WARNING in f2fs_grab_read_bio

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1465fe04880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=c27f7c87e504f68f0e15
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c27f7c...@syzkaller.appspotmail.com

genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
F2FS-fs (loop2): access invalid blkaddr:1804140544
------------[ cut here ]------------
genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
WARNING: CPU: 0 PID: 19425 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 ...

genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
__sys_sendmsg net/socket.c:2265 [inline]
__do_sys_sendmsg net/socket.c:2274 [inline]
__se_sys_sendmsg net/socket.c:2272 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f279150a5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f278fe5d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f279162c050 RCX: 00007f279150a5a9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000005
RBP: 00007f2791565580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeeb9e008f R14: 00007f278fe5d300 R15: 0000000000022000
CPU: 0 PID: 19425 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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:ffff8880b2d57060 EFLAGS: 00010282
RAX: 0000000000000024 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed10165aadfe
RBP: ffff888057b15140 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 000000006b890000
R13: ffff8880b3dd7340 R14: 0000000000004000 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_slow+0x246/0x4a0 fs/namei.c:1672
lookup_slow fs/namei.c:1689 [inline]
lookup_one_len_unlocked+0x120/0x140 fs/namei.c:2573
dquot_quota_on_mount+0x56/0x150 fs/quota/dquot.c:2504
f2fs_quota_on_mount fs/f2fs/super.c:1705 [inline]
f2fs_enable_quota_files+0x1a6/0x310 fs/f2fs/super.c:1726
f2fs_recover_fsync_data+0x155/0x7e50 fs/f2fs/recovery.c:689
f2fs_fill_super+0x386f/0x7050 fs/f2fs/super.c:3113
mount_bdev+0x2fc/0x3b0 fs/super.c:1158
mount_fs+0xa3/0x310 fs/super.c:1261
vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
vfs_kern_mount fs/namespace.c:951 [inline]
do_new_mount fs/namespace.c:2492 [inline]
do_mount+0x115c/0x2f50 fs/namespace.c:2822
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe60ef97ada
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fe60d909f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fe60ef97ada
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fe60d909fe0
RBP: 00007fe60d90a020 R08: 00007fe60d90a020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fe60d909fe0 R15: 00000000200007c0
Kernel Offset: disabled
Rebooting in 86400 seconds..


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.