EXT4-fs (loop0): Mount option "nouser_xattr" will be removed by 3.5
Contact linux-ext4@vger.kernel.org if you think we should keep it.
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UBSAN: shift-out-of-bounds in fs/ext4/super.c:2502:15
shift exponent 1919383155 is too large for 32-bit type 'int'
CPU: 0 PID: 5062 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
 parse_options+0x287a/0x28e0 fs/ext4/super.c:2502
 ext4_fill_super+0x200e/0x95a0 fs/ext4/super.c:4217
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4408d2370a
Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f44080b3ed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f44080b3f70 RCX: 00007f4408d2370a
RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007f44080b3f30
RBP: 0000000020000040 R08: 00007f44080b3f70 R09: 0000000000004500
R10: 0000000000004500 R11: 0000000000000246 R12: 0000000020000500
R13: 00007f44080b3f30 R14: 00000000000004b4 R15: 00000000200003c0
 </TASK>
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