witness: lock order reversal: 1st 0xffffffff83852e00 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff839a9e98 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x47 sys/kern/kern_lock.c:238 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:348 #2 msleep+0x114 sys/kern/kern_synch.c:245 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #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+0x47 sys/kern/kern_lock.c:238 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x165 x86_atomic_clearbits_u32 machine/atomic.h:-1 [inline] #2 mi_switch+0x165 sys/kern/sched_bsd.c:371 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 sys_futex+0xa58 futex_wait sys/kern/sys_futex.c:304 [inline] #4 sys_futex+0xa58 sys/kern/sys_futex.c:152 #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{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(ffffffff839a9e98,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839a9e88) at mtx_enter+0x47 sys/kern/kern_lock.c:238 sleep_setup(ffffffff83852e50,220,ffffffff833a21e6) at sleep_setup+0xc6 sys/kern/kern_synch.c:348 msleep(ffffffff83852e50,ffffffff83852df0,220,ffffffff833a21e6,0) at msleep+0x114 sys/kern/kern_synch.c:245 dt_ioctl_record_stop(ffff80000146e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 dtclose(11e5f,81,2000,ffff800039000548) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800039000548) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3d3ab0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806283ea30,81,fffffd807f7d3000,ffff800039000548) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c4bba28,ffff800039000548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c4bba28,ffff800039000548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c4bba28,ffff800039000548) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806c4bba28,ffff800039000548) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80002a3d3d10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d3d10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcda09def620, count: -14 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a3d37c0 rbx 0xfffffd800473cc48 rdx 0xffff80000144e480 rcx 0xffff800039000548 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a3d36a0 r9 0x8080808080808080 r10 0xf2c07fc403fe9b47 r11 0xcffc49ceabdc26f1 r12 0 r13 0xfffffd8003f4c300 r14 0x3 r15 0xffffffff rip 0xffffffff83296a45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a3d37b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=278557 pid=44702 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=0xffff8000390019c8,0xffffffff83909320 process=0xffff80003a01dc70 user=0xffff80002a3ce000, vmspace=0xfffffd806becc1f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44702 279514 8462 0 2 0 syz-executor *44702 278557 8462 0 7 0x4000000 syz-executor 47853 62821 40551 0 2 0x2 syz-executor 65959 503956 36605 0 2 0 syz-executor 65959 401945 36605 0 3 0x4000080 fsleep syz-executor 94086 278166 98249 0 7 0 syz-executor 94086 343688 98249 0 3 0x4000080 fsleep syz-executor 32227 380243 15267 0 3 0x80 nanoslp syz-executor 32227 489171 15267 0 3 0x4000080 pipewr syz-executor 32227 281668 15267 0 3 0x4000080 fsleep syz-executor 32227 76526 15267 0 3 0x4000080 fsleep syz-executor 91883 408500 63915 0 3 0x80 nanoslp syz-executor 91883 103316 63915 0 3 0x4000080 fsleep syz-executor 91883 384244 63915 0 3 0x4000080 fsleep syz-executor 91883 414170 63915 0 3 0x4000080 nanoslp syz-executor 61736 176256 0 0 3 0x14200 acct acct 63915 357274 40551 0 3 0x82 nanoslp syz-executor 76145 91138 0 0 3 0x14200 bored sosplice 15267 493793 40551 0 3 0x82 nanoslp syz-executor 64661 487040 40551 0 3 0x2 biowait syz-executor 36605 233768 40551 0 3 0x82 nanoslp syz-executor 4096 382240 40551 0 2 0x2 syz-executor 8462 135345 40551 0 3 0x82 nanoslp syz-executor 98249 229470 40551 0 3 0x82 nanoslp syz-executor 40551 189696 20636 0 3 0x82 kqread syz-executor 20636 175051 93681 0 3 0x10008a sigsusp ksh 93681 299061 76711 0 3 0x98 kqread sshd-session 76711 377767 9664 0 3 0x92 kqread sshd-session 27058 481518 1 0 3 0x100083 ttyin getty 9664 498367 1 0 3 0x88 kqread sshd 12792 176970 29914 74 3 0x1100092 bpf pflogd 29914 379214 1 0 3 0x80 sbwait pflogd 81570 320193 90373 73 3 0x1100090 kqread syslogd 90373 14767 1 0 3 0x100082 sbwait syslogd 36041 312431 1 0 3 0x100080 kqread resolvd 95553 476439 6658 77 3 0x100092 kqread dhcpleased 3044 269734 6658 77 3 0x100092 kqread dhcpleased 6658 460826 1 0 3 0x80 kqread dhcpleased 15644 120052 0 0 3 0x14200 bored smr 7654 423559 0 0 2 0x14200 zerothread 25427 180338 0 0 3 0x14200 aiodoned aiodoned 5085 221343 0 0 3 0x14200 syncer update 54467 170888 0 0 3 0x14200 cleaner cleaner 40678 211593 0 0 3 0x14200 reaper reaper 52643 357805 0 0 3 0x14200 pgdaemon pagedaemon 98829 426373 0 0 3 0x14200 bored viomb 86948 457861 0 0 3 0x40014200 acpi0 acpi0 95011 340775 0 0 3 0x40014200 idle1 87698 496143 0 0 3 0x14200 bored softnet3 53675 120122 0 0 3 0x14200 bored softnet2 74798 140589 0 0 3 0x14200 bored softnet1 2542 350989 0 0 3 0x14200 bored softnet0 2740 269325 0 0 3 0x14200 bored systqmp 12718 306779 0 0 3 0x14200 bored systq 89565 68433 0 0 3 0x14200 tmoslp softclockmp 89929 184327 0 0 3 0x40014200 tmoslp softclock 23341 462102 0 0 3 0x40014200 idle0 1 481509 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 (0xffffffff83852e00) #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+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #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 44702 (syz-executor) thread 0xffff800039000548 (278557) exclusive rwlock dtlk r = 0 (0xffffffff838afe68) #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+0x367 sys/kern/kern_rwlock.c:311 #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 (0xffffffff838f47b0) #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 (0xffffffff83852e00) #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+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 #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 94086 (syz-executor) thread 0xffff80002a2979c0 (278166) exclusive rwlock uobjlk r = 0 (0xfffffd806bedf450) #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+0x367 sys/kern/kern_rwlock.c:311 #2 uvm_fault+0x1e9 sys/uvm/uvm_fault.c:699 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806ebd4a68) #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_read+0x36e sys/kern/kern_rwlock.c:398 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 64661 (syz-executor) thread 0xffff8000ffffcf68 (487040) exclusive rrwlock inode r = 0 (0xfffffd806dd33788) #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+0x367 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:606 #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:1201 #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 (0xfffffd806cb09678) #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+0x367 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:606 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #9 Xsyscall+0x128 Process 4096 (syz-executor) thread 0xffff80002a2baf78 (382240) exclusive rwlock vmmaplk r = 0 (0xfffffd806becca78) #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+0x367 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5227 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3797 #4 process_new+0x572 sys/kern/kern_fork.c:282 #5 fork1+0x3ea sys/kern/kern_fork.c:408 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd8009edee20) #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+0x367 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5227 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3788 #4 process_new+0x572 sys/kern/kern_fork.c:282 #5 fork1+0x3ea sys/kern/kern_fork.c:408 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 11119K 11342K 166960K 11827 0 pcb 17 14K 16K 166960K 211 0 rtable 220 9K 9K 166960K 450 0 pf 32 17K 21K 166960K 75 0 ifaddr 40 7K 7K 166960K 64 0 ifgroup 51 2K 2K 166960K 84 0 sysctl 3 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 110 0 ioctlops 0 0K 4K 166960K 1541 0 iov 0 0K 16K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 88K 166960K 1748 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 47 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 54K 89K 166960K 544 0 sigio 0 0K 0K 166960K 45 0 proc 75 103K 128K 166960K 623 0 subproc 63 3K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 40 0 in_multi 88 6K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 439 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 160K 172K 166960K 6803 0 UVM aobj 11 2K 2K 166960K 12 0 pinsyscall 41 82K 104K 166960K 1715 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 35 0 NDP 11 0K 2K 166960K 42 0 temp 72 8687K 8756K 166960K 17633 0 kqueue 13 20K 29K 166960K 96 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 66 0 63 1 0 1 1 0 8 0 rtentry 176 132 0 37 6 0 6 6 0 8 0 unpcb 144 265 0 247 3 1 2 2 0 8 1 syncache 336 8 0 8 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 190 0 185 9 3 6 8 0 8 5 arp 128 22 0 5 1 0 1 1 0 8 0 inpcb 384 722 0 712 13 5 8 11 0 8 7 nd6 144 29 0 7 1 0 1 1 0 8 0 pkpcb 40 35 0 35 1 0 1 1 0 8 1 kcovpl 48 9 0 2 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 19 0 19 1 0 1 1 0 8 1 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 6 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 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pfstitem 24 40 0 3 1 0 1 1 0 8 0 pfstkey 128 40 0 3 2 0 2 2 0 8 0 pfstate 384 40 0 3 4 0 4 4 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 545 0 132 29 3 26 29 0 8 0 art_table 32 547 0 132 4 0 4 4 0 8 0 art_node 16 131 0 46 1 0 1 1 0 8 0 sysvmsgpl 40 35 0 34 1 0 1 1 0 8 0 semapl 112 45 0 35 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2263 0 757 95 0 95 95 0 8 0 ffsino 288 2263 0 757 109 0 109 109 0 8 0 nchpl 144 3059 0 1366 63 0 63 63 0 8 0 rtmask 32 4 0 4 2 1 1 1 0 8 1 uvmvnodes 80 2624 0 0 54 0 54 54 0 8 0 vnodes 216 2624 0 0 146 0 146 146 0 8 0 namei 1024 10359 0 10359 2 1 1 2 0 8 1 percpumem 16 70 0 22 1 0 1 1 0 8 0 kstatmem 264 50 0 26 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9648 0 9647 10 9 1 8 1 8 0 plimitpl 152 79 0 61 1 0 1 1 0 8 0 sigapl 424 860 0 810 7 1 6 7 0 8 0 knotepl 120 312 0 0 10 0 10 10 0 8 0 kqueuepl 224 232 0 223 5 4 1 5 0 8 0 pipepl 336 189 0 161 6 3 3 6 0 8 0 fdescpl 520 839 0 809 3 0 3 3 0 8 0 filepl 160 4701 0 4488 16 3 13 14 0 8 3 lockfpl 104 113 0 110 1 0 1 1 0 8 0 lockfspl 48 52 0 49 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 51 0 34 1 0 1 1 0 8 0 ucredpl 104 422 0 409 1 0 1 1 0 8 0 zombiepl 144 969 0 969 1 0 1 1 0 8 1 processpl 1208 860 0 810 5 0 5 5 0 8 0 procpl 656 1586 0 1527 6 0 6 6 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sockpl 728 1099 0 1068 17 5 12 13 0 8 9 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 107 0 0 14 0 14 14 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 21 0 0 1 0 1 1 0 8 0 mbufpl 256 280 0 0 18 0 18 18 0 8 0 bufpl 280 3026 0 124 208 0 208 208 0 8 0 anonpl 32 5535 0 0 45 0 45 45 0 246 0 amapchunkpl 152 21204 0 20644 33 7 26 26 0 158 0 amappl16 200 2439 0 2411 5 3 2 5 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 128 0 116 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1519 0 1490 4 1 3 3 0 8 0 amappl11 160 58 0 44 1 0 1 1 0 8 0 amappl10 152 25 0 25 1 1 0 1 0 8 0 amappl9 144 246 0 246 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 116 0 104 1 0 1 1 0 8 0 amappl6 120 219 0 216 1 0 1 1 0 8 0 amappl5 112 133 0 123 1 0 1 1 0 8 0 amappl4 104 394 0 372 1 0 1 1 0 8 0 amappl3 96 4059 0 3959 5 1 4 4 0 8 0 amappl2 88 697 0 634 2 0 2 2 0 8 0 amappl1 80 11189 0 10598 16 1 15 15 0 8 0 amappl 88 5972 0 5824 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 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 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 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 11 0 1 1 0 1 1 0 8 0 uaddrrnd 24 839 0 809 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 839 0 809 1 0 1 1 0 8 0 vmmpekpl 168 8895 0 8832 3 0 3 3 0 8 0 vmmpepl 168 60021 0 58156 98 4 94 95 0 357 4 vmsppl 480 838 0 809 5 0 5 5 0 8 1 rwobjpl 72 21204 0 17667 67 1 66 66 0 8 0 pdppl 4096 1685 0 1618 109 38 71 83 0 8 4 pvpl 32 13005 0 0 106 1 105 105 0 265 0 pmappl 256 838 0 809 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 413 0 53 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83851ff0) 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+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 mtx_enter(ffffffff83852df0) at mtx_enter+0xa5 sys/kern/kern_lock.c:241 clockintr_dispatch(ffff800035be96a0) 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 __mp_lock(ffffffff838f45a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838f45a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806ebd4968,644458c2000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff800035be9a30,644458c2000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff800035be9a30) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f28541ec7e0, count: -13 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(ffffffff839a9e98,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 mtx_enter(ffffffff839a9e88) at mtx_enter+0x47 sys/kern/kern_lock.c:238 sleep_setup(ffffffff83852e50,220,ffffffff833a21e6) at sleep_setup+0xc6 sys/kern/kern_synch.c:348 msleep(ffffffff83852e50,ffffffff83852df0,220,ffffffff833a21e6,0) at msleep+0x114 sys/kern/kern_synch.c:245 dt_ioctl_record_stop(ffff80000146e000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:575 dtclose(11e5f,81,2000,ffff800039000548) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff800039000548) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3d3ab0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806283ea30,81,fffffd807f7d3000,ffff800039000548) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c4bba28,ffff800039000548) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c4bba28,ffff800039000548) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c4bba28,ffff800039000548) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd806c4bba28,ffff800039000548) at closef+0x192 sys/kern/kern_descrip.c:1251 syscall(ffff80002a3d3d10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3d3d10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcda09def620, count: -14