uvm_fault(0xfffffd803f00b528, 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(0xfffffd803f00b528, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000159d1ce0, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009e2a00,ffff8000159d1d98,ffff8000159d1cf0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd802c71b800,fffffd80363e3d88,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363e3d88,9,fffffd802c71b800,0,0,ffff800014951080) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363e3d88,0,ffff8000159d1f90,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014951080,3,ffff8000159d2070,0,ffff8000159d2180) at sendit+0x53c sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014951080,ffff8000159d2118,ffff8000159d2180) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159d21f0) at syscall+0x511 Xsyscall(6,0,ffffffffffffffd8,0,6,fac95495010) at Xsyscall+0x128 end of kernel end trace frame: 0xfaf27938790, count: -9 ddb> show registers rdi 0xffffffff812f5717 arp_rtrequest+0x157 rsi 0x196 rbp 0xffff8000159d1c40 rbx 0xffff80000005be10 rdx 0x197 rcx 0xdeaf4152deaf4152 rax 0xffff80000005be18 r8 0x40 r9 0x5 r10 0xffff8000009945c0 r11 0xdeb16a1b70a8eaf6 r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd802c3d3320 r15 0x100000000 rip 0xffffffff812f571f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159d1bc0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.1) pid=178795 stat=onproc flags process=0 proc=4000000 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff800014950bd0,0xffffffff822ccf20 process=0xffff8000ffff7078 user=0xffff8000159cd000, vmspace=0xfffffd803f00b528 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 68052 11386 5183 0 2 0 syz-executor.1 *68052 178795 5183 0 7 0x4000000 syz-executor.1 5183 119743 2569 0 3 0x82 nanosleep syz-executor.1 64991 498800 2569 0 2 0x2 syz-executor.0 41910 157102 1 0 3 0x100083 ttyin getty 83960 197428 0 0 3 0x14200 bored sosplice 2569 360149 50576 0 3 0x82 thrsleep syz-fuzzer 2569 136773 50576 0 3 0x4000082 nanosleep syz-fuzzer 2569 51028 50576 0 3 0x4000082 kqread syz-fuzzer 2569 281306 50576 0 3 0x4000082 thrsleep syz-fuzzer 2569 183334 50576 0 3 0x4000082 thrsleep syz-fuzzer 2569 109206 50576 0 3 0x4000082 thrsleep syz-fuzzer 2569 290102 50576 0 3 0x4000082 thrsleep syz-fuzzer 2569 456730 50576 0 3 0x4000082 thrsleep syz-fuzzer 50576 180202 47356 0 3 0x10008a pause ksh 47356 43729 79058 0 3 0x92 select sshd 79058 446250 1 0 3 0x80 select sshd 10926 421722 31390 73 2 0x100090 syslogd 31390 411686 1 0 3 0x100082 netio syslogd 7638 287978 1 77 3 0x100090 poll dhclient 42415 249331 1 0 3 0x80 poll dhclient 27971 457247 0 0 2 0x14200 zerothread 6714 283698 0 0 3 0x14200 aiodoned aiodoned 93718 163231 0 0 3 0x14200 syncer update 15855 146449 0 0 3 0x14200 cleaner cleaner 38533 508118 0 0 3 0x14200 reaper reaper 86363 130813 0 0 3 0x14200 pgdaemon pagedaemon 82445 239570 0 0 3 0x14200 bored crynlk 97244 410445 0 0 3 0x14200 bored crypto 7088 228238 0 0 3 0x40014200 acpi0 acpi0 91874 160823 0 0 3 0x14200 bored softnet 69381 434812 0 0 3 0x14200 bored systqmp 62526 450628 0 0 3 0x14200 bored systq 39123 393281 0 0 3 0x40014200 bored softclock 32681 129722 0 0 3 0x40014200 idle0 14722 142024 0 0 3 0x14200 bored smr 1 200725 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 9530 6371K 14809K 78643K 30014 0 0 pcb 24 9K 11K 78643K 4735 0 0 rtable 131 5K 5K 78643K 2117 0 0 ifaddr 60 17K 19K 78643K 937 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 372 0 0 iov 0 0K 36K 78643K 1226 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1194 75K 77K 78643K 9384 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 117 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 633 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 9837 0 0 sigio 0 0K 0K 78643K 130 0 0 proc 42 30K 55K 78643K 1556 0 0 subproc 32 2K 2K 78643K 102 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 966 0 0 in_multi 33 2K 2K 78643K 359 0 0 ether_multi 1 0K 0K 78643K 45 0 0 mrt 0 0K 0K 78643K 13 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 126 556K 556K 78643K 126 0 0 exec 0 0K 1K 78643K 992 0 0 pfkey data 0 0K 4K 78643K 4 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 87 20K 31K 78643K 23870 0 0 UVM aobj 130 4K 4K 78643K 146 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 300 0 0 NDP 12 0K 0K 78643K 252 0 0 temp 177 2715K 3355K 78643K 32541 0 0 kqueue 0 0K 0K 78643K 80 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 14 0 8 1 0 1 1 0 8 0 inpcbpl 280 3952 0 3943 4 3 1 2 0 8 0 plimitpl 152 223 0 216 1 0 1 1 0 8 0 rtentry 112 127 0 80 3 1 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpcb 544 1449 0 1445 1 0 1 1 0 8 0 nd6 48 18 0 12 2 1 1 1 0 8 0 ppxss 1128 195 0 195 22 22 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 384 0 187 16 3 13 13 0 8 0 art_table 32 385 0 187 3 1 2 2 0 8 0 art_node 16 91 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 8 1 0 1 1 0 8 0 semapl 112 631 0 621 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 18005 0 16460 50 0 50 50 0 8 0 ffsino 240 18005 0 16460 92 0 92 92 0 8 1 nchpl 144 32060 0 30450 61 0 61 61 0 8 0 uvmvnodes 72 5938 0 0 108 0 108 108 0 8 0 vnodes 200 5938 0 0 313 0 313 313 0 8 0 namei 1024 101237 0 101237 5 4 1 1 0 8 1 scsiplug 64 26 0 26 15 15 0 1 0 8 0 scxspl 192 108359 0 108359 36 34 2 6 0 8 2 sigapl 432 10001 0 9988 2 0 2 2 0 8 0 futexpl 56 152386 0 152386 3 2 1 1 0 8 1 knotepl 112 1828 0 1809 1 0 1 1 0 8 0 kqueuepl 104 2425 0 2423 1 0 1 1 0 8 0 pipepl 112 5688 0 5669 12 11 1 2 0 8 0 fdescpl 424 10002 0 9988 2 0 2 2 0 8 0 filepl 120 59878 0 59783 8 4 4 5 0 8 1 lockfpl 104 3302 0 3302 4 3 1 1 0 8 1 lockfspl 48 1137 0 1137 4 3 1 1 0 8 1 sessionpl 112 26 0 16 1 0 1 1 0 8 0 pgrppl 48 122 0 112 1 0 1 1 0 8 0 ucredpl 96 14285 0 14278 1 0 1 1 0 8 0 zombiepl 144 9988 0 9988 4 3 1 1 0 8 1 processpl 840 10017 0 9988 4 0 4 4 0 8 0 procpl 600 22610 0 22573 4 0 4 4 0 8 0 sosppl 128 113 0 113 27 27 0 1 0 8 0 sockpl 384 8148 0 8130 8 5 3 4 0 8 1 mcl64k 65536 570 0 570 50 49 1 29 0 8 1 mcl16k 16384 31 0 31 21 20 1 1 0 8 1 mcl12k 12288 152 0 152 25 24 1 1 0 8 1 mcl9k 9216 148 0 148 19 18 1 1 0 8 1 mcl8k 8192 146 0 146 28 27 1 1 0 8 1 mcl4k 4096 353 0 353 9 8 1 1 0 8 1 mcl2k2 2112 50 0 50 26 26 0 1 0 8 0 mcl2k 2048 68636 0 68594 24 18 6 11 0 8 0 mtagpl 80 12 0 12 6 6 0 1 0 8 0 mbufpl 256 158370 0 158264 29 20 9 18 0 8 0 bufpl 256 31485 0 25546 372 0 372 372 0 8 0 anonpl 16 842973 0 833076 279 237 42 58 0 62 1 amapchunkpl 152 41027 0 40942 110 105 5 14 0 158 0 amappl16 192 52619 0 52081 286 257 29 41 0 8 0 amappl15 184 243 0 242 1 0 1 1 0 8 0 amappl14 176 314 0 309 2 1 1 1 0 8 0 amappl13 168 7018 0 7018 1 1 0 1 0 8 0 amappl12 160 8 0 8 3 3 0 1 0 8 0 amappl11 152 2557 0 2540 1 0 1 1 0 8 0 amappl10 144 73 0 72 2 1 1 1 0 8 0 amappl9 136 606 0 603 1 0 1 1 0 8 0 amappl8 128 177 0 155 1 0 1 1 0 8 0 amappl7 120 50 0 44 1 0 1 1 0 8 0 amappl6 112 2532 0 2526 1 0 1 1 0 8 0 amappl5 104 239 0 229 1 0 1 1 0 8 0 amappl4 96 13714 0 13689 1 0 1 1 0 8 0 amappl3 88 490 0 479 1 0 1 1 0 8 0 amappl2 80 83102 0 83034 4 2 2 3 0 8 0 amappl1 72 177952 0 177539 27 18 9 19 0 8 0 amappl 80 22972 0 22939 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 64 145 0 16 3 0 3 3 0 8 0 uaddrrnd 24 10002 0 9988 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10002 0 9988 1 0 1 1 0 8 0 vmmpekpl 168 60713 0 60690 2 0 2 2 0 8 0 vmmpepl 168 1004150 0 1002634 282 210 72 88 0 357 0 vmsppl 264 10001 0 9988 4 3 1 2 0 8 0 pdppl 4096 20011 0 19976 7 2 5 6 0 8 0 pvpl 32 2449408 0 2436370 484 369 115 204 0 265 6 pmappl 200 10001 0 9988 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 660 0 153 15 0 15 15 0 8 0