================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801c8f12620 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801c8f12620 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801c8f12620 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801c8f12620 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801c8f12620 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801c8f12620 Read of size 8 by task syz-executor6/4189 CPU: 1 PID: 4189 Comm: syz-executor6 Not tainted 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a9107d88 ffffffff81d90429 ffff8801da155140 ffff8801c8f125d0 ffff8801c8f12688 ffffed00391e24c4 ffff8801c8f12620 ffff8801a9107db0 ffffffff8153a3ac ffffed00391e24c4 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 ffff8801c8f125d0, in cache vm_area_struct size: 184 Allocated: PID = 4189 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 = 4190 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: ffff8801c8f12500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801c8f12580: fb fb fc fc fc fc fc fc fc fc fb fb fb fb fb fb >ffff8801c8f12600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801c8f12680: fb fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb ffff8801c8f12700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== device lo entered promiscuous mode SELinux: unrecognized netlink message: protocol=9 nlmsg_type=32 sclass=netlink_audit_socket pig=4209 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=32 sclass=netlink_audit_socket pig=4209 comm=syz-executor5 device lo left promiscuous mode device lo entered promiscuous mode device lo 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 binder: 4223:4227 ioctl 5603 20e9affa returned -22 binder: 4223:4227 ioctl c0bc5310 20612000 returned -22 binder: 4223:4227 ioctl 4b69 20fb7f68 returned -22 binder: 4223:4256 ioctl 5603 20e9affa returned -22 netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. IPv6: NLM_F_REPLACE set, but no existing node found! binder: 4223:4256 ioctl c0bc5310 20612000 returned -22 tmpfs: No value for mount option '9,3' netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. IPv6: NLM_F_REPLACE set, but no existing node found! SELinux: unrecognized netlink message: protocol=0 nlmsg_type=7 sclass=netlink_route_socket pig=4307 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4307 comm=syz-executor4 tmpfs: No value for mount option '9,3' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=7 sclass=netlink_route_socket pig=4325 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=4364 comm=syz-executor1 IPVS: Creating netns size=2536 id=10 binder: 4409:4413 ioctl 40485404 20000fb8 returned -22 binder: 4409:4413 ioctl 40485404 20000fb8 returned -22 ================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801d53eb718 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801d53eb718 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801d53eb718 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801d53eb718 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801d53eb718 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801d53eb718 Read of size 8 by task syz-executor4/4434 CPU: 1 PID: 4434 Comm: syz-executor4 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c6c5fd88 ffffffff81d90429 ffff8801da155140 ffff8801d53eb6c8 ffff8801d53eb780 ffffed003aa7d6e3 ffff8801d53eb718 ffff8801c6c5fdb0 ffffffff8153a3ac ffffed003aa7d6e3 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 ffff8801d53eb6c8, in cache vm_area_struct size: 184 Allocated: PID = 4434 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 = 4447 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: ffff8801d53eb600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801d53eb680: fb fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb >ffff8801d53eb700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801d53eb780: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff8801d53eb800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ================================================================== device gre0 entered promiscuous mode device gre0 left promiscuous mode device gre0 entered promiscuous mode device gre0 left promiscuous mode binder: 4593:4597 ioctl c0145401 2002e000 returned -22 binder: 4593:4597 ioctl c0145401 2002e000 returned -22 binder: 4610:4614 ioctl 8018456f 20ae7000 returned -22 binder: 4610:4614 ioctl 8018456f 20ae7000 returned -22 binder: 4639:4642 ioctl 4b44 20ad2000 returned -22 tc_dump_action: action bad kind tc_dump_action: action bad kind binder: 4639:4642 ioctl 4b44 20ad2000 returned -22 binder: 4761:4767 ioctl c08c5335 209dcf74 returned -22 netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. binder: 4761:4776 ioctl 80084502 2099ffaa returned -22 netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. binder: 4761:4789 ioctl c08c5335 209dcf74 returned -22 9pnet_virtio: no channels available for device ./file0 binder: 4761:4776 ioctl 80084502 2099ffaa returned -22 mmap: syz-executor2 (4793) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. device lo entered promiscuous mode 9pnet_virtio: no channels available for device ./file0 nla_parse: 1 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. selinux_nlmsg_perm: 5 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4812 comm=syz-executor5 netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. device gre0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. binder: 5017:5018 ioctl c08c5335 20001f74 returned -22 binder: 5017:5024 ioctl c08c5335 20001f74 returned -22 IPVS: Creating netns size=2536 id=11 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 sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor1 not setting count and/or reply_len properly device gre0 entered promiscuous mode A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. device lo entered promiscuous mode 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 binder: 5341:5351 ioctl c0106426 20435ff0 returned -22 binder: 5341:5363 ioctl c0106426 20435ff0 returned -22 device gre0 entered promiscuous mode IPv6: Can't replace route, no match found ALSA: seq fatal error: cannot create timer (-19) device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=12 binder: 5574:5576 ioctl 4b6a 204fd000 returned -22 binder: 5574:5576 ioctl 5411 20e27000 returned -22 ALSA: seq fatal error: cannot create timer (-19) binder: 5574:5576 ioctl 4c01 0 returned -22 binder: 5574:5576 ioctl 4b31 20cfc000 returned -22 IPv6: NLM_F_CREATE should be specified when creating new route binder: 5574:5583 ioctl 4b6a 204fd000 returned -22 binder: 5574:5576 ioctl 5411 20e27000 returned -22 binder: 5574:5583 ioctl 4c01 0 returned -22 binder: 5574:5583 ioctl 4b31 20cfc000 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 binder: 5634:5640 ioctl 541c 20647000 returned -22 binder: 5634:5640 ioctl 8955 20a1e000 returned -22 binder: 5636:5638 ioctl 8905 20ef6000 returned -22 binder: 5636:5670 ioctl 8905 20ef6000 returned -22 binder: 5634:5685 ioctl 541c 20647000 returned -22 binder: 5634:5649 ioctl 8955 20a1e000 returned -22 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 5691 Comm: syz-executor0 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d10bf930 ffffffff81d90429 ffff8801d10bfc10 0000000000000000 ffff8801cd8e2e90 ffff8801d10bfb00 ffff8801cd8e2d80 ffff8801d10bfb28 ffffffff8165e3c7 0000000000000001 ffff8801d10bfa80 00000001ce092067 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 [] entry_SYSCALL_64_fastpath+0x23/0xc6 IPVS: Creating netns size=2536 id=13 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5704 Comm: syz-executor0 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c852f930 ffffffff81d90429 ffff8801c852fc10 0000000000000000 ffff8801cd8e3190 ffff8801c852fb00 ffff8801cd8e3080 ffff8801c852fb28 ffffffff8165e3c7 ffff8801c852fac8 ffff8801c852fa80 00000001d9aa4067 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 [] entry_SYSCALL_64_fastpath+0x23/0xc6 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket pig=5844 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=65535 sclass=netlink_audit_socket pig=5844 comm=syz-executor3 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 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=5930 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5930 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=5945 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5945 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=5987 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=5987 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6014 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=6014 comm=syz-executor5 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 IPVS: Creating netns size=2536 id=14