radio-si470x 3-1:0.0: 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 ffff8881191169b8 by task udevd/3998
CPU: 0 PID: 3998 Comm: udevd Not tainted 6.1.0-rc7-syzkaller-00134-g1524ceb14dd5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 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+0xbb/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+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671
usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754
dummy_timer+0x11ff/0x32c0 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+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x1e4/0xabb kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x223/0x630 kernel/locking/lockdep.c:5636
Code: da d7 7e 83 f8 01 0f 85 3a 03 00 00 9c 58 f6 c4 02 0f 85 25 03 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc900018078b0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000300f19 RCX: ffffffff812a46be
RDX: 1ffff11022dad849 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8b0816cf
R10: fffffbfff16102d9 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88810caab828 R15: 0000000000000000
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:350 [inline]
lockref_get_not_dead+0x14/0x80 lib/lockref.c:185
__legitimize_path+0x7f/0x1c0 fs/namei.c:705
legitimize_path fs/namei.c:715 [inline]
legitimize_root fs/namei.c:743 [inline]
try_to_unlazy+0x321/0x620 fs/namei.c:778
lookup_fast+0x28b/0x520 fs/namei.c:1622
walk_component+0x5e/0x5a0 fs/namei.c:1989
lookup_last fs/namei.c:2450 [inline]
path_lookupat+0x1ba/0x840 fs/namei.c:2474
filename_lookup+0x1ce/0x590 fs/namei.c:2503
vfs_statx+0x14c/0x430 fs/stat.c:229
vfs_fstatat+0x8c/0xb0 fs/stat.c:267
__do_sys_newfstatat+0x94/0x120 fs/stat.c:437
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50abbcf1da
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 69 fc 0c 00 f7
RSP: 002b:00007ffe3801ab38 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffe3801abe8 RCX: 00007f50abbcf1da
RDX: 00007ffe3801ab58 RSI: 00007ffe3801b508 RDI: 00000000ffffff9c
RBP: 00007ffe3801b508 R08: 0000000000000000 R09: 00007ffe3801b2f0
R10: 0000000000000100 R11: 0000000000000206 R12: 0000000000000005
R13: 000055cfeaadd5e0 R14: 000055cfeaae5dd0 R15: 00007ffe3801b519
Allocated by task 4064:
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45
kasan_set_track+0x21/0x30 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:371 [inline]
__kasan_kmalloc+0x7a/0x90 mm/kasan/common.c:380
kmalloc include/linux/slab.h:553 [inline]
kzalloc include/linux/slab.h:689 [inline]
si470x_usb_driver_probe+0x51/0xf90 drivers/media/radio/si470x/radio-si470x-usb.c:573
usb_probe_interface+0x30b/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+0x1d0/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbd5/0x1e90 drivers/base/core.c:3517
usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd4/0x2c0 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+0x1d0/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbd5/0x1e90 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:5405 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5549 [inline]
port_event drivers/usb/core/hub.c:5709 [inline]
hub_event+0x2d58/0x4810 drivers/usb/core/hub.c:5791
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ea/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Freed by task 4064:
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45
kasan_set_track+0x21/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2a/0x40 mm/kasan/generic.c:511
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x144/0x1b0 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 mm/slub.c:1750 [inline]
slab_free mm/slub.c:3661 [inline]
__kmem_cache_free+0x95/0x400 mm/slub.c:3674
si470x_usb_driver_probe+0xb3d/0xf90 drivers/media/radio/si470x/radio-si470x-usb.c:760
usb_probe_interface+0x30b/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+0x1d0/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbd5/0x1e90 drivers/base/core.c:3517
usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd4/0x2c0 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+0x1d0/0x2e0 drivers/base/dd.c:936
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x1e4/0x530 drivers/base/dd.c:1008
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xbd5/0x1e90 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:5405 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5549 [inline]
port_event drivers/usb/core/hub.c:5709 [inline]
hub_event+0x2d58/0x4810 drivers/usb/core/hub.c:5791
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2ea/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 ffff888119116000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 2488 bytes inside of
4096-byte region [ffff888119116000, ffff888119117000)
The buggy address belongs to the physical page:
page:ffffea0004644400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119110
head:ffffea0004644400 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head|node=0|zone=2)
raw: 0200000000010200 0000000000000000 dead000000000122 ffff888100042140
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 10689, tgid 10686 (syz-executor.2), ts 615630065261, free_ts 610555290503
prep_new_page mm/page_alloc.c:2539 [inline]
get_page_from_freelist+0x128b/0x2c70 mm/page_alloc.c:4291
__alloc_pages+0x1c7/0x5a0 mm/page_alloc.c:5558
alloc_pages+0x1a6/0x270 mm/mempolicy.c:2285
alloc_slab_page mm/slub.c:1794 [inline]
allocate_slab+0x213/0x300 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+0x2e7/0x3b0 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:954 [inline]
__kmalloc+0x46/0xc0 mm/slab_common.c:968
kmalloc include/linux/slab.h:558 [inline]
tomoyo_realpath_from_path+0xbf/0x600 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x205/0x550 security/tomoyo/file.c:723
security_file_ioctl+0x50/0xb0 security/security.c:1554
__do_sys_ioctl fs/ioctl.c:864 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0xb3/0x200 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 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+0x64a/0xbf0 mm/page_alloc.c:1509
free_unref_page_prepare mm/page_alloc.c:3387 [inline]
free_unref_page+0x19/0x420 mm/page_alloc.c:3483
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x44/0x60 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+0x2a1/0x3a0 mm/slub.c:3422
getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
getname_flags include/linux/audit.h:320 [inline]
getname fs/namei.c:218 [inline]
__do_sys_unlink fs/namei.c:4368 [inline]
__se_sys_unlink fs/namei.c:4366 [inline]
__x64_sys_unlink+0xb1/0x110 fs/namei.c:4366
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Memory state around the buggy address:
ffff888119116880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888119116900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888119116980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888119116a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888119116a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: da d7 fcmovbe %st(7),%st
2: 7e 83 jle 0xffffff87
4: f8 clc
5: 01 0f add %ecx,(%rdi)
7: 85 3a test %edi,(%rdx)
9: 03 00 add (%rax),%eax
b: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2)
12: 85 25 03 00 00 48 test %esp,0x48000003(%rip) # 0x4800001b
18: 83 7c 24 08 00 cmpl $0x0,0x8(%rsp)
1d: 74 01 je 0x20
1f: fb sti
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction
2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx)
3b: 00
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 84 .byte 0x84
3f: 24 .byte 0x24