KASAN: use-after-free Read in process_one

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-15	KASAN: use-after-free Read in process_one_work missing-backport origin:downstream	C	unreliable		151	3d20h	543d	0/2	upstream: reported C repro on 2022/10/31 08:36
android-5-10	BUG: corrupted list in process_one_work	C	error	done	8	9d20h	747d	2/2	upstream: reported C repro on 2022/04/10 06:05
android-6-1	KASAN: use-after-free Read in process_one_work origin:upstream missing-backport	C	error		157	4h14m	340d	0/2	upstream: reported C repro on 2023/05/21 23:04
upstream	KASAN: use-after-free Read in process_one_work				1	2416d	2381d	0/26	closed as invalid on 2018/02/14 13:45
upstream	KMSAN: kernel-infoleak in copyout (2) net	C			6723	323d	1492d	22/26	fixed on 2023/06/08 14:41
upstream	general protection fault in process_one_work (2) kernel				1	1012d	1008d	0/26	auto-closed as invalid on 2021/09/17 12:34
upstream	KASAN: slab-out-of-bounds Read in process_one_work kernel				1	546d	542d	0/26	auto-obsoleted due to no activity on 2023/01/25 20:05
upstream	KASAN: slab-use-after-free Read in process_one_work kernel				2	230d	232d	0/26	auto-obsoleted due to no activity on 2023/12/08 17:35

================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0xa2/0x120 lib/list_debug.c:62 Read of size 8 at addr ffff8881b007cb88 by task kworker/0:3/341 CPU: 0 PID: 341 Comm: kworker/0:3 Not tainted 5.4.225-syzkaller-00007-g2e56f91f9731 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: events linkwatch_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x241 lib/dump_stack.c:118 print_address_description+0x8c/0x600 mm/kasan/report.c:384 __kasan_report+0xf3/0x120 mm/kasan/report.c:516 kasan_report+0x30/0x60 mm/kasan/common.c:653 __list_del_entry_valid+0xa2/0x120 lib/list_debug.c:62 __list_del_entry include/linux/list.h:131 [inline] list_del_init include/linux/list.h:190 [inline] process_one_work+0x471/0xd20 kernel/workqueue.c:2231 worker_thread+0xaef/0x1470 kernel/workqueue.c:2433 kthread+0x2da/0x360 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354 Allocated by task 341: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] __kasan_kmalloc+0x130/0x1d0 mm/kasan/common.c:529 __kmalloc_node include/linux/slab.h:422 [inline] kmalloc_node include/linux/slab.h:599 [inline] kvmalloc_node+0x7e/0xf0 mm/util.c:596 kvmalloc include/linux/mm.h:759 [inline] kvzalloc include/linux/mm.h:767 [inline] alloc_netdev_mqs+0x85/0xc70 net/core/dev.c:9598 usbnet_probe+0x1c0/0x27e0 drivers/net/usb/usbnet.c:1687 usb_probe_interface+0x5aa/0xa90 drivers/usb/core/driver.c:361 really_probe+0x4dd/0xb80 drivers/base/dd.c:571 driver_probe_device+0xe5/0x240 drivers/base/dd.c:752 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:430 __device_attach+0x31c/0x490 drivers/base/dd.c:933 bus_probe_device+0xbd/0x1e0 drivers/base/bus.c:490 device_add+0x88d/0xbb0 drivers/base/core.c:2908 usb_set_configuration+0x177e/0x1ce0 drivers/usb/core/message.c:2029 generic_probe+0x84/0x140 drivers/usb/core/generic.c:210 really_probe+0x4dd/0xb80 drivers/base/dd.c:571 driver_probe_device+0xe5/0x240 drivers/base/dd.c:752 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:430 __device_attach+0x31c/0x490 drivers/base/dd.c:933 bus_probe_device+0xbd/0x1e0 drivers/base/bus.c:490 device_add+0x88d/0xbb0 drivers/base/core.c:2908 usb_new_device+0xbbf/0x1720 drivers/usb/core/hub.c:2563 hub_port_connect drivers/usb/core/hub.c:5182 [inline] hub_port_connect_change drivers/usb/core/hub.c:5301 [inline] port_event drivers/usb/core/hub.c:5447 [inline] hub_event+0x2c01/0x4c50 drivers/usb/core/hub.c:5529 process_one_work+0x765/0xd20 kernel/workqueue.c:2287 worker_thread+0xaef/0x1470 kernel/workqueue.c:2433 kthread+0x2da/0x360 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354 Freed by task 17719: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] kasan_set_free_info mm/kasan/common.c:345 [inline] __kasan_slab_free+0x178/0x230 mm/kasan/common.c:487 slab_free_hook mm/slub.c:1455 [inline] slab_free_freelist_hook mm/slub.c:1494 [inline] slab_free mm/slub.c:3080 [inline] kfree+0xeb/0x320 mm/slub.c:4071 device_release+0x6b/0x190 drivers/base/core.c:1776 kobject_cleanup lib/kobject.c:708 [inline] kobject_release lib/kobject.c:739 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1e6/0x2f0 lib/kobject.c:756 usb_unbind_interface+0x1d0/0x840 drivers/usb/core/driver.c:423 __device_release_driver drivers/base/dd.c:1184 [inline] device_release_driver_internal+0x50a/0x7b0 drivers/base/dd.c:1216 bus_remove_device+0x2ca/0x340 drivers/base/bus.c:532 device_del+0x65a/0xfa0 drivers/base/core.c:3085 usb_disable_device+0x373/0x690 drivers/usb/core/message.c:1277 usb_disconnect+0x32c/0x890 drivers/usb/core/hub.c:2226 hub_port_connect drivers/usb/core/hub.c:5025 [inline] hub_port_connect_change drivers/usb/core/hub.c:5301 [inline] port_event drivers/usb/core/hub.c:5447 [inline] hub_event+0x1c34/0x4c50 drivers/usb/core/hub.c:5529 process_one_work+0x765/0xd20 kernel/workqueue.c:2287 worker_thread+0xaef/0x1470 kernel/workqueue.c:2433 kthread+0x2da/0x360 kernel/kthread.c:288 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354 The buggy address belongs to the object at ffff8881b007c000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 2952 bytes inside of 4096-byte region [ffff8881b007c000, ffff8881b007d000) The buggy address belongs to the page: page:ffffea0006c01e00 refcount:1 mapcount:0 mapping:ffff8881f5c0c280 index:0x0 compound_mapcount: 0 flags: 0x8000000000010200(slab|head) raw: 8000000000010200 0000000000000000 0000000200000001 ffff8881f5c0c280 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL) set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook mm/page_alloc.c:2165 [inline] prep_new_page+0x18f/0x370 mm/page_alloc.c:2171 get_page_from_freelist+0x2ce8/0x2d70 mm/page_alloc.c:3794 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4891 alloc_slab_page+0x39/0x3c0 mm/slub.c:343 allocate_slab mm/slub.c:1683 [inline] new_slab+0x97/0x440 mm/slub.c:1749 new_slab_objects mm/slub.c:2505 [inline] ___slab_alloc+0x2fe/0x490 mm/slub.c:2667 __slab_alloc+0x5a/0x90 mm/slub.c:2707 slab_alloc_node mm/slub.c:2792 [inline] slab_alloc mm/slub.c:2837 [inline] __kmalloc_track_caller+0x168/0x290 mm/slub.c:4449 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb4/0x4d0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1079 [inline] nlmsg_new include/net/netlink.h:888 [inline] rtmsg_ifinfo_build_skb+0x81/0x180 net/core/rtnetlink.c:3503 rtmsg_ifinfo_event net/core/rtnetlink.c:3539 [inline] rtmsg_ifinfo+0x71/0x120 net/core/rtnetlink.c:3548 register_netdevice+0xfee/0x12a0 net/core/dev.c:9228 register_netdev+0x37/0x50 net/core/dev.c:9305 ip6gre_init_net+0x244/0x310 net/ipv6/ip6_gre.c:1604 ops_init+0x1d7/0x4e0 net/core/net_namespace.c:138 setup_net+0x214/0x990 net/core/net_namespace.c:345 page_owner free stack trace missing Memory state around the buggy address: ffff8881b007ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881b007cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8881b007cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881b007cc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881b007cc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================