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+0x652/0x38b0 net/core/dev.c:4169 Read of size 8 at addr ffff88808cb9cb90 by task aoe_tx0/1212 CPU: 0 PID: 1212 Comm: aoe_tx0 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0x163/0x540 mm/kasan/report.c:462 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 skb_update_prio net/core/dev.c:3889 [inline] __dev_queue_xmit+0x652/0x38b0 net/core/dev.c:4169 dev_queue_xmit include/linux/netdevice.h:3088 [inline] tx+0x6a/0x110 drivers/block/aoe/aoenet.c:63 kthread+0x238/0x440 drivers/block/aoe/aoecmd.c:1229 kthread+0x2b8/0x350 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Allocated by task 1740: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:196 [inline] __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc_node+0xb8/0x230 mm/slab_common.c:973 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x72/0x180 mm/util.c:604 kvmalloc include/linux/slab.h:697 [inline] kvzalloc include/linux/slab.h:705 [inline] alloc_netdev_mqs+0x89/0xf30 net/core/dev.c:10628 sixpack_open+0xea/0xa70 drivers/net/hamradio/6pack.c:558 tty_ldisc_open drivers/tty/tty_ldisc.c:432 [inline] tty_set_ldisc+0x37e/0x690 drivers/tty/tty_ldisc.c:557 tty_ioctl+0xbbf/0xda0 drivers/tty/tty_io.c:2713 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Freed by task 1730: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:521 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1781 [inline] slab_free_freelist_hook mm/slub.c:1807 [inline] slab_free mm/slub.c:3786 [inline] __kmem_cache_free+0x264/0x3c0 mm/slub.c:3799 device_release+0x95/0x1c0 kobject_cleanup lib/kobject.c:683 [inline] kobject_release lib/kobject.c:714 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x228/0x470 lib/kobject.c:731 tty_ldisc_kill+0xa6/0x1a0 drivers/tty/tty_ldisc.c:607 tty_ldisc_release+0x1a1/0x200 drivers/tty/tty_ldisc.c:775 tty_release_struct+0x2b/0xe0 drivers/tty/tty_io.c:1689 tty_release+0xcff/0x12b0 drivers/tty/tty_io.c:1860 __fput+0x3b7/0x890 fs/file_table.c:321 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff88808cb9c000 which belongs to the cache kmalloc-cg-8k of size 8192 The buggy address is located 2960 bytes inside of freed 8192-byte region [ffff88808cb9c000, ffff88808cb9e000) The buggy address belongs to the physical page: page:ffffea000232e600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cb98 head:ffffea000232e600 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff88807eb9c121 anon flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000010200 ffff88801244f640 0000000000000000 dead000000000001 raw: 0000000000000000 0000000080020002 00000001ffffffff ffff88807eb9c121 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 9, tgid 9 (kworker/0:1), ts 311268038901, free_ts 292467946971 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1731 prep_new_page mm/page_alloc.c:1738 [inline] get_page_from_freelist+0x321c/0x33a0 mm/page_alloc.c:3502 __alloc_pages+0x255/0x670 mm/page_alloc.c:4768 alloc_slab_page+0x6a/0x160 mm/slub.c:1851 allocate_slab mm/slub.c:1998 [inline] new_slab+0x84/0x2f0 mm/slub.c:2051 ___slab_alloc+0xa85/0x10a0 mm/slub.c:3192 __slab_alloc mm/slub.c:3291 [inline] __slab_alloc_node mm/slub.c:3344 [inline] slab_alloc_node mm/slub.c:3441 [inline] __kmem_cache_alloc_node+0x1b8/0x290 mm/slub.c:3490 __do_kmalloc_node mm/slab_common.c:965 [inline] __kmalloc_node+0xa7/0x230 mm/slab_common.c:973 kmalloc_node include/linux/slab.h:579 [inline] kvmalloc_node+0x72/0x180 mm/util.c:604 kvmalloc include/linux/slab.h:697 [inline] kvzalloc include/linux/slab.h:705 [inline] alloc_netdev_mqs+0x89/0xf30 net/core/dev.c:10628 usbnet_probe+0x196/0x2770 drivers/net/usb/usbnet.c:1698 usb_probe_interface+0x5c4/0xb00 drivers/usb/core/driver.c:396 really_probe+0x294/0xc30 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:800 driver_probe_device+0x50/0x420 drivers/base/dd.c:830 __device_attach_driver+0x2d3/0x520 drivers/base/dd.c:958 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+0x903/0xa30 mm/page_alloc.c:2564 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2659 discard_slab mm/slub.c:2097 [inline] __unfreeze_partials+0x1b1/0x1f0 mm/slub.c:2636 put_cpu_partial+0x116/0x180 mm/slub.c:2712 qlist_free_all+0x22/0x60 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x23/0x70 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook+0x68/0x3a0 mm/slab.h:711 slab_alloc_node mm/slub.c:3451 [inline] __kmem_cache_alloc_node+0x14c/0x290 mm/slub.c:3490 __do_kmalloc_node mm/slab_common.c:965 [inline] __kmalloc+0xa8/0x230 mm/slab_common.c:979 kmalloc include/linux/slab.h:563 [inline] tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x210/0x840 security/tomoyo/file.c:723 tomoyo_path_mknod+0x176/0x1b0 security/tomoyo/tomoyo.c:251 security_path_mknod+0xf5/0x150 security/security.c:1676 may_o_create fs/namei.c:3314 [inline] lookup_open fs/namei.c:3455 [inline] open_last_lookups fs/namei.c:3560 [inline] path_openat+0xc30/0x3170 fs/namei.c:3788 do_filp_open+0x234/0x490 fs/namei.c:3818 Memory state around the buggy address: ffff88808cb9ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88808cb9cb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88808cb9cb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88808cb9cc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88808cb9cc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================