ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: use-after-free in __dev_queue_xmit+0x31a2/0x3650 net/core/dev.c:4190 net/core/dev.c:4190 Read of size 8 at addr ffff8880790a9c08 by task aoe_tx0/1228 CPU: 0 PID: 1228 Comm: aoe_tx0 Not tainted 5.16.0-rc5-syzkaller #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 lib/dump_stack.c:88 [inline] lib/dump_stack.c:106 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x8d/0x320 mm/kasan/report.c:247 mm/kasan/report.c:247 __kasan_report mm/kasan/report.c:433 [inline] __kasan_report mm/kasan/report.c:433 [inline] mm/kasan/report.c:450 kasan_report.cold+0x83/0xdf mm/kasan/report.c:450 mm/kasan/report.c:450 __dev_queue_xmit+0x31a2/0x3650 net/core/dev.c:4190 net/core/dev.c:4190 tx+0x68/0xb0 drivers/block/aoe/aoenet.c:63 drivers/block/aoe/aoenet.c:63 kthread+0x1e7/0x3b0 drivers/block/aoe/aoecmd.c:1230 drivers/block/aoe/aoecmd.c:1230 kthread+0x405/0x4f0 kernel/kthread.c:327 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 arch/x86/entry/entry_64.S:295 Allocated by task 21530: kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] ____kasan_kmalloc mm/kasan/common.c:472 [inline] kasan_set_track mm/kasan/common.c:46 [inline] mm/kasan/common.c:522 set_alloc_info mm/kasan/common.c:434 [inline] mm/kasan/common.c:522 ____kasan_kmalloc mm/kasan/common.c:513 [inline] mm/kasan/common.c:522 ____kasan_kmalloc mm/kasan/common.c:472 [inline] mm/kasan/common.c:522 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:522 mm/kasan/common.c:522 kmalloc_node include/linux/slab.h:613 [inline] kmalloc_node include/linux/slab.h:613 [inline] mm/util.c:587 kvmalloc_node+0x61/0x120 mm/util.c:587 mm/util.c:587 kvmalloc include/linux/slab.h:741 [inline] kvzalloc include/linux/slab.h:749 [inline] netif_alloc_netdev_queues net/core/dev.c:10191 [inline] kvmalloc include/linux/slab.h:741 [inline] net/core/dev.c:10886 kvzalloc include/linux/slab.h:749 [inline] net/core/dev.c:10886 netif_alloc_netdev_queues net/core/dev.c:10191 [inline] net/core/dev.c:10886 alloc_netdev_mqs+0x774/0xec0 net/core/dev.c:10886 net/core/dev.c:10886 rtnl_create_link+0x95a/0xb80 net/core/rtnetlink.c:3183 net/core/rtnetlink.c:3183 __rtnl_newlink+0xf73/0x1750 net/core/rtnetlink.c:3448 net/core/rtnetlink.c:3448 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3506 net/core/rtnetlink.c:3506 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571 net/core/rtnetlink.c:5571 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496 net/netlink/af_netlink.c:2496 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] net/netlink/af_netlink.c:1345 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg_nosec net/socket.c:704 [inline] net/socket.c:724 sock_sendmsg+0xcf/0x120 net/socket.c:724 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae Freed by task 21530: kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:46 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] ____kasan_slab_free mm/kasan/common.c:366 [inline] mm/kasan/common.c:374 ____kasan_slab_free mm/kasan/common.c:328 [inline] mm/kasan/common.c:374 __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:1723 [inline] kasan_slab_free include/linux/kasan.h:235 [inline] mm/slub.c:1749 slab_free_hook mm/slub.c:1723 [inline] mm/slub.c:1749 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1749 mm/slub.c:1749 slab_free mm/slub.c:3513 [inline] slab_free mm/slub.c:3513 [inline] mm/slub.c:4561 kfree+0xf6/0x560 mm/slub.c:4561 mm/slub.c:4561 kvfree+0x42/0x50 mm/util.c:620 mm/util.c:620 netif_free_tx_queues net/core/dev.c:10179 [inline] netif_free_tx_queues net/core/dev.c:10179 [inline] net/core/dev.c:10943 free_netdev+0xa7/0x5a0 net/core/dev.c:10943 net/core/dev.c:10943 netdev_run_todo+0x882/0xa80 net/core/dev.c:10632 net/core/dev.c:10632 rtnl_unlock net/core/rtnetlink.c:112 [inline] rtnl_unlock net/core/rtnetlink.c:112 [inline] net/core/rtnetlink.c:5572 rtnetlink_rcv_msg+0x420/0xb80 net/core/rtnetlink.c:5572 net/core/rtnetlink.c:5572 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496 net/netlink/af_netlink.c:2496 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] net/netlink/af_netlink.c:1345 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg_nosec net/socket.c:704 [inline] net/socket.c:724 sock_sendmsg+0xcf/0x120 net/socket.c:724 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff8880790a9c00 which belongs to the cache kmalloc-cg-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff8880790a9c00, ffff8880790a9e00) The buggy address belongs to the page: page:ffffea0001e42a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880790abc00 pfn:0x790a8 head:ffffea0001e42a00 order:2 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea0000738708 ffffea0001f49208 ffff888010c42dc0 raw: ffff8880790abc00 000000000010000e 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2975, ts 28321092312, free_ts 27493577443 prep_new_page mm/page_alloc.c:2418 [inline] prep_new_page mm/page_alloc.c:2418 [inline] mm/page_alloc.c:4149 get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4149 mm/page_alloc.c:4149 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5369 mm/page_alloc.c:5369 alloc_pages+0x1a7/0x300 mm/mempolicy.c:2191 mm/mempolicy.c:2191 alloc_slab_page mm/slub.c:1793 [inline] allocate_slab mm/slub.c:1930 [inline] alloc_slab_page mm/slub.c:1793 [inline] mm/slub.c:1993 allocate_slab mm/slub.c:1930 [inline] mm/slub.c:1993 new_slab+0x32d/0x4a0 mm/slub.c:1993 mm/slub.c:1993 ___slab_alloc+0x918/0xfe0 mm/slub.c:3022 mm/slub.c:3022 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3109 mm/slub.c:3109 slab_alloc_node mm/slub.c:3200 [inline] slab_alloc_node mm/slub.c:3200 [inline] mm/slub.c:4956 __kmalloc_node_track_caller+0x2cb/0x360 mm/slub.c:4956 mm/slub.c:4956 kmalloc_reserve net/core/skbuff.c:354 [inline] kmalloc_reserve net/core/skbuff.c:354 [inline] net/core/skbuff.c:426 __alloc_skb+0xde/0x340 net/core/skbuff.c:426 net/core/skbuff.c:426 alloc_skb include/linux/skbuff.h:1127 [inline] alloc_skb include/linux/skbuff.h:1127 [inline] net/core/skbuff.c:6078 alloc_skb_with_frags+0x93/0x620 net/core/skbuff.c:6078 net/core/skbuff.c:6078 sock_alloc_send_pskb+0x783/0x910 net/core/sock.c:2575 net/core/sock.c:2575 unix_dgram_sendmsg+0x3ec/0x1950 net/unix/af_unix.c:1811 net/unix/af_unix.c:1811 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg_nosec net/socket.c:704 [inline] net/socket.c:724 sock_sendmsg+0xcf/0x120 net/socket.c:724 net/socket.c:724 sock_write_iter+0x289/0x3c0 net/socket.c:1057 net/socket.c:1057 call_write_iter include/linux/fs.h:2162 [inline] call_write_iter include/linux/fs.h:2162 [inline] fs/read_write.c:503 new_sync_write+0x429/0x660 fs/read_write.c:503 fs/read_write.c:503 vfs_write+0x7cd/0xae0 fs/read_write.c:590 fs/read_write.c:590 ksys_write+0x1ee/0x250 fs/read_write.c:643 fs/read_write.c:643 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1338 [inline] reset_page_owner include/linux/page_owner.h:24 [inline] mm/page_alloc.c:1389 free_pages_prepare mm/page_alloc.c:1338 [inline] mm/page_alloc.c:1389 free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1389 mm/page_alloc.c:1389 free_unref_page_prepare mm/page_alloc.c:3309 [inline] free_unref_page_prepare mm/page_alloc.c:3309 [inline] mm/page_alloc.c:3388 free_unref_page+0x19/0x690 mm/page_alloc.c:3388 mm/page_alloc.c:3388 qlink_free mm/kasan/quarantine.c:146 [inline] qlink_free mm/kasan/quarantine.c:146 [inline] mm/kasan/quarantine.c:165 qlist_free_all+0x5a/0xc0 mm/kasan/quarantine.c:165 mm/kasan/quarantine.c:165 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272 mm/kasan/quarantine.c:272 __kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:444 mm/kasan/common.c:444 kasan_slab_alloc include/linux/kasan.h:259 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3234 [inline] slab_alloc mm/slub.c:3242 [inline] kasan_slab_alloc include/linux/kasan.h:259 [inline] mm/slub.c:3247 slab_post_alloc_hook mm/slab.h:519 [inline] mm/slub.c:3247 slab_alloc_node mm/slub.c:3234 [inline] mm/slub.c:3247 slab_alloc mm/slub.c:3242 [inline] mm/slub.c:3247 kmem_cache_alloc+0x142/0x3a0 mm/slub.c:3247 mm/slub.c:3247 shmem_alloc_inode+0x18/0x40 mm/shmem.c:3717 mm/shmem.c:3717 alloc_inode+0x61/0x230 fs/inode.c:235 fs/inode.c:235 new_inode_pseudo fs/inode.c:944 [inline] new_inode_pseudo fs/inode.c:944 [inline] fs/inode.c:973 new_inode+0x27/0x2f0 fs/inode.c:973 fs/inode.c:973 shmem_get_inode+0x195/0xc60 mm/shmem.c:2289 mm/shmem.c:2289 shmem_mknod+0x5a/0x1f0 mm/shmem.c:2828 mm/shmem.c:2828 lookup_open.isra.0+0xfe4/0x13d0 fs/namei.c:3280 fs/namei.c:3280 open_last_lookups fs/namei.c:3350 [inline] open_last_lookups fs/namei.c:3350 [inline] fs/namei.c:3556 path_openat+0x9b8/0x2750 fs/namei.c:3556 fs/namei.c:3556 do_filp_open+0x1aa/0x400 fs/namei.c:3586 fs/namei.c:3586 do_sys_openat2+0x16d/0x4d0 fs/open.c:1212 fs/open.c:1212 do_sys_open fs/open.c:1228 [inline] __do_sys_openat fs/open.c:1244 [inline] __se_sys_openat fs/open.c:1239 [inline] do_sys_open fs/open.c:1228 [inline] fs/open.c:1239 __do_sys_openat fs/open.c:1244 [inline] fs/open.c:1239 __se_sys_openat fs/open.c:1239 [inline] fs/open.c:1239 __x64_sys_openat+0x13f/0x1f0 fs/open.c:1239 fs/open.c:1239 Memory state around the buggy address: ffff8880790a9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880790a9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880790a9c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880790a9c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880790a9d00: fb 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