BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/3753 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 3753 Comm: syz-executor6 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 2ed84a8b1d06d5da ffff8801cf9ff6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8801cf9ff6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8800b8a94f90 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 netlink: 14 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor3/3953 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 3953 Comm: syz-executor3 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 fc5a4ca38aba05f0 ffff8801cf9f76b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf9f76f8 ffffffff81d28d58 ffffffff83d093a0 ffff8800b8a959f0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor3/4001 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4001 Comm: syz-executor3 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 4acd79aa32cd8e3a ffff8801cf98f6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf98f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801cf836eb0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/4005 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4005 Comm: syz-executor0 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 fd8388215c05d39e ffff8801cfb0f6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8801cfb0f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801da766eb0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/4008 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4008 Comm: syz-executor0 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 4fb117a5e767a354 ffff8801cf81f6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8801cf81f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8800b8a96450 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 audit: type=1400 audit(1513083775.507:5): avc: denied { create } for pid=4064 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_scsitransport_socket permissive=1 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/4133 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4133 Comm: syz-executor6 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 5496f66958c8f340 ffff8801cfabf6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cfabf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d150ca60 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/4133 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4133 Comm: syz-executor6 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 5496f66958c8f340 ffff8801cfabf6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8801cfabf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d150cf90 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor3/4173 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4173 Comm: syz-executor3 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 77d43542af2fd583 ffff8801d0baf6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801d0baf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d150c530 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 nla_parse: 8 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=151 sclass=netlink_tcpdiag_socket SELinux: unrecognized netlink message: protocol=4 nlmsg_type=151 sclass=netlink_tcpdiag_socket check_preemption_disabled: 13 callbacks suppressed BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/4558 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4558 Comm: syz-executor6 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 d38be4cd284b63db ffff8800b62776b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8800b62776f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d150eeb0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/4584 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4584 Comm: syz-executor4 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 de35fac9ac6fed67 ffff8800b63bf6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8800b63bf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8800b8a94a60 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/4585 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4585 Comm: syz-executor6 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 899a86a092bc3f85 ffff8801cfa8f6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cfa8f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801da7733e0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/4584 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4584 Comm: syz-executor4 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. 0000000000000000 de35fac9ac6fed67 ffff8800b63bf6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8800b63bf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801cf9ae450 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 netlink: 14 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor4'. BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/4831 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4831 Comm: syz-executor5 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 6edda75167e575b1 ffff8801cf9ff6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf9ff6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8800b8bb59f0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/4831 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 4831 Comm: syz-executor5 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 6edda75167e575b1 ffff8801cf9ff6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf9ff6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d1564000 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 IPVS: Creating netns size=2552 id=9 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor1/4905 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4905 Comm: syz-executor1 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 63ff753759a0c94d ffff8800b8abf6b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8800b8abf6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d15af3e0 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor1/4926 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 4926 Comm: syz-executor1 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 46f0530c9d55edc5 ffff8801cfb376b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8801cfb376f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d15aca60 dffffc0000000000 ffffffff83cff4e0 Call Trace: [] __dump_stack /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:15 [inline] [] dump_stack+0x8e/0xcf /syzkaller/managers/android-44-kasan-gce/kernel/lib/dump_stack.c:51 [] check_preemption_disabled+0x1b8/0x1f0 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x168/0x8e0 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0x9e/0x840 /syzkaller/managers/android-44-kasan-gce/kernel/net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x354/0xa40 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0xe/0x10 /syzkaller/managers/android-44-kasan-gce/kernel/net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1281 [inline] [] pfkey_add+0x1e18/0x3d80 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:1498 [] pfkey_process+0x58d/0x900 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:2826 [] pfkey_sendmsg+0x35b/0x6c0 /syzkaller/managers/android-44-kasan-gce/kernel/net/key/af_key.c:3670 [] sock_sendmsg_nosec /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:625 [inline] [] sock_sendmsg+0xb5/0xf0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:635 [] ___sys_sendmsg+0x66d/0x7d0 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1961 [] __sys_sendmsg+0xc3/0x160 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:1995 [] SYSC_sendmsg /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2006 [inline] [] SyS_sendmsg+0xd/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/net/socket.c:2002 [] entry_SYSCALL_64_fastpath+0x16/0x76 netlink: 14 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 14 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'.