QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2panic: 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(ffffffff821fac9d) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e850998,ffff80001e850a20,ec) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e850998,ffff80001e850a20) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e850998,ffff80001e850a20) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80696d3960) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80696d3960,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80696d3960,0) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd80597a85b0,ffff80001d752d60) at soo_close+0x40 fdrop(fffffd80597a85b0,ffff80001d752d60) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80597a85b0,ffff80001d752d60) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d752d60) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d752d60,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d752d60,ffff80001e850df0,ffff80001e850e40) at sys_exit+0x16 sys/kern/kern_exit.c:95 end trace frame: 0xffff80001e850eb0, 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(ffffffff821fac9d) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e850998,ffff80001e850a20,ec) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e850998,ffff80001e850a20) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e850998,ffff80001e850a20) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80696d3960) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80696d3960,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80696d3960,0) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd80597a85b0,ffff80001d752d60) at soo_close+0x40 fdrop(fffffd80597a85b0,ffff80001d752d60) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80597a85b0,ffff80001d752d60) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d752d60) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d752d60,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d752d60,ffff80001e850df0,ffff80001e850e40) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e850ec0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1fa0, count: -16 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001e8507e0 rbx 0xffff80001e850890 rdx 0x2 rcx 0 rax 0 r8 0xffff80001e8507a0 r9 0x1 r10 0 r11 0x1f98a44120875271 r12 0x3000000008 r13 0xffff80001e8507f0 r14 0x100 r15 0x1 rip 0xffffffff8112b158 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001e8507d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=85578 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff80001d73a388,0xffffffff825996a8 process=0xffff8000ffff83b0 user=0xffff80001e84b000, vmspace=0xfffffd806bc09330 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 18578 155100 0 0 3 0x14200 bored sosplice 62386 12889 50083 0 3 0x82 nanosleep syz-executor.1 69989 523114 50083 0 2 0x2 syz-executor.0 50083 122954 48465 0 3 0x82 thrsleep syz-fuzzer 50083 120459 48465 0 3 0x4000082 nanosleep syz-fuzzer 50083 96848 48465 0 3 0x4000082 kqread syz-fuzzer 50083 346729 48465 0 3 0x4000082 thrsleep syz-fuzzer 50083 319986 48465 0 3 0x4000082 thrsleep syz-fuzzer 50083 197744 48465 0 3 0x4000082 thrsleep syz-fuzzer 50083 193243 48465 0 3 0x4000082 thrsleep syz-fuzzer 48465 201179 74099 0 3 0x10008a pause ksh 74099 465233 13943 0 3 0x92 select sshd 45613 17973 1 0 3 0x100083 ttyin getty 13943 427395 1 0 3 0x80 select sshd 93831 225102 17150 73 3 0x100090 kqread syslogd 17150 179563 1 0 3 0x100082 netio syslogd 24545 400074 1 77 3 0x100090 poll dhclient 35020 323301 1 0 3 0x80 poll dhclient 91242 73850 0 0 3 0x14200 bored smr 46418 517279 0 0 2 0x14200 zerothread 13426 159114 0 0 3 0x14200 aiodoned aiodoned 49323 82821 0 0 3 0x14200 syncer update 75119 89812 0 0 3 0x14200 cleaner cleaner 53213 482266 0 0 3 0x14200 reaper reaper 91233 128479 0 0 3 0x14200 pgdaemon pagedaemon 24930 1611 0 0 3 0x14200 bored crynlk 80947 153362 0 0 3 0x14200 bored crypto 43417 373897 0 0 3 0x40014200 acpi0 acpi0 63928 356695 0 0 3 0x14200 bored softnet 47990 247064 0 0 3 0x14200 bored systqmp 47283 68234 0 0 3 0x14200 bored systq 96152 517005 0 0 3 0x40014200 bored softclock 86744 166014 0 0 3 0x40014200 idle0 1 158631 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 9491 6346K 6870K 78643K 10944 0 pcb 13 8K 8K 78643K 71 0 rtable 108 3K 4K 78643K 258 0 ifaddr 64 13K 13K 78643K 112 0 counters 21 16K 16K 78643K 29 0 ioctlops 0 0K 2K 78643K 23 0 iov 0 0K 16K 78643K 36 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1332 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 26 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1808 195K 288K 78643K 12860 0 file desc 5 13K 25K 78643K 202 0 sigio 0 0K 0K 78643K 2 0 proc 48 38K 54K 78643K 374 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 24 0 in_multi 47 2K 2K 78643K 80 0 ether_multi 1 0K 0K 78643K 14 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 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 223 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 111 22K 22K 78643K 1322 0 UVM aobj 7 2K 2K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 48 0 NDP 10 0K 0K 78643K 22 0 temp 84 3032K 3103K 78643K 6514 0 kqueue 3 4K 18K 78643K 24 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 6 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 23 1 0 1 1 0 8 0 rtentry 112 47 0 3 2 0 2 2 0 8 0 unpcb 120 503 0 494 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 102 0 98 1 0 1 1 0 8 0 inpcb 280 370 0 359 4 3 1 2 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 7 0 1 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 ppxss 1128 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 256 203 0 15 13 1 12 13 0 8 0 art_table 32 204 0 15 2 0 2 2 0 8 0 art_node 16 46 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 7 0 2 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1673 0 274 88 0 88 88 0 8 0 ffsino 240 1673 0 274 83 0 83 83 0 8 0 nchpl 144 2124 0 522 60 0 60 60 0 8 0 uvmvnodes 72 1790 0 0 33 0 33 33 0 8 0 vnodes 208 1790 0 0 95 0 95 95 0 8 0 namei 1024 5471 0 5471 4 3 1 1 0 8 1 scxspl 192 5943 0 5943 1 0 1 1 0 8 1 plimitpl 152 28 0 21 1 0 1 1 0 8 0 sigapl 424 389 0 360 4 0 4 4 0 8 0 futexpl 56 3937 0 3937 4 3 1 1 0 8 1 knotepl 112 88 0 69 1 0 1 1 0 8 0 kqueuepl 144 60 0 58 1 0 1 1 0 8 0 pipelkpl 16 102 0 92 1 0 1 1 0 8 0 pipepl 120 204 0 185 1 0 1 1 0 8 0 fdescpl 432 374 0 360 2 0 2 2 0 8 0 filepl 120 2571 0 2470 4 0 4 4 0 8 0 lockfpl 104 82 0 81 1 0 1 1 0 8 0 lockfspl 48 32 0 31 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 215 0 208 1 0 1 1 0 8 0 zombiepl 144 361 0 360 1 0 1 1 0 8 0 processpl 920 389 0 360 4 0 4 4 0 8 0 procpl 624 625 0 590 5 1 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 904 0 881 9 5 4 5 0 8 1 mcl64k 65536 22 0 22 4 3 1 1 0 8 1 mcl12k 12288 4 0 4 3 3 0 1 0 8 0 mcl9k 9216 3 0 3 2 1 1 1 0 8 1 mcl8k 8192 3 0 3 3 2 1 1 0 8 1 mcl4k 4096 23 0 23 4 3 1 1 0 8 1 mcl2k2 2112 2 0 2 1 1 0 1 0 8 0 mcl2k 2048 63432 0 63387 15 8 7 13 0 8 0 mtagpl 80 27 0 2 2 1 1 1 0 8 0 mbufpl 256 101739 0 101594 13 2 11 11 0 8 1 bufpl 280 3846 0 126 266 0 266 266 0 8 0 anonpl 16 54398 0 41476 72 17 55 69 0 107 1 amapchunkpl 152 1538 0 1413 7 0 7 7 0 158 0 amappl16 192 2202 0 1513 50 13 37 47 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 105 0 98 1 0 1 1 0 8 0 amappl13 168 107 0 103 1 0 1 1 0 8 0 amappl12 160 10 0 5 1 0 1 1 0 8 0 amappl11 152 47 0 38 1 0 1 1 0 8 0 amappl10 144 19 0 14 1 0 1 1 0 8 0 amappl9 136 358 0 357 1 0 1 1 0 8 0 amappl8 128 323 0 284 2 0 2 2 0 8 0 amappl7 120 115 0 101 1 0 1 1 0 8 0 amappl6 112 24 0 21 1 0 1 1 0 8 0 amappl5 104 267 0 257 1 0 1 1 0 8 0 amappl4 96 504 0 471 1 0 1 1 0 8 0 amappl3 88 187 0 179 1 0 1 1 0 8 0 amappl2 80 2173 0 2106 2 0 2 2 0 8 0 amappl1 72 16453 0 16050 24 15 9 17 0 8 0 amappl 80 857 0 817 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 374 0 360 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 374 0 360 1 0 1 1 0 8 0 vmmpekpl 168 6685 0 6659 2 0 2 2 0 8 0 vmmpepl 168 51363 0 49590 112 28 84 99 0 357 5 vmsppl 272 373 0 360 2 1 1 2 0 8 0 pdppl 4096 754 0 720 6 1 5 6 0 8 0 pvpl 32 166333 0 150462 167 23 144 166 0 265 14 pmappl 200 373 0 360 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 256 0 32 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(ffffffff821fac9d) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e850998,ffff80001e850a20,ec) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e850998,ffff80001e850a20) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e850998,ffff80001e850a20) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80696d3960) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80696d3960,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80696d3960,0) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd80597a85b0,ffff80001d752d60) at soo_close+0x40 fdrop(fffffd80597a85b0,ffff80001d752d60) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80597a85b0,ffff80001d752d60) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d752d60) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d752d60,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d752d60,ffff80001e850df0,ffff80001e850e40) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e850ec0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1fa0, 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(ffffffff821fac9d) at panic+0x15c sys/kern/subr_prf.c:207 sbdrop(ffff80001e850998,ffff80001e850a20,ec) at sbdrop+0x3a6 sys/kern/uipc_socket2.c:953 sbflush(ffff80001e850998,ffff80001e850a20) at sbflush+0x93 sys/kern/uipc_socket2.c:934 sbrelease(ffff80001e850998,ffff80001e850a20) at sbrelease+0x2e sys/kern/uipc_socket2.c:525 sorflush(fffffd80696d3960) at sorflush+0x14b sys/kern/uipc_socket.c:1131 sofree(fffffd80696d3960,42) at sofree+0x147 sys/kern/uipc_socket.c:257 soclose(fffffd80696d3960,0) at soclose+0x268 sys/kern/uipc_socket.c:338 soo_close(fffffd80597a85b0,ffff80001d752d60) at soo_close+0x40 fdrop(fffffd80597a85b0,ffff80001d752d60) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80597a85b0,ffff80001d752d60) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d752d60) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d752d60,0,0,1) at exit1+0x32c sys/kern/kern_exit.c:197 sys_exit(ffff80001d752d60,ffff80001e850df0,ffff80001e850e40) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80001e850ec0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1fa0, count: -16