WARNING in ext4_set_page

WARNING in ext4_set_page_dirty
Status: upstream: reported C repro on 2018/04/01 08:05
Reported-by: syzbot+9a44753ac327c557796a@syzkaller.appspotmail.com
First crash: 1342d, last: 8m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: kernel BUG at fs/ext4/inode.c:LINE! (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 7dfbf8a07cf8c936b0d6cc810df6ae7923954d5b
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Jun 30 15:27:24 2020 +0000

drm/i915: Skip stale object handle for debugfs per-file-stats

similar bugs (3):
Kernel	Title	Repro	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in ext4_set_page_dirty	C	error	44	10h41m	964d	0/1	upstream: reported C repro on 2019/04/13 10:39
linux-4.14	WARNING in ext4_set_page_dirty	syz	error	9	120d	887d	0/1	upstream: reported syz repro on 2019/06/29 07:29
android-414	WARNING in ext4_set_page_dirty			15	1095d	965d	0/1	auto-closed as invalid on 2019/06/01 07:06

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 2660 at fs/ext4/inode.c:3562 ext4_set_page_dirty+0x34d/0x480 fs/ext4/inode.c:3562
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 2660 Comm: kworker/1:2 Not tainted 5.5.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xdp_umem_release_deferred
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:ext4_set_page_dirty+0x34d/0x480 fs/ext4/inode.c:3562
Code: ff e8 b7 47 72 ff 49 8d 5f ff e9 a3 fd ff ff e8 a9 47 72 ff 48 c7 c6 60 59 3c 88 4c 89 e7 e8 ea fd 9d ff 0f 0b e8 93 47 72 ff <0f> 0b e9 56 ff ff ff e8 87 47 72 ff 4c 89 ea 48 b8 00 00 00 00 00
RSP: 0018:ffffc90007c57be8 EFLAGS: 00010293
RAX: ffff8880a0aee200 RBX: 0000000000000000 RCX: ffffffff8202e5b2
RDX: 0000000000000000 RSI: ffffffff8202e65d RDI: 0000000000000001
RBP: ffffc90007c57c10 R08: ffff8880a0aee200 R09: fffff9400043f6a1
R10: fffff9400043f6a0 R11: ffffea00021fb507 R12: ffffea00021fb500
R13: ffffea00021fb508 R14: 0000000000000000 R15: ffffea00022754c8
 set_page_dirty+0x301/0x850 mm/page-writeback.c:2572
 set_page_dirty_lock+0x99/0xe0 mm/page-writeback.c:2597
 put_user_pages_dirty_lock mm/gup.c:93 [inline]
 put_user_pages_dirty_lock+0x2a4/0x740 mm/gup.c:54
 xdp_umem_unpin_pages.isra.0+0x3d/0xb0 net/xdp/xdp_umem.c:215
 xdp_umem_release net/xdp/xdp_umem.c:250 [inline]
 xdp_umem_release_deferred+0x155/0x210 net/xdp/xdp_umem.c:263
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (16657):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-root	2019/12/23 22:48	upstream	46cf053efec6	be5c2c81	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2019/08/10 06:12	upstream	7f20fd23377a	acb51638	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2019/06/24 03:36	upstream	241e39004581	472f0082	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2019/06/23 23:41	upstream	241e39004581	472f0082	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2018/05/21 06:06	upstream	771c577c23ba	f48c20b8	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2019/12/30 22:02	linux-next	7ddd09fc4b74	af6b8ef8	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2019/07/01 02:50	linux-next	48568d8c7f47	699d6448	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/09/08 14:08	upstream	f4d51dffc6c0	abf9ba4f	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/12/23 09:43	upstream	c60174717544	8b967267	.config	log	report	syz
ci-upstream-kasan-gce-root	2019/07/29 05:18	upstream	a9815a4fa2fd	c85e1c5b	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/07/29 04:26	upstream	a9815a4fa2fd	c85e1c5b	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2019/07/29 04:23	upstream	a9815a4fa2fd	c85e1c5b	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2019/06/23 02:46	upstream	abf02e2964b3	34bf9440	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/06/22 21:46	upstream	abf02e2964b3	34bf9440	.config	log	report	syz
ci-upstream-kasan-gce-root	2019/06/22 20:34	upstream	abf02e2964b3	34bf9440	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/04/14 00:47	upstream	6d0a598489ca	c402d8f1	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2019/04/13 02:14	upstream	8ee15f324866	c402d8f1	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/04/12 23:24	upstream	8ee15f324866	c402d8f1	.config	log	report	syz
ci-upstream-kasan-gce-root	2019/04/12 22:44	upstream	8ee15f324866	c402d8f1	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2019/02/25 02:38	upstream	c3619a482e15	7a06e792	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2019/02/24 21:56	upstream	c3619a482e15	7a06e792	.config	log	report	syz
ci-upstream-kasan-gce-root	2019/02/24 21:51	upstream	c3619a482e15	7a06e792	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2018/12/03 17:13	upstream	2595646791c3	819002b0	.config	log	report	syz
ci-upstream-kasan-gce-root	2018/12/03 09:53	upstream	6a512726090a	7dcaeaf3	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2018/12/03 08:48	upstream	6a512726090a	7dcaeaf3	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2018/11/27 20:53	upstream	ef78e5ec9214	4b6d14f2	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2018/11/27 17:28	upstream	ef78e5ec9214	4b6d14f2	.config	log	report	syz
ci-upstream-kasan-gce-root	2018/11/27 10:55	upstream	6f8b52ba442c	ac912200	.config	log	report	syz
ci-upstream-kasan-gce-root	2018/11/23 19:41	upstream	edeca3a769ad	2b0dc848	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2018/11/23 17:57	upstream	edeca3a769ad	2b0dc848	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2018/09/23 18:21	upstream	328c6333ba3d	37079712	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2020/09/21 10:21	linux-next	b652d2a5f2a4	9564d2e9	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/07/30 10:21	linux-next	70f4b4ac1655	f28bf2a5	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/06/30 07:38	linux-next	48568d8c7f47	7509bf36	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/04/14 19:49	linux-next	bcb67f0fbce9	505ab413	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/04/13 01:02	linux-next	bcb67f0fbce9	c402d8f1	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/02/24 21:46	linux-next	94a47529a645	7a06e792	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2019/01/15 11:21	linux-next	5aa6589e17bd	ebacf5cb	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2018/12/03 08:54	linux-next	442b8cea2477	7dcaeaf3	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2018/11/28 05:21	linux-next	442b8cea2477	4b6d14f2	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2018/11/23 17:56	linux-next	442b8cea2477	2b0dc848	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2018/09/23 18:30	linux-next	46c163a036b4	37079712	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2021/12/02 17:41	upstream	58e1100fdc59	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root	2021/11/28 15:37	upstream	3498e7f2bb41	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root	2021/11/27 06:19	upstream	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-smack-root	2021/11/25 20:13	upstream	b501b85957de	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce	2021/10/30 00:10	upstream	f25a5481af12	098b5d53	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-selinux-root	2021/10/25 15:43	upstream	87066fdd2e30	4f0000ee	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-qemu-upstream	2021/10/22 04:34	upstream	2f111a6fd5b5	55f90bc6	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-qemu-upstream-386	2021/11/24 05:18	upstream	5d9f4cf36721	545ab074	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-386	2021/07/17 05:48	upstream	d980cc0620ae	f115ae98	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/12/03 06:17	net	a51e3ac43ddb	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/12/02 23:11	net	a37a0ee4d25c	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/12/02 02:02	net	3968e3cafafb	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 22:40	net	f8e7dfd6fdab	d0830353	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 17:57	net	f8e7dfd6fdab	d0830353	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 10:53	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 06:33	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 03:31	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 02:12	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/29 00:36	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/28 13:14	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/28 02:48	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/27 23:46	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/27 22:20	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/27 18:47	net	c5c17547b778	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/26 07:49	net	49573ff7830b	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/26 06:27	net	9dbe33cf371b	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-this-kasan-gce	2021/11/26 02:05	net	9dbe33cf371b	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/02 20:52	net-next	ce8299b6f76f	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/02 06:43	net-next	10184da91666	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/02 04:40	net-next	10184da91666	61f86278	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/01 20:22	net-next	23ea630f86c7	5fa3eacc	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/01 18:57	net-next	23ea630f86c7	5fa3eacc	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/01 17:27	net-next	23ea630f86c7	5fa3eacc	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/01 14:49	net-next	23ea630f86c7	5fa3eacc	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/12/01 06:32	net-next	196073f9c44b	80270552	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/30 21:53	net-next	72a2ff567fc3	80270552	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/30 20:08	net-next	72a2ff567fc3	80270552	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/30 16:05	net-next	72a2ff567fc3	80270552	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/30 10:08	net-next	09ae03e2fc9d	d0830353	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/30 08:07	net-next	09ae03e2fc9d	d0830353	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/29 20:01	net-next	2f7ed29f2c54	d0830353	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/29 07:38	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/29 04:48	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 22:33	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 20:40	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 11:05	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 09:30	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 07:03	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 03:51	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/28 01:02	net-next	d40ce48cb3a6	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/26 22:41	net-next	35bf8c86eeb8	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/26 15:10	net-next	a0341b73d843	63eeac02	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/25 09:27	net-next	d156250018ab	545ab074	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-net-kasan-gce	2021/11/25 08:09	net-next	d156250018ab	545ab074	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-linux-next-kasan-gce-root	2021/11/16 20:49	linux-next	a2f3bb245883	600426bd	.config	log	report			info	WARNING in ext4_set_page_dirty
ci-upstream-kasan-gce-root	2020/12/12 21:30	upstream	7b1b868e1d91	bca53db9	.config	log	report			info
ci-qemu-upstream	2020/11/12 11:37	upstream	3d5e28bff7ad	77a55c8e	.config	log	report			info
ci-upstream-kasan-gce-root	2018/03/31 21:22	upstream	10b84daddbec	0174c6c8	.config	log	report