uvm_fault(0xffffffff82245a88, 0xffff800004383002, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82245a88, 0xffff800004383002, 0, 1) -> e rtable_satoplen(21,ffff800004382f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149e3a10, count: 0 ddb> trace rtable_satoplen(21,ffff800004382f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800004382f09,ffff800004382f59,ffff800004382f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800004382f00,ffff8000149e3b00,ffff8000149e3b08,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8037991400,fffffd803700d780,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803700d780,9,fffffd8037991400,0,0,ffff8000ffff5780) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803700d780,0,ffff8000149e3dc8,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff5780,4,ffff8000149e3e88,0,ffff8000149e3f50) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff5780,ffff8000149e3f68,ffff8000149e3f50) at sys_sendto+0x92 syscall(ffff8000149e4000) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,cc01108f010) at Xsyscall+0x128 end of kernel end trace frame: 0xcc2131fe220, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149e3970 rbx 0xffffffffffffff5a rdx 0xffff800004382f5d rcx 0xffff800004383003 rax 0xffff800004383003 r8 0x21 r9 0x1 r10 0xffff80000193b2c0 r11 0xbc04e3dfcb6ee669 r12 0 r13 0xffff800004383003 r14 0xffffffff821bda50 mplsdomain r15 0x4 rip 0xffffffff8186a000 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149e3920 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=43754 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8710,0xffffffff822f0178 process=0xffff8000ffff73c0 user=0xffff8000149df000, vmspace=0xfffffd803f013318 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5929 334043 28119 0 2 0 syz-executor.1 * 5929 43754 28119 0 7 0x4000000 syz-executor.1 47356 410270 52179 0 2 0 syz-executor.0 47356 429667 52179 0 2 0x4000000 syz-executor.0 52179 57622 69408 0 2 0x482 syz-executor.0 28119 319822 69408 0 2 0x482 syz-executor.1 70895 500211 0 0 3 0x14200 bored sosplice 69408 483958 27908 0 3 0x82 thrsleep syz-fuzzer 69408 104986 27908 0 3 0x4000082 thrsleep syz-fuzzer 69408 73491 27908 0 3 0x4000082 kqread syz-fuzzer 69408 188760 27908 0 3 0x4000082 thrsleep syz-fuzzer 69408 367200 27908 0 3 0x4000082 thrsleep syz-fuzzer 69408 380622 27908 0 3 0x4000082 thrsleep syz-fuzzer 69408 226524 27908 0 3 0x4000082 thrsleep syz-fuzzer 27908 135544 71168 0 3 0x10008a pause ksh 71168 341142 24651 0 3 0x92 select sshd 27033 41574 1 0 3 0x100083 ttyin getty 24651 505771 1 0 3 0x80 select sshd 92677 29641 64569 73 2 0x100090 syslogd 64569 467324 1 0 3 0x100082 netio syslogd 32369 177978 1 77 3 0x100090 poll dhclient 90282 169596 1 0 3 0x80 poll dhclient 40559 432940 0 0 2 0x14200 zerothread 31777 437538 0 0 3 0x14200 aiodoned aiodoned 50622 237481 0 0 3 0x14200 syncer update 91637 16938 0 0 3 0x14200 cleaner cleaner 67920 253878 0 0 3 0x14200 reaper reaper 91485 250354 0 0 3 0x14200 pgdaemon pagedaemon 14614 92427 0 0 3 0x14200 bored crynlk 99893 346124 0 0 3 0x14200 bored crypto 20276 421810 0 0 3 0x40014200 acpi0 acpi0 37704 151653 0 0 3 0x14200 bored softnet 5887 479198 0 0 3 0x14200 bored systqmp 1910 215858 0 0 3 0x14200 bored systq 27692 347771 0 0 3 0x40014200 bored softclock 14810 236855 0 0 3 0x40014200 idle0 2934 464095 0 0 3 0x14200 bored smr 1 259958 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 9472 6333K 6348K 78643K 10703 0 0 pcb 25 9K 10K 78643K 211 0 0 rtable 101 3K 3K 78643K 318 0 0 ifaddr 46 11K 12K 78643K 94 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 23 0 0 iov 1 12K 16K 78643K 47 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1211 76K 76K 78643K 1467 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 4 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 56 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 387 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 41 30K 54K 78643K 358 0 0 subproc 64 65538K 69634K 78643K 184 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 35 0 0 in_multi 33 2K 2K 78643K 89 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 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 215 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 77 20K 22K 78643K 1706 0 0 UVM aobj 23 2K 2K 78643K 24 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 21 0 0 NDP 8 0K 0K 78643K 28 0 0 temp 108 2346K 2419K 78643K 3969 0 0 kqueue 0 0K 0K 78643K 2 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 7 0 3 1 0 1 1 0 8 0 inpcbpl 280 226 0 219 1 0 1 1 0 8 0 plimitpl 152 27 0 20 1 0 1 1 0 8 0 rtentry 112 68 0 28 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 80 0 76 1 0 1 1 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 ppxss 1128 7 0 7 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 310 0 122 12 0 12 12 0 8 0 art_table 32 311 0 122 2 0 2 2 0 8 0 art_node 16 67 0 33 1 0 1 1 0 8 0 semapl 112 52 0 42 1 0 1 1 0 8 0 shmpl 112 22 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2098 0 683 46 0 46 46 0 8 0 ffsino 240 2098 0 683 84 0 84 84 0 8 0 nchpl 144 2844 0 1225 61 0 61 61 0 8 0 uvmvnodes 72 2235 0 0 41 0 41 41 0 8 0 vnodes 200 2235 0 0 118 0 118 118 0 8 0 namei 1024 7712 0 7712 2 1 1 1 0 8 1 scxspl 192 11341 0 11341 10 8 2 6 0 8 2 sigapl 432 546 0 532 2 0 2 2 0 8 0 futexpl 56 5731 0 5731 1 0 1 1 0 8 1 knotepl 112 187 0 160 2 0 2 2 0 8 0 kqueuepl 104 114 0 112 1 0 1 1 0 8 0 pipepl 112 316 0 295 3 2 1 2 0 8 0 fdescpl 424 547 0 532 2 0 2 2 0 8 0 filepl 120 3112 0 3011 4 0 4 4 0 8 0 lockfpl 104 191 0 190 2 1 1 1 0 8 0 lockfspl 32 290 0 289 2 1 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 22 0 12 1 0 1 1 0 8 0 ucredpl 96 586 0 579 1 0 1 1 0 8 0 zombiepl 144 532 0 532 2 1 1 1 0 8 1 processpl 840 562 0 532 4 0 4 4 0 8 0 procpl 600 1062 0 1024 4 0 4 4 0 8 1 sosppl 128 14 0 14 3 2 1 1 0 8 1 sockpl 384 394 0 375 4 1 3 3 0 8 1 mcl64k 65536 8 0 8 2 2 0 1 0 8 0 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 5 0 5 2 2 0 1 0 8 0 mcl9k 9216 9 0 9 2 2 0 1 0 8 0 mcl8k 8192 3 0 3 1 1 0 1 0 8 0 mcl4k 4096 35 0 35 3 2 1 1 0 8 1 mcl2k 2048 46518 0 46482 14 8 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 78133 0 78056 12 4 8 9 0 8 1 bufpl 256 7532 0 2079 341 0 341 341 0 8 0 anonpl 16 70092 0 62864 63 10 53 53 0 62 17 amapchunkpl 152 2527 0 2445 15 1 14 14 0 158 10 amappl16 192 2914 0 2447 48 21 27 35 0 8 3 amappl15 184 41 0 39 1 0 1 1 0 8 0 amappl14 176 33 0 26 1 0 1 1 0 8 0 amappl13 168 31 0 27 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 207 0 198 1 0 1 1 0 8 0 amappl10 144 57 0 55 1 0 1 1 0 8 0 amappl9 136 508 0 505 1 0 1 1 0 8 0 amappl8 128 147 0 128 1 0 1 1 0 8 0 amappl7 120 174 0 167 1 0 1 1 0 8 0 amappl6 112 54 0 47 1 0 1 1 0 8 0 amappl5 104 187 0 174 1 0 1 1 0 8 0 amappl4 96 275 0 250 2 1 1 2 0 8 0 amappl3 88 299 0 294 1 0 1 1 0 8 0 amappl2 80 4114 0 4053 2 0 2 2 0 8 0 amappl1 72 18914 0 18479 26 17 9 19 0 8 0 amappl 72 1293 0 1260 1 0 1 1 0 75 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 23 0 1 1 0 1 1 0 8 0 uaddrrnd 24 547 0 532 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 547 0 532 1 0 1 1 0 8 0 vmmpekpl 168 7807 0 7789 2 0 2 2 0 8 0 vmmpepl 168 65486 0 64003 115 39 76 90 0 357 11 vmsppl 264 546 0 532 2 1 1 2 0 8 0 pdppl 4096 1100 0 1064 6 1 5 6 0 8 0 pvpl 32 239551 0 229198 251 12 239 239 0 265 143 pmappl 192 546 0 532 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 485 0 22 14 0 14 14 0 8 0