BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7278 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 7278 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 466d89d762422714 ffff8800a30af828 ffffffff81aad1a1 ffff8800b4d3c740 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8800a30af868 ffffffff81b0ad83 1ffff10014615f00 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_prune_queue net/ipv4/tcp_input.c:4978 [inline] [] tcp_try_rmem_schedule+0x1a1/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7278 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 7278 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 466d89d762422714 ffff8800a30af690 ffffffff81aad1a1 ffff8800b4d3c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8800a30af6d0 ffffffff81b0ad83 ffff8801d5c06680 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_collapse_one+0x119/0x1e0 net/ipv4/tcp_input.c:4736 [] tcp_collapse+0x84f/0xda0 net/ipv4/tcp_input.c:4849 [] tcp_prune_queue net/ipv4/tcp_input.c:4990 [inline] [] tcp_try_rmem_schedule+0x6ba/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7278 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 7278 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 466d89d762422714 ffff8800a30af690 ffffffff81aad1a1 ffff8800b4d3c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8800a30af6d0 ffffffff81b0ad83 ffff8801d5c06680 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_collapse_one+0x119/0x1e0 net/ipv4/tcp_input.c:4736 [] tcp_collapse+0x84f/0xda0 net/ipv4/tcp_input.c:4849 [] tcp_prune_queue net/ipv4/tcp_input.c:4990 [inline] [] tcp_try_rmem_schedule+0x6ba/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7314 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 7314 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 a877463b29de2ebf ffff8801d9de7828 ffffffff81aad1a1 ffff8801d03197c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d9de7868 ffffffff81b0ad83 1ffff1003b3bcf00 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_prune_queue net/ipv4/tcp_input.c:4978 [inline] [] tcp_try_rmem_schedule+0x1a1/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7314 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 7314 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 a877463b29de2ebf ffff8801d9de7690 ffffffff81aad1a1 ffff8801d03197c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d9de76d0 ffffffff81b0ad83 ffff8801d5c06680 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_collapse_one+0x119/0x1e0 net/ipv4/tcp_input.c:4736 [] tcp_collapse+0x84f/0xda0 net/ipv4/tcp_input.c:4849 [] tcp_prune_queue net/ipv4/tcp_input.c:4990 [inline] [] tcp_try_rmem_schedule+0x6ba/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.5/7314 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 7314 Comm: syz-executor.5 Not tainted 4.4.174+ #4 0000000000000000 a877463b29de2ebf ffff8801d9de7828 ffffffff81aad1a1 ffff8801d03197c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d9de7868 ffffffff81b0ad83 1ffff1003b3bcf00 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_prune_queue net/ipv4/tcp_input.c:5011 [inline] [] tcp_try_rmem_schedule+0xf35/0x1280 net/ipv4/tcp_input.c:4386 [] tcp_send_rcvq+0x1d7/0x4a0 net/ipv4/tcp_input.c:4574 [] 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 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. device eql entered promiscuous mode device eql left promiscuous mode device eql entered promiscuous mode device eql left promiscuous mode