device gre0 entered promiscuous mode device gre0 entered promiscuous mode ================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf4e9148 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf4e9148 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801cf4e9148 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801cf4e9148 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801cf4e9148 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801cf4e9148 Read of size 8 by task syz-executor1/4763 CPU: 0 PID: 4763 Comm: syz-executor1 Not tainted 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ab1c7d88 ffffffff81d90429 ffff8801da155140 ffff8801cf4e90f8 ffff8801cf4e91b0 ffffed0039e9d229 ffff8801cf4e9148 ffff8801ab1c7db0 ffffffff8153a3ac ffffed0039e9d229 ffff8801da155140 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] kasan_report mm/kasan/report.c:330 [inline] [] __asan_report_load8_noabort+0x29/0x30 mm/kasan/report.c:330 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] static_key_count include/linux/jump_label.h:174 [inline] [] static_key_false include/linux/jump_label.h:184 [inline] [] perf_sw_event include/linux/perf_event.h:1039 [inline] [] __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 Object at ffff8801cf4e90f8, in cache vm_area_struct size: 184 Allocated: PID = 4763 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 kmem_cache_zalloc include/linux/slab.h:626 [inline] mmap_region+0x587/0xfd0 mm/mmap.c:1662 do_mmap+0x57b/0xbe0 mm/mmap.c:1473 do_mmap_pgoff include/linux/mm.h:2018 [inline] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 SYSC_mmap_pgoff mm/mmap.c:1523 [inline] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 entry_SYSCALL_64_fastpath+0x23/0xc6 Freed: PID = 4773 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 remove_vma+0x11d/0x160 mm/mmap.c:175 remove_vma_list mm/mmap.c:2482 [inline] do_munmap+0x7ff/0xeb0 mm/mmap.c:2705 mmap_region+0x14d/0xfd0 mm/mmap.c:1635 do_mmap+0x57b/0xbe0 mm/mmap.c:1473 do_mmap_pgoff include/linux/mm.h:2018 [inline] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 SYSC_mmap_pgoff mm/mmap.c:1523 [inline] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 entry_SYSCALL_64_fastpath+0x23/0xc6 Memory state around the buggy address: ffff8801cf4e9000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801cf4e9080: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fb >ffff8801cf4e9100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801cf4e9180: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fb fb ffff8801cf4e9200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== 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 netlink: 3865 bytes leftover after parsing attributes in process `syz-executor2'. device gre0 entered promiscuous mode sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor6 not setting count and/or reply_len properly tmpfs: No value for mount option '9,3' sg_write: data in/out 262364/161 bytes for SCSI command 0xff-- guessing data in; program syz-executor6 not setting count and/or reply_len properly tmpfs: No value for mount option '9,3' tmpfs: No value for mount option '9,3' tmpfs: No value for mount option '9,3' 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready device lo left promiscuous mode device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready device lo left promiscuous mode binder: 5296:5297 ioctl 5411 20000ffc returned -22 binder: 5296:5306 ioctl 5411 20000ffc returned -22 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=5312 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=5312 comm=syz-executor0 binder: 5351:5354 ioctl 8927 204dcfd8 returned -22 binder: 5351:5354 ioctl 8927 204dcfd8 returned -22 9pnet_virtio: no channels available for device HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH SELinux: unrecognized netlink message: protocol=0 nlmsg_type=251 sclass=netlink_route_socket pig=5446 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=251 sclass=netlink_route_socket pig=5446 comm=syz-executor0 9pnet_virtio: no channels available for device HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5613 Comm: syz-executor6 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ca657870 ffffffff81d90429 ffff8801ca657b50 0000000000000000 ffff8801cf18d010 ffff8801ca657a40 ffff8801cf18cf00 ffff8801ca657a68 ffffffff8165e3c7 00fff100394caf24 ffff8801ca6579c0 00000001c930e067 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+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] do_syscall_64+0x197/0x490 arch/x86/entry/common.c:280 [] entry_SYSCALL64_slow_path+0x25/0x25 netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. device lo entered promiscuous mode netlink: 73 bytes leftover after parsing attributes in process `syz-executor4'. device lo left promiscuous mode binder: 5675:5679 ioctl c0406429 2053cfc0 returned -22 device lo entered promiscuous mode device lo left promiscuous mode binder: 5675:5679 ioctl c0406429 2053cfc0 returned -22 CPU: 1 PID: 5643 Comm: syz-executor6 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d57af6e0 ffffffff81d90429 ffff8801d57af9c0 0000000000000000 ffff8801cf18d010 ffff8801d57af8b0 ffff8801cf18cf00 ffff8801d57af8d8 ffffffff8165e3c7 ffffffff812395a0 ffff8801d57af830 00000001c930e067 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+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] entry_SYSCALL_64_fastpath+0x23/0xc6 binder: 5720:5725 ioctl 8927 204dcfd8 returned -22 binder: 5720:5725 ioctl 8927 204dcfd8 returned -22 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 binder: 5936:5939 ioctl 4b44 20ad2000 returned -22 binder: 5936:5958 ioctl 4b44 20ad2000 returned -22 9pnet_virtio: no channels available for device ./file0 IPVS: Creating netns size=2536 id=9 9pnet_virtio: no channels available for device ./file0 binder: 6058:6060 ioctl 4b44 20ad2000 returned -22 binder: 6058:6060 ioctl 4b44 20ad2000 returned -22 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) device gre0 entered promiscuous mode pktgen: Initialization failed for all threads device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=6172 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6172 comm=syz-executor4 pktgen: kernel_thread() failed for cpu 0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=6172 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6177 comm=syz-executor4 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 IPVS: length: 24 != 8 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=28 sclass=netlink_audit_socket pig=6328 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=28 sclass=netlink_audit_socket pig=6346 comm=syz-executor0 IPVS: Creating netns size=2536 id=10 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 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=6451 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=16 sclass=netlink_tcpdiag_socket pig=6463 comm=syz-executor0 tmpfs: No value for mount option 'K"WOSdYl' IPVS: Creating netns size=2536 id=11 netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. 9pnet_virtio: no channels available for device ./file0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. 9pnet_virtio: no channels available for device ./file0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor7 not setting count and/or reply_len properly netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. device gre0 entered promiscuous mode device gre0 entered promiscuous mode binder: 6868:6869 ioctl 40485404 20000fb8 returned -22 binder: 6868:6869 ioctl 400454d8 20002000 returned -22 binder: 6868:6869 ioctl 40485404 20000fb8 returned -22 binder: 6868:6869 ioctl 400454d8 20002000 returned -22 binder: 6880:6882 ioctl 80045430 7feac83b6b3c returned -22 binder: 6880:6907 ioctl 2403 3 returned -22 binder: 6880:6898 ioctl 80045430 7feac8374b3c returned -22 program syz-executor4 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 binder: 6880:6927 ioctl 2403 3 returned -22 program syz-executor4 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 binder: 6940:6945 ioctl c0086420 20739ff8 returned -22 binder: 6940:6945 ioctl 40086425 203c4000 returned -22