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BUG: KASAN: use-after-free in eth_header_parse_protocol+0xad/0xd0 net/ethernet/eth.c:282
Read of size 2 at addr ffff8881f528000b by task syz-executor538/340

CPU: 0 PID: 340 Comm: syz-executor538 Not tainted 5.4.107-syzkaller-00750-g543ec4541c0e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x24e lib/dump_stack.c:118
 print_address_description+0x9b/0x650 mm/kasan/report.c:384
 __kasan_report+0x182/0x260 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:641
 eth_header_parse_protocol+0xad/0xd0 net/ethernet/eth.c:282
 dev_parse_header_protocol include/linux/netdevice.h:2984 [inline]
 virtio_net_hdr_to_skb+0x6de/0xd70 include/linux/virtio_net.h:83
 packet_snd net/packet/af_packet.c:2976 [inline]
 packet_sendmsg+0x483a/0x6780 net/packet/af_packet.c:3013
 sock_sendmsg_nosec net/socket.c:638 [inline]
 sock_sendmsg net/socket.c:658 [inline]
 sock_write_iter+0x330/0x450 net/socket.c:990
 call_write_iter include/linux/fs.h:1971 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x5ec/0x780 fs/read_write.c:496
 vfs_write+0x212/0x4e0 fs/read_write.c:558
 ksys_write+0x186/0x2b0 fs/read_write.c:611
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43fbf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeabe05138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043fbf9
RDX: 000000000000054a RSI: 0000000020000200 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffeabe052d8 R09: 00007ffeabe052d8
R10: 00007ffeabe052d8 R11: 0000000000000246 R12: 0000000000403480
R13: 431bde82d7b634db R14: 00000000004ad018 R15: 0000000000400488

Allocated by task 1:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x137/0x1e0 mm/kasan/common.c:517
 kmem_cache_alloc_trace+0x139/0x2b0 mm/slub.c:2848
 kmalloc include/linux/slab.h:556 [inline]
 kzalloc include/linux/slab.h:690 [inline]
 acpi_os_allocate_zeroed include/acpi/platform/aclinuxex.h:57 [inline]
 acpi_ds_create_walk_state+0xfc/0x2b0 drivers/acpi/acpica/dswstate.c:518
 acpi_ds_call_control_method+0x137/0x684 drivers/acpi/acpica/dsmethod.c:498
 acpi_ps_parse_aml+0x2ab/0x955 drivers/acpi/acpica/psparse.c:503
 acpi_ps_execute_method+0x5a4/0x6e4 drivers/acpi/acpica/psxface.c:190
 acpi_ns_evaluate+0x616/0x9c0 drivers/acpi/acpica/nseval.c:205
 acpi_evaluate_object+0x590/0xac9 drivers/acpi/acpica/nsxfeval.c:354
 acpi_evaluate_integer+0x124/0x240 drivers/acpi/utils.c:283
 acpi_bus_get_status_handle drivers/acpi/bus.c:83 [inline]
 acpi_bus_get_status+0x13c/0x240 drivers/acpi/bus.c:112
 acpi_add_single_object+0x14b/0x18c0 drivers/acpi/scan.c:1652
 acpi_bus_check_add+0x454/0xeb0 drivers/acpi/scan.c:1898
 acpi_ns_walk_namespace+0x246/0x4ab drivers/acpi/acpica/nswalk.c:230
 acpi_walk_namespace+0xe8/0x117 drivers/acpi/acpica/nsxfeval.c:606
 acpi_bus_scan+0xd1/0x150 drivers/acpi/scan.c:2079
 acpi_scan_init+0x248/0x7e5 drivers/acpi/scan.c:2243
 acpi_init+0x159/0x20c drivers/acpi/bus.c:1249
 do_one_initcall+0x1d3/0x6b0 init/main.c:1203
 do_initcall_level+0x101/0x256 init/main.c:1270
 do_initcalls+0x4b/0x8c init/main.c:1286
 kernel_init_freeable+0x260/0x3eb init/main.c:1467
 kernel_init+0xd/0x3a0 init/main.c:1384
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

Freed by task 1:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:333 [inline]
 __kasan_slab_free+0x18a/0x240 mm/kasan/common.c:475
 slab_free_hook mm/slub.c:1454 [inline]
 slab_free_freelist_hook+0x7b/0x150 mm/slub.c:1492
 slab_free mm/slub.c:3072 [inline]
 kfree+0xe0/0x660 mm/slub.c:4061
 acpi_ps_parse_aml+0x7c3/0x955 drivers/acpi/acpica/psparse.c:677
 acpi_ps_execute_method+0x5a4/0x6e4 drivers/acpi/acpica/psxface.c:190
 acpi_ns_evaluate+0x616/0x9c0 drivers/acpi/acpica/nseval.c:205
 acpi_evaluate_object+0x590/0xac9 drivers/acpi/acpica/nsxfeval.c:354
 acpi_evaluate_integer+0x124/0x240 drivers/acpi/utils.c:283
 acpi_bus_get_status_handle drivers/acpi/bus.c:83 [inline]
 acpi_bus_get_status+0x13c/0x240 drivers/acpi/bus.c:112
 acpi_add_single_object+0x14b/0x18c0 drivers/acpi/scan.c:1652
 acpi_bus_check_add+0x454/0xeb0 drivers/acpi/scan.c:1898
 acpi_ns_walk_namespace+0x246/0x4ab drivers/acpi/acpica/nswalk.c:230
 acpi_walk_namespace+0xe8/0x117 drivers/acpi/acpica/nsxfeval.c:606
 acpi_bus_scan+0xd1/0x150 drivers/acpi/scan.c:2079
 acpi_scan_init+0x248/0x7e5 drivers/acpi/scan.c:2243
 acpi_init+0x159/0x20c drivers/acpi/bus.c:1249
 do_one_initcall+0x1d3/0x6b0 init/main.c:1203
 do_initcall_level+0x101/0x256 init/main.c:1270
 do_initcalls+0x4b/0x8c init/main.c:1286
 kernel_init_freeable+0x260/0x3eb init/main.c:1467
 kernel_init+0xd/0x3a0 init/main.c:1384
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

The buggy address belongs to the object at ffff8881f5280000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 11 bytes inside of
 2048-byte region [ffff8881f5280000, ffff8881f5280800)
The buggy address belongs to the page:
page:ffffea0007d4a000 refcount:1 mapcount:0 mapping:ffff8881f5c0c000 index:0x0 compound_mapcount: 0
flags: 0x8000000000010200(slab|head)
raw: 8000000000010200 dead000000000100 dead000000000122 ffff8881f5c0c000
raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881f527ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881f527ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881f5280000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff8881f5280080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881f5280100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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