toolchain: LLVM 11.0.0
config: defconfig + fuzzing.config + kcsan.config
==================================================================
BUG: KCSAN: data-race in timekeeping_delta_to_ns+0x34/0x94

race at unknown origin, with read to 0xffffc49fcd36bdd8 of 8 bytes by interrupt on cpu 1:
 timekeeping_delta_to_ns+0x34/0x94
 timekeeping_get_ns+0x150/0x1cc
 ktime_get+0xb8/0x10c
 clockevents_program_event+0xe4/0x270
 tick_program_event+0xac/0xf8
 hrtimer_interrupt+0x1cc/0x5e8
 arch_timer_handler_virt+0x68/0x7c
 handle_percpu_devid_irq+0x130/0x280
 handle_irq_desc+0x4c/0x6c
 generic_handle_domain_irq+0x64/0x84
 gic_handle_irq+0x90/0x1b8
 call_on_irq_stack+0x28/0x50
 do_interrupt_handler+0xb0/0x100
 el1_interrupt+0x34/0x60
 el1h_64_irq_handler+0x18/0x24
 el1h_64_irq+0x74/0x78
 _raw_spin_unlock_irqrestore+0xa4/0x128
 klist_next+0x130/0x174
 bus_for_each_dev+0xcc/0x154
 driver_attach+0x40/0x50
 bus_add_driver+0x1c4/0x370
 driver_register+0x188/0x240
 __platform_driver_register+0x54/0x68
 mixel_dphy_driver_init+0x28/0x34
 do_one_initcall+0x80/0x1a4
 do_initcall_level+0x14c/0x1cc
 do_initcalls+0x74/0xc4
 do_basic_setup+0x28/0x34
 kernel_init_freeable+0xc4/0x128
 kernel_init+0x2c/0x314
 ret_from_fork+0x10/0x20

value changed: 0x000d87bec0000000 -> 0x000d970100000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.16.0-rc4-00002-g5854738642b4 #1
Hardware name: linux,dummy-virt (DT)
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