uvm_fault(0xffffffff83W9AReNaI4N3G0: ,S P0L xNfOfT fLOfWE8R0E0D 0ON0 1S4fYS400CaA, LL0, 2512) -0> EeX IT 0 k9 ernStopped at savectx+0xae: movl $0,%gs:0x680 TID PID UID PRFLAGS PFLAGS CPU COMMAND *486589 21319 0 0 0x4000000 1 syz-executor 274515 8485 0 0 0x4000000 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0xc8ab6c78730, count: 14 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 *cpu0: uvm_fault(0xffffffff839ea430, 0xffff8000014f400a, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0xc8ab6c78730, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800040d96ed0 rbx 0 rdx 0xffff8000014de6c0 rcx 0xffff80002a3a2cf0 rax 0x33 r8 0xffff800040d96e00 r9 0xffff800040d96c9c r10 0x488b35077b225d75 r11 0x302c4103049464a2 r12 0 r13 0 r14 0xffff80002a3a2cf0 r15 0 rip 0xffffffff832903ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff800040d96e50 ss 0x10 savectx+0xae: movl $0,%gs:0x680 ddb{1}> show proc PROC (syz-executor) tid=486589 pid=21319 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6cf8,0xffffffff839267f0 process=0xffff80003a8ce978 user=0xffff800040d91000, vmspace=0xfffffd806be70900 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21319 334299 79557 0 2 0 syz-executor *21319 486589 79557 0 7 0x4000000 syz-executor 8485 94314 39254 0 2 0 syz-executor 8485 274515 39254 0 7 0x4000000 syz-executor 77408 237675 58245 0 2 0 syz-executor 77408 147020 58245 0 2 0x4000000 syz-executor 323 139587 92267 0 2 0 syz-executor 323 500871 92267 0 3 0x4000080 fsleep syz-executor 78932 6841 92424 0 3 0x80 nanoslp syz-executor 78932 12843 92424 0 3 0x4000080 kqsel syz-executor 78932 23341 92424 0 3 0x4000080 fsleep syz-executor 39254 55399 69133 0 3 0x82 nanoslp syz-executor 58245 78357 69133 0 2 0x482 syz-executor 98089 430035 95188 0 3 0x82 sbwait sshd-session 84834 272348 1 0 3 0x100083 ttyin getty 79557 284895 69133 0 2 0x482 syz-executor 44558 103577 95188 0 3 0x82 sbwait sshd-session 27362 167389 69133 0 2 0x2 syz-executor 19744 281966 0 0 3 0x14200 bored sosplice 62377 187124 93171 0 3 0x100082 sbwait arp 93171 466623 1 0 3 0x10008a sigsusp sh 40960 166724 51917 0 3 0x100082 sbwait arp 51917 419213 1 0 3 0x10008a sigsusp sh 80430 110172 69133 0 2 0x2 syz-executor 92424 228465 69133 0 2 0x482 syz-executor 55095 432838 69133 0 3 0x82 wait syz-executor 92267 135259 69133 0 2 0x482 syz-executor 69133 288045 27731 0 3 0x82 kqread syz-executor 27731 135183 31255 0 3 0x10008a sigsusp ksh 31255 354130 77103 0 3 0x98 kqread sshd-session 77103 222661 95188 0 3 0x92 kqread sshd-session 95188 515611 1 0 3 0x88 kqread sshd 80405 56246 36422 74 3 0x1100092 bpf pflogd 36422 77401 1 0 3 0x80 sbwait pflogd 54960 273302 56802 73 3 0x1100090 kqread syslogd 56802 359285 1 0 3 0x100082 sbwait syslogd 87926 180576 1 0 3 0x100080 kqread resolvd 2492 69291 75396 77 3 0x100092 kqread dhcpleased 99391 459791 75396 77 3 0x100092 kqread dhcpleased 75396 482552 1 0 3 0x80 kqread dhcpleased 50449 68745 0 0 3 0x14200 bored smr 91529 224067 0 0 2 0x14200 zerothread 13208 172640 0 0 3 0x14200 aiodoned aiodoned 50221 480623 0 0 3 0x14200 syncer update 99535 466492 0 0 3 0x14200 cleaner cleaner 11500 93142 0 0 3 0x14200 reaper reaper 90699 471985 0 0 3 0x14200 pgdaemon pagedaemon 39344 462847 0 0 3 0x14200 bored viomb 52335 93948 0 0 3 0x40014200 acpi0 acpi0 3189 153662 0 0 3 0x40014200 idle1 26395 384005 0 0 3 0x14200 bored softnet3 98146 129252 0 0 3 0x14200 bored softnet2 66365 256130 0 0 3 0x14200 bored softnet1 84826 25500 0 0 3 0x14200 bored softnet0 58478 97180 0 0 2 0x14200 systqmp 60176 17697 0 0 3 0x14200 bored systq 56441 387277 0 0 3 0x14200 tmoslp softclockmp 2824 292640 0 0 2 0x40014200 softclock 72484 90492 0 0 3 0x40014200 idle0 1 422321 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &newfdp->fd_fd.fd_fplock r = 0 (0xfffffd806be858a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 fd_getfile+0x6d sys/kern/kern_descrip.c:236 #4 kqueue_register+0x291 #5 ppollregister_evts+0xca sys/kern/sys_generic.c:1044 #6 ppollregister+0x31b sys/kern/sys_generic.c:1142 #7 doppoll+0x21a sys/kern/sys_generic.c:959 #8 sys_poll+0xd8 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 8485 (syz-executor) thread 0xffff8000ffff7738 (274515) exclusive rwlock netlock r = 0 (0xffffffff837cdbc8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rtm_output+0x76e sys/net/rtsock.c:969 #3 route_output+0x9a1 sys/net/rtsock.c:878 #4 route_send+0xd7 sys/net/rtsock.c:342 #5 sosend+0x804 #6 sendit+0x721 sys/kern/uipc_syscalls.c:779 #7 sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800001443750) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:631 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 77408 (syz-executor) thread 0xffff8000ffff74a8 (147020) exclusive rrwlock inode r = 0 (0xfffffd806fb10ce8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd805ebcb3e8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 27362 (syz-executor) thread 0xffff8000ffff6f88 (167389) exclusive rrwlock inode r = 0 (0xfffffd806fb100e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b 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:1866 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 80430 (syz-executor) thread 0xffff80002a309488 (110172) exclusive rrwlock inode r = 0 (0xfffffd806fb10e00) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cc4e998) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10206 11101K 11426K 166960K 14899 0 pcb 19 14K 16K 166960K 243 0 rtable 259 11K 11K 166960K 777 0 pf 37 18K 20K 166960K 138 0 ifaddr 42 7K 7K 166960K 102 0 ifgroup 58 2K 2K 166960K 174 0 sysctl 4 1K 2K 166960K 5 0 counters 64 36K 37K 166960K 240 0 ioctlops 0 0K 4K 166960K 1671 0 iov 0 0K 24K 166960K 101 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1510 95K 95K 166960K 3192 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 136K 166960K 66 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 20 73K 248K 166960K 1739 0 sigio 0 0K 0K 166960K 22 0 proc 72 91K 164K 166960K 846 0 subproc 90 5K 5K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 207 0 in_multi 88 6K 6K 166960K 188 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 708 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 258 74K 87K 166960K 17833 0 UVM aobj 116 7K 7K 166960K 119 0 pinsyscall 51 102K 114K 166960K 2935 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 109 0 NDP 12 0K 0K 166960K 54 0 temp 148 8645K 8763K 166960K 62079 0 kqueue 15 24K 26K 166960K 263 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 120 195 0 189 3 2 1 3 0 8 0 rtentry 112 231 0 118 4 0 4 4 0 8 0 unpcb 144 1470 0 1452 13 7 6 6 0 8 5 syncache 336 15 0 15 5 4 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 570 0 561 14 6 8 8 0 8 6 arp 120 29 0 10 1 0 1 1 0 8 0 inpcb 376 1768 0 1751 28 20 8 15 0 8 5 nd6 136 33 0 9 1 0 1 1 0 8 0 pkpcb 40 107 0 107 4 4 0 1 0 8 0 kcovpl 48 13 0 3 1 0 1 1 0 8 0 mppekey 1024 33 0 33 1 1 0 1 0 8 0 ppxss 1168 73 0 73 4 3 1 1 0 8 1 pppxif 1472 3 0 3 2 2 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 78 0 73 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 pfstitem 24 79 0 26 1 0 1 1 0 8 0 pfstkey 128 79 0 26 2 0 2 2 0 8 0 pfstate 376 79 0 26 6 0 6 6 0 8 0 pfrule 1344 25 0 18 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 625 0 157 34 4 30 30 0 8 0 art_table 32 628 0 157 4 0 4 4 0 8 0 art_node 16 159 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semapl 112 61 0 51 1 0 1 1 0 8 0 shmpl 112 116 0 3 4 0 4 4 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 4565 0 3052 95 0 95 95 0 8 0 ffsino 280 4565 0 3052 109 0 109 109 0 8 0 nchpl 144 6996 0 5302 64 0 64 64 0 8 0 rtmask 32 7 0 7 3 2 1 1 0 8 1 uvmvnodes 80 5812 0 0 119 0 119 119 0 8 0 vnodes 216 5812 0 0 323 0 323 323 0 8 0 namei 1024 24290 0 24288 1 0 1 1 0 8 0 percpumem 16 134 0 88 1 0 1 1 0 8 0 kstatmem 264 104 0 80 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 4 0 4 2 2 0 1 0 8 0 scxspl 216 23085 0 23085 13 12 1 8 1 8 1 plimitpl 152 339 0 319 1 0 1 1 0 8 0 sigapl 424 2004 0 1949 7 0 7 7 0 8 0 futexpl 64 25065 0 25063 1 0 1 1 0 8 0 knotepl 120 758 0 0 23 0 23 23 0 8 0 kqueuepl 216 507 0 493 5 4 1 5 0 8 0 pipepl 328 257 0 222 4 0 4 4 0 8 0 fdescpl 504 1984 0 1948 7 1 6 6 0 8 0 filepl 152 13452 0 13191 33 16 17 22 0 8 5 lockfpl 104 697 0 695 2 1 1 2 0 8 0 lockfspl 48 205 0 203 1 0 1 1 0 8 0 sessionpl 144 41 0 30 1 0 1 1 0 8 0 pgrppl 48 68 0 47 1 0 1 1 0 8 0 ucredpl 104 2408 0 2394 1 0 1 1 0 8 0 zombiepl 144 2551 0 2550 1 0 1 1 0 8 0 processpl 1176 2004 0 1949 5 0 5 5 0 8 0 procpl 656 4610 0 4549 8 1 7 8 0 8 1 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 9 0 9 4 4 0 1 0 8 0 sockpl 688 3564 0 3525 42 29 13 17 0 8 8 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 70 0 0 7 0 7 7 0 8 0 mtagpl 96 117 0 0 3 0 3 3 0 8 0 mbufpl 256 606 0 0 36 0 36 36 0 8 0 bufpl 280 5501 0 137 384 0 384 384 0 8 0 anonpl 24 258646 0 254152 89 34 55 64 0 184 8 amapchunkpl 152 57654 0 57095 43 12 31 31 0 158 6 amappl16 200 4608 0 4570 34 30 4 16 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 145 0 129 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 2691 0 2653 4 1 3 3 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 44 0 41 1 0 1 1 0 8 0 amappl7 128 126 0 109 1 0 1 1 0 8 0 amappl6 120 220 0 211 1 0 1 1 0 8 0 amappl5 112 146 0 136 1 0 1 1 0 8 0 amappl4 104 392 0 371 1 0 1 1 0 8 0 amappl3 96 11885 0 11759 4 0 4 4 0 8 0 amappl2 88 818 0 736 2 0 2 2 0 8 0 amappl1 80 15808 0 15009 21 2 19 19 0 8 1 amappl 88 17267 0 17080 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 1 0 1 0 8 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 20 0 19 1 0 1 1 0 8 0 aobjpl 72 118 0 3 3 0 3 3 0 8 0 uaddrrnd 24 1984 0 1948 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1984 0 1948 1 0 1 1 0 8 0 vmmpekpl 168 17331 0 17277 3 0 3 3 0 8 0 vmmpepl 168 127632 0 125364 125 14 111 111 0 357 4 vmsppl 456 1983 0 1948 5 0 5 5 0 8 0 rwobjpl 64 40787 0 33615 117 0 117 117 0 8 0 pdppl 4096 3976 0 3896 128 44 84 88 0 8 4 pvpl 32 19348 0 0 157 1 156 156 0 265 0 pmappl 248 1983 0 1948 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 360 0 66 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837f3ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,6e) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,6e) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(6e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff8335538f) at db_printf+0x9b db_ktrap(6,0,ffff800040d900d0) at db_ktrap+0x101 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff800040d900d0) at db_ktrap+0x101 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff800040d900d0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b arp_rtrequest(ffff800000039058,1,fffffd8065348638) at arp_rtrequest+0x660 arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff800000039058,1,fffffd8065348638) at arp_rtrequest+0x660 sys/netinet/if_ether.c:184 rtrequest(1,ffff800040d903b0,0,ffff800040d90330,0) at rtrequest+0xbdc sys/net/route.c:1110 end trace frame: 0xffff800040d903a0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837f3ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,6e) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,6e) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(6e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff8335538f) at db_printf+0x9b db_ktrap(6,0,ffff800040d900d0) at db_ktrap+0x101 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff800040d900d0) at db_ktrap+0x101 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff800040d900d0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b arp_rtrequest(ffff800000039058,1,fffffd8065348638) at arp_rtrequest+0x660 arprequest sys/netinet/if_ether.c:281 [inline] arp_rtrequest(ffff800000039058,1,fffffd8065348638) at arp_rtrequest+0x660 sys/netinet/if_ether.c:184 rtrequest(1,ffff800040d903b0,0,ffff800040d90330,0) at rtrequest+0xbdc sys/net/route.c:1110 rtm_output(ffff8000014c6c00,ffff800040d90458,ffff800040d903b0,0,0) at rtm_output+0x855 sys/net/rtsock.c:973 route_output(fffffd806c9a0900,ffff800001443590) at route_output+0x9a1 sys/net/rtsock.c:878 route_send(ffff800001443590,fffffd806c9a0900,0,0) at route_send+0xd7 sys/net/rtsock.c:342 sosend(ffff800001443590,0,ffff800040d905f8,0,0,802) at sosend+0x804 sendit(ffff8000ffff7738,3,ffff800040d906f0,802,ffff800040d907a0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendto(ffff8000ffff7738,ffff800040d90850,ffff800040d907a0) at sys_sendto+0x8d sys/kern/uipc_syscalls.c:557 syscall(ffff800040d90850) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800040d90850) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x717e65dfab0, count: -22 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x680 savectx() at savectx+0xae end of kernel end trace frame: 0xc8ab6c78730, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0xc8ab6c78730, count: -1