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:2088
Write of size 4 at addr ffff0000da2623f0 by task syz-executor.1/10711

CPU: 1 PID: 10711 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-18295-ga9b06ec42c0f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:306 [inline]
 print_report+0x178/0x4e0 mm/kasan/report.c:417
 kasan_report+0xd4/0x130 mm/kasan/report.c:517
 __asan_report_store_n_noabort+0x28/0x34 mm/kasan/report_generic.c:367
 udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2088
 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:4036
 do_mkdirat+0x200/0x5f8 fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4074
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Allocated by task 5974:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:512
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:968 [inline]
 __kmalloc_node_track_caller+0xd0/0x1c0 mm/slab_common.c:988
 kmalloc_reserve net/core/skbuff.c:492 [inline]
 __alloc_skb+0x180/0x324 net/core/skbuff.c:565
 __netdev_alloc_skb+0xb8/0x3e8 net/core/skbuff.c:630
 netdev_alloc_skb include/linux/skbuff.h:3158 [inline]
 dev_alloc_skb include/linux/skbuff.h:3171 [inline]
 __ieee80211_beacon_get+0x6d8/0x19dc net/mac80211/tx.c:5316
 ieee80211_beacon_get_tim+0xb4/0x490 net/mac80211/tx.c:5398
 ieee80211_beacon_get include/net/mac80211.h:5271 [inline]
 mac80211_hwsim_beacon_tx+0x1e4/0x8ec drivers/net/wireless/mac80211_hwsim.c:2086
 __iterate_interfaces+0x204/0x460 net/mac80211/util.c:763
 ieee80211_iterate_active_interfaces_atomic+0xb4/0x140 net/mac80211/util.c:799
 mac80211_hwsim_beacon+0xcc/0x1c8 drivers/net/wireless/mac80211_hwsim.c:2142
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x580/0x10a8 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x158/0x220 kernel/time/hrtimer.c:1766
 __do_softirq+0x368/0xfa4 kernel/softirq.c:571

Last potentially related work creation:
 kasan_save_stack+0x40/0x70 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:493
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:503
 insert_work+0x64/0x384 kernel/workqueue.c:1358
 __queue_work+0xdc4/0x1484 kernel/workqueue.c:1517
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1643
 call_timer_fn+0x250/0xc94 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x5b4/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __do_softirq+0x368/0xfa4 kernel/softirq.c:571

The buggy address belongs to the object at ffff0000da262000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 496 bytes to the right of
 512-byte region [ffff0000da262000, ffff0000da262200)

The buggy address belongs to the physical page:
page:0000000055b66b74 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a260
head:0000000055b66b74 order:2 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 ffff0000c0002600 dead000000000100 dead000000000122
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000da262280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000da262300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000da262380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff0000da262400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000da262480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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