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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: knights.ucf.edu X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: IA1PR07MB9830.namprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3cae1af1-fff3-4293-28eb-08db106704e7 X-MS-Exchange-CrossTenant-originalarrivaltime: 16 Feb 2023 21:44:45.2678 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5b16e182-78b3-412c-9196-68342689eeb7 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: xjI/ITdvefxjq31kY4Edy1om35K4ZvGbMvG3amJeb959ZsTIZ0mTEIdjLtK9Vp/+Td8RDK53p55DVN+WJC5klO6QnvSZCN/THcm6yaLu+Eg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR07MB8717 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Good day, dear maintainers,=0A= =0A= We found a bug using a modified kernel configuration file used by syzbot.= =0A= =0A= We enhanced the coverage of the configuration file using our tool, klocaliz= er.=0A= =0A= Kernel Branch: 6.2.0-rc6-next-20230203=0A= Kernel config:=A0https://drive.google.com/file/d/1jWHyzy2KABqlRawd3FO2V2ZVN= oMWpkZu/view?usp=3Dshare_link=0A= C Reproducer:=A0https://drive.google.com/file/d/1zH4AtT1D3O-vqihwMy-kxrFW6R= ni6bZ_/view?usp=3Dshare_link=0A= =0A= Thank you!=0A= =0A= Best regards,=0A= Sanan Hasanov=0A= =0A= ------------[ cut here ]------------=0A= WARNING: CPU: 6 PID: 10426 at fs/udf/truncate.c:208 udf_truncate_extents+0x= 8a9/0x9d0=0A= Modules linked in:=0A= CPU: 6 PID: 10426 Comm: syz-executor.3 Not tainted 6.2.0-rc6-next-20230203 = #1=0A= Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/= 2014=0A= RIP: 0010:udf_truncate_extents+0x8a9/0x9d0=0A= Code: 84 d2 74 05 e8 e8 1e f9 fe 8b 44 24 20 be 07 00 00 00 48 89 df 89 83 = cc fe ff ff e8 61 0b 13 ff e9 a5 fd ff ff e8 b7 23 aa fe <0f> 0b e9 1f fe f= f ff e8 ab 23 aa fe 0f 0b 48 8b 7c 24 08 48 89 74=0A= RSP: 0000:ffffc9000c6f7050 EFLAGS: 00010293=0A= RAX: 0000000000000000 RBX: ffff888045252160 RCX: 0000000000000000=0A= RDX: ffff888114e53900 RSI: ffffffff82d5b399 RDI: 0000000000000007=0A= RBP: ffffc9000c6f7140 R08: 0000000000000007 R09: 0000000000000000=0A= R10: 0000000000000350 R11: 0000000000000001 R12: ffff8880530de000=0A= R13: 0000000000000350 R14: 00000000000000ff R15: ffffc9000c6f7100=0A= FS: 00007f601837e700(0000) GS:ffff888119f00000(0000) knlGS:000000000000000= 0=0A= CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033=0A= CR2: 000000001ffffe40 CR3: 000000004c1b1000 CR4: 0000000000350ee0=0A= Call Trace:=0A= =0A= udf_write_failed.isra.0+0x173/0x1c0=0A= udf_write_begin+0x2c5/0x370=0A= generic_perform_write+0x259/0x580=0A= __generic_file_write_iter+0x2ae/0x500=0A= udf_file_write_iter+0x233/0x740=0A= __kernel_write_iter+0x262/0x7a0=0A= __kernel_write+0xc9/0x110=0A= dump_emit+0x21d/0x340=0A= elf_core_dump+0x215c/0x3720=0A= do_coredump+0x2d30/0x3ce0=0A= get_signal+0x1c11/0x25c0=0A= arch_do_signal_or_restart+0x79/0x5a0=0A= exit_to_user_mode_prepare+0x11f/0x240=0A= irqentry_exit_to_user_mode+0x9/0x30=0A= asm_exc_general_protection+0x26/0x30=0A= RIP: 0033:0x7f601728edd5=0A= Code: 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 48 c7 c1 b8 f= f ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 84=0A= RSP: 002b:0000000020000040 EFLAGS: 00010217=0A= RAX: 0000000000000000 RBX: 00007f60173bc120 RCX: 00007f601728edcd=0A= RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000=0A= RBP: 00007f60172fc59c R08: 0000000000000000 R09: 0000000000000000=0A= R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000=0A= R13: 00007ffc959cbaaf R14: 00007ffc959cbc50 R15: 00007f601837dd80=0A= =0A= irq event stamp: 1369=0A= hardirqs last enabled at (1379): [] __up_console_sem+0x7= 8/0x80=0A= hardirqs last disabled at (1388): [] __up_console_sem+0x5= d/0x80=0A= softirqs last enabled at (490): [] __irq_exit_rcu+0x11d/= 0x190=0A= softirqs last disabled at (351): [] __irq_exit_rcu+0x11d/= 0x190=0A= ---[ end trace 0000000000000000 ]---=0A=