uvm_fault(0xffffffff825597b0, 0xffff800000ae8074, 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(0xffffffff825597b0, 0xffff800000ae8074, 0, 1) -> e rtable_satoplen(2,ffff800000ae7f78) at rtable_satoplen+0x150 sys/net/rtable.c:894 end trace frame: 0xffff800017983380, count: 0 ddb> trace rtable_satoplen(2,ffff800000ae7f78) at rtable_satoplen+0x150 sys/net/rtable.c:894 rtable_lookup(0,fffffd8038f1f520,ffff800000ae7f78,ffff800000ae7f58,4) at rtable_lookup+0xe0 sys/net/rtable.c:391 rtrequest_delete(ffff800017983420,4,ffff800000aff800,ffff8000179834f0,0) at rtrequest_delete+0xe3 sys/net/route.c:775 rt_ifa_del(ffff800000ae7f00,800100,ffff800000ae7f58,0) at rt_ifa_del+0x3c3 sys/net/route.c:1191 in_purgeaddr(ffff800000ae7f00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:738 [inline] in_purgeaddr(ffff800000ae7f00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:562 [inline] in_purgeaddr(ffff800000ae7f00) at in_purgeaddr+0xc6 sys/netinet/in.c:678 in_ifinit(ffff800000aff800,ffff800000ae7f00,ffff800017983870,1) at in_ifinit+0x234 sys/netinet/in.c:664 in_ioctl_change_ifaddr(8040691a,ffff800017983860,ffff800000aff800,1) at in_ioctl_change_ifaddr+0x5de sys/netinet/in.c:452 in_ioctl(8040691a,ffff800017983860,ffff800000aff800,1) at in_ioctl+0x205 sys/netinet/in.c:234 ifioctl(fffffd803ce66018,8040691a,ffff800017983860,ffff8000ffff2290) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff2290,ffff800017983978,ffff8000179839c0) at sys_ioctl+0x5b9 syscall(ffff800017983a40) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,b9daa102010) at Xsyscall+0x128 end of kernel end trace frame: 0xba09efa8080, count: -12 ddb> show registers rdi 0 rsi 0xfd rbp 0xffff8000179832e0 rbx 0xffffffffffffff07 rdx 0xffff800000ae7f7c rcx 0xffff800000ae8075 rax 0xffff800000ae8075 r8 0x4 r9 0x5 r10 0x527a85f5e41fc2c8 r11 0xa29935d9239d6df3 r12 0 r13 0xffff800000ae8075 r14 0xffffffff824beb60 inetdomain r15 0x4 rip 0xffffffff81800560 rtable_satoplen+0x150 cs 0x8 rflags 0x10283 __ALIGN_SIZE+0xf283 rsp 0xffff800017983290 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=2451 stat=onproc flags process=0 proc=4000000 pri=83, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2c70,0xffffffff825a6d38 process=0xffff8000ffff70f0 user=0xffff80001797e000, vmspace=0xfffffd803f013dd0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 80506 418558 96243 0 2 0 syz-executor.0 *80506 2451 96243 0 7 0x4000000 syz-executor.0 97968 298409 0 0 3 0x14200 acct acct 985 193963 40118 0 2 0x2 syz-executor.1 96243 356389 40118 0 3 0x82 nanosleep syz-executor.0 75682 493326 0 0 3 0x14200 bored sosplice 40118 22223 56201 0 3 0x82 thrsleep syz-fuzzer 40118 237312 56201 0 3 0x4000082 nanosleep syz-fuzzer 40118 350621 56201 0 3 0x4000082 kqread syz-fuzzer 40118 150511 56201 0 3 0x4000082 thrsleep syz-fuzzer 40118 69663 56201 0 3 0x4000082 thrsleep syz-fuzzer 40118 136183 56201 0 3 0x4000082 thrsleep syz-fuzzer 40118 483234 56201 0 3 0x4000082 thrsleep syz-fuzzer 56201 90347 7453 0 3 0x10008a pause ksh 7453 169341 76311 0 3 0x92 select sshd 74991 491827 1 0 3 0x100083 ttyin getty 76311 314655 1 0 3 0x80 select sshd 63090 25380 16273 73 3 0x100090 kqread syslogd 16273 48951 1 0 3 0x100082 netio syslogd 41700 286140 1 77 3 0x100090 poll dhclient 34615 288635 1 0 3 0x80 poll dhclient 95007 508280 0 0 2 0x14200 zerothread 29468 414346 0 0 3 0x14200 aiodoned aiodoned 84013 8327 0 0 3 0x14200 syncer update 36547 455545 0 0 3 0x14200 cleaner cleaner 45034 516827 0 0 3 0x14200 reaper reaper 82280 464599 0 0 3 0x14200 pgdaemon pagedaemon 58484 478593 0 0 3 0x14200 bored crynlk 8649 345389 0 0 3 0x14200 bored crypto 92809 49929 0 0 3 0x40014200 acpi0 acpi0 47847 177538 0 0 3 0x14200 bored softnet 45068 165770 0 0 3 0x14200 bored systqmp 9969 181896 0 0 3 0x14200 bored systq 51994 228935 0 0 3 0x40014200 bored softclock 91456 53801 0 0 3 0x40014200 idle0 36028 134152 0 0 3 0x14200 bored smr 1 491922 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 9525 6992K 7574K 78643K 12311 0 0 pcb 13 8K 8K 78643K 167 0 0 rtable 110 8K 8K 78643K 599 0 0 ifaddr 66 14K 15K 78643K 158 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 58 0 0 iov 0 0K 16K 78643K 162 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1220 77K 77K 78643K 1858 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 20 0 0 VM map 12 3K 3K 78643K 14 0 0 sem 12 1K 1K 78643K 164 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 709 0 0 sigio 0 0K 0K 78643K 42 0 0 proc 48 38K 54K 78643K 539 0 0 subproc 32 2K 2K 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 69 0 0 in_multi 33 2K 2K 78643K 89 0 0 ether_multi 1 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 108 477K 477K 78643K 108 0 0 exec 0 0K 1K 78643K 288 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 119 103K 105K 78643K 2640 0 0 UVM aobj 56 3K 3K 78643K 60 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 167 0 0 NDP 14 0K 0K 78643K 45 0 0 temp 185 3539K 4179K 78643K 11373 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 22 0 16 1 0 1 1 0 8 0 rtpcb 80 119 0 117 1 0 1 1 0 8 0 rtentry 112 115 0 73 2 0 2 2 0 8 0 unpcb 120 403 0 394 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 121 0 121 1 1 0 1 0 8 0 tcpcb 544 263 0 259 1 0 1 1 0 8 0 ipq 40 8 0 8 3 2 1 1 0 8 1 ipqe 40 192 0 192 3 2 1 1 0 8 1 inpcb 280 773 0 764 5 3 2 2 0 8 1 nd6 48 10 0 6 1 0 1 1 0 8 0 swfcl 56 4 0 0 1 0 1 1 0 8 0 ppxss 1128 14 0 14 5 4 1 1 0 8 1 art_heap8 4096 9 0 8 4 3 1 3 0 8 0 art_heap4 256 433 0 217 16 2 14 14 0 8 0 art_table 32 442 0 225 2 0 2 2 0 8 0 art_node 16 114 0 76 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 24 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 161 0 151 1 0 1 1 0 8 0 shmpl 112 58 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2509 0 1109 46 0 46 46 0 8 0 ffsino 240 2509 0 1109 83 0 83 83 0 8 0 nchpl 144 3807 0 3360 60 41 19 60 0 8 0 uvmvnodes 72 3006 0 0 55 0 55 55 0 8 0 vnodes 208 3006 0 0 159 0 159 159 0 8 0 namei 1024 11864 0 11863 2 1 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 520 12 0 2 2 1 1 1 0 8 0 scsiplug 64 4 0 4 2 2 0 1 0 8 0 scxspl 192 14743 0 14743 11 9 2 7 0 8 2 plimitpl 152 90 0 83 1 0 1 1 0 8 0 sigapl 432 868 0 855 2 0 2 2 0 8 0 futexpl 56 19098 0 19098 2 1 1 1 0 8 1 knotepl 112 196 0 177 1 0 1 1 0 8 0 kqueuepl 104 180 0 178 1 0 1 1 0 8 0 pipepl 112 954 0 935 4 2 2 2 0 8 1 fdescpl 424 869 0 855 2 0 2 2 0 8 0 filepl 120 6991 0 6894 7 2 5 5 0 8 2 lockfpl 104 273 0 272 1 0 1 1 0 8 0 lockfspl 48 97 0 96 1 0 1 1 0 8 0 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 35 0 25 1 0 1 1 0 8 0 ucredpl 96 856 0 849 1 0 1 1 0 8 0 zombiepl 144 855 0 855 1 0 1 1 0 8 1 processpl 864 885 0 855 4 0 4 4 0 8 0 procpl 632 1763 0 1726 5 1 4 5 0 8 0 sosppl 128 9 0 9 3 2 1 1 0 8 1 sockpl 384 1296 0 1276 6 2 4 4 0 8 1 mcl64k 65536 574 0 574 64 42 22 33 0 8 22 mcl16k 16384 6 0 6 4 3 1 1 0 8 1 mcl12k 12288 16 0 16 4 3 1 1 0 8 1 mcl9k 9216 12 0 12 4 3 1 1 0 8 1 mcl8k 8192 48 0 48 3 2 1 1 0 8 1 mcl4k 4096 103 0 103 3 2 1 1 0 8 1 mcl2k2 2112 6 0 6 4 3 1 1 0 8 1 mcl2k 2048 67305 0 67258 16 9 7 14 0 8 0 mtagpl 80 39 0 31 2 1 1 1 0 8 0 mbufpl 256 113147 0 113035 49 31 18 24 0 8 8 bufpl 256 10721 0 4479 391 0 391 391 0 8 0 anonpl 16 142236 0 122948 117 25 92 110 0 62 7 amapchunkpl 152 4757 0 4629 25 16 9 16 0 158 3 amappl16 192 6442 0 5319 114 45 69 78 0 8 11 amappl15 184 167 0 166 3 2 1 1 0 8 0 amappl14 176 570 0 564 1 0 1 1 0 8 0 amappl13 168 4 0 3 1 0 1 1 0 8 0 amappl12 160 5 0 3 2 1 1 1 0 8 0 amappl11 152 55 0 44 1 0 1 1 0 8 0 amappl10 144 12 0 9 1 0 1 1 0 8 0 amappl9 136 621 0 614 1 0 1 1 0 8 0 amappl8 128 193 0 165 1 0 1 1 0 8 0 amappl7 120 55 0 48 1 0 1 1 0 8 0 amappl6 112 72 0 62 1 0 1 1 0 8 0 amappl5 104 171 0 161 1 0 1 1 0 8 0 amappl4 96 1091 0 1063 1 0 1 1 0 8 0 amappl3 88 205 0 196 1 0 1 1 0 8 0 amappl2 80 6057 0 5991 3 1 2 3 0 8 0 amappl1 72 26126 0 25720 27 18 9 20 0 8 0 amappl 80 2054 0 2010 2 0 2 2 0 84 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 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 59 0 4 1 0 1 1 0 8 0 uaddrrnd 24 881 0 855 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 881 0 855 1 0 1 1 0 8 0 vmmpekpl 168 10611 0 10585 2 0 2 2 0 8 0 vmmpepl 168 115970 0 113736 199 66 133 174 0 357 34 vmsppl 272 868 0 855 2 1 1 2 0 8 0 pdppl 4096 1768 0 1724 7 1 6 6 0 8 0 pvpl 32 384000 0 362133 345 50 295 322 0 265 108 pmappl 200 880 0 857 2 0 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 650 0 99 17 0 17 17 0 8 0