------------[ cut here ]------------ WARNING: CPU: 3 PID: 5096 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: 5096 Comm: systemd-udevd 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 8e 43 ca fb 4c 89 e6 48 c7 c7 e0 6b b9 8b e8 5f db 53 03 bf 58 89 41 00 e8 95 bb 33 fe e9 d5 f9 ff ff e8 6b 43 ca fb <0f> 0b 48 c7 c7 e0 6b b9 8b 4c 89 e6 45 31 e4 e8 37 db 53 03 ba 24 RSP: 0018:ffffc90000598d68 EFLAGS: 00010046 RAX: 0000000080010001 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff888013e01bc0 RSI: ffffffff85a87a85 RDI: 0000000000000003 RBP: ffffc90000598e00 R08: 0000000000000001 R09: 0000000000000002 R10: ffffffff85a87482 R11: 0000000000000000 R12: 0000000000000046 R13: 0000000000000002 R14: ffffc90000598f18 R15: ffff888010d9e000 FS: 00007f437445f8c0(0000) GS:ffff88802cd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f5545db0 CR3: 0000000015734000 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 asm_call_irq_on_stack+0xf/0x20 __run_irq_on_irqstack arch/x86/include/asm/irq_stack.h:48 [inline] run_irq_on_irqstack_cond arch/x86/include/asm/irq_stack.h:101 [inline] handle_irq arch/x86/kernel/irq.c:230 [inline] __common_interrupt arch/x86/kernel/irq.c:249 [inline] common_interrupt+0x120/0x200 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:620 RIP: 0010:tomoyo_domain_quota_is_ok+0x2fa/0x550 security/tomoyo/util.c:1093 Code: ea fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 bc 01 00 00 00 31 db e8 7f 22 ea fd 89 d9 44 89 e0 31 ff d3 f8 <83> e0 01 41 89 c7 89 c6 e8 e9 29 ea fd 45 85 ff 74 09 e8 5f 22 ea RSP: 0018:ffffc90000d37870 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000000000c RCX: 000000000000000c RDX: ffff888013e01bc0 RSI: ffffffff83889b71 RDI: 0000000000000000 RBP: ffff888014426500 R08: 0000000000000000 R09: 000000000000000c R10: ffffffff83889baa R11: 0000000000000010 R12: 0000000000000002 R13: 0000000000000288 R14: dffffc0000000000 R15: 0000000000000000 tomoyo_supervisor+0x2f2/0xef0 security/tomoyo/common.c:2089 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission security/tomoyo/file.c:587 [inline] tomoyo_path_permission+0x270/0x3a0 security/tomoyo/file.c:573 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838 security_inode_getattr+0xcf/0x140 security/security.c:1280 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x164/0x390 fs/stat.c:189 vfs_fstatat fs/stat.c:207 [inline] vfs_lstat include/linux/fs.h:3122 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:362 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f43732d2335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007fff179449e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 00005586e0554990 RCX: 00007f43732d2335 RDX: 00007fff17944a20 RSI: 00007fff17944a20 RDI: 00005586e0553990 RBP: 00007fff17944ae0 R08: 00007f43735911f8 R09: 0000000000001010 R10: 00007f4373590b58 R11: 0000000000000246 R12: 00005586e0553990 R13: 00005586e05539aa R14: 00005586e055e425 R15: 00005586e055e42a