syzbot <syzbot+ef0d7bc412553291aa86@xxxxxxxxxxxxxxxxxxxxxxxxx> writes: > Hello, > > syzbot found the following issue on: > > HEAD commit: e7ed34365879 Merge tag 'mailbox-v6.12' of git://git.kernel.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=11b54ea9980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=92da5062b0d65389 > dashboard link: https://syzkaller.appspot.com/bug?extid=ef0d7bc412553291aa86 > 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=14b7ed07980000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101dfd9f980000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/66cc3d8c5c10/disk-e7ed3436.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/c7769a88b445/vmlinux-e7ed3436.xz > kernel image: https://storage.googleapis.com/syzbot-assets/c1fe4c6ee436/bzImage-e7ed3436.xz > mounted in repro #1: https://storage.googleapis.com/syzbot-assets/2ab98c65fd49/mount_0.gz > mounted in repro #2: https://storage.googleapis.com/syzbot-assets/7ffc0eb73060/mount_5.gz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+ef0d7bc412553291aa86@xxxxxxxxxxxxxxxxxxxxxxxxx The patch fixes this bug. Please apply. Thanks. From: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> Subject: [PATCH] fat: Fix uninitialized variable Date: Fri, 04 Oct 2024 15:03:49 +0900 Reported-by: syzbot+ef0d7bc412553291aa86@xxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> --- fs/fat/namei_vfat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 6423e1d..15bf32c 100644 --- a/fs/fat/namei_vfat.c 2024-10-04 14:51:50.473038530 +0900 +++ b/fs/fat/namei_vfat.c 2024-10-04 14:56:53.108618655 +0900 @@ -1037,7 +1037,7 @@ error_inode: if (corrupt < 0) { fat_fs_error(new_dir->i_sb, "%s: Filesystem corrupted (i_pos %lld)", - __func__, sinfo.i_pos); + __func__, new_i_pos); } goto out; } _ -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
