panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1275 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 398739 60655 73 0x1100010 0 1 syslogd *153572 27854 0 0x14000 0x200 0K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8257abd3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eecca,ffffffff8256958f,4fb,ffffffff8259f5f1) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80071ee980) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806c3e9a20,f5478013000,f5478212000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1668 uvm_unmap_kill_entry_withlock(fffffd806c3e9a20,fffffd806a6786c0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806c3e9a20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9260) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 6 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1275 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8257abd3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eecca,ffffffff8256958f,4fb,ffffffff8259f5f1) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80071ee980) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806c3e9a20,f5478013000,f5478212000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1668 uvm_unmap_kill_entry_withlock(fffffd806c3e9a20,fffffd806a6786c0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806c3e9a20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9260) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021135970 rbx 0xffffffff82906bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000210f9260 r8 0x101010101010101 r9 0x8080808080808080 r10 0xab2bd12731c40389 r11 0x70cc9dded69c9224 r12 0xffffffff82906a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81111978 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021135960 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=153572 stat=onproc flags process=14000 proc=200 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000210f87e0,0xffff8000210f97b0 process=0xffff8000ffffc850 user=0xffff800021130000, vmspace=0xffffffff829b5f80 estcpu=36, cpticks=49, pctcpu=25.25 user=0, sys=6, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5353 94627 95618 0 2 0x40 syz-executor.3 95618 241648 2515 0 3 0x82 ppwait syz-executor.3 52208 41919 2515 0 3 0x82 piperd syz-executor.6 92961 6316 2515 0 2 0x2 syz-executor.2 90577 156486 2515 0 3 0x82 piperd syz-executor.0 2515 408824 72264 0 3 0x82 thrsleep syz-fuzzer 2515 246624 72264 0 2 0x4000482 syz-fuzzer 2515 223692 72264 0 3 0x4000082 thrsleep syz-fuzzer 2515 180389 72264 0 3 0x4000082 thrsleep syz-fuzzer 2515 267940 72264 0 3 0x4000082 thrsleep syz-fuzzer 2515 447654 72264 0 3 0x4000002 biowait syz-fuzzer 2515 441718 72264 0 2 0x4000002 syz-fuzzer 2515 498295 72264 0 3 0x4000082 thrsleep syz-fuzzer 2515 5078 72264 0 3 0x4000082 thrsleep syz-fuzzer 2515 128680 72264 0 2 0x4000082 syz-fuzzer 2515 322096 72264 0 3 0x4000082 thrsleep syz-fuzzer 72264 73902 96406 0 3 0x10008a sigsusp ksh 96406 479225 31941 0 3 0x9a kqread sshd 46394 118769 1 0 3 0x100083 ttyin getty 31941 155448 1 0 3 0x88 kqread sshd 66754 99106 22670 74 3 0x1100092 bpf pflogd 22670 79060 1 0 3 0x80 netio pflogd 60655 398739 36973 73 7 0x1100010 syslogd 36973 199313 1 0 3 0x100082 netio syslogd 37841 336877 1 0 2 0x100080 resolvd 68233 121904 39843 77 2 0x100092 dhcpleased 63902 256605 39843 77 3 0x100092 kqread dhcpleased 39843 33889 1 0 3 0x80 kqread dhcpleased 82845 134410 0 0 3 0x14200 bored smr 59649 454972 0 0 3 0x14200 pgzero zerothread 23019 187438 0 0 3 0x14200 aiodoned aiodoned 89269 341102 0 0 3 0x14200 syncer update 87121 500365 0 0 3 0x14200 cleaner cleaner *27854 153572 0 0 7 0x14200 reaper 89023 331643 0 0 3 0x14200 pgdaemon pagedaemon 88103 447233 0 0 3 0x14200 bored viomb 6744 413005 0 0 3 0x40014200 acpi0 acpi0 92954 499900 0 0 3 0x40014200 idle1 93256 63586 0 0 3 0x14200 bored softnet 67743 50591 0 0 3 0x14200 bored systqmp 40720 9843 0 0 3 0x14200 bored systq 84727 512620 0 0 3 0x40014200 bored softclock 87679 396578 0 0 3 0x40014200 idle0 1 516115 0 0 2 0x82 init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff829c3fe8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x243 sys/uvm/uvm_fault.c:1667 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 #5 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #7 reaper+0x18b sys/kern/kern_exit.c:457 #8 proc_trampoline+0x1c Process 92961 (syz-executor.2) thread 0xffff80002119efc0 (6316) exclusive rrwlock inode r = 0 (0xfffffd80759a16f8) #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 (0xfffffd806856af80) #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 2515 (syz-fuzzer) thread 0xffff80002119fce0 (447654) exclusive rrwlock inode r = 0 (0xfffffd806c3cc2c8) #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 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c3ccf88) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 2515 (syz-fuzzer) thread 0xffff80002119ea80 (441718) exclusive rrwlock inode r = 0 (0xfffffd806c3cc708) #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 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d7a0928) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 60655 (syslogd) thread 0xffff8000ffff6010 (398739) exclusive rrwlock inode r = 0 (0xfffffd806e73a810) #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 sys_fsync+0xf5 sys/kern/vfs_syscalls.c:2924 #6 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #7 Xsyscall+0x128 Process 27854 (reaper) thread 0xffff8000210f9260 (153572) exclusive rwlock uobjlk r = 0 (0xfffffd806bc932b0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 uvm_fault_unwire_locked+0x1e8 sys/uvm/uvm_fault.c:1655 #3 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 #4 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #4 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 #5 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #6 reaper+0x18b sys/kern/kern_exit.c:457 #7 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82ad3b18) #0 witness_lock+0x44d #1 uvm_unmap_kill_entry_withlock+0x4c sys/uvm/uvm_map.c:2134 #2 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #2 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 #3 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #4 reaper+0x18b sys/kern/kern_exit.c:457 #5 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff829c3fe8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x243 sys/uvm/uvm_fault.c:1667 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 #5 uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #7 reaper+0x18b sys/kern/kern_exit.c:457 #8 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10167 6464K 6668K 78643K 11348 0 pcb 13 8K 8K 78643K 19 0 rtable 128 3K 7K 78643K 352 0 ifaddr 55 12K 17K 78643K 94 0 counters 48 34K 35K 78643K 58 0 ioctlops 0 0K 4K 78643K 1487 0 iov 0 0K 0K 78643K 7 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1273 80K 80K 78643K 1334 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 7 21K 93K 78643K 410 0 proc 68 87K 124K 78643K 514 0 subproc 52 3K 6K 78643K 117 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 29 0 in_multi 44 2K 7K 78643K 178 0 ether_multi 1 0K 0K 78643K 13 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 2K 78643K 650 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 209 47K 100K 78643K 6474 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 8 0K 2K 78643K 29 0 temp 95 4696K 4761K 78643K 5091 0 kqueue 12 18K 20K 78643K 71 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 33 0 30 1 0 1 1 0 8 0 rtentry 112 111 0 56 4 1 3 4 0 8 0 unpcb 136 119 0 104 1 0 1 1 0 8 0 syncache 296 22 0 22 2 2 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 16 0 16 3 3 0 1 0 8 0 tcpcb 736 116 0 112 4 3 1 4 0 8 0 arp 120 18 0 10 1 0 1 1 0 8 0 inpcb 304 264 0 257 2 1 1 2 0 8 0 nd6 48 24 0 15 1 0 1 1 0 8 0 kcovpl 48 9 0 5 1 0 1 1 0 8 0 pffrag 232 4 0 4 1 1 0 1 0 482 0 pffrnode 88 4 0 4 1 1 0 1 0 8 0 pffrent 40 7 0 7 1 1 0 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 17 0 15 1 0 1 1 0 8 0 pfstkey 112 17 0 15 1 0 1 1 0 8 0 pfstate 320 17 0 15 2 1 1 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 453 0 220 29 5 24 29 0 8 5 art_table 32 454 0 220 4 0 4 4 0 8 0 art_node 16 110 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 68 0 34 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1789 0 354 91 0 91 91 0 8 0 ffsino 272 1789 0 354 97 0 97 97 0 8 0 nchpl 144 2325 0 693 63 0 63 63 0 8 0 uvmvnodes 80 1940 0 0 40 0 40 40 0 8 0 vnodes 224 1940 0 0 115 0 115 115 0 8 0 namei 1024 7446 0 7445 4 3 1 2 0 8 0 percpumem 16 41 0 5 1 0 1 1 0 8 0 scxspl 216 7902 0 7901 9 8 1 8 0 8 0 plimitpl 152 53 0 37 1 0 1 1 0 8 0 sigapl 424 709 0 669 6 0 6 6 0 8 0 futexpl 64 1966 0 1966 4 4 0 1 0 8 0 knotepl 120 104 0 0 4 0 4 4 0 8 0 kqueuepl 216 47 0 39 1 0 1 1 0 8 0 pipepl 336 133 0 109 3 0 3 3 0 8 0 fdescpl 496 695 0 675 5 1 4 5 0 8 0 filepl 152 2378 0 2206 10 2 8 10 0 8 0 lockfpl 104 46 0 44 1 0 1 1 0 8 0 lockfspl 48 14 0 12 1 0 1 1 0 8 0 sessionpl 144 25 0 7 1 0 1 1 0 8 0 pgrppl 48 29 0 11 1 0 1 1 0 8 0 ucredpl 96 197 0 185 1 0 1 1 0 8 0 zombiepl 144 675 0 669 1 0 1 1 0 8 0 processpl 1064 709 0 669 4 0 4 4 0 8 0 procpl 672 1065 0 1014 6 0 6 6 0 8 0 sockpl 480 416 0 391 5 1 4 5 0 8 0 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k 2048 178 0 0 17 1 16 16 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 368 0 0 20 0 20 20 0 8 0 bufpl 288 6497 0 161 453 0 453 453 0 8 0 anonpl 24 231813 0 212871 358 31 327 350 0 186 186 amapchunkpl 152 20343 0 19134 147 15 132 142 0 158 73 amappl16 200 876 0 748 11 1 10 10 0 8 0 amappl15 192 173 0 168 1 0 1 1 0 8 0 amappl14 184 19 0 17 1 0 1 1 0 8 0 amappl13 176 127 0 123 1 0 1 1 0 8 0 amappl12 168 64 0 62 1 0 1 1 0 8 0 amappl11 160 134 0 119 1 0 1 1 0 8 0 amappl10 152 61 0 52 1 0 1 1 0 8 0 amappl9 144 480 0 477 1 0 1 1 0 8 0 amappl8 136 666 0 622 2 0 2 2 0 8 0 amappl7 128 211 0 197 1 0 1 1 0 8 0 amappl6 120 225 0 202 2 1 1 2 0 8 0 amappl5 112 348 0 335 1 0 1 1 0 8 0 amappl4 104 982 0 958 2 1 1 2 0 8 0 amappl3 96 249 0 236 1 0 1 1 0 8 0 amappl2 88 600 0 556 3 1 2 3 0 8 0 amappl1 80 15369 0 14895 19 6 13 19 0 8 0 amappl 88 6014 0 5866 6 0 6 6 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 695 0 675 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 695 0 675 1 0 1 1 0 8 0 vmmpekpl 168 9706 0 9665 3 0 3 3 0 8 0 vmmpepl 168 62960 0 61468 111 3 108 108 0 357 17 vmsppl 368 694 0 674 4 1 3 4 0 8 0 rwobjpl 56 17981 0 15086 44 0 44 44 0 8 0 pdppl 4096 1397 0 1348 109 36 73 85 0 8 24 pvpl 32 533338 0 506555 645 98 547 638 0 265 265 pmappl 248 694 0 674 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 845 0 52 23 0 23 23 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8257abd3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eecca,ffffffff8256958f,4fb,ffffffff8259f5f1) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80071ee980) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806c3e9a20,f5478013000,f5478212000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1668 uvm_unmap_kill_entry_withlock(fffffd806c3e9a20,fffffd806a6786c0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806c3e9a20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806c3e9a20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9260) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -9 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 __mp_lock(ffffffff82ad3910) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ad3910) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82ad3910,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff8000211b6a70,1) at sleep_finish+0x198 sys/kern/kern_synch.c:437 tsleep(fffffd806f901360,11,ffffffff825f5cb1,0) at tsleep+0x12c sys/kern/kern_synch.c:158 biowait(fffffd806f901360) at biowait+0x91 sys/kern/vfs_bio.c:1271 bwrite(fffffd806f901360) at bwrite+0x21b sys/kern/vfs_bio.c:772 ffs_update(fffffd806e73a778,1) at ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113 VOP_FSYNC(fffffd806e8ec050,fffffd807f7d8c00,1,ffff8000ffff6010) at VOP_FSYNC+0xce sys/kern/vfs_vops.c:327 sys_fsync(ffff8000ffff6010,ffff8000211b6cf0,ffff8000211b6d50) at sys_fsync+0x109 sys/kern/vfs_syscalls.c:2924 syscall(ffff8000211b6dc0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211b6dc0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 end trace frame: 0xffff8000211b6e40, 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 __mp_lock(ffffffff82ad3910) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ad3910) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82ad3910,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x3d3 sys/kern/sched_bsd.c:416 sleep_finish(ffff8000211b6a70,1) at sleep_finish+0x198 sys/kern/kern_synch.c:437 tsleep(fffffd806f901360,11,ffffffff825f5cb1,0) at tsleep+0x12c sys/kern/kern_synch.c:158 biowait(fffffd806f901360) at biowait+0x91 sys/kern/vfs_bio.c:1271 bwrite(fffffd806f901360) at bwrite+0x21b sys/kern/vfs_bio.c:772 ffs_update(fffffd806e73a778,1) at ffs_update+0x27d sys/ufs/ffs/ffs_inode.c:113 VOP_FSYNC(fffffd806e8ec050,fffffd807f7d8c00,1,ffff8000ffff6010) at VOP_FSYNC+0xce sys/kern/vfs_vops.c:327 sys_fsync(ffff8000ffff6010,ffff8000211b6cf0,ffff8000211b6d50) at sys_fsync+0x109 sys/kern/vfs_syscalls.c:2924 syscall(ffff8000211b6dc0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000211b6dc0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcf950, count: -15