ò¬Ú‰×ok‘¶ÔAèqÏ|Ï®¥6~ÒuQ¼'äÖ‡eÇ7<´ž¤dd횤D=Û/kkiœeÿa¼‹ƒó¹¤èµ9panic: receive 1: so 0xfffffd805e564320, so_type 3, sb_cc 3652 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 9649 12954 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821bdd5d) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd805e564320,0,ffff80001d3729a8,0,0,ffff80001d3728b4) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80605f2348,ffff80001d3729a8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d3394e8,6,ffff80001d3729a8,0,ffff80001d372a90) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d3394e8,ffff80001d372a40,ffff80001d372a90) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d372b10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc3f80, 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 1: so 0xfffffd805e564320, so_type 3, sb_cc 3652 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821bdd5d) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd805e564320,0,ffff80001d3729a8,0,0,ffff80001d3728b4) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80605f2348,ffff80001d3729a8,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d3394e8,6,ffff80001d3729a8,0,ffff80001d372a90) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d3394e8,ffff80001d372a40,ffff80001d372a90) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d372b10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc3f80, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d3726f0 rbx 0xffff80001d3727a0 rdx 0x2 rcx 0 rax 0 r8 0xffff80001d3726b0 r9 0x1 r10 0 r11 0x61782c292f39dc1e r12 0x3000000008 r13 0xffff80001d372700 r14 0x100 r15 0x1 rip 0xffffffff81248ab8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d3726e0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=9649 stat=onproc flags process=0 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80001d33a5f8,0xffff80001d339288 process=0xffff8000ffffa390 user=0xffff80001d36d000, vmspace=0xfffffd806bc0a330 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 13190 429303 31094 0 2 0 syz-executor.1 13190 299188 31094 0 2 0x4000000 syz-executor.1 83388 380309 52777 0 2 0 syz-executor.0 83388 459334 52777 0 3 0x4000080 fsleep syz-executor.0 53358 46012 0 0 3 0x14200 bored sosplice 52777 218809 85226 0 3 0x82 nanosleep syz-executor.0 31094 178532 85226 0 3 0x82 nanosleep syz-executor.1 85226 33219 24634 0 3 0x82 thrsleep syz-fuzzer 85226 371138 24634 0 3 0x4000082 thrsleep syz-fuzzer 85226 24492 24634 0 3 0x4000082 kqread syz-fuzzer 85226 507680 24634 0 3 0x4000082 thrsleep syz-fuzzer 85226 158953 24634 0 3 0x4000082 thrsleep syz-fuzzer 85226 321620 24634 0 3 0x4000082 thrsleep syz-fuzzer 85226 240186 24634 0 3 0x4000082 thrsleep syz-fuzzer 85226 172904 24634 0 3 0x4000082 thrsleep syz-fuzzer 24634 470322 46137 0 3 0x10008a pause ksh 46137 388941 33229 0 3 0x92 select sshd 67384 151448 1 0 3 0x100083 ttyin getty 33229 266342 1 0 3 0x80 select sshd 28930 94268 41225 73 3 0x100090 kqread syslogd 41225 28345 1 0 3 0x100082 netio syslogd 11284 140966 1 77 2 0x100010 dhclient *12954 9649 1 0 7 0 dhclient 848 144217 0 0 3 0x14200 bored smr 1880 169818 0 0 2 0x14200 zerothread 85186 335328 0 0 3 0x14200 aiodoned aiodoned 28440 209862 0 0 3 0x14200 syncer update 86341 41356 0 0 3 0x14200 cleaner cleaner 28846 523060 0 0 3 0x14200 reaper reaper 33276 406909 0 0 3 0x14200 pgdaemon pagedaemon 73279 267625 0 0 3 0x14200 bored crynlk 60540 72058 0 0 3 0x14200 bored crypto 39563 2687 0 0 3 0x40014200 acpi0 acpi0 78206 514847 0 0 2 0x14200 softnet 79733 353365 0 0 3 0x14200 bored systqmp 66525 15613 0 0 3 0x14200 bored systq 64230 2724 0 0 3 0x40014200 bored softclock 22494 148055 0 0 3 0x40014200 idle0 1 27500 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 9521 6352K 7508K 78643K 12067 0 pcb 13 8K 8K 78643K 67 0 rtable 108 3K 3K 78643K 336 0 ifaddr 90 16K 16K 78643K 114 0 counters 22 16K 16K 78643K 24 0 ioctlops 0 0K 2K 78643K 28 0 iov 0 0K 12K 78643K 38 0 mount 1 1K 1K 78643K 1 0 vnodes 1234 78K 78K 78643K 1615 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 386 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 497 0 sigio 0 0K 0K 78643K 2 0 proc 50 38K 54K 78643K 431 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 512 0 in_multi 60 3K 3K 78643K 110 0 ether_multi 1 0K 0K 78643K 8 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 474 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 105 37K 47K 78643K 1946 0 UVM aobj 70 5K 5K 78643K 72 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 42 0 NDP 15 0K 0K 78643K 26 0 temp 126 3014K 3078K 78643K 6311 0 kqueue 3 4K 16K 78643K 29 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 10 0 3 1 0 1 1 0 8 0 rtpcb 80 31 0 29 1 0 1 1 0 8 0 rtentry 112 83 0 39 2 0 2 2 0 8 0 unpcb 120 156 0 147 1 0 1 1 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpqe 32 122 0 122 2 2 0 1 0 8 0 tcpcb 544 144 0 139 1 0 1 1 0 8 0 inpcb 280 649 0 640 2 0 2 2 0 8 1 nd6 48 22 0 17 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 437 0 241 15 0 15 15 0 8 1 art_table 32 439 0 241 2 0 2 2 0 8 0 art_node 16 82 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 37 0 29 2 1 1 1 0 8 0 semupl 112 7 0 7 1 1 0 1 0 8 0 semapl 112 377 0 367 1 0 1 1 0 8 0 shmpl 112 70 0 2 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1996 0 598 46 0 46 46 0 8 0 ffsino 240 1996 0 598 83 0 83 83 0 8 0 nchpl 144 3339 0 1750 60 0 60 60 0 8 0 uvmvnodes 72 2385 0 0 44 0 44 44 0 8 0 vnodes 208 2385 0 0 126 0 126 126 0 8 0 namei 1024 11074 0 11074 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 2 0 0 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 8306 0 8306 1 0 1 1 0 8 1 plimitpl 152 23 0 16 1 0 1 1 0 8 0 sigapl 424 681 0 651 4 0 4 4 0 8 0 futexpl 56 12673 0 12672 1 0 1 1 0 8 0 knotepl 112 107 0 88 1 0 1 1 0 8 0 kqueuepl 144 131 0 129 1 0 1 1 0 8 0 pipelkpl 16 117 0 107 1 0 1 1 0 8 0 pipepl 120 234 0 215 1 0 1 1 0 8 0 fdescpl 432 666 0 651 2 0 2 2 0 8 0 filepl 120 6451 0 6352 4 0 4 4 0 8 0 lockfpl 104 81 0 80 1 0 1 1 0 8 0 lockfspl 48 25 0 24 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 59 0 49 1 0 1 1 0 8 0 ucredpl 96 2589 0 2582 1 0 1 1 0 8 0 zombiepl 144 651 0 651 1 0 1 1 0 8 1 processpl 896 681 0 651 4 0 4 4 0 8 0 procpl 624 1206 0 1167 4 0 4 4 0 8 1 sosppl 128 7 0 7 2 1 1 1 0 8 1 sockpl 400 836 0 816 4 0 4 4 0 8 1 mcl64k 65536 20 0 20 2 1 1 1 0 8 1 mcl16k 16384 5 0 5 2 1 1 1 0 8 1 mcl12k 12288 2 0 2 2 1 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 15 0 15 2 1 1 1 0 8 1 mcl4k 4096 284 0 284 2 1 1 1 0 8 1 mcl2k 2048 65372 0 65322 15 8 7 13 0 8 0 mtagpl 80 41 0 2 2 1 1 1 0 8 0 mbufpl 256 106783 0 106525 22 1 21 21 0 8 0 bufpl 280 4811 0 160 333 0 333 333 0 8 0 anonpl 16 74875 0 58716 90 9 81 81 0 107 16 amapchunkpl 152 3557 0 3423 19 6 13 19 0 158 7 amappl16 192 3313 0 2423 64 11 53 56 0 8 8 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 194 0 190 2 1 1 1 0 8 0 amappl13 168 218 0 215 1 0 1 1 0 8 0 amappl12 160 73 0 73 2 2 0 1 0 8 0 amappl11 152 74 0 61 1 0 1 1 0 8 0 amappl10 144 21 0 16 1 0 1 1 0 8 0 amappl9 136 378 0 374 1 0 1 1 0 8 0 amappl8 128 288 0 269 1 0 1 1 0 8 0 amappl7 120 111 0 100 1 0 1 1 0 8 0 amappl6 112 21 0 18 1 0 1 1 0 8 0 amappl5 104 475 0 463 1 0 1 1 0 8 0 amappl4 96 832 0 799 1 0 1 1 0 8 0 amappl3 88 299 0 292 1 0 1 1 0 8 0 amappl2 80 4453 0 4380 3 1 2 3 0 8 0 amappl1 72 20905 0 20479 27 18 9 20 0 8 0 amappl 80 1452 0 1408 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 71 0 2 2 0 2 2 0 8 0 uaddrrnd 24 668 0 651 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 668 0 651 1 0 1 1 0 8 0 vmmpekpl 168 7801 0 7773 2 0 2 2 0 8 0 vmmpepl 168 84836 0 82786 126 17 109 117 0 357 19 vmsppl 272 667 0 651 2 0 2 2 0 8 0 pdppl 4096 1342 0 1304 6 1 5 6 0 8 0 pvpl 32 219833 0 200608 194 7 187 187 0 265 31 pmappl 200 667 0 651 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 168 0 16 5 0 5 5 0 8 0