program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dev/lirc0\x00', 0x2, 0x0)
write(r1, &(0x7f0000000400)="0100000002000000", 0x8)
[ 116.854357][ T5316] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 116.895843][ T44] Bluetooth: hci0: command tx timeout
[ 117.008381][ T5316] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64
[ 117.012571][ T5316] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 64
[ 117.017239][ T5316] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x3 has invalid maxpacket 64
[ 117.033639][ T5316] usb 5-1: New USB device found, idVendor=112a, idProduct=0001, bcdDevice= 1.00
[ 117.037776][ T5316] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 117.045464][ T5316] usb 5-1: Product: syz
[ 117.050477][ T5316] usb 5-1: Manufacturer: syz
[ 117.055123][ T5316] usb 5-1: SerialNumber: syz
[ 117.079348][ T5330] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22
[ 117.089746][ T5330] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22
[ 117.099881][ T5330] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22
[ 118.316858][ T5316] redrat3 5-1:1.0: Firmware rev:
[ 118.517724][ T5316] redrat3 5-1:1.0: Failed to read timeout from hardware
[ 118.584992][ T5316] rc_core: IR keymap rc-hauppauge not found
[ 118.587709][ T5316] Registered IR keymap rc-empty
[ 118.723158][ T5316] rc rc0: RedRat3 Infrared Remote Transceiver as /devices/platform/dummy_hcd.0/usb5/5-1/5-1:1.0/rc/rc0
[ 118.731665][ T5316] input: RedRat3 Infrared Remote Transceiver as /devices/platform/dummy_hcd.0/usb5/5-1/5-1:1.0/rc/rc0/input5
[ 118.974318][ T44] Bluetooth: hci0: command tx timeout
[ 119.120593][ T5316] redrat3 5-1:1.0: redrat3_enable_detector: detector status: 0, should be 1
[ 119.129949][ T5316] redrat3 5-1:1.0: probe with driver redrat3 failed with error -5
[ 119.146155][ T4698] ==================================================================
[ 119.149035][ T4698] BUG: KASAN: slab-use-after-free in string+0x216/0x2d0
[ 119.151591][ T4698] Read of size 1 at addr ffff888033325758 by task udevd/4698
[ 119.154296][ T4698]
[ 119.155198][ T4698] CPU: 0 UID: 0 PID: 4698 Comm: udevd Not tainted syzkaller #0 PREEMPT(full)
[ 119.155211][ T4698] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 119.155217][ T4698] Call Trace:
[ 119.155223][ T4698]
[ 119.155228][ T4698] dump_stack_lvl+0xe8/0x150
[ 119.155246][ T4698] print_address_description+0x55/0x1e0
[ 119.155262][ T4698] ? string+0x216/0x2d0
[ 119.155271][ T4698] print_report+0x58/0x70
[ 119.155284][ T4698] kasan_report+0x117/0x150
[ 119.155299][ T4698] ? string+0x216/0x2d0
[ 119.155310][ T4698] string+0x216/0x2d0
[ 119.155321][ T4698] vsnprintf+0x74a/0xef0
[ 119.155332][ T4698] add_uevent_var+0x1ce/0x460
[ 119.155340][ T4698] ? __pfx___mutex_lock+0x10/0x10
[ 119.155349][ T4698] ? __pfx_add_uevent_var+0x10/0x10
[ 119.155357][ T4698] rc_dev_uevent+0x164/0x1a0
[ 119.155367][ T4698] dev_uevent+0x537/0x870
[ 119.155419][ T4698] ? __pfx_dev_uevent+0x10/0x10
[ 119.155433][ T4698] ? __kmalloc_cache_noprof+0x32d/0x660
[ 119.155449][ T4698] ? __kmalloc_cache_noprof+0x150/0x660
[ 119.155461][ T4698] ? uevent_show+0x15c/0x310
[ 119.155487][ T4698] uevent_show+0x1a0/0x310
[ 119.155501][ T4698] dev_attr_show+0x58/0xc0
[ 119.155514][ T4698] ? __pfx_dev_attr_show+0x10/0x10
[ 119.155526][ T4698] sysfs_kf_seq_show+0x331/0x490
[ 119.155536][ T4698] seq_read_iter+0x463/0xca0
[ 119.155545][ T4698] vfs_read+0x595/0xa80
[ 119.155557][ T4698] ? __pfx_vfs_read+0x10/0x10
[ 119.155566][ T4698] ? do_sys_openat2+0x14e/0x200
[ 119.155581][ T4698] ksys_read+0x150/0x270
[ 119.155596][ T4698] ? __pfx_ksys_read+0x10/0x10
[ 119.155612][ T4698] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 119.155623][ T4698] do_syscall_64+0x174/0x580
[ 119.155636][ T4698] ? trace_irq_disable+0x3b/0x140
[ 119.155650][ T4698] ? clear_bhb_loop+0x40/0x90
[ 119.155662][ T4698] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 119.155672][ T4698] RIP: 0033:0x7faa564a7407
[ 119.155682][ T4698] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 119.155691][ T4698] RSP: 002b:00007fff236ee830 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 119.155703][ T4698] RAX: ffffffffffffffda RBX: 00007faa56bba880 RCX: 00007faa564a7407
[ 119.155711][ T4698] RDX: 0000000000001000 RSI: 0000555db6760650 RDI: 000000000000000c
[ 119.155718][ T4698] RBP: 00007faa565efff0 R08: 0000000000000000 R09: 0000000000000000
[ 119.155722][ T4698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
[ 119.155726][ T4698] R13: 00007faa565efea0 R14: 0000000000000000 R15: 0000555db6794590
[ 119.155733][ T4698]
[ 119.155736][ T4698]
[ 119.251501][ T4698] Allocated by task 5316:
[ 119.253080][ T4698] kasan_save_track+0x3e/0x80
[ 119.254866][ T4698] __kasan_kmalloc+0x93/0xb0
[ 119.256604][ T4698] __kmalloc_cache_noprof+0x32d/0x660
[ 119.258576][ T4698] redrat3_dev_probe+0x477/0x2570
[ 119.260429][ T4698] usb_probe_interface+0x653/0xc60
[ 119.262401][ T4698] really_probe+0x254/0xae0
[ 119.264101][ T4698] __driver_probe_device+0x1e8/0x360
[ 119.266099][ T4698] driver_probe_device+0x4f/0x240
[ 119.268035][ T4698] __device_attach_driver+0x270/0x410
[ 119.270029][ T4698] bus_for_each_drv+0x258/0x2f0
[ 119.271875][ T4698] __device_attach+0x2c4/0x450
[ 119.273632][ T4698] device_initial_probe+0xa1/0xd0
[ 119.275486][ T4698] bus_probe_device+0x12a/0x220
[ 119.277328][ T4698] device_add+0x7d7/0xb80
[ 119.278962][ T4698] usb_set_configuration+0x1ad8/0x2180
[ 119.281086][ T4698] usb_generic_driver_probe+0x8d/0x150
[ 119.283200][ T4698] usb_probe_device+0x1c3/0x3b0
[ 119.285097][ T4698] really_probe+0x254/0xae0
[ 119.286808][ T4698] __driver_probe_device+0x1e8/0x360
[ 119.288830][ T4698] driver_probe_device+0x4f/0x240
[ 119.290775][ T4698] __device_attach_driver+0x270/0x410
[ 119.292894][ T4698] bus_for_each_drv+0x258/0x2f0
[ 119.294856][ T4698] __device_attach+0x2c4/0x450
[ 119.296723][ T4698] device_initial_probe+0xa1/0xd0
[ 119.298669][ T4698] bus_probe_device+0x12a/0x220
[ 119.300532][ T4698] device_add+0x7d7/0xb80
[ 119.302208][ T4698] usb_new_device+0x99d/0x1620
[ 119.304052][ T4698] hub_event+0x28e8/0x4d30
[ 119.305886][ T4698] process_scheduled_works+0xa8e/0x14e0
[ 119.307986][ T4698] worker_thread+0xa47/0xfb0
[ 119.309763][ T4698] kthread+0x388/0x470
[ 119.311302][ T4698] ret_from_fork+0x514/0xb70
[ 119.313148][ T4698] ret_from_fork_asm+0x1a/0x30
[ 119.314969][ T4698]
[ 119.315939][ T4698] Freed by task 5316:
[ 119.317519][ T4698] kasan_save_track+0x3e/0x80
[ 119.319307][ T4698] kasan_save_free_info+0x40/0x50
[ 119.321209][ T4698] __kasan_slab_free+0x5c/0x80
[ 119.322976][ T4698] kfree+0x1c5/0x640
[ 119.324517][ T4698] redrat3_dev_probe+0x1bf4/0x2570
[ 119.326441][ T4698] usb_probe_interface+0x653/0xc60
[ 119.328378][ T4698] really_probe+0x254/0xae0
[ 119.330103][ T4698] __driver_probe_device+0x1e8/0x360
[ 119.332116][ T4698] driver_probe_device+0x4f/0x240
[ 119.334116][ T4698] __device_attach_driver+0x270/0x410
[ 119.336367][ T4698] bus_for_each_drv+0x258/0x2f0
[ 119.338462][ T4698] __device_attach+0x2c4/0x450
[ 119.340637][ T4698] device_initial_probe+0xa1/0xd0
[ 119.342859][ T4698] bus_probe_device+0x12a/0x220
[ 119.344886][ T4698] device_add+0x7d7/0xb80
[ 119.346702][ T4698] usb_set_configuration+0x1ad8/0x2180
[ 119.349022][ T4698] usb_generic_driver_probe+0x8d/0x150
[ 119.351295][ T4698] usb_probe_device+0x1c3/0x3b0
[ 119.353584][ T4698] really_probe+0x254/0xae0
[ 119.355832][ T4698] __driver_probe_device+0x1e8/0x360
[ 119.358065][ T4698] driver_probe_device+0x4f/0x240
[ 119.360271][ T4698] __device_attach_driver+0x270/0x410
[ 119.362859][ T4698] bus_for_each_drv+0x258/0x2f0
[ 119.365334][ T4698] __device_attach+0x2c4/0x450
[ 119.367656][ T4698] device_initial_probe+0xa1/0xd0
[ 119.369772][ T4698] bus_probe_device+0x12a/0x220
[ 119.371806][ T4698] device_add+0x7d7/0xb80
[ 119.373638][ T4698] usb_new_device+0x99d/0x1620
[ 119.375637][ T4698] hub_event+0x28e8/0x4d30
[ 119.377653][ T4698] process_scheduled_works+0xa8e/0x14e0
[ 119.379989][ T4698] worker_thread+0xa47/0xfb0
[ 119.381971][ T4698] kthread+0x388/0x470
[ 119.383759][ T4698] ret_from_fork+0x514/0xb70
[ 119.385814][ T4698] ret_from_fork_asm+0x1a/0x30
[ 119.387851][ T4698]
[ 119.388941][ T4698] The buggy address belongs to the object at ffff888033325000
[ 119.388941][ T4698] which belongs to the cache kmalloc-2k of size 2048
[ 119.394690][ T4698] The buggy address is located 1880 bytes inside of
[ 119.394690][ T4698] freed 2048-byte region [ffff888033325000, ffff888033325800)
[ 119.400428][ T4698]
[ 119.401483][ T4698] The buggy address belongs to the physical page:
[ 119.404071][ T4698] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33320
[ 119.408031][ T4698] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 119.411880][ T4698] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
[ 119.415173][ T4698] page_type: f5(slab)
[ 119.416885][ T4698] raw: 04fff00000000040 ffff88801b042000 dead000000000100 dead000000000122
[ 119.420338][ T4698] raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
[ 119.423972][ T4698] head: 04fff00000000040 ffff88801b042000 dead000000000100 dead000000000122
[ 119.427622][ T4698] head: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
[ 119.431173][ T4698] head: 04fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
[ 119.434801][ T4698] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[ 119.438372][ T4698] page dumped because: kasan: bad access detected
[ 119.441466][ T4698] page_owner tracks the page as allocated
[ 119.443977][ T4698] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 173, tgid 173 (kworker/u4:5), ts 116528584068, free_ts 114545365741
[ 119.453226][ T4698] post_alloc_hook+0x1f9/0x250
[ 119.455434][ T4698] get_page_from_freelist+0x21fa/0x2270
[ 119.457517][ T4698] __alloc_frozen_pages_noprof+0x18d/0x380
[ 119.459719][ T4698] allocate_slab+0x79/0x5e0
[ 119.461581][ T4698] refill_objects+0x2d5/0x350
[ 119.463549][ T4698] __pcs_replace_empty_main+0x2bf/0x6b0
[ 119.465880][ T4698] __kmalloc_node_track_caller_noprof+0x557/0x730
[ 119.468575][ T4698] __alloc_skb+0x2bd/0x7a0
[ 119.470467][ T4698] mld_newpack+0x165/0xcb0
[ 119.472379][ T4698] add_grec+0x119f/0x19d0
[ 119.474238][ T4698] mld_send_initial_cr+0x288/0x550
[ 119.476798][ T4698] ipv6_mc_dad_complete+0x87/0x410
[ 119.479128][ T4698] addrconf_dad_completed+0x8af/0xe60
[ 119.481442][ T4698] addrconf_dad_work+0xcf8/0x15c0
[ 119.483580][ T4698] process_scheduled_works+0xa8e/0x14e0
[ 119.486087][ T4698] worker_thread+0xa47/0xfb0
[ 119.488144][ T4698] page last free pid 5290 tgid 5290 stack trace:
[ 119.490924][ T4698] __free_frozen_pages+0xc1e/0xd10
[ 119.493233][ T4698] __slab_free+0x274/0x2c0
[ 119.495183][ T4698] qlist_free_all+0x99/0x100
[ 119.497212][ T4698] kasan_quarantine_reduce+0x148/0x160
[ 119.499547][ T4698] __kasan_slab_alloc+0x22/0x80
[ 119.501690][ T4698] __kmalloc_cache_noprof+0x2ab/0x660
[ 119.504249][ T4698] netdevice_event+0x3aa/0x8a0
[ 119.506700][ T4698] notifier_call_chain+0x1a5/0x3d0
[ 119.508934][ T4698] netif_set_mac_address+0x393/0x4d0
[ 119.511172][ T4698] do_setlink+0x9ad/0x4670
[ 119.513191][ T4698] rtnl_newlink+0x15c2/0x1bd0
[ 119.515213][ T4698] rtnetlink_rcv_msg+0x802/0xc00
[ 119.517212][ T4698] netlink_rcv_skb+0x226/0x4a0
[ 119.519430][ T4698] netlink_unicast+0x7bb/0x940
[ 119.521901][ T4698] netlink_sendmsg+0x813/0xb40
[ 119.524032][ T4698] sock_sendmsg_nosec+0x13a/0x180
[ 119.526231][ T4698]
[ 119.527315][ T4698] Memory state around the buggy address:
[ 119.529653][ T4698] ffff888033325600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 119.532934][ T4698] ffff888033325680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 119.536295][ T4698] >ffff888033325700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 119.539642][ T4698] ^
[ 119.542555][ T4698] ffff888033325780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 119.545973][ T4698] ffff888033325800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 119.549383][ T4698] ==================================================================
[ 119.570724][ T4698] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 119.573819][ T4698] CPU: 0 UID: 0 PID: 4698 Comm: udevd Not tainted syzkaller #0 PREEMPT(full)
[ 119.577558][ T4698] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 119.581651][ T4698] Call Trace:
[ 119.582825][ T4698]
[ 119.583835][ T4698] vpanic+0x56c/0xa60
[ 119.585215][ T4698] ? __pfx_vpanic+0x10/0x10
[ 119.586728][ T4698] ? __pfx___schedule+0x10/0x10
[ 119.588424][ T4698] panic+0xc5/0xd0
[ 119.589701][ T4698] ? __pfx_panic+0x10/0x10
[ 119.591331][ T4698] ? preempt_schedule_thunk+0x16/0x40
[ 119.593541][ T4698] ? string+0x216/0x2d0
[ 119.595325][ T4698] check_panic_on_warn+0x89/0xb0
[ 119.597371][ T4698] ? string+0x216/0x2d0
[ 119.599168][ T4698] end_report+0x73/0x170
[ 119.600969][ T4698] ? string+0x216/0x2d0
[ 119.602712][ T4698] kasan_report+0x128/0x150
[ 119.604754][ T4698] ? string+0x216/0x2d0
[ 119.606579][ T4698] string+0x216/0x2d0
[ 119.608316][ T4698] vsnprintf+0x74a/0xef0
[ 119.610105][ T4698] add_uevent_var+0x1ce/0x460
[ 119.612098][ T4698] ? __pfx___mutex_lock+0x10/0x10
[ 119.614338][ T4698] ? __pfx_add_uevent_var+0x10/0x10
[ 119.616599][ T4698] rc_dev_uevent+0x164/0x1a0
[ 119.618764][ T4698] dev_uevent+0x537/0x870
[ 119.620613][ T4698] ? __pfx_dev_uevent+0x10/0x10
[ 119.622658][ T4698] ? __kmalloc_cache_noprof+0x32d/0x660
[ 119.625021][ T4698] ? __kmalloc_cache_noprof+0x150/0x660
[ 119.627337][ T4698] ? uevent_show+0x15c/0x310
[ 119.629308][ T4698] uevent_show+0x1a0/0x310
[ 119.631185][ T4698] dev_attr_show+0x58/0xc0
[ 119.633139][ T4698] ? __pfx_dev_attr_show+0x10/0x10
[ 119.635308][ T4698] sysfs_kf_seq_show+0x331/0x490
[ 119.637410][ T4698] seq_read_iter+0x463/0xca0
[ 119.639338][ T4698] vfs_read+0x595/0xa80
[ 119.641111][ T4698] ? __pfx_vfs_read+0x10/0x10
[ 119.643095][ T4698] ? do_sys_openat2+0x14e/0x200
[ 119.645027][ T4698] ksys_read+0x150/0x270
[ 119.646413][ T4698] ? __pfx_ksys_read+0x10/0x10
[ 119.647984][ T4698] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 119.649954][ T4698] do_syscall_64+0x174/0x580
[ 119.651501][ T4698] ? trace_irq_disable+0x3b/0x140
[ 119.653234][ T4698] ? clear_bhb_loop+0x40/0x90
[ 119.654830][ T4698] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 119.656886][ T4698] RIP: 0033:0x7faa564a7407
[ 119.658381][ T4698] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 119.664898][ T4698] RSP: 002b:00007fff236ee830 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 119.667778][ T4698] RAX: ffffffffffffffda RBX: 00007faa56bba880 RCX: 00007faa564a7407
[ 119.670401][ T4698] RDX: 0000000000001000 RSI: 0000555db6760650 RDI: 000000000000000c
[ 119.673271][ T4698] RBP: 00007faa565efff0 R08: 0000000000000000 R09: 0000000000000000
[ 119.676101][ T4698] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
[ 119.678944][ T4698] R13: 00007faa565efea0 R14: 0000000000000000 R15: 0000555db6794590
[ 119.681841][ T4698]
[ 119.683347][ T4698] Kernel Offset: disabled
[ 119.684875][ T4698] Rebooting in 86400 seconds..