netlink: 9 bytes leftover after parsing attributes in process `syz-executor4'. ================================================================== BUG: KASAN: wild-memory-access on address ffe708746fb21000 Read of size 208 by task syz-executor1/14626 CPU: 1 PID: 14626 Comm: syz-executor1 Not tainted 4.9.52-gc30c69c #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ad1279e8 ffffffff81d93149 ffe708746fb21000 00000000000000d0 0000000000000000 ffff8801d015da20 ffe708746fb21000 ffff8801ad127a70 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 ================================================================== sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid field in cdb sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid command operation code sg_write: data in/out 65500/34 bytes for SCSI command 0xfc-- guessing data in; program syz-executor1 not setting count and/or reply_len properly sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid command operation code sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid field in cdb netlink: 9 bytes leftover after parsing attributes in process `syz-executor4'. sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid command operation code device gre0 entered promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. IPVS: Creating netns size=2536 id=40 sd 0:0:1:0: [sg_rq_end_io] Sense Key : Illegal Request [current] sd 0:0:1:0: [sg_rq_end_io] Add. Sense: Invalid command operation code TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. binder: 14776:14778 ioctl 560a 206afff4 returned -22 binder: 14776:14778 ioctl 560a 206afff4 returned -22 device syz7 left 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 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 syz4 entered promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. device gre0 entered promiscuous mode selinux_nlmsg_perm: 1 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15100 comm=syz-executor4 netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. keychord: invalid keycode count 0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. keychord: invalid keycode count 0 binder: 15330:15331 ioctl 5411 20e73000 returned -22 binder: 15330:15348 ioctl 5411 20e73000 returned -22 device gre0 entered promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 program syz-executor7 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 device lo entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 15443 Comm: syz-executor1 Tainted: G B 4.9.52-gc30c69c #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8f879a0 ffffffff81d93149 ffff8801d8f87c80 0000000000000000 ffff8801ac8faa10 ffff8801d8f87b70 ffff8801ac8fa900 ffff8801d8f87b98 ffffffff81660dc8 ffff8801d8f87af0 ffff8801d06107f8 00000001c8dd7067 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: 15443 Comm: syz-executor1 Tainted: G B 4.9.52-gc30c69c #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8f879a0 ffffffff81d93149 ffff8801d8f87c80 0000000000000000 ffff8801ac8fa290 ffff8801d8f87b70 ffff8801ac8fa180 ffff8801d8f87b98 ffffffff81660dc8 ffff8801d8f87af0 ffff8801d8f87bb8 00000001c8dd7067 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 device lo left promiscuous mode IPVS: Creating netns size=2536 id=41 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 15499 Comm: syz-executor1 Tainted: G B 4.9.52-gc30c69c #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd43f9a0 ffffffff81d93149 ffff8801cd43fc80 0000000000000000 ffff8801ac8fbf10 ffff8801cd43fb70 ffff8801ac8fbe00 ffff8801cd43fb98 ffffffff81660dc8 ffff8801cd43faf0 ffff8801cd43fbb8 00000001a9857067 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: 15499 Comm: syz-executor1 Tainted: G B 4.9.52-gc30c69c #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd43f9a0 ffffffff81d93149 ffff8801cd43fc80 0000000000000000 ffff8801ac8fb010 ffff8801cd43fb70 ffff8801ac8faf00 ffff8801cd43fb98 ffffffff81660dc8 ffff8801cd43faf0 ffff8801cd43fbb8 00000001a9857067 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 TCP: request_sock_TCP: Possible SYN flooding on port 20013. Sending cookies. Check SNMP counters. 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 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder: 15606:15607 ioctl 541b 20cf5000 returned -22 binder: 15606:15618 ioctl 541b 20cf5000 returned -22 tc_dump_action: action bad kind SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15716 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=21199 sclass=netlink_audit_socket pig=15764 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=41 sclass=netlink_audit_socket pig=15764 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=21199 sclass=netlink_audit_socket pig=15788 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=41 sclass=netlink_audit_socket pig=15788 comm=syz-executor0 sock: sock_set_timeout: `syz-executor5' (pid 15811) tries to set negative timeout SELinux: unrecognized netlink message: protocol=9 nlmsg_type=770 sclass=netlink_audit_socket pig=15837 comm=syz-executor6 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=770 sclass=netlink_audit_socket pig=15837 comm=syz-executor6 IPVS: Creating netns size=2536 id=42 IPVS: Creating netns size=2536 id=43