BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/2638 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 2638 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 e99f6a32045d6d06 ffff8801d091f930 ffffffff81aacde1 ffff8801d08a2f80 0000000000000000 ffffffff82a860a0 ffffffff8292c040 0000000000000002 ffff8801d091f970 ffffffff81b0a993 ffff8801d08d5204 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/2862 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 2862 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 9d15477bd83cd6df ffff8801cfef7930 ffffffff81aacde1 ffff8801d0d94740 0000000000000000 ffffffff82a860a0 ffffffff8292c040 0000000000000002 ffff8801cfef7970 ffffffff81b0a993 ffff8801d2543ac4 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3059 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 3059 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 f8519a9391efbf90 ffff8801da75f930 ffffffff81aacde1 ffff8801cf540000 0000000000000000 ffffffff82a860a0 ffffffff8292c040 0000000000000002 ffff8801da75f970 ffffffff81b0a993 ffff8800b7a03484 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3397 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 3397 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 c94f0f6f163df6b9 ffff8801d85a7930 ffffffff81aacde1 ffff8800ba774740 0000000000000001 ffffffff82a860a0 ffffffff8292c040 0000000000000001 ffff8801d85a7970 ffffffff81b0a993 ffff8801da4c4704 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/3917 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 3917 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 e68556ae36f79c1c ffff8800b26bf930 ffffffff81aacde1 ffff8801cd1d4740 0000000000000001 ffffffff82a860a0 ffffffff8292c040 0000000000000001 ffff8800b26bf970 ffffffff81b0a993 ffff8801d4c080c4 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4332 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 4332 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 d5ac284df4caada3 ffff8800b4f37930 ffffffff81aacde1 ffff8800b4efc740 0000000000000000 ffffffff82a860a0 ffffffff8292c040 0000000000000002 ffff8800b4f37970 ffffffff81b0a993 ffff8800b4dece84 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4640 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 4640 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 e288c68dfadcfe4a ffff8801d2a7f930 ffffffff81aacde1 ffff8801d0ec4740 0000000000000001 ffffffff82a860a0 ffffffff8292c040 0000000000000001 ffff8801d2a7f970 ffffffff81b0a993 ffff8801d5d1ed44 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/4847 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 4847 Comm: syz-executor0 Not tainted 4.4.172+ #13 0000000000000000 e196ab255ded7952 ffff8800b362f930 ffffffff81aacde1 ffff8800b3594740 0000000000000000 ffffffff82a860a0 ffffffff8292c040 0000000000000002 ffff8800b362f970 ffffffff81b0a993 ffff8801d0861d44 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 [] SYSC_sendto net/socket.c:1678 [inline] [] SyS_sendto+0x201/0x340 net/socket.c:1646 [] entry_SYSCALL_64_fastpath+0x1e/0x9a