uvm_fault(0xffffffff822484c0, 0xffff8000019a0002, 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, 0xffff8000019a0002, 0, 1) -> e rtable_satoplen(21,ffff80000199ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff8000149ee170, count: 0 ddb> trace rtable_satoplen(21,ffff80000199ff59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff80000199ff09,ffff80000199ff59,ffff80000199ff11,21) at rtable_lookup+0xed sys/net/rtable.c:391 rtm_output(ffff80000199ff00,ffff8000149ee260,ffff8000149ee268,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd803546e700,fffffd8037002600,0,0) at route_output+0x78b sys/net/rtsock.c:806 route_usrreq(fffffd8037002600,9,fffffd803546e700,0,0,ffff8000ffff2bd0) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd8037002600,0,ffff8000149ee528,0,0,0) at sosend+0x6e3 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2bd0,3,ffff8000149ee5e8,0,ffff8000149ee6b0) at sendit+0x58f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2bd0,ffff8000149ee6c8,ffff8000149ee6b0) at sys_sendto+0x92 syscall(ffff8000149ee760) at syscall+0x541 Xsyscall(6,0,ffffffffffffffd8,0,6,11e75d19010) at Xsyscall+0x128 end of kernel end trace frame: 0x120fb8d9030, count: -10 ddb> show registers rdi 0 rsi 0xaa rbp 0xffff8000149ee0d0 rbx 0xffffffffffffff5a rdx 0xffff80000199ff5d rcx 0xffff8000019a0003 rax 0xffff8000019a0003 r8 0x21 r9 0x1 r10 0xffff800000936bc0 r11 0x2674b0fb436cb772 r12 0 r13 0xffff8000019a0003 r14 0xffffffff8218da30 mplsdomain r15 0x4 rip 0xffffffff817c2be0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff8000149ee080 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.1) pid=324521 stat=onproc flags process=0 proc=4000000 pri=73, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff24c8,0xffffffff82259c50 process=0xffff8000ffff7a50 user=0xffff8000149e9000, vmspace=0xfffffd803f014318 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 73487 76876 42899 0 2 0 syz-executor.1 *73487 324521 42899 0 7 0x4000000 syz-executor.1 93353 521944 69947 0 2 0 syz-executor.0 93353 194528 69947 0 3 0x4000080 nanosleep syz-executor.0 97401 187099 1 0 3 0x100083 ttyin getty 65710 19126 0 0 3 0x14200 bored sosplice 69947 57958 97355 0 3 0x82 nanosleep syz-executor.0 42899 155171 97355 0 3 0x82 nanosleep syz-executor.1 97355 206614 88794 0 3 0x82 thrsleep syz-fuzzer 97355 462218 88794 0 3 0x4000082 thrsleep syz-fuzzer 97355 196526 88794 0 3 0x4000082 thrsleep syz-fuzzer 97355 349539 88794 0 3 0x4000082 kqread syz-fuzzer 97355 510955 88794 0 3 0x4000082 thrsleep syz-fuzzer 97355 178412 88794 0 3 0x4000082 thrsleep syz-fuzzer 97355 395137 88794 0 3 0x4000082 thrsleep syz-fuzzer 97355 452326 88794 0 3 0x4000082 thrsleep syz-fuzzer 88794 203496 53575 0 3 0x10008a pause ksh 53575 518675 89062 0 3 0x92 select sshd 89062 187782 1 0 3 0x80 select sshd 61388 77878 32670 73 2 0x100090 syslogd 32670 400017 1 0 3 0x100082 netio syslogd 23332 517231 1 77 3 0x100090 poll dhclient 15355 258293 1 0 3 0x80 poll dhclient 85398 352706 0 0 2 0x14200 zerothread 96500 188208 0 0 3 0x14200 aiodoned aiodoned 71066 368148 0 0 3 0x14200 syncer update 43960 226976 0 0 3 0x14200 cleaner cleaner 8697 17643 0 0 3 0x14200 reaper reaper 24873 187914 0 0 3 0x14200 pgdaemon pagedaemon 19645 8898 0 0 3 0x14200 bored crynlk 70497 366253 0 0 3 0x14200 bored crypto 4745 248324 0 0 3 0x40014200 acpi0 acpi0 40682 313888 0 0 3 0x14200 bored softnet 56227 214923 0 0 3 0x14200 bored systqmp 4928 210348 0 0 3 0x14200 bored systq 29736 510297 0 0 3 0x40014200 bored softclock 61205 226255 0 0 3 0x40014200 idle0 8092 125629 0 0 3 0x14200 bored smr 1 498080 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 9505 6345K 6354K 78643K 12800 0 0 pcb 24 9K 11K 78643K 1028 0 0 rtable 101 3K 4K 78643K 2379 0 0 ifaddr 59 20K 24K 78643K 1178 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 39 0 0 iov 0 0K 24K 78643K 254 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1209 76K 76K 78643K 2714 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 31 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 52 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 2105 0 0 sigio 0 0K 0K 78643K 22 0 0 proc 42 30K 54K 78643K 432 0 0 subproc 64 65538K 69634K 78643K 84 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 1314 0 0 in_multi 33 2K 2K 78643K 94 0 0 ether_multi 1 0K 0K 78643K 11 0 0 mrt 0 0K 0K 78643K 6 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 315 0 0 pfkey data 0 0K 0K 78643K 1 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 89 21K 25K 78643K 6227 0 0 UVM aobj 94 5K 5K 78643K 103 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 70 0 0 NDP 12 0K 0K 78643K 373 0 0 temp 171 2359K 2425K 78643K 10385 0 0 kqueue 0 0K 0K 78643K 24 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 1431 0 1423 3 2 1 2 0 8 0 plimitpl 152 63 0 56 1 0 1 1 0 8 0 rtentry 112 43 0 3 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 336 0 332 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 44 0 44 22 21 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 184 0 0 12 0 12 12 0 8 0 art_table 32 185 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 5 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 43 0 33 1 0 1 1 0 8 0 shmpl 112 101 0 9 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6043 0 4626 46 0 46 46 0 8 0 ffsino 240 6043 0 4626 84 0 84 84 0 8 0 nchpl 144 9578 0 7951 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 26149 0 26149 1 0 1 1 0 8 1 scsiplug 64 7 0 7 6 6 0 1 0 8 0 scxspl 192 31445 0 31445 17 16 1 7 0 8 1 sigapl 432 2274 0 2260 2 0 2 2 0 8 0 futexpl 56 39937 0 39937 1 0 1 1 0 8 1 knotepl 112 464 0 437 5 4 1 2 0 8 0 kqueuepl 104 512 0 510 1 0 1 1 0 8 0 pipepl 112 2062 0 2043 3 1 2 2 0 8 1 fdescpl 424 2275 0 2260 2 0 2 2 0 8 0 filepl 120 13777 0 13681 5 0 5 5 0 8 2 lockfpl 104 530 0 530 14 13 1 1 0 8 1 lockfspl 32 672 0 672 13 12 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 2817 0 2810 1 0 1 1 0 8 0 zombiepl 144 2260 0 2260 2 1 1 1 0 8 1 processpl 840 2290 0 2260 4 0 4 4 0 8 0 procpl 600 5555 0 5516 4 0 4 4 0 8 0 sosppl 128 29 0 29 11 11 0 1 0 8 0 sockpl 384 2320 0 2301 5 1 4 4 0 8 2 mcl64k 65536 770 0 770 103 102 1 33 0 8 1 mcl16k 16384 5 0 5 5 5 0 1 0 8 0 mcl12k 12288 40 0 40 19 18 1 1 0 8 1 mcl9k 9216 29 0 29 20 20 0 1 0 8 0 mcl8k 8192 20 0 20 16 15 1 1 0 8 1 mcl4k 4096 636 0 636 2 1 1 1 0 8 1 mcl2k2 2112 17 0 17 11 11 0 1 0 8 0 mcl2k 2048 49488 0 49454 15 10 5 12 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 99898 0 99837 54 49 5 21 0 8 0 bufpl 256 11222 0 5777 341 0 341 341 0 8 0 anonpl 16 264167 0 255125 214 164 50 54 0 62 11 amapchunkpl 152 10546 0 10464 35 31 4 14 0 158 0 amappl16 192 13051 0 12562 206 176 30 37 0 8 5 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 28 0 21 1 0 1 1 0 8 0 amappl13 168 4199 0 4188 1 0 1 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 178 0 169 1 0 1 1 0 8 0 amappl10 144 57 0 56 2 1 1 1 0 8 0 amappl9 136 175 0 171 1 0 1 1 0 8 0 amappl8 128 130 0 111 1 0 1 1 0 8 0 amappl7 120 2110 0 2104 1 0 1 1 0 8 0 amappl6 112 48 0 42 1 0 1 1 0 8 0 amappl5 104 500 0 489 1 0 1 1 0 8 0 amappl4 96 279 0 257 1 0 1 1 0 8 0 amappl3 88 189 0 184 1 0 1 1 0 8 0 amappl2 80 21498 0 21438 2 0 2 2 0 8 0 amappl1 72 51969 0 51538 25 16 9 19 0 8 0 amappl 72 5785 0 5752 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 64 102 0 9 2 0 2 2 0 8 0 uaddrrnd 24 2275 0 2260 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2275 0 2260 1 0 1 1 0 8 0 vmmpekpl 168 21938 0 21919 2 0 2 2 0 8 0 vmmpepl 168 249420 0 247915 209 134 75 78 0 357 8 vmsppl 264 2274 0 2260 2 1 1 2 0 8 0 pdppl 4096 4556 0 4520 6 1 5 6 0 8 0 pvpl 32 781637 0 769455 439 305 134 224 0 265 34 pmappl 192 2274 0 2260 1 0 1 1 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 646 0 185 16 2 14 15 0 8 0