uvm_fault(0xfffffd806c5d57c0, 0x98, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff810a8fc8 cs 8 rflags 10246 cr2 98 cpl 0 rsp ffff80003c4132e0 gsbase 0xffff8000299bdff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff810a8fc8 Starting stack trace... panic(ffffffff8348205d) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80003c413230) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff80003c3d8a80,fffffd80642532c0,ffff80003c413410) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimes(ffff80003c3d8a80,ffff80003c413560,ffff80003c4134b0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2813 syscall(ffff80003c413560) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c413560) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ef7f7886d0, count: 250 End of stack trace. WARNING: SPL NOT LOWERED ON TRAP EXIT 4 0 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *289746 54234 0 0 0 1 syz-executor 429845 4414 0 0 0 0 syz-executor proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7f4bf9444ae0, 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}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault(0xfffffd806c5d57c0, 0x98, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7f4bf9444ae0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4a7530 rbx 0 rdx 0 rcx 0xffff80003c3fa030 rax 0x2a r8 0xffff80003c4a7460 r9 0x1 r10 0xdf602b698eeaa7e4 r11 0xd157d7a64a40be39 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff82d824c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003c4a74b0 ss 0x10 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=289746 pid=54234 tcnt=2 stat=onproc flags process=0 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c3d34e8,0xffff80003c3fa2d8 process=0xffff80003c48a6a8 user=0xffff80003c4a2000, vmspace=0xfffffd806c8467b8 estcpu=36, cpticks=4, pctcpu=0.0, user=4, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *54234 289746 66465 0 7 0 syz-executor 54234 149010 66465 0 3 0x4000080 fsleep syz-executor 27621 60003 83693 0 2 0 syz-executor 27621 261009 83693 0 3 0x4000080 netacc syz-executor 4414 429845 32332 0 7 0 syz-executor 4414 234064 32332 0 3 0x4000000 sbar syz-executor 19746 42680 30848 0 2 0 syz-executor 19746 53793 30848 0 3 0x4000080 kqsel syz-executor 19746 25353 30848 0 2 0x4000000 syz-executor 19746 268096 30848 0 3 0x4000080 fsleep syz-executor 15923 230176 19798 0 3 0x80 nanoslp syz-executor 15923 65733 19798 0 3 0x4000080 sbwait syz-executor 15923 161161 19798 0 3 0x4000080 fsleep syz-executor 15923 227539 19798 0 3 0x4000080 fsleep syz-executor 24522 205654 0 0 3 0x14280 nfsidl nfsio 13144 390547 0 0 3 0x14280 nfsidl nfsio 94929 78196 0 0 3 0x14280 nfsidl nfsio 44661 1944 0 0 3 0x14280 nfsidl nfsio 27221 157232 0 0 3 0x14280 nfsidl nfsio 10332 149380 0 0 3 0x14280 nfsidl nfsio 1658 213825 0 0 3 0x14280 nfsidl nfsio 72905 278709 0 0 3 0x14280 nfsidl nfsio 13707 40043 0 0 3 0x14280 nfsidl nfsio 60129 460411 0 0 3 0x14280 nfsidl nfsio 72169 395837 0 0 3 0x14280 nfsidl nfsio 85918 167823 0 0 3 0x14280 nfsidl nfsio 79737 207714 0 0 3 0x14280 nfsidl nfsio 78124 477053 0 0 3 0x14280 nfsidl nfsio 69617 241134 0 0 3 0x14280 nfsidl nfsio 547 138220 0 0 3 0x14280 nfsidl nfsio 57180 401850 0 0 3 0x14280 nfsidl nfsio 23094 72530 0 0 3 0x14280 nfsidl nfsio 12185 105844 0 0 3 0x14280 nfsidl nfsio 46276 190425 0 0 3 0x14280 nfsidl nfsio 20145 215066 51734 0 3 0x80 nanoslp syz-executor 20145 301180 51734 0 3 0x4000080 pppxread syz-executor 83693 521970 68906 0 3 0x82 nanoslp syz-executor 5965 11618 68906 0 3 0x2 biowait syz-executor 30848 515220 68906 0 3 0x82 nanoslp syz-executor 63235 183419 68906 0 3 0x2 biowait syz-executor 66465 53660 68906 0 3 0x82 nanoslp syz-executor 32332 426135 68906 0 3 0x82 nanoslp syz-executor 19798 68429 68906 0 3 0x82 nanoslp syz-executor 51734 256884 68906 0 3 0x82 nanoslp syz-executor 68906 159061 151 0 3 0x82 kqread syz-executor 151 337174 87948 0 3 0x10008a sigsusp ksh 87948 218629 13558 0 3 0x98 kqread sshd-session 13558 475519 33549 0 3 0x92 kqread sshd-session 79510 239216 1 0 3 0x100083 ttyin getty 33549 451881 1 0 3 0x88 kqread sshd 4419 69240 25480 74 3 0x1100092 bpf pflogd 25480 272910 1 0 3 0x80 sbwait pflogd 39962 208796 15226 73 3 0x1100090 kqread syslogd 15226 429320 1 0 3 0x100082 sbwait syslogd 21463 212277 1 0 3 0x100080 kqread resolvd 68942 391166 21231 77 3 0x100092 kqread dhcpleased 30338 196574 21231 77 3 0x100092 kqread dhcpleased 21231 523246 1 0 3 0x80 kqread dhcpleased 95201 72731 0 0 3 0x14200 bored smr 44522 249297 0 0 2 0x14200 zerothread 90086 259961 0 0 3 0x14200 aiodoned aiodoned 35724 25035 0 0 3 0x14200 syncer update 19368 191756 0 0 3 0x14200 cleaner cleaner 26727 202951 0 0 3 0x14200 reaper reaper 5642 240829 0 0 3 0x14200 pgdaemon pagedaemon 40628 483286 0 0 3 0x14200 bored viomb 32677 214743 0 0 3 0x40014200 acpi0 acpi0 53893 450517 0 0 3 0x40014200 idle1 44683 140801 0 0 3 0x14200 bored softnet1 52617 185292 0 0 3 0x14200 netlock softnet0 8477 86904 0 0 3 0x14200 smrbar systqmp 54016 423909 0 0 3 0x14200 bored systq 93791 446231 0 0 3 0x14200 tmoslp softclockmp 42328 409284 0 0 3 0x40014200 tmoslp softclock 32026 369849 0 0 3 0x40014200 idle0 1 170463 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 4414 (syz-executor) thread 0xffff80003c3d8a80 (234064) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a75800) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 20145 (syz-executor) thread 0xffff8000fffee2b0 (301180) exclusive rrwlock inode r = 0 (0xfffffd806fd6b8d0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x7a5 sys/kern/vfs_vnops.c:183 #8 vndioctl+0xc43 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 Process 5965 (syz-executor) thread 0xffff8000fffeefa8 (11618) exclusive rrwlock inode r = 0 (0xfffffd806c743440) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x98a sys/kern/vfs_lookup.c:567 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdb4b20) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1887 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 63235 (syz-executor) thread 0xffff8000fffefca0 (183419) exclusive rrwlock inode r = 0 (0xfffffd806c743c58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3143 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdb4308) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3128 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 8477 (systqmp) thread 0xffff8000ffffe530 (86904) shared rwlock systqmp r = 0 (0xffffffff8392f398) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11099 12277K 12288K 166960K 12318 0 pcb 17 12K 12K 166960K 38 0 rtable 235 6K 7K 166960K 373 0 pf 33 17K 18K 166960K 53 0 ifaddr 43 7K 7K 166960K 50 0 ifgroup 51 2K 2K 166960K 60 0 sysctl 1 1K 9K 166960K 5 0 counters 68 36K 37K 166960K 72 0 ioctlops 0 0K 4K 166960K 1503 0 iov 1 0K 16K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1300 82K 82K 166960K 1570 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 241 0 proc 75 131K 180K 166960K 577 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 16 0 in_multi 92 6K 7K 166960K 107 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 393 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 159K 180K 166960K 4138 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 41 82K 102K 166960K 1408 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 11 0K 2K 166960K 30 0 temp 42 9072K 9139K 166960K 7041 0 kqueue 14 22K 26K 166960K 45 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 37 0 34 1 0 1 1 0 8 0 rtentry 176 121 0 12 6 0 6 6 0 8 0 unpcb 144 112 0 93 1 0 1 1 0 8 0 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 65 0 58 4 0 4 4 0 8 3 arp 136 22 0 2 1 0 1 1 0 8 0 inpcb 328 174 0 162 4 0 4 4 0 8 2 nd6 152 24 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 2 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 24 0 0 1 0 1 1 0 8 0 pfstkey 128 26 0 2 1 0 1 1 0 8 0 pfstate 448 25 0 1 3 0 3 3 0 8 0 pfrule 1360 25 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 458 0 44 29 0 29 29 0 8 2 art_table 40 459 0 44 5 0 5 5 0 8 0 art_node 32 121 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1868 0 403 92 0 92 92 0 8 0 ffsino 296 1868 0 403 114 0 114 114 0 8 0 nchpl 144 2229 0 527 64 0 64 64 0 8 0 vnodes 216 2009 0 0 112 0 112 112 0 8 0 namei 1024 7241 0 7240 2 0 2 2 0 8 1 percpumem 16 51 0 2 1 0 1 1 0 8 0 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scxspl 216 7724 0 7721 4 2 2 3 1 8 1 plimitpl 152 41 0 23 1 0 1 1 0 8 0 sigapl 424 579 0 513 8 0 8 8 0 8 0 knotepl 120 309 0 0 10 0 10 10 0 8 0 kqueuepl 224 51 0 39 1 0 1 1 0 8 0 pipepl 344 135 0 108 3 0 3 3 0 8 0 fdescpl 528 543 0 513 3 0 3 3 0 8 0 filepl 160 2709 0 2491 17 0 17 17 0 8 7 lockfpl 104 44 0 41 1 0 1 1 0 8 0 lockfspl 48 24 0 21 1 0 1 1 0 8 0 sessionpl 144 31 0 22 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 735 0 721 1 0 1 1 0 8 0 zombiepl 144 513 0 513 1 0 1 1 0 8 1 processpl 1232 579 0 513 6 0 6 6 0 8 0 procpl 664 765 0 689 7 0 7 7 0 8 0 sockpl 752 330 0 296 7 0 7 7 0 8 2 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 128 0 0 8 0 8 8 0 8 0 bufpl 280 2889 0 105 199 0 199 199 0 8 0 anonpl 32 4424 0 0 36 0 36 36 0 246 0 amapchunkpl 152 12245 0 11769 27 1 26 26 0 158 5 amappl16 200 2017 0 1993 6 1 5 5 0 8 2 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 441 0 440 1 0 1 1 0 8 0 amappl13 176 128 0 116 1 0 1 1 0 8 0 amappl12 168 793 0 764 2 0 2 2 0 8 0 amappl11 160 19 0 19 1 1 0 1 0 8 0 amappl10 152 71 0 57 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 1 0 1 0 8 0 amappl8 136 97 0 95 1 0 1 1 0 8 0 amappl7 128 185 0 172 1 0 1 1 0 8 0 amappl6 120 185 0 183 1 0 1 1 0 8 0 amappl5 112 108 0 97 1 0 1 1 0 8 0 amappl4 104 318 0 295 1 0 1 1 0 8 0 amappl3 96 2160 0 2049 5 1 4 5 0 8 0 amappl2 88 565 0 504 2 0 2 2 0 8 0 amappl1 80 11171 0 10565 17 0 17 17 0 8 1 amappl 88 3369 0 3209 5 0 5 5 0 92 0 uvmvnodes 80 101 0 0 3 0 3 3 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 543 0 513 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 543 0 513 1 0 1 1 0 8 0 vmmpekpl 168 6747 0 6712 2 0 2 2 0 8 0 vmmpepl 168 44960 0 43087 100 1 99 99 0 357 10 vmsppl 488 542 0 513 5 0 5 5 0 8 0 rwobjpl 80 16352 0 15313 27 0 27 27 0 8 3 pdppl 4096 1093 0 1026 101 26 75 83 0 8 8 pvpl 32 12643 0 0 103 1 102 102 0 265 0 pmappl 256 542 0 513 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 274 0 29 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83952ff0) 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 __mp_lock(ffffffff83a75000) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a75000) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83a75000) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a75000) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3e5670,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x72b7249c96e0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83952ff0) 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 __mp_lock(ffffffff83a75000) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a75000) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(2) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(2) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsofttty() at Xsofttty+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83a75000) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a75000) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 intr_handler(ffff80003c3e5670,ffff8000002a3480) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x72b7249c96e0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7f4bf9444ae0, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7f4bf9444ae0, count: -1