kernel: protection fault trap, code=0 Stopped at rtable_l2+0x6b: movzbl 0(%rax,%rcx,4),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> show kasan No such command ddb> trace rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315 ifa_ifwithdstaddr(ffff80000160f160,0) at ifa_ifwithdstaddr+0xdc sys/net/if.c:1656 ifa_ifwithroute(c04,ffff80000160f160,ffff80000160f180,0) at ifa_ifwithroute+0xb5 sys/net/rtsock.c:-1 rtm_getifa(ffff80002c8b3630,0) at rtm_getifa+0x2dd sys/net/rtsock.c:-1 rtm_output(ffff80000160f100,ffff80002c8b36d8,ffff80002c8b3630,0,0) at rtm_output+0x7e4 sys/net/rtsock.c:952 route_output(fffff5006ce8fc00,ffff800010fde010) at route_output+0xa6a sys/net/rtsock.c:862 route_send(ffff800010fde010,fffff5006ce8fc00,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fde010,0,ffff80002c8b3938,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80002a7a0a78,3,ffff80002c8b3938,0,ffff80002c8b39e0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a7a0a78,ffff80002c8b3a90,ffff80002c8b39e0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002c8b3a90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002c8b3a90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77c1f8d3c870, count: -12 ddb> show registers rdi 0x4000 __ALIGN_SIZE+0x3000 rsi 0 rbp 0xffff80002c8b3470 rbx 0xffff80000160f101 rdx 0 rcx 0 rax 0xffff00000001233f r8 0 r9 0 r10 0x97b3ebbfcdedf04f r11 0x85c6463640802bf8 r12 0xffff800000c55d70 r13 0xfffffffe r14 0 r15 0x4000 __ALIGN_SIZE+0x3000 rip 0xffffffff81cc4d9b rtable_l2+0x6b cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002c8b3440 ss 0x10 rtable_l2+0x6b: movzbl 0(%rax,%rcx,4),%eax ddb> show proc PROC (ndp) tid=448141 pid=3910 tcnt=1 stat=onproc flags process=100002 proc=0 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7a0fa8,0xffffffff83a233e0 process=0xffff80003bcd9238 user=0xffff80002c8ae000, vmspace=0xfffff5007187b018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND * 3910 448141 83409 0 7 0x100002 0 ndp 83409 34901 83391 0 3 0x100002 0x88 sigsusp sh 89318 497303 13086 0 2 0 0 syz-executor 22864 357946 47970 0 2 0 0 syz-executor 22864 308335 47970 0 3 0 0x4000080 fsleep syz-executor 96861 518884 81626 -1 2 0x10 0 syz-executor 96861 92907 81626 -1 3 0x10 0x4000080 fsleep syz-executor 22125 101066 17938 0 2 0 0 syz-executor 86896 234240 1727 0 2 0 0 syz-executor 18982 11025 53344 0 2 0 0 syz-executor 83391 50898 50176 0 3 0x2 0x80 wait syz-executor 53344 159097 50176 0 3 0x2 0x80 nanoslp syz-executor 13086 90707 50176 0 3 0x2 0x80 nanoslp syz-executor 47970 260459 50176 0 3 0x2 0x80 nanoslp syz-executor 81626 266819 50176 0 3 0x2 0x80 nanoslp syz-executor 17938 450805 50176 0 3 0x2 0x80 nanoslp syz-executor 1727 313865 50176 0 3 0x2 0x80 nanoslp syz-executor 50176 25328 44968 0 3 0x2 0x80 nanoslp syz-executor 44968 105122 86018 0 3 0x100002 0x88 sigsusp ksh 86018 167562 99445 0 3 0x10 0x88 kqread sshd-session 99445 458711 94744 0 3 0x12 0x80 kqread sshd-session 3765 342868 1 0 3 0x100003 0x80 ttyin getty 94744 254812 1 0 3 0 0x88 kqread sshd 64586 316900 60999 73 3 0x1100010 0x80 kqread syslogd 60999 287767 1 0 3 0x100002 0x80 sbwait syslogd 3374 193029 1 0 3 0x100000 0x80 kqread resolvd 36098 339563 36872 77 3 0x100012 0x80 kqread dhcpleased 44701 52746 36872 77 3 0x100012 0x80 kqread dhcpleased 36872 9488 1 0 3 0 0x80 kqread dhcpleased 50744 362384 0 0 3 0x14000 0x200 bored smr 61737 155931 0 0 2 0x14000 0x200 zerothread 40907 520081 0 0 3 0x14000 0x200 aiodoned aiodoned 37792 237440 0 0 3 0x14000 0x200 syncer update 9243 497088 0 0 3 0x14000 0x200 cleaner cleaner 77747 132638 0 0 3 0x14000 0x200 reaper reaper 36253 410914 0 0 3 0x14000 0x200 pgdaemon pagedaemon 91362 375512 0 0 3 0x14000 0x200 bored viomb 58030 199160 0 0 3 0x14000 0x40000200 acpi0 acpi0 95194 226830 0 0 3 0x14000 0x200 bored softnet0 59096 379983 0 0 3 0x14000 0x200 smrbar systqmp 36834 234000 0 0 3 0x14000 0x200 bored systq 8564 432966 0 0 3 0x14000 0x40000200 tmoslp softclock 76847 350338 0 0 3 0x14000 0x40000200 idle0 1 226341 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11027 12102K 12181K 166960K 12379 0 pcb 17 12K 12K 166960K 84 0 rtable 226 7K 8K 166960K 1762 0 pf 30 13K 16K 166960K 191 0 ifaddr 38 7K 7K 166960K 229 0 ifgroup 46 2K 2K 166960K 232 0 sysctl 3 1K 9K 166960K 7 0 counters 32 17K 17K 166960K 79 0 ioctlops 0 0K 4K 166960K 136 0 iov 0 0K 14K 166960K 12 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1294 81K 82K 166960K 2031 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 27 1K 1K 166960K 44 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 1015 0 sigio 0 0K 0K 166960K 2 0 proc 60 59K 100K 166960K 1770 0 subproc 63 3K 4K 166960K 477 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 31 0 in_multi 88 5K 6K 166960K 596 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 1123 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 181 152K 168K 166960K 8338 0 UVM aobj 74 3K 5K 166960K 75 0 pinsyscall 39 78K 94K 166960K 3285 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 16 0K 2K 166960K 163 0 temp 37 9107K 9246K 166960K 14432 0 kqueue 13 20K 26K 166960K 54 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 210 0 206 3 0 3 3 0 8 2 rtentry 136 607 0 508 4 0 4 4 0 8 0 unpcb 144 146 0 128 1 0 1 1 0 8 0 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 11 0 11 1 0 1 1 0 8 1 tcpcb 736 90 0 84 4 0 4 4 0 8 3 arp 96 108 0 92 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 514 0 503 7 0 7 7 0 8 6 ip6q 80 33 0 32 1 0 1 1 0 8 0 ip6af 40 65 0 64 1 0 1 1 0 8 0 nd6 112 159 0 138 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 53 0 46 1 0 1 1 0 8 0 ppxss 1072 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 2 0 1 1 0 1 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 8 0 6 1 0 1 1 0 8 0 pfstkey 128 10 0 5 1 0 1 1 0 8 0 pfstate 384 5 0 1 1 0 1 1 0 8 0 pfrule 1360 3 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2474 0 2004 32 0 32 32 0 8 2 art_table 40 2475 0 2004 6 0 6 6 0 8 1 art_node 32 606 0 513 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 72 42 0 17 1 0 1 1 0 8 0 shmpl 120 71 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2051 0 484 98 0 98 98 0 8 0 ffsino 256 2051 0 484 98 0 98 98 0 8 0 nchpl 144 2511 0 651 69 0 69 69 0 8 0 vnodes 216 2666 0 0 149 0 149 149 0 8 0 namei 1024 13943 0 13943 3 0 3 3 0 8 3 vcpupl 3968 16 0 16 2 0 2 2 0 8 2 vmpool 808 1 0 1 1 0 1 1 0 8 1 kstatmem 264 115 0 94 2 0 2 2 0 8 0 scxspl 216 10331 0 10331 8 0 8 8 1 8 8 plimitpl 152 165 0 150 1 0 1 1 0 8 0 sigapl 424 1220 0 1178 6 0 6 6 0 8 1 knotepl 120 11223 0 11176 16 6 10 16 0 8 8 kqueuepl 184 83 0 74 1 0 1 1 0 8 0 pipepl 304 270 0 243 3 0 3 3 0 8 0 fdescpl 448 1207 0 1178 5 0 5 5 0 8 1 filepl 120 4572 0 4372 11 0 11 11 0 8 3 lockfpl 104 65 0 63 1 0 1 1 0 8 0 lockfspl 48 25 0 23 1 0 1 1 0 8 0 sessionpl 144 77 0 69 1 0 1 1 0 8 0 pgrppl 48 131 0 116 1 0 1 1 0 8 0 ucredpl 104 527 0 515 1 0 1 1 0 8 0 zombiepl 144 1178 0 1178 1 0 1 1 0 8 1 processpl 1160 1220 0 1178 4 0 4 4 0 8 0 procpl 664 1619 0 1575 6 0 6 6 0 8 2 sosppl 176 4 0 4 1 0 1 1 0 8 1 sockpl 552 874 0 841 7 0 7 7 0 8 4 mcl64k 65536 6 0 6 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 2748 0 2675 14 0 14 14 0 8 4 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 1110 0 1109 2 0 2 2 0 8 1 mextrefs 64 267 0 267 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 9826 0 9641 17 0 17 17 0 8 4 bufpl 272 3666 0 107 238 0 238 238 0 8 0 anonpl 24 163028 0 160206 44 0 44 44 0 187 12 amapchunkpl 152 23511 0 23186 34 0 34 34 0 158 20 amappl16 200 2747 0 2730 21 9 12 14 0 8 8 amappl15 192 44 0 44 1 0 1 1 0 8 1 amappl14 184 949 0 947 1 0 1 1 0 8 0 amappl13 176 213 0 202 1 0 1 1 0 8 0 amappl12 168 1618 0 1594 2 0 2 2 0 8 0 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 271 0 271 1 0 1 1 0 8 1 amappl8 136 273 0 272 1 0 1 1 0 8 0 amappl7 128 244 0 232 1 0 1 1 0 8 0 amappl6 120 634 0 632 1 0 1 1 0 8 0 amappl5 112 89 0 82 1 0 1 1 0 8 0 amappl4 104 398 0 379 1 0 1 1 0 8 0 amappl3 96 4301 0 4235 3 0 3 3 0 8 0 amappl2 88 1144 0 1078 2 0 2 2 0 8 0 amappl1 80 16810 0 16246 13 0 13 13 0 8 1 amappl 88 6860 0 6746 5 0 5 5 0 92 1 uvmvnodes 80 104 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 74 0 1 2 0 2 2 0 8 0 uaddrrnd 24 1207 0 1178 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1207 0 1178 1 0 1 1 0 8 0 vmmpekpl 168 10780 0 10737 3 0 3 3 0 8 0 vmmpepl 168 88556 0 86868 87 0 87 87 0 357 13 vmsppl 368 1206 0 1178 4 0 4 4 0 8 1 rwobjpl 40 26940 0 25954 13 0 13 13 0 8 0 pdppl 4096 2422 0 2358 136 68 68 82 0 8 4 pvpl 32 488688 0 481363 111 0 111 111 0 265 28 pmappl 216 1207 0 1179 3 0 3 3 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 665 0 68 18 0 18 18 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315 ifa_ifwithdstaddr(ffff80000160f160,0) at ifa_ifwithdstaddr+0xdc sys/net/if.c:1656 ifa_ifwithroute(c04,ffff80000160f160,ffff80000160f180,0) at ifa_ifwithroute+0xb5 sys/net/rtsock.c:-1 rtm_getifa(ffff80002c8b3630,0) at rtm_getifa+0x2dd sys/net/rtsock.c:-1 rtm_output(ffff80000160f100,ffff80002c8b36d8,ffff80002c8b3630,0,0) at rtm_output+0x7e4 sys/net/rtsock.c:952 route_output(fffff5006ce8fc00,ffff800010fde010) at route_output+0xa6a sys/net/rtsock.c:862 route_send(ffff800010fde010,fffff5006ce8fc00,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fde010,0,ffff80002c8b3938,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80002a7a0a78,3,ffff80002c8b3938,0,ffff80002c8b39e0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a7a0a78,ffff80002c8b3a90,ffff80002c8b39e0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002c8b3a90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002c8b3a90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77c1f8d3c870, count: -12 ddb> machine ddbcpu 1 No such command ddb> trace rtable_l2(0) at rtable_l2+0x6b sys/net/rtable.c:315 ifa_ifwithdstaddr(ffff80000160f160,0) at ifa_ifwithdstaddr+0xdc sys/net/if.c:1656 ifa_ifwithroute(c04,ffff80000160f160,ffff80000160f180,0) at ifa_ifwithroute+0xb5 sys/net/rtsock.c:-1 rtm_getifa(ffff80002c8b3630,0) at rtm_getifa+0x2dd sys/net/rtsock.c:-1 rtm_output(ffff80000160f100,ffff80002c8b36d8,ffff80002c8b3630,0,0) at rtm_output+0x7e4 sys/net/rtsock.c:952 route_output(fffff5006ce8fc00,ffff800010fde010) at route_output+0xa6a sys/net/rtsock.c:862 route_send(ffff800010fde010,fffff5006ce8fc00,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fde010,0,ffff80002c8b3938,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80002a7a0a78,3,ffff80002c8b3938,0,ffff80002c8b39e0) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80002a7a0a78,ffff80002c8b3a90,ffff80002c8b39e0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002c8b3a90) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002c8b3a90) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77c1f8d3c870, count: -12