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BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xc67/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
Read of size 4 at addr ffff8881c997c09c by task swapper/1/0
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x1a/0x210 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x37/0x7c mm/kasan/report.c:530
ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline]
ath9k_hif_usb_rx_cb+0xc67/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671
__usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716
dummy_timer+0x11f2/0x3240 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.part.0+0x54c/0x9e0 kernel/time/timer.c:1773
__run_timers kernel/time/timer.c:1745 [inline]
run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786
__do_softirq+0x222/0x95b kernel/softirq.c:292
asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
__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+0xed/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+0x150/0x1f0 kernel/softirq.c:429
sysvec_apic_timer_interrupt+0x49/0xc0 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+0x72/0x90 drivers/acpi/processor_idle.c:112
Code: 74 06 5b e9 60 c8 8f fb e8 5b c8 8f fb e8 a6 53 95 fb e9 0c 00 00 00 e8 4c c8 8f fb 0f 00 2d c5 e5 74 00 e8 40 c8 8f fb fb f4 e8 98 4d 95 fb 5b e9 32 c8 8f fb 48 89 df e8 fa 72 b9 fb eb ab
RSP: 0018:ffff8881da22fc80 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8881da213200 RSI: ffffffff85afd9a0 RDI: ffffffff85afd98a
RBP: ffff8881d9287864 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8881d9287864
R13: 1ffff1103b445f99 R14: ffff8881d9287865 R15: 0000000000000001
acpi_idle_do_entry+0x15c/0x1b0 drivers/acpi/processor_idle.c:525
acpi_idle_enter+0x3f0/0xa50 drivers/acpi/processor_idle.c:651
cpuidle_enter_state+0xff/0x870 drivers/cpuidle/cpuidle.c:235
cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:346
call_cpuidle kernel/sched/idle.c:126 [inline]
cpuidle_idle_call kernel/sched/idle.c:214 [inline]
do_idle+0x3d6/0x5a0 kernel/sched/idle.c:276
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:372
start_secondary+0x2d2/0x3c0 arch/x86/kernel/smpboot.c:268
secondary_startup_64+0xb6/0xc0 arch/x86/kernel/head_64.S:243
Allocated by task 11040:
save_stack+0x1b/0x40 mm/kasan/common.c:48
set_track mm/kasan/common.c:56 [inline]
__kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494
slab_post_alloc_hook mm/slab.h:586 [inline]
slab_alloc_node mm/slub.c:2824 [inline]
slab_alloc mm/slub.c:2832 [inline]
kmem_cache_alloc+0xd2/0x310 mm/slub.c:2837
getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
getname_flags include/linux/audit.h:302 [inline]
getname+0x8e/0xd0 fs/namei.c:209
do_sys_openat2+0xf7/0x3b0 fs/open.c:1173
do_sys_open fs/open.c:1195 [inline]
ksys_open include/linux/syscalls.h:1388 [inline]
__do_sys_open fs/open.c:1201 [inline]
__se_sys_open fs/open.c:1199 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1199
do_syscall_64+0x50/0x90 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Freed by task 11040:
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+0x116/0x160 mm/kasan/common.c:455
slab_free_hook mm/slub.c:1474 [inline]
slab_free_freelist_hook+0x53/0x140 mm/slub.c:1507
slab_free mm/slub.c:3072 [inline]
kmem_cache_free+0x84/0x2e0 mm/slub.c:3088
putname+0xe1/0x120 fs/namei.c:259
getname_flags.part.0+0x372/0x4f0 fs/namei.c:195
getname_flags include/linux/audit.h:302 [inline]
getname+0x8e/0xd0 fs/namei.c:209
do_sys_openat2+0xf7/0x3b0 fs/open.c:1173
do_sys_open fs/open.c:1195 [inline]
ksys_open include/linux/syscalls.h:1388 [inline]
__do_sys_open fs/open.c:1201 [inline]
__se_sys_open fs/open.c:1199 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1199
do_syscall_64+0x50/0x90 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The buggy address belongs to the object at ffff8881c997b300
which belongs to the cache names_cache of size 4096
The buggy address is located 3484 bytes inside of
4096-byte region [ffff8881c997b300, ffff8881c997c300)
The buggy address belongs to the page:
page:ffffea0007265e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea0007265e00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da120000
raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8881c997bf80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8881c997c000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881c997c080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8881c997c100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8881c997c180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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