EXT4-fs (loop4): mounting ext3 file system using the ext4 subsystem
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UBSAN: shift-out-of-bounds in fs/ext4/super.c:4409:27
shift exponent 1970238055 is too large for 32-bit type 'int'
CPU: 1 PID: 8654 Comm: syz-executor.4 Not tainted 6.4.0-syzkaller-12365-g8689f4f2ea56 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 lib/ubsan.c:387
 ext4_handle_clustersize+0x592/0x5c0 fs/ext4/super.c:4409
 __ext4_fill_super fs/ext4/super.c:5287 [inline]
 ext4_fill_super+0x3a14/0x6ce0 fs/ext4/super.c:5696
 get_tree_bdev+0x468/0x6c0 fs/super.c:1318
 vfs_get_tree+0x8c/0x270 fs/super.c:1519
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff30748d8ba
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff308286f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000000043e RCX: 00007ff30748d8ba
RDX: 0000000020000080 RSI: 0000000020000480 RDI: 00007ff308286fe0
RBP: 00007ff308287020 R08: 00007ff308287020 R09: 00000000c0ed0006
R10: 00000000c0ed0006 R11: 0000000000000202 R12: 0000000020000080
R13: 0000000020000480 R14: 00007ff308286fe0 R15: 0000000020000140
 </TASK>
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