Shift exponent 149 is too large for 64-bit type 'long unsigned int'ĬPU: 0 PID: 12 Comm: ksoftirqd/0 Not tainted 5.11.0-syzkaller #0ĭump_stack+0xfa/0x151 lib/dump_stack.c:120ĭetach_tasks kernel/sched/fair.c:7712 Reported-by: shift-out-of-bounds in kernel/sched/fair.c:7712:14 HEAD commit: 31caf8b2 Merge branch 'linus' of git:///pub/. Syzbot has found a reproducer for the following issue on: ![]() To: akpm, bp, hpa, linux-kernel, luto, mingo, peterz, syzkaller-bugs, ` (2 subsequent siblings) 3 siblings, 1 reply 8+ messages in thread 9:01 ` sched/fair: Fix shift-out-of-bounds in load_balance() tip-bot2 for Valentin Schneider 9:30 UBSAN: shift-out-of-bounds in load_balance 17:12 ` syzbot * Re: UBSAN: shift-out-of-bounds in load_balance ![]() Syzbot engineers can be reached at will keep track of this issue. Tcp_transmit_skb net/ipv4/tcp_output.c:1423 NF_HOOK_COND include/linux/netfilter.h:290 _ip_finish_output net/ipv4/ip_output.c:308 Rcu_read_unlock_bh include/linux/rcupdate.h:745 Local_bh_enable include/linux/bottom_half.h:32 _run_on_irqstack arch/x86/include/asm/irq_stack.h:26 Rebalance_domains+0x5cc/0xdb0 kernel/sched/fair.c:10058 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google Shift exponent 86 is too large for 64-bit type 'long unsigned int'ĬPU: 1 PID: 13261 Comm: kworker/u4:13 Not tainted 5.11.0-rc4-next-20210121-syzkaller #0 Reported-by: shift-out-of-bounds in kernel/sched/fair.c:7741:14 ![]() IMPORTANT: if you fix the issue, please add the following tag to the commit: Unfortunately, I don't have any reproducer for this issue yet. HEAD commit: bc085f8f Add linux-next specific files for 20210121 To: akpm, bp, hpa, linux-kernel, luto, mingo, syzkaller-bugs, tglx, x86 ` (3 more replies) 0 siblings, 4 replies 8+ messages in thread ![]() UBSAN: shift-out-of-bounds in load_balance All the mail mirrored from help / color / mirror / Atom feed * UBSAN: shift-out-of-bounds in load_balance 9:30 syzbot
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