==================================================================
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
Read of size 4 at addr ffff8880405042e8 by task kworker/u4:5/1135
CPU: 0 PID: 1135 Comm: kworker/u4:5 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: netns cleanup_net
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+0xeb/0x495 mm/kasan/report.c:313
print_report mm/kasan/report.c:429 [inline]
kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
__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:1988
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x29b/0x9c2 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:24 [inline]
RIP: 0010:lock_acquire+0x455/0x570 kernel/locking/lockdep.c:5637
Code: fa ff 74 24 08 e8 fb 65 fe ff 5e 5f 65 ff 0d b2 cb a3 7e 0f 85 44 fc ff ff e8 16 a2 a1 ff e9 3a fc ff ff 65 ff 05 9b cb a3 7e <48> c7 c0 c0 89 a7 8d 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80
RSP: 0018:ffffc9000528fa50 EFLAGS: 00000283
RAX: 0000000000000001 RBX: 1ffff92000a51f4c RCX: ffffffff815ea008
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8dbc0c10
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8dbc0c17
R10: fffffbfff1b78182 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd873c0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:280 [inline]
rcu_read_lock include/linux/rcupdate.h:706 [inline]
inet_twsk_purge+0x117/0x850 net/ipv4/inet_timewait_sock.c:270
ops_exit_list+0x125/0x170 net/core/net_namespace.c:167
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Allocated by task 0:
(stack is not available)
Freed by task 14:
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:45
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:367 [inline]
____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:329
kasan_slab_free include/linux/kasan.h:200 [inline]
slab_free_hook mm/slub.c:1754 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
slab_free mm/slub.c:3534 [inline]
kfree+0xe2/0x4d0 mm/slub.c:4562
skb_free_head+0xac/0x110 net/core/skbuff.c:655
skb_release_data+0x5f5/0x870 net/core/skbuff.c:684
skb_release_all net/core/skbuff.c:749 [inline]
__kfree_skb net/core/skbuff.c:763 [inline]
consume_skb net/core/skbuff.c:927 [inline]
consume_skb+0xc2/0x160 net/core/skbuff.c:921
nsim_dev_trap_report drivers/net/netdevsim/dev.c:815 [inline]
nsim_dev_trap_report_work+0x855/0xba0 drivers/net/netdevsim/dev.c:840
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
The buggy address belongs to the object at ffff888040504000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 744 bytes inside of
4096-byte region [ffff888040504000, ffff888040505000)
The buggy address belongs to the physical page:
page:ffffea0001014000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40500
head:ffffea0001014000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888011842140
raw: 0000000000000000 0000000000040004 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 14, tgid 14 (kworker/0:1), ts 678981514429, free_ts 678888215628
prep_new_page mm/page_alloc.c:2457 [inline]
get_page_from_freelist+0x1298/0x3b80 mm/page_alloc.c:4203
__alloc_pages+0x1c7/0x510 mm/page_alloc.c:5431
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
alloc_slab_page mm/slub.c:1824 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1969
new_slab mm/slub.c:2029 [inline]
___slab_alloc+0x99f/0xe10 mm/slub.c:3031
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
slab_alloc_node mm/slub.c:3209 [inline]
__kmalloc_node_track_caller+0x34f/0x4a0 mm/slub.c:4955
kmalloc_reserve net/core/skbuff.c:354 [inline]
__alloc_skb+0xde/0x340 net/core/skbuff.c:426
alloc_skb include/linux/skbuff.h:1434 [inline]
nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:742 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:799 [inline]
nsim_dev_trap_report_work+0x291/0xba0 drivers/net/netdevsim/dev.c:840
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1371 [inline]
free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1421
free_unref_page_prepare mm/page_alloc.c:3344 [inline]
free_unref_page+0x19/0x6a0 mm/page_alloc.c:3439
device_release+0x9f/0x240 drivers/base/core.c:2241
kobject_cleanup lib/kobject.c:673 [inline]
kobject_release lib/kobject.c:704 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1c8/0x540 lib/kobject.c:721
put_device+0x1b/0x30 drivers/base/core.c:3535
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:508
ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1245
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Memory state around the buggy address:
ffff888040504180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888040504200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888040504280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888040504300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888040504380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: fa cli
1: ff 74 24 08 pushq 0x8(%rsp)
5: e8 fb 65 fe ff callq 0xfffe6605
a: 5e pop %rsi
b: 5f pop %rdi
c: 65 ff 0d b2 cb a3 7e decl %gs:0x7ea3cbb2(%rip) # 0x7ea3cbc5
13: 0f 85 44 fc ff ff jne 0xfffffc5d
19: e8 16 a2 a1 ff callq 0xffa1a234
1e: e9 3a fc ff ff jmpq 0xfffffc5d
23: 65 ff 05 9b cb a3 7e incl %gs:0x7ea3cb9b(%rip) # 0x7ea3cbc5
* 2a: 48 c7 c0 c0 89 a7 8d mov $0xffffffff8da789c0,%rax <-- trapping instruction
31: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
38: fc ff df
3b: 48 c1 e8 03 shr $0x3,%rax
3f: 80 .byte 0x80