UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
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BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2110
Write of size 4 at addr ffff0000d0aea3f0 by task syz.4.483/6022

CPU: 1 PID: 6022 Comm: syz.4.483 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
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:2110
 udf_add_entry+0x11e0/0x28b0 fs/udf/namei.c:482
 udf_mkdir+0x158/0x7e0 fs/udf/namei.c:681
 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065
 do_mkdirat+0x20c/0x610 fs/namei.c:4090
 __do_sys_mkdirat fs/namei.c:4105 [inline]
 __se_sys_mkdirat fs/namei.c:4103 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103
 __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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Allocated by task 14:
 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+0x234/0x448 mm/slub.c:4963
 kmalloc_reserve+0xe8/0x270 net/core/skbuff.c:356
 __alloc_skb+0x1a4/0x584 net/core/skbuff.c:427
 __netdev_alloc_skb+0xb8/0x3c8 net/core/skbuff.c:494
 netdev_alloc_skb include/linux/skbuff.h:3006 [inline]
 dev_alloc_skb include/linux/skbuff.h:3019 [inline]
 __ieee80211_beacon_get+0x940/0x1b54 net/mac80211/tx.c:5080
 ieee80211_beacon_get_tim+0xb8/0x840 net/mac80211/tx.c:5194
 ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
 mac80211_hwsim_beacon_tx+0x110/0x7d4 drivers/net/wireless/mac80211_hwsim.c:1812
 __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:1688 [inline]
 __hrtimer_run_queues+0x484/0xca4 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1769
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 run_ksoftirqd+0x6c/0x29c kernel/softirq.c:925
 smpboot_thread_fn+0x4b0/0x920 kernel/smpboot.c:164
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

The buggy address belongs to the object at ffff0000d0aea000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 496 bytes to the right of
 512-byte region [ffff0000d0aea000, ffff0000d0aea200)
The buggy address belongs to the page:
page:00000000fbd7e62a refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x110ae8
head:00000000fbd7e62a order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc00038ae500 0000000600000006 ffff0000c0002600
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000d0aea280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000d0aea300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000d0aea380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff0000d0aea400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000d0aea480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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