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UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18
shift exponent 71 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 9952 Comm: syz-executor.0 Not tainted 5.11.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 red_calc_qavg_from_idle_time include/net/red.h:312 [inline]
 red_adaptative_algo include/net/red.h:444 [inline]
 red_adaptative_timer.cold+0x1bd/0x26c net/sched/sch_red.c:324
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1731
 __run_timers kernel/time/timer.c:1712 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744
 __do_softirq+0x2bc/0xa29 kernel/softirq.c:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __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:629
RIP: 0010:__seqprop_spinlock_sequence include/linux/seqlock.h:277 [inline]
RIP: 0010:read_seqbegin include/linux/seqlock.h:843 [inline]
RIP: 0010:read_seqbegin_or_lock include/linux/seqlock.h:1147 [inline]
RIP: 0010:prepend_path+0x3d9/0xd90 fs/d_path.c:99
Code: f6 48 c7 c7 48 46 01 8b e8 54 25 8a ff 48 8b b4 24 38 01 00 00 48 c7 c7 48 46 01 8b e8 30 1e 8a ff 5a e8 da 1d a4 ff 41 55 9d <49> c7 c5 40 46 01 8b 4c 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 74
RSP: 0018:ffffc9000ab47910 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88802dfbd780 RCX: 0000000000000000
RDX: ffff88803cbb0000 RSI: ffffffff81ce9dc6 RDI: 0000000000000000
RBP: ffff888026da6a80 R08: 0000000000000001 R09: ffffffff8ed32837
R10: fffffbfff1da6506 R11: 0000000000000000 R12: ffffffffffffffea
R13: 0000000000000293 R14: 0000000000000200 R15: dffffc0000000000
 d_absolute_path+0xfa/0x180 fs/d_path.c:205
 tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline]
 tomoyo_realpath_from_path+0x282/0x620 security/tomoyo/realpath.c:276
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x21b/0x400 security/tomoyo/file.c:822
 tomoyo_path_symlink+0x94/0xe0 security/tomoyo/tomoyo.c:200
 security_path_symlink+0xdf/0x150 security/security.c:1111
 do_symlinkat+0x123/0x2c0 fs/namei.c:3987
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45df47
Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffcd62ce828 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045df47
RDX: 00007ffcd62ce8e3 RSI: 00000000004c3c8c RDI: 00007ffcd62ce8d0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000013
R10: 0000000000000075 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
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