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 *361660 47719 0 0x14000 0x200 0K reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825a997b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261d392,ffffffff82598864,4f5,ffffffff825cf40a) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd8006cf9640) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd8070fedd00,5c8be77a000,5c8be979000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1682 uvm_unmap_kill_entry_withlock(fffffd8070fedd00,fffffd805c90a260,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2546 uvmspace_free(fffffd8070fedd00) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 reaper(ffff800021233a48) at reaper+0x19a sys/kern/kern_exit.c:448 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(ffffffff825a997b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261d392,ffffffff82598864,4f5,ffffffff825cf40a) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd8006cf9640) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd8070fedd00,5c8be77a000,5c8be979000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1682 uvm_unmap_kill_entry_withlock(fffffd8070fedd00,fffffd805c90a260,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2546 uvmspace_free(fffffd8070fedd00) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 reaper(ffff800021233a48) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021239480 rbx 0xffffffff82953b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff800021233a48 r8 0x101010101010101 r9 0x8080808080808080 r10 0x21a8ef30afd8e20b r11 0xc6419a1cdeb96f70 r12 0xffffffff82953990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff8164d448 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021239470 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=361660 stat=onproc flags process=14000 proc=200 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021233ce8,0xffff8000212337b8 process=0xffff8000ffffedb8 user=0xffff800021234000, vmspace=0xffffffff82a62448 estcpu=36, cpticks=95, pctcpu=5.80 user=0, sys=4, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73119 182199 46580 0 3 0x82 wait syz-executor.4 46186 217857 46580 0 3 0x82 wait syz-executor.7 69471 112319 46580 0 3 0x82 wait syz-executor.5 68094 279702 0 0 3 0x14200 acct acct 86697 484619 46580 0 3 0x82 wait syz-executor.2 12191 338497 46580 0 3 0x82 wait syz-executor.1 86140 362393 46580 0 3 0x82 wait syz-executor.3 68056 87010 46580 0 3 0x82 wait syz-executor.0 17632 349272 1 0 3 0x100083 ttyin getty 1058 474656 0 0 3 0x14200 bored sosplice 46580 457754 67395 0 3 0x82 thrsleep syz-fuzzer 46580 297354 67395 0 2 0x4000482 syz-fuzzer 46580 458277 67395 0 3 0x4000082 wait syz-fuzzer 46580 212706 67395 0 3 0x4000082 thrsleep syz-fuzzer 46580 12652 67395 0 3 0x4000082 wait syz-fuzzer 46580 107920 67395 0 3 0x4000082 thrsleep syz-fuzzer 46580 402498 67395 0 3 0x4000082 wait syz-fuzzer 46580 389658 67395 0 3 0x4000082 wait syz-fuzzer 46580 9709 67395 0 3 0x4000082 thrsleep syz-fuzzer 46580 363596 67395 0 3 0x4000082 kqread syz-fuzzer 46580 54357 67395 0 3 0x4000082 thrsleep syz-fuzzer 46580 33572 67395 0 3 0x4000082 wait syz-fuzzer 46580 234615 67395 0 3 0x4000082 wait syz-fuzzer 46580 161685 67395 0 2 0x4000002 syz-fuzzer 46580 39142 67395 0 3 0x4000082 thrsleep syz-fuzzer 46580 75556 67395 0 3 0x4000082 wait syz-fuzzer 67395 271502 68528 0 3 0x10008a sigsusp ksh 68528 280255 75467 0 3 0x9a kqread sshd 75467 423784 1 0 3 0x88 kqread sshd 61972 266020 62965 74 3 0x1100092 bpf pflogd 62965 1712 1 0 3 0x80 netio pflogd 85874 288535 54106 73 2 0x1100010 syslogd 54106 295955 1 0 3 0x100082 netio syslogd 77102 141109 1 0 3 0x100080 kqread resolvd 33453 23101 87824 77 3 0x100092 kqread dhcpleased 56595 399354 87824 77 3 0x100092 kqread dhcpleased 87824 172891 1 0 3 0x80 kqread dhcpleased 94407 150695 0 0 3 0x14200 bored smr 87872 111052 0 0 2 0x14200 zerothread 66182 239285 0 0 3 0x14200 aiodoned aiodoned 26546 203683 0 0 3 0x14200 syncer update 16347 497027 0 0 3 0x14200 cleaner cleaner *47719 361660 0 0 7 0x14200 reaper 9202 331659 0 0 3 0x14200 pgdaemon pagedaemon 54024 7738 0 0 3 0x14200 bored viomb 18703 440750 0 0 3 0x40014200 acpi0 acpi0 88713 316192 0 0 7 0x40014200 idle1 34299 401925 0 0 3 0x14200 bored softnet 93911 133499 0 0 3 0x14200 bored softnet 42123 435 0 0 3 0x14200 bored softnet 26501 397472 0 0 3 0x14200 bored softnet 18555 204057 0 0 3 0x14200 bored systqmp 70335 348711 0 0 3 0x14200 bored systq 73213 513404 0 0 3 0x40014200 bored softclock 98325 500606 0 0 3 0x40014200 idle0 1 189275 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 (0xffffffff829f8630) #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:1681 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 #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:2546 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 #7 reaper+0x19a sys/kern/kern_exit.c:448 #8 proc_trampoline+0x1c Process 46580 (syz-fuzzer) thread 0xffff8000212f7cf0 (161685) exclusive rrwlock inode r = 0 (0xfffffd8076e19b48) #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 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f48aa28) #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:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #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 85874 (syslogd) thread 0xffff8000ffff7cf0 (288535) exclusive rrwlock inode r = 0 (0xfffffd806e7831b0) #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:564 #5 sys_fsync+0xf5 sys/kern/vfs_syscalls.c:2935 #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 47719 (reaper) thread 0xffff800021233a48 (361660) exclusive rwlock uobjlk r = 0 (0xfffffd807921d088) #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:1669 #3 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 #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:2546 #5 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 #6 reaper+0x19a sys/kern/kern_exit.c:448 #7 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a617d0) #0 witness_lock+0x44d #1 uvm_unmap_kill_entry_withlock+0x4c sys/uvm/uvm_map.c:1895 #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:2546 #3 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 #4 reaper+0x19a sys/kern/kern_exit.c:448 #5 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff829f8630) #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:1681 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 #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:2546 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 #7 reaper+0x19a sys/kern/kern_exit.c:448 #8 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 6495K 7801K 78643K 76513 0 pcb 13 22K 24K 78643K 1660 0 rtable 189 12K 13K 78643K 3427 0 ifaddr 167 40K 41K 78643K 1235 0 sysctl 3 1K 3K 78643K 9 0 counters 52 35K 36K 78643K 776 0 ioctlops 0 0K 4K 78643K 8382 0 iov 0 0K 24K 78643K 1870 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1622 101K 102K 78643K 16821 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 83 0 VM map 2 1K 1K 78643K 2 0 sem 12 5K 6K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 9 29K 83K 78643K 13300 0 sigio 0 0K 0K 78643K 487 0 proc 75 91K 128K 78643K 2775 0 subproc 91 5K 6K 78643K 897 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 464 0 in_multi 73 4K 6K 78643K 1104 0 ether_multi 1 0K 0K 78643K 63 0 mrt 1 0K 0K 78643K 7 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 3552 0 pfkey data 0 0K 0K 78643K 39 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 64K 78643K 10 0 UVM amap 573 939K 939K 78643K 74600 0 UVM aobj 131 4K 4K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 454 0 NDP 13 0K 1K 78643K 366 0 temp 133 4734K 70270K 78643K 151946 0 kqueue 12 18K 28K 78643K 1345 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 1275 0 1272 18 17 1 3 0 8 0 rtentry 112 1013 0 936 4 0 4 4 0 8 0 unpcb 144 8792 0 8777 114 113 1 13 0 8 0 syncache 296 42 0 42 12 12 0 1 0 8 0 tcpqe 32 153 37 153 1 1 0 1 0 8 0 tcpcb 768 3202 0 3194 134 132 2 15 0 8 1 arp 120 159 0 145 1 0 1 1 0 8 0 inpcb 368 12230 0 12219 201 194 7 22 0 8 5 nd6 48 232 0 216 1 0 1 1 0 8 0 pkpcb 40 50 0 50 4 4 0 1 0 8 0 kcovpl 48 69 0 62 1 0 1 1 0 8 0 ppxss 1256 238 0 238 23 23 0 1 0 8 0 pppxif 1704 123 0 123 10 10 0 1 0 8 0 pfstscr 40 5 0 2 1 0 1 1 0 8 0 pffrag 232 151 0 148 4 3 1 1 0 482 0 pffrnode 88 151 0 148 4 3 1 1 0 8 0 pffrent 40 911 0 908 4 3 1 1 0 8 0 pfosfp 40 1430 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1430 0 715 21 0 21 21 0 8 0 pfrktable 1344 20 0 20 1 1 0 1 0 8 0 pfanchor 1280 278 0 34 21 0 21 21 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 87 0 79 1 0 1 1 0 8 0 pfstkey 120 91 0 87 2 1 1 2 0 8 0 pfstate 336 86 0 81 4 2 2 4 0 8 0 pfrule 1360 114 0 102 2 1 1 2 0 8 0 art_heap8 4096 6 0 5 4 3 1 3 0 8 0 art_heap4 256 4635 0 4288 57 32 25 30 0 8 2 art_table 32 4641 0 4293 4 0 4 4 0 8 1 art_node 16 1003 0 935 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 17847 0 16368 93 0 93 93 0 8 0 ffsino 272 17847 0 16368 99 0 99 99 0 8 0 nchpl 144 34812 0 34275 63 39 24 63 0 8 0 rtmask 32 10 0 10 4 4 0 1 0 8 0 uvmvnodes 80 5927 0 0 121 0 121 121 0 8 0 vnodes 216 5927 0 0 330 0 330 330 0 8 0 namei 1024 141290 0 141289 6 5 1 2 0 8 0 percpumem 16 400 0 362 1 0 1 1 0 8 0 vcpupl 2048 61 0 0 8 0 8 8 0 8 0 vmpool 568 108 0 47 6 1 5 5 0 8 0 pfiaddrpl 120 6 0 6 1 1 0 1 0 8 0 kstatmem 264 414 0 388 12 10 2 3 0 8 0 scsiplug 72 16 0 16 4 4 0 1 0 8 0 scxspl 216 104994 0 104994 20 19 1 8 0 8 1 plimitpl 152 1697 0 1680 1 0 1 1 0 8 0 sigapl 424 13538 0 13489 10 3 7 8 0 8 0 futexpl 64 131022 0 131022 4 3 1 1 0 8 1 knotepl 120 869 0 0 13 0 13 13 0 8 0 kqueuepl 216 3167 0 3159 58 57 1 8 0 8 0 pipepl 320 3928 0 3903 97 91 6 8 0 8 3 fdescpl 496 13477 0 13455 5 1 4 5 0 8 0 filepl 152 101915 0 101697 171 154 17 24 0 8 6 lockfpl 104 4139 0 4137 5 4 1 2 0 8 0 lockfspl 48 1258 0 1256 1 0 1 1 0 8 0 sessionpl 144 87 0 70 1 0 1 1 0 8 0 pgrppl 48 323 0 306 1 0 1 1 0 8 0 ucredpl 104 8719 0 8707 1 0 1 1 0 8 0 zombiepl 144 13497 0 13489 1 0 1 1 0 8 0 processpl 1064 13538 0 13489 5 0 5 5 0 8 0 procpl 672 33988 0 33917 19 10 9 10 0 8 0 srpgc 96 86 0 86 23 23 0 1 0 8 0 sosppl 168 79 0 79 19 19 0 1 0 8 0 sockpl 488 22403 0 22374 475 463 12 44 0 8 6 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 533 0 0 54 17 37 54 0 8 0 mtagpl 96 856 0 0 15 0 15 15 0 8 0 mbufpl 256 7320 0 0 421 0 421 421 0 8 0 bufpl 288 24394 0 17837 469 0 469 469 0 8 0 anonpl 24 2543899 0 2503325 382 137 245 245 0 186 0 amapchunkpl 152 224298 0 221983 171 81 90 90 0 158 0 amappl16 200 33622 0 33023 137 104 33 45 0 8 0 amappl15 192 2357 0 2347 2 1 1 2 0 8 0 amappl14 184 2211 0 2201 2 1 1 1 0 8 0 amappl13 176 1428 0 1422 1 0 1 1 0 8 0 amappl12 168 1909 0 1900 2 1 1 1 0 8 0 amappl11 160 1601 0 1585 1 0 1 1 0 8 0 amappl10 152 868 0 862 1 0 1 1 0 8 0 amappl9 144 2662 0 2652 2 1 1 1 0 8 0 amappl8 136 3813 0 3646 6 0 6 6 0 8 0 amappl7 128 2259 0 2229 1 0 1 1 0 8 0 amappl6 120 2395 0 2365 3 2 1 2 0 8 0 amappl5 112 10545 0 10528 1 0 1 1 0 8 0 amappl4 104 4474 0 4439 8 6 2 2 0 8 0 amappl3 96 40812 0 40739 2 0 2 2 0 8 0 amappl2 88 16050 0 15971 3 1 2 3 0 8 0 amappl1 80 316606 0 315779 24 6 18 23 0 8 0 amappl 88 72798 0 72513 9 2 7 7 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 13586 0 13496 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 13586 0 13496 1 0 1 1 0 8 0 vmmpekpl 168 102398 0 102324 4 0 4 4 0 8 0 vmmpepl 168 1319054 0 1315820 345 191 154 170 0 357 1 vmsppl 368 13585 0 13495 10 1 9 9 0 8 0 rwobjpl 56 313670 0 305570 130 15 115 117 0 8 0 pdppl 4096 27179 0 27051 790 661 129 131 0 8 1 pvpl 32 5254086 0 5206274 739 340 399 399 0 265 10 pmappl 248 13585 0 13495 6 0 6 6 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2256 0 941 38 0 38 38 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(ffffffff825a997b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff8261d392,ffffffff82598864,4f5,ffffffff825cf40a) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd8006cf9640) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd8070fedd00,5c8be77a000,5c8be979000) at uvm_fault_unwire_locked+0x226 sys/uvm/uvm_fault.c:1682 uvm_unmap_kill_entry_withlock(fffffd8070fedd00,fffffd805c90a260,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8070fedd00) at uvm_map_teardown+0x197 sys/uvm/uvm_map.c:2546 uvmspace_free(fffffd8070fedd00) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3464 reaper(ffff800021233a48) at reaper+0x19a sys/kern/kern_exit.c:448 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:175 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:175 end trace frame: 0x0, count: -5