WARNING in generic_make_request

WARNING in generic_make_request_checks
Status: upstream: reported C repro on 2019/04/11 06:22
Reported-by: syzbot+708a53616245152d582d@syzkaller.appspotmail.com
First crash: 655d, last: 1h21m

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in generic_make_request_checks (2)	C	done		844	18d	420d	0/17	upstream: reported C repro on 2019/12/02 15:25
upstream	WARNING in generic_make_request_checks	C	done		7760	424d	900d	14/17	fixed on 2019/11/28 11:06

Sample crash report:

------------[ cut here ]------------
generic_make_request: Trying to write to read-only block-device sda (partno 0)
WARNING: CPU: 0 PID: 47 at block/blk-core.c:2182 bio_check_ro block/blk-core.c:2182 [inline]
WARNING: CPU: 0 PID: 47 at block/blk-core.c:2182 generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2287
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 47 Comm: kworker/u4:2 Not tainted 4.19.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:bio_check_ro block/blk-core.c:2182 [inline]
RIP: 0010:generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2287
Code: ca 0a 00 00 45 8b b6 e4 04 00 00 48 8d 74 24 68 48 89 ef e8 d9 2b 06 00 48 c7 c7 00 06 b2 88 48 89 c6 44 89 f2 e8 d2 b7 ce fd <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02
RSP: 0018:ffff8880b517edc0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8880ac281000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814fde01 RDI: ffffed1016a2fdaa
RBP: ffff8880aae89500 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880aae89530
R13: ffff8880aae89508 R14: 0000000000000000 R15: 0000000000000000
 generic_make_request+0x23f/0xdf0 block/blk-core.c:2411
 blk_queue_split+0x83e/0x1700 block/blk-merge.c:226
 blk_mq_make_request+0x15d/0x1c00 block/blk-mq.c:1850
 generic_make_request+0x613/0xdf0 block/blk-core.c:2466
 submit_bio+0xb1/0x430 block/blk-core.c:2575
 ext4_io_submit fs/ext4/page-io.c:356 [inline]
 io_submit_add_bh fs/ext4/page-io.c:396 [inline]
 ext4_bio_write_page+0xa5e/0x16bd fs/ext4/page-io.c:515
 mpage_submit_page+0x14b/0x250 fs/ext4/inode.c:2235
 mpage_map_and_submit_buffers fs/ext4/inode.c:2432 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2570 [inline]
 ext4_writepages+0x20fc/0x37f0 fs/ext4/inode.c:2883
 do_writepages+0xe5/0x290 mm/page-writeback.c:2344
 __writeback_single_inode+0x113/0x1340 fs/fs-writeback.c:1382
 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1646
 __writeback_inodes_wb+0xc6/0x280 fs/fs-writeback.c:1715
 wb_writeback+0x841/0xcc0 fs/fs-writeback.c:1821
 wb_check_old_data_flush fs/fs-writeback.c:1923 [inline]
 wb_do_writeback fs/fs-writeback.c:1976 [inline]
 wb_workfn+0x90f/0x12f0 fs/fs-writeback.c:2005
 process_one_work+0x864/0x1570 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1177):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Maintainers
ci2-linux-4-19	2021/01/13 09:25	linux-4.19.y	675cc038	0cdd6185	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/06 22:07	linux-4.19.y	4143d798	fff20c29	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/21 23:08	linux-4.19.y	13d2ce42	04201c06	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/11/29 15:07	linux-4.19.y	0c88e405	a0092f9d	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/11/26 00:01	linux-4.19.y	0c88e405	3f581b43	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/11/10 00:01	linux-4.19.y	b94de4d1	cba33199	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/10/09 17:17	linux-4.19.y	a1b977b4	fa79ed2a	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/08/23 00:54	linux-4.19.y	d18b78ab	1da71ab0	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/08/18 07:57	linux-4.19.y	c14d30dc	5ce13532	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/08/17 12:20	linux-4.19.y	c14d30dc	5ce13532	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/08/14 13:04	linux-4.19.y	c14d30dc	5ce13532	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/07/07 08:34	linux-4.19.y	399849e4	42723355	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/03/07 01:16	linux-4.19.y	7472c402	fd2a5f28	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/12/07 05:12	linux-4.19.y	fb683b5e	85f26751	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/12/01 12:32	linux-4.19.y	174651bd	a76bf83f	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/11/28 17:31	linux-4.19.y	14260788	97264cb1	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/11/28 17:02	linux-4.19.y	14260788	97264cb1	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/11/28 16:30	linux-4.19.y	14260788	97264cb1	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/11/01 18:05	linux-4.19.y	ef244c30	a41ca8fa	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/10/20 02:38	linux-4.19.y	c3038e71	8c88c9c1	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/06/10 22:19	linux-4.19.y	bb7b450e	0159583c	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/04/18 16:52	linux-4.19.y	4b0e041c	b0e8efcb	.config	log	report	syz	C		axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/11/21 16:03	linux-4.19.y	2c746135	c7ec2d19	.config	log	report	syz			axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/04/16 22:33	linux-4.19.y	4d552acf	505ab413	.config	log	report	syz			axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/25 21:55	linux-4.19.y	2263955b	52e37319	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/25 20:38	linux-4.19.y	2263955b	52e37319	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/24 18:45	linux-4.19.y	2263955b	52e37319	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/22 08:14	linux-4.19.y	43d555d8	d4f4eca5	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/22 00:15	linux-4.19.y	43d555d8	d4f4eca5	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/20 22:04	linux-4.19.y	43d555d8	d4f4eca5	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/20 20:15	linux-4.19.y	43d555d8	d4f4eca5	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/20 16:35	linux-4.19.y	43d555d8	d4f4eca5	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/19 09:43	linux-4.19.y	c110fed0	63631df1	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/18 11:09	linux-4.19.y	c110fed0	fd103621	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/18 00:47	linux-4.19.y	c110fed0	fd103621	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/17 19:14	linux-4.19.y	c110fed0	fd103621	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/17 03:56	linux-4.19.y	675cc038	65a7a854	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/16 03:02	linux-4.19.y	675cc038	65a7a854	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/15 11:04	linux-4.19.y	675cc038	65a7a854	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/15 06:31	linux-4.19.y	675cc038	65a7a854	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/14 14:34	linux-4.19.y	675cc038	269d24e8	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/14 03:55	linux-4.19.y	675cc038	269d24e8	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/14 01:14	linux-4.19.y	675cc038	269d24e8	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/13 23:03	linux-4.19.y	675cc038	a945f0a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/13 17:46	linux-4.19.y	675cc038	a945f0a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/13 07:05	linux-4.19.y	675cc038	0cdd6185	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/12 18:15	linux-4.19.y	610bdbf6	2c1f2513	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/12 10:03	linux-4.19.y	610bdbf6	2c1f2513	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/10 19:45	linux-4.19.y	610bdbf6	2c1f2513	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/10 17:07	linux-4.19.y	610bdbf6	2c1f2513	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/08 09:48	linux-4.19.y	4143d798	c104d4a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/07 23:11	linux-4.19.y	4143d798	c104d4a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/07 07:09	linux-4.19.y	4143d798	c104d4a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/07 04:12	linux-4.19.y	4143d798	c104d4a3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/06 04:24	linux-4.19.y	3207316b	b1c228e1	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/04 23:50	linux-4.19.y	3207316b	2a28ff1f	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/04 14:17	linux-4.19.y	3207316b	79264ae3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/03 02:26	linux-4.19.y	3207316b	79264ae3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/02 19:28	linux-4.19.y	3207316b	79264ae3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/02 03:56	linux-4.19.y	3207316b	79264ae3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2021/01/01 18:34	linux-4.19.y	3207316b	79264ae3	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/30 00:05	linux-4.19.y	13d2ce42	80910769	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/27 23:23	linux-4.19.y	13d2ce42	2242f77f	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/27 09:01	linux-4.19.y	13d2ce42	821e0b09	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/26 02:52	linux-4.19.y	13d2ce42	821e0b09	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/25 23:14	linux-4.19.y	13d2ce42	821e0b09	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/24 14:26	linux-4.19.y	13d2ce42	c2c1d1dd	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/24 06:23	linux-4.19.y	13d2ce42	c2c1d1dd	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/22 16:47	linux-4.19.y	13d2ce42	04201c06	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/19 17:40	linux-4.19.y	13d2ce42	04201c06	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/19 06:38	linux-4.19.y	13d2ce42	04201c06	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/18 01:51	linux-4.19.y	13d2ce42	04201c06	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2020/12/17 12:47	linux-4.19.y	13d2ce42	04201c06	.config	log	report			info	axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
ci2-linux-4-19	2019/04/11 05:21	linux-4.19.y	4d552acf	e955ac50	.config	log	report				axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org