ieee802154 phy1 wpan1: encryption failed: -22 ax0 selects TX queue 0, but real number of TX queues is 0 ================================================================== BUG: KASAN: use-after-free in netdev_get_tx_queue include/linux/netdevice.h:2367 [inline] BUG: KASAN: use-after-free in netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4061 Read of size 8 at addr ffff8880218e4440 by task aoe_tx0/1228 CPU: 1 PID: 1228 Comm: aoe_tx0 Not tainted 5.18.0-rc7-syzkaller-00121-g3d7285a335ed #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+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313 print_report mm/kasan/report.c:429 [inline] kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491 netdev_get_tx_queue include/linux/netdevice.h:2367 [inline] netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4061 __dev_queue_xmit+0x704/0x3920 net/core/dev.c:4136 tx+0x68/0xb0 drivers/block/aoe/aoenet.c:63 kthread+0x1e7/0x3b0 drivers/block/aoe/aoecmd.c:1229 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 2877: 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:436 [inline] ____kasan_kmalloc mm/kasan/common.c:515 [inline] ____kasan_kmalloc mm/kasan/common.c:474 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524 kmalloc_node include/linux/slab.h:604 [inline] kvmalloc_node+0x3e/0x190 mm/util.c:580 kvmalloc include/linux/slab.h:731 [inline] kvzalloc include/linux/slab.h:739 [inline] alloc_netdev_mqs+0x98/0x1100 net/core/dev.c:10491 mkiss_open+0xb2/0x700 drivers/net/hamradio/mkiss.c:699 tty_ldisc_open+0x9b/0x110 drivers/tty/tty_ldisc.c:433 tty_set_ldisc+0x2f1/0x680 drivers/tty/tty_ldisc.c:558 tiocsetd drivers/tty/tty_io.c:2433 [inline] tty_ioctl+0xae0/0x15e0 drivers/tty/tty_io.c:2714 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 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+0x44/0xae Freed by task 2881: 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:366 [inline] ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:200 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kfree+0xd6/0x4d0 mm/slub.c:4552 kvfree+0x42/0x50 mm/util.c:622 device_release+0x9f/0x240 drivers/base/core.c:2229 kobject_cleanup lib/kobject.c:673 [inline] kobject_release lib/kobject.c:704 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1c8/0x540 lib/kobject.c:721 put_device+0x1b/0x30 drivers/base/core.c:3512 free_netdev+0x438/0x620 net/core/dev.c:10636 mkiss_close+0x202/0x290 drivers/net/hamradio/mkiss.c:805 tty_ldisc_close+0x110/0x190 drivers/tty/tty_ldisc.c:456 tty_set_ldisc+0x214/0x680 drivers/tty/tty_ldisc.c:552 tiocsetd drivers/tty/tty_io.c:2433 [inline] tty_ioctl+0xae0/0x15e0 drivers/tty/tty_io.c:2714 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 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+0x44/0xae The buggy address belongs to the object at ffff8880218e4000 which belongs to the cache kmalloc-cg-4k of size 4096 The buggy address is located 1088 bytes inside of 4096-byte region [ffff8880218e4000, ffff8880218e5000) The buggy address belongs to the physical page: page:ffffea0000863800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x218e0 head:ffffea0000863800 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff888023297081 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea0000a2d400 dead000000000003 ffff888010c4c280 raw: 0000000000000000 0000000000040004 00000001ffffffff ffff888023297081 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 14635, tgid 14635 (udevd), ts 1310939484874, free_ts 1310933438249 prep_new_page mm/page_alloc.c:2441 [inline] get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4182 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5408 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272 alloc_slab_page mm/slub.c:1799 [inline] allocate_slab+0x26c/0x3c0 mm/slub.c:1944 new_slab mm/slub.c:2004 [inline] ___slab_alloc+0x8df/0xf20 mm/slub.c:3005 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3092 slab_alloc_node mm/slub.c:3183 [inline] __kmalloc_node+0x2cb/0x390 mm/slub.c:4458 kmalloc_node include/linux/slab.h:604 [inline] kvmalloc_node+0x3e/0x190 mm/util.c:580 kvmalloc include/linux/slab.h:731 [inline] seq_buf_alloc fs/seq_file.c:38 [inline] seq_read_iter+0x7f7/0x1280 fs/seq_file.c:210 proc_reg_read_iter+0x1fb/0x2d0 fs/proc/inode.c:300 call_read_iter include/linux/fs.h:2044 [inline] new_sync_read+0x384/0x5f0 fs/read_write.c:401 vfs_read+0x492/0x5d0 fs/read_write.c:482 ksys_read+0x127/0x250 fs/read_write.c:620 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+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+0x549/0xd20 mm/page_alloc.c:1406 free_unref_page_prepare mm/page_alloc.c:3328 [inline] free_unref_page+0x19/0x6a0 mm/page_alloc.c:3423 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2523 qlink_free mm/kasan/quarantine.c:157 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0xa2/0xc0 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] slab_alloc mm/slub.c:3225 [inline] __kmem_cache_alloc_lru mm/slub.c:3232 [inline] kmem_cache_alloc+0x204/0x3b0 mm/slub.c:3242 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags include/linux/audit.h:323 [inline] getname+0x8e/0xd0 fs/namei.c:217 do_sys_openat2+0xf5/0x4c0 fs/open.c:1207 do_sys_open fs/open.c:1229 [inline] __do_sys_openat fs/open.c:1245 [inline] __se_sys_openat fs/open.c:1240 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1240 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+0x44/0xae Memory state around the buggy address: ffff8880218e4300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880218e4380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880218e4400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880218e4480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880218e4500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================