From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DB452868D for ; Sat, 21 Sep 2024 19:43:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726947803; cv=none; b=faroKqTWRfMg1Go+nGSiQOvcG20sC0uv8qNR+JVE60fpG4biaGA4Nq8I0ZplFaekuGBkblXJHNuc2Ibo7MxljrI4p8wGlG5yRTPVx9aWVI2fwV9yFdziXHpt7KsNis3ywzquFu9ZiDfuWAmCvBDJCgVpnV1YLte/oOFCYuq2l9E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726947803; c=relaxed/simple; bh=bf6v1VyGO8/kwORwl28Nv90TBtmEMiyiWecgQq+iOtA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=BbS5dQVcowjc3/u3/8xyBXe/M0JiHu5gY5R6ghTpb0VF0m1JL5Y84zkK+cOxDrx2AaqPHI1A/h2aKrGV3vGhYDjFlowA7DqgvzSKMqJXmgFFWR8fi/TK48uPBiFA2iHUTWzNdCZM5nQSapG+iaWeZ5EV8yNOuQwPuT54U/VQCz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a04c2472f6so33821785ab.0 for ; Sat, 21 Sep 2024 12:43:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726947799; x=1727552599; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=bjWLuVWnB1+w6IOx8FLl3w+J9AWvt9qhKoTVCfYx2h0=; b=nHKYSIRIMP9ynqZ8jZKqfRksEDJAqQYU2M9v4jFl/Pjjla/rD9tDKhFT7sbivR1iMT 7+V3ypWECCLltbpQS9B/hNVSNx5zKcN2HeaRmwt5UwUlFF7guAxWYNcheZ6AEBQwlc7i KaLhLSFQyz4AhXBt5WqrDlce8Qvm3S8VPd9ZBKklPwzWdtP2NrsJPHi0K+oHFZYUrhH9 nVlgK5mmVDCjR9BeHUK7k2VTBbhUVpJLpiRrMMZ7ipYsXb5wHOgpm6uyuz3X5gxtIHjS 9/2xJ3TTeJT+l7KsUNfGSc4UZJpDwz6LUMoAtEGFyWar/t7QMhR+li2bai5ytPNgq2Na geiA== X-Forwarded-Encrypted: i=1; AJvYcCXDsdR0YfWGBqOkVXIEWdAuFzyQhnfbY7dmSDdW77mRORtBxWNuKwbiqdER4hcWun377xJ4L1CUrtOHC5o=@vger.kernel.org X-Gm-Message-State: AOJu0YzYfizmFQ23zjIC4jGeiFvz3GrS1clDwwIbg8QYlIKTVo1QKXb+ uO9DrNQLS6mMd6dMK/k8d2ThqjnicRitFmI2mGCHwTM/njIs0e1DN9MyMsop2uls9gvdOrtgk+u Vf8uE9srjbqSnk0pQiNoA1GVwrlNUNLtZRab9wwQqPx6bPFhll1fvGsc= X-Google-Smtp-Source: AGHT+IGioiFL/pUyGoyqtnDoFi0dFOMf+hnnLtJZkKhoH0scpPk6kExdbPOEjwB4GofsHFk5UsA9zuKBjs4v65EYs5svtqpGGZnq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:198b:b0:39e:78d9:ebf4 with SMTP id e9e14a558f8ab-3a0c8d2af50mr64311485ab.22.1726947799583; Sat, 21 Sep 2024 12:43:19 -0700 (PDT) Date: Sat, 21 Sep 2024 12:43:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66ef21d7.050a0220.3195df.0068.GAE@google.com> Subject: [syzbot] [usb?] KASAN: slab-use-after-free Read in raw_ioctl_ep_set_clear_halt_wedge From: syzbot To: andreyknvl@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 68d4209158f4 sub: cdns3: Use predefined PCI vendor ID cons.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=143d8080580000 kernel config: https://syzkaller.appspot.com/x/.config?x=cb61872d4d8c5df9 dashboard link: https://syzkaller.appspot.com/bug?extid=1966d2bbc2befdc0ba2c compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c69290425359/disk-68d42091.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/caf4f26a3e85/vmlinux-68d42091.xz kernel image: https://storage.googleapis.com/syzbot-assets/3acdec4b62e6/bzImage-68d42091.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1966d2bbc2befdc0ba2c@syzkaller.appspotmail.com ================================================================== BUG: KASAN: slab-use-after-free in usb_endpoint_xfer_isoc include/uapi/linux/usb/ch9.h:563 [inline] BUG: KASAN: slab-use-after-free in raw_ioctl_ep_set_clear_halt_wedge+0x4be/0x7c0 drivers/usb/gadget/legacy/raw_gadget.c:1012 Read of size 1 at addr ffff888111e55b83 by task syz.4.752/7534 CPU: 1 UID: 0 PID: 7534 Comm: syz.4.752 Not tainted 6.11.0-rc7-syzkaller-00152-g68d4209158f4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0xc3/0x620 mm/kasan/report.c:488 kasan_report+0xd9/0x110 mm/kasan/report.c:601 usb_endpoint_xfer_isoc include/uapi/linux/usb/ch9.h:563 [inline] raw_ioctl_ep_set_clear_halt_wedge+0x4be/0x7c0 drivers/usb/gadget/legacy/raw_gadget.c:1012 raw_ioctl+0x105/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1350 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2f3c32def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2f3afa1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2f3c4e5f80 RCX: 00007f2f3c32def9 RDX: 0000000000000000 RSI: 000000004004550d RDI: 0000000000000003 RBP: 00007f2f3c3a0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2f3c4e5f80 R15: 00007ffdece30528 Allocated by task 7538: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x8f/0xa0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:4162 [inline] __kmalloc_node_track_caller_noprof+0x1ff/0x3e0 mm/slub.c:4181 memdup_user+0x2a/0xd0 mm/util.c:226 raw_ioctl_ep_enable drivers/usb/gadget/legacy/raw_gadget.c:847 [inline] raw_ioctl+0xbca/0x2b90 drivers/usb/gadget/legacy/raw_gadget.c:1318 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 7534: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240 __kasan_slab_free+0x14/0x30 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2256 [inline] slab_free mm/slub.c:4477 [inline] kfree+0x10b/0x380 mm/slub.c:4598 dev_free+0x446/0x700 drivers/usb/gadget/legacy/raw_gadget.c:225 kref_put include/linux/kref.h:65 [inline] raw_release+0x16e/0x2c0 drivers/usb/gadget/legacy/raw_gadget.c:473 __fput+0x408/0xbb0 fs/file_table.c:422 __fput_sync+0x47/0x50 fs/file_table.c:507 __do_sys_close fs/open.c:1566 [inline] __se_sys_close fs/open.c:1551 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1551 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff888111e55b80 which belongs to the cache kmalloc-16 of size 16 The buggy address is located 3 bytes inside of freed 16-byte region [ffff888111e55b80, ffff888111e55b90) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111e55 flags: 0x200000000000000(node=0|zone=2) page_type: 0xfdffffff(slab) raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000800080 00000001fdffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 9, tgid 9 (kworker/0:1), ts 108651586204, free_ts 108237529970 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1500 prep_new_page mm/page_alloc.c:1508 [inline] get_page_from_freelist+0x1311/0x25f0 mm/page_alloc.c:3446 __alloc_pages_noprof+0x21e/0x2290 mm/page_alloc.c:4702 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x4e/0xf0 mm/slub.c:2325 allocate_slab mm/slub.c:2488 [inline] new_slab+0x84/0x260 mm/slub.c:2541 ___slab_alloc+0xdac/0x1870 mm/slub.c:3727 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3817 __slab_alloc_node mm/slub.c:3870 [inline] slab_alloc_node mm/slub.c:4029 [inline] __do_kmalloc_node mm/slub.c:4161 [inline] __kmalloc_noprof+0x325/0x3c0 mm/slub.c:4174 kmalloc_noprof include/linux/slab.h:685 [inline] kzalloc_noprof include/linux/slab.h:807 [inline] rh_call_control drivers/usb/core/hcd.c:491 [inline] rh_urb_enqueue drivers/usb/core/hcd.c:821 [inline] usb_hcd_submit_urb+0x6b6/0x2090 drivers/usb/core/hcd.c:1529 usb_submit_urb+0x87c/0x1730 drivers/usb/core/urb.c:581 usb_start_wait_urb+0x103/0x4c0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x327/0x4b0 drivers/usb/core/message.c:154 usb_clear_port_feature drivers/usb/core/hub.c:453 [inline] hub_activate+0xb02/0x1d60 drivers/usb/core/hub.c:1230 hub_resume+0xaa/0x3f0 drivers/usb/core/hub.c:4005 usb_resume_interface.constprop.0.isra.0+0x2c8/0x3e0 drivers/usb/core/driver.c:1379 usb_resume_both+0x274/0x800 drivers/usb/core/driver.c:1539 page last free pid 4937 tgid 4937 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1101 [inline] free_unref_page+0x698/0xce0 mm/page_alloc.c:2619 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3992 [inline] slab_alloc_node mm/slub.c:4041 [inline] kmem_cache_alloc_noprof+0x11c/0x2b0 mm/slub.c:4048 getname_flags.part.0+0x4c/0x550 fs/namei.c:139 getname_flags include/linux/audit.h:322 [inline] getname fs/namei.c:225 [inline] __do_sys_unlink fs/namei.c:4534 [inline] __se_sys_unlink fs/namei.c:4532 [inline] __x64_sys_unlink+0xb0/0x110 fs/namei.c:4532 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888111e55a80: 00 00 fc fc 00 01 fc fc fa fb fc fc 00 00 fc fc ffff888111e55b00: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc >ffff888111e55b80: fa fb fc fc 00 00 fc fc fa fb fc fc fa fb fc fc ^ ffff888111e55c00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc ffff888111e55c80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc 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