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 *417603 23106 0 0x14000 0x200 0K reaper 325462 82698 0 0x14000 0x200 1 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8274b55b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827caece,ffffffff82739534,4f5,ffffffff827730c0) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd800801e1c0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd807197b188,8f4022f7000,8f4024f6000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683 uvm_unmap_kill_entry_withlock(fffffd807197b188,fffffd8069de6a28,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 uvmspace_free(fffffd807197b188) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 reaper(ffff8000211bcda0) 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(ffffffff8274b55b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827caece,ffffffff82739534,4f5,ffffffff827730c0) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd800801e1c0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd807197b188,8f4022f7000,8f4024f6000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683 uvm_unmap_kill_entry_withlock(fffffd807197b188,fffffd8069de6a28,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 uvmspace_free(fffffd807197b188) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 reaper(ffff8000211bcda0) at reaper+0x19a sys/kern/kern_exit.c:448 end trace frame: 0x0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211c91d0 rbx 0xffffffff82bdeb8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff8000211bcda0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7303f3ef471a1d56 r11 0x30a1dffc4b65cf6d r12 0xffffffff82bde990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff810ea3c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211c91c0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) pid=417603 stat=onproc flags process=14000 proc=200 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000211bd058,0xffff8000211bc840 process=0xffff8000fffff240 user=0xffff8000211c4000, vmspace=0xffffffff82ca3488 estcpu=36, cpticks=38, pctcpu=20.99 user=0, sys=3, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99210 495426 22732 0 3 0x10008a sigsusp sh 13034 29957 7417 0 3 0x10008a sigsusp sh 22732 368514 69439 0 3 0x82 wait syz-executor.0 7417 313803 69439 0 3 0x82 wait syz-executor.5 640 472733 69439 0 3 0x82 wait syz-executor.3 2062 106569 69439 0 3 0x82 wait syz-executor.7 80215 5647 69439 0 3 0x82 wait syz-executor.6 51474 294716 69439 0 3 0x2 biowait syz-executor.4 6633 366345 69439 0 3 0x82 wait syz-executor.2 52025 501767 69439 0 3 0x82 wait syz-executor.1 69439 318348 52286 0 2 0x82 syz-fuzzer 69439 142823 52286 0 3 0x4000082 nanoslp syz-fuzzer 69439 142791 52286 0 3 0x4000082 thrsleep syz-fuzzer 69439 313642 52286 0 3 0x4000082 thrsleep syz-fuzzer 69439 180734 52286 0 3 0x4000082 wait syz-fuzzer 69439 180664 52286 0 3 0x4000082 thrsleep syz-fuzzer 69439 363313 52286 0 3 0x4000082 wait syz-fuzzer 69439 208105 52286 0 3 0x4000082 wait syz-fuzzer 69439 519444 52286 0 3 0x4000082 thrsleep syz-fuzzer 69439 165207 52286 0 3 0x4000082 wait syz-fuzzer 69439 217307 52286 0 3 0x4000082 wait syz-fuzzer 69439 446453 52286 0 3 0x4000082 wait syz-fuzzer 69439 77996 52286 0 3 0x4000082 thrsleep syz-fuzzer 69439 224184 52286 0 3 0x4000082 wait syz-fuzzer 69439 512815 52286 0 3 0x4000082 kqread syz-fuzzer 69439 435957 52286 0 3 0x4000082 wait syz-fuzzer 52286 91523 73521 0 3 0x10008a sigsusp ksh 73521 71581 59134 0 3 0x9a kqread sshd 35034 5336 1 0 3 0x100083 ttyin getty 59134 87903 1 0 3 0x88 kqread sshd 64000 169097 32178 74 3 0x1100092 bpf pflogd 32178 230385 1 0 3 0x80 netio pflogd 57829 318681 97717 73 2 0x1100010 syslogd 97717 326111 1 0 3 0x100082 netio syslogd 60111 8535 1 0 3 0x100080 kqread resolvd 29492 28887 95426 77 3 0x100092 kqread dhcpleased 6856 503058 95426 77 3 0x100092 kqread dhcpleased 95426 272902 1 0 3 0x80 kqread dhcpleased 62224 64658 0 0 3 0x14200 bored smr 70367 389372 0 0 2 0x14200 zerothread 62804 327187 0 0 3 0x14200 aiodoned aiodoned 7050 153392 0 0 3 0x14200 syncer update 35108 337658 0 0 3 0x14200 cleaner cleaner *23106 417603 0 0 7 0x14200 reaper 38320 397933 0 0 3 0x14200 pgdaemon pagedaemon 94093 281178 0 0 3 0x14200 bored viomb 96807 405847 0 0 3 0x40014200 acpi0 acpi0 92843 32805 0 0 3 0x40014200 idle1 92715 228186 0 0 3 0x14200 bored softnet 12279 94828 0 0 3 0x14200 bored softnet 82698 325462 0 0 7 0x14200 softnet 61299 284562 0 0 3 0x14200 bored softnet 35278 324684 0 0 3 0x14200 bored systqmp 33446 158540 0 0 3 0x14200 bored systq 45783 507380 0 0 3 0x40014200 bored softclock 75660 171782 0 0 3 0x40014200 idle0 1 111799 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 (0xffffffff82dacca8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x22e sys/uvm/uvm_fault.c:1682 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 #5 uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #7 reaper+0x19a sys/kern/kern_exit.c:448 #8 proc_trampoline+0x1c Process 51474 (syz-executor.4) thread 0xffff8000212ab328 (294716) exclusive rrwlock inode r = 0 (0xfffffd8071844098) #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 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #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:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x4e9 mi_syscall sys/sys/syscall_mi.h:113 [inline] #13 syscall+0x4e9 sys/arch/amd64/amd64/trap.c:606 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a9054e0) #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:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #8 syscall+0x4e9 mi_syscall sys/sys/syscall_mi.h:113 [inline] #8 syscall+0x4e9 sys/arch/amd64/amd64/trap.c:606 #9 Xsyscall+0x128 Process 57829 (syslogd) thread 0xffff8000211bdb38 (318681) exclusive rrwlock inode r = 0 (0xfffffd806e6ab1b0) #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+0x4e9 mi_syscall sys/sys/syscall_mi.h:113 [inline] #6 syscall+0x4e9 sys/arch/amd64/amd64/trap.c:606 #7 Xsyscall+0x128 Process 23106 (reaper) thread 0xffff8000211bcda0 (417603) exclusive rwlock uobjlk r = 0 (0xfffffd806b79e278) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 uvm_fault_unwire_locked+0x1d6 sys/uvm/uvm_fault.c:1670 #3 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 #4 uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #4 uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 #5 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #6 reaper+0x19a sys/kern/kern_exit.c:448 #7 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82c7ad60) #0 witness_lock+0x44d #1 uvm_unmap_kill_entry_withlock+0x4c sys/uvm/uvm_map.c:1923 #2 uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #2 uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 #3 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #4 reaper+0x19a sys/kern/kern_exit.c:448 #5 proc_trampoline+0x1c exclusive rwlock vmmaplk r = 0 (0xfffffd807197b230) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5332 #3 uvm_map_teardown+0x81 sys/uvm/uvm_map.c:2546 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #5 reaper+0x19a sys/kern/kern_exit.c:448 #6 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82dacca8) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_fault_unwire_locked+0x22e sys/uvm/uvm_fault.c:1682 #4 uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 #5 uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #7 reaper+0x19a sys/kern/kern_exit.c:448 #8 proc_trampoline+0x1c Process 82698 (softnet) thread 0xffff800021178570 (325462) shared rwlock softnet r = 0 (0xffff80000002c170) #0 witness_lock+0x44d #1 taskq_thread+0xca sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10198 6483K 6929K 78643K 12066 0 pcb 13 8K 8K 78643K 109 0 rtable 83 10K 15K 78643K 501 0 ifaddr 46 19K 25K 78643K 147 0 sysctl 0 0K 1K 78643K 4 0 counters 50 34K 35K 78643K 78 0 ioctlops 0 0K 4K 78643K 1561 0 iov 0 0K 24K 78643K 117 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 1962 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 9 0K 0K 78643K 12 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 89K 78643K 1520 0 proc 70 91K 128K 78643K 578 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 124 0 in_multi 26 1K 6K 78643K 169 0 ether_multi 1 0K 0K 78643K 8 0 mrt 1 0K 0K 78643K 14 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 91 413K 413K 78643K 91 0 exec 0 0K 1K 78643K 531 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 285 88K 92K 78643K 10739 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 48 0 temp 113 5777K 5845K 78643K 27956 0 kqueue 12 18K 26K 78643K 125 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 120 104 0 101 1 0 1 1 0 8 0 rtentry 112 154 0 121 4 3 1 4 0 8 0 unpcb 144 941 0 926 3 2 1 2 0 8 0 syncache 296 30 0 30 2 2 0 1 0 8 0 tcpqe 32 47 0 47 2 2 0 1 0 8 0 tcpcb 776 254 0 250 3 2 1 3 0 8 0 arp 120 20 0 16 1 0 1 1 0 8 0 inpcb 368 589 0 582 5 4 1 4 0 8 0 nd6 48 35 0 32 2 1 1 1 0 8 0 kcovpl 48 11 0 3 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 pfanchor 1280 7 0 0 1 0 1 1 0 8 0 pfstitem 24 40 0 38 1 0 1 1 0 8 0 pfstkey 128 47 0 45 2 1 1 2 0 8 0 pfstate 384 47 0 45 4 3 1 4 0 8 0 pfrule 1344 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 256 728 0 584 29 20 9 29 0 8 0 art_table 32 729 0 584 5 3 2 4 0 8 0 art_node 16 153 0 123 1 0 1 1 0 8 0 semapl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3515 0 2073 91 0 91 91 0 8 0 ffsino 272 3515 0 2073 97 0 97 97 0 8 0 nchpl 144 5468 0 3818 63 0 63 63 0 8 0 uvmvnodes 80 4026 0 0 83 0 83 83 0 8 0 vnodes 216 4026 0 0 224 0 224 224 0 8 0 namei 1024 15683 0 15683 4 3 1 2 0 8 1 percpumem 16 52 0 14 1 0 1 1 0 8 0 kstatmem 264 44 0 28 2 0 2 2 0 8 0 scxspl 216 17648 0 17647 9 8 1 8 0 8 0 plimitpl 152 112 0 95 1 0 1 1 0 8 0 sigapl 424 1822 0 1772 8 2 6 7 0 8 0 futexpl 64 13760 0 13760 5 4 1 1 0 8 1 knotepl 120 367 0 0 11 1 10 11 0 8 0 kqueuepl 216 144 0 136 1 0 1 1 0 8 0 pipepl 320 286 0 258 3 0 3 3 0 8 0 fdescpl 496 1805 0 1780 5 0 5 5 0 8 0 filepl 152 7096 0 6858 12 2 10 12 0 8 0 lockfpl 104 148 0 146 1 0 1 1 0 8 0 lockfspl 48 55 0 53 1 0 1 1 0 8 0 sessionpl 144 27 0 9 1 0 1 1 0 8 0 pgrppl 48 27 0 9 1 0 1 1 0 8 0 ucredpl 104 1251 0 1239 1 0 1 1 0 8 0 zombiepl 144 1780 0 1772 1 0 1 1 0 8 0 processpl 1072 1822 0 1772 4 0 4 4 0 8 0 procpl 696 3410 0 3337 10 3 7 8 0 8 0 srpgc 96 16 0 16 1 1 0 1 0 8 0 sockpl 488 1672 0 1647 14 10 4 12 0 8 0 mcl64k 65536 18 0 0 3 1 2 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 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 250 0 0 30 1 29 30 0 8 0 mtagpl 96 78 0 0 2 0 2 2 0 8 0 mbufpl 256 438 0 0 27 0 27 27 0 8 0 bufpl 288 8683 0 2118 470 0 470 470 0 8 0 anonpl 24 434701 0 422493 177 30 147 160 0 186 42 amapchunkpl 152 31692 0 30874 72 20 52 65 0 158 7 amappl16 200 6879 0 6742 48 39 9 32 0 8 0 amappl15 192 28 0 26 1 0 1 1 0 8 0 amappl14 184 161 0 148 2 1 1 2 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 446 0 441 1 0 1 1 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 39 0 27 1 0 1 1 0 8 0 amappl9 144 954 0 953 2 1 1 1 0 8 0 amappl8 136 186 0 138 2 0 2 2 0 8 0 amappl7 128 147 0 122 2 0 2 2 0 8 0 amappl6 120 175 0 162 2 1 1 2 0 8 0 amappl5 112 200 0 189 1 0 1 1 0 8 0 amappl4 104 524 0 487 2 0 2 2 0 8 0 amappl3 96 4383 0 4316 3 0 3 3 0 8 0 amappl2 88 2236 0 2150 3 1 2 3 0 8 0 amappl1 80 40946 0 40122 24 5 19 23 0 8 0 amappl 88 10154 0 9984 5 0 5 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1805 0 1773 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1805 0 1773 1 0 1 1 0 8 0 vmmpekpl 168 15573 0 15513 3 0 3 3 0 8 0 vmmpepl 168 166351 0 163857 157 39 118 139 0 357 4 vmsppl 368 1804 0 1772 4 0 4 4 0 8 0 rwobjpl 56 49162 0 43738 79 0 79 79 0 8 0 pdppl 4096 3617 0 3544 122 49 73 81 0 8 0 pvpl 32 1094900 0 1080913 449 51 398 409 0 265 216 pmappl 248 1804 0 1772 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 894 0 80 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(ffffffff8274b55b) at panic+0x177 sys/kern/subr_prf.c:198 __assert(ffffffff827caece,ffffffff82739534,4f5,ffffffff827730c0) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pageunwire(fffffd800801e1c0) at uvm_pageunwire+0x16b sys/uvm/uvm_page.c:1269 uvm_fault_unwire_locked(fffffd807197b188,8f4022f7000,8f4024f6000) at uvm_fault_unwire_locked+0x236 sys/uvm/uvm_fault.c:1683 uvm_unmap_kill_entry_withlock(fffffd807197b188,fffffd8069de6a28,0) at uvm_unmap_kill_entry_withlock+0x67 sys/uvm/uvm_map.c:1925 uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd807197b188) at uvm_map_teardown+0x187 sys/uvm/uvm_map.c:2578 uvmspace_free(fffffd807197b188) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 reaper(ffff8000211bcda0) 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(ffff800020d68ff0) 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(ffffffff82c7ab58) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c7ab58) at __mp_lock+0x122 sys/kern/kern_lock.c:147 if_qstart_compat(ffff8000001a0550) at if_qstart_compat+0x1a sys/net/if.c:696 ifq_serialize(ffff8000001a0550,ffff8000001a0670) at ifq_serialize+0x16e sys/net/ifq.c:113 taskq_thread(ffff80000002c100) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: 8 ddb{1}> trace x86_ipi_db(ffff800020d68ff0) 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(ffffffff82c7ab58) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c7ab58) at __mp_lock+0x122 sys/kern/kern_lock.c:147 if_qstart_compat(ffff8000001a0550) at if_qstart_compat+0x1a sys/net/if.c:696 ifq_serialize(ffff8000001a0550,ffff8000001a0670) at ifq_serialize+0x16e sys/net/ifq.c:113 taskq_thread(ffff80000002c100) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -7