F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): access invalid blkaddr:16777216
F2FS-fs (loop4): Mismatch start address, segment0(512) cp_blkaddr(605)
F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9568 at fs/f2fs/checkpoint.c:150 f2fs_is_valid_blkaddr+0x2d9/0x920 fs/f2fs/checkpoint.c:148
Kernel panic - not syncing: kernel: panic_on_warn set ...

CPU: 1 PID: 9568 Comm: syz-executor.0 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x21d/0x451 kernel/panic.c:247
 check_panic_on_warn.cold+0x19/0x35 kernel/panic.c:171
 __warn+0xdf/0x1e0 kernel/panic.c:603
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
F2FS-fs (loop4): invalid crc value
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
RIP: 0010:f2fs_is_valid_blkaddr+0x2d9/0x920 fs/f2fs/checkpoint.c:150
RSP: 0018:ffff88804c01fa00 EFLAGS: 00010282
RAX: dffffc0000000000 RBX: ffff8880b5386740 RCX: ffffc90005bca000
RDX: 0000000000040000 RSI: ffffffff82c5b73e RDI: ffffed1009803f1a
RBP: 0000000000000005 R08: 0000000000000030 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000001000000
R13: ffff8880a1460e40 R14: 0000000000000009 R15: 0000000000000200
F2FS-fs (loop4): Found nat_bits in checkpoint
 __written_first_block fs/f2fs/inode.c:72 [inline]
 do_read_inode fs/f2fs/inode.c:313 [inline]
 f2fs_iget+0x11b0/0x3760 fs/f2fs/inode.c:360
 f2fs_fill_super+0x30ac/0x56a0 fs/f2fs/super.c:2622
 mount_bdev+0x2b3/0x360 fs/super.c:1134
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fa64f81562a
RSP: 002b:00007fa64dd85f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000008ece RCX: 00007fa64f81562a
RDX: 0000000020010240 RSI: 00000000200000c0 RDI: 00007fa64dd85fe0
RBP: 00007fa64dd86020 R08: 00007fa64dd86020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020010240
R13: 00000000200000c0 R14: 00007fa64dd85fe0 R15: 0000000020009800
Kernel Offset: disabled
Rebooting in 86400 seconds..