qf)sX.Bv@3d,*lΠAe@̅?qf)sX.Bv@3d,*lΠAe@̅?uvm_fault(0xffffffff82535d88, 0xffff800000ae3074, 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(0xffffffff82535d88, 0xffff800000ae3074, 0, 1) -> e rtable_satoplen(2,ffff800000ae2f78) at rtable_satoplen+0x150 sys/net/rtable.c:894 end trace frame: 0xffff800015969ee0, count: 0 ddb> trace rtable_satoplen(2,ffff800000ae2f78) at rtable_satoplen+0x150 sys/net/rtable.c:894 rtable_lookup(0,fffffd802fd50120,ffff800000ae2f78,ffff800000ae2f58,4) at rtable_lookup+0xe0 sys/net/rtable.c:391 rtrequest_delete(ffff800015969f80,4,ffff800000af1800,ffff80001596a050,0) at rtrequest_delete+0xe3 sys/net/route.c:775 rt_ifa_del(ffff800000ae2f00,800100,ffff800000ae2f58,0) at rt_ifa_del+0x3c3 sys/net/route.c:1191 in_purgeaddr(ffff800000ae2f00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:738 [inline] in_purgeaddr(ffff800000ae2f00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:562 [inline] in_purgeaddr(ffff800000ae2f00) at in_purgeaddr+0xc6 sys/netinet/in.c:678 in_ifinit(ffff800000af1800,ffff800000ae2f00,ffff80001596a3d0,1) at in_ifinit+0x234 sys/netinet/in.c:664 in_ioctl_change_ifaddr(8040691a,ffff80001596a3c0,ffff800000af1800,1) at in_ioctl_change_ifaddr+0x5de sys/netinet/in.c:452 in_ioctl(8040691a,ffff80001596a3c0,ffff800000af1800,1) at in_ioctl+0x205 sys/netinet/in.c:234 ifioctl(fffffd802a390dd8,8040691a,ffff80001596a3c0,ffff8000ffff2018) at ifioctl+0xb34 sys/net/if.c:2202 sys_ioctl(ffff8000ffff2018,ffff80001596a4d8,ffff80001596a520) at sys_ioctl+0x5b9 syscall(ffff80001596a5a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff36,0,3,182428bc010) at Xsyscall+0x128 end of kernel end trace frame: 0x1845b079050, count: -12 ddb> show registers rdi 0 rsi 0xfd rbp 0xffff800015969e40 rbx 0xffffffffffffff07 rdx 0xffff800000ae2f7c rcx 0xffff800000ae3075 rax 0xffff800000ae3075 r8 0x4 r9 0x5 r10 0x366851f190b9d6c0 r11 0x5c792d9f39a7f74b r12 0 r13 0xffff800000ae3075 r14 0xffffffff8247ee88 inetdomain r15 0x4 rip 0xffffffff817890f0 rtable_satoplen+0x150 cs 0x8 rflags 0x10283 __ALIGN_SIZE+0xf283 rsp 0xffff800015969df0 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb> show proc PROC (syz-executor.0) pid=213770 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2780,0xffffffff8259e288 process=0xffff8000ffff70f0 user=0xffff800015965000, vmspace=0xfffffd803f013110 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 139 13450 75411 0 2 0 syz-executor.0 * 139 213770 75411 0 7 0x4000000 syz-executor.0 28966 124979 30772 0 3 0x80 nanosleep syz-executor.1 28966 5812 30772 0 3 0x4000080 netio syz-executor.1 28966 497952 30772 0 3 0x4000080 fsleep syz-executor.1 30772 40098 72629 0 3 0x82 nanosleep syz-executor.1 75411 459693 72629 0 3 0x82 nanosleep syz-executor.0 52513 322643 0 0 3 0x14200 bored sosplice 72629 70647 13321 0 3 0x82 thrsleep syz-fuzzer 72629 94254 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 117172 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 418936 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 458757 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 264703 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 170489 13321 0 3 0x4000082 thrsleep syz-fuzzer 72629 16260 13321 0 3 0x4000082 kqread syz-fuzzer 13321 83193 80448 0 3 0x10008a pause ksh 80448 189117 87564 0 3 0x92 select sshd 14883 397045 1 0 3 0x100083 ttyin getty 87564 475772 1 0 3 0x80 select sshd 17176 182006 54278 73 3 0x100090 kqread syslogd 54278 422036 1 0 3 0x100082 netio syslogd 11928 435884 1 77 3 0x100090 poll dhclient 90523 188815 1 0 3 0x80 poll dhclient 10412 240879 0 0 2 0x14200 zerothread 3994 415337 0 0 3 0x14200 aiodoned aiodoned 38503 473803 0 0 3 0x14200 syncer update 82245 100434 0 0 3 0x14200 cleaner cleaner 26494 151393 0 0 3 0x14200 reaper reaper 19253 482076 0 0 3 0x14200 pgdaemon pagedaemon 14221 462621 0 0 3 0x14200 bored crynlk 19645 342494 0 0 3 0x14200 bored crypto 79295 457209 0 0 3 0x40014200 acpi0 acpi0 87487 299127 0 0 3 0x14200 bored softnet 24672 8787 0 0 3 0x14200 bored systqmp 90809 517048 0 0 3 0x14200 bored systq 1760 279376 0 0 3 0x40014200 bored softclock 47714 467334 0 0 3 0x40014200 idle0 81605 351008 0 0 3 0x14200 bored smr 1 1274 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 9586 6441K 6848K 78643K 13380 0 0 pcb 13 8K 9K 78643K 305 0 0 rtable 114 12K 13K 78643K 1191 0 0 ifaddr 86 17K 18K 78643K 303 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 96 0 0 iov 0 0K 32K 78643K 264 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1219 77K 77K 78643K 2513 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 34 0 0 VM map 10 2K 2K 78643K 14 0 0 sem 12 0K 1K 78643K 590 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 1841 0 0 sigio 0 0K 0K 78643K 20 0 0 proc 49 38K 55K 78643K 829 0 0 subproc 32 2K 2K 78643K 187 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 131 0 0 in_multi 29 1K 2K 78643K 211 0 0 ether_multi 1 0K 0K 78643K 12 0 0 mrt 0 0K 0K 78643K 9 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 1121 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 123 87K 88K 78643K 6161 0 0 UVM aobj 130 4K 4K 78643K 130 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 288 0 0 NDP 21 0K 0K 78643K 100 0 0 temp 233 3541K 4179K 78643K 33434 0 0 kqueue 0 0K 0K 78643K 23 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 51 0 45 1 0 1 1 0 8 0 rtpcb 80 158 0 156 1 0 1 1 0 8 0 rtentry 112 229 0 188 2 0 2 2 0 8 0 unpcb 120 1969 0 1961 1 0 1 1 0 8 0 syncache 264 11 0 11 4 3 1 1 0 8 1 tcpqe 32 185 0 185 2 2 0 1 0 8 0 tcpcb 544 529 0 525 3 2 1 2 0 8 0 ipq 40 8 0 8 5 5 0 1 0 8 0 ipqe 40 148 0 148 5 5 0 1 0 8 0 inpcb 280 2407 0 2393 7 5 2 4 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 29 0 26 2 1 1 1 0 8 0 ppxss 1128 22 0 22 11 10 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 915 0 714 26 11 15 15 0 8 1 art_table 32 916 0 714 2 0 2 2 0 8 0 art_node 16 228 0 191 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 13 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 585 0 575 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3993 0 2606 46 0 46 46 0 8 0 ffsino 240 3993 0 2606 83 0 83 83 0 8 0 nchpl 144 7242 0 6780 60 41 19 60 0 8 0 uvmvnodes 72 4862 0 0 89 0 89 89 0 8 0 vnodes 208 4862 0 0 256 0 256 256 0 8 0 namei 1024 24015 0 24015 1 0 1 1 0 8 1 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 520 12 0 4 1 0 1 1 0 8 0 scxspl 192 20075 0 20075 15 14 1 7 0 8 1 plimitpl 152 128 0 121 1 0 1 1 0 8 0 sigapl 432 1985 0 1971 2 0 2 2 0 8 0 futexpl 56 55219 0 55218 1 0 1 1 0 8 0 knotepl 112 554 0 535 3 2 1 3 0 8 0 kqueuepl 104 872 0 870 1 0 1 1 0 8 0 pipepl 112 914 0 895 3 1 2 2 0 8 1 fdescpl 424 1986 0 1971 2 0 2 2 0 8 0 filepl 120 16262 0 16159 12 8 4 6 0 8 0 lockfpl 104 403 0 402 1 0 1 1 0 8 0 lockfspl 48 141 0 140 1 0 1 1 0 8 0 sessionpl 112 26 0 16 1 0 1 1 0 8 0 pgrppl 48 36 0 26 1 0 1 1 0 8 0 ucredpl 96 3543 0 3536 1 0 1 1 0 8 0 zombiepl 144 1972 0 1972 1 0 1 1 0 8 1 processpl 864 2002 0 1972 4 0 4 4 0 8 0 procpl 632 4422 0 4382 8 3 5 5 0 8 1 sosppl 128 15 0 15 5 5 0 1 0 8 0 sockpl 384 4549 0 4525 15 10 5 7 0 8 2 mcl64k 65536 868 0 868 71 70 1 33 0 8 1 mcl16k 16384 20 0 20 7 6 1 1 0 8 1 mcl12k 12288 47 0 47 11 10 1 1 0 8 1 mcl9k 9216 22 0 22 11 11 0 1 0 8 0 mcl8k 8192 535 0 535 6 5 1 1 0 8 1 mcl4k 4096 215 0 215 6 5 1 1 0 8 1 mcl2k2 2112 6 0 6 6 6 0 1 0 8 0 mcl2k 2048 71129 0 71083 19 12 7 15 0 8 0 mtagpl 80 58 0 48 5 4 1 1 0 8 0 mbufpl 256 130894 0 130761 67 55 12 23 0 8 1 bufpl 256 10495 0 5551 310 0 310 310 0 8 0 anonpl 16 327275 0 308261 160 70 90 94 0 62 9 amapchunkpl 152 11591 0 11422 38 30 8 12 0 158 0 amappl16 192 16593 0 15481 132 68 64 69 0 8 8 amappl15 184 449 0 449 1 1 0 1 0 8 0 amappl14 176 600 0 597 1 0 1 1 0 8 0 amappl13 168 123 0 120 2 1 1 1 0 8 0 amappl12 160 11 0 9 1 0 1 1 0 8 0 amappl11 152 317 0 306 1 0 1 1 0 8 0 amappl10 144 12 0 10 1 0 1 1 0 8 0 amappl9 136 893 0 886 1 0 1 1 0 8 0 amappl8 128 451 0 420 2 0 2 2 0 8 0 amappl7 120 98 0 92 1 0 1 1 0 8 0 amappl6 112 322 0 311 1 0 1 1 0 8 0 amappl5 104 222 0 212 1 0 1 1 0 8 0 amappl4 96 2147 0 2116 1 0 1 1 0 8 0 amappl3 88 531 0 526 1 0 1 1 0 8 0 amappl2 80 15546 0 15466 3 1 2 3 0 8 0 amappl1 72 47784 0 47355 27 18 9 20 0 8 0 amappl 80 5393 0 5347 3 1 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 64 129 0 0 3 0 3 3 0 8 0 uaddrrnd 24 1998 0 1971 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1998 0 1971 1 0 1 1 0 8 0 vmmpekpl 168 17044 0 17016 2 0 2 2 0 8 0 vmmpepl 168 253383 0 251075 270 137 133 139 0 357 32 vmsppl 272 1985 0 1971 4 3 1 2 0 8 0 pdppl 4096 4002 0 3958 9 3 6 6 0 8 0 pvpl 32 767589 0 746167 314 105 209 220 0 265 26 pmappl 200 1997 0 1975 2 0 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 618 0 174 14 0 14 14 0 8 0