uvm_fault(0xffffffff821f9698, 0xffff80000298e002, 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(0xffffffff821f9698, 0xffff80000298e002, 0, 1) -> e rtable_satoplen(21,ffff80000298df59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a1d5c0, count: 0 ddb> trace rtable_satoplen(21,ffff80000298df59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff80000298df09,ffff80000298df59,ffff80000298df11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff80000298df00,ffff800014a1d6b0,ffff800014a1d6b8,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd8035585700,fffffd8037009600,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037009600,9,fffffd8035585700,0,0,ffff8000ffff4bc8) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037009600,0,ffff800014a1d978,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff4bc8,3,ffff800014a1da38,0,ffff800014a1db00) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff4bc8,ffff800014a1db18,ffff800014a1db00) at sys_sendto+0x92 syscall(ffff800014a1dbb0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,48eb9f28010) at Xsyscall+0x128 end of kernel end trace frame: 0x491373d5ac0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a1d520 rbx 0xffffffffffffff5a rdx 0xffff80000298df5d rcx 0xffff80000298e003 rax 0xffff80000298e003 r8 0x21 r9 0x1 r10 0xffff80000193bc40 r11 0x290b6f33bc0afd34 r12 0 r13 0xffff80000298e003 r14 0xffffffff821844e0 mplsdomain r15 0x4 rip 0xffffffff812ab820 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a1d4d0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=78668 stat=onproc flags process=0 proc=4000000 pri=72, usrpri=72, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8bc0,0xffffffff82266898 process=0xffff8000ffff66a0 user=0xffff800014a18000, vmspace=0xfffffd803f013420 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 44880 469346 96660 0 2 0 syz-executor.1 *44880 78668 96660 0 7 0x4000000 syz-executor.1 9156 458512 99535 0 2 0 syz-executor.0 9156 344721 99535 0 2 0x4000000 syz-executor.0 31741 83244 0 0 3 0x14200 bored sosplice 99535 309718 82218 0 3 0x82 nanosleep syz-executor.0 96660 268138 82218 0 3 0x82 nanosleep syz-executor.1 82218 190174 36328 0 3 0x82 thrsleep syz-fuzzer 82218 473107 36328 0 3 0x4000082 nanosleep syz-fuzzer 82218 389296 36328 0 3 0x4000082 thrsleep syz-fuzzer 82218 244777 36328 0 3 0x4000082 thrsleep syz-fuzzer 82218 15747 36328 0 3 0x4000082 thrsleep syz-fuzzer 82218 334045 36328 0 3 0x4000082 kqread syz-fuzzer 82218 352624 36328 0 3 0x4000082 thrsleep syz-fuzzer 36328 417690 22753 0 3 0x10008a pause ksh 22753 455911 27858 0 3 0x92 select sshd 91275 353826 1 0 3 0x100083 ttyin getty 27858 30592 1 0 3 0x80 select sshd 84081 487148 48719 73 2 0x100090 syslogd 48719 416350 1 0 3 0x100082 netio syslogd 64841 444847 1 77 3 0x100090 poll dhclient 53765 204264 1 0 3 0x80 poll dhclient 98189 13102 0 0 2 0x14200 zerothread 87295 228862 0 0 3 0x14200 aiodoned aiodoned 13423 88731 0 0 3 0x14200 syncer update 93225 253170 0 0 3 0x14200 cleaner cleaner 83231 102667 0 0 3 0x14200 reaper reaper 5241 159824 0 0 3 0x14200 pgdaemon pagedaemon 45505 452208 0 0 3 0x14200 bored crynlk 54404 76757 0 0 3 0x14200 bored crypto 65818 132051 0 0 3 0x40014200 acpi0 acpi0 89708 390601 0 0 3 0x14200 bored softnet 13863 160574 0 0 3 0x14200 bored systqmp 10154 113389 0 0 3 0x14200 bored systq 20066 292554 0 0 3 0x40014200 bored softclock 82350 188543 0 0 3 0x40014200 idle0 61813 368615 0 0 3 0x14200 bored smr 1 444399 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 9481 6329K 6337K 78643K 10716 0 0 pcb 24 9K 11K 78643K 232 0 0 rtable 101 3K 3K 78643K 293 0 0 ifaddr 50 12K 12K 78643K 106 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 18 0 0 iov 0 0K 16K 78643K 38 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 76K 78643K 1453 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 0K 0K 78643K 40 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 346 0 0 sigio 0 0K 0K 78643K 13 0 0 proc 41 30K 54K 78643K 306 0 0 subproc 64 65538K 67586K 78643K 102 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 44 0 0 in_multi 33 2K 2K 78643K 60 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 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 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 199 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 1540 0 0 UVM aobj 32 3K 3K 78643K 34 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 9 0K 0K 78643K 28 0 0 temp 131 2356K 2418K 78643K 3850 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 5 0 1 1 0 1 1 0 8 0 inpcbpl 280 194 0 187 1 0 1 1 0 8 0 plimitpl 152 26 0 19 1 0 1 1 0 8 0 rtentry 112 50 0 10 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 6 0 2 1 0 1 1 0 8 0 ppxss 1128 12 0 12 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 226 0 41 12 0 12 12 0 8 0 art_table 32 227 0 41 2 0 2 2 0 8 0 art_node 16 49 0 15 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 38 0 28 1 0 1 1 0 8 0 shmpl 112 32 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2069 0 661 46 0 46 46 0 8 0 ffsino 240 2069 0 661 84 0 84 84 0 8 0 nchpl 144 2755 0 1130 61 0 61 61 0 8 0 uvmvnodes 72 2176 0 0 40 0 40 40 0 8 0 vnodes 200 2176 0 0 115 0 115 115 0 8 0 namei 1024 7626 0 7626 2 1 1 1 0 8 1 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 7668 0 7668 8 7 1 6 0 8 1 sigapl 432 511 0 497 2 0 2 2 0 8 0 futexpl 56 5709 0 5709 1 0 1 1 0 8 1 knotepl 112 174 0 146 2 1 1 2 0 8 0 kqueuepl 104 119 0 116 1 0 1 1 0 8 0 pipepl 112 366 0 347 3 2 1 2 0 8 0 fdescpl 424 512 0 497 2 0 2 2 0 8 0 filepl 120 3283 0 3184 5 1 4 5 0 8 1 lockfpl 104 111 0 111 2 1 1 1 0 8 1 lockfspl 32 202 0 202 2 1 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 27 0 17 1 0 1 1 0 8 0 ucredpl 96 862 0 855 1 0 1 1 0 8 0 zombiepl 144 497 0 497 2 1 1 1 0 8 1 processpl 840 527 0 497 4 0 4 4 0 8 0 procpl 600 960 0 922 4 0 4 4 0 8 1 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 384 383 0 365 4 1 3 4 0 8 1 mcl64k 65536 11 0 11 3 2 1 1 0 8 1 mcl16k 16384 4 0 4 2 1 1 1 0 8 1 mcl12k 12288 9 0 9 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 3 2 1 1 0 8 1 mcl8k 8192 4 0 4 3 2 1 1 0 8 1 mcl4k 4096 19 0 19 2 1 1 1 0 8 1 mcl2k2 2112 4 0 4 3 3 0 1 0 8 0 mcl2k 2048 47161 0 47126 12 7 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 78604 0 78541 10 4 6 7 0 8 0 bufpl 256 6030 0 1733 269 0 269 269 0 8 0 anonpl 16 55369 0 46015 54 16 38 51 0 62 0 amapchunkpl 152 1903 0 1821 5 1 4 5 0 158 0 amappl16 192 2020 0 1513 37 11 26 35 0 8 0 amappl15 184 144 0 140 1 0 1 1 0 8 0 amappl14 176 185 0 176 1 0 1 1 0 8 0 amappl13 168 25 0 22 1 0 1 1 0 8 0 amappl12 160 162 0 160 2 1 1 1 0 8 0 amappl11 152 322 0 312 1 0 1 1 0 8 0 amappl10 144 57 0 57 2 2 0 1 0 8 0 amappl9 136 444 0 438 1 0 1 1 0 8 0 amappl8 128 275 0 259 1 0 1 1 0 8 0 amappl7 120 27 0 21 1 0 1 1 0 8 0 amappl6 112 49 0 43 1 0 1 1 0 8 0 amappl5 104 284 0 273 1 0 1 1 0 8 0 amappl4 96 272 0 250 2 1 1 2 0 8 0 amappl3 88 164 0 159 1 0 1 1 0 8 0 amappl2 80 3828 0 3768 2 0 2 2 0 8 0 amappl1 72 18251 0 17822 25 15 10 19 0 8 0 amappl 72 1166 0 1133 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 33 0 2 1 0 1 1 0 8 0 uaddrrnd 24 512 0 497 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 512 0 497 1 0 1 1 0 8 0 vmmpekpl 168 7648 0 7628 2 0 2 2 0 8 0 vmmpepl 168 60248 0 58732 90 24 66 77 0 357 0 vmsppl 264 511 0 497 2 1 1 2 0 8 0 pdppl 4096 1030 0 994 6 1 5 6 0 8 0 pvpl 32 191584 0 179169 139 25 114 135 0 265 13 pmappl 192 511 0 497 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 412 0 21 12 0 12 12 0 8 0