================================================================================ UBSAN: shift-out-of-bounds in kernel/sched/fair.c:7741:14 shift exponent 74 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 4869 Comm: systemd-udevd Not tainted 5.11.0-rc4-next-20210120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395 detach_tasks kernel/sched/fair.c:7741 [inline] load_balance.cold+0x1d/0x2e kernel/sched/fair.c:9670 rebalance_domains+0x5cc/0xdb0 kernel/sched/fair.c:10058 __do_softirq+0x2bc/0xa29 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:420 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:432 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x77/0x80 kernel/kcov.c:272 Code: f0 72 27 41 0f b6 fb 41 0f b6 c9 48 83 c2 01 48 c7 44 30 e0 01 00 00 00 48 89 7c 30 e8 48 89 4c 30 f0 4c 89 54 d8 20 48 89 10 <5b> c3 0f 1f 80 00 00 00 00 53 41 89 fb 41 89 f1 bf 03 00 00 00 65 RSP: 0018:ffffc90000ecf900 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000000000e RCX: ffff888013580000 RDX: 0000000000000000 RSI: ffff888013580000 RDI: 0000000000000003 RBP: ffff8880247ba580 R08: 0000000000000000 R09: 000000000000000e R10: ffffffff8389a21a R11: 0000000000000010 R12: 0000000000000026 R13: 00000000000002f4 R14: dffffc0000000000 R15: 0000000000000000 tomoyo_domain_quota_is_ok+0x32a/0x550 security/tomoyo/util.c:1092 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:1288 vfs_getattr fs/stat.c:121 [inline] vfs_fstat+0x43/0xb0 fs/stat.c:146 __do_sys_newfstat+0x81/0x100 fs/stat.c:386 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f81ed2282e2 Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7 RSP: 002b:00007fff964e5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f81ed2282e2 RDX: 00007fff964e5040 RSI: 00007fff964e5040 RDI: 000000000000000f RBP: 00007f81ee3b5710 R08: 0000561ba9e56f60 R09: 0000000000001010 R10: 00007f81ed4e6b58 R11: 0000000000000246 R12: 0000000000000000 R13: 0000561ba9e56b90 R14: 00000000000000ff R15: 0000561ba9e56b90 ================================================================================