[] entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/4942 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 4942 Comm: syz-executor6 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d60776d8 ffffffff81d90889 0000000000000000 ffffffff83c17800 ffffffff83f42ec0 ffff8801a4b00000 0000000000000003 ffff8801d6077718 ffffffff81df7854 ffff8801d6077730 ffffffff83f42ec0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1281 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1498 [] pfkey_process+0x61e/0x730 net/key/af_key.c:2826 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3670 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1968 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2002 [] SYSC_sendmsg net/socket.c:2013 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2009 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 4948 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a4867940 ffffffff81d90889 ffff8801a4867c20 0000000000000000 ffff8801c6243490 ffff8801a4867b10 ffff8801c6243380 ffff8801a4867b38 ffffffff8165e497 0000000000003af1 ffff8801a492a0f0 ffff8801a492a0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 4943 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a4aef980 ffffffff81d90889 ffff8801a4aefc60 0000000000000000 ffff8801c6243490 ffff8801a4aefb50 ffff8801c6243380 ffff8801a4aefb78 ffffffff8165e497 0000000000003af1 ffff8801a4b020f0 ffff8801a4b020a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 1 PID: 4885 Comm: syz-executor1 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d075f9a0 ffffffff81d90889 ffff8801d075fc80 0000000000000000 ffff8801c6243310 ffff8801d075fb70 ffff8801c6243200 ffff8801d075fb98 ffffffff8165e497 0000000000003af1 ffff8801cf63b8f0 ffff8801cf63b8a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 4973:4981 ERROR: BC_REGISTER_LOOPER called without request tmpfs: No value for mount option '‹' binder: 4973:4981 ioctl c0306201 20008fd0 returned -11 binder: 4973:4981 BC_DEAD_BINDER_DONE 0000000000000000 not found tmpfs: No value for mount option '‹' nla_parse: 4 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. binder: 4973:4981 got reply transaction with no transaction stack binder: 4973:4981 transaction failed 29201/-71, size 48-16 line 2923 binder: BINDER_SET_CONTEXT_MGR already set binder: 4973:4981 ioctl 40046207 0 returned -16 binder: 4973:4981 ERROR: BC_REGISTER_LOOPER called without request binder: 4973:4981 ioctl c0306201 20008fd0 returned -11 binder: 4973:4981 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 4973:4981 got reply transaction with no transaction stack binder: 4973:4981 transaction failed 29201/-71, size 48-16 line 2923 audit: type=1400 audit(1513075422.513:34): avc: denied { read } for pid=5014 comm="syz-executor6" 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 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. audit: type=1400 audit(1513075422.613:35): avc: denied { setattr } for pid=5040 comm="syz-executor4" name="8" dev="proc" ino=15013 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=file permissive=1 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5140 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9ba7480 ffffffff81d90889 ffff8801d9ba7760 0000000000000000 ffff8801c4673a90 ffff8801d9ba7650 ffff8801c4673980 ffff8801d9ba7678 ffffffff8165e497 0000000000003bcb ffff8801cfbf3918 ffff8801cfbf38a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] do_ip_setsockopt.isra.12+0x1977/0x2960 net/ipv4/ip_sockglue.c:1151 [] ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1240 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. CPU: 1 PID: 5147 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf7278b0 ffffffff81d90889 ffff8801cf727b90 0000000000000000 ffff8801c4673a90 ffff8801cf727a80 ffff8801c4673980 ffff8801cf727aa8 ffffffff8165e497 0000000000003af1 ffff8801c199e8f0 ffff8801c199e8a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. device lo entered promiscuous mode device lo left promiscuous mode capability: warning: `syz-executor3' uses deprecated v2 capabilities in a way that may be insecure IPVS: length: 24 != 888 device lo entered promiscuous mode device gre0 entered promiscuous mode device lo left promiscuous mode IPVS: length: 24 != 888 IPVS: length: 24 != 888 IPVS: length: 24 != 888 netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. binder: 5552:5558 ERROR: BC_REGISTER_LOOPER called without request binder: 5552:5558 IncRefs 0 refcount change on invalid ref 131 ret -22 binder: 5552:5558 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 5552:5558 unknown command 0 binder: 5552:5558 ioctl c0306201 20000000 returned -22 device gre0 entered promiscuous mode binder: 5552:5558 ERROR: BC_REGISTER_LOOPER called without request binder: 5552:5558 IncRefs 0 refcount change on invalid ref 131 ret -22 binder: 5552:5558 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 5552:5558 unknown command 0 binder: 5552:5558 ioctl c0306201 20000000 returned -22 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode sock: process `syz-executor3' is using obsolete getsockopt SO_BSDCOMPAT binder: 5940:5941 unknown command 0 binder: 5940:5941 ioctl c0306201 2000a000 returned -22 binder: 5940:5941 BC_FREE_BUFFER u0000000000000000 no match binder: 5940:5941 ERROR: BC_REGISTER_LOOPER called without request binder: BINDER_SET_CONTEXT_MGR already set binder: 5940:5960 ioctl 40046207 0 returned -16 binder: 5940:5941 unknown command 0 binder: 5940:5941 ioctl c0306201 2000a000 returned -22 binder_alloc: 5940: binder_alloc_buf, no vma binder: 5940:5967 transaction failed 29189/-3, size 24-8 line 3130 handle_userfault: 15 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5972 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a4adf850 ffffffff81d90889 ffff8801a4adfb30 0000000000000000 ffff8801c1c7ae90 ffff8801a4adfa20 ffff8801c1c7ad80 ffff8801a4adfa48 ffffffff8165e497 0000000000003af1 ffff8801cec038f0 ffff8801cec038a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] do_fcntl fs/fcntl.c:284 [inline] [] SYSC_fcntl fs/fcntl.c:372 [inline] [] SyS_fcntl+0x81c/0xc70 fs/fcntl.c:357 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5957 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c88d78e0 ffffffff81d90889 ffff8801c88d7bc0 0000000000000000 ffff8801c1c7ae90 ffff8801c88d7ab0 ffff8801c1c7ad80 ffff8801c88d7ad8 ffffffff8165e497 0000000000003af1 ffff8801ca49d0f0 ffff8801ca49d0a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SyS_rt_tgsigqueueinfo+0x2c/0x40 kernel/signal.c:3008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder_alloc: binder_alloc_mmap_handler: 5994 2055a000-2055c000 already mapped failed -16 binder: 5994:5995 ioctl c0306201 20004fd0 returned -14 binder_alloc: binder_alloc_mmap_handler: 5994 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 5994 20d07000-20d0a000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 5994 20000000-20004000 already mapped failed -16 binder: 5994:5995 ioctl c0306201 20004fd0 returned -14 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 5984 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c9087850 ffffffff81d90889 ffff8801c9087b30 0000000000000000 ffff8801c1c7b010 ffff8801c9087a20 ffff8801c1c7af00 ffff8801c9087a48 ffffffff8165e497 0000000000003af1 ffff8801a76b50f0 ffff8801a76b50a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] do_fcntl fs/fcntl.c:284 [inline] [] SYSC_fcntl fs/fcntl.c:372 [inline] [] SyS_fcntl+0x81c/0xc70 fs/fcntl.c:357 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 5972 Comm: syz-executor0 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a4adf8e0 ffffffff81d90889 ffff8801a4adfbc0 0000000000000000 ffff8801c1c7b010 ffff8801a4adfab0 ffff8801c1c7af00 ffff8801a4adfad8 ffffffff8165e497 0000000000003af1 ffff8801cec038f0 ffff8801cec038a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SyS_rt_tgsigqueueinfo+0x2c/0x40 kernel/signal.c:3008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: undelivered transaction 16, process died. FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6053 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ce5579a0 ffffffff81d90889 ffff8801ce557c80 0000000000000000 ffff8801c1c7b190 ffff8801ce557b70 ffff8801c1c7b080 ffff8801ce557b98 ffffffff8165e497 0000000000003af1 ffff8801ce5c38f0 ffff8801ce5c38a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6053 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ce557870 ffffffff81d90889 ffff8801ce557b50 0000000000000000 ffff8801a5066710 ffff8801ce557a40 ffff8801a5066600 ffff8801ce557a68 ffffffff8165e497 0000000000003af1 ffff8801ce5c38f0 ffff8801ce5c38a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_mq_timedsend ipc/mqueue.c:973 [inline] [] SyS_mq_timedsend+0xe6/0xa80 ipc/mqueue.c:956 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6053 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ce557840 ffffffff81d90889 ffff8801ce557b20 0000000000000000 ffff8801a5066710 ffff8801ce557a10 ffff8801a5066600 ffff8801ce557a38 ffffffff8165e497 0000000000003af1 ffff8801ce5c38f0 ffff8801ce5c38a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] copy_from_user arch/x86/include/asm/uaccess.h:702 [inline] [] prepare_timeout+0x45/0x140 ipc/mqueue.c:669 [] SYSC_mq_timedsend ipc/mqueue.c:973 [inline] [] SyS_mq_timedsend+0xe6/0xa80 ipc/mqueue.c:956 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 0 PID: 6036 Comm: syz-executor3 Not tainted 4.9.68-gfb66dc2 #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d98d79a0 ffffffff81d90889 ffff8801d98d7c80 0000000000000000 ffff8801a5066710 ffff8801d98d7b70 ffff8801a5066600 ffff8801d98d7b98 ffffffff8165e497 0000000000003af1 ffff8801c95068f0 ffff8801c95068a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1406 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1469 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 6112:6119 ioctl 40286608 5 returned -22 binder: 6112:6131 ioctl 40046205 3 returned -22 device gre0 entered promiscuous mode device gre0 left promiscuous mode binder: 6112:6119 ioctl 40046205 3 returned -22 binder: 6112:6119 ERROR: BC_REGISTER_LOOPER called without request binder: 6112:6119 ioctl c0306201 204edfd0 returned -11 binder: 6112:6119 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 6112:6119 got reply transaction with no transaction stack binder: 6112:6119 transaction failed 29201/-71, size 32-8 line 2923 blk_update_request: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write blk_update_request: I/O error, dev loop4, sector 8 Buffer I/O error on dev loop4, logical block 1, lost async page write blk_update_request: I/O error, dev loop4, sector 16 Buffer I/O error on dev loop4, logical block 2, lost async page write blk_update_request: I/O error, dev loop4, sector 24 Buffer I/O error on dev loop4, logical block 3, lost async page write blk_update_request: I/O error, dev loop4, sector 32 Buffer I/O error on dev loop4, logical block 4, lost async page write blk_update_request: I/O error, dev loop4, sector 40 Buffer I/O error on dev loop4, logical block 5, lost async page write blk_update_request: I/O error, dev loop4, sector 48 Buffer I/O error on dev loop4, logical block 6, lost async page write blk_update_request: I/O error, dev loop4, sector 56 Buffer I/O error on dev loop4, logical block 7, lost async page write blk_update_request: I/O error, dev loop4, sector 64 Buffer I/O error on dev loop4, logical block 8, lost async page write blk_update_request: I/O error, dev loop4, sector 72 Buffer I/O error on dev loop4, logical block 9, lost async page write binder: 6112:6119 ioctl c0306201 2000dfd0 returned -11 binder: 6112:6119 ioctl 40046205 1000 returned -22 binder: 6112:6119 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 6112:6119 BC_INCREFS_DONE node 19 has no pending increfs request binder: 6112:6119 ioctl c0306201 2000efd0 returned -11 binder: 6112:6119 ioctl 40286608 5 returned -22 binder: 6112:6149 ioctl 40046205 3 returned -22 binder: 6112:6149 ioctl 40046205 3 returned -22 binder: 6112:6119 ERROR: BC_REGISTER_LOOPER called without request binder: 6112:6119 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 6112:6149 got reply transaction with no transaction stack binder: 6112:6149 transaction failed 29201/-71, size 32-8 line 2923 binder: 6112:6119 ioctl c0306201 2000dfd0 returned -11 binder: 6112:6149 ioctl 40046205 1000 returned -22 device gre0 entered promiscuous mode tc_dump_action: action bad kind device gre0 left promiscuous mode tc_dump_action: action bad kind binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 audit: type=1400 audit(1513075428.803:37): avc: denied { create } for pid=6240 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_rdma_socket permissive=1 audit: type=1400 audit(1513075429.123:38): avc: denied { create } for pid=6369 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 sd 0:0:1:0: [sg0] tag#724 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#724 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#724 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#724 CDB[10]: 00 00 00 00 10 27 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#724 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#724 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=6456 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=6465 comm=syz-executor1 nla_parse: 18 callbacks suppressed netlink: 21 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 21 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. binder: 6685:6686 ERROR: BC_REGISTER_LOOPER called without request binder: 6685:6686 ioctl c0306201 20008fd0 returned -11 binder_alloc: binder_alloc_mmap_handler: 6685 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6685:6686 ioctl 40046207 0 returned -16 binder: 6685:6732 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 6685: binder_alloc_buf, no vma binder: 6685:6729 transaction failed 29189/-3, size 0-0 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 24 to 6685:6686 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6736 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=6 sclass=netlink_audit_socket pig=6736 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6738 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=6 sclass=netlink_audit_socket pig=6736 comm=syz-executor4 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6943 comm=syz-executor4 netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. keychord: Insufficient bytes present for keycount 18 Tx-ring is not supported. keychord: Insufficient bytes present for keycount 18 Tx-ring is not supported. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor1'. binder: 6989:6993 got transaction with invalid offset (0, min 0 max 0) or object. binder: 6989:6993 transaction failed 29201/-22, size 0-8 line 3193 binder: 6989:6993 got transaction with invalid handle, 0 binder: 6989:6993 transaction failed 29201/-22, size 24-16 line 3222 binder_alloc: binder_alloc_mmap_handler: 6989 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6989:6993 ioctl 40046207 0 returned -16 binder_alloc: 6989: binder_alloc_buf, no vma binder: 6989:6993 transaction failed 29189/-3, size 0-8 line 3130 binder_alloc: 6989: binder_alloc_buf, no vma binder: 6989:6993 transaction failed 29189/-3, size 24-16 line 3130 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 IPVS: length: 24 != 8 device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device ./file0 sock: process `syz-executor6' is using obsolete getsockopt SO_BSDCOMPAT 9pnet_virtio: no channels available for device ./file0