panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1207 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 308870 43625 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9927) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f836e,ffffffff834e69e0,4b7,ffffffff834488a0) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffa8004ce7248) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206 uvm_fault_unwire_locked(fffffa806eea25c8,aef6cbf1000,aef6cbf2000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffa806eea25c8,fffffa806ca796b0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80003a3b6fb8,0,0,1) at exit1+0x71b sys/kern/kern_exit.c:260 sys_exit(ffff80003a3b6fb8,ffff80003c3ef340,ffff80003c3ef290) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ef340) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef340) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x722b868e4870, count: 4 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1207 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9927) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f836e,ffffffff834e69e0,4b7,ffffffff834488a0) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffa8004ce7248) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206 uvm_fault_unwire_locked(fffffa806eea25c8,aef6cbf1000,aef6cbf2000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffa806eea25c8,fffffa806ca796b0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80003a3b6fb8,0,0,1) at exit1+0x71b sys/kern/kern_exit.c:260 sys_exit(ffff80003a3b6fb8,ffff80003c3ef340,ffff80003c3ef290) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ef340) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef340) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x722b868e4870, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c3eef60 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff80003a3b6fb8 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd957a3cb82a63884 r11 0xcdfc81dcd9199024 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82d3be15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3eef50 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=502688 pid=11435 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003a3b6fb8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c3e2a98,0xffff80003c3e22e0 process=0xffff80003c3f1838 user=0xffff80003c3ea000, vmspace=0xfffffa806eea25c8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43625 494236 95153 0 2 0 syz-executor 43625 126485 95153 0 3 0x4000080 fsleep syz-executor 43625 308870 95153 0 7 0x4000000 syz-executor 11791 330743 22509 0 2 0 syz-executor 11791 6392 22509 0 2 0x4000000 syz-executor 33469 386434 85838 0 2 0 syz-executor 33469 105729 85838 0 3 0x4000080 fsleep syz-executor 26756 412564 1 0 3 0x100083 ttyopn getty 70093 228733 0 0 3 0x14280 nfsidl nfsio 29688 488590 0 0 3 0x14280 nfsidl nfsio 54054 238115 0 0 3 0x14280 nfsidl nfsio 56676 494213 0 0 3 0x14280 nfsidl nfsio 29167 399435 0 0 3 0x14280 nfsidl nfsio 50504 260509 0 0 3 0x14280 nfsidl nfsio 22720 308528 0 0 3 0x14280 nfsidl nfsio 29286 485356 0 0 3 0x14280 nfsidl nfsio 87927 375311 0 0 3 0x14280 nfsidl nfsio 8921 55103 0 0 3 0x14280 nfsidl nfsio 6148 493466 0 0 3 0x14280 nfsidl nfsio 21235 456942 0 0 3 0x14280 nfsidl nfsio 95692 471723 0 0 3 0x14280 nfsidl nfsio 3790 318469 0 0 3 0x14280 nfsidl nfsio 96966 127764 0 0 3 0x14280 nfsidl nfsio 24721 351061 0 0 3 0x14280 nfsidl nfsio 5269 109914 0 0 3 0x14280 nfsidl nfsio 32637 303237 0 0 3 0x14280 nfsidl nfsio 95635 290760 0 0 3 0x14280 nfsidl nfsio 29260 185573 0 0 3 0x14280 nfsidl nfsio 56784 156036 89972 0 2 0x2 syz-executor 95153 251317 89972 0 3 0x82 nanoslp syz-executor 82270 348289 89972 0 3 0x2 biowait syz-executor 63735 389674 89972 0 3 0x82 wait syz-executor 2735 406366 89972 0 3 0x82 nanoslp syz-executor 85838 358509 89972 0 3 0x82 nanoslp syz-executor 22509 152205 89972 0 3 0x82 nanoslp syz-executor 45696 220134 89972 0 3 0x2 biowait syz-executor 89972 328639 49919 0 3 0x82 kqread syz-executor 49919 459744 1045 0 3 0x10008a sigsusp ksh 1045 76052 27678 0 3 0x98 kqread sshd-session 27678 272558 99877 0 3 0x92 kqread sshd-session 99877 182809 1 0 3 0x88 kqread sshd 69568 95021 99397 74 3 0x1100092 bpf pflogd 99397 209113 1 0 3 0x80 sbwait pflogd 24584 68642 87026 73 3 0x1100090 kqread syslogd 87026 202440 1 0 3 0x100082 sbwait syslogd 97426 68122 1 0 3 0x100080 kqread resolvd 17938 512122 26901 77 3 0x100092 kqread dhcpleased 46691 455302 26901 77 3 0x100092 kqread dhcpleased 26901 286082 1 0 3 0x80 kqread dhcpleased 26267 491705 0 0 3 0x14200 bored smr 58117 177231 0 0 3 0x14200 pgzero zerothread 53988 247924 0 0 3 0x14200 aiodoned aiodoned 44314 293192 0 0 3 0x14200 syncer update 79978 217810 0 0 3 0x14200 cleaner cleaner 23087 124832 0 0 3 0x14200 reaper reaper 72135 76511 0 0 3 0x14200 pgdaemon pagedaemon 23304 429967 0 0 3 0x14200 bored viomb 31455 415736 0 0 3 0x40014200 acpi0 acpi0 39601 473246 0 0 3 0x40014200 idle1 96210 295974 0 0 3 0x14200 bored softnet1 10727 23098 0 0 3 0x14200 bored softnet0 21186 294892 0 0 3 0x14200 bored systqmp 50725 520335 0 0 2 0x14200 systq 11413 221464 0 0 3 0x14200 tmoslp softclockmp 68277 59399 0 0 3 0x40014200 tmoslp softclock 51361 523956 0 0 3 0x40014200 idle0 1 112178 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 56784 (syz-executor) thread 0xffff800045fee2b0 (156036) exclusive rrwlock inode r = 0 (0xfffffa807c3bd5b8) #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:3062 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffa806d318d78) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 82270 (syz-executor) thread 0xffff800045feefa8 (348289) exclusive rrwlock inode r = 0 (0xfffffa806cbbc568) #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:3062 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffa806d6218d0) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 45696 (syz-executor) thread 0xffff800045ffc538 (220134) exclusive rrwlock inode r = 0 (0xfffffa806cbbc0c8) #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:3062 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffa807c671550) #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:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3047 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11109 12106K 12398K 166960K 12993 0 pcb 17 16K 18K 166960K 198 0 rtable 224 9K 10K 166960K 438 0 pf 42 19K 82K 166960K 323 0 ifaddr 40 6K 8K 166960K 67 0 ifgroup 66 2K 3K 166960K 110 0 sysctl 3 1K 9K 166960K 10 0 counters 74 37K 38K 166960K 118 0 ioctlops 0 0K 4K 166960K 1559 0 iov 0 0K 16K 166960K 33 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1448 91K 91K 166960K 2102 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 90 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 106K 166960K 653 0 sigio 0 0K 0K 166960K 10 0 proc 72 115K 164K 166960K 628 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 208 0 in_multi 78 5K 7K 166960K 123 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 23 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 481 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 222 193K 193K 166960K 7971 0 UVM aobj 3 2K 2K 166960K 4 0 pinsyscall 39 78K 102K 166960K 1840 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 24 0 NDP 14 0K 1K 166960K 46 0 temp 62 9124K 9193K 166960K 32893 0 kqueue 13 20K 30K 166960K 152 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 63 0 60 1 0 1 1 0 8 0 rtentry 176 129 0 38 6 0 6 6 0 8 0 unpcb 144 357 0 340 3 1 2 3 0 8 1 syncache 336 6 0 6 3 2 1 1 0 8 1 tcpcb 736 273 0 269 7 0 7 7 0 8 6 arp 136 20 0 6 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 1006 0 998 13 4 9 13 0 8 8 nd6 152 33 0 14 2 0 2 2 0 8 1 pkpcb 40 2 0 2 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 17 0 17 2 1 1 1 0 8 1 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 12 0 6 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 1288 64 0 9 5 0 5 5 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 1 0 1 0 8 0 pfstitem 24 58 0 22 1 0 1 1 0 8 0 pfstkey 128 62 0 26 2 0 2 2 0 8 0 pfstate 448 60 0 24 6 0 6 6 0 8 0 pfrule 1360 33 0 32 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 577 0 197 33 1 32 33 0 8 7 art_table 40 579 0 197 6 0 6 6 0 8 0 art_node 32 129 0 47 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 72 88 0 78 1 0 1 1 0 8 0 shmpl 112 1 0 1 1 1 0 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2566 0 1100 93 0 93 93 0 8 0 ffsino 296 2566 0 1100 114 0 114 114 0 8 0 nchpl 144 3494 0 1792 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 2 0 1 0 8 0 vnodes 216 3165 0 0 176 0 176 176 0 8 0 namei 1024 12176 0 12173 2 1 1 2 0 8 0 percpumem 16 74 0 22 1 0 1 1 0 8 0 kstatmem 264 65 0 30 4 1 3 3 0 8 0 scsiplug 72 4 0 3 2 1 1 1 0 8 0 scxspl 216 12234 0 12232 18 11 7 8 1 8 6 plimitpl 152 112 0 94 1 0 1 1 0 8 0 sigapl 424 994 0 929 8 0 8 8 0 8 0 knotepl 120 625 0 0 19 0 19 19 0 8 0 kqueuepl 224 217 0 208 3 0 3 3 0 8 2 pipepl 344 161 0 134 3 0 3 3 0 8 0 fdescpl 528 958 0 930 3 0 3 3 0 8 0 filepl 160 6245 0 6034 18 2 16 18 0 8 6 lockfpl 104 362 0 360 2 1 1 2 0 8 0 lockfspl 48 168 0 166 1 0 1 1 0 8 0 sessionpl 144 61 0 52 1 0 1 1 0 8 0 pgrppl 48 73 0 56 1 0 1 1 0 8 0 ucredpl 104 1011 0 997 1 0 1 1 0 8 0 zombiepl 144 931 0 929 1 0 1 1 0 8 0 processpl 1232 994 0 929 6 0 6 6 0 8 0 procpl 664 1911 0 1842 9 1 8 8 0 8 1 sosppl 176 2 0 2 1 1 0 1 0 8 0 sockpl 752 1450 0 1422 21 10 11 18 0 8 7 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 106 0 0 14 0 14 14 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 227 0 0 15 0 15 15 0 8 0 bufpl 272 6755 0 624 409 0 409 409 0 8 0 anonpl 32 8601 0 0 70 0 70 70 0 247 0 amapchunkpl 152 25681 0 24986 30 1 29 29 0 158 0 amappl16 200 3283 0 3253 23 13 10 15 0 8 7 amappl15 192 14 0 14 1 1 0 1 0 8 0 amappl14 184 444 0 442 1 0 1 1 0 8 0 amappl13 176 125 0 113 1 0 1 1 0 8 0 amappl12 168 1220 0 1192 2 0 2 2 0 8 0 amappl11 160 2 0 2 1 1 0 1 0 8 0 amappl10 152 84 0 70 1 0 1 1 0 8 0 amappl9 144 328 0 327 2 1 1 1 0 8 0 amappl8 136 99 0 97 1 0 1 1 0 8 0 amappl7 128 151 0 138 1 0 1 1 0 8 0 amappl6 120 160 0 159 1 0 1 1 0 8 0 amappl5 112 98 0 87 1 0 1 1 0 8 0 amappl4 104 311 0 291 1 0 1 1 0 8 0 amappl3 96 5078 0 4972 4 0 4 4 0 8 0 amappl2 88 573 0 509 2 0 2 2 0 8 0 amappl1 80 12714 0 12123 14 1 13 14 0 8 0 amappl 88 7137 0 6989 5 0 5 5 0 92 0 uvmvnodes 80 118 0 0 3 0 3 3 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 2 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 3 0 1 1 0 1 1 0 8 0 uaddrrnd 24 958 0 929 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 958 0 929 1 0 1 1 0 8 0 vmmpekpl 168 9663 0 9627 3 0 3 3 0 8 0 vmmpepl 168 68682 0 66866 99 3 96 98 0 357 10 vmsppl 488 957 0 929 5 1 4 5 0 8 0 rwobjpl 80 21690 0 20656 28 2 26 27 0 8 1 pdppl 4096 1923 0 1858 99 28 71 81 0 8 6 pvpl 32 27985 0 0 226 0 226 226 0 265 0 pmappl 256 957 0 929 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 703 0 37 20 0 20 20 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839a2ff0) 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 __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff839a2ff0) 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 __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a704c0) at __mp_lock+0x192 sys/kern/kern_lock.c:173 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9927) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f836e,ffffffff834e69e0,4b7,ffffffff834488a0) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffa8004ce7248) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206 uvm_fault_unwire_locked(fffffa806eea25c8,aef6cbf1000,aef6cbf2000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffa806eea25c8,fffffa806ca796b0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80003a3b6fb8,0,0,1) at exit1+0x71b sys/kern/kern_exit.c:260 sys_exit(ffff80003a3b6fb8,ffff80003c3ef340,ffff80003c3ef290) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ef340) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef340) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x722b868e4870, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834b9927) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff834f836e,ffffffff834e69e0,4b7,ffffffff834488a0) at __assert+0x29 sys/kern/subr_prf.c:-1 uvm_pageunwire(fffffa8004ce7248) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206 uvm_fault_unwire_locked(fffffa806eea25c8,aef6cbf1000,aef6cbf2000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790 uvm_unmap_kill_entry_withlock(fffffa806eea25c8,fffffa806ca796b0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866 uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffa806eea25c8) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497 exit1(ffff80003a3b6fb8,0,0,1) at exit1+0x71b sys/kern/kern_exit.c:260 sys_exit(ffff80003a3b6fb8,ffff80003c3ef340,ffff80003c3ef290) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c3ef340) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3ef340) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x722b868e4870, count: -11