uvm_fault(0xffffffff8224ac08, 0xffff8000041a7002, 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(0xffffffff8224ac08, 0xffff8000041a7002, 0, 1) -> e rtable_satoplen(21,ffff8000041a6f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a33880, count: 0 ddb> trace rtable_satoplen(21,ffff8000041a6f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff8000041a6f09,ffff8000041a6f59,ffff8000041a6f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff8000041a6f00,ffff800014a33970,ffff800014a33978,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd8036b69100,fffffd8036442d88,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8036442d88,9,fffffd8036b69100,0,0,ffff800014a17530) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8036442d88,0,ffff800014a33c38,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff800014a17530,3,ffff800014a33cf8,0,ffff800014a33dc0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014a17530,ffff800014a33dd8,ffff800014a33dc0) at sys_sendto+0x92 syscall(ffff800014a33e70) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,a60d1baf010) at Xsyscall+0x128 end of kernel end trace frame: 0xa633218d180, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a337e0 rbx 0xffffffffffffff5a rdx 0xffff8000041a6f5d rcx 0xffff8000041a7003 rax 0xffff8000041a7003 r8 0x21 r9 0x1 r10 0xffff80000433d1c0 r11 0x234162df341626ec r12 0 r13 0xffff8000041a7003 r14 0xffffffff821762b0 mplsdomain r15 0x4 rip 0xffffffff81259390 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a33790 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=111893 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800014a16270,0xffffffff8224b7e0 process=0xffff8000ffff7078 user=0xffff800014a2e000, vmspace=0xfffffd803f014528 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75204 75666 71010 0 2 0 syz-executor.1 *75204 111893 71010 0 7 0x4000000 syz-executor.1 89898 349544 81176 0 2 0 syz-executor.0 89898 405168 81176 0 2 0x4000000 syz-executor.0 89898 155109 81176 0 3 0x4000000 inode syz-executor.0 71010 260345 54500 0 3 0x82 nanosleep syz-executor.1 81176 308453 54500 0 3 0x82 nanosleep syz-executor.0 45673 342891 1 0 3 0x100083 ttyin getty 333 143675 0 0 3 0x14200 bored sosplice 54500 25228 68134 0 3 0x82 kqread syz-fuzzer 54500 199863 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 419642 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 359333 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 304145 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 180040 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 23327 68134 0 3 0x4000082 thrsleep syz-fuzzer 54500 118207 68134 0 3 0x4000082 thrsleep syz-fuzzer 68134 451234 64816 0 3 0x10008a pause ksh 64816 131909 64827 0 3 0x92 select sshd 64827 54981 1 0 3 0x80 select sshd 57004 69824 32654 73 2 0x100090 syslogd 32654 437349 1 0 3 0x100082 netio syslogd 48271 357285 1 77 3 0x100090 poll dhclient 94700 227474 1 0 3 0x80 poll dhclient 40590 301151 0 0 2 0x14200 zerothread 36954 516335 0 0 3 0x14200 aiodoned aiodoned 45246 4472 0 0 3 0x14200 syncer update 61772 91781 0 0 3 0x14200 cleaner cleaner 14371 43258 0 0 3 0x14200 reaper reaper 81962 231237 0 0 3 0x14200 pgdaemon pagedaemon 93125 129734 0 0 3 0x14200 bored crynlk 37518 504393 0 0 3 0x14200 bored crypto 13158 181135 0 0 3 0x40014200 acpi0 acpi0 2871 286168 0 0 3 0x14200 bored softnet 27629 253197 0 0 3 0x14200 bored systqmp 98780 242230 0 0 3 0x14200 bored systq 4569 288533 0 0 3 0x40014200 bored softclock 12384 254731 0 0 3 0x40014200 idle0 57017 82144 0 0 3 0x14200 bored smr 1 174324 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 9502 6354K 6362K 78643K 11134 0 0 pcb 24 9K 11K 78643K 884 0 0 rtable 104 4K 4K 78643K 960 0 0 ifaddr 56 14K 16K 78643K 294 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 47 0 0 iov 0 0K 16K 78643K 208 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 76K 78643K 2310 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 33 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 212 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 1567 0 0 sigio 0 0K 0K 78643K 34 0 0 proc 41 30K 54K 78643K 764 0 0 subproc 64 65538K 69634K 78643K 621 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 188 0 0 in_multi 33 2K 2K 78643K 272 0 0 ether_multi 1 0K 0K 78643K 14 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 380 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 86 20K 21K 78643K 4562 0 0 UVM aobj 110 6K 6K 78643K 132 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 47 0 0 NDP 11 0K 0K 78643K 100 0 0 temp 163 2359K 2428K 78643K 8056 0 0 kqueue 0 0K 0K 78643K 12 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 20 0 16 1 0 1 1 0 8 0 inpcbpl 280 856 0 849 2 0 2 2 0 8 1 plimitpl 152 72 0 65 1 0 1 1 0 8 0 rtentry 112 185 0 145 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 342 0 338 1 0 1 1 0 8 0 nd6 48 36 0 32 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 30 0 30 8 7 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 862 0 674 12 0 12 12 0 8 0 art_table 32 863 0 674 2 0 2 2 0 8 0 art_node 16 184 0 150 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 11 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 210 0 200 1 0 1 1 0 8 0 shmpl 112 130 0 22 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 4129 0 2642 48 0 48 48 0 8 0 ffsino 240 4129 0 2642 88 0 88 88 0 8 0 nchpl 144 6513 0 4831 63 0 63 63 0 8 0 uvmvnodes 72 4597 0 0 84 0 84 84 0 8 0 vnodes 200 4597 0 0 242 0 242 242 0 8 0 namei 1024 20463 0 20461 2 1 1 1 0 8 0 scsiplug 64 9 0 9 6 6 0 1 0 8 0 scxspl 192 18441 0 18441 18 17 1 6 0 8 1 sigapl 432 1688 0 1674 2 0 2 2 0 8 0 futexpl 56 25237 0 25237 1 0 1 1 0 8 1 knotepl 112 733 0 706 5 4 1 2 0 8 0 kqueuepl 104 487 0 485 1 0 1 1 0 8 0 pipepl 112 1216 0 1197 4 3 1 2 0 8 0 fdescpl 424 1689 0 1674 2 0 2 2 0 8 0 filepl 120 11025 0 10929 7 3 4 5 0 8 1 lockfpl 104 466 0 466 4 3 1 1 0 8 1 lockfspl 32 557 0 557 4 3 1 1 0 8 1 sessionpl 112 34 0 24 1 0 1 1 0 8 0 pgrppl 48 46 0 36 1 0 1 1 0 8 0 ucredpl 96 2900 0 2893 1 0 1 1 0 8 0 zombiepl 144 1674 0 1674 2 1 1 1 0 8 1 processpl 840 1704 0 1674 4 0 4 4 0 8 0 procpl 600 3633 0 3593 4 0 4 4 0 8 0 sosppl 128 29 0 29 7 6 1 1 0 8 1 sockpl 384 1627 0 1609 7 4 3 4 0 8 1 mcl64k 65536 1492 0 1492 114 95 19 32 0 8 19 mcl16k 16384 4 0 4 3 3 0 1 0 8 0 mcl12k 12288 37 0 37 7 6 1 1 0 8 1 mcl9k 9216 27 0 27 7 7 0 1 0 8 0 mcl8k 8192 26 0 26 10 9 1 1 0 8 1 mcl4k 4096 81 0 81 5 4 1 1 0 8 1 mcl2k2 2112 12 0 12 4 4 0 1 0 8 0 mcl2k 2048 48432 0 48398 12 7 5 9 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 89331 0 89255 72 64 8 21 0 8 0 bufpl 256 8771 0 4419 273 0 273 273 0 8 0 anonpl 16 178260 0 170162 83 37 46 52 0 62 7 amapchunkpl 152 7013 0 6929 10 5 5 6 0 158 1 amappl16 192 9177 0 8682 88 55 33 37 0 8 8 amappl15 184 217 0 215 1 0 1 1 0 8 0 amappl14 176 143 0 140 1 0 1 1 0 8 0 amappl13 168 156 0 153 1 0 1 1 0 8 0 amappl12 160 159 0 159 3 3 0 1 0 8 0 amappl11 152 535 0 526 1 0 1 1 0 8 0 amappl10 144 199 0 198 2 1 1 1 0 8 0 amappl9 136 791 0 786 1 0 1 1 0 8 0 amappl8 128 321 0 297 1 0 1 1 0 8 0 amappl7 120 605 0 598 1 0 1 1 0 8 0 amappl6 112 173 0 162 1 0 1 1 0 8 0 amappl5 104 255 0 244 1 0 1 1 0 8 0 amappl4 96 482 0 461 1 0 1 1 0 8 0 amappl3 88 406 0 398 1 0 1 1 0 8 0 amappl2 80 14919 0 14860 2 0 2 2 0 8 0 amappl1 72 40199 0 39776 26 17 9 19 0 8 0 amappl 72 3952 0 3918 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 64 131 0 22 2 0 2 2 0 8 0 uaddrrnd 24 1689 0 1674 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1689 0 1674 1 0 1 1 0 8 0 vmmpekpl 168 15742 0 15718 2 0 2 2 0 8 0 vmmpepl 168 181203 0 179704 129 50 79 82 0 357 10 vmsppl 264 1688 0 1674 5 4 1 2 0 8 0 pdppl 4096 3384 0 3348 6 1 5 6 0 8 0 pvpl 32 487298 0 476102 208 88 120 133 0 265 22 pmappl 192 1688 0 1674 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 604 0 186 13 0 13 13 0 8 0