radio-si470x 4-1:0.0: non-zero urb status (-71)
==================================================================
BUG: KASAN: use-after-free in si470x_int_in_callback.cold+0x96/0xbf drivers/media/radio/si470x/radio-si470x-usb.c:378
Read of size 8 at addr ffff88801e80e9c0 by task kworker/1:2/2485
CPU: 1 PID: 2485 Comm: kworker/1:2 Not tainted 6.1.0-rc8-syzkaller-00035-gf3e8416619ce #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15e/0x45d mm/kasan/report.c:395
kasan_report+0xbf/0x1f0 mm/kasan/report.c:495
si470x_int_in_callback.cold+0x96/0xbf drivers/media/radio/si470x/radio-si470x-usb.c:378
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x6a2/0xaf0 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb7/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1fb/0xadc kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 76 96 86 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be a8 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 75 61 82 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc9000ada6e60 EFLAGS: 00000246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90014a88000
RDX: 0000000000040000 RSI: ffffffff81653525 RDI: 0000000000000007
RBP: ffffc9000ada7018 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff91983ea0 R14: 0000000000000200 R15: ffffffff8d026278
console_emit_next_record.constprop.0+0x4fb/0x840 arch/x86/include/asm/irqflags.h:45
console_flush_all kernel/printk/printk.c:2793 [inline]
console_unlock+0x3c2/0x600 kernel/printk/printk.c:2860
vprintk_emit+0x1bd/0x600 kernel/printk/printk.c:2268
vprintk+0x84/0xa0 kernel/printk/printk_safe.c:50
_printk+0xbe/0xf1 kernel/printk/printk.c:2289
call_driver_probe drivers/base/dd.c:576 [inline]
really_probe.cold+0x69/0x175 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5653 [inline]
hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
process_scheduled_works kernel/workqueue.c:2352 [inline]
worker_thread+0x858/0x1090 kernel/workqueue.c:2438
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Allocated by task 2485:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:371 [inline]
____kasan_kmalloc mm/kasan/common.c:330 [inline]
__kasan_kmalloc+0xa5/0xb0 mm/kasan/common.c:380
kmalloc include/linux/slab.h:553 [inline]
kzalloc include/linux/slab.h:689 [inline]
si470x_usb_driver_probe+0x55/0xfa0 drivers/media/radio/si470x/radio-si470x-usb.c:573
usb_probe_interface+0x30f/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5653 [inline]
hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
process_scheduled_works kernel/workqueue.c:2352 [inline]
worker_thread+0x858/0x1090 kernel/workqueue.c:2438
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Freed by task 2485:
kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:511
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1724 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1750
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0xaf/0x3b0 mm/slub.c:3674
si470x_usb_driver_probe+0xb41/0xfa0 drivers/media/radio/si470x/radio-si470x-usb.c:760
usb_probe_interface+0x30f/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_set_configuration+0x101d/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xbe/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:560 [inline]
really_probe+0x249/0xb90 drivers/base/dd.c:639
__driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808
__device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e8/0x2a0 drivers/base/bus.c:487
device_add+0xbd9/0x1e90 drivers/base/core.c:3517
usb_new_device.cold+0x685/0x10ad drivers/usb/core/hub.c:2573
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5653 [inline]
hub_event+0x26cb/0x45d0 drivers/usb/core/hub.c:5735
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
process_scheduled_works kernel/workqueue.c:2352 [inline]
worker_thread+0x858/0x1090 kernel/workqueue.c:2438
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
The buggy address belongs to the object at ffff88801e80e000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 2496 bytes inside of
4096-byte region [ffff88801e80e000, ffff88801e80f000)
The buggy address belongs to the physical page:
page:ffffea00007a0200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e808
head:ffffea00007a0200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888012042140
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 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 3684, tgid 3684 (syz-executor.1), ts 217254741569, free_ts 217238802256
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4291
__alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5558
alloc_pages+0x1aa/0x270 mm/mempolicy.c:2285
alloc_slab_page mm/slub.c:1794 [inline]
allocate_slab+0x25f/0x350 mm/slub.c:1939
new_slab mm/slub.c:1992 [inline]
___slab_alloc+0xa91/0x1400 mm/slub.c:3180
__slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279
slab_alloc_node mm/slub.c:3364 [inline]
__kmem_cache_alloc_node+0x199/0x3e0 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:954 [inline]
__kmalloc+0x4a/0xd0 mm/slab_common.c:968
kmalloc include/linux/slab.h:558 [inline]
tomoyo_realpath_from_path+0xc3/0x600 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x209/0x550 security/tomoyo/file.c:723
tomoyo_path_mkdir+0x9c/0xe0 security/tomoyo/tomoyo.c:166
security_path_mkdir+0xec/0x160 security/security.c:1160
do_mkdirat+0x14d/0x310 fs/namei.c:4056
__do_sys_mkdirat fs/namei.c:4076 [inline]
__se_sys_mkdirat fs/namei.c:4074 [inline]
__x64_sys_mkdirat+0x119/0x170 fs/namei.c:4074
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1459 [inline]
free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1509
free_unref_page_prepare mm/page_alloc.c:3387 [inline]
free_unref_page+0x1d/0x4d0 mm/page_alloc.c:3483
__unfreeze_partials+0x17c/0x1a0 mm/slub.c:2586
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x66/0x90 mm/kasan/common.c:302
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slab.h:737 [inline]
slab_alloc_node mm/slub.c:3398 [inline]
slab_alloc mm/slub.c:3406 [inline]
__kmem_cache_alloc_lru mm/slub.c:3413 [inline]
kmem_cache_alloc+0x2b4/0x3d0 mm/slub.c:3422
getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
getname_flags include/linux/audit.h:320 [inline]
getname+0x92/0xd0 fs/namei.c:218
do_sys_openat2+0xf5/0x4c0 fs/open.c:1304
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x143/0x1f0 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Memory state around the buggy address:
ffff88801e80e880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88801e80e900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88801e80e980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88801e80ea00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88801e80ea80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 76 96 jbe 0xffffff98
2: 86 02 xchg %al,(%rdx)
4: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
a: f3 0f 1e fa endbr64
e: 48 8b be a8 01 00 00 mov 0x1a8(%rsi),%rdi
15: e8 b0 ff ff ff callq 0xffffffca
1a: 31 c0 xor %eax,%eax
1c: c3 retq
1d: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
24: 00 00 00 00
28: 66 90 xchg %ax,%ax
* 2a: f3 0f 1e fa endbr64 <-- trapping instruction
2e: 65 8b 05 75 61 82 7e mov %gs:0x7e826175(%rip),%eax # 0x7e8261aa
35: 89 c1 mov %eax,%ecx
37: 48 8b 34 24 mov (%rsp),%rsi
3b: 81 .byte 0x81
3c: e1 00 loope 0x3e
3e: 01 00 add %eax,(%rax)