witness: lock order reversal: 1st 0xffff8000299dee00 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff83944b58 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x4a sys/kern/kern_lock.c:257 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:302 #2 msleep_nsec+0x119 sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 #4 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #5 spec_close+0x45f sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x126 sys/kern/kern_descrip.c:1267 #9 closef+0x192 sys/kern/kern_descrip.c:1251 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x4a sys/kern/kern_lock.c:257 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x172 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline] #2 mi_switch+0x172 sys/kern/sched_bsd.c:374 #3 sleep_finish+0x2da sys/kern/kern_synch.c:366 #4 sys_futex+0xa24 futex_wait sys/kern/sys_futex.c:301 [inline] #4 sys_futex+0xa24 sys/kern/sys_futex.c:151 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #6 Xsyscall+0x128 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83944b58,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83944b48) at mtx_enter+0x4a sys/kern/kern_lock.c:257 sleep_setup(ffff8000299dee50,220,ffffffff833af742) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffff8000299dee50,ffff8000299dedf0,220,ffffffff833af742,ffffffffffffffff) at msleep_nsec+0x119 sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3060e0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e2506d8,81,fffffd80097fb2d8,ffff8000fffe82b8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805cc3a088,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805cc3a088,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805cc3a088,ffff8000fffe82b8) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805cc3a088,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80002a306340) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a306340) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa0c37359210, count: -14 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a305de0 rbx 0xfffffd8004702330 rdx 0xffff80000147fa40 rcx 0xffff8000fffe82b8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a305cc0 r9 0x8080808080808080 r10 0x930f9eca61f48d02 r11 0x73b9fbab8b54bf2 r12 0 r13 0xfffffd8003f55300 r14 0x3 r15 0xffffffff rip 0xffffffff8232ace5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a305dd0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=245065 pid=28672 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a285728,0xffff8000ffffca58 process=0xffff8000fffdd868 user=0xffff80002a301000, vmspace=0xfffffd806d472d30 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64247 263409 14942 -1 2 0x10 syz-executor 64247 440013 14942 -1 3 0x4000090 sbwait syz-executor 14559 100993 80652 -1 3 0x90 nanoslp syz-executor 14559 212186 80652 -1 3 0x4000090 fsleep syz-executor 32243 491070 47349 0 2 0 syz-executor 32243 7983 47349 0 3 0x4000080 kqread syz-executor 32243 99729 47349 0 3 0x4000080 fsleep syz-executor 28672 114196 49353 0 2 0 syz-executor *28672 245065 49353 0 7 0x4000000 syz-executor 46838 447177 13472 -1 3 0x90 nanoslp syz-executor 46838 503710 13472 -1 3 0x4000090 kqsel syz-executor 46838 233140 13472 -1 3 0x4000090 fsleep syz-executor 38427 441038 81271 0 3 0x80 nanoslp syz-executor 38427 513948 81271 0 3 0x4000080 ttyin syz-executor 38427 228336 81271 0 3 0x4000080 fsleep syz-executor 38427 22366 81271 0 3 0x4000080 fsleep syz-executor 42210 408391 63339 0 3 0x80 nanoslp syz-executor 42210 433248 63339 0 3 0x4000080 kqsel syz-executor 42210 221878 63339 0 3 0x4000080 fsleep syz-executor 47873 387135 0 0 3 0x14200 acct acct 47349 430007 47724 0 3 0x82 nanoslp syz-executor 80328 311698 47724 0 3 0x2 biowait syz-executor 84052 210966 1 0 3 0x100083 ttyin getty 14942 130870 47724 0 3 0x82 nanoslp syz-executor 36863 377711 0 0 3 0x14200 bored sosplice 49353 32163 47724 0 3 0x82 nanoslp syz-executor 13472 256470 47724 0 3 0x82 nanoslp syz-executor 63339 489368 47724 0 3 0x82 nanoslp syz-executor 80652 499398 47724 0 3 0x82 nanoslp syz-executor 81271 51113 47724 0 3 0x82 nanoslp syz-executor 47724 210534 36594 0 3 0x82 kqread syz-executor 36594 194588 13379 0 3 0x10008a sigsusp ksh 13379 196769 38301 0 3 0x98 kqread sshd-session 38301 345864 88184 0 3 0x92 kqread sshd-session 88184 134643 1 0 3 0x88 kqread sshd 54488 277307 56327 74 3 0x1100092 bpf pflogd 56327 306007 1 0 3 0x80 sbwait pflogd 70228 37148 87168 73 3 0x1100090 kqread syslogd 87168 109600 1 0 3 0x100082 sbwait syslogd 71943 354864 1 0 3 0x100080 kqread resolvd 91744 363224 6620 77 3 0x100092 kqread dhcpleased 33129 415894 6620 77 3 0x100092 kqread dhcpleased 6620 118281 1 0 3 0x80 kqread dhcpleased 53721 117493 0 0 3 0x14200 bored smr 55804 419168 0 0 2 0x14200 zerothread 94680 38423 0 0 3 0x14200 aiodoned aiodoned 25912 421113 0 0 3 0x14200 syncer update 70619 368150 0 0 3 0x14200 cleaner cleaner 42569 478395 0 0 3 0x14200 reaper reaper 38832 320776 0 0 3 0x14200 pgdaemon pagedaemon 24296 514891 0 0 3 0x14200 bored viomb 55645 201765 0 0 3 0x40014200 acpi0 acpi0 80621 246109 0 0 7 0x40014200 idle1 74582 134857 0 0 3 0x14200 bored softnet3 3487 179295 0 0 3 0x14200 bored softnet2 6666 76195 0 0 3 0x14200 bored softnet1 87737 298238 0 0 3 0x14200 bored softnet0 95559 326604 0 0 3 0x14200 bored systqmp 50150 450937 0 0 3 0x14200 bored systq 40957 500059 0 0 3 0x14200 tmoslp softclockmp 83216 229223 0 0 3 0x40014200 tmoslp softclock 27380 211635 0 0 3 0x40014200 idle0 1 308654 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299dee00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:301 #2 mtx_enter+0x62 sys/kern/kern_lock.c:258 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 #5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x45f sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 #8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #9 fdrop+0x126 sys/kern/kern_descrip.c:1267 #10 closef+0x192 sys/kern/kern_descrip.c:1251 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #12 Xsyscall+0x128 Process 28672 (syz-executor) thread 0xffff8000fffe82b8 (245065) exclusive rwlock dtlk r = 0 (0xffffffff83854ba8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 dt_ioctl_record_stop+0x68 sys/dev/dt/dt_dev.c:-1 #3 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #3 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #4 spec_close+0x45f sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x126 sys/kern/kern_descrip.c:1267 #8 closef+0x192 sys/kern/kern_descrip.c:1251 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83976530) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 vn_closefile+0x41 sys/kern/vfs_vnops.c:608 #2 fdrop+0x126 sys/kern/kern_descrip.c:1267 #3 closef+0x192 sys/kern/kern_descrip.c:1251 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #5 Xsyscall+0x128 exclusive mutex &cq->cq_mtx r = 0 (0xffff8000299dee00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:301 #2 mtx_enter+0x62 sys/kern/kern_lock.c:258 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 #5 dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x105 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x45f sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 #8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #9 fdrop+0x126 sys/kern/kern_descrip.c:1267 #10 closef+0x192 sys/kern/kern_descrip.c:1251 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #12 Xsyscall+0x128 Process 80328 (syz-executor) thread 0xffff80003c410f98 (311698) exclusive rrwlock inode r = 0 (0xfffffd806e389538) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd 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+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c57f200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x377 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:605 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10252 11061K 11473K 166960K 13445 0 pcb 18 16K 18K 166960K 741 0 rtable 243 12K 12K 166960K 800 0 pf 40 18K 67485K 166960K 256 0 ifaddr 45 8K 9K 166960K 175 0 ifgroup 64 2K 3K 166960K 313 0 sysctl 4 1K 9K 166960K 43 0 counters 72 37K 38K 166960K 418 0 ioctlops 0 0K 4K 166960K 2015 0 iov 0 0K 32K 166960K 173 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1512 95K 96K 166960K 3549 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 28K 36K 166960K 45 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 163 0 dirhash 12 2K 3K 166960K 78 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 257K 166960K 2786 0 sigio 0 0K 0K 166960K 83 0 proc 76 115K 128K 166960K 908 0 subproc 72 4K 4K 166960K 101 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 416 0 in_multi 96 6K 7K 166960K 273 0 ether_multi 1 0K 0K 166960K 32 0 mrt 3 0K 0K 166960K 22 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 819 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 256 168K 189K 166960K 26638 0 UVM aobj 41 5K 5K 166960K 44 0 pinsyscall 42 84K 102K 166960K 4014 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 151 0 NDP 14 0K 2K 166960K 116 0 temp 82 8696K 8952K 166960K 143185 0 kqueue 14 22K 32K 166960K 488 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 120 392 0 389 5 4 1 3 0 8 0 rtentry 176 229 0 127 6 0 6 6 0 8 0 unpcb 144 2106 0 2081 20 19 1 4 0 8 0 syncache 336 24 0 24 7 7 0 1 0 8 0 tcpqe 32 11 0 11 6 6 0 1 0 8 0 tcpcb 736 1229 0 1223 22 18 4 7 0 8 2 arp 128 34 0 13 1 0 1 1 0 8 0 inpcb 328 3745 0 3732 34 27 7 10 0 8 3 nd6 144 39 0 13 2 1 1 2 0 8 0 pkpcb 40 39 0 39 6 5 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 4 0 4 3 3 0 1 0 8 0 ppxss 1192 139 0 139 4 3 1 1 0 8 1 pppxif 1504 54 0 54 7 6 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 23 0 16 1 0 1 1 0 482 0 pffrnode 88 22 0 15 1 0 1 1 0 8 0 pffrent 40 41 0 34 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 pfanchor 1288 4 0 2 1 0 1 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 220 0 105 1 0 1 1 0 8 0 pfstkey 128 220 0 105 5 0 5 5 0 8 0 pfstate 384 219 0 105 13 0 13 13 0 8 0 pfrule 1344 31 0 23 2 1 1 2 0 8 0 rttmr 136 7 0 7 5 5 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 972 0 537 33 4 29 31 0 8 0 art_table 32 976 0 537 4 0 4 4 0 8 0 art_node 16 214 0 126 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 14 1 0 1 1 0 8 0 semapl 112 152 0 142 1 0 1 1 0 8 0 shmpl 112 41 0 3 2 0 2 2 0 8 0 dirhash 1024 62 0 45 3 0 3 3 0 8 0 dino2pl 256 6937 0 5428 96 0 96 96 0 8 0 ffsino 288 6937 0 5428 109 0 109 109 0 8 0 nchpl 144 10824 0 9117 64 0 64 64 0 8 0 rtmask 32 19 0 19 6 5 1 1 0 8 1 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 39882 0 39882 3 2 1 1 0 8 1 percpumem 16 224 0 173 1 0 1 1 0 8 0 kstatmem 264 192 0 160 3 0 3 3 0 8 0 acpiwqpl 32 4 0 4 1 0 1 1 1 8 1 scsiplug 72 9 0 9 5 5 0 1 0 8 0 scxspl 216 50553 0 50552 18 17 1 8 1 8 0 plimitpl 152 639 0 620 1 0 1 1 0 8 0 sigapl 424 3101 0 3050 10 2 8 9 0 8 0 knotepl 120 620 0 0 18 0 18 18 0 8 0 kqueuepl 224 1024 0 1012 11 9 2 5 0 8 1 pipepl 336 442 0 415 5 0 5 5 0 8 2 fdescpl 520 3054 0 3023 3 0 3 3 0 8 0 filepl 160 23665 0 23432 46 32 14 20 0 8 2 lockfpl 104 1117 0 1115 3 2 1 2 0 8 0 lockfspl 48 444 0 442 1 0 1 1 0 8 0 sessionpl 144 43 0 34 1 0 1 1 0 8 0 pgrppl 48 161 0 144 1 0 1 1 0 8 0 ucredpl 104 4217 0 4200 1 0 1 1 0 8 0 zombiepl 144 3050 0 3050 3 2 1 1 0 8 1 processpl 1240 3101 0 3050 7 1 6 6 0 8 0 procpl 656 7399 0 7336 8 2 6 8 0 8 0 srpgc 96 8 0 8 3 3 0 1 0 8 0 sosppl 168 8 0 8 6 6 0 1 0 8 0 sockpl 728 6374 0 6333 57 48 9 19 0 8 2 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 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 122 0 0 15 0 15 15 0 8 0 mcl2k 2048 34 0 0 4 0 4 4 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 297 0 0 17 0 17 17 0 8 0 bufpl 280 19579 0 13437 439 0 439 439 0 8 0 anonpl 32 14984 0 0 122 1 121 121 0 246 0 amapchunkpl 152 104117 0 103458 83 52 31 51 0 158 3 amappl16 200 9178 0 9057 86 67 19 32 0 8 6 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 154 0 142 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 3762 0 3731 3 1 2 2 0 8 0 amappl11 160 94 0 79 1 0 1 1 0 8 0 amappl10 152 15 0 14 2 1 1 1 0 8 0 amappl9 144 247 0 245 1 0 1 1 0 8 0 amappl8 136 34 0 31 1 0 1 1 0 8 0 amappl7 128 140 0 127 1 0 1 1 0 8 0 amappl6 120 250 0 245 1 0 1 1 0 8 0 amappl5 112 156 0 146 1 0 1 1 0 8 0 amappl4 104 411 0 391 1 0 1 1 0 8 0 amappl3 96 18998 0 18882 5 1 4 4 0 8 0 amappl2 88 827 0 764 2 0 2 2 0 8 0 amappl1 80 22806 0 22203 16 1 15 15 0 8 0 amappl 88 25329 0 25146 5 0 5 5 0 92 0 dma65536 65536 2 0 2 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 10 0 10 3 3 0 1 0 8 0 dma128 128 257 0 257 5 5 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 22 0 21 1 0 1 1 0 8 0 aobjpl 72 43 0 3 1 0 1 1 0 8 0 uaddrrnd 24 3054 0 3023 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3054 0 3023 1 0 1 1 0 8 0 vmmpekpl 168 24086 0 24032 3 0 3 3 0 8 0 vmmpepl 168 197517 0 195397 145 41 104 115 0 357 2 vmsppl 480 3053 0 3023 7 2 5 5 0 8 0 rwobjpl 72 56420 0 49400 138 3 135 135 0 8 0 pdppl 4096 6115 0 6046 149 78 71 83 0 8 2 pvpl 32 21818 0 0 178 2 176 176 0 265 0 pmappl 256 3053 0 3023 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 484 0 118 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83944b58,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83944b48) at mtx_enter+0x4a sys/kern/kern_lock.c:257 sleep_setup(ffff8000299dee50,220,ffffffff833af742) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffff8000299dee50,ffff8000299dedf0,220,ffffffff833af742,ffffffffffffffff) at msleep_nsec+0x119 sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000149a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:576 dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff8000fffe82b8) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3060e0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e2506d8,81,fffffd80097fb2d8,ffff8000fffe82b8) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805cc3a088,ffff8000fffe82b8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805cc3a088,ffff8000fffe82b8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805cc3a088,ffff8000fffe82b8) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805cc3a088,ffff8000fffe82b8) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80002a306340) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a306340) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa0c37359210, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:153 mtx_enter(ffff8000299dedf0) at mtx_enter+0xf5 sys/kern/kern_lock.c:261 clockintr_dispatch(ffff80002a228cd0) at clockintr_dispatch+0x3b4 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu_x86.c:1218 sched_idle(ffff8000299ddff0) at sched_idle+0x4d8 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -10