=====================================================
BUG: KMSAN: uninit-value in __hlist_del include/linux/list.h:980 [inline]
BUG: KMSAN: uninit-value in detach_timer kernel/time/timer.c:891 [inline]
BUG: KMSAN: uninit-value in expire_timers kernel/time/timer.c:1781 [inline]
BUG: KMSAN: uninit-value in __run_timers kernel/time/timer.c:2372 [inline]
BUG: KMSAN: uninit-value in __run_timer_base+0x690/0xd90 kernel/time/timer.c:2384
 __hlist_del include/linux/list.h:980 [inline]
 detach_timer kernel/time/timer.c:891 [inline]
 expire_timers kernel/time/timer.c:1781 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x690/0xd90 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0x3a/0x80 kernel/time/timer.c:2403
 handle_softirqs+0x166/0x6e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x66/0x180 kernel/softirq.c:680
 irq_exit_rcu+0x12/0x20 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0x84/0x90 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
 page_has_metadata mm/kmsan/shadow.c:38 [inline]
 kmsan_get_metadata+0x104/0x160 mm/kmsan/shadow.c:144
 kmsan_get_shadow_origin_ptr+0x35/0xb0 mm/kmsan/shadow.c:97
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:38 [inline]
 __msan_metadata_ptr_for_load_8+0x24/0x40 mm/kmsan/instrumentation.c:94
 __schedule+0x82/0x7790 kernel/sched/core.c:6836
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0x17d/0x3c0 kernel/sched/core.c:7058
 worker_thread+0x12f9/0x1590 kernel/workqueue.c:3415
 kthread+0xd59/0xf00 kernel/kthread.c:463
 ret_from_fork+0x233/0x380 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4197 [inline]
 slab_alloc_node mm/slub.c:4240 [inline]
 __kmalloc_cache_noprof+0x7f7/0xed0 mm/slub.c:4402
 kmalloc_noprof include/linux/slab.h:905 [inline]
 rose_add_node net/rose/rose_route.c:85 [inline]
 rose_rt_ioctl+0x1fc7/0x3b30 net/rose/rose_route.c:748
 rose_ioctl+0x4f8/0xc60 net/rose/af_rose.c:1381
 sock_do_ioctl+0x9c/0x480 net/socket.c:1238
 sock_ioctl+0x70b/0xd60 net/socket.c:1359
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0x239/0x400 fs/ioctl.c:584
 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:584
 x64_sys_call+0x1cbc/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 8644 Comm: kworker/u8:25 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue:  0x0 (events_unbound)
=====================================================