loop5: detected capacity change from 0 to 40427
F2FS-fs (loop5): Insane cp_payload (553648128 >= 504)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock
================================================================================
UBSAN: shift-out-of-bounds in fs/f2fs/super.c:901:5
shift exponent 118 is too large for 32-bit type 'int'
CPU: 0 PID: 3770 Comm: syz.5.978 Not tainted 5.15.173-syzkaller-00123-g6f0de8f8a165 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321
 parse_options+0x460f/0x4620 fs/f2fs/super.c:901
 f2fs_fill_super+0x2e83/0x8190 fs/f2fs/super.c:4154
 mount_bdev+0x282/0x3b0 fs/super.c:1400
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4623
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
 vfs_get_tree+0x88/0x290 fs/super.c:1530
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
 path_mount+0x671/0x1070 fs/namespace.c:3342
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff7e34e74ba
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:00007ff7e1b56e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff7e1b56ef0 RCX: 00007ff7e34e74ba
RDX: 0000000020000040 RSI: 0000000020000100 RDI: 00007ff7e1b56eb0
RBP: 0000000020000040 R08: 00007ff7e1b56ef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000100
R13: 00007ff7e1b56eb0 R14: 000000000000552d R15: 0000000020000240
 </TASK>
================================================================================
F2FS-fs (loop5): Not support 4194304, larger than 256
loop5: detected capacity change from 0 to 40427
F2FS-fs (loop5): Invalid log_blocksize (268), supports only 12
F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop5): invalid crc value
F2FS-fs (loop5): Found nat_bits in checkpoint
F2FS-fs (loop5): Try to recover 1th superblock, ret: 0
F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5