Hello, syzbot found the following issue on: HEAD commit: f8566aa4f176 Merge tag 'x86-urgent-2023-07-01' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10443370a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=87bd445ea3f7a661 dashboard link: https://syzkaller.appspot.com/bug?extid=4ee56df41d0cc0f0783a compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=172d3d14a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=143b6648a80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9c2c2ab2bd05/disk-f8566aa4.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/0af022babece/vmlinux-f8566aa4.xz kernel image: https://storage.googleapis.com/syzbot-assets/e335287813f6/bzImage-f8566aa4.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/2f0686bcdcb4/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4ee56df41d0cc0f0783a@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff88810aa24000 (size 8192): comm "syz-executor334", pid 5004, jiffies 4294954804 (age 12.830s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8154c55a>] __do_kmalloc_node mm/slab_common.c:984 [inline] [<ffffffff8154c55a>] __kmalloc+0x4a/0x120 mm/slab_common.c:998 [<ffffffff821964d9>] kmalloc include/linux/slab.h:583 [inline] [<ffffffff821964d9>] kzalloc include/linux/slab.h:700 [inline] [<ffffffff821964d9>] gfs2_quota_init+0xd9/0x770 fs/gfs2/quota.c:1373 [<ffffffff821a1aef>] gfs2_make_fs_rw+0x11f/0x200 fs/gfs2/super.c:155 [<ffffffff8218a1cf>] gfs2_reconfigure+0x3cf/0x530 fs/gfs2/ops_fstype.c:1602 [<ffffffff81665d5c>] reconfigure_super+0x14c/0x3e0 fs/super.c:961 [<ffffffff816cd5cb>] vfs_fsconfig_locked fs/fsopen.c:254 [inline] [<ffffffff816cd5cb>] __do_sys_fsconfig+0x80b/0x8d0 fs/fsopen.c:439 [<ffffffff84a6bff9>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84a6bff9>] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810f360000 (size 8192): comm "syz-executor334", pid 5007, jiffies 4294955349 (age 7.380s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8154c55a>] __do_kmalloc_node mm/slab_common.c:984 [inline] [<ffffffff8154c55a>] __kmalloc+0x4a/0x120 mm/slab_common.c:998 [<ffffffff821964d9>] kmalloc include/linux/slab.h:583 [inline] [<ffffffff821964d9>] kzalloc include/linux/slab.h:700 [inline] [<ffffffff821964d9>] gfs2_quota_init+0xd9/0x770 fs/gfs2/quota.c:1373 [<ffffffff821a1aef>] gfs2_make_fs_rw+0x11f/0x200 fs/gfs2/super.c:155 [<ffffffff8218a1cf>] gfs2_reconfigure+0x3cf/0x530 fs/gfs2/ops_fstype.c:1602 [<ffffffff81665d5c>] reconfigure_super+0x14c/0x3e0 fs/super.c:961 [<ffffffff816cd5cb>] vfs_fsconfig_locked fs/fsopen.c:254 [inline] [<ffffffff816cd5cb>] __do_sys_fsconfig+0x80b/0x8d0 fs/fsopen.c:439 [<ffffffff84a6bff9>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff84a6bff9>] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd --- 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@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, 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 change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
