uvm_fault(0xffffffff82626030, 0xffff800000a6d000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82626030, 0xffff800000a6d000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800022d98b60, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 rtrequest(1,ffff800022d98ba0,4,0,0) at rtrequest+0x85e sys/net/route.c:930 in6_update_ifa(ffff800000a1e800,ffff800022d98f10,0) at in6_update_ifa+0x1742 sys/netinet6/in6.c:810 in6_ioctl_change_ifaddr(8080691a,ffff800022d98f10,ffff800000a1e800) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd806f6f87d0,8080691a,ffff800022d98f10,ffff800020ae6768) at ifioctl+0xe70 sys/net/if.c:2290 soo_ioctl(fffffd806580a570,8080691a,ffff800022d98f10,ffff800020ae6768) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ae6768,ffff800022d99028,ffff800022d99070) at sys_ioctl+0x4a5 syscall(ffff800022d990f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022d990f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe613ed00c0, count: -9 ddb{1}> show registers rdi 0xffff800000a6c0c0 rsi 0xffff800000a6d000 rbp 0xffff800022d98a60 rbx 0xffff800000a6cf40 rdx 0xe8 rcx 0x5 rax 0xfffffffffffff0c0 r8 0x70 r9 0x1 r10 0xa125c465ec649d38 r11 0xffff800000a6c000 r12 0xffff800000a6c000 r13 0xe8 r14 0 r15 0xfffffd8065ceab68 rip 0xffffffff82123af5 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800022d989f8 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.1) pid=419451 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6288,0xffffffff826815d0 process=0xffff800020a9cf20 user=0xffff800022d94000, vmspace=0xfffffd807f000730 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87049 491746 44872 0 7 0 syz-executor.1 *87049 419451 44872 0 7 0x4000000 syz-executor.1 44872 491942 28578 0 3 0x82 nanosleep syz-executor.1 76910 426381 28578 0 3 0x2 biowait syz-executor.0 28578 350801 56592 0 3 0x82 thrsleep syz-fuzzer 28578 509521 56592 0 3 0x4000082 nanosleep syz-fuzzer 28578 473559 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 117428 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 253625 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 510717 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 265140 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 123979 56592 0 3 0x4000082 thrsleep syz-fuzzer 28578 294567 56592 0 3 0x4000082 kqread syz-fuzzer 28578 27699 56592 0 3 0x4000082 thrsleep syz-fuzzer 56592 88327 20947 0 3 0x10008a pause ksh 20947 129895 35790 0 3 0x92 select sshd 58308 520673 1 0 3 0x100083 ttyin getty 35790 377267 1 0 3 0x80 select sshd 79669 96598 65036 74 3 0x100092 bpf pflogd 65036 385086 1 0 3 0x80 netio pflogd 98929 95156 98738 73 3 0x100090 kqread syslogd 98738 346012 1 0 3 0x100082 netio syslogd 4251 488660 1 77 3 0x100090 poll dhclient 55965 380587 1 0 3 0x80 poll dhclient 55435 73963 0 0 3 0x14200 pgzero zerothread 67911 41509 0 0 3 0x14200 aiodoned aiodoned 30591 216926 0 0 3 0x14200 syncer update 78705 125700 0 0 3 0x14200 cleaner cleaner 4390 143252 0 0 3 0x14200 reaper reaper 18714 460087 0 0 3 0x14200 pgdaemon pagedaemon 9031 481034 0 0 3 0x14200 bored crynlk 16186 102872 0 0 3 0x14200 bored crypto 29105 108495 0 0 3 0x40014200 acpi0 acpi0 37151 399801 0 0 3 0x40014200 idle1 82820 52782 0 0 3 0x14200 bored softnet 39719 243176 0 0 3 0x14200 bored systqmp 94948 15054 0 0 3 0x14200 bored systq 54527 492529 0 0 3 0x40014200 bored softclock 58267 421749 0 0 3 0x40014200 idle0 14312 145780 0 0 3 0x14200 bored smr 1 154859 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 87049 (syz-executor.1) thread 0xffff800020ae6768 (419451) exclusive rwlock netlock r = 0 (0xffffffff825135f8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 in6_ioctl_change_ifaddr+0x155 sys/netinet6/in6.c:295 #2 ifioctl+0xe70 sys/net/if.c:2290 #3 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #4 sys_ioctl+0x4a5 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82662d80) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 Process 76910 (syz-executor.0) thread 0xffff800020a7c758 (426381) exclusive rrwlock inode r = 0 (0xfffffd8065c730a0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1164 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:449 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3058 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b44b2b8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:453 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:602 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3043 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9499 6477K 6866K 78643K 10876 0 pcb 13 8K 8K 78643K 49 0 rtable 99 3K 3K 78643K 447 0 ifaddr 54 12K 12K 78643K 76 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1476 0 iov 0 0K 12K 78643K 27 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1317 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 36 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 131 0 proc 60 63K 95K 78643K 448 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 0 0K 0K 78643K 50 0 in_multi 34 2K 2K 78643K 49 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 217 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 119 22K 39K 78643K 1379 0 UVM aobj 8 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 8 0K 0K 78643K 16 0 temp 89 3015K 3079K 78643K 3309 0 kqueue 3 4K 12K 78643K 18 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 arp 64 7 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 167 0 165 1 0 1 1 0 8 0 rtentry 112 47 0 6 2 0 2 2 0 8 0 unpcb 120 94 0 84 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpcb 544 65 0 61 1 0 1 1 0 8 0 inpcb 280 205 0 195 2 0 2 2 0 8 1 nd6 48 6 0 2 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 3 0 3 1 0 1 1 0 482 1 pffrnode 88 3 0 3 1 0 1 1 0 8 1 pffrent 40 51 0 51 1 0 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 24 0 0 1 0 1 1 0 8 0 pfstkey 112 24 0 0 1 0 1 1 0 8 0 pfstate 328 24 0 0 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 256 188 0 16 12 0 12 12 0 8 0 art_table 32 189 0 16 2 0 2 2 0 8 0 art_node 16 45 0 8 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 19 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1577 0 171 46 0 46 46 0 8 0 ffsino 272 1577 0 171 95 0 95 95 0 8 0 nchpl 144 1947 0 332 61 0 61 61 0 8 0 uvmvnodes 72 1700 0 0 31 0 31 31 0 8 0 vnodes 208 1700 0 0 90 0 90 90 0 8 0 namei 1024 5199 0 5198 1 0 1 1 0 8 0 percpumem 16 36 0 4 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 1 0 1 0 8 0 scxspl 192 5718 0 5717 8 1 7 7 0 8 6 plimitpl 152 23 0 15 1 0 1 1 0 8 0 sigapl 424 346 0 315 4 0 4 4 0 8 0 futexpl 56 2644 0 2644 1 0 1 1 0 8 1 knotepl 112 74 0 55 1 0 1 1 0 8 0 kqueuepl 144 40 0 38 1 0 1 1 0 8 0 pipelkpl 48 135 0 124 1 0 1 1 0 8 0 pipepl 120 270 0 249 2 1 1 2 0 8 0 fdescpl 496 331 0 315 3 0 3 3 0 8 0 filepl 152 2142 0 2039 6 1 5 6 0 8 1 lockfpl 104 42 0 41 1 0 1 1 0 8 0 lockfspl 48 17 0 16 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 50 0 39 1 0 1 1 0 8 0 ucredpl 96 134 0 125 1 0 1 1 0 8 0 zombiepl 144 315 0 315 1 0 1 1 0 8 1 processpl 960 346 0 315 5 0 5 5 0 8 0 procpl 624 596 0 555 4 0 4 4 0 8 0 sockpl 400 468 0 448 5 1 4 5 0 8 2 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 156 0 0 19 0 19 19 0 8 0 mtagpl 80 10 0 0 1 0 1 1 0 8 0 mbufpl 256 1061 0 0 66 0 66 66 0 8 0 bufpl 280 4195 0 176 288 0 288 288 0 8 0 anonpl 16 50916 0 34412 84 1 83 83 0 124 15 amapchunkpl 152 1764 0 1631 10 1 9 10 0 158 2 amappl16 192 1695 0 793 58 4 54 58 0 8 8 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 6 0 3 2 1 1 1 0 8 0 amappl13 168 25 0 24 1 0 1 1 0 8 0 amappl12 160 53 0 50 2 1 1 1 0 8 0 amappl11 152 75 0 56 1 0 1 1 0 8 0 amappl10 144 29 0 21 1 0 1 1 0 8 0 amappl9 136 441 0 436 1 0 1 1 0 8 0 amappl8 128 385 0 350 2 0 2 2 0 8 0 amappl7 120 119 0 108 1 0 1 1 0 8 0 amappl6 112 24 0 21 1 0 1 1 0 8 0 amappl5 104 283 0 265 1 0 1 1 0 8 0 amappl4 96 518 0 481 2 1 1 2 0 8 0 amappl3 88 117 0 111 1 0 1 1 0 8 0 amappl2 80 1727 0 1657 3 1 2 3 0 8 0 amappl1 72 17316 0 16881 25 14 11 20 0 8 1 amappl 80 848 0 805 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 9 0 2 1 0 1 1 0 8 0 uaddrrnd 24 333 0 317 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 333 0 317 1 0 1 1 0 8 0 vmmpekpl 168 6743 0 6711 2 0 2 2 0 8 0 vmmpepl 168 47872 0 45819 124 7 117 120 0 357 26 vmsppl 368 332 0 317 2 0 2 2 0 8 0 pdppl 4096 673 0 634 6 0 6 6 0 8 0 pvpl 32 161152 0 141518 197 0 197 197 0 265 38 pmappl 232 332 0 317 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 223 0 4 7 0 7 7 0 8 0