==================================================================
BUG: KASAN: slab-out-of-bounds in snd_usb_mixer_notify_id+0x219/0x2a0 sound/usb/mixer.c:3240
Write of size 4 at addr ffff8881cc5ef060 by task swapper/0/0

CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xd3/0x415 mm/kasan/report.c:383
 __kasan_report mm/kasan/report.c:513 [inline]
 kasan_report.cold+0x37/0x7c mm/kasan/report.c:530
 snd_usb_mixer_notify_id+0x219/0x2a0 sound/usb/mixer.c:3240
 snd_usb_mixer_interrupt+0x440/0xbc0 sound/usb/mixer.c:3379
 __usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716
 dummy_timer+0x125e/0x32b4 drivers/usb/gadget/udc/dummy_hcd.c:1967
 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x5e5/0x14c0 kernel/time/timer.c:1786
 __do_softirq+0x21e/0x996 kernel/softirq.c:292
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x109/0x140 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:387 [inline]
 __irq_exit_rcu kernel/softirq.c:417 [inline]
 irq_exit_rcu+0x16f/0x1a0 kernel/softirq.c:429
 sysvec_apic_timer_interrupt+0xd3/0x1b0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:49 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_safe_halt+0x72/0x90 drivers/acpi/processor_idle.c:108
Code: 74 06 5b e9 d0 05 a6 fb e8 cb 05 a6 fb e8 d6 69 ab fb e9 0c 00 00 00 e8 bc 05 a6 fb 0f 00 2d 75 58 6b 00 e8 b0 05 a6 fb fb f4 <fa> e8 c8 67 ab fb 5b e9 a2 05 a6 fb 48 89 df e8 8a b4 cf fb eb ab
RSP: 0018:ffffffff87007c58 EFLAGS: 00000293
RAX: ffffffff8702f840 RBX: 0000000000000000 RCX: 1ffffffff0fd4d32
RDX: 0000000000000000 RSI: ffffffff85996970 RDI: ffffffff87030078
RBP: ffff8881d8cba864 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d8cba864
R13: 1ffffffff0e00f95 R14: ffff8881d8cba865 R15: 0000000000000001
 acpi_idle_do_entry+0xa9/0xe0 drivers/acpi/processor_idle.c:525
 acpi_idle_enter+0x42b/0xac0 drivers/acpi/processor_idle.c:651
 cpuidle_enter_state+0xdb/0xc20 drivers/cpuidle/cpuidle.c:234
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:345
 call_cpuidle kernel/sched/idle.c:117 [inline]
 cpuidle_idle_call kernel/sched/idle.c:207 [inline]
 do_idle+0x3c2/0x500 kernel/sched/idle.c:269
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:365
 start_kernel+0x9fc/0xa39 init/main.c:1043
 secondary_startup_64+0xb6/0xc0 arch/x86/kernel/head_64.S:243

Allocated by task 5:
 save_stack+0x1b/0x40 mm/kasan/common.c:48
 set_track mm/kasan/common.c:56 [inline]
 __kasan_kmalloc mm/kasan/common.c:494 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:467
 kmalloc include/linux/slab.h:555 [inline]
 kzalloc include/linux/slab.h:669 [inline]
 add_single_ctl_with_resume+0x53/0x1d0 sound/usb/mixer_quirks.c:147
 snd_mbox1_create_sync_switch sound/usb/mixer_quirks.c:719 [inline]
 snd_usb_mixer_apply_create_quirk+0x17be/0x2010 sound/usb/mixer_quirks.c:2654
 snd_usb_create_mixer+0x7de/0x1950 sound/usb/mixer.c:3538
 create_standard_mixer_quirk+0x57/0x70 sound/usb/quirks.c:508
 snd_usb_create_quirk+0x9f/0xd0 sound/usb/quirks.c:563
 create_composite_quirk+0x1d5/0x420 sound/usb/quirks.c:48
 snd_usb_create_quirk+0x9f/0xd0 sound/usb/quirks.c:563
 usb_audio_probe+0x619/0x2290 sound/usb/card.c:674
 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374
 really_probe+0x290/0xac0 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb2b/0x1940 drivers/base/core.c:2680
 usb_set_configuration+0xed4/0x1850 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb2b/0x1940 drivers/base/core.c:2680
 usb_new_device.cold+0x5a2/0xfd9 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x226d/0x43c0 drivers/usb/core/hub.c:5576
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

Freed by task 5:
 save_stack+0x1b/0x40 mm/kasan/common.c:48
 set_track mm/kasan/common.c:56 [inline]
 kasan_set_free_info mm/kasan/common.c:316 [inline]
 __kasan_slab_free+0x117/0x160 mm/kasan/common.c:455
 slab_free_hook mm/slub.c:1474 [inline]
 slab_free_freelist_hook mm/slub.c:1507 [inline]
 slab_free mm/slub.c:3072 [inline]
 kfree+0xd5/0x300 mm/slub.c:4063
 __vunmap+0x715/0xa00 mm/vmalloc.c:2310
 __vfree+0x3c/0xd0 mm/vmalloc.c:2351
 vfree+0x5a/0x90 mm/vmalloc.c:2381
 bpf_prog_unlock_free include/linux/filter.h:854 [inline]
 bpf_jit_free include/linux/filter.h:1109 [inline]
 bpf_prog_free_deferred+0x323/0x440 kernel/bpf/core.c:2097
 process_one_work+0x965/0x1620 kernel/workqueue.c:2269
 worker_thread+0x96/0xe10 kernel/workqueue.c:2415
 kthread+0x352/0x460 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

The buggy address belongs to the object at ffff8881cc5ef000
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 32 bytes to the right of
 64-byte region [ffff8881cc5ef000, ffff8881cc5ef040)
The buggy address belongs to the page:
page:ffffea0007317bc0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x200000000000200(slab)
raw: 0200000000000200 ffffea00072b5b40 0000000300000003 ffff8881da003180
raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881cc5eef00: 00 00 00 00 00 00 fc fc fc fc fb fb fb fb fb fb
 ffff8881cc5eef80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881cc5ef000: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
                                                       ^
 ffff8881cc5ef080: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
 ffff8881cc5ef100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
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