uvm_fault(0xffffffff8254ea40, 0xffff800000a3d000, 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(0xffffffff8254ea40, 0xffff800000a3d000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020ab7500, count: 0 ddb{0}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020ab7558) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020ab761c,3,14a697949050,ffff800020ab7648,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a7c4e8,ffff800020ab76b0,ffff800020ab7700) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 syscall(ffff800020ab7780) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ab7780) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff73b0, count: -6 ddb{0}> show registers rdi 0xffff800000a5d6e8 rsi 0xffff800000a3d000 rbp 0xffff800020ab7400 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0x206e8 acpi_pdirpa+0xc550 r8 0xffff800020ab7558 r9 0x5 r10 0xf71ff38ad0d39a55 r11 0xffff800000a5d628 r12 0xffff800000a3cf40 r13 0xe8 r14 0xffff800000a5d628 r15 0x6 rip 0xffffffff81e70225 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020ab7348 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{0}> show proc PROC (dhclient) pid=38335 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a7c278,0xffff800020aefd60 process=0xffff800020a90b50 user=0xffff800020ab2000, vmspace=0xfffffd807efff2e0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88899 438936 0 0 3 0x14200 bored sosplice 70750 108958 24415 0 2 0x2 syz-executor.1 24415 428594 88862 0 3 0x82 thrsleep syz-fuzzer 24415 376030 88862 0 2 0x4000482 syz-fuzzer 24415 279465 88862 0 3 0x4000082 thrsleep syz-fuzzer 24415 485951 88862 0 7 0x4000002 syz-fuzzer 24415 217053 88862 0 3 0x4000082 thrsleep syz-fuzzer 24415 495297 88862 0 3 0x4000082 thrsleep syz-fuzzer 24415 216102 88862 0 3 0x4000082 kqread syz-fuzzer 24415 271164 88862 0 3 0x4000082 thrsleep syz-fuzzer 24415 269502 88862 0 3 0x4000082 thrsleep syz-fuzzer 24415 465680 88862 0 3 0x4000082 thrsleep syz-fuzzer 88862 8421 60146 0 3 0x10008a pause ksh 60146 54342 41114 0 3 0x92 select sshd 42197 237638 1 0 3 0x100083 ttyin getty 41114 390344 1 0 3 0x80 select sshd 65214 90466 41849 74 3 0x100092 bpf pflogd 41849 484721 1 0 3 0x80 netio pflogd 70391 463520 96047 73 2 0x100010 syslogd 96047 165717 1 0 3 0x100082 netio syslogd * 2601 38335 1 77 7 0x100010 dhclient 90208 310322 1 0 2 0 dhclient 27393 160823 0 0 3 0x14200 pgzero zerothread 49277 301879 0 0 3 0x14200 aiodoned aiodoned 97993 15230 0 0 3 0x14200 syncer update 91206 495322 0 0 3 0x14200 cleaner cleaner 23382 190071 0 0 3 0x14200 reaper reaper 99210 20431 0 0 3 0x14200 pgdaemon pagedaemon 92016 55362 0 0 3 0x14200 bored crynlk 50973 294678 0 0 3 0x14200 bored crypto 48008 248815 0 0 3 0x40014200 acpi0 acpi0 49280 314369 0 0 3 0x40014200 idle1 40974 451168 0 0 2 0x14200 softnet 78576 11725 0 0 3 0x14200 bored systqmp 869 107678 0 0 3 0x14200 bored systq 76545 315860 0 0 3 0x40014200 bored softclock 41853 49659 0 0 3 0x40014200 idle0 87701 161849 0 0 3 0x14200 bored smr 1 508219 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 70750 (syz-executor.1) thread 0xffff800020ac3878 (108958) exclusive rrwlock inode r = 0 (0xfffffd8066b76d60) #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:573 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1323 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1860 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b43e3c8) #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:573 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1860 #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 Process 70391 (syslogd) thread 0xffff800020aef870 (463520) exclusive rrwlock inode r = 0 (0xfffffd806ecd2918) #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:573 #5 sys_fsync+0x113 sys/kern/vfs_syscalls.c:2881 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 Process 2601 (dhclient) thread 0xffff800020a7c4e8 (38335) exclusive rwlock netlock r = 0 (0xffffffff82529728) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 sysctl_rtable+0x187 sys/net/rtsock.c:2077 #2 sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 #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 exclusive rwlock sysctllk r = 0 (0xffffffff824bf120) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1ac sys/kern/kern_sysctl.c:236 #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 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826463f0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9523 6416K 6993K 78643K 11187 0 pcb 13 8K 8K 78643K 55 0 rtable 80 3K 3K 78643K 343 0 ifaddr 72 14K 16K 78643K 116 0 counters 41 33K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1479 0 iov 0 0K 16K 78643K 23 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1396 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 42 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 3 5K 25K 78643K 211 0 sigio 0 0K 0K 78643K 10 0 proc 60 63K 95K 78643K 495 0 subproc 16 1K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 39 0 in_multi 40 2K 2K 78643K 87 0 ether_multi 1 0K 0K 78643K 5 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 249 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 109 30K 39K 78643K 1659 0 UVM aobj 13 4K 4K 78643K 13 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 43 0 NDP 12 0K 0K 78643K 27 0 temp 93 3015K 3083K 78643K 17565 0 kqueue 3 4K 14K 78643K 27 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 10 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 47 0 45 1 0 1 1 0 8 0 rtentry 112 70 0 39 2 0 2 2 0 8 0 unpcb 120 609 0 599 2 1 1 2 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpqe 32 89 0 89 1 1 0 1 0 8 0 tcpcb 544 88 0 84 2 1 1 2 0 8 0 inpcb 280 306 0 299 3 1 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 12 0 11 1 0 1 1 0 8 0 pffrag 232 8 0 8 1 0 1 1 0 482 1 pffrnode 88 8 0 8 1 0 1 1 0 8 1 pffrent 40 278 0 278 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 37 0 3 1 0 1 1 0 8 0 pfstkey 112 37 0 3 1 0 1 1 0 8 0 pfstate 328 37 0 3 3 0 3 3 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 256 294 0 155 13 0 13 13 0 8 1 art_table 32 295 0 155 2 0 2 2 0 8 0 art_node 16 69 0 40 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 40 0 30 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1684 0 277 46 0 46 46 0 8 0 ffsino 272 1684 0 277 95 0 95 95 0 8 0 nchpl 144 2165 0 563 61 0 61 61 0 8 0 uvmvnodes 72 1869 0 0 34 0 34 34 0 8 0 vnodes 208 1869 0 0 99 0 99 99 0 8 0 namei 1024 6281 0 6281 1 0 1 1 0 8 1 percpumem 16 38 0 7 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 scxspl 192 6551 0 6551 8 4 4 7 0 8 4 plimitpl 152 32 0 25 1 0 1 1 0 8 0 sigapl 432 407 0 394 3 1 2 3 0 8 0 futexpl 56 3939 0 3939 1 0 1 1 0 8 1 knotepl 112 108 0 91 1 0 1 1 0 8 0 kqueuepl 144 54 0 52 1 0 1 1 0 8 0 pipelkpl 48 143 0 134 1 0 1 1 0 8 0 pipepl 120 286 0 271 2 1 1 2 0 8 0 fdescpl 496 408 0 394 3 0 3 3 0 8 0 filepl 152 3247 0 3164 7 1 6 7 0 8 2 lockfpl 104 78 0 77 1 0 1 1 0 8 0 lockfspl 48 37 0 36 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 230 0 221 1 0 1 1 0 8 0 zombiepl 144 394 0 394 1 0 1 1 0 8 1 processpl 960 424 0 394 5 0 5 5 0 8 0 procpl 624 833 0 794 4 0 4 4 0 8 0 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 400 962 0 943 6 2 4 6 0 8 2 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 206 0 0 25 0 25 25 0 8 0 mtagpl 80 26 0 0 1 0 1 1 0 8 0 mbufpl 256 356 0 0 22 0 22 22 0 8 0 bufpl 280 4545 0 176 313 0 313 313 0 8 0 anonpl 16 60000 0 43598 76 5 71 75 0 124 1 amapchunkpl 152 2835 0 2703 21 1 20 20 0 158 14 amappl16 192 1983 0 1041 52 4 48 52 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 10 0 10 2 1 1 1 0 8 1 amappl13 168 74 0 73 1 0 1 1 0 8 0 amappl12 160 19 0 15 1 0 1 1 0 8 0 amappl11 152 160 0 140 2 1 1 2 0 8 0 amappl10 144 23 0 19 1 0 1 1 0 8 0 amappl9 136 429 0 426 1 0 1 1 0 8 0 amappl8 128 385 0 356 2 0 2 2 0 8 0 amappl7 120 126 0 112 1 0 1 1 0 8 0 amappl6 112 110 0 106 1 0 1 1 0 8 0 amappl5 104 304 0 289 1 0 1 1 0 8 0 amappl4 96 564 0 530 2 1 1 2 0 8 0 amappl3 88 108 0 102 1 0 1 1 0 8 0 amappl2 80 2270 0 2212 3 1 2 3 0 8 0 amappl1 72 19365 0 18957 26 16 10 20 0 8 0 amappl 80 1105 0 1064 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 12 0 0 1 0 1 1 0 8 0 uaddrrnd 24 410 0 394 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 410 0 394 1 0 1 1 0 8 0 vmmpekpl 168 7270 0 7235 2 0 2 2 0 8 0 vmmpepl 168 58263 0 56348 135 7 128 128 0 357 35 vmsppl 368 409 0 394 2 0 2 2 0 8 0 pdppl 4096 827 0 790 6 0 6 6 0 8 0 pvpl 32 191197 0 171773 180 4 176 180 0 265 10 pmappl 232 409 0 394 3 1 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 190 0 6 6 0 6 6 0 8 0