ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: slab-use-after-free in skb_update_prio net/core/dev.c:3889 [inline] BUG: KASAN: slab-use-after-free in __dev_queue_xmit+0x381e/0x3c20 net/core/dev.c:4169 Read of size 8 at addr ffff8880398e8b90 by task aoe_tx0/1215 CPU: 1 PID: 1215 Comm: aoe_tx0 Not tainted 6.3.0-rc5-next-20230406-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351 print_report mm/kasan/report.c:462 [inline] kasan_report+0x11c/0x130 mm/kasan/report.c:572 skb_update_prio net/core/dev.c:3889 [inline] __dev_queue_xmit+0x381e/0x3c20 net/core/dev.c:4169 dev_queue_xmit include/linux/netdevice.h:3087 [inline] tx+0x76/0x100 drivers/block/aoe/aoenet.c:63 kthread+0x1eb/0x3b0 drivers/block/aoe/aoecmd.c:1229 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Allocated by task 5603: kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] ____kasan_kmalloc mm/kasan/common.c:333 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:196 [inline] __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc_node+0x61/0x1a0 mm/slab_common.c:973 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x76/0x1a0 mm/util.c:604 kvmalloc include/linux/slab.h:697 [inline] kvzalloc include/linux/slab.h:705 [inline] alloc_netdev_mqs+0x9c/0x1250 net/core/dev.c:10611 nsim_create+0x95/0x5c0 drivers/net/netdevsim/netdev.c:342 __nsim_dev_port_add+0x2de/0x8a0 drivers/net/netdevsim/dev.c:1393 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1449 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1501 [inline] nsim_dev_reload_up+0x597/0x830 drivers/net/netdevsim/dev.c:988 devlink_reload+0x243/0x460 net/devlink/dev.c:373 devlink_pernet_pre_exit+0x1b6/0x280 net/devlink/core.c:291 ops_pre_exit_list net/core/net_namespace.c:160 [inline] cleanup_net+0x455/0xb10 net/core/net_namespace.c:602 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Freed by task 27723: kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1781 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807 slab_free mm/slub.c:3786 [inline] __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3799 kvfree+0x46/0x50 mm/util.c:650 device_release+0xa3/0x240 drivers/base/core.c:2484 kobject_cleanup lib/kobject.c:683 [inline] kobject_release lib/kobject.c:714 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1c2/0x4d0 lib/kobject.c:731 put_device+0x1f/0x30 drivers/base/core.c:3733 free_netdev+0x441/0x620 net/core/dev.c:10760 __nsim_dev_port_del+0x189/0x240 drivers/net/netdevsim/dev.c:1428 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1440 [inline] nsim_dev_reload_destroy+0x171/0x510 drivers/net/netdevsim/dev.c:1661 nsim_drv_remove+0x52/0x1d0 drivers/net/netdevsim/dev.c:1676 device_remove+0xc8/0x170 drivers/base/dd.c:567 __device_release_driver drivers/base/dd.c:1267 [inline] device_release_driver_internal+0x443/0x610 drivers/base/dd.c:1290 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574 device_del+0x399/0xa30 drivers/base/core.c:3814 device_unregister+0x1e/0xc0 drivers/base/core.c:3844 nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline] del_device_store+0x34e/0x4a0 drivers/net/netdevsim/bus.c:219 bus_attr_store+0x76/0xa0 drivers/base/bus.c:170 sysfs_kf_write+0x114/0x170 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x3f1/0x600 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:1854 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0xa17/0xe40 fs/read_write.c:584 ksys_write+0x12b/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Last potentially related work creation: kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491 insert_work+0x48/0x360 kernel/workqueue.c:1365 __queue_work+0x5c6/0xfb0 kernel/workqueue.c:1526 queue_work_on+0xf2/0x110 kernel/workqueue.c:1554 queue_work include/linux/workqueue.h:505 [inline] schedule_work include/linux/workqueue.h:566 [inline] __rhashtable_remove_fast_one include/linux/rhashtable.h:1069 [inline] __rhashtable_remove_fast.constprop.0.isra.0+0xf17/0x10a0 include/linux/rhashtable.h:1093 rhashtable_remove_fast include/linux/rhashtable.h:1122 [inline] br_multicast_del_mdb_entry+0xd5/0x330 net/bridge/br_multicast.c:641 br_multicast_dev_del+0xfb/0x240 net/bridge/br_multicast.c:4359 br_dev_uninit+0x1d/0x70 net/bridge/br_device.c:163 unregister_netdevice_many_notify+0xb19/0x1910 net/core/dev.c:10887 unregister_netdevice_many net/core/dev.c:10923 [inline] default_device_exit_batch+0x451/0x5b0 net/core/dev.c:11376 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Second to last potentially related work creation: kasan_save_stack+0x22/0x40 mm/kasan/common.c:45 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491 insert_work+0x48/0x360 kernel/workqueue.c:1365 __queue_work+0x5c6/0xfb0 kernel/workqueue.c:1526 queue_work_on+0xf2/0x110 kernel/workqueue.c:1554 queue_work include/linux/workqueue.h:505 [inline] br_multicast_del_mdb_entry+0x285/0x330 net/bridge/br_multicast.c:645 br_multicast_dev_del+0xfb/0x240 net/bridge/br_multicast.c:4359 br_dev_uninit+0x1d/0x70 net/bridge/br_device.c:163 unregister_netdevice_many_notify+0xb19/0x1910 net/core/dev.c:10887 unregister_netdevice_many net/core/dev.c:10923 [inline] default_device_exit_batch+0x451/0x5b0 net/core/dev.c:11376 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 The buggy address belongs to the object at ffff8880398e8000 which belongs to the cache kmalloc-cg-8k of size 8192 The buggy address is located 2960 bytes inside of freed 8192-byte region [ffff8880398e8000, ffff8880398ea000) The buggy address belongs to the physical page: page:ffffea0000e63a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x398e8 head:ffffea0000e63a00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff88802e6372a1 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000010200 ffff88801244f640 ffffea0000baf200 0000000000000002 raw: 0000000000000000 0000000000020002 00000001ffffffff ffff88802e6372a1 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 21512, tgid 21512 (syz-executor.4), ts 2285678005501, free_ts 2275109754690 prep_new_page mm/page_alloc.c:1729 [inline] get_page_from_freelist+0xf75/0x2aa0 mm/page_alloc.c:3493 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4759 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2283 alloc_slab_page mm/slub.c:1851 [inline] allocate_slab+0x28e/0x380 mm/slub.c:1998 new_slab mm/slub.c:2051 [inline] ___slab_alloc+0xa91/0x1400 mm/slub.c:3192 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3291 __slab_alloc_node mm/slub.c:3344 [inline] slab_alloc_node mm/slub.c:3441 [inline] __kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3490 __do_kmalloc_node mm/slab_common.c:965 [inline] __kmalloc_node+0x51/0x1a0 mm/slab_common.c:973 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x76/0x1a0 mm/util.c:604 kvmalloc include/linux/slab.h:697 [inline] kvzalloc include/linux/slab.h:705 [inline] alloc_netdev_mqs+0x9c/0x1250 net/core/dev.c:10611 nsim_create+0x95/0x5c0 drivers/net/netdevsim/netdev.c:342 __nsim_dev_port_add+0x2de/0x8a0 drivers/net/netdevsim/dev.c:1393 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1449 [inline] nsim_drv_probe+0xd52/0x13d0 drivers/net/netdevsim/dev.c:1607 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x240/0xca0 drivers/base/dd.c:658 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:795 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:825 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1302 [inline] free_unref_page_prepare+0x4d8/0xb80 mm/page_alloc.c:2555 free_unref_page+0x33/0x370 mm/page_alloc.c:2650 __folio_put_small mm/swap.c:106 [inline] __folio_put+0xc5/0x140 mm/swap.c:129 folio_put include/linux/mm.h:1467 [inline] migrate_folio_done+0x24c/0x2e0 mm/migrate.c:1108 migrate_folio_move mm/migrate.c:1322 [inline] migrate_pages_batch+0x1b96/0x2fe0 mm/migrate.c:1791 migrate_pages_sync mm/migrate.c:1869 [inline] migrate_pages+0x1c13/0x27d0 mm/migrate.c:1972 compact_zone+0x1c98/0x39a0 mm/compaction.c:2439 proactive_compact_node+0x103/0x1b0 mm/compaction.c:2702 kcompactd+0x837/0xcc0 mm/compaction.c:3003 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Memory state around the buggy address: ffff8880398e8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880398e8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880398e8b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880398e8c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880398e8c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================