EXT4-fs (loop2): Block reservation details
EXT4-fs (loop2): i_reserved_data_blocks=1
EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 3 with error 28
F2FS-fs (loop1): access invalid blkaddr:2
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8624 at fs/f2fs/checkpoint.c:166 f2fs_is_valid_blkaddr+0x35d/0xa20 fs/f2fs/checkpoint.c:166
Kernel panic - not syncing: panic_on_warn set ...

EXT4-fs (loop2): This should not happen!! Data will be lost

CPU: 0 PID: 8624 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:f2fs_is_valid_blkaddr+0x35d/0xa20 fs/f2fs/checkpoint.c:166
Code: 7a 06 00 00 48 8b 7d 00 44 89 e1 48 c7 c2 40 1a a8 88 48 c7 c6 e0 18 a8 88 e8 bf fa fd ff 48 c7 c7 80 1a a8 88 e8 fe 34 de 04 <0f> 0b 45 31 ed e9 3f fe ff ff e8 84 03 4d fe 48 8d bd 40 01 00 00
RSP: 0018:ffff88805344f8c8 EFLAGS: 00010282
RAX: 0000000000000024 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed100a689f0b
RBP: ffff88809bbb1940 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000001 R14: 0000000000001000 R15: 0000000000000200
 f2fs_grab_read_bio+0x82/0x540 fs/f2fs/data.c:559
 f2fs_submit_page_read+0x2e/0xd60 fs/f2fs/data.c:589
 f2fs_get_read_data_page+0x910/0x1250 fs/f2fs/data.c:764
 f2fs_find_data_page+0x1ae/0x7f0 fs/f2fs/data.c:784
 find_in_level fs/f2fs/dir.c:174 [inline]
 __f2fs_find_entry+0x3f6/0xb90 fs/f2fs/dir.c:231
 f2fs_lookup+0x287/0x1140 fs/f2fs/namei.c:449
 __lookup_hash+0x117/0x180 fs/namei.c:1547
 filename_create+0x186/0x490 fs/namei.c:3639
 user_path_create fs/namei.c:3696 [inline]
 do_mkdirat+0xa0/0x2d0 fs/namei.c:3834
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f283d9700f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f283bee2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f283da8ff80 RCX: 00007f283d9700f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f283d9cbae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0d485ccf R14: 00007f283bee2300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..