`‹+'þZúûAÿÿ«{t7(‘ÿ¯×x7á9eÞÿþ`‹+'þZúûAÿÿ«{t7(‘ÿ¯×x7á9eÞÿþpanic: receive 1a: so 0xfffffd805e564000, so_type 3, m 0xfffffd806b839500, m_type 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *167202 44598 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821b709f) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd805e564000,0,ffff80001d3724a8,0,0,ffff80001d3723b4) at soreceive+0x170a sys/kern/uipc_socket.c:977 soo_read(fffffd805eb125a0,ffff80001d3724a8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d339008,6,ffff80001d3724a8,0,ffff80001d372590) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d339008,ffff80001d372540,ffff80001d372590) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d372610) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9e30, 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 0xfffffd805e564000, so_type 3, m 0xfffffd806b839500, m_type 0 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821b709f) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd805e564000,0,ffff80001d3724a8,0,0,ffff80001d3723b4) at soreceive+0x170a sys/kern/uipc_socket.c:977 soo_read(fffffd805eb125a0,ffff80001d3724a8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d339008,6,ffff80001d3724a8,0,ffff80001d372590) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d339008,ffff80001d372540,ffff80001d372590) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d372610) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe9e30, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d3721f0 rbx 0xffff80001d3722a0 rdx 0x2 rcx 0 rax 0 r8 0xffff80001d3721b0 r9 0x1 r10 0 r11 0xe0efd5a5769e9b7 r12 0x3000000008 r13 0xffff80001d372200 r14 0x100 r15 0x1 rip 0xffffffff81d79408 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d3721e0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=167202 stat=onproc flags process=0 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d33a388,0xffff80001d339768 process=0xffff8000ffffa710 user=0xffff80001d36d000, vmspace=0xfffffd806bc09220 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 32879 435219 56932 0 2 0 syz-executor.1 32879 368920 56932 0 3 0x4000080 fsleep syz-executor.1 39854 258137 87282 0 2 0 syz-executor.0 39854 129931 87282 0 2 0x4000000 syz-executor.0 80405 145876 0 0 3 0x14200 bored sosplice 56932 463932 77828 0 3 0x82 nanosleep syz-executor.1 87282 428854 77828 0 3 0x82 nanosleep syz-executor.0 77828 247840 68620 0 3 0x82 thrsleep syz-fuzzer 77828 167469 68620 0 3 0x4000082 thrsleep syz-fuzzer 77828 36900 68620 0 3 0x4000082 thrsleep syz-fuzzer 77828 121382 68620 0 3 0x4000082 thrsleep syz-fuzzer 77828 148641 68620 0 3 0x4000082 thrsleep syz-fuzzer 77828 84591 68620 0 3 0x4000082 kqread syz-fuzzer 77828 343990 68620 0 3 0x4000082 thrsleep syz-fuzzer 68620 307820 92182 0 3 0x10008a pause ksh 92182 314203 94617 0 3 0x92 select sshd 99464 200392 1 0 3 0x100083 ttyin getty 94617 343230 1 0 3 0x80 select sshd 73071 396933 94338 73 3 0x100090 kqread syslogd 94338 191572 1 0 3 0x100082 netio syslogd 78315 125359 1 77 2 0x100010 dhclient *44598 167202 1 0 7 0 dhclient 24661 352296 0 0 2 0x14200 zerothread 94173 109057 0 0 3 0x14200 aiodoned aiodoned 33958 47562 0 0 3 0x14200 syncer update 64391 239164 0 0 3 0x14200 cleaner cleaner 11997 49134 0 0 3 0x14200 reaper reaper 71258 153363 0 0 3 0x14200 pgdaemon pagedaemon 83236 112834 0 0 3 0x14200 bored crynlk 21635 123911 0 0 3 0x14200 bored crypto 73046 230361 0 0 3 0x40014200 acpi0 acpi0 20185 174160 0 0 3 0x14200 bored softnet 12167 317976 0 0 3 0x14200 bored systqmp 52986 169288 0 0 3 0x14200 bored systq 65420 504882 0 0 3 0x40014200 bored softclock 37626 355521 0 0 3 0x40014200 idle0 15310 452860 0 0 3 0x14200 bored smr 1 391657 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 9499 6471K 6727K 78643K 10910 0 pcb 13 8K 8K 78643K 69 0 rtable 107 3K 3K 78643K 254 0 ifaddr 70 15K 15K 78643K 110 0 counters 21 16K 16K 78643K 28 0 ioctlops 0 0K 2K 78643K 21 0 iov 0 0K 24K 78643K 45 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1341 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 127 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 209 0 sigio 0 0K 0K 78643K 4 0 proc 49 38K 63K 78643K 365 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 73 0 in_multi 65 3K 3K 78643K 83 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 210 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 100 21K 22K 78643K 1322 0 UVM aobj 69 3K 3K 78643K 71 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 50 0 NDP 10 0K 0K 78643K 21 0 temp 119 3021K 3085K 78643K 8300 0 kqueue 3 4K 8K 78643K 13 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 7 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 48 0 3 2 0 2 2 0 8 0 unpcb 120 151 0 143 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 614 0 614 3 2 1 2 0 8 1 tcpcb 544 151 0 147 2 0 2 2 0 8 1 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 431 0 421 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 7 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 197 0 9 13 1 12 13 0 8 0 art_table 32 198 0 9 2 0 2 2 0 8 0 art_node 16 47 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 16 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 123 0 113 1 0 1 1 0 8 0 shmpl 112 69 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1689 0 291 46 0 46 46 0 8 0 ffsino 240 1689 0 291 83 0 83 83 0 8 0 nchpl 144 2313 0 702 60 0 60 60 0 8 0 uvmvnodes 72 1808 0 0 33 0 33 33 0 8 0 vnodes 208 1808 0 0 96 0 96 96 0 8 0 namei 1024 6018 0 6018 1 0 1 1 0 8 1 scxspl 192 6296 0 6296 1 0 1 1 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 432 380 0 366 2 0 2 2 0 8 0 futexpl 56 6596 0 6595 1 0 1 1 0 8 0 knotepl 112 65 0 46 1 0 1 1 0 8 0 kqueuepl 144 35 0 33 1 0 1 1 0 8 0 pipelkpl 16 121 0 111 1 0 1 1 0 8 0 pipepl 120 242 0 223 1 0 1 1 0 8 0 fdescpl 432 381 0 366 2 0 2 2 0 8 0 filepl 120 2931 0 2835 4 0 4 4 0 8 1 lockfpl 104 45 0 44 1 0 1 1 0 8 0 lockfspl 48 17 0 16 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 63 0 53 1 0 1 1 0 8 0 ucredpl 96 215 0 208 1 0 1 1 0 8 0 zombiepl 144 367 0 367 1 0 1 1 0 8 1 processpl 896 397 0 367 4 0 4 4 0 8 0 procpl 624 643 0 605 4 0 4 4 0 8 1 sosppl 128 3 0 3 1 0 1 1 0 8 1 sockpl 400 617 0 600 4 0 4 4 0 8 2 mcl64k 65536 23 0 21 1 0 1 1 0 8 0 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl12k 12288 10 0 10 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 11 0 11 1 0 1 1 0 8 1 mcl4k 4096 36 0 36 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 64124 0 64057 27 17 10 23 0 8 1 mtagpl 80 14 0 2 2 1 1 1 0 8 0 mbufpl 256 104085 0 103745 34 5 29 30 0 8 7 bufpl 280 4295 0 164 296 0 296 296 0 8 0 anonpl 16 51457 0 35013 80 7 73 78 0 107 6 amapchunkpl 152 1631 0 1484 11 0 11 11 0 158 4 amappl16 192 1965 0 1071 53 8 45 53 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 5 0 3 2 1 1 1 0 8 0 amappl13 168 32 0 30 1 0 1 1 0 8 0 amappl12 160 17 0 16 2 1 1 1 0 8 0 amappl11 152 157 0 143 1 0 1 1 0 8 0 amappl10 144 99 0 92 1 0 1 1 0 8 0 amappl9 136 372 0 369 1 0 1 1 0 8 0 amappl8 128 273 0 254 1 0 1 1 0 8 0 amappl7 120 187 0 176 1 0 1 1 0 8 0 amappl6 112 116 0 109 1 0 1 1 0 8 0 amappl5 104 334 0 321 1 0 1 1 0 8 0 amappl4 96 434 0 408 1 0 1 1 0 8 0 amappl3 88 114 0 106 1 0 1 1 0 8 0 amappl2 80 2223 0 2151 3 1 2 3 0 8 0 amappl1 72 16606 0 16194 27 18 9 20 0 8 0 amappl 80 868 0 823 2 0 2 2 0 84 1 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 70 0 2 2 0 2 2 0 8 0 uaddrrnd 24 381 0 366 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 381 0 366 1 0 1 1 0 8 0 vmmpekpl 168 6665 0 6640 2 0 2 2 0 8 0 vmmpepl 168 52182 0 50145 117 17 100 109 0 357 11 vmsppl 272 380 0 366 2 1 1 2 0 8 0 pdppl 4096 768 0 732 6 1 5 6 0 8 0 pvpl 32 162219 0 142724 184 5 179 184 0 265 21 pmappl 200 380 0 366 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 187 0 28 5 0 5 5 0 8 0