panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8063ecd900+24 0x93c639007feea88e!=0x93c639801c32e78e Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 24979 84583 0 0x12 0 1 sshd 102689 31515 0 0x14000 0x200 0 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82407a62) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828c6318,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000adab90) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eaf4968,9,fffffd8063f2dc00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eaf4968,0,ffff800020e03fe8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff8000fffffb38,4,ffff800020e03fe8,0,ffff800020e040d0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff8000fffffb38,ffff800020e04080,ffff800020e040d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04150) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04150) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0520, 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_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8063ecd900+24 0x93c639007feea88e!=0x93c639801c32e78e ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82407a62) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828c6318,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000adab90) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eaf4968,9,fffffd8063f2dc00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eaf4968,0,ffff800020e03fe8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff8000fffffb38,4,ffff800020e03fe8,0,ffff800020e040d0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff8000fffffb38,ffff800020e04080,ffff800020e040d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04150) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04150) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0520, count: -12 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e03980 rbx 0xffff800020e03a30 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800020e03940 r9 0xffffffff82193d9f kprintf+0x16f r10 0x1 r11 0xf8af486e6ab34c65 r12 0x3000000008 r13 0xffff800020e03990 r14 0x100 r15 0x1 rip 0xffffffff820d5aa8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e03970 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (sshd) pid=24979 stat=onproc flags process=12 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffffe500,0xffff8000ffffe020 process=0xffff8000ffffc000 user=0xffff800020dff000, vmspace=0xfffffd806e8fe008 estcpu=1, cpticks=2, pctcpu=0.3 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58149 97462 59544 0 2 0 syz-executor.1 4896 406988 86409 0 3 0x2 biowait syz-executor.0 45977 253607 0 0 3 0x14280 nfsidl nfsio 32786 353765 0 0 3 0x14280 nfsidl nfsio 41969 119410 0 0 3 0x14280 nfsidl nfsio 48204 422360 0 0 3 0x14280 nfsidl nfsio 63029 344183 0 0 3 0x14280 nfsidl nfsio 46439 40103 0 0 3 0x14280 nfsidl nfsio 91117 488293 0 0 3 0x14280 nfsidl nfsio 50345 508866 0 0 3 0x14280 nfsidl nfsio 31767 89951 0 0 3 0x14280 nfsidl nfsio 22298 82573 0 0 3 0x14280 nfsidl nfsio 3337 501578 0 0 3 0x14280 nfsidl nfsio 91150 74402 0 0 3 0x14280 nfsidl nfsio 25161 217405 0 0 3 0x14280 nfsidl nfsio 7869 195717 0 0 3 0x14280 nfsidl nfsio 43143 37076 0 0 3 0x14280 nfsidl nfsio 96533 391264 0 0 3 0x14280 nfsidl nfsio 69736 315796 0 0 3 0x14280 nfsidl nfsio 58773 403225 0 0 3 0x14280 nfsidl nfsio 90787 279124 0 0 3 0x14280 nfsidl nfsio 98204 518210 0 0 3 0x14280 nfsidl nfsio 25111 317328 0 0 3 0x14200 bored sosplice 82273 284246 0 0 3 0x14200 acct acct 59544 41691 86409 0 3 0x82 nanosleep syz-executor.1 86409 174055 65874 0 3 0x82 thrsleep syz-fuzzer 86409 43557 65874 0 3 0x4000082 nanosleep syz-fuzzer 86409 46457 65874 0 3 0x4000082 thrsleep syz-fuzzer 86409 451437 65874 0 3 0x4000082 thrsleep syz-fuzzer 86409 92377 65874 0 3 0x4000082 thrsleep syz-fuzzer 86409 108682 65874 0 3 0x4000082 thrsleep syz-fuzzer 86409 420774 65874 0 3 0x4000082 kqread syz-fuzzer 86409 346069 65874 0 3 0x4000082 nanosleep syz-fuzzer 65874 153492 84583 0 3 0x10008a pause ksh *84583 24979 90176 0 7 0x12 sshd 90736 380638 1 0 3 0x100083 ttyopn getty 90176 319687 1 0 3 0x80 select sshd 59317 339849 43862 74 3 0x100092 bpf pflogd 43862 228778 1 0 3 0x80 netio pflogd 19937 99703 92022 73 3 0x100090 kqread syslogd 92022 456720 1 0 3 0x100082 netio syslogd 95515 508032 1 77 3 0x100090 poll dhclient 40531 508299 1 0 3 0x80 poll dhclient 13326 41419 0 0 3 0x14200 bored smr 7635 13841 0 0 2 0x14200 zerothread 5458 166366 0 0 3 0x14200 aiodoned aiodoned 24330 33179 0 0 3 0x14200 syncer update 51874 455444 0 0 3 0x14200 cleaner cleaner 76422 336795 0 0 3 0x14200 reaper reaper 44756 276844 0 0 3 0x14200 pgdaemon pagedaemon 97603 496081 0 0 3 0x14200 bored crynlk 86391 406448 0 0 3 0x14200 bored crypto 82879 408720 0 0 3 0x40014200 acpi0 acpi0 81513 286107 0 0 3 0x40014200 idle1 31515 102689 0 0 7 0x14200 softnet 92999 515986 0 0 3 0x14200 bored systqmp 6968 333168 0 0 3 0x14200 bored systq 70405 507934 0 0 3 0x40014200 bored softclock 35099 28594 0 0 3 0x40014200 idle0 1 412851 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd80653e44a0) #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 pmap_enter+0x1bc rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1bc pmap_map_ptes sys/arch/amd64/amd64/pmap.c:414 [inline] #3 pmap_enter+0x1bc sys/arch/amd64/amd64/pmap.c:2678 #4 uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 #5 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #6 usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 #7 recall_trap+0x8 Process 58149 (syz-executor.1) thread 0xffff800023fac798 (97462) shared rwlock vmmaplk r = 0 (0xfffffd806432ee88) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1448 #2 uvm_fault+0xd85 sys/uvm/uvm_fault.c:524 #3 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #4 usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 #5 recall_trap+0x8 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828d0898) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 pageflttrap+0x7f sys/arch/amd64/amd64/trap.c:180 #2 usertrap+0x21a sys/arch/amd64/amd64/trap.c:384 #3 recall_trap+0x8 Process 4896 (syz-executor.0) thread 0xffff800023fac520 (406988) exclusive rrwlock inode r = 0 (0xfffffd806e6bf1a8) #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 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806819a1b0) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #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 84583 (sshd) thread 0xffff8000fffffb38 (24979) exclusive rwlock netlock r = 0 (0xffffffff82795a50) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9509 6419K 6790K 78643K 11238 0 pcb 13 8K 8K 78643K 71 0 rtable 113 6K 7K 78643K 445 0 ifaddr 76 15K 17K 78643K 183 0 counters 43 33K 34K 78643K 69 0 ioctlops 0 0K 4K 78643K 1539 0 iov 0 0K 14K 78643K 978 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1427 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 15 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 101 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 941 0 sigio 0 0K 0K 78643K 4 0 proc 61 63K 83K 78643K 505 0 subproc 32 2K 2K 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 36 0 in_multi 69 3K 3K 78643K 162 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 264 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 169 74K 74K 78643K 3780 0 UVM aobj 36 2K 2K 78643K 38 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 39 0 NDP 11 0K 0K 78643K 43 0 temp 131 3872K 3938K 78643K 5116 0 kqueue 5 8K 12K 78643K 16 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 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 49 0 47 1 0 1 1 0 8 0 rtentry 112 80 0 39 2 0 2 2 0 8 0 unpcb 120 429 0 419 1 0 1 1 0 8 0 syncache 272 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1283 0 1283 1 1 0 1 0 8 0 tcpcb 592 550 0 528 6 2 4 4 0 8 1 inpcb 296 910 0 903 4 2 2 2 0 8 1 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 25 0 21 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 ppxss 1136 2 0 2 2 2 0 1 0 8 0 pffrag 232 10 0 8 1 0 1 1 0 482 0 pffrnode 88 10 0 8 1 0 1 1 0 8 0 pffrent 40 237 0 235 1 0 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 pfrke_plain 160 3 0 0 1 0 1 1 0 8 0 pfrktable 1344 28 0 23 2 1 1 1 0 8 0 pfstitem 24 71 0 23 1 0 1 1 0 8 0 pfstkey 112 73 0 25 2 0 2 2 0 8 0 pfstate 328 70 0 24 4 0 4 4 0 8 0 pfrule 1360 25 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 283 0 109 14 3 11 14 0 8 0 art_table 32 284 0 109 2 0 2 2 0 8 0 art_node 16 79 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 97 0 87 1 0 1 1 0 8 0 shmpl 112 35 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2458 0 1055 88 0 88 88 0 8 0 ffsino 272 2458 0 1055 95 1 94 94 0 8 0 nchpl 144 5139 0 3544 60 0 60 60 0 8 0 uvmvnodes 72 2656 0 0 49 0 49 49 0 8 0 vnodes 208 2656 0 0 140 0 140 140 0 8 0 namei 1024 12193 0 12193 3 2 1 1 0 8 1 percpumem 16 45 0 13 1 0 1 1 0 8 0 vcpupl 1984 9 0 0 2 0 2 2 0 8 0 vmpool 560 9 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 6 2 1 1 1 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 200 11211 0 11210 11 8 3 7 0 8 2 plimitpl 152 66 0 58 1 0 1 1 0 8 0 sigapl 424 1175 0 1122 7 0 7 7 0 8 1 futexpl 56 11650 0 11650 2 1 1 1 0 8 1 knotepl 112 90 0 70 1 0 1 1 0 8 0 kqueuepl 152 42 0 38 1 0 1 1 0 8 0 pipepl 304 168 0 157 2 0 2 2 0 8 1 fdescpl 496 1138 0 1122 3 0 3 3 0 8 0 filepl 152 6953 0 6851 6 1 5 5 0 8 1 lockfpl 104 96 0 95 1 0 1 1 0 8 0 lockfspl 48 38 0 37 1 0 1 1 0 8 0 sessionpl 120 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 488 0 479 1 0 1 1 0 8 0 zombiepl 144 1122 0 1122 2 1 1 1 0 8 1 processpl 1008 1175 0 1122 8 1 7 7 0 8 0 procpl 632 2934 0 2874 7 1 6 6 0 8 0 sosppl 144 7 0 7 2 2 0 1 0 8 0 sockpl 400 1401 0 1382 7 4 3 4 0 8 1 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 220 0 0 27 0 27 27 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 619 0 0 37 0 37 37 0 8 0 bufpl 280 4676 0 135 325 0 325 325 0 8 0 anonpl 16 109172 0 93472 76 1 75 75 0 124 0 amapchunkpl 152 6032 0 5764 26 14 12 25 0 158 0 amappl16 192 4835 0 3946 46 0 46 46 0 8 1 amappl15 184 470 0 469 2 1 1 1 0 8 0 amappl14 176 4 0 2 1 0 1 1 0 8 0 amappl13 168 441 0 436 1 0 1 1 0 8 0 amappl12 160 22 0 18 1 0 1 1 0 8 0 amappl11 152 60 0 45 1 0 1 1 0 8 0 amappl10 144 28 0 24 1 0 1 1 0 8 0 amappl9 136 391 0 389 1 0 1 1 0 8 0 amappl8 128 409 0 364 2 0 2 2 0 8 0 amappl7 120 123 0 109 1 0 1 1 0 8 0 amappl6 112 31 0 25 1 0 1 1 0 8 0 amappl5 104 1032 0 1016 1 0 1 1 0 8 0 amappl4 96 910 0 879 1 0 1 1 0 8 0 amappl3 88 505 0 497 1 0 1 1 0 8 0 amappl2 80 8540 0 8470 2 0 2 2 0 8 0 amappl1 72 40738 0 40293 23 13 10 18 0 8 0 amappl 80 3212 0 3137 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 37 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1147 0 1122 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1147 0 1122 1 0 1 1 0 8 0 vmmpekpl 168 12373 0 12330 3 0 3 3 0 8 0 vmmpepl 168 150674 0 148565 154 26 128 128 0 357 30 vmsppl 368 1146 0 1122 3 0 3 3 0 8 0 pdppl 4096 2301 0 2253 8 1 7 7 0 8 1 pvpl 32 351553 0 332595 181 5 176 181 0 265 0 pmappl 232 1146 0 1122 2 0 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 298 0 16 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff827a7ff0) 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(ffffffff828d0690) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828d0690) at __mp_lock+0x127 sys/kern/kern_lock.c:147 if_qstart_compat(ffff80000017c538) at if_qstart_compat+0x1a sys/net/if.c:675 ifq_serialize(ffff80000017c538,ffff80000017c658) at ifq_serialize+0x173 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff827a7ff0) 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(ffffffff828d0690) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828d0690) at __mp_lock+0x127 sys/kern/kern_lock.c:147 if_qstart_compat(ffff80000017c538) at if_qstart_compat+0x1a sys/net/if.c:675 ifq_serialize(ffff80000017c538,ffff80000017c658) at ifq_serialize+0x173 sys/net/ifq.c:113 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: -7 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(ffffffff82407a62) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828c6318,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000adab90) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eaf4968,9,fffffd8063f2dc00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eaf4968,0,ffff800020e03fe8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff8000fffffb38,4,ffff800020e03fe8,0,ffff800020e040d0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff8000fffffb38,ffff800020e04080,ffff800020e040d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04150) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04150) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0520, count: 3 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82407a62) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828c6318) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828c6318,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8063f2dc00,580,2ec,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 tcp_output(ffff800000adab90) at tcp_output+0x15ba sys/netinet/tcp_output.c:673 tcp_usrreq(fffffd806eaf4968,9,fffffd8063f2dc00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eaf4968,0,ffff800020e03fe8,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:555 dofilewritev(ffff8000fffffb38,4,ffff800020e03fe8,0,ffff800020e040d0) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff8000fffffb38,ffff800020e04080,ffff800020e040d0) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e04150) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e04150) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0520, count: -12