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Fri, 08 May 2026 16:03:22 -0700 (PDT) Date: Fri, 08 May 2026 16:03:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69fe6bba.050a0220.1036b8.0004.GAE@google.com> From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com X-Headers-End: 1wLUEH-0001hY-E2 Subject: [f2fs-dev] [syzbot] [f2fs?] INFO: trying to register non-static key in f2fs_exist_written_data X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Hello, syzbot found the following issue on: HEAD commit: 9d0d467c3572 Add linux-next specific files for 20260504 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1654656a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ef1c15606892fce1 dashboard link: https://syzkaller.appspot.com/bug?extid=eec8f2693d71386bd600 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=157331ce580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=161b4a73980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/a19ae01a3069/disk-9d0d467c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/29f12fe616bd/vmlinux-9d0d467c.xz kernel image: https://storage.googleapis.com/syzbot-assets/eea74c667054/bzImage-9d0d467c.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/45693b275dc4/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=117331ce580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+eec8f2693d71386bd600@syzkaller.appspotmail.com F2FS-fs (loop0): Image doesn't support compression F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Failed to get valid F2FS checkpoint INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 5928 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:986 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1301 __lock_acquire+0xad/0x2d10 kernel/locking/lockdep.c:5114 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5870 rt_spin_lock+0x83/0x400 kernel/locking/spinlock_rt.c:56 spin_lock include/linux/spinlock_rt.h:45 [inline] f2fs_exist_written_data+0x53/0x90 fs/f2fs/checkpoint.c:787 f2fs_drop_inode+0xda/0xbf0 fs/f2fs/super.c:1852 iput_final fs/inode.c:1926 [inline] iput+0x651/0xe80 fs/inode.c:2009 f2fs_fill_super+0x6047/0x7850 fs/f2fs/super.c:5461 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3758 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3834 do_mount fs/namespace.c:4167 [inline] __do_sys_mount fs/namespace.c:4383 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4360 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f39fca4e04a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcfe531b98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffcfe531c20 RCX: 00007f39fca4e04a RDX: 0000200000000140 RSI: 00002000000000c0 RDI: 00007ffcfe531be0 RBP: 0000200000000140 R08: 00007ffcfe531c20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0 R13: 00007ffcfe531be0 R14: 0000000000005553 R15: 00002000000003c0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel