uvm_fault(0xfffffd806b9113a0, 0x8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0x266: movl 0x8(%r15),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND *367788 47321 0 0 0x4000000 1 syz-executor 8926 39434 0 0x14000 0x200 0 softnet0 witness_checkorder(ffff800001335618,9,0) at witness_checkorder+0x266 sys/kern/subr_witness.c:794 mtx_enter(ffff800001335608) at mtx_enter+0x47 sys/kern/kern_lock.c:238 klist_mutex_lock(ffff800001335608) at klist_mutex_lock+0x32 sys/kern/kern_event.c:2352 klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef klist_lock sys/kern/kern_event.c:2317 [inline] klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef sys/kern/kern_event.c:2283 bpfsdetach(ffff8000012c14c0) at bpfsdetach+0x12f sys/net/bpf.c:1800 bpfdetach(ffff8000012b8800) at bpfdetach+0xa6 if_detach(ffff8000012b8800) at if_detach+0x14f sys/net/if.c:1193 tun_clone_destroy(ffff8000012b8800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:338 if_clone_destroy(ffff800032594fc0) at if_clone_destroy+0x1d7 sys/net/if.c:1382 ifioctl(ffff800010fde2a8,80206979,ffff800032594fc0,ffff8000ffff7970) at ifioctl+0x5c5 sys_ioctl(ffff8000ffff7970,ffff8000325951a0,ffff8000325950f0) at sys_ioctl+0x67c syscall(ffff8000325951a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000325951a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa64c75ff10, count: 2 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(0xfffffd806b9113a0, 0x8, 0, 1) -> e ddb{1}> trace witness_checkorder(ffff800001335618,9,0) at witness_checkorder+0x266 sys/kern/subr_witness.c:794 mtx_enter(ffff800001335608) at mtx_enter+0x47 sys/kern/kern_lock.c:238 klist_mutex_lock(ffff800001335608) at klist_mutex_lock+0x32 sys/kern/kern_event.c:2352 klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef klist_lock sys/kern/kern_event.c:2317 [inline] klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef sys/kern/kern_event.c:2283 bpfsdetach(ffff8000012c14c0) at bpfsdetach+0x12f sys/net/bpf.c:1800 bpfdetach(ffff8000012b8800) at bpfdetach+0xa6 if_detach(ffff8000012b8800) at if_detach+0x14f sys/net/if.c:1193 tun_clone_destroy(ffff8000012b8800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:338 if_clone_destroy(ffff800032594fc0) at if_clone_destroy+0x1d7 sys/net/if.c:1382 ifioctl(ffff800010fde2a8,80206979,ffff800032594fc0,ffff8000ffff7970) at ifioctl+0x5c5 sys_ioctl(ffff8000ffff7970,ffff8000325951a0,ffff8000325950f0) at sys_ioctl+0x67c syscall(ffff8000325951a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000325951a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa64c75ff10, count: -13 ddb{1}> show registers rdi 0xffff800030d8a000 rsi 0x3319d acpi_pdirpa+0x1f00e rbp 0xffff800032594c80 rbx 0 rdx 0xffff800030d8a000 rcx 0x3319c acpi_pdirpa+0x1f00d rax 0xffffffff829a1bee witness_checkorder+0x22e r8 0x23 r9 0x1 r10 0 r11 0xcfd4e0d06346004f r12 0 r13 0xdeafbeaddeafbead r14 0xffff800001335618 r15 0 rip 0xffffffff829a1c26 witness_checkorder+0x266 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800032594bd0 ss 0 witness_checkorder+0x266: movl 0x8(%r15),%r12d ddb{1}> show proc PROC (syz-executor) tid=367788 pid=47321 tcnt=5 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a08a7d0,0xffff8000ffff62b8 process=0xffff80002a1cb1e0 user=0xffff800032590000, vmspace=0xfffffd806b9113a0 estcpu=31, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1544 223609 48952 0 2 0 syz-executor 1544 514252 48952 0 2 0x4000000 syz-executor 22734 220033 41374 0 2 0 syz-executor 22734 282633 41374 0 3 0x4000080 fsleep syz-executor 80342 425347 74474 0 2 0 syz-executor 80342 336908 74474 0 2 0x4000000 syz-executor 263 136363 27966 0 2 0 syz-executor 263 31666 27966 0 2 0x4000000 syz-executor 88107 305303 64092 0 2 0 syz-executor 88107 74037 64092 0 3 0x4000080 fsleep syz-executor 88107 257849 64092 0 3 0x4000080 fsleep syz-executor 47321 270052 24034 0 2 0 syz-executor 47321 94936 24034 0 3 0x4000080 fsleep syz-executor *47321 367788 24034 0 7 0x4000000 syz-executor 47321 246249 24034 0 2 0x4000000 syz-executor 47321 11528 24034 0 2 0x4000000 syz-executor 52718 123837 21027 0 2 0x480 syz-executor 52718 12251 21027 0 3 0x4000080 fsleep syz-executor 52718 490539 21027 0 3 0x4000080 wsevent_read syz-executor 52718 241150 21027 0 3 0x4000080 fsleep syz-executor 42958 345218 83216 0 2 0x480 syz-executor 42958 490974 83216 0 3 0x4000080 kqsel syz-executor 42958 133925 83216 0 3 0x4000080 fsleep syz-executor 42958 422865 83216 0 3 0x4000080 fsleep syz-executor 27966 481579 41839 0 2 0x482 syz-executor 41374 14545 41839 0 2 0x482 syz-executor 6038 326755 1 0 3 0x80 nanoslp init 82469 427639 0 0 3 0x14280 nfsidl nfsio 66574 175342 0 0 3 0x14280 nfsidl nfsio 48454 101722 0 0 3 0x14280 nfsidl nfsio 65784 425275 0 0 3 0x14280 nfsidl nfsio 73882 382145 0 0 3 0x14280 nfsidl nfsio 33403 427316 0 0 3 0x14280 nfsidl nfsio 2311 454638 0 0 3 0x14280 nfsidl nfsio 67588 321980 0 0 3 0x14280 nfsidl nfsio 47920 475507 0 0 3 0x14280 nfsidl nfsio 60158 69827 0 0 3 0x14280 nfsidl nfsio 92543 28937 0 0 3 0x14280 nfsidl nfsio 57059 56598 0 0 3 0x14280 nfsidl nfsio 18589 335884 0 0 3 0x14280 nfsidl nfsio 23084 429720 0 0 3 0x14280 nfsidl nfsio 75177 181735 0 0 3 0x14280 nfsidl nfsio 56944 374029 0 0 3 0x14280 nfsidl nfsio 47135 198909 0 0 3 0x14280 nfsidl nfsio 17435 475448 0 0 3 0x14280 nfsidl nfsio 90207 516936 0 0 3 0x14280 nfsidl nfsio 2760 440154 0 0 3 0x14280 nfsidl nfsio 78924 174065 0 0 3 0x14200 bored sosplice 83216 471081 41839 0 2 0x482 syz-executor 48952 179581 41839 0 2 0x2 syz-executor 24034 132213 41839 0 2 0x482 syz-executor 64092 340735 41839 0 2 0x482 syz-executor 21027 108641 41839 0 2 0x482 syz-executor 74474 173571 41839 0 2 0x482 syz-executor 41839 261755 61977 0 2 0x82 syz-executor 61977 13502 47866 0 3 0x10008a sigsusp ksh 47866 328204 75517 0 3 0x98 kqread sshd-session 75517 202446 19764 0 3 0x92 kqread sshd-session 19764 501172 1 0 3 0x88 kqread sshd 2423 282656 95478 74 3 0x1100092 bpf pflogd 95478 121004 1 0 3 0x80 sbwait pflogd 95616 257189 49804 73 3 0x1100090 kqread syslogd 49804 519781 1 0 3 0x100082 sbwait syslogd 35737 217140 1 0 3 0x100080 kqread resolvd 5849 265477 15907 77 3 0x100092 kqread dhcpleased 56986 242894 15907 77 3 0x100092 kqread dhcpleased 15907 251150 1 0 3 0x80 kqread dhcpleased 14965 519278 0 0 3 0x14200 bored smr 68150 361168 0 0 2 0x14200 zerothread 59898 381764 0 0 3 0x14200 aiodoned aiodoned 27194 483507 0 0 3 0x14200 syncer update 6760 466658 0 0 3 0x14200 cleaner cleaner 54483 451412 0 0 3 0x14200 reaper reaper 4829 445284 0 0 3 0x14200 pgdaemon pagedaemon 56735 113028 0 0 3 0x14200 bored viomb 68664 457950 0 0 3 0x40014200 acpi0 acpi0 59647 474282 0 0 3 0x40014200 idle1 91537 434369 0 0 3 0x14200 bored softnet3 26208 498716 0 0 3 0x14200 bored softnet2 19721 71308 0 0 3 0x14200 bored softnet1 39434 8926 0 0 7 0x14200 softnet0 2597 509552 0 0 3 0x14200 bored systqmp 1229 2811 0 0 3 0x14200 bored systq 94056 292905 0 0 3 0x14200 tmoslp softclockmp 56030 411638 0 0 3 0x40014200 tmoslp softclock 6632 235470 0 0 3 0x40014200 idle0 1 229548 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 1544 (syz-executor) thread 0xffff80002a092f70 (223609) exclusive rwlock vmmaplk r = 0 (0xfffffd806b911818) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3057 #3 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 1544 (syz-executor) thread 0xffff80002a092550 (514252) exclusive rrwlock inode r = 0 (0xfffffd806ec585f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:678 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 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 vn_open+0x13f sys/kern/vfs_vnops.c:140 #12 doopenat+0x31d sys/kern/vfs_syscalls.c:1123 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 Process 80342 (syz-executor) thread 0xffff80002a08aa58 (336908) exclusive rwlock vmmaplk r = 0 (0xfffffd806b911b98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1813 #3 uvm_fault_check+0x831 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #3 uvm_fault_check+0x831 sys/uvm/uvm_fault.c:712 #4 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #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 47321 (syz-executor) thread 0xffff8000ffff7970 (367788) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835fcde8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731 #6 vgonel+0x497 sys/kern/vfs_subr.c:1208 #7 vop_generic_revoke+0x3e6 sys/kern/vfs_default.c:128 #8 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #9 vdevgone+0x17b #10 bpfsdetach+0x117 sys/net/bpf.c:1802 #11 bpfdetach+0xa6 #12 if_detach+0x14f sys/net/if.c:1193 #13 tun_clone_destroy+0x2d6 sys/net/if_tun.c:338 #14 if_clone_destroy+0x1d7 sys/net/if.c:1382 #15 ifioctl+0x5c5 #16 sys_ioctl+0x67c #17 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #17 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #18 Xsyscall+0x128 exclusive rwlock clonelk r = 0 (0xffffffff8342ecf0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 if_clone_destroy+0x67 #2 ifioctl+0x5c5 #3 sys_ioctl+0x67c #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 47321 (syz-executor) thread 0xffff800035f9f1e8 (11528) exclusive rwlock futex r = 0 (0xffffffff83492300) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 11216K 11586K 166960K 12988 0 pcb 17 16K 17K 166960K 405 0 rtable 221 6K 7K 166960K 561 0 pf 36 18K 19K 166960K 95 0 ifaddr 39 6K 8K 166960K 81 0 ifgroup 51 2K 2K 166960K 116 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 102 0 ioctlops 0 0K 4K 166960K 1573 0 iov 0 0K 16K 166960K 69 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1481 93K 94K 166960K 2488 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 2K 166960K 89 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 93K 166960K 1297 0 sigio 0 0K 0K 166960K 86 0 proc 63 79K 140K 166960K 791 0 subproc 104 6K 6K 166960K 156 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 147 0 in_multi 88 6K 7K 166960K 209 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 684 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 247 73K 86K 166960K 13667 0 UVM aobj 26 6K 6K 166960K 27 0 pinsyscall 42 84K 105K 166960K 2504 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 51 0 NDP 11 0K 2K 166960K 58 0 temp 78 6828K 6924K 166960K 35672 0 kqueue 17 25K 31K 166960K 240 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 246 0 243 3 2 1 2 0 8 0 rtentry 112 179 0 77 4 0 4 4 0 8 0 unpcb 144 947 0 925 7 5 2 6 0 8 1 syncache 336 8 0 8 4 3 1 1 0 8 1 tcpqe 32 6 0 6 3 2 1 1 0 8 1 tcpcb 808 391 0 385 11 6 5 5 0 8 4 arp 120 33 0 17 1 0 1 1 0 8 0 inpcb 336 1559 0 1549 23 16 7 10 0 8 5 nd6 136 37 0 15 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 10 0 10 2 1 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 9 0 3 1 0 1 1 0 482 0 pffrnode 88 9 0 3 1 0 1 1 0 8 0 pffrent 40 57 0 51 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 pfstitem 24 75 0 27 1 0 1 1 0 8 0 pfstkey 128 75 0 28 2 0 2 2 0 8 0 pfstate 376 74 0 27 5 0 5 5 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 701 0 278 30 2 28 30 0 8 1 art_table 32 704 0 278 4 0 4 4 0 8 0 art_node 16 176 0 85 1 0 1 1 0 8 0 sysvmsgpl 40 52 0 44 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 84 0 74 1 0 1 1 0 8 0 shmpl 112 24 0 1 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 3615 0 2110 95 0 95 95 0 8 0 ffsino 272 3615 0 2110 102 0 102 102 0 8 0 nchpl 144 5398 0 3700 64 0 64 64 0 8 0 uvmvnodes 80 4460 0 0 92 0 92 92 0 8 0 vnodes 216 4460 0 0 248 0 248 248 0 8 0 namei 1024 19885 0 19885 3 2 1 2 0 8 1 percpumem 16 65 0 20 1 0 1 1 0 8 0 kstatmem 264 62 0 40 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 18102 0 18102 11 9 2 8 1 8 2 plimitpl 152 301 0 284 1 0 1 1 0 8 0 sigapl 424 1618 0 1547 11 2 9 9 0 8 0 futexpl 64 17736 0 17726 1 0 1 1 0 8 0 knotepl 120 569 0 0 17 0 17 17 0 8 0 kqueuepl 216 355 0 340 2 1 1 2 0 8 0 pipepl 320 205 0 177 3 0 3 3 0 8 0 fdescpl 496 1577 0 1545 5 0 5 5 0 8 0 filepl 152 9905 0 9644 19 5 14 15 0 8 3 lockfpl 104 542 0 540 1 0 1 1 0 8 0 lockfspl 48 228 0 226 1 0 1 1 0 8 0 sessionpl 144 33 0 25 1 0 1 1 0 8 0 pgrppl 48 55 0 39 1 0 1 1 0 8 0 ucredpl 104 1597 0 1584 1 0 1 1 0 8 0 zombiepl 144 1717 0 1717 1 0 1 1 0 8 1 processpl 1160 1618 0 1547 7 1 6 6 0 8 0 procpl 648 3495 0 3408 9 1 8 8 0 8 0 srpgc 96 12 0 12 3 2 1 1 0 8 1 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 664 2771 0 2736 28 19 9 14 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 149 0 0 19 0 19 19 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 37 0 0 1 0 1 1 0 8 0 mbufpl 256 289 0 0 19 0 19 19 0 8 0 bufpl 280 7421 0 1247 442 0 442 442 0 8 0 anonpl 24 275449 0 271804 84 37 47 61 0 185 13 amapchunkpl 152 44756 0 44213 48 17 31 31 0 158 7 amappl16 200 7104 0 7072 56 44 12 21 0 8 8 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 138 0 127 1 0 1 1 0 8 0 amappl13 176 9 0 9 2 2 0 1 0 8 0 amappl12 168 2291 0 2260 4 1 3 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 13 0 13 2 2 0 1 0 8 0 amappl9 144 132 0 132 1 1 0 1 0 8 0 amappl8 136 43 0 39 1 0 1 1 0 8 0 amappl7 128 120 0 108 1 0 1 1 0 8 0 amappl6 120 208 0 206 1 0 1 1 0 8 0 amappl5 112 161 0 148 1 0 1 1 0 8 0 amappl4 104 340 0 322 1 0 1 1 0 8 0 amappl3 96 8247 0 8144 3 0 3 3 0 8 0 amappl2 88 1911 0 1827 3 0 3 3 0 8 0 amappl1 80 12517 0 11969 15 1 14 14 0 8 0 amappl 88 13134 0 12945 5 0 5 5 0 92 0 dma32768 32768 4 0 4 2 2 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 128 253 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 26 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1577 0 1545 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1577 0 1545 1 0 1 1 0 8 0 vmmpekpl 168 13964 0 13915 3 0 3 3 0 8 0 vmmpepl 168 104128 0 102222 107 15 92 99 0 357 2 vmsppl 448 1576 0 1545 6 2 4 5 0 8 0 rwobjpl 56 35569 0 30164 79 1 78 78 0 8 1 pdppl 4096 3161 0 3090 111 38 73 85 0 8 2 pvpl 32 17346 0 0 142 2 140 141 0 265 0 pmappl 248 1576 0 1545 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 443 0 74 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835fcbe0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835fcbe0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800029fb30f0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __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 msleep_nsec(ffff80000002c000,ffff80000002c018,20,ffffffff830eb034,ffffffffffffffff) at msleep_nsec+0x62 sys/kern/kern_synch.c:265 taskq_next_work(ffff80000002c000,ffff800029fb3270) at taskq_next_work+0x8e sys/kern/kern_task.c:401 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:441 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff83466ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835fcbe0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835fcbe0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800029fb30f0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __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 msleep_nsec(ffff80000002c000,ffff80000002c018,20,ffffffff830eb034,ffffffffffffffff) at msleep_nsec+0x62 sys/kern/kern_synch.c:265 taskq_next_work(ffff80000002c000,ffff800029fb3270) at taskq_next_work+0x8e sys/kern/kern_task.c:401 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:441 end trace frame: 0x0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0x266: movl 0x8(%r15),%r12d witness_checkorder(ffff800001335618,9,0) at witness_checkorder+0x266 sys/kern/subr_witness.c:794 mtx_enter(ffff800001335608) at mtx_enter+0x47 sys/kern/kern_lock.c:238 klist_mutex_lock(ffff800001335608) at klist_mutex_lock+0x32 sys/kern/kern_event.c:2352 klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef klist_lock sys/kern/kern_event.c:2317 [inline] klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef sys/kern/kern_event.c:2283 bpfsdetach(ffff8000012c14c0) at bpfsdetach+0x12f sys/net/bpf.c:1800 bpfdetach(ffff8000012b8800) at bpfdetach+0xa6 if_detach(ffff8000012b8800) at if_detach+0x14f sys/net/if.c:1193 tun_clone_destroy(ffff8000012b8800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:338 if_clone_destroy(ffff800032594fc0) at if_clone_destroy+0x1d7 sys/net/if.c:1382 ifioctl(ffff800010fde2a8,80206979,ffff800032594fc0,ffff8000ffff7970) at ifioctl+0x5c5 sys_ioctl(ffff8000ffff7970,ffff8000325951a0,ffff8000325950f0) at sys_ioctl+0x67c syscall(ffff8000325951a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000325951a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa64c75ff10, count: 2 ddb{1}> trace witness_checkorder(ffff800001335618,9,0) at witness_checkorder+0x266 sys/kern/subr_witness.c:794 mtx_enter(ffff800001335608) at mtx_enter+0x47 sys/kern/kern_lock.c:238 klist_mutex_lock(ffff800001335608) at klist_mutex_lock+0x32 sys/kern/kern_event.c:2352 klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef klist_lock sys/kern/kern_event.c:2317 [inline] klist_invalidate(ffff8000013356c8) at klist_invalidate+0xef sys/kern/kern_event.c:2283 bpfsdetach(ffff8000012c14c0) at bpfsdetach+0x12f sys/net/bpf.c:1800 bpfdetach(ffff8000012b8800) at bpfdetach+0xa6 if_detach(ffff8000012b8800) at if_detach+0x14f sys/net/if.c:1193 tun_clone_destroy(ffff8000012b8800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:338 if_clone_destroy(ffff800032594fc0) at if_clone_destroy+0x1d7 sys/net/if.c:1382 ifioctl(ffff800010fde2a8,80206979,ffff800032594fc0,ffff8000ffff7970) at ifioctl+0x5c5 sys_ioctl(ffff8000ffff7970,ffff8000325951a0,ffff8000325950f0) at sys_ioctl+0x67c syscall(ffff8000325951a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000325951a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa64c75ff10, count: -13