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BUG: KFENCE: use-after-free write in rose_timer_expiry+0x22d/0x4b0

Use-after-free write at 0xffff888136548e2a (in kfence-#163):
 rose_timer_expiry+0x22d/0x4b0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
 pv_native_safe_halt+0x13/0x20
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x147

kfence-#163: 0xffff888136548000-0xffff88813654823f, size=576, cache=radix_tree_node

allocated by task 22912 on cpu 0 at 335.820444s (6.410404s ago):
 xas_create+0x116b/0x1b90
 xas_store+0x95/0x1880
 shmem_add_to_page_cache+0x7c7/0xb10
 shmem_alloc_and_add_folio+0x846/0xf60
 shmem_get_folio_gfp+0x59d/0x1660
 shmem_fault+0x179/0x390
 __do_fault+0x138/0x390
 __handle_mm_fault+0x37ed/0x5620
 handle_mm_fault+0x40a/0x8e0
 __get_user_pages+0x1af4/0x30b0
 populate_vma_page_range+0x26b/0x340
 __mm_populate+0x24c/0x380
 vm_mmap_pgoff+0x3f0/0x4c0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

freed by task 0 on cpu 0 at 335.939886s (6.319527s ago):
 rcu_core+0xca8/0x1710
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
 pv_native_safe_halt+0x13/0x20
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 rest_init+0x2de/0x300
 start_kernel+0x47d/0x500
 x86_64_start_reservations+0x24/0x30
 x86_64_start_kernel+0x143/0x1c0
 common_startup_64+0x13e/0x147

CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc5-syzkaller-00212-g9f735b6f8a77-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:rose_timer_expiry+0x22d/0x4b0
Code: 80 3c 28 00 74 08 4c 89 e7 e8 2f 78 bf f7 4d 8b 24 24 49 83 c4 2a 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 2c 02 00 00 <66> 41 ff 0c 24 4c 89 ff be 6e 00 00 00 ba ff ff ff ff b9 ff ff ff
RSP: 0018:ffffc900001e0b68 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881132396f8 RCX: ffff888100698000
RDX: 0000000000000100 RSI: ffffffff8f678db0 RDI: 0000000000000002
RBP: 1ffff110226472bd R08: ffff888100698000 R09: 0000000000000004
R10: 0000000000000004 R11: 0000000000000100 R12: ffff888136548e2a
R13: dffffc0000000000 R14: ffff8881132391c0 R15: ffff888113239000
FS:  0000000000000000(0000) GS:ffff8881a3c26000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888136548e2a CR3: 0000000126b98000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:pv_native_safe_halt+0x13/0x20
Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 93 cd 1a 00 f3 0f 1e fa fb f4 <e9> c8 dd 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000177de0 EFLAGS: 00000286
RAX: 2a1448650afca400 RBX: ffffffff81976c78 RCX: 2a1448650afca400
RDX: 0000000000000001 RSI: ffffffff8d996069 RDI: ffffffff8be28c40
RBP: ffffc90000177f20 R08: ffff888136632f5b R09: 1ffff11026cc65eb
R10: dffffc0000000000 R11: ffffed1026cc65ec R12: ffffffff8fa1d5f0
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110200d3000
 default_idle+0x13/0x20
 default_idle_call+0x74/0xb0
 do_idle+0x1e8/0x510
 cpu_startup_entry+0x44/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x147
 </TASK>
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