kernel: protection fault trap, code=0 Stopped at icmp_mtudisc_timeout+0x111: movq 0(%rax),%rcx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace icmp_mtudisc_timeout(fffffd806bf16d28,0) at icmp_mtudisc_timeout+0x111 sys/netinet/ip_icmp.c:1073 rt_timer_queue_flush(ffffffff8361f408) at rt_timer_queue_flush+0x281 sys/net/route.c:1573 ip_sysctl(ffff80002a08e60c,1,0,ffff80002a08e638,20001300,4) at ip_sysctl+0x7b4 sys/netinet/ip_input.c:1730 net_sysctl(ffff80002a08e604,3,0,ffff80002a08e638,20001300,4,50d09f10adc8c17) at net_sysctl+0x64a sys/kern/uipc_domain.c:248 sys_sysctl(ffff8000fffee2b8,ffff80002a08e770,ffff80002a08e6c0) at sys_sysctl+0x422 syscall(ffff80002a08e770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08e770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa1d1a069b0, count: -7 ddb{1}> show registers rdi 0x14 rsi 0x14 rbp 0xffff80002a08e450 rbx 0x3 rdx 0xffff8000011f37c0 rcx 0xffff8000fffee2b8 rax 0xfb881030fc336ec6 r8 0xffffffff82f09070 tcp_mtudisc_increase r9 0 r10 0x3fdd9501ae9f1ad4 r11 0x1ea8ebd3927e69f4 r12 0xffff800000039058 r13 0x14 r14 0 r15 0xfffffd806bf16d28 rip 0xffffffff826db6e1 icmp_mtudisc_timeout+0x111 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a08e400 ss 0x10 icmp_mtudisc_timeout+0x111: movq 0(%rax),%rcx ddb{1}> show proc PROC (syz-executor) tid=186716 pid=54294 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000323b5200,0xffff8000fffee7d8 process=0xffff8000345a1b40 user=0xffff80002a089000, vmspace=0xfffffd806cecd540 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 50744 160797 5116 0 3 0x80 nanoslp syz-executor 50744 196773 5116 0 3 0x4000080 fsleep syz-executor 29858 380943 2876 0 2 0 syz-executor 29858 209127 2876 0 3 0x4000080 sbwait syz-executor 54294 275152 97114 0 7 0 syz-executor *54294 186716 97114 0 7 0x4000000 syz-executor 41640 311807 34082 0 3 0x80 nanoslp syz-executor 41640 393424 34082 0 3 0x4000080 wsevent_read syz-executor 36562 136992 72822 0 3 0x80 nanoslp syz-executor 36562 235790 72822 0 3 0x4000080 fifor syz-executor 36562 200522 72822 0 3 0x4000080 kqread syz-executor 36562 219117 72822 0 3 0x4000080 fsleep syz-executor 18904 290131 74637 0 3 0x80 nanoslp syz-executor 18904 395065 74637 0 3 0x4000080 nanoslp syz-executor 18904 20817 74637 0 3 0x4000080 fsleep syz-executor 74138 487583 40864 0 3 0x80 nanoslp syz-executor 74138 453787 40864 0 3 0x4000080 lockf syz-executor 74138 265695 40864 0 3 0x4000080 fsleep syz-executor 16326 72989 0 0 3 0x14200 acct acct 97114 89405 49617 0 3 0x82 nanoslp syz-executor 40864 110585 49617 0 3 0x82 nanoslp syz-executor 2876 51236 49617 0 3 0x82 nanoslp syz-executor 34082 353092 49617 0 3 0x82 nanoslp syz-executor 5116 422504 49617 0 3 0x82 nanoslp syz-executor 37266 364951 49617 0 3 0x2 biowait syz-executor 72822 351426 49617 0 3 0x82 nanoslp syz-executor 74637 428070 49617 0 3 0x82 nanoslp syz-executor 48930 128877 0 0 3 0x14280 nfsidl nfsio 56991 27384 0 0 3 0x14280 nfsidl nfsio 70056 167040 0 0 3 0x14280 nfsidl nfsio 83466 477583 0 0 3 0x14280 nfsidl nfsio 27706 33852 0 0 3 0x14280 nfsidl nfsio 51530 130083 0 0 3 0x14280 nfsidl nfsio 87678 520918 0 0 3 0x14280 nfsidl nfsio 42250 36326 0 0 3 0x14280 nfsidl nfsio 20685 491154 0 0 3 0x14280 nfsidl nfsio 41294 98511 0 0 3 0x14280 nfsidl nfsio 9535 487790 0 0 3 0x14280 nfsidl nfsio 23791 461843 0 0 3 0x14280 nfsidl nfsio 66985 191202 0 0 3 0x14280 nfsidl nfsio 56773 59649 0 0 3 0x14280 nfsidl nfsio 89774 367441 0 0 3 0x14280 nfsidl nfsio 70862 345829 0 0 3 0x14280 nfsidl nfsio 14770 52121 0 0 3 0x14280 nfsidl nfsio 44487 198427 0 0 3 0x14280 nfsidl nfsio 23035 275186 0 0 3 0x14280 nfsidl nfsio 87127 97464 0 0 3 0x14280 nfsidl nfsio 45642 288193 1 0 3 0x100083 ttyin getty 47602 426266 0 0 3 0x14200 bored sosplice 49617 321727 82393 0 2 0x2 syz-executor 82393 321362 69014 0 3 0x10008a sigsusp ksh 69014 144615 16576 0 3 0x98 kqread sshd-session 16576 274900 52098 0 3 0x92 kqread sshd-session 52098 463074 1 0 3 0x88 kqread sshd 82222 448770 16474 74 3 0x1100092 bpf pflogd 16474 75186 1 0 3 0x80 sbwait pflogd 59234 177191 12560 73 3 0x1100010 biowait syslogd 12560 432021 1 0 3 0x100082 sbwait syslogd 68346 339096 1 0 3 0x100080 kqread resolvd 98221 501355 70296 77 3 0x100092 kqread dhcpleased 26137 243676 70296 77 3 0x100092 kqread dhcpleased 70296 93583 1 0 3 0x80 kqread dhcpleased 84254 344308 0 0 3 0x14200 bored smr 12564 349105 0 0 2 0x14200 zerothread 85136 167832 0 0 3 0x14200 aiodoned aiodoned 89851 413184 0 0 3 0x14200 syncer update 27245 84877 0 0 3 0x14200 cleaner cleaner 93704 113248 0 0 3 0x14200 reaper reaper 6471 357568 0 0 3 0x14200 pgdaemon pagedaemon 29112 313701 0 0 3 0x14200 bored viomb 68363 95209 0 0 3 0x40014200 acpi0 acpi0 54476 471447 0 0 3 0x40014200 idle1 81970 162743 0 0 3 0x14200 bored softnet3 71414 58274 0 0 3 0x14200 bored softnet2 95950 12238 0 0 3 0x14200 bored softnet1 75778 336801 0 0 2 0x14200 softnet0 62742 202307 0 0 2 0x14200 systqmp 67387 373530 0 0 3 0x14200 bored systq 537 336202 0 0 3 0x14200 tmoslp softclockmp 70710 219733 0 0 3 0x40014200 tmoslp softclock 12427 288574 0 0 3 0x40014200 idle0 1 359147 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 54294 (syz-executor) thread 0xffff8000fffee2b8 (186716) exclusive rwlock netlock r = 0 (0xffffffff83451190) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 ip_sysctl+0x292 sys/netinet/ip_input.c:1727 #2 net_sysctl+0x64a sys/kern/uipc_domain.c:248 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83531c38) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834301f0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 41640 (syz-executor) thread 0xffff8000323b4cf0 (393424) exclusive rrwlock inode r = 0 (0xfffffd807be504e0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 spec_open+0x302 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #11 sys_ioctl+0x67c #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 37266 (syz-executor) thread 0xffff8000fffef980 (364951) exclusive rrwlock inode r = 0 (0xfffffd8055f6ef78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807be50a30) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 59234 (syslogd) thread 0xffff8000ffffdbe8 (177191) exclusive rrwlock inode r = 0 (0xfffffd806e4db0a0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10229 10182K 10428K 166960K 15564 0 pcb 17 16K 17K 166960K 581 0 rtable 227 8K 8K 166960K 4107 0 pf 39 18K 26K 166960K 408 0 ifaddr 45 9K 9K 166960K 563 0 ifgroup 64 2K 2K 166960K 637 0 sysctl 4 1K 3K 166960K 12 0 counters 68 36K 37K 166960K 376 0 ioctlops 0 0K 6K 166960K 1905 0 iov 0 0K 33K 166960K 232 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1502 94K 94K 166960K 5186 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 28K 166960K 47 0 VM map 2 1K 1K 166960K 2 0 sem 18 56K 57K 166960K 109 0 dirhash 15 2K 3K 166960K 96 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 97K 166960K 4495 0 sigio 0 0K 0K 166960K 113 0 proc 75 103K 140K 166960K 4019 0 subproc 104 6K 7K 166960K 1601 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 503 0 in_multi 102 7K 7K 166960K 1430 0 ether_multi 1 0K 0K 166960K 24 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 169 758K 758K 166960K 169 0 exec 0 0K 1K 166960K 2379 0 pfkey data 0 0K 0K 166960K 40 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 246 73K 109K 166960K 37515 0 UVM aobj 117 7K 7K 166960K 128 0 pinsyscall 42 84K 108K 166960K 8622 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 151 0 NDP 17 0K 1K 166960K 414 0 temp 79 6824K 6952K 166960K 191089 0 kqueue 14 22K 32K 166960K 469 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 525 0 519 3 2 1 3 0 8 0 rtentry 112 1466 0 1364 4 1 3 4 0 8 0 unpcb 144 2443 0 2419 28 22 6 6 0 8 5 syncache 336 22 0 22 12 12 0 1 0 8 0 tcpcb 808 1144 0 1128 44 39 5 11 0 8 3 arp 120 265 0 247 1 0 1 1 0 8 0 inpcb 336 4184 0 4161 69 61 8 18 0 8 5 nd6 136 394 0 369 1 0 1 1 0 8 0 pkpcb 40 93 0 93 12 12 0 1 0 8 0 kcovpl 48 123 0 115 1 0 1 1 0 8 0 ppxss 1168 27 0 27 11 11 0 1 0 8 0 pffrag 232 22 0 17 1 0 1 1 0 482 0 pffrnode 88 22 0 17 1 0 1 1 0 8 0 pffrent 40 190 0 185 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pfstitem 24 362 0 309 1 0 1 1 0 8 0 pfstkey 128 362 0 309 2 0 2 2 0 8 0 pfstate 376 362 0 309 8 2 6 6 0 8 0 pfrule 1344 27 0 22 2 1 1 2 0 8 0 rttmr 136 2 0 1 1 0 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 5771 0 5289 43 12 31 31 0 8 0 art_table 32 5774 0 5289 4 0 4 4 0 8 0 art_node 16 1460 0 1367 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 9 1 0 1 1 0 8 0 semapl 112 99 0 83 1 0 1 1 0 8 0 shmpl 112 125 0 11 4 0 4 4 0 8 0 dirhash 1024 73 0 54 3 0 3 3 0 8 0 dino2pl 256 6563 0 4824 109 0 109 109 0 8 0 ffsino 272 6563 0 4824 116 0 116 116 0 8 0 nchpl 144 10688 0 9977 67 38 29 67 0 8 0 uvmvnodes 80 8740 0 0 179 0 179 179 0 8 0 vnodes 216 8740 0 0 486 0 486 486 0 8 0 namei 1024 49542 0 49542 9 8 1 2 0 8 1 percpumem 16 202 0 154 1 0 1 1 0 8 0 kstatmem 264 336 0 308 4 2 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 8 0 8 6 5 1 1 0 8 1 scxspl 216 91295 0 91292 15 14 1 8 1 8 0 plimitpl 152 1039 0 1022 1 0 1 1 0 8 0 sigapl 424 4626 0 4555 12 3 9 9 0 8 0 futexpl 64 42844 0 42840 12 11 1 1 0 8 0 knotepl 120 811 0 0 17 0 17 17 0 8 0 kqueuepl 216 908 0 897 9 6 3 5 0 8 2 pipepl 320 1000 0 973 21 18 3 8 0 8 0 fdescpl 496 4562 0 4531 8 3 5 6 0 8 0 filepl 152 26922 0 26657 65 45 20 20 0 8 8 lockfpl 104 1465 0 1459 2 1 1 2 0 8 0 lockfspl 48 589 0 585 1 0 1 1 0 8 0 sessionpl 144 152 0 143 1 0 1 1 0 8 0 pgrppl 48 315 0 298 1 0 1 1 0 8 0 ucredpl 104 4470 0 4456 1 0 1 1 0 8 0 zombiepl 144 5483 0 5483 1 0 1 1 0 8 1 processpl 1160 4626 0 4555 8 2 6 6 0 8 0 procpl 648 9358 0 9276 10 2 8 8 0 8 0 srpgc 96 24 0 24 9 9 0 1 0 8 0 sosppl 168 16 0 14 6 5 1 1 0 8 0 sockpl 664 7318 0 7265 92 76 16 20 0 8 10 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 362 0 0 31 3 28 31 0 8 1 mtagpl 96 120 0 0 2 1 1 2 0 8 0 mbufpl 256 1093 0 0 63 0 63 63 0 8 0 bufpl 280 15055 0 6314 625 0 625 625 0 8 0 anonpl 24 605527 0 599857 186 122 64 81 0 185 16 amapchunkpl 152 121358 0 120753 101 65 36 44 0 158 11 amappl16 200 9568 0 9512 107 93 14 24 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 392 0 380 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 7050 0 7019 4 2 2 3 0 8 0 amappl11 160 57 0 42 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 137 0 137 2 2 0 1 0 8 0 amappl8 136 19 0 16 1 0 1 1 0 8 0 amappl7 128 373 0 360 1 0 1 1 0 8 0 amappl6 120 1336 0 1334 1 0 1 1 0 8 0 amappl5 112 617 0 605 1 0 1 1 0 8 0 amappl4 104 705 0 686 1 0 1 1 0 8 0 amappl3 96 23974 0 23861 4 0 4 4 0 8 0 amappl2 88 2442 0 2370 2 0 2 2 0 8 0 amappl1 80 31043 0 30478 15 1 14 15 0 8 0 amappl 88 35950 0 35766 6 1 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 1 1 1 0 8 1 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 128 255 0 255 3 2 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 127 0 11 3 0 3 3 0 8 0 uaddrrnd 24 4562 0 4531 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4562 0 4531 1 0 1 1 0 8 0 vmmpekpl 168 40199 0 40139 5 1 4 4 0 8 0 vmmpepl 168 283139 0 281235 162 66 96 103 0 357 5 vmsppl 440 4561 0 4531 6 2 4 5 0 8 0 rwobjpl 56 84630 0 74803 146 4 142 142 0 8 1 pdppl 4096 9131 0 9062 258 185 73 87 0 8 4 pvpl 32 44667 0 0 361 2 359 359 0 265 0 pmappl 248 4561 0 4531 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 782 0 335 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83497ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83531a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0b24f0,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff83531a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0b2650,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x73b6a6b8bb50, count: -9 ddb{0}> machine ddbcpu 1 Stopped at icmp_mtudisc_timeout+0x111: movq 0(%rax),%rcx ddb{1}> trace icmp_mtudisc_timeout(fffffd806bf16d28,0) at icmp_mtudisc_timeout+0x111 sys/netinet/ip_icmp.c:1073 rt_timer_queue_flush(ffffffff8361f408) at rt_timer_queue_flush+0x281 sys/net/route.c:1573 ip_sysctl(ffff80002a08e60c,1,0,ffff80002a08e638,20001300,4) at ip_sysctl+0x7b4 sys/netinet/ip_input.c:1730 net_sysctl(ffff80002a08e604,3,0,ffff80002a08e638,20001300,4,50d09f10adc8c17) at net_sysctl+0x64a sys/kern/uipc_domain.c:248 sys_sysctl(ffff8000fffee2b8,ffff80002a08e770,ffff80002a08e6c0) at sys_sysctl+0x422 syscall(ffff80002a08e770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08e770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfa1d1a069b0, count: -7