[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 60.503143][ T8467] loop0: detected capacity change from 4096 to 0 [ 60.512055][ T8467] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (1333371869184 > 6144). [ 60.524924][ T8467] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix. [ 60.545671][ T8467] EXT4-fs (loop0): mount failed executing program [ 65.940865][ T8474] loop0: detected capacity change from 4096 to 0 [ 65.949339][ T8474] Quota error (device loop0): v2_read_file_info: Number of blocks too big for quota file size (1333371869184 > 6144). [ 65.961747][ T8474] EXT4-fs warning (device loop0): ext4_enable_quotas:6430: Failed to enable quota tracking (type=1, err=-117). Please run e2fsck to fix. [ 65.984178][ T8474] EXT4-fs (loop0): mount failed [ 67.109766][ T8466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 73.385410][ T8466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888111f8aa40 (size 64): comm "syz-executor065", pid 8467, jiffies 4294943311 (age 12.940s) hex dump (first 32 bytes): 00 10 34 0f 81 88 ff ff 01 00 00 00 06 ca 9c 4d ..4............M ad 71 ed 5d 49 e5 ce 55 0a 00 00 00 48 00 00 00 .q.]I..U....H... backtrace: [<00000000cb424592>] v2_read_file_info+0x1ae/0x430 [<000000004a000935>] dquot_load_quota_sb+0x351/0x650 [<00000000201105c9>] dquot_load_quota_inode+0xda/0x160 [<00000000d5077e56>] ext4_enable_quotas+0x1b2/0x2f0 [<00000000adab3a7c>] ext4_fill_super+0x3fa5/0x5ad0 [<00000000f6014da0>] mount_bdev+0x223/0x260 [<000000005383942c>] legacy_get_tree+0x2b/0x90 [<00000000c8cb8a41>] vfs_get_tree+0x28/0x100 [<00000000b8e6c1f0>] path_mount+0xc5e/0x1170 [<000000001eb026cc>] __x64_sys_mount+0x18e/0x1d0 [<0000000056f03224>] do_syscall_64+0x2d/0x70 [<000000004d64be53>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810d3d18c0 (size 64): comm "syz-executor065", pid 8474, jiffies 4294943855 (age 7.500s) hex dump (first 32 bytes): 00 18 34 0f 81 88 ff ff 01 00 00 00 06 ca 9c 4d ..4............M ad 71 ed 5d 49 e5 ce 55 0a 00 00 00 48 00 00 00 .q.]I..U....H... backtrace: [<00000000cb424592>] v2_read_file_info+0x1ae/0x430 [<000000004a000935>] dquot_load_quota_sb+0x351/0x650 [<00000000201105c9>] dquot_load_quota_inode+0xda/0x160 [<00000000d5077e56>] ext4_enable_quotas+0x1b2/0x2f0 [<00000000adab3a7c>] ext4_fill_super+0x3fa5/0x5ad0 [<00000000f6014da0>] mount_bdev+0x223/0x260 [<000000005383942c>] legacy_get_tree+0x2b/0x90 [<00000000c8cb8a41>] vfs_get_tree+0x28/0x100 [<00000000b8e6c1f0>] path_mount+0xc5e/0x1170 [<000000001eb026cc>] __x64_sys_mount+0x18e/0x1d0 [<0000000056f03224>] do_syscall_64+0x2d/0x70 [<000000004d64be53>] entry_SYSCALL_64_after_hwframe+0x44/0xa9