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BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
BUG: KASAN: null-ptr-deref in mac802154_header_create+0x13f/0xa30 net/mac802154/iface.c:438
Write of size 4 at addr 000000000000004c by task kworker/u8:14/6586

CPU: 0 UID: 0 PID: 6586 Comm: kworker/u8:14 Not tainted 6.12.0-rc1-syzkaller-00301-g36efaca9cb28 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_report+0xe8/0x550 mm/kasan/report.c:491
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
 mac802154_header_create+0x13f/0xa30 net/mac802154/iface.c:438
 dev_hard_header include/linux/netdevice.h:3155 [inline]
 neigh_connected_output+0x27f/0x450 net/core/neighbour.c:1589
 neigh_output include/net/neighbour.h:542 [inline]
 ip6_finish_output2+0x1001/0x1730 net/ipv6/ip6_output.c:141
 ip6_finish_output+0x41e/0x810 net/ipv6/ip6_output.c:226
 NF_HOOK include/linux/netfilter.h:314 [inline]
 ndisc_send_skb+0xab2/0x1380 net/ipv6/ndisc.c:511
 addrconf_dad_completed+0x76c/0xcd0 net/ipv6/addrconf.c:4362
 addrconf_dad_work+0xdc2/0x16f0
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
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