EXT4-fs: Ignoring removed mblk_io_submit option
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UBSAN: shift-out-of-bounds in fs/ext4/super.c:2714:15
shift exponent 808464432 is too large for 32-bit type 'int'
CPU: 1 PID: 569 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 dump_stack+0x15/0x24 lib/dump_stack.c:113
 ubsan_epilogue+0xe/0x40 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
 ext4_check_opt_consistency+0x13f0/0x1780 fs/ext4/super.c:2714
 ext4_reconfigure+0xc7/0x2800 fs/ext4/super.c:6662
 reconfigure_super+0x225/0x890 fs/super.c:977
 do_remount fs/namespace.c:2741 [inline]
 path_mount+0xdea/0x1010 fs/namespace.c:3400
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3606
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3606
 x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff7a9b90eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff7aa9f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff7aa9f7ef0 RCX: 00007ff7a9b90eea
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 0000200000000180 R08: 00007ff7aa9f7ef0 R09: 0000000001b7a434
R10: 0000000001b7a434 R11: 0000000000000246 R12: 0000200000000000
R13: 00007ff7aa9f7eb0 R14: 0000000000000000 R15: 00002000000003c0
 </TASK>
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