aoe: packet could not be sent on bond1. consider increasing tx_queue_len
bridge2600 selects TX queue 0, but real number of TX queues is 0
==================================================================
BUG: KASAN: use-after-free in __dev_queue_xmit+0x66c/0x2a6c net/core/dev.c:4206
Read of size 8 at addr ffff000110ca1c08 by task aoe_tx0/2048
CPU: 1 PID: 2048 Comm: aoe_tx0 Not tainted 5.15.144-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call trace:
dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0x174/0x1e4 mm/kasan/report.c:451
__asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
__dev_queue_xmit+0x66c/0x2a6c net/core/dev.c:4206
dev_queue_xmit+0x24/0x34 net/core/dev.c:4278
tx+0x8c/0x130 drivers/block/aoe/aoenet.c:63
kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1230
kthread+0x37c/0x45c kernel/kthread.c:319
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Allocated by task 10747:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc+0xbc/0xfc mm/kasan/common.c:513
__kasan_kmalloc+0x10/0x1c mm/kasan/common.c:522
kasan_kmalloc include/linux/kasan.h:264 [inline]
__kmalloc_node+0x2c0/0x5b8 mm/slub.c:4455
kmalloc_node include/linux/slab.h:614 [inline]
kvmalloc_node+0x88/0x204 mm/util.c:619
kvmalloc include/linux/mm.h:805 [inline]
kvzalloc include/linux/mm.h:813 [inline]
netif_alloc_netdev_queues net/core/dev.c:10206 [inline]
alloc_netdev_mqs+0x4b8/0x9d4 net/core/dev.c:10892
rtnl_create_link+0x2cc/0x8b4 net/core/rtnetlink.c:3206
__rtnl_newlink net/core/rtnetlink.c:3491 [inline]
rtnl_newlink+0xffc/0x1af4 net/core/rtnetlink.c:3549
rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5630
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2505
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5648
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356
netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x584/0x870 net/socket.c:2429
___sys_sendmsg+0x214/0x294 net/socket.c:2483
__sys_sendmsg net/socket.c:2512 [inline]
__do_sys_sendmsg net/socket.c:2521 [inline]
__se_sys_sendmsg net/socket.c:2519 [inline]
__arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2519
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Freed by task 10747:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
__kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1705 [inline]
slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
slab_free mm/slub.c:3499 [inline]
kfree+0x178/0x410 mm/slub.c:4559
kvfree+0x40/0x50 mm/util.c:654
netif_free_tx_queues net/core/dev.c:10194 [inline]
free_netdev+0xa4/0x3e8 net/core/dev.c:10949
netdev_run_todo+0x900/0xae0 net/core/dev.c:10646
rtnl_unlock net/core/rtnetlink.c:112 [inline]
rtnetlink_rcv_msg+0xa7c/0xdac net/core/rtnetlink.c:5631
netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2505
rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5648
netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356
netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1924
sock_sendmsg_nosec net/socket.c:704 [inline]
__sock_sendmsg net/socket.c:716 [inline]
____sys_sendmsg+0x584/0x870 net/socket.c:2429
___sys_sendmsg+0x214/0x294 net/socket.c:2483
__sys_sendmsg net/socket.c:2512 [inline]
__do_sys_sendmsg net/socket.c:2521 [inline]
__se_sys_sendmsg net/socket.c:2519 [inline]
__arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2519
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
The buggy address belongs to the object at ffff000110ca1c00
which belongs to the cache kmalloc-cg-512 of size 512
The buggy address is located 8 bytes inside of
512-byte region [ffff000110ca1c00, ffff000110ca1e00)
The buggy address belongs to the page:
page:0000000093057602 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x150ca0
head:0000000093057602 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 0000000100000001 ffff0000c0003080
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff000110ca1b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff000110ca1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff000110ca1c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff000110ca1c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff000110ca1d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Unable to handle kernel paging request at virtual address f1bb80500000053f
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
[f1bb80500000053f] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 2048 Comm: aoe_tx0 Tainted: G B 5.15.144-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __dev_queue_xmit+0x74c/0x2a6c net/core/dev.c:4209
lr : trace_net_dev_queue include/trace/events/net.h:143 [inline]
lr : __dev_queue_xmit+0x740/0x2a6c net/core/dev.c:4208
sp : ffff800022617a60
x29: ffff800022617c30 x28: dfff800000000000 x27: 8de00280000029fb
x26: ffff000148421800 x25: 0000000000000000 x24: ffff000110ca1c00
x23: ffff800022617b20 x22: ffff0001482dbbc5 x21: ffff80001490d310
x20: ffff0001482dbb40 x19: 0000000000000002 x18: 0000000000000202
x17: 0000000000000000 x16: ffff800011977b6c x15: 00000000ffffffff
x14: ffff0000ce909b40 x13: 0000000000000001 x12: ffff700002de2764
x11: 0000000000000200 x10: 0000000000000000 x9 : ffff0000ce909b40
x8 : 11bc00500000053f x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff8000226170f8 x4 : 0000000000000000 x3 : ffff80000819b844
x2 : 0000000000000001 x1 : ffff800011f71400 x0 : 0000000000000001
Call trace:
__dev_queue_xmit+0x74c/0x2a6c net/core/dev.c:4209
dev_queue_xmit+0x24/0x34 net/core/dev.c:4278
tx+0x8c/0x130 drivers/block/aoe/aoenet.c:63
kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1230
kthread+0x37c/0x45c kernel/kthread.c:319
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: 961c5f1c 14000002 961c5f1a d343ff68 (387c6908)
---[ end trace 25fa8628af1b8c2f ]---
----------------
Code disassembly (best guess):
0: 961c5f1c bl 0xfffffffff8717c70
4: 14000002 b 0xc
8: 961c5f1a bl 0xfffffffff8717c70
c: d343ff68 lsr x8, x27, #3
* 10: 387c6908 ldrb w8, [x8, x28] <-- trapping instruction