Bluetooth: hci0: Opcode 0x0406 failed: -4
Bluetooth: hci1: Opcode 0x0c1a failed: -4
Bluetooth: hci1: Opcode 0x0406 failed: -4
==================================================================
BUG: KASAN: slab-out-of-bounds in __list_del_entry_valid_or_report+0x1d4/0x200 lib/list_debug.c:62
Read of size 8 at addr ffff888025e6f550 by task syz.1.4580/20443
CPU: 2 UID: 0 PID: 20443 Comm: syz.1.4580 Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xc3/0x620 mm/kasan/report.c:489
kasan_report+0xd9/0x110 mm/kasan/report.c:602
__list_del_entry_valid_or_report+0x1d4/0x200 lib/list_debug.c:62
__list_del_entry_valid include/linux/list.h:124 [inline]
__list_del_entry include/linux/list.h:215 [inline]
list_del_init include/linux/list.h:287 [inline]
bt_accept_unlink+0x34/0x2e0 net/bluetooth/af_bluetooth.c:256
l2cap_sock_teardown_cb+0x1a3/0x3c0 net/bluetooth/l2cap_sock.c:1601
l2cap_chan_del+0xba/0x8f0 net/bluetooth/l2cap_core.c:658
l2cap_conn_del+0x37c/0x730 net/bluetooth/l2cap_core.c:1785
l2cap_connect_cfm+0x7aa/0xf10 net/bluetooth/l2cap_core.c:7235
hci_connect_cfm include/net/bluetooth/hci_core.h:2051 [inline]
hci_conn_failed+0x225/0x3e0 net/bluetooth/hci_conn.c:1266
hci_abort_conn_sync+0x968/0x1030 net/bluetooth/hci_sync.c:5588
hci_disconnect_all_sync.constprop.0+0x104/0x3c0 net/bluetooth/hci_sync.c:5611
hci_suspend_sync+0x772/0xab0 net/bluetooth/hci_sync.c:6088
hci_suspend_dev+0x27d/0x5e0 net/bluetooth/hci_core.c:2811
hci_suspend_notifier+0x28d/0x2f0 net/bluetooth/hci_core.c:2391
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
notifier_call_chain_robust kernel/notifier.c:120 [inline]
blocking_notifier_call_chain_robust kernel/notifier.c:345 [inline]
blocking_notifier_call_chain_robust+0xc9/0x170 kernel/notifier.c:333
pm_notifier_call_chain_robust+0x27/0x60 kernel/power/main.c:102
snapshot_open+0x189/0x2b0 kernel/power/user.c:77
misc_open+0x35a/0x420 drivers/char/misc.c:179
chrdev_open+0x237/0x6a0 fs/char_dev.c:414
do_dentry_open+0x735/0x1c40 fs/open.c:955
vfs_open+0x82/0x3f0 fs/open.c:1085
do_open fs/namei.c:3830 [inline]
path_openat+0x1e88/0x2d80 fs/namei.c:3989
do_filp_open+0x20c/0x470 fs/namei.c:4016
do_sys_openat2+0x17a/0x1e0 fs/open.c:1427
do_sys_open fs/open.c:1442 [inline]
__do_compat_sys_openat fs/open.c:1504 [inline]
__se_compat_sys_openat fs/open.c:1502 [inline]
__ia32_compat_sys_openat+0x16e/0x210 fs/open.c:1502
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f80579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f506455c EFLAGS: 00000296 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000200002c0
RDX: 00000000001c5100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Allocated by task 20058:
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
br_vlan_add+0x113/0xb40 net/bridge/br_vlan.c:786
br_vlan_info+0x35c/0x3d0 net/bridge/br_netlink.c:709
br_process_vlan_info+0x3d8/0x990 net/bridge/br_netlink.c:768
br_afspec+0x575/0x650 net/bridge/br_netlink.c:836
br_setlink+0x373/0x630 net/bridge/br_netlink.c:1135
rtnl_bridge_setlink+0x31e/0x6f0 net/core/rtnetlink.c:5498
rtnetlink_rcv_msg+0x3c7/0xea0 net/core/rtnetlink.c:6920
netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:713 [inline]
__sock_sendmsg net/socket.c:728 [inline]
____sys_sendmsg+0x9ae/0xb40 net/socket.c:2568
___sys_sendmsg+0x135/0x1e0 net/socket.c:2622
__sys_sendmsg+0x16e/0x220 net/socket.c:2654
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
The buggy address belongs to the object at ffff888025e6f000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 312 bytes to the right of
allocated 1048-byte region [ffff888025e6f000, ffff888025e6f418)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x25e68
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801b042f00 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801b042f00 dead000000000100 dead000000000122
head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea0000979a01 ffffffffffffffff 0000000000000000
head: 0000000000000008 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 0xd28c0(GFP_NOWAIT|__GFP_IO|__GFP_FS|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5957, tgid 5957 (syz-executor), ts 44855902519, free_ts 44836953323
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
alloc_pages_mpol+0x1fc/0x540 mm/mempolicy.c:2270
alloc_slab_page mm/slub.c:2423 [inline]
allocate_slab mm/slub.c:2587 [inline]
new_slab+0x23d/0x330 mm/slub.c:2640
___slab_alloc+0xbfa/0x1600 mm/slub.c:3826
__slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3916
__slab_alloc_node mm/slub.c:3991 [inline]
slab_alloc_node mm/slub.c:4152 [inline]
__do_kmalloc_node mm/slub.c:4293 [inline]
__kmalloc_node_track_caller_noprof+0x2ee/0x520 mm/slub.c:4313
kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:609
pskb_expand_head+0x236/0x1170 net/core/skbuff.c:2275
netlink_trim+0x22d/0x310 net/netlink/af_netlink.c:1304
netlink_broadcast_filtered+0xc7/0xef0 net/netlink/af_netlink.c:1510
nlmsg_multicast_filtered include/net/netlink.h:1128 [inline]
nlmsg_multicast include/net/netlink.h:1147 [inline]
nlmsg_notify+0x9e/0x220 net/netlink/af_netlink.c:2586
rtnl_notify net/core/rtnetlink.c:952 [inline]
rtmsg_ifinfo_send net/core/rtnetlink.c:4385 [inline]
rtmsg_ifinfo_event net/core/rtnetlink.c:4401 [inline]
rtmsg_ifinfo_event net/core/rtnetlink.c:4388 [inline]
rtnetlink_event+0x177/0x1f0 net/core/rtnetlink.c:6971
notifier_call_chain+0xb7/0x410 kernel/notifier.c:85
call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2141
page last free pid 5953 tgid 5953 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4115 [inline]
slab_alloc_node mm/slub.c:4164 [inline]
__kmalloc_cache_noprof+0x202/0x420 mm/slub.c:4320
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
kobject_uevent_env+0x265/0x1670 lib/kobject_uevent.c:540
__kobject_del+0x168/0x1f0 lib/kobject.c:601
kobject_cleanup lib/kobject.c:680 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x327/0x5a0 lib/kobject.c:737
netdev_queue_update_kobjects+0x432/0x5b0 net/core/net-sysfs.c:1888
netif_set_real_num_tx_queues+0x168/0x8d0 net/core/dev.c:3089
veth_init_queues+0xe1/0x190 drivers/net/veth.c:1756
veth_newlink+0x462/0x8f0 drivers/net/veth.c:1862
rtnl_newlink_create net/core/rtnetlink.c:3795 [inline]
__rtnl_newlink net/core/rtnetlink.c:3906 [inline]
rtnl_newlink+0xbae/0x1d70 net/core/rtnetlink.c:4021
rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6911
netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2543
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348
Memory state around the buggy address:
ffff888025e6f400: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888025e6f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888025e6f500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888025e6f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888025e6f600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi