================================================================== BUG: KASAN: wild-memory-access on address ffe7087450a17000 Read of size 205 by task syz-executor1/9018 CPU: 1 PID: 9018 Comm: syz-executor1 Not tainted 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a97afae8 ffffffff81d93149 ffe7087450a17000 00000000000000cd 0000000000000000 ffff8801ca015960 ffe7087450a17000 ffff8801a97afb70 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] vfs_read+0x107/0x330 fs/read_write.c:475 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== ================================================================== BUG: KASAN: wild-memory-access on address ffe7086a5ec84000 Read of size 205 by task syz-executor1/9029 CPU: 0 PID: 9029 Comm: syz-executor1 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf2ffae8 ffffffff81d93149 ffe7086a5ec84000 00000000000000cd 0000000000000000 ffff8801cb323840 ffe7086a5ec84000 ffff8801cf2ffb70 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] vfs_read+0x107/0x330 fs/read_write.c:475 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== device syz0 entered promiscuous mode binder: 9125:9127 ioctl 5422 0 returned -22 device syz0 left promiscuous mode device syz0 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 9219 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ad2ef920 ffffffff81d93149 ffff8801ad2efc00 0000000000000000 ffff8801ab63e290 ffff8801ad2efaf0 ffff8801ab63e180 ffff8801ad2efb18 ffffffff81660dc8 ffff8801ad2efa70 dffffc0000000000 00000001d69ab067 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 syz0 left promiscuous mode CPU: 1 PID: 9236 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff880168687920 ffffffff81d93149 ffff880168687c00 0000000000000000 ffff8801ab63e290 ffff880168687af0 ffff8801ab63e180 ffff880168687b18 ffffffff81660dc8 ffff880168687a70 dffffc0000000000 00000001d69ab067 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: 9274:9278 ioctl 5609 20219ffa returned -22 binder: 9274:9296 ioctl 5609 20219ffa returned -22 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 9279 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff88016b9af920 ffffffff81d93149 ffff88016b9afc00 0000000000000000 ffff8801a7e6b310 ffff88016b9afaf0 ffff8801a7e6b200 ffff88016b9afb18 ffffffff81660dc8 ffff88016b9afa70 ffff88016b9af948 00000001a9488067 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 CPU: 1 PID: 9293 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d66af920 ffffffff81d93149 ffff8801d66afc00 0000000000000000 ffff8801a7e6b310 ffff8801d66afaf0 ffff8801a7e6b200 ffff8801d66afb18 ffffffff81660dc8 ffff8801d66afa70 ffff8801d66af948 00000001a9488067 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: 0 PID: 9305 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff88016a8ef9a0 ffffffff81d93149 ffff88016a8efc80 0000000000000000 ffff8801a7e6b010 ffff88016a8efb70 ffff8801a7e6af00 ffff88016a8efb98 ffffffff81660dc8 ffff88016a8efaf0 ffff88016a8efbb8 00000001a9488067 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 selinux_nlmsg_perm: 6 callbacks suppressed SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=9393 comm=syz-executor7 FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 9400 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ac7cf9a0 ffffffff81d93149 ffff8801ac7cfc80 0000000000000000 ffff8801a7e6ae90 ffff8801ac7cfb70 ffff8801a7e6ad80 ffff8801ac7cfb98 ffffffff81660dc8 ffff8801ac7cfaf0 0000000000000000 00000001c8ece067 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: 9380 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a0fa7920 ffffffff81d93149 ffff8801a0fa7c00 0000000000000000 ffff8801a7e6ae90 ffff8801a0fa7af0 ffff8801a7e6ad80 ffff8801a0fa7b18 ffffffff81660dc8 ffff8801a0fa7a70 ffff8801a0fa7948 00000001c8ece067 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=21 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 CPU: 1 PID: 9391 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a98f7920 ffffffff81d93149 ffff8801a98f7c00 0000000000000000 ffff8801a7e6ae90 ffff8801a98f7af0 ffff8801a7e6ad80 ffff8801a98f7b18 ffffffff81660dc8 ffff8801a98f7a70 dffffc0000000000 00000001c8ece067 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 9495 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cab7f9a0 ffffffff81d93149 ffff8801cab7fc80 0000000000000000 ffff8801ab63e590 ffff8801cab7fb70 ffff8801ab63e480 ffff8801cab7fb98 ffffffff81660dc8 ffff8801cab7faf0 0000000000000000 00000001a8bae067 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: 0 PID: 9471 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c96b7920 ffffffff81d93149 ffff8801c96b7c00 0000000000000000 ffff8801ab63e590 ffff8801c96b7af0 ffff8801ab63e480 ffff8801c96b7b18 ffffffff81660dc8 ffff8801c96b7a70 ffff8801c96b7948 00000001a8bae067 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 CPU: 1 PID: 9484 Comm: syz-executor5 Tainted: G B 4.9.52-g3217ccc #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ab527920 ffffffff81d93149 ffff8801ab527c00 0000000000000000 ffff8801ab63e590 ffff8801ab527af0 ffff8801ab63e480 ffff8801ab527b18 ffffffff81660dc8 ffff8801ab527a70 dffffc0000000000 00000001a8bae067 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 syz0 entered promiscuous mode device syz0 left promiscuous mode device syz0 entered promiscuous mode nla_parse: 13 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=13608 sclass=netlink_tcpdiag_socket pig=9865 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=13608 sclass=netlink_tcpdiag_socket pig=9865 comm=syz-executor4 device syz7 left promiscuous mode device syz7 entered promiscuous mode IPVS: Creating netns size=2536 id=22 device syz7 left promiscuous mode device syz7 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 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