uvm_fault(0xffffffff822484c0, 0xffff800003b7c002, 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(0xffffffff822484c0, 0xffff800003b7c002, 0, 1) -> e rtable_satoplen(21,ffff800003b7bf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149fc660, count: 0 ddb> trace rtable_satoplen(21,ffff800003b7bf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800003b7bf09,ffff800003b7bf59,ffff800003b7bf11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800003b7bf00,ffff8000149fc750,ffff8000149fc758,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd803f030900,fffffd8037045180,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037045180,9,fffffd803f030900,0,0,ffff8000ffff2270) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037045180,0,ffff8000149fca18,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2270,4,ffff8000149fcad8,0,ffff8000149fcba0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2270,ffff8000149fcbb8,ffff8000149fcba0) at sys_sendto+0x92 syscall(ffff8000149fcc50) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,b5184c55010) at Xsyscall+0x128 end of kernel end trace frame: 0xb53c65d85e0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149fc5c0 rbx 0xffffffffffffff5a rdx 0xffff800003b7bf5d rcx 0xffff800003b7c003 rax 0xffff800003b7c003 r8 0x21 r9 0x1 r10 0xffff800000936900 r11 0x8ba6a4a85e250993 r12 0 r13 0xffff800003b7c003 r14 0xffffffff8218da30 mplsdomain r15 0x4 rip 0xffffffff817c2be0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149fc570 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=153929 stat=onproc flags process=0 proc=4000000 pri=67, usrpri=67, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2978,0xffffffff82259c50 process=0xffff8000ffff6010 user=0xffff8000149f7000, vmspace=0xfffffd803f014318 estcpu=17, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 92119 93167 79091 0 2 0 syz-executor.1 *92119 153929 79091 0 7 0x4000000 syz-executor.1 67478 69523 0 0 3 0x14200 bored sosplice 1925 69801 24268 0 2 0x2 syz-executor.0 79091 283532 24268 0 2 0x482 syz-executor.1 24268 34905 18490 0 3 0x82 thrsleep syz-fuzzer 24268 42895 18490 0 3 0x4000082 nanosleep syz-fuzzer 24268 173486 18490 0 3 0x4000082 thrsleep syz-fuzzer 24268 289301 18490 0 3 0x4000082 thrsleep syz-fuzzer 24268 392565 18490 0 3 0x4000082 thrsleep syz-fuzzer 24268 234193 18490 0 3 0x4000082 thrsleep syz-fuzzer 24268 67342 18490 0 3 0x4000082 thrsleep syz-fuzzer 24268 441276 18490 0 3 0x4000082 kqread syz-fuzzer 18490 60726 99306 0 3 0x10008a pause ksh 99306 379001 75666 0 3 0x92 select sshd 85881 314180 1 0 3 0x100083 ttyin getty 75666 508957 1 0 3 0x80 select sshd 36311 256087 60232 73 2 0x100090 syslogd 60232 303112 1 0 3 0x100082 netio syslogd 52803 497832 1 77 3 0x100090 poll dhclient 91561 327345 1 0 3 0x80 poll dhclient 47103 267129 0 0 2 0x14200 zerothread 69029 321746 0 0 3 0x14200 aiodoned aiodoned 13214 274445 0 0 3 0x14200 syncer update 43612 232348 0 0 3 0x14200 cleaner cleaner 45073 420502 0 0 3 0x14200 reaper reaper 54562 240494 0 0 3 0x14200 pgdaemon pagedaemon 40458 113856 0 0 3 0x14200 bored crynlk 69676 208353 0 0 3 0x14200 bored crypto 21173 510958 0 0 3 0x40014200 acpi0 acpi0 13349 1541 0 0 3 0x14200 bored softnet 19200 208706 0 0 3 0x14200 bored systqmp 92013 411569 0 0 3 0x14200 bored systq 41334 360314 0 0 3 0x40014200 bored softclock 39312 172382 0 0 3 0x40014200 idle0 89505 36598 0 0 3 0x14200 bored smr 1 253584 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 9478 6331K 6339K 78643K 10625 0 0 pcb 25 9K 10K 78643K 193 0 0 rtable 101 3K 3K 78643K 204 0 0 ifaddr 48 11K 11K 78643K 61 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 21 0 0 iov 0 0K 24K 78643K 44 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1197 75K 76K 78643K 1380 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 7 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 55 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 273 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 42 30K 46K 78643K 309 0 0 subproc 64 65538K 69634K 78643K 68 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 28 0 0 in_multi 33 2K 2K 78643K 45 0 0 ether_multi 1 0K 0K 78643K 3 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 194 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 75 20K 21K 78643K 1401 0 0 UVM aobj 20 2K 2K 78643K 20 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 8 0 0 NDP 9 0K 0K 78643K 16 0 0 temp 121 2348K 2417K 78643K 3486 0 0 kqueue 0 0K 0K 78643K 9 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 280 177 0 170 1 0 1 1 0 8 0 plimitpl 152 18 0 11 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 tcpqe 32 39 0 39 1 1 0 1 0 8 0 tcpcb 544 56 0 52 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 2 0 1 0 8 0 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 8 0 2 1 0 1 1 0 8 0 semapl 112 53 0 43 1 0 1 1 0 8 0 shmpl 112 18 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1942 0 535 46 0 46 46 0 8 0 ffsino 240 1942 0 535 84 0 84 84 0 8 0 nchpl 144 2531 0 912 61 0 61 61 0 8 0 uvmvnodes 72 2002 0 0 37 0 37 37 0 8 0 vnodes 200 2002 0 0 106 0 106 106 0 8 0 namei 1024 6862 0 6861 2 1 1 1 0 8 0 scsiplug 64 3 0 3 1 1 0 1 0 8 0 scxspl 192 7122 0 7122 9 8 1 7 0 8 1 sigapl 432 441 0 428 2 0 2 2 0 8 0 futexpl 56 4732 0 4732 1 0 1 1 0 8 1 knotepl 112 165 0 138 2 1 1 2 0 8 0 kqueuepl 104 101 0 99 1 0 1 1 0 8 0 pipepl 112 286 0 267 3 2 1 2 0 8 0 fdescpl 424 442 0 428 2 0 2 2 0 8 0 filepl 120 2813 0 2717 5 1 4 5 0 8 1 lockfpl 104 119 0 119 2 1 1 1 0 8 1 lockfspl 32 217 0 217 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 96 754 0 747 1 0 1 1 0 8 0 zombiepl 144 428 0 428 2 1 1 1 0 8 1 processpl 840 457 0 428 4 0 4 4 0 8 0 procpl 600 820 0 783 4 0 4 4 0 8 0 sosppl 128 7 0 7 1 0 1 1 0 8 1 sockpl 384 326 0 307 3 0 3 3 0 8 1 mcl64k 65536 8 0 8 2 1 1 1 0 8 1 mcl12k 12288 5 0 5 1 0 1 1 0 8 1 mcl9k 9216 5 0 5 1 1 0 1 0 8 0 mcl8k 8192 2 0 2 2 1 1 1 0 8 1 mcl4k 4096 24 0 24 2 1 1 1 0 8 1 mcl2k2 2112 3 0 3 1 0 1 1 0 8 1 mcl2k 2048 46279 0 46243 13 7 6 11 0 8 1 mtagpl 80 4 0 4 2 2 0 1 0 8 0 mbufpl 256 76784 0 76709 8 1 7 7 0 8 0 bufpl 256 5964 0 1674 269 0 269 269 0 8 0 anonpl 16 56101 0 47242 57 4 53 53 0 62 16 amapchunkpl 152 1869 0 1780 10 1 9 9 0 158 4 amappl16 192 2275 0 1806 43 7 36 36 0 8 12 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 27 0 23 1 0 1 1 0 8 0 amappl13 168 24 0 21 1 0 1 1 0 8 0 amappl12 160 8 0 6 2 1 1 1 0 8 0 amappl11 152 303 0 292 1 0 1 1 0 8 0 amappl10 144 57 0 55 2 1 1 1 0 8 0 amappl9 136 597 0 592 1 0 1 1 0 8 0 amappl8 128 120 0 103 1 0 1 1 0 8 0 amappl7 120 21 0 19 1 0 1 1 0 8 0 amappl6 112 51 0 45 1 0 1 1 0 8 0 amappl5 104 149 0 138 1 0 1 1 0 8 0 amappl4 96 263 0 240 1 0 1 1 0 8 0 amappl3 88 271 0 263 1 0 1 1 0 8 0 amappl2 80 3181 0 3130 2 0 2 2 0 8 0 amappl1 72 16842 0 16427 24 14 10 19 0 8 0 amappl 72 1028 0 995 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 19 0 0 1 0 1 1 0 8 0 uaddrrnd 24 442 0 428 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 442 0 428 1 0 1 1 0 8 0 vmmpekpl 168 7003 0 6984 2 0 2 2 0 8 0 vmmpepl 168 53325 0 51934 94 20 74 75 0 357 13 vmsppl 264 441 0 428 2 1 1 2 0 8 0 pdppl 4096 890 0 856 6 1 5 6 0 8 0 pvpl 32 183435 0 171578 146 13 133 133 0 265 36 pmappl 192 441 0 428 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 407 0 15 12 0 12 12 0 8 0