˜2'¢witness: lock order reversal: 1st 0xffffffff83a144e0 &sched_lock (&sched_lock) 2nd 0xffff8000299dee30 &cq->cq_mtx (&cq->cq_mtx) lock order [1] &sched_lock (&sched_lock) -> [2] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x187 sys/kern/sched_bsd.c:376 #3 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15a sys/arch/amd64/amd64/trap.c:739 #4 intr_user_exit+0x3c lock order [2] &cq->cq_mtx (&cq->cq_mtx) -> [1] &sched_lock (&sched_lock) #0 mtx_enter+0x95 sys/kern/kern_lock.c:406 #1 sleep_setup+0xed sys/kern/kern_synch.c:304 #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:775 #14 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(ffff8000299dee30,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffff8000299dee20) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 mi_switch() at mi_switch+0x187 sys/kern/sched_bsd.c:376 ast(ffff80003c425e50) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003c425e50) at ast+0x15a sys/arch/amd64/amd64/trap.c:739 intr_user_exit() at intr_user_exit+0x3c end of kernel end trace frame: 0x745aa33676c0, count: -7 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c425c50 rbx 0 rdx 0 rcx 0xffff8000fffefca0 rax 0xffff8000299ddff0 r8 0xffff80003c425b30 r9 0x8080808080808080 r10 0xdbe9fc96a858e73f r11 0x317c17292a25ff3f r12 0xfffffd8003f4b300 r13 0xfffffd800473bd58 r14 0x3 r15 0xffffffff8341dd12 substchar+0xbeef rip 0xffffffff816577f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c425c40 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=85812 pid=76982 tcnt=3 stat=run flags process=4000000 proc=0 runpri=83, usrpri=83, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0x0, list=0xffff80003a7f8d18,0xffff8000fffee558 process=0xffff80003a80c4f0 user=0xffff80003c420000, vmspace=0xfffffd806c96c7b8 estcpu=33, cpticks=3, pctcpu=0.1, user=2, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 47594 147649 57843 0 2 0 syz-executor 47594 194836 57843 0 3 0x4000080 bell syz-executor 98591 429879 74239 0 7 0 syz-executor 98591 37209 74239 0 3 0x4000080 fsleep syz-executor 54334 383306 25401 0 3 0x82 sbwait sshd-session 77515 142363 1380 0 2 0 syz-executor 77515 24167 1380 0 3 0x4000080 fsleep syz-executor *76982 85812 4405 0 2 0x4000000 syz-executor 76982 93859 4405 0 2 0x4000000 syz-executor 76982 352750 4405 0 3 0x4000080 fsleep syz-executor 62799 31574 60370 0 2 0 syz-executor 62799 483502 60370 0 3 0x4000000 biowait syz-executor 62799 197412 60370 0 3 0x4000080 fsleep syz-executor 60370 447978 33788 0 3 0x82 nanoslp syz-executor 26512 72582 33788 0 3 0x82 wait syz-executor 74239 495403 33788 0 3 0x82 nanoslp syz-executor 54010 234276 33788 0 3 0x2 biowait syz-executor 4405 187190 33788 0 3 0x82 nanoslp syz-executor 13893 238232 33788 0 3 0x82 nanoslp syz-executor 1380 162914 33788 0 3 0x82 nanoslp syz-executor 57843 28382 33788 0 3 0x82 nanoslp syz-executor 33788 267344 70074 0 3 0x82 kqread syz-executor 70074 143697 38223 0 3 0x10008a sigsusp ksh 38223 406127 84789 0 3 0x98 kqread sshd-session 84789 273862 25401 0 3 0x92 kqread sshd-session 24147 441772 1 0 3 0x100083 ttyopn getty 25401 348512 1 0 3 0x88 kqread sshd 77118 99371 83675 74 3 0x1100092 bpf pflogd 83675 509171 1 0 3 0x80 sbwait pflogd 78100 316954 76568 73 3 0x1100090 kqread syslogd 76568 401843 1 0 3 0x100082 sbwait syslogd 58396 354686 1 0 3 0x100080 kqread resolvd 13619 343956 36075 77 3 0x100092 kqread dhcpleased 60736 398411 36075 77 3 0x100092 kqread dhcpleased 36075 419132 1 0 3 0x80 kqread dhcpleased 8712 476072 0 0 3 0x14200 bored smr 98804 393432 0 0 2 0x14200 zerothread 1171 57855 0 0 3 0x14200 aiodoned aiodoned 71707 48321 0 0 3 0x14200 syncer update 62137 191613 0 0 3 0x14200 cleaner cleaner 11074 237968 0 0 3 0x14200 reaper reaper 14948 78099 0 0 3 0x14200 pgdaemon pagedaemon 66782 105261 0 0 3 0x14200 bored viomb 6777 364208 0 0 3 0x40014200 acpi0 acpi0 10701 94759 0 0 3 0x40014200 idle1 66658 445400 0 0 3 0x14200 bored softnet1 34677 26651 0 0 3 0x14200 bored softnet0 72881 436637 0 0 3 0x14200 bored systqmp 54915 294928 0 0 3 0x14200 bored systq 72551 255759 0 0 3 0x14200 tmoslp softclockmp 6217 424193 0 0 3 0x40014200 tmoslp softclock 96313 475728 0 0 3 0x40014200 idle0 1 294039 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd8069fab310) #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+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #3 udv_fault+0x1de sys/uvm/uvm_device.c:372 #4 uvm_fault+0x22e sys/uvm/uvm_fault.c:650 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 CPU 1: exclusive mutex &sched_lock r = 0 (0xffffffff83a144e0) #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+0x4b4 sys/kern/kern_lock.c:487 #2 preempt+0x35 sys/kern/sched_bsd.c:338 #3 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15a sys/arch/amd64/amd64/trap.c:739 #4 intr_user_exit+0x3c Process 98591 (syz-executor) thread 0xffff8000fffee018 (429879) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83978a48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 #2 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #3 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #4 recall_trap+0x8 exclusive rwlock uobjlk r = 0 (0xfffffd806d0103e0) #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 uvm_fault+0x1e5 sys/uvm/uvm_fault.c:649 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #4 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8069facc90) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 62799 (syz-executor) thread 0xffff8000fffee7e0 (483502) exclusive rrwlock inode r = 0 (0xfffffd806e80e910) #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_makeinode+0xcd sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_mknod+0x5b sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0x101 sys/kern/vfs_vops.c:121 #10 domknodat+0x469 sys/kern/vfs_syscalls.c:1640 #11 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e7f7480) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #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 54010 (syz-executor) thread 0xffff8000fffef770 (234276) exclusive rrwlock inode r = 0 (0xfffffd800bfccc70) #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 (0xfffffd806d723c60) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11063 12166K 12518K 166960K 12806 0 pcb 17 14K 15K 166960K 104 0 rtable 194 7K 7K 166960K 437 0 pf 33 17K 18K 166960K 106 0 ifaddr 38 6K 7K 166960K 88 0 ifgroup 51 2K 2K 166960K 136 0 sysctl 4 1K 9K 166960K 13 0 counters 68 36K 37K 166960K 156 0 ioctlops 0 0K 4K 166960K 1576 0 iov 0 0K 12K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 88K 166960K 1861 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 17 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 525 0 sigio 0 0K 0K 166960K 11 0 proc 72 115K 180K 166960K 588 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 53 0 in_multi 84 6K 7K 166960K 145 0 ether_multi 1 0K 0K 166960K 8 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 531 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 252 172K 178K 166960K 6751 0 UVM aobj 13 4K 4K 166960K 15 0 pinsyscall 44 88K 107K 166960K 1725 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 11 0K 1K 166960K 54 0 temp 47 8672K 8740K 166960K 34135 0 kqueue 14 22K 29K 166960K 118 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 58 0 55 1 0 1 1 0 8 0 rtentry 176 138 0 53 6 0 6 6 0 8 0 unpcb 144 284 0 261 5 4 1 4 0 8 0 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 226 0 218 7 6 1 7 0 8 0 arp 136 20 0 4 1 0 1 1 0 8 0 inpcb 328 678 0 666 13 6 7 7 0 8 5 nd6 152 28 0 8 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 31 0 31 2 1 1 1 0 8 1 pppxif 1504 10 0 10 2 1 1 1 0 8 1 pffrag 232 4 0 0 1 0 1 1 0 482 0 pffrnode 88 4 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 0 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 1 0 1 1 1 0 1 0 8 0 pfstitem 24 51 0 13 1 0 1 1 0 8 0 pfstkey 128 55 0 17 2 0 2 2 0 8 0 pfstate 448 53 0 15 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 610 0 223 29 4 25 29 0 8 0 art_table 40 611 0 223 5 0 5 5 0 8 0 art_node 32 137 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 2 1 1 1 0 8 1 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 11 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2386 0 879 96 0 96 96 0 8 0 ffsino 296 2386 0 879 117 0 117 117 0 8 0 nchpl 144 3113 0 1415 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2756 0 0 154 0 154 154 0 8 0 namei 1024 10653 0 10651 2 1 1 2 0 8 0 percpumem 16 93 0 44 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 848 1 0 0 1 0 1 1 0 8 0 kstatmem 264 74 0 50 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 13197 0 13195 10 9 1 8 1 8 0 plimitpl 152 137 0 120 1 0 1 1 0 8 0 sigapl 424 845 0 797 7 1 6 7 0 8 0 knotepl 120 532 0 0 17 0 17 17 0 8 0 kqueuepl 224 314 0 304 10 5 5 6 0 8 4 pipepl 344 150 0 123 3 0 3 3 0 8 0 fdescpl 528 828 0 796 3 0 3 3 0 8 0 filepl 160 4687 0 4462 21 6 15 17 0 8 5 lockfpl 104 179 0 176 1 0 1 1 0 8 0 lockfspl 48 72 0 69 1 0 1 1 0 8 0 sessionpl 144 27 0 17 1 0 1 1 0 8 0 pgrppl 48 38 0 20 1 0 1 1 0 8 0 ucredpl 104 598 0 584 1 0 1 1 0 8 0 zombiepl 144 799 0 797 1 0 1 1 0 8 0 processpl 1232 845 0 797 5 0 5 5 0 8 0 procpl 664 1496 0 1441 6 0 6 6 0 8 1 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 752 1027 0 989 18 7 11 11 0 8 6 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 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 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 270 0 0 17 0 17 17 0 8 0 bufpl 280 5077 0 133 354 0 354 354 0 8 0 anonpl 32 9113 0 0 74 0 74 74 0 246 0 amapchunkpl 152 21769 0 21280 34 5 29 29 0 158 8 amappl16 200 2628 0 2596 18 5 13 15 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 503 0 502 1 0 1 1 0 8 0 amappl12 168 1213 0 1169 3 0 3 3 0 8 0 amappl11 160 101 0 101 1 1 0 1 0 8 0 amappl10 152 51 0 36 1 0 1 1 0 8 0 amappl9 144 285 0 285 1 1 0 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 89 0 88 1 0 1 1 0 8 0 amappl6 120 299 0 284 1 0 1 1 0 8 0 amappl5 112 82 0 71 1 0 1 1 0 8 0 amappl4 104 471 0 440 1 0 1 1 0 8 0 amappl3 96 3951 0 3846 5 1 4 4 0 8 0 amappl2 88 579 0 512 2 0 2 2 0 8 0 amappl1 80 11970 0 11289 15 0 15 15 0 8 0 amappl 88 5881 0 5714 5 0 5 5 0 92 0 uvmvnodes 80 116 0 0 3 0 3 3 0 8 0 dma65536 65536 2 0 2 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 128 253 0 253 1 1 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 14 0 2 1 0 1 1 0 8 0 uaddrrnd 24 828 0 796 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 828 0 796 1 0 1 1 0 8 0 vmmpekpl 168 8685 0 8645 3 0 3 3 0 8 0 vmmpepl 168 60983 0 58931 100 2 98 98 0 357 5 vmsppl 488 827 0 796 5 0 5 5 0 8 0 rwobjpl 80 19558 0 18411 29 1 28 28 0 8 1 pdppl 4096 1666 0 1593 122 47 75 88 0 8 2 pvpl 32 17675 0 0 143 0 143 143 0 265 0 pmappl 256 828 0 796 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 317 0 61 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8381dff0) 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 schedclock(ffff8000fffee018) at schedclock+0xac sys/kern/sched_bsd.c:542 statclock(ffffffff8381ee08,ffff80003c437110,0) at statclock+0x3f6 sys/kern/kern_clock.c:-1 clockintr_dispatch(ffff80003c437110) at clockintr_dispatch+0x3f0 sys/kern/kern_clockintr.c:-1 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:482 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a pmap_enter(fffffd8069fab300,18224567000,73f33000,3,23) at pmap_enter+0x95d sys/arch/amd64/amd64/pmap.c:2901 udv_fault(ffff80003c437490,18224567000,ffff80003c437410,1,0,0,b5de87d4de13deab,ffff80003c437490) at udv_fault+0x1de sys/uvm/uvm_device.c:372 uvm_fault(fffffd8069facb90,18224567000,0,1) at uvm_fault+0x22e sys/uvm/uvm_fault.c:650 upageflttrap(ffff80003c437630,18224567000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003c437630) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72c04a6eb0f0, count: -15 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(ffff8000299dee30,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 mtx_enter(ffff8000299dee20) at mtx_enter+0x95 sys/kern/kern_lock.c:406 clockintr_cancel(ffff8000299de2f8) at clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 mi_switch() at mi_switch+0x187 sys/kern/sched_bsd.c:376 ast(ffff80003c425e50) at ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] ast(ffff80003c425e50) at ast+0x15a sys/arch/amd64/amd64/trap.c:739 intr_user_exit() at intr_user_exit+0x3c end of kernel end trace frame: 0x745aa33676c0, count: -7