UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1730
Read of size 18446744073709551588 at addr ffff88810da58040 by task syz.3.1205/4385

CPU: 1 PID: 4385 Comm: syz.3.1205 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 memmove+0x2d/0x70 mm/kasan/shadow.c:54
 ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1730
 ext4_xattr_block_set+0xad3/0x3260 fs/ext4/xattr.c:1977
 ext4_xattr_set_handle+0x1338/0x1570 fs/ext4/xattr.c:2399
 ext4_xattr_set+0x242/0x320 fs/ext4/xattr.c:2501
 ext4_xattr_trusted_set+0x3c/0x50 fs/ext4/xattr_trusted.c:38
 __vfs_setxattr+0x3f2/0x440 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 __vfs_setxattr_locked+0x212/0x230 fs/xattr.c:277
 vfs_setxattr+0x167/0x2e0 fs/xattr.c:309
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x346/0x360 fs/xattr.c:617
 path_setxattr+0x147/0x290 fs/xattr.c:636
 __do_sys_lsetxattr fs/xattr.c:659 [inline]
 __se_sys_lsetxattr fs/xattr.c:655 [inline]
 __x64_sys_lsetxattr+0xc2/0xe0 fs/xattr.c:655
 x64_sys_call+0x8b7/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:190
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f91dd79c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f91de67c028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007f91dda15fa0 RCX: 00007f91dd79c819
RDX: 0000200000000000 RSI: 0000200000000180 RDI: 00002000000001c0
RBP: 00007f91dd832c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000361 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f91dda16038 R14: 00007f91dda15fa0 R15: 00007fff76da1908
 </TASK>

Allocated by task 4385:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kmemdup+0x2b/0x60 mm/util.c:134
 kmemdup include/linux/fortify-string.h:585 [inline]
 ext4_xattr_block_set+0x9d5/0x3260 fs/ext4/xattr.c:1925
 ext4_xattr_set_handle+0x1338/0x1570 fs/ext4/xattr.c:2399
 ext4_xattr_set+0x242/0x320 fs/ext4/xattr.c:2501
 ext4_xattr_trusted_set+0x3c/0x50 fs/ext4/xattr_trusted.c:38
 __vfs_setxattr+0x3f2/0x440 fs/xattr.c:182
 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216
 __vfs_setxattr_locked+0x212/0x230 fs/xattr.c:277
 vfs_setxattr+0x167/0x2e0 fs/xattr.c:309
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x346/0x360 fs/xattr.c:617
 path_setxattr+0x147/0x290 fs/xattr.c:636
 __do_sys_lsetxattr fs/xattr.c:659 [inline]
 __se_sys_lsetxattr fs/xattr.c:655 [inline]
 __x64_sys_lsetxattr+0xc2/0xe0 fs/xattr.c:655
 x64_sys_call+0x8b7/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:190
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
 __call_rcu_common kernel/rcu/tree.c:2807 [inline]
 call_rcu+0xcf/0xf90 kernel/rcu/tree.c:2926
 __qdisc_destroy+0x187/0x290 net/sched/sch_generic.c:1083
 qdisc_put net/sched/sch_generic.c:1103 [inline]
 shutdown_scheduler_queue net/sched/sch_generic.c:1156 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 dev_shutdown+0x198/0x580 net/sched/sch_generic.c:1488
 unregister_netdevice_many+0x9a6/0x18e0 net/core/dev.c:10984
 unregister_netdevice_queue+0x324/0x370 net/core/dev.c:10924
 unregister_netdevice include/linux/netdevice.h:3109 [inline]
 __tun_detach+0xca6/0x1460 drivers/net/tun.c:685
 tun_detach drivers/net/tun.c:701 [inline]
 tun_chr_close+0x92/0x140 drivers/net/tun.c:3492
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Second to last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
 __call_rcu_common kernel/rcu/tree.c:2807 [inline]
 call_rcu+0xcf/0xf90 kernel/rcu/tree.c:2926
 __qdisc_destroy+0x187/0x290 net/sched/sch_generic.c:1083
 qdisc_put net/sched/sch_generic.c:1103 [inline]
 shutdown_scheduler_queue net/sched/sch_generic.c:1156 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2504 [inline]
 dev_shutdown+0x198/0x580 net/sched/sch_generic.c:1488
 unregister_netdevice_many+0x9a6/0x18e0 net/core/dev.c:10984
 unregister_netdevice_queue+0x324/0x370 net/core/dev.c:10924
 unregister_netdevice include/linux/netdevice.h:3109 [inline]
 __tun_detach+0xca6/0x1460 drivers/net/tun.c:685
 tun_detach drivers/net/tun.c:701 [inline]
 tun_chr_close+0x92/0x140 drivers/net/tun.c:3492
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff88810da58000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 64 bytes inside of
 1024-byte region [ffff88810da58000, ffff88810da58400)

The buggy address belongs to the physical page:
page:ffffea0004369600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10da58
head:ffffea0004369600 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea0004369e00 dead000000000002 ffff888100043080
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2061540273, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
 get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4585
 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5926
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3d0 mm/slub.c:2020
 ___slab_alloc+0x6bd/0xb20 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa1/0x1e0 mm/slab_common.c:951
 kmalloc_array include/linux/slab.h:615 [inline]
 blk_stat_alloc_callback+0x91/0x210 block/blk-stat.c:113
 blk_mq_init_allocated_queue+0x17e/0x1710 block/blk-mq.c:4340
 blk_mq_init_queue_data block/blk-mq.c:4167 [inline]
 blk_mq_init_queue+0xa6/0x120 block/blk-mq.c:4177
 scsi_alloc_sdev+0x6a0/0xac0 drivers/scsi/scsi_scan.c:335
 scsi_probe_and_add_lun+0x192/0x3c40 drivers/scsi/scsi_scan.c:1188
 __scsi_scan_target+0x1ea/0xc20 drivers/scsi/scsi_scan.c:1724
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810da57f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810da57f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88810da58000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                           ^
 ffff88810da58080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88810da58100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================