Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. 2025/09/11 04:50:39 parsed 1 programs [ 80.373759][ T1924] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.322755][ T1933] chnl_net:caif_netlink_parms(): no params data found [ 84.330978][ T1933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 86.330302][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 86.337914][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 86.349321][ T1933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.273147][ T38] bond0 (unregistering): Released all slaves [ 91.159419][ T1469] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.167477][ T1469] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.175341][ T1469] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.184070][ T1469] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.192955][ T1469] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.200680][ T1467] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/09/11 04:50:51 executed programs: 0 [ 91.928054][ T42] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.935632][ T42] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.944053][ T42] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.952651][ T42] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.960243][ T42] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.967705][ T42] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.288213][ T2415] chnl_net:caif_netlink_parms(): no params data found [ 94.029711][ T1469] Bluetooth: hci0: command 0x0409 tx timeout [ 95.233838][ T2415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.109661][ T1469] Bluetooth: hci0: command 0x041b tx timeout [ 97.248309][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 97.255958][ T570] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 97.266633][ T2415] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.189657][ T1469] Bluetooth: hci0: command 0x040f tx timeout [ 100.279543][ T1469] Bluetooth: hci0: command 0x0419 tx timeout 2025/09/11 04:51:00 executed programs: 2 2025/09/11 04:51:05 executed programs: 8 [ 106.198776][ T570] ================================================================== [ 106.207246][ T570] BUG: KASAN: use-after-free in __lock_acquire+0xf7/0x7c50 [ 106.214550][ T570] Read of size 8 at addr ffff88811f9124f0 by task kworker/u4:4/570 [ 106.222890][ T570] [ 106.225939][ T570] CPU: 1 PID: 570 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 106.233876][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 106.244549][ T570] Workqueue: kkcmd kcm_tx_work [ 106.249488][ T570] Call Trace: [ 106.252775][ T570] [ 106.255697][ T570] dump_stack_lvl+0xe3/0x16b [ 106.260378][ T570] ? show_regs_print_info+0x5/0x5 [ 106.265572][ T570] ? load_image+0x2f0/0x2f0 [ 106.270080][ T570] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 106.275805][ T570] ? __virt_addr_valid+0x10a/0x380 [ 106.281559][ T570] ? __virt_addr_valid+0x10a/0x380 [ 106.286778][ T570] ? __virt_addr_valid+0x10a/0x380 [ 106.291890][ T570] ? __virt_addr_valid+0x10a/0x380 [ 106.297070][ T570] ? __virt_addr_valid+0x2bf/0x380 [ 106.302324][ T570] ? __lock_acquire+0xf7/0x7c50 [ 106.307792][ T570] print_report+0xa8/0x210 [ 106.312495][ T570] kasan_report+0x10b/0x140 [ 106.317086][ T570] ? __lock_acquire+0xf7/0x7c50 [ 106.322065][ T570] __lock_acquire+0xf7/0x7c50 [ 106.326902][ T570] ? lock_pin_lock+0x3a0/0x3a0 [ 106.331658][ T570] ? __switch_to+0x58d/0x1080 [ 106.336441][ T570] ? mark_lock+0x94/0x320 [ 106.340836][ T570] ? verify_lock_unused+0x140/0x140 [ 106.346015][ T570] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 106.352166][ T570] ? lock_chain_count+0x20/0x20 [ 106.357007][ T570] ? finish_task_switch+0x1f4/0x750 [ 106.362283][ T570] ? lockdep_hardirqs_on+0x94/0x140 [ 106.367656][ T570] lock_acquire+0x1b4/0x490 [ 106.372155][ T570] ? __lock_sock+0x148/0x250 [ 106.376839][ T570] ? __local_bh_disable_ip+0xfb/0x190 [ 106.382415][ T570] ? read_lock_is_recursive+0x10/0x10 [ 106.387906][ T570] ? __local_bh_enable_ip+0x12a/0x1b0 [ 106.393521][ T570] ? _local_bh_enable+0xa0/0xa0 [ 106.398493][ T570] ? wq_worker_sleeping+0x19/0x210 [ 106.403609][ T570] ? __lock_sock+0x148/0x250 [ 106.408209][ T570] _raw_spin_lock_bh+0x32/0x50 [ 106.412961][ T570] ? __lock_sock+0x148/0x250 [ 106.417548][ T570] __lock_sock+0x148/0x250 [ 106.421980][ T570] ? sk_stream_moderate_sndbuf+0x1f0/0x1f0 [ 106.427859][ T570] ? do_raw_spin_lock+0x11d/0x280 [ 106.433069][ T570] ? wake_bit_function+0x200/0x200 [ 106.438510][ T570] ? __rwlock_init+0x140/0x140 [ 106.443472][ T570] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 106.449801][ T570] ? lock_sock_nested+0x5c/0xe0 [ 106.455615][ T570] lock_sock_nested+0x81/0xe0 [ 106.460434][ T570] ? process_one_work+0x6dc/0xea0 [ 106.465665][ T570] kcm_tx_work+0x28/0x140 [ 106.470113][ T570] ? process_one_work+0x6dc/0xea0 [ 106.475469][ T570] process_one_work+0x799/0xea0 [ 106.480523][ T570] ? worker_detach_from_pool+0x220/0x220 [ 106.486579][ T570] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 106.492665][ T570] ? wq_worker_sleeping+0x19/0x210 [ 106.499691][ T570] worker_thread+0x8cc/0xfb0 [ 106.504941][ T570] ? lockdep_hardirqs_on+0x94/0x140 [ 106.510656][ T570] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 106.516897][ T570] ? __kthread_parkme+0xba/0x190 [ 106.522332][ T570] ? worker_clr_flags+0x160/0x160 [ 106.527546][ T570] kthread+0x259/0x2d0 [ 106.531865][ T570] ? worker_clr_flags+0x160/0x160 [ 106.536917][ T570] ? kthread_blkcg+0xa0/0xa0 [ 106.541600][ T570] ret_from_fork+0x1f/0x30 [ 106.546132][ T570] [ 106.549175][ T570] [ 106.551706][ T570] Allocated by task 2847: [ 106.556050][ T570] kasan_set_track+0x4b/0x70 [ 106.560675][ T570] __kasan_slab_alloc+0x6b/0x80 [ 106.565526][ T570] slab_post_alloc_hook+0x4b/0x480 [ 106.570634][ T570] kmem_cache_alloc+0x123/0x2f0 [ 106.575495][ T570] sk_prot_alloc+0x51/0x1b0 [ 106.580006][ T570] sk_alloc+0x30/0x2d0 [ 106.584158][ T570] kcm_ioctl+0x28f/0xe40 [ 106.588598][ T570] sock_do_ioctl+0xcd/0x260 [ 106.593099][ T570] sock_ioctl+0x41d/0x540 [ 106.597427][ T570] __se_sys_ioctl+0xa6/0xf0 [ 106.601909][ T570] do_syscall_64+0x4c/0xa0 [ 106.606338][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 106.612302][ T570] [ 106.614720][ T570] Freed by task 2848: [ 106.618724][ T570] kasan_set_track+0x4b/0x70 [ 106.623473][ T570] kasan_save_free_info+0x2d/0x50 [ 106.628536][ T570] ____kasan_slab_free+0x126/0x1e0 [ 106.633738][ T570] slab_free_freelist_hook+0x131/0x1a0 [ 106.639202][ T570] kmem_cache_free+0xf7/0x290 [ 106.643886][ T570] __sk_destruct+0x353/0x4b0 [ 106.648466][ T570] kcm_release+0x3ad/0x550 [ 106.652884][ T570] sock_close+0xcb/0x220 [ 106.657245][ T570] __fput+0x1a9/0x700 [ 106.661220][ T570] task_work_run+0x142/0x1e0 [ 106.665832][ T570] exit_to_user_mode_loop+0xda/0xf0 [ 106.671035][ T570] exit_to_user_mode_prepare+0xa9/0x120 [ 106.676704][ T570] syscall_exit_to_user_mode+0x16/0x40 [ 106.682449][ T570] do_syscall_64+0x58/0xa0 [ 106.686906][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 106.692820][ T570] [ 106.695500][ T570] Last potentially related work creation: [ 106.701304][ T570] kasan_save_stack+0x3a/0x60 [ 106.706052][ T570] __kasan_record_aux_stack+0xb2/0xc0 [ 106.711557][ T570] insert_work+0x4f/0x330 [ 106.715971][ T570] __queue_work+0x93d/0xc40 [ 106.720543][ T570] queue_work_on+0xcb/0x160 [ 106.725137][ T570] kcm_unattach+0x858/0xe30 [ 106.729813][ T570] kcm_ioctl+0x69d/0xe40 [ 106.734167][ T570] sock_do_ioctl+0xcd/0x260 [ 106.738668][ T570] sock_ioctl+0x41d/0x540 [ 106.743010][ T570] __se_sys_ioctl+0xa6/0xf0 [ 106.747525][ T570] do_syscall_64+0x4c/0xa0 [ 106.751932][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 106.757823][ T570] [ 106.760124][ T570] Second to last potentially related work creation: [ 106.766689][ T570] kasan_save_stack+0x3a/0x60 [ 106.771481][ T570] __kasan_record_aux_stack+0xb2/0xc0 [ 106.776941][ T570] insert_work+0x4f/0x330 [ 106.781448][ T570] __queue_work+0x93d/0xc40 [ 106.786130][ T570] queue_work_on+0xcb/0x160 [ 106.790904][ T570] kcm_ioctl+0xc20/0xe40 [ 106.795144][ T570] sock_do_ioctl+0xcd/0x260 [ 106.799650][ T570] sock_ioctl+0x41d/0x540 [ 106.803973][ T570] __se_sys_ioctl+0xa6/0xf0 [ 106.808506][ T570] do_syscall_64+0x4c/0xa0 [ 106.812945][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 106.818933][ T570] [ 106.821355][ T570] The buggy address belongs to the object at ffff88811f912440 [ 106.821355][ T570] which belongs to the cache KCM of size 1720 [ 106.834911][ T570] The buggy address is located 176 bytes inside of [ 106.834911][ T570] 1720-byte region [ffff88811f912440, ffff88811f912af8) [ 106.848534][ T570] [ 106.850854][ T570] The buggy address belongs to the physical page: [ 106.857354][ T570] page:ffffea00047e4400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f910 [ 106.868001][ T570] head:ffffea00047e4400 order:3 compound_mapcount:0 compound_pincount:0 [ 106.876583][ T570] memcg:ffff88810466fa01 [ 106.880833][ T570] flags: 0x200000000010200(slab|head|node=0|zone=2) [ 106.887517][ T570] raw: 0200000000010200 0000000000000000 dead000000000122 ffff888107f4d780 [ 106.896523][ T570] raw: 0000000000000000 0000000080110011 00000001ffffffff ffff88810466fa01 [ 106.905095][ T570] page dumped because: kasan: bad access detected [ 106.911517][ T570] page_owner tracks the page as allocated [ 106.917247][ T570] 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 2817, tgid 2814 (syz.2.17), ts 101115598020, free_ts 101063542490 [ 106.940003][ T570] post_alloc_hook+0x173/0x1a0 [ 106.944787][ T570] get_page_from_freelist+0x24d6/0x2650 [ 106.950365][ T570] __alloc_pages+0x1df/0x4e0 [ 106.955006][ T570] alloc_slab_page+0x5d/0x160 [ 106.959688][ T570] new_slab+0x87/0x2c0 [ 106.963738][ T570] ___slab_alloc+0xbc6/0x1230 [ 106.968405][ T570] kmem_cache_alloc+0x1b7/0x2f0 [ 106.973395][ T570] sk_prot_alloc+0x51/0x1b0 [ 106.978092][ T570] sk_alloc+0x30/0x2d0 [ 106.982173][ T570] kcm_ioctl+0x28f/0xe40 [ 106.986403][ T570] sock_do_ioctl+0xcd/0x260 [ 106.990897][ T570] sock_ioctl+0x41d/0x540 [ 106.995248][ T570] __se_sys_ioctl+0xa6/0xf0 [ 106.999757][ T570] do_syscall_64+0x4c/0xa0 [ 107.004443][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 107.010598][ T570] page last free stack trace: [ 107.015349][ T570] free_unref_page_prepare+0x822/0x860 [ 107.020822][ T570] free_unref_page+0x2e/0x3c0 [ 107.025528][ T570] qlist_free_all+0x76/0xe0 [ 107.030043][ T570] kasan_quarantine_reduce+0x144/0x160 [ 107.035510][ T570] __kasan_slab_alloc+0x1e/0x80 [ 107.040478][ T570] slab_post_alloc_hook+0x4b/0x480 [ 107.045599][ T570] kmem_cache_alloc+0x123/0x2f0 [ 107.050458][ T570] getname_flags+0xa0/0x430 [ 107.054987][ T570] user_path_at_empty+0x1b/0x50 [ 107.059911][ T570] do_readlinkat+0xbe/0x380 [ 107.064405][ T570] __x64_sys_readlink+0x76/0x80 [ 107.069329][ T570] do_syscall_64+0x4c/0xa0 [ 107.073718][ T570] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 107.079704][ T570] [ 107.082118][ T570] Memory state around the buggy address: [ 107.088090][ T570] ffff88811f912380: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc [ 107.096267][ T570] ffff88811f912400: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 107.104587][ T570] >ffff88811f912480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.112918][ T570] ^ [ 107.120631][ T570] ffff88811f912500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.128672][ T570] ffff88811f912580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 107.136791][ T570] ================================================================== [ 107.144941][ T570] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 107.152280][ T570] CPU: 1 PID: 570 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 107.159845][ T570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 107.170004][ T570] Workqueue: kkcmd kcm_tx_work [ 107.174840][ T570] Call Trace: [ 107.178212][ T570] [ 107.181222][ T570] dump_stack_lvl+0xe3/0x16b [ 107.185926][ T570] ? show_regs_print_info+0x5/0x5 [ 107.191039][ T570] ? load_image+0x2f0/0x2f0 [ 107.195652][ T570] panic+0x1f0/0x510 [ 107.199550][ T570] ? bpf_jit_dump+0xc0/0xc0 [ 107.204165][ T570] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 107.210157][ T570] ? _raw_spin_unlock+0x40/0x40 [ 107.215026][ T570] ? __lock_acquire+0xf7/0x7c50 [ 107.219861][ T570] check_panic_on_warn+0x56/0x70 [ 107.224808][ T570] end_report+0x66/0x110 [ 107.229162][ T570] kasan_report+0x118/0x140 [ 107.233667][ T570] ? __lock_acquire+0xf7/0x7c50 [ 107.238494][ T570] __lock_acquire+0xf7/0x7c50 [ 107.243245][ T570] ? lock_pin_lock+0x3a0/0x3a0 [ 107.248014][ T570] ? __switch_to+0x58d/0x1080 [ 107.252679][ T570] ? mark_lock+0x94/0x320 [ 107.257078][ T570] ? verify_lock_unused+0x140/0x140 [ 107.262263][ T570] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.268231][ T570] ? lock_chain_count+0x20/0x20 [ 107.273147][ T570] ? finish_task_switch+0x1f4/0x750 [ 107.278409][ T570] ? lockdep_hardirqs_on+0x94/0x140 [ 107.283602][ T570] lock_acquire+0x1b4/0x490 [ 107.288081][ T570] ? __lock_sock+0x148/0x250 [ 107.292799][ T570] ? __local_bh_disable_ip+0xfb/0x190 [ 107.298253][ T570] ? read_lock_is_recursive+0x10/0x10 [ 107.303906][ T570] ? __local_bh_enable_ip+0x12a/0x1b0 [ 107.309305][ T570] ? _local_bh_enable+0xa0/0xa0 [ 107.314359][ T570] ? wq_worker_sleeping+0x19/0x210 [ 107.319494][ T570] ? __lock_sock+0x148/0x250 [ 107.324136][ T570] _raw_spin_lock_bh+0x32/0x50 [ 107.329184][ T570] ? __lock_sock+0x148/0x250 [ 107.333767][ T570] __lock_sock+0x148/0x250 [ 107.338348][ T570] ? sk_stream_moderate_sndbuf+0x1f0/0x1f0 [ 107.344215][ T570] ? do_raw_spin_lock+0x11d/0x280 [ 107.349312][ T570] ? wake_bit_function+0x200/0x200 [ 107.354427][ T570] ? __rwlock_init+0x140/0x140 [ 107.359311][ T570] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 107.365462][ T570] ? lock_sock_nested+0x5c/0xe0 [ 107.370575][ T570] lock_sock_nested+0x81/0xe0 [ 107.375247][ T570] ? process_one_work+0x6dc/0xea0 [ 107.380442][ T570] kcm_tx_work+0x28/0x140 [ 107.384756][ T570] ? process_one_work+0x6dc/0xea0 [ 107.389788][ T570] process_one_work+0x799/0xea0 [ 107.394660][ T570] ? worker_detach_from_pool+0x220/0x220 [ 107.400346][ T570] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 107.405830][ T570] ? wq_worker_sleeping+0x19/0x210 [ 107.410953][ T570] worker_thread+0x8cc/0xfb0 [ 107.415569][ T570] ? lockdep_hardirqs_on+0x94/0x140 [ 107.420768][ T570] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 107.426781][ T570] ? __kthread_parkme+0xba/0x190 [ 107.431730][ T570] ? worker_clr_flags+0x160/0x160 [ 107.436768][ T570] kthread+0x259/0x2d0 [ 107.440832][ T570] ? worker_clr_flags+0x160/0x160 [ 107.446422][ T570] ? kthread_blkcg+0xa0/0xa0 [ 107.450999][ T570] ret_from_fork+0x1f/0x30 [ 107.455415][ T570] [ 107.458814][ T570] Kernel Offset: disabled [ 107.463155][ T570] Rebooting in 86400 seconds..