uvm_fault(0xfffffd806ccd7b90, 0x98, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff82456b28 cs 8 rflags 10246 cr2 98 cpl 0 rsp ffff80003c3eef30 gsbase 0xffff80002999dff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff82456b28 Starting stack trace... panic(ffffffff834f00ae) at panic+0x1d0 sys/kern/subr_prf.c:229 kerntrap(ffff80003c3eee80) at kerntrap+0x30b alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff800033f8f260,fffffd805f0fbd80,ffff80003c3ef060) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690 sys_futimes(ffff800033f8f260,ffff80003c3ef1b0,ffff80003c3ef100) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2732 syscall(ffff80003c3ef1b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef1b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x80d592c8af0, count: 250 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 74 -1665257472 EXIT 0 4 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *518799 91193 0 0 0 1 syz-executor 423712 37918 0 0x2 0 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x7ef364ca4de0, 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(0xfffffd806ccd7b90, 0x98, 0, 1) -> e ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7ef364ca4de0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c42f180 rbx 0 rdx 0 rcx 0xffff800039fb8fb0 rax 0x3c r8 0xffff80003c42f0b0 r9 0xffff80003c42ed78 r10 0x27905c7ad7fd2658 r11 0x4973d6fcaa105624 r12 0 r13 0 r14 0xffff800039fb8fb0 r15 0 rip 0xffffffff816033ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80003c42f100 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=518799 pid=91193 tcnt=3 stat=onproc flags process=0 proc=0 runpri=82, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033f8f4f8,0xffff800033f91790 process=0xffff80003a7c8ea0 user=0xffff80003c42a000, vmspace=0xfffffd806ccd73f0 estcpu=32, cpticks=8, pctcpu=0.4, user=7, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28891 372547 24956 0 2 0 syz-executor 28891 430228 24956 0 2 0x4000000 syz-executor 76435 92270 3119 0 2 0x1 syz-executor 76435 194684 3119 0 2 0x4000000 syz-executor 76435 154432 3119 0 3 0x4000000 sbar syz-executor 76435 290450 3119 0 2 0x4000001 syz-executor *91193 518799 98475 0 7 0 syz-executor 91193 201048 98475 0 3 0x4000080 fsleep syz-executor 91193 207545 98475 0 3 0x4000080 fsleep syz-executor 81946 505665 0 0 3 0x14280 nfsidl nfsio 81498 161097 0 0 3 0x14280 nfsidl nfsio 73710 219692 0 0 3 0x14280 nfsidl nfsio 18229 476954 0 0 3 0x14280 nfsidl nfsio 24680 65456 0 0 3 0x14280 nfsidl nfsio 10305 163629 0 0 3 0x14280 nfsidl nfsio 1926 248035 0 0 3 0x14280 nfsidl nfsio 30728 162853 0 0 3 0x14280 nfsidl nfsio 49128 84886 0 0 3 0x14280 nfsidl nfsio 58371 143160 0 0 3 0x14280 nfsidl nfsio 7759 387433 0 0 3 0x14280 nfsidl nfsio 46073 187993 0 0 3 0x14280 nfsidl nfsio 30681 469032 0 0 3 0x14280 nfsidl nfsio 21257 189653 0 0 3 0x14280 nfsidl nfsio 48310 453063 0 0 3 0x14280 nfsidl nfsio 87585 493858 0 0 3 0x14280 nfsidl nfsio 62497 159666 0 0 3 0x14280 nfsidl nfsio 80822 479764 0 0 3 0x14280 nfsidl nfsio 40044 122718 0 0 3 0x14280 nfsidl nfsio 83930 20 0 0 3 0x14280 nfsidl nfsio 91842 476226 83547 0 3 0x100082 sbwait arp 83547 215431 49103 0 3 0x10008a sigsusp sh 3119 396899 27945 0 3 0x82 nanoslp syz-executor 98475 422305 27945 0 3 0x82 nanoslp syz-executor 49103 288952 27945 0 3 0x82 wait syz-executor 46254 221054 27945 0 2 0x2 syz-executor 13116 409898 27945 0 3 0x2 biowait syz-executor 24956 474042 27945 0 3 0x82 nanoslp syz-executor 33215 445423 27945 0 3 0x2 biowait syz-executor 37918 423712 27945 0 7 0x2 syz-executor 27945 26193 93068 0 3 0x82 kqread syz-executor 93068 178885 19390 0 3 0x10008a sigsusp ksh 19390 366494 52415 0 3 0x98 kqread sshd-session 52415 492352 18230 0 3 0x92 kqread sshd-session 78970 205295 1 0 3 0x100083 ttyin getty 18230 77827 1 0 3 0x88 kqread sshd 36574 401008 45438 74 3 0x1100092 bpf pflogd 45438 324374 1 0 3 0x80 sbwait pflogd 6615 375109 3259 73 3 0x1100090 kqread syslogd 3259 367999 1 0 3 0x100082 sbwait syslogd 33039 112078 1 0 3 0x100080 kqread resolvd 77741 388703 71607 77 3 0x100092 kqread dhcpleased 27653 11443 71607 77 3 0x100092 kqread dhcpleased 71607 246807 1 0 3 0x80 kqread dhcpleased 24698 58789 0 0 3 0x14200 bored smr 82921 426146 0 0 2 0x14200 zerothread 72570 346741 0 0 3 0x14200 aiodoned aiodoned 45383 386494 0 0 3 0x14200 syncer update 54976 17484 0 0 3 0x14200 cleaner cleaner 18458 419687 0 0 3 0x14200 reaper reaper 39163 513732 0 0 3 0x14200 pgdaemon pagedaemon 88855 35403 0 0 3 0x14200 bored viomb 28439 282134 0 0 3 0x40014200 acpi0 acpi0 21176 364750 0 0 3 0x40014200 idle1 3132 39248 0 0 3 0x14200 bored softnet1 76695 320652 0 0 2 0x14200 softnet0 43528 253766 0 0 2 0x40014200 systqmp 5992 331817 0 0 3 0x14200 bored systq 86437 66521 0 0 3 0x14200 tmoslp softclockmp 93694 399030 0 0 3 0x40014200 tmoslp softclock 35378 130100 0 0 3 0x40014200 idle0 1 41934 0 0 3 0x82 nanoslp init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 76435 (syz-executor) thread 0xffff800033f8f260 (154432) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a04e80) #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 46254 (syz-executor) thread 0xffff800045fef770 (221054) exclusive rwlock vmmaplk r = 0 (0xfffffd806ccd7aa8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3752 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b1f78a0) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 13116 (syz-executor) thread 0xffff80002a222540 (409898) exclusive rrwlock inode r = 0 (0xfffffd806fe7bb30) #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:692 #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+0x963 sys/kern/vfs_lookup.c:580 #11 namei+0x7c5 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #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 (0xfffffd806dba7c48) #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+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #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 33215 (syz-executor) thread 0xffff80002a222d08 (445423) exclusive rrwlock inode r = 0 (0xfffffd8070873110) #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:150 #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:3062 #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 (0xfffffd806dc1b9f0) #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+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047 #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 37918 (syz-executor) thread 0xffff80002a2222a8 (423712) exclusive rwlock vmmaplk r = 0 (0xfffffd806ccd7e78) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3752 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806eecb2f8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5170 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3743 #4 process_new+0x583 sys/kern/kern_fork.c:282 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11073 12100K 12350K 166960K 12761 0 pcb 17 12K 12K 166960K 97 0 rtable 242 12K 13K 166960K 422 0 pf 43 19K 26K 166960K 109 0 ifaddr 41 7K 7K 166960K 71 0 ifgroup 63 2K 2K 166960K 123 0 sysctl 3 1K 9K 166960K 9 0 counters 74 37K 38K 166960K 126 0 ioctlops 0 0K 4K 166960K 1570 0 iov 0 0K 24K 166960K 15 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1293 81K 82K 166960K 1709 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 86 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 17 61K 89K 166960K 534 0 sigio 0 0K 0K 166960K 3 0 proc 72 115K 164K 166960K 563 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 58 0 in_multi 84 6K 6K 166960K 105 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 21 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 420 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 177K 191K 166960K 6645 0 UVM aobj 19 2K 2K 166960K 21 0 pinsyscall 43 86K 104K 166960K 1681 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 9 0 NDP 14 0K 1K 166960K 48 0 temp 47 9116K 9130K 166960K 24134 0 kqueue 13 20K 30K 166960K 77 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 54 0 50 1 0 1 1 0 8 0 rtentry 176 121 0 20 5 0 5 5 0 8 0 unpcb 144 369 0 352 6 2 4 6 0 8 3 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 124 0 120 4 3 1 4 0 8 0 arp 136 20 0 3 1 0 1 1 0 8 0 inpcb 328 458 0 449 7 1 6 7 0 8 4 nd6 152 26 0 3 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 16 0 16 1 0 1 1 0 8 1 pppxif 1576 3 0 3 1 1 0 1 0 8 0 pfstscr 40 12 0 6 1 0 1 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 77 0 72 1 0 1 1 0 8 0 pfosfp 40 1429 0 1429 5 0 5 5 0 8 5 pfosfpen 112 1429 0 1429 21 0 21 21 0 8 21 pfstlim 224 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 9 0 0 1 0 1 1 0 8 0 pfstitem 24 56 0 3 1 0 1 1 0 8 0 pfstkey 128 64 0 11 2 0 2 2 0 8 0 pfstate 448 56 0 7 6 0 6 6 0 8 0 pfrule 1360 35 0 29 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 506 0 70 28 0 28 28 0 8 0 art_table 40 507 0 70 5 0 5 5 0 8 0 art_node 32 120 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 2 1 1 1 0 8 1 semapl 72 84 0 74 1 0 1 1 0 8 0 shmpl 112 18 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2290 0 829 92 0 92 92 0 8 0 ffsino 296 2290 0 829 114 0 114 114 0 8 0 nchpl 144 3043 0 1347 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 vnodes 216 2597 0 0 145 0 145 145 0 8 0 namei 1024 9751 0 9750 2 1 1 2 0 8 0 percpumem 16 78 0 26 1 0 1 1 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 kstatmem 264 71 0 38 3 0 3 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 10043 0 10040 10 2 8 8 1 8 7 plimitpl 152 125 0 108 1 0 1 1 0 8 0 sigapl 424 881 0 814 9 0 9 9 0 8 0 knotepl 120 325 0 0 10 0 10 10 0 8 0 kqueuepl 224 173 0 163 5 0 5 5 0 8 4 pipepl 344 222 0 195 9 6 3 9 0 8 0 fdescpl 528 835 0 804 3 0 3 3 0 8 0 filepl 160 4694 0 4481 20 7 13 15 0 8 3 lockfpl 104 249 0 246 1 0 1 1 0 8 0 lockfspl 48 117 0 114 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 682 0 669 1 0 1 1 0 8 0 zombiepl 144 961 0 961 2 1 1 1 0 8 1 processpl 1232 881 0 814 7 0 7 7 0 8 0 procpl 664 1556 0 1483 8 0 8 8 0 8 0 sockpl 752 902 0 872 17 7 10 17 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 70 0 0 2 0 2 2 0 8 0 mbufpl 256 357 0 0 23 0 23 23 0 8 0 bufpl 272 3076 0 110 198 0 198 198 0 8 0 anonpl 32 7546 0 0 62 1 61 61 0 247 0 amapchunkpl 152 22040 0 21508 32 3 29 29 0 158 8 amappl16 200 1903 0 1878 6 3 3 5 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 487 0 485 1 0 1 1 0 8 0 amappl13 176 121 0 108 1 0 1 1 0 8 0 amappl12 168 1081 0 1053 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 1 0 1 0 8 0 amappl10 152 67 0 53 1 0 1 1 0 8 0 amappl9 144 278 0 277 1 0 1 1 0 8 0 amappl8 136 95 0 93 1 0 1 1 0 8 0 amappl7 128 157 0 142 1 0 1 1 0 8 0 amappl6 120 153 0 151 1 0 1 1 0 8 0 amappl5 112 107 0 96 1 0 1 1 0 8 0 amappl4 104 289 0 269 1 0 1 1 0 8 0 amappl3 96 4188 0 4091 4 0 4 4 0 8 0 amappl2 88 555 0 492 2 0 2 2 0 8 0 amappl1 80 11980 0 11364 15 0 15 15 0 8 0 amappl 88 5859 0 5716 5 0 5 5 0 92 1 uvmvnodes 80 125 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma8192 8192 2 0 2 1 0 1 1 0 8 1 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 128 254 0 254 2 2 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 20 0 2 1 0 1 1 0 8 0 uaddrrnd 24 835 0 804 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 835 0 804 1 0 1 1 0 8 0 vmmpekpl 168 8995 0 8956 3 0 3 3 0 8 0 vmmpepl 168 59941 0 58100 90 1 89 89 0 357 1 vmsppl 488 834 0 804 5 0 5 5 0 8 0 rwobjpl 80 18723 0 17634 25 1 24 24 0 8 0 pdppl 4096 1677 0 1608 97 26 71 83 0 8 2 pvpl 32 14651 0 0 120 1 119 119 0 265 0 pmappl 256 834 0 804 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 486 0 34 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839a7ff0) 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(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) 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 __mp_lock(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2a83e0,ffff8000002a2900) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a04680,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83a07ca8,1) at pool_get+0x27e sys/kern/subr_pool.c:595 uvm_mapent_alloc(fffffd806ccd7d78,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 end trace frame: 0xffff80002a2a86e0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff839a7ff0) 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(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) 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 __mp_lock(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a2a83e0,ffff8000002a2900) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a04680) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a04680) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83a04680,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff83a07ca8,1) at pool_get+0x27e sys/kern/subr_pool.c:595 uvm_mapent_alloc(fffffd806ccd7d78,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 uvm_map_mkentry(fffffd806ccd7d78,fffffd806cd76a80,fffffd806cd76a80,6a6c5805000,1000,0,f4981cd786801149,1000) at uvm_map_mkentry+0x87 sys/uvm/uvm_map.c:-1 uvm_mapent_clone(fffffd806ccd7d78,6a6c5805000,1000,0,3,7,2f3f999477ed58ef,fffffd806dedd428,ffff80002a2a8828,fffffd806dedd428) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3481 uvm_mapent_forkzero(3,fffffd806ccd7d78,0,fffffd806dedd428,ffff80002a2a8828) at uvm_mapent_forkzero+0x67 sys/uvm/uvm_map.c:3700 uvmspace_fork(ffff800045ff1350) at uvmspace_fork+0x269 sys/uvm/uvm_map.c:3780 process_new(ffff800033f8fcc0,ffff800045ff1350,1) at process_new+0x583 sys/kern/kern_fork.c:282 fork1(ffff80002a2222a8,1,ffffffff8341be50,0,ffff80002a2a8a00,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a2a8ab0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2a8ab0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74363f405ee0, count: -22 ddb{0}> machine ddbcpu 1 Stopped at savectx+0xae: movl $0,%gs:0x688 savectx() at savectx+0xae end of kernel end trace frame: 0x7ef364ca4de0, count: 14 ddb{1}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x7ef364ca4de0, count: -1