BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/18697 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 0 PID: 18697 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 35575bc0b7a18a33 ffff8800b89b76b8 ffffffff81cc9b4f 0000000000000000 ffffffff839fd4a0 ffff8800b89b76f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d2efc000 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket binder: 18841:18842 DecRefs 0 refcount change on invalid ref 1 ret -22 binder_alloc: binder_alloc_mmap_handler: 18841 20000000-20002000 already mapped failed -16 binder: 18841:18856 DecRefs 0 refcount change on invalid ref 1 ret -22 netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. binder: 19284:19294 transaction failed 29189/-22, size 72-24 line 3008 audit: type=1400 audit(1513080574.282:22): avc: denied { getopt } for pid=19288 comm="syz-executor4" 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 binder_alloc: binder_alloc_mmap_handler: 19284 20000000-20002000 already mapped failed -16 netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. binder: 19284:19294 transaction failed 29189/-22, size 72-24 line 3008 netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/19735 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 19735 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 f9ce498aa5f3c37b ffff8801cf70f6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf70f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d2e68000 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket [] 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-executor6/19850 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 19850 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 428b73fcdd3d13f2 ffff8800b808f6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8800b808f6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d2efeeb0 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket binder: 19929:19930 transaction failed 29189/-22, size 72-24 line 3008 binder: 19927:19928 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 19929 20000000-20002000 already mapped failed -16 binder: 19929:19930 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 19927 20000000-20002000 already mapped failed -16 binder: 19927:19928 transaction failed 29189/-22, size 72-24 line 3008 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/20023 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 20023 Comm: syz-executor2 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 b1b3ea4963bbaa39 ffff8801cf7af6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf7af6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801d2efcf90 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-executor2/20023 caller is __this_cpu_preempt_check+0x13/0x20 /syzkaller/managers/android-44-kasan-gce/kernel/lib/smp_processor_id.c:62 CPU: 1 PID: 20023 Comm: syz-executor2 Not tainted 4.4.105-g36205b7 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 b1b3ea4963bbaa39 ffff8801cf7af6b8 ffffffff81cc9b4f 0000000000000001 ffffffff839fd4a0 ffff8801cf7af6f8 ffffffff81d28d58 ffffffff83d093a0 ffff8801da767910 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket binder: 20289:20290 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 20289 20000000-20002000 already mapped failed -16 binder: 20289:20300 transaction failed 29189/-22, size 72-24 line 3008 IPVS: Creating netns size=2552 id=10 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket nla_parse: 9 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. binder: 20451:20452 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 20451 20000000-20002000 already mapped failed -16 netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. binder: 20451:20467 transaction failed 29189/-22, size 72-24 line 3008 binder: 20512:20518 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 20512 20000000-20002000 already mapped failed -16 binder: 20512:20541 transaction failed 29189/-22, size 72-24 line 3008 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=94 sclass=netlink_route_socket binder: 20754:20755 transaction failed 29189/-22, size 72-24 line 3008 binder_alloc: binder_alloc_mmap_handler: 20754 20000000-20002000 already mapped failed -16 binder: 20754:20779 transaction failed 29189/-22, size 72-24 line 3008