Nov 23 21:20:16 localhost kernel: [  513.121005] WARNING: at fs/buffer.c:668 __set_page_dirty+0x60/0xb0()
Nov 23 21:20:16 localhost kernel: [  513.121017] Modules linked in: binfmt_misc
Nov 23 21:20:16 localhost kernel: [  513.121091] [<c00422c4>] (unwind_backtrace+0x0/0xe0) from [<c0079f70>] (warn_slowpath_common+0x4c/0x64)
Nov 23 21:20:16 localhost kernel: [  513.121131] [<c0079f70>] (warn_slowpath_common+0x4c/0x64) from [<c0079fa0>] (warn_slowpath_null+0x18/0x1c)
Nov 23 21:20:16 localhost kernel: [  513.121168] [<c0079fa0>] (warn_slowpath_null+0x18/0x1c) from [<c0140758>] (__set_page_dirty+0x60/0xb0)
Nov 23 21:20:16 localhost kernel: [  513.121211] [<c0140758>] (__set_page_dirty+0x60/0xb0) from [<c0140878>] (__set_page_dirty_buffers+0xd0/0xe8)
Nov 23 21:20:16 localhost kernel: [  513.121261] [<c0140878>] (__set_page_dirty_buffers+0xd0/0xe8) from [<c00edb0c>] (set_page_dirty+0x54/0x88)
Nov 23 21:20:16 localhost kernel: [  513.121319] [<c00edb0c>] (set_page_dirty+0x54/0x88) from [<c00ffd40>] (unmap_vmas+0x318/0x630)
Nov 23 21:20:16 localhost kernel: [  513.121356] [<c00ffd40>] (unmap_vmas+0x318/0x630) from [<c0103f64>] (exit_mmap+0xb0/0x164)
Nov 23 21:20:16 localhost kernel: [  513.121388] [<c0103f64>] (exit_mmap+0xb0/0x164) from [<c00779cc>] (mmput+0x3c/0xf8)
Nov 23 21:20:16 localhost kernel: [  513.121430] [<c00779cc>] (mmput+0x3c/0xf8) from [<c0122480>] (flush_old_exec+0x428/0x540)
Nov 23 21:20:16 localhost kernel: [  513.121484] [<c0122480>] (flush_old_exec+0x428/0x540) from [<c0156840>] (load_elf_binary+0x37c/0x1288)
Nov 23 21:20:16 localhost kernel: [  513.121525] [<c0156840>] (load_elf_binary+0x37c/0x1288) from [<c01214f4>] (search_binary_handler+0x190/0x36c)
Nov 23 21:20:16 localhost kernel: [  513.121561] [<c01214f4>] (search_binary_handler+0x190/0x36c) from [<c0122f50>] (do_execve+0x220/0x32c)
Nov 23 21:20:16 localhost kernel: [  513.121623] [<c0122f50>] (do_execve+0x220/0x32c) from [<c003f4f8>] (sys_execve+0x34/0x54)
Nov 23 21:20:16 localhost kernel: [  513.121660] [<c003f4f8>] (sys_execve+0x34/0x54) from [<c003ba40>] (ret_fast_syscall+0x0/0x30)
Nov 23 21:20:16 localhost kernel: [  513.121681] ---[ end trace 0cc24f5230a6082d ]---
Nov 23 21:20:16 localhost kernel: [  513.121859] BUG: Bad page map in process pam-foreground-  pte:26c2755f pmd:2d18f031
Nov 23 21:20:16 localhost kernel: [  513.121887] page:c0c484e0 count:2 mapcount:-1 mapping:edc2314c index:0x2625
Nov 23 21:20:16 localhost kernel: [  513.121897] page flags: 0x870(dirty|lru|active|private)
Nov 23 21:20:16 localhost kernel: [  513.121938] addr:0001e000 vm_flags:08101871 anon_vma:ed0f9f00 mapping:ede3c6ac index:e
Nov 23 21:20:16 localhost kernel: [  513.121957] vma->vm_ops->fault: filemap_fault+0x0/0x3ec
Nov 23 21:20:16 localhost kernel: [  513.121977] vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x60
Nov 23 21:20:16 localhost kernel: [  513.122011] [<c00422c4>] (unwind_backtrace+0x0/0xe0) from [<c04e3658>] (print_bad_pte+0x15c/0x188)
Nov 23 21:20:16 localhost kernel: [  513.122045] [<c04e3658>] (print_bad_pte+0x15c/0x188) from [<c00ffd90>] (unmap_vmas+0x368/0x630)
Nov 23 21:20:16 localhost kernel: [  513.122074] [<c00ffd90>] (unmap_vmas+0x368/0x630) from [<c0103f64>] (exit_mmap+0xb0/0x164)
Nov 23 21:20:16 localhost kernel: [  513.122099] [<c0103f64>] (exit_mmap+0xb0/0x164) from [<c00779cc>] (mmput+0x3c/0xf8)
Nov 23 21:20:16 localhost kernel: [  513.122128] [<c00779cc>] (mmput+0x3c/0xf8) from [<c0122480>] (flush_old_exec+0x428/0x540)
Nov 23 21:20:16 localhost kernel: [  513.122160] [<c0122480>] (flush_old_exec+0x428/0x540) from [<c0156840>] (load_elf_binary+0x37c/0x1288)
Nov 23 21:20:16 localhost kernel: [  513.