login: panic: pool_do_get: mbufpl free list modified: page 0xfffffd80693f6000; item addr 0xfffffd80693f6500; offset 0x0=0x0 != 0xa775dfd0464b587c Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 8753 43024 0 0 0x4000000 0K syz-executor.1 475093 62795 77 0x100010 0x80 1 dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82494539) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8292d3b8,2,ffff800020ed4608) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8292d3b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 mld6_sendpkt(ffff800000b2c480,83,0) at mld6_sendpkt+0x8e sys/netinet6/mld6.c:405 mld6_start_listening(ffff800000b2c480) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136 in6_addmulti(ffff800020ed4a20,ffff8000006aa000,ffff800020ed4aa8) at in6_addmulti+0x25e sys/netinet6/in6.c:1073 in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 in6_joingroup sys/netinet6/in6.c:1142 [inline] in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 sys/netinet6/in6.c:764 in6_ioctl_change_ifaddr(8080691a,ffff800020ed4cc0,ffff8000006aa000) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd806c89b970,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at ifioctl+0xe70 sys/net/if.c:2180 soo_ioctl(fffffd80683284c0,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000230f5ec8,ffff800020ed4dd8,ffff800020ed4e20) at sys_ioctl+0x4a5 syscall(ffff800020ed4ea0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed4ea0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 end trace frame: 0xffff800020ed4f20, count: 0 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 0xfffffd80693f6000; item addr 0xfffffd80693f6500; offset 0x0=0x0 != 0xa775dfd0464b587c ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82494539) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8292d3b8,2,ffff800020ed4608) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8292d3b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 mld6_sendpkt(ffff800000b2c480,83,0) at mld6_sendpkt+0x8e sys/netinet6/mld6.c:405 mld6_start_listening(ffff800000b2c480) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136 in6_addmulti(ffff800020ed4a20,ffff8000006aa000,ffff800020ed4aa8) at in6_addmulti+0x25e sys/netinet6/in6.c:1073 in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 in6_joingroup sys/netinet6/in6.c:1142 [inline] in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 sys/netinet6/in6.c:764 in6_ioctl_change_ifaddr(8080691a,ffff800020ed4cc0,ffff8000006aa000) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd806c89b970,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at ifioctl+0xe70 sys/net/if.c:2180 soo_ioctl(fffffd80683284c0,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000230f5ec8,ffff800020ed4dd8,ffff800020ed4e20) at sys_ioctl+0x4a5 syscall(ffff800020ed4ea0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed4ea0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64bc5c2a1d0, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800020ed4450 rbx 0xffff800020ed4500 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff816102df kprintf+0x16f r9 0x1 r10 0x2 r11 0x9ce9b3ce94d5e076 r12 0x3000000008 r13 0xffff800020ed4460 r14 0x100 r15 0x1 rip 0xffffffff81fed948 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020ed4440 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=8753 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000230f5298,0xffffffff8292eea0 process=0xffff800023f8ebd0 user=0xffff800020ecf000, vmspace=0xfffffd8077939d00 estcpu=1, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43024 164059 87524 0 2 0 syz-executor.1 *43024 8753 87524 0 7 0x4000000 syz-executor.1 42494 165059 1 0 3 0x100083 ttyin getty 43728 28008 0 0 3 0x14200 acct acct 24927 218255 60486 0 3 0x2 biowait syz-executor.0 39190 374306 0 0 3 0x14280 nfsidl nfsio 89523 369026 0 0 3 0x14280 nfsidl nfsio 20806 256241 0 0 3 0x14280 nfsidl nfsio 61362 80435 0 0 3 0x14280 nfsidl nfsio 75908 156484 0 0 3 0x14280 nfsidl nfsio 87677 332782 0 0 3 0x14280 nfsidl nfsio 11510 414315 0 0 3 0x14280 nfsidl nfsio 82349 115537 0 0 3 0x14280 nfsidl nfsio 47539 156844 0 0 3 0x14280 nfsidl nfsio 76929 213850 0 0 3 0x14280 nfsidl nfsio 70222 480946 0 0 3 0x14280 nfsidl nfsio 64241 235780 0 0 3 0x14280 nfsidl nfsio 26497 488347 0 0 3 0x14280 nfsidl nfsio 73202 108212 0 0 3 0x14280 nfsidl nfsio 60283 141725 0 0 3 0x14280 nfsidl nfsio 36930 81962 0 0 3 0x14280 nfsidl nfsio 86661 465829 0 0 3 0x14280 nfsidl nfsio 20868 111875 0 0 3 0x14280 nfsidl nfsio 97682 20924 0 0 3 0x14280 nfsidl nfsio 32076 316890 0 0 3 0x14280 nfsidl nfsio 70587 301947 0 0 3 0x14200 bored sosplice 87524 368174 60486 0 3 0x82 nanosleep syz-executor.1 60486 4857 51402 0 3 0x82 kqread syz-fuzzer 60486 28541 51402 0 3 0x4000082 nanosleep syz-fuzzer 60486 318290 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 77860 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 266363 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 309020 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 115677 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 380049 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 110891 51402 0 3 0x4000082 thrsleep syz-fuzzer 60486 290220 51402 0 3 0x4000082 nanosleep syz-fuzzer 51402 344697 28274 0 3 0x10008a pause ksh 28274 72943 1808 0 3 0x92 select sshd 1808 329998 1 0 3 0x80 select sshd 92411 90389 41511 74 3 0x100092 bpf pflogd 41511 485740 1 0 3 0x80 netio pflogd 8903 154986 52244 73 3 0x100090 kqread syslogd 52244 17643 1 0 3 0x100082 netio syslogd 62795 475093 1 77 7 0x100090 dhclient 10236 453813 1 0 3 0x80 poll dhclient 73825 241526 0 0 3 0x14200 bored smr 30055 8590 0 0 3 0x14200 pgzero zerothread 59972 297557 0 0 3 0x14200 aiodoned aiodoned 89920 50703 0 0 3 0x14200 syncer update 91071 366560 0 0 3 0x14200 cleaner cleaner 39070 291156 0 0 3 0x14200 reaper reaper 97131 496643 0 0 3 0x14200 pgdaemon pagedaemon 20640 440171 0 0 3 0x14200 bored crynlk 80209 318259 0 0 3 0x14200 bored crypto 37259 360588 0 0 3 0x40014200 acpi0 acpi0 61076 338207 0 0 3 0x40014200 idle1 13128 301200 0 0 3 0x14200 bored softnet 80749 414673 0 0 3 0x14200 bored systqmp 7651 148863 0 0 3 0x14200 bored systq 68675 155366 0 0 3 0x40014200 bored softclock 45642 333400 0 0 3 0x40014200 idle0 1 303117 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 (0xffffffff8292d3c8) #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 mld6_sendpkt+0x8e sys/netinet6/mld6.c:405 #6 mld6_start_listening+0x8e sys/netinet6/mld6.c:136 #7 in6_addmulti+0x25e sys/netinet6/in6.c:1073 #8 in6_update_ifa+0x1530 in6_joingroup sys/netinet6/in6.c:1142 [inline] #8 in6_update_ifa+0x1530 sys/netinet6/in6.c:764 #9 in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 #10 ifioctl+0xe70 sys/net/if.c:2180 #11 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #12 sys_ioctl+0x4a5 #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 Process 43024 (syz-executor.1) thread 0xffff8000230f5ec8 (8753) exclusive rwlock netlock r = 0 (0xffffffff82700598) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in6_ioctl_change_ifaddr+0x155 sys/netinet6/in6.c:295 #2 ifioctl+0xe70 sys/net/if.c:2180 #3 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #4 sys_ioctl+0x4a5 #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 kernel_lock &kernel_lock r = 0 (0xffffffff828c5528) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive mutex mbufpl r = 0 (0xffffffff8292d3c8) #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 mld6_sendpkt+0x8e sys/netinet6/mld6.c:405 #6 mld6_start_listening+0x8e sys/netinet6/mld6.c:136 #7 in6_addmulti+0x25e sys/netinet6/in6.c:1073 #8 in6_update_ifa+0x1530 in6_joingroup sys/netinet6/in6.c:1142 [inline] #8 in6_update_ifa+0x1530 sys/netinet6/in6.c:764 #9 in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 #10 ifioctl+0xe70 sys/net/if.c:2180 #11 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #12 sys_ioctl+0x4a5 #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 Process 24927 (syz-executor.0) thread 0xffff800020e37288 (218255) exclusive rrwlock inode r = 0 (0xfffffd806e2861a8) #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 (0xfffffd806b1edc48) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9519 6438K 6818K 78643K 11217 0 pcb 13 8K 8K 78643K 87 0 rtable 104 5K 8K 78643K 480 0 ifaddr 79 16K 17K 78643K 152 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 59 0 ioctlops 0 0K 4K 78643K 1574 0 iov 0 0K 16K 78643K 48 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1432 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 11 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 133 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 630 0 sigio 0 0K 0K 78643K 11 0 proc 61 63K 95K 78643K 520 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 32 0 in_multi 58 3K 3K 78643K 109 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 11 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 252 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 142 88K 89K 78643K 3020 0 UVM aobj 15 2K 2K 78643K 31 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 65 0 NDP 12 0K 0K 78643K 27 0 temp 117 3862K 3926K 78643K 6227 0 kqueue 3 4K 12K 78643K 21 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 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 55 0 53 1 0 1 1 0 8 0 rtentry 112 72 0 34 2 0 2 2 0 8 0 unpcb 120 275 0 261 1 0 1 1 0 8 0 syncache 264 8 0 8 2 2 0 1 0 8 0 tcpqe 32 226 0 226 2 2 0 1 0 8 0 tcpcb 544 194 0 190 1 0 1 1 0 8 0 inpcb 296 1446 0 1436 2 0 2 2 0 8 1 rttmr 72 4 0 4 3 3 0 1 0 8 0 nd6 48 10 0 4 1 0 1 1 0 8 0 pkpcb 40 2 0 2 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 49 0 44 2 1 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 26 0 20 1 0 1 1 0 8 0 pfstkey 112 26 0 20 1 0 1 1 0 8 0 pfstate 328 26 0 20 3 1 2 3 0 8 0 pfrule 1360 42 0 27 3 1 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 349 0 165 18 6 12 13 0 8 0 art_table 32 350 0 165 2 0 2 2 0 8 0 art_node 16 71 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 54 0 29 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 131 0 121 1 0 1 1 0 8 0 shmpl 112 28 0 16 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2162 0 757 90 1 89 89 0 8 0 ffsino 272 2162 0 757 94 0 94 94 0 8 0 nchpl 144 3238 0 1643 60 0 60 60 0 8 0 uvmvnodes 72 2363 0 0 43 0 43 43 0 8 0 vnodes 208 2363 0 0 125 0 125 125 0 8 0 namei 1024 8682 0 8682 3 2 1 1 0 8 1 percpumem 16 40 0 8 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 7 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 15 0 11 2 1 1 1 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 9496 0 9495 11 10 1 7 0 8 0 plimitpl 152 53 0 45 1 0 1 1 0 8 0 sigapl 424 865 0 812 8 1 7 7 0 8 0 futexpl 56 8840 0 8840 3 2 1 1 0 8 1 knotepl 112 96 0 77 1 0 1 1 0 8 0 kqueuepl 144 80 0 78 1 0 1 1 0 8 0 pipepl 304 145 0 135 2 1 1 2 0 8 0 fdescpl 496 828 0 812 3 0 3 3 0 8 0 filepl 152 4808 0 4699 6 1 5 5 0 8 0 lockfpl 104 110 0 109 1 0 1 1 0 8 0 lockfspl 48 38 0 37 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 68 0 56 1 0 1 1 0 8 0 ucredpl 96 423 0 414 1 0 1 1 0 8 0 zombiepl 144 812 0 812 2 1 1 1 0 8 1 processpl 992 865 0 812 7 0 7 7 0 8 0 procpl 624 2182 0 2119 6 0 6 6 0 8 0 sosppl 128 13 0 13 4 4 0 1 0 8 0 sockpl 400 1782 0 1756 6 3 3 4 0 8 0 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 270 0 0 33 0 33 33 0 8 0 mtagpl 96 28 0 0 1 0 1 1 0 8 0 mbufpl 256 274 0 0 17 0 17 17 0 8 0 mbufpl: pool(0xffffffff8292d3b8:mbufpl): free list modified: page 0xfffffd80693f6000; item ordinal 0; addr 0xfffffd80693f6500 (p 0xfffffd80693fb000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd80693f6000; item ordinal 0; addr 0xfffffd80693f6500 (p 0xfffffd80693fb000); offset 0x0=0x0 mbufpl: pool(0xffffffff8292d3b8:mbufpl): page inconsistency: page 0xfffffd80693f6000; item ordinal 1; addr 0x3a92d0aaf17dd6fb bufpl 280 4368 0 132 303 0 303 303 0 8 0 anonpl 16 106351 0 89210 99 13 86 86 0 124 12 amapchunkpl 152 5297 0 5146 15 7 8 12 0 158 0 amappl16 192 3506 0 2551 67 7 60 60 0 8 11 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 531 0 524 1 0 1 1 0 8 0 amappl13 168 35 0 32 1 0 1 1 0 8 0 amappl12 160 15 0 11 1 0 1 1 0 8 0 amappl11 152 562 0 544 1 0 1 1 0 8 0 amappl10 144 19 0 15 1 0 1 1 0 8 0 amappl9 136 392 0 390 1 0 1 1 0 8 0 amappl8 128 387 0 349 2 0 2 2 0 8 0 amappl7 120 137 0 124 1 0 1 1 0 8 0 amappl6 112 30 0 22 1 0 1 1 0 8 0 amappl5 104 218 0 201 1 0 1 1 0 8 0 amappl4 96 1035 0 998 1 0 1 1 0 8 0 amappl3 88 636 0 628 1 0 1 1 0 8 0 amappl2 80 5558 0 5486 2 0 2 2 0 8 0 amappl1 72 34671 0 34224 23 13 10 18 0 8 0 amappl 80 2444 0 2395 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 30 0 16 1 0 1 1 0 8 0 uaddrrnd 24 835 0 812 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 835 0 812 1 0 1 1 0 8 0 vmmpekpl 168 10198 0 10148 3 0 3 3 0 8 0 vmmpepl 168 113602 0 111435 146 41 105 131 0 357 5 vmsppl 368 834 0 812 3 0 3 3 0 8 0 pdppl 4096 1677 0 1631 7 0 7 7 0 8 0 pvpl 32 305587 0 285161 232 30 202 202 0 265 32 pmappl 232 834 0 812 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 291 0 15 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(ffffffff82494539) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8292d3b8,2,ffff800020ed4608) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8292d3b8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 mld6_sendpkt(ffff800000b2c480,83,0) at mld6_sendpkt+0x8e sys/netinet6/mld6.c:405 mld6_start_listening(ffff800000b2c480) at mld6_start_listening+0x8e sys/netinet6/mld6.c:136 in6_addmulti(ffff800020ed4a20,ffff8000006aa000,ffff800020ed4aa8) at in6_addmulti+0x25e sys/netinet6/in6.c:1073 in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 in6_joingroup sys/netinet6/in6.c:1142 [inline] in6_update_ifa(ffff8000006aa000,ffff800020ed4cc0,0) at in6_update_ifa+0x1530 sys/netinet6/in6.c:764 in6_ioctl_change_ifaddr(8080691a,ffff800020ed4cc0,ffff8000006aa000) at in6_ioctl_change_ifaddr+0x40c sys/netinet6/in6.c:352 ifioctl(fffffd806c89b970,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at ifioctl+0xe70 sys/net/if.c:2180 soo_ioctl(fffffd80683284c0,8080691a,ffff800020ed4cc0,ffff8000230f5ec8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff8000230f5ec8,ffff800020ed4dd8,ffff800020ed4e20) at sys_ioctl+0x4a5 syscall(ffff800020ed4ea0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ed4ea0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64bc5c2a1d0, count: -15 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(ffffffff828c5320) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c5320) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c5320,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e17d60,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e17d60,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e17d60,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828e3a9c,118,ffffffff82466af9,41d32d) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddc4e8,7f7ffffc3f70,3,ffff800020e17ef8,0,ffff800020e17fb0) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddc4e8,ffff800020e17f60,ffff800020e17fb0) at sys_poll+0xa6 syscall(ffff800020e18030) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e18030) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc3f50, count: 2 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(ffffffff828c5320) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c5320) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c5320,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e17d60,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e17d60,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e17d60,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828e3a9c,118,ffffffff82466af9,41d32d) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddc4e8,7f7ffffc3f70,3,ffff800020e17ef8,0,ffff800020e17fb0) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddc4e8,ffff800020e17f60,ffff800020e17fb0) at sys_poll+0xa6 syscall(ffff800020e18030) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e18030) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc3f50, count: -13