================================================================================
UBSAN: shift-out-of-bounds in fs/f2fs/super.c:911:5
shift exponent 170 is too large for 32-bit type 'int'
CPU: 0 PID: 1388 Comm: syz.2.308 Tainted: G        W         5.15.182-syzkaller-00462-g57725b368731 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 dump_stack+0x15/0x20 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
 parse_options+0x442f/0x4460 fs/f2fs/super.c:911
 f2fs_fill_super+0x1f9d/0x6d10 fs/f2fs/super.c:4166
 mount_bdev+0x2ae/0x3e0 fs/super.c:1400
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4635
 legacy_get_tree+0xed/0x190 fs/fs_context.c:611
 vfs_get_tree+0x89/0x260 fs/super.c:1530
 do_new_mount+0x25a/0xa20 fs/namespace.c:3013
 path_mount+0x675/0x1020 fs/namespace.c:3343
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3541
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3541
 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 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: 0033:0x7f8b5383c10a
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:00007f8b51ea2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8b51ea2ef0 RCX: 00007f8b5383c10a
RDX: 0000200000000140 RSI: 00002000000000c0 RDI: 00007f8b51ea2eb0
RBP: 0000200000000140 R08: 00007f8b51ea2ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
R13: 00007f8b51ea2eb0 R14: 0000000000005505 R15: 0000200000000580
 </TASK>
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F2FS-fs (loop2): Not support 1024, larger than 256