github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/guilty/12 (about)

     1  FILE: net/llc/llc_sap.c
     2  
     3  ------------[ cut here ]------------
     4  kernel BUG at ./include/linux/skbuff.h:2389!
     5  invalid opcode: 0000 [#1] SMP KASAN
     6  Dumping ftrace buffer:
     7     (ftrace buffer empty)
     8  Modules linked in:
     9  CPU: 2 PID: 10793 Comm: syz-executor0 Not tainted 4.10.0-rc8+ #201
    10  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    11  task: ffff88006aeb1700 task.stack: ffff880069b08000
    12  RIP: 0010:skb_set_owner_r include/linux/skbuff.h:2389 [inline]
    13  RIP: 0010:__sock_queue_rcv_skb+0x8c0/0xda0 net/core/sock.c:425
    14  RSP: 0018:ffff88006de06b58 EFLAGS: 00010206
    15  RAX: ffff88006aeb1700 RBX: ffff8800581dc170 RCX: 0000000000000000
    16  RDX: 0000000000000100 RSI: 1ffff1000d5fcb7b RDI: ffff88006afe5be0
    17  RBP: ffff88006de06dc0 R08: 0000000000000002 R09: 0000000000000001
    18  R10: 0000000000000000 R11: dffffc0000000000 R12: ffff88006afe5bc0
    19  R13: ffff88006de06d98 R14: ffff8800581dc198 R15: ffff88006afe5c20
    20  FS:  00007f06a3bd9700(0000) GS:ffff88006de00000(0000) knlGS:0000000000000000
    21  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    22  CR2: 0000000020007000 CR3: 000000006a280000 CR4: 00000000000006e0
    23  Call Trace:
    24   <IRQ>
    25   sock_queue_rcv_skb+0x3a/0x50 net/core/sock.c:451
    26  PF_BRIDGE: RTM_DELNEIGH with invalid address
    27   llc_sap_state_process+0x3e3/0x4e0 net/llc/llc_sap.c:220
    28   llc_sap_rcv net/llc/llc_sap.c:294 [inline]
    29   llc_sap_handler+0x695/0x1320 net/llc/llc_sap.c:434
    30   llc_rcv+0x6da/0xed0 net/llc/llc_input.c:208
    31   __netif_receive_skb_core+0x1ae5/0x3400 net/core/dev.c:4190
    32   __netif_receive_skb+0x2a/0x170 net/core/dev.c:4228
    33   process_backlog+0xe5/0x6c0 net/core/dev.c:4839
    34   napi_poll net/core/dev.c:5202 [inline]
    35   net_rx_action+0xe70/0x1900 net/core/dev.c:5267
    36   __do_softirq+0x2fb/0xb7d kernel/softirq.c:284
    37   do_softirq_own_stack+0x1c/0x30 arch/x86/entry/entry_64.S:902
    38   </IRQ>
    39   do_softirq.part.17+0x1e8/0x230 kernel/softirq.c:328
    40   do_softirq kernel/softirq.c:176 [inline]
    41   __local_bh_enable_ip+0x1f2/0x200 kernel/softirq.c:181
    42   local_bh_enable include/linux/bottom_half.h:31 [inline]
    43   rcu_read_unlock_bh include/linux/rcupdate.h:971 [inline]
    44   __dev_queue_xmit+0xd87/0x2860 net/core/dev.c:3399
    45   dev_queue_xmit+0x17/0x20 net/core/dev.c:3405
    46   llc_build_and_send_ui_pkt+0x240/0x330 net/llc/llc_output.c:74
    47   llc_ui_sendmsg+0x98d/0x1430 net/llc/af_llc.c:928
    48   sock_sendmsg_nosec net/socket.c:635 [inline]
    49   sock_sendmsg+0xca/0x110 net/socket.c:645
    50   ___sys_sendmsg+0x9d2/0xae0 net/socket.c:1985
    51   __sys_sendmsg+0x138/0x320 net/socket.c:2019
    52   SYSC_sendmsg net/socket.c:2030 [inline]
    53   SyS_sendmsg+0x2d/0x50 net/socket.c:2026
    54   entry_SYSCALL_64_fastpath+0x1f/0xc2