uvm_fault(0xffffffff8260cd78, 0xffff800000a6d000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8260cd78, 0xffff800000a6d000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800023dbb300, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 rtm_msg1(c,ffff800023dbb318) at rtm_msg1+0x1b2 sys/net/rtsock.c:1554 rtm_addr(c,ffff800000a6cf00) at rtm_addr+0x9b sys/net/rtsock.c:1742 rt_ifa_add(ffff800000a6cf00,240404,ffff800000a6cf40,0) at rt_ifa_add+0x2db sys/net/route.c:1142 rt_ifa_addlocal(ffff800000a6cf00) at rt_ifa_addlocal+0x16d sys/net/route.c:1242 in_ifinit(ffff8000009ce000,ffff800000a6cf00,ffff800000a6cf58,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_change_ifaddr(8040691a,ffff800023dbb810,ffff8000009ce000,1) at in_ioctl_change_ifaddr+0x68c sys/netinet/in.c:519 in_ioctl(8040691a,ffff800023dbb810,ffff8000009ce000,1) at in_ioctl+0x2fb sys/netinet/in.c:246 ifioctl(fffffd806f664900,8040691a,ffff800023dbb810,ffff800020ae6510) at ifioctl+0xe70 sys/net/if.c:2291 sys_ioctl(ffff800020ae6510,ffff800023dbb928,ffff800023dbb970) at sys_ioctl+0x5b9 syscall(ffff800023dbb9f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023dbb9f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5cfe4ab48f0, count: -12 ddb{0}> show registers rdi 0xfffffd80664d4198 rsi 0xffff800000a6d000 rbp 0xffff800023dbb290 rbx 0 rdx 0xa0 rcx 0x5 rax 0x7d8065a67198 r8 0x2 r9 0x1 r10 0x298b9bb6e68ad7b2 r11 0xfffffd80664d4120 r12 0xa0 r13 0xa0 r14 0xffff800000a6cf88 r15 0xfffffd80664d4100 rip 0xffffffff81b9b875 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800023dbb1c8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (syz-executor.0) pid=84755 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6ef0,0xffff800020ae78e0 process=0xffff800020af4018 user=0xffff800023db6000, vmspace=0xfffffd806e7b4178 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10535 319900 97016 0 2 0 syz-executor.1 10535 314369 97016 0 3 0x4000080 switchread syz-executor.1 55794 316058 87337 0 2 0 syz-executor.0 *55794 84755 87337 0 7 0x4000000 syz-executor.0 17649 340279 0 0 3 0x14200 bored sosplice 97016 414419 29148 0 2 0x482 syz-executor.1 87337 182080 29148 0 2 0x482 syz-executor.0 29148 62970 15229 0 3 0x82 thrsleep syz-fuzzer 29148 436258 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 136727 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 429590 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 474473 15229 0 3 0x4000082 kqread syz-fuzzer 29148 482726 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 209606 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 159030 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 273601 15229 0 3 0x4000082 thrsleep syz-fuzzer 29148 300194 15229 0 3 0x4000082 thrsleep syz-fuzzer 15229 60160 66018 0 3 0x10008a pause ksh 66018 436851 30030 0 3 0x92 select sshd 46207 365229 1 0 3 0x100083 ttyin getty 30030 455438 1 0 3 0x80 select sshd 25043 295252 45372 74 3 0x100092 bpf pflogd 45372 295172 1 0 3 0x80 netio pflogd 68332 226666 76691 73 3 0x100090 kqread syslogd 76691 335071 1 0 3 0x100082 netio syslogd 22425 126563 1 77 3 0x100090 poll dhclient 59430 309275 1 0 3 0x80 poll dhclient 26683 232065 0 0 2 0x14200 zerothread 56931 229745 0 0 3 0x14200 aiodoned aiodoned 36455 154370 0 0 3 0x14200 syncer update 53498 275940 0 0 3 0x14200 cleaner cleaner 62202 43723 0 0 3 0x14200 reaper reaper 43495 222023 0 0 3 0x14200 pgdaemon pagedaemon 98396 354384 0 0 3 0x14200 bored crynlk 34689 172492 0 0 3 0x14200 bored crypto 5610 409650 0 0 3 0x40014200 acpi0 acpi0 28192 341100 0 0 3 0x40014200 idle1 63512 286123 0 0 7 0x14200 softnet 64025 107545 0 0 3 0x14200 bored systqmp 54068 471911 0 0 3 0x14200 bored systq 78821 479509 0 0 3 0x40014200 bored softclock 37097 307289 0 0 3 0x40014200 idle0 4947 84113 0 0 3 0x14200 bored smr 1 183138 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 55794 (syz-executor.0) thread 0xffff800020ae6510 (84755) exclusive rwlock netlock r = 0 (0xffffffff824f73e8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 in_ioctl_change_ifaddr+0x91 #2 in_ioctl+0x2fb sys/netinet/in.c:246 #3 ifioctl+0xe70 sys/net/if.c:2291 #4 sys_ioctl+0x5b9 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82651ab0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 Process 63512 (softnet) thread 0xffff800020a284f0 (286123) shared rwlock softnet r = 0 (0xffff80000002b0e0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 taskq_thread+0x8f sys/kern/kern_task.c:368 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9506 6410K 6793K 78643K 10964 0 pcb 14 8K 8K 78643K 62 0 rtable 109 4K 4K 78643K 316 0 ifaddr 71 15K 15K 78643K 104 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1482 0 iov 0 0K 16K 78643K 46 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1352 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 215 0 sigio 0 0K 0K 78643K 14 0 proc 60 63K 95K 78643K 451 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 22 0 in_multi 66 3K 3K 78643K 90 0 ether_multi 1 0K 0K 78643K 4 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 228 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 126 55K 56K 78643K 1777 0 UVM aobj 81 7K 7K 78643K 82 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 31 0 NDP 10 0K 0K 78643K 21 0 temp 126 3022K 3088K 78643K 5154 0 kqueue 0 0K 0K 78643K 2 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 arp 64 11 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 219 0 217 1 0 1 1 0 8 0 rtentry 112 64 0 21 2 0 2 2 0 8 0 unpcb 120 187 0 177 1 0 1 1 0 8 0 syncache 264 7 0 7 2 1 1 1 0 8 1 tcpqe 32 353 0 353 1 1 0 1 0 8 0 tcpcb 544 141 0 135 1 0 1 1 0 8 0 inpcb 280 427 0 416 4 2 2 3 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 6 0 3 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 1 0 1 0 8 0 pffrag 232 4 0 4 2 1 1 1 0 482 1 pffrnode 88 4 0 4 2 1 1 1 0 8 1 pffrent 40 180 0 180 2 1 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 22 0 5 1 0 1 1 0 8 0 pfstkey 112 22 0 5 1 0 1 1 0 8 0 pfstate 328 22 0 5 2 0 2 2 0 8 0 pfrule 1360 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 256 296 0 87 15 0 15 15 0 8 0 art_table 32 297 0 87 2 0 2 2 0 8 0 art_node 16 63 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 59 0 19 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 22 0 12 1 0 1 1 0 8 0 shmpl 112 80 0 1 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1753 0 344 46 0 46 46 0 8 0 ffsino 272 1753 0 344 95 0 95 95 0 8 0 nchpl 144 2273 0 653 61 0 61 61 0 8 0 uvmvnodes 72 1878 0 0 35 0 35 35 0 8 0 vnodes 208 1878 0 0 99 0 99 99 0 8 0 namei 1024 6514 0 6514 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 560 5 0 1 1 0 1 1 0 8 0 scxspl 192 6597 0 6597 8 7 1 7 0 8 1 plimitpl 152 37 0 29 1 0 1 1 0 8 0 sigapl 432 414 0 398 3 1 2 3 0 8 0 futexpl 56 5800 0 5800 1 0 1 1 0 8 1 knotepl 112 107 0 88 1 0 1 1 0 8 0 kqueuepl 104 182 0 180 1 0 1 1 0 8 0 pipepl 112 362 0 343 3 1 2 2 0 8 1 fdescpl 488 415 0 398 3 0 3 3 0 8 0 filepl 152 3426 0 3321 7 1 6 7 0 8 1 lockfpl 104 166 0 165 1 0 1 1 0 8 0 lockfspl 48 51 0 50 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 26 0 15 1 0 1 1 0 8 0 ucredpl 96 389 0 380 1 0 1 1 0 8 0 zombiepl 144 398 0 398 1 0 1 1 0 8 1 processpl 904 431 0 398 4 0 4 4 0 8 0 procpl 632 981 0 937 5 0 5 5 0 8 0 sosppl 128 2 0 2 2 2 0 1 0 8 0 sockpl 384 835 0 812 7 3 4 6 0 8 1 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 209 0 0 26 0 26 26 0 8 0 mtagpl 80 6 0 0 1 0 1 1 0 8 0 mbufpl 256 330 0 0 20 0 20 20 0 8 0 bufpl 280 6883 0 1342 396 0 396 396 0 8 0 anonpl 16 63551 0 43886 104 8 96 96 0 125 15 amapchunkpl 152 2497 0 2333 12 4 8 12 0 158 0 amappl16 192 2465 0 1400 72 10 62 66 0 8 8 amappl15 184 66 0 61 1 0 1 1 0 8 0 amappl14 176 32 0 27 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 10 0 7 1 0 1 1 0 8 0 amappl11 152 148 0 131 1 0 1 1 0 8 0 amappl10 144 100 0 93 1 0 1 1 0 8 0 amappl9 136 603 0 600 1 0 1 1 0 8 0 amappl8 128 133 0 105 2 0 2 2 0 8 0 amappl7 120 195 0 181 1 0 1 1 0 8 0 amappl6 112 150 0 141 1 0 1 1 0 8 0 amappl5 104 133 0 119 1 0 1 1 0 8 0 amappl4 96 676 0 641 2 1 1 2 0 8 0 amappl3 88 126 0 119 1 0 1 1 0 8 0 amappl2 80 2386 0 2303 3 1 2 3 0 8 0 amappl1 72 19305 0 18842 26 16 10 21 0 8 0 amappl 80 1241 0 1188 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 81 0 1 2 0 2 2 0 8 0 uaddrrnd 24 420 0 399 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 420 0 399 1 0 1 1 0 8 0 vmmpekpl 168 7563 0 7530 2 0 2 2 0 8 0 vmmpepl 168 59363 0 56998 138 22 116 130 0 357 12 vmsppl 368 419 0 399 2 0 2 2 0 8 0 pdppl 4096 847 0 802 6 0 6 6 0 8 0 pvpl 32 191227 0 168287 231 7 224 224 0 265 38 pmappl 232 419 0 399 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 3 6 0 6 6 0 8 0