panic: pool_do_get: mbufpl free list modified: page 0xfffffd806f801000; item addr 0xfffffd806f801b00; offset 0x0=0x1991340000000000 != 0x199134d10a26eb9a Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 43515 14397 0 0x12 0 0 sshd 161952 96380 0 0x14000 0x200 1 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8249f74e) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82936538,2,ffff800020e04058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82936538,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000ad8540) at tcp_output+0x14e6 tcp_usrreq(fffffd806eaf0c88,9,fffffd806ac03d00,0,0,ffff800020e4e390) at tcp_usrreq+0xa55 sosend(fffffd806eaf0c88,0,ffff800020e044d8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e4e390,4,ffff800020e044d8,0,ffff800020e045c0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e4e390,ffff800020e04570,ffff800020e045c0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04640) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04640) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1570, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_do_get: mbufpl free list modified: page 0xfffffd806f801000; item addr 0xfffffd806f801b00; offset 0x0=0x1991340000000000 != 0x199134d10a26eb9a ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8249f74e) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82936538,2,ffff800020e04058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82936538,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000ad8540) at tcp_output+0x14e6 tcp_usrreq(fffffd806eaf0c88,9,fffffd806ac03d00,0,0,ffff800020e4e390) at tcp_usrreq+0xa55 sosend(fffffd806eaf0c88,0,ffff800020e044d8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e4e390,4,ffff800020e044d8,0,ffff800020e045c0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e4e390,ffff800020e04570,ffff800020e045c0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04640) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04640) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1570, count: -12 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e03ea0 rbx 0xffff800020e03f50 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800020e03e60 r9 0xffffffff817bd10f kprintf+0x16f r10 0x1 r11 0xdf2626b9793eeab r12 0x3000000008 r13 0xffff800020e03eb0 r14 0x100 r15 0x1 rip 0xffffffff821dd518 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e03e90 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (sshd) pid=43515 stat=onproc flags process=12 proc=0 pri=24, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020e4d760,0xffff800020e4d500 process=0xffff8000fffff758 user=0xffff800020dff000, vmspace=0xfffffd806e907cf8 estcpu=0, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66063 431160 0 0 3 0x14280 nfsidl nfsio 39702 226309 0 0 3 0x14280 nfsidl nfsio 95202 102798 0 0 3 0x14280 nfsidl nfsio 21884 345393 0 0 3 0x14280 nfsidl nfsio 16746 198554 0 0 3 0x14280 nfsidl nfsio 25733 125525 0 0 3 0x14280 nfsidl nfsio 38431 422893 0 0 3 0x14280 nfsidl nfsio 96888 293496 0 0 3 0x14280 nfsidl nfsio 29103 171305 0 0 3 0x14280 nfsidl nfsio 25189 25931 0 0 3 0x14280 nfsidl nfsio 84956 99330 0 0 3 0x14280 nfsidl nfsio 93542 215561 0 0 3 0x14280 nfsidl nfsio 81268 73230 0 0 3 0x14280 nfsidl nfsio 31440 22642 0 0 3 0x14280 nfsidl nfsio 29381 228163 0 0 3 0x14280 nfsidl nfsio 65101 355486 0 0 3 0x14280 nfsidl nfsio 26923 427100 0 0 3 0x14280 nfsidl nfsio 13035 281856 0 0 3 0x14280 nfsidl nfsio 90108 41298 0 0 3 0x14280 nfsidl nfsio 27604 460045 0 0 3 0x14280 nfsidl nfsio 9699 247726 4566 0 2 0x2 syz-executor.1 4566 392904 25564 0 2 0x2 syz-fuzzer 4566 65903 25564 0 3 0x4000082 nanosleep syz-fuzzer 4566 350798 25564 0 3 0x4000082 thrsleep syz-fuzzer 4566 305654 25564 0 3 0x4000082 thrsleep syz-fuzzer 4566 77692 25564 0 3 0x4000082 thrsleep syz-fuzzer 4566 112997 25564 0 3 0x4000082 thrsleep syz-fuzzer 4566 314829 25564 0 3 0x4000082 thrsleep syz-fuzzer 4566 270915 25564 0 3 0x4000082 kqread syz-fuzzer 25564 12140 14397 0 3 0x10008a pause ksh *14397 43515 50758 0 7 0x12 sshd 89960 276863 1 0 3 0x100083 ttyin getty 50758 315284 1 0 3 0x80 select sshd 37549 178123 1257 74 3 0x100092 bpf pflogd 1257 400924 1 0 3 0x80 netio pflogd 78420 144063 39471 73 3 0x100090 kqread syslogd 39471 471618 1 0 3 0x100082 netio syslogd 75335 6369 1 77 3 0x100090 poll dhclient 8125 524088 1 0 3 0x80 poll dhclient 41974 510849 0 0 3 0x14200 bored smr 54653 76760 0 0 2 0x14200 zerothread 48820 340909 0 0 3 0x14200 aiodoned aiodoned 59624 289378 0 0 3 0x14200 syncer update 38856 239492 0 0 3 0x14200 cleaner cleaner 86376 88704 0 0 3 0x14200 reaper reaper 55175 291078 0 0 3 0x14200 pgdaemon pagedaemon 72123 438584 0 0 3 0x14200 bored crynlk 83228 363239 0 0 3 0x14200 bored crypto 80500 487148 0 0 3 0x40014200 acpi0 acpi0 37213 505070 0 0 3 0x40014200 idle1 96380 161952 0 0 7 0x14200 softnet 44460 177391 0 0 3 0x14200 bored systqmp 65429 11663 0 0 3 0x14200 bored systq 82353 212919 0 0 3 0x40014200 bored softclock 84686 10994 0 0 3 0x40014200 idle0 1 118288 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff82936548) #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_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #5 tcp_output+0x14e6 #6 tcp_usrreq+0xa55 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #9 sys_write+0x83 sys/kern/sys_generic.c:285 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82931898) #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 uvm_pmr_freepages+0x126 sys/uvm/uvm_pmemrange.c:1254 #4 uvm_km_pgremove_intrsafe+0x86 sys/uvm/uvm_km.c:294 #5 uvm_unmap_kill_entry+0x112 sys/uvm/uvm_map.c:2116 #6 uvm_unmap_remove+0x398 sys/uvm/uvm_map.c:2231 #7 uvm_unmap+0x85 vm_map_unlock_ln sys/uvm/uvm_map.c:5481 [inline] #7 uvm_unmap+0x85 sys/uvm/uvm_map.c:2041 #8 free+0x1fe sys/kern/kern_malloc.c:437 #9 ufs_readdir+0x399 sys/ufs/ufs/ufs_vnops.c:1509 #10 VOP_READDIR+0xc6 sys/kern/vfs_vops.c:520 #11 sys_getdents+0x21d sys/kern/vfs_syscalls.c:3121 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 exclusive mutex &map->mtx r = 0 (0xffffffff82863468) #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 vm_map_lock_ln+0x60 sys/uvm/uvm_map.c:5454 #4 uvm_unmap+0x6b sys/uvm/uvm_map.c:2040 #5 free+0x1fe sys/kern/kern_malloc.c:437 #6 ufs_readdir+0x399 sys/ufs/ufs/ufs_vnops.c:1509 #7 VOP_READDIR+0xc6 sys/kern/vfs_vops.c:520 #8 sys_getdents+0x21d sys/kern/vfs_syscalls.c:3121 #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 Process 9699 (syz-executor.1) thread 0xffff800020ddc758 (247726) exclusive rrwlock inode r = 0 (0xfffffd8068269e70) #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 sys_getdents+0x1aa sys/kern/vfs_syscalls.c:3106 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828ecbf8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 14397 (sshd) thread 0xffff800020e4e390 (43515) exclusive rwlock netlock r = 0 (0xffffffff826f8418) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #4 sys_write+0x83 sys/kern/sys_generic.c:285 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 exclusive mutex mbufpl r = 0 (0xffffffff82936548) #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_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #5 tcp_output+0x14e6 #6 tcp_usrreq+0xa55 #7 sosend+0x671 sys/kern/uipc_socket.c:555 #8 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #9 sys_write+0x83 sys/kern/sys_generic.c:285 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9529 6552K 6922K 78643K 11199 0 pcb 13 8K 8K 78643K 83 0 rtable 104 4K 7K 78643K 502 0 ifaddr 74 14K 16K 78643K 162 0 sysctl 2 0K 0K 78643K 2 0 counters 41 33K 34K 78643K 57 0 ioctlops 0 0K 4K 78643K 1542 0 iov 0 0K 12K 78643K 59 0 mount 1 1K 1K 78643K 1 0 vnodes 1207 76K 76K 78643K 1428 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 128 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 590 0 sigio 0 0K 0K 78643K 6 0 proc 61 63K 83K 78643K 528 0 subproc 16 1K 1K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 708 0 in_multi 45 2K 2K 78643K 174 0 ether_multi 1 0K 0K 78643K 8 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 239 0 pfkey data 0 0K 0K 78643K 1 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 164 67K 67K 78643K 2657 0 UVM aobj 15 6K 6K 78643K 21 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 46 0 NDP 12 0K 0K 78643K 36 0 temp 117 3865K 3929K 78643K 4266 0 kqueue 3 4K 9K 78643K 24 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 arp 64 10 0 5 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 99 0 59 4 2 2 2 0 8 0 unpcb 120 163 0 153 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 1302 0 1302 1 1 0 1 0 8 0 tcpcb 544 718 0 704 3 1 2 2 0 8 1 inpcb 296 1007 0 999 4 2 2 2 0 8 1 rttmr 72 3 0 2 1 0 1 1 0 8 0 nd6 48 36 0 29 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1136 2 0 2 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 3 0 2 2 1 1 1 0 482 0 pffrnode 88 3 0 2 2 1 1 1 0 8 0 pffrent 40 7 0 6 2 1 1 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 54 0 52 3 2 1 1 0 8 0 pfstitem 24 12 0 9 1 0 1 1 0 8 0 pfstkey 112 17 0 14 1 0 1 1 0 8 0 pfstate 328 15 0 12 2 1 1 2 0 8 0 pfrule 1360 33 0 28 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 504 0 277 18 3 15 15 0 8 0 art_table 32 505 0 277 2 0 2 2 0 8 0 art_node 16 98 0 62 1 0 1 1 0 8 0 sysvmsgpl 40 56 0 18 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 121 0 111 1 0 1 1 0 8 0 shmpl 112 18 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2062 0 660 88 0 88 88 0 8 0 ffsino 272 2062 0 660 95 1 94 94 0 8 0 nchpl 144 3160 0 1569 60 0 60 60 0 8 0 uvmvnodes 72 2289 0 0 42 0 42 42 0 8 0 vnodes 208 2289 0 0 121 0 121 121 0 8 0 namei 1024 8618 0 8618 2 1 1 1 0 8 1 percpumem 16 39 0 8 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 560 8 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 16 0 14 3 2 1 1 0 8 0 scxspl 192 8999 0 8999 10 9 1 7 0 8 1 plimitpl 152 61 0 54 1 0 1 1 0 8 0 sigapl 424 823 0 774 6 0 6 6 0 8 0 futexpl 56 9886 0 9886 1 0 1 1 0 8 1 knotepl 112 97 0 83 1 0 1 1 0 8 0 kqueuepl 144 52 0 50 1 0 1 1 0 8 0 pipepl 304 124 0 116 1 0 1 1 0 8 0 fdescpl 496 788 0 774 7 5 2 3 0 8 0 filepl 152 4377 0 4297 5 1 4 4 0 8 0 lockfpl 104 88 0 87 1 0 1 1 0 8 0 lockfspl 48 39 0 38 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 330 0 321 1 0 1 1 0 8 0 zombiepl 144 774 0 774 2 1 1 1 0 8 1 processpl 992 823 0 774 8 1 7 7 0 8 0 procpl 624 1810 0 1754 5 0 5 5 0 8 0 sockpl 400 1201 0 1182 6 2 4 4 0 8 2 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 220 0 0 27 0 27 27 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 292 0 0 14 0 14 14 0 8 0 mbufpl: pool(0xffffffff82936538:mbufpl): free list modified: page 0xfffffd806f801000; item ordinal 0; addr 0xfffffd806f801b00 (p 0xfffffd806f571000); offset 0x0=0x1991340000000000 bufpl 280 4272 0 126 297 0 297 297 0 8 0 anonpl 16 92411 0 74453 77 3 74 75 0 124 1 amapchunkpl 152 4181 0 3882 18 6 12 16 0 158 0 amappl16 192 3278 0 2424 45 1 44 44 0 8 1 amappl15 184 3 0 1 1 0 1 1 0 8 0 amappl14 176 122 0 121 1 0 1 1 0 8 0 amappl13 168 35 0 33 1 0 1 1 0 8 0 amappl12 160 33 0 29 1 0 1 1 0 8 0 amappl11 152 323 0 306 1 0 1 1 0 8 0 amappl10 144 20 0 14 1 0 1 1 0 8 0 amappl9 136 539 0 538 1 0 1 1 0 8 0 amappl8 128 544 0 501 2 0 2 2 0 8 0 amappl7 120 122 0 109 1 0 1 1 0 8 0 amappl6 112 297 0 289 1 0 1 1 0 8 0 amappl5 104 696 0 681 1 0 1 1 0 8 0 amappl4 96 508 0 478 1 0 1 1 0 8 0 amappl3 88 239 0 230 1 0 1 1 0 8 0 amappl2 80 5271 0 5213 2 0 2 2 0 8 0 amappl1 72 30763 0 30349 23 13 10 18 0 8 0 amappl 80 2091 0 2017 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 20 0 6 1 0 1 1 0 8 0 uaddrrnd 24 796 0 776 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 796 0 776 1 0 1 1 0 8 0 vmmpekpl 168 9044 0 9013 2 0 2 2 0 8 0 vmmpepl 168 106381 0 104483 164 57 107 122 0 357 19 vmsppl 368 795 0 776 2 0 2 2 0 8 0 pdppl 4096 1599 0 1558 7 1 6 6 0 8 0 pvpl 32 290707 0 269892 182 10 172 179 0 265 2 pmappl 232 795 0 776 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 280 0 12 8 0 8 8 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:398 panic(ffffffff8249f74e) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82936538,2,ffff800020e04058) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82936538,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000ad8540) at tcp_output+0x14e6 tcp_usrreq(fffffd806eaf0c88,9,fffffd806ac03d00,0,0,ffff800020e4e390) at tcp_usrreq+0xa55 sosend(fffffd806eaf0c88,0,ffff800020e044d8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff800020e4e390,4,ffff800020e044d8,0,ffff800020e045c0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020e4e390,ffff800020e04570,ffff800020e045c0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04640) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04640) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1570, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d70ff0) 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 __mp_lock(ffffffff828ec9f0) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828ec9f0) at __mp_lock+0x12e sys/kern/kern_lock.c:147 if_qstart_compat(ffff80000017c520) at if_qstart_compat+0x1a sys/net/if.c:675 ifq_serialize(ffff80000017c520,ffff80000017c638) at ifq_serialize+0x173 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: 8 ddb{1}> trace x86_ipi_db(ffff800020d70ff0) 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 __mp_lock(ffffffff828ec9f0) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828ec9f0) at __mp_lock+0x12e sys/kern/kern_lock.c:147 if_qstart_compat(ffff80000017c520) at if_qstart_compat+0x1a sys/net/if.c:675 ifq_serialize(ffff80000017c520,ffff80000017c638) at ifq_serialize+0x173 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xec sys/kern/kern_task.c:437 end trace frame: 0x0, count: -7