Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts.
2026/02/28 10:26:06 ignoring optional flag "type"="gce"
2026/02/28 10:26:07 parsed 1 programs
2026/02/28 10:26:08 executed programs: 0
[ 99.916302][ T5981] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 99.972078][ T5112] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 99.974090][ T5112] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 99.974810][ T5112] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 99.975900][ T5112] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 99.976526][ T5112] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 100.173683][ T5987] chnl_net:caif_netlink_parms(): no params data found
[ 100.460657][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state
[ 100.460792][ T5987] bridge0: port 1(bridge_slave_0) entered disabled state
[ 100.461095][ T5987] bridge_slave_0: entered allmulticast mode
[ 100.462460][ T5987] bridge_slave_0: entered promiscuous mode
[ 100.465769][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state
[ 100.465883][ T5987] bridge0: port 2(bridge_slave_1) entered disabled state
[ 100.465982][ T5987] bridge_slave_1: entered allmulticast mode
[ 100.467289][ T5987] bridge_slave_1: entered promiscuous mode
[ 100.613419][ T5987] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 100.616174][ T5987] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 100.752762][ T5987] team0: Port device team_slave_0 added
[ 100.754726][ T5987] team0: Port device team_slave_1 added
[ 100.880914][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 100.880931][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 100.880952][ T5987] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 100.882204][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 100.882217][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 100.882235][ T5987] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 101.075191][ T5987] hsr_slave_0: entered promiscuous mode
[ 101.075955][ T5987] hsr_slave_1: entered promiscuous mode
[ 102.049373][ T5802] Bluetooth: hci0: command tx timeout
[ 102.902802][ T5987] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 102.946490][ T5987] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 102.982319][ T5987] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 103.022471][ T5987] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 103.171575][ T5987] 8021q: adding VLAN 0 to HW filter on device bond0
[ 103.205453][ T5987] 8021q: adding VLAN 0 to HW filter on device team0
[ 103.225583][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 103.225857][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 103.254320][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 103.257813][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 103.552980][ T5987] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 103.615179][ T5987] veth0_vlan: entered promiscuous mode
[ 103.628526][ T5987] veth1_vlan: entered promiscuous mode
[ 103.677368][ T5987] veth0_macvtap: entered promiscuous mode
[ 103.692817][ T5987] veth1_macvtap: entered promiscuous mode
[ 103.715600][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 103.721690][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 103.741396][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.742960][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.743003][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.743037][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 103.981985][ T6076] jffs2: notice: (6076) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[ 104.074946][ T6077] ==================================================================
[ 104.074963][ T6077] BUG: KASAN: slab-use-after-free in jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.075012][ T6077] Write of size 8 at addr ffff8880384f2350 by task jffs2_gcd_mtd0/6077
[ 104.075028][ T6077]
[ 104.075052][ T6077] CPU: 0 UID: 0 PID: 6077 Comm: jffs2_gcd_mtd0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 104.075072][ T6077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 104.075090][ T6077] Call Trace:
[ 104.075099][ T6077]
[ 104.075107][ T6077] dump_stack_lvl+0xe8/0x150
[ 104.075135][ T6077] print_report+0xba/0x230
[ 104.075159][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.075181][ T6077] kasan_report+0x117/0x150
[ 104.075209][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.075234][ T6077] jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.075258][ T6077] jffs2_erase_pending_blocks+0x13cb/0x24c0
[ 104.075301][ T6077] ? __pfx_jffs2_erase_pending_blocks+0x10/0x10
[ 104.075330][ T6077] ? lockdep_hardirqs_on+0x7a/0x110
[ 104.075367][ T6077] ? rt_mutex_slowunlock+0x1cb/0x300
[ 104.075386][ T6077] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 104.075409][ T6077] jffs2_garbage_collect_pass+0x6dd/0x2150
[ 104.075434][ T6077] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 104.075459][ T6077] ? lockdep_hardirqs_on+0x7a/0x110
[ 104.075483][ T6077] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 104.075502][ T6077] ? rt_spin_lock+0x1e0/0x400
[ 104.075520][ T6077] ? __pfx_jffs2_garbage_collect_pass+0x10/0x10
[ 104.075548][ T6077] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 104.075571][ T6077] ? rt_spin_unlock+0x160/0x200
[ 104.075591][ T6077] ? sigprocmask+0x15c/0x1a0
[ 104.075615][ T6077] jffs2_garbage_collect_thread+0x67c/0x710
[ 104.075629][ T6077] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 104.075655][ T6077] ? __pfx_jffs2_garbage_collect_thread+0x10/0x10
[ 104.075672][ T6077] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 104.075695][ T6077] ? __kthread_parkme+0x19c/0x1f0
[ 104.075726][ T6077] kthread+0x388/0x470
[ 104.075744][ T6077] ? __pfx_jffs2_garbage_collect_thread+0x10/0x10
[ 104.075762][ T6077] ? __pfx_kthread+0x10/0x10
[ 104.075780][ T6077] ret_from_fork+0x51e/0xb90
[ 104.075805][ T6077] ? __pfx_ret_from_fork+0x10/0x10
[ 104.075827][ T6077] ? __switch_to+0xc7d/0x1450
[ 104.075850][ T6077] ? __pfx_kthread+0x10/0x10
[ 104.075868][ T6077] ret_from_fork_asm+0x1a/0x30
[ 104.075890][ T6077]
[ 104.075897][ T6077]
[ 104.075901][ T6077] Allocated by task 6076:
[ 104.075910][ T6077] kasan_save_track+0x3e/0x80
[ 104.075933][ T6077] __kasan_kmalloc+0x93/0xb0
[ 104.075957][ T6077] __kmalloc_noprof+0x3e7/0x7b0
[ 104.075980][ T6077] jffs2_do_mount_fs+0x117/0x2280
[ 104.076002][ T6077] jffs2_do_fill_super+0x573/0xbd0
[ 104.076017][ T6077] mtd_get_sb+0x18f/0x410
[ 104.076037][ T6077] get_tree_mtd+0x5e9/0x830
[ 104.076058][ T6077] vfs_get_tree+0x92/0x2a0
[ 104.076081][ T6077] do_new_mount+0x341/0xd30
[ 104.076098][ T6077] __se_sys_mount+0x31d/0x420
[ 104.076114][ T6077] do_syscall_64+0x14d/0xf80
[ 104.076138][ T6077] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.076155][ T6077]
[ 104.076159][ T6077] Freed by task 5987:
[ 104.076167][ T6077] kasan_save_track+0x3e/0x80
[ 104.076187][ T6077] kasan_save_free_info+0x46/0x50
[ 104.076202][ T6077] __kasan_slab_free+0x5c/0x80
[ 104.076222][ T6077] kfree+0x1c1/0x6c0
[ 104.076242][ T6077] jffs2_put_super+0x9a/0x170
[ 104.076258][ T6077] generic_shutdown_super+0x13d/0x2d0
[ 104.076279][ T6077] kill_mtd_super+0x23/0x70
[ 104.076299][ T6077] jffs2_kill_sb+0x96/0xb0
[ 104.076313][ T6077] deactivate_locked_super+0xbc/0x130
[ 104.076333][ T6077] cleanup_mnt+0x437/0x4d0
[ 104.076361][ T6077] task_work_run+0x1d9/0x270
[ 104.076379][ T6077] exit_to_user_mode_loop+0xed/0x480
[ 104.076404][ T6077] do_syscall_64+0x32d/0xf80
[ 104.076426][ T6077] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.076440][ T6077]
[ 104.076445][ T6077] The buggy address belongs to the object at ffff8880384f2000
[ 104.076445][ T6077] which belongs to the cache kmalloc-4k of size 4096
[ 104.076460][ T6077] The buggy address is located 848 bytes inside of
[ 104.076460][ T6077] freed 4096-byte region [ffff8880384f2000, ffff8880384f3000)
[ 104.076478][ T6077]
[ 104.076482][ T6077] The buggy address belongs to the physical page:
[ 104.076504][ T6077] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x384f0
[ 104.076521][ T6077] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 104.076534][ T6077] flags: 0x80000000000040(head|node=0|zone=1)
[ 104.076556][ T6077] page_type: f5(slab)
[ 104.076571][ T6077] raw: 0080000000000040 ffff88813fe1d140 dead000000000122 0000000000000000
[ 104.076584][ T6077] raw: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
[ 104.076600][ T6077] head: 0080000000000040 ffff88813fe1d140 dead000000000122 0000000000000000
[ 104.076614][ T6077] head: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
[ 104.076630][ T6077] head: 0080000000000003 ffffea0000e13c01 00000000ffffffff 00000000ffffffff
[ 104.076644][ T6077] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000008
[ 104.076653][ T6077] page dumped because: kasan: bad access detected
[ 104.076663][ T6077] page_owner tracks the page as allocated
[ 104.076670][ T6077] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6076, tgid 6075 (syz-executor.0), ts 103978821782, free_ts 65583217454
[ 104.076701][ T6077] post_alloc_hook+0x231/0x280
[ 104.076725][ T6077] get_page_from_freelist+0x28bb/0x2950
[ 104.076742][ T6077] __alloc_frozen_pages_noprof+0x18d/0x380
[ 104.076757][ T6077] allocate_slab+0x77/0x660
[ 104.076775][ T6077] refill_objects+0x334/0x3c0
[ 104.076791][ T6077] __pcs_replace_empty_main+0x328/0x5f0
[ 104.076810][ T6077] __kmalloc_cache_noprof+0x44e/0x690
[ 104.076834][ T6077] jffs2_init_fs_context+0x4f/0xc0
[ 104.076850][ T6077] alloc_fs_context+0x9d5/0xd50
[ 104.076872][ T6077] do_new_mount+0x187/0xd30
[ 104.076889][ T6077] __se_sys_mount+0x31d/0x420
[ 104.076906][ T6077] do_syscall_64+0x14d/0xf80
[ 104.076927][ T6077] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.076944][ T6077] page last free pid 5726 tgid 5726 stack trace:
[ 104.076955][ T6077] __free_frozen_pages+0xfe3/0x1170
[ 104.076979][ T6077] __slab_free+0x24f/0x2a0
[ 104.077001][ T6077] qlist_free_all+0x97/0x100
[ 104.077021][ T6077] kasan_quarantine_reduce+0x148/0x160
[ 104.077041][ T6077] __kasan_slab_alloc+0x22/0x80
[ 104.077064][ T6077] kmem_cache_alloc_noprof+0x33b/0x680
[ 104.077086][ T6077] vm_area_alloc+0x24/0x140
[ 104.077101][ T6077] mmap_region+0x112c/0x2230
[ 104.077117][ T6077] do_mmap+0xc2f/0x10c0
[ 104.077138][ T6077] vm_mmap_pgoff+0x2cc/0x4f0
[ 104.077159][ T6077] do_syscall_64+0x14d/0xf80
[ 104.077180][ T6077] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 104.077196][ T6077]
[ 104.077200][ T6077] Memory state around the buggy address:
[ 104.077210][ T6077] ffff8880384f2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 104.077222][ T6077] ffff8880384f2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 104.077234][ T6077] >ffff8880384f2300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 104.077243][ T6077] ^
[ 104.077254][ T6077] ffff8880384f2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 104.077266][ T6077] ffff8880384f2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 104.077275][ T6077] ==================================================================
[ 104.077293][ T6077] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 104.077308][ T6077] CPU: 0 UID: 0 PID: 6077 Comm: jffs2_gcd_mtd0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 104.077330][ T6077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 104.077341][ T6077] Call Trace:
[ 104.077348][ T6077]
[ 104.077362][ T6077] vpanic+0x56c/0xa60
[ 104.077392][ T6077] ? __pfx_vpanic+0x10/0x10
[ 104.077423][ T6077] panic+0xc5/0xd0
[ 104.077449][ T6077] ? __pfx_panic+0x10/0x10
[ 104.077477][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077503][ T6077] ? rcu_is_watching+0x15/0xb0
[ 104.077524][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077550][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077575][ T6077] check_panic_on_warn+0x89/0xb0
[ 104.077597][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077622][ T6077] end_report+0x73/0x180
[ 104.077649][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077675][ T6077] kasan_report+0x128/0x150
[ 104.077703][ T6077] ? jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077732][ T6077] jffs2_prealloc_raw_node_refs+0x53b/0x800
[ 104.077760][ T6077] jffs2_erase_pending_blocks+0x13cb/0x24c0
[ 104.077803][ T6077] ? __pfx_jffs2_erase_pending_blocks+0x10/0x10
[ 104.077833][ T6077] ? lockdep_hardirqs_on+0x7a/0x110
[ 104.077859][ T6077] ? rt_mutex_slowunlock+0x1cb/0x300
[ 104.077879][ T6077] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 104.077904][ T6077] jffs2_garbage_collect_pass+0x6dd/0x2150
[ 104.077936][ T6077] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 104.077961][ T6077] ? lockdep_hardirqs_on+0x7a/0x110
[ 104.077986][ T6077] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 104.078006][ T6077] ? rt_spin_lock+0x1e0/0x400
[ 104.078025][ T6077] ? __pfx_jffs2_garbage_collect_pass+0x10/0x10
[ 104.078055][ T6077] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 104.078078][ T6077] ? rt_spin_unlock+0x160/0x200
[ 104.078098][ T6077] ? sigprocmask+0x15c/0x1a0
[ 104.078124][ T6077] jffs2_garbage_collect_thread+0x67c/0x710
[ 104.078143][ T6077] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 104.078174][ T6077] ? __pfx_jffs2_garbage_collect_thread+0x10/0x10
[ 104.078195][ T6077] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 104.078221][ T6077] ? __kthread_parkme+0x19c/0x1f0
[ 104.078252][ T6077] kthread+0x388/0x470
[ 104.078271][ T6077] ? __pfx_jffs2_garbage_collect_thread+0x10/0x10
[ 104.078289][ T6077] ? __pfx_kthread+0x10/0x10
[ 104.078308][ T6077] ret_from_fork+0x51e/0xb90
[ 104.078335][ T6077] ? __pfx_ret_from_fork+0x10/0x10
[ 104.078368][ T6077] ? __switch_to+0xc7d/0x1450
[ 104.078392][ T6077] ? __pfx_kthread+0x10/0x10
[ 104.078411][ T6077] ret_from_fork_asm+0x1a/0x30
[ 104.078436][ T6077]
[ 104.078833][ T6077] Kernel Offset: disabled