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Sun, 08 Sep 2024 04:34:22 -0700 (PDT) Date: Sun, 08 Sep 2024 04:34:22 -0700 In-Reply-To: <00000000000047bf6a061d976fdb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009a38c906219a056f@google.com> Subject: Re: [syzbot] [hfs?] WARNING: ODEBUG bug in hfsplus_fill_super (3) From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: d1f2d51b711a Merge tag 'clk-fixes-for-linus' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=147f1ffb980000 kernel config: https://syzkaller.appspot.com/x/.config?x=58a85aa6925a8b78 dashboard link: https://syzkaller.appspot.com/bug?extid=dd02382b022192737ea3 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=11b6589f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=127f1ffb980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8b52ee4d6014/disk-d1f2d51b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3409402d9dfd/vmlinux-d1f2d51b.xz kernel image: https://storage.googleapis.com/syzbot-assets/7da5cc92617b/bzImage-d1f2d51b.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/73e23808204f/mount_3.gz mounted in repro #2: https://storage.googleapis.com/syzbot-assets/0d235c82b3b0/mount_19.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dd02382b022192737ea3@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff88807c180238 object type: timer_list hint: delayed_sync_fs+0x0/0xf0 WARNING: CPU: 0 PID: 5700 at lib/debugobjects.c:518 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515 Modules linked in: CPU: 0 UID: 0 PID: 5700 Comm: syz-executor651 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515 Code: e8 0b 84 40 fd 4c 8b 0b 48 c7 c7 40 98 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 fb 60 9b fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 ec 59 5e 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc9000324f5b8 EFLAGS: 00010286 RAX: 098b313f44a3ce00 RBX: ffffffff8c0cc1a0 RCX: ffff888027455a00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8c6099c0 R08: ffffffff8155b372 R09: fffffbfff1cfa0e0 R10: dffffc0000000000 R11: fffffbfff1cfa0e0 R12: 0000000000000000 R13: ffffffff8c6098d8 R14: dffffc0000000000 R15: ffff88807c180238 FS: 00007f7e074f76c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000680 CR3: 0000000024282000 CR4: 0000000000350ef0 Call Trace: __debug_check_no_obj_freed lib/debugobjects.c:990 [inline] debug_check_no_obj_freed+0x45b/0x580 lib/debugobjects.c:1020 slab_free_hook mm/slub.c:2223 [inline] slab_free mm/slub.c:4477 [inline] kfree+0x10f/0x360 mm/slub.c:4598 hfsplus_fill_super+0xf25/0x1ca0 fs/hfsplus/super.c:618 mount_bdev+0x20c/0x2d0 fs/super.c:1679 legacy_get_tree+0xf0/0x190 fs/fs_context.c:662 vfs_get_tree+0x92/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7e0756d80a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7e074f6f98 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020002900 RCX: 00007f7e0756d80a RDX: 0000000020000100 RSI: 0000000020002900 RDI: 00007f7e074f6ff0 RBP: 0000000020000100 R08: 00007f7e074f7030 R09: 00000000000006ca R10: 0000000002000010 R11: 0000000000000286 R12: 00007f7e074f6ff0 R13: 00007f7e074f7030 R14: 00000000000006d0 R15: 00000000200022c0 --- 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.