login: )Guvm_fault(0xfffffd807f00c8a0, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f00c8a0, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff800021c3cfc0, count: 0 ddb{1}> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009e9600,ffff800021c3d080,ffff800021c3cfd0,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd8063d40500,fffffd806f6fda80,0,0) at route_output+0x7d2 sys/net/rtsock.c:814 route_usrreq(fffffd806f6fda80,9,fffffd8063d40500,0,0,ffff800020b38768) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd806f6fda80,0,ffff800021c3d270,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b38768,3,ffff800021c3d350,0,ffff800021c3d450) at sendit+0x52f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b38768,ffff800021c3d3e8,ffff800021c3d450) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800021c3d4c0) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] syscall(ffff800021c3d4c0) at syscall+0x552 sys/arch/amd64/amd64/trap.c:554 Xsyscall(6,0,ffffffffffffffd8,0,6,c10a03f9010) at Xsyscall+0x128 end of kernel end trace frame: 0xc130051fd60, count: -9 ddb{1}> show registers rdi 0xffffffff8118c547 arp_rtrequest+0x157 rsi 0x361 rbp 0xffff800021c3cf20 rbx 0xffff8000000250d0 rdx 0x362 rcx 0xdeafbeaddeafbead rax 0xffff8000000250d8 r8 0xffffffff8118c50f arp_rtrequest+0x11f r9 0x5 r10 0x11 r11 0x66284db820b6cd2e r12 0xffff8000001732a8 r13 0x2 r14 0xfffffd806848d388 r15 0x100000000 rip 0xffffffff8118c54f arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021c3cea0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb{1}> show proc PROC (syz-executor.0) pid=467273 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020b38eb8,0xffffffff8237c718 process=0xffff800020b8d3c8 user=0xffff800021c38000, vmspace=0xfffffd807f00c8a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 36533 279742 23885 0 2 0 syz-executor.0 *36533 467273 23885 0 7 0x4000000 syz-executor.0 55715 152403 1 0 3 0x100083 ttyin getty 54449 455079 0 0 3 0x14200 bored sosplice 62028 512842 12143 0 3 0x82 nanosleep syz-executor.1 23885 200518 12143 0 3 0x82 nanosleep syz-executor.0 12143 454638 46219 0 3 0x82 thrsleep syz-fuzzer 12143 505036 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 165708 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 136766 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 395747 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 16251 46219 0 3 0x4000082 kqread syz-fuzzer 12143 181483 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 196756 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 523951 46219 0 3 0x4000082 thrsleep syz-fuzzer 12143 364715 46219 0 3 0x4000082 thrsleep syz-fuzzer 46219 296140 91585 0 3 0x10008a pause ksh 91585 427011 63138 0 3 0x92 select sshd 63138 263229 1 0 3 0x80 select sshd 53662 134362 91350 74 3 0x100092 bpf pflogd 91350 7930 1 0 3 0x80 netio pflogd 39741 327749 85895 73 2 0x100090 syslogd 85895 92432 1 0 3 0x100082 netio syslogd 40299 446104 1 77 3 0x100090 poll dhclient 62507 306339 1 0 3 0x80 poll dhclient 91108 43032 0 0 2 0x14200 zerothread 21058 468487 0 0 3 0x14200 aiodoned aiodoned 73176 228247 0 0 3 0x14200 syncer update 29678 141939 0 0 3 0x14200 cleaner cleaner 11287 131760 0 0 7 0x14200 reaper 19702 172429 0 0 3 0x14200 pgdaemon pagedaemon 33718 243631 0 0 3 0x14200 bored crynlk 41833 174113 0 0 3 0x14200 bored crypto 66962 229973 0 0 3 0x40014200 acpi0 acpi0 6434 383485 0 0 3 0x40014200 idle1 58203 167698 0 0 3 0x14200 bored softnet 42690 208004 0 0 3 0x14200 bored systqmp 68259 79587 0 0 3 0x14200 bored systq 95636 85984 0 0 3 0x40014200 bored softclock 40481 216930 0 0 3 0x40014200 idle0 7146 75485 0 0 3 0x14200 bored smr 1 156886 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 36533 (syz-executor.0) thread 0xffff800020b38768 (467273) exclusive rwlock netlock r = 0 (0xffffffff821abb18) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 rtm_output+0xb86 sys/net/rtsock.c:1031 #2 route_output+0x7d2 sys/net/rtsock.c:814 #3 route_usrreq+0x363 sys/net/rtsock.c:271 #4 sosend+0x668 sys/kern/uipc_socket.c:513 #5 sendit+0x52f sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #7 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8234cce8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1161 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x52c sys/kern/uipc_socket.c:501 #3 sendit+0x52f sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:90 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9554 6570K 14752K 78643K 16909 0 0 pcb 26 9K 11K 78643K 1357 0 0 rtable 126 5K 5K 78643K 633 0 0 ifaddr 66 15K 16K 78643K 267 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1561 0 0 iov 0 0K 20K 78643K 327 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 77K 78643K 3723 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 31 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 1K 1K 78643K 234 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 25K 78643K 2819 0 0 sigio 2 0K 0K 78643K 42 0 0 proc 54 51K 83K 78643K 779 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 248 0 0 in_multi 33 2K 2K 78643K 124 0 0 ether_multi 1 0K 0K 78643K 12 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 84 371K 371K 78643K 84 0 0 exec 0 0K 1K 78643K 404 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 95 21K 31K 78643K 10049 0 0 UVM aobj 130 5K 6K 78643K 134 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 160 0 0 NDP 14 0K 0K 78643K 68 0 0 temp 189 2736K 3375K 78643K 11679 0 0 kqueue 0 0K 0K 78643K 23 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> 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 1150 0 1143 2 1 1 2 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 63 0 14 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 414 0 410 1 0 1 1 0 8 0 rttmr 72 3 0 3 3 3 0 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 46 0 46 7 6 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 35 0 24 1 0 1 1 0 8 0 pfstkey 112 35 0 24 1 0 1 1 0 8 0 pfstate 328 35 0 24 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 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 52 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 2 1 0 1 1 0 8 0 semapl 112 228 0 218 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6073 0 4599 49 1 48 48 0 8 0 ffsino 272 6073 0 4599 99 0 99 99 0 8 0 nchpl 144 10186 0 8545 62 0 62 62 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 32179 0 32179 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 29361 0 29361 22 21 1 6 0 8 1 plimitpl 152 83 0 75 1 0 1 1 0 8 0 sigapl 432 3021 0 3006 3 1 2 3 0 8 0 futexpl 56 33700 0 33700 1 0 1 1 0 8 1 knotepl 112 511 0 492 1 0 1 1 0 8 0 kqueuepl 104 615 0 613 1 0 1 1 0 8 0 pipepl 112 1768 0 1749 5 4 1 2 0 8 0 fdescpl 488 3022 0 3006 3 0 3 3 0 8 0 filepl 152 17908 0 17808 10 5 5 7 0 8 0 lockfpl 104 995 0 995 2 1 1 1 0 8 1 lockfspl 48 347 0 347 2 1 1 1 0 8 1 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 36 0 25 1 0 1 1 0 8 0 ucredpl 96 4067 0 4058 1 0 1 1 0 8 0 zombiepl 144 3006 0 3005 2 1 1 1 0 8 0 processpl 840 3038 0 3005 4 0 4 4 0 8 0 procpl 624 9174 0 9131 4 0 4 4 0 8 0 srpgc 64 3 0 3 3 3 0 1 0 8 0 sosppl 128 38 0 38 9 8 1 1 0 8 1 sockpl 384 2339 0 2319 6 3 3 4 0 8 1 mcl64k 65536 771 0 0 97 5 92 97 0 8 1 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 111 0 0 13 0 13 13 0 8 0 mtagpl 80 2 0 0 1 0 1 1 0 8 0 mbufpl 256 929 0 0 53 0 53 53 0 8 0 bufpl 256 11422 0 4414 439 0 439 439 0 8 0 anonpl 16 252143 0 241659 96 52 44 59 0 125 0 amapchunkpl 152 17097 0 16974 31 25 6 13 0 158 0 amappl16 192 15540 0 14983 70 41 29 40 0 8 1 amappl15 184 8 0 7 1 0 1 1 0 8 0 amappl14 176 36 0 34 2 1 1 1 0 8 0 amappl12 160 12 0 10 1 0 1 1 0 8 0 amappl11 152 58 0 40 1 0 1 1 0 8 0 amappl10 144 1494 0 1489 1 0 1 1 0 8 0 amappl9 136 595 0 592 1 0 1 1 0 8 0 amappl8 128 150 0 132 1 0 1 1 0 8 0 amappl7 120 1456 0 1450 1 0 1 1 0 8 0 amappl6 112 61 0 52 1 0 1 1 0 8 0 amappl5 104 135 0 119 1 0 1 1 0 8 0 amappl4 96 3223 0 3193 1 0 1 1 0 8 0 amappl3 88 276 0 266 1 0 1 1 0 8 0 amappl2 80 23260 0 23179 4 2 2 3 0 8 0 amappl1 72 74108 0 73650 24 14 10 19 0 8 0 amappl 80 9438 0 9396 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 64 133 0 4 3 0 3 3 0 8 0 uaddrrnd 24 3022 0 3006 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3022 0 3006 1 0 1 1 0 8 0 vmmpekpl 168 27238 0 27206 2 0 2 2 0 8 0 vmmpepl 168 315979 0 314306 131 55 76 86 0 357 1 vmsppl 368 3021 0 3005 2 0 2 2 0 8 0 pdppl 4096 6051 0 6010 6 0 6 6 0 8 0 pvpl 32 733537 0 719915 201 82 119 149 0 265 5 pmappl 232 3021 0 3005 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 742 0 9 22 0 22 22 0 8 0