panic: unhandled af 0 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 273477 14562 32767 0x10 0 0 syz-executor *521887 23647 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834ec2c8) at panic+0x1e5 sys/kern/subr_prf.c:198 unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1 if_output_tso(ffff800000050858,ffff80002a248b70,ffff800000c40dd0,fffffb806fb274d0,5dc) at if_output_tso+0x22b ip_output(fffffb806cb80900,0,fffffb806fceb590,800,0,fffffb806fceb628,9d8c876aaa971712) at ip_output+0x107f sys/netinet/ip_output.c:437 tcp_output(ffff8000015b6e60) at tcp_output+0x36e3 sys/netinet/tcp_output.c:1070 tcp_send(ffff8000015a11b0,fffffb806107df00,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859 sosend(ffff8000015a11b0,0,ffff80002a248fb8,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff800045ffd230,3,ffff80002a248fb8,0,ffff80002a249070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff800045ffd230,ffff80002a249120,ffff80002a249070) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a249120) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a249120) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792f40362e10, count: 3 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: unhandled af 0 ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834ec2c8) at panic+0x1e5 sys/kern/subr_prf.c:198 unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1 if_output_tso(ffff800000050858,ffff80002a248b70,ffff800000c40dd0,fffffb806fb274d0,5dc) at if_output_tso+0x22b ip_output(fffffb806cb80900,0,fffffb806fceb590,800,0,fffffb806fceb628,9d8c876aaa971712) at ip_output+0x107f sys/netinet/ip_output.c:437 tcp_output(ffff8000015b6e60) at tcp_output+0x36e3 sys/netinet/tcp_output.c:1070 tcp_send(ffff8000015a11b0,fffffb806107df00,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859 sosend(ffff8000015a11b0,0,ffff80002a248fb8,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff800045ffd230,3,ffff80002a248fb8,0,ffff80002a249070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff800045ffd230,ffff80002a249120,ffff80002a249070) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a249120) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a249120) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792f40362e10, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a248950 rbx 0xffff80002999ee0f rdx 0 rcx 0xffff800045ffd230 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7f506514d2cb10d6 r11 0xbd07d71df3dcba99 r12 0xffff80002999ec10 r13 0 r14 0 r15 0x1 rip 0xffffffff823cd715 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a248940 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=521887 pid=23647 tcnt=1 stat=onproc flags process=2 proc=0 runpri=72, usrpri=72, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffdc90,0xffff800045ffda08 process=0xffff800045ff4e78 user=0xffff80002a244000, vmspace=0xfffffb800b1f7d58 estcpu=22, cpticks=27, pctcpu=0.20, user=2, sys=22, intr=2 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 57865 417622 86482 32767 2 0x10 0 syz-executor 57865 354291 86482 32767 3 0x10 0x4000080 fsleep syz-executor 57865 91187 86482 32767 3 0x10 0x4000080 fsleep syz-executor 57865 56819 86482 32767 3 0x10 0x4000080 fsleep syz-executor 57865 439066 86482 32767 3 0x10 0x4000080 fsleep syz-executor 27358 286845 65714 32767 2 0x10 0 syz-executor 27358 295815 65714 32767 3 0x10 0x4000080 kqread syz-executor 27358 395525 65714 32767 3 0x10 0x4000080 fsleep syz-executor 28802 15155 31904 0 2 0x100002 0 ndp 21674 492131 2971 32767 2 0x10 0 syz-executor 21674 463794 2971 32767 3 0x10 0x4000080 lockf syz-executor 21674 448273 2971 32767 3 0x10 0x4000080 lockf syz-executor 31904 271748 45881 0 3 0x100002 0x88 sigsusp sh 25000 438374 23647 0 3 0x2 0x80 wait syz-executor 43671 219757 43264 32767 3 0x10 0x80 nanoslp syz-executor 43671 359360 43264 32767 3 0x10 0x4000080 msgwait syz-executor 43671 298979 43264 32767 3 0x10 0x4000080 fsleep syz-executor 45881 341616 68259 0 3 0 0x80 wait syz-executor 68259 243806 23647 0 3 0x2 0x80 wait syz-executor 14562 273477 65308 32767 7 0x10 0 syz-executor 65308 169280 23647 0 3 0x2 0x80 wait syz-executor 86482 215015 87188 32767 3 0x10 0x80 nanoslp syz-executor 87188 10892 23647 0 3 0x2 0x80 wait syz-executor 2971 309568 82700 32767 3 0x10 0x80 nanoslp syz-executor 82700 105179 23647 0 3 0x2 0x80 wait syz-executor 43264 496905 73044 32767 3 0x10 0x80 nanoslp syz-executor 73044 115495 23647 0 3 0x2 0x80 wait syz-executor 24197 49198 24746 32767 3 0x10 0x80 fsleep syz-executor 24197 445855 24746 32767 3 0x10 0x4000080 ttyout syz-executor 24197 87732 24746 32767 3 0x10 0x4000080 ttyout syz-executor 24197 162891 24746 32767 3 0x10 0x4000080 fsleep syz-executor 65714 60934 56582 32767 3 0x10 0x80 nanoslp syz-executor 56582 485992 23647 0 3 0x2 0x80 wait syz-executor 24746 454546 33031 32767 3 0x10 0x80 nanoslp syz-executor 33031 209398 23647 0 3 0x2 0x80 wait syz-executor *23647 521887 36471 0 7 0x2 0 syz-executor 36471 467268 67957 0 3 0x100002 0x88 sigsusp ksh 67957 394752 67808 0 3 0x10 0x88 kqread sshd-session 67808 254201 20191 0 3 0x12 0x80 kqread sshd-session 93496 471013 1 0 3 0x100003 0x80 ttyin getty 20191 374978 1 0 3 0 0x88 kqread sshd 51125 382627 92952 73 3 0x1100010 0x80 kqread syslogd 92952 398852 1 0 3 0x100002 0x80 sbwait syslogd 62576 347872 1 0 3 0x100000 0x80 kqread resolvd 69438 236006 66572 77 3 0x100012 0x80 kqread dhcpleased 94767 14867 66572 77 3 0x100012 0x80 kqread dhcpleased 66572 350723 1 0 3 0 0x80 kqread dhcpleased 40968 324141 0 0 3 0x14000 0x200 bored smr 33148 164088 0 0 2 0x14000 0x200 zerothread 60589 444462 0 0 3 0x14000 0x200 aiodoned aiodoned 53518 279807 0 0 3 0x14000 0x200 syncer update 73159 52283 0 0 3 0x14000 0x200 cleaner cleaner 45417 291325 0 0 3 0x14000 0x200 reaper reaper 81261 189616 0 0 3 0x14000 0x200 pgdaemon pagedaemon 30467 143077 0 0 3 0x14000 0x200 bored viomb 14167 464343 0 0 3 0x14000 0x40000200 acpi0 acpi0 16088 496914 0 0 3 0x14000 0x40000200 idle1 46728 434763 0 0 3 0x14000 0x200 bored softnet1 62935 180769 0 0 3 0x14000 0x200 bored softnet0 71610 348241 0 0 3 0x14000 0x200 bored systqmp 26439 13916 0 0 3 0x14000 0x200 bored systq 86591 49503 0 0 3 0x14000 0x200 tmoslp softclockmp 75392 402907 0 0 3 0x14000 0x40000200 tmoslp softclock 4923 409275 0 0 3 0x14000 0x40000200 idle0 1 178926 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 14562 (syz-executor) thread 0xffff80002a22afa8 (273477) exclusive rrwlock inode r = 0 (0xfffffb8079ce08f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:692 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580 #11 namei+0x7c5 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffb800d40a570) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 23647 (syz-executor) thread 0xffff800045ffd230 (521887) exclusive rwlock inet46 r = 0 (0xffff8000015a11d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sosend+0x78e sys/kern/uipc_socket.c:-1 #3 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #4 sys_write+0xa2 sys/kern/sys_generic.c:300 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #6 Xsyscall+0x128 shared rwlock netlock r = 0 (0xffffffff839bb250) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 solock_shared+0x6e sys/kern/uipc_socket2.c:343 #3 sosend+0x78e sys/kern/uipc_socket.c:-1 #4 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #5 sys_write+0xa2 sys/kern/sys_generic.c:300 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000015a1398) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 dofilewritev+0x2bd sys/kern/sys_generic.c:384 #5 sys_write+0xa2 sys/kern/sys_generic.c:300 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11053 12018K 12034K 166960K 12183 0 pcb 17 12K 12K 166960K 17 0 rtable 239 6K 7K 166960K 748 0 pf 31 16K 16K 166960K 57 0 ifaddr 42 7K 7K 166960K 98 0 ifgroup 50 2K 2K 166960K 102 0 sysctl 3 1K 9K 166960K 8 0 counters 70 37K 37K 166960K 96 0 ioctlops 0 0K 4K 166960K 47 0 iov 0 0K 8K 166960K 17 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1287 81K 81K 166960K 1490 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 21 3K 4K 166960K 24 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 121K 166960K 584 0 sigio 0 0K 0K 166960K 2 0 proc 58 99K 147K 166960K 896 0 subproc 72 4K 4K 166960K 189 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 178 0 in_multi 99 6K 6K 166960K 252 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 566 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 153K 195K 166960K 6283 0 UVM aobj 76 3K 4K 166960K 77 0 pinsyscall 47 94K 112K 166960K 2062 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 18 0 NDP 17 0K 2K 166960K 66 0 temp 46 9121K 9140K 166960K 5563 0 kqueue 14 22K 31K 166960K 83 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 75 0 71 1 0 1 1 0 8 0 rtentry 176 256 0 145 6 0 6 6 0 8 0 unpcb 144 327 0 308 4 0 4 4 0 8 3 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpcb 736 95 0 91 1 0 1 1 0 8 0 arp 136 45 0 26 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 5 0 2 1 0 1 1 0 8 0 inpcb 328 480 0 472 7 0 7 7 0 8 6 ip6q 80 2 0 0 1 0 1 1 0 8 0 ip6af 40 2 0 0 1 0 1 1 0 8 0 nd6 152 64 0 40 1 0 1 1 0 8 0 kcovpl 48 21 0 13 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1042 0 585 32 2 30 32 0 8 1 art_table 40 1043 0 585 6 0 6 6 0 8 1 art_node 32 256 0 155 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 7 0 7 1 0 1 1 0 8 1 semapl 72 20 0 1 1 0 1 1 0 8 0 shmpl 120 74 0 1 3 0 3 3 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1916 0 421 94 0 94 94 0 8 0 ffsino 296 1916 0 421 116 0 116 116 0 8 0 nchpl 144 2447 0 722 65 0 65 65 0 8 0 vnodes 216 2114 0 0 118 0 118 118 0 8 0 namei 1024 10420 0 10420 3 1 2 2 0 8 2 percpumem 16 64 0 13 1 0 1 1 0 8 0 kstatmem 264 51 0 26 2 0 2 2 0 8 0 scxspl 216 8370 0 8370 6 3 3 3 1 8 3 plimitpl 152 148 0 122 2 0 2 2 0 8 0 sigapl 424 865 0 812 7 0 7 7 0 8 0 knotepl 120 183 0 0 6 0 6 6 0 8 0 kqueuepl 224 110 0 99 2 0 2 2 0 8 1 pipepl 344 184 0 157 4 0 4 4 0 8 1 fdescpl 528 849 0 812 3 0 3 3 0 8 0 filepl 160 3691 0 3464 13 0 13 13 0 8 3 lockfpl 104 81 0 75 1 0 1 1 0 8 0 lockfspl 48 35 0 31 1 0 1 1 0 8 0 sessionpl 144 50 0 34 1 0 1 1 0 8 0 pgrppl 48 73 0 49 1 0 1 1 0 8 0 ucredpl 104 476 0 458 1 0 1 1 0 8 0 zombiepl 144 813 0 812 1 0 1 1 0 8 0 processpl 1232 865 0 812 5 0 5 5 0 8 0 procpl 664 1265 0 1199 7 0 7 7 0 8 0 sockpl 752 952 0 921 11 0 11 11 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k128 9344 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mextrefs 64 21 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 232 0 0 15 0 15 15 0 8 0 bufpl 272 2887 0 105 186 0 186 186 0 8 0 anonpl 32 7336 0 0 60 0 60 60 0 247 0 amapchunkpl 152 19877 0 19344 38 0 38 38 0 158 13 amappl16 200 2027 0 2008 15 5 10 14 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 570 0 568 1 0 1 1 0 8 0 amappl13 176 150 0 139 1 0 1 1 0 8 0 amappl12 168 1162 0 1127 2 0 2 2 0 8 0 amappl11 160 19 0 19 1 1 0 1 0 8 0 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 276 0 276 1 1 0 1 0 8 0 amappl8 136 146 0 145 1 0 1 1 0 8 0 amappl7 128 176 0 164 1 0 1 1 0 8 0 amappl6 120 286 0 282 1 0 1 1 0 8 0 amappl5 112 100 0 92 1 0 1 1 0 8 0 amappl4 104 317 0 300 1 0 1 1 0 8 0 amappl3 96 3305 0 3203 5 1 4 4 0 8 1 amappl2 88 962 0 883 3 0 3 3 0 8 0 amappl1 80 14434 0 13837 16 0 16 16 0 8 2 amappl 88 5286 0 5108 5 0 5 5 0 92 0 uvmvnodes 80 105 0 0 3 0 3 3 0 8 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 76 0 1 2 0 2 2 0 8 0 uaddrrnd 24 849 0 812 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 849 0 812 1 0 1 1 0 8 0 vmmpekpl 168 8938 0 8878 3 0 3 3 0 8 0 vmmpepl 168 64332 0 62288 104 0 104 104 0 357 8 vmsppl 488 848 0 812 7 1 6 6 0 8 0 rwobjpl 80 21194 0 20128 26 0 26 26 0 8 2 pdppl 4096 1705 0 1624 121 32 89 95 0 8 8 pvpl 32 14926 0 0 121 0 121 121 0 265 0 pmappl 256 848 0 812 4 1 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 486 0 38 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839d3ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a24dc0) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a24dc0) at __mp_lock+0x199 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a24dc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffb800be89668) at biowait+0xc6 sys/kern/vfs_bio.c:1110 bwrite(fffffb800be89668) at bwrite+0x359 sys/kern/vfs_bio.c:625 ufs_dirremove(fffffb80612691f8,fffffb8079ce0850,800c,1) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3045c0) at ufs_rmdir+0x238 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffb80612691f8,fffffb80763f1360,ffff80002a304698) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a22afa8,ffffff9c,7d5650908fa0,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1840 syscall(ffff80002a304810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a304810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5650908f90, count: 1 ddb{0}> trace x86_ipi_db(ffffffff839d3ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a24dc0) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a24dc0) at __mp_lock+0x199 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a24dc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:369 biowait(fffffb800be89668) at biowait+0xc6 sys/kern/vfs_bio.c:1110 bwrite(fffffb800be89668) at bwrite+0x359 sys/kern/vfs_bio.c:625 ufs_dirremove(fffffb80612691f8,fffffb8079ce0850,800c,1) at ufs_dirremove+0x290 sys/ufs/ufs/ufs_lookup.c:919 ufs_rmdir(ffff80002a3045c0) at ufs_rmdir+0x238 sys/ufs/ufs/ufs_vnops.c:1248 VOP_RMDIR(fffffb80612691f8,fffffb80763f1360,ffff80002a304698) at VOP_RMDIR+0x192 sys/kern/vfs_vops.c:413 dounlinkat(ffff80002a22afa8,ffffff9c,7d5650908fa0,8) at dounlinkat+0x2e0 sys/kern/vfs_syscalls.c:1840 syscall(ffff80002a304810) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a304810) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d5650908f90, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834ec2c8) at panic+0x1e5 sys/kern/subr_prf.c:198 unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1 if_output_tso(ffff800000050858,ffff80002a248b70,ffff800000c40dd0,fffffb806fb274d0,5dc) at if_output_tso+0x22b ip_output(fffffb806cb80900,0,fffffb806fceb590,800,0,fffffb806fceb628,9d8c876aaa971712) at ip_output+0x107f sys/netinet/ip_output.c:437 tcp_output(ffff8000015b6e60) at tcp_output+0x36e3 sys/netinet/tcp_output.c:1070 tcp_send(ffff8000015a11b0,fffffb806107df00,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859 sosend(ffff8000015a11b0,0,ffff80002a248fb8,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff800045ffd230,3,ffff80002a248fb8,0,ffff80002a249070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff800045ffd230,ffff80002a249120,ffff80002a249070) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a249120) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a249120) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792f40362e10, count: 3 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834ec2c8) at panic+0x1e5 sys/kern/subr_prf.c:198 unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1 if_output_tso(ffff800000050858,ffff80002a248b70,ffff800000c40dd0,fffffb806fb274d0,5dc) at if_output_tso+0x22b ip_output(fffffb806cb80900,0,fffffb806fceb590,800,0,fffffb806fceb628,9d8c876aaa971712) at ip_output+0x107f sys/netinet/ip_output.c:437 tcp_output(ffff8000015b6e60) at tcp_output+0x36e3 sys/netinet/tcp_output.c:1070 tcp_send(ffff8000015a11b0,fffffb806107df00,0,0) at tcp_send+0x191 sys/netinet/tcp_usrreq.c:859 sosend(ffff8000015a11b0,0,ffff80002a248fb8,0,0,80) at sosend+0x804 sys/kern/uipc_socket.c:-1 dofilewritev(ffff800045ffd230,3,ffff80002a248fb8,0,ffff80002a249070) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff800045ffd230,ffff80002a249120,ffff80002a249070) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a249120) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a249120) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x792f40362e10, count: -12