uvm_fault(0xffffffff821fee90, 0xffff800002d71002, 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(0xffffffff821fee90, 0xffff800002d71002, 0, 1) -> e rtable_satoplen(21,ffff800002d70f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a126d0, count: 0 ddb> trace rtable_satoplen(21,ffff800002d70f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800002d70f09,ffff800002d70f59,ffff800002d70f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800002d70f00,ffff800014a127c0,ffff800014a127c8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd80393ad300,fffffd8036423c08,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8036423c08,9,fffffd80393ad300,0,0,ffff8000ffff8bc0) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8036423c08,0,ffff800014a12a88,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8bc0,3,ffff800014a12b48,0,ffff800014a12c10) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8bc0,ffff800014a12c28,ffff800014a12c10) at sys_sendto+0x92 syscall(ffff800014a12cc0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,4fab7a71010) at Xsyscall+0x128 end of kernel end trace frame: 0x4fcf0d15210, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a12630 rbx 0xffffffffffffff5a rdx 0xffff800002d70f5d rcx 0xffff800002d71003 rax 0xffff800002d71003 r8 0x21 r9 0x1 r10 0xffff800000936ec0 r11 0x29ffc148949989e3 r12 0 r13 0xffff800002d71003 r14 0xffffffff821d6a78 mplsdomain r15 0x4 rip 0xffffffff81741610 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a125e0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=208525 stat=onproc flags process=0 proc=4000000 pri=56, usrpri=56, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff92c8,0xffffffff82290d98 process=0xffff8000ffff7708 user=0xffff800014a0d000, vmspace=0xfffffd803f014210 estcpu=13, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37283 81258 64759 0 2 0 syz-executor.1 *37283 208525 64759 0 7 0x4000000 syz-executor.1 186 275248 0 0 3 0x14200 bored sosplice 64759 521095 48858 0 3 0x82 nanosleep syz-executor.1 96911 519667 48858 0 2 0x2 syz-executor.0 48858 382544 33145 0 3 0x82 thrsleep syz-fuzzer 48858 494256 33145 0 3 0x4000082 nanosleep syz-fuzzer 48858 241799 33145 0 3 0x4000082 kqread syz-fuzzer 48858 301478 33145 0 3 0x4000082 thrsleep syz-fuzzer 48858 156543 33145 0 3 0x4000082 thrsleep syz-fuzzer 48858 445754 33145 0 3 0x4000082 thrsleep syz-fuzzer 48858 160917 33145 0 3 0x4000082 thrsleep syz-fuzzer 33145 31428 972 0 3 0x10008a pause ksh 972 310135 95300 0 3 0x92 select sshd 58146 493580 1 0 3 0x100083 ttyin getty 95300 321887 1 0 3 0x80 select sshd 45933 146487 77254 73 2 0x100090 syslogd 77254 440312 1 0 3 0x100082 netio syslogd 11434 271091 1 77 3 0x100090 poll dhclient 34275 475510 1 0 3 0x80 poll dhclient 10951 241852 0 0 2 0x14200 zerothread 12250 512612 0 0 3 0x14200 aiodoned aiodoned 30222 402839 0 0 3 0x14200 syncer update 68158 298221 0 0 3 0x14200 cleaner cleaner 33111 467806 0 0 3 0x14200 reaper reaper 21660 350692 0 0 3 0x14200 pgdaemon pagedaemon 36401 509238 0 0 3 0x14200 bored crynlk 54395 433970 0 0 3 0x14200 bored crypto 82887 375988 0 0 3 0x40014200 acpi0 acpi0 75215 487214 0 0 3 0x14200 bored softnet 97238 472164 0 0 3 0x14200 bored systqmp 60400 12382 0 0 3 0x14200 bored systq 45738 335279 0 0 3 0x40014200 bored softclock 49259 181700 0 0 3 0x40014200 idle0 10664 463861 0 0 3 0x14200 bored smr 1 310684 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 9452 6314K 6322K 78643K 10575 0 0 pcb 24 9K 10K 78643K 126 0 0 rtable 101 3K 3K 78643K 194 0 0 ifaddr 40 10K 10K 78643K 53 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 21 0 0 iov 0 0K 24K 78643K 24 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 75K 78643K 1253 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 11 1K 1K 78643K 17 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 123 0 0 proc 41 30K 54K 78643K 256 0 0 subproc 64 65538K 69634K 78643K 70 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 19 0 0 in_multi 33 2K 2K 78643K 42 0 0 ether_multi 1 0K 0K 78643K 2 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 173 0 0 pfkey data 0 0K 0K 78643K 2 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 74 20K 20K 78643K 1038 0 0 UVM aobj 8 2K 2K 78643K 8 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 12 0 0 NDP 6 0K 0K 78643K 13 0 0 temp 95 2346K 2410K 78643K 3167 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 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 98 0 91 1 0 1 1 0 8 0 plimitpl 152 16 0 9 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 40 0 36 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 11 0 2 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1613 0 205 46 0 46 46 0 8 0 ffsino 240 1613 0 205 84 0 84 84 0 8 0 nchpl 144 1996 0 375 61 0 61 61 0 8 0 uvmvnodes 72 1663 0 0 31 0 31 31 0 8 0 vnodes 200 1663 0 0 88 0 88 88 0 8 0 namei 1024 5048 0 5048 2 1 1 1 0 8 1 scxspl 192 5250 0 5250 9 6 3 6 0 8 3 sigapl 432 293 0 280 2 0 2 2 0 8 0 futexpl 56 2075 0 2075 1 0 1 1 0 8 1 knotepl 112 54 0 35 1 0 1 1 0 8 0 kqueuepl 104 18 0 16 1 0 1 1 0 8 0 pipepl 112 174 0 155 2 1 1 1 0 8 0 fdescpl 424 294 0 280 2 0 2 2 0 8 0 filepl 120 1661 0 1566 4 0 4 4 0 8 1 lockfpl 104 61 0 61 2 1 1 1 0 8 1 lockfspl 32 68 0 68 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 254 0 247 1 0 1 1 0 8 0 zombiepl 144 280 0 280 2 1 1 1 0 8 1 processpl 840 309 0 280 4 0 4 4 0 8 0 procpl 600 456 0 420 4 0 4 4 0 8 1 sosppl 128 2 0 2 1 0 1 1 0 8 1 sockpl 384 199 0 181 3 0 3 3 0 8 1 mcl64k 65536 3 0 3 2 1 1 1 0 8 1 mcl12k 12288 2 0 2 1 0 1 1 0 8 1 mcl9k 9216 5 0 5 1 0 1 1 0 8 1 mcl8k 8192 3 0 3 1 0 1 1 0 8 1 mcl4k 4096 18 0 17 1 0 1 1 0 8 0 mcl2k 2048 47497 0 47458 12 5 7 10 0 8 1 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 77915 0 77840 11 3 8 8 0 8 0 bufpl 256 5931 0 1400 284 0 284 284 0 8 0 anonpl 16 35518 0 26776 40 2 38 38 0 62 2 amapchunkpl 152 1110 0 1030 6 2 4 6 0 158 0 amappl16 192 1020 0 552 26 0 26 26 0 8 2 amappl15 184 157 0 152 1 0 1 1 0 8 0 amappl14 176 23 0 20 2 1 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 10 0 9 1 0 1 1 0 8 0 amappl11 152 17 0 5 1 0 1 1 0 8 0 amappl10 144 54 0 54 2 2 0 1 0 8 0 amappl9 136 516 0 513 1 0 1 1 0 8 0 amappl8 128 113 0 101 1 0 1 1 0 8 0 amappl7 120 28 0 24 1 0 1 1 0 8 0 amappl6 112 52 0 44 1 0 1 1 0 8 0 amappl5 104 163 0 153 1 0 1 1 0 8 0 amappl4 96 494 0 465 2 1 1 2 0 8 0 amappl3 88 122 0 117 1 0 1 1 0 8 0 amappl2 80 1690 0 1639 2 0 2 2 0 8 0 amappl1 72 14324 0 13908 26 16 10 19 0 8 1 amappl 72 669 0 637 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 294 0 280 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 294 0 280 1 0 1 1 0 8 0 vmmpekpl 168 6183 0 6165 2 0 2 2 0 8 0 vmmpepl 168 37663 0 36272 87 16 71 73 0 357 10 vmsppl 264 293 0 280 2 1 1 2 0 8 0 pdppl 4096 594 0 560 6 1 5 6 0 8 0 pvpl 32 131573 0 119795 112 8 104 104 0 265 7 pmappl 192 293 0 280 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 422 0 13 12 0 12 12 0 8 0