witness: lock order reversal: 1st 0xffffffff83858e08 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff83951da0 &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:260 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:302 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 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+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 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:260 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x16f sys/kern/sched_bsd.c:378 #3 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15a sys/arch/amd64/amd64/trap.c:712 #4 Xsyscall+0x156 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83951da0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83951d90) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff83858e58,220,ffffffff83401ccf) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff83858e58,ffffffff83858df8,220,ffffffff83401ccf,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000159a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(41e5f,81,2000,ffff80003c451260) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(41e5f,81,2000,ffff80003c451260) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000363e8220) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e84ca48,81,fffffd80097fb8f0,ffff80003c451260) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd807aa8e520,ffff80003c451260) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd807aa8e520,ffff80003c451260) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd807aa8e520,ffff80003c451260) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd807aa8e520,ffff80003c451260) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c451260) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c451260,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c451260,ffff8000363e8590,ffff8000363e84e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000363e8590) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000363e8590) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71f38dd59a70, count: -17 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff8000363e7f30 rbx 0 rdx 0 rcx 0xffff80003c451260 rax 0xffff8000299edff0 r8 0xffff8000363e7e10 r9 0x8080808080808080 r10 0x1a32e4f8f43291a r11 0x9e920d0a324a7fb2 r12 0xfffffd8003f10dc0 r13 0xfffffd80046fed58 r14 0x3 r15 0xffffffff833ed657 substchar+0x369f rip 0xffffffff82ae9445 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000363e7f20 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=34933 pid=80736 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c451260 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a270548,0xffff80002a271a18 process=0xffff8000fffed358 user=0xffff8000363e3000, vmspace=0xfffffd806b7dc9a0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43257 381743 93541 0 2 0 syz-executor 43257 465869 93541 0 3 0x4000080 fsleep syz-executor 43257 204375 93541 0 3 0x4000080 fsleep syz-executor 41683 333229 98733 0 2 0 syz-executor 41683 167729 98733 0 3 0x4000080 fsleep syz-executor 48923 510566 76773 0 2 0 syz-executor 48923 384045 76773 0 3 0x4000080 fsleep syz-executor 48923 381708 76773 0 3 0x4000080 fsleep syz-executor 46860 296577 56408 60929 2 0x10 syz-executor 46860 28430 56408 60929 2 0x4000010 syz-executor 46860 215564 56408 60929 3 0x4000010 fltagain2 syz-executor 46860 20233 56408 60929 3 0x4000010 inode syz-executor 46860 456973 56408 60929 3 0x4000010 inode syz-executor 46860 381572 56408 60929 3 0x4000090 fsleep syz-executor 45518 192926 77278 0 2 0x2 syz-executor 76773 486562 77278 0 3 0x82 nanoslp syz-executor 34163 74248 77278 0 3 0x82 nanoslp syz-executor 20673 206604 0 0 3 0x14200 bored sosplice 75973 451407 77278 0 3 0x82 piperd syz-executor 47871 432942 0 0 3 0x14280 nfsidl nfsio 93541 514847 77278 0 2 0xc82 syz-executor 56408 120645 77278 0 3 0x82 nanoslp syz-executor 47708 490479 77278 0 3 0x2 biowait syz-executor 98733 237951 77278 0 2 0x2 syz-executor 77278 136386 68896 0 2 0x2 syz-executor 68896 457653 64673 0 3 0x10008a sigsusp ksh 64673 113426 25077 0 3 0x98 kqread sshd-session 25077 267827 62395 0 3 0x92 kqread sshd-session 55769 62487 1 0 3 0x100083 ttyopn getty 62395 102083 1 0 3 0x88 kqread sshd 40224 255681 45629 74 3 0x1100092 bpf pflogd 45629 358915 1 0 3 0x80 sbwait pflogd 30536 492827 9203 73 3 0x1100090 kqread syslogd 9203 161680 1 0 3 0x100082 sbwait syslogd 71348 105295 1 0 3 0x100080 kqread resolvd 15191 358935 0 0 3 0x14200 bored smr 62494 444427 0 0 2 0x14200 zerothread 18909 177145 0 0 3 0x14200 aiodoned aiodoned 62550 167987 0 0 3 0x14200 syncer update 59408 239948 0 0 3 0x14200 cleaner cleaner 9290 165607 0 0 7 0x14200 reaper 37000 494947 0 0 3 0x14200 pgdaemon pagedaemon 42325 79130 0 0 3 0x14200 bored viomb 46045 3910 0 0 3 0x40014200 acpi0 acpi0 62943 367122 0 0 3 0x40014200 idle1 48016 273609 0 0 3 0x14200 bored softnet1 12853 71172 0 0 3 0x14200 bored softnet0 21409 317904 0 0 3 0x14200 bored systqmp 8771 179463 0 0 3 0x14200 bored systq 33923 145744 0 0 3 0x14200 tmoslp softclockmp 31199 201914 0 0 3 0x40014200 tmoslp softclock 55264 269367 0 0 3 0x40014200 idle0 1 298805 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &cq->cq_mtx r = 0 (0xffffffff83858e08) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 #5 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x109 sys/dev/dt/dt_dev.c:239 #6 spec_close+0x466 sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x132 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+0x121 sys/kern/kern_descrip.c:1280 #10 closef+0x192 sys/kern/kern_descrip.c:1264 #11 fdfree+0x116 sys/kern/kern_descrip.c:1195 #12 exit1+0x576 sys/kern/kern_exit.c:215 #13 sys_exit+0x1a sys/kern/kern_exit.c:-1 #14 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #15 Xsyscall+0x128 Process 46860 (syz-executor) thread 0xffff8000fffe27f0 (28430) exclusive rrwlock inode r = 0 (0xfffffd806fd0bd90) #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 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:748 #9 Xsyscall+0x128 Process 46860 (syz-executor) thread 0xffff8000fffe2d20 (20233) exclusive rrwlock inode r = 0 (0xfffffd806ea225a8) #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 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:748 #10 Xsyscall+0x128 Process 47708 (syz-executor) thread 0xffff80002a2722a8 (490479) exclusive rrwlock inode r = 0 (0xfffffd8076953488) #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 (0xfffffd806be7e698) #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 Process 9290 (reaper) thread 0xffff8000ffffd9f8 (165607) exclusive rwlock kmmaplk r = 0 (0xffffffff83887550) #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:5171 #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 10215 11042K 11855K 166960K 12183 0 pcb 18 16K 18K 166960K 319 0 rtable 179 11K 13K 166960K 543 0 pf 36 18K 67486K 166960K 207 0 ifaddr 34 6K 8K 166960K 146 0 ifgroup 47 2K 2K 166960K 238 0 sysctl 4 1K 9K 166960K 22 0 counters 64 36K 38K 166960K 398 0 ioctlops 0 0K 4K 166960K 1920 0 iov 0 0K 28K 166960K 115 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1462 92K 93K 166960K 2629 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 105 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 89K 166960K 1347 0 sigio 0 0K 0K 166960K 23 0 proc 66 83K 180K 166960K 813 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 406 0 in_multi 62 4K 7K 166960K 202 0 ether_multi 1 0K 0K 166960K 13 0 mrt 3 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 175 784K 784K 166960K 175 0 exec 0 0K 1K 166960K 593 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 210 145K 177K 166960K 14027 0 UVM aobj 48 3K 3K 166960K 48 0 pinsyscall 34 68K 100K 166960K 2565 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 87 0 NDP 10 0K 2K 166960K 102 0 temp 68 8653K 8726K 166960K 55559 0 kqueue 7 12K 31K 166960K 285 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 120 197 0 196 2 1 1 2 0 8 0 rtentry 176 176 0 115 5 1 4 5 0 8 0 unpcb 144 1147 0 1135 6 5 1 4 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 618 0 611 16 9 7 7 0 8 5 arp 136 17 0 9 1 0 1 1 0 8 0 inpcb 328 1801 0 1792 31 22 9 12 0 8 7 nd6 152 31 0 21 1 0 1 1 0 8 0 pkpcb 40 14 0 14 5 4 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 144 0 144 2 1 1 1 0 8 1 pppxif 1504 11 0 11 5 4 1 1 0 8 1 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 10 0 1 1 0 1 1 0 482 0 pffrnode 88 9 0 1 1 0 1 1 0 8 0 pffrent 40 14 0 5 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 100 0 24 1 0 1 1 0 8 0 pfstkey 128 106 0 30 3 0 3 3 0 8 0 pfstate 384 101 0 27 8 0 8 8 0 8 0 pfrule 1344 32 0 26 2 1 1 2 0 8 0 rttmr 136 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 865 0 598 38 8 30 30 0 8 8 art_table 40 870 0 598 5 0 5 5 0 8 0 art_node 32 174 0 124 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 7 2 1 1 1 0 8 0 semapl 112 103 0 93 1 0 1 1 0 8 0 shmpl 112 45 0 0 2 0 2 2 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4162 0 2645 96 0 96 96 0 8 0 ffsino 296 4162 0 2645 118 0 118 118 0 8 0 nchpl 144 5884 0 4180 64 0 64 64 0 8 0 rtmask 32 20 0 20 4 3 1 1 0 8 1 uvmvnodes 80 4784 0 0 98 0 98 98 0 8 0 vnodes 216 4784 0 0 266 0 266 266 0 8 0 namei 1024 20786 0 20783 4 3 1 2 0 8 0 percpumem 16 214 0 167 1 0 1 1 0 8 0 kstatmem 264 156 0 132 3 0 3 3 0 8 0 scsiplug 72 11 0 11 4 3 1 1 0 8 1 scxspl 216 41367 0 41366 13 10 3 8 1 8 2 plimitpl 152 430 0 412 1 0 1 1 0 8 0 sigapl 424 1658 0 1614 8 1 7 8 0 8 0 knotepl 120 774 0 0 23 0 23 23 0 8 0 kqueuepl 224 852 0 846 14 12 2 5 0 8 1 pipepl 344 228 0 200 4 1 3 4 0 8 0 fdescpl 528 1619 0 1593 3 0 3 3 0 8 0 filepl 160 11380 0 11172 24 5 19 19 0 8 7 lockfpl 104 352 0 350 1 0 1 1 0 8 0 lockfspl 48 154 0 152 1 0 1 1 0 8 0 sessionpl 144 29 0 21 1 0 1 1 0 8 0 pgrppl 48 58 0 42 1 0 1 1 0 8 0 ucredpl 104 1994 0 1982 1 0 1 1 0 8 0 zombiepl 144 1615 0 1614 1 0 1 1 0 8 0 processpl 1232 1658 0 1614 6 1 5 6 0 8 0 procpl 664 3680 0 3624 8 1 7 8 0 8 0 sosppl 168 6 0 6 1 1 0 1 0 8 0 sockpl 752 3319 0 3297 33 22 11 16 0 8 7 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 45 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1175 0 0 73 0 73 73 0 8 0 bufpl 280 17951 0 11808 440 1 439 440 0 8 0 anonpl 32 13257 0 0 107 0 107 107 0 246 0 amapchunkpl 152 47671 0 46986 51 21 30 30 0 158 1 amappl16 200 7382 0 7252 81 64 17 31 0 8 8 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 140 0 131 1 0 1 1 0 8 0 amappl13 176 33 0 33 1 1 0 1 0 8 0 amappl12 168 2363 0 2337 2 0 2 2 0 8 0 amappl11 160 50 0 42 1 0 1 1 0 8 0 amappl10 152 40 0 40 1 1 0 1 0 8 0 amappl9 144 259 0 259 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 122 0 113 1 0 1 1 0 8 0 amappl6 120 226 0 223 1 0 1 1 0 8 0 amappl5 112 161 0 152 1 0 1 1 0 8 0 amappl4 104 324 0 304 1 0 1 1 0 8 0 amappl3 96 8042 0 7962 3 0 3 3 0 8 0 amappl2 88 1877 0 1817 2 0 2 2 0 8 0 amappl1 80 13824 0 13311 15 1 14 15 0 8 0 amappl 88 13048 0 12895 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 257 0 257 4 3 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 47 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1619 0 1593 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1619 0 1593 1 0 1 1 0 8 0 vmmpekpl 168 13569 0 13513 3 0 3 3 0 8 0 vmmpepl 168 108170 0 106460 121 20 101 101 0 357 12 vmsppl 488 1618 0 1593 5 1 4 5 0 8 0 rwobjpl 80 36038 0 30311 126 3 123 123 0 8 1 pdppl 4096 3246 0 3186 106 40 66 84 0 8 6 pvpl 32 20528 0 0 167 2 165 165 0 265 0 pmappl 256 1618 0 1593 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 378 0 67 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83857ff0) 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 clockintr_dispatch(ffff80002a244400) at clockintr_dispatch+0x3b1 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:484 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a x2apic_ipi(f2,1,0) at x2apic_ipi+0x79 sys/arch/amd64/amd64/lapic.c:697 x86_fast_ipi(ffff8000299edff0,f2) at x86_fast_ipi+0x9b sys/arch/amd64/amd64/ipi.c:66 pmap_tlb_shootrange(ffffffff839c4a40,ffff80003c458000,ffff80003c45e000,1) at pmap_tlb_shootrange+0x39a sys/arch/amd64/amd64/pmap.c:3297 pmap_do_remove(ffffffff839c4a40,ffff80003c458000,ffff80003c45e000,0) at pmap_do_remove+0x6ae pmap_map_ptes sys/arch/amd64/amd64/pmap.c:427 [inline] pmap_do_remove(ffffffff839c4a40,ffff80003c458000,ffff80003c45e000,0) at pmap_do_remove+0x6ae sys/arch/amd64/amd64/pmap.c:1824 uvm_unmap_kill_entry_withlock(ffffffff83887450,fffffd806bf87698,1) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_unmap_remove(ffffffff83887450,ffff80003c458000,ffff80003c45e000,ffff80002a2447d8,0,1,766aec51cd2b34f1) at uvm_unmap_remove+0x6b2 sys/uvm/uvm_map.c:2002 uvm_unmap(ffffffff83887450,ffff80003c458000,ffff80003c45e000) at uvm_unmap+0xa7 vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff83887450,ffff80003c458000,ffff80003c45e000) at uvm_unmap+0xa7 sys/uvm/uvm_map.c:1793 km_free(ffff80003c458000,6000,ffffffff835780d0,ffffffff834952b8) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff80003c450800) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 reaper(ffff8000ffffd9f8) at reaper+0x1aa sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83951da0,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83951d90) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff83858e58,220,ffffffff83401ccf) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff83858e58,ffffffff83858df8,220,ffffffff83401ccf,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000159a000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:589 dtclose(41e5f,81,2000,ffff80003c451260) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(41e5f,81,2000,ffff80003c451260) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000363e8220) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e84ca48,81,fffffd80097fb8f0,ffff80003c451260) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd807aa8e520,ffff80003c451260) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd807aa8e520,ffff80003c451260) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd807aa8e520,ffff80003c451260) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd807aa8e520,ffff80003c451260) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c451260) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c451260,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c451260,ffff8000363e8590,ffff8000363e84e0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000363e8590) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000363e8590) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71f38dd59a70, count: -17