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BUG: KASAN: slab-out-of-bounds in rose_timer_expiry+0x471/0x4b0
Read of size 2 at addr ffff888110f35c2a by task syz.1.2344/14308

CPU: 0 UID: 0 PID: 14308 Comm: syz.1.2344 Not tainted 6.16.0-rc6-syzkaller-00135-gcf074eca0065-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <IRQ>
 dump_stack_lvl+0x189/0x250
 print_report+0xca/0x230
 kasan_report+0x118/0x150
 rose_timer_expiry+0x471/0x4b0
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 22 f6 e8 c6 00 59 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900040d77c0 EFLAGS: 00000282
RAX: cb458759411cf300 RBX: 0000000000000000 RCX: cb458759411cf300
RDX: 0000000000000006 RSI: ffffffff8d996116 RDI: 0000000000000001
RBP: ffffc900040d7870 R08: ffffffff8fa1d6f7 R09: 1ffffffff1f43ade
R10: dffffc0000000000 R11: fffffbfff1f43adf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200081aef8
 irqentry_exit+0x6f/0x90
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:lockdep_unregister_key+0x2c5/0x310
Code: 65 48 8b 05 6d 6f 01 11 48 3b 44 24 10 0f 84 26 fe ff ff e8 2d 27 cf 09 e8 58 28 cf 09 41 f7 c7 00 02 00 00 74 bd fb 40 84 ed <75> bc eb cd 90 0f 0b 90 e9 19 ff ff ff 90 0f 0b 90 e9 2a ff ff ff
RSP: 0018:ffffc900040d7938 EFLAGS: 00000246
RAX: cb458759411cf300 RBX: ffff888124f59a98 RCX: cb458759411cf300
RDX: ffffffff93638318 RSI: ffffffff8d9a9a37 RDI: ffffffff8be28c00
RBP: ffff888124f59a00 R08: 0000000000000000 R09: ffffffff81ab4a78
R10: dffffc0000000000 R11: fffffbfff1f43adf R12: 0000000000000000
R13: 0000000000001000 R14: 0000000000000000 R15: 0000000000000a03
 __qdisc_destroy+0x166/0x420
 dev_shutdown+0x93/0x440
 unregister_netdevice_many_notify+0xea7/0x2320
 unregister_netdevice_queue+0x33c/0x380
 __tun_detach+0xda4/0x1560
 tun_chr_close+0x10a/0x1c0
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb4b38e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec5fee6e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fbb4b5b7ba0 RCX: 00007fbb4b38e9a9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fbb4b5b7ba0 R08: 000000000000020c R09: 0000001ec5fee9df
R10: 00000000003ffbd0 R11: 0000000000000246 R12: 0000000000041443
R13: 00007fbb4b5b6080 R14: ffffffffffffffff R15: 00007ffec5fee800
 </TASK>

Allocated by task 10337:
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 skb_clone+0x212/0x3a0
 maybe_deliver+0x98/0x160
 br_flood+0x31a/0x6a0
 br_handle_frame_finish+0x14b4/0x19b0
 br_nf_hook_thresh+0x3c6/0x4a0
 br_nf_pre_routing_finish_ipv6+0x948/0xd00
 br_nf_pre_routing_ipv6+0x37e/0x6b0
 br_handle_frame+0x982/0x14c0
 __netif_receive_skb_core+0x10e1/0x4180
 __netif_receive_skb+0x72/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 do_softirq+0xec/0x180
 __local_bh_enable_ip+0x17d/0x1c0
 netif_rx+0x83/0x90
 macvlan_broadcast+0x373/0x630
 macvlan_process_broadcast+0x457/0x660
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30

Freed by task 10337:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 ip6_mc_input+0x9c3/0xbe0
 NF_HOOK+0x30c/0x3a0
 __netif_receive_skb+0xd3/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 do_softirq+0xec/0x180
 __local_bh_enable_ip+0x17d/0x1c0
 netif_rx+0x83/0x90
 macvlan_broadcast+0x373/0x630
 macvlan_process_broadcast+0x457/0x660
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30

The buggy address belongs to the object at ffff888110f35b00
 which belongs to the cache skbuff_head_cache of size 240
The buggy address is located 58 bytes to the right of
 allocated 240-byte region [ffff888110f35b00, ffff888110f35bf0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x110f34
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x57ff00000000040(head|node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000040 ffff88801cefca00 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000150015 00000000f5000000 0000000000000000
head: 057ff00000000040 ffff88801cefca00 dead000000000122 0000000000000000
head: 0000000000000000 0000000000150015 00000000f5000000 0000000000000000
head: 057ff00000000001 ffffea000443cd01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0x52820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 10337, tgid 10337 (kworker/u10:11), ts 263629818698, free_ts 256244029493
 post_alloc_hook+0x240/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 allocate_slab+0x8a/0x3b0
 ___slab_alloc+0xbfc/0x1480
 kmem_cache_alloc_noprof+0x283/0x3c0
 skb_clone+0x212/0x3a0
 macvlan_handle_frame+0x7d2/0x12e0
 __netif_receive_skb_core+0x10e1/0x4180
 __netif_receive_skb+0x72/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x480
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 do_softirq+0xec/0x180
page last free pid 10817 tgid 10817 stack trace:
 __free_frozen_pages+0xc71/0xe70
 __put_partials+0x161/0x1c0
 put_cpu_partial+0x17c/0x250
 __slab_free+0x2f7/0x400
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_lru_noprof+0x1c6/0x3d0
 sock_alloc_inode+0x28/0xc0
 alloc_inode+0x6a/0x1b0
 __sock_create+0x12d/0x9f0
 rds_tcp_conn_path_connect+0x282/0x680
 rds_connect_worker+0x1d8/0x290
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0

Memory state around the buggy address:
 ffff888110f35b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888110f35b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
>ffff888110f35c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                  ^
 ffff888110f35c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888110f35d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
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