==================================================================
BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: slab-use-after-free in atomic_inc include/linux/atomic/atomic-instrumented.h:435 [inline]
BUG: KASAN: slab-use-after-free in usb_anchor_suspend_wakeups+0x28/0x40 drivers/usb/core/urb.c:927
Write of size 4 at addr ffff88802c471110 by task kworker/1:5/5151
CPU: 1 PID: 5151 Comm: kworker/1:5 Not tainted 6.9.0-rc6-syzkaller-00227-g3d25a941ea50 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: rcu_gp process_srcu
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
print_address_description mm/kasan/report.c:377 [inline]
print_report+0x169/0x550 mm/kasan/report.c:488
kasan_report+0x143/0x180 mm/kasan/report.c:601
kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
atomic_inc include/linux/atomic/atomic-instrumented.h:435 [inline]
usb_anchor_suspend_wakeups+0x28/0x40 drivers/usb/core/urb.c:927
__usb_hcd_giveback_urb+0x25c/0x530 drivers/usb/core/hcd.c:1635
dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1793
expire_timers kernel/time/timer.c:1844 [inline]
__run_timers kernel/time/timer.c:2418 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2429
run_timer_base kernel/time/timer.c:2438 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448
__do_softirq+0x2c6/0x980 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:arch_test_and_set_bit arch/x86/include/asm/bitops.h:137 [inline]
RIP: 0010:test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:72 [inline]
RIP: 0010:queue_delayed_work_on+0x201/0x260 kernel/workqueue.c:2607
Code: 11 e8 03 2f 36 00 4d 85 e4 75 16 e8 f9 2e 36 00 eb 15 e8 f2 2e 36 00 e8 2d 8c 20 0a 4d 85 e4 74 ea e8 e3 2e 36 00 fb 45 84 ff <0f> 94 c0 48 c7 44 24 20 0e 36 e0 45 48 b9 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90003eafae0 EFLAGS: 00000246
RAX: ffffffff815fe1dd RBX: 0000000000000000 RCX: ffff888018725a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003eafbb0 R08: ffffffff815fe1b3 R09: 1ffffffff25e6aa6
R10: dffffc0000000000 R11: fffffbfff25e6aa7 R12: 0000000000000200
R13: 1ffff920007d5f60 R14: 0000000000000046 R15: 0000000000000000
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Allocated by task 11852:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387
kasan_kmalloc include/linux/kasan.h:211 [inline]
kmalloc_trace+0x1db/0x360 mm/slub.c:3997
kmalloc include/linux/slab.h:628 [inline]
kzalloc include/linux/slab.h:749 [inline]
usbtmc_open+0x93/0x890 drivers/usb/class/usbtmc.c:175
usb_open+0x225/0x300 drivers/usb/core/file.c:47
chrdev_open+0x5b0/0x630 fs/char_dev.c:414
do_dentry_open+0x907/0x15a0 fs/open.c:955
do_open fs/namei.c:3642 [inline]
path_openat+0x2860/0x3240 fs/namei.c:3799
do_filp_open+0x235/0x490 fs/namei.c:3826
do_sys_openat2+0x13e/0x1d0 fs/open.c:1406
do_sys_open fs/open.c:1421 [inline]
__do_sys_openat fs/open.c:1437 [inline]
__se_sys_openat fs/open.c:1432 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1432
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Freed by task 11852:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2106 [inline]
slab_free mm/slub.c:4280 [inline]
kfree+0x153/0x3a0 mm/slub.c:4390
usbtmc_release+0x24f/0x280 drivers/usb/class/usbtmc.c:261
__fput+0x429/0x8a0 fs/file_table.c:422
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x102/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff88802c471000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 272 bytes inside of
freed 1024-byte region [ffff88802c471000, ffff88802c471400)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2c470
head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888015041dc0 ffffea000091aa00 dead000000000002
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
head: 00fff00000000840 ffff888015041dc0 ffffea000091aa00 dead000000000002
head: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
head: 00fff00000000003 ffffea0000b11c01 dead000000000122 00000000ffffffff
head: 0000000800000000 0000000000000000 00000000ffffffff 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 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5110, tgid 660281277 (syz-executor.3), ts 5110, free_ts 60390689606
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534
prep_new_page mm/page_alloc.c:1541 [inline]
get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317
__alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575
__alloc_pages_node include/linux/gfp.h:238 [inline]
alloc_pages_node include/linux/gfp.h:261 [inline]
alloc_slab_page+0x5f/0x160 mm/slub.c:2175
allocate_slab mm/slub.c:2338 [inline]
new_slab+0x84/0x2f0 mm/slub.c:2391
___slab_alloc+0xc73/0x1260 mm/slub.c:3525
__slab_alloc mm/slub.c:3610 [inline]
__slab_alloc_node mm/slub.c:3663 [inline]
slab_alloc_node mm/slub.c:3835 [inline]
__do_kmalloc_node mm/slub.c:3965 [inline]
__kmalloc_node_track_caller+0x2d6/0x4e0 mm/slub.c:3986
kmalloc_reserve+0x111/0x2a0 net/core/skbuff.c:599
__alloc_skb+0x1f3/0x440 net/core/skbuff.c:668
alloc_skb include/linux/skbuff.h:1313 [inline]
nlmsg_new include/net/netlink.h:1010 [inline]
inet6_rt_notify+0xdf/0x290 net/ipv6/route.c:6175
fib6_add_rt2node net/ipv6/ip6_fib.c:1261 [inline]
fib6_add+0x1e33/0x4430 net/ipv6/ip6_fib.c:1490
__ip6_ins_rt net/ipv6/route.c:1313 [inline]
ip6_ins_rt+0x106/0x170 net/ipv6/route.c:1323
__ipv6_ifa_notify+0x5ca/0x11f0 net/ipv6/addrconf.c:6266
ipv6_ifa_notify net/ipv6/addrconf.c:6305 [inline]
add_addr+0x2dd/0x490 net/ipv6/addrconf.c:3206
add_v4_addrs+0x8dd/0x1160 net/ipv6/addrconf.c:3265
addrconf_gre_config net/ipv6/addrconf.c:3542 [inline]
addrconf_init_auto_addrs+0x208/0xeb0 net/ipv6/addrconf.c:3560
page last free pid 5116 tgid 5116 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1141 [inline]
free_unref_page_prepare+0x986/0xab0 mm/page_alloc.c:2347
free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487
__slab_free+0x31b/0x3d0 mm/slub.c:4192
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3798 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x194/0x380 mm/slub.c:3888
__alloc_skb+0x1c3/0x440 net/core/skbuff.c:658
netlink_sendmsg+0x637/0xcb0 net/netlink/af_netlink.c:1880
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
__sys_sendto+0x3a4/0x4f0 net/socket.c:2191
__do_sys_sendto net/socket.c:2203 [inline]
__se_sys_sendto net/socket.c:2199 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2199
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff88802c471000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88802c471080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88802c471100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88802c471180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88802c471200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: e8 03 2f 36 00 call 0x362f08
5: 4d 85 e4 test %r12,%r12
8: 75 16 jne 0x20
a: e8 f9 2e 36 00 call 0x362f08
f: eb 15 jmp 0x26
11: e8 f2 2e 36 00 call 0x362f08
16: e8 2d 8c 20 0a call 0xa208c48
1b: 4d 85 e4 test %r12,%r12
1e: 74 ea je 0xa
20: e8 e3 2e 36 00 call 0x362f08
25: fb sti
26: 45 84 ff test %r15b,%r15b
* 29: 0f 94 c0 sete %al <-- trapping instruction
2c: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp)
33: e0 45
35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
3c: fc ff df