UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found!
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 ffff00012a653bf0 by task syz-executor.5/13315

CPU: 1 PID: 13315 Comm: syz-executor.5 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 9503:
 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+0xd8/0x1c4 mm/slab_common.c:981
 kmalloc include/linux/slab.h:584 [inline]
 kzalloc include/linux/slab.h:720 [inline]
 rdma_alloc_hw_stats_struct+0x4c/0x158 drivers/infiniband/core/verbs.c:2994
 rxe_ib_alloc_hw_port_stats+0x24/0x30 drivers/infiniband/sw/rxe/rxe_hw_counters.c:48
 alloc_hw_stats_port drivers/infiniband/core/sysfs.c:1002 [inline]
 setup_hw_port_stats drivers/infiniband/core/sysfs.c:1040 [inline]
 setup_port drivers/infiniband/core/sysfs.c:1241 [inline]
 ib_setup_port_attrs+0x870/0x1bb4 drivers/infiniband/core/sysfs.c:1440
 ib_register_device+0xe24/0x108c drivers/infiniband/core/device.c:1413
 rxe_register_device+0x218/0x358 drivers/infiniband/sw/rxe/rxe_verbs.c:1105
 rxe_add+0x90c/0xdf4 drivers/infiniband/sw/rxe/rxe.c:173
 rxe_net_add+0x7c/0xf0 drivers/infiniband/sw/rxe/rxe_net.c:524
 rxe_newlink+0x88/0x140 drivers/infiniband/sw/rxe/rxe.c:195
 nldev_newlink+0x498/0x4f8 drivers/infiniband/core/nldev.c:1731
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x5b4/0x844 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x800/0xae0 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0x558/0x844 net/socket.c:2479
 ___sys_sendmsg net/socket.c:2533 [inline]
 __sys_sendmsg+0x26c/0x33c net/socket.c:2562
 __do_sys_sendmsg net/socket.c:2571 [inline]
 __se_sys_sendmsg net/socket.c:2569 [inline]
 __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2569
 __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

The buggy address belongs to the object at ffff00012a653800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 496 bytes to the right of
 512-byte region [ffff00012a653800, ffff00012a653a00)

The buggy address belongs to the physical page:
page:0000000071c347b3 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16a650
head:0000000071c347b3 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:
 ffff00012a653a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff00012a653b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff00012a653b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff00012a653c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff00012a653c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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