ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: use-after-free in skb_update_prio net/core/dev.c:3843 [inline] BUG: KASAN: use-after-free in __dev_queue_xmit+0x5f2/0x3640 net/core/dev.c:4108 Read of size 8 at addr ffff888040d14c10 by task aoe_tx0/1226 CPU: 1 PID: 1226 Comm: aoe_tx0 Not tainted 5.18.0-rc6-syzkaller-00153-g2fe1020d73ca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x65/0x4b0 mm/kasan/report.c:313 print_report+0xf4/0x210 mm/kasan/report.c:429 kasan_report+0xfb/0x130 mm/kasan/report.c:491 skb_update_prio net/core/dev.c:3843 [inline] __dev_queue_xmit+0x5f2/0x3640 net/core/dev.c:4108 tx+0x6f/0x110 drivers/block/aoe/aoenet.c:63 kthread+0x241/0x450 drivers/block/aoe/aoecmd.c:1229 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Allocated by task 7561: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] ____kasan_kmalloc+0xdc/0x110 mm/kasan/common.c:515 kasan_kmalloc include/linux/kasan.h:234 [inline] __kmalloc_node+0x262/0x400 mm/slub.c:4462 kmalloc_node include/linux/slab.h:604 [inline] kvmalloc_node+0x6e/0x160 mm/util.c:580 kvmalloc include/linux/slab.h:731 [inline] kvzalloc include/linux/slab.h:739 [inline] alloc_netdev_mqs+0x85/0xe10 net/core/dev.c:10491 rtnl_create_link+0x2db/0x9e0 net/core/rtnetlink.c:3204 __rtnl_newlink net/core/rtnetlink.c:3473 [inline] rtnl_newlink+0x13b7/0x2070 net/core/rtnetlink.c:3531 rtnetlink_rcv_msg+0x92f/0xe80 net/core/rtnetlink.c:5993 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmsg+0x27e/0x370 net/socket.c:2496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae Freed by task 7561: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0xd8/0x110 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kfree+0xc6/0x210 mm/slub.c:4552 device_release+0x98/0x1c0 kobject_cleanup+0x235/0x470 lib/kobject.c:673 netdev_run_todo+0xf7c/0x1070 net/core/dev.c:10274 rtnl_unlock net/core/rtnetlink.c:112 [inline] rtnetlink_rcv_msg+0x936/0xe80 net/core/rtnetlink.c:5994 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmsg+0x27e/0x370 net/socket.c:2496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff888040d14000 which belongs to the cache kmalloc-cg-4k of size 4096 The buggy address is located 3088 bytes inside of 4096-byte region [ffff888040d14000, ffff888040d15000) The buggy address belongs to the physical page: page:ffffea0001034400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x40d10 head:ffffea0001034400 order:3 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 dead000000000001 ffff88801144c280 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3681, tgid 3681 (udevd), ts 1632639133450, free_ts 1632618204070 prep_new_page mm/page_alloc.c:2441 [inline] get_page_from_freelist+0x72e/0x7a0 mm/page_alloc.c:4182 __alloc_pages+0x26c/0x5f0 mm/page_alloc.c:5408 alloc_slab_page+0x70/0xf0 mm/slub.c:1799 allocate_slab+0x5e/0x560 mm/slub.c:1944 new_slab mm/slub.c:2004 [inline] ___slab_alloc+0x41e/0xcd0 mm/slub.c:3005 __slab_alloc mm/slub.c:3092 [inline] slab_alloc_node mm/slub.c:3183 [inline] __kmalloc_node+0x2c0/0x400 mm/slub.c:4458 kmalloc_node include/linux/slab.h:604 [inline] kvmalloc_node+0x6e/0x160 mm/util.c:580 kvmalloc include/linux/slab.h:731 [inline] seq_buf_alloc fs/seq_file.c:38 [inline] seq_read_iter+0x1f6/0xd30 fs/seq_file.c:210 call_read_iter include/linux/fs.h:2044 [inline] new_sync_read fs/read_write.c:401 [inline] vfs_read+0xa01/0xd10 fs/read_write.c:482 ksys_read+0x19b/0x2c0 fs/read_write.c:620 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1356 [inline] free_pcp_prepare+0x812/0x900 mm/page_alloc.c:1406 free_unref_page_prepare mm/page_alloc.c:3328 [inline] free_unref_page+0x7d/0x390 mm/page_alloc.c:3423 free_slab mm/slub.c:2043 [inline] discard_slab mm/slub.c:2049 [inline] __unfreeze_partials+0x1ab/0x200 mm/slub.c:2523 put_cpu_partial+0x116/0x180 mm/slub.c:2599 do_slab_free mm/slub.c:3498 [inline] ___cache_free+0x118/0x1a0 mm/slub.c:3517 qlist_free_all+0x2b/0x70 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x169/0x180 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:446 kasan_slab_alloc include/linux/kasan.h:224 [inline] slab_post_alloc_hook mm/slab.h:749 [inline] slab_alloc_node mm/slub.c:3217 [inline] kmem_cache_alloc_node+0x1cd/0x340 mm/slub.c:3267 __alloc_skb+0xd2/0x590 net/core/skbuff.c:414 alloc_skb_fclone include/linux/skbuff.h:1350 [inline] tcp_stream_alloc_skb+0x67/0x480 net/ipv4/tcp.c:863 tcp_sendmsg_locked+0xd64/0x3fc0 net/ipv4/tcp.c:1298 tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1449 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] sock_write_iter+0x37c/0x4e0 net/socket.c:1061 call_write_iter include/linux/fs.h:2050 [inline] new_sync_write fs/read_write.c:504 [inline] vfs_write+0xa22/0xd40 fs/read_write.c:591 ksys_write+0x19b/0x2c0 fs/read_write.c:644 Memory state around the buggy address: ffff888040d14b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888040d14b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888040d14c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888040d14c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888040d14d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================