That made no difference.
My configuration: seccomp_sandbox=NO Listen=YES #Listen_IPV6 Anonymous=YES #Local_enabled=YES #Write_enabled=YES
This is taken from the kernel log (also visible in the syslogs).
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160354] BUG: Bad page map in process vsftpd pte:8000000000000965 pmd:23042067 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160372] page:ffffea0000000000 count:-259 mapcount:-259 mapping: (null) index:0x0 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160379] page flags: 0x10(dirty) Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160387] addr:00007fd251b67000 vm_flags:08100071 anon_vma:ffff88002381d700 mapping: (null) index:7fd251b67 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160397] CPU: 0 PID: 14426 Comm: vsftpd Tainted: G B 3.13.0-24-generic #46-Ubuntu Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160399] ffff880023ca6c00 ffff880016565c70 ffffffff81715a64 00007fd251b67000 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160404] ffff880016565cb8 ffffffff81174183 8000000ffa106965 00000007fd251b67 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160408] ffff880023042b38 ffffea0000000000 00007fd251b67000 00007fd251b68000 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160411] Call Trace: Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160421] [<ffffffff81715a64>] dump_stack+0x45/0x56 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160427] [<ffffffff81174183>] print_bad_pte+0x1a3/0x250 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160430] [<ffffffff81175b67>] unmap_page_range+0x717/0x7f0 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160433] [<ffffffff81175cc1>] unmap_single_vma+0x81/0xf0 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160436] [<ffffffff81176d39>] unmap_vmas+0x49/0x90 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160441] [<ffffffff8117feec>] exit_mmap+0x9c/0x170 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160445] [<ffffffff8106482c>] mmput+0x5c/0x120 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160449] [<ffffffff81069bbc>] do_exit+0x26c/0xa50 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160453] [<ffffffff8109dd84>] ? vtime_account_user+0x54/0x60 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160459] [<ffffffff8114d52f>] ? context_tracking_user_exit+0x4f/0xc0 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160462] [<ffffffff8106a41f>] do_group_exit+0x3f/0xa0 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160465] [<ffffffff8106a494>] SyS_exit_group+0x14/0x20 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160469] [<ffffffff8172663f>] tracesys+0xe1/0xe6 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160552] BUG: Bad rss-counter state mm:ffff8800030af500 idx:0 val:-1 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160559] BUG: Bad rss-counter state mm:ffff8800030af500 idx:1 val:1 Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.195341] BUG: Bad page map in process vsftpd pte:8000000000000965 pmd:23d36067
That made no difference.
My configuration:
seccomp_sandbox=NO
Listen=YES
#Listen_IPV6
Anonymous=YES
#Local_enabled=YES
#Write_enabled=YES
This is taken from the kernel log (also visible in the syslogs).
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160354] BUG: Bad page map in process vsftpd pte:80000000000 00965 pmd:23042067 000000 count:-259 mapcount:-259 mapping: (null) index:0x0 b67000 vm_flags:08100071 anon_vma: ffff88002381d70 0 mapping: (null) index:7fd251b67 a64>] dump_stack+ 0x45/0x56 183>] print_bad_ pte+0x1a3/ 0x250 b67>] unmap_page_ range+0x717/ 0x7f0 cc1>] unmap_single_ vma+0x81/ 0xf0 d39>] unmap_vmas+ 0x49/0x90 eec>] exit_mmap+ 0x9c/0x170 82c>] mmput+0x5c/0x120 bbc>] do_exit+0x26c/0xa50 d84>] ? vtime_account_ user+0x54/ 0x60 52f>] ? context_ tracking_ user_exit+ 0x4f/0xc0 41f>] do_group_ exit+0x3f/ 0xa0 494>] SyS_exit_ group+0x14/ 0x20 63f>] tracesys+0xe1/0xe6 00965 pmd:23d36067
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160372] page:ffffea0000
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160379] page flags: 0x10(dirty)
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160387] addr:00007fd251
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160397] CPU: 0 PID: 14426 Comm: vsftpd Tainted: G B 3.13.0-24-generic #46-Ubuntu
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160399] ffff880023ca6c00 ffff880016565c70 ffffffff81715a64 00007fd251b67000
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160404] ffff880016565cb8 ffffffff81174183 8000000ffa106965 00000007fd251b67
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160408] ffff880023042b38 ffffea0000000000 00007fd251b67000 00007fd251b68000
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160411] Call Trace:
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160421] [<ffffffff81715
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160427] [<ffffffff81174
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160430] [<ffffffff81175
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160433] [<ffffffff81175
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160436] [<ffffffff81176
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160441] [<ffffffff8117f
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160445] [<ffffffff81064
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160449] [<ffffffff81069
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160453] [<ffffffff8109d
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160459] [<ffffffff8114d
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160462] [<ffffffff8106a
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160465] [<ffffffff8106a
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160469] [<ffffffff81726
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160552] BUG: Bad rss-counter state mm:ffff8800030af500 idx:0 val:-1
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.160559] BUG: Bad rss-counter state mm:ffff8800030af500 idx:1 val:1
Apr 29 19:03:44 ip-10-34-255-23 kernel: [21095107.195341] BUG: Bad page map in process vsftpd pte:80000000000