panic: kernel diagnostic assertion "pg->wire_count == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1326 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 347238 26070 60929 0x10 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b2750) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ef9fe,ffffffff833e5731,52e,ffffffff83406f81) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80083eb148) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvm_pageclean(fffffd80083eb148) at uvm_pageclean+0x2ad sys/uvm/uvm_page.c:981 uvm_pagefree(fffffd80083eb148) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvm_anfree(fffffd80659821b0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffffd805c11eac0,fffffd805c11eaf0,0,4) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_pp_adjref(fffffd805c11eac0,0,4,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffffd805c11eac0,0,4,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1298 uvm_unmap_detach(ffff8000377e85a0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd806f7cd008) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 exit1(ffff8000fffe6560,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffe6560,ffff8000377e8770,ffff8000377e86c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff8000377e8760, count: 0 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 "pg->wire_count == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1326 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b2750) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ef9fe,ffffffff833e5731,52e,ffffffff83406f81) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80083eb148) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvm_pageclean(fffffd80083eb148) at uvm_pageclean+0x2ad sys/uvm/uvm_page.c:981 uvm_pagefree(fffffd80083eb148) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvm_anfree(fffffd80659821b0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffffd805c11eac0,fffffd805c11eaf0,0,4) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_pp_adjref(fffffd805c11eac0,0,4,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffffd805c11eac0,0,4,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1298 uvm_unmap_detach(ffff8000377e85a0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd806f7cd008) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 exit1(ffff8000fffe6560,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffe6560,ffff8000377e8770,ffff8000377e86c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000377e8770) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000377e8770) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724cd0b30100, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000377e8190 rbx 0xffffffff837c6e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000fffe6560 rax 0xffffffff837c5ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8c67a569763d2e07 r11 0x546c895e48a17fc r12 0xffffffff837c6c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff81f801e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000377e8180 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=287763 pid=1359 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=86, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffe6560 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffe6d28,0xffff80002a260a88 process=0xffff8000fffef038 user=0xffff8000377e3000, vmspace=0xfffffd806f7cd008 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75199 475874 35925 0 2 0 syz-executor 26070 347238 87932 60929 7 0x10 syz-executor 26070 386019 87932 60929 3 0x4000090 fsleep syz-executor 26070 20553 87932 60929 2 0x4000010 syz-executor 26070 316470 87932 60929 2 0x4000010 syz-executor 67478 427892 99338 0 2 0 syz-executor 67478 519664 99338 0 3 0x4000080 fsleep syz-executor 67478 237035 99338 0 3 0x4000080 fsleep syz-executor 34768 267023 67927 0 4 0x82000 syz-executor 34768 168078 67927 0 4 0x4082000 syz-executor 34768 419266 67927 0 2 0x4002000 syz-executor 78899 310490 0 0 3 0x14200 acct acct 31937 462284 93173 0 3 0x82 nanoslp syz-executor 12299 446698 93173 0 2 0x2 syz-executor 67927 105258 93173 0 3 0x82 nanoslp syz-executor 8302 446076 93173 0 2 0x10000003 syz-executor 87932 226351 93173 0 3 0x82 nanoslp syz-executor 99338 13367 93173 0 2 0x2 syz-executor 35925 306131 93173 0 2 0x3 syz-executor 53428 440245 93173 0 2 0x2 syz-executor 93173 443264 29941 0 3 0x82 kqread syz-executor 29941 389973 55451 0 3 0x10008a sigsusp ksh 55451 226625 96746 0 3 0x98 kqread sshd-session 96746 335055 64407 0 3 0x92 kqread sshd-session 70629 227271 1 0 3 0x100083 ttyopn getty 64407 382750 1 0 3 0x88 kqread sshd 47746 441382 74294 74 3 0x1100092 bpf pflogd 74294 318319 1 0 3 0x80 sbwait pflogd 42234 61429 95480 73 3 0x1100090 kqread syslogd 95480 459905 1 0 3 0x100082 sbwait syslogd 34743 80781 1 0 3 0x100080 kqread resolvd 13434 40897 2075 77 3 0x100092 kqread dhcpleased 19325 269525 2075 77 3 0x100092 kqread dhcpleased 2075 310367 1 0 3 0x80 kqread dhcpleased 96081 250656 0 0 3 0x14200 bored smr 17935 453390 0 0 2 0x14200 zerothread 43075 371436 0 0 3 0x14200 aiodoned aiodoned 96499 250507 0 0 3 0x14200 syncer update 11246 54843 0 0 3 0x14200 cleaner cleaner 38019 5438 0 0 3 0x14200 reaper reaper 98702 403097 0 0 3 0x14200 pgdaemon pagedaemon 78786 67102 0 0 3 0x14200 bored viomb 71191 412788 0 0 3 0x40014200 acpi0 acpi0 94513 39579 0 0 3 0x40014200 idle1 39032 243403 0 0 3 0x14200 bored softnet1 73485 286116 0 0 3 0x14200 bored softnet0 26632 354296 0 0 3 0x14200 bored systqmp 61582 142586 0 0 3 0x14200 bored systq 98346 421739 0 0 3 0x14200 tmoslp softclockmp 12814 184196 0 0 3 0x40014200 tmoslp softclock 18190 462655 0 0 3 0x40014200 idle0 1 113547 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff838cfbc8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pageclean+0x29c sys/uvm/uvm_page.c:980 #3 uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 #4 uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 #5 amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1298 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 #10 exit1+0x6fc sys/kern/kern_exit.c:260 #11 sys_exit+0x1a sys/kern/kern_exit.c:-1 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 26070 (syz-executor) thread 0xffff80002a260fa8 (316470) exclusive rwlock vmmaplk r = 0 (0xfffffd800ca9f120) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 12299 (syz-executor) thread 0xffff80002a261770 (446698) exclusive rwlock vmmaplk r = 0 (0xfffffd800ca9fe78) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5163 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806f7cd8a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5163 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 53428 (syz-executor) thread 0xffff8000ffffd9f8 (440245) exclusive rrwlock inode r = 0 (0xfffffd80673e2d98) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d85feb0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10191 11083K 11411K 166960K 12108 0 pcb 17 15K 16K 166960K 158 0 rtable 172 7K 7K 166960K 410 0 pf 29 16K 18K 166960K 80 0 ifaddr 32 5K 7K 166960K 66 0 ifgroup 43 2K 2K 166960K 92 0 sysctl 3 1K 9K 166960K 7 0 counters 64 36K 37K 166960K 118 0 ioctlops 0 0K 4K 166960K 1609 0 iov 0 0K 16K 166960K 19 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1339 84K 85K 166960K 1741 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 93K 166960K 557 0 sigio 0 0K 0K 166960K 13 0 proc 78 131K 164K 166960K 595 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 60 0 in_multi 66 4K 7K 166960K 125 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 421 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 231 167K 184K 166960K 7240 0 UVM aobj 86 7K 7K 166960K 88 0 pinsyscall 40 80K 104K 166960K 1686 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 34 0 NDP 9 0K 2K 166960K 41 0 temp 47 8672K 8742K 166960K 35090 0 kqueue 13 20K 30K 166960K 102 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 50 0 47 1 0 1 1 0 8 0 rtentry 176 126 0 56 6 1 5 6 0 8 0 unpcb 144 253 0 234 5 1 4 4 0 8 3 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpcb 736 268 0 264 13 4 9 13 0 8 8 arp 136 21 0 7 1 0 1 1 0 8 0 inpcb 328 839 0 832 20 11 9 12 0 8 8 nd6 152 25 0 10 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 20 0 20 2 1 1 1 0 8 1 pppxif 1504 3 0 3 1 1 0 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 2 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 44 0 15 1 0 1 1 0 8 0 pfstkey 128 46 0 17 2 0 2 2 0 8 0 pfstate 448 44 0 16 5 0 5 5 0 8 1 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 576 0 263 29 3 26 29 0 8 3 art_table 40 577 0 263 5 0 5 5 0 8 0 art_node 32 126 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 83 0 2 3 0 3 3 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2392 0 883 95 0 95 95 0 8 0 ffsino 296 2392 0 883 117 0 117 117 0 8 0 nchpl 144 3179 0 1478 64 0 64 64 0 8 0 rtmask 32 4 0 4 2 2 0 1 0 8 0 vnodes 216 2701 0 0 151 0 151 151 0 8 0 namei 1024 9900 0 9897 3 1 2 2 0 8 1 percpumem 16 74 0 27 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 848 2 0 0 1 0 1 1 0 8 0 kstatmem 264 52 0 32 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 12823 0 12823 10 7 3 8 1 8 3 plimitpl 152 85 0 68 1 0 1 1 0 8 0 sigapl 424 871 0 823 7 1 6 7 0 8 0 knotepl 120 572 0 0 18 0 18 18 0 8 0 kqueuepl 224 156 0 147 2 0 2 2 0 8 1 pipepl 344 166 0 139 4 1 3 4 0 8 0 fdescpl 528 850 0 821 3 0 3 3 0 8 0 filepl 160 4437 0 4224 19 4 15 15 0 8 5 lockfpl 104 200 0 196 1 0 1 1 0 8 0 lockfspl 48 77 0 74 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 458 0 442 1 0 1 1 0 8 0 zombiepl 144 1133 0 1131 1 0 1 1 0 8 0 processpl 1232 871 0 823 5 1 4 5 0 8 0 procpl 664 1705 0 1649 7 1 6 6 0 8 1 sosppl 176 3 0 3 2 1 1 1 0 8 1 sockpl 752 1152 0 1123 31 20 11 17 0 8 8 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 32 0 0 4 0 4 4 0 8 0 mtagpl 96 88 0 0 3 0 3 3 0 8 0 mbufpl 256 292 0 0 18 0 18 18 0 8 0 bufpl 280 4627 0 132 322 0 322 322 0 8 0 anonpl 32 9878 0 0 80 0 80 80 0 246 0 amapchunkpl 152 26475 0 25987 41 4 37 40 0 158 13 amappl16 200 2957 0 2905 22 8 14 18 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 423 0 422 1 0 1 1 0 8 0 amappl12 168 1209 0 1170 3 0 3 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 48 0 34 1 0 1 1 0 8 0 amappl9 144 249 0 248 2 1 1 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 80 0 79 1 0 1 1 0 8 0 amappl6 120 278 0 264 1 0 1 1 0 8 0 amappl5 112 81 0 70 1 0 1 1 0 8 0 amappl4 104 413 0 383 1 0 1 1 0 8 0 amappl3 96 4272 0 4182 5 1 4 4 0 8 0 amappl2 88 545 0 484 2 0 2 2 0 8 0 amappl1 80 11029 0 10448 15 1 14 14 0 8 0 amappl 88 6447 0 6295 5 0 5 5 0 92 0 uvmvnodes 80 116 0 0 3 0 3 3 0 8 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 128 254 0 254 2 2 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 87 0 2 2 0 2 2 0 8 0 uaddrrnd 24 850 0 821 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 850 0 821 1 0 1 1 0 8 0 vmmpekpl 168 8864 0 8823 3 0 3 3 0 8 0 vmmpepl 168 60903 0 59083 107 4 103 103 0 357 15 vmsppl 488 849 0 820 5 1 4 5 0 8 0 rwobjpl 80 19593 0 18459 32 1 31 31 0 8 1 pdppl 4096 1712 0 1642 113 39 74 86 0 8 4 pvpl 32 18679 0 0 153 2 151 151 0 265 0 pmappl 256 851 0 820 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 311 0 50 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b2750) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ef9fe,ffffffff833e5731,52e,ffffffff83406f81) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pagedequeue(fffffd80083eb148) at uvm_pagedequeue+0x2dd sys/uvm/uvm_page.c:1324 uvm_pageclean(fffffd80083eb148) at uvm_pageclean+0x2ad sys/uvm/uvm_page.c:981 uvm_pagefree(fffffd80083eb148) at uvm_pagefree+0x26 sys/uvm/uvm_page.c:1020 uvm_anfree(fffffd80659821b0) at uvm_anfree+0xe9 sys/uvm/uvm_anon.c:112 amap_wiperange_chunk(fffffd805c11eac0,fffffd805c11eaf0,0,4) at amap_wiperange_chunk+0x1a6 sys/uvm/uvm_amap.c:-1 amap_pp_adjref(fffffd805c11eac0,0,4,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffffd805c11eac0,0,4,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1298 uvm_unmap_detach(ffff8000377e85a0,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 uvm_map_teardown(fffffd806f7cd008) at uvm_map_teardown+0x360 sys/uvm/uvm_map.c:2525 exit1(ffff8000fffe6560,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffe6560,ffff8000377e8770,ffff8000377e86c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000377e8770) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000377e8770) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x724cd0b30100, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x769a0d97fef0, count: 12 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 end of kernel end trace frame: 0x769a0d97fef0, count: -3