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BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2100
Write of size 4 at addr ffff000106d003f0 by task syz-executor.4/20141

CPU: 1 PID: 20141 Comm: syz-executor.4 Not tainted 5.15.100-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 __asan_report_store_n_noabort+0x40/0x4c mm/kasan/report_generic.c:325
 udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2100
 udf_add_entry+0x11e0/0x28b0 fs/udf/namei.c:482
 udf_mkdir+0x158/0x7e0 fs/udf/namei.c:681
 vfs_mkdir+0x2e4/0x4a8 fs/namei.c:3937
 do_mkdirat+0x260/0x67c fs/namei.c:3963
 __do_sys_mkdirat fs/namei.c:3978 [inline]
 __se_sys_mkdirat fs/namei.c:3976 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:3976
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 <unknown>:584

Allocated by task 3585:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 ____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
 __kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
 kasan_kmalloc include/linux/kasan.h:264 [inline]
 __kmalloc_node_track_caller+0x20c/0x384 mm/slub.c:4963
 kmalloc_reserve+0xe8/0x270 net/core/skbuff.c:356
 __alloc_skb+0x1a4/0x584 net/core/skbuff.c:427
 skb_copy+0xcc/0x53c net/core/skbuff.c:1588
 mac80211_hwsim_tx_frame_no_nl+0xb98/0x14a8 drivers/net/wireless/mac80211_hwsim.c:1569
 mac80211_hwsim_tx_frame+0x1c4/0x1f8 drivers/net/wireless/mac80211_hwsim.c:1788
 mac80211_hwsim_beacon_tx+0x400/0x7d4 drivers/net/wireless/mac80211_hwsim.c:1842
 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa0/0x184 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x578/0xfd0 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x158/0x220 kernel/time/hrtimer.c:1766
 __do_softirq+0x3a8/0xf60 kernel/softirq.c:558

Freed by task 19681:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
 kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
 ____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kfree+0x1b0/0x480 mm/slub.c:4559
 skb_free_head net/core/skbuff.c:655 [inline]
 skb_release_data+0x404/0x5fc net/core/skbuff.c:677
 skb_release_all net/core/skbuff.c:742 [inline]
 __kfree_skb net/core/skbuff.c:756 [inline]
 kfree_skb_reason+0x2bc/0x60c net/core/skbuff.c:776
 kfree_skb include/linux/skbuff.h:1122 [inline]
 ieee80211_iface_work+0x640/0xa80 net/mac80211/iface.c:1497
 process_one_work+0x84c/0x14b8 kernel/workqueue.c:2306
 worker_thread+0x910/0x1034 kernel/workqueue.c:2453
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 <unknown>:870

Last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 insert_work+0x64/0x394 kernel/workqueue.c:1362
 __queue_work+0xc40/0x12c4 kernel/workqueue.c:1528
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1653
 call_timer_fn+0x24c/0xbc8 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1461 [inline]
 __run_timers+0x584/0x718 kernel/time/timer.c:1737
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1750
 __do_softirq+0x3a8/0xf60 kernel/softirq.c:558

The buggy address belongs to the object at ffff000106d00000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 496 bytes to the right of
 512-byte region [ffff000106d00000, ffff000106d00200)
The buggy address belongs to the page:
page:0000000022a883b6 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x146d00
head:0000000022a883b6 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc00041d6600 0000000500000005 ffff0000c0002600
raw: ffff000106d03c00 000000008010000b 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000106d00280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff000106d00300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff000106d00380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff000106d00400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff000106d00480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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