uvm_fault(0xffffffff821f9b70, 0xffff80000397a002, 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(0xffffffff821f9b70, 0xffff80000397a002, 0, 1) -> e rtable_satoplen(21,ffff800003979f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149ce770, count: 0 ddb> trace rtable_satoplen(21,ffff800003979f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800003979f09,ffff800003979f59,ffff800003979f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800003979f00,ffff8000149ce860,ffff8000149ce868,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd8037ba0b00,fffffd803642dc08,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd803642dc08,9,fffffd8037ba0b00,0,0,ffff8000ffff2018) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd803642dc08,0,ffff8000149ceb28,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2018,3,ffff8000149cebe8,0,ffff8000149cecb0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2018,ffff8000149cecc8,ffff8000149cecb0) at sys_sendto+0x92 syscall(ffff8000149ced60) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,a751f502010) at Xsyscall+0x128 end of kernel end trace frame: 0xa77c6c00fa0, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149ce6d0 rbx 0xffffffffffffff5a rdx 0xffff800003979f5d rcx 0xffff80000397a003 rax 0xffff80000397a003 r8 0x21 r9 0x1 r10 0xffff80000173b080 r11 0x9e1b38c3d4769991 r12 0 r13 0xffff80000397a003 r14 0xffffffff821c01c0 mplsdomain r15 0x4 rip 0xffffffff8176f850 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149ce680 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=217046 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2bd0,0xffffffff822df660 process=0xffff8000ffff6358 user=0xffff8000149c9000, vmspace=0xfffffd803f014e70 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 92246 233434 27362 0 2 0 syz-executor.0 *92246 217046 27362 0 7 0x4000000 syz-executor.0 27362 224455 42470 0 3 0x82 nanosleep syz-executor.0 134 399638 42470 0 2 0x2 syz-executor.1 68711 457443 0 0 3 0x14200 bored sosplice 42470 220630 74387 0 3 0x82 thrsleep syz-fuzzer 42470 109707 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 517640 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 445711 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 99119 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 188012 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 22128 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 142132 74387 0 3 0x4000082 thrsleep syz-fuzzer 42470 290005 74387 0 3 0x4000082 kqread syz-fuzzer 74387 320913 64657 0 3 0x10008a pause ksh 64657 36588 20880 0 3 0x92 select sshd 28440 264690 1 0 3 0x100083 ttyin getty 20880 323957 1 0 3 0x80 select sshd 41785 95356 9978 73 2 0x100090 syslogd 9978 381753 1 0 3 0x100082 netio syslogd 78811 68308 1 77 3 0x100090 poll dhclient 73796 301805 1 0 3 0x80 poll dhclient 94628 17296 0 0 2 0x14200 zerothread 31004 190205 0 0 3 0x14200 aiodoned aiodoned 16411 471442 0 0 3 0x14200 syncer update 88846 429865 0 0 3 0x14200 cleaner cleaner 55465 491413 0 0 3 0x14200 reaper reaper 51667 455439 0 0 3 0x14200 pgdaemon pagedaemon 71205 457673 0 0 3 0x14200 bored crynlk 49147 193100 0 0 3 0x14200 bored crypto 60527 442727 0 0 3 0x40014200 acpi0 acpi0 53023 40771 0 0 3 0x14200 bored softnet 5869 335212 0 0 3 0x14200 bored systqmp 10204 386055 0 0 3 0x14200 bored systq 90556 396986 0 0 3 0x40014200 bored softclock 86418 486635 0 0 3 0x40014200 idle0 49785 391317 0 0 3 0x14200 bored smr 1 107334 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 9476 6331K 6344K 78643K 10687 0 0 pcb 24 9K 10K 78643K 229 0 0 rtable 101 3K 3K 78643K 303 0 0 ifaddr 49 12K 12K 78643K 96 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 25 0 0 iov 0 0K 12K 78643K 58 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1203 75K 76K 78643K 1391 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 6 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 34 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 5 13K 25K 78643K 303 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 41 30K 46K 78643K 325 0 0 subproc 64 65538K 69634K 78643K 143 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 46 0 0 in_multi 33 2K 2K 78643K 74 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 207 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 85 20K 29K 78643K 1496 0 0 UVM aobj 26 2K 2K 78643K 31 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 11 0 0 NDP 9 0K 0K 78643K 28 0 0 temp 129 2350K 2416K 78643K 3753 0 0 kqueue 0 0K 0K 78643K 3 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 6 0 2 1 0 1 1 0 8 0 inpcbpl 280 207 0 200 1 0 1 1 0 8 0 plimitpl 152 21 0 14 1 0 1 1 0 8 0 rtentry 112 59 0 19 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 82 0 78 1 0 1 1 0 8 0 nd6 48 8 0 4 1 0 1 1 0 8 0 ppxss 1128 6 0 6 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 267 0 82 12 0 12 12 0 8 0 art_table 32 268 0 82 2 0 2 2 0 8 0 art_node 16 58 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 29 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1937 0 526 46 0 46 46 0 8 0 ffsino 240 1937 0 526 85 1 84 84 0 8 0 nchpl 144 2566 0 938 61 0 61 61 0 8 0 uvmvnodes 72 2045 0 0 38 0 38 38 0 8 0 vnodes 200 2045 0 0 108 0 108 108 0 8 0 namei 1024 6777 0 6776 2 1 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 7199 0 7199 9 7 2 6 0 8 2 sigapl 432 465 0 452 2 0 2 2 0 8 0 futexpl 56 4863 0 4863 1 0 1 1 0 8 1 knotepl 112 174 0 147 2 1 1 2 0 8 0 kqueuepl 104 81 0 79 1 0 1 1 0 8 0 pipepl 112 338 0 319 2 1 1 1 0 8 0 fdescpl 424 466 0 452 2 0 2 2 0 8 0 filepl 120 2736 0 2641 4 0 4 4 0 8 1 lockfpl 104 107 0 107 2 1 1 1 0 8 1 lockfspl 32 162 0 162 2 1 1 1 0 8 1 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 465 0 458 1 0 1 1 0 8 0 zombiepl 144 452 0 452 2 1 1 1 0 8 1 processpl 840 481 0 452 4 0 4 4 0 8 0 procpl 600 869 0 831 4 0 4 4 0 8 0 sosppl 128 5 0 5 2 2 0 1 0 8 0 sockpl 384 392 0 374 3 0 3 3 0 8 1 mcl64k 65536 13 0 13 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 3 2 1 1 0 8 1 mcl8k 8192 4 0 4 1 1 0 1 0 8 0 mcl4k 4096 26 0 26 3 2 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 46925 0 46890 12 7 5 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 78111 0 78036 9 2 7 7 0 8 0 bufpl 256 5915 0 1618 269 0 269 269 0 8 0 anonpl 16 55755 0 47074 55 3 52 52 0 62 15 amapchunkpl 152 2071 0 1970 11 6 5 10 0 158 0 amappl16 192 2040 0 1593 36 5 31 35 0 8 8 amappl15 184 5 0 4 1 0 1 1 0 8 0 amappl14 176 108 0 100 1 0 1 1 0 8 0 amappl13 168 27 0 24 1 0 1 1 0 8 0 amappl12 160 24 0 23 2 1 1 1 0 8 0 amappl11 152 310 0 300 1 0 1 1 0 8 0 amappl10 144 57 0 54 1 0 1 1 0 8 0 amappl9 136 508 0 504 1 0 1 1 0 8 0 amappl8 128 139 0 122 1 0 1 1 0 8 0 amappl7 120 26 0 22 1 0 1 1 0 8 0 amappl6 112 112 0 104 1 0 1 1 0 8 0 amappl5 104 219 0 208 1 0 1 1 0 8 0 amappl4 96 272 0 249 2 1 1 2 0 8 0 amappl3 88 210 0 205 1 0 1 1 0 8 0 amappl2 80 3332 0 3281 2 0 2 2 0 8 0 amappl1 72 17284 0 16868 25 16 9 19 0 8 0 amappl 72 1099 0 1063 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 30 0 5 1 0 1 1 0 8 0 uaddrrnd 24 466 0 452 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 466 0 452 1 0 1 1 0 8 0 vmmpekpl 168 7353 0 7334 4 2 2 2 0 8 0 vmmpepl 168 56235 0 54851 103 27 76 76 0 357 10 vmsppl 264 465 0 452 2 1 1 2 0 8 0 pdppl 4096 938 0 904 6 1 5 6 0 8 0 pvpl 32 184980 0 173304 154 16 138 138 0 265 41 pmappl 192 465 0 452 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 408 0 18 12 0 12 12 0 8 0