wpanic: excl->share Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 485286 97292 0 0 0 0 syz-executor *348032 23587 0 0 0x4000000 1K syz-executor 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(ffff8000015a0078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff8000015a0060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd807781a700,ffffffff83987338,0,0,ffff80003c47c970,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5780,84,ffff80003c47ca08) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_stop_listening(ffff8000015a5780,ffff8000015a0000) at mld6_stop_listening+0x125 sys/netinet6/mld6.c:168 in6_delmulti(ffff8000015a5780) at in6_delmulti+0xb1 sys/netinet6/in6.c:1118 in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 in6_leavegroup sys/netinet6/in6.c:1181 [inline] in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 sys/netinet6/in6.c:916 in6_ifdetach(ffff8000015a0000) at in6_ifdetach+0x9e sys/netinet6/in6_ifattach.c:412 if_setrdomain(ffff8000015a0000,b) at if_setrdomain+0x280 sys/net/if.c:2109 ifioctl(ffff800001614618,8020699f,ffff80003c47cdb0,ffff8000fffe6800) at ifioctl+0x2462 sys/net/if.c:2398 sys_ioctl(ffff8000fffe6800,ffff80003c47cf90,ffff80003c47cee0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 end trace frame: 0xffff80003c47cf80, count: 0 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(ffff8000015a0078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff8000015a0060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd807781a700,ffffffff83987338,0,0,ffff80003c47c970,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5780,84,ffff80003c47ca08) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_stop_listening(ffff8000015a5780,ffff8000015a0000) at mld6_stop_listening+0x125 sys/netinet6/mld6.c:168 in6_delmulti(ffff8000015a5780) at in6_delmulti+0xb1 sys/netinet6/in6.c:1118 in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 in6_leavegroup sys/netinet6/in6.c:1181 [inline] in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 sys/netinet6/in6.c:916 in6_ifdetach(ffff8000015a0000) at in6_ifdetach+0x9e sys/netinet6/in6_ifattach.c:412 if_setrdomain(ffff8000015a0000,b) at if_setrdomain+0x280 sys/net/if.c:2109 ifioctl(ffff800001614618,8020699f,ffff80003c47cdb0,ffff8000fffe6800) at ifioctl+0x2462 sys/net/if.c:2398 sys_ioctl(ffff8000fffe6800,ffff80003c47cf90,ffff80003c47cee0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47cf90) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47cf90) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x128b76eafa0, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c47c5c0 rbx 0xffff8000299dee07 rdx 0xffff800001588b40 rcx 0xffff8000fffe6800 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa62cf0a34aad7399 r11 0xde8563059f41d5c5 r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff817c1d35 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c47c5b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=348032 pid=23587 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffedca8,0xffff8000fffe7a38 process=0xffff80003c4f26b0 user=0xffff80003c478000, vmspace=0xfffffd806b5719b0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97292 485286 64087 0 7 0 syz-executor 4206 437027 25344 0 2 0 syz-executor 4206 358939 25344 0 3 0x4000080 fsleep syz-executor 80343 448461 9068 0 2 0x100002 sh 23587 337378 14908 0 2 0 syz-executor *23587 348032 14908 0 7 0x4000000 syz-executor 23587 261297 14908 0 3 0x4000080 fsleep syz-executor 23587 33200 14908 0 3 0x4000080 fsleep syz-executor 45080 65008 32216 0 3 0x80 nanoslp syz-executor 45080 340868 32216 0 3 0x4000080 kqsel syz-executor 45080 72046 32216 0 3 0x4000080 fsleep syz-executor 9068 169012 29445 0 3 0x82 wait syz-executor 65100 368133 46416 0 3 0x3000 suspend syz-executor 65100 397154 46416 0 3 0x4081000 biowait syz-executor 46416 303265 29445 0 3 0x82 nanoslp syz-executor 27018 148085 0 0 3 0x14280 nfsidl nfsio 66283 51705 0 0 3 0x14280 nfsidl nfsio 23086 158477 0 0 3 0x14280 nfsidl nfsio 14750 154907 0 0 3 0x14280 nfsidl nfsio 24913 139804 0 0 3 0x14280 nfsidl nfsio 96684 417772 0 0 3 0x14280 nfsidl nfsio 19258 280012 0 0 3 0x14280 nfsidl nfsio 50974 59091 0 0 3 0x14280 nfsidl nfsio 49757 157455 0 0 3 0x14280 nfsidl nfsio 19448 307195 0 0 3 0x14280 nfsidl nfsio 70701 17573 0 0 3 0x14280 nfsidl nfsio 17064 42891 0 0 3 0x14280 nfsidl nfsio 29923 440483 0 0 3 0x14280 nfsidl nfsio 15296 217157 0 0 3 0x14280 nfsidl nfsio 79782 296120 0 0 3 0x14280 nfsidl nfsio 92393 112248 0 0 3 0x14280 nfsidl nfsio 29561 493019 0 0 3 0x14280 nfsidl nfsio 96976 215939 0 0 3 0x14280 nfsidl nfsio 63250 480304 0 0 3 0x14280 nfsidl nfsio 93348 146093 0 0 3 0x14280 nfsidl nfsio 13698 162883 0 0 3 0x14200 acct acct 32216 33276 29445 0 3 0x82 nanoslp syz-executor 64087 134537 29445 0 3 0x82 nanoslp syz-executor 14908 511920 29445 0 3 0x82 nanoslp syz-executor 63130 501136 29445 0 3 0x82 nanoslp syz-executor 25344 367339 29445 0 3 0x82 nanoslp syz-executor 96018 6897 29445 0 3 0x82 wait syz-executor 29445 251836 76348 0 3 0x82 kqread syz-executor 76348 133276 21063 0 3 0x10008a sigsusp ksh 21063 125460 22967 0 3 0x98 kqread sshd-session 22967 255757 33679 0 3 0x92 kqread sshd-session 67168 294055 1 0 3 0x100083 ttyin getty 33679 278519 1 0 3 0x88 kqread sshd 94908 11903 76684 74 3 0x1100092 bpf pflogd 76684 87057 1 0 3 0x80 sbwait pflogd 8836 281125 89649 73 3 0x1100090 kqread syslogd 89649 44960 1 0 3 0x100082 sbwait syslogd 28406 351318 1 0 3 0x100080 kqread resolvd 42000 207145 78949 77 2 0x100092 dhcpleased 26325 490686 78949 77 3 0x100092 kqread dhcpleased 78949 78379 1 0 3 0x80 kqread dhcpleased 3009 312022 0 0 3 0x14200 pause smr 2669 72665 0 0 2 0x14200 zerothread 3640 446605 0 0 3 0x14200 aiodoned aiodoned 42726 217241 0 0 3 0x14200 syncer update 5899 152870 0 0 3 0x14200 cleaner cleaner 10808 100308 0 0 3 0x14200 reaper reaper 25140 220428 0 0 3 0x14200 pgdaemon pagedaemon 364 99341 0 0 3 0x14200 bored viomb 526 442600 0 0 3 0x40014200 acpi0 acpi0 6773 358486 0 0 3 0x40014200 idle1 4152 360779 0 0 3 0x14200 bored softnet1 70527 28009 0 0 3 0x14200 bored softnet0 21656 443583 0 0 3 0x14200 smrbar systqmp 11235 84103 0 0 3 0x14200 bored systq 90235 211869 0 0 3 0x14200 tmoslp softclockmp 32999 518260 0 0 3 0x40014200 tmoslp softclock 97996 29272 0 0 3 0x40014200 idle0 1 316183 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 80343 (sh) thread 0xffff8000fffe7a28 (448461) exclusive rwlock vmmaplk r = 0 (0xfffffd806b5714f8) #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:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806b571c98) #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:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 23587 (syz-executor) thread 0xffff8000fffe6800 (348032) exclusive rwlock maddr r = 0 (0xffff8000015a0078) #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 in6_delmulti+0x9d sys/netinet6/in6.c:1116 #3 in6_purgeaddr+0x1d5 in6_leavegroup sys/netinet6/in6.c:1181 [inline] #3 in6_purgeaddr+0x1d5 sys/netinet6/in6.c:916 #4 in6_ifdetach+0x9e sys/netinet6/in6_ifattach.c:412 #5 if_setrdomain+0x280 sys/net/if.c:2109 #6 ifioctl+0x2462 sys/net/if.c:2398 #7 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83970b08) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:175 #3 counters_read+0x1f2 sys/kern/subr_percpu.c:174 #4 if_getdata+0x16f sys/net/if.c:2982 #5 rtm_ifchg+0xfb sys/net/rtsock.c:1794 #6 if_down+0x1cb if_linkstate sys/net/if.c:1888 [inline] #6 if_down+0x1cb sys/net/if.c:1835 #7 if_setrdomain+0x245 sys/net/if.c:2101 #8 ifioctl+0x2462 sys/net/if.c:2398 #9 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive 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_write+0x419 sys/kern/kern_rwlock.c:320 #2 ifioctl+0x244a sys/net/if.c:2397 #3 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 Process 65100 (syz-executor) thread 0xffff80002a27e7e0 (397154) exclusive rrwlock inode r = 0 (0xfffffd806c765208) #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 21656 (systqmp) thread 0xffff8000ffffe530 (443583) shared rwlock systqmp r = 0 (0xffffffff837bcb68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11081 12127K 12477K 166960K 13203 0 pcb 21 13K 13K 166960K 143 0 rtable 192 8K 9K 166960K 534 0 pf 38 18K 20K 166960K 112 0 ifaddr 39 6K 8K 166960K 90 0 ifgroup 59 2K 2K 166960K 127 0 sysctl 3 1K 9K 166960K 12 0 counters 72 37K 38K 166960K 148 0 ioctlops 0 0K 4K 166960K 1586 0 iov 0 0K 28K 166960K 74 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1402 88K 88K 166960K 2078 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 29 136K 137K 166960K 171 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 236K 166960K 818 0 sigio 0 0K 0K 166960K 22 0 proc 72 115K 180K 166960K 630 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 99 0 in_multi 75 5K 7K 166960K 154 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 468 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 255 168K 186K 166960K 9444 0 UVM aobj 30 6K 8K 166960K 38 0 pinsyscall 44 88K 106K 166960K 1992 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 43 0 NDP 13 0K 2K 166960K 56 0 temp 61 8676K 9191K 166960K 24458 0 kqueue 13 20K 30K 166960K 147 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 78 0 75 1 0 1 1 0 8 0 rtentry 176 163 0 86 6 0 6 6 0 8 0 unpcb 144 441 0 423 4 2 2 3 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 173 0 168 2 0 2 2 0 8 1 arp 136 24 0 12 1 0 1 1 0 8 0 inpcb 328 824 0 812 11 3 8 8 0 8 7 nd6 152 32 0 14 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 29 0 29 3 2 1 1 0 8 1 pppxif 1576 4 0 4 3 2 1 1 0 8 1 pffrag 232 8 0 3 1 0 1 1 0 482 0 pffrnode 88 8 0 3 1 0 1 1 0 8 0 pffrent 40 11 0 6 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 62 0 21 1 0 1 1 0 8 0 pfstkey 128 62 0 21 2 0 2 2 0 8 0 pfstate 448 60 0 21 5 0 5 5 0 8 0 pfrule 1344 24 0 19 2 1 1 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 719 0 330 32 5 27 29 0 8 1 art_table 40 723 0 330 5 0 5 5 0 8 0 art_node 32 163 0 88 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 6 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 97 0 70 1 0 1 1 0 8 0 shmpl 112 33 0 7 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2866 0 1356 96 0 96 96 0 8 0 ffsino 296 2866 0 1356 117 0 117 117 0 8 0 nchpl 144 3987 0 2277 64 0 64 64 0 8 0 rtmask 32 6 0 6 3 2 1 1 0 8 1 vnodes 216 3339 0 0 186 0 186 186 0 8 0 namei 1024 12912 0 12912 3 2 1 2 0 8 1 percpumem 16 89 0 38 1 0 1 1 0 8 0 vcpupl 3968 2 0 1 1 0 1 1 0 8 0 vmpool 848 2 0 1 1 0 1 1 0 8 0 kstatmem 264 76 0 46 3 0 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 20067 0 20066 12 10 2 8 1 8 1 plimitpl 152 193 0 174 1 0 1 1 0 8 0 sigapl 424 1129 0 1059 9 1 8 8 0 8 0 knotepl 120 472 0 0 15 0 15 15 0 8 0 kqueuepl 224 281 0 270 4 2 2 3 0 8 1 pipepl 344 171 0 143 3 0 3 3 0 8 0 fdescpl 528 1092 0 1059 3 0 3 3 0 8 0 filepl 160 6357 0 6127 14 1 13 13 0 8 2 lockfpl 104 414 0 411 1 0 1 1 0 8 0 lockfspl 48 130 0 127 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 1040 0 1026 1 0 1 1 0 8 0 zombiepl 144 1384 0 1381 2 1 1 1 0 8 0 processpl 1232 1129 0 1059 7 1 6 6 0 8 0 procpl 664 2269 0 2192 8 0 8 8 0 8 0 sosppl 176 7 0 7 1 1 0 1 0 8 0 sockpl 752 1371 0 1338 15 4 11 12 0 8 7 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k 2048 46 0 0 5 0 5 5 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 228 0 0 14 0 14 14 0 8 0 bufpl 280 9535 0 3399 439 0 439 439 0 8 0 anonpl 32 10352 0 0 84 0 84 84 0 246 0 amapchunkpl 152 30910 0 30345 49 23 26 36 0 158 2 amappl16 200 4323 0 4281 29 16 13 15 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 7 0 6 1 0 1 1 0 8 0 amappl13 176 452 0 450 1 0 1 1 0 8 0 amappl12 168 1465 0 1422 3 0 3 3 0 8 0 amappl11 160 6 0 6 2 2 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 280 0 279 1 0 1 1 0 8 0 amappl8 136 34 0 32 1 0 1 1 0 8 0 amappl7 128 91 0 90 1 0 1 1 0 8 0 amappl6 120 307 0 293 1 0 1 1 0 8 0 amappl5 112 81 0 71 1 0 1 1 0 8 0 amappl4 104 433 0 404 1 0 1 1 0 8 0 amappl3 96 5180 0 5080 3 0 3 3 0 8 0 amappl2 88 1197 0 1121 2 0 2 2 0 8 0 amappl1 80 12122 0 11525 16 2 14 15 0 8 0 amappl 88 8573 0 8398 5 0 5 5 0 92 0 uvmvnodes 80 120 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma16384 16384 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 7 0 7 2 2 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 37 0 8 1 0 1 1 0 8 0 uaddrrnd 24 1092 0 1059 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1092 0 1059 1 0 1 1 0 8 0 vmmpekpl 168 10146 0 10093 3 0 3 3 0 8 0 vmmpepl 168 76401 0 74418 104 7 97 98 0 357 6 vmsppl 488 1091 0 1059 7 2 5 5 0 8 0 rwobjpl 80 23538 0 22428 31 4 27 28 0 8 1 pdppl 4096 2195 0 2121 109 35 74 85 0 8 0 pvpl 32 22388 0 0 182 1 181 181 0 265 0 pmappl 256 1093 0 1060 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 304 0 48 8 0 8 8 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 __mp_lock(ffffffff83970900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2ffc10,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:-1 __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 intr_handler(ffff80002a2ffd80,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83970900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a2fff50) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a2fff50) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x734d37f07d70, count: 2 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 __mp_lock(ffffffff83970900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2ffc10,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:-1 __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 intr_handler(ffff80002a2ffd80,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83970900) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83970900) at __mp_lock+0x192 sys/kern/kern_lock.c:173 syscall(ffff80002a2fff50) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80002a2fff50) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x734d37f07d70, count: -13 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(ffff8000015a0078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff8000015a0060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd807781a700,ffffffff83987338,0,0,ffff80003c47c970,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5780,84,ffff80003c47ca08) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_stop_listening(ffff8000015a5780,ffff8000015a0000) at mld6_stop_listening+0x125 sys/netinet6/mld6.c:168 in6_delmulti(ffff8000015a5780) at in6_delmulti+0xb1 sys/netinet6/in6.c:1118 in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 in6_leavegroup sys/netinet6/in6.c:1181 [inline] in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 sys/netinet6/in6.c:916 in6_ifdetach(ffff8000015a0000) at in6_ifdetach+0x9e sys/netinet6/in6_ifattach.c:412 if_setrdomain(ffff8000015a0000,b) at if_setrdomain+0x280 sys/net/if.c:2109 ifioctl(ffff800001614618,8020699f,ffff80003c47cdb0,ffff8000fffe6800) at ifioctl+0x2462 sys/net/if.c:2398 sys_ioctl(ffff8000fffe6800,ffff80003c47cf90,ffff80003c47cee0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 end trace frame: 0xffff80003c47cf80, count: 0 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(ffff8000015a0078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854 rw_do_enter_read(ffff8000015a0060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355 in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline] in6_hasmulti(fffffd807781a7f0,ffff8000015a0000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150 ip6_output(fffffd807781a700,ffffffff83987338,0,0,ffff80003c47c970,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507 mld6_sendpkt(ffff8000015a5780,84,ffff80003c47ca08) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499 mld6_stop_listening(ffff8000015a5780,ffff8000015a0000) at mld6_stop_listening+0x125 sys/netinet6/mld6.c:168 in6_delmulti(ffff8000015a5780) at in6_delmulti+0xb1 sys/netinet6/in6.c:1118 in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 in6_leavegroup sys/netinet6/in6.c:1181 [inline] in6_purgeaddr(ffff8000015b1d00) at in6_purgeaddr+0x1d5 sys/netinet6/in6.c:916 in6_ifdetach(ffff8000015a0000) at in6_ifdetach+0x9e sys/netinet6/in6_ifattach.c:412 if_setrdomain(ffff8000015a0000,b) at if_setrdomain+0x280 sys/net/if.c:2109 ifioctl(ffff800001614618,8020699f,ffff80003c47cdb0,ffff8000fffe6800) at ifioctl+0x2462 sys/net/if.c:2398 sys_ioctl(ffff8000fffe6800,ffff80003c47cf90,ffff80003c47cee0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c47cf90) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c47cf90) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x128b76eafa0, count: -16