Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. syzkaller login: [ 588.996309] audit: type=1400 audit(1596815269.255:8): avc: denied { execmem } for pid=6352 comm="syz-executor222" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 589.018719] IPVS: ftp: loaded support on port[0] = 21 [ 589.052767] IPVS: ftp: loaded support on port[0] = 21 [ 589.087148] IPVS: ftp: loaded support on port[0] = 21 [ 589.122479] IPVS: ftp: loaded support on port[0] = 21 [ 589.157171] IPVS: ftp: loaded support on port[0] = 21 [ 589.194060] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 592.163457] Bluetooth: hci0 command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 592.242973] Bluetooth: hci3 command 0x0409 tx timeout [ 592.249868] Bluetooth: hci1 command 0x0409 tx timeout [ 592.266471] Bluetooth: hci2 command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 592.323112] Bluetooth: hci5 command 0x0409 tx timeout [ 592.324055] Bluetooth: hci4 command 0x0409 tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 594.242809] Bluetooth: hci0 command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 594.323996] Bluetooth: hci2 command 0x041b tx timeout [ 594.329904] Bluetooth: hci1 command 0x041b tx timeout [ 594.346797] Bluetooth: hci3 command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 594.402738] Bluetooth: hci4 command 0x041b tx timeout [ 594.410555] Bluetooth: hci5 command 0x041b tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.322578] Bluetooth: hci0 command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.402757] Bluetooth: hci3 command 0x040f tx timeout [ 596.410566] Bluetooth: hci1 command 0x040f tx timeout [ 596.426995] Bluetooth: hci2 command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.482754] Bluetooth: hci5 command 0x040f tx timeout [ 596.489569] Bluetooth: hci4 command 0x040f tx timeout executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.542807] ================================================================== [ 596.550727] BUG: KASAN: use-after-free in init_timer_key+0x2e0/0x300 [ 596.557430] Write of size 8 at addr ffff88809addaa58 by task syz-executor222/9275 [ 596.565611] [ 596.567233] CPU: 0 PID: 9275 Comm: syz-executor222 Not tainted 4.14.193-syzkaller #0 [ 596.575496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 596.584852] Call Trace: [ 596.587947] dump_stack+0x1b2/0x283 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.591747] print_address_description.cold+0x54/0x1d3 [ 596.597379] kasan_report_error.cold+0x8a/0x194 [ 596.602139] ? init_timer_key+0x2e0/0x300 [ 596.606824] __asan_report_store8_noabort+0x68/0x70 [ 596.611885] ? init_timer_key+0x2e0/0x300 [ 596.616122] init_timer_key+0x2e0/0x300 [ 596.620349] l2cap_chan_create+0x26a/0x3c0 [ 596.624851] l2cap_sock_alloc.constprop.0+0x16c/0x210 [ 596.630040] l2cap_sock_create+0xdd/0x170 [ 596.634189] bt_sock_create+0x13b/0x280 [ 596.638242] __sock_create+0x303/0x620 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.642319] SyS_socket+0xd1/0x1b0 [ 596.645958] ? move_addr_to_kernel+0x60/0x60 [ 596.650610] ? fput+0xb/0x140 [ 596.653749] ? do_syscall_64+0x4c/0x640 [ 596.657734] ? move_addr_to_kernel+0x60/0x60 [ 596.662144] do_syscall_64+0x1d5/0x640 [ 596.667691] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 596.673228] RIP: 0033:0x446eb9 [ 596.676453] RSP: 002b:00007ffe91244118 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 596.685928] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446eb9 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.693313] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000001f [ 596.701311] RBP: 0000000000000003 R08: 0000000000000004 R09: 0000000000000000 [ 596.708847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 596.716640] R13: 0000000000407b10 R14: 0000000000000000 R15: 0000000000000000 [ 596.723918] [ 596.725542] Allocated by task 9275: [ 596.729301] kasan_kmalloc+0xeb/0x160 [ 596.733107] kmem_cache_alloc_trace+0x131/0x3d0 [ 596.738322] l2cap_chan_create+0x3e/0x3c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.742760] l2cap_sock_alloc.constprop.0+0x16c/0x210 [ 596.748441] l2cap_sock_create+0xdd/0x170 [ 596.752685] bt_sock_create+0x13b/0x280 [ 596.756661] __sock_create+0x303/0x620 [ 596.760547] SyS_socket+0xd1/0x1b0 [ 596.764434] do_syscall_64+0x1d5/0x640 [ 596.768315] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 596.773496] [ 596.775119] Freed by task 6491: [ 596.778573] kasan_slab_free+0xc3/0x1a0 [ 596.782554] kfree+0xc9/0x250 [ 596.785659] l2cap_chan_put+0x152/0x1b0 [ 596.789722] l2cap_recv_frame+0xb9a/0x95c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.793969] l2cap_recv_acldata+0x7a6/0x8b0 [ 596.799456] hci_rx_work+0x3d1/0x970 [ 596.805340] process_one_work+0x793/0x14a0 [ 596.810011] worker_thread+0x5cc/0xff0 [ 596.814141] kthread+0x30d/0x420 [ 596.817598] ret_from_fork+0x24/0x30 [ 596.821410] [ 596.823232] The buggy address belongs to the object at ffff88809adda900 [ 596.823232] which belongs to the cache kmalloc-2048 of size 2048 [ 596.836610] The buggy address is located 344 bytes inside of executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.836610] 2048-byte region [ffff88809adda900, ffff88809addb100) [ 596.848574] The buggy address belongs to the page: [ 596.854208] page:ffffea00026b7680 count:1 mapcount:0 mapping:ffff88809adda080 index:0x0 compound_mapcount: 0 [ 596.866481] flags: 0xfffe0000008100(slab|head) [ 596.871329] raw: 00fffe0000008100 ffff88809adda080 0000000000000000 0000000100000003 [ 596.880399] raw: ffffea0002672920 ffffea00027943a0 ffff88812fe52c40 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.889358] page dumped because: kasan: bad access detected [ 596.895068] [ 596.896694] Memory state around the buggy address: [ 596.901651] ffff88809adda900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.909016] ffff88809adda980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.916383] >ffff88809addaa00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.923874] ^ [ 596.930119] ffff88809addaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program executing program executing program executing program executing program executing program executing program [ 596.937587] ffff88809addab00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.945044] ================================================================== [ 596.952400] Disabling lock debugging due to kernel taint [ 596.957935] Kernel panic - not syncing: panic_on_warn set ... [ 596.957935] [ 596.965295] CPU: 0 PID: 9275 Comm: syz-executor222 Tainted: G B 4.14.193-syzkaller #0 [ 596.974815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 596.984165] Call Trace: [ 596.986752] dump_stack+0x1b2/0x283 [ 596.990455] panic+0x1f9/0x42d executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 596.993656] ? add_taint.cold+0x16/0x16 [ 596.997808] kasan_end_report+0x43/0x49 [ 597.002085] kasan_report_error.cold+0xa7/0x194 [ 597.006775] ? init_timer_key+0x2e0/0x300 [ 597.011188] __asan_report_store8_noabort+0x68/0x70 [ 597.016216] ? init_timer_key+0x2e0/0x300 [ 597.020380] init_timer_key+0x2e0/0x300 [ 597.024365] l2cap_chan_create+0x26a/0x3c0 [ 597.028601] l2cap_sock_alloc.constprop.0+0x16c/0x210 [ 597.033809] l2cap_sock_create+0xdd/0x170 [ 597.037963] bt_sock_create+0x13b/0x280 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 597.041950] __sock_create+0x303/0x620 [ 597.045836] SyS_socket+0xd1/0x1b0 [ 597.049768] ? move_addr_to_kernel+0x60/0x60 [ 597.054213] ? fput+0xb/0x140 [ 597.057317] ? do_syscall_64+0x4c/0x640 [ 597.061290] ? move_addr_to_kernel+0x60/0x60 [ 597.065700] do_syscall_64+0x1d5/0x640 [ 597.069765] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 597.075035] RIP: 0033:0x446eb9 [ 597.078223] RSP: 002b:00007ffe91244118 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 [ 597.085939] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446eb9 executing program executing program executing program executing program executing program executing program executing program executing program [ 597.093238] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000001f [ 597.100505] RBP: 0000000000000003 R08: 0000000000000004 R09: 0000000000000000 [ 597.107773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 597.115478] R13: 0000000000407b10 R14: 0000000000000000 R15: 0000000000000000 [ 597.124715] Kernel Offset: disabled [ 597.128330] Rebooting in 86400 seconds..