last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts. 2024/06/16 08:55:21 fuzzer started 2024/06/16 08:55:21 dialing manager at 10.128.0.163:30022 [ 51.250583][ T3545] cgroup: Unknown subsys name 'net' [ 51.393582][ T3545] cgroup: Unknown subsys name 'rlimit' 2024/06/16 08:55:23 starting 5 executor processes [ 52.537301][ T3554] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 53.184359][ T3569] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.192864][ T3569] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 53.200953][ T3569] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.208505][ T3569] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 53.219584][ T3571] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.228353][ T3573] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 53.235999][ T3573] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 53.244990][ T3573] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 53.252675][ T3573] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 53.260285][ T3573] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 53.263939][ T3581] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 53.268657][ T3573] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 53.275494][ T3581] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 53.282096][ T3573] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 53.289451][ T3581] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.297743][ T3573] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 53.303035][ T3581] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 53.310339][ T3573] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 53.317633][ T3581] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 53.323804][ T3573] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 53.330407][ T3581] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 53.344636][ T3581] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.345756][ T3573] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 53.352131][ T3581] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 53.365822][ T3581] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 53.367156][ T3567] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.381225][ T3567] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 53.397378][ T47] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 53.404693][ T3567] ================================================================== [ 53.411631][ T3581] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 53.412749][ T3567] BUG: KASAN: use-after-free in kfree_skb_reason+0x15b/0x390 [ 53.427036][ T3567] Read of size 8 at addr ffff888018644710 by task kworker/u5:1/3567 [ 53.435014][ T3567] [ 53.437340][ T3567] CPU: 1 PID: 3567 Comm: kworker/u5:1 Not tainted 6.1.93-syzkaller #0 [ 53.445475][ T3567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 53.455528][ T3567] Workqueue: hci0 hci_rx_work [ 53.460203][ T3567] Call Trace: [ 53.463472][ T3567] [ 53.466390][ T3567] dump_stack_lvl+0x1e3/0x2cb [ 53.471063][ T3567] ? nf_tcp_handle_invalid+0x642/0x642 [ 53.476516][ T3567] ? panic+0x764/0x764 [ 53.480572][ T3567] ? _printk+0xd1/0x111 [ 53.484712][ T3567] ? __virt_addr_valid+0x17f/0x520 [ 53.489813][ T3567] ? __virt_addr_valid+0x17f/0x520 [ 53.494913][ T3567] print_report+0x15f/0x4f0 [ 53.499400][ T3567] ? __virt_addr_valid+0x17f/0x520 [ 53.504501][ T3567] ? __virt_addr_valid+0x17f/0x520 [ 53.509600][ T3567] ? __virt_addr_valid+0x44a/0x520 [ 53.514701][ T3567] ? __phys_addr+0xb6/0x170 [ 53.519197][ T3567] ? kfree_skb_reason+0x15b/0x390 [ 53.524224][ T3567] kasan_report+0x136/0x160 [ 53.528714][ T3567] ? skb_release_head_state+0x1a4/0x230 [ 53.534251][ T3567] ? kfree_skb_reason+0x15b/0x390 [ 53.539269][ T3567] ? hci_req_sync_complete+0xee/0x280 [ 53.544623][ T3567] kfree_skb_reason+0x15b/0x390 [ 53.549466][ T3567] hci_req_sync_complete+0xee/0x280 [ 53.554654][ T3567] ? hci_req_run_skb+0x20/0x20 [ 53.559401][ T3567] hci_event_packet+0xc49/0x1510 [ 53.564333][ T3567] ? hci_remote_features_evt+0xab0/0xab0 [ 53.569956][ T3567] ? bis_list+0x290/0x290 [ 53.574274][ T3567] ? do_raw_spin_unlock+0x137/0x8a0 [ 53.579459][ T3567] ? hci_req_run_skb+0x20/0x20 [ 53.584208][ T3567] ? kcov_remote_start+0x4b5/0x7d0 [ 53.589312][ T3567] ? warn_bogus_irq_restore+0x20/0x20 [ 53.594670][ T3567] ? hci_send_to_monitor+0x99/0x4d0 [ 53.599857][ T3567] hci_rx_work+0x3cd/0xce0 [ 53.604260][ T3567] ? do_raw_spin_unlock+0x137/0x8a0 [ 53.609444][ T3567] ? process_one_work+0x7a9/0x11d0 [ 53.614542][ T3567] process_one_work+0x8a9/0x11d0 [ 53.619471][ T3567] ? worker_detach_from_pool+0x260/0x260 [ 53.625090][ T3567] ? _raw_spin_lock_irqsave+0x120/0x120 [ 53.630623][ T3567] ? kthread_data+0x4e/0xc0 [ 53.635116][ T3567] ? wq_worker_running+0x97/0x190 [ 53.640134][ T3567] worker_thread+0xa47/0x1200 [ 53.644799][ T3567] ? __sched_text_start+0x8/0x8 [ 53.649649][ T3567] kthread+0x28d/0x320 [ 53.653698][ T3567] ? worker_clr_flags+0x190/0x190 [ 53.658707][ T3567] ? kthread_blkcg+0xd0/0xd0 [ 53.663281][ T3567] ret_from_fork+0x1f/0x30 [ 53.667691][ T3567] [ 53.670693][ T3567] [ 53.673003][ T3567] Allocated by task 3567: [ 53.677310][ T3567] kasan_set_track+0x4b/0x70 [ 53.681892][ T3567] __kasan_slab_alloc+0x65/0x70 [ 53.686722][ T3567] slab_post_alloc_hook+0x52/0x3a0 [ 53.691819][ T3567] kmem_cache_alloc+0x10c/0x2d0 [ 53.696653][ T3567] skb_clone+0x1e5/0x360 [ 53.700878][ T3567] hci_cmd_work+0x296/0x660 [ 53.705363][ T3567] process_one_work+0x8a9/0x11d0 [ 53.710287][ T3567] worker_thread+0xa47/0x1200 [ 53.714948][ T3567] kthread+0x28d/0x320 [ 53.718997][ T3567] ret_from_fork+0x1f/0x30 [ 53.723400][ T3567] [ 53.725704][ T3567] Freed by task 3566: [ 53.729659][ T3567] kasan_set_track+0x4b/0x70 [ 53.734246][ T3567] kasan_save_free_info+0x27/0x40 [ 53.739253][ T3567] ____kasan_slab_free+0xd6/0x120 [ 53.744269][ T3567] kmem_cache_free+0x292/0x510 [ 53.749017][ T3567] __hci_req_sync+0x626/0x940 [ 53.753685][ T3567] hci_req_sync+0xa5/0xc0 [ 53.758004][ T3567] hci_dev_cmd+0x2fc/0xa30 [ 53.762406][ T3567] sock_do_ioctl+0x152/0x450 [ 53.766979][ T3567] sock_ioctl+0x47f/0x770 [ 53.771290][ T3567] __se_sys_ioctl+0xf1/0x160 [ 53.775874][ T3567] do_syscall_64+0x3b/0xb0 [ 53.780278][ T3567] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.786158][ T3567] [ 53.788463][ T3567] The buggy address belongs to the object at ffff888018644640 [ 53.788463][ T3567] which belongs to the cache skbuff_head_cache of size 240 [ 53.803017][ T3567] The buggy address is located 208 bytes inside of [ 53.803017][ T3567] 240-byte region [ffff888018644640, ffff888018644730) [ 53.816271][ T3567] [ 53.818577][ T3567] The buggy address belongs to the physical page: [ 53.824974][ T3567] page:ffffea0000619100 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888018644140 pfn:0x18644 [ 53.836413][ T3567] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 53.843947][ T3567] raw: 00fff00000000200 ffffea00006af880 dead000000000004 ffff888014654500 [ 53.852512][ T3567] raw: ffff888018644140 00000000800c000a 00000001ffffffff 0000000000000000 [ 53.861070][ T3567] page dumped because: kasan: bad access detected [ 53.867464][ T3567] page_owner tracks the page as allocated [ 53.873157][ T3567] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3003, tgid 3003 (udevadm), ts 14729401349, free_ts 14683269330 [ 53.891023][ T3567] post_alloc_hook+0x18d/0x1b0 [ 53.895774][ T3567] get_page_from_freelist+0x31a1/0x3320 [ 53.901303][ T3567] __alloc_pages+0x28d/0x770 [ 53.905878][ T3567] alloc_slab_page+0x6a/0x150 [ 53.910541][ T3567] new_slab+0x84/0x2d0 [ 53.914595][ T3567] ___slab_alloc+0xc20/0x1270 [ 53.919257][ T3567] kmem_cache_alloc_node+0x1cf/0x310 [ 53.924527][ T3567] __alloc_skb+0xde/0x670 [ 53.928846][ T3567] alloc_uevent_skb+0x74/0x220 [ 53.933597][ T3567] kobject_uevent_net_broadcast+0x2e5/0x560 [ 53.939485][ T3567] kobject_uevent_env+0x576/0x8c0 [ 53.944512][ T3567] kobject_synth_uevent+0x4eb/0xae0 [ 53.949696][ T3567] uevent_store+0x47/0x70 [ 53.954029][ T3567] kernfs_fop_write_iter+0x3a2/0x4f0 [ 53.959304][ T3567] vfs_write+0x7ae/0xba0 [ 53.963527][ T3567] ksys_write+0x19c/0x2c0 [ 53.967835][ T3567] page last free stack trace: [ 53.972486][ T3567] free_unref_page_prepare+0xf63/0x1120 [ 53.978026][ T3567] free_unref_page+0x33/0x3e0 [ 53.982694][ T3567] __unfreeze_partials+0x1b7/0x210 [ 53.987795][ T3567] put_cpu_partial+0x17b/0x250 [ 53.992547][ T3567] qlist_free_all+0x76/0xe0 [ 53.997039][ T3567] kasan_quarantine_reduce+0x156/0x170 [ 54.002488][ T3567] __kasan_slab_alloc+0x1f/0x70 [ 54.007326][ T3567] slab_post_alloc_hook+0x52/0x3a0 [ 54.012428][ T3567] __kmem_cache_alloc_node+0x137/0x260 [ 54.017878][ T3567] __kmalloc+0xa1/0x230 [ 54.022018][ T3567] kernfs_fop_write_iter+0x157/0x4f0 [ 54.027293][ T3567] vfs_write+0x7ae/0xba0 [ 54.031520][ T3567] ksys_write+0x19c/0x2c0 [ 54.035831][ T3567] do_syscall_64+0x3b/0xb0 [ 54.040244][ T3567] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.046130][ T3567] [ 54.048437][ T3567] Memory state around the buggy address: [ 54.054045][ T3567] ffff888018644600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 54.062086][ T3567] ffff888018644680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.070128][ T3567] >ffff888018644700: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc [ 54.078168][ T3567] ^ 2024/06/16 08:55:24 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 54.082741][ T3567] ffff888018644780: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 54.090778][ T3567] ffff888018644800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc [ 54.098816][ T3567] ================================================================== [ 54.132676][ T3573] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 54.140742][ T3567] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 54.147950][ T3567] CPU: 1 PID: 3567 Comm: kworker/u5:1 Not tainted 6.1.93-syzkaller #0 [ 54.156109][ T3567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 54.166167][ T3567] Workqueue: hci0 hci_rx_work [ 54.170913][ T3567] Call Trace: [ 54.174194][ T3567] [ 54.177132][ T3567] dump_stack_lvl+0x1e3/0x2cb [ 54.181830][ T3567] ? nf_tcp_handle_invalid+0x642/0x642 [ 54.187308][ T3567] ? panic+0x764/0x764 [ 54.191391][ T3567] ? preempt_schedule_common+0xa6/0xd0 [ 54.196875][ T3567] ? vscnprintf+0x59/0x80 [ 54.201300][ T3567] panic+0x318/0x764 [ 54.205202][ T3567] ? check_panic_on_warn+0x1d/0xa0 [ 54.210327][ T3567] ? memcpy_page_flushcache+0xfc/0xfc [ 54.215715][ T3567] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 54.221705][ T3567] ? _raw_spin_unlock+0x40/0x40 [ 54.226566][ T3567] ? print_report+0x4a3/0x4f0 [ 54.231259][ T3567] check_panic_on_warn+0x7e/0xa0 [ 54.236208][ T3567] ? kfree_skb_reason+0x15b/0x390 [ 54.241251][ T3567] end_report+0x66/0x110 [ 54.245498][ T3567] kasan_report+0x143/0x160 [ 54.250007][ T3567] ? skb_release_head_state+0x1a4/0x230 [ 54.255574][ T3567] ? kfree_skb_reason+0x15b/0x390 [ 54.260615][ T3567] ? hci_req_sync_complete+0xee/0x280 [ 54.265994][ T3567] kfree_skb_reason+0x15b/0x390 [ 54.270864][ T3567] hci_req_sync_complete+0xee/0x280 [ 54.276073][ T3567] ? hci_req_run_skb+0x20/0x20 [ 54.280845][ T3567] hci_event_packet+0xc49/0x1510 [ 54.285795][ T3567] ? hci_remote_features_evt+0xab0/0xab0 [ 54.291443][ T3567] ? bis_list+0x290/0x290 [ 54.295784][ T3567] ? do_raw_spin_unlock+0x137/0x8a0 [ 54.300992][ T3567] ? hci_req_run_skb+0x20/0x20 [ 54.305765][ T3567] ? kcov_remote_start+0x4b5/0x7d0 [ 54.310888][ T3567] ? warn_bogus_irq_restore+0x20/0x20 [ 54.316273][ T3567] ? hci_send_to_monitor+0x99/0x4d0 [ 54.321481][ T3567] hci_rx_work+0x3cd/0xce0 [ 54.325908][ T3567] ? do_raw_spin_unlock+0x137/0x8a0 [ 54.331117][ T3567] ? process_one_work+0x7a9/0x11d0 [ 54.336236][ T3567] process_one_work+0x8a9/0x11d0 [ 54.341191][ T3567] ? worker_detach_from_pool+0x260/0x260 [ 54.346833][ T3567] ? _raw_spin_lock_irqsave+0x120/0x120 [ 54.352389][ T3567] ? kthread_data+0x4e/0xc0 [ 54.356917][ T3567] ? wq_worker_running+0x97/0x190 [ 54.361959][ T3567] worker_thread+0xa47/0x1200 [ 54.366654][ T3567] ? __sched_text_start+0x8/0x8 [ 54.371529][ T3567] kthread+0x28d/0x320 [ 54.375601][ T3567] ? worker_clr_flags+0x190/0x190 [ 54.380635][ T3567] ? kthread_blkcg+0xd0/0xd0 [ 54.385231][ T3567] ret_from_fork+0x1f/0x30 [ 54.389667][ T3567] [ 54.392800][ T3567] Kernel Offset: disabled [ 54.397109][ T3567] Rebooting in 86400 seconds..