panic(ffffffff824719f7) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828939b8,2,ffff800020e73538) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806ead6c88,9,fffffd8064890100,0,0,ffff800020e51ae0) at tcp_usrreq+0xa55 sosend(fffffd806ead6c88,0,ffff800020e73a18,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020e51ae0,4,ffff800020e73a18,0,ffff800020e73b00) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e51ae0,ffff800020e73ab0,ffff800020e73b00) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e73b80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e73b80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8900, 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 pool_do_get: mbufpl free list modified: page 0xfffffd8064890000; item addr 0xfffffd8064890400; offset 0x0=0x4c09690000000000 != 0x4c0969fec4dfe73d ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824719f7) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828939b8,2,ffff800020e73538) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806ead6c88,9,fffffd8064890100,0,0,ffff800020e51ae0) at tcp_usrreq+0xa55 sosend(fffffd806ead6c88,0,ffff800020e73a18,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020e51ae0,4,ffff800020e73a18,0,ffff800020e73b00) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e51ae0,ffff800020e73ab0,ffff800020e73b00) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e73b80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e73b80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8900, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e73380 rbx 0xffff800020e73430 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff819bd72f kprintf+0x16f r9 0x1 r10 0x2 r11 0xcf11e7c81038dd0e r12 0x3000000008 r13 0xffff800020e73390 r14 0x104 r15 0x1 rip 0xffffffff816af6b8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e73370 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (sshd) pid=213550 stat=onproc flags process=12 proc=0 pri=50, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e504f0,0xffff800020e50290 process=0xffff800020e487c8 user=0xffff800020e6e000, vmspace=0xfffffd806e8fa8a8 estcpu=1, cpticks=4, pctcpu=0.0 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17891 274097 81465 0 3 0x80 nanosleep syz-executor.1 17891 318545 81465 0 3 0x4000000 biowait syz-executor.1 17891 337872 81465 0 3 0x4000080 fsleep syz-executor.1 24797 90936 0 0 3 0x14200 bored sosplice 81465 484170 5769 0 3 0x82 nanosleep syz-executor.1 14696 321515 5769 0 3 0x2 biowait syz-executor.0 5769 212373 13736 0 3 0x82 thrsleep syz-fuzzer 5769 351188 13736 0 3 0x4000082 nanosleep syz-fuzzer 5769 87221 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 509041 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 32885 13736 0 3 0x4000082 nanosleep syz-fuzzer 5769 266094 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 181883 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 460416 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 178455 13736 0 3 0x4000082 thrsleep syz-fuzzer 5769 507862 13736 0 3 0x4000082 kqread syz-fuzzer 13736 333894 65434 0 3 0x10008a pause ksh *65434 213550 15460 0 7 0x12 sshd 35181 180845 1 0 3 0x100083 ttyin getty 15460 454292 1 0 3 0x80 select sshd 72332 382397 65121 74 3 0x100092 bpf pflogd 65121 661 1 0 3 0x80 netio pflogd 45485 178761 11789 73 3 0x100090 kqread syslogd 11789 80991 1 0 3 0x100082 netio syslogd 55166 128380 1 77 3 0x100090 poll dhclient 82782 52013 1 0 3 0x80 poll dhclient 29369 450479 0 0 3 0x14200 bored smr 85035 81435 0 0 2 0x14200 zerothread 66111 497752 0 0 3 0x14200 aiodoned aiodoned 43655 179364 0 0 3 0x14200 syncer update 12078 103366 0 0 3 0x14200 cleaner cleaner 23780 249800 0 0 3 0x14200 reaper reaper 59209 112606 0 0 3 0x14200 pgdaemon pagedaemon 9479 273069 0 0 3 0x14200 bored crynlk 18490 314930 0 0 3 0x14200 bored crypto 78121 304466 0 0 3 0x40014200 acpi0 acpi0 94638 161486 0 0 3 0x40014200 idle1 81059 74494 0 0 7 0x14200 softnet 59184 345740 0 0 3 0x14200 bored systqmp 9834 350457 0 0 3 0x14200 bored systq 43551 160217 0 0 3 0x40014200 bored softclock 37504 58388 0 0 3 0x40014200 idle0 1 441004 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff828939c8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 tcp_output+0x15ba sys/netinet/tcp_output.c:673 #6 tcp_input+0x2356 #7 ip_deliver+0x353 sys/netinet/ip_input.c:668 #8 ip_ours+0x412 #9 ip_input_if+0x6ce #10 ipv4_input+0x48 sys/netinet/ip_input.c:215 #11 ether_input+0x345 sys/net/if_ethersubr.c:461 #12 if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] #12 if_input_process+0x10b sys/net/if.c:942 #13 ifiq_process+0x80 sys/net/ifq.c:646 #14 taskq_thread+0xec sys/kern/kern_task.c:437 #15 proc_trampoline+0x1c Process 17891 (syz-executor.1) thread 0xffff800020e32288 (318545) exclusive rrwlock inode r = 0 (0xfffffd806e7413c8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vn_write+0x11a sys/kern/vfs_vnops.c:411 #6 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #7 sys_pwritev+0xb8 sys/kern/vfs_syscalls.c:3338 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 Process 14696 (syz-executor.0) thread 0xffff800020dedd48 (321515) exclusive rrwlock inode r = 0 (0xfffffd806e4cb808) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140 #4 ffs_vget+0x13e sys/ufs/ffs/ffs_vfsops.c:1358 #5 ffs_inode_alloc+0x1cf sys/ufs/ffs/ffs_alloc.c:392 #6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:450 #8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3051 #9 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806b1f8918) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3036 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 Process 81059 (softnet) thread 0xffff800020d98270 (74494) exclusive rwlock netlock r = 0 (0xffffffff82735868) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_input_process+0x85 sys/net/if.c:941 #2 ifiq_process+0x80 sys/net/ifq.c:646 #3 taskq_thread+0xec sys/kern/kern_task.c:437 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0xdf sys/kern/kern_task.c:436 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9527 6541K 7178K 78643K 12269 0 pcb 13 8K 8K 78643K 69 0 rtable 95 3K 5K 78643K 325 0 ifaddr 80 16K 16K 78643K 130 0 counters 43 33K 34K 78643K 51 0 ioctlops 0 0K 4K 78643K 1519 0 iov 1 12K 24K 78643K 64 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 1727 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 72 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 345 0 sigio 0 0K 0K 78643K 4 0 proc 62 63K 95K 78643K 441 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 26 0 in_multi 67 3K 3K 78643K 98 0 ether_multi 1 0K 0K 78643K 6 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 253 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 147 89K 89K 78643K 2100 0 UVM aobj 23 4K 4K 78643K 27 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 53 0 NDP 12 0K 0K 78643K 21 0 temp 109 3852K 3927K 78643K 13822 0 kqueue 3 4K 13K 78643K 18 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 10 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 35 0 33 1 0 1 1 0 8 0 rtentry 112 58 0 20 2 0 2 2 0 8 0 unpcb 120 309 0 299 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 104 0 100 1 0 1 1 0 8 0 inpcb 280 331 0 322 3 1 2 2 0 8 1 nd6 48 9 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 2 0 2 1 1 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 18 0 18 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 22 0 6 1 0 1 1 0 8 0 pfstkey 112 22 0 6 1 0 1 1 0 8 0 pfstate 328 22 0 6 2 0 2 2 0 8 0 pfrule 1360 28 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 272 0 83 13 1 12 12 0 8 0 art_table 32 273 0 83 2 0 2 2 0 8 0 art_node 16 57 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 62 0 52 1 0 1 1 0 8 0 shmpl 112 25 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1865 0 459 89 1 88 89 0 8 0 ffsino 272 1865 0 459 94 0 94 94 0 8 0 nchpl 144 2519 0 909 60 0 60 60 0 8 0 uvmvnodes 72 2371 0 0 44 0 44 44 0 8 0 vnodes 208 2371 0 0 125 0 125 125 0 8 0 namei 1024 7281 0 7280 3 2 1 1 0 8 0 percpumem 16 36 0 4 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 12 0 5 2 1 1 1 0 8 0 pfiaddrpl 120 4 0 4 1 1 0 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 7914 0 7912 9 8 1 7 0 8 0 plimitpl 152 31 0 23 1 0 1 1 0 8 0 sigapl 424 561 0 529 4 0 4 4 0 8 0 futexpl 56 5520 0 5519 3 2 1 1 0 8 0 knotepl 112 77 0 58 1 0 1 1 0 8 0 kqueuepl 144 41 0 39 1 0 1 1 0 8 0 pipelkpl 48 131 0 121 1 0 1 1 0 8 0 pipepl 120 262 0 243 1 0 1 1 0 8 0 fdescpl 496 545 0 529 3 0 3 3 0 8 0 filepl 152 3484 0 3380 6 1 5 5 0 8 0 lockfpl 104 113 0 111 1 0 1 1 0 8 0 lockfspl 48 35 0 33 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 235 0 225 1 0 1 1 0 8 0 zombiepl 144 529 0 529 2 1 1 1 0 8 1 processpl 984 561 0 529 5 0 5 5 0 8 0 procpl 624 1295 0 1252 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 679 0 660 6 3 3 4 0 8 1 mcl64k 65536 256 0 0 32 2 30 32 0 8 1 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 157 0 0 19 0 19 19 0 8 0 mtagpl 80 189 0 0 4 0 4 4 0 8 0 mbufpl 256 603 0 0 36 0 36 36 0 8 0 mbufpl: pool(0xffffffff828939b8:mbufpl): free list modified: page 0xfffffd8064890000; item ordinal 0; addr 0xfffffd8064890400 (p 0xfffffd8064d78000); offset 0x0=0x4c09690000000000 bufpl 280 4289 0 139 297 0 297 297 0 8 0 anonpl 16 63383 0 47645 75 11 64 73 0 124 0 amapchunkpl 152 2903 0 2740 9 1 8 9 0 158 0 amappl16 192 2256 0 1419 50 7 43 49 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 177 0 170 1 0 1 1 0 8 0 amappl13 168 350 0 344 1 0 1 1 0 8 0 amappl12 160 159 0 153 2 1 1 1 0 8 0 amappl11 152 54 0 38 1 0 1 1 0 8 0 amappl10 144 22 0 16 1 0 1 1 0 8 0 amappl9 136 385 0 384 1 0 1 1 0 8 0 amappl8 128 380 0 339 2 0 2 2 0 8 0 amappl7 120 118 0 107 1 0 1 1 0 8 0 amappl6 112 27 0 18 2 1 1 1 0 8 0 amappl5 104 288 0 270 1 0 1 1 0 8 0 amappl4 96 661 0 628 1 0 1 1 0 8 0 amappl3 88 276 0 269 1 0 1 1 0 8 0 amappl2 80 3558 0 3483 2 0 2 2 0 8 0 amappl1 72 21715 0 21273 23 13 10 18 0 8 0 amappl 80 1560 0 1506 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 26 0 4 1 0 1 1 0 8 0 uaddrrnd 24 557 0 534 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 557 0 534 1 0 1 1 0 8 0 vmmpekpl 168 7805 0 7763 2 0 2 2 0 8 0 vmmpepl 168 73306 0 71251 120 25 95 112 0 357 0 vmsppl 368 556 0 534 3 0 3 3 0 8 0 pdppl 4096 1121 0 1075 7 0 7 7 0 8 1 pvpl 32 203529 0 184604 175 19 156 175 0 265 2 pmappl 232 556 0 534 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 319 0 12 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8277eff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,64) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,64) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,64) at comcnputc+0x131 sys/dev/ic/com.c:1254 cnputc(64) at cnputc+0x4c sys/dev/cons.c:239 kputchar(64,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x1b7c sys/kern/subr_prf.c:1052 panic(ffffffff824719f7) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline] panic(ffffffff824719f7) at panic+0xf3 sys/kern/subr_prf.c:197 pool_do_get(ffffffff828939b8,2,ffff800020db8a88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,3a4,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,3a4,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_input(ffff800020db9068,ffff800020db9074,6,2) at tcp_input+0x2356 end trace frame: 0xffff800020db8f20, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8277eff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,64) at x86_bus_space_io_write_1+0x45 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,64) at comcnputc+0x131 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,64) at comcnputc+0x131 sys/dev/ic/com.c:1254 cnputc(64) at cnputc+0x4c sys/dev/cons.c:239 kputchar(64,5,0) at kputchar+0x219 sys/kern/subr_prf.c:343 kprintf() at kprintf+0x1b7c sys/kern/subr_prf.c:1052 panic(ffffffff824719f7) at panic+0xf3 vprintf sys/kern/subr_prf.c:528 [inline] panic(ffffffff824719f7) at panic+0xf3 sys/kern/subr_prf.c:197 pool_do_get(ffffffff828939b8,2,ffff800020db8a88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,3a4,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,3a4,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_input(ffff800020db9068,ffff800020db9074,6,2) at tcp_input+0x2356 ip_deliver(ffff800020db9068,ffff800020db9074,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020db9068,ffff800020db9074,ffff800020d98270,0) at ip_ours+0x412 ip_input_if(ffff800020db9068,ffff800020db9074,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd80649d8500) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd80649d8500,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020db9198) at if_input_process+0x10b if_ih_input sys/net/if.c:908 [inline] if_input_process(ffff80000017b2a8,ffff800020db9198) at if_input_process+0x10b sys/net/if.c:942 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -22 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824719f7) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828939b8,2,ffff800020e73538) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806ead6c88,9,fffffd8064890100,0,0,ffff800020e51ae0) at tcp_usrreq+0xa55 sosend(fffffd806ead6c88,0,ffff800020e73a18,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020e51ae0,4,ffff800020e73a18,0,ffff800020e73b00) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e51ae0,ffff800020e73ab0,ffff800020e73b00) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e73b80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e73b80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8900, count: 3 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff824719f7) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828939b8,2,ffff800020e73538) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828939b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8064d74b00,1b80,580,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000ad6220) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806ead6c88,9,fffffd8064890100,0,0,ffff800020e51ae0) at tcp_usrreq+0xa55 sosend(fffffd806ead6c88,0,ffff800020e73a18,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020e51ae0,4,ffff800020e73a18,0,ffff800020e73b00) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e51ae0,ffff800020e73ab0,ffff800020e73b00) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e73b80) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e73b80) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd8900, count: -12