EXT4-fs (loop3): Ignoring removed nomblk_io_submit option EXT4-fs (loop3): bad geometry: block count 4096 exceeds size of device (2 blocks) EXT4-fs error (device loop4): ext4_iget:4557: inode #2: comm syz-executor4: root inode unallocated Kernel panic - not syncing: EXT4-fs (device loop4): panic forced after error CPU: 0 PID: 17330 Comm: syz-executor4 Not tainted 4.9.98-g63a812b #17 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb55f590 ffffffff81eb0e89 ffffffff83cf6400 00000000ffffffff 0000000000000000 0000000000000000 ffff8801c0a2e718 ffff8801cb55f650 ffffffff8141f835 0000000041b58ab3 ffffffff843b86e8 ffffffff8141f676 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bf/0x3bc kernel/panic.c:179 [] ext4_handle_error.part.116.cold.124+0x1e/0x1e fs/ext4/super.c:426 [] ext4_handle_error fs/ext4/super.c:403 [inline] [] __ext4_error_inode+0x251/0x350 fs/ext4/super.c:481 [] ext4_iget+0xa5b/0x3600 fs/ext4/inode.c:4557 [] ext4_fill_super+0x659e/0xb260 fs/ext4/super.c:4088 [] mount_bdev+0x2c7/0x390 fs/super.c:1100 [] ext4_mount+0x34/0x40 fs/ext4/super.c:5558 [] mount_fs+0x28c/0x370 fs/super.c:1206 [] vfs_kern_mount.part.29+0xd1/0x3d0 fs/namespace.c:991 [] vfs_kern_mount fs/namespace.c:973 [inline] [] do_new_mount fs/namespace.c:2513 [inline] [] do_mount+0x3c9/0x2740 fs/namespace.c:2835 [] SYSC_mount fs/namespace.c:3051 [inline] [] SyS_mount+0xfe/0x110 fs/namespace.c:3028 [] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..