device syz_tun entered promiscuous mode BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.3/4137 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 4137 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 c96e15c619282540 ffff8801bd3af678 ffffffff81aad1a1 ffff8801d9eb5f00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801bd3af6b8 ffffffff81b0ad83 ffff88009dcba000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 [] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline] [] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275 [] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539 [] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585 [] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x369/0x890 net/socket.c:1975 [] __sys_sendmmsg+0x130/0x2e0 net/socket.c:2060 [] SYSC_sendmmsg net/socket.c:2090 [inline] [] SyS_sendmmsg+0x35/0x60 net/socket.c:2085 [] entry_SYSCALL_64_fastpath+0x1e/0x9a device syz_tun left promiscuous mode BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.3/4170 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 4170 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 852435c58197d39b ffff8801b567f678 ffffffff81aad1a1 ffff88009b9897c0 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801b567f6b8 ffffffff81b0ad83 ffff88009dcba280 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 [] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline] [] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275 [] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539 [] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585 [] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x369/0x890 net/socket.c:1975 [] __sys_sendmmsg+0x130/0x2e0 net/socket.c:2060 [] SYSC_sendmmsg net/socket.c:2090 [inline] [] SyS_sendmmsg+0x35/0x60 net/socket.c:2085 [] entry_SYSCALL_64_fastpath+0x1e/0x9a device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.3/4208 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 4208 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 c15086ecf3f15059[ 1346.248065] device syz_tun left promiscuous mode ffff8801d351f678 ffffffff81aad1a1 ffff8800b3eb4740 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d351f6b8 ffffffff81b0ad83 ffff8801d346e000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 [] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline] [] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275 [] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539 [] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585 [] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x369/0x890 net/socket.c:1975 [] __sys_sendmmsg+0x130/0x2e0 net/socket.c:2060 [] SYSC_sendmmsg net/socket.c:2090 [inline] [] SyS_sendmmsg+0x35/0x60 net/socket.c:2085 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.3/4244 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 4244 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 25044dd1a0f4523e ffff88009be0f678 ffffffff81aad1a1 ffff8800b89317c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff88009be0f6b8 ffffffff81b0ad83 ffff8801d84a1900 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 [] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline] [] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275 [] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539 [] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585 [] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x369/0x890 net/socket.c:1975 [] __sys_sendmmsg+0x130/0x2e0 net/socket.c:2060 [] SYSC_sendmmsg net/socket.c:2090 [inline] [] SyS_sendmmsg+0x35/0x60 net/socket.c:2085 [] entry_SYSCALL_64_fastpath+0x1e/0x9a device syz_tun entered promiscuous mode device syz_tun left promiscuous mode BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.3/4286 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 4286 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 8002b49ed31e02cd ffff8801b3cef678 ffffffff81aad1a1 ffff88009e3e8000 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801b3cef6b8 ffffffff81b0ad83 ffff8801b3eedb80 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 device syz_tun entered promiscuous mode [] check_preemption_disabled+0x1d3/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 [] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline] [] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275 [] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539 [] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585 [] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] ___sys_sendmsg+0x369/0x890 net/socket.c:1975 [] __sys_sendmmsg+0x130/0x2e0 net/socket.c:2060 [] SYSC_sendmmsg net/socket.c:2090 [inline] [] SyS_sendmmsg+0x35/0x60 net/socket.c:2085 [] entry_SYSCALL_64_fastpath+0x1e/0x9a device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode