Internal error in __switch

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision
e2667f0d	repro-c		💥	Internal error in __switch_to (2)	2026/10/20 23:14	2026/10/20 23:14	2026/10/21 13:35	61c200c7
a6291056	assessment-security	DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	Internal error in __switch_to (2)	2026/10/19 01:16	2026/10/19 01:16	2026/10/19 01:35	432c0077

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	Internal error in __switch_to arm	2				2	873d	869d	0/29	auto-obsoleted due to no activity on 2024/08/29 02:57
linux-6.1	KASAN: slab-out-of-bounds Read in __switch_to	17				1	477d	477d	0/3	auto-obsoleted due to no activity on 2025/10/09 02:03

Kernel

Title

Rank 🛈

upstream

Internal error in __switch_to arm

873d

869d

0/29

auto-obsoleted due to no activity on 2024/08/29 02:57

linux-6.1

KASAN: slab-out-of-bounds Read in __switch_to

477d

0/3

auto-obsoleted due to no activity on 2025/10/09 02:03

Internal error: Oops - FPAC: 0000000072000000 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 6465 Comm: syz.1.358 Tainted: G M syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 pstate: 234000c5 (nzCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __switch_to+0x2c8/0x6e4 arch/arm64/kernel/process.c:777 lr : 0x0 sp : ffff80009a226fe0 x29: 0000000000000000 x28: 0000000080000000 x27: 1fffe000183450b0 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000349f7028 x17: 0000000000000003 x16: ffff800089797000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 00000000000000c0 x10: a0409a11cad66ceb x9 : 81d29e7300c921ed x8 : ffff0000c5e0b988 x7 : ffff800080542460 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008688ada8 x2 : 00000000c8002000 x1 : ffff0000c5e09d80 x0 : ffff0000ceed3b00 Call trace: __switch_to+0x2c8/0x6e4 arch/arm64/kernel/process.c:777 (P) Code: a94357f6 a9425ff8 a94167fa a8c57bfd (d50323bf) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: a94357f6 ldp x22, x21, [sp, #48] 4: a9425ff8 ldp x24, x23, [sp, #32] 8: a94167fa ldp x26, x25, [sp, #16] c: a8c57bfd ldp x29, x30, [sp], #80 * 10: d50323bf autiasp <-- trapping instruction

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/10/17 13:52	git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci	7a19f0cc94ad	432c0077	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-gce-arm64	Internal error in __switch_to

Crashes (1):

Assets (help?)