BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5834 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5834 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 a07ed37caa99a5e3 ffff8800b54a77b0 ffffffff81aad1a1 ffff8800b9ebdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8800b54a77f0 ffffffff81b0ad83 ffffffff00000000 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 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5834 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5834 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 a07ed37caa99a5e3 ffff8800b54a7618 ffffffff81aad1a1 ffff8800b9ebdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8800b54a7658 ffffffff81b0ad83 ffff8800b8360a40 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 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5834 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5834 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 a07ed37caa99a5e3 ffff8800b54a7618 ffffffff81aad1a1 ffff8800b9ebdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8800b54a7658 ffffffff81b0ad83 ffff8800b8360a40 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 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5861 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5861 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 68ec1fe561a44acb ffff8801cf0af758 ffffffff81aad1a1 ffff8801cf2ddf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801cf0af798 ffffffff81b0ad83 1ffff10039e15e00 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 [] ___sys_sendmsg+0x769/0x890 net/socket.c:1975 [] __sys_sendmsg+0xc5/0x160 net/socket.c:2009 [] C_SYSC_sendmsg net/compat.c:725 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:723 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5861 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5861 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 68ec1fe561a44acb ffff8801cf0af5c0 ffffffff81aad1a1 ffff8801cf2ddf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801cf0af600 ffffffff81b0ad83 ffff8800b8360a40 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 [] ___sys_sendmsg+0x769/0x890 net/socket.c:1975 [] __sys_sendmsg+0xc5/0x160 net/socket.c:2009 [] C_SYSC_sendmsg net/compat.c:725 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:723 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.0/5861 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 5861 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 68ec1fe561a44acb ffff8801cf0af758 ffffffff81aad1a1 ffff8801cf2ddf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801cf0af798 ffffffff81b0ad83 1ffff10039e15e00 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 [] ___sys_sendmsg+0x769/0x890 net/socket.c:1975 [] __sys_sendmsg+0xc5/0x160 net/socket.c:2009 [] C_SYSC_sendmsg net/compat.c:725 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:723 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=115 sclass=netlink_route_socket audit: type=1401 audit(1574557751.370:23): op=setxattr invalid_context=7320D71D52E0797374656D5F753A6F626A6563745F723A63726F6E5F73706F6F6C5F743A73300007F1C95FEC82C91DDE0DE502A21F64B7797E8108B79F60949B40DF46F4EB5BF64EEDFBD04E61C78759D22D05FB0FB9CF016D4DD807D28F126AC43BA75A87D17D1BF9BA0463EDF2ABDEBC191A3EA967979075715713647ABD1D0BFF8C7DFD2AC3F8E6D8724612B7A743E353E295BF7CC0E0885BF7A48E7B input: syz1 as /devices/virtual/input/input14 audit: type=1401 audit(1574557752.130:24): op=setxattr invalid_context=7320D71D52E0797374656D5F753A6F626A6563745F723A63726F6E5F73706F6F6C5F743A73300007F1C95FEC82C91DDE0DE502A21F64B7797E8108B79F60949B40DF46F4EB5BF64EEDFBD04E61C78759D22D05FB0FB9CF016D4DD807D28F126AC43BA75A87D17D1BF9BA0463EDF2ABDEBC191A3EA967979075715713647ABD1D0BFF8C7DFD2AC3F8E6D8724612B7A743E353E295BF7CC0E0885BF7A48E7B