uvm_fault(0xfffffd803f013108, 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(0xfffffd803f013108, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000159ecb40, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009bd600,ffff8000159ecbf8,ffff8000159ecb50,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8035e3da00,fffffd80363e7d88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363e7d88,9,fffffd8035e3da00,0,0,ffff8000149c44c8) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363e7d88,0,ffff8000159ecdf0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000149c44c8,3,ffff8000159eced0,0,ffff8000159ecfe0) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149c44c8,ffff8000159ecf78,ffff8000159ecfe0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159ed050) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,9ad02cc5010) at Xsyscall+0x128 end of kernel end trace frame: 0x9afdac26ac0, count: -9 ddb> show registers rdi 0xffffffff819af1c7 arp_rtrequest+0x157 rsi 0x178 rbp 0xffff8000159ecaa0 rbx 0xffff8000000252c0 rdx 0x179 rcx 0xdeafbeaddeafbead rax 0xffff8000000252c8 r8 0x40 r9 0x5 r10 0xffff80000099d440 r11 0x3b7d49c77ce5229 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd80301db5b8 r15 0x100000000 rip 0xffffffff819af1cf arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159eca20 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=386871 stat=onproc flags process=0 proc=4000000 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000149c5080,0xffffffff8227f910 process=0xffff8000149529f0 user=0xffff8000159e8000, vmspace=0xfffffd803f013108 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 24130 137401 28600 0 2 0 syz-executor.0 *24130 386871 28600 0 7 0x4000000 syz-executor.0 35487 200934 1 0 3 0x100083 ttyin getty 28600 480561 35167 0 2 0x482 syz-executor.0 36073 461516 35167 0 2 0x2 syz-executor.1 43721 53206 0 0 3 0x14200 bored sosplice 35167 214374 48092 0 3 0x82 kqread syz-fuzzer 35167 142680 48092 0 2 0x4000482 syz-fuzzer 35167 330246 48092 0 3 0x4000082 thrsleep syz-fuzzer 35167 405331 48092 0 3 0x4000082 thrsleep syz-fuzzer 35167 24360 48092 0 3 0x4000082 thrsleep syz-fuzzer 35167 232126 48092 0 3 0x4000082 thrsleep syz-fuzzer 35167 157432 48092 0 3 0x4000082 thrsleep syz-fuzzer 35167 42582 48092 0 3 0x4000082 thrsleep syz-fuzzer 48092 360956 80993 0 3 0x10008a pause ksh 80993 262899 73406 0 3 0x92 select sshd 73406 447300 1 0 3 0x80 select sshd 82302 234944 42708 73 2 0x100090 syslogd 42708 402534 1 0 3 0x100082 netio syslogd 15303 410688 1 77 3 0x100090 poll dhclient 58457 49564 1 0 3 0x80 poll dhclient 46420 523909 0 0 2 0x14200 zerothread 71220 384685 0 0 3 0x14200 aiodoned aiodoned 94361 195538 0 0 3 0x14200 syncer update 59025 504392 0 0 3 0x14200 cleaner cleaner 82293 450765 0 0 3 0x14200 reaper reaper 59418 296829 0 0 3 0x14200 pgdaemon pagedaemon 46054 274177 0 0 3 0x14200 bored crynlk 29662 455930 0 0 3 0x14200 bored crypto 89670 97110 0 0 3 0x40014200 acpi0 acpi0 22652 281753 0 0 3 0x14200 bored softnet 52137 214703 0 0 3 0x14200 bored systqmp 136 338270 0 0 3 0x14200 bored systq 37350 70854 0 0 3 0x40014200 bored softclock 18088 312276 0 0 3 0x40014200 idle0 62924 360965 0 0 3 0x14200 bored smr 1 71959 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 9498 7114K 7372K 78643K 15330 0 0 pcb 24 9K 11K 78643K 915 0 0 rtable 117 4K 5K 78643K 708 0 0 ifaddr 50 13K 15K 78643K 283 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 92 0 0 iov 0 0K 24K 78643K 240 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1199 75K 76K 78643K 3040 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 26 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 152 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 2124 0 0 sigio 0 0K 0K 78643K 19 0 0 proc 42 30K 46K 78643K 620 0 0 subproc 32 2K 2K 78643K 68 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 171 0 0 in_multi 33 2K 2K 78643K 97 0 0 ether_multi 1 0K 0K 78643K 4 0 0 mrt 0 0K 0K 78643K 2 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 359 0 0 pfkey data 0 0K 0K 78643K 6 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 82 20K 30K 78643K 5813 0 0 UVM aobj 102 6K 6K 78643K 109 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 48 0 0 NDP 9 0K 0K 78643K 74 0 0 temp 151 2715K 3354K 78643K 9619 0 0 kqueue 0 0K 0K 78643K 20 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 280 787 0 780 1 0 1 1 0 8 0 plimitpl 152 61 0 54 1 0 1 1 0 8 0 rtentry 112 73 0 28 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 302 0 298 1 0 1 1 0 8 0 nd6 48 12 0 6 1 0 1 1 0 8 0 ppxss 1128 49 0 49 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 289 0 92 15 2 13 13 0 8 0 art_table 32 290 0 92 2 0 2 2 0 8 0 art_node 16 67 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 150 0 140 1 0 1 1 0 8 0 shmpl 112 107 0 7 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4848 0 3423 47 0 47 47 0 8 0 ffsino 240 4848 0 3423 85 0 85 85 0 8 0 nchpl 144 7940 0 6331 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 24268 0 24267 2 1 1 1 0 8 0 scsiplug 64 5 0 5 5 5 0 1 0 8 0 scxspl 192 24242 0 24242 15 14 1 6 0 8 1 sigapl 432 2293 0 2280 2 0 2 2 0 8 0 futexpl 56 30879 0 30879 2 1 1 1 0 8 1 knotepl 112 465 0 446 1 0 1 1 0 8 0 kqueuepl 104 406 0 404 1 0 1 1 0 8 0 pipepl 112 1236 0 1217 4 3 1 2 0 8 0 fdescpl 424 2294 0 2280 2 0 2 2 0 8 0 filepl 120 12743 0 12648 6 2 4 5 0 8 1 lockfpl 104 630 0 630 3 2 1 1 0 8 1 lockfspl 48 237 0 237 3 2 1 1 0 8 1 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 43 0 33 1 0 1 1 0 8 0 ucredpl 96 2868 0 2861 1 0 1 1 0 8 0 zombiepl 144 2280 0 2280 2 1 1 1 0 8 1 processpl 840 2309 0 2280 4 0 4 4 0 8 0 procpl 600 4947 0 4910 4 0 4 4 0 8 0 sosppl 128 20 0 20 5 4 1 1 0 8 1 sockpl 384 1615 0 1597 5 2 3 4 0 8 1 mcl64k 65536 40 0 40 8 8 0 1 0 8 0 mcl16k 16384 5 0 5 4 4 0 1 0 8 0 mcl12k 12288 32 0 32 7 6 1 1 0 8 1 mcl9k 9216 34 0 34 7 6 1 1 0 8 1 mcl8k 8192 27 0 27 7 6 1 1 0 8 1 mcl4k 4096 73 0 73 5 4 1 1 0 8 1 mcl2k2 2112 9 0 9 4 4 0 1 0 8 0 mcl2k 2048 55564 0 55523 13 7 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 100774 0 100685 14 4 10 10 0 8 0 bufpl 256 11600 0 5917 356 0 356 356 0 8 0 anonpl 16 187072 0 177743 79 33 46 56 0 62 7 amapchunkpl 152 9671 0 9586 27 18 9 14 0 158 3 amappl16 192 10828 0 10317 61 33 28 38 0 8 2 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 46 0 45 2 1 1 1 0 8 0 amappl13 168 17 0 17 2 2 0 1 0 8 0 amappl12 160 15 0 12 1 0 1 1 0 8 0 amappl11 152 383 0 365 1 0 1 1 0 8 0 amappl10 144 71 0 69 2 1 1 1 0 8 0 amappl9 136 2322 0 2318 1 0 1 1 0 8 0 amappl8 128 1875 0 1860 1 0 1 1 0 8 0 amappl7 120 44 0 38 1 0 1 1 0 8 0 amappl6 112 375 0 366 1 0 1 1 0 8 0 amappl5 104 149 0 139 1 0 1 1 0 8 0 amappl4 96 2427 0 2404 1 0 1 1 0 8 0 amappl3 88 247 0 237 1 0 1 1 0 8 0 amappl2 80 17388 0 17322 4 2 2 3 0 8 0 amappl1 72 48086 0 47675 24 15 9 19 0 8 0 amappl 80 5224 0 5191 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 64 108 0 7 2 0 2 2 0 8 0 uaddrrnd 24 2294 0 2280 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2294 0 2280 1 0 1 1 0 8 0 vmmpekpl 168 17083 0 17060 2 0 2 2 0 8 0 vmmpepl 168 234468 0 232986 145 75 70 96 0 357 1 vmsppl 264 2293 0 2280 3 2 1 2 0 8 0 pdppl 4096 4594 0 4560 7 2 5 6 0 8 0 pvpl 32 612192 0 599761 209 87 122 191 0 265 17 pmappl 200 2293 0 2280 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 523 0 40 14 0 14 14 0 8 0