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:
 [<ffffffff81eb0e89>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb0e89>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8141f835>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff81cb8ace>] ext4_handle_error.part.116.cold.124+0x1e/0x1e fs/ext4/super.c:426
 [<ffffffff817c3051>] ext4_handle_error fs/ext4/super.c:403 [inline]
 [<ffffffff817c3051>] __ext4_error_inode+0x251/0x350 fs/ext4/super.c:481
 [<ffffffff81744a0b>] ext4_iget+0xa5b/0x3600 fs/ext4/inode.c:4557
 [<ffffffff817d383e>] ext4_fill_super+0x659e/0xb260 fs/ext4/super.c:4088
 [<ffffffff81579c17>] mount_bdev+0x2c7/0x390 fs/super.c:1100
 [<ffffffff817a94c4>] ext4_mount+0x34/0x40 fs/ext4/super.c:5558
 [<ffffffff8157b99c>] mount_fs+0x28c/0x370 fs/super.c:1206
 [<ffffffff815daf41>] vfs_kern_mount.part.29+0xd1/0x3d0 fs/namespace.c:991
 [<ffffffff815e2869>] vfs_kern_mount fs/namespace.c:973 [inline]
 [<ffffffff815e2869>] do_new_mount fs/namespace.c:2513 [inline]
 [<ffffffff815e2869>] do_mount+0x3c9/0x2740 fs/namespace.c:2835
 [<ffffffff815e55be>] SYSC_mount fs/namespace.c:3051 [inline]
 [<ffffffff815e55be>] SyS_mount+0xfe/0x110 fs/namespace.c:3028
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839f4653>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..