On Wed, Sep 20, 2023 at 11:52:48PM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: f0b0d403eabb Merge tag 'kbuild-fixes-v6.6' of git://git.ke.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=144e498c680000 > kernel config: https://syzkaller.appspot.com/x/.config?x=943a94479fa8e863 > dashboard link: https://syzkaller.appspot.com/bug?extid=5f1acda7e06a2298fae6 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161ac702680000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16515418680000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/47695e593bcd/disk-f0b0d403.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/306f9aca0df9/vmlinux-f0b0d403.xz > kernel image: https://storage.googleapis.com/syzbot-assets/25549b4deb42/bzImage-f0b0d403.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+5f1acda7e06a2298fae6@xxxxxxxxxxxxxxxxxxxxxxxxx > > BUG: memory leak > unreferenced object 0xffff888114ac69c0 (size 48): > comm "syz-executor199", pid 5124, jiffies 4294947402 (age 21.830s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 01 46 00 00 03 00 00 00 .........F...... > 00 00 00 00 00 00 00 00 00 81 0f 09 81 88 ff ff ................ > backtrace: > [<ffffffff816b06bd>] fasync_alloc fs/fcntl.c:892 [inline] > [<ffffffff816b06bd>] fasync_add_entry fs/fcntl.c:950 [inline] > [<ffffffff816b06bd>] fasync_helper+0x3d/0xc0 fs/fcntl.c:979 > [<ffffffff83e8f2cb>] sock_fasync+0x4b/0xa0 net/socket.c:1427 #syz set subsystems: net