uvm_fault(0xfffffd803f013b58, 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(0xfffffd803f013b58, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000149ee6d0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff800000a13a00,ffff8000149ee788,ffff8000149ee6e0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803006db00,fffffd802ed5bda0,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd802ed5bda0,9,fffffd803006db00,0,0,ffff8000149c8270) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd802ed5bda0,0,ffff8000149ee980,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000149c8270,3,ffff8000149eea60,0,ffff8000149eeb70) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149c8270,ffff8000149eeb08,ffff8000149eeb70) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149eebe0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,65527e24010) at Xsyscall+0x128 end of kernel end trace frame: 0x657acd2b9a0, count: -9 ddb> show registers rdi 0xffffffff819af1c7 arp_rtrequest+0x157 rsi 0x178 rbp 0xffff8000149ee630 rbx 0xffff800000025310 rdx 0x179 rcx 0xdeafbeaddeafbead rax 0xffff800000025318 r8 0x40 r9 0x5 r10 0xffff800000994b00 r11 0xab791651a63733eb r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd80351dc7e8 r15 0x100000000 rip 0xffffffff819af1cf arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149ee5b0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=406484 stat=onproc flags process=0 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000149c8e28,0xffff8000149c84d8 process=0xffff8000ffff6d30 user=0xffff8000149e9000, vmspace=0xfffffd803f013b58 estcpu=1, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 62194 124380 65520 0 2 0 syz-executor.1 *62194 406484 65520 0 7 0x4000000 syz-executor.1 56829 153869 35246 0 2 0 syz-executor.0 56829 41343 35246 0 3 0x4000080 fsleep syz-executor.0 56829 311433 35246 0 3 0x4000080 fsleep syz-executor.0 48707 440635 1 0 3 0x100083 ttyin getty 27359 329185 0 0 3 0x14200 bored sosplice 35246 88308 40783 0 3 0x82 nanosleep syz-executor.0 65520 430008 40783 0 3 0x82 nanosleep syz-executor.1 40783 375293 13088 0 3 0x82 thrsleep syz-fuzzer 40783 137969 13088 0 3 0x4000082 thrsleep syz-fuzzer 40783 401769 13088 0 3 0x4000082 thrsleep syz-fuzzer 40783 230202 13088 0 3 0x4000082 thrsleep syz-fuzzer 40783 470317 13088 0 3 0x4000082 kqread syz-fuzzer 40783 330831 13088 0 3 0x4000082 thrsleep syz-fuzzer 40783 185674 13088 0 3 0x4000082 thrsleep syz-fuzzer 40783 221459 13088 0 3 0x4000082 thrsleep syz-fuzzer 13088 350631 39182 0 3 0x10008a pause ksh 39182 455738 65332 0 3 0x92 select sshd 65332 492308 1 0 3 0x80 select sshd 74372 194681 53664 73 2 0x100090 syslogd 53664 88489 1 0 3 0x100082 netio syslogd 18670 196960 1 77 3 0x100090 poll dhclient 5232 366686 1 0 3 0x80 poll dhclient 46335 134523 0 0 2 0x14200 zerothread 25449 105850 0 0 3 0x14200 aiodoned aiodoned 4850 57089 0 0 3 0x14200 syncer update 53836 210412 0 0 3 0x14200 cleaner cleaner 10801 171084 0 0 3 0x14200 reaper reaper 93443 462694 0 0 3 0x14200 pgdaemon pagedaemon 49379 35497 0 0 3 0x14200 bored crynlk 5879 519862 0 0 3 0x14200 bored crypto 88187 349223 0 0 3 0x40014200 acpi0 acpi0 24848 159865 0 0 3 0x14200 bored softnet 9590 474273 0 0 3 0x14200 bored systqmp 99452 286906 0 0 3 0x14200 bored systq 29486 325870 0 0 3 0x40014200 bored softclock 55109 218557 0 0 3 0x40014200 idle0 79748 25180 0 0 3 0x14200 bored smr 1 440516 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 9505 6347K 6861K 78643K 15851 0 0 pcb 24 9K 10K 78643K 1382 0 0 rtable 135 5K 5K 78643K 674 0 0 ifaddr 56 14K 15K 78643K 261 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 142 0 0 iov 0 0K 28K 78643K 355 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1211 76K 77K 78643K 3577 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 36 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 210 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 2908 0 0 sigio 0 0K 0K 78643K 58 0 0 proc 42 30K 46K 78643K 619 0 0 subproc 32 2K 2K 78643K 40 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 283 0 0 in_multi 33 2K 2K 78643K 101 0 0 ether_multi 1 0K 0K 78643K 11 0 0 mrt 0 0K 0K 78643K 11 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 398 0 0 pfkey data 0 0K 0K 78643K 2 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 86 20K 29K 78643K 7672 0 0 UVM aobj 130 9K 9K 78643K 135 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 112 0 0 NDP 11 0K 0K 78643K 68 0 0 temp 168 2715K 3354K 78643K 11403 0 0 kqueue 0 0K 0K 78643K 12 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 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 1188 0 1181 1 0 1 1 0 8 0 plimitpl 152 72 0 65 1 0 1 1 0 8 0 rtentry 112 61 0 11 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 544 446 0 442 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 46 0 46 12 12 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 50 0 9 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 5 1 0 1 1 0 8 0 semapl 112 208 0 198 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6354 0 4913 47 0 47 47 0 8 0 ffsino 240 6354 0 4913 85 0 85 85 0 8 0 nchpl 144 10657 0 9033 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 32886 0 32886 3 2 1 1 0 8 1 scsiplug 64 5 0 5 4 4 0 1 0 8 0 scxspl 192 33888 0 33888 16 15 1 6 0 8 1 sigapl 432 3081 0 3067 2 0 2 2 0 8 0 futexpl 56 44809 0 44807 2 1 1 1 0 8 0 knotepl 112 587 0 568 1 0 1 1 0 8 0 kqueuepl 104 702 0 700 1 0 1 1 0 8 0 pipepl 112 1672 0 1653 5 4 1 2 0 8 0 fdescpl 424 3082 0 3067 2 0 2 2 0 8 0 filepl 120 18086 0 17991 5 1 4 5 0 8 0 lockfpl 104 979 0 979 2 2 0 1 0 8 0 lockfspl 48 340 0 340 2 2 0 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 61 0 51 1 0 1 1 0 8 0 ucredpl 96 4188 0 4181 1 0 1 1 0 8 0 zombiepl 144 3067 0 3067 2 1 1 1 0 8 1 processpl 840 3097 0 3067 4 0 4 4 0 8 0 procpl 600 6848 0 6808 4 0 4 4 0 8 0 sosppl 128 39 0 39 11 11 0 1 0 8 0 sockpl 384 2419 0 2401 5 2 3 3 0 8 0 mcl64k 65536 327 0 327 36 36 0 29 0 8 0 mcl16k 16384 5 0 5 5 5 0 1 0 8 0 mcl12k 12288 53 0 53 8 8 0 1 0 8 0 mcl9k 9216 48 0 48 8 8 0 1 0 8 0 mcl8k 8192 30 0 30 9 9 0 1 0 8 0 mcl4k 4096 111 0 111 6 6 0 1 0 8 0 mcl2k2 2112 21 0 21 8 8 0 1 0 8 0 mcl2k 2048 57055 0 57013 16 10 6 11 0 8 0 mtagpl 80 6 0 6 3 3 0 1 0 8 0 mbufpl 256 106804 0 106749 21 15 6 19 0 8 0 bufpl 256 14728 0 8789 372 0 372 372 0 8 0 anonpl 16 273766 0 264086 143 87 56 69 0 62 15 amapchunkpl 152 13172 0 13082 45 40 5 14 0 158 0 amappl16 192 16132 0 15607 119 84 35 48 0 8 8 amappl15 184 1467 0 1466 2 1 1 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 1432 0 1426 1 0 1 1 0 8 0 amappl11 152 58 0 44 1 0 1 1 0 8 0 amappl10 144 71 0 68 2 1 1 1 0 8 0 amappl9 136 550 0 547 1 0 1 1 0 8 0 amappl8 128 135 0 119 1 0 1 1 0 8 0 amappl7 120 30 0 26 1 0 1 1 0 8 0 amappl6 112 56 0 49 1 0 1 1 0 8 0 amappl5 104 1568 0 1556 1 0 1 1 0 8 0 amappl4 96 3236 0 3212 1 0 1 1 0 8 0 amappl3 88 277 0 267 1 0 1 1 0 8 0 amappl2 80 25368 0 25292 4 2 2 3 0 8 0 amappl1 72 61536 0 61116 24 15 9 19 0 8 0 amappl 80 7120 0 7084 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 64 134 0 5 3 0 3 3 0 8 0 uaddrrnd 24 3082 0 3067 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3082 0 3067 1 0 1 1 0 8 0 vmmpekpl 168 24840 0 24816 2 0 2 2 0 8 0 vmmpepl 168 313413 0 311829 155 79 76 97 0 357 6 vmsppl 264 3081 0 3067 2 1 1 2 0 8 0 pdppl 4096 6170 0 6134 6 1 5 6 0 8 0 pvpl 32 849639 0 836774 322 178 144 236 0 265 38 pmappl 200 3081 0 3067 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 579 0 86 15 0 15 15 0 8 0