Warning: Permanently added '10.128.1.53' (ED25519) to the list of known hosts. 2025/10/05 10:42:53 parsed 1 programs [ 60.270311][ T1883] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 60.985163][ T1914] chnl_net:caif_netlink_parms(): no params data found [ 61.877710][ T1914] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.451409][ T1398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.458931][ T1398] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.468200][ T1914] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.633100][ T516] bond0 (unregistering): Released all slaves 2025/10/05 10:42:57 executed programs: 0 [ 64.137463][ T2363] chnl_net:caif_netlink_parms(): no params data found [ 65.020078][ T2363] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.595051][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.602515][ T135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.611671][ T2363] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.104500][ T39] Bluetooth: hci0: command 0x0409 tx timeout [ 68.174402][ T39] Bluetooth: hci0: command 0x041b tx timeout 2025/10/05 10:43:02 executed programs: 5 [ 70.254377][ T39] Bluetooth: hci0: command 0x040f tx timeout [ 72.334407][ T39] Bluetooth: hci0: command 0x0419 tx timeout [ 74.263555][ T135] ================================================================== [ 74.271890][ T135] BUG: KASAN: use-after-free in worker_thread+0xb51/0xdd0 [ 74.279004][ T135] Read of size 8 at addr ffff88810d1546e8 by task kworker/u4:2/135 [ 74.286888][ T135] [ 74.289194][ T135] CPU: 0 PID: 135 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 74.296635][ T135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 74.306689][ T135] Workqueue: 0x0 (kstrp) [ 74.311021][ T135] Call Trace: [ 74.314284][ T135] [ 74.317240][ T135] dump_stack_lvl+0x41/0x5e [ 74.322237][ T135] print_address_description.constprop.0.cold+0x6c/0x309 [ 74.329238][ T135] ? worker_thread+0xb51/0xdd0 [ 74.333980][ T135] ? worker_thread+0xb51/0xdd0 [ 74.338715][ T135] kasan_report.cold+0x83/0xdf [ 74.343444][ T135] ? worker_thread+0xb51/0xdd0 [ 74.348172][ T135] worker_thread+0xb51/0xdd0 [ 74.352795][ T135] ? __kthread_parkme+0x92/0x120 [ 74.357706][ T135] ? rescuer_thread+0xb30/0xb30 [ 74.362547][ T135] kthread+0x2f8/0x3b0 [ 74.366610][ T135] ? set_kthread_struct+0x100/0x100 [ 74.371798][ T135] ret_from_fork+0x1f/0x30 [ 74.376291][ T135] [ 74.379285][ T135] [ 74.381753][ T135] Allocated by task 2800: [ 74.386055][ T135] kasan_save_stack+0x1b/0x40 [ 74.390722][ T135] __kasan_slab_alloc+0x61/0x80 [ 74.395541][ T135] kmem_cache_alloc+0x211/0x310 [ 74.400365][ T135] sk_prot_alloc+0x51/0x200 [ 74.404833][ T135] sk_alloc+0x27/0x560 [ 74.408887][ T135] kcm_ioctl+0x628/0x1130 [ 74.413201][ T135] sock_do_ioctl+0xc9/0x1c0 [ 74.417697][ T135] sock_ioctl+0x278/0x4f0 [ 74.422003][ T135] __x64_sys_ioctl+0x11f/0x190 [ 74.426736][ T135] do_syscall_64+0x33/0x80 [ 74.431122][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.437084][ T135] [ 74.439407][ T135] Freed by task 2801: [ 74.443364][ T135] kasan_save_stack+0x1b/0x40 [ 74.448025][ T135] kasan_set_track+0x1c/0x30 [ 74.452594][ T135] kasan_set_free_info+0x20/0x30 [ 74.457511][ T135] __kasan_slab_free+0xe0/0x110 [ 74.462322][ T135] kmem_cache_free+0x7e/0x450 [ 74.466963][ T135] __sk_destruct+0x40d/0x5c0 [ 74.471534][ T135] kcm_release+0x431/0x790 [ 74.476000][ T135] __sock_release+0xbb/0x270 [ 74.480557][ T135] sock_close+0xf/0x20 [ 74.484597][ T135] __fput+0x1b4/0x8e0 [ 74.488543][ T135] task_work_run+0xb8/0x140 [ 74.493007][ T135] exit_to_user_mode_prepare+0x195/0x1a0 [ 74.498602][ T135] syscall_exit_to_user_mode+0x12/0x30 [ 74.504135][ T135] do_syscall_64+0x40/0x80 [ 74.508535][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.514410][ T135] [ 74.516712][ T135] Last potentially related work creation: [ 74.522407][ T135] kasan_save_stack+0x1b/0x40 [ 74.527065][ T135] kasan_record_aux_stack+0xc5/0xf0 [ 74.532230][ T135] insert_work+0x45/0x380 [ 74.536538][ T135] __queue_work+0x520/0xbd0 [ 74.541027][ T135] queue_work_on+0x52/0x70 [ 74.545438][ T135] kcm_unattach+0xad5/0x1250 [ 74.550015][ T135] kcm_ioctl+0x83a/0x1130 [ 74.554309][ T135] sock_do_ioctl+0xc9/0x1c0 [ 74.558802][ T135] sock_ioctl+0x278/0x4f0 [ 74.563101][ T135] __x64_sys_ioctl+0x11f/0x190 [ 74.567833][ T135] do_syscall_64+0x33/0x80 [ 74.572302][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.578158][ T135] [ 74.580449][ T135] Second to last potentially related work creation: [ 74.587003][ T135] kasan_save_stack+0x1b/0x40 [ 74.591661][ T135] kasan_record_aux_stack+0xc5/0xf0 [ 74.596924][ T135] insert_work+0x45/0x380 [ 74.601234][ T135] __queue_work+0x520/0xbd0 [ 74.605725][ T135] queue_work_on+0x52/0x70 [ 74.610114][ T135] kcm_ioctl+0xc5a/0x1130 [ 74.614412][ T135] sock_do_ioctl+0xc9/0x1c0 [ 74.618886][ T135] sock_ioctl+0x278/0x4f0 [ 74.623183][ T135] __x64_sys_ioctl+0x11f/0x190 [ 74.627923][ T135] do_syscall_64+0x33/0x80 [ 74.632300][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.638171][ T135] [ 74.640462][ T135] The buggy address belongs to the object at ffff88810d154140 [ 74.640462][ T135] which belongs to the cache KCM of size 1728 [ 74.653880][ T135] The buggy address is located 1448 bytes inside of [ 74.653880][ T135] 1728-byte region [ffff88810d154140, ffff88810d154800) [ 74.667390][ T135] The buggy address belongs to the page: [ 74.672997][ T135] page:ffffea0004345400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10d150 [ 74.683224][ T135] head:ffffea0004345400 order:3 compound_mapcount:0 compound_pincount:0 [ 74.691525][ T135] memcg:ffff888108798901 [ 74.695725][ T135] flags: 0x200000000010200(slab|head|node=0|zone=2) [ 74.702280][ T135] raw: 0200000000010200 0000000000000000 dead000000000122 ffff88810e231780 [ 74.710863][ T135] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff888108798901 [ 74.719411][ T135] page dumped because: kasan: bad access detected [ 74.725811][ T135] page_owner tracks the page as allocated [ 74.731497][ T135] 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 2764, ts 66725884056, free_ts 66654793111 [ 74.751943][ T135] get_page_from_freelist+0x141f/0x3a80 [ 74.757547][ T135] __alloc_pages+0x1b2/0x420 [ 74.762101][ T135] allocate_slab+0x2eb/0x430 [ 74.766673][ T135] ___slab_alloc+0xb1c/0xf80 [ 74.771224][ T135] kmem_cache_alloc+0x2d7/0x310 [ 74.776052][ T135] sk_prot_alloc+0x51/0x200 [ 74.780532][ T135] sk_alloc+0x27/0x560 [ 74.784566][ T135] kcm_ioctl+0x628/0x1130 [ 74.788858][ T135] sock_do_ioctl+0xc9/0x1c0 [ 74.793324][ T135] sock_ioctl+0x278/0x4f0 [ 74.797613][ T135] __x64_sys_ioctl+0x11f/0x190 [ 74.802343][ T135] do_syscall_64+0x33/0x80 [ 74.806780][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.812637][ T135] page last free stack trace: [ 74.817272][ T135] free_pcp_prepare+0x34e/0x730 [ 74.822086][ T135] free_unref_page+0x19/0x4b0 [ 74.826723][ T135] __unfreeze_partials+0x27d/0x2a0 [ 74.831796][ T135] qlist_free_all+0x68/0x110 [ 74.836348][ T135] kasan_quarantine_reduce+0x180/0x1f0 [ 74.841773][ T135] __kasan_slab_alloc+0x73/0x80 [ 74.846593][ T135] kmem_cache_alloc_trace+0x212/0x310 [ 74.851926][ T135] kernfs_fop_open+0x279/0xc50 [ 74.856669][ T135] do_dentry_open+0x45e/0xfc0 [ 74.861309][ T135] path_openat+0x1542/0x2360 [ 74.865876][ T135] do_filp_open+0x199/0x3d0 [ 74.870339][ T135] do_sys_openat2+0x11e/0x400 [ 74.874982][ T135] __x64_sys_openat+0x11b/0x1d0 [ 74.879791][ T135] do_syscall_64+0x33/0x80 [ 74.884185][ T135] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 74.890041][ T135] [ 74.892331][ T135] Memory state around the buggy address: [ 74.897937][ T135] ffff88810d154580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 74.905958][ T135] ffff88810d154600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 74.914081][ T135] >ffff88810d154680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 74.922122][ T135] ^ [ 74.929539][ T135] ffff88810d154700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 74.937560][ T135] ffff88810d154780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 74.945582][ T135] ================================================================== [ 74.953609][ T135] Disabling lock debugging due to kernel taint [ 74.959725][ T135] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 76.002587][ T135] Shutting down cpus with NMI [ 76.007477][ T135] Kernel Offset: disabled [ 76.011881][ T135] Rebooting in 86400 seconds..