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 80273 95519 0 0x2 0 1 syz-executor.7 *348971 32246 0 0x14000 0x200 0K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825760e9) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e7fe0,ffffffff82561124,4fb,ffffffff82597645) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd800682f340) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806a80b180,d17a6f94000,d17a7193000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd806a80b180,fffffd806a838af0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806a80b180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:462 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(ffffffff825760e9) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e7fe0,ffffffff82561124,4fb,ffffffff82597645) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd800682f340) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806a80b180,d17a6f94000,d17a7193000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd806a80b180,fffffd806a838af0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806a80b180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:462 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021135a70 rbx 0xffffffff828f9bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000210f97a0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5f3f9164ff7496a8 r11 0x1bc0859037460851 r12 0xffffffff828f9a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff8134cee8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021135a60 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=348971 stat=onproc flags process=14000 proc=200 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000210f9260,0xffff8000210f9a50 process=0xffff8000ffffd8f0 user=0xffff800021130000, vmspace=0xffffffff82b6fd00 estcpu=36, cpticks=80, pctcpu=38.20 user=0, sys=8, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44517 316115 67183 0 3 0x2 inode syz-executor.3 95519 80273 67183 0 7 0x2 syz-executor.7 82641 156769 67183 0 2 0x2 syz-executor.4 1814 489992 67183 0 2 0x82 syz-executor.6 25832 184904 67183 0 3 0x82 piperd syz-executor.5 29520 394015 67183 0 2 0x82 syz-executor.2 67183 349934 81398 0 2 0x2 syz-fuzzer 67183 329848 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 232247 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 375546 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 378848 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 96074 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 302104 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 408769 81398 0 2 0x4000082 syz-fuzzer 67183 289124 81398 0 3 0x4000082 thrsleep syz-fuzzer 67183 101344 81398 0 2 0x4000082 syz-fuzzer 81398 503260 61090 0 3 0x10008a sigsusp ksh 61090 19773 35328 0 3 0x9a poll sshd 46036 69680 1 0 3 0x100083 ttyin getty 35328 232786 1 0 3 0x88 poll sshd 37704 486983 50555 74 3 0x100092 bpf pflogd 50555 307648 1 0 3 0x80 netio pflogd 32883 346129 45295 73 2 0x100010 syslogd 45295 44636 1 0 3 0x100082 netio syslogd 54278 384258 1 0 3 0x100080 kqread resolvd 96226 453206 52053 77 3 0x100092 kqread dhcpleased 90428 248909 52053 77 3 0x100092 kqread dhcpleased 52053 276122 1 0 3 0x80 kqread dhcpleased 61379 514665 0 0 3 0x14200 bored smr 97853 351356 0 0 3 0x14200 pgzero zerothread 26645 252366 0 0 3 0x14200 aiodoned aiodoned 57561 127365 0 0 3 0x14200 syncer update 81696 423769 0 0 3 0x14200 cleaner cleaner *32246 348971 0 0 7 0x14200 reaper 6057 48585 0 0 3 0x14200 pgdaemon pagedaemon 4733 348029 0 0 3 0x14200 bored viomb 33067 248754 0 0 3 0x40014200 acpi0 acpi0 62911 423284 0 0 3 0x40014200 idle1 52617 107146 0 0 3 0x14200 bored softnet 83542 95548 0 0 3 0x14200 bored systqmp 91897 178490 0 0 3 0x14200 bored systq 38703 1574 0 0 3 0x40014200 bored softclock 91070 319178 0 0 3 0x40014200 idle0 1 193180 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82a6cac8) #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:1653 #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:462 #8 proc_trampoline+0x1c Process 44517 (syz-executor.3) thread 0xffff8000211437a8 (316115) exclusive rrwlock inode r = 0 (0xfffffd807eb31b38) #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 vn_open+0x105 sys/kern/vfs_vnops.c:146 #8 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #9 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #10 Xsyscall+0x128 Process 95519 (syz-executor.7) thread 0xffff8000211802a0 (80273) exclusive rrwlock inode r = 0 (0xfffffd80704ba810) #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:3100 #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 (0xfffffd80704ba1b0) #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:3085 #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 82641 (syz-executor.4) thread 0xffff80002af54a90 (156769) exclusive rrwlock inode r = 0 (0xfffffd80704ba4e0) #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:3100 #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 (0xfffffd806ff0c1a8) #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:3085 #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 67183 (syz-fuzzer) thread 0xffff800021182550 (349934) exclusive rrwlock inode r = 0 (0xfffffd806ff0cd58) #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:1849 #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 (0xfffffd806f0bbe70) #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:1849 #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 32883 (syslogd) thread 0xffff800021183a50 (346129) exclusive rrwlock inode r = 0 (0xfffffd806e73f4e0) #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:2923 #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 32246 (reaper) thread 0xffff8000210f97a0 (348971) exclusive rwlock uobjlk r = 0 (0xfffffd806bca55f8) #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:1641 #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:462 #7 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a3de28) #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:462 #5 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82a6cac8) #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:1653 #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:462 #8 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10158 6479K 6744K 78643K 38053 0 pcb 13 10K 11K 78643K 52 0 rtable 150 4K 7K 78643K 1066 0 ifaddr 58 13K 18K 78643K 264 0 counters 48 34K 35K 78643K 106 0 ioctlops 0 0K 4K 78643K 12282 0 iov 0 0K 0K 78643K 298 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1397 87K 88K 78643K 20645 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 80 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 892 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 8 22K 85K 78643K 28075 0 sigio 0 0K 0K 78643K 141 0 proc 67 87K 124K 78643K 1192 0 subproc 65 4K 6K 78643K 442 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 55 3K 6K 78643K 363 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 1229 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 213 53K 89K 78643K 334759 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 8 0K 2K 78643K 101 0 temp 106 4698K 4827K 78643K 79848 0 kqueue 10 14K 14K 78643K 10 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 80 0 77 1 0 1 1 0 8 0 rtentry 112 374 0 308 4 1 3 4 0 8 0 unpcb 136 15061 0 15046 36 35 1 6 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 8 0 4 1 0 1 1 0 8 0 arp 120 66 0 56 1 0 1 1 0 8 0 inpcb 304 361 0 354 9 8 1 6 0 8 0 nd6 48 95 0 83 1 0 1 1 0 8 0 kcovpl 48 34 0 29 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 51 0 49 1 0 1 1 0 8 0 pfstkey 112 51 0 49 1 0 1 1 0 8 0 pfstate 320 51 0 49 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 1516 0 1234 50 26 24 29 0 8 0 art_table 32 1517 0 1234 4 0 4 4 0 8 0 art_node 16 373 0 313 1 0 1 1 0 8 0 semapl 112 890 0 880 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 34627 0 33206 91 0 91 91 0 8 0 ffsino 272 34627 0 33206 97 0 97 97 0 8 0 nchpl 144 68403 0 66779 63 0 63 63 0 8 0 uvmvnodes 80 6511 0 0 133 0 133 133 0 8 0 vnodes 224 6511 0 0 383 0 383 383 0 8 0 namei 1024 187078 0 187075 30 29 1 2 0 8 0 percpumem 16 65 0 29 1 0 1 1 0 8 0 scxspl 216 200702 0 200702 10 9 1 8 0 8 1 plimitpl 152 1580 0 1565 1 0 1 1 0 8 0 sigapl 424 28323 0 28288 23 18 5 6 0 8 0 futexpl 64 158904 0 158904 82 81 1 1 0 8 1 knotepl 112 200 0 0 4 0 4 4 0 8 0 kqueuepl 216 6 0 0 1 0 1 1 0 8 0 pipepl 336 6446 0 6420 71 68 3 9 0 8 0 fdescpl 496 28309 0 28288 8 4 4 5 0 8 0 filepl 152 100647 0 100458 98 88 10 20 0 8 0 lockfpl 104 2146 0 2144 1 0 1 1 0 8 0 lockfspl 48 959 0 957 1 0 1 1 0 8 0 sessionpl 144 49 0 34 1 0 1 1 0 8 0 pgrppl 48 49 0 34 1 0 1 1 0 8 0 ucredpl 96 91 0 79 1 0 1 1 0 8 0 zombiepl 144 28288 0 28284 1 0 1 1 0 8 0 processpl 1064 28323 0 28284 4 0 4 4 0 8 0 procpl 672 63411 0 63362 29 23 6 7 0 8 0 sockpl 480 15502 0 15477 129 125 4 20 0 8 0 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 19 0 0 3 1 2 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 20 0 0 2 0 2 2 0 8 0 mcl8k 8192 33 0 0 4 1 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 266 0 0 9 1 8 9 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1391 0 0 28 2 26 26 0 8 0 bufpl 288 36416 0 27885 610 0 610 610 0 8 0 anonpl 24 7660460 0 7648622 571 425 146 221 0 186 35 amapchunkpl 152 833745 0 833006 408 348 60 89 0 158 15 amappl16 200 54257 0 54110 15 4 11 11 0 8 0 amappl15 192 3640 0 3635 1 0 1 1 0 8 0 amappl14 184 7051 0 7048 1 0 1 1 0 8 0 amappl13 176 7082 0 7079 1 0 1 1 0 8 0 amappl12 168 3482 0 3482 2 2 0 1 0 8 0 amappl11 160 91 0 75 1 0 1 1 0 8 0 amappl10 152 6994 0 6987 1 0 1 1 0 8 0 amappl9 144 3867 0 3863 1 0 1 1 0 8 0 amappl8 136 1240 0 1188 3 0 3 3 0 8 0 amappl7 128 316 0 303 1 0 1 1 0 8 0 amappl6 120 3765 0 3740 2 1 1 2 0 8 0 amappl5 112 24655 0 24641 1 0 1 1 0 8 0 amappl4 104 5083 0 5055 2 1 1 2 0 8 0 amappl3 96 7753 0 7740 1 0 1 1 0 8 0 amappl2 88 11613 0 11567 3 1 2 3 0 8 0 amappl1 80 475924 0 475431 24 10 14 19 0 8 0 amappl 88 333987 0 333830 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 28309 0 28288 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 28309 0 28288 1 0 1 1 0 8 0 vmmpekpl 168 161759 0 161722 3 0 3 3 0 8 0 vmmpepl 168 2393907 0 2392333 306 199 107 117 0 357 9 vmsppl 368 28308 0 28287 6 3 3 4 0 8 0 rwobjpl 56 539123 0 531472 116 6 110 110 0 8 0 pdppl 4096 56625 0 56574 929 864 65 79 0 8 14 pvpl 32 13126959 0 13107432 984 631 353 527 0 265 113 pmappl 248 28308 0 28287 9 7 2 3 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1945 0 999 28 0 28 28 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(ffffffff825760e9) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e7fe0,ffffffff82561124,4fb,ffffffff82597645) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd800682f340) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1275 uvm_fault_unwire_locked(fffffd806a80b180,d17a6f94000,d17a7193000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd806a80b180,fffffd806a838af0,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a80b180) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd806a80b180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f97a0) at reaper+0x18b sys/kern/kern_exit.c:462 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(ffffffff82a3dc20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a3dc20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a3dc20,1) 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(ffff80002af324f0,1) at sleep_finish+0x1b2 sys/kern/kern_synch.c:433 tsleep(fffffd805fc11030,11,ffffffff825eaa01,0) at tsleep+0x12c sys/kern/kern_synch.c:158 biowait(fffffd805fc11030) at biowait+0x91 sys/kern/vfs_bio.c:1271 bwrite(fffffd805fc11030) at bwrite+0x21b sys/kern/vfs_bio.c:772 VOP_BWRITE(fffffd805fc11030) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656 ufs_direnter(fffffd8069c87a08,fffffd807bae6bd0,ffff80002af32720,ffff80002af32a50,fffffd805fc11270) at ufs_direnter+0x8fa sys/ufs/ufs/ufs_lookup.c:909 ufs_mkdir(ffff80002af328c0) at ufs_mkdir+0x708 sys/ufs/ufs/ufs_vnops.c:1251 VOP_MKDIR(fffffd8069c87a08,ffff80002af32a20,ffff80002af32a50,ffff80002af32950) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 end trace frame: 0xffff80002af32af0, 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(ffffffff82a3dc20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a3dc20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82a3dc20,1) 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(ffff80002af324f0,1) at sleep_finish+0x1b2 sys/kern/kern_synch.c:433 tsleep(fffffd805fc11030,11,ffffffff825eaa01,0) at tsleep+0x12c sys/kern/kern_synch.c:158 biowait(fffffd805fc11030) at biowait+0x91 sys/kern/vfs_bio.c:1271 bwrite(fffffd805fc11030) at bwrite+0x21b sys/kern/vfs_bio.c:772 VOP_BWRITE(fffffd805fc11030) at VOP_BWRITE+0x4a sys/kern/vfs_vops.c:656 ufs_direnter(fffffd8069c87a08,fffffd807bae6bd0,ffff80002af32720,ffff80002af32a50,fffffd805fc11270) at ufs_direnter+0x8fa sys/ufs/ufs/ufs_lookup.c:909 ufs_mkdir(ffff80002af328c0) at ufs_mkdir+0x708 sys/ufs/ufs/ufs_vnops.c:1251 VOP_MKDIR(fffffd8069c87a08,ffff80002af32a20,ffff80002af32a50,ffff80002af32950) at VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 domkdirat(ffff8000211802a0,ffffff9c,7f7ffffe3f20,1c0) at domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 syscall(ffff80002af32bd0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002af32bd0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe3ee0, count: -17