Hello, syzbot found the following issue on:
HEAD commit: 9e6869691724 Add linux-next specific files for 20240812 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=177ea68d980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61ba6f3b22ee5467 dashboard link: https://syzkaller.appspot.com/bug?extid=78ff2855f26377625419 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13deecd5980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12c1fdd9980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f1b086192f50/disk-9e686969.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b457920fb52e/vmlinux-9e686969.xz kernel image: https://storage.googleapis.com/syzbot-assets/e63ba9cce98a/bzImage-9e686969.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/a0c7f05fa485/mount_0.gz The issue was bisected to: commit 7566a155c666dd23b413a002a50cd9ae7b95f053 Author: Chao Yu <c...@kernel.org> Date: Tue Jun 25 03:13:49 2024 +0000 f2fs: atomic: fix to not allow GC to pollute atomic_file bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1255068d980000 final oops: https://syzkaller.appspot.com/x/report.txt?x=1155068d980000 console output: https://syzkaller.appspot.com/x/log.txt?x=1655068d980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+78ff2855f26377625...@syzkaller.appspotmail.com Fixes: 7566a155c666 ("f2fs: atomic: fix to not allow GC to pollute atomic_file") F2FS-fs (loop0): Found nat_bits in checkpoint F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 syz-executor306: attempt to access beyond end of device loop0: rw=2049, sector=45096, nr_sectors = 64 limit=40427 ================================================ WARNING: lock held when returning to user space! 6.11.0-rc3-next-20240812-syzkaller #0 Not tainted ------------------------------------------------ syz-executor306/5229 is leaving the kernel with locks still held! 1 lock held by syz-executor306/5229: #0: ffff8880473a18b0 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2196 [inline] #0: ffff8880473a18b0 (&fi->i_gc_rwsem[WRITE]){+.+.}-{3:3}, at: f2fs_commit_atomic_write+0x105/0x1510 fs/f2fs/segment.c:388 --- 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 syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection 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
