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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: 3127dca2-48de-48bc-2dbb-08db06187486 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Feb 2023 18:57:10.6989 (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: +ZDLk6S4rw7TV9RYszrS/tboWVH8iUIACDifASCRx8mikLKIFMPHeKr6JueAj1Zu6AlFGa3gwSuiWHrwQIpRN9wgK3m50zMni93wsnhl/ZQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR07MB7894 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-rc5-next-20230127=0A= Kernel config:=A0https://drive.google.com/file/d/1t4nrvTX95c7ynGX-LCTaoi0uR= WGYelyt/view?usp=3Dsharing=0A= Unfortunately, we do not have a reproducer yet.=0A= =0A= Thank you!=0A= =0A= Best regards,=0A= Sanan Hasanov=0A= =0A= ------------[ cut here ]------------=0A= WARNING: CPU: 7 PID: 15355 at drivers/block/floppy.c:999 schedule_bh driver= s/block/floppy.c:999 [inline]=0A= WARNING: CPU: 7 PID: 15355 at drivers/block/floppy.c:999 process_fd_request= drivers/block/floppy.c:2847 [inline]=0A= WARNING: CPU: 7 PID: 15355 at drivers/block/floppy.c:999 invalidate_drive+0= x145/0x170 drivers/block/floppy.c:3217=0A= Modules linked in:=0A= CPU: 7 PID: 15355 Comm: syz-executor.4 Not tainted 6.2.0-rc5-next-20230127+= #1=0A= Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/= 2014=0A= RIP: 0010:schedule_bh drivers/block/floppy.c:999 [inline]=0A= RIP: 0010:process_fd_request drivers/block/floppy.c:2847 [inline]=0A= RIP: 0010:invalidate_drive+0x145/0x170 drivers/block/floppy.c:3217=0A= Code: fc ff df 48 c1 ea 03 80 3c 02 00 75 3b 48 8b bb 10 05 00 00 e8 2c e4 = ff ff e8 d7 6b c8 fc 31 c0 5b 5d 41 5c c3 e8 cb 6b c8 fc <0f> 0b e9 74 ff f= f ff 4c 89 e7 e8 9c e6 16 fd e9 d5 fe ff ff e8 92=0A= RSP: 0018:ffffc90008b47ca8 EFLAGS: 00010293=0A= RAX: 0000000000000000 RBX: ffff8881004d8000 RCX: 0000000000000000=0A= RDX: ffff888100bc8000 RSI: ffffffff84b98465 RDI: 0000000000000001=0A= RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000=0A= R10: 0000000000000001 R11: 0000000000000001 R12: ffff8881004d8510=0A= R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000=0A= FS: 00007f3593d5f700(0000) GS:ffff888119d80000(0000) knlGS:000000000000000= 0=0A= CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033=0A= CR2: 00007f3593d3dd78 CR3: 000000001427e000 CR4: 0000000000350ee0=0A= Call Trace:=0A= =0A= fd_locked_ioctl+0xba4/0x19b0 drivers/block/floppy.c:3467=0A= fd_ioctl+0x39/0x60 drivers/block/floppy.c:3574=0A= blkdev_ioctl+0x375/0x7f0 block/ioctl.c:616=0A= vfs_ioctl fs/ioctl.c:51 [inline]=0A= __do_sys_ioctl fs/ioctl.c:870 [inline]=0A= __se_sys_ioctl fs/ioctl.c:856 [inline]=0A= __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856=0A= do_syscall_x64 arch/x86/entry/common.c:50 [inline]=0A= do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80=0A= entry_SYSCALL_64_after_hwframe+0x63/0xcd=0A= RIP: 0033:0x7f3592c8edcd=0A= 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 f= f 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48=0A= RSP: 002b:00007f3593d5ebf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010=0A= RAX: ffffffffffffffda RBX: 00007f3592dbbf80 RCX: 00007f3592c8edcd=0A= RDX: 0000000000000000 RSI: 0000000000000241 RDI: 0000000000000003=0A= RBP: 00007f3592cfc59c R08: 0000000000000000 R09: 0000000000000000=0A= R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000=0A= R13: 00007ffc2ffdaf2f R14: 00007ffc2ffdb0d0 R15: 00007f3593d5ed80=0A= =0A= irq event stamp: 915=0A= hardirqs last enabled at (921): [] console_emit_next_rec= ord kernel/printk/printk.c:2893 [inline]=0A= hardirqs last enabled at (921): [] console_flush_all+0x9= 02/0xd10 kernel/printk/printk.c:2942=0A= hardirqs last disabled at (938): [] __up_console_sem+0x93= /0xc0 kernel/printk/printk.c:343=0A= softirqs last enabled at (902): [] invoke_softirq kernel= /softirq.c:445 [inline]=0A= softirqs last enabled at (902): [] __irq_exit_rcu+0x11d/= 0x190 kernel/softirq.c:650=0A= softirqs last disabled at (757): [] invoke_softirq kernel= /softirq.c:445 [inline]=0A= softirqs last disabled at (757): [] __irq_exit_rcu+0x11d/= 0x190 kernel/softirq.c:650=0A= ---[ end trace 0000000000000000 ]---=0A=