panic: assertwaitok: non-zero mutex count: 1 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 323145 27663 32767 0x10 0x4000000 0 syz-executor.4 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827bb889) at panic+0x17b sys/kern/subr_prf.c:198 assertwaitok() at assertwaitok+0x132 sys/kern/subr_xxx.c:163 mi_switch() at mi_switch+0x46 sys/kern/sched_bsd.c:360 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rwsleep(fffffd805ca418e0,ffffffff82bf3560,118,ffffffff827aae8e,0) at rwsleep+0xab sys/kern/kern_synch.c:300 sosleep_nsec(fffffd805ca417c0,fffffd805ca418e0,118,ffffffff827aae8e,ffffffffffffffff) at sosleep_nsec+0xff sys/kern/uipc_socket2.c:468 sblock(fffffd805ca417c0,fffffd805ca41890,1) at sblock+0x1c4 sys/kern/uipc_socket2.c:514 soreceive(fffffd805ca417c0,ffff80002d6cc708,ffff80002d6cc6c8,0,0,ffff80002d6cc88c,97a50d0d06f94fa6) at soreceive+0x5fe sys/kern/uipc_socket.c:837 recvit(ffff80002acaea90,3,ffff80002d6cc860,0,ffff80002d6cc858) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmmsg(ffff80002acaea90,ffff80002d6cc960,ffff80002d6cc9b0) at sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 syscall(ffff80002d6cca30) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff80002d6cca30) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd100ac1590, count: 2 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: assertwaitok: non-zero mutex count: 1 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827bb889) at panic+0x17b sys/kern/subr_prf.c:198 assertwaitok() at assertwaitok+0x132 sys/kern/subr_xxx.c:163 mi_switch() at mi_switch+0x46 sys/kern/sched_bsd.c:360 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rwsleep(fffffd805ca418e0,ffffffff82bf3560,118,ffffffff827aae8e,0) at rwsleep+0xab sys/kern/kern_synch.c:300 sosleep_nsec(fffffd805ca417c0,fffffd805ca418e0,118,ffffffff827aae8e,ffffffffffffffff) at sosleep_nsec+0xff sys/kern/uipc_socket2.c:468 sblock(fffffd805ca417c0,fffffd805ca41890,1) at sblock+0x1c4 sys/kern/uipc_socket2.c:514 soreceive(fffffd805ca417c0,ffff80002d6cc708,ffff80002d6cc6c8,0,0,ffff80002d6cc88c,97a50d0d06f94fa6) at soreceive+0x5fe sys/kern/uipc_socket.c:837 recvit(ffff80002acaea90,3,ffff80002d6cc860,0,ffff80002d6cc858) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmmsg(ffff80002acaea90,ffff80002d6cc960,ffff80002d6cc9b0) at sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 syscall(ffff80002d6cca30) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff80002d6cca30) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd100ac1590, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d6cc270 rbx 0xffff800029d2cba7 rdx 0xffff800000d29680 rcx 0xffff80002acaea90 rax 0xffff800029d2bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4d946b3a17734d3f r11 0x55da808652c65bc8 r12 0xffff800029d2c9a8 r13 0 r14 0 r15 0x1 rip 0xffffffff81b102fc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d6cc260 ss 0 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) tid=11302 pid=27663 tcnt=4 stat=sleep flags process=10 proc=4000080 runpri=24, usrpri=86, slppri=24, nice=20 wchan=0xfffffd805ca418e0, wmesg=netlck, ps_single=0x0 forw=0x0, list=0xffff80002c2c0d40,0xffff80002acae2a8 process=0xffff8000ffff94f8 user=0xffff80002d6c7000, vmspace=0xfffffd806c2ae3b8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27663 34629 48979 32767 2 0x10 syz-executor.4 27663 323145 48979 32767 7 0x4000010 syz-executor.4 *27663 11302 48979 32767 3 0x4000090 netlck syz-executor.4 27663 349658 48979 32767 3 0x4000090 fsleep syz-executor.4 79512 97310 51208 32767 3 0x90 nanoslp syz-executor.2 79512 63532 51208 32767 3 0x4000090 netio syz-executor.2 79512 405537 51208 32767 3 0x4000090 fsleep syz-executor.2 78070 59466 53986 32767 3 0x90 piperd syz-executor.3 53986 497598 50493 0 3 0x82 wait syz-executor.3 51208 252489 78970 32767 3 0x90 nanoslp syz-executor.2 78970 399773 50493 0 3 0x82 wait syz-executor.2 20524 322613 24496 32767 3 0x90 piperd syz-executor.6 24496 78632 50493 0 3 0x82 wait syz-executor.6 8334 185652 31246 32767 3 0x90 piperd syz-executor.7 31246 294575 50493 0 3 0x82 wait syz-executor.7 31064 133539 62104 32767 3 0x90 piperd syz-executor.1 62104 338865 50493 0 3 0x82 wait syz-executor.1 27748 21551 18253 32767 3 0x90 piperd syz-executor.5 18253 428685 50493 0 3 0x82 wait syz-executor.5 48979 212875 16381 32767 3 0x90 nanoslp syz-executor.4 16381 65239 50493 0 3 0x82 wait syz-executor.4 3928 416213 19603 32767 3 0x90 piperd syz-executor.0 19603 137192 50493 0 3 0x82 wait syz-executor.0 50082 173295 0 0 3 0x14200 bored sosplice 50493 139439 81587 0 3 0x2000082 thrsleep syz-fuzzer 50493 399352 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 286285 81587 0 3 0x6000082 wait syz-fuzzer 50493 238809 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 194670 81587 0 3 0x6000082 wait syz-fuzzer 50493 365892 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 405594 81587 0 3 0x6000082 wait syz-fuzzer 50493 376576 81587 0 3 0x6000082 wait syz-fuzzer 50493 477640 81587 0 3 0x6000082 wait syz-fuzzer 50493 354952 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 490730 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 37739 81587 0 3 0x6000082 wait syz-fuzzer 50493 224799 81587 0 3 0x6000082 thrsleep syz-fuzzer 50493 9067 81587 0 3 0x6000082 wait syz-fuzzer 50493 81399 81587 0 3 0x6000082 wait syz-fuzzer 50493 96085 81587 0 3 0x6000082 kqread syz-fuzzer 81587 25999 87778 0 3 0x10008a sigsusp ksh 87778 296110 4137 0 3 0x9a kqread sshd 73650 36708 1 0 3 0x100083 ttyin getty 4137 483090 1 0 3 0x88 kqread sshd 60085 73899 65268 73 3 0x1100090 kqread syslogd 65268 95024 1 0 3 0x100082 netio syslogd 89561 506102 1 0 3 0x100080 kqread resolvd 12141 414697 64991 77 3 0x100092 kqread dhcpleased 71115 385071 64991 77 3 0x100092 kqread dhcpleased 64991 511184 1 0 3 0x80 kqread dhcpleased 9227 346311 0 0 3 0x14200 bored smr 23293 20170 0 0 3 0x14200 pgzero zerothread 14115 225960 0 0 3 0x14200 aiodoned aiodoned 86671 370938 0 0 3 0x14200 syncer update 2344 202765 0 0 3 0x14200 cleaner cleaner 59333 208759 0 0 3 0x14200 reaper reaper 65753 371509 0 0 3 0x14200 pgdaemon pagedaemon 81106 125252 0 0 3 0x14200 bored viomb 1687 264348 0 0 3 0x40014200 acpi0 acpi0 15884 392838 0 0 3 0x40014200 idle1 23437 288898 0 0 3 0x14200 bored softnet3 9577 395661 0 0 3 0x14200 bored softnet2 25225 326240 0 0 3 0x14200 bored softnet1 88671 323714 0 0 3 0x14200 bored softnet0 58867 451792 0 0 3 0x14200 bored systqmp 33599 174754 0 0 3 0x14200 bored systq 50789 514751 0 0 3 0x14200 tmoslp softclockmp 40894 182197 0 0 3 0x40014200 tmoslp softclock 47424 215006 0 0 3 0x40014200 idle0 1 463454 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive sched_lock &sched_lock r = 0 (0xffffffff82d68d78) #0 witness_lock+0x447 #1 sleep_finish+0x142 sys/kern/kern_synch.c:398 #2 rwsleep+0xab sys/kern/kern_synch.c:300 #3 sosleep_nsec+0xff sys/kern/uipc_socket2.c:468 #4 sblock+0x1c4 sys/kern/uipc_socket2.c:514 #5 soreceive+0x5fe sys/kern/uipc_socket.c:837 #6 recvit+0x31b sys/kern/uipc_syscalls.c:1082 #7 sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 #8 syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] #8 syscall+0x50f sys/arch/amd64/amd64/trap.c:606 #9 Xsyscall+0x128 exclusive mutex &inp->inp_mtx r = 0 (0xfffffd8065328680) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 soreceive+0x5dc pru_lock sys/sys/protosw.h:288 [inline] #3 soreceive+0x5dc sys/kern/uipc_socket.c:911 #4 recvit+0x31b sys/kern/uipc_syscalls.c:1082 #5 sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 #6 syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] #6 syscall+0x50f sys/arch/amd64/amd64/trap.c:606 #7 Xsyscall+0x128 Process 27663 (syz-executor.4) thread 0xffff80002c2c0d40 (323145) exclusive rwlock solock r = 0 (0xfffffd805ca417d8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 soreceive+0xd05 pru_lock sys/sys/protosw.h:287 [inline] #2 soreceive+0xd05 sys/kern/uipc_socket.c:1062 #3 recvit+0x31b sys/kern/uipc_syscalls.c:1082 #4 sys_recvmsg+0x138 sys/kern/uipc_syscalls.c:882 #5 syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] #5 syscall+0x50f sys/arch/amd64/amd64/trap.c:606 #6 Xsyscall+0x128 shared rwlock netlock r = 0 (0xffffffff82bf3570) #0 witness_lock+0x447 #1 solock_shared+0x68 sys/kern/uipc_socket2.c:370 #2 soreceive+0xd05 pru_lock sys/sys/protosw.h:287 [inline] #2 soreceive+0xd05 sys/kern/uipc_socket.c:1062 #3 recvit+0x31b sys/kern/uipc_syscalls.c:1082 #4 sys_recvmsg+0x138 sys/kern/uipc_syscalls.c:882 #5 syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] #5 syscall+0x50f sys/arch/amd64/amd64/trap.c:606 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10229 6414K 6421K 166960K 11507 0 pcb 13 16K 20K 166960K 19 0 rtable 244 6K 7K 166960K 3778 0 pf 29 8K 8K 166960K 161 0 ifaddr 44 16K 16K 166960K 316 0 ifgroup 50 2K 2K 166960K 314 0 sysctl 4 1K 3K 166960K 12 0 counters 62 36K 36K 166960K 194 0 ioctlops 0 0K 2K 166960K 479 0 iov 1 4K 32K 166960K 3975 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1279 80K 80K 166960K 5555 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 338 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 53 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 20 73K 121K 166960K 33619 0 sigio 0 0K 0K 166960K 566 0 proc 56 78K 115K 166960K 4397 0 subproc 104 6K 6K 166960K 962 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1957 0 in_multi 99 7K 7K 166960K 1151 0 ether_multi 1 0K 0K 166960K 69 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 295 1314K 1314K 166960K 295 0 exec 0 0K 1K 166960K 6029 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 435 90K 105K 166960K 334098 0 UVM aobj 131 4K 6K 166960K 139 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 807 0 NDP 11 0K 2K 166960K 225 0 temp 74 5920K 6048K 166960K 85411 0 kqueue 12 18K 31K 166960K 2662 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 2392 0 2389 32 31 1 5 0 8 0 rtentry 112 876 0 761 4 0 4 4 0 8 0 unpcb 144 22489 0 22476 246 244 2 11 0 8 1 syncache 312 562 0 562 63 62 1 1 0 8 1 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 669 0 669 63 62 1 1 0 8 1 tcpcb 808 40067 0 40017 367 354 13 25 0 8 3 arp 120 158 0 139 1 0 1 1 0 8 0 ipq 40 47 0 47 15 15 0 1 0 8 0 ipqe 40 491 0 491 15 15 0 1 0 8 0 inpcb 368 56912 0 56853 377 359 18 26 0 8 6 ip6q 72 6 0 6 3 3 0 1 0 8 0 ip6af 40 9 0 9 3 3 0 1 0 8 0 nd6 136 253 0 225 3 1 2 2 0 8 0 kcovpl 48 74 0 66 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3542 0 3070 33 3 30 31 0 8 0 art_table 32 3543 0 3070 4 0 4 4 0 8 0 art_node 16 875 0 770 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 136 0 8 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 42400 0 40935 92 0 92 92 0 8 0 ffsino 272 42400 0 40935 99 0 99 99 0 8 0 nchpl 144 85422 0 83784 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 274233 0 274233 12 11 1 2 0 8 1 percpumem 16 110 0 66 1 0 1 1 0 8 0 kstatmem 264 154 0 132 2 0 2 2 0 8 0 scxspl 216 280201 0 280201 118 117 1 8 1 8 1 plimitpl 152 5409 0 5386 53 52 1 2 0 8 0 sigapl 424 33784 0 33734 7 0 7 7 0 8 0 futexpl 64 323910 0 323908 9 8 1 1 0 8 0 knotepl 120 2151 0 0 20 3 17 17 0 8 0 kqueuepl 216 6655 0 6647 105 104 1 5 0 8 0 pipepl 320 14401 0 14373 295 287 8 13 0 8 5 fdescpl 496 33765 0 33734 7 2 5 6 0 8 0 filepl 152 236087 0 235852 351 336 15 23 0 8 4 lockfpl 104 5086 0 5084 5 4 1 2 0 8 0 lockfspl 48 1342 0 1340 1 0 1 1 0 8 0 sessionpl 144 89 0 73 1 0 1 1 0 8 0 pgrppl 48 242 0 226 1 0 1 1 0 8 0 ucredpl 104 23433 0 23415 1 0 1 1 0 8 0 zombiepl 144 33734 0 33734 1 0 1 1 0 8 1 processpl 1072 33784 0 33734 5 1 4 5 0 8 0 procpl 680 95624 0 95554 57 49 8 9 0 8 1 sosppl 168 517 0 517 19 18 1 1 0 8 1 sockpl 488 83864 0 83791 1061 1036 25 47 0 8 8 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 53 0 0 5 2 3 3 0 8 0 mcl12k 12288 45 0 0 3 1 2 2 0 8 0 mcl9k 9216 33 0 0 3 1 2 2 0 8 0 mcl8k 8192 56 0 0 4 1 3 3 0 8 0 mcl4k 4096 201 0 0 7 3 4 5 0 8 0 mcl2k2 2112 24 0 0 2 0 2 2 0 8 0 mcl2k 2048 627 0 0 40 25 15 37 0 8 0 mtagpl 96 23 0 0 1 0 1 1 0 8 0 mbufpl 256 11226 0 0 612 0 612 612 0 8 0 bufpl 288 62427 0 56106 452 0 452 452 0 8 0 anonpl 24 3185924 0 3175316 236 139 97 102 0 186 0 amapchunkpl 152 1058011 0 1057202 254 213 41 51 0 158 4 amappl16 200 64005 0 63658 357 337 20 33 0 8 0 amappl15 192 29 0 29 7 7 0 1 0 8 0 amappl14 184 366 0 352 2 1 1 2 0 8 0 amappl13 176 38 0 37 1 0 1 1 0 8 0 amappl12 168 35384 0 35346 2 0 2 2 0 8 0 amappl11 160 57 0 47 1 0 1 1 0 8 0 amappl10 152 201 0 190 2 1 1 1 0 8 0 amappl9 144 442 0 441 2 1 1 1 0 8 0 amappl8 136 1359 0 1162 9 1 8 8 0 8 0 amappl7 128 478 0 450 2 0 2 2 0 8 0 amappl6 120 1604 0 1586 1 0 1 1 0 8 0 amappl5 112 735 0 727 1 0 1 1 0 8 0 amappl4 104 1546 0 1505 3 1 2 2 0 8 0 amappl3 96 205174 0 205087 42 39 3 4 0 8 0 amappl2 88 36121 0 36034 8 5 3 3 0 8 0 amappl1 80 129688 0 129169 22 9 13 22 0 8 0 amappl 88 331966 0 331730 7 0 7 7 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 72 138 0 8 3 0 3 3 0 8 0 uaddrrnd 24 33765 0 33734 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 33765 0 33734 1 0 1 1 0 8 0 vmmpekpl 168 294522 0 294469 4 0 4 4 0 8 0 vmmpepl 168 1963545 0 1961152 377 245 132 137 0 357 3 vmsppl 464 33764 0 33734 7 2 5 6 0 8 0 rwobjpl 56 478250 0 470691 131 20 111 111 0 8 0 pdppl 4096 67538 0 67468 1162 1080 82 94 0 8 12 pvpl 32 9564801 0 9548029 787 614 173 335 0 265 0 pmappl 248 33764 0 33734 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3392 0 1951 42 0 42 42 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82b7dff0) at x86_ipi_db+0x1e 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+0x27 __mp_lock(ffffffff82d68b70) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d68b70) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(fffffd805ca418e0,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:541 soreceive(fffffd805ca417c0,ffff800037448288,ffff800037448248,0,ffff800037448280,ffff80003744840c,97a50d0d06f94fa6) at soreceive+0x1857 pru_unlock sys/sys/protosw.h:294 [inline] soreceive(fffffd805ca417c0,ffff800037448288,ffff800037448248,0,ffff800037448280,ffff80003744840c,97a50d0d06f94fa6) at soreceive+0x1857 sys/kern/uipc_socket.c:1194 recvit(ffff80002c2c0d40,3,ffff8000374483e0,0,ffff8000374484c0) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmsg(ffff80002c2c0d40,ffff800037448470,ffff8000374484c0) at sys_recvmsg+0x138 sys/kern/uipc_syscalls.c:882 syscall(ffff800037448540) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff800037448540) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd176420250, count: 5 ddb{0}> trace x86_ipi_db(ffffffff82b7dff0) at x86_ipi_db+0x1e 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+0x27 __mp_lock(ffffffff82d68b70) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d68b70) at __mp_lock+0x122 sys/kern/kern_lock.c:147 wakeup_n(fffffd805ca418e0,ffffffff) at wakeup_n+0x37 sys/kern/kern_synch.c:541 soreceive(fffffd805ca417c0,ffff800037448288,ffff800037448248,0,ffff800037448280,ffff80003744840c,97a50d0d06f94fa6) at soreceive+0x1857 pru_unlock sys/sys/protosw.h:294 [inline] soreceive(fffffd805ca417c0,ffff800037448288,ffff800037448248,0,ffff800037448280,ffff80003744840c,97a50d0d06f94fa6) at soreceive+0x1857 sys/kern/uipc_socket.c:1194 recvit(ffff80002c2c0d40,3,ffff8000374483e0,0,ffff8000374484c0) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmsg(ffff80002c2c0d40,ffff800037448470,ffff8000374484c0) at sys_recvmsg+0x138 sys/kern/uipc_syscalls.c:882 syscall(ffff800037448540) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff800037448540) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd176420250, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827bb889) at panic+0x17b sys/kern/subr_prf.c:198 assertwaitok() at assertwaitok+0x132 sys/kern/subr_xxx.c:163 mi_switch() at mi_switch+0x46 sys/kern/sched_bsd.c:360 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rwsleep(fffffd805ca418e0,ffffffff82bf3560,118,ffffffff827aae8e,0) at rwsleep+0xab sys/kern/kern_synch.c:300 sosleep_nsec(fffffd805ca417c0,fffffd805ca418e0,118,ffffffff827aae8e,ffffffffffffffff) at sosleep_nsec+0xff sys/kern/uipc_socket2.c:468 sblock(fffffd805ca417c0,fffffd805ca41890,1) at sblock+0x1c4 sys/kern/uipc_socket2.c:514 soreceive(fffffd805ca417c0,ffff80002d6cc708,ffff80002d6cc6c8,0,0,ffff80002d6cc88c,97a50d0d06f94fa6) at soreceive+0x5fe sys/kern/uipc_socket.c:837 recvit(ffff80002acaea90,3,ffff80002d6cc860,0,ffff80002d6cc858) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmmsg(ffff80002acaea90,ffff80002d6cc960,ffff80002d6cc9b0) at sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 syscall(ffff80002d6cca30) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff80002d6cca30) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd100ac1590, count: 2 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff827bb889) at panic+0x17b sys/kern/subr_prf.c:198 assertwaitok() at assertwaitok+0x132 sys/kern/subr_xxx.c:163 mi_switch() at mi_switch+0x46 sys/kern/sched_bsd.c:360 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 rwsleep(fffffd805ca418e0,ffffffff82bf3560,118,ffffffff827aae8e,0) at rwsleep+0xab sys/kern/kern_synch.c:300 sosleep_nsec(fffffd805ca417c0,fffffd805ca418e0,118,ffffffff827aae8e,ffffffffffffffff) at sosleep_nsec+0xff sys/kern/uipc_socket2.c:468 sblock(fffffd805ca417c0,fffffd805ca41890,1) at sblock+0x1c4 sys/kern/uipc_socket2.c:514 soreceive(fffffd805ca417c0,ffff80002d6cc708,ffff80002d6cc6c8,0,0,ffff80002d6cc88c,97a50d0d06f94fa6) at soreceive+0x5fe sys/kern/uipc_socket.c:837 recvit(ffff80002acaea90,3,ffff80002d6cc860,0,ffff80002d6cc858) at recvit+0x31b sys/kern/uipc_syscalls.c:1082 sys_recvmmsg(ffff80002acaea90,ffff80002d6cc960,ffff80002d6cc9b0) at sys_recvmmsg+0x320 sys/kern/uipc_syscalls.c:973 syscall(ffff80002d6cca30) at syscall+0x50f mi_syscall sys/sys/syscall_mi.h:103 [inline] syscall(ffff80002d6cca30) at syscall+0x50f sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd100ac1590, count: -13