================================================================== BUG: KASAN: use-after-free in __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 Read of size 8 at addr ffff888111c7ccf0 by task kworker/0:3/308 CPU: 0 PID: 308 Comm: kworker/0:3 Not tainted 6.1.75-syzkaller-00017-gca4095789fda #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:316 [inline] print_report+0x158/0x4e0 mm/kasan/report.c:427 kasan_report+0x13c/0x170 mm/kasan/report.c:531 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351 __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 __list_del_entry include/linux/list.h:134 [inline] list_del_init include/linux/list.h:206 [inline] process_one_work+0x4d7/0xcb0 kernel/workqueue.c:2243 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Allocated by task 480: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:379 [inline] __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:957 [inline] __kmalloc_node+0xb4/0x1e0 mm/slab_common.c:964 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x221/0x640 mm/util.c:592 kvmalloc include/linux/slab.h:706 [inline] kvzalloc include/linux/slab.h:714 [inline] alloc_netdev_mqs+0x8c/0xf90 net/core/dev.c:10626 alloc_etherdev_mqs+0x36/0x40 net/ethernet/eth.c:394 usbnet_probe+0x207/0x27c0 drivers/net/usb/usbnet.c:1693 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397 really_probe+0x2b8/0x920 drivers/base/dd.c:639 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:808 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:838 __device_attach_driver+0x2e3/0x490 drivers/base/dd.c:966 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x312/0x510 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487 device_add+0xb60/0xf10 drivers/base/core.c:3664 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:294 really_probe+0x2b8/0x920 drivers/base/dd.c:639 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:808 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:838 __device_attach_driver+0x2e3/0x490 drivers/base/dd.c:966 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x312/0x510 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487 device_add+0xb60/0xf10 drivers/base/core.c:3664 usb_new_device+0xf32/0x1810 drivers/usb/core/hub.c:2608 hub_port_connect drivers/usb/core/hub.c:5511 [inline] hub_port_connect_change drivers/usb/core/hub.c:5651 [inline] port_event drivers/usb/core/hub.c:5811 [inline] hub_event+0x2db1/0x4830 drivers/usb/core/hub.c:5893 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Freed by task 480: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1745 [inline] slab_free_freelist_hook mm/slub.c:1771 [inline] slab_free mm/slub.c:3684 [inline] __kmem_cache_free+0x218/0x3b0 mm/slub.c:3697 kfree+0x7a/0xf0 mm/slab_common.c:1009 kvfree+0x35/0x40 mm/util.c:639 netdev_freemem+0x3f/0x60 net/core/dev.c:10580 netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1906 device_release+0x95/0x1c0 kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x178/0x260 lib/kobject.c:729 put_device+0x1f/0x30 drivers/base/core.c:3772 free_netdev+0x393/0x480 net/core/dev.c:10773 usbnet_disconnect+0x245/0x390 drivers/net/usb/usbnet.c:1632 usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:459 device_remove drivers/base/dd.c:550 [inline] __device_release_driver drivers/base/dd.c:1283 [inline] device_release_driver_internal+0x53e/0x870 drivers/base/dd.c:1309 device_release_driver+0x19/0x20 drivers/base/dd.c:1332 bus_remove_device+0x2fa/0x360 drivers/base/bus.c:529 device_del+0x663/0xe90 drivers/base/core.c:3852 usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1414 usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2271 hub_port_connect drivers/usb/core/hub.c:5350 [inline] hub_port_connect_change drivers/usb/core/hub.c:5651 [inline] port_event drivers/usb/core/hub.c:5811 [inline] hub_event+0x1ed8/0x4830 drivers/usb/core/hub.c:5893 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 process_scheduled_works kernel/workqueue.c:2362 [inline] worker_thread+0xd71/0x1260 kernel/workqueue.c:2448 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 insert_work+0x56/0x310 kernel/workqueue.c:1368 __queue_work+0x9b6/0xd70 kernel/workqueue.c:1527 queue_work_on+0x105/0x170 kernel/workqueue.c:1555 usbnet_link_change+0xeb/0x100 usbnet_probe+0x1dbe/0x27c0 drivers/net/usb/usbnet.c:1840 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397 really_probe+0x2b8/0x920 drivers/base/dd.c:639 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:808 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:838 __device_attach_driver+0x2e3/0x490 drivers/base/dd.c:966 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x312/0x510 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487 device_add+0xb60/0xf10 drivers/base/core.c:3664 usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165 usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:294 really_probe+0x2b8/0x920 drivers/base/dd.c:639 __driver_probe_device+0x1a0/0x310 drivers/base/dd.c:808 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:838 __device_attach_driver+0x2e3/0x490 drivers/base/dd.c:966 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x312/0x510 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487 device_add+0xb60/0xf10 drivers/base/core.c:3664 usb_new_device+0xf32/0x1810 drivers/usb/core/hub.c:2608 hub_port_connect drivers/usb/core/hub.c:5511 [inline] hub_port_connect_change drivers/usb/core/hub.c:5651 [inline] port_event drivers/usb/core/hub.c:5811 [inline] hub_event+0x2db1/0x4830 drivers/usb/core/hub.c:5893 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 The buggy address belongs to the object at ffff888111c7c000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 3312 bytes inside of 4096-byte region [ffff888111c7c000, ffff888111c7d000) The buggy address belongs to the physical page: page:ffffea0004471e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x111c78 head:ffffea0004471e00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043380 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 0x1d60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 480, tgid 480 (kworker/0:5), ts 46767958968, free_ts 46767545923 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590 prep_new_page+0x1b/0x110 mm/page_alloc.c:2597 get_page_from_freelist+0x27ea/0x2870 mm/page_alloc.c:4425 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5712 alloc_slab_page+0x6c/0xf0 allocate_slab mm/slub.c:1962 [inline] new_slab+0x90/0x3e0 mm/slub.c:2015 ___slab_alloc+0x6f9/0xb80 mm/slub.c:3203 __slab_alloc+0x5d/0xa0 mm/slub.c:3302 slab_alloc_node mm/slub.c:3387 [inline] __kmem_cache_alloc_node+0x1af/0x250 mm/slub.c:3460 __do_kmalloc_node mm/slab_common.c:956 [inline] __kmalloc_node+0xa3/0x1e0 mm/slab_common.c:964 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x221/0x640 mm/util.c:592 kvmalloc include/linux/slab.h:706 [inline] kvzalloc include/linux/slab.h:714 [inline] alloc_netdev_mqs+0x8c/0xf90 net/core/dev.c:10626 alloc_etherdev_mqs+0x36/0x40 net/ethernet/eth.c:394 usbnet_probe+0x207/0x27c0 drivers/net/usb/usbnet.c:1693 usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397 really_probe+0x2b8/0x920 drivers/base/dd.c:639 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1498 [inline] free_pcp_prepare mm/page_alloc.c:1572 [inline] free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498 free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594 free_the_page mm/page_alloc.c:798 [inline] free_compound_page+0x9d/0xd0 mm/page_alloc.c:821 destroy_large_folio+0x56/0x90 mm/page_alloc.c:858 __folio_put_large mm/swap.c:118 [inline] __folio_put+0xcf/0xe0 mm/swap.c:126 folio_put include/linux/mm.h:1417 [inline] put_page include/linux/mm.h:1469 [inline] page_to_skb+0x75d/0xba0 drivers/net/virtio_net.c:556 receive_mergeable drivers/net/virtio_net.c:1128 [inline] receive_buf+0x4fc/0x4ef0 drivers/net/virtio_net.c:1267 virtnet_receive drivers/net/virtio_net.c:1562 [inline] virtnet_poll+0x6d3/0x1470 drivers/net/virtio_net.c:1680 __napi_poll+0xbe/0x5c0 net/core/dev.c:6544 napi_poll net/core/dev.c:6611 [inline] net_rx_action+0x595/0xdd0 net/core/dev.c:6722 __do_softirq+0x1d8/0x661 kernel/softirq.c:617 Memory state around the buggy address: ffff888111c7cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888111c7cc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888111c7cc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888111c7cd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888111c7cd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== usb 3-1: new high-speed USB device number 13 using dummy_hcd usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 usb 3-1: New USB device found, idVendor=056a, idProduct=0094, bcdDevice= 0.00 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 3-1: config 0 descriptor?? wacom 0003:056A:0094.000E: item fetching failed at offset 5/7 wacom 0003:056A:0094.000E: parse failed wacom: probe of 0003:056A:0094.000E failed with error -22 usb 4-1: new high-speed USB device number 6 using dummy_hcd usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 1 interface 1 altsetting 1 bulk endpoint 0x3 has invalid maxpacket 64 usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 4-1: Product: syz usb 4-1: Manufacturer: syz usb 4-1: SerialNumber: syz cdc_ncm 4-1:1.0: failed to get mac address cdc_ncm 4-1:1.0: bind() failure cdc_ncm: probe of 4-1:1.1 failed with error -71 cdc_mbim: probe of 4-1:1.1 failed with error -71 usb 4-1: USB disconnect, device number 6 usb 4-1: new high-speed USB device number 7 using dummy_hcd usb 4-1: Using ep0 maxpacket: 8 usb 4-1: New USB device found, idVendor=1557, idProduct=7720, bcdDevice=b7.eb usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? asix 4-1:0.0 (unnamed net_device) (uninitialized): invalid hw address, using random asix 4-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 asix 4-1:0.0 (unnamed net_device) (uninitialized): Failed to write Medium Mode mode to 0x0306: ffffffb9 asix: probe of 4-1:0.0 failed with error -71 usb 4-1: USB disconnect, device number 7