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BUG: KASAN: double-free in rcu_free_sheaf+0x31/0x200
Free of addr ffff88816b571e00 by task swapper/1/0

CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #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+0xe8/0x150
 print_address_description+0x55/0x1e0
 print_report+0x58/0x70
 kasan_report_invalid_free+0xea/0x110
 __kasan_slab_pre_free+0x104/0x120
 __rcu_free_sheaf_prepare+0x10a/0x2a0
 rcu_free_sheaf+0x31/0x200
 rcu_core+0x926/0x1260
 handle_softirqs+0x226/0x860
 __irq_exit_rcu+0xcb/0x220
 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+0xf/0x20
Code: 5b 87 02 c3 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 d3 91 23 00 fb f4 <e9> 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc900001a7e40 EFLAGS: 00000206
RAX: 000000000006cf71 RBX: ffffffff819bcc20 RCX: 8000000000000001
RDX: 0000000000000001 RSI: ffffffff8e404e70 RDI: ffffffff8c6dad80
RBP: ffffc900001a7f10 R08: ffff88823c633a1b R09: 1ffff110478c6743
R10: dffffc0000000000 R11: ffffed10478c6744 R12: 0000000000000000
R13: 1ffff1102c095000 R14: 1ffff92000034fd0 R15: dffffc0000000000
 default_idle+0x9/0x20
 default_idle_call+0x72/0xb0
 do_idle+0x2e0/0x540
 cpu_startup_entry+0x43/0x60
 start_secondary+0x101/0x110
 common_startup_64+0x13e/0x157
 </TASK>

Allocated by task 5494:
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x321/0x600
 hwsim_update_pib+0x7e/0x400
 hwsim_set_promiscuous_mode+0x196/0x2e0
 drv_set_promiscuous_mode+0x159/0x2e0
 drv_start+0x4ea/0x1010
 mac802154_scan_worker+0x8e6/0xe60
 process_scheduled_works+0xc3d/0x1630
 worker_thread+0xa47/0xfb0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30

Freed by task 0:
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x40/0x50
 __kasan_slab_free+0x5c/0x80
 __rcu_free_sheaf_prepare+0x12d/0x2a0
 rcu_free_sheaf+0x31/0x200
 rcu_core+0x926/0x1260
 handle_softirqs+0x226/0x860
 __irq_exit_rcu+0xcb/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20

The buggy address belongs to the object at ffff88816b571e00
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes inside of
 64-byte region [ffff88816b571e00, ffff88816b571e40)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16b571
flags: 0x57ff00000000000(node=1|zone=2|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 057ff00000000000 ffff8881000418c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000200020 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2087, tgid 2087 (kworker/u10:3), ts 9318667568
 post_alloc_hook+0x1f9/0x250
 get_page_from_freelist+0x2209/0x2280
 __alloc_frozen_pages_noprof+0x217/0x5a0
 allocate_slab+0x7d/0x620
 refill_objects+0x2d5/0x350
 __pcs_replace_empty_main+0x2c8/0x6c0
 __kmalloc_node_noprof+0x54d/0x720
 __vmalloc_node_range_noprof+0x5b4/0x1540
 __vmalloc_node_noprof+0xc2/0x100
 dup_task_struct+0x2c6/0xa00
 copy_process+0x7e0/0x4400
 kernel_clone+0x2d7/0x940
 user_mode_thread+0x115/0x180
 call_usermodehelper_exec_work+0x5c/0x230
 process_scheduled_works+0xc3d/0x1630
 worker_thread+0xa47/0xfb0
page last free pid 2087 tgid 2087 ts 9318650702 stack trace:
 __free_frozen_pages+0xc93/0xd90
 __kasan_populate_vmalloc+0x1a8/0x1c0
 alloc_vmap_area+0xd1a/0x1420
 __get_vm_area_node+0x200/0x2f0
 __vmalloc_node_range_noprof+0x343/0x1540
 __vmalloc_node_noprof+0xc2/0x100
 dup_task_struct+0x2c6/0xa00
 copy_process+0x7e0/0x4400
 kernel_clone+0x2d7/0x940
 user_mode_thread+0x115/0x180
 call_usermodehelper_exec_work+0x5c/0x230
 process_scheduled_works+0xc3d/0x1630
 worker_thread+0xa47/0xfb0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30

Memory state around the buggy address:
 ffff88816b571d00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88816b571d80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
>ffff88816b571e00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
                   ^
 ffff88816b571e80: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
 ffff88816b571f00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
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