panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1269 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *234539 51712 0 0x14000 0x200 0K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825a10c3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82617e10,ffffffff8259006c,4f5,ffffffff825c68b4) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80079432a0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd806a9efa20,cf8eda60000,cf8edc5f000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1681 uvm_unmap_kill_entry_withlock(fffffd806a9efa20,fffffd806a9e9348,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2762 uvmspace_free(fffffd806a9efa20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:454 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 1269 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825a10c3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82617e10,ffffffff8259006c,4f5,ffffffff825c68b4) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80079432a0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd806a9efa20,cf8eda60000,cf8edc5f000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1681 uvm_unmap_kill_entry_withlock(fffffd806a9efa20,fffffd806a9e9348,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2762 uvmspace_free(fffffd806a9efa20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:454 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000212395d0 rbx 0xffffffff829c3b97 cpu_info_full_primary+0x2b97 rdx 0 rcx 0 rax 0xffff800021232fc8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x10ce1dcda1cfd50b r11 0x36939226a738f0e4 r12 0xffffffff829c3998 cpu_info_full_primary+0x2998 r13 0 r14 0 r15 0x1 rip 0xffffffff816d9a68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000212395c0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=234539 stat=onproc flags process=14000 proc=200 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021233a48,0xffff800021232d38 process=0xffff8000ffffe568 user=0xffff800021234000, vmspace=0xffffffff82a95e20 estcpu=36, cpticks=68, pctcpu=20.9 user=0, sys=5, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90891 89475 35638 0 2 0x482 syz-executor.2 33462 298779 35638 0 2 0x482 syz-executor.7 27827 141695 35638 0 2 0x482 syz-executor.4 27337 427046 35638 0 2 0x482 syz-executor.3 4304 216146 35638 0 2 0x482 syz-executor.5 24880 31104 0 0 3 0x14200 bored sosplice 43295 362831 35638 0 2 0x482 syz-executor.1 52379 402792 35638 0 2 0x482 syz-executor.0 35638 297219 65156 0 3 0x82 wait syz-fuzzer 35638 288451 65156 0 2 0x4000482 syz-fuzzer 35638 471298 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 496774 65156 0 3 0x4000082 wait syz-fuzzer 35638 334789 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 246459 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 308235 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 127363 65156 0 3 0x4000082 wait syz-fuzzer 35638 129303 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 365860 65156 0 3 0x4000082 wait syz-fuzzer 35638 153430 65156 0 3 0x4000082 wait syz-fuzzer 35638 225199 65156 0 2 0x4000002 syz-fuzzer 35638 87071 65156 0 3 0x4000082 thrsleep syz-fuzzer 35638 275894 65156 0 3 0x4000082 kqread syz-fuzzer 35638 387647 65156 0 3 0x4000082 wait syz-fuzzer 35638 55347 65156 0 3 0x4000082 wait syz-fuzzer 65156 48240 7599 0 3 0x10008a sigsusp ksh 7599 406782 20889 0 3 0x9a kqread sshd 23461 488024 1 0 3 0x100083 ttyin getty 20889 40496 1 0 3 0x88 kqread sshd 48387 356678 3291 74 3 0x1100092 bpf pflogd 3291 284507 1 0 3 0x80 netio pflogd 12482 44657 27669 73 2 0x1100010 syslogd 27669 89548 1 0 3 0x100082 netio syslogd 86032 47900 1 0 3 0x100080 kqread resolvd 73175 48405 1566 77 3 0x100092 kqread dhcpleased 85382 262399 1566 77 3 0x100092 kqread dhcpleased 1566 388972 1 0 3 0x80 kqread dhcpleased 99152 382680 0 0 2 0x14200 smr 81143 23822 0 0 2 0x14200 zerothread 46927 348327 0 0 3 0x14200 aiodoned aiodoned 84038 83245 0 0 3 0x14200 syncer update 94107 201412 0 0 3 0x14200 cleaner cleaner *51712 234539 0 0 7 0x14200 reaper 46921 62984 0 0 3 0x14200 pgdaemon pagedaemon 88967 255052 0 0 3 0x14200 bored viomb 79762 247231 0 0 3 0x40014200 acpi0 acpi0 75027 510513 0 0 7 0x40014200 idle1 18567 167215 0 0 3 0x14200 bored softnet 29183 236185 0 0 3 0x14200 bored softnet 59216 439385 0 0 3 0x14200 bored softnet 99903 17604 0 0 3 0x14200 bored softnet 40758 27107 0 0 3 0x14200 bored systqmp 59295 146680 0 0 3 0x14200 bored systq 62593 346078 0 0 3 0x40014200 bored softclock 4572 335578 0 0 3 0x40014200 idle0 1 384264 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 (0xffffffff82a90a98) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x21e sys/uvm/uvm_fault.c:1680 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 #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:2762 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 #7 reaper+0x19a sys/kern/kern_exit.c:454 #8 proc_trampoline+0x1c Process 35638 (syz-fuzzer) thread 0xffff8000212e8010 (225199) exclusive rrwlock inode r = 0 (0xfffffd8073affc50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:567 #5 vget+0x1d3 sys/kern/vfs_subr.c:678 #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:1852 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068bfbb48) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:567 #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:1852 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 12482 (syslogd) thread 0xffff8000212797b0 (44657) exclusive rrwlock inode r = 0 (0xfffffd806e7db700) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:567 #5 sys_fsync+0xf5 sys/kern/vfs_syscalls.c:2939 #6 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #6 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #7 Xsyscall+0x128 Process 51712 (reaper) thread 0xffff800021232fc8 (234539) exclusive rwlock uobjlk r = 0 (0xfffffd806c339d70) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 uvm_fault_unwire_locked+0x1c6 sys/uvm/uvm_fault.c:1668 #3 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 #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:2762 #5 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 #6 reaper+0x19a sys/kern/kern_exit.c:454 #7 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a92748) #0 witness_lock+0x44d #1 uvm_unmap_kill_entry_withlock+0x4c sys/uvm/uvm_map.c:2125 #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:2762 #3 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 #4 reaper+0x19a sys/kern/kern_exit.c:454 #5 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82a90a98) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x21e sys/uvm/uvm_fault.c:1680 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 #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:2762 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 #7 reaper+0x19a sys/kern/kern_exit.c:454 #8 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 6670K 7766K 78643K 15626 0 pcb 13 8K 8K 78643K 260 0 rtable 208 17K 20K 78643K 917 0 ifaddr 81 18K 20K 78643K 528 0 sysctl 2 0K 0K 78643K 2 0 counters 52 35K 36K 78643K 176 0 ioctlops 0 0K 4K 78643K 1845 0 iov 0 0K 16K 78643K 227 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 3010 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 33 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 153 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 9 29K 85K 78643K 4900 0 sigio 0 0K 0K 78643K 40 0 proc 71 91K 127K 78643K 1026 0 subproc 91 5K 6K 78643K 208 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 285 0 in_multi 77 5K 6K 78643K 259 0 ether_multi 1 0K 0K 78643K 42 0 mrt 0 0K 0K 78643K 37 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 73 334K 334K 78643K 73 0 exec 0 0K 2K 78643K 1035 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 8 62K 62K 78643K 8 0 UVM amap 271 306K 326K 78643K 25508 0 UVM aobj 35 2K 2K 78643K 35 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 187 0 NDP 11 0K 2K 78643K 105 0 temp 125 4726K 70262K 78643K 63065 0 kqueue 12 18K 26K 78643K 370 0 SYN cache 2 16K 24K 78643K 3 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 120 138 0 135 1 0 1 1 0 8 0 rtentry 112 233 0 144 4 0 4 4 0 8 1 unpcb 144 1913 0 1898 6 5 1 3 0 8 0 syncache 296 85 0 85 4 4 0 1 0 8 0 tcpqe 32 29 0 29 4 3 1 1 0 8 1 tcpcb 736 831 0 827 12 11 1 5 0 8 0 arp 120 37 0 23 1 0 1 1 0 8 0 inpcb 320 1934 0 1927 8 7 1 4 0 8 0 nd6 48 49 0 31 1 0 1 1 0 8 0 pkpcb 40 12 0 12 1 1 0 1 0 8 0 kcovpl 48 16 0 9 1 0 1 1 0 8 0 ppxss 1256 31 0 31 2 2 0 1 0 8 0 pfstscr 40 39 0 39 7 6 1 1 0 8 1 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 9 0 9 1 1 0 1 0 8 0 pfosfp 40 1430 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 102 0 96 2 1 1 1 0 8 0 pfanchor 1280 535 2 23 45 2 43 43 0 8 0 pftag 88 4 0 3 1 0 1 1 0 8 0 pfstitem 24 28 0 26 1 0 1 1 0 8 0 pfstkey 120 84 0 82 1 0 1 1 0 8 0 pfstate 336 53 0 51 2 1 1 2 0 8 0 pfrule 1360 130 0 125 8 7 1 5 0 8 0 rttmr 136 10 0 10 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 860 0 487 30 3 27 29 0 8 1 art_table 32 861 0 487 4 0 4 4 0 8 0 art_node 16 226 0 146 1 0 1 1 0 8 0 semapl 112 151 0 141 1 0 1 1 0 8 0 shmpl 112 32 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7899 0 6443 92 0 92 92 0 8 0 ffsino 272 7899 0 6443 98 0 98 98 0 8 0 nchpl 144 13730 0 12095 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 35268 0 35268 6 5 1 2 0 8 1 percpumem 16 100 0 62 1 0 1 1 0 8 0 vcpupl 2048 14 0 0 2 0 2 2 0 8 0 vmpool 568 14 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 37 0 33 2 1 1 1 0 8 0 kstatmem 264 146 0 124 3 1 2 3 0 8 0 scsiplug 72 10 0 10 2 2 0 1 0 8 0 scxspl 216 43837 0 43837 11 10 1 8 0 8 1 plimitpl 152 169 0 153 1 0 1 1 0 8 0 sigapl 424 5195 0 5147 8 2 6 7 0 8 0 futexpl 64 29529 0 29529 5 4 1 1 0 8 1 knotepl 120 377 0 0 11 1 10 11 0 8 0 kqueuepl 216 559 0 551 1 0 1 1 0 8 0 pipepl 320 423 0 396 4 1 3 4 0 8 0 fdescpl 496 5177 0 5155 5 1 4 5 0 8 0 filepl 152 15738 0 15515 16 6 10 12 0 8 0 lockfpl 104 751 0 749 1 0 1 1 0 8 0 lockfspl 48 284 0 282 1 0 1 1 0 8 0 sessionpl 144 32 0 15 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 1942 0 1930 1 0 1 1 0 8 0 zombiepl 144 5155 0 5147 1 0 1 1 0 8 0 processpl 1064 5195 0 5147 4 0 4 4 0 8 0 procpl 672 10514 0 10443 10 3 7 8 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 42 0 42 5 5 0 1 0 8 0 sockpl 488 4031 0 4006 17 13 4 10 0 8 0 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 222 0 0 16 0 16 16 0 8 0 mtagpl 96 429 0 0 10 0 10 10 0 8 0 mbufpl 256 825 0 0 45 0 45 45 0 8 0 bufpl 288 15449 0 9120 453 0 453 453 0 8 0 anonpl 24 989613 0 966027 352 64 288 293 0 186 145 amapchunkpl 152 79858 0 78384 142 30 112 116 0 158 55 amappl16 200 13618 0 13432 48 37 11 34 0 8 0 amappl15 192 966 0 956 1 0 1 1 0 8 0 amappl14 184 358 0 352 1 0 1 1 0 8 0 amappl13 176 1190 0 1186 1 0 1 1 0 8 0 amappl12 168 183 0 178 1 0 1 1 0 8 0 amappl11 160 95 0 75 1 0 1 1 0 8 0 amappl10 152 580 0 572 1 0 1 1 0 8 0 amappl9 144 1055 0 1051 1 0 1 1 0 8 0 amappl8 136 2020 0 1937 3 0 3 3 0 8 0 amappl7 128 1373 0 1346 1 0 1 1 0 8 0 amappl6 120 833 0 817 2 1 1 2 0 8 0 amappl5 112 4597 0 4574 1 0 1 1 0 8 0 amappl4 104 1097 0 1066 2 0 2 2 0 8 0 amappl3 96 14158 0 14092 2 0 2 2 0 8 0 amappl2 88 1616 0 1578 2 1 1 2 0 8 0 amappl1 80 121805 0 121079 24 8 16 20 0 8 0 amappl 88 24738 0 24565 6 2 4 5 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 34 0 0 1 0 1 1 0 8 0 uaddrrnd 24 5191 0 5148 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5191 0 5148 1 0 1 1 0 8 0 vmmpekpl 168 32408 0 32349 3 0 3 3 0 8 0 vmmpepl 168 482290 0 479886 144 39 105 122 0 357 0 vmsppl 368 5190 0 5147 7 3 4 5 0 8 0 rwobjpl 56 115167 0 107906 113 8 105 108 0 8 0 pdppl 4096 10389 0 10308 196 115 81 83 0 8 0 pvpl 32 2252350 0 2228788 753 267 486 516 0 265 265 pmappl 248 5190 0 5147 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 982 0 149 24 0 24 24 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:437 panic(ffffffff825a10c3) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff82617e10,ffffffff8259006c,4f5,ffffffff825c68b4) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd80079432a0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd806a9efa20,cf8eda60000,cf8edc5f000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1681 uvm_unmap_kill_entry_withlock(fffffd806a9efa20,fffffd806a9e9348,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2127 uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd806a9efa20) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2762 uvmspace_free(fffffd806a9efa20) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3675 reaper(ffff800021232fc8) at reaper+0x19a sys/kern/kern_exit.c:454 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020dd8ff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) 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 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020dd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5