KCSAN: data-race in data_alloc / prb

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision
36d79822	repro-c	Reproduced: ✅	❓	KCSAN: data-race in data_alloc / prb_reserve	2026/10/11 22:25	2026/10/11 22:25	2026/10/11 22:34	4f92358f
3e9dd160	assessment-security	DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	KCSAN: data-race in data_alloc / prb_reserve	2026/05/21 08:47	2026/05/21 08:47	2026/05/21 09:22	cf874a1c
731e1e99	repro		💥	KCSAN: data-race in data_alloc / prb_reserve	2026/03/10 13:21	2026/03/10 13:21	2026/03/10 13:34	d16aa12f
948cbd3a	assessment-kcsan	Benign: ✅ Confident: ✅	❓	KCSAN: data-race in data_alloc / prb_reserve	2026/01/14 18:04	2026/01/14 18:04	2026/01/14 18:07	a9d6a792

Created	Duration	User	Patch	Repo	Result
2026/10/12 00:49	14m	retest repro		git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b88c841d11641923fa3a4da011d7202cd89df68a	no crash job log log

Created

Duration

User

Patch

Repo

Result

2026/10/12 00:49

14m

retest repro

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b88c841d11641923fa3a4da011d7202cd89df68a

no crash job log log

BUG: KCSAN: data-race in data_alloc / prb_reserve test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test test

Crashes (1321):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	C repro	VM info	Assets (help?)	Manager	Title
2026/10/13 23:16	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git	24a19b953e2a	4f92358f	.config	console log	report	C			ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/30 02:28	upstream	4dd16e31135e	b498adee	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/28 14:42	upstream	65ba8f34ec88	858db2ec	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/25 18:51	upstream	21a7f44fd076	1d9ca40b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/24 14:38	upstream	5b0764a53235	1d9ca40b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/14 00:50	upstream	24a19b953e2a	7321cd29	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/07 00:48	upstream	69f80fef3153	f7710056	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/05 19:36	upstream	67f0943b394d	af63e995	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/05 09:34	upstream	a90ee4305c4a	57bbd979	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/10/04 04:44	upstream	a74306e2e676	57bbd979	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/27 22:05	upstream	efb44d93a620	a3c7249d	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/21 16:12	upstream	93f51579e7df	853b104b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/15 17:26	upstream	587858367581	2daa4bb5	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/14 11:10	upstream	704340f1cd0d	70a60e12	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/13 23:31	upstream	d681d7ef617e	70a60e12	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/13 07:13	upstream	2f0c1cf72f46	70a60e12	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/09/09 01:39	upstream	893e11787f78	243b72f1	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/30 23:08	upstream	a23cbb05744b	2f52988a	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/22 03:31	upstream	26260251022f	1e72964b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/20 09:34	upstream	a4ff2be345d0	1e72964b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/15 17:16	upstream	15ef2f78c49d	746171ee	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/15 08:59	upstream	dac3e89a2c90	746171ee	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/10 18:00	upstream	db2ddb871435	5d63f80b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/08 10:13	upstream	bcc44b6785f2	5d63f80b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/06 02:25	upstream	0d8395707651	cd5b1963	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/02 09:08	upstream	2d2338c93da7	e611ffe1	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/08/02 02:41	upstream	02dc699f83d0	e611ffe1	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/28 10:32	upstream	62cc90241548	45ae1df4	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/26 11:50	upstream	3dab139d4795	492bab15	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/24 09:36	upstream	d326f83e819c	544adce9	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/23 14:55	upstream	4539944e5151	71a13572	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/20 08:10	upstream	82a47586c0b9	72524a66	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/19 14:03	upstream	c6859eed755d	72524a66	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/17 12:20	upstream	fce2dfa773ce	7f27c57a	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/15 20:03	upstream	58717b2a1365	a4ed0f4f	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/14 17:32	upstream	3b029c035b34	2130f682	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/13 18:29	upstream	a13c140cc289	cc4833d0	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/13 03:13	upstream	f4fb100039e9	d78ea535	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/10 05:03	upstream	a635d6748234	4167ee25	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/09 23:37	upstream	2c7c88a412aa	a0c310a3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/06 09:45	upstream	8cdeaa50eae8	fcece630	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/07/03 11:32	upstream	51512e22efe8	58bf2096	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/06/28 22:03	upstream	8b69c0475871	fb92f11c	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/06/26 05:12	upstream	a142da0b2d32	7ff32d8b	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/05/19 05:09	upstream	4d3a2a466b8d	9f74d399	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/03/09 04:27	upstream	014441d1e4b2	5cb44a80	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2026/01/14 13:49	upstream	c537e12daeec	d6526ea3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2021/03/23 05:33	upstream	0d02ec6b3136	8092f30d	.config	console log	report		info		ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2021/03/21 21:14	upstream	812da4d39463	4c9a64da	.config	console log	report		info		ci2-upstream-kcsan-gce	KCSAN: data-race in data_alloc / prb_reserve
2021/01/11 05:54	upstream	0653161f0fac	2c1f2513	.config	console log	report		info		ci2-upstream-kcsan-gce
2020/12/17 20:32	upstream	accefff5b547	04201c06	.config	console log	report		info		ci2-upstream-kcsan-gce

Crashes (1321):

Assets (help?)

2026/10/13 23:16

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git