==================================================================
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:190 [inline]
BUG: KASAN: slab-use-after-free in usb_anchor_suspend_wakeups+0x28/0x40 drivers/usb/core/urb.c:942
Write of size 4 at addr ffff88806bbd4110 by task kworker/1:7/5447
CPU: 1 PID: 5447 Comm: kworker/1:7 Not tainted 6.4.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:351 [inline]
print_report+0x163/0x540 mm/kasan/report.c:462
kasan_report+0x176/0x1b0 mm/kasan/report.c:572
kasan_check_range+0x283/0x290 mm/kasan/generic.c:187
instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
atomic_inc include/linux/atomic/atomic-instrumented.h:190 [inline]
usb_anchor_suspend_wakeups+0x28/0x40 drivers/usb/core/urb.c:942
__usb_hcd_giveback_urb+0x25d/0x530 drivers/usb/core/hcd.c:1658
dummy_timer+0x8aa/0x3210 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x178/0x580 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x64f/0x860 kernel/time/timer.c:2022
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
__do_softirq+0x2ab/0x908 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x159/0x240 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:console_flush_all+0x8a7/0xd70
Code: cd f9 ff ff e8 8a 66 1c 00 0f 0b e9 87 fa ff ff e8 7e 66 1c 00 e8 39 54 3c 09 4d 85 f6 74 c6 e8 6f 66 1c 00 fb 4c 8b 74 24 68 <48> 8b 44 24 70 42 0f b6 04 20 84 c0 0f 85 16 02 00 00 48 8b 44 24
RSP: 0018:ffffc90005e87220 EFLAGS: 00000293
RAX: ffffffff816dbdc1 RBX: 0000000000000000 RCX: ffff88807a9dbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005e873d0 R08: ffffffff816dbd6e R09: fffffbfff2061c2d
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffffff8d657bf8 R15: ffffffff8d657ba0
console_unlock+0xff/0x270 kernel/printk/printk.c:3007
vprintk_emit+0xd5/0x1f0 kernel/printk/printk.c:2307
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4840
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4851
_dev_info+0x122/0x170 drivers/base/core.c:4909
usb_disconnect+0xe2/0x8d0 drivers/usb/core/hub.c:2220
hub_port_connect drivers/usb/core/hub.c:5246 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
port_event drivers/usb/core/hub.c:5711 [inline]
hub_event+0x1f36/0x5460 drivers/usb/core/hub.c:5793
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
process_scheduled_works kernel/workqueue.c:2468 [inline]
worker_thread+0xd20/0x1210 kernel/workqueue.c:2554
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Allocated by task 5867:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
____kasan_kmalloc mm/kasan/common.c:374 [inline]
__kasan_kmalloc+0x7d/0x90 mm/kasan/common.c:383
kmalloc include/linux/slab.h:559 [inline]
kzalloc include/linux/slab.h:680 [inline]
usbtmc_open+0x93/0x880 drivers/usb/class/usbtmc.c:175
usb_open+0x21e/0x2f0 drivers/usb/core/file.c:48
chrdev_open+0x54e/0x630 fs/char_dev.c:414
do_dentry_open+0x7f9/0x10f0 fs/open.c:920
do_open fs/namei.c:3636 [inline]
path_openat+0x27b3/0x3170 fs/namei.c:3791
do_filp_open+0x234/0x490 fs/namei.c:3818
do_sys_openat2+0x13f/0x500 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_openat fs/open.c:1388 [inline]
__se_sys_openat fs/open.c:1383 [inline]
__x64_sys_openat+0x247/0x290 fs/open.c:1383
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Freed by task 5867:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:521
____kasan_slab_free+0xb0/0x100 mm/kasan/common.c:236
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook mm/slub.c:1807 [inline]
slab_free mm/slub.c:3786 [inline]
__kmem_cache_free+0x1e7/0x330 mm/slub.c:3799
usbtmc_release+0x24f/0x280 drivers/usb/class/usbtmc.c:261
__fput+0x3b7/0x890 fs/file_table.c:321
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
do_syscall_64+0x4d/0x90 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Last potentially related work creation:
kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45
__kasan_record_aux_stack mm/kasan/generic.c:491 [inline]
kasan_record_aux_stack_noalloc+0x87/0x90 mm/kasan/generic.c:501
kvfree_call_rcu+0x109/0x8d0 kernel/rcu/tree.c:3332
neigh_del net/core/neighbour.c:225 [inline]
neigh_remove_one+0x5ca/0x6d0 net/core/neighbour.c:246
neigh_forced_gc net/core/neighbour.c:276 [inline]
neigh_alloc net/core/neighbour.c:476 [inline]
___neigh_create+0x45e/0x2370 net/core/neighbour.c:640
ip6_finish_output2+0x1529/0x1560 net/ipv6/ip6_output.c:125
__ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
ip6_finish_output+0x6b0/0xa80 net/ipv6/ip6_output.c:206
dst_output include/net/dst.h:458 [inline]
NF_HOOK include/linux/netfilter.h:303 [inline]
ndisc_send_skb+0xad4/0x13a0 net/ipv6/ndisc.c:508
ndisc_send_ns+0xcc/0x160 net/ipv6/ndisc.c:666
addrconf_dad_work+0xb10/0x16b0 net/ipv6/addrconf.c:4176
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
kthread+0x2b8/0x350 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
The buggy address belongs to the object at ffff88806bbd4000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 272 bytes inside of
freed 1024-byte region [ffff88806bbd4000, ffff88806bbd4400)
The buggy address belongs to the physical page:
page:ffffea0001aef400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6bbd0
head:ffffea0001aef400 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000010200 ffff888012441dc0 ffffea0001af1c00 dead000000000002
raw: 0000000000000000 0000000000100010 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5334, tgid 5334 (syz-executor.1), ts 79139428725, free_ts 12564473893
prep_new_page mm/page_alloc.c:1738 [inline]
get_page_from_freelist+0x321c/0x33a0 mm/page_alloc.c:3502
__alloc_pages+0x255/0x670 mm/page_alloc.c:4768
alloc_slab_page+0x6a/0x160 mm/slub.c:1851
allocate_slab mm/slub.c:1998 [inline]
new_slab+0x84/0x2f0 mm/slub.c:2051
___slab_alloc+0xa85/0x10a0 mm/slub.c:3192
__slab_alloc mm/slub.c:3291 [inline]
__slab_alloc_node mm/slub.c:3344 [inline]
slab_alloc_node mm/slub.c:3441 [inline]
__kmem_cache_alloc_node+0x1a8/0x240 mm/slub.c:3490
__do_kmalloc_node mm/slab_common.c:965 [inline]
__kmalloc_node+0xa7/0x230 mm/slab_common.c:973
kmalloc_node include/linux/slab.h:579 [inline]
kzalloc_node include/linux/slab.h:691 [inline]
qdisc_alloc+0x94/0x930 net/sched/sch_generic.c:938
qdisc_create_dflt+0x62/0x480 net/sched/sch_generic.c:996
attach_one_default_qdisc net/sched/sch_generic.c:1151 [inline]
netdev_for_each_tx_queue include/linux/netdevice.h:2514 [inline]
attach_default_qdiscs net/sched/sch_generic.c:1169 [inline]
dev_activate+0x345/0x11d0 net/sched/sch_generic.c:1228
__dev_open+0x3f7/0x510 net/core/dev.c:1424
__dev_change_flags+0x1df/0x6e0 net/core/dev.c:8566
dev_change_flags+0x8b/0x1a0 net/core/dev.c:8638
do_setlink+0xe93/0x2ae0 net/core/rtnetlink.c:2836
__rtnl_newlink net/core/rtnetlink.c:3626 [inline]
rtnl_newlink+0x172d/0x2010 net/core/rtnetlink.c:3673
rtnetlink_rcv_msg+0x825/0xf40 net/core/rtnetlink.c:6395
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1302 [inline]
free_unref_page_prepare+0x8fe/0xa10 mm/page_alloc.c:2564
free_unref_page+0x37/0x3f0 mm/page_alloc.c:2659
free_contig_range+0x9e/0x150 mm/page_alloc.c:6994
destroy_args+0x102/0x9a0 mm/debug_vm_pgtable.c:1023
debug_vm_pgtable+0x405/0x490 mm/debug_vm_pgtable.c:1403
do_one_initcall+0x23d/0x7d0 init/main.c:1246
do_initcall_level+0x157/0x210 init/main.c:1319
do_initcalls+0x3f/0x80 init/main.c:1335
kernel_init_freeable+0x43b/0x5d0 init/main.c:1571
kernel_init+0x1d/0x2a0 init/main.c:1462
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Memory state around the buggy address:
ffff88806bbd4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88806bbd4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88806bbd4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88806bbd4180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88806bbd4200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 4 bytes skipped:
0: e8 8a 66 1c 00 callq 0x1c668f
5: 0f 0b ud2
7: e9 87 fa ff ff jmpq 0xfffffa93
c: e8 7e 66 1c 00 callq 0x1c668f
11: e8 39 54 3c 09 callq 0x93c544f
16: 4d 85 f6 test %r14,%r14
19: 74 c6 je 0xffffffe1
1b: e8 6f 66 1c 00 callq 0x1c668f
20: fb sti
21: 4c 8b 74 24 68 mov 0x68(%rsp),%r14
* 26: 48 8b 44 24 70 mov 0x70(%rsp),%rax <-- trapping instruction
2b: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax
30: 84 c0 test %al,%al
32: 0f 85 16 02 00 00 jne 0x24e
38: 48 rex.W
39: 8b .byte 0x8b
3a: 44 rex.R
3b: 24 .byte 0x24