Hello, syzbot found the following issue on: HEAD commit: f9ff5644bcc0 Merge tag 'hsi-for-6.2' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=168fd1f0480000 kernel config: https://syzkaller.appspot.com/x/.config?x=ea51bad86b095bab dashboard link: https://syzkaller.appspot.com/bug?extid=38daa8d09e2bde63614c 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=1427ed10480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1340b05f880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5afa364baa22/disk-f9ff5644.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/eceb2cb98557/vmlinux-f9ff5644.xz kernel image: https://storage.googleapis.com/syzbot-assets/974bb6f9809b/bzImage-f9ff5644.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/395742fd36dd/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+38daa8d09e2bde63614c@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff88810c37aa80 (size 192): comm "syz-executor428", pid 5076, jiffies 4294957825 (age 12.820s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 01 00 00 00 03 00 00 00 ................ backtrace: [<ffffffff814f8270>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1062 [<ffffffff8178f011>] kmalloc include/linux/slab.h:580 [inline] [<ffffffff8178f011>] kzalloc include/linux/slab.h:720 [inline] [<ffffffff8178f011>] alloc_journal_list+0x21/0xc0 fs/reiserfs/journal.c:2571 [<ffffffff8179311f>] journal_list_init fs/reiserfs/journal.c:2585 [inline] [<ffffffff8179311f>] journal_init+0x7bf/0x1fc0 fs/reiserfs/journal.c:2840 [<ffffffff8177e93f>] reiserfs_fill_super+0x61f/0x15d0 fs/reiserfs/super.c:2022 [<ffffffff8160e263>] mount_bdev+0x223/0x260 fs/super.c:1359 [<ffffffff8167270b>] legacy_get_tree+0x2b/0x90 fs/fs_context.c:610 [<ffffffff8160bde8>] vfs_get_tree+0x28/0x100 fs/super.c:1489 [<ffffffff8164fc87>] do_new_mount fs/namespace.c:3145 [inline] [<ffffffff8164fc87>] path_mount+0xc37/0x10d0 fs/namespace.c:3475 [<ffffffff816508be>] do_mount fs/namespace.c:3488 [inline] [<ffffffff816508be>] __do_sys_mount fs/namespace.c:3697 [inline] [<ffffffff816508be>] __se_sys_mount fs/namespace.c:3674 [inline] [<ffffffff816508be>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3674 [<ffffffff8489f645>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8489f645>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84a00087>] 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
