Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci3 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout ================================================================== Bluetooth: hci4 command 0x0419 tx timeout BUG: KASAN: slab-out-of-bounds in tipc_nametbl_lookup_dst_nodes+0x4ad/0x4c0 net/tipc/name_table.c:670 Read of size 4 at addr ffff8880a50c7750 by task syz-executor.2/9540 CPU: 1 PID: 9540 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:251 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:350 kasan_report mm/kasan/report.c:408 [inline] __asan_report_load4_noabort+0x68/0x70 mm/kasan/report.c:428 tipc_nametbl_lookup_dst_nodes+0x4ad/0x4c0 net/tipc/name_table.c:670 tipc_sendmcast+0x51a/0xac0 net/tipc/socket.c:768 __tipc_sendmsg+0xbab/0xf90 net/tipc/socket.c:975 tipc_sendmsg+0x4c/0x70 net/tipc/socket.c:923 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7faf05e0d0f9 RSP: 002b:00007faf0437f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007faf05f2cf80 RCX: 00007faf05e0d0f9 RDX: 0000000020000040 RSI: 00000000200026c0 RDI: 0000000000000004 RBP: 00007faf05e68ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7b05939f R14: 00007faf0437f300 R15: 0000000000022000 Allocated by task 8007: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x15a/0x400 mm/slab.c:3729 tipc_nameseq_create+0x53/0x290 net/tipc/name_table.c:152 tipc_nametbl_insert_publ+0xb37/0x14e0 net/tipc/name_table.c:476 tipc_nametbl_publish+0x211/0x3f0 net/tipc/name_table.c:701 tipc_sk_publish net/tipc/socket.c:2206 [inline] tipc_bind+0x2c4/0x600 net/tipc/socket.c:630 tipc_create_listen_sock net/tipc/server.c:338 [inline] tipc_open_listening_sock net/tipc/server.c:396 [inline] tipc_server_start+0x31f/0x880 net/tipc/server.c:611 tipc_topsrv_start net/tipc/subscr.c:382 [inline] tipc_topsrv_init_net+0x53b/0x730 net/tipc/subscr.c:397 ops_init+0xaa/0x3e0 net/core/net_namespace.c:118 setup_net+0x22f/0x530 net/core/net_namespace.c:298 copy_net_ns+0x19b/0x440 net/core/net_namespace.c:422 create_new_namespaces+0x375/0x720 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xa1/0x1d0 kernel/nsproxy.c:206 SYSC_unshare kernel/fork.c:2413 [inline] SyS_unshare+0x308/0x7f0 kernel/fork.c:2363 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 Freed by task 1: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kfree+0xc9/0x250 mm/slab.c:3815 dev_uevent+0x43a/0x730 drivers/base/core.c:924 kobject_uevent_env+0x5c7/0xf30 lib/kobject_uevent.c:431 device_add+0xa47/0x15c0 drivers/base/core.c:1932 snd_register_device+0x2ae/0x3d0 sound/core/sound.c:287 snd_pcm_dev_register+0x401/0x860 sound/core/pcm.c:1139 __snd_device_register sound/core/device.c:164 [inline] __snd_device_register sound/core/device.c:160 [inline] snd_device_register_all+0xf2/0x160 sound/core/device.c:212 snd_card_register+0xdd/0x5b0 sound/core/init.c:744 snd_dummy_probe+0xd12/0xfa0 sound/drivers/dummy.c:1125 platform_drv_probe+0xc1/0x1b0 drivers/base/platform.c:583 really_probe drivers/base/dd.c:409 [inline] driver_probe_device+0x753/0xc80 drivers/base/dd.c:552 __device_attach_driver+0x22a/0x360 drivers/base/dd.c:653 bus_for_each_drv+0x13b/0x1a0 drivers/base/bus.c:466 __device_attach+0x259/0x390 drivers/base/dd.c:710 bus_probe_device+0x1db/0x290 drivers/base/bus.c:526 device_add+0xa4f/0x15c0 drivers/base/core.c:1933 platform_device_add+0x28f/0x7a0 drivers/base/platform.c:421 platform_device_register_full+0x31c/0x490 drivers/base/platform.c:555 platform_device_register_resndata include/linux/platform_device.h:111 [inline] platform_device_register_simple include/linux/platform_device.h:140 [inline] alsa_card_dummy_init+0x167/0x239 sound/drivers/dummy.c:1206 do_one_initcall+0x88/0x210 init/main.c:830 do_initcall_level init/main.c:896 [inline] do_initcalls init/main.c:904 [inline] do_basic_setup init/main.c:922 [inline] kernel_init_freeable+0x565/0x626 init/main.c:1081 kernel_init+0xd/0x166 init/main.c:1006 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 The buggy address belongs to the object at ffff8880a50c7740 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 16 bytes inside of 32-byte region [ffff8880a50c7740, ffff8880a50c7760) The buggy address belongs to the page: page:ffffea00029431c0 count:1 mapcount:0 mapping:ffff8880a50c7000 index:0xffff8880a50c7fc1 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffff8880a50c7000 ffff8880a50c7fc1 000000010000003f raw: ffffea000296e9e0 ffffea0002703560 ffff88813fe741c0 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880a50c7600: 00 00 03 fc fc fc fc fc 06 fc fc fc fc fc fc fc ffff8880a50c7680: 06 fc fc fc fc fc fc fc 06 fc fc fc fc fc fc fc >ffff8880a50c7700: 04 fc fc fc fc fc fc fc 00 00 fc fc fc fc fc fc ^ ffff8880a50c7780: 00 01 fc fc fc fc fc fc fb fb fb fb fc fc fc fc ffff8880a50c7800: fb fb fb fb fc fc fc fc 06 fc fc fc fc fc fc fc ==================================================================