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:3855 [inline] BUG: KASAN: slab-use-after-free in __dev_queue_xmit+0x390c/0x3d60 net/core/dev.c:4264 Read of size 8 at addr ffff888029902bb0 by task aoe_tx0/1230 CPU: 0 PID: 1230 Comm: aoe_tx0 Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report+0xda/0x110 mm/kasan/report.c:588 skb_update_prio net/core/dev.c:3855 [inline] __dev_queue_xmit+0x390c/0x3d60 net/core/dev.c:4264 dev_queue_xmit include/linux/netdevice.h:3082 [inline] tx+0x76/0x100 drivers/block/aoe/aoenet.c:63 kthread+0x1e4/0x3b0 drivers/block/aoe/aoecmd.c:1229 kthread+0x33a/0x430 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Allocated by task 32630: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1023 [inline] __kmalloc_node+0x63/0x110 mm/slab_common.c:1030 kmalloc_node include/linux/slab.h:619 [inline] kvmalloc_node+0x99/0x1a0 mm/util.c:607 kvmalloc include/linux/slab.h:737 [inline] kvzalloc include/linux/slab.h:745 [inline] alloc_netdev_mqs+0x9b/0x1290 net/core/dev.c:10678 sl_alloc drivers/net/slip/slip.c:756 [inline] slip_open+0x35d/0x1130 drivers/net/slip/slip.c:817 tty_ldisc_open+0x98/0x100 drivers/tty/tty_ldisc.c:432 tty_set_ldisc+0x2f4/0x690 drivers/tty/tty_ldisc.c:557 tiocsetd drivers/tty/tty_io.c:2431 [inline] tty_ioctl+0xbe3/0x1580 drivers/tty/tty_io.c:2712 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl fs/ioctl.c:857 [inline] __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Freed by task 32632: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3822 kvfree+0x47/0x50 mm/util.c:653 device_release+0xa1/0x240 drivers/base/core.c:2484 kobject_cleanup lib/kobject.c:682 [inline] kobject_release lib/kobject.c:716 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1d0/0x440 lib/kobject.c:733 netdev_run_todo+0x7dd/0x11d0 net/core/dev.c:10450 slip_close+0x165/0x1c0 drivers/net/slip/slip.c:906 tty_ldisc_close+0x111/0x190 drivers/tty/tty_ldisc.c:455 tty_ldisc_kill+0x94/0x150 drivers/tty/tty_ldisc.c:607 tty_ldisc_release+0x17b/0x2a0 drivers/tty/tty_ldisc.c:775 tty_release_struct+0x23/0xe0 drivers/tty/tty_io.c:1688 tty_release+0xe23/0x1410 drivers/tty/tty_io.c:1859 __fput+0x3f7/0xa70 fs/file_table.c:384 __fput_sync+0x47/0x50 fs/file_table.c:465 __do_sys_close fs/open.c:1572 [inline] __se_sys_close fs/open.c:1557 [inline] __x64_sys_close+0x87/0xf0 fs/open.c:1557 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff888029902000 which belongs to the cache kmalloc-cg-4k of size 4096 The buggy address is located 2992 bytes inside of freed 4096-byte region [ffff888029902000, ffff888029903000) The buggy address belongs to the physical page: page:ffffea0000a64000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29900 head:ffffea0000a64000 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff888058bf71c1 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888012c4f500 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000040004 00000001ffffffff ffff888058bf71c1 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 5065, tgid 5065 (syz-executor.4), ts 81512690287, free_ts 81469402278 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1530 prep_new_page mm/page_alloc.c:1537 [inline] get_page_from_freelist+0xf17/0x2e50 mm/page_alloc.c:3200 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4456 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2298 alloc_slab_page mm/slub.c:1870 [inline] allocate_slab+0x251/0x380 mm/slub.c:2017 new_slab mm/slub.c:2070 [inline] ___slab_alloc+0x8be/0x1570 mm/slub.c:3223 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322 __slab_alloc_node mm/slub.c:3375 [inline] slab_alloc_node mm/slub.c:3468 [inline] __kmem_cache_alloc_node+0x137/0x350 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1022 [inline] __kmalloc_node_track_caller+0x50/0x100 mm/slab_common.c:1043 kmemdup+0x29/0x60 mm/util.c:131 kmemdup include/linux/fortify-string.h:765 [inline] __addrconf_sysctl_register+0xc2/0x3f0 net/ipv6/addrconf.c:7120 addrconf_sysctl_register net/ipv6/addrconf.c:7186 [inline] addrconf_sysctl_register+0x133/0x1d0 net/ipv6/addrconf.c:7175 ipv6_add_dev+0x9f6/0x13d0 net/ipv6/addrconf.c:451 addrconf_notify+0x55c/0x1920 net/ipv6/addrconf.c:3589 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1970 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1130 [inline] free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2342 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2435 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3478 [inline] __kmem_cache_alloc_node+0x19b/0x350 mm/slub.c:3517 kmalloc_trace+0x25/0xe0 mm/slab_common.c:1114 kmalloc include/linux/slab.h:599 [inline] rtnl_newlink+0x49/0xa0 net/core/rtnetlink.c:3714 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6444 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 __sys_sendto+0x255/0x340 net/socket.c:2176 __do_sys_sendto net/socket.c:2188 [inline] __se_sys_sendto net/socket.c:2184 [inline] __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2184 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 Memory state around the buggy address: ffff888029902a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888029902b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888029902b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888029902c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888029902c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================