ò¬Ú‰×ok‘¶ÔAèqÏ|Ï®¥6~ÒuQ¼'äÖ‡eÇ7<´ž¤dd횤D=Û/kkiœeÿa¼‹ƒó¹¤èµ9panic: receive 1: so 0xfffffd8069437000, so_type 3, sb_cc 3130 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *155965 12153 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821d52cd) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8069437000,0,ffff80001d762638,0,0,ffff80001d762544) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80695f44b0,ffff80001d762638,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d7294e8,6,ffff80001d762638,0,ffff80001d762720) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d7294e8,ffff80001d7626d0,ffff80001d762720) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d7627a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0020, 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 0xfffffd8069437000, so_type 3, sb_cc 3130 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821d52cd) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8069437000,0,ffff80001d762638,0,0,ffff80001d762544) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80695f44b0,ffff80001d762638,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d7294e8,6,ffff80001d762638,0,ffff80001d762720) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d7294e8,ffff80001d7626d0,ffff80001d762720) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d7627a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0020, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d762380 rbx 0xffff80001d762430 rdx 0x2 rcx 0 rax 0x1 r8 0xffffffff81fc7a4f kprintf+0x15f r9 0x1 r10 0x2 r11 0x12ad549bab78f9e4 r12 0x3000000008 r13 0xffff80001d762390 r14 0x100 r15 0x1 rip 0xffffffff81be2568 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d762370 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=155965 stat=onproc flags process=0 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d729ea8,0xffff80001d7299d8 process=0xffff8000ffffae70 user=0xffff80001d75d000, vmspace=0xfffffd806bc0a660 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 27765 153617 33700 0 2 0 syz-executor.0 27765 189245 33700 0 2 0x4000000 syz-executor.0 41693 98419 40824 0 3 0x80 nanosleep syz-executor.1 41693 407118 40824 0 3 0x4000080 netio syz-executor.1 41693 324899 40824 0 3 0x4000080 netio syz-executor.1 41693 368140 40824 0 3 0x4000080 netio syz-executor.1 41693 371971 40824 0 3 0x4000080 fsleep syz-executor.1 40824 170845 86242 0 3 0x82 nanosleep syz-executor.1 33700 523526 86242 0 3 0x82 nanosleep syz-executor.0 78461 210621 0 0 3 0x14280 nfsidl nfsio 88619 189870 0 0 3 0x14280 nfsidl nfsio 23428 515895 0 0 3 0x14280 nfsidl nfsio 44702 508752 0 0 3 0x14280 nfsidl nfsio 85309 131729 0 0 3 0x14280 nfsidl nfsio 17791 500359 0 0 3 0x14280 nfsidl nfsio 11011 221101 0 0 3 0x14280 nfsidl nfsio 80837 15392 0 0 3 0x14280 nfsidl nfsio 40933 302972 0 0 3 0x14280 nfsidl nfsio 68718 62201 0 0 3 0x14280 nfsidl nfsio 65909 227651 0 0 3 0x14280 nfsidl nfsio 37255 78673 0 0 3 0x14280 nfsidl nfsio 68193 90915 0 0 3 0x14280 nfsidl nfsio 19337 449659 0 0 3 0x14280 nfsidl nfsio 18912 520929 0 0 3 0x14280 nfsidl nfsio 62058 163 0 0 3 0x14280 nfsidl nfsio 41822 5302 0 0 3 0x14280 nfsidl nfsio 39590 438859 0 0 3 0x14280 nfsidl nfsio 50499 465452 0 0 3 0x14280 nfsidl nfsio 51389 197008 0 0 3 0x14280 nfsidl nfsio 78201 336758 0 0 3 0x14200 bored sosplice 86242 105384 47748 0 3 0x82 thrsleep syz-fuzzer 86242 354647 47748 0 3 0x4000082 thrsleep syz-fuzzer 86242 520876 47748 0 3 0x4000082 kqread syz-fuzzer 86242 446047 47748 0 3 0x4000082 thrsleep syz-fuzzer 86242 301040 47748 0 3 0x4000082 thrsleep syz-fuzzer 86242 103008 47748 0 3 0x4000082 thrsleep syz-fuzzer 86242 177632 47748 0 3 0x4000082 thrsleep syz-fuzzer 86242 380835 47748 0 3 0x4000082 thrsleep syz-fuzzer 47748 401397 42115 0 3 0x10008a pause ksh 42115 24182 70905 0 3 0x92 select sshd 59699 80008 1 0 3 0x100083 ttyin getty 70905 50753 1 0 3 0x80 select sshd 17782 38202 26913 73 3 0x100090 kqread syslogd 26913 240814 1 0 3 0x100082 netio syslogd 33309 327354 1 77 2 0x100010 dhclient *12153 155965 1 0 7 0 dhclient 29178 326491 0 0 3 0x14200 bored smr 99435 106473 0 0 2 0x14200 zerothread 70346 370124 0 0 3 0x14200 aiodoned aiodoned 52247 503027 0 0 3 0x14200 syncer update 15125 273199 0 0 3 0x14200 cleaner cleaner 6945 68956 0 0 3 0x14200 reaper reaper 56514 256378 0 0 3 0x14200 pgdaemon pagedaemon 36052 103271 0 0 3 0x14200 bored crynlk 7696 437936 0 0 3 0x14200 bored crypto 33854 208046 0 0 3 0x40014200 acpi0 acpi0 72631 117720 0 0 3 0x14200 bored softnet 10467 209497 0 0 3 0x14200 bored systqmp 33543 399983 0 0 3 0x14200 bored systq 85420 371472 0 0 3 0x40014200 bored softclock 79240 25481 0 0 3 0x40014200 idle0 1 244145 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 9517 6350K 6735K 78643K 11173 0 pcb 13 8K 8K 78643K 105 0 rtable 85 3K 7K 78643K 814 0 ifaddr 85 16K 16K 78643K 214 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 30 0 ioctlops 0 0K 4K 78643K 93 0 iov 0 0K 16K 78643K 84 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1461 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 0K 0K 78643K 2 0 sem 12 1K 1K 78643K 45 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 527 0 sigio 0 0K 0K 78643K 19 0 proc 49 38K 63K 78643K 485 0 subproc 32 2K 2K 78643K 68 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 40 0 in_multi 58 3K 3K 78643K 135 0 ether_multi 1 0K 0K 78643K 12 0 mrt 0 0K 0K 78643K 5 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 255 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 137 104K 105K 78643K 2262 0 UVM aobj 16 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 46 0 NDP 14 0K 0K 78643K 33 0 temp 125 3040K 3104K 78643K 47468 0 kqueue 3 4K 25K 78643K 53 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 4 1 0 1 1 0 8 0 rtpcb 80 207 0 205 1 0 1 1 0 8 0 rtentry 112 79 0 48 3 1 2 2 0 8 0 unpcb 120 405 0 393 1 0 1 1 0 8 0 syncache 264 12 0 12 2 1 1 1 0 8 1 tcpqe 32 24 0 24 2 2 0 1 0 8 0 tcpcb 544 186 0 181 1 0 1 1 0 8 0 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 280 894 0 886 2 0 2 2 0 8 1 rttmr 72 2 0 2 1 0 1 1 0 8 1 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 48 15 0 10 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 pfrktable 1344 86 0 85 2 1 1 1 0 8 0 pftag 88 18 0 16 2 1 1 1 0 8 0 pfrule 1360 27 0 19 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 397 0 242 14 3 11 12 0 8 0 art_table 32 398 0 242 2 0 2 2 0 8 0 art_node 16 78 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 12 1 0 1 1 0 8 0 semupl 112 6 0 6 3 3 0 1 0 8 0 semapl 112 31 0 21 1 0 1 1 0 8 0 shmpl 112 18 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2095 0 700 88 0 88 88 0 8 0 ffsino 240 2095 0 700 83 0 83 83 0 8 0 nchpl 144 2951 0 1361 60 0 60 60 0 8 0 uvmvnodes 72 2297 0 0 42 0 42 42 0 8 0 vnodes 208 2297 0 0 121 0 121 121 0 8 0 namei 1024 8091 0 8091 1 0 1 1 0 8 1 vcpupl 1984 9 0 0 2 0 2 2 0 8 0 vmpool 528 9 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 24 0 24 2 2 0 1 0 8 0 scsiplug 64 3 0 3 2 1 1 1 0 8 1 scxspl 192 8718 0 8718 1 0 1 1 0 8 1 plimitpl 152 63 0 56 1 0 1 1 0 8 0 sigapl 424 732 0 682 6 0 6 6 0 8 0 futexpl 56 10279 0 10278 1 0 1 1 0 8 0 knotepl 112 215 0 196 3 2 1 3 0 8 0 kqueuepl 144 92 0 90 1 0 1 1 0 8 0 pipelkpl 16 144 0 134 1 0 1 1 0 8 0 pipepl 120 288 0 269 1 0 1 1 0 8 0 fdescpl 432 693 0 678 2 0 2 2 0 8 0 filepl 120 4369 0 4269 4 0 4 4 0 8 0 lockfpl 104 125 0 124 1 0 1 1 0 8 0 lockfspl 48 40 0 39 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 385 0 378 1 0 1 1 0 8 0 zombiepl 144 682 0 682 1 0 1 1 0 8 1 processpl 920 732 0 682 7 0 7 7 0 8 0 procpl 624 1463 0 1401 6 1 5 6 0 8 0 sosppl 128 14 0 14 2 2 0 1 0 8 0 sockpl 400 1510 0 1488 6 2 4 4 0 8 1 mcl64k 65536 37 0 37 3 2 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 13 0 13 2 2 0 1 0 8 0 mcl9k 9216 4 0 4 2 2 0 1 0 8 0 mcl8k 8192 23 0 23 3 2 1 1 0 8 1 mcl4k 4096 58 0 58 2 1 1 1 0 8 1 mcl2k2 2112 3 0 2 2 1 1 1 0 8 0 mcl2k 2048 74453 0 74413 14 8 6 11 0 8 0 mtagpl 80 40 0 12 2 1 1 1 0 8 0 mbufpl 256 122406 0 122200 20 1 19 19 0 8 1 bufpl 280 4723 0 131 328 0 328 328 0 8 0 anonpl 16 82901 0 67156 80 16 64 79 0 107 0 amapchunkpl 152 4296 0 4159 27 21 6 19 0 158 0 amappl16 192 3344 0 2452 58 12 46 55 0 8 0 amappl15 184 108 0 105 1 0 1 1 0 8 0 amappl14 176 31 0 23 1 0 1 1 0 8 0 amappl13 168 147 0 143 1 0 1 1 0 8 0 amappl12 160 134 0 131 1 0 1 1 0 8 0 amappl11 152 305 0 291 1 0 1 1 0 8 0 amappl10 144 23 0 15 1 0 1 1 0 8 0 amappl9 136 326 0 325 1 0 1 1 0 8 0 amappl8 128 377 0 334 2 0 2 2 0 8 0 amappl7 120 116 0 105 1 0 1 1 0 8 0 amappl6 112 267 0 258 1 0 1 1 0 8 0 amappl5 104 723 0 712 1 0 1 1 0 8 0 amappl4 96 657 0 629 1 0 1 1 0 8 0 amappl3 88 122 0 117 1 0 1 1 0 8 0 amappl2 80 4596 0 4523 2 0 2 2 0 8 0 amappl1 72 22103 0 21667 23 14 9 17 0 8 0 amappl 80 1717 0 1668 3 1 2 2 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 19 0 4 1 0 1 1 0 8 0 uaddrrnd 24 702 0 678 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 702 0 678 1 0 1 1 0 8 0 vmmpekpl 168 8456 0 8425 2 0 2 2 0 8 0 vmmpepl 168 89518 0 87377 142 36 106 125 0 357 12 vmsppl 272 701 0 678 2 0 2 2 0 8 0 pdppl 4096 1410 0 1365 7 1 6 6 0 8 0 pvpl 32 244614 0 226205 185 32 153 182 0 265 2 pmappl 200 701 0 678 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 258 0 24 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(ffffffff821d52cd) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8069437000,0,ffff80001d762638,0,0,ffff80001d762544) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80695f44b0,ffff80001d762638,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d7294e8,6,ffff80001d762638,0,ffff80001d762720) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d7294e8,ffff80001d7626d0,ffff80001d762720) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d7627a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0020, 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(ffffffff821d52cd) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd8069437000,0,ffff80001d762638,0,0,ffff80001d762544) at soreceive+0x16ac sys/kern/uipc_socket.c:823 soo_read(fffffd80695f44b0,ffff80001d762638,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff80001d7294e8,6,ffff80001d762638,0,ffff80001d762720) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff80001d7294e8,ffff80001d7626d0,ffff80001d762720) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d7627a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd0020, count: -8