panic: pool_do_get: pvpl free list modified: page 0xfffffd8068a3d000; item addr 0xfffffd8068a3d000; offset 0x0=0x0 != 0x20183b803eeb26de Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *115892 53937 0 0x1000 0x4080000 1K syz-executor.0 425993 9532 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8247a223) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff82908d88,2,ffff800021ee7228) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82908d88,2) at pool_get+0xeb sys/kern/subr_pool.c:581 pmap_enter(fffffd807efff1d0,20954000,645a3000,3,21) at pmap_enter+0x16e uvm_fault(fffffd806e90b8a8,20954000,0,1) at uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 pageflttrap(ffff800021ee7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021ee7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b ptcwrite(601,ffff800021ee7b28,11) at ptcwrite+0x1a4 sys/kern/tty_pty.c:551 spec_write(ffff800021ee7970) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e33fdd8,ffff800021ee7b28,11,fffffd807f7bf780) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80688a5440,ffff800021ee7b28,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 end trace frame: 0xffff800021ee7b10, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic pool_do_get: pvpl free list modified: page 0xfffffd8068a3d000; item addr 0xfffffd8068a3d000; offset 0x0=0x0 != 0x20183b803eeb26de ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8247a223) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff82908d88,2,ffff800021ee7228) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82908d88,2) at pool_get+0xeb sys/kern/subr_pool.c:581 pmap_enter(fffffd807efff1d0,20954000,645a3000,3,21) at pmap_enter+0x16e uvm_fault(fffffd806e90b8a8,20954000,0,1) at uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 pageflttrap(ffff800021ee7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021ee7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b ptcwrite(601,ffff800021ee7b28,11) at ptcwrite+0x1a4 sys/kern/tty_pty.c:551 spec_write(ffff800021ee7970) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e33fdd8,ffff800021ee7b28,11,fffffd807f7bf780) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80688a5440,ffff800021ee7b28,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021eeb618,5,ffff800021ee7b28,0,ffff800021ee7c10) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800021eeb618,ffff800021ee7bc8,ffff800021ee7c10) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800021ee7c90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ee7c90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa4354dbde0, count: -18 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021ee7070 rbx 0xffff800021ee7120 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff8102be9f kprintf+0x16f r9 0x1 r10 0x2 r11 0x55b91cf715d7232f r12 0x3000000008 r13 0xffff800021ee7080 r14 0x100 r15 0x1 rip 0xffffffff81850b98 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021ee7060 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=115892 stat=onproc flags process=1000 proc=4080000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800021eeac58,0xffffffff828a0f20 process=0xffff800021ee9748 user=0xffff800021ee2000, vmspace=0xfffffd806e90b8a8 estcpu=36, cpticks=90, pctcpu=20.69 user=0, sys=10, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53937 258029 90424 0 3 0x3000 suspend syz-executor.0 *53937 115892 90424 0 7 0x4081000 syz-executor.0 58131 393041 0 0 3 0x14280 nfsidl nfsio 88306 176694 0 0 3 0x14280 nfsidl nfsio 16891 320934 0 0 3 0x14280 nfsidl nfsio 60472 168705 0 0 3 0x14280 nfsidl nfsio 58236 139140 0 0 3 0x14280 nfsidl nfsio 61888 112680 0 0 3 0x14280 nfsidl nfsio 23436 315045 0 0 3 0x14280 nfsidl nfsio 87781 293320 0 0 3 0x14280 nfsidl nfsio 57862 80287 0 0 3 0x14280 nfsidl nfsio 39082 69237 0 0 3 0x14280 nfsidl nfsio 58178 504176 0 0 3 0x14280 nfsidl nfsio 44103 434594 0 0 3 0x14280 nfsidl nfsio 89672 71775 0 0 3 0x14280 nfsidl nfsio 51160 193866 0 0 3 0x14280 nfsidl nfsio 47705 469811 0 0 3 0x14280 nfsidl nfsio 35251 120198 0 0 3 0x14280 nfsidl nfsio 42174 76434 0 0 3 0x14280 nfsidl nfsio 96642 439275 0 0 3 0x14280 nfsidl nfsio 84612 490070 0 0 3 0x14280 nfsidl nfsio 70553 310053 0 0 3 0x14280 nfsidl nfsio 3668 252015 0 0 3 0x14200 acct acct 90424 440298 18020 0 3 0x82 wait syz-executor.0 72847 63423 1 0 3 0x100083 ttyin getty 46275 80275 0 0 3 0x14200 bored sosplice 95045 168632 18020 0 2 0x2 syz-executor.1 18020 162326 53920 0 3 0x82 thrsleep syz-fuzzer 18020 464068 53920 0 2 0x4000002 syz-fuzzer 18020 480360 53920 0 3 0x4000082 thrsleep syz-fuzzer 18020 227379 53920 0 3 0x4000082 thrsleep syz-fuzzer 18020 181057 53920 0 3 0x4000082 thrsleep syz-fuzzer 18020 103631 53920 0 2 0x4000002 syz-fuzzer 18020 463970 53920 0 3 0x4000082 thrsleep syz-fuzzer 18020 456637 53920 0 3 0x4000082 thrsleep syz-fuzzer 18020 221670 53920 0 3 0x4000082 kqread syz-fuzzer 18020 387934 53920 0 3 0x4000082 thrsleep syz-fuzzer 53920 406083 24164 0 3 0x10008a pause ksh 24164 235106 48861 0 3 0x92 select sshd 48861 1966 1 0 3 0x80 select sshd 6912 395925 52072 74 3 0x100092 bpf pflogd 52072 371454 1 0 3 0x80 netio pflogd 53005 81249 5457 73 3 0x100090 kqread syslogd 5457 455600 1 0 3 0x100082 netio syslogd 13796 211944 1 77 3 0x100090 poll dhclient 90192 170945 1 0 3 0x80 poll dhclient 69989 149824 0 0 3 0x14200 bored smr 3803 45810 0 0 2 0x14200 zerothread 23732 456227 0 0 3 0x14200 aiodoned aiodoned 8522 477616 0 0 3 0x14200 syncer update 29138 302055 0 0 3 0x14200 cleaner cleaner 64462 158473 0 0 3 0x14200 reaper reaper 38002 16157 0 0 3 0x14200 pgdaemon pagedaemon 76115 14538 0 0 3 0x14200 bored crynlk 97687 302577 0 0 3 0x14200 bored crypto 75048 121677 0 0 3 0x40014200 acpi0 acpi0 57349 376615 0 0 3 0x40014200 idle1 88771 196540 0 0 3 0x14200 bored softnet 51090 397927 0 0 3 0x14200 bored systqmp 59541 173440 0 0 3 0x14200 bored systq 9532 425993 0 0 7 0x40014200 softclock 47473 189509 0 0 3 0x40014200 idle0 1 344710 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex pvpl r = 0 (0xffffffff82908d98) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 pmap_enter+0x16e #5 uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 #6 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #7 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #8 alltraps_kern_meltdown+0x7b #9 copyin+0x4b #10 ptcwrite+0x1a4 sys/kern/tty_pty.c:551 #11 spec_write+0xd4 sys/kern/spec_vnops.c:309 #12 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #13 vn_write+0x14e sys/kern/vfs_vnops.c:414 #14 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #15 sys_write+0x83 sys/kern/sys_generic.c:285 #16 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #16 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #17 Xsyscall+0x128 Process 53937 (syz-executor.0) thread 0xffff800021eeb618 (115892) shared rwlock vmmaplk r = 0 (0xfffffd806e90b8c0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1448 #2 uvm_fault+0x7f sys/uvm/uvm_fault.c:524 #3 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #4 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #5 alltraps_kern_meltdown+0x7b #6 copyin+0x4b #7 ptcwrite+0x1a4 sys/kern/tty_pty.c:551 #8 spec_write+0xd4 sys/kern/spec_vnops.c:309 #9 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #10 vn_write+0x14e sys/kern/vfs_vnops.c:414 #11 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #12 sys_write+0x83 sys/kern/sys_generic.c:285 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828e7060) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 #2 mi_switch+0x392 sys/kern/sched_bsd.c:435 #3 preempt+0x5a sys/kern/sched_bsd.c:329 #4 uiomove+0x1e4 sys/kern/kern_subr.c:80 #5 ptcwrite+0x1a4 sys/kern/tty_pty.c:551 #6 spec_write+0xd4 sys/kern/spec_vnops.c:309 #7 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #8 vn_write+0x14e sys/kern/vfs_vnops.c:414 #9 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #10 sys_write+0x83 sys/kern/sys_generic.c:285 #11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #12 Xsyscall+0x128 exclusive mutex pvpl r = 0 (0xffffffff82908d98) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 pmap_enter+0x16e #5 uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 #6 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #7 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #8 alltraps_kern_meltdown+0x7b #9 copyin+0x4b #10 ptcwrite+0x1a4 sys/kern/tty_pty.c:551 #11 spec_write+0xd4 sys/kern/spec_vnops.c:309 #12 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 #13 vn_write+0x14e sys/kern/vfs_vnops.c:414 #14 dofilewritev+0x1b6 sys/kern/sys_generic.c:365 #15 sys_write+0x83 sys/kern/sys_generic.c:285 #16 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #16 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #17 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9526 6420K 6806K 78643K 11213 0 pcb 13 8K 8K 78643K 69 0 rtable 128 10K 13K 78643K 462 0 ifaddr 87 17K 18K 78643K 166 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 34K 78643K 57 0 ioctlops 0 0K 4K 78643K 1562 0 iov 0 0K 16K 78643K 517 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1415 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 89 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 435 0 sigio 0 0K 0K 78643K 3 0 proc 61 63K 95K 78643K 521 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 131 0 in_multi 75 3K 3K 78643K 120 0 ether_multi 1 0K 0K 78643K 6 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 247 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 122 39K 39K 78643K 2414 0 UVM aobj 7 2K 2K 78643K 14 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 41 0 NDP 13 0K 0K 78643K 29 0 temp 121 3859K 3939K 78643K 8897 0 kqueue 3 4K 12K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 3 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 37 0 35 1 0 1 1 0 8 0 rtentry 112 79 0 38 2 0 2 2 0 8 0 unpcb 120 200 0 190 1 0 1 1 0 8 0 syncache 264 11 0 11 3 3 0 1 0 8 0 tcpqe 32 640 0 640 2 2 0 1 0 8 0 tcpcb 544 178 0 172 1 0 1 1 0 8 0 inpcb 280 471 0 462 4 3 1 2 0 8 0 nd6 48 15 0 11 1 0 1 1 0 8 0 ppxss 1128 3 0 3 3 3 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 4 0 3 1 0 1 1 0 482 0 pffrnode 88 4 0 3 1 0 1 1 0 8 0 pffrent 40 12 0 11 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 60 0 47 3 1 2 2 0 8 0 pfstitem 24 33 0 23 1 0 1 1 0 8 0 pfstkey 112 33 0 23 1 0 1 1 0 8 0 pfstate 328 32 0 23 3 1 2 3 0 8 0 pfrule 1360 46 0 27 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 352 0 163 14 2 12 13 0 8 0 art_table 32 354 0 163 2 0 2 2 0 8 0 art_node 16 78 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semapl 112 85 0 75 1 0 1 1 0 8 0 shmpl 112 12 0 7 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1957 0 553 89 0 89 89 0 8 0 ffsino 272 1957 0 553 96 1 95 95 0 8 0 nchpl 144 3011 0 1414 60 0 60 60 0 8 0 uvmvnodes 72 2146 0 0 40 0 40 40 0 8 0 vnodes 208 2146 0 0 113 0 113 113 0 8 0 namei 1024 8076 0 8076 2 1 1 1 0 8 1 percpumem 16 39 0 7 1 0 1 1 0 8 0 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 560 6 0 5 2 1 1 1 0 8 0 pfiaddrpl 120 23 0 9 2 1 1 1 0 8 0 scsiplug 64 5 0 5 2 2 0 1 0 8 0 scxspl 192 8379 0 8379 10 9 1 7 0 8 1 plimitpl 152 30 0 21 1 0 1 1 0 8 0 sigapl 424 670 0 617 7 1 6 7 0 8 0 futexpl 56 7107 0 7107 2 2 0 1 0 8 0 knotepl 112 102 0 83 1 0 1 1 0 8 0 kqueuepl 144 75 0 71 1 0 1 1 0 8 0 pipepl 304 145 0 135 3 2 1 2 0 8 0 fdescpl 496 633 0 617 5 2 3 3 0 8 0 filepl 152 3787 0 3684 6 1 5 5 0 8 0 lockfpl 104 129 0 128 1 0 1 1 0 8 0 lockfspl 48 42 0 41 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 567 0 556 1 0 1 1 0 8 0 ucredpl 96 276 0 267 1 0 1 1 0 8 0 zombiepl 144 617 0 617 2 1 1 1 0 8 1 processpl 984 670 0 617 8 1 7 7 0 8 0 procpl 624 1602 0 1539 6 0 6 6 0 8 0 sosppl 128 6 0 6 3 3 0 1 0 8 0 sockpl 400 708 0 687 8 5 3 4 0 8 0 mcl64k 65536 262 0 0 33 1 32 33 0 8 1 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 11 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 236 0 0 29 0 29 29 0 8 0 mtagpl 80 49 0 0 1 0 1 1 0 8 0 mbufpl 256 422 0 0 24 0 24 24 0 8 0 bufpl 280 4193 0 138 290 0 290 290 0 8 0 anonpl 16 83224 0 64794 88 13 75 80 0 124 0 amapchunkpl 152 3982 0 3830 24 17 7 20 0 158 0 amappl16 192 3296 0 2285 64 13 51 55 0 8 0 amappl15 184 1 0 1 1 1 0 1 0 8 0 amappl14 176 122 0 116 1 0 1 1 0 8 0 amappl13 168 230 0 226 1 0 1 1 0 8 0 amappl12 160 102 0 98 2 1 1 1 0 8 0 amappl11 152 61 0 46 1 0 1 1 0 8 0 amappl10 144 124 0 118 1 0 1 1 0 8 0 amappl9 136 382 0 381 1 0 1 1 0 8 0 amappl8 128 364 0 336 1 0 1 1 0 8 0 amappl7 120 225 0 212 1 0 1 1 0 8 0 amappl6 112 26 0 22 1 0 1 1 0 8 0 amappl5 104 435 0 419 1 0 1 1 0 8 0 amappl4 96 804 0 766 1 0 1 1 0 8 0 amappl3 88 219 0 212 1 0 1 1 0 8 0 amappl2 80 4044 0 3974 2 0 2 2 0 8 0 amappl1 72 23742 0 23294 23 13 10 18 0 8 0 amappl 80 1853 0 1808 3 1 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 13 0 7 1 0 1 1 0 8 0 uaddrrnd 24 639 0 622 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 639 0 622 1 0 1 1 0 8 0 vmmpekpl 168 8770 0 8735 2 0 2 2 0 8 0 vmmpepl 168 84478 0 82305 148 46 102 126 0 357 6 vmsppl 368 638 0 622 2 0 2 2 0 8 0 pdppl 4096 1285 0 1245 7 1 6 6 0 8 0 pvpl 32 241588 0 219886 203 20 183 192 0 265 7 pvpl: pool(0xffffffff82908d88:pvpl): free list modified: page 0xfffffd8068a3d000; item ordinal 0; addr 0xfffffd8068a3d000 (p 0xfffffd8068a3d000); offset 0x0=0x0 pool(pvpl): free list modified: page 0xfffffd8068a3d000; item ordinal 0; addr 0xfffffd8068a3d000 (p 0xfffffd8068a3d000); offset 0x0=0x0 pvpl: pool(0xffffffff82908d88:pvpl): page inconsistency: page 0xfffffd8068a3d000; item ordinal 1; addr 0xc0eb7d027e626e1b pmappl 232 638 0 622 4 3 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 325 0 14 10 1 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82790ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828e6e58) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828e6e58) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828e6e58,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020d979a8,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 softclock_thread(ffff800020d89860) at softclock_thread+0x103 sys/kern/kern_timeout.c:575 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff82790ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff828e6e58) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828e6e58) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828e6e58,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020d979a8,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 softclock_thread(ffff800020d89860) at softclock_thread+0x103 sys/kern/kern_timeout.c:575 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8247a223) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff82908d88,2,ffff800021ee7228) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82908d88,2) at pool_get+0xeb sys/kern/subr_pool.c:581 pmap_enter(fffffd807efff1d0,20954000,645a3000,3,21) at pmap_enter+0x16e uvm_fault(fffffd806e90b8a8,20954000,0,1) at uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 pageflttrap(ffff800021ee7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021ee7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b ptcwrite(601,ffff800021ee7b28,11) at ptcwrite+0x1a4 sys/kern/tty_pty.c:551 spec_write(ffff800021ee7970) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e33fdd8,ffff800021ee7b28,11,fffffd807f7bf780) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80688a5440,ffff800021ee7b28,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 end trace frame: 0xffff800021ee7b10, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8247a223) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff82908d88,2,ffff800021ee7228) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82908d88,2) at pool_get+0xeb sys/kern/subr_pool.c:581 pmap_enter(fffffd807efff1d0,20954000,645a3000,3,21) at pmap_enter+0x16e uvm_fault(fffffd806e90b8a8,20954000,0,1) at uvm_fault+0x10f0 sys/uvm/uvm_fault.c:1217 pageflttrap(ffff800021ee7690,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800021ee7690) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b ptcwrite(601,ffff800021ee7b28,11) at ptcwrite+0x1a4 sys/kern/tty_pty.c:551 spec_write(ffff800021ee7970) at spec_write+0xd4 sys/kern/spec_vnops.c:309 VOP_WRITE(fffffd806e33fdd8,ffff800021ee7b28,11,fffffd807f7bf780) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268 vn_write(fffffd80688a5440,ffff800021ee7b28,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414 dofilewritev(ffff800021eeb618,5,ffff800021ee7b28,0,ffff800021ee7c10) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800021eeb618,ffff800021ee7bc8,ffff800021ee7c10) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800021ee7c90) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021ee7c90) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa4354dbde0, count: -18