device syzkaller0 entered promiscuous mode ================================================================== BUG: KASAN: slab-out-of-bounds in ieee80211_monitor_select_queue+0x210/0x214 net/mac80211/iface.c:909 Read of size 2 at addr ffff0000f18d6dfb by task syz.4.1112/7930 CPU: 1 PID: 7930 Comm: syz.4.1112 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 Call trace: dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106 print_address_description+0x88/0x218 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:420 kasan_report+0xa8/0xfc mm/kasan/report.c:524 __asan_report_load2_noabort+0x2c/0x38 mm/kasan/report_generic.c:349 ieee80211_monitor_select_queue+0x210/0x214 net/mac80211/iface.c:909 netdev_core_pick_tx+0x130/0x320 net/core/dev.c:4245 __dev_queue_xmit+0x730/0x3154 net/core/dev.c:4331 dev_queue_xmit+0x24/0x34 include/linux/netdevice.h:3051 packet_snd net/packet/af_packet.c:3133 [inline] packet_sendmsg+0x3034/0x40ac net/packet/af_packet.c:3164 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Allocated by task 6254: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:53 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:375 [inline] __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:384 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x7c/0x94 mm/slab_common.c:1031 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] tlb_initialize drivers/net/bonding/bond_alb.c:132 [inline] bond_alb_initialize+0x68/0x34c drivers/net/bonding/bond_alb.c:1311 bond_open+0x824/0xd08 drivers/net/bonding/bond_main.c:4331 __dev_open+0x304/0x4dc net/core/dev.c:1501 __dev_change_flags+0x1a8/0x560 net/core/dev.c:8676 rtnl_configure_link net/core/rtnetlink.c:3248 [inline] rtnl_newlink_create net/core/rtnetlink.c:3436 [inline] __rtnl_newlink net/core/rtnetlink.c:3648 [inline] rtnl_newlink+0x14f0/0x1af0 net/core/rtnetlink.c:3661 rtnetlink_rcv_msg+0x694/0xcc4 net/core/rtnetlink.c:6158 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Freed by task 7800: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:53 kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:516 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:237 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:245 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1729 [inline] slab_free_freelist_hook+0x16c/0x1e8 mm/slub.c:1755 slab_free mm/slub.c:3687 [inline] __kmem_cache_free+0xbc/0x21c mm/slub.c:3700 kfree+0xd0/0x1a8 mm/slab_common.c:988 tlb_deinitialize drivers/net/bonding/bond_alb.c:155 [inline] bond_alb_deinitialize+0x4c/0x140 drivers/net/bonding/bond_alb.c:1333 bond_close+0x130/0x67c drivers/net/bonding/bond_main.c:4377 __dev_close_many+0x2ac/0x3a0 net/core/dev.c:1585 __dev_close net/core/dev.c:1597 [inline] __dev_change_flags+0x25c/0x560 net/core/dev.c:8674 dev_change_flags+0x80/0x15c net/core/dev.c:8748 do_setlink+0x9d0/0x2158 net/core/rtnetlink.c:2837 rtnl_group_changelink net/core/rtnetlink.c:3367 [inline] __rtnl_newlink net/core/rtnetlink.c:3624 [inline] rtnl_newlink+0xd58/0x1af0 net/core/rtnetlink.c:3661 rtnetlink_rcv_msg+0x694/0xcc4 net/core/rtnetlink.c:6158 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6176 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x588/0x90c net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x288/0x374 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the object at ffff0000f18d4000 which belongs to the cache kmalloc-8k of size 8192 The buggy address is located 3579 bytes to the right of 8192-byte region [ffff0000f18d4000, ffff0000f18d6000) The buggy address belongs to the physical page: page:0000000020ab2b94 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1318d0 head:0000000020ab2b94 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc000370b400 dead000000000006 ffff0000c0002c00 raw: 0000000000000000 0000000080020002 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000f18d6c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000f18d6d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000f18d6d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000f18d6e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000f18d6e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================