panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *263577 55108 0 0 0x4000000 1 syz-executor.0 352523 26495 0 0x2 0x480 0 syz-executor.4 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076c2ea90) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076c2ea90) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076c2e978) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002e365bf8,ffff80002e365c04,85,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002e365bf8,ffff80002e365c04,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002e365bf8,ffff80002e365c04,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807669f800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807669f800,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd807f00da00,ffff8000006d5600,fffffd806f675de0,0,0,fffffd806f675d68) at ip6_output+0xf57 rip6_output(fffffd807f00da00,fffffd8076c2e018,ffff80002e365f60,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8076c2e018,9,fffffd807f00da00,0,0,ffff8000ffff47e0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 end trace frame: 0xffff80002e3660e0, 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076c2ea90) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076c2ea90) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076c2e978) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002e365bf8,ffff80002e365c04,85,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002e365bf8,ffff80002e365c04,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002e365bf8,ffff80002e365c04,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807669f800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807669f800,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd807f00da00,ffff8000006d5600,fffffd806f675de0,0,0,fffffd806f675d68) at ip6_output+0xf57 rip6_output(fffffd807f00da00,fffffd8076c2e018,ffff80002e365f60,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8076c2e018,9,fffffd807f00da00,0,0,ffff8000ffff47e0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd8076c2e018,0,ffff80002e366198,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff47e0,5,ffff80002e366198,0,ffff80002e366290) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff47e0,ffff80002e366238,ffff80002e366290) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002e366300) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e366300) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x13df85dd030, count: -19 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e365710 rbx 0xffff800020ce9bff rdx 0xffff800000bda440 rcx 0 rax 0xffff8000ffff47e0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2fa081e1b6717c7a r11 0xaa9aa8052b6fef53 r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff815a2d98 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e365700 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=263577 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff80002af2ed30,0xffff8000ffff4fd0 process=0xffff800027ae4c90 user=0xffff80002e361000, vmspace=0xfffffd806ac86740 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83731 391086 86071 0 2 0 syz-executor.7 8422 68658 33023 0 2 0 syz-executor.6 8422 216539 33023 0 2 0x4000000 syz-executor.6 17971 510734 26495 0 2 0 syz-executor.4 17971 457577 26495 0 3 0x4000080 fsleep syz-executor.4 4089 493778 18993 0 2 0 syz-executor.3 4089 226460 18993 0 2 0x4000000 syz-executor.3 221 404886 6159 0 2 0 syz-executor.2 221 202493 6159 0 3 0x4000080 fsleep syz-executor.2 55108 454054 17408 0 2 0 syz-executor.0 *55108 263577 17408 0 7 0x4000000 syz-executor.0 78400 212729 70086 0 2 0 syz-executor.5 78400 264472 70086 0 3 0x4000080 fsleep syz-executor.5 86071 33182 80338 0 2 0x482 syz-executor.7 33023 263706 80338 0 2 0x482 syz-executor.6 70086 386698 80338 0 2 0x482 syz-executor.5 26495 352523 80338 0 7 0x482 syz-executor.4 18993 463789 80338 0 3 0x82 nanoslp syz-executor.3 6159 39655 80338 0 2 0x482 syz-executor.2 15049 170146 80338 0 2 0x2 syz-executor.1 17408 145918 80338 0 3 0x82 nanoslp syz-executor.0 80338 145556 10780 0 2 0x482 syz-fuzzer 80338 519430 10780 0 2 0x4000482 syz-fuzzer 80338 58792 10780 0 3 0x4000082 thrsleep syz-fuzzer 80338 392618 10780 0 3 0x4000082 thrsleep syz-fuzzer 80338 313614 10780 0 3 0x4000082 thrsleep syz-fuzzer 80338 494437 10780 0 3 0x4000082 thrsleep syz-fuzzer 80338 451354 10780 0 3 0x4000082 thrsleep syz-fuzzer 80338 330264 10780 0 3 0x4000082 kqread syz-fuzzer 80338 178629 10780 0 3 0x4000082 thrsleep syz-fuzzer 10780 495482 95100 0 3 0x10008a sigsusp ksh 95100 241430 12233 0 3 0x9a kqread sshd 94256 77862 1 0 3 0x100083 ttyin getty 12233 362246 1 0 3 0x88 kqread sshd 36712 311695 91525 74 3 0x1100092 bpf pflogd 91525 121058 1 0 3 0x80 netio pflogd 74426 457353 18454 73 3 0x1100090 kqread syslogd 18454 1366 1 0 3 0x100082 netio syslogd 92177 260503 1 0 3 0x100080 kqread resolvd 63229 265319 2295 77 3 0x100092 kqread dhcpleased 73481 189808 2295 77 3 0x100092 kqread dhcpleased 2295 515757 1 0 3 0x80 kqread dhcpleased 24237 261151 0 0 3 0x14200 bored smr 80951 8219 0 0 2 0x14200 zerothread 65944 128401 0 0 3 0x14200 aiodoned aiodoned 42602 293724 0 0 3 0x14200 syncer update 51480 519247 0 0 3 0x14200 cleaner cleaner 50893 53048 0 0 3 0x14200 reaper reaper 302 519892 0 0 3 0x14200 pgdaemon pagedaemon 71875 393889 0 0 3 0x14200 bored viomb 58353 258310 0 0 3 0x40014200 acpi0 acpi0 13588 445950 0 0 3 0x40014200 idle1 16441 435386 0 0 3 0x14200 bored softnet 44358 498703 0 0 3 0x14200 bored systqmp 12790 164226 0 0 3 0x14200 bored systq 57589 435096 0 0 3 0x40014200 bored softclock 4336 60704 0 0 3 0x40014200 idle0 1 298597 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x28f #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip6_input_if+0x920 #6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #7 if_input_local+0x136 sys/net/if.c:778 #8 ip6_output+0xf57 #9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 55108 (syz-executor.0) thread 0xffff8000ffff47e0 (263577) exclusive rwlock netlock r = 0 (0xffffffff829bbd70) #0 witness_lock+0x44d #1 solock+0x86 sys/kern/uipc_socket2.c:295 #2 sosend+0x517 sys/kern/uipc_socket.c:570 #3 dofilewritev+0x19c sys/kern/sys_generic.c:381 #4 sys_write+0x83 sys/kern/sys_generic.c:301 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x28f #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip6_input_if+0x920 #6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #7 if_input_local+0x136 sys/net/if.c:778 #8 ip6_output+0xf57 #9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 15049 (syz-executor.1) thread 0xffff8000ffff4000 (170146) exclusive rrwlock inode r = 0 (0xfffffd806214dd58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a867918) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 6483K 8603K 78643K 12015 0 pcb 17 8K 8K 78643K 160 0 rtable 238 6K 7K 78643K 380 0 ifaddr 86 17K 18K 78643K 106 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 4K 78643K 1518 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1279 80K 80K 78643K 1518 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 89K 78643K 835 0 proc 68 87K 111K 78643K 507 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 52 0 in_multi 101 6K 6K 78643K 109 0 ether_multi 2 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 85 387K 387K 78643K 85 0 exec 0 0K 2K 78643K 644 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 279 78K 78K 78643K 11443 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 1K 78643K 116 0 NDP 12 0K 2K 78643K 28 0 temp 89 4697K 4761K 78643K 6109 0 kqueue 12 18K 18K 78643K 22 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 61 0 58 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 136 145 0 130 1 0 1 1 0 8 0 syncache 296 15 0 15 2 2 0 1 0 8 0 tcpqe 32 5 0 5 1 0 1 1 0 8 1 tcpcb 736 155 0 149 5 2 3 5 0 8 2 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 312 546 0 535 2 0 2 2 0 8 1 nd6 48 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 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 pfstitem 24 38 0 2 1 0 1 1 0 8 0 pfstkey 112 38 0 2 2 0 2 2 0 8 0 pfstate 320 38 0 2 4 0 4 4 0 8 0 pfrule 1360 37 0 32 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2339 0 902 91 0 91 91 0 8 0 ffsino 272 2339 0 902 97 0 97 97 0 8 0 nchpl 144 3416 0 1747 63 0 63 63 0 8 0 uvmvnodes 80 2637 0 0 54 0 54 54 0 8 0 vnodes 224 2637 0 0 156 0 156 156 0 8 0 namei 1024 9902 0 9902 2 1 1 2 0 8 1 percpumem 16 40 0 0 1 0 1 1 0 8 0 scsiplug 72 5 0 5 1 1 0 1 0 8 0 scxspl 216 10295 0 10295 9 1 8 8 0 8 8 plimitpl 152 52 0 37 1 0 1 1 0 8 0 sigapl 424 1138 0 1094 6 0 6 6 0 8 0 futexpl 64 4421 0 4418 1 0 1 1 0 8 0 knotepl 120 108 0 0 4 0 4 4 0 8 0 kqueuepl 216 63 0 55 1 0 1 1 0 8 0 pipepl 336 129 0 101 3 0 3 3 0 8 0 fdescpl 496 1124 0 1094 5 1 4 5 0 8 0 filepl 152 3562 0 3320 10 0 10 10 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 7 1 0 1 1 0 8 0 ucredpl 96 260 0 248 1 0 1 1 0 8 0 zombiepl 144 1094 0 1094 1 0 1 1 0 8 1 processpl 1064 1138 0 1094 4 0 4 4 0 8 0 procpl 672 1937 0 1879 6 0 6 6 0 8 0 sockpl 480 752 0 723 5 0 5 5 0 8 1 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k 2048 123 0 0 14 0 14 14 0 8 0 mtagpl 96 48 0 0 2 0 2 2 0 8 0 mbufpl 256 372 0 0 23 0 23 23 0 8 0 bufpl 288 4424 0 150 306 0 306 306 0 8 0 anonpl 24 273523 0 265792 126 3 123 124 0 186 58 amapchunkpl 152 26033 0 25428 28 1 27 27 0 158 1 amappl16 200 3830 0 3693 46 28 18 45 0 8 8 amappl15 192 186 0 179 1 0 1 1 0 8 0 amappl14 184 106 0 102 1 0 1 1 0 8 0 amappl13 176 175 0 171 1 0 1 1 0 8 0 amappl12 168 32 0 29 1 0 1 1 0 8 0 amappl11 160 134 0 117 1 0 1 1 0 8 0 amappl10 152 251 0 241 1 0 1 1 0 8 0 amappl9 144 661 0 656 1 0 1 1 0 8 0 amappl8 136 582 0 538 2 0 2 2 0 8 0 amappl7 128 117 0 106 1 0 1 1 0 8 0 amappl6 120 413 0 394 2 1 1 2 0 8 0 amappl5 112 934 0 911 1 0 1 1 0 8 0 amappl4 104 995 0 966 2 1 1 2 0 8 0 amappl3 96 265 0 251 1 0 1 1 0 8 0 amappl2 88 622 0 576 3 1 2 3 0 8 0 amappl1 80 22248 0 21661 19 6 13 19 0 8 0 amappl 88 10980 0 10761 6 0 6 6 0 92 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1124 0 1094 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1124 0 1094 1 0 1 1 0 8 0 vmmpekpl 168 10482 0 10421 3 0 3 3 0 8 0 vmmpepl 168 100400 0 98314 125 1 124 124 0 357 31 vmsppl 368 1123 0 1094 4 1 3 4 0 8 0 rwobjpl 56 28256 0 24539 62 0 62 62 0 8 3 pdppl 4096 2255 0 2188 100 31 69 83 0 8 2 pvpl 32 604948 0 592959 248 10 238 247 0 265 127 pmappl 248 1123 0 1094 3 1 2 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 689 0 38 19 0 19 19 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a6ef98) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a6ef98,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff800026ab6b70,1) at sleep_finish+0x198 sys/kern/kern_synch.c:437 tsleep(ffffffff82a216e0,120,ffffffff8256ae1a,2) at tsleep+0x12c sys/kern/kern_synch.c:158 sys_nanosleep(ffff800021142a88,ffff800026ab6c90,ffff800026ab6cf0) at sys_nanosleep+0x1f5 sys/kern/kern_time.c:299 syscall(ffff800026ab6d60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800026ab6d60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe5c00, count: 3 ddb{0}> trace x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 kd_curproc sys/dev/kcov.c:577 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x28 sys/dev/kcov.c:148 __mp_lock(ffffffff82a6ef98) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a6ef98,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff800026ab6b70,1) at sleep_finish+0x198 sys/kern/kern_synch.c:437 tsleep(ffffffff82a216e0,120,ffffffff8256ae1a,2) at tsleep+0x12c sys/kern/kern_synch.c:158 sys_nanosleep(ffff800021142a88,ffff800026ab6c90,ffff800026ab6cf0) at sys_nanosleep+0x1f5 sys/kern/kern_time.c:299 syscall(ffff800026ab6d60) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800026ab6d60) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe5c00, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076c2ea90) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076c2ea90) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076c2e978) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002e365bf8,ffff80002e365c04,85,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002e365bf8,ffff80002e365c04,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002e365bf8,ffff80002e365c04,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807669f800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807669f800,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd807f00da00,ffff8000006d5600,fffffd806f675de0,0,0,fffffd806f675d68) at ip6_output+0xf57 rip6_output(fffffd807f00da00,fffffd8076c2e018,ffff80002e365f60,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8076c2e018,9,fffffd807f00da00,0,0,ffff8000ffff47e0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 end trace frame: 0xffff80002e3660e0, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076c2ea90) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076c2ea90) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076c2e978) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002e365bf8,ffff80002e365c04,85,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002e365bf8,ffff80002e365c04,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002e365bf8,ffff80002e365c04,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807669f800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807669f800,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd807f00da00,ffff8000006d5600,fffffd806f675de0,0,0,fffffd806f675d68) at ip6_output+0xf57 rip6_output(fffffd807f00da00,fffffd8076c2e018,ffff80002e365f60,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8076c2e018,9,fffffd807f00da00,0,0,ffff8000ffff47e0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd8076c2e018,0,ffff80002e366198,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff47e0,5,ffff80002e366198,0,ffff80002e366290) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff47e0,ffff80002e366238,ffff80002e366290) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002e366300) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e366300) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x13df85dd030, count: -19