ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: slab-use-after-free in skb_update_prio net/core/dev.c:3844 [inline] BUG: KASAN: slab-use-after-free in __dev_queue_xmit+0x675/0x3b10 net/core/dev.c:4261 Read of size 8 at addr ffff888058fd4bb0 by task aoe_tx0/1241 CPU: 1 PID: 1241 Comm: aoe_tx0 Not tainted 6.8.0-rc4-syzkaller-01028-g71b605d32017 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:377 [inline] print_report+0x167/0x540 mm/kasan/report.c:488 kasan_report+0x142/0x180 mm/kasan/report.c:601 skb_update_prio net/core/dev.c:3844 [inline] __dev_queue_xmit+0x675/0x3b10 net/core/dev.c:4261 dev_queue_xmit include/linux/netdevice.h:3172 [inline] tx+0x6a/0x110 drivers/block/aoe/aoenet.c:62 kthread+0x239/0x440 drivers/block/aoe/aoecmd.c:1229 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 Allocated by task 12: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:372 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:3981 [inline] __kmalloc_node+0x24e/0x4e0 mm/slub.c:3988 kmalloc_node include/linux/slab.h:610 [inline] kvmalloc_node+0x72/0x190 mm/util.c:617 kvmalloc include/linux/slab.h:728 [inline] kvzalloc include/linux/slab.h:736 [inline] alloc_netdev_mqs+0x8d/0xf70 net/core/dev.c:10871 nsim_create+0x7e/0x480 drivers/net/netdevsim/netdev.c:385 __nsim_dev_port_add+0x6c0/0xae0 drivers/net/netdevsim/dev.c:1390 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline] nsim_dev_reload_up+0x69b/0x8e0 drivers/net/netdevsim/dev.c:985 devlink_reload+0x473/0x870 net/devlink/dev.c:474 devlink_pernet_pre_exit+0x1f3/0x440 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:160 [inline] cleanup_net+0x615/0xcc0 net/core/net_namespace.c:617 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 Freed by task 30834: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:241 __kasan_slab_free+0x34/0x70 mm/kasan/common.c:257 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2121 [inline] slab_free mm/slub.c:4299 [inline] kfree+0x14a/0x380 mm/slub.c:4409 device_release+0x99/0x1c0 kobject_cleanup lib/kobject.c:682 [inline] kobject_release lib/kobject.c:716 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1f5/0x430 lib/kobject.c:733 __nsim_dev_port_del+0x14b/0x1b0 drivers/net/netdevsim/dev.c:1425 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1437 [inline] nsim_dev_reload_destroy+0x28a/0x490 drivers/net/netdevsim/dev.c:1658 nsim_drv_remove+0x58/0x160 drivers/net/netdevsim/dev.c:1673 device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1295 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x580/0xa30 drivers/base/core.c:3814 device_unregister+0x20/0xc0 drivers/base/core.c:3855 nsim_bus_dev_del drivers/net/netdevsim/bus.c:317 [inline] del_device_store+0x363/0x480 drivers/net/netdevsim/bus.c:226 kernfs_fop_write_iter+0x3a4/0x500 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2085 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa81/0xcb0 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_64+0xf9/0x240 entry_SYSCALL_64_after_hwframe+0x6f/0x77 The buggy address belongs to the object at ffff888058fd4000 which belongs to the cache kmalloc-cg-8k of size 8192 The buggy address is located 2992 bytes inside of freed 8192-byte region [ffff888058fd4000, ffff888058fd6000) The buggy address belongs to the physical page: page:ffffea000163f400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58fd0 head:ffffea000163f400 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff88802db8e0c1 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888014c4f640 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000020002 00000001ffffffff ffff88802db8e0c1 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 49, tgid 49 (kworker/u4:3), ts 2128956858841, free_ts 2125254610013 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533 prep_new_page mm/page_alloc.c:1540 [inline] get_page_from_freelist+0x33ea/0x3580 mm/page_alloc.c:3311 __alloc_pages+0x255/0x680 mm/page_alloc.c:4567 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2190 allocate_slab mm/slub.c:2354 [inline] new_slab+0x84/0x2f0 mm/slub.c:2407 ___slab_alloc+0xd17/0x13e0 mm/slub.c:3540 __slab_alloc mm/slub.c:3625 [inline] __slab_alloc_node mm/slub.c:3678 [inline] slab_alloc_node mm/slub.c:3850 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc_node+0x2d6/0x4e0 mm/slub.c:3988 kmalloc_node include/linux/slab.h:610 [inline] kvmalloc_node+0x72/0x190 mm/util.c:617 kvmalloc include/linux/slab.h:728 [inline] kvzalloc include/linux/slab.h:736 [inline] alloc_netdev_mqs+0x8d/0xf70 net/core/dev.c:10871 nsim_create+0x7e/0x480 drivers/net/netdevsim/netdev.c:385 __nsim_dev_port_add+0x6c0/0xae0 drivers/net/netdevsim/dev.c:1390 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline] nsim_dev_reload_up+0x69b/0x8e0 drivers/net/netdevsim/dev.c:985 devlink_reload+0x473/0x870 net/devlink/dev.c:474 devlink_pernet_pre_exit+0x1f3/0x440 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:160 [inline] cleanup_net+0x615/0xcc0 net/core/net_namespace.c:617 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 page last free pid 49 tgid 49 stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1140 [inline] free_unref_page_prepare+0x968/0xa90 mm/page_alloc.c:2346 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2486 __slab_free+0x349/0x410 mm/slub.c:4211 qlink_free mm/kasan/quarantine.c:160 [inline] qlist_free_all+0x6d/0xd0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:324 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3813 [inline] slab_alloc_node mm/slub.c:3860 [inline] kmem_cache_alloc_node+0x18f/0x380 mm/slub.c:3903 __alloc_skb+0x181/0x420 net/core/skbuff.c:641 alloc_skb include/linux/skbuff.h:1296 [inline] nlmsg_new include/net/netlink.h:1010 [inline] inet6_netconf_notify_devconf+0xfc/0x1c0 net/ipv6/addrconf.c:586 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7245 [inline] addrconf_sysctl_unregister net/ipv6/addrconf.c:7269 [inline] addrconf_ifdown+0x187e/0x1bc0 net/ipv6/addrconf.c:3999 addrconf_notify+0x3cb/0x1020 notifier_call_chain+0x18f/0x3b0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:1987 [inline] call_netdevice_notifiers net/core/dev.c:2001 [inline] unregister_netdevice_many_notify+0xd96/0x16d0 net/core/dev.c:11127 unregister_netdevice_many net/core/dev.c:11185 [inline] default_device_exit_batch+0x970/0x9f0 net/core/dev.c:11662 ops_exit_list net/core/net_namespace.c:175 [inline] cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:637 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x913/0x1420 kernel/workqueue.c:2706 Memory state around the buggy address: ffff888058fd4a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888058fd4b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888058fd4b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888058fd4c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888058fd4c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================