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 *117022 62892 0 0 0x4000000 0 syz-executor.1 59190 91213 0 0x14000 0x200 1 zerothread 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(fffffd8072d6c328) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8072d6c328) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8072d6c210) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff8000294d6098,ffff8000294d60a4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff8000294d6098,ffff8000294d60a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd8064fa0100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd8064fa0100,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd80670bdd00,ffff800000c1a980,fffffd8065b77e00,0,0,fffffd8065b77d88) at ip6_output+0xf57 rip6_output(fffffd80682a6400,fffffd806342e628,ffff8000294d6400,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 end trace frame: 0xffff8000294d64a0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> 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(fffffd8072d6c328) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8072d6c328) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8072d6c210) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff8000294d6098,ffff8000294d60a4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff8000294d6098,ffff8000294d60a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd8064fa0100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd8064fa0100,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd80670bdd00,ffff800000c1a980,fffffd8065b77e00,0,0,fffffd8065b77d88) at ip6_output+0xf57 rip6_output(fffffd80682a6400,fffffd806342e628,ffff8000294d6400,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806342e628,9,fffffd80682a6400,0,0,ffff8000ffff2008) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806342e628,0,ffff8000294d6638,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff2008,4,ffff8000294d6638,0,ffff8000294d6730) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff2008,ffff8000294d66d8,ffff8000294d6730) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff8000294d67a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294d67a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x186cc7a6e30, count: -20 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000294d5aa0 rbx 0xffffffff82987bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000ffff2008 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7362f4e29cd971c7 r11 0x8124223080e23c6f r12 0xffffffff82987a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff815a2d98 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000294d5a90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=117022 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff80002118e000,0xffffffff82a7b4a0 process=0xffff8000fffec020 user=0xffff8000294d1000, vmspace=0xfffffd806a86cd00 estcpu=32, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 62892 422584 7083 0 2 0 syz-executor.1 *62892 117022 7083 0 7 0x4000000 syz-executor.1 97603 144636 4120 0 3 0x80 nanoslp syz-executor.4 97603 393203 4120 0 3 0x4000080 fsleep syz-executor.4 88939 133560 60663 0 3 0x80 nanoslp syz-executor.3 88939 290588 60663 0 3 0x4000080 fsleep syz-executor.3 21364 408388 17114 0 3 0x82 nanoslp syz-executor.5 54253 229115 0 0 3 0x14200 bored sosplice 15154 178356 17114 0 3 0x82 piperd syz-executor.6 50993 239111 0 0 3 0x14280 nfsidl nfsio 78368 269051 0 0 3 0x14280 nfsidl nfsio 39841 468140 0 0 3 0x14280 nfsidl nfsio 81680 82611 0 0 3 0x14280 nfsidl nfsio 36690 191940 0 0 3 0x14280 nfsidl nfsio 2447 201208 0 0 3 0x14280 nfsidl nfsio 73972 461871 0 0 3 0x14280 nfsidl nfsio 9316 275498 0 0 3 0x14280 nfsidl nfsio 77050 226172 0 0 3 0x14280 nfsidl nfsio 20803 48530 0 0 3 0x14280 nfsidl nfsio 98805 106205 0 0 3 0x14280 nfsidl nfsio 15822 513983 0 0 3 0x14280 nfsidl nfsio 45295 355535 0 0 3 0x14280 nfsidl nfsio 35965 2431 0 0 3 0x14280 nfsidl nfsio 22594 252056 0 0 3 0x14280 nfsidl nfsio 69405 420201 0 0 3 0x14280 nfsidl nfsio 1600 238424 0 0 3 0x14280 nfsidl nfsio 97174 417207 0 0 3 0x14280 nfsidl nfsio 44618 397895 0 0 3 0x14280 nfsidl nfsio 73098 476856 0 0 3 0x14280 nfsidl nfsio 88380 486887 17114 0 3 0x82 piperd syz-executor.7 4120 54534 17114 0 3 0x82 nanoslp syz-executor.4 60663 456936 17114 0 3 0x82 nanoslp syz-executor.3 71097 341721 17114 0 3 0x82 nanoslp syz-executor.2 7083 57569 17114 0 3 0x82 nanoslp syz-executor.1 87186 451618 17114 0 3 0x82 nanoslp syz-executor.0 17114 499443 81998 0 3 0x82 thrsleep syz-fuzzer 17114 142280 81998 0 3 0x4000082 nanoslp syz-fuzzer 17114 366874 81998 0 3 0x4000082 thrsleep syz-fuzzer 17114 29227 81998 0 3 0x4000082 thrsleep syz-fuzzer 17114 72670 81998 0 3 0x4000082 kqread syz-fuzzer 17114 324680 81998 0 3 0x4000082 thrsleep syz-fuzzer 17114 96974 81998 0 3 0x4000082 thrsleep syz-fuzzer 17114 55407 81998 0 3 0x4000082 thrsleep syz-fuzzer 81998 239521 37069 0 3 0x10008a sigsusp ksh 37069 438342 3509 0 3 0x9a kqread sshd 11118 80195 1 0 3 0x100083 ttyin getty 3509 48155 1 0 3 0x88 kqread sshd 20976 322994 26348 74 3 0x1100092 bpf pflogd 26348 90497 1 0 3 0x80 netio pflogd 49065 125037 12112 73 3 0x1100090 kqread syslogd 12112 402698 1 0 3 0x100082 netio syslogd 47488 30334 1 0 3 0x100080 kqread resolvd 85746 68805 11405 77 3 0x100092 kqread dhcpleased 57269 379363 11405 77 3 0x100092 kqread dhcpleased 11405 388013 1 0 3 0x80 kqread dhcpleased 48016 278531 0 0 3 0x14200 bored smr 91213 59190 0 0 7 0x14200 zerothread 24658 496014 0 0 3 0x14200 aiodoned aiodoned 56161 193305 0 0 3 0x14200 syncer update 13756 334015 0 0 3 0x14200 cleaner cleaner 94554 476446 0 0 3 0x14200 reaper reaper 56522 462253 0 0 3 0x14200 pgdaemon pagedaemon 48490 306057 0 0 3 0x14200 bored viomb 38240 255263 0 0 3 0x40014200 acpi0 acpi0 56964 281855 0 0 3 0x40014200 idle1 97302 304576 0 0 3 0x14200 bored softnet 22445 172186 0 0 3 0x14200 bored systqmp 93379 198545 0 0 3 0x14200 bored systq 94413 523090 0 0 3 0x40014200 bored softclock 78856 480963 0 0 3 0x40014200 idle0 1 245180 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: 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 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 ip6_output+0xf57 #10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #12 sosend+0x632 sys/kern/uipc_socket.c:582 #13 dofilewritev+0x19c sys/kern/sys_generic.c:381 #14 sys_write+0x83 sys/kern/sys_generic.c:301 #15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #16 Xsyscall+0x128 Process 62892 (syz-executor.1) thread 0xffff8000ffff2008 (117022) 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 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 ip6_output+0xf57 #10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #12 sosend+0x632 sys/kern/uipc_socket.c:582 #13 dofilewritev+0x19c sys/kern/sys_generic.c:381 #14 sys_write+0x83 sys/kern/sys_generic.c:301 #15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #16 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 6613K 6872K 78643K 14925 0 pcb 78 18K 18K 78643K 354 0 rtable 213 6K 11K 78643K 618 0 ifaddr 88 18K 19K 78643K 250 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 98 0 ioctlops 0 0K 8K 78643K 1846 0 iov 0 0K 16K 78643K 131 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1336 83K 84K 78643K 2411 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 40 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 239 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 89K 78643K 2045 0 sigio 0 0K 0K 78643K 10 0 proc 70 87K 124K 78643K 605 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 44 0 in_multi 100 6K 6K 78643K 170 0 ether_multi 2 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 2K 78643K 933 0 pfkey data 0 0K 0K 78643K 2 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 329 185K 186K 78643K 27891 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 42 0 NDP 12 0K 1K 78643K 55 0 temp 133 4717K 4795K 78643K 21863 0 kqueue 12 18K 24K 78643K 148 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 83 0 80 1 0 1 1 0 8 0 rtentry 112 155 0 58 4 0 4 4 0 8 0 unpcb 136 624 0 609 8 7 1 6 0 8 0 syncache 296 16 0 16 4 3 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 2199 0 2189 50 41 9 18 0 8 7 arp 120 23 0 5 1 0 1 1 0 8 0 inpcb 312 3439 0 3299 31 20 11 11 0 8 0 nd6 48 33 0 10 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 3 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1248 8 0 8 2 2 0 1 0 8 0 pffrag 232 6 0 5 2 1 1 1 0 482 0 pffrnode 88 6 0 5 2 1 1 1 0 8 0 pffrent 40 184 0 183 3 2 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 68 0 68 1 1 0 1 0 8 0 pftag 88 7 0 7 1 1 0 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 33 0 31 1 0 1 1 0 8 0 pfstkey 112 39 0 37 1 0 1 1 0 8 0 pfstate 320 36 0 34 3 2 1 3 0 8 0 pfrule 1360 91 0 90 3 1 2 3 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 674 0 261 29 1 28 29 0 8 0 art_table 32 675 0 261 4 0 4 4 0 8 0 art_node 16 154 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 89 0 49 2 1 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 237 0 227 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4052 0 2612 91 0 91 91 0 8 0 ffsino 272 4052 0 2612 97 0 97 97 0 8 0 nchpl 144 6686 0 5055 63 0 63 63 0 8 0 uvmvnodes 80 4984 0 0 102 0 102 102 0 8 0 vnodes 224 4984 0 0 294 0 294 294 0 8 0 namei 1024 23485 0 23485 4 3 1 2 0 8 1 percpumem 16 61 0 21 1 0 1 1 0 8 0 vcpupl 2048 8 0 0 1 0 1 1 0 8 0 vmpool 560 9 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 20 0 20 1 1 0 1 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 23312 0 23312 10 9 1 8 0 8 1 plimitpl 152 161 0 146 1 0 1 1 0 8 0 sigapl 424 2373 0 2309 8 0 8 8 0 8 0 futexpl 64 16945 0 16943 1 0 1 1 0 8 0 knotepl 120 293 0 0 8 0 8 8 0 8 0 kqueuepl 216 353 0 345 7 4 3 5 0 8 2 pipepl 336 353 0 323 11 5 6 8 0 8 3 fdescpl 496 2338 0 2312 5 1 4 5 0 8 0 filepl 152 15304 0 14925 32 17 15 18 0 8 0 lockfpl 104 427 0 425 2 1 1 2 0 8 0 lockfspl 48 111 0 109 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 96 2149 0 2137 1 0 1 1 0 8 0 zombiepl 144 2312 0 2309 2 1 1 1 0 8 0 processpl 1064 2373 0 2309 5 0 5 5 0 8 0 procpl 672 6026 0 5952 9 1 8 8 0 8 1 sosppl 168 11 0 10 2 1 1 1 0 8 0 sockpl 480 4157 0 3999 83 63 20 28 0 8 0 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 188 0 0 22 0 22 22 0 8 0 mtagpl 96 685 0 0 17 0 17 17 0 8 0 mbufpl 256 951 0 0 57 0 57 57 0 8 0 bufpl 288 6881 0 545 453 0 453 453 0 8 0 anonpl 24 614292 0 595463 151 29 122 143 0 186 1 amapchunkpl 152 66345 0 65538 52 14 38 47 0 158 1 amappl16 200 5319 0 4759 45 14 31 41 0 8 0 amappl15 192 331 0 327 1 0 1 1 0 8 0 amappl14 184 206 0 201 1 0 1 1 0 8 0 amappl13 176 94 0 93 1 0 1 1 0 8 0 amappl12 168 755 0 744 1 0 1 1 0 8 0 amappl11 160 270 0 254 1 0 1 1 0 8 0 amappl10 152 44 0 38 1 0 1 1 0 8 0 amappl9 144 615 0 610 1 0 1 1 0 8 0 amappl8 136 1263 0 1186 3 0 3 3 0 8 0 amappl7 128 711 0 695 1 0 1 1 0 8 0 amappl6 120 356 0 336 2 1 1 2 0 8 0 amappl5 112 1720 0 1705 1 0 1 1 0 8 0 amappl4 104 1341 0 1312 2 1 1 2 0 8 0 amappl3 96 1026 0 1013 1 0 1 1 0 8 0 amappl2 88 923 0 875 3 1 2 3 0 8 0 amappl1 80 45212 0 44673 20 7 13 19 0 8 0 amappl 88 27302 0 27066 7 0 7 7 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2347 0 2313 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2347 0 2313 1 0 1 1 0 8 0 vmmpekpl 168 21021 0 20970 3 0 3 3 0 8 0 vmmpepl 168 214284 0 211965 159 39 120 132 0 357 3 vmsppl 368 2346 0 2313 4 0 4 4 0 8 0 rwobjpl 56 57884 0 51226 96 1 95 95 0 8 0 pdppl 4096 4701 0 4634 175 98 77 83 0 8 10 pvpl 32 1150687 0 1127693 299 97 202 260 0 265 1 pmappl 248 2346 0 2313 3 0 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1042 0 171 26 0 26 26 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> 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(fffffd8072d6c328) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8072d6c328) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8072d6c210) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff8000294d6098,ffff8000294d60a4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff8000294d6098,ffff8000294d60a4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff8000294d6098,ffff8000294d60a4,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd8064fa0100) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd8064fa0100,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd80670bdd00,ffff800000c1a980,fffffd8065b77e00,0,0,fffffd8065b77d88) at ip6_output+0xf57 rip6_output(fffffd80682a6400,fffffd806342e628,ffff8000294d6400,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806342e628,9,fffffd80682a6400,0,0,ffff8000ffff2008) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806342e628,0,ffff8000294d6638,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff2008,4,ffff8000294d6638,0,ffff8000294d6730) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff2008,ffff8000294d66d8,ffff8000294d6730) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff8000294d67a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294d67a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x186cc7a6e30, count: -20 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) 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_const_cmp8(10,ffff80002114f4a0) at __sanitizer_cov_trace_const_cmp8+0xf sys/dev/kcov.c:230 uvm_pmr_get1page(10,0,ffff80002114f578,0,0,1) at uvm_pmr_get1page+0x724 sys/uvm/uvm_pmemrange.c:1966 uvm_pagezero_thread(ffff800021143268) at uvm_pagezero_thread+0xf5 sys/uvm/uvm_pmemrange.c:2172 end trace frame: 0x0, count: 9 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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_const_cmp8(10,ffff80002114f4a0) at __sanitizer_cov_trace_const_cmp8+0xf sys/dev/kcov.c:230 uvm_pmr_get1page(10,0,ffff80002114f578,0,0,1) at uvm_pmr_get1page+0x724 sys/uvm/uvm_pmemrange.c:1966 uvm_pagezero_thread(ffff800021143268) at uvm_pagezero_thread+0xf5 sys/uvm/uvm_pmemrange.c:2172 end trace frame: 0x0, count: -6