uvm_fault(0xfffffd803f013d68, 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(0xfffffd803f013d68, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800017c0bad0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009d6000,ffff800017c0bb88,ffff800017c0bae0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd803f02f700,fffffd80363dca88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363dca88,9,fffffd803f02f700,0,0,ffff8000ffff52d0) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363dca88,0,ffff800017c0bd80,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff52d0,3,ffff800017c0be60,0,ffff800017c0bf70) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff52d0,ffff800017c0bf08,ffff800017c0bf70) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800017c0bfe0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,76c1370e010) at Xsyscall+0x128 end of kernel end trace frame: 0x76ee5533cd0, count: -9 ddb> show registers rdi 0xffffffff819af1c7 arp_rtrequest+0x157 rsi 0x195 rbp 0xffff800017c0ba30 rbx 0xffff80000005b420 rdx 0x196 rcx 0xdeaf4152deaf4152 rax 0xffff80000005b428 r8 0x40 r9 0x5 r10 0xffff800000995840 r11 0x47a12d950d701070 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd803ebec7e8 r15 0x100000000 rip 0xffffffff819af1cf arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017c0b9b0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=479422 stat=onproc flags process=0 proc=4000000 pri=68, usrpri=68, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9778,0xffffffff8227f910 process=0xffff8000ffff6d30 user=0xffff800017c07000, vmspace=0xfffffd803f013d68 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 91760 378614 26788 0 2 0 syz-executor.1 *91760 479422 26788 0 7 0x4000000 syz-executor.1 94928 171087 2499 0 2 0 syz-executor.0 94928 71860 2499 0 3 0x4000080 fsleep syz-executor.0 3726 273615 1 0 3 0x80 nanosleep init 89837 306400 0 0 3 0x14200 bored sosplice 26788 352392 21616 0 3 0x82 nanosleep syz-executor.1 2499 452212 21616 0 3 0x82 nanosleep syz-executor.0 21616 180680 50515 0 3 0x82 kqread syz-fuzzer 21616 155859 50515 0 3 0x4000082 thrsleep syz-fuzzer 21616 155359 50515 0 3 0x4000082 thrsleep syz-fuzzer 21616 225911 50515 0 2 0x4000482 syz-fuzzer 21616 416578 50515 0 3 0x4000082 thrsleep syz-fuzzer 21616 374911 50515 0 3 0x4000082 thrsleep syz-fuzzer 21616 517514 50515 0 3 0x4000082 thrsleep syz-fuzzer 50515 292964 11872 0 3 0x10008a pause ksh 11872 502367 85171 0 3 0x92 select sshd 85171 357183 1 0 3 0x80 select sshd 85791 237947 30821 73 2 0x100090 syslogd 30821 465613 1 0 3 0x100082 netio syslogd 66392 99161 1 77 3 0x100090 poll dhclient 38473 8226 1 0 3 0x80 poll dhclient 78444 201606 0 0 2 0x14200 zerothread 84755 344103 0 0 3 0x14200 aiodoned aiodoned 89117 232890 0 0 3 0x14200 syncer update 48843 369599 0 0 3 0x14200 cleaner cleaner 45395 449503 0 0 3 0x14200 reaper reaper 9817 114275 0 0 3 0x14200 pgdaemon pagedaemon 58561 215658 0 0 3 0x14200 bored crynlk 51572 170314 0 0 3 0x14200 bored crypto 85987 222531 0 0 3 0x40014200 acpi0 acpi0 23273 433270 0 0 3 0x14200 bored softnet 69495 188795 0 0 3 0x14200 bored systqmp 75571 152315 0 0 3 0x14200 bored systq 54989 342253 0 0 3 0x40014200 bored softclock 299 453412 0 0 3 0x40014200 idle0 61853 515416 0 0 3 0x14200 bored smr 1 285237 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 9488 6335K 6715K 78643K 12030 0 0 pcb 24 9K 11K 78643K 460 0 0 rtable 123 5K 5K 78643K 345 0 0 ifaddr 51 12K 12K 78643K 98 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 61 0 0 iov 0 0K 16K 78643K 73 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1204 76K 76K 78643K 1821 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 13 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 58 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 837 0 0 sigio 0 0K 0K 78643K 16 0 0 proc 35 22K 54K 78643K 357 0 0 subproc 32 2K 2K 78643K 34 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 69 0 0 in_multi 33 2K 2K 78643K 59 0 0 ether_multi 1 0K 0K 78643K 6 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 66 291K 291K 78643K 66 0 0 exec 0 0K 1K 78643K 253 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 78 20K 21K 78643K 2764 0 0 UVM aobj 44 3K 4K 78643K 50 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 19 0 0 NDP 10 0K 0K 78643K 26 0 0 temp 159 2715K 2781K 78643K 5349 0 0 kqueue 0 0K 0K 78643K 7 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 280 330 0 323 1 0 1 1 0 8 0 plimitpl 152 37 0 31 1 0 1 1 0 8 0 rtentry 112 51 0 5 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 134 0 130 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 9 0 9 4 3 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 201 0 0 13 0 13 13 0 8 0 art_table 32 203 0 0 2 0 2 2 0 8 0 art_node 16 46 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 5 1 0 1 1 0 8 0 semapl 112 56 0 46 1 0 1 1 0 8 0 shmpl 112 48 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2731 0 1319 46 0 46 46 0 8 0 ffsino 240 2731 0 1319 84 0 84 84 0 8 0 nchpl 144 4102 0 2469 61 0 61 61 0 8 0 uvmvnodes 72 3110 0 0 57 0 57 57 0 8 0 vnodes 200 3110 0 0 164 0 164 164 0 8 0 namei 1024 11719 0 11719 2 1 1 1 0 8 1 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 11375 0 11375 7 6 1 6 0 8 1 sigapl 432 1010 0 996 2 0 2 2 0 8 0 futexpl 56 12295 0 12294 1 0 1 1 0 8 0 knotepl 112 171 0 152 1 0 1 1 0 8 0 kqueuepl 104 166 0 164 1 0 1 1 0 8 0 pipepl 112 588 0 569 5 4 1 2 0 8 0 fdescpl 424 1011 0 996 2 0 2 2 0 8 0 filepl 120 5656 0 5562 5 1 4 5 0 8 1 lockfpl 104 251 0 251 3 2 1 1 0 8 1 lockfspl 48 80 0 80 3 2 1 1 0 8 1 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 34 0 25 1 0 1 1 0 8 0 ucredpl 96 1224 0 1217 1 0 1 1 0 8 0 zombiepl 144 996 0 996 2 1 1 1 0 8 1 processpl 840 1026 0 996 4 0 4 4 0 8 0 procpl 600 2057 0 2019 4 0 4 4 0 8 1 sosppl 128 10 0 10 4 4 0 1 0 8 0 sockpl 384 747 0 729 4 1 3 4 0 8 1 mcl64k 65536 763 0 763 75 18 57 65 0 8 57 mcl16k 16384 6 0 6 2 2 0 1 0 8 0 mcl12k 12288 12 0 12 4 3 1 1 0 8 1 mcl9k 9216 13 0 13 6 5 1 1 0 8 1 mcl8k 8192 11 0 11 4 3 1 1 0 8 1 mcl4k 4096 40 0 40 4 3 1 1 0 8 1 mcl2k2 2112 9 0 9 3 3 0 1 0 8 0 mcl2k 2048 53615 0 53569 15 8 7 12 0 8 0 mtagpl 80 4 0 4 2 1 1 1 0 8 1 mbufpl 256 92201 0 92121 49 39 10 36 0 8 4 bufpl 256 7018 0 2540 280 0 280 280 0 8 0 anonpl 16 102664 0 93290 73 18 55 55 0 62 15 amapchunkpl 152 4271 0 4183 16 10 6 9 0 158 1 amappl16 192 4806 0 4296 59 24 35 38 0 8 8 amappl15 184 405 0 403 1 0 1 1 0 8 0 amappl14 176 429 0 426 2 1 1 1 0 8 0 amappl12 160 409 0 403 1 0 1 1 0 8 0 amappl11 152 55 0 40 1 0 1 1 0 8 0 amappl10 144 79 0 76 2 1 1 1 0 8 0 amappl9 136 555 0 552 1 0 1 1 0 8 0 amappl8 128 126 0 113 1 0 1 1 0 8 0 amappl7 120 32 0 28 1 0 1 1 0 8 0 amappl6 112 53 0 47 1 0 1 1 0 8 0 amappl5 104 515 0 504 1 0 1 1 0 8 0 amappl4 96 1126 0 1102 1 0 1 1 0 8 0 amappl3 88 195 0 186 1 0 1 1 0 8 0 amappl2 80 7566 0 7495 4 2 2 3 0 8 0 amappl1 72 26614 0 26221 24 15 9 19 0 8 0 amappl 80 2295 0 2260 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 49 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1011 0 996 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1011 0 996 1 0 1 1 0 8 0 vmmpekpl 168 10334 0 10310 2 0 2 2 0 8 0 vmmpepl 168 109906 0 108384 96 19 77 77 0 357 10 vmsppl 264 1010 0 996 2 1 1 2 0 8 0 pdppl 4096 2028 0 1992 6 1 5 6 0 8 0 pvpl 32 302157 0 289845 176 39 137 137 0 265 35 pmappl 200 1010 0 996 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 542 0 77 15 0 15 15 0 8 0