IPVS: Creating netns size=2536 id=12 sg_write: data in/out 34319/34 bytes for SCSI command 0xfc-- guessing data in; program syz-executor3 not setting count and/or reply_len properly ================================================================== BUG: KASAN: wild-memory-access on address ffe7086aec600000 Read of size 28 by task syz-executor3/4908 CPU: 1 PID: 4908 Comm: syz-executor3 Not tainted 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801abb579e8 ffffffff81d93149 ffe7086aec600000 000000000000001c 0000000000000000 ffff8801aa30eba0 ffe7086aec600000 ffff8801abb57a70 ffffffff8153d08f 0000000000000000 0000000000000001 ffffffff826648db Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] kasan_report_error mm/kasan/report.c:284 [inline] [] kasan_report.part.1+0x40f/0x500 mm/kasan/report.c:309 [] kasan_report+0x20/0x30 mm/kasan/report.c:296 [] check_memory_region_inline mm/kasan/kasan.c:308 [inline] [] check_memory_region+0x137/0x190 mm/kasan/kasan.c:315 [] kasan_check_read+0x11/0x20 mm/kasan/kasan.c:320 [] __copy_to_user arch/x86/include/asm/uaccess_64.h:182 [inline] [] sg_read_oxfer drivers/scsi/sg.c:1978 [inline] [] sg_read+0x124b/0x1400 drivers/scsi/sg.c:520 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 4921 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801abce7a10 ffffffff81d93149 ffff8801abce7cf0 0000000000000000 ffff8801c97ecb90 ffff8801abce7be0 ffff8801c97eca80 ffff8801abce7c08 ffffffff81660dc8 ffff8801abce7b60 0000000000000000 00000001a9563067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 4909 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ab887990 ffffffff81d93149 ffff8801ab887c70 0000000000000000 ffff8801c97ecb90 ffff8801ab887b60 ffff8801c97eca80 ffff8801ab887b88 ffffffff81660dc8 ffff8801ab887ae0 ffffffff838abebb 00000001a9563067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 IPVS: Creating netns size=2536 id=13 9pnet_virtio: no channels available for device ./file0 IPVS: length: 24 != 49176 IPVS: length: 24 != 49176 9pnet_virtio: no channels available for device ./file0 IPVS: Creating netns size=2536 id=14 IPVS: Creating netns size=2536 id=15 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode sg_write: data in/out 296463/34 bytes for SCSI command 0xfc-- guessing data in; program syz-executor0 not setting count and/or reply_len properly nla_parse: 12 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device gre0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready device gre0 entered promiscuous mode device gre0 left promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready device gre0 entered promiscuous mode device gre0 left promiscuous mode netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. device syz0 entered promiscuous mode netlink: 29 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 29 bytes leftover after parsing attributes in process `syz-executor4'. binder: 5682:5686 ioctl 4b45 20306000 returned -22 binder: 5682:5686 ioctl 540f 207e9000 returned -22 binder: 5682:5686 ioctl 4b45 20306000 returned -22 binder: 5682:5697 ioctl 540f 207e9000 returned -22 binder: 5785:5794 ioctl 560a 20183ff4 returned -22 device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready device lo left promiscuous mode binder: 5785:5794 ioctl 8910 20a39ff0 returned -22 binder: 5785:5843 ioctl 560a 20183ff4 returned -22 binder: 5785:5860 ioctl 8910 20a39ff0 returned -22 binder: 5883:5890 ioctl 4b3b 81 returned -22 binder: 5883:5890 ioctl 4b3b 81 returned -22 IPVS: Creating netns size=2536 id=16 IPVS: Creating netns size=2536 id=17 binder: 5915:5919 ioctl 80605414 20fcc000 returned -22 binder: 5915:5919 ioctl 80605414 20fcc000 returned -22 netlink: 5 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. device gre0 entered promiscuous mode device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 6075 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c4d87910 ffffffff81d93149 ffff8801c4d87bf0 0000000000000000 ffff8801cf51b310 ffff8801c4d87ae0 ffff8801cf51b200 ffff8801c4d87b08 ffffffff81660dc8 ffff8801c4d87a60 ffff8801cd82c800 00000001ca0b4067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 6130:6132 ioctl 4b3b 81 returned -22 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6100 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c8ccf9b0 ffffffff81d93149 ffff8801c8ccfc90 0000000000000000 ffff8801cf51b310 ffff8801c8ccfb80 ffff8801cf51b200 ffff8801c8ccfba8 ffffffff81660dc8 ffff8801c8ccfb00 ffff8801c8ccfbe0 00000001ca0b4067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 6086 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6cb79e0 ffffffff81d93149 ffff8801d6cb7cc0 0000000000000000 ffff8801cf51b310 ffff8801d6cb7bb0 ffff8801cf51b200 ffff8801d6cb7bd8 ffffffff81660dc8 ffff8801d6cb7b30 ffff8801ce6ae000 00000001ca0b4067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 6130:6132 ioctl 4b3b 81 returned -22 device gre0 entered promiscuous mode CPU: 1 PID: 6118 Comm: syz-executor6 Tainted: G B 4.9.52-g9b2b081 #55 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d6b2f9a0 ffffffff81d93149 ffff8801d6b2fc80 0000000000000000 ffff8801cf51b310 ffff8801d6b2fb70 ffff8801cf51b200 ffff8801d6b2fb98 ffffffff81660dc8 ffff8801d6b2faf0 0000000000000000 00000001ca0b4067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa48/0x1300 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+0x4eb/0xbd0 arch/x86/mm/fault.c:1397 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 IPVS: Creating netns size=2536 id=18 keychord: unsupported version 0 keychord: unsupported version 0 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device gre0 entered promiscuous mode nla_parse: 22 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=6621 comm=syz-executor4 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor1'. device gre0 entered promiscuous mode pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads binder: 6797:6802 ioctl c08c5334 2051d000 returned -22 binder: 6797:6851 ioctl c08c5334 2051d000 returned -22 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode IPv6: NLM_F_CREATE should be specified when creating new route device syz4 entered promiscuous mode device syz3 entered promiscuous mode device lo entered promiscuous mode qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device syz3 left promiscuous mode binder: 7062:7063 ioctl 5419 20027ffc returned -22 binder: 7062:7063 ioctl 5419 20027ffc returned -22 device syz3 entered promiscuous mode device syz3 left promiscuous mode qtaguid: iface_stat: create(lo): no inet dev qtaguid: iface_stat: create6(lo): no inet dev IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready qtaguid: iface_stat: create6(lo): no inet dev device lo left promiscuous mode IPv6: NLM_F_REPLACE set, but no existing node found! IPv6: NLM_F_REPLACE set, but no existing node found! 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 binder: 7201:7230 ioctl 4b60 205baf8c returned -22