BUG: Bad page state in process udevd  pfn:472f0
name:"memfd:" 
page:ffffea00011cbc00 count:0 mapcount:0 mapping:ffff88800df2ad40 index:0xf
shmem_aops 
flags: 0x1fffc000008000c(uptodate|dirty|swapbacked)
raw: 01fffc000008000c ffffea0000ac4f08 ffff8880a85af890 ffff88800df2ad40
raw: 000000000000000f 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: non-NULL mapping
Modules linked in:
CPU: 1 PID: 7586 Comm: udevd Not tainted 5.0.0-rc6-next-20190213 #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 bad_page.cold+0xda/0xff mm/page_alloc.c:586
 free_pages_check_bad+0x142/0x1a0 mm/page_alloc.c:1014
 free_pages_check mm/page_alloc.c:1023 [inline]
 free_pages_prepare mm/page_alloc.c:1113 [inline]
 free_pcp_prepare mm/page_alloc.c:1138 [inline]
 free_unref_page_prepare mm/page_alloc.c:2991 [inline]
 free_unref_page_list+0x31d/0xc40 mm/page_alloc.c:3060
name:"memfd:" 
 release_pages+0x60d/0x1940 mm/swap.c:791
 pagevec_lru_move_fn+0x218/0x2a0 mm/swap.c:213
 __pagevec_lru_add mm/swap.c:917 [inline]
 lru_add_drain_cpu+0x2f7/0x520 mm/swap.c:581
 lru_add_drain+0x20/0x60 mm/swap.c:652
 exit_mmap+0x290/0x530 mm/mmap.c:3134
 __mmput kernel/fork.c:1047 [inline]
 mmput+0x15f/0x4c0 kernel/fork.c:1068
 exec_mmap fs/exec.c:1046 [inline]
 flush_old_exec+0x8d9/0x1c20 fs/exec.c:1279
 load_elf_binary+0x9bc/0x53f0 fs/binfmt_elf.c:864
 search_binary_handler fs/exec.c:1656 [inline]
 search_binary_handler+0x17f/0x570 fs/exec.c:1634
 exec_binprm fs/exec.c:1698 [inline]
 __do_execve_file.isra.0+0x1394/0x23f0 fs/exec.c:1818
 do_execveat_common fs/exec.c:1865 [inline]
 do_execve fs/exec.c:1882 [inline]
 __do_sys_execve fs/exec.c:1958 [inline]
 __se_sys_execve fs/exec.c:1953 [inline]
 __x64_sys_execve+0x8f/0xc0 fs/exec.c:1953
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc7001ba207
Code: Bad RIP value.
RSP: 002b:00007ffe06aa13b8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fc7001ba207
RDX: 0000000001fd5fd0 RSI: 00007ffe06aa14b0 RDI: 00007ffe06aa24c0
RBP: 0000000000625500 R08: 0000000000001c49 R09: 0000000000001c49
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fd5fd0
R13: 0000000000000007 R14: 0000000001fc6250 R15: 0000000000000005
BUG: Bad page state in process udevd  pfn:2b13c
page:ffffea0000ac4f00 count:0 mapcount:0 mapping:ffff88800df2ad40 index:0xe
shmem_aops 
flags: 0x1fffc000008000c(uptodate|dirty|swapbacked)
raw: 01fffc000008000c ffff8880a85af890 ffff8880a85af890 ffff88800df2ad40
raw: 000000000000000e 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: non-NULL mapping
Modules linked in:
CPU: 1 PID: 7586 Comm: udevd Tainted: G    B             5.0.0-rc6-next-20190213 #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 bad_page.cold+0xda/0xff mm/page_alloc.c:586
name:"memfd:" 
 free_pages_check_bad+0x142/0x1a0 mm/page_alloc.c:1014
 free_pages_check mm/page_alloc.c:1023 [inline]
 free_pages_prepare mm/page_alloc.c:1113 [inline]
 free_pcp_prepare mm/page_alloc.c:1138 [inline]
 free_unref_page_prepare mm/page_alloc.c:2991 [inline]
 free_unref_page_list+0x31d/0xc40 mm/page_alloc.c:3060
 release_pages+0x60d/0x1940 mm/swap.c:791
 pagevec_lru_move_fn+0x218/0x2a0 mm/swap.c:213
 __pagevec_lru_add mm/swap.c:917 [inline]
 lru_add_drain_cpu+0x2f7/0x520 mm/swap.c:581
 lru_add_drain+0x20/0x60 mm/swap.c:652
 exit_mmap+0x290/0x530 mm/mmap.c:3134
 __mmput kernel/fork.c:1047 [inline]
 mmput+0x15f/0x4c0 kernel/fork.c:1068
 exec_mmap fs/exec.c:1046 [inline]
 flush_old_exec+0x8d9/0x1c20 fs/exec.c:1279
 load_elf_binary+0x9bc/0x53f0 fs/binfmt_elf.c:864
 search_binary_handler fs/exec.c:1656 [inline]
 search_binary_handler+0x17f/0x570 fs/exec.c:1634
 exec_binprm fs/exec.c:1698 [inline]
 __do_execve_file.isra.0+0x1394/0x23f0 fs/exec.c:1818
 do_execveat_common fs/exec.c:1865 [inline]
 do_execve fs/exec.c:1882 [inline]
 __do_sys_execve fs/exec.c:1958 [inline]
 __se_sys_execve fs/exec.c:1953 [inline]
 __x64_sys_execve+0x8f/0xc0 fs/exec.c:1953
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc7001ba207
Code: Bad RIP value.
RSP: 002b:00007ffe06aa13b8 EFLAGS: 00000206 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fc7001ba207
RDX: 0000000001fd5fd0 RSI: 00007ffe06aa14b0 RDI: 00007ffe06aa24c0
RBP: 0000000000625500 R08: 0000000000001c49 R09: 0000000000001c49
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000001fd5fd0
R13: 0000000000000007 R14: 0000000001fc6250 R15: 0000000000000005