ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 gprs0 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:2422 [inline] BUG: KASAN: use-after-free in netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4138 Read of size 8 at addr ffff888078d66440 by task aoe_tx0/1232 CPU: 0 PID: 1232 Comm: aoe_tx0 Not tainted 6.1.0-rc1-syzkaller-00117-gf8127476930b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 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:284 [inline] print_report+0x15e/0x45d mm/kasan/report.c:395 kasan_report+0xbb/0x1f0 mm/kasan/report.c:495 netdev_get_tx_queue include/linux/netdevice.h:2422 [inline] netdev_core_pick_tx+0x2be/0x2e0 net/core/dev.c:4138 __dev_queue_xmit+0x10a2/0x3b60 net/core/dev.c:4216 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 7260: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45 kasan_set_track+0x21/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] ____kasan_kmalloc mm/kasan/common.c:330 [inline] __kasan_kmalloc+0xa1/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc_node+0x57/0xc0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:602 [inline] kvmalloc_node+0x3f/0x1b0 mm/util.c:581 kvmalloc include/linux/slab.h:729 [inline] kvzalloc include/linux/slab.h:737 [inline] alloc_netdev_mqs+0x98/0x1180 net/core/dev.c:10588 gprs_attach+0x8b/0x560 net/phonet/pep-gprs.c:248 pep_setsockopt+0x3f7/0x530 net/phonet/pep.c:1009 __sys_setsockopt+0x2d6/0x690 net/socket.c:2252 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2260 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 7260: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45 kasan_set_track+0x21/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2a/0x40 mm/kasan/generic.c:511 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1724 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1750 slab_free mm/slub.c:3661 [inline] __kmem_cache_free+0xab/0x3b0 mm/slub.c:3674 kvfree+0x42/0x50 mm/util.c:627 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:10370 gprs_attach+0x21e/0x560 net/phonet/pep-gprs.c:287 pep_setsockopt+0x3f7/0x530 net/phonet/pep.c:1009 __sys_setsockopt+0x2d6/0x690 net/socket.c:2252 __do_sys_setsockopt net/socket.c:2263 [inline] __se_sys_setsockopt net/socket.c:2260 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2260 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 ffff888078d66000 which belongs to the cache kmalloc-cg-4k of size 4096 The buggy address is located 1088 bytes inside of 4096-byte region [ffff888078d66000, ffff888078d67000) The buggy address belongs to the physical page: page:ffffea0001e35800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78d60 head:ffffea0001e35800 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff888078e449c1 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea000183fa00 dead000000000003 ffff88801184c280 raw: 0000000000000000 0000000000040004 00000001ffffffff ffff888078e449c1 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 2969, tgid 2969 (udevd), ts 126514275316, free_ts 106579595926 prep_new_page mm/page_alloc.c:2538 [inline] get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4287 __alloc_pages+0x1c7/0x5a0 mm/page_alloc.c:5554 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2280 alloc_slab_page mm/slub.c:1794 [inline] allocate_slab+0x213/0x300 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0xa91/0x1400 mm/slub.c:3180 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279 slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x191/0x3e0 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node+0x47/0xc0 mm/slab_common.c:962 kmalloc_node include/linux/slab.h:602 [inline] kvmalloc_node+0x3f/0x1b0 mm/util.c:581 kvmalloc include/linux/slab.h:729 [inline] seq_buf_alloc fs/seq_file.c:38 [inline] seq_read_iter+0x7f7/0x1280 fs/seq_file.c:210 kernfs_fop_read_iter+0x542/0x7a0 fs/kernfs/file.c:275 call_read_iter include/linux/fs.h:2185 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x67d/0x930 fs/read_write.c:470 ksys_read+0x127/0x250 fs/read_write.c:613 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1458 [inline] free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1508 free_unref_page_prepare mm/page_alloc.c:3386 [inline] free_unref_page+0x19/0x4d0 mm/page_alloc.c:3482 free_pg_vec+0xf5/0x150 net/packet/af_packet.c:4304 packet_set_ring+0x6b2/0x1980 net/packet/af_packet.c:4523 packet_release+0x597/0xd00 net/packet/af_packet.c:3147 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x18/0x20 net/socket.c:1365 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16b/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff888078d66300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078d66380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888078d66400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888078d66480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888078d66500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================