KMSAN: uninit-value in _

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[syzbot] [kernel?] KMSAN: uninit-value in __schedule (5)	0 (1)	2024/04/10 09:12

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2024/04/10 09:12

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
upstream	KMSAN: uninit-value in __schedule (4) reiserfs sctp	C	error	4	241d	237d	0/26	auto-obsoleted due to no activity on 2023/12/10 17:35
upstream	KMSAN: uninit-value in __schedule (3) net trace			2	439d	442d	0/26	auto-obsoleted due to no activity on 2023/05/17 02:32
upstream	KMSAN: uninit-value in __schedule (2) kernel			1	612d	612d	0/26	auto-obsoleted due to no activity on 2022/11/24 18:35
linux-4.19	KASAN: use-after-free Read in __schedule			1	1155d	1155d	0/1	auto-closed as invalid on 2021/06/29 13:25
linux-4.19	KASAN: use-after-free Read in __schedule (2)			1	832d	832d	0/1	auto-closed as invalid on 2022/05/18 22:28
android-54	BUG: unable to handle kernel paging request in __schedule	C		12	1160d	1316d	0/2	auto-obsoleted due to no activity on 2023/04/17 21:57

Dead loop on virtual device ipvlan1, fix it urgently! ===================================================== BUG: KMSAN: uninit-value in schedule_debug kernel/sched/core.c:5962 [inline] BUG: KMSAN: uninit-value in __schedule+0x816/0x6bc0 kernel/sched/core.c:6629 schedule_debug kernel/sched/core.c:5962 [inline] __schedule+0x816/0x6bc0 kernel/sched/core.c:6629 preempt_schedule_common kernel/sched/core.c:6925 [inline] __cond_resched+0x49/0xc0 kernel/sched/core.c:8590 _cond_resched include/linux/sched.h:1988 [inline] process_one_work kernel/workqueue.c:3287 [inline] process_scheduled_works+0xc19/0x1bd0 kernel/workqueue.c:3335 worker_thread+0xea5/0x1560 kernel/workqueue.c:3416 kthread+0x3e2/0x540 kernel/kthread.c:388 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 Local variable _addrs created at: nf_ct_get_tuple+0x56/0x7d0 net/netfilter/nf_conntrack_core.c:277 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1822 [inline] nf_conntrack_in+0x5cd/0x30d0 net/netfilter/nf_conntrack_core.c:1996 CPU: 0 PID: 5088 Comm: kworker/0:4 Tainted: G W 6.9.0-rc2-syzkaller-00207-ge8b0ccb2a787 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: mld mld_ifc_work =====================================================

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/04/06 09:02	upstream	e8b0ccb2a787	ca620dd8	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-kmsan-gce-root	KMSAN: uninit-value in __schedule

Crashes (1):