login: `‹+^bî?ŽóÀ(‘ÿ¤œ"Íÿþc”’,pvl0}`‹+^bî?ŽóÀ(‘ÿ¤œ"Íÿþc”’,pvl0}panic: receive 1a: so 0xfffffd806975c640, so_type 3, m 0xfffffd805e313900, m_type 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *253696 65484 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823cce79) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806975c640,0,ffff80001d6e55e8,0,0,ffff80001d6e54f4) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80699f8618,ffff80001d6e55e8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d6a9758,6,ffff80001d6e55e8,0,ffff80001d6e56d0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d6a9758,ffff80001d6e5680,ffff80001d6e56d0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e5750) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc5380, count: 7 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic receive 1a: so 0xfffffd806975c640, so_type 3, m 0xfffffd805e313900, m_type 0 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823cce79) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806975c640,0,ffff80001d6e55e8,0,0,ffff80001d6e54f4) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80699f8618,ffff80001d6e55e8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d6a9758,6,ffff80001d6e55e8,0,ffff80001d6e56d0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d6a9758,ffff80001d6e5680,ffff80001d6e56d0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e5750) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc5380, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d6e5330 rbx 0xffff80001d6e53e0 rdx 0x2 rcx 0 rax 0x1 r8 0xffffffff8185515f kprintf+0x15f r9 0x1 r10 0x2 r11 0x23dfebb89870fc52 r12 0x3000000008 r13 0xffff80001d6e5340 r14 0x100 r15 0x1 rip 0xffffffff81fef208 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d6e5320 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=253696 stat=onproc flags process=0 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6aa868,0xffff80001d6a9c48 process=0xffff80001d6c43b0 user=0xffff80001d6e0000, vmspace=0xfffffd806bc0a440 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 81168 268325 28734 0 2 0 syz-executor.1 81168 162900 28734 0 2 0x4000000 syz-executor.1 40247 179559 33380 0 2 0x2 syz-executor.0 28734 15206 33380 0 2 0x482 syz-executor.1 33380 326601 63135 0 3 0x82 thrsleep syz-fuzzer 33380 504270 63135 0 3 0x4000082 nanosleep syz-fuzzer 33380 291549 63135 0 3 0x4000082 thrsleep syz-fuzzer 33380 293515 63135 0 3 0x4000082 thrsleep syz-fuzzer 33380 256625 63135 0 3 0x4000082 thrsleep syz-fuzzer 33380 296561 63135 0 3 0x4000082 kqread syz-fuzzer 33380 65413 63135 0 3 0x4000082 thrsleep syz-fuzzer 63135 465017 32223 0 3 0x10008a pause ksh 32223 381858 93768 0 3 0x92 select sshd 95654 52811 1 0 3 0x100083 ttyin getty 93768 219534 1 0 3 0x80 select sshd 27679 113469 39558 73 3 0x100090 kqread syslogd 39558 367604 1 0 3 0x100082 netio syslogd 95574 202531 1 77 2 0x100010 dhclient *65484 253696 1 0 7 0 dhclient 51383 361845 0 0 3 0x14200 bored smr 61749 436083 0 0 2 0x14200 zerothread 27674 324296 0 0 3 0x14200 aiodoned aiodoned 70756 427773 0 0 3 0x14200 syncer update 60601 236177 0 0 3 0x14200 cleaner cleaner 49549 227077 0 0 3 0x14200 reaper reaper 30947 509351 0 0 3 0x14200 pgdaemon pagedaemon 43443 395725 0 0 3 0x14200 bored crynlk 62858 417431 0 0 3 0x14200 bored crypto 63792 170930 0 0 3 0x40014200 acpi0 acpi0 49760 71268 0 0 3 0x14200 bored softnet 66606 144063 0 0 3 0x14200 bored systqmp 69084 275795 0 0 3 0x14200 bored systq 90212 479233 0 0 3 0x40014200 bored softclock 21333 399338 0 0 3 0x40014200 idle0 1 493949 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 devbuf 9458 6326K 6775K 78643K 10596 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 192 0 ifaddr 44 10K 10K 78643K 46 0 counters 21 16K 16K 78643K 21 0 ioctlops 0 0K 2K 78643K 19 0 iov 0 0K 12K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1232 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 21K 78643K 51 0 proc 47 38K 54K 78643K 358 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 181 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 117 38K 38K 78643K 973 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 10 0K 0K 78643K 10 0 temp 65 3847K 3911K 78643K 1813 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 33 0 25 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 95 0 95 1 0 1 1 0 8 1 tcpcb 544 12 0 8 1 0 1 1 0 8 0 inpcb 296 62 0 55 2 0 2 2 0 8 1 nd6 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1442 0 43 88 0 88 88 0 8 0 ffsino 240 1442 0 43 83 0 83 83 0 8 0 nchpl 144 1686 0 82 60 0 60 60 0 8 0 uvmvnodes 72 1494 0 0 28 0 28 28 0 8 0 vnodes 208 1494 0 0 79 0 79 79 0 8 0 namei 1024 4163 0 4162 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 2 0 0 1 0 1 1 0 8 0 scxspl 192 4719 0 4719 1 0 1 1 0 8 1 plimitpl 152 18 0 11 1 0 1 1 0 8 0 sigapl 424 237 0 209 4 0 4 4 0 8 0 futexpl 56 369 0 369 1 0 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipepl 272 72 0 62 1 0 1 1 0 8 0 fdescpl 432 223 0 209 2 0 2 2 0 8 0 filepl 120 1112 0 1016 4 0 4 4 0 8 1 lockfpl 104 10 0 9 1 0 1 1 0 8 0 lockfspl 48 5 0 4 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 54 0 47 1 0 1 1 0 8 0 zombiepl 144 209 0 209 1 0 1 1 0 8 1 processpl 928 237 0 209 4 0 4 4 0 8 0 procpl 624 262 0 227 3 0 3 3 0 8 0 sockpl 400 114 0 97 3 0 3 3 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl4k 4096 11 0 11 2 1 1 1 0 8 1 mcl2k 2048 88945 0 88898 14 1 13 13 0 8 6 mtagpl 96 4 0 2 2 1 1 1 0 8 0 mbufpl 256 140329 0 140232 11 3 8 8 0 8 1 bufpl 280 3304 0 125 228 0 228 228 0 8 0 anonpl 16 37934 0 23135 62 2 60 60 0 107 0 amapchunkpl 152 1165 0 1036 8 0 8 8 0 158 1 amappl16 192 990 0 192 41 0 41 41 0 8 0 amappl15 184 8 0 5 1 0 1 1 0 8 0 amappl14 176 24 0 19 1 0 1 1 0 8 0 amappl13 168 34 0 30 2 1 1 1 0 8 0 amappl12 160 14 0 7 1 0 1 1 0 8 0 amappl11 152 48 0 39 1 0 1 1 0 8 0 amappl10 144 34 0 26 1 0 1 1 0 8 0 amappl9 136 377 0 376 1 0 1 1 0 8 0 amappl8 128 326 0 286 2 0 2 2 0 8 0 amappl7 120 117 0 105 1 0 1 1 0 8 0 amappl6 112 25 0 20 2 1 1 1 0 8 0 amappl5 104 150 0 139 1 0 1 1 0 8 0 amappl4 96 422 0 395 1 0 1 1 0 8 0 amappl3 88 101 0 94 1 0 1 1 0 8 0 amappl2 80 955 0 891 3 1 2 2 0 8 0 amappl1 72 13863 0 13444 24 7 17 17 0 8 8 amappl 80 507 0 466 1 0 1 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 225 0 209 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 225 0 209 1 0 1 1 0 8 0 vmmpekpl 168 5709 0 5683 2 0 2 2 0 8 0 vmmpepl 168 34553 0 32650 157 11 146 146 0 357 63 vmsppl 272 224 0 209 2 0 2 2 0 8 0 pdppl 4096 456 0 420 5 0 5 5 0 8 0 pvpl 32 127714 0 109954 145 0 145 145 0 265 1 pmappl 200 224 0 209 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 232 0 7 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823cce79) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806975c640,0,ffff80001d6e55e8,0,0,ffff80001d6e54f4) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80699f8618,ffff80001d6e55e8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d6a9758,6,ffff80001d6e55e8,0,ffff80001d6e56d0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d6a9758,ffff80001d6e5680,ffff80001d6e56d0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e5750) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc5380, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823cce79) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806975c640,0,ffff80001d6e55e8,0,0,ffff80001d6e54f4) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80699f8618,ffff80001d6e55e8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d6a9758,6,ffff80001d6e55e8,0,ffff80001d6e56d0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d6a9758,ffff80001d6e5680,ffff80001d6e56d0) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e5750) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc5380, count: -8