F2FS-fs (loop8): Invalid segment/section count (31, 24 x 1)
F2FS-fs (loop8): Can't find valid F2FS filesystem in 2th superblock
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UBSAN: shift-out-of-bounds in fs/f2fs/super.c:904:5
shift exponent 107 is too large for 32-bit type 'int'
CPU: 0 PID: 12677 Comm: syz.8.1328 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 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+0x4621/0x4630 fs/f2fs/super.c:904
 f2fs_fill_super+0x204b/0x6f00 fs/f2fs/super.c:4055
 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:3013
 do_mount fs/namespace.c:3356 [inline]
 __do_sys_mount fs/namespace.c:3564 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541
 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: 0033:0x7f6c36e1910a
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:00007f6c34c7ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6c34c7eef0 RCX: 00007f6c36e1910a
RDX: 0000200000000140 RSI: 0000200000000180 RDI: 00007f6c34c7eeb0
RBP: 0000200000000140 R08: 00007f6c34c7eef0 R09: 0000000000000040
R10: 0000000000000040 R11: 0000000000000246 R12: 0000200000000180
R13: 00007f6c34c7eeb0 R14: 0000000000005514 R15: 0000200000000800
 </TASK>
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