panic: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x69814e60000, opte 0x3efff Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 358538 19845 0 0x8000000 0x4000000 1 syz-executor.3 *513671 64292 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f2f9b) at panic+0x17b sys/kern/subr_prf.c:198 pmap_remove_ptes(fffffd806ad6c7d0,fffffd8008490b60,7f834c0a7160,69814e2c000,69814e6c000,0,43c8b83b02b8a3c1) at pmap_remove_ptes+0x33e pmap_do_remove(fffffd806ad6c7d0,69814e2c000,69814e6c000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896 uvm_unmap_kill_entry_withlock(fffffd8056cc5898,fffffd806ef2d050,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8056cc5898) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149718) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: 7 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: pmap_remove_ptes: unmanaged page marked PG_PVLIST: va 0x69814e60000, opte 0x3efff ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f2f9b) at panic+0x17b sys/kern/subr_prf.c:198 pmap_remove_ptes(fffffd806ad6c7d0,fffffd8008490b60,7f834c0a7160,69814e2c000,69814e6c000,0,43c8b83b02b8a3c1) at pmap_remove_ptes+0x33e pmap_do_remove(fffffd806ad6c7d0,69814e2c000,69814e6c000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896 uvm_unmap_kill_entry_withlock(fffffd8056cc5898,fffffd806ef2d050,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8056cc5898) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149718) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a154c90 rbx 0xffffffff82c82d77 cpu_info_full_primary+0x2d77 rdx 0 rcx 0xffff80002a149718 rax 0xffffffff82c81ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3ba39bc613628679 r11 0x56b3e54782a76bbd r12 0xffffffff82c82b78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff826deb8c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a154c80 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (reaper) tid=513671 pid=64292 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=4, usrpri=84, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a1499a8,0xffff80002a149498 process=0xffff80002a15b548 user=0xffff80002a150000, vmspace=0xffffffff82d6d388 estcpu=34, cpticks=2, pctcpu=16.71, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19845 437031 3025 0 2 0x8000000 syz-executor.3 19845 358538 3025 0 7 0xc000000 syz-executor.3 75836 503275 20752 0 2 0x8000000 syz-executor.1 75836 272669 20752 0 3 0xc000080 ttyout syz-executor.1 75836 100 20752 0 3 0xc000080 fsleep syz-executor.1 61550 259171 73607 0 3 0x8000082 nanoslp syz-executor.4 3025 515095 73607 0 3 0x8000082 nanoslp syz-executor.3 69322 283663 73607 0 3 0x8000082 nanoslp syz-executor.5 20752 337433 73607 0 3 0x8000082 nanoslp syz-executor.1 89146 96611 1 0 3 0x18100083 ttyin getty 71499 82174 73607 0 2 0x8000002 syz-executor.7 96535 309355 73607 0 3 0x8000082 nanoslp syz-executor.2 8642 26941 73607 0 2 0x8000002 syz-executor.6 86684 158729 0 0 3 0x14280 nfsidl nfsio 64840 112456 0 0 3 0x14280 nfsidl nfsio 2621 79570 0 0 3 0x14280 nfsidl nfsio 62343 331772 0 0 3 0x14280 nfsidl nfsio 26244 487842 0 0 3 0x14280 nfsidl nfsio 77770 383357 0 0 3 0x14280 nfsidl nfsio 50807 445731 0 0 3 0x14280 nfsidl nfsio 97906 276388 0 0 3 0x14280 nfsidl nfsio 68308 458864 0 0 3 0x14280 nfsidl nfsio 5017 494204 0 0 3 0x14280 nfsidl nfsio 96122 508822 0 0 3 0x14280 nfsidl nfsio 50095 356451 0 0 3 0x14280 nfsidl nfsio 35275 40645 0 0 3 0x14280 nfsidl nfsio 9612 168663 0 0 3 0x14280 nfsidl nfsio 31692 48228 0 0 3 0x14280 nfsidl nfsio 40994 363290 0 0 3 0x14280 nfsidl nfsio 77429 391952 0 0 3 0x14280 nfsidl nfsio 36432 400292 0 0 3 0x14280 nfsidl nfsio 36246 359042 0 0 3 0x14280 nfsidl nfsio 64402 479909 0 0 3 0x14280 nfsidl nfsio 70181 457284 0 0 3 0x14200 bored sosplice 73607 521466 57077 0 3 0x1a000082 wait syz-fuzzer 73607 79151 57077 0 3 0x1e000082 nanoslp syz-fuzzer 73607 382115 57077 0 3 0x1e000082 wait syz-fuzzer 73607 423004 57077 0 2 0x1e000082 syz-fuzzer 73607 317080 57077 0 3 0x1e000082 wait syz-fuzzer 73607 117613 57077 0 3 0x1e000082 thrsleep syz-fuzzer 73607 459037 57077 0 3 0x1e000082 thrsleep syz-fuzzer 73607 93473 57077 0 2 0x1e000082 syz-fuzzer 73607 418732 57077 0 3 0x1e000082 thrsleep syz-fuzzer 73607 459341 57077 0 3 0x1e000082 thrsleep syz-fuzzer 73607 488055 57077 0 3 0x1e000082 wait syz-fuzzer 73607 409679 57077 0 3 0x1e000082 thrsleep syz-fuzzer 73607 288277 57077 0 3 0x1e000082 wait syz-fuzzer 73607 327984 57077 0 3 0x1e000082 wait syz-fuzzer 73607 91387 57077 0 3 0x1e000082 wait syz-fuzzer 73607 295785 57077 0 3 0x1e000082 wait syz-fuzzer 57077 43764 35403 0 3 0x810008a sigsusp ksh 35403 371978 15461 0 3 0x1800009a kqread sshd 15461 34852 1 0 3 0x18000088 kqread sshd 5290 186284 34241 73 2 0x19100010 syslogd 34241 330895 1 0 3 0x18100082 sbwait syslogd 43339 183932 1 0 3 0x18100080 kqread resolvd 65585 97331 32946 77 3 0x18100092 kqread dhcpleased 97006 315003 32946 77 3 0x18100092 kqread dhcpleased 32946 66993 1 0 3 0x18000080 kqread dhcpleased 34085 389342 0 0 3 0x14200 bored smr 49246 62881 0 0 2 0x14200 zerothread 45208 440382 0 0 3 0x14200 aiodoned aiodoned 33906 457373 0 0 3 0x14200 syncer update 56587 268280 0 0 3 0x14200 cleaner cleaner *64292 513671 0 0 7 0x14200 reaper 460 177056 0 0 3 0x14200 pgdaemon pagedaemon 75148 197847 0 0 3 0x14200 bored viomb 82480 315327 0 0 3 0x40014200 acpi0 acpi0 49663 68620 0 0 3 0x40014200 idle1 5374 350917 0 0 3 0x14200 bored softnet3 92012 339077 0 0 3 0x14200 bored softnet2 135 368560 0 0 3 0x14200 bored softnet1 38341 305951 0 0 2 0x14200 softnet0 69637 396973 0 0 3 0x14200 bored systqmp 425 380815 0 0 3 0x14200 bored systq 33316 404590 0 0 3 0x14200 tmoslp softclockmp 7382 45475 0 0 3 0x40014200 tmoslp softclock 21146 366429 0 0 3 0x40014200 idle0 1 344830 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806ad6c7e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_do_remove+0x99 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0x99 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_do_remove+0x99 sys/arch/amd64/amd64/pmap.c:1800 #4 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 #5 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #7 reaper+0x197 sys/kern/kern_exit.c:463 #8 proc_trampoline+0x10 Process 19845 (syz-executor.3) thread 0xffff80002a22acf8 (437031) exclusive rwlock uobjlk r = 0 (0xfffffd80639aaeb8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 uvm_fault+0x196 sys/uvm/uvm_fault.c:623 #3 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e0ba30) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 uvm_fault+0x189 sys/uvm/uvm_fault.c:622 #2 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #3 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #4 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8056cc5618) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 71499 (syz-executor.7) thread 0xffff80002a203730 (82174) exclusive rrwlock inode r = 0 (0xfffffd806e2024d8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd 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:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806814ce70) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 8642 (syz-executor.6) thread 0xffff800030b2d9f0 (26941) exclusive rrwlock inode r = 0 (0xfffffd8067bc5b48) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd 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:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068008918) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 5290 (syslogd) thread 0xffff8000ffffdc40 (186284) exclusive rrwlock inode r = 0 (0xfffffd806e7494e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 64292 (reaper) thread 0xffff80002a149718 (513671) exclusive rwlock vmmaplk r = 0 (0xfffffd8056cc5988) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5291 #3 uvm_map_teardown+0xb3 sys/uvm/uvm_map.c:2502 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #5 reaper+0x197 sys/kern/kern_exit.c:463 #6 proc_trampoline+0x10 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806ad6c7e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_do_remove+0x99 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0x99 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_do_remove+0x99 sys/arch/amd64/amd64/pmap.c:1800 #4 uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 #5 uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] #5 uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 #7 reaper+0x197 sys/kern/kern_exit.c:463 #8 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 6565K 7142K 166960K 14653 0 pcb 17 12K 12K 166960K 334 0 rtable 185 14K 16K 166960K 1088 0 pf 34 9K 11K 166960K 133 0 ifaddr 38 14K 16K 166960K 153 0 ifgroup 59 2K 3K 166960K 209 0 sysctl 3 0K 1K 166960K 6 0 counters 68 36K 37K 166960K 148 0 ioctlops 0 0K 4K 166960K 1593 0 iov 0 0K 16K 166960K 115 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1382 87K 87K 166960K 3132 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 55 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 162 0 dirhash 12 2K 3K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 93K 166960K 2154 0 sigio 0 0K 0K 166960K 39 0 proc 58 79K 103K 166960K 1159 0 subproc 104 6K 7K 166960K 351 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 287 0 in_multi 62 4K 7K 166960K 372 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 887 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 270 75K 97K 166960K 20606 0 UVM aobj 63 5K 5K 166960K 69 0 pinsyscall 33 66K 100K 166960K 3846 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 119 0 NDP 13 0K 2K 166960K 107 0 temp 74 6820K 14756K 166960K 77384 0 kqueue 13 20K 28K 166960K 352 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 278 0 275 1 0 1 1 0 8 0 rtentry 112 349 0 272 5 1 4 4 0 8 0 unpcb 144 1507 0 1493 4 3 1 2 0 8 0 syncache 336 7 0 7 4 4 0 1 0 8 0 tcpqe 32 32 0 32 2 2 0 1 0 8 0 tcpcb 808 573 0 568 10 8 2 2 0 8 1 arp 120 61 0 48 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 2 0 2 1 1 0 1 0 8 0 inpcb 384 2119 0 2110 14 12 2 3 0 8 0 nd6 136 94 0 76 1 0 1 1 0 8 0 pkpcb 40 12 0 12 9 9 0 1 0 8 0 kcovpl 48 27 0 19 1 0 1 1 0 8 0 ppxss 1168 10 0 10 7 6 1 1 0 8 1 pffrag 232 22 0 19 1 0 1 1 0 482 0 pffrnode 88 16 0 15 1 0 1 1 0 8 0 pffrent 40 376 0 372 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 24 189 0 150 1 0 1 1 0 8 0 pfstkey 128 189 0 150 2 0 2 2 0 8 0 pfstate 376 189 0 150 7 2 5 6 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 1340 0 1018 42 19 23 30 0 8 1 art_table 32 1341 0 1018 4 0 4 4 0 8 0 art_node 16 346 0 278 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 5 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 158 0 148 1 0 1 1 0 8 0 shmpl 112 66 0 6 2 0 2 2 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 4902 0 3377 97 0 97 97 0 8 0 ffsino 272 4902 0 3377 103 0 103 103 0 8 0 nchpl 144 8377 0 7782 67 40 27 67 0 8 0 uvmvnodes 80 6235 0 0 128 0 128 128 0 8 0 vnodes 216 6235 0 0 347 0 347 347 0 8 0 namei 1024 28709 0 28709 6 5 1 2 0 8 1 percpumem 16 88 0 40 1 0 1 1 0 8 0 vcpupl 3904 10 0 2 2 0 2 2 0 8 0 vmpool 696 14 0 6 1 0 1 1 0 8 0 kstatmem 264 106 0 80 6 3 3 3 0 8 1 scsiplug 72 5 0 5 4 4 0 1 0 8 0 scxspl 216 55700 0 55700 19 18 1 8 1 8 1 plimitpl 152 382 0 363 1 0 1 1 0 8 0 sigapl 424 2458 0 2393 9 1 8 8 0 8 0 futexpl 64 33844 0 33843 5 4 1 1 0 8 0 knotepl 120 482 0 0 12 0 12 12 0 8 0 kqueuepl 216 670 0 660 2 1 1 2 0 8 0 pipepl 320 434 0 407 3 0 3 3 0 8 0 fdescpl 496 2415 0 2391 6 2 4 5 0 8 0 filepl 152 15345 0 15105 12 1 11 11 0 8 0 lockfpl 104 515 0 513 1 0 1 1 0 8 0 lockfspl 48 218 0 216 1 0 1 1 0 8 0 sessionpl 144 44 0 28 1 0 1 1 0 8 0 pgrppl 48 79 0 63 1 0 1 1 0 8 0 ucredpl 104 2631 0 2621 1 0 1 1 0 8 0 zombiepl 144 2397 0 2393 3 2 1 1 0 8 0 processpl 1136 2458 0 2393 6 0 6 6 0 8 0 procpl 656 4606 0 4523 11 2 9 9 0 8 0 srpgc 96 24 0 24 6 5 1 1 0 8 1 sosppl 168 29 0 29 8 7 1 1 0 8 1 sockpl 664 3950 0 3925 19 15 4 5 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 412 0 0 45 1 44 45 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 1074 0 0 60 0 60 60 0 8 0 bufpl 280 11940 0 4099 562 1 561 561 0 8 0 anonpl 24 448632 0 442379 162 84 78 93 0 186 16 amapchunkpl 152 69156 0 68517 84 45 39 41 0 158 10 amappl16 200 10723 0 10572 67 46 21 21 0 8 7 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 258 0 246 2 1 1 2 0 8 0 amappl13 176 29 0 28 1 0 1 1 0 8 0 amappl12 168 3422 0 3393 2 0 2 2 0 8 0 amappl11 160 68 0 56 1 0 1 1 0 8 0 amappl10 152 72 0 62 1 0 1 1 0 8 0 amappl9 144 372 0 372 2 2 0 1 0 8 0 amappl8 136 221 0 187 2 0 2 2 0 8 0 amappl7 128 51 0 37 1 0 1 1 0 8 0 amappl6 120 605 0 590 2 1 1 2 0 8 0 amappl5 112 255 0 242 1 0 1 1 0 8 0 amappl4 104 790 0 754 2 0 2 2 0 8 0 amappl3 96 12622 0 12544 3 0 3 3 0 8 0 amappl2 88 2866 0 2795 3 1 2 3 0 8 0 amappl1 80 17144 0 16663 23 12 11 22 0 8 0 amappl 88 19740 0 19559 6 0 6 6 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 68 0 6 2 0 2 2 0 8 0 uaddrrnd 24 2429 0 2397 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2429 0 2397 1 0 1 1 0 8 0 vmmpekpl 168 20996 0 20919 4 0 4 4 0 8 0 vmmpepl 168 167000 0 165219 165 67 98 113 0 357 3 vmsppl 440 2428 0 2396 5 0 5 5 0 8 0 rwobjpl 56 51078 0 43687 116 8 108 108 0 8 3 pdppl 4096 4865 0 4800 227 154 73 79 0 8 8 pvpl 32 45514 0 0 370 2 368 368 0 265 0 pmappl 248 2428 0 2396 5 2 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 611 0 199 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f2f9b) at panic+0x17b sys/kern/subr_prf.c:198 pmap_remove_ptes(fffffd806ad6c7d0,fffffd8008490b60,7f834c0a7160,69814e2c000,69814e6c000,0,43c8b83b02b8a3c1) at pmap_remove_ptes+0x33e pmap_do_remove(fffffd806ad6c7d0,69814e2c000,69814e6c000,0) at pmap_do_remove+0x410 sys/arch/amd64/amd64/pmap.c:1896 uvm_unmap_kill_entry_withlock(fffffd8056cc5898,fffffd806ef2d050,0) at uvm_unmap_kill_entry_withlock+0x1b1 sys/uvm/uvm_map.c:1897 uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8056cc5898) at uvm_map_teardown+0x1c7 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8056cc5898) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3461 reaper(ffff80002a149718) at reaper+0x197 sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 __mp_lock(ffffffff82e0b828) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002bca0aa0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bca0aa0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x32f94bdc950, count: 9 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 __mp_lock(ffffffff82e0b828) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e0b828) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002bca0aa0) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bca0aa0) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x32f94bdc950, count: -6