panic: excl->share Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 362120 62266 0 0 0x4000000 0 syz-executor *153282 69873 0 0x14000 0x200 1 softclockmp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b5a1c) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffff80000159a878,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff80000159a860,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd806d699f00,ffffffff83987338,0,0,ffff80002a1febb0,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5400,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_fasttimo() at mld6_fasttimo+0x16d mld6_checktimer sys/netinet6/mld6.c:395 [inline] mld6_fasttimo() at mld6_fasttimo+0x16d sys/netinet6/mld6.c:369 pffasttimo(ffffffff83a152a8) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff8383b068,ffffffff83a152a8) at timeout_run+0x159 sys/kern/kern_timeout.c:698 softclock_thread_run(ffffffff8383b068) at softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 softclock_thread_mp(ffff8000fffff228) at softclock_thread_mp+0x86 end trace frame: 0x0, count: 3 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: excl->share ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b5a1c) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffff80000159a878,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff80000159a860,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd806d699f00,ffffffff83987338,0,0,ffff80002a1febb0,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5400,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_fasttimo() at mld6_fasttimo+0x16d mld6_checktimer sys/netinet6/mld6.c:395 [inline] mld6_fasttimo() at mld6_fasttimo+0x16d sys/netinet6/mld6.c:369 pffasttimo(ffffffff83a152a8) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff8383b068,ffffffff83a152a8) at timeout_run+0x159 sys/kern/kern_timeout.c:698 softclock_thread_run(ffffffff8383b068) at softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 softclock_thread_mp(ffff8000fffff228) at softclock_thread_mp+0x86 end trace frame: 0x0, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1fe800 rbx 0xffff8000299dee07 rdx 0 rcx 0xffff8000fffff228 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xafc2a86cba35ee18 r11 0x5d091705caca1e45 r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff817c1d35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a1fe7f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (softclockmp) tid=153282 pid=69873 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffff758,0xffff8000ffffefa0 process=0xffff8000ffff9ce0 user=0xffff80002a1f9000, vmspace=0xffffffff838bee00 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28763 411237 48997 0 2 0 syz-executor 19279 206132 33488 0 2 0 syz-executor 19279 263558 33488 0 3 0x4000080 fsleep syz-executor 57315 278197 81276 0 2 0xc80 syz-executor 57315 277521 81276 0 3 0x4000080 fsleep syz-executor 57315 488479 81276 0 3 0x4000080 fsleep syz-executor 57315 258536 81276 0 3 0x4000080 ttyout syz-executor 62266 28784 90443 0 2 0 syz-executor 62266 362120 90443 0 7 0x4000000 syz-executor 62266 233407 90443 0 3 0x4000000 fltagain2 syz-executor 62266 427221 90443 0 3 0x4000080 pipeiolk syz-executor 27523 166689 93797 0 2 0xc80 syz-executor 27523 234894 93797 0 3 0x4000080 kqread syz-executor 27523 425139 93797 0 3 0x4000080 fsleep syz-executor 27523 189700 93797 0 3 0x4000080 fsleep syz-executor 73208 449264 61168 0 2 0xc80 syz-executor 73208 524210 61168 0 3 0x4000080 piperd syz-executor 73208 57512 61168 0 3 0x4000080 fsleep syz-executor 73208 311132 61168 0 3 0x4000080 fsleep syz-executor 73707 45945 39923 0 2 0xc90 syz-executor 73707 194314 39923 0 3 0x4000090 tunread syz-executor 73707 197000 39923 0 3 0x4000090 fsleep syz-executor 73707 404038 39923 0 3 0x4000090 fsleep syz-executor 17258 250372 0 0 3 0x14280 nfsidl nfsio 36292 141367 0 0 3 0x14280 nfsidl nfsio 38512 470268 0 0 3 0x14280 nfsidl nfsio 36178 232163 0 0 3 0x14280 nfsidl nfsio 73753 18762 0 0 3 0x14280 nfsidl nfsio 26307 299142 0 0 3 0x14280 nfsidl nfsio 6994 362716 0 0 3 0x14280 nfsidl nfsio 47684 318002 0 0 3 0x14280 nfsidl nfsio 76981 492783 0 0 3 0x14280 nfsidl nfsio 11011 213461 0 0 3 0x14280 nfsidl nfsio 40909 240597 0 0 3 0x14280 nfsidl nfsio 54430 90223 0 0 3 0x14280 nfsidl nfsio 85847 102903 0 0 3 0x14280 nfsidl nfsio 80 271367 0 0 3 0x14280 nfsidl nfsio 4625 37311 0 0 3 0x14280 nfsidl nfsio 84676 167893 0 0 3 0x14280 nfsidl nfsio 57293 47574 0 0 3 0x14280 nfsidl nfsio 11473 483393 0 0 3 0x14280 nfsidl nfsio 6569 409469 0 0 3 0x14280 nfsidl nfsio 96587 240118 0 0 3 0x14280 nfsidl nfsio 93797 220527 59759 0 2 0xc82 syz-executor 48997 211320 59759 0 3 0x82 nanoslp syz-executor 33488 331400 59759 0 3 0x82 nanoslp syz-executor 61168 174106 59759 0 2 0xc82 syz-executor 81276 472125 59759 0 2 0xc82 syz-executor 91175 74736 59759 0 2 0xc82 syz-executor 90443 32226 59759 0 2 0xc82 syz-executor 39923 127185 59759 0 2 0xc82 syz-executor 59759 76872 21052 0 3 0x82 kqread syz-executor 21052 436304 15724 0 3 0x10008a sigsusp ksh 15724 491599 48389 0 3 0x98 kqread sshd-session 48389 362189 78359 0 3 0x92 kqread sshd-session 43406 244076 1 0 3 0x100083 ttyopn getty 78359 104537 1 0 3 0x88 kqread sshd 38541 413052 76635 74 3 0x1100092 bpf pflogd 76635 48725 1 0 3 0x80 sbwait pflogd 14563 404831 85021 73 3 0x1100090 kqread syslogd 85021 491429 1 0 3 0x100082 sbwait syslogd 84153 190676 1 0 3 0x100080 kqread resolvd 49098 101375 62385 77 3 0x100092 kqread dhcpleased 63315 199186 62385 77 3 0x100092 kqread dhcpleased 62385 132472 1 0 3 0x80 kqread dhcpleased 38805 216352 0 0 3 0x14200 bored smr 63740 17393 0 0 3 0x14200 pgzero zerothread 12757 86350 0 0 3 0x14200 aiodoned aiodoned 3474 500377 0 0 3 0x14200 syncer update 31315 463684 0 0 3 0x14200 cleaner cleaner 72996 51292 0 0 3 0x14200 reaper reaper 85368 222729 0 0 3 0x14200 pgdaemon pagedaemon 46215 130351 0 0 3 0x14200 bored viomb 75364 183774 0 0 3 0x40014200 acpi0 acpi0 70442 358765 0 0 3 0x40014200 idle1 49483 293550 0 0 3 0x14200 bored softnet1 57574 369757 0 0 3 0x14200 bored softnet0 92744 48693 0 0 3 0x14200 bored systqmp 34072 308238 0 0 3 0x14200 bored systq *69873 153282 0 0 7 0x14200 softclockmp 81167 276328 0 0 3 0x40014200 tmoslp softclock 60022 148540 0 0 3 0x40014200 idle0 1 89112 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 28763 (syz-executor) thread 0xffff8000fffe7788 (411237) exclusive rwlock amaplk r = 0 (0xfffffd806d9b3230) #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_check+0x8a9 sys/uvm/uvm_fault.c:834 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806a953120) #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 62266 (syz-executor) thread 0xffff80003c404800 (362120) exclusive rrwlock inode r = 0 (0xfffffd806e917378) #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 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:775 #9 Xsyscall+0x128 Process 73707 (syz-executor) thread 0xffff80003c404d30 (194314) exclusive rrwlock inode r = 0 (0xfffffd806ab148f8) #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 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x6a0 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xc43 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 69873 (softclockmp) thread 0xffff8000fffff228 (153282) exclusive rwlock maddr r = 0 (0xffff80000159a878) #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 mld6_fasttimo+0x8c mld6_checktimer sys/netinet6/mld6.c:-1 [inline] #2 mld6_fasttimo+0x8c sys/netinet6/mld6.c:369 #3 pffasttimo+0x184 sys/kern/uipc_domain.c:-1 #4 timeout_run+0x159 sys/kern/kern_timeout.c:698 #5 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #6 softclock_thread_mp+0x86 #7 proc_trampoline+0x10 shared rwlock netlock r = 0 (0xffffffff83832e50) #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 mld6_fasttimo+0x5f sys/netinet6/mld6.c:-1 #3 pffasttimo+0x184 sys/kern/uipc_domain.c:-1 #4 timeout_run+0x159 sys/kern/kern_timeout.c:698 #5 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #6 softclock_thread_mp+0x86 #7 proc_trampoline+0x10 shared rwlock timeout r = 0 (0xffffffff8383b008) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 timeout_run+0x131 sys/kern/kern_timeout.c:694 #2 softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 #3 softclock_thread_mp+0x86 #4 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11086 12157K 12437K 166960K 12687 0 pcb 18 12K 12K 166960K 74 0 rtable 176 7K 7K 166960K 393 0 pf 32 17K 19K 166960K 84 0 ifaddr 34 5K 7K 166960K 64 0 ifgroup 51 2K 2K 166960K 94 0 sysctl 3 1K 9K 166960K 11 0 counters 68 36K 37K 166960K 114 0 ioctlops 0 0K 8K 166960K 1608 0 iov 1 12K 26K 166960K 28 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1425 90K 90K 166960K 1746 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 460 0 sigio 0 0K 0K 166960K 2 0 proc 72 115K 147K 166960K 549 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 48 0 in_multi 71 5K 7K 166960K 121 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 438 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 273 160K 173K 166960K 5989 0 UVM aobj 17 8K 8K 166960K 20 0 pinsyscall 43 86K 106K 166960K 1584 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 37 0 NDP 11 0K 2K 166960K 42 0 temp 48 8684K 8749K 166960K 16562 0 kqueue 15 24K 30K 166960K 94 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 54 0 51 1 0 1 1 0 8 0 rtentry 176 117 0 44 6 0 6 6 0 8 0 unpcb 144 190 0 171 2 0 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 77 0 70 1 0 1 1 0 8 0 arp 136 19 0 4 1 0 1 1 0 8 0 inpcb 328 360 0 347 4 0 4 4 0 8 2 nd6 152 25 0 8 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 18 0 18 1 0 1 1 0 8 1 pppxif 1576 2 0 2 1 0 1 1 0 8 1 pffrag 232 36 0 33 1 0 1 1 0 482 0 pffrnode 88 36 0 33 1 0 1 1 0 8 0 pffrent 40 134 0 131 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 43 0 1 1 0 1 1 0 8 0 pfstkey 128 43 0 1 2 0 2 2 0 8 0 pfstate 448 43 0 1 5 0 5 5 0 8 0 pfrule 1344 27 0 22 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 498 0 181 29 2 27 29 0 8 3 art_table 40 500 0 181 5 0 5 5 0 8 0 art_node 32 117 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 13 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2201 0 698 95 0 95 95 0 8 0 ffsino 296 2201 0 698 117 0 117 117 0 8 0 nchpl 144 2850 0 1146 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2535 0 0 141 0 141 141 0 8 0 namei 1024 9517 0 9517 2 0 2 2 0 8 2 percpumem 16 72 0 23 1 0 1 1 0 8 0 vcpupl 3968 3 0 0 1 0 1 1 0 8 0 vmpool 848 4 0 1 1 0 1 1 0 8 0 kstatmem 264 54 0 30 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 14115 0 14115 9 4 5 8 1 8 5 plimitpl 152 110 0 92 1 0 1 1 0 8 0 sigapl 424 788 0 720 8 0 8 8 0 8 0 knotepl 120 573 0 0 18 0 18 18 0 8 0 kqueuepl 224 172 0 160 3 1 2 3 0 8 1 pipepl 344 212 0 183 3 0 3 3 0 8 0 fdescpl 528 752 0 720 3 0 3 3 0 8 0 filepl 160 4066 0 3829 13 0 13 13 0 8 2 lockfpl 104 152 0 149 1 0 1 1 0 8 0 lockfspl 48 66 0 63 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 559 0 543 1 0 1 1 0 8 0 zombiepl 144 721 0 720 1 0 1 1 0 8 0 processpl 1232 788 0 720 6 0 6 6 0 8 0 procpl 664 1365 0 1281 8 0 8 8 0 8 0 sosppl 176 5 0 5 1 0 1 1 0 8 1 sockpl 752 611 0 575 8 0 8 8 0 8 4 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 84 0 0 11 0 11 11 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 1206 0 0 75 0 75 75 0 8 0 bufpl 280 5441 0 128 380 0 380 380 0 8 0 anonpl 32 9833 0 0 80 0 80 80 0 246 0 amapchunkpl 152 18914 0 18325 29 0 29 29 0 158 5 amappl16 200 2728 0 2665 24 8 16 22 0 8 8 amappl15 192 4 0 3 1 0 1 1 0 8 0 amappl14 184 1 0 1 1 1 0 1 0 8 0 amappl13 176 427 0 426 1 0 1 1 0 8 0 amappl12 168 1108 0 1065 3 0 3 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 81 0 80 1 0 1 1 0 8 0 amappl6 120 269 0 255 1 0 1 1 0 8 0 amappl5 112 103 0 92 1 0 1 1 0 8 0 amappl4 104 424 0 393 1 0 1 1 0 8 0 amappl3 96 3260 0 3145 4 1 3 3 0 8 0 amappl2 88 865 0 785 2 0 2 2 0 8 0 amappl1 80 10410 0 9811 15 2 13 15 0 8 0 amappl 88 5222 0 5028 5 0 5 5 0 92 0 uvmvnodes 80 110 0 0 3 0 3 3 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 128 254 0 254 2 1 1 1 0 8 1 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 19 0 3 1 0 1 1 0 8 0 uaddrrnd 24 752 0 720 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 752 0 720 1 0 1 1 0 8 0 vmmpekpl 168 7879 0 7835 3 0 3 3 0 8 0 vmmpepl 168 54533 0 52490 104 0 104 104 0 357 7 vmsppl 488 751 0 720 5 1 4 5 0 8 0 rwobjpl 80 17719 0 16582 30 0 30 30 0 8 2 pdppl 4096 1519 0 1445 100 26 74 83 0 8 0 pvpl 32 18574 0 0 150 0 150 150 0 265 0 pmappl 256 755 0 721 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 348 0 31 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83878ff0) 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+0x25 kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:153 __mp_lock(ffffffff83970900) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83970900,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffd806a65b120) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806a65b120) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs_write(ffff80003c41e110) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377 VOP_WRITE(fffffd805cff5488,ffff80003c41e2c8,7,fffffd80097fd5b0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806aa82868,ffff80003c41e2c8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c404800,5,ffff80003c41e2c8,0,ffff80003c41e380) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c404800,ffff80003c41e430,ffff80003c41e380) at sys_write+0xa2 sys/kern/sys_generic.c:300 end trace frame: 0xffff80003c41e420, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83878ff0) 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+0x25 kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:153 __mp_lock(ffffffff83970900) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83970900,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffd806a65b120) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806a65b120) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 ffs_write(ffff80003c41e110) at ffs_write+0x810 sys/ufs/ffs/ffs_vnops.c:377 VOP_WRITE(fffffd805cff5488,ffff80003c41e2c8,7,fffffd80097fd5b0) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806aa82868,ffff80003c41e2c8,0) at vn_write+0x1d3 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80003c404800,5,ffff80003c41e2c8,0,ffff80003c41e380) at dofilewritev+0x242 sys/kern/sys_generic.c:380 sys_write(ffff80003c404800,ffff80003c41e430,ffff80003c41e380) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003c41e430) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c41e430) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf2dc073710, count: -16 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b5a1c) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffff80000159a878,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff80000159a860,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd806d699f00,ffffffff83987338,0,0,ffff80002a1febb0,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5400,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_fasttimo() at mld6_fasttimo+0x16d mld6_checktimer sys/netinet6/mld6.c:395 [inline] mld6_fasttimo() at mld6_fasttimo+0x16d sys/netinet6/mld6.c:369 pffasttimo(ffffffff83a152a8) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff8383b068,ffffffff83a152a8) at timeout_run+0x159 sys/kern/kern_timeout.c:698 softclock_thread_run(ffffffff8383b068) at softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 softclock_thread_mp(ffff8000fffff228) at softclock_thread_mp+0x86 end trace frame: 0x0, count: 3 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b5a1c) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(ffff80000159a878,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff80000159a860,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd806d699ff0,ffff80000159a800) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd806d699f00,ffffffff83987338,0,0,ffff80002a1febb0,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5400,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_fasttimo() at mld6_fasttimo+0x16d mld6_checktimer sys/netinet6/mld6.c:395 [inline] mld6_fasttimo() at mld6_fasttimo+0x16d sys/netinet6/mld6.c:369 pffasttimo(ffffffff83a152a8) at pffasttimo+0x184 sys/kern/uipc_domain.c:-1 timeout_run(ffffffff8383b068,ffffffff83a152a8) at timeout_run+0x159 sys/kern/kern_timeout.c:698 softclock_thread_run(ffffffff8383b068) at softclock_thread_run+0xe7 sys/kern/kern_timeout.c:842 softclock_thread_mp(ffff8000fffff228) at softclock_thread_mp+0x86 end trace frame: 0x0, count: -12