BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.4/6239 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 6239 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 5e35df7f704dfb59 ffff8801d23af758 ffffffff81aad1a1 ffff8801d8c3c740 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801d23af798 ffffffff81b0ad83 1ffff1003a475e00 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 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.4/6239 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 6239 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 5e35df7f704dfb59 ffff8801d23af5c0 ffffffff81aad1a1 ffff8801d8c3c740 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801d23af600 ffffffff81b0ad83 ffff8801d6d1dc40 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.4/6239 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 0 PID: 6239 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 5e35df7f704dfb59 ffff8801d23af758 ffffffff81aad1a1 ffff8801d8c3c740 0000000000000000 ffffffff82a861e0 ffffffff8292c040 0000000000000002 ffff8801d23af798 ffffffff81b0ad83 1ffff1003a475e00 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 BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor.4/6290 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 6290 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 4fe97688dd9426e1 ffff8801d4557758 ffffffff81aad1a1 ffff88009b2b97c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d4557798 ffffffff81b0ad83 1ffff1003a8aae00 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.4/6290 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 6290 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 4fe97688dd9426e1 ffff8801d45575c0 ffffffff81aad1a1 ffff88009b2b97c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d4557600 ffffffff81b0ad83 ffff8800b6a23d80 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.4/6290 caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62 CPU: 1 PID: 6290 Comm: syz-executor.4 Not tainted 4.4.174+ #17 0000000000000000 4fe97688dd9426e1 ffff8801d4557758 ffffffff81aad1a1 ffff88009b2b97c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040 0000000000000001 ffff8801d4557798 ffffffff81b0ad83 1ffff1003a8aae00 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 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: unknown main item tag 0x0 hid-generic 0009:0004:FFFFFFFD.0005: hidraw4: HID v0.00 Device [syz0] on sy audit: type=1400 audit(1574145167.660:28): avc: denied { getopt } for pid=6475 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1