ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: use-after-free in skb_update_prio net/core/dev.c:3901 [inline] BUG: KASAN: use-after-free in __dev_queue_xmit+0x36c7/0x3ad0 net/core/dev.c:4181 Read of size 8 at addr ffff888035b58b90 by task aoe_tx0/1238 CPU: 1 PID: 1238 Comm: aoe_tx0 Not tainted 6.0.0-rc4-syzkaller-01126-gc29b06821590 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022 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 skb_update_prio net/core/dev.c:3901 [inline] __dev_queue_xmit+0x36c7/0x3ad0 net/core/dev.c:4181 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 20040: 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:10601 ieee802154_if_add+0xca/0x1120 net/mac802154/iface.c:624 ieee802154_add_iface_deprecated+0x3e/0x60 net/mac802154/cfg.c:26 rdev_add_virtual_intf_deprecated net/ieee802154/rdev-ops.h:16 [inline] ieee802154_add_iface+0x43f/0xa00 net/ieee802154/nl-phy.c:218 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:778 [inline] genl_rcv_msg+0x3b7/0x630 net/netlink/genetlink.c:795 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:806 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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 Freed by task 20040: 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 netdev_run_todo+0x75e/0x1100 net/core/dev.c:10383 ieee802154_add_iface+0x8cc/0xa00 net/ieee802154/nl-phy.c:258 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:778 [inline] genl_rcv_msg+0x3b7/0x630 net/netlink/genetlink.c:795 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:806 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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 ffff888035b58000 which belongs to the cache kmalloc-cg-8k of size 8192 The buggy address is located 2960 bytes inside of 8192-byte region [ffff888035b58000, ffff888035b5a000) The buggy address belongs to the physical page: page:ffffea0000d6d600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x35b58 head:ffffea0000d6d600 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff888035f5bf61 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 dead000000000122 ffff88801184c3c0 raw: 0000000000000000 0000000080020002 00000001ffffffff ffff888035f5bf61 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 20040, tgid 20039 (syz-executor.0), ts 1238662252368, free_ts 829015922141 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:10601 ieee802154_if_add+0xca/0x1120 net/mac802154/iface.c:624 ieee802154_add_iface_deprecated+0x3e/0x60 net/mac802154/cfg.c:26 rdev_add_virtual_intf_deprecated net/ieee802154/rdev-ops.h:16 [inline] ieee802154_add_iface+0x43f/0xa00 net/ieee802154/nl-phy.c:218 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:778 [inline] genl_rcv_msg+0x3b7/0x630 net/netlink/genetlink.c:795 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:806 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 bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:118 [inline] bpf_ringbuf_alloc kernel/bpf/ringbuf.c:134 [inline] ringbuf_map_alloc kernel/bpf/ringbuf.c:173 [inline] ringbuf_map_alloc+0x623/0x770 kernel/bpf/ringbuf.c:149 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create kernel/bpf/syscall.c:1105 [inline] __sys_bpf+0xa82/0x5f80 kernel/bpf/syscall.c:4938 __do_sys_bpf kernel/bpf/syscall.c:5060 [inline] __se_sys_bpf kernel/bpf/syscall.c:5058 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5058 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 Memory state around the buggy address: ffff888035b58a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888035b58b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888035b58b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888035b58c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888035b58c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb 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