uvm_fault(0xfffffd806c7b8b90, 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 388151 35081 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015a3b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000168d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4bb090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806045c710,81,fffffd80097fd750,ffff8000fffe42c8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ef69bd0,ffff8000fffe42c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ef69bd0,ffff8000fffe42c8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe42c8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe42c8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe42c8,ffff80003c4bb400,ffff80003c4bb350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4bb400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bb400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003c4bb480, 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(0xfffffd806c7b8b90, 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(ffff8000015a3b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000168d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4bb090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806045c710,81,fffffd80097fd750,ffff8000fffe42c8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ef69bd0,ffff8000fffe42c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ef69bd0,ffff8000fffe42c8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe42c8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe42c8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe42c8,ffff80003c4bb400,ffff80003c4bb350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4bb400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bb400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x742801839500, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4baeb0 rbx 0 rdx 0 rcx 0xffff8000fffe42c8 rax 0xffff8000299ddffe r8 0 r9 0x1 r10 0xe0bbac0694fb1e44 r11 0x264b5d7311faa612 r12 0xfe r13 0x9 r14 0x28 r15 0 rip 0xffffffff813b6045 witness_checkorder+0xb5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c4bae10 ss 0 witness_checkorder+0xb5: movl 0x20(%r14),%r15d ddb{1}> show proc PROC (syz-executor) tid=239513 pid=93370 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffe42c8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffe6a88,0xffff8000fffec2c8 process=0xffff8000fffeb9e0 user=0xffff80003c4b6000, vmspace=0xfffffd806c7b8b90 estcpu=36, cpticks=13, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35081 388151 48576 0 7 0 syz-executor 35081 264418 48576 0 2 0x4000000 syz-executor 1971 385754 62176 0 2 0 syz-executor 1971 344112 62176 0 3 0x4000080 fsleep syz-executor 1971 50524 62176 0 2 0x4000000 syz-executor 50227 359669 66144 0 2 0 syz-executor 50227 105289 66144 0 3 0x4000080 fsleep syz-executor 50227 82804 66144 0 2 0x4000000 syz-executor 40340 224105 13733 0 3 0x80 nanoslp syz-executor 40340 73171 13733 0 3 0x4000080 ttyout syz-executor 40340 128124 13733 0 3 0x4000080 fsleep syz-executor 99281 45142 56303 0 3 0x2 biowait syz-executor 63830 314774 56303 0 3 0x82 piperd syz-executor 61908 133303 0 0 3 0x14280 nfsidl nfsio 93951 130808 0 0 3 0x14280 nfsidl nfsio 25207 197439 0 0 3 0x14280 nfsidl nfsio 43743 336369 0 0 3 0x14280 nfsidl nfsio 57046 128478 0 0 3 0x14280 nfsidl nfsio 20176 103515 0 0 3 0x14280 nfsidl nfsio 46392 381346 0 0 3 0x14280 nfsidl nfsio 18885 446724 0 0 3 0x14280 nfsidl nfsio 73188 175293 0 0 3 0x14280 nfsidl nfsio 56580 299691 0 0 3 0x14280 nfsidl nfsio 55664 57577 0 0 3 0x14280 nfsidl nfsio 10437 226346 0 0 3 0x14280 nfsidl nfsio 33237 384158 0 0 3 0x14280 nfsidl nfsio 32287 457445 0 0 3 0x14280 nfsidl nfsio 55313 443497 0 0 3 0x14280 nfsidl nfsio 3357 281596 0 0 3 0x14280 nfsidl nfsio 92965 107975 0 0 3 0x14280 nfsidl nfsio 1290 87058 0 0 3 0x14280 nfsidl nfsio 34276 264794 0 0 3 0x14280 nfsidl nfsio 95762 103603 0 0 3 0x14280 nfsidl nfsio 66144 39320 56303 0 3 0x82 nanoslp syz-executor 13733 479043 56303 0 2 0x3 syz-executor 95080 279739 56303 0 3 0x82 nanoslp syz-executor 62176 243731 56303 0 3 0x82 nanoslp syz-executor 48576 106589 56303 0 3 0x82 nanoslp syz-executor 63799 307256 56303 0 2 0x3 syz-executor 56303 9056 80406 0 2 0x3 syz-executor 80406 200345 47018 0 3 0x10008a sigsusp ksh 47018 341882 31600 0 3 0x98 kqread sshd-session 31600 324326 8840 0 3 0x92 kqread sshd-session 21420 481986 1 0 3 0x100083 ttyin getty 8840 124242 1 0 3 0x88 kqread sshd 59499 305687 35913 74 3 0x1100092 bpf pflogd 35913 375317 1 0 3 0x80 sbwait pflogd 9036 9827 55371 73 3 0x1100090 kqread syslogd 55371 214845 1 0 3 0x100082 sbwait syslogd 67326 118073 1 0 3 0x100080 kqread resolvd 83683 278040 44438 77 3 0x100092 kqread dhcpleased 25768 334485 44438 77 3 0x100092 kqread dhcpleased 44438 311027 1 0 3 0x80 kqread dhcpleased 92461 163495 0 0 3 0x14200 bored smr 52914 272082 0 0 2 0x14200 zerothread 62082 333048 0 0 3 0x14200 aiodoned aiodoned 88536 255342 0 0 3 0x14200 syncer update 76579 226617 0 0 3 0x14200 cleaner cleaner 92405 70 0 0 2 0x14200 reaper 5166 44372 0 0 3 0x14200 pgdaemon pagedaemon 3889 244010 0 0 3 0x14200 bored viomb 64486 375991 0 0 3 0x40014200 acpi0 acpi0 50413 25809 0 0 3 0x40014200 idle1 22093 314253 0 0 3 0x14200 bored softnet1 17625 68948 0 0 3 0x14200 bored softnet0 61043 372268 0 0 3 0x14200 smrbar systqmp 98376 252650 0 0 3 0x14200 bored systq 49052 275943 0 0 3 0x14200 tmoslp softclockmp 82686 42219 0 0 3 0x40014200 tmoslp softclock 27603 387896 0 0 3 0x40014200 idle0 1 203617 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 99281 (syz-executor) thread 0xffff80003c4b4fc8 (45142) exclusive rrwlock inode r = 0 (0xfffffd806f0e85b8) #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 (0xfffffd806c5a60e0) #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 92405 (reaper) thread 0xffff8000ffffd760 (70) exclusive rwlock kmmaplk r = 0 (0xffffffff838c4528) #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:5160 #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 Process 61043 (systqmp) thread 0xffff8000ffffe298 (372268) shared rwlock systqmp r = 0 (0xffffffff837ce978) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11087 12112K 13662K 166960K 13993 0 pcb 18 14K 15K 166960K 152 0 rtable 250 11K 12K 166960K 590 0 pf 40 18K 24K 166960K 172 0 ifaddr 47 8K 9K 166960K 93 0 ifgroup 61 2K 2K 166960K 146 0 sysctl 2 1K 9K 166960K 10 0 counters 74 37K 38K 166960K 164 0 ioctlops 0 0K 4K 166960K 1771 0 iov 0 0K 16K 166960K 78 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 92K 166960K 2252 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 93K 166960K 927 0 sigio 0 0K 0K 166960K 21 0 proc 73 115K 180K 166960K 663 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 94 0 in_multi 95 7K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 9 0 mrt 0 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 479 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 144K 170K 166960K 10418 0 UVM aobj 95 8K 8K 166960K 103 0 pinsyscall 41 82K 106K 166960K 2123 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 123 0 NDP 14 0K 2K 166960K 60 0 temp 53 8674K 8745K 166960K 37459 0 kqueue 13 20K 35K 166960K 186 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 120 193 0 190 4 1 3 3 0 8 2 rtentry 176 155 0 53 6 0 6 6 0 8 0 unpcb 144 657 0 639 9 5 4 6 0 8 3 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 191 0 186 3 2 1 3 0 8 0 arp 136 23 0 6 1 0 1 1 0 8 0 inpcb 328 833 0 822 13 9 4 9 0 8 2 nd6 152 33 0 6 2 0 2 2 0 8 0 pkpcb 40 11 0 11 1 1 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 34 0 33 1 0 1 1 0 8 0 pppxif 1504 7 0 7 2 1 1 1 0 8 1 pffrag 232 12 0 3 1 0 1 1 0 482 0 pffrnode 88 12 0 3 1 0 1 1 0 8 0 pffrent 40 21 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 4 0 4 1 0 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 59 0 18 1 0 1 1 0 8 0 pfstkey 128 61 0 20 2 0 2 2 0 8 0 pfstate 448 58 0 19 5 0 5 5 0 8 0 pfrule 1344 30 0 25 2 1 1 2 0 8 0 rttmr 136 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 616 0 181 32 2 30 30 0 8 2 art_table 40 619 0 181 5 0 5 5 0 8 0 art_node 32 154 0 61 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 22 0 12 1 0 1 1 0 8 0 shmpl 112 97 0 7 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3051 0 1539 95 0 95 95 0 8 0 ffsino 296 3051 0 1539 117 0 117 117 0 8 0 nchpl 144 4297 0 2593 64 0 64 64 0 8 0 rtmask 32 10 0 10 3 2 1 1 0 8 1 vnodes 216 3708 0 0 206 0 206 206 0 8 0 namei 1024 13776 0 13774 2 1 1 2 0 8 0 percpumem 16 97 0 45 1 0 1 1 0 8 0 vcpupl 3968 3 0 1 1 0 1 1 0 8 0 vmpool 848 3 0 1 1 0 1 1 0 8 0 kstatmem 264 84 0 52 3 0 3 3 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 25813 0 25812 9 8 1 8 1 8 0 plimitpl 152 233 0 215 1 0 1 1 0 8 0 sigapl 424 1259 0 1193 8 0 8 8 0 8 0 knotepl 120 555 0 0 17 0 17 17 0 8 0 kqueuepl 224 364 0 355 6 4 2 5 0 8 1 pipepl 344 248 0 221 9 5 4 9 0 8 0 fdescpl 528 1220 0 1190 3 0 3 3 0 8 0 filepl 160 7009 0 6790 21 8 13 19 0 8 2 lockfpl 104 387 0 384 2 1 1 2 0 8 0 lockfspl 48 175 0 172 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 760 0 746 1 0 1 1 0 8 0 zombiepl 144 1329 0 1327 1 0 1 1 0 8 0 processpl 1232 1259 0 1193 6 0 6 6 0 8 0 procpl 664 2627 0 2553 8 0 8 8 0 8 0 sosppl 176 7 0 7 1 1 0 1 0 8 0 sockpl 752 1714 0 1682 27 16 11 18 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 38 0 0 5 0 5 5 0 8 0 mtagpl 96 124 0 0 4 0 4 4 0 8 0 mbufpl 256 1723 0 0 108 0 108 108 0 8 0 bufpl 280 10060 0 3924 439 0 439 439 0 8 0 anonpl 32 9260 0 0 76 1 75 75 0 246 0 amapchunkpl 152 33542 0 33088 36 10 26 33 0 158 5 amappl16 200 3198 0 3164 33 18 15 18 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 458 0 456 1 0 1 1 0 8 0 amappl12 168 1598 0 1557 3 0 3 3 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 263 0 263 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 88 0 87 1 0 1 1 0 8 0 amappl6 120 294 0 281 1 0 1 1 0 8 0 amappl5 112 71 0 60 1 0 1 1 0 8 0 amappl4 104 428 0 399 1 0 1 1 0 8 0 amappl3 96 6682 0 6582 4 0 4 4 0 8 0 amappl2 88 565 0 505 2 0 2 2 0 8 0 amappl1 80 13092 0 12502 15 1 14 15 0 8 0 amappl 88 9518 0 9362 5 0 5 5 0 92 0 uvmvnodes 80 127 0 0 3 0 3 3 0 8 0 dma32768 32768 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 128 256 0 256 3 2 1 1 0 8 1 dma64 64 8 0 8 2 2 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 72 102 0 8 2 0 2 2 0 8 0 uaddrrnd 24 1220 0 1190 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1220 0 1190 1 0 1 1 0 8 0 vmmpekpl 168 11814 0 11773 3 0 3 3 0 8 0 vmmpepl 168 82944 0 81071 106 7 99 101 0 357 6 vmsppl 488 1219 0 1190 5 0 5 5 0 8 0 rwobjpl 80 23942 0 22807 31 2 29 30 0 8 1 pdppl 4096 2454 0 2384 115 41 74 88 0 8 4 pvpl 32 17611 0 0 142 0 142 142 0 265 0 pmappl 256 1222 0 1191 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 398 0 50 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83824ff0) 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(ffffffff8390e1c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8390e1c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c434560,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x789183828670, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83824ff0) 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(ffffffff8390e1c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8390e1c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80003c434560,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x789183828670, 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+0x95 sys/kern/kern_lock.c:406 clockintr_unbind(ffff8000015a3b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000168d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4bb090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806045c710,81,fffffd80097fd750,ffff8000fffe42c8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ef69bd0,ffff8000fffe42c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ef69bd0,ffff8000fffe42c8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe42c8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe42c8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe42c8,ffff80003c4bb400,ffff80003c4bb350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4bb400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bb400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 end trace frame: 0xffff80003c4bb480, 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(ffff8000015a3b30,1) at clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 dt_ioctl_record_stop(ffff80000168d000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe42c8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c4bb090) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806045c710,81,fffffd80097fd750,ffff8000fffe42c8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ef69bd0,ffff8000fffe42c8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ef69bd0,ffff8000fffe42c8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ef69bd0,ffff8000fffe42c8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe42c8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe42c8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe42c8,ffff80003c4bb400,ffff80003c4bb350) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4bb400) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4bb400) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x742801839500, count: -15