ieee802154 phy1 wpan1: encryption failed: -22 eth1 selects TX queue 0, but real number of TX queues is 0 ================================================================== BUG: KASAN: use-after-free in netdev_get_tx_queue include/linux/netdevice.h:2419 [inline] BUG: KASAN: use-after-free in netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4138 Read of size 8 at addr ffff8880608d8440 by task aoe_tx0/1228 CPU: 1 PID: 1228 Comm: aoe_tx0 Not tainted 6.0.0-rc6-syzkaller-00193-gaf2faee54d59 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:317 [inline] print_report.cold+0x2ba/0x719 mm/kasan/report.c:433 kasan_report+0xb1/0x1e0 mm/kasan/report.c:495 netdev_get_tx_queue include/linux/netdevice.h:2419 [inline] netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4138 __dev_queue_xmit+0x102f/0x3ad0 net/core/dev.c:4216 dev_queue_xmit include/linux/netdevice.h:3008 [inline] tx+0x6a/0xc0 drivers/block/aoe/aoenet.c:63 kthread+0x1e7/0x3b0 drivers/block/aoe/aoecmd.c:1229 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Allocated by task 3885: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:437 [inline] ____kasan_kmalloc mm/kasan/common.c:516 [inline] ____kasan_kmalloc mm/kasan/common.c:475 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:525 kmalloc_node include/linux/slab.h:623 [inline] kvmalloc_node+0xa4/0x190 mm/util.c:613 kvmalloc include/linux/slab.h:750 [inline] kvzalloc include/linux/slab.h:758 [inline] alloc_netdev_mqs+0x98/0x1180 net/core/dev.c:10603 nsim_create+0x91/0x520 drivers/net/netdevsim/netdev.c:350 __nsim_dev_port_add+0x2bb/0x880 drivers/net/netdevsim/dev.c:1379 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1437 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1489 [inline] nsim_dev_reload_up+0x593/0x830 drivers/net/netdevsim/dev.c:979 devlink_reload+0x2aa/0x6b0 net/core/devlink.c:4488 devlink_pernet_pre_exit+0x104/0x1c0 net/core/devlink.c:12433 ops_pre_exit_list net/core/net_namespace.c:153 [inline] cleanup_net+0x451/0xb00 net/core/net_namespace.c:583 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Freed by task 21938: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:367 [inline] ____kasan_slab_free+0x166/0x1c0 mm/kasan/common.c:329 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1754 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780 slab_free mm/slub.c:3534 [inline] kfree+0xe2/0x580 mm/slub.c:4562 kvfree+0x42/0x50 mm/util.c:655 device_release+0x9f/0x240 drivers/base/core.c:2330 kobject_cleanup lib/kobject.c:673 [inline] kobject_release lib/kobject.c:704 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1be/0x4c0 lib/kobject.c:721 put_device+0x1b/0x30 drivers/base/core.c:3624 free_netdev+0x438/0x620 net/core/dev.c:10750 __nsim_dev_port_del+0x191/0x250 drivers/net/netdevsim/dev.c:1416 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1428 [inline] nsim_dev_reload_destroy+0x171/0x510 drivers/net/netdevsim/dev.c:1645 nsim_drv_remove+0x56/0x190 drivers/net/netdevsim/dev.c:1661 device_remove+0xc8/0x170 drivers/base/dd.c:548 __device_release_driver drivers/base/dd.c:1249 [inline] device_release_driver_internal+0x4a1/0x700 drivers/base/dd.c:1275 bus_remove_device+0x2e3/0x590 drivers/base/bus.c:529 device_del+0x4f3/0xc80 drivers/base/core.c:3704 device_unregister+0x1a/0xc0 drivers/base/core.c:3736 nsim_bus_dev_del drivers/net/netdevsim/bus.c:303 [inline] del_device_store+0x317/0x470 drivers/net/netdevsim/bus.c:215 bus_attr_store+0x72/0xa0 drivers/base/bus.c:122 sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x3f8/0x610 fs/kernfs/file.c:354 call_write_iter include/linux/fs.h:2187 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9e9/0xdd0 fs/read_write.c:578 ksys_write+0x127/0x250 fs/read_write.c:631 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff8880608d8000 which belongs to the cache kmalloc-cg-8k of size 8192 The buggy address is located 1088 bytes inside of 8192-byte region [ffff8880608d8000, ffff8880608da000) The buggy address belongs to the physical page: page:ffffea0001823600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x608d8 head:ffffea0001823600 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff8880b3fa7561 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88801184c3c0 raw: 0000000000000000 0000000000020002 00000001ffffffff ffff8880b3fa7561 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 3885, tgid 3885 (kworker/u4:9), ts 1534891265609, free_ts 1534804919827 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x109b/0x2ce0 mm/page_alloc.c:4283 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5515 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:1824 [inline] allocate_slab+0x27e/0x3d0 mm/slub.c:1969 new_slab mm/slub.c:2029 [inline] ___slab_alloc+0x7f1/0xe10 mm/slub.c:3031 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118 slab_alloc_node mm/slub.c:3209 [inline] __kmalloc_node+0x2e2/0x380 mm/slub.c:4468 kmalloc_node include/linux/slab.h:623 [inline] kvmalloc_node+0xa4/0x190 mm/util.c:613 kvmalloc include/linux/slab.h:750 [inline] kvzalloc include/linux/slab.h:758 [inline] alloc_netdev_mqs+0x98/0x1180 net/core/dev.c:10603 nsim_create+0x91/0x520 drivers/net/netdevsim/netdev.c:350 __nsim_dev_port_add+0x2bb/0x880 drivers/net/netdevsim/dev.c:1379 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1437 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1489 [inline] nsim_dev_reload_up+0x593/0x830 drivers/net/netdevsim/dev.c:979 devlink_reload+0x2aa/0x6b0 net/core/devlink.c:4488 devlink_pernet_pre_exit+0x104/0x1c0 net/core/devlink.c:12433 ops_pre_exit_list net/core/net_namespace.c:153 [inline] cleanup_net+0x451/0xb00 net/core/net_namespace.c:583 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1449 [inline] free_pcp_prepare+0x5e4/0xd20 mm/page_alloc.c:1499 free_unref_page_prepare mm/page_alloc.c:3380 [inline] free_unref_page+0x19/0x4d0 mm/page_alloc.c:3476 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2548 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:447 kasan_slab_alloc include/linux/kasan.h:224 [inline] slab_post_alloc_hook mm/slab.h:727 [inline] slab_alloc_node mm/slub.c:3243 [inline] kmem_cache_alloc_node+0x2b1/0x3f0 mm/slub.c:3293 __alloc_skb+0x210/0x2f0 net/core/skbuff.c:422 alloc_skb include/linux/skbuff.h:1257 [inline] nlmsg_new include/net/netlink.h:953 [inline] inet6_netconf_notify_devconf+0xa0/0x1e0 net/ipv6/addrconf.c:581 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7116 [inline] addrconf_sysctl_unregister+0x131/0x1c0 net/ipv6/addrconf.c:7140 addrconf_ifdown.isra.0+0x128c/0x1830 net/ipv6/addrconf.c:3903 addrconf_notify+0xeb/0x1c10 net/ipv6/addrconf.c:3673 notifier_call_chain+0xb5/0x200 kernel/notifier.c:87 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1945 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline] call_netdevice_notifiers net/core/dev.c:1997 [inline] unregister_netdevice_many+0xa62/0x1980 net/core/dev.c:10862 unregister_netdevice_queue+0x2dd/0x3c0 net/core/dev.c:10793 Memory state around the buggy address: ffff8880608d8300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880608d8380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880608d8400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880608d8480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880608d8500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================