=====================================================
BUG: KMSAN: uninit-value in expire_timers+0x3d3/0x650 kernel/time/timer.c:1459
 expire_timers+0x3d3/0x650 kernel/time/timer.c:1459
 __run_timers+0x6a4/0xa30 kernel/time/timer.c:1734
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1747
 __do_softirq+0x1c9/0x6ec kernel/softirq.c:558
 run_ksoftirqd+0x20/0x40 kernel/softirq.c:920
 smpboot_thread_fn+0x4c7/0x980 kernel/smpboot.c:164
 kthread+0x66b/0x780 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30

Local variable pmde.sroa.0 created at:
 page_vma_mapped_walk+0xcf/0x35a0 mm/page_vma_mapped.c:164
 page_referenced_one+0x754/0xc10 mm/rmap.c:783
=====================================================
Kernel panic - not syncing: panic_on_kmsan set ...
CPU: 1 PID: 17 Comm: ksoftirqd/1 Tainted: G    B             5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1ff/0x28e lib/dump_stack.c:106
 dump_stack+0x25/0x28 lib/dump_stack.c:113
 panic+0x44f/0xdeb kernel/panic.c:232
 kmsan_report+0x2e9/0x2f0 mm/kmsan/report.c:200
 __msan_warning+0xb4/0x100 mm/kmsan/instrumentation.c:224
 expire_timers+0x3d3/0x650 kernel/time/timer.c:1459
 __run_timers+0x6a4/0xa30 kernel/time/timer.c:1734
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1747
 __do_softirq+0x1c9/0x6ec kernel/softirq.c:558
 run_ksoftirqd+0x20/0x40 kernel/softirq.c:920
 smpboot_thread_fn+0x4c7/0x980 kernel/smpboot.c:164
 kthread+0x66b/0x780 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
Kernel Offset: disabled
Rebooting in 86400 seconds..