W%Nt˜[ك;BkzeL Y9t!jS~PA^2#Ųm-x>Ӄ+_ƩH;B$/8E$ٓ4dH\}oipanic: sbdrop Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82200306) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e80bed8,ffff80001e80bf60,c57) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e80bed8,ffff80001e80bf60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e80bed8,ffff80001e80bf60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80586214d0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80586214d0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80586214d0,80) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd8058b245b8,ffff80001d739758) at soo_close+0x40 fdrop(fffffd8058b245b8,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8058b245b8,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d739758,ffff80001e80c330,ffff80001e80c380) at sys_exit+0x16 sys/kern/kern_exit.c:95 end trace frame: 0xffff80001e80c3f0, count: 0 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 sbdrop ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82200306) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e80bed8,ffff80001e80bf60,c57) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e80bed8,ffff80001e80bf60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e80bed8,ffff80001e80bf60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80586214d0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80586214d0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80586214d0,80) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd8058b245b8,ffff80001d739758) at soo_close+0x40 fdrop(fffffd8058b245b8,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8058b245b8,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d739758,ffff80001e80c330,ffff80001e80c380) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e80c400) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1e90, count: -16 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001e80bd20 rbx 0xffff80001e80bdd0 rdx 0x2 rcx 0 rax 0x1 r8 0xffffffff81b520cf kprintf+0x15f r9 0x1 r10 0x2 r11 0x8e5909095e83ae5d r12 0x3000000008 r13 0xffff80001e80bd30 r14 0x100 r15 0x1 rip 0xffffffff81b7a488 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001e80bd10 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=155918 stat=onproc flags process=1018 proc=2000 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80001d739c38,0xffff80001d75ed70 process=0xffff8000ffffb5a0 user=0xffff80001e807000, vmspace=0xfffffd805fa96ef0 estcpu=1, cpticks=6, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5461 358391 27295 0 2 0 syz-executor.1 5461 356524 27295 0 2 0x4000000 syz-executor.1 27295 368664 17523 0 3 0x82 nanosleep syz-executor.1 38008 158860 0 0 3 0x14200 bored sosplice 67612 253264 17523 0 3 0x82 nanosleep syz-executor.0 17523 260800 49634 0 3 0x82 kqread syz-fuzzer 17523 276209 49634 0 3 0x4000082 thrsleep syz-fuzzer 17523 420724 49634 0 3 0x4000082 thrsleep syz-fuzzer 17523 82101 49634 0 3 0x4000082 thrsleep syz-fuzzer 17523 491634 49634 0 3 0x4000082 thrsleep syz-fuzzer 17523 256247 49634 0 3 0x4000082 thrsleep syz-fuzzer 17523 262820 49634 0 3 0x4000082 thrsleep syz-fuzzer 49634 322264 79113 0 3 0x10008a pause ksh 79113 270659 67565 0 3 0x92 select sshd 47290 356478 1 0 3 0x100083 ttyin getty 67565 264022 1 0 3 0x80 select sshd 82408 249320 69907 73 3 0x100090 kqread syslogd 69907 263920 1 0 3 0x100082 netio syslogd 20111 92023 1 77 2 0x100010 dhclient 85445 419382 1 0 3 0x80 poll dhclient 79472 277295 0 0 3 0x14200 bored smr 62068 8998 0 0 2 0x14200 zerothread 53796 221142 0 0 3 0x14200 aiodoned aiodoned 12183 191324 0 0 3 0x14200 syncer update 66533 379711 0 0 3 0x14200 cleaner cleaner 20435 211216 0 0 3 0x14200 reaper reaper 59996 99789 0 0 3 0x14200 pgdaemon pagedaemon 54318 433474 0 0 3 0x14200 bored crynlk 22639 57422 0 0 3 0x14200 bored crypto 25052 284927 0 0 3 0x40014200 acpi0 acpi0 38006 230650 0 0 3 0x14200 bored softnet 94197 159507 0 0 3 0x14200 bored systqmp 30265 392611 0 0 3 0x14200 bored systq 98102 462787 0 0 3 0x40014200 bored softclock 53879 465216 0 0 3 0x40014200 idle0 1 308183 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 9462 6328K 6588K 78643K 10854 0 pcb 14 8K 9K 78643K 260 0 rtable 64 2K 3K 78643K 289 0 ifaddr 33 8K 11K 78643K 79 0 counters 19 16K 16K 78643K 26 0 ioctlops 0 0K 2K 78643K 24 0 iov 0 0K 16K 78643K 22 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1348 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 222 0 sigio 0 0K 0K 78643K 2 0 proc 49 38K 63K 78643K 421 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 30 0 in_multi 11 0K 2K 78643K 76 0 ether_multi 1 0K 0K 78643K 12 0 mrt 0 0K 0K 78643K 2 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 206 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 126 46K 46K 78643K 1365 0 UVM aobj 6 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 5 0K 0K 78643K 18 0 temp 60 3031K 3095K 78643K 4046 0 kqueue 3 4K 14K 78643K 14 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 8 0 6 1 0 1 1 0 8 0 rtpcb 80 31 0 28 1 0 1 1 0 8 0 rtentry 112 56 0 34 2 1 1 2 0 8 0 unpcb 120 179 0 169 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 57 0 57 2 2 0 1 0 8 0 tcpcb 544 88 0 84 1 0 1 1 0 8 0 ipq 40 265 0 265 2 1 1 1 0 8 1 ipqe 40 623 0 623 2 1 1 1 0 8 1 inpcb 280 650 0 637 3 1 2 2 0 8 1 nd6 48 9 0 9 1 0 1 1 0 8 1 pkpcb 40 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 236 0 140 12 3 9 12 0 8 3 art_table 32 237 0 140 2 0 2 2 0 8 1 art_node 16 55 0 35 1 0 1 1 0 8 0 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 6 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1657 0 259 88 0 88 88 0 8 0 ffsino 240 1657 0 259 83 0 83 83 0 8 0 nchpl 144 2122 0 537 60 0 60 60 0 8 0 uvmvnodes 72 1803 0 0 33 0 33 33 0 8 0 vnodes 208 1803 0 0 95 0 95 95 0 8 0 namei 1024 5575 0 5575 2 1 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 528 4 0 0 1 0 1 1 0 8 0 scxspl 192 6072 0 6072 1 0 1 1 0 8 1 plimitpl 152 31 0 24 1 0 1 1 0 8 0 sigapl 424 406 0 376 4 0 4 4 0 8 0 futexpl 56 4453 0 4453 2 1 1 1 0 8 1 knotepl 112 89 0 70 1 0 1 1 0 8 0 kqueuepl 144 36 0 34 1 0 1 1 0 8 0 pipelkpl 16 103 0 93 1 0 1 1 0 8 0 pipepl 120 206 0 187 1 0 1 1 0 8 0 fdescpl 432 391 0 376 2 0 2 2 0 8 0 filepl 120 2552 0 2446 4 0 4 4 0 8 0 lockfpl 104 54 0 53 1 0 1 1 0 8 0 lockfspl 48 20 0 19 1 0 1 1 0 8 0 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 18 0 8 1 0 1 1 0 8 0 ucredpl 96 227 0 219 1 0 1 1 0 8 0 zombiepl 144 377 0 376 1 0 1 1 0 8 0 processpl 920 406 0 376 4 0 4 4 0 8 0 procpl 624 625 0 588 5 1 4 4 0 8 0 sosppl 128 4 0 4 2 1 1 1 0 8 1 sockpl 400 862 0 835 5 2 3 4 0 8 0 mcl64k 65536 7 0 7 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 9 0 9 2 1 1 1 0 8 1 mcl9k 9216 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 7 0 7 2 1 1 1 0 8 1 mcl4k 4096 24 0 24 3 2 1 1 0 8 1 mcl2k 2048 63706 0 63664 16 10 6 14 0 8 0 mtagpl 80 20 0 20 2 1 1 1 0 8 1 mbufpl 256 138890 0 138700 259 242 17 250 0 8 5 bufpl 280 3803 0 125 263 0 263 263 0 8 0 anonpl 16 48953 0 35538 59 3 56 57 0 107 0 amapchunkpl 152 1859 0 1718 8 2 6 8 0 158 0 amappl16 192 1728 0 986 39 1 38 38 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 26 0 21 1 0 1 1 0 8 0 amappl13 168 53 0 50 1 0 1 1 0 8 0 amappl12 160 6 0 3 2 1 1 1 0 8 0 amappl11 152 49 0 40 1 0 1 1 0 8 0 amappl10 144 28 0 21 1 0 1 1 0 8 0 amappl9 136 417 0 413 1 0 1 1 0 8 0 amappl8 128 409 0 373 2 0 2 2 0 8 0 amappl7 120 121 0 108 1 0 1 1 0 8 0 amappl6 112 25 0 19 1 0 1 1 0 8 0 amappl5 104 385 0 373 1 0 1 1 0 8 0 amappl4 96 460 0 430 1 0 1 1 0 8 0 amappl3 88 116 0 110 1 0 1 1 0 8 0 amappl2 80 2226 0 2154 2 0 2 2 0 8 0 amappl1 72 16770 0 16345 23 14 9 17 0 8 0 amappl 80 869 0 821 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 7 0 2 1 0 1 1 0 8 0 uaddrrnd 24 395 0 376 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 395 0 376 1 0 1 1 0 8 0 vmmpekpl 168 6657 0 6628 2 0 2 2 0 8 0 vmmpepl 168 53423 0 51495 114 13 101 107 0 357 17 vmsppl 272 394 0 376 3 1 2 2 0 8 0 pdppl 4096 796 0 756 8 2 6 6 0 8 0 pvpl 32 165489 0 149035 142 6 136 142 0 265 0 pmappl 200 394 0 376 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 496 0 269 14 0 14 14 0 8 4 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82200306) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e80bed8,ffff80001e80bf60,c57) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e80bed8,ffff80001e80bf60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e80bed8,ffff80001e80bf60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80586214d0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80586214d0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80586214d0,80) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd8058b245b8,ffff80001d739758) at soo_close+0x40 fdrop(fffffd8058b245b8,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8058b245b8,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d739758,ffff80001e80c330,ffff80001e80c380) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e80c400) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1e90, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82200306) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e80bed8,ffff80001e80bf60,c57) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e80bed8,ffff80001e80bf60) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e80bed8,ffff80001e80bf60) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80586214d0) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80586214d0,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80586214d0,80) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd8058b245b8,ffff80001d739758) at soo_close+0x40 fdrop(fffffd8058b245b8,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd8058b245b8,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d739758,ffff80001e80c330,ffff80001e80c380) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e80c400) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1e90, count: -16