g Ăg Ăpanic: receive 1a: so 0xfffffd8067757640, so_type 3, m 0xfffffd805a911100, m_type 0 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *192681 24325 0 0 0 0 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823d4498) at panic+0x164 sys/kern/subr_prf.c:218 soreceive(fffffd8067757640,0,ffff80001d6e1738,0,0,ffff80001d6e1644) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80677f17f8,ffff80001d6e1738,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff8000ffff8ed8,6,ffff80001d6e1738,0,ffff80001d6e1820) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff8000ffff8ed8,ffff80001d6e17d0,ffff80001d6e1820) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e18a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9f80, 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 0xfffffd8067757640, so_type 3, m 0xfffffd805a911100, m_type 0 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff823d4498) at panic+0x164 sys/kern/subr_prf.c:218 soreceive(fffffd8067757640,0,ffff80001d6e1738,0,0,ffff80001d6e1644) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80677f17f8,ffff80001d6e1738,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff8000ffff8ed8,6,ffff80001d6e1738,0,ffff80001d6e1820) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff8000ffff8ed8,ffff80001d6e17d0,ffff80001d6e1820) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e18a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9f80, count: -8 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d6e1480 rbx 0xffff80001d6e1530 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff80001d6e1440 r9 0xffffffff8122fb1f kprintf+0x15f r10 0x1 r11 0xc8ba893d89357fee r12 0x3000000008 r13 0xffff80001d6e1490 r14 0x100 r15 0x1 rip 0xffffffff81b1d038 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d6e1470 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (dhclient) pid=192681 stat=onproc flags process=0 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff8770,0xffff8000ffff93d8 process=0xffff80001d6c0770 user=0xffff80001d6dc000, vmspace=0xfffffd806bc09990 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 53125 3704 57149 0 2 0 syz-executor.0 53125 166128 57149 0 2 0x4000000 syz-executor.0 26957 367414 70244 0 2 0 syz-executor.1 26957 399923 70244 0 3 0x4000080 kqread syz-executor.1 57149 301156 38660 0 3 0x82 nanosleep syz-executor.0 70244 109491 38660 0 3 0x82 nanosleep syz-executor.1 68689 186227 0 0 3 0x14200 acct acct 20115 493630 0 0 3 0x14280 nfsidl nfsio 75725 31232 0 0 3 0x14280 nfsidl nfsio 85397 207653 0 0 3 0x14280 nfsidl nfsio 28991 153102 0 0 3 0x14280 nfsidl nfsio 41961 213033 0 0 3 0x14280 nfsidl nfsio 52391 258135 0 0 3 0x14280 nfsidl nfsio 27694 206072 0 0 3 0x14280 nfsidl nfsio 72282 512789 0 0 3 0x14280 nfsidl nfsio 82625 142376 0 0 3 0x14280 nfsidl nfsio 89021 279575 0 0 3 0x14280 nfsidl nfsio 10291 2867 0 0 3 0x14280 nfsidl nfsio 37874 133401 0 0 3 0x14280 nfsidl nfsio 35854 514949 0 0 3 0x14280 nfsidl nfsio 13827 37586 0 0 3 0x14280 nfsidl nfsio 28704 186745 0 0 3 0x14280 nfsidl nfsio 6100 92586 0 0 3 0x14280 nfsidl nfsio 65817 195191 0 0 3 0x14280 nfsidl nfsio 71751 118579 0 0 3 0x14280 nfsidl nfsio 90564 200542 0 0 3 0x14280 nfsidl nfsio 51230 69306 0 0 3 0x14280 nfsidl nfsio 41880 335899 0 0 3 0x14200 bored sosplice 38660 470562 86787 0 3 0x82 thrsleep syz-fuzzer 38660 398528 86787 0 3 0x4000082 thrsleep syz-fuzzer 38660 122107 86787 0 3 0x4000082 thrsleep syz-fuzzer 38660 217986 86787 0 3 0x4000082 thrsleep syz-fuzzer 38660 430869 86787 0 3 0x4000082 thrsleep syz-fuzzer 38660 5172 86787 0 3 0x4000082 kqread syz-fuzzer 86787 19499 43691 0 3 0x10008a pause ksh 43691 201899 96677 0 3 0x92 select sshd 77285 9517 1 0 3 0x100083 ttyin getty 96677 191117 1 0 3 0x80 select sshd 40223 289442 63434 73 3 0x100090 kqread syslogd 63434 174901 1 0 3 0x100082 netio syslogd 84768 206439 1 77 2 0x100010 dhclient *24325 192681 1 0 7 0 dhclient 87200 126856 0 0 3 0x14200 bored smr 70569 182632 0 0 2 0x14200 zerothread 92504 322129 0 0 3 0x14200 aiodoned aiodoned 960 93233 0 0 3 0x14200 syncer update 53243 158834 0 0 3 0x14200 cleaner cleaner 53292 264266 0 0 3 0x14200 reaper reaper 94488 453663 0 0 3 0x14200 pgdaemon pagedaemon 80437 143405 0 0 3 0x14200 bored crynlk 77252 453261 0 0 3 0x14200 bored crypto 18400 354574 0 0 3 0x40014200 acpi0 acpi0 20027 239212 0 0 3 0x14200 bored softnet 44694 93973 0 0 2 0x14200 systqmp 16047 313047 0 0 3 0x14200 bored systq 78007 12928 0 0 3 0x40014200 bored softclock 48393 206407 0 0 3 0x40014200 idle0 1 369549 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 9496 6413K 6928K 78643K 11626 0 pcb 13 8K 8K 78643K 111 0 rtable 101 12K 15K 78643K 631 0 ifaddr 73 15K 16K 78643K 212 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 30 0 ioctlops 0 0K 4K 78643K 154 0 iov 0 0K 16K 78643K 327 0 mount 1 1K 1K 78643K 1 0 vnodes 1231 77K 78K 78643K 1647 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 124 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 701 0 sigio 0 0K 0K 78643K 4 0 proc 52 38K 55K 78643K 521 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 38 0 in_multi 81 4K 4K 78643K 179 0 ether_multi 1 0K 0K 78643K 20 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 272 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 148 89K 89K 78643K 2636 0 UVM aobj 29 2K 2K 78643K 35 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 75 0 NDP 11 0K 0K 78643K 33 0 temp 119 3864K 3941K 78643K 27097 0 kqueue 3 4K 9K 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 15 0 8 1 0 1 1 0 8 0 rtpcb 88 71 0 69 1 0 1 1 0 8 0 rtentry 112 105 0 69 2 0 2 2 0 8 0 unpcb 120 351 0 343 1 0 1 1 0 8 0 syncache 272 14 0 14 3 2 1 1 0 8 1 tcpqe 32 169 0 169 2 2 0 1 0 8 0 tcpcb 592 406 0 385 5 3 2 3 0 8 0 inpcb 296 1077 0 1067 3 1 2 2 0 8 1 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 24 0 18 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfstscr 40 4 0 4 2 1 1 1 0 8 1 pfrktable 1344 76 0 75 1 0 1 1 0 8 0 pftag 88 12 0 12 3 3 0 1 0 8 0 pfstkey 112 3 0 3 2 1 1 1 0 8 1 pfstate 328 3 0 3 2 1 1 1 0 8 1 pfrule 1360 34 0 24 2 1 1 2 0 8 0 art_heap8 4096 3 0 1 2 0 2 2 0 8 0 art_heap4 256 569 0 374 18 5 13 17 0 8 0 art_table 32 572 0 375 3 1 2 3 0 8 0 art_node 16 103 0 69 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 26 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 122 0 112 1 0 1 1 0 8 0 shmpl 112 32 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2433 0 1033 88 0 88 88 0 8 0 ffsino 240 2433 0 1033 83 0 83 83 0 8 0 nchpl 144 3586 0 2004 60 0 60 60 0 8 0 uvmvnodes 72 2829 0 0 52 0 52 52 0 8 0 vnodes 208 2829 0 0 149 0 149 149 0 8 0 namei 1024 10461 0 10461 3 2 1 1 0 8 1 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 528 9 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 20 0 20 3 3 0 1 0 8 0 scxspl 200 11022 0 11022 1 0 1 1 0 8 1 plimitpl 152 48 0 40 1 0 1 1 0 8 0 sigapl 424 900 0 849 6 0 6 6 0 8 0 futexpl 56 14732 0 14732 2 1 1 1 0 8 1 knotepl 112 125 0 105 1 0 1 1 0 8 0 kqueuepl 152 105 0 102 1 0 1 1 0 8 0 pipepl 272 164 0 153 2 1 1 2 0 8 0 fdescpl 432 864 0 849 2 0 2 2 0 8 0 filepl 120 5600 0 5497 4 0 4 4 0 8 0 lockfpl 104 183 0 182 1 0 1 1 0 8 0 lockfspl 48 66 0 65 1 0 1 1 0 8 0 sessionpl 120 20 0 10 1 0 1 1 0 8 0 pgrppl 48 30 0 20 1 0 1 1 0 8 0 ucredpl 96 434 0 427 1 0 1 1 0 8 0 zombiepl 144 849 0 849 2 1 1 1 0 8 1 processpl 944 900 0 849 7 0 7 7 0 8 0 procpl 632 1697 0 1639 7 1 6 6 0 8 1 sosppl 144 13 0 13 2 2 0 1 0 8 0 sockpl 400 1501 0 1481 6 2 4 4 0 8 1 mcl64k 65536 18 0 18 3 2 1 1 0 8 1 mcl16k 16384 6 0 6 2 2 0 1 0 8 0 mcl12k 12288 16 0 16 2 1 1 1 0 8 1 mcl9k 9216 9 0 9 2 1 1 1 0 8 1 mcl8k 8192 24 0 24 2 1 1 1 0 8 1 mcl4k 4096 123 0 123 3 2 1 1 0 8 1 mcl2k2 2112 14 0 14 2 1 1 1 0 8 1 mcl2k 2048 96581 0 96528 24 16 8 19 0 8 0 mtagpl 96 44 0 37 2 1 1 1 0 8 0 mbufpl 256 156469 0 156314 18 7 11 14 0 8 0 bufpl 280 5017 0 116 351 0 351 351 0 8 0 anonpl 16 104163 0 86824 83 2 81 81 0 107 0 amapchunkpl 152 4504 0 4318 31 22 9 21 0 158 1 amappl16 192 3823 0 2766 62 9 53 58 0 8 0 amappl15 184 355 0 354 1 0 1 1 0 8 0 amappl14 176 40 0 34 1 0 1 1 0 8 0 amappl13 168 180 0 175 1 0 1 1 0 8 0 amappl12 160 155 0 150 1 0 1 1 0 8 0 amappl11 152 50 0 41 1 0 1 1 0 8 0 amappl10 144 188 0 183 1 0 1 1 0 8 0 amappl9 136 399 0 396 1 0 1 1 0 8 0 amappl8 128 492 0 457 2 0 2 2 0 8 0 amappl7 120 292 0 278 1 0 1 1 0 8 0 amappl6 112 23 0 19 1 0 1 1 0 8 0 amappl5 104 794 0 783 1 0 1 1 0 8 0 amappl4 96 618 0 586 1 0 1 1 0 8 0 amappl3 88 315 0 301 1 0 1 1 0 8 0 amappl2 80 6057 0 5983 2 0 2 2 0 8 0 amappl1 72 29223 0 28788 24 15 9 17 0 8 0 amappl 80 1964 0 1905 2 0 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 34 0 6 1 0 1 1 0 8 0 uaddrrnd 24 873 0 851 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 873 0 851 1 0 1 1 0 8 0 vmmpekpl 168 8891 0 8851 2 0 2 2 0 8 0 vmmpepl 168 114762 0 112456 165 28 137 137 0 357 36 vmsppl 272 872 0 851 2 0 2 2 0 8 0 pdppl 4096 1752 0 1709 7 1 6 6 0 8 0 pvpl 32 296981 0 276725 190 6 184 185 0 265 0 pmappl 200 872 0 851 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 273 0 46 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(ffffffff823d4498) at panic+0x164 sys/kern/subr_prf.c:218 soreceive(fffffd8067757640,0,ffff80001d6e1738,0,0,ffff80001d6e1644) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80677f17f8,ffff80001d6e1738,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff8000ffff8ed8,6,ffff80001d6e1738,0,ffff80001d6e1820) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff8000ffff8ed8,ffff80001d6e17d0,ffff80001d6e1820) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e18a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9f80, 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(ffffffff823d4498) at panic+0x164 sys/kern/subr_prf.c:218 soreceive(fffffd8067757640,0,ffff80001d6e1738,0,0,ffff80001d6e1644) at soreceive+0x170a sys/kern/uipc_socket.c:983 soo_read(fffffd80677f17f8,ffff80001d6e1738,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff8000ffff8ed8,6,ffff80001d6e1738,0,ffff80001d6e1820) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff8000ffff8ed8,ffff80001d6e17d0,ffff80001d6e1820) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff80001d6e18a0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff9f80, count: -8