panic: kernel diagnostic assertion "uvm_page_owner_locked_p(pg)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1268 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *199184 26799 0 0x14000 0x200 0K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82455ae6) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824c5f0c,ffffffff824491e6,4f4,ffffffff8247cd07) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd8006a418c0) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1268 uvm_fault_unwire_locked(fffffd80616c5a28,acebdefe000,acebe0fd000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd80616c5a28,fffffd8067d36828,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd80616c5a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff800021149a40) 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 1268 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82455ae6) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824c5f0c,ffffffff824491e6,4f4,ffffffff8247cd07) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd8006a418c0) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1268 uvm_fault_unwire_locked(fffffd80616c5a28,acebdefe000,acebe0fd000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd80616c5a28,fffffd8067d36828,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd80616c5a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff800021149a40) at reaper+0x18b sys/kern/kern_exit.c:462 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021184db0 rbx 0xffffffff827dbbff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff800021149a40 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9f82961c6a7a171c r11 0xcbe74aeb06708055 r12 0xffffffff827dba00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff820ed2c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021184da0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=199184 stat=onproc flags process=14000 proc=200 pri=85, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021149260,0xffff800021149cf0 process=0xffff8000ffffc850 user=0xffff800021180000, vmspace=0xffffffff82898410 estcpu=36, cpticks=42, pctcpu=13.71 user=0, sys=333, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 76613 196360 44373 0 3 0x82 wait syz-executor.2 74813 95698 44373 0 3 0x82 wait syz-executor.1 19285 77268 0 0 3 0x14200 acct acct 84921 84424 44373 0 3 0x82 wait syz-executor.0 1722 507554 0 0 3 0x14280 nfsidl nfsio 88253 368863 0 0 3 0x14280 nfsidl nfsio 73916 9825 0 0 3 0x14280 nfsidl nfsio 48697 219950 0 0 3 0x14280 nfsidl nfsio 27420 140593 0 0 3 0x14280 nfsidl nfsio 25576 498486 0 0 3 0x14280 nfsidl nfsio 33461 388680 0 0 3 0x14280 nfsidl nfsio 68398 380889 0 0 3 0x14280 nfsidl nfsio 45560 390136 0 0 3 0x14280 nfsidl nfsio 90419 420031 0 0 3 0x14280 nfsidl nfsio 86230 360686 0 0 3 0x14280 nfsidl nfsio 16499 472560 0 0 3 0x14280 nfsidl nfsio 65046 405276 0 0 3 0x14280 nfsidl nfsio 66985 385764 0 0 3 0x14280 nfsidl nfsio 81137 350432 0 0 3 0x14280 nfsidl nfsio 24620 156572 0 0 3 0x14280 nfsidl nfsio 15232 194476 0 0 3 0x14280 nfsidl nfsio 39895 261565 0 0 3 0x14280 nfsidl nfsio 63549 357816 0 0 3 0x14280 nfsidl nfsio 31999 343098 0 0 3 0x14280 nfsidl nfsio 48855 290801 1 0 3 0x100083 ttyin getty 7565 43248 0 0 3 0x14200 bored sosplice 44373 31810 85774 0 3 0x82 thrsleep syz-fuzzer 44373 301430 85774 0 2 0x4000482 syz-fuzzer 44373 98293 85774 0 3 0x4000082 thrsleep syz-fuzzer 44373 152065 85774 0 3 0x4000082 thrsleep syz-fuzzer 44373 177825 85774 0 2 0x4000002 syz-fuzzer 44373 235093 85774 0 2 0x4000482 syz-fuzzer 44373 225073 85774 0 3 0x4000082 thrsleep syz-fuzzer 44373 104330 85774 0 3 0x4000082 thrsleep syz-fuzzer 44373 220364 85774 0 3 0x4000082 thrsleep syz-fuzzer 85774 216037 83616 0 3 0x10008a sigsusp ksh 83616 194850 35779 0 3 0x9a poll sshd 35779 234104 1 0 3 0x88 poll sshd 69721 254565 59612 74 2 0x100492 pflogd 59612 235003 1 0 3 0x80 netio pflogd 78426 7192 90329 73 2 0x100010 syslogd 90329 200508 1 0 3 0x100082 netio syslogd 25347 293719 1 0 3 0x100080 kqread resolvd 1251 5629 32575 77 3 0x100092 kqread dhcpleased 21379 320991 32575 77 3 0x100092 kqread dhcpleased 32575 30778 1 0 3 0x80 kqread dhcpleased 11012 471054 0 0 3 0x14200 bored smr 67742 55072 0 0 2 0x14200 zerothread 43702 209485 0 0 3 0x14200 aiodoned aiodoned 8279 316878 0 0 2 0x14600 update 18253 524036 0 0 3 0x14200 cleaner cleaner *26799 199184 0 0 7 0x14200 reaper 34795 450017 0 0 3 0x14200 pgdaemon pagedaemon 19100 375539 0 0 3 0x14200 bored viomb 54538 6250 0 0 3 0x40014200 acpi0 acpi0 65797 89095 0 0 7 0x40014200 idle1 58844 204896 0 0 2 0x14200 softnet 73112 127384 0 0 2 0x14200 systqmp 45943 310168 0 0 2 0x14200 systq 26193 428362 0 0 2 0x40014200 softclock 7541 140836 0 0 3 0x40014200 idle0 1 181996 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 (0xffffffff829ee668) #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 44373 (syz-fuzzer) thread 0xffff800021192a88 (177825) exclusive rrwlock inode r = 0 (0xfffffd8063197700) #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 (0xfffffd806f3bdf78) #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 78426 (syslogd) thread 0xffff8000ffff7a50 (7192) exclusive rrwlock inode r = 0 (0xfffffd806e79a2c0) #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 26799 (reaper) thread 0xffff800021149a40 (199184) exclusive rwlock uobjlk r = 0 (0xfffffd80628ae9b0) #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 (0xffffffff8293dc80) #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 (0xffffffff829ee668) #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 10208 6507K 7350K 78643K 38805 0 pcb 13 16K 18K 78643K 3139 0 rtable 180 29K 33K 78643K 8358 0 ifaddr 88 27K 32K 78643K 3321 0 sysctl 3 1K 1K 78643K 3 0 counters 46 34K 34K 78643K 540 0 ioctlops 0 0K 4K 78643K 11749 0 iov 0 0K 24K 78643K 1682 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1564 98K 98K 78643K 11449 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 210 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3673 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 49K 78643K 19991 0 sigio 0 0K 0K 78643K 1206 0 proc 71 87K 111K 78643K 3084 0 subproc 39 2K 4K 78643K 955 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2230 0 in_multi 27 1K 3K 78643K 1618 0 ether_multi 1 0K 0K 78643K 256 0 mrt 1 0K 0K 78643K 135 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 4424 0 pfkey data 0 0K 0K 78643K 13 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 666 1687K 1688K 78643K 252365 0 UVM aobj 131 8K 8K 78643K 133 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1149 0 NDP 10 0K 1K 78643K 453 0 temp 120 4230K 8326K 78643K 274582 0 kqueue 12 18K 26K 78643K 833 0 SYN cache 2 8K 16K 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 1143 0 1140 14 13 1 5 0 8 0 rtentry 112 1122 0 1084 2 0 2 2 0 8 0 unpcb 136 41258 0 41243 309 308 1 14 0 8 0 syncache 296 119 0 119 30 30 0 1 0 8 0 tcpqe 32 39 0 39 14 14 0 1 0 8 0 tcpcb 736 7073 0 7069 262 261 1 14 0 8 0 arp 120 162 0 155 1 0 1 1 0 8 0 inpcb 304 20201 0 20194 332 331 1 11 0 8 0 rttmr 72 36 0 36 10 10 0 1 0 8 0 ip6q 72 7 0 7 2 2 0 1 0 8 0 ip6af 40 21 0 21 2 2 0 1 0 8 0 nd6 48 285 0 281 1 0 1 1 0 8 0 pkpcb 40 78 0 78 12 12 0 1 0 8 0 kcovpl 48 73 0 70 1 0 1 1 0 8 0 ppxss 1248 60 0 60 19 19 0 1 0 8 0 pfstscr 40 43 0 43 11 11 0 1 0 8 0 pffrag 232 189 0 189 9 9 0 1 0 482 0 pffrnode 88 189 0 189 9 9 0 1 0 8 0 pffrent 40 2043 0 2043 13 13 0 1 0 8 0 pfosfp 40 1436 0 1435 6 5 1 5 0 8 0 pfosfpen 112 1436 0 1431 22 21 1 21 0 8 0 pfrktable 1344 2435 0 2402 20 17 3 4 0 8 0 pftag 88 192 0 190 15 14 1 1 0 8 0 pfqueue 264 8 0 8 2 2 0 1 0 8 0 pfstitem 24 52 0 50 1 0 1 1 0 8 0 pfstkey 112 117 0 115 1 0 1 1 0 8 0 pfstate 320 84 0 82 3 2 1 3 0 8 0 pfsrctr 152 42 0 42 3 3 0 1 0 8 0 pfrule 1360 1729 0 1622 11 2 9 9 0 8 0 art_heap8 4096 4 0 2 4 2 2 3 0 8 0 art_heap4 256 4934 0 4777 49 36 13 19 0 8 0 art_table 32 4938 0 4779 5 2 3 3 0 8 0 art_node 16 1120 0 1089 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 15 1 0 1 1 0 8 0 semapl 112 3671 0 3661 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 28066 0 26621 91 0 91 91 0 8 0 ffsino 272 28066 0 26621 99 2 97 97 0 8 0 nchpl 144 53334 0 51741 61 0 61 61 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 190519 0 190518 6 5 1 1 0 8 0 percpumem 16 282 0 247 1 0 1 1 0 8 0 vcpupl 2048 248 0 0 31 0 31 31 0 8 0 vmpool 560 368 0 120 20 2 18 18 0 8 0 pfiaddrpl 120 688 0 636 8 6 2 2 0 8 0 scsiplug 72 6 0 6 2 2 0 1 0 8 0 scxspl 216 181377 0 181377 35 34 1 8 0 8 1 plimitpl 152 2276 0 2265 1 0 1 1 0 8 0 sigapl 424 20073 0 20019 8 1 7 7 0 8 0 futexpl 64 185409 0 185409 9 8 1 1 0 8 1 knotepl 112 208 0 0 3 0 3 3 0 8 0 kqueuepl 216 3831 0 3818 100 99 1 5 0 8 0 pipepl 336 3612 0 3599 123 121 2 10 0 8 0 fdescpl 496 20009 0 19991 7 4 3 4 0 8 0 filepl 152 156753 0 156623 363 356 7 21 0 8 0 lockfpl 104 6262 0 6260 18 17 1 4 0 8 0 lockfspl 48 1526 0 1524 1 0 1 1 0 8 0 sessionpl 144 90 0 77 1 0 1 1 0 8 0 pgrppl 48 119 0 106 1 0 1 1 0 8 0 ucredpl 96 13902 0 13890 1 0 1 1 0 8 0 zombiepl 144 20019 0 20015 1 0 1 1 0 8 0 processpl 1064 20073 0 20015 7 3 4 5 0 8 0 procpl 672 57320 0 57250 46 40 6 8 0 8 0 srpgc 96 76 0 76 14 14 0 1 0 8 0 sosppl 168 162 0 162 34 34 0 1 0 8 0 sockpl 480 62713 0 62688 1573 1565 8 50 0 8 4 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 29 0 0 4 2 2 3 0 8 0 mcl12k 12288 36 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 4 1 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 313 0 0 20 3 17 20 0 8 0 mtagpl 96 1299 0 0 18 7 11 11 0 8 0 mbufpl 256 3037 0 0 183 0 183 183 0 8 0 bufpl 288 38919 0 32574 454 0 454 454 0 8 0 anonpl 24 5851988 0 5824596 530 347 183 183 0 186 10 amapchunkpl 152 630085 0 628909 215 168 47 47 0 158 0 amappl16 200 59309 0 58290 306 246 60 67 0 8 0 amappl15 192 2260 0 2254 3 2 1 1 0 8 0 amappl14 184 936 0 932 1 0 1 1 0 8 0 amappl13 176 1435 0 1434 1 0 1 1 0 8 0 amappl12 168 3956 0 3954 1 0 1 1 0 8 0 amappl11 160 3332 0 3316 1 0 1 1 0 8 0 amappl10 152 2904 0 2892 1 0 1 1 0 8 0 amappl9 144 2781 0 2778 1 0 1 1 0 8 0 amappl8 136 4893 0 4788 4 0 4 4 0 8 0 amappl7 128 3478 0 3462 1 0 1 1 0 8 0 amappl6 120 2867 0 2848 1 0 1 1 0 8 0 amappl5 112 16939 0 16913 1 0 1 1 0 8 0 amappl4 104 8130 0 8095 2 0 2 2 0 8 0 amappl3 96 6383 0 6363 1 0 1 1 0 8 0 amappl2 88 4788 0 4716 4 2 2 2 0 8 0 amappl1 80 364272 0 363755 18 7 11 13 0 8 0 amappl 88 250241 0 249888 12 3 9 9 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 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 20377 0 20108 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 20377 0 20108 2 0 2 2 0 8 0 vmmpekpl 168 140793 0 140726 4 0 4 4 0 8 0 vmmpepl 168 1860969 0 1857822 843 681 162 169 0 357 18 vmsppl 368 20376 0 20107 25 0 25 25 0 8 0 rwobjpl 56 450639 0 442454 167 50 117 119 0 8 0 pdppl 4096 40762 0 40462 434 133 301 302 0 8 1 pvpl 32 9899689 0 9874563 832 589 243 288 0 265 20 pmappl 248 20376 0 20107 18 1 17 17 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1812 0 570 36 0 36 36 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(ffffffff82455ae6) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824c5f0c,ffffffff824491e6,4f4,ffffffff8247cd07) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_pageunwire(fffffd8006a418c0) at uvm_pageunwire+0x19b sys/uvm/uvm_page.c:1268 uvm_fault_unwire_locked(fffffd80616c5a28,acebdefe000,acebe0fd000) at uvm_fault_unwire_locked+0x24b sys/uvm/uvm_fault.c:1654 uvm_unmap_kill_entry_withlock(fffffd80616c5a28,fffffd8067d36828,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:2136 uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd80616c5a28) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2771 uvmspace_free(fffffd80616c5a28) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff800021149a40) 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(ffff800020d38ff0) 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(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) 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(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5