XFS (loop3): Quotacheck needed: Please wait.
XFS (loop3): Quotacheck: Done.
==================================================================
BUG: KASAN: use-after-free in rose_get_neigh+0x1a4/0x5ac net/rose/rose_route.c:692
Read of size 1 at addr ffff0000d9db7030 by task syz.3.286/6343

CPU: 1 PID: 6343 Comm: syz.3.286 Not tainted 6.1.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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+0x108/0x170 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x174/0x4c0 mm/kasan/report.c:427
 kasan_report+0xd4/0x130 mm/kasan/report.c:531
 __asan_report_load1_noabort+0x2c/0x38 mm/kasan/report_generic.c:348
 rose_get_neigh+0x1a4/0x5ac net/rose/rose_route.c:692
 rose_connect+0x3b8/0xe44 net/rose/af_rose.c:816
 __sys_connect_file net/socket.c:2011 [inline]
 __sys_connect+0x268/0x290 net/socket.c:2028
 __do_sys_connect net/socket.c:2038 [inline]
 __se_sys_connect net/socket.c:2035 [inline]
 __arm64_sys_connect+0x7c/0x94 net/socket.c:2035
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 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+0x18c/0x190 arch/arm64/kernel/entry.S:585

Allocated by task 241:
 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:505
 ____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:936 [inline]
 __kmalloc_node_track_caller+0xd0/0x1c0 mm/slab_common.c:956
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x180/0x324 net/core/skbuff.c:515
 skb_copy+0x10c/0x6c8 net/core/skbuff.c:1732
 mac80211_hwsim_tx_frame_no_nl+0xdfc/0x1664 drivers/net/wireless/mac80211_hwsim.c:1724
 mac80211_hwsim_tx_frame+0x1c4/0x1f8 drivers/net/wireless/mac80211_hwsim.c:2053
 mac80211_hwsim_beacon_tx+0x500/0x94c drivers/net/wireless/mac80211_hwsim.c:2116
 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xcc/0x1c8 drivers/net/wireless/mac80211_hwsim.c:2142
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x4b0/0xdc0 kernel/time/hrtimer.c:1755
 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1772
 handle_softirqs+0x318/0xd58 kernel/softirq.c:578
 __do_softirq+0x14/0x20 kernel/softirq.c:612

The buggy address belongs to the object at ffff0000d9db7000
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 48 bytes inside of
 512-byte region [ffff0000d9db7000, ffff0000d9db7200)

The buggy address belongs to the physical page:
page:000000005399a61c refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000d9db7400 pfn:0x119db4
head:000000005399a61c order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc000336d408 fffffc0003741d08 ffff0000c0002600
raw: ffff0000d9db7400 0000000000100003 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000d9db6f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000d9db6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000d9db7000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff0000d9db7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000d9db7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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