uvm_fault(0xfffffd803f00cd68, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f00cd68, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000159e0370, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009d5400,ffff8000159e0428,ffff8000159e0380,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803032b400,fffffd80363dad88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363dad88,9,fffffd803032b400,0,0,ffff800014950978) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363dad88,0,ffff8000159e0620,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014950978,3,ffff8000159e0700,0,ffff8000159e0810) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014950978,ffff8000159e07a8,ffff8000159e0810) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159e0880) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,7e80d3c6010) at Xsyscall+0x128 end of kernel end trace frame: 0x7ea3685ca80, count: -9 ddb> show registers rdi 0xffffffff817346a7 arp_rtrequest+0x157 rsi 0x178 rbp 0xffff8000159e02d0 rbx 0xffff800000025830 rdx 0x179 rcx 0xdeafbeaddeafbead rax 0xffff800000025838 r8 0x40 r9 0x5 r10 0xffff80000099d000 r11 0xe82fd07f5ae344c2 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd8038b4b008 r15 0x100000000 rip 0xffffffff817346af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159e0250 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=523146 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000149504c8,0xffffffff822c7180 process=0xffff8000149533c8 user=0xffff8000159db000, vmspace=0xfffffd803f00cd68 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 89305 392162 63105 0 2 0 syz-executor.1 *89305 523146 63105 0 7 0x4000000 syz-executor.1 88425 422079 1 0 3 0x100083 ttyin getty 63105 113308 3604 0 2 0x482 syz-executor.1 89120 67754 3604 0 2 0x2 syz-executor.0 63693 259990 0 0 3 0x14200 bored sosplice 3604 224401 79369 0 3 0x82 thrsleep syz-fuzzer 3604 274189 79369 0 3 0x4000082 nanosleep syz-fuzzer 3604 245439 79369 0 3 0x4000082 thrsleep syz-fuzzer 3604 236221 79369 0 3 0x4000082 kqread syz-fuzzer 3604 415531 79369 0 3 0x4000082 thrsleep syz-fuzzer 3604 484176 79369 0 3 0x4000082 thrsleep syz-fuzzer 3604 50252 79369 0 3 0x4000082 thrsleep syz-fuzzer 3604 315953 79369 0 3 0x4000082 thrsleep syz-fuzzer 79369 2025 91511 0 3 0x10008a pause ksh 91511 434573 55150 0 3 0x92 select sshd 55150 179010 1 0 3 0x80 select sshd 40844 178624 29760 73 2 0x100090 syslogd 29760 426994 1 0 3 0x100082 netio syslogd 23034 247983 1 77 3 0x100090 poll dhclient 695 462749 1 0 3 0x80 poll dhclient 92710 258858 0 0 2 0x14200 zerothread 90666 462580 0 0 3 0x14200 aiodoned aiodoned 84178 170534 0 0 3 0x14200 syncer update 80797 390140 0 0 3 0x14200 cleaner cleaner 27086 303817 0 0 3 0x14200 reaper reaper 52362 311899 0 0 3 0x14200 pgdaemon pagedaemon 61158 51878 0 0 3 0x14200 bored crynlk 5816 423560 0 0 3 0x14200 bored crypto 59300 20339 0 0 3 0x40014200 acpi0 acpi0 53444 418123 0 0 3 0x14200 bored softnet 80069 433522 0 0 3 0x14200 bored systqmp 36938 490465 0 0 3 0x14200 bored systq 3401 314352 0 0 3 0x40014200 bored softclock 56926 177850 0 0 3 0x40014200 idle0 74109 320424 0 0 3 0x14200 bored smr 1 92041 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9512 6358K 6901K 78643K 20776 0 0 pcb 24 9K 11K 78643K 2547 0 0 rtable 126 5K 5K 78643K 1122 0 0 ifaddr 59 14K 15K 78643K 458 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 199 0 0 iov 0 0K 24K 78643K 643 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1201 75K 76K 78643K 5499 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 75 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 297 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 5421 0 0 sigio 0 0K 0K 78643K 61 0 0 proc 42 30K 55K 78643K 894 0 0 subproc 32 2K 2K 78643K 82 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 524 0 0 in_multi 33 2K 2K 78643K 188 0 0 ether_multi 1 0K 0K 78643K 17 0 0 mrt 0 0K 0K 78643K 7 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 96 424K 424K 78643K 96 0 0 exec 0 0K 1K 78643K 585 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 88 20K 29K 78643K 13434 0 0 UVM aobj 130 8K 8K 78643K 164 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 182 0 0 NDP 12 0K 0K 78643K 123 0 0 temp 180 2715K 2787K 78643K 18928 0 0 kqueue 0 0K 0K 78643K 54 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 10 0 4 1 0 1 1 0 8 0 inpcbpl 280 2101 0 2094 1 0 1 1 0 8 0 plimitpl 152 150 0 143 1 0 1 1 0 8 0 rtentry 112 97 0 50 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 788 0 784 1 0 1 1 0 8 0 nd6 48 12 0 6 2 1 1 1 0 8 0 ppxss 1128 83 0 83 14 14 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 288 0 92 15 2 13 13 0 8 0 art_table 32 289 0 92 3 1 2 2 0 8 0 art_node 16 69 0 28 1 0 1 1 0 8 0 sysvmsgpl 40 28 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 295 0 285 1 0 1 1 0 8 0 shmpl 112 162 0 34 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 10289 0 8830 48 0 48 48 0 8 0 ffsino 240 10289 0 8830 86 0 86 86 0 8 0 nchpl 144 17979 0 16367 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 56170 0 56170 3 2 1 1 0 8 1 scsiplug 64 11 0 11 8 8 0 1 0 8 0 scxspl 192 57193 0 57193 23 22 1 6 0 8 1 sigapl 432 5591 0 5578 2 0 2 2 0 8 0 futexpl 56 81206 0 81206 2 1 1 1 0 8 1 knotepl 112 1036 0 1017 1 0 1 1 0 8 0 kqueuepl 104 1159 0 1157 1 0 1 1 0 8 0 pipepl 112 3140 0 3121 10 9 1 2 0 8 0 fdescpl 424 5592 0 5578 2 0 2 2 0 8 0 filepl 120 32299 0 32203 8 4 4 5 0 8 1 lockfpl 104 1822 0 1822 3 2 1 1 0 8 1 lockfspl 48 622 0 622 3 2 1 1 0 8 1 sessionpl 112 24 0 14 1 0 1 1 0 8 0 pgrppl 48 76 0 66 1 0 1 1 0 8 0 ucredpl 96 7344 0 7337 1 0 1 1 0 8 0 zombiepl 144 5578 0 5578 3 2 1 1 0 8 1 processpl 840 5607 0 5578 4 0 4 4 0 8 0 procpl 600 12431 0 12394 4 0 4 4 0 8 0 sosppl 128 73 0 73 15 15 0 1 0 8 0 sockpl 384 4364 0 4346 5 2 3 4 0 8 1 mcl64k 65536 1409 0 1409 110 81 29 65 0 8 29 mcl16k 16384 19 0 19 13 13 0 1 0 8 0 mcl12k 12288 80 0 80 14 13 1 1 0 8 1 mcl9k 9216 76 0 76 13 13 0 1 0 8 0 mcl8k 8192 59 0 59 18 17 1 1 0 8 1 mcl4k 4096 203 0 203 6 5 1 1 0 8 1 mcl2k2 2112 21 0 21 13 13 0 1 0 8 0 mcl2k 2048 61697 0 61655 18 12 6 11 0 8 0 mtagpl 80 14 0 14 4 4 0 1 0 8 0 mbufpl 256 126290 0 126215 65 51 14 36 0 8 8 bufpl 256 18826 0 13135 356 0 356 356 0 8 0 anonpl 16 478576 0 468765 193 139 54 57 0 62 13 amapchunkpl 152 22039 0 21954 37 30 7 18 0 158 2 amappl16 192 29740 0 29208 191 158 33 40 0 8 5 amappl15 184 1384 0 1383 1 0 1 1 0 8 0 amappl14 176 1413 0 1408 2 1 1 1 0 8 0 amappl12 160 14 0 13 3 2 1 1 0 8 0 amappl11 152 55 0 41 1 0 1 1 0 8 0 amappl10 144 1471 0 1469 6 5 1 1 0 8 0 amappl9 136 1835 0 1832 1 0 1 1 0 8 0 amappl8 128 1426 0 1405 1 0 1 1 0 8 0 amappl7 120 1399 0 1394 1 0 1 1 0 8 0 amappl6 112 65 0 57 1 0 1 1 0 8 0 amappl5 104 183 0 172 1 0 1 1 0 8 0 amappl4 96 5675 0 5651 1 0 1 1 0 8 0 amappl3 88 349 0 338 1 0 1 1 0 8 0 amappl2 80 44548 0 44481 4 2 2 3 0 8 0 amappl1 72 104617 0 104203 27 18 9 19 0 8 0 amappl 80 12732 0 12699 1 0 1 1 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 163 0 34 3 0 3 3 0 8 0 uaddrrnd 24 5592 0 5578 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5592 0 5578 1 0 1 1 0 8 0 vmmpekpl 168 37155 0 37132 2 0 2 2 0 8 0 vmmpepl 168 555073 0 553568 208 130 78 96 0 357 5 vmsppl 264 5591 0 5578 3 2 1 2 0 8 0 pdppl 4096 11191 0 11156 7 2 5 6 0 8 0 pvpl 32 1337907 0 1324991 371 217 154 193 0 265 43 pmappl 200 5591 0 5578 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 704 0 187 16 0 16 16 0 8 0