 2145 0 2115 3 1 2 2 0 8 0 amappl11 160 62 0 48 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 257 0 257 2 2 0 1 0 8 0 amappl8 136 47 0 44 1 0 1 1 0 8 0 amappl7 128 133 0 121 1 0 1 1 0 8 0 amappl6 120 183 0 179 1 0 1 1 0 8 0 amappl5 112 125 0 115 1 0 1 1 0 8 0 amappl4 104 312 0 291 1 0 1 1 0 8 0 amappl3 96 8673 0 8569 5 1 4 4 0 8 0 amappl2 88 664 0 599 2 0 2 2 0 8 0 amappl1 80 13066 0 12469 15 0 15 15 0 8 0 amappl 88 11951 0 11798 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 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 0 1 1 0 8 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1485 0 1454 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1485 0 1454 1 0 1 1 0 8 0 vmmpekpl 168 13698 0 13659 3 0 3 3 0 8 0 vmmpepl 168 97288 0 95280 113 11 102 107 0 357 1 vmsppl 488 1484 0 1454 5 1 4 5 0 8 0 rwobjpl 80 30967 0 25764 111 0 111 111 0 8 0 pdppl 4096 2977 0 2908 112 41 71 85 0 8 2 pvpl 32 19673 0 0 159 0 159 159 0 265 0 pmappl 256 1484 0 1454 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 308 0 65 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8381bff0) 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(ffffffff8387c130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387c130) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c4a7ee0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x73afaaddeab0, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8381bff0) 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(ffffffff8387c130) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8387c130) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80003c4a7ee0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x73afaaddeab0, count: -6 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(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 end trace frame: 0xffff80003c465ea0, 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(ffff8000014e7630,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff800001484000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000ffff2d08) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c465ab0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805f117370,81,fffffd80097fb5b0,ffff8000ffff2d08) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805de476d0,ffff8000ffff2d08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805de476d0,ffff8000ffff2d08) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805de476d0,ffff8000ffff2d08) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000ffff2d08) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000ffff2d08,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000ffff2d08,ffff80003c465e20,ffff80003c465d70) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c465e20) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465e20) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74739ba5ab30, count: -15