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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f23-20020a05640214d700b005233fd1111fsi7869050edx.398.2023.08.14.04.52.02; Mon, 14 Aug 2023 04:52:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=BXNTaI7E; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233197AbjHNKUe (ORCPT + 99 others); Mon, 14 Aug 2023 06:20:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235023AbjHNKUS (ORCPT ); Mon, 14 Aug 2023 06:20:18 -0400 Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03D2694; Mon, 14 Aug 2023 03:20:17 -0700 (PDT) Received: by mail-lj1-x236.google.com with SMTP id 38308e7fff4ca-2b9f48b6796so62261551fa.3; Mon, 14 Aug 2023 03:20:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1692008415; x=1692613215; h=content-transfer-encoding:cc:to:subject:message-id:date:from :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=ag33O9lTiJVhm7/4CtJTCGFSv1kDdRxMMiWVk+OXiug=; b=BXNTaI7EC32mYKM4YsWIof0Et5UJElg7ITVfxMuw02eiT4/Z90OMsj8yRjfcJZOvoK rpcACq1sGofHWfzwQhIsVsSlRM2ynK3r/KCPzJ/kEc3toEoh/imPe+4zHCncrxn+uew5 W55qyzfct2W6R/pOuMRiWyeqNYfwuwLuSC+JoKAn9YGVaKrZRlcqOPDg0OYspPJq9HF9 Aeu3TKbJtHD133nz9ofaQQY3pokqCI4Prs0gX+RbpJwt+writhRPRN8xeyPcyccnCH0b xiK1vO3esBRYcVzueKFH2CgIEFEnM3f0CU0Rq+XAQoBY4pvZ6cqzJGH9tGRn0jEOqK4z KRfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692008415; x=1692613215; h=content-transfer-encoding:cc:to:subject:message-id:date:from :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ag33O9lTiJVhm7/4CtJTCGFSv1kDdRxMMiWVk+OXiug=; b=Zk5YM8Ae93LDuczh659wE6UtvtszgepatzQxO1i358tg/RfdNdrKauKzZA1W7fe8Yx 1+kODo6347XZbQTyVz1VPgRlIgtudNUj3B51vGK3TaQptviiOiMRnqPWakcrl+ox9rdb K7eNy0bKzTjVZO9Xc/p5CLq/YLhHzHd4uum7NDcE2Y28qW/Ys1LkJBRi8HwdiT72/pc8 ooWrdemjhWB1FbQj8mswhW4Q73pv1vWrEqYXHzHUZrUoMpX+DL3nd/nKtFCbbrZRcBAA zIdO1OyvH1CZyAXd2TGoHlXEps7zfLFLdTRek+URfnL+t8ZDnQGorlbB8lQ76HVD37fu wnhg== X-Gm-Message-State: AOJu0Yx2fzourJ9qjInnjDJOM3eUJ2FWal0jDKAZ7XpNkmPnt9vn6muG 3uQc4YqjfTUVEc4L7jAHpptP5ywYsTJi3exLNjBILRZc8Ln+BXLQ X-Received: by 2002:a2e:9817:0:b0:2b5:80c9:1266 with SMTP id a23-20020a2e9817000000b002b580c91266mr7195481ljj.43.1692008414448; Mon, 14 Aug 2023 03:20:14 -0700 (PDT) MIME-Version: 1.0 From: Yikebaer Aizezi Date: Mon, 14 Aug 2023 18:20:01 +0800 Message-ID: Subject: WARNING in get_vaddr_frames To: linux-media@vger.kernel.org, m.szyprowski@samsung.com, tfiga@chromium.org Cc: mchehab@kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, When using Healer to fuzz the Latest Linux-6.5-rc6, the following crash was triggered. HEAD commit: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 (tag: v6.5-rc6=EF=BC= =89 git tree: upstream console output: https://drive.google.com/file/d/1qIDQrn_fde3SaSG2JkkL7kv1Rn2e1jlR/view?usp= =3Ddrive_link kernel config:https://drive.google.com/file/d/12QL_tHgc9I7N3m1Fqwuya83dltM8= RM3z/view?usp=3Ddrive_link C reproducer:https://drive.google.com/file/d/1bWDPAydevQrNvBZSwtSXE9ommhfVY= qdr/view?usp=3Ddrive_link Syzlang reproducer: https://drive.google.com/file/d/1BDx-cyYRS68mMlqvnJ9GF3KTIRet1_Tk/view?usp= =3Ddrive_link If you fix this issue, please add the following tag to the commit: Reported-by: Yikebaer Aizezi get_vaddr_frames() cannot follow VM_IO mapping WARNING: CPU: 1 PID: 12030 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] WARNING: CPU: 1 PID: 12030 at drivers/media/common/videobuf2/frame_vector.c:63 get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Modules linked in: CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 FS: 00007fc39c269640(0000) GS:ffff888135c00000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc39c268f98 CR3: 000000010b298000 CR4: 0000000000750ee0 PKRU: 55555554 Call Trace: vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:= 1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c= :738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 Modules linked in: CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 FS: 00007fc39c269640(0000) GS:ffff888135c00000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc39c268f98 CR3: 000000010b298000 CR4: 0000000000750ee0 PKRU: 55555554 Call Trace: vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:= 1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c= :738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 PID: 12030 Comm: syz-executor Not tainted 6.5.0-rc6 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd5/0x150 lib/dump_stack.c:106 panic+0x67e/0x730 kernel/panic.c:340 check_panic_on_warn+0xad/0xb0 kernel/panic.c:236 __warn+0xee/0x390 kernel/panic.c:673 __report_bug lib/bug.c:199 [inline] report_bug+0x2d9/0x500 lib/bug.c:219 handle_bug+0x3c/0x70 arch/x86/kernel/traps.c:326 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:347 asm_exc_invalid_op+0x16/0x20 arch/x86/include/asm/idtentry.h:568 RIP: 0010:get_vaddr_frames drivers/media/common/videobuf2/frame_vector.c:63 [inline] RIP: 0010:get_vaddr_frames+0x1fd/0x210 drivers/media/common/videobuf2/frame_vector.c:36 Code: 50 71 fb e9 06 ff ff ff e8 70 50 71 fb e9 cd fe ff ff e8 e6 83 21 fb 48 c7 c7 20 c5 b6 8a c6 05 e1 19 a1 07 01 e8 e3 87 e9 fa <0f> 0b e9 53 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 RSP: 0018:ffffc90005b57818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000d800000 RCX: ffffc90003181000 RDX: 0000000000040000 RSI: ffffffff81487083 RDI: 0000000000000001 RBP: ffffc9000d800004 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 00000000ffffffb5 R14: ffffffffff600000 R15: ffff888018a8c800 vb2_create_framevec+0x60/0xd0 drivers/media/common/videobuf2/videobuf2-memops.c:52 vb2_vmalloc_get_userptr+0x133/0x530 drivers/media/common/videobuf2/videobuf2-vmalloc.c:89 __prepare_userptr.constprop.0+0x6a8/0x1610 drivers/media/common/videobuf2/videobuf2-core.c:1180 __buf_prepare+0x623/0x810 drivers/media/common/videobuf2/videobuf2-core.c:= 1422 vb2_core_prepare_buf+0xe0/0x330 drivers/media/common/videobuf2/videobuf2-core.c:1561 vb2_prepare_buf+0xff/0x180 drivers/media/common/videobuf2/videobuf2-v4l2.c= :738 v4l2_m2m_prepare_buf+0xe4/0x1e0 drivers/media/v4l2-core/v4l2-mem2mem.c:823 v4l_prepare_buf drivers/media/v4l2-core/v4l2-ioctl.c:2158 [inline] v4l_prepare_buf+0x92/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2152 __video_do_ioctl+0xba2/0xf20 drivers/media/v4l2-core/v4l2-ioctl.c:3046 video_usercopy+0x3fb/0x14a0 drivers/media/v4l2-core/v4l2-ioctl.c:3387 v4l2_ioctl+0x1b9/0x250 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x199/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc39b09442d Code: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 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 b4 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc39c269048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc39b1cc0a0 RCX: 00007fc39b09442d RDX: 0000000020000080 RSI: 00000000c058565d RDI: 0000000000000003 RBP: 00007fc39b1014b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc39b100b51 R13: 000000000000000b R14: 00007fc39b1cc0a0 R15: 00007fc39c249000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 1 seconds..