INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P2155 (detected by 0, t=10502 jiffies, g=461, c=460, q=116) syz-executor093 R running task 28744 2155 2153 0x00000000 0000000000000083 ffff8801c922c740 0000000000000000 ffff8801db721000 ffff8801da6817c0 ffff8801db721018 ffff8801c8e87c48 ffffffff8280a5ce ffff8801c922c740 ffffffff8281b526 01ff8801c922c740 ffff8801db7218f0 Call Trace: [<00000000203e199e>] preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3601 [<00000000309f757f>] preempt_schedule+0x26/0x30 kernel/sched/core.c:3627 [<00000000051a3dfc>] ___preempt_schedule+0x16/0x18 [<0000000046d02aa7>] __sched_setscheduler+0x1cd0/0x3060 kernel/sched/core.c:4400 [<00000000298f9b43>] sched_setattr kernel/sched/core.c:4442 [inline] [<00000000298f9b43>] SYSC_sched_setattr kernel/sched/core.c:4616 [inline] [<00000000298f9b43>] SyS_sched_setattr+0x25c/0x3d0 kernel/sched/core.c:4595 [<00000000099ff292>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000028b0e855>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb syz-executor093 R running task 28744 2155 2153 0x00000000 0000000000000083 ffff8801c922c740 0000000000000000 ffff8801db721000 ffff8801da6817c0 ffff8801db721018 ffff8801c8e87c48 ffffffff8280a5ce ffff8801c922c740 ffffffff8281b526 01ff8801c922c740 ffff8801db7218f0 Call Trace: [<00000000203e199e>] preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:3601 [<00000000309f757f>] preempt_schedule+0x26/0x30 kernel/sched/core.c:3627 [<00000000051a3dfc>] ___preempt_schedule+0x16/0x18 [<0000000046d02aa7>] __sched_setscheduler+0x1cd0/0x3060 kernel/sched/core.c:4400 [<00000000298f9b43>] sched_setattr kernel/sched/core.c:4442 [inline] [<00000000298f9b43>] SYSC_sched_setattr kernel/sched/core.c:4616 [inline] [<00000000298f9b43>] SyS_sched_setattr+0x25c/0x3d0 kernel/sched/core.c:4595 [<00000000099ff292>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<0000000028b0e855>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb