uvm_fault(0xffffffff821f49f0, 0xffff80000197a002, 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(0xffffffff821f49f0, 0xffff80000197a002, 0, 1) -> e rtable_satoplen(21,ffff800001979f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800014a25ab0, count: 0 ddb> trace rtable_satoplen(21,ffff800001979f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800001979f09,ffff800001979f59,ffff800001979f11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff800001979f00,ffff800014a25ba0,ffff800014a25ba8,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd80347e7300,fffffd8036ffb780,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8036ffb780,9,fffffd80347e7300,0,0,ffff8000ffff8710) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8036ffb780,0,ffff800014a25e68,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff8710,3,ffff800014a25f28,0,ffff800014a25ff0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff8710,ffff800014a26008,ffff800014a25ff0) at sys_sendto+0x92 syscall(ffff800014a260a0) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,5bbed860010) at Xsyscall+0x128 end of kernel end trace frame: 0x5be41d9f210, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff800014a25a10 rbx 0xffffffffffffff5a rdx 0xffff800001979f5d rcx 0xffff80000197a003 rax 0xffff80000197a003 r8 0x21 r9 0x1 r10 0xffff80000173ac40 r11 0x10bb5e3223246ec4 r12 0 r13 0xffff80000197a003 r14 0xffffffff8218f7b8 mplsdomain r15 0x4 rip 0xffffffff811b1900 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800014a259c0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=457820 stat=onproc flags process=0 proc=4000000 pri=77, usrpri=77, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8008,0xffffffff82264330 process=0xffff8000ffff6358 user=0xffff800014a21000, vmspace=0xfffffd803f014210 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 86938 132009 99617 0 2 0 syz-executor.1 *86938 457820 99617 0 7 0x4000000 syz-executor.1 99914 372379 17055 0 3 0x80 nanosleep syz-executor.0 99914 241959 17055 0 3 0x4000080 bell syz-executor.0 63276 75688 0 0 3 0x14200 bored sosplice 99617 321795 9913 0 3 0x82 nanosleep syz-executor.1 17055 50580 9913 0 3 0x82 nanosleep syz-executor.0 9913 165975 95161 0 3 0x82 thrsleep syz-fuzzer 9913 412649 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 107128 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 472581 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 17986 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 413566 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 175111 95161 0 3 0x4000082 thrsleep syz-fuzzer 9913 55860 95161 0 3 0x4000082 kqread syz-fuzzer 95161 172014 57101 0 3 0x10008a pause ksh 57101 161483 32222 0 3 0x92 select sshd 66105 77309 1 0 3 0x100083 ttyin getty 32222 352350 1 0 3 0x80 select sshd 11900 522417 97916 73 2 0x100090 syslogd 97916 192233 1 0 3 0x100082 netio syslogd 94214 499662 1 77 3 0x100090 poll dhclient 81002 274933 1 0 3 0x80 poll dhclient 37951 491860 0 0 2 0x14200 zerothread 17585 377396 0 0 3 0x14200 aiodoned aiodoned 55845 403093 0 0 3 0x14200 syncer update 24782 56756 0 0 3 0x14200 cleaner cleaner 98893 346026 0 0 3 0x14200 reaper reaper 43203 386996 0 0 3 0x14200 pgdaemon pagedaemon 33315 129861 0 0 3 0x14200 bored crynlk 69284 214810 0 0 3 0x14200 bored crypto 88394 244588 0 0 3 0x40014200 acpi0 acpi0 4501 290021 0 0 3 0x14200 bored softnet 43979 341401 0 0 3 0x14200 bored systqmp 41000 287120 0 0 3 0x14200 bored systq 64969 479947 0 0 3 0x40014200 bored softclock 5512 83346 0 0 3 0x40014200 idle0 47601 243978 0 0 3 0x14200 bored smr 1 156154 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 9487 6327K 6335K 78643K 10698 0 0 pcb 24 9K 10K 78643K 219 0 0 rtable 101 3K 3K 78643K 260 0 0 ifaddr 52 12K 13K 78643K 101 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 15 0 0 iov 0 0K 16K 78643K 48 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1205 75K 76K 78643K 1351 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 5 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 38 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 268 0 0 sigio 0 0K 0K 78643K 6 0 0 proc 41 30K 54K 78643K 276 0 0 subproc 64 65538K 67586K 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 26 0 0 in_multi 33 2K 2K 78643K 36 0 0 ether_multi 1 0K 0K 78643K 1 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 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 81 20K 25K 78643K 1391 0 0 UVM aobj 33 2K 2K 78643K 33 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 10 0K 0K 78643K 26 0 0 temp 139 2347K 2414K 78643K 3580 0 0 kqueue 0 0K 0K 78643K 5 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 280 166 0 158 1 0 1 1 0 8 0 plimitpl 152 27 0 20 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 84 0 80 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 11 0 11 2 1 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 8 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 31 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1896 0 494 46 0 46 46 0 8 0 ffsino 240 1896 0 494 83 0 83 83 0 8 0 nchpl 144 2496 0 872 61 0 61 61 0 8 0 uvmvnodes 72 1967 0 0 36 0 36 36 0 8 0 vnodes 200 1967 0 0 104 0 104 104 0 8 0 namei 1024 6674 0 6674 1 0 1 1 0 8 1 scxspl 192 7659 0 7659 9 6 3 6 0 8 3 sigapl 432 436 0 422 2 0 2 2 0 8 0 futexpl 56 4606 0 4606 1 0 1 1 0 8 1 knotepl 112 141 0 114 2 1 1 2 0 8 0 kqueuepl 104 92 0 90 1 0 1 1 0 8 0 pipepl 112 250 0 231 2 1 1 1 0 8 0 fdescpl 424 437 0 422 2 0 2 2 0 8 0 filepl 120 2564 0 2467 4 0 4 4 0 8 1 lockfpl 104 74 0 73 3 2 1 1 0 8 0 lockfspl 32 54 0 53 2 1 1 1 0 8 0 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 96 465 0 458 1 0 1 1 0 8 0 zombiepl 144 422 0 422 2 1 1 1 0 8 1 processpl 840 452 0 422 4 0 4 4 0 8 0 procpl 600 812 0 773 4 0 4 4 0 8 1 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 384 344 0 325 3 0 3 3 0 8 1 mcl64k 65536 20 0 20 2 2 0 1 0 8 0 mcl12k 12288 11 0 11 1 1 0 1 0 8 0 mcl9k 9216 8 0 8 3 2 1 1 0 8 1 mcl8k 8192 4 0 4 2 2 0 1 0 8 0 mcl4k 4096 23 0 23 2 1 1 1 0 8 1 mcl2k 2048 46295 0 46261 12 7 5 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 76888 0 76828 10 4 6 7 0 8 0 bufpl 256 7089 0 1651 340 0 340 340 0 8 0 anonpl 16 56936 0 48333 57 5 52 52 0 62 16 amapchunkpl 152 2038 0 1946 14 0 14 14 0 158 10 amappl16 192 2379 0 1921 39 12 27 35 0 8 3 amappl15 184 3 0 2 1 0 1 1 0 8 0 amappl14 176 28 0 21 1 0 1 1 0 8 0 amappl13 168 23 0 20 1 0 1 1 0 8 0 amappl12 160 5 0 5 1 1 0 1 0 8 0 amappl11 152 178 0 169 1 0 1 1 0 8 0 amappl10 144 54 0 52 2 1 1 1 0 8 0 amappl9 136 330 0 326 1 0 1 1 0 8 0 amappl8 128 116 0 102 1 0 1 1 0 8 0 amappl7 120 27 0 22 1 0 1 1 0 8 0 amappl6 112 50 0 45 1 0 1 1 0 8 0 amappl5 104 168 0 155 1 0 1 1 0 8 0 amappl4 96 508 0 484 2 1 1 2 0 8 0 amappl3 88 144 0 138 1 0 1 1 0 8 0 amappl2 80 3099 0 3039 2 0 2 2 0 8 0 amappl1 72 16761 0 16334 25 16 9 19 0 8 0 amappl 72 1021 0 986 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 32 0 0 1 0 1 1 0 8 0 uaddrrnd 24 437 0 422 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 437 0 422 1 0 1 1 0 8 0 vmmpekpl 168 6897 0 6877 2 0 2 2 0 8 0 vmmpepl 168 53663 0 52196 88 20 68 72 0 357 4 vmsppl 264 436 0 422 2 1 1 2 0 8 0 pdppl 4096 880 0 844 6 1 5 6 0 8 0 pvpl 32 223376 0 211676 232 8 224 224 0 265 129 pmappl 192 436 0 422 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 477 0 19 14 0 14 14 0 8 0