login: panic: lock (rwlock) solock not locked Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *171640 96896 0 0 0x4000000 0K syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807eaa85e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline] sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479 sosplice(fffffd807eaa8200,3,0,fffffd8070786010) at sosplice+0x550 sosetopt(fffffd807eaa8200,ffff,1023,fffffd8067bba700) at sosetopt+0x7f4 sys_setsockopt(ffff80002ca64d28,ffff80002599e498,ffff80002599e4e0) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002599e560) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002599e560) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71e2d54f6b0, count: 6 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: lock (rwlock) solock not locked ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807eaa85e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline] sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479 sosplice(fffffd807eaa8200,3,0,fffffd8070786010) at sosplice+0x550 sosetopt(fffffd807eaa8200,ffff,1023,fffffd8067bba700) at sosetopt+0x7f4 sys_setsockopt(ffff80002ca64d28,ffff80002599e498,ffff80002599e4e0) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002599e560) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002599e560) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71e2d54f6b0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002599e1e0 rbx 0xffffffff8296cb8f cpu_info_full_primary+0x2b8f rdx 0xffff800000ba6700 rcx 0 rax 0xffff80002ca64d28 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6d470e3990335036 r11 0xd80436664c2397e7 r12 0xffffffff8296c990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81f03e68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002599e1d0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.3) pid=171640 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5a50,0xffff8000ffff4aa0 process=0xffff8000fffe90c0 user=0xffff800025999000, vmspace=0xfffffd806a9f7e70 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28239 96296 90106 0 2 0 syz-executor.4 28239 89451 90106 0 2 0x4000000 syz-executor.4 96896 353413 61394 0 2 0 syz-executor.3 *96896 171640 61394 0 7 0x4000000 syz-executor.3 85627 232461 97353 0 2 0 syz-executor.6 85627 359438 97353 0 3 0x4000080 fsleep syz-executor.6 3308 437235 52598 0 2 0 syz-executor.7 3308 10453 52598 0 3 0x4000080 fsleep syz-executor.7 86508 191265 15317 0 2 0 syz-executor.0 86508 290653 15317 0 3 0x4000080 fsleep syz-executor.0 91284 199519 27115 0 2 0 syz-executor.5 91284 47156 27115 0 3 0x4000080 fsleep syz-executor.5 21935 316509 38138 0 2 0 syz-executor.1 21935 412553 38138 0 3 0x4000080 fsleep syz-executor.1 21935 201601 38138 0 3 0x4000080 fsleep syz-executor.1 90106 12202 28496 0 3 0x82 nanoslp syz-executor.4 95160 8552 28496 0 2 0x2 syz-executor.2 849 497357 1 0 3 0x100083 ttyopn getty 15317 286476 28496 0 3 0x82 nanoslp syz-executor.0 52598 395246 28496 0 3 0x82 nanoslp syz-executor.7 97353 54599 28496 0 3 0x82 nanoslp syz-executor.6 46556 181635 0 0 3 0x14200 bored sosplice 59700 235713 0 0 3 0x14280 nfsidl nfsio 53521 522774 0 0 3 0x14280 nfsidl nfsio 28577 339548 0 0 3 0x14280 nfsidl nfsio 43801 129544 0 0 3 0x14280 nfsidl nfsio 51567 360088 0 0 3 0x14280 nfsidl nfsio 87798 449191 0 0 3 0x14280 nfsidl nfsio 7489 191047 0 0 3 0x14280 nfsidl nfsio 70843 428783 0 0 3 0x14280 nfsidl nfsio 35873 503922 0 0 3 0x14280 nfsidl nfsio 80637 292750 0 0 3 0x14280 nfsidl nfsio 51891 351024 0 0 3 0x14280 nfsidl nfsio 4951 43079 0 0 3 0x14280 nfsidl nfsio 94391 160683 0 0 3 0x14280 nfsidl nfsio 16133 432845 0 0 3 0x14280 nfsidl nfsio 91490 384613 0 0 3 0x14280 nfsidl nfsio 95267 433428 0 0 3 0x14280 nfsidl nfsio 73964 91826 0 0 3 0x14280 nfsidl nfsio 9184 63720 0 0 3 0x14280 nfsidl nfsio 99330 522305 0 0 3 0x14280 nfsidl nfsio 4105 17193 0 0 3 0x14280 nfsidl nfsio 27115 54194 28496 0 3 0x82 nanoslp syz-executor.5 61394 33517 28496 0 3 0x82 nanoslp syz-executor.3 38138 475644 28496 0 3 0x82 nanoslp syz-executor.1 28496 258419 1300 0 3 0x82 wait syz-fuzzer 28496 258002 1300 0 3 0x4000082 nanoslp syz-fuzzer 28496 125443 1300 0 3 0x4000082 wait syz-fuzzer 28496 349367 1300 0 3 0x4000082 wait syz-fuzzer 28496 159087 1300 0 3 0x4000082 wait syz-fuzzer 28496 369433 1300 0 3 0x4000082 thrsleep syz-fuzzer 28496 500298 1300 0 3 0x4000082 thrsleep syz-fuzzer 28496 285435 1300 0 3 0x4000082 thrsleep syz-fuzzer 28496 310876 1300 0 3 0x4000082 thrsleep syz-fuzzer 28496 37308 1300 0 3 0x4000082 thrsleep syz-fuzzer 28496 467647 1300 0 3 0x4000082 wait syz-fuzzer 28496 54528 1300 0 3 0x4000082 wait syz-fuzzer 28496 420315 1300 0 3 0x4000082 nanoslp syz-fuzzer 28496 240375 1300 0 3 0x4000082 wait syz-fuzzer 28496 95729 1300 0 3 0x4000082 kqread syz-fuzzer 28496 129468 1300 0 3 0x4000082 wait syz-fuzzer 1300 475235 76192 0 3 0x10008a sigsusp ksh 76192 110768 37518 0 3 0x9a kqread sshd 37518 322389 1 0 3 0x88 kqread sshd 52409 350745 67985 74 3 0x1100092 bpf pflogd 67985 330412 1 0 3 0x80 netio pflogd 12271 121165 57582 73 3 0x1100090 kqread syslogd 57582 163689 1 0 3 0x100082 netio syslogd 84678 285452 1 0 3 0x100080 kqread resolvd 96045 318324 19208 77 3 0x100092 kqread dhcpleased 41700 509418 19208 77 3 0x100092 kqread dhcpleased 19208 174841 1 0 3 0x80 kqread dhcpleased 69399 226900 0 0 3 0x14200 bored smr 40465 303241 0 0 2 0x14200 zerothread 68007 481416 0 0 3 0x14200 aiodoned aiodoned 96976 455687 0 0 3 0x14200 syncer update 27766 228701 0 0 3 0x14200 cleaner cleaner 17749 73063 0 0 3 0x14200 reaper reaper 98544 46616 0 0 3 0x14200 pgdaemon pagedaemon 43233 380763 0 0 3 0x14200 bored viomb 12145 121920 0 0 3 0x40014200 acpi0 acpi0 67439 339310 0 0 7 0x40014200 idle1 71229 259212 0 0 3 0x14200 bored softnet 72608 65059 0 0 3 0x14200 bored softnet 76077 222801 0 0 3 0x14200 bored softnet 73550 40918 0 0 3 0x14200 bored softnet 98439 56059 0 0 3 0x14200 bored systqmp 39341 224004 0 0 3 0x14200 bored systq 68435 223039 0 0 3 0x40014200 bored softclock 45015 479023 0 0 3 0x40014200 idle0 1 523840 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 96896 (syz-executor.3) thread 0xffff80002ca64d28 (171640) exclusive rwlock netlock r = 0 (0xffffffff82991290) #0 witness_lock+0x44d #1 sys_setsockopt+0x1de sys/kern/uipc_syscalls.c:1233 #2 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #2 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829ee950) #0 witness_lock+0x44d #1 syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline] #1 syscall+0x41d sys/arch/amd64/amd64/trap.c:585 #2 Xsyscall+0x128 Process 95160 (syz-executor.2) thread 0xffff8000fffefa40 (8552) exclusive rrwlock inode r = 0 (0xfffffd806856d4e8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806856d1b8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10198 6544K 6869K 78643K 14172 0 pcb 13 12K 14K 78643K 280 0 rtable 229 11K 11K 78643K 791 0 ifaddr 89 18K 18K 78643K 242 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 35K 78643K 90 0 ioctlops 0 0K 4K 78643K 1797 0 iov 0 0K 20K 78643K 150 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1338 84K 84K 78643K 2409 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 19 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 90 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 77K 78643K 1703 0 sigio 0 0K 0K 78643K 104 0 proc 70 91K 127K 78643K 826 0 subproc 104 6K 6K 78643K 221 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 27 0 in_multi 88 5K 6K 78643K 243 0 ether_multi 1 0K 0K 78643K 4 0 mrt 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 2K 78643K 1044 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 342 332K 334K 78643K 11371 0 UVM aobj 30 2K 2K 78643K 30 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 60 0 NDP 12 0K 1K 78643K 70 0 temp 111 4718K 4790K 78643K 22758 0 kqueue 12 18K 24K 78643K 135 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 321 0 318 7 6 1 3 0 8 0 rtentry 112 242 0 143 4 0 4 4 0 8 0 unpcb 144 1383 0 1367 21 15 6 6 0 8 5 syncache 296 20 0 20 4 4 0 1 0 8 0 tcpqe 32 82 0 82 2 2 0 1 0 8 0 tcpcb 768 367 0 362 14 9 5 8 0 8 4 arp 120 42 0 26 1 0 1 1 0 8 0 inpcb 368 1204 0 1195 22 18 4 13 0 8 3 nd6 48 57 0 36 1 0 1 1 0 8 0 kcovpl 48 17 0 9 1 0 1 1 0 8 0 ppxss 1256 4 0 4 1 1 0 1 0 8 0 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 37 0 37 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 34 0 30 1 0 1 1 0 8 0 pfanchor 1280 10 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 46 0 35 1 0 1 1 0 8 0 pfstkey 120 52 0 41 2 0 2 2 0 8 0 pfstate 336 49 0 38 4 0 4 4 0 8 0 pfrule 1360 121 0 98 4 2 2 2 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 977 0 561 35 9 26 29 0 8 0 art_table 32 979 0 562 4 0 4 4 0 8 0 art_node 16 241 0 151 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 19 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 88 0 78 1 0 1 1 0 8 0 shmpl 112 27 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3738 0 2290 91 0 91 91 0 8 0 ffsino 272 3738 0 2290 97 0 97 97 0 8 0 nchpl 144 6347 0 4702 63 0 63 63 0 8 0 uvmvnodes 80 4606 0 0 94 0 94 94 0 8 0 vnodes 216 4606 0 0 256 0 256 256 0 8 0 namei 1024 22376 0 22376 4 3 1 2 0 8 1 percpumem 16 57 0 18 1 0 1 1 0 8 0 vcpupl 2048 22 0 0 3 0 3 3 0 8 0 vmpool 568 26 0 4 2 0 2 2 0 8 0 pfiaddrpl 120 13 0 8 1 0 1 1 0 8 0 kstatmem 264 60 0 36 2 0 2 2 0 8 0 scxspl 216 18179 0 18179 13 12 1 8 0 8 1 plimitpl 152 161 0 146 1 0 1 1 0 8 0 sigapl 424 2015 0 1947 9 1 8 8 0 8 0 futexpl 64 15307 0 15301 1 0 1 1 0 8 0 knotepl 120 261 0 0 7 0 7 7 0 8 0 kqueuepl 216 458 0 450 13 12 1 5 0 8 0 pipepl 320 778 0 750 19 16 3 8 0 8 0 fdescpl 496 1977 0 1947 5 0 5 5 0 8 0 filepl 152 13556 0 13312 38 23 15 20 0 8 5 lockfpl 104 337 0 335 2 1 1 2 0 8 0 lockfspl 48 96 0 94 1 0 1 1 0 8 0 sessionpl 144 35 0 18 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 1326 0 1314 1 0 1 1 0 8 0 zombiepl 144 1947 0 1947 3 2 1 1 0 8 1 processpl 1064 2015 0 1947 5 0 5 5 0 8 0 procpl 672 4480 0 4389 13 4 9 9 0 8 0 srpgc 96 22 0 22 3 3 0 1 0 8 0 sosppl 168 17 0 15 2 1 1 1 0 8 0 sockpl 488 2908 0 2880 100 88 12 29 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 426 0 0 53 0 53 53 0 8 0 mtagpl 96 174 0 0 4 0 4 4 0 8 0 mbufpl 256 2665 0 0 162 0 162 162 0 8 0 bufpl 288 6702 0 373 453 0 453 453 0 8 0 anonpl 24 367664 0 351615 138 17 121 121 0 186 1 amapchunkpl 152 30642 0 29861 34 1 33 33 0 158 0 amappl16 200 5347 0 4778 57 14 43 44 0 8 10 amappl15 192 757 0 748 1 0 1 1 0 8 0 amappl14 184 424 0 418 1 0 1 1 0 8 0 amappl13 176 172 0 168 1 0 1 1 0 8 0 amappl12 168 223 0 221 1 0 1 1 0 8 0 amappl11 160 152 0 131 1 0 1 1 0 8 0 amappl10 152 331 0 323 1 0 1 1 0 8 0 amappl9 144 516 0 510 1 0 1 1 0 8 0 amappl8 136 995 0 917 3 0 3 3 0 8 0 amappl7 128 382 0 357 1 0 1 1 0 8 0 amappl6 120 275 0 258 2 1 1 2 0 8 0 amappl5 112 1256 0 1234 1 0 1 1 0 8 0 amappl4 104 1553 0 1520 2 0 2 2 0 8 0 amappl3 96 5280 0 5224 2 0 2 2 0 8 0 amappl2 88 794 0 758 2 1 1 2 0 8 0 amappl1 80 50210 0 49493 21 5 16 20 0 8 0 amappl 88 10662 0 10449 6 0 6 6 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 29 0 0 1 0 1 1 0 8 0 uaddrrnd 24 2004 0 1952 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2004 0 1952 1 0 1 1 0 8 0 vmmpekpl 168 19284 0 19216 4 0 4 4 0 8 0 vmmpepl 168 198006 0 195219 168 31 137 139 0 357 5 vmsppl 368 2003 0 1952 5 0 5 5 0 8 0 rwobjpl 56 53230 0 46913 94 1 93 93 0 8 0 pdppl 4096 4015 0 3926 181 90 91 91 0 8 2 pvpl 32 829995 0 809998 292 94 198 258 0 265 6 pmappl 248 2003 0 1952 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1127 0 126 29 0 29 29 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807eaa85e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 soassertlocked sys/kern/uipc_socket2.c:414 [inline] sbunlock(fffffd807eaa85d0,fffffd807eaa8718) at sbunlock+0xc9 sys/kern/uipc_socket2.c:479 sosplice(fffffd807eaa8200,3,0,fffffd8070786010) at sosplice+0x550 sosetopt(fffffd807eaa8200,ffff,1023,fffffd8067bba700) at sosetopt+0x7f4 sys_setsockopt(ffff80002ca64d28,ffff80002599e498,ffff80002599e4e0) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002599e560) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002599e560) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71e2d54f6b0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -5