*cpu1: uvm_fault(0xfffffd807d67c020, 0x4, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xdc end of kernel end trace frame: 0x7f7ffffdc3b0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800028b060d0 rbx 0 rdx 0 rcx 0 rax 0x2a r8 0xffff800028b06000 r9 0 r10 0xc7e4798a7d459776 r11 0x7d22b3821a80ebd2 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff81de850c proc_trampoline+0xdc cs 0x8 rflags 0x246 rsp 0xffff800028b06050 ss 0 proc_trampoline+0xdc: movl $0,%gs:0x538 ddb{0}> show proc PROC (syz-executor.0) pid=296478 stat=onproc flags process=0 proc=0 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff0a88,0xffffffff82b187b8 process=0xffff8000fffe8448 user=0xffff800028b01000, vmspace=0xfffffd807d67cba0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *11453 296478 93466 0 7 0 syz-executor.0 24438 185855 7677 0 2 0 syz-executor.3 54027 333825 89455 0 2 0 syz-executor.1 54027 487946 89455 0 3 0x4000080 fsleep syz-executor.1 82576 37809 89563 0 2 0 syz-executor.7 82576 267287 89563 0 3 0x4000080 fsleep syz-executor.7 82576 36388 89563 0 3 0x4000080 fsleep syz-executor.7 2596 295706 0 0 3 0x14280 nfsidl nfsio 82090 169854 0 0 3 0x14280 nfsidl nfsio 15775 322835 0 0 3 0x14280 nfsidl nfsio 5362 370658 0 0 3 0x14280 nfsidl nfsio 52344 225663 0 0 3 0x14280 nfsidl nfsio 9433 461668 0 0 3 0x14280 nfsidl nfsio 36615 510469 0 0 3 0x14280 nfsidl nfsio 58847 6965 0 0 3 0x14280 nfsidl nfsio 73704 138569 0 0 3 0x14280 nfsidl nfsio 33520 220503 0 0 3 0x14280 nfsidl nfsio 13285 518494 0 0 3 0x14280 nfsidl nfsio 29351 94457 0 0 3 0x14280 nfsidl nfsio 61569 168161 0 0 3 0x14280 nfsidl nfsio 68487 365398 0 0 3 0x14280 nfsidl nfsio 80641 269259 0 0 3 0x14280 nfsidl nfsio 87583 5222 0 0 3 0x14280 nfsidl nfsio 23832 364515 0 0 3 0x14280 nfsidl nfsio 78399 84929 0 0 3 0x14280 nfsidl nfsio 98222 273152 0 0 3 0x14280 nfsidl nfsio 38810 164300 0 0 3 0x14280 nfsidl nfsio 89563 275615 53488 0 3 0x82 nanoslp syz-executor.7 7677 506587 53488 0 3 0x82 nanoslp syz-executor.3 89455 381345 53488 0 3 0x82 nanoslp syz-executor.1 22339 305910 1 0 3 0x100083 ttyin getty 66743 371963 0 0 3 0x14200 bored sosplice 31305 39636 53488 0 3 0x82 nanoslp syz-executor.6 4192 90696 53488 0 3 0x2 biowait syz-executor.5 69659 368437 53488 0 3 0x2 biowait syz-executor.4 1122 59777 53488 0 3 0x2 getblk syz-executor.2 93466 141469 53488 0 3 0x82 nanoslp syz-executor.0 53488 512546 54243 0 3 0x82 thrsleep syz-fuzzer 53488 60216 54243 0 3 0x4000082 nanoslp syz-fuzzer 53488 447590 54243 0 3 0x4000082 kqread syz-fuzzer 53488 441586 54243 0 3 0x4000082 thrsleep syz-fuzzer 53488 446738 54243 0 3 0x4000082 thrsleep syz-fuzzer 53488 372783 54243 0 3 0x4000082 thrsleep syz-fuzzer 53488 384436 54243 0 3 0x4000082 thrsleep syz-fuzzer 53488 171794 54243 0 3 0x4000082 thrsleep syz-fuzzer 53488 489001 54243 0 3 0x4000082 thrsleep syz-fuzzer 54243 436805 80983 0 3 0x10008a sigsusp ksh 80983 299782 87328 0 3 0x9a kqread sshd 87328 233916 1 0 3 0x88 kqread sshd 86446 334281 73183 74 3 0x1100092 bpf pflogd 73183 483139 1 0 3 0x80 netio pflogd 9998 176468 20111 73 3 0x1100090 kqread syslogd 20111 257259 1 0 3 0x100082 netio syslogd 53116 182433 1 0 3 0x100080 kqread resolvd 99728 412062 23176 77 3 0x100092 kqread dhcpleased 79721 26508 23176 77 3 0x100092 kqread dhcpleased 23176 245742 1 0 3 0x80 kqread dhcpleased 66110 58465 0 0 3 0x14200 bored smr 87512 354405 0 0 2 0x14200 zerothread 60833 470723 0 0 3 0x14200 aiodoned aiodoned 68052 337391 0 0 3 0x14200 syncer update 71075 446428 0 0 3 0x14200 cleaner cleaner 76387 378265 0 0 3 0x14200 reaper reaper 34328 336118 0 0 3 0x14200 pgdaemon pagedaemon 64890 316476 0 0 3 0x14200 bored viomb 85113 221857 0 0 3 0x40014200 acpi0 acpi0 73867 416991 0 0 3 0x40014200 idle1 29046 182067 0 0 3 0x14200 bored softnet 49834 417555 0 0 3 0x14200 bored systqmp 56615 131953 0 0 3 0x14200 bored systq 36343 253608 0 0 3 0x40014200 bored softclock 80470 204913 0 0 3 0x40014200 idle0 1 244377 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex anonpl r = 0 (0xffffffff82a085f8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:581 #4 uvm_analloc+0x29 sys/uvm/uvm_anon.c:63 #5 uvm_fault_lower+0x17c sys/uvm/uvm_fault.c:1381 #6 uvm_fault+0x248 #7 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #8 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #9 recall_trap+0x8 Process 11453 (syz-executor.0) thread 0xffff80002af307f0 (296478) exclusive rwlock amaplk r = 0 (0xfffffd8070458400) #0 witness_lock+0x44d #1 uvm_fault_check+0x3ca sys/uvm/uvm_fault.c:774 #2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #4 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807d67cbb8) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #6 recall_trap+0x8 exclusive mutex anonpl r = 0 (0xffffffff82a085f8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbd sys/kern/subr_pool.c:581 #4 uvm_analloc+0x29 sys/uvm/uvm_anon.c:63 #5 uvm_fault_lower+0x17c sys/uvm/uvm_fault.c:1381 #6 uvm_fault+0x248 #7 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #8 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #9 recall_trap+0x8 Process 4192 (syz-executor.5) thread 0xffff8000211822b0 (90696) exclusive rrwlock inode r = 0 (0xfffffd8066db0818) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80735c1d60) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 69659 (syz-executor.4) thread 0xffff8000ffff3a40 (368437) exclusive rrwlock inode r = 0 (0xfffffd8066db0708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80735c1810) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 1122 (syz-executor.2) thread 0xffff8000ffff37a0 (59777) exclusive rrwlock inode r = 0 (0xfffffd8066db03d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80735c1c50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10696 6554K 6882K 78643K 16563 0 pcb 15 14K 16K 78643K 176 0 rtable 202 7K 8K 78643K 700 0 ifaddr 85 17K 19K 78643K 236 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 35K 78643K 80 0 ioctlops 0 0K 4K 78643K 1686 0 iov 0 0K 16K 78643K 70 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1339 84K 84K 78643K 3504 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 13 0 VM map 2 1K 1K 78643K 2 0 sem 10 1K 1K 78643K 15 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 85K 78643K 2054 0 sigio 0 0K 0K 78643K 3 0 proc 70 87K 111K 78643K 670 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 278 0 in_multi 86 5K 6K 78643K 216 0 ether_multi 1 0K 0K 78643K 15 0 mrt 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 79 360K 360K 78643K 79 0 exec 0 0K 2K 78643K 779 0 tdb 3 0K 0K 78643K 3 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 336 231K 232K 78643K 27277 0 UVM aobj 17 2K 2K 78643K 23 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 70 0 NDP 12 0K 1K 78643K 47 0 temp 100 4707K 4771K 78643K 11385 0 kqueue 12 18K 24K 78643K 107 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 122 0 119 2 1 1 2 0 8 0 rtentry 112 151 0 63 4 0 4 4 0 8 0 unpcb 136 652 0 637 9 8 1 5 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 113 0 113 1 1 0 1 0 8 0 tcpcb 736 434 0 429 20 13 7 10 0 8 6 arp 120 25 0 8 1 0 1 1 0 8 0 inpcb 304 1546 0 1534 20 14 6 11 0 8 5 nd6 48 33 0 12 1 0 1 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1248 7 0 7 2 2 0 1 0 8 0 pffrag 232 6 0 3 1 0 1 1 0 482 0 pffrnode 88 6 0 3 1 0 1 1 0 8 0 pffrent 40 19 0 16 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 pfrktable 1344 4 0 2 1 0 1 1 0 8 0 pfstitem 24 23 0 21 1 0 1 1 0 8 0 pfstkey 112 27 0 25 1 0 1 1 0 8 0 pfstate 320 23 0 21 2 1 1 2 0 8 0 pfrule 1360 82 0 76 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 630 0 247 34 6 28 29 0 8 2 art_table 32 632 0 248 4 0 4 4 0 8 0 art_node 16 150 0 72 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 20 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5140 0 3704 91 0 91 91 0 8 0 ffsino 272 5141 0 3704 97 0 97 97 0 8 0 nchpl 144 7662 0 6031 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 25910 0 25907 2 1 1 2 0 8 0 percpumem 16 52 0 13 1 0 1 1 0 8 0 vcpupl 2048 11 0 0 2 0 2 2 0 8 0 vmpool 560 13 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 scxspl 216 20013 0 20011 12 10 2 8 0 8 1 plimitpl 152 136 0 121 1 0 1 1 0 8 0 sigapl 424 2372 0 2309 8 0 8 8 0 8 0 futexpl 64 24219 0 24216 1 0 1 1 0 8 0 knotepl 120 119 0 0 4 0 4 4 0 8 0 kqueuepl 216 503 0 495 13 12 1 5 0 8 0 pipepl 336 209 0 181 3 0 3 3 0 8 0 fdescpl 496 2337 0 2309 5 1 4 5 0 8 0 filepl 152 13959 0 13714 27 11 16 18 0 8 6 lockfpl 104 387 0 385 3 2 1 2 0 8 0 lockfspl 48 87 0 85 1 0 1 1 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 63 0 46 1 0 1 1 0 8 0 ucredpl 96 1087 0 1075 1 0 1 1 0 8 0 zombiepl 144 2310 0 2309 1 0 1 1 0 8 0 processpl 1064 2372 0 2309 5 0 5 5 0 8 0 procpl 672 5585 0 5511 10 2 8 8 0 8 1 srpgc 96 8 0 8 2 1 1 1 0 8 1 sosppl 168 7 0 7 3 3 0 1 0 8 0 sockpl 480 2325 0 2295 51 39 12 20 0 8 8 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 193 0 0 24 0 24 24 0 8 1 mtagpl 96 214 0 0 5 0 5 5 0 8 0 mbufpl 256 454 0 0 26 1 25 25 0 8 0 bufpl 288 5680 0 154 395 0 395 395 0 8 0 anonpl 24 599634 0 581863 136 14 122 126 0 186 0 amapchunkpl 152 64880 0 64069 41 4 37 37 0 158 0 amappl16 200 5703 0 5181 41 10 31 40 0 8 3 amappl15 192 526 0 517 1 0 1 1 0 8 0 amappl14 184 244 0 239 1 0 1 1 0 8 0 amappl13 176 102 0 100 1 0 1 1 0 8 0 amappl12 168 271 0 267 1 0 1 1 0 8 0 amappl11 160 467 0 450 1 0 1 1 0 8 0 amappl10 152 212 0 202 1 0 1 1 0 8 0 amappl9 144 472 0 470 1 0 1 1 0 8 0 amappl8 136 1111 0 1052 3 0 3 3 0 8 0 amappl7 128 594 0 579 1 0 1 1 0 8 0 amappl6 120 245 0 224 2 1 1 2 0 8 0 amappl5 112 1729 0 1707 1 0 1 1 0 8 0 amappl4 104 1645 0 1620 1 0 1 1 0 8 0 amappl3 96 513 0 499 1 0 1 1 0 8 0 amappl2 88 1378 0 1331 3 1 2 3 0 8 0 amappl1 80 44579 0 44015 19 5 14 19 0 8 0 amappl 88 26746 0 26496 7 0 7 7 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 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 128 253 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 72 22 0 6 1 0 1 1 0 8 0 uaddrrnd 24 2350 0 2311 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2350 0 2311 1 0 1 1 0 8 0 vmmpekpl 168 19331 0 19266 4 0 4 4 0 8 0 vmmpepl 168 211858 0 209462 142 25 117 132 0 357 1 vmsppl 368 2349 0 2311 5 1 4 4 0 8 0 rwobjpl 56 57193 0 49752 108 2 106 106 0 8 0 pdppl 4096 4707 0 4633 158 78 80 80 0 8 6 pvpl 32 1126083 0 1103373 257 60 197 246 0 265 1 pmappl 248 2349 0 2311 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 877 0 104 23 0 23 23 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xdc end of kernel end trace frame: 0x7f7ffffdc3b0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,2d) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,2d) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,2d) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(2d) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(2d) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff826298c2) at db_printf+0x85 sys/kern/subr_prf.c:502 fault(ffffffff825da4d8) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff80002e37e800,4) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff80002e37e800) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b igmp_leavegroup(ffff800000c47680) at igmp_leavegroup+0x80 sys/netinet/igmp.c:521 end trace frame: 0xffff80002e37e950, count: 0 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,2d) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,2d) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,2d) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(2d) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(2d) at db_putchar+0x3fc sys/ddb/db_output.c:155 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff826298c2) at db_printf+0x85 sys/kern/subr_prf.c:502 fault(ffffffff825da4d8) at fault+0x95 sys/arch/amd64/amd64/trap.c:154 kpageflttrap(ffff80002e37e800,4) at kpageflttrap+0x25a sys/arch/amd64/amd64/trap.c:275 kerntrap(ffff80002e37e800) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b igmp_leavegroup(ffff800000c47680) at igmp_leavegroup+0x80 sys/netinet/igmp.c:521 in_delmulti(ffff800000c47680) at in_delmulti+0xb7 sys/netinet/in.c:920 ip_freemoptions(ffff800000c22fb0) at ip_freemoptions+0x4d sys/netinet/ip_output.c:1764 in_pcbdetach(fffffd806f673be0) at in_pcbdetach+0xf3 sys/netinet/in_pcb.c:584 udp_detach(fffffd806e11d798) at udp_detach+0x3b sys/netinet/udp_usrreq.c:1249 soclose(fffffd806e11d798,0) at soclose+0x255 sys/kern/uipc_socket.c:351 soo_close(fffffd806769f7d8,ffff8000ffff3260) at soo_close+0x40 fdrop(fffffd806769f7d8,ffff8000ffff3260) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 closef(fffffd806769f7d8,ffff8000ffff3260) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000ffff3260) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000ffff3260,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:202 sys_exit(ffff8000ffff3260,ffff80002e37ec60,ffff80002e37ecc0) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff80002e37ed30) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e37ed30) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdac10, count: -27