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WARNING: CPU: 3 PID: 13609 at drivers/rtc/rtc-mc146818-lib.c:25 mc146818_get_time+0x665/0x860 drivers/rtc/rtc-mc146818-lib.c:25
Modules linked in:
CPU: 3 PID: 13609 Comm: syz-executor.0 Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:mc146818_get_time+0x665/0x860 drivers/rtc/rtc-mc146818-lib.c:25
Code: eb 4e e8 be f9 c9 fb 4c 89 e6 48 c7 c7 e0 6b b9 8b e8 af 0d 54 03 bf 58 89 41 00 e8 15 b2 33 fe e9 d5 f9 ff ff e8 9b f9 c9 fb <0f> 0b 48 c7 c7 e0 6b b9 8b 4c 89 e6 45 31 e4 e8 87 0d 54 03 ba 24
RSP: 0000:ffffc90009effc90 EFLAGS: 00010046
RAX: 0000000080010001 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff88801332d340 RSI: ffffffff85a8d7c5 RDI: 0000000000000003
RBP: ffffc90009effd28 R08: 0000000000000001 R09: 0000000000000022
R10: ffffffff85a8d1c2 R11: 0000000000000000 R12: 0000000000000046
R13: 0000000000000022 R14: ffffc90009effe40 R15: ffff888010d9e000
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:000000000940b380
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000008182ad4 CR3: 000000006a8c2000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hpet_rtc_interrupt+0x2b0/0x380 arch/x86/kernel/hpet.c:1358
 __handle_irq_event_percpu+0x303/0x8f0 kernel/irq/handle.c:156
 handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
 handle_irq_event+0x102/0x290 kernel/irq/handle.c:213
 handle_edge_irq+0x25f/0xd00 kernel/irq/chip.c:819
 run_irq_on_irqstack_cond arch/x86/include/asm/irq_stack.h:103 [inline]
 handle_irq arch/x86/kernel/irq.c:230 [inline]
 __common_interrupt arch/x86/kernel/irq.c:249 [inline]
 common_interrupt+0x96/0x200 arch/x86/kernel/irq.c:239
 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:620
RIP: 0023:0x805b0f8
Code: 66 90 8d 55 f8 39 3c 24 89 54 24 08 89 f2 19 da 72 5c 83 e8 08 89 da 39 cf 1b 54 24 04 73 24 89 74 24 04 8d b4 26 00 00 00 00 <8b> 48 f8 8b 50 fc 83 e8 08 89 de 39 cf 19 d6 72 ef 8b 74 24 04 89
RSP: 002b:00000000ff9a74b0 EFLAGS: 00000297
RAX: 00000000f7ebca10 RBX: 00000000ffffffff RCX: 0000000081a667a4
RDX: 00000000ffffffff RSI: 00000000ffffffff RDI: 0000000081a51a56
RBP: 00000000f7d2b730 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000