==================================================================
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:643 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea4/0x10c0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
Read of size 4 at addr ffff888025374348 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.17.0-rc7-syzkaller-00078-g3bf7edc84a9e #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description.constprop.0.cold+0x8d/0x336 mm/kasan/report.c:255
__kasan_report mm/kasan/report.c:442 [inline]
kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:643 [inline]
ath9k_hif_usb_rx_cb+0xea4/0x10c0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:default_idle+0xb/0x10 arch/x86/kernel/process.c:734
Code: f8 e9 8c fd ff ff 4c 89 f7 e8 b1 46 71 f8 e9 3a fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc eb 07 0f 00 2d 87 97 57 00 fb f4 0f 1f 40 00 41 54 be 08 00 00 00 53 65 48 8b 1c 25 00 70 02 00
RSP: 0018:ffffffff8b807e40 EFLAGS: 00000206
RAX: 00000000004bbc87 RBX: ffffffff8b8bc6c0 RCX: ffffffff894c3381
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88802ca3ac53
R10: ffffed100594758a R11: 0000000000000000 R12: fffffbfff17178d8
R13: 0000000000000000 R14: ffffffff8d942c90 R15: 0000000000000000
default_idle_call+0x87/0xd0 kernel/sched/idle.c:112
cpuidle_idle_call kernel/sched/idle.c:194 [inline]
do_idle+0x401/0x590 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x47a/0x49b init/main.c:1138
secondary_startup_64_no_verify+0xc3/0xcb
Allocated by task 0:
(stack is not available)
The buggy address belongs to the object at ffff888025374000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 840 bytes inside of
4096-byte region [ffff888025374000, ffff888025375000)
The buggy address belongs to the page:
page:ffffea000094dc00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x25370
head:ffffea000094dc00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c43040
raw: 0000000000000000 0000000080040004 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 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 1848, ts 1069359506443, free_ts 1069245957345
prep_new_page mm/page_alloc.c:2434 [inline]
get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4165
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5389
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2271
alloc_slab_page mm/slub.c:1799 [inline]
allocate_slab+0x27f/0x3c0 mm/slub.c:1944
new_slab mm/slub.c:2004 [inline]
___slab_alloc+0xbe1/0x12b0 mm/slub.c:3018
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3105
slab_alloc_node mm/slub.c:3196 [inline]
__kmalloc_node_track_caller+0x339/0x470 mm/slub.c:4957
kmalloc_reserve net/core/skbuff.c:354 [inline]
__alloc_skb+0xde/0x340 net/core/skbuff.c:426
alloc_skb include/linux/skbuff.h:1158 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:745 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:802 [inline]
nsim_dev_trap_report_work+0x29a/0xbc0 drivers/net/netdevsim/dev.c:843
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1352 [inline]
free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1404
free_unref_page_prepare mm/page_alloc.c:3325 [inline]
free_unref_page+0x19/0x690 mm/page_alloc.c:3404
device_release+0x9f/0x240 drivers/base/core.c:2229
kobject_cleanup lib/kobject.c:705 [inline]
kobject_release lib/kobject.c:736 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1c8/0x540 lib/kobject.c:753
put_device+0x1b/0x30 drivers/base/core.c:3512
ath9k_htc_probe_device+0x1c7/0x1f00 drivers/net/wireless/ath/ath9k/htc_drv_init.c:976
ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:503
ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1246
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1022
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Memory state around the buggy address:
ffff888025374200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888025374280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888025374300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888025374380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888025374400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: f8 clc
1: e9 8c fd ff ff jmpq 0xfffffd92
6: 4c 89 f7 mov %r14,%rdi
9: e8 b1 46 71 f8 callq 0xf87146bf
e: e9 3a fd ff ff jmpq 0xfffffd4d
13: cc int3
14: cc int3
15: cc int3
16: cc int3
17: cc int3
18: cc int3
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: cc int3
1e: cc int3
1f: eb 07 jmp 0x28
21: 0f 00 2d 87 97 57 00 verw 0x579787(%rip) # 0x5797af
28: fb sti
29: f4 hlt
* 2a: c3 retq <-- trapping instruction
2b: 0f 1f 40 00 nopl 0x0(%rax)
2f: 41 54 push %r12
31: be 08 00 00 00 mov $0x8,%esi
36: 53 push %rbx
37: 65 48 8b 1c 25 00 70 mov %gs:0x27000,%rbx
3e: 02 00