uvm_fault(0xfffffb006cf3c3e8, 0xeed2, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_lookup+0xea: movq 0(%rax,%rcx,8),%r15 TID PID UID PRFLAGS PFLAGS CPU COMMAND *294283 10932 0 0x100002 0 0 arp 205500 48403 0 0x14000 0x200 1 reaper rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline] rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440 rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189 route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862 route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d1f553c9c60, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffb006cf3c3e8, 0xeed2, 0, 1) -> e ddb{0}> show kasan No such command ddb{0}> trace rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline] rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440 rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189 route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862 route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d1f553c9c60, count: -9 ddb{0}> show registers rdi 0x1000 __ALIGN_SIZE rsi 0 rbp 0xffff80003be050c0 rbx 0 rdx 0 rcx 0 rax 0xeed2 __ALIGN_SIZE+0xded2 r8 0x40 r9 0 r10 0xf33b06b179b8cb36 r11 0x139113a1c839d294 r12 0 r13 0xffff80000166c860 r14 0xffff800000c43e10 r15 0x1000 __ALIGN_SIZE rip 0xffffffff83247c5a rtable_lookup+0xea cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff80003be05040 ss 0x10 rtable_lookup+0xea: movq 0(%rax,%rcx,8),%r15 ddb{0}> show proc PROC (arp) tid=294283 pid=10932 tcnt=1 stat=onproc flags process=100002 proc=0 runpri=73, usrpri=73, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3f1a18,0xffffffff83b40a30 process=0xffff80003be0d368 user=0xffff80003be00000, vmspace=0xfffffb006cf3c3e8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND *10932 294283 45895 0 7 0x100002 0 arp 45895 3897 44555 0 3 0x100002 0x88 sigsusp sh 26050 389384 36702 0 2 0x100000 0 sh 36702 403623 4825 0 3 0x100002 0x88 sigsusp sh 34968 500608 46532 0 2 0 0 syz-executor 34968 387212 46532 0 3 0 0x4000080 fsleep syz-executor 89423 273995 90480 0 2 0 0 syz-executor 89423 365976 90480 0 3 0 0x4000080 fsleep syz-executor 89423 442289 90480 0 3 0 0x4000080 fsleep syz-executor 4825 68094 60902 0 3 0x2 0x80 wait syz-executor 44555 424254 60902 0 3 0x2 0x80 wait syz-executor 39659 135146 60902 0 3 0x2 0x80 piperd syz-executor 87516 149958 60902 0 3 0x2 0x80 nanoslp syz-executor 90480 129029 60902 0 3 0x2 0x80 nanoslp syz-executor 46532 468010 60902 0 3 0x2 0x80 nanoslp syz-executor 60902 85994 42237 0 3 0x2 0x80 wait syz-executor 42237 116831 52996 0 3 0x100002 0x88 sigsusp ksh 52996 452325 85388 0 3 0x10 0x88 kqread sshd-session 85388 129700 36078 0 3 0x12 0x80 kqread sshd-session 87015 185473 1 0 3 0x100003 0x80 ttyin getty 36078 391561 1 0 3 0 0x88 kqread sshd 90117 480113 46992 74 3 0x1100012 0x80 bpf pflogd 46992 518423 1 0 3 0 0x80 sbwait pflogd 83001 295756 84606 73 3 0x1100010 0x80 kqread syslogd 84606 407814 1 0 3 0x100002 0x80 sbwait syslogd 12264 26052 1 0 3 0x100000 0x80 kqread resolvd 34550 62314 95453 77 3 0x100012 0x80 kqread dhcpleased 28236 456903 95453 77 3 0x100012 0x80 kqread dhcpleased 95453 3651 1 0 3 0 0x80 kqread dhcpleased 12856 26313 0 0 3 0x14000 0x200 bored smr 62124 50023 0 0 2 0x14000 0x200 zerothread 93597 478674 0 0 3 0x14000 0x200 aiodoned aiodoned 86967 332439 0 0 3 0x14000 0x200 syncer update 1676 252234 0 0 3 0x14000 0x200 cleaner cleaner 48403 205500 0 0 7 0x14000 0x200 reaper 37239 41537 0 0 3 0x14000 0x200 pgdaemon pagedaemon 58407 246261 0 0 3 0x14000 0x200 bored viomb 97609 217501 0 0 3 0x14000 0x40000200 acpi0 acpi0 4819 482034 0 0 3 0x14000 0x40000200 idle1 4597 324356 0 0 3 0x14000 0x200 bored softnet1 50771 108699 0 0 3 0x14000 0x200 bored softnet0 83951 318348 0 0 3 0x14000 0x200 smrbar systqmp 54625 171752 0 0 3 0x14000 0x200 bored systq 33231 39730 0 0 3 0x14000 0x200 tmoslp softclockmp 76821 240448 0 0 3 0x14000 0x40000200 tmoslp softclock 17485 519398 0 0 3 0x14000 0x40000200 idle0 1 71467 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks CPU 1: uvm_fault(0xfffffb006cf3c3e8, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11064 12097K 12418K 166960K 12509 0 pcb 17 15K 17K 166960K 109 0 rtable 191 6K 7K 166960K 1550 0 pf 35 17K 25K 166960K 162 0 ifaddr 39 6K 7K 166960K 209 0 ifgroup 55 2K 2K 166960K 228 0 sysctl 4 1K 9K 166960K 9 0 counters 70 37K 37K 166960K 158 0 ioctlops 0 0K 4K 166960K 1576 0 iov 0 0K 12K 166960K 12 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1330 84K 84K 166960K 2148 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 27 1K 1K 166960K 93 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 16 57K 93K 166960K 1032 0 sigio 0 0K 0K 166960K 8 0 proc 72 115K 164K 166960K 1675 0 subproc 72 4K 4K 166960K 432 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 29 0 in_multi 78 5K 6K 166960K 532 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 23 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 992 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 211 177K 184K 166960K 9018 0 UVM aobj 8 2K 2K 166960K 9 0 pinsyscall 42 84K 106K 166960K 3243 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 40 0 NDP 18 0K 2K 166960K 148 0 temp 73 9124K 12980K 166960K 18702 0 kqueue 14 22K 29K 166960K 94 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 130 0 126 1 0 1 1 0 8 0 rtentry 176 540 0 457 6 0 6 6 0 8 1 unpcb 144 195 0 178 1 0 1 1 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 736 72 0 68 1 0 1 1 0 8 0 arp 136 95 0 80 1 0 1 1 0 8 0 inpcb 328 812 0 804 13 6 7 13 0 8 6 nd6 152 141 0 123 2 0 2 2 0 8 0 pkpcb 40 2 0 2 2 2 0 1 0 8 0 kcovpl 48 48 0 40 1 0 1 1 0 8 0 ppxss 1192 2 0 2 2 1 1 1 0 8 1 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 3 0 2 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstlim 224 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 3 0 2 1 0 1 1 0 8 0 pftag 88 4 0 0 1 0 1 1 0 8 0 pfstitem 24 41 0 5 1 0 1 1 0 8 0 pfstkey 128 41 0 5 2 0 2 2 0 8 0 pfstate 448 41 0 5 5 0 5 5 0 8 0 pfrule 1360 25 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2220 0 1821 31 0 31 31 0 8 6 art_table 40 2221 0 1821 5 0 5 5 0 8 0 art_node 32 540 0 463 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 1 0 1 0 8 0 semapl 72 88 0 63 1 0 1 1 0 8 0 shmpl 112 6 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2328 0 758 99 0 99 99 0 8 0 ffsino 296 2328 0 758 121 0 121 121 0 8 0 nchpl 144 2950 0 1078 70 0 70 70 0 8 0 vnodes 216 2963 0 0 165 0 165 165 0 8 0 namei 1024 15277 0 15277 5 3 2 3 0 8 2 percpumem 16 95 0 44 1 0 1 1 0 8 0 kstatmem 264 115 0 88 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 9336 0 9336 11 10 1 8 1 8 1 plimitpl 152 92 0 74 1 0 1 1 0 8 0 sigapl 424 1281 0 1234 7 1 6 7 0 8 0 knotepl 120 358 0 0 11 0 11 11 0 8 0 kqueuepl 224 109 0 99 2 1 1 2 0 8 0 pipepl 344 397 0 370 9 5 4 9 0 8 0 fdescpl 528 1265 0 1235 3 0 3 3 0 8 0 filepl 160 5611 0 5402 20 5 15 17 0 8 4 lockfpl 104 88 0 86 1 0 1 1 0 8 0 lockfspl 48 42 0 40 1 0 1 1 0 8 0 sessionpl 144 81 0 72 1 0 1 1 0 8 0 pgrppl 48 131 0 114 1 0 1 1 0 8 0 ucredpl 104 962 0 949 1 0 1 1 0 8 0 zombiepl 144 1237 0 1234 2 1 1 1 0 8 0 processpl 1232 1281 0 1234 6 1 5 5 0 8 0 procpl 664 1861 0 1811 6 0 6 6 0 8 0 sockpl 752 1154 0 1125 18 8 10 18 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 34 0 0 5 0 5 5 0 8 0 mextrefs 64 37 0 0 1 0 1 1 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 228 0 0 14 0 14 14 0 8 0 bufpl 272 2880 0 105 185 0 185 185 0 8 0 anonpl 32 3854 0 0 32 0 32 32 0 247 0 amapchunkpl 152 25327 0 24951 27 7 20 27 0 158 3 amappl16 200 2248 0 2235 5 2 3 5 0 8 1 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 914 0 910 1 0 1 1 0 8 0 amappl13 176 202 0 189 1 0 1 1 0 8 0 amappl12 168 1679 0 1650 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 274 0 273 1 0 1 1 0 8 0 amappl8 136 283 0 281 1 0 1 1 0 8 0 amappl7 128 240 0 226 1 0 1 1 0 8 0 amappl6 120 561 0 557 1 0 1 1 0 8 0 amappl5 112 107 0 95 1 0 1 1 0 8 0 amappl4 104 415 0 394 1 0 1 1 0 8 0 amappl3 96 4803 0 4724 3 0 3 3 0 8 0 amappl2 88 1246 0 1170 2 0 2 2 0 8 0 amappl1 80 16976 0 16360 15 1 14 14 0 8 0 amappl 88 7571 0 7439 5 0 5 5 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 8 0 8 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1265 0 1235 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1265 0 1235 1 0 1 1 0 8 0 vmmpekpl 168 11821 0 11760 4 0 4 4 0 8 0 vmmpepl 168 89087 0 87327 89 1 88 88 0 357 3 vmsppl 488 1264 0 1235 5 0 5 5 0 8 0 rwobjpl 80 26864 0 25831 25 1 24 24 0 8 1 pdppl 4096 2537 0 2470 135 54 81 85 0 8 14 pvpl 32 10751 0 0 88 1 87 87 0 265 0 pmappl 256 1264 0 1235 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 512 0 61 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea rtable_get sys/net/rtable.c:260 [inline] rtable_lookup(0,ffff80000166c860,0,0,40) at rtable_lookup+0xea sys/net/rtable.c:440 rtm_output(ffff80000166c800,ffff80003be05218,ffff80003be05178,40,0) at rtm_output+0x138 sys/net/rtsock.c:1189 route_output(fffffb0071a4e800,ffff800010fdc8f0) at route_output+0xa27 sys/net/rtsock.c:862 route_send(ffff800010fdc8f0,fffffb0071a4e800,0,0) at route_send+0xd7 sys/net/rtsock.c:322 sosend(ffff800010fdc8f0,0,ffff80003be05478,0,0,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff80003c3f0d20,3,ffff80003be05478,0,ffff80003be05530) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff80003c3f0d20,ffff80003be055e0,ffff80003be05530) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80003be055e0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003be055e0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d1f553c9c60, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a64e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a64e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 reaper(ffff800045ffdc90) at reaper+0x211 sys/kern/kern_exit.c:507 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a64e40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a64e40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 reaper(ffff800045ffdc90) at reaper+0x211 sys/kern/kern_exit.c:507 end trace frame: 0x0, count: -5