From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 203233] kernel BUG at fs/f2fs/segment.c:2102! Date: Wed, 15 May 2019 16:00:21 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1hQwKV-00087i-28 for linux-f2fs-devel@lists.sourceforge.net; Wed, 15 May 2019 16:00:31 +0000 Received: from mail.wl.linuxfoundation.org ([198.145.29.98]) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) id 1hQwKT-000EUz-HE for linux-f2fs-devel@lists.sourceforge.net; Wed, 15 May 2019 16:00:31 +0000 Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 10B9F2859A for ; Wed, 15 May 2019 16:00:23 +0000 (UTC) In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-f2fs-devel@lists.sourceforge.net https://bugzilla.kernel.org/show_bug.cgi?id=203233 --- Comment #3 from Jungyeon (jungyeon@gatech.edu) --- - Reproduces gcc poc_13.c ./run.sh f2fs - Kernel messages [ 52.504977] F2FS-fs (sdb): Bitmap was wrongly set, blk:4608 [ 52.506452] kernel BUG at fs/f2fs/segment.c:2133! [ 52.507469] invalid opcode: 0000 [#1] SMP PTI [ 52.508375] CPU: 0 PID: 934 Comm: a.out Not tainted 5.1.0 #1 [ 52.509505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 52.511437] RIP: 0010:update_sit_entry+0x35d/0x3e0 [ 52.512414] Code: c0 a9 48 c7 c6 03 1e bd a9 e8 0f 1c fe ff 0f 0b 8b 0c 24 48 8b 7d 00 48 c7 c2 e0 27 c0 a9 48 c7 c6 03 1e bd a9 e8 f3 1b fe ff <0f> 0b 8b 0c 24 48 8b 7d 00 41 83 e0 01 48 c7 c2 00 28 c0 a9 48 c7 [ 52.516335] RSP: 0018:ffffbad9c0fd79f0 EFLAGS: 00010286 [ 52.517395] RAX: 0000000000000000 RBX: ffff98d7f2542e40 RCX: 0000000000000000 [ 52.518867] RDX: 0000000000000000 RSI: ffff98d7f7a163d8 RDI: ffff98d7f7a163d8 [ 52.520323] RBP: ffff98d7eba14800 R08: 000000000007b491 R09: 00000000000001b6 [ 52.521900] R10: 0000000000000007 R11: ffffbad9c0fd7835 R12: ffff98d7eba15030 [ 52.523466] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 [ 52.524917] FS: 00007f87eb8c5700(0000) GS:ffff98d7f7a00000(0000) knlGS:0000000000000000 [ 52.526600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.527796] CR2: 00007ffc596d1000 CR3: 0000000233450005 CR4: 00000000001606f0 [ 52.529260] Call Trace: [ 52.529813] ? bvec_alloc+0x81/0xe0 [ 52.530558] f2fs_allocate_data_block+0x16c/0x5a0 [ 52.531539] do_write_page+0x57/0x100 [ 52.532310] f2fs_do_write_node_page+0x33/0xa0 [ 52.533401] __write_node_page+0x270/0x4e0 [ 52.534231] f2fs_sync_node_pages+0x5df/0x670 [ 52.535081] ? writeback_single_inode+0xd1/0x100 [ 52.536013] ? iput+0x66/0x1e0 [ 52.536639] f2fs_write_checkpoint+0x364/0x13a0 [ 52.537582] ? blk_finish_plug+0x22/0x30 [ 52.538416] ? f2fs_fill_dentries+0x1dc/0x230 [ 52.539314] ? f2fs_sync_fs+0xa3/0x130 [ 52.540091] f2fs_sync_fs+0xa3/0x130 [ 52.540849] ? touch_atime+0xc1/0xd0 [ 52.541607] f2fs_do_sync_file+0x1a6/0x810 [ 52.542482] do_fsync+0x33/0x60 [ 52.543133] __x64_sys_fsync+0xb/0x10 [ 52.543872] do_syscall_64+0x43/0x110 [ 52.544629] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.545872] RIP: 0033:0x7f87eb3e04d9 [ 52.546645] Code: 00 f3 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 8b 0d 8f 29 2c 00 f7 d8 64 89 01 48 [ 52.550584] RSP: 002b:00007ffc596cebd8 EFLAGS: 00000203 ORIG_RAX: 000000000000004a [ 52.552157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87eb3e04d9 [ 52.553758] RDX: 00007f87eb3e04d9 RSI: 0000000000000928 RDI: 0000000000000003 [ 52.555250] RBP: 00007ffc596d2d20 R08: 00007ffc596d2e08 R09: 00007ffc596d2e08 [ 52.556728] R10: 00007ffc596d2e08 R11: 0000000000000203 R12: 00000000004004e0 [ 52.558211] R13: 00007ffc596d2e00 R14: 0000000000000000 R15: 0000000000000000 [ 52.559752] Modules linked in: [ 52.560433] ---[ end trace dd205425e9f03f2e ]--- [ 52.561419] RIP: 0010:update_sit_entry+0x35d/0x3e0 [ 52.562457] Code: c0 a9 48 c7 c6 03 1e bd a9 e8 0f 1c fe ff 0f 0b 8b 0c 24 48 8b 7d 00 48 c7 c2 e0 27 c0 a9 48 c7 c6 03 1e bd a9 e8 f3 1b fe ff <0f> 0b 8b 0c 24 48 8b 7d 00 41 83 e0 01 48 c7 c2 00 28 c0 a9 48 c7 [ 52.566484] RSP: 0018:ffffbad9c0fd79f0 EFLAGS: 00010286 [ 52.567626] RAX: 0000000000000000 RBX: ffff98d7f2542e40 RCX: 0000000000000000 [ 52.569126] RDX: 0000000000000000 RSI: ffff98d7f7a163d8 RDI: ffff98d7f7a163d8 [ 52.570620] RBP: ffff98d7eba14800 R08: 000000000007b491 R09: 00000000000001b6 [ 52.572242] R10: 0000000000000007 R11: ffffbad9c0fd7835 R12: ffff98d7eba15030 [ 52.573750] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 [ 52.575236] FS: 00007f87eb8c5700(0000) GS:ffff98d7f7a00000(0000) knlGS:0000000000000000 [ 52.576915] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.578241] CR2: 00007ffc596d1000 CR3: 0000000233450005 CR4: 00000000001606f0 [ 52.579763] WARNING: CPU: 0 PID: 934 at kernel/exit.c:782 do_exit+0x4a/0xbf0 [ 52.581300] Modules linked in: [ 52.581980] CPU: 0 PID: 934 Comm: a.out Tainted: G D 5.1.0 #1 [ 52.583461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 52.585442] RIP: 0010:do_exit+0x4a/0xbf0 [ 52.586375] Code: 04 25 28 00 00 00 48 89 44 24 30 31 c0 e8 ce 81 06 00 48 8b 83 40 07 00 00 48 85 c0 74 0e 48 8b 10 48 39 d0 0f 84 6b 07 00 00 <0f> 0b 65 44 8b 25 f4 01 5b 57 41 81 e4 00 ff 1f 00 44 89 64 24 0c [ 52.590248] RSP: 0018:ffffbad9c0fd7ee8 EFLAGS: 00010212 [ 52.591439] RAX: ffffbad9c0fd7d80 RBX: ffff98d7f661ec00 RCX: 00000000ffffffff [ 52.592877] RDX: ffff98d7ebfa4048 RSI: 0000000000000000 RDI: ffffffffa9e4aec0 [ 52.594367] RBP: 000000000000000b R08: 0000000000000000 R09: 00000000000001ef [ 52.595829] R10: 000000000000002b R11: ffffbad9c0fd7725 R12: 0000000000000246 [ 52.597319] R13: 0000000000000004 R14: 0000000000000002 R15: ffffffffa8d4a7cd [ 52.598979] FS: 00007f87eb8c5700(0000) GS:ffff98d7f7a00000(0000) knlGS:0000000000000000 [ 52.600670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.601871] CR2: 00007ffc596d1000 CR3: 0000000233450005 CR4: 00000000001606f0 [ 52.603353] Call Trace: [ 52.603887] ? do_fsync+0x33/0x60 [ 52.604630] ? update_sit_entry+0x35d/0x3e0 [ 52.605611] rewind_stack_do_exit+0x17/0x20 [ 52.606610] ---[ end trace dd205425e9f03f2f ]--- [ 52.609523] a.out (934) used greatest stack depth: 13072 bytes left ./run.sh: line 10: 933 Segmentation fault (core dumped) sudo ./a.out - Error location the same location -- You are receiving this mail because: You are watching the assignee of the bug.