------------[ cut here ]------------ WARNING: CPU: 1 PID: 30472 at kernel/sched/deadline.c:344 setup_new_dl_entity kernel/sched/deadline.c:344 [inline] WARNING: CPU: 1 PID: 30472 at kernel/sched/deadline.c:344 switched_to_dl kernel/sched/deadline.c:1861 [inline] WARNING: CPU: 1 PID: 30472 at kernel/sched/deadline.c:344 switched_to_dl+0x651/0x870 kernel/sched/deadline.c:1848 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 30472 Comm: syz-executor2 Not tainted 4.9.148+ #1 ffff8801d2c97b58 ffffffff81b44d01 0000000000000000 ffffffff82a39be0 00000000ffffffff 0000000000000001 0000000000000009 ffff8801d2c97c38 ffffffff813f727a 0000000041b58ab3 ffffffff82e354ca ffffffff813f70a1 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] panic+0x1d9/0x3bd kernel/panic.c:180 [] __warn.cold+0x2f/0x2f kernel/panic.c:546 [] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589 [] setup_new_dl_entity kernel/sched/deadline.c:344 [inline] [] switched_to_dl kernel/sched/deadline.c:1861 [inline] [] switched_to_dl+0x651/0x870 kernel/sched/deadline.c:1848 [] check_class_changed kernel/sched/core.c:959 [inline] [] __sched_setscheduler+0x906/0x3060 kernel/sched/core.c:4396 [] sched_setattr kernel/sched/core.c:4449 [inline] [] SYSC_sched_setattr kernel/sched/core.c:4623 [inline] [] SyS_sched_setattr+0x25c/0x3d0 kernel/sched/core.c:4602 [] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..