uvm_fault(0xffffffff8391fb88, 0xffff8000014df000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND *337018 16324 0 0 0x4000000 1K syz-executor 106914 35619 0 0x2 0x1 0 syz-executor memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003bc12da8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000014def00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80003bc131c0,ffff8000014def00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003bc131c0,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff80003bc002c8,ffff80003bc133a0,ffff80003bc132f0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003bc133a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc133a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3505048d80, count: 6 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(0xffffffff8391fb88, 0xffff8000014df000, 0, 1) -> e ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003bc12da8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000014def00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80003bc131c0,ffff8000014def00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003bc131c0,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff80003bc002c8,ffff80003bc133a0,ffff80003bc132f0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003bc133a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc133a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3505048d80, count: -9 ddb{1}> show registers rdi 0xfffffd8067453148 rsi 0xffff8000014df000 rbp 0xffff80003bc12d20 rbx 0xfffffd806d904200 rdx 0xea rcx 0xc rax 0x7d8065f74148 r8 0x2 r9 0x1 r10 0xb6f4eef808c7156e r11 0xfffffd80674530c0 r12 0xea r13 0xea r14 0xc0 r15 0xfffffd806d904200 rip 0xffffffff82c6ad29 memcpy+0x19 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003bc12c68 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor) tid=337018 pid=16324 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bc014f0,0xffff80003bc01cc8 process=0xffff80003c42b510 user=0xffff80003bc0e000, vmspace=0xfffffd806bdcc7c0 estcpu=36, cpticks=7, pctcpu=0.0, user=0, sys=7, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16324 10428 2363 0 2 0 syz-executor 16324 363457 2363 0 3 0x4000000 netlock syz-executor *16324 337018 2363 0 7 0x4000000 syz-executor 16324 314371 2363 0 3 0x4000000 netlock syz-executor 25682 426174 35619 0 2 0 syz-executor 25682 492872 35619 0 3 0x4000080 kqread syz-executor 25682 140242 35619 0 3 0x4000080 fsleep syz-executor 16344 483430 13667 0 3 0x80 nanoslp syz-executor 16344 261865 13667 0 3 0x4000080 kqsel syz-executor 16344 174102 13667 0 3 0x4000080 fsleep syz-executor 22902 477992 30936 0 2 0 syz-executor 22902 460805 30936 0 3 0x4000080 kqsel syz-executor 26584 347322 57243 0 3 0x82 nanoslp syz-executor 83937 262199 57243 0 2 0x2 syz-executor 13667 202791 57243 0 3 0x82 nanoslp syz-executor 35619 106914 57243 0 7 0x3 syz-executor 4583 58567 57243 0 3 0x82 nanoslp syz-executor 2363 177318 57243 0 3 0x82 nanoslp syz-executor 60971 195106 57243 0 3 0x82 nanoslp syz-executor 30936 450795 57243 0 2 0x3 syz-executor 57243 38900 49015 0 3 0x2 netlock syz-executor 49015 39916 71623 0 3 0x10008a sigsusp ksh 71623 29424 70425 0 3 0x98 kqread sshd-session 70425 408358 73014 0 3 0x92 kqread sshd-session 89409 203660 1 0 3 0x100083 ttyopn getty 73014 413260 1 0 3 0x88 kqread sshd 30726 197953 42738 74 3 0x1100092 bpf pflogd 42738 480640 1 0 3 0x80 sbwait pflogd 28569 73816 89371 73 3 0x1100090 kqread syslogd 89371 425515 1 0 3 0x100082 sbwait syslogd 37933 426129 1 0 3 0x100080 kqread resolvd 72139 291355 6898 77 3 0x100013 inode dhcpleased 29913 135733 6898 77 3 0x100092 kqread dhcpleased 6898 350169 1 0 3 0x80 kqread dhcpleased 22873 235061 0 0 3 0x14200 bored smr 35531 229869 0 0 2 0x14200 zerothread 43209 256440 0 0 3 0x14200 aiodoned aiodoned 72415 131291 0 0 3 0x14200 syncer update 70415 49288 0 0 3 0x14200 cleaner cleaner 67047 403629 0 0 3 0x14200 reaper reaper 84810 439711 0 0 3 0x14200 pgdaemon pagedaemon 49754 472175 0 0 3 0x14200 bored viomb 11730 243678 0 0 3 0x40014200 acpi0 acpi0 44012 335185 0 0 3 0x40014200 idle1 38212 505452 0 0 3 0x14200 bored softnet1 74768 293531 0 0 3 0x14200 netlock softnet0 36297 344055 0 0 3 0x14200 smrbar systqmp 78196 20166 0 0 3 0x14200 bored systq 39853 301828 0 0 3 0x14200 tmoslp softclockmp 76713 203314 0 0 3 0x40014200 tmoslp softclock 63715 191548 0 0 3 0x40014200 idle0 1 163826 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 16324 (syz-executor) thread 0xffff80003bc002c8 (337018) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff839ce608) #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:2872 #5 rtm_ifchg+0xfb sys/net/rtsock.c:1794 #6 if_up+0x213 if_linkstate sys/net/if.c:1821 [inline] #6 if_up+0x213 sys/net/if.c:1789 #7 loioctl+0x146 sys/net/if_loop.c:291 #8 in6_ifinit+0x1ed sys/netinet6/in6.c:969 #9 in6_update_ifa+0x186f sys/netinet6/in6.c:722 #10 in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 #11 ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] #11 ifioctl+0x16d2 sys/net/if.c:2481 #12 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #14 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff83833c90) #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_ioctl_change_ifaddr+0x10b sys/netinet6/in6.c:291 #3 ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] #3 ifioctl+0x16d2 sys/net/if.c:2481 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #6 Xsyscall+0x128 Process 35619 (syz-executor) thread 0xffff80002a295770 (106914) exclusive rrwlock inode r = 0 (0xfffffd80674696a8) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688 #7 ktrsyscall+0x340 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] #7 ktrsyscall+0x340 sys/kern/kern_ktrace.c:183 #8 syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] #8 syscall+0x304 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 57243 (syz-executor) thread 0xffff8000ffffd9f8 (38900) exclusive rwlock sbufsnd r = 0 (0xffff800010fda7d8) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 dofilewritev+0x242 sys/kern/sys_generic.c:380 #5 sys_write+0xa2 sys/kern/sys_generic.c:300 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 74768 (softnet0) thread 0xffff8000ffffe530 (293531) shared rwlock softnet0 r = 0 (0xffff80000002c078) #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 Process 36297 (systqmp) thread 0xffff8000ffffe298 (344055) shared rwlock systqmp r = 0 (0xffffffff837b4d08) #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 10207 11161K 11224K 166960K 11400 0 pcb 19 12K 12K 166960K 48 0 rtable 227 7K 8K 166960K 433 0 pf 36 17K 18K 166960K 63 0 ifaddr 44 7K 8K 166960K 84 0 ifgroup 59 2K 2K 166960K 79 0 sysctl 2 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 90 0 ioctlops 1 0K 4K 166960K 1594 0 iov 0 0K 12K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1372 86K 86K 166960K 1464 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 225 0 proc 72 115K 164K 166960K 538 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8 0 in_multi 99 7K 7K 166960K 186 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 388 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 167K 182K 166960K 3912 0 UVM aobj 4 4K 4K 166960K 5 0 pinsyscall 42 84K 104K 166960K 1349 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 13 0K 2K 166960K 36 0 temp 43 8659K 8730K 166960K 9239 0 kqueue 14 22K 28K 166960K 48 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 38 0 35 1 0 1 1 0 8 0 rtentry 176 140 0 40 7 1 6 6 0 8 1 unpcb 144 72 0 54 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 54 0 49 4 3 1 4 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 272 0 262 11 10 1 9 0 8 0 nd6 152 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 8 0 8 2 1 1 1 0 8 1 pppxif 1504 1 0 1 1 1 0 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 21 0 0 1 0 1 1 0 8 0 pfstkey 128 21 0 0 1 0 1 1 0 8 0 pfstate 448 21 0 0 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1326 0 14 82 0 82 82 0 8 0 art_table 40 1327 0 14 14 0 14 14 0 8 0 art_node 32 140 0 12 2 0 2 2 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1747 0 231 95 0 95 95 0 8 0 ffsino 296 1747 0 231 117 0 117 117 0 8 0 nchpl 144 2063 0 353 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 1 0 1 0 8 0 vnodes 216 1899 0 0 106 0 106 106 0 8 0 namei 1024 6293 0 6292 3 2 1 2 0 8 0 percpumem 16 60 0 10 1 0 1 1 0 8 0 kstatmem 264 42 0 14 3 1 2 3 0 8 0 scxspl 216 6727 0 6726 3 2 1 2 1 8 0 plimitpl 152 40 0 22 1 0 1 1 0 8 0 sigapl 424 533 0 486 7 1 6 7 0 8 0 knotepl 120 280 0 0 9 0 9 9 0 8 0 kqueuepl 224 50 0 38 1 0 1 1 0 8 0 pipepl 344 128 0 100 3 0 3 3 0 8 0 fdescpl 528 517 0 486 3 0 3 3 0 8 0 filepl 160 2216 0 1979 16 5 11 15 0 8 0 lockfpl 104 41 0 38 1 0 1 1 0 8 0 lockfspl 48 21 0 18 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 215 0 201 1 0 1 1 0 8 0 zombiepl 144 489 0 486 1 0 1 1 0 8 0 processpl 1232 533 0 486 5 0 5 5 0 8 0 procpl 664 687 0 632 7 1 6 6 0 8 0 sockpl 752 382 0 351 17 13 4 13 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 39 0 0 5 0 5 5 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 194 0 0 13 0 13 13 0 8 0 bufpl 280 2562 0 130 174 0 174 174 0 8 0 anonpl 32 5446 0 0 44 0 44 44 0 246 0 amapchunkpl 152 11693 0 11173 33 11 22 28 0 158 0 amappl16 200 2267 0 2239 6 4 2 5 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 7 0 7 1 1 0 1 0 8 0 amappl13 176 432 0 429 1 0 1 1 0 8 0 amappl12 168 879 0 837 3 0 3 3 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 64 0 50 1 0 1 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 82 0 81 1 0 1 1 0 8 0 amappl6 120 277 0 264 1 0 1 1 0 8 0 amappl5 112 81 0 71 1 0 1 1 0 8 0 amappl4 104 413 0 384 1 0 1 1 0 8 0 amappl3 96 1817 0 1721 4 1 3 3 0 8 0 amappl2 88 627 0 553 2 0 2 2 0 8 0 amappl1 80 9376 0 8790 14 1 13 14 0 8 0 amappl 88 3163 0 2987 5 0 5 5 0 92 0 uvmvnodes 80 103 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 2 2 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 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 517 0 486 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 517 0 486 1 0 1 1 0 8 0 vmmpekpl 168 6074 0 6039 2 0 2 2 0 8 0 vmmpepl 168 40666 0 38738 89 3 86 87 0 357 0 vmsppl 488 516 0 486 5 1 4 5 0 8 0 rwobjpl 80 14661 0 13628 23 0 23 23 0 8 0 pdppl 4096 1041 0 972 99 28 71 85 0 8 2 pvpl 32 13839 0 0 113 1 112 112 0 265 0 pmappl 256 516 0 486 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 334 0 37 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8384bff0) 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(ffffffff839ce400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839ce400) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839ce400,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839a0018,9) at pool_get+0x27e sys/kern/subr_pool.c:591 buf_get(fffffd805ffa3128,15,4000) at buf_get+0x37d sys/kern/vfs_bio.c:-1 getblk(fffffd805ffa3128,15,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd8067469608,54000,19,fffffd80097fd340,1,ffff80002a375038) at ffs2_balloc+0x179c sys/ufs/ffs/ffs_balloc.c:-1 ffs_write(ffff80002a3750c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805ffa3128,ffff80002a375170,3,fffffd80097fd340) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a295770,fffffd805ffa3128,fffffd80097fd340,ffff80002a375240,ffff80002a375220) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsyscall(ffff80002a295770,b,20,ffff80002a3753d0) at ktrsyscall+0x340 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80002a295770,b,20,ffff80002a3753d0) at ktrsyscall+0x340 sys/kern/kern_ktrace.c:183 syscall(ffff80002a3753d0) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a3753d0) at syscall+0x304 sys/arch/amd64/amd64/trap.c:765 end trace frame: 0xffff80002a375450, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8384bff0) 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(ffffffff839ce400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839ce400) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff839ce400,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839a0018,9) at pool_get+0x27e sys/kern/subr_pool.c:591 buf_get(fffffd805ffa3128,15,4000) at buf_get+0x37d sys/kern/vfs_bio.c:-1 getblk(fffffd805ffa3128,15,4000,0,ffffffffffffffff) at getblk+0x146 sys/kern/vfs_bio.c:-1 ffs2_balloc(fffffd8067469608,54000,19,fffffd80097fd340,1,ffff80002a375038) at ffs2_balloc+0x179c sys/ufs/ffs/ffs_balloc.c:-1 ffs_write(ffff80002a3750c0) at ffs_write+0x4f9 sys/ufs/ffs/ffs_vnops.c:345 VOP_WRITE(fffffd805ffa3128,ffff80002a375170,3,fffffd80097fd340) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 ktrwriteraw(ffff80002a295770,fffffd805ffa3128,fffffd80097fd340,ffff80002a375240,ffff80002a375220) at ktrwriteraw+0x1be sys/kern/kern_ktrace.c:691 ktrsyscall(ffff80002a295770,b,20,ffff80002a3753d0) at ktrsyscall+0x340 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80002a295770,b,20,ffff80002a3753d0) at ktrsyscall+0x340 sys/kern/kern_ktrace.c:183 syscall(ffff80002a3753d0) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a3753d0) at syscall+0x304 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x767fcd59d5b0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003bc12da8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000014def00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80003bc131c0,ffff8000014def00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003bc131c0,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff80003bc002c8,ffff80003bc133a0,ffff80003bc132f0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003bc133a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc133a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3505048d80, count: 6 ddb{1}> trace memcpy() at memcpy+0x19 rtm_msg1(14,ffff80003bc12da8) at rtm_msg1+0x306 sys/net/rtsock.c:1627 rtm_addr(14,ffff8000014def00) at rtm_addr+0xb9 sys/net/rtsock.c:-1 in6_update_ifa(ffff800000b2b000,ffff80003bc131c0,ffff8000014def00) at in6_update_ifa+0x199a sys/netinet6/in6.c:741 in6_ioctl_change_ifaddr(8080691a,ffff80003bc131c0,ffff800000b2b000) at in6_ioctl_change_ifaddr+0x64e sys/netinet6/in6.c:352 ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 pru_control sys/sys/protosw.h:353 [inline] ifioctl(ffff800001492f30,8080691a,ffff80003bc131c0,ffff80003bc002c8) at ifioctl+0x16d2 sys/net/if.c:2481 sys_ioctl(ffff80003bc002c8,ffff80003bc133a0,ffff80003bc132f0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003bc133a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bc133a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3505048d80, count: -9