477.577424][ T3260] bond0 (unregistering): Released all slaves [ 477.905630][ T3260] hsr_slave_0: left promiscuous mode [ 477.920356][ T3260] hsr_slave_1: left promiscuous mode [ 477.928654][ T3260] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 477.936311][ T3260] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 477.944698][ T3260] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 477.963978][ T3260] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 477.994497][ T3260] veth1_macvtap: left promiscuous mode [ 478.003984][ T3260] veth0_macvtap: left promiscuous mode [ 478.015484][ T3260] veth1_vlan: left promiscuous mode [ 478.033845][ T3260] veth0_vlan: left promiscuous mode [ 478.494519][ T3260] team0 (unregistering): Port device team_slave_1 removed [ 478.522038][ T3260] team0 (unregistering): Port device team_slave_0 removed [ 478.613842][ T4938] Bluetooth: hci0: command tx timeout [ 479.398985][T12922] bridge0: port 1(bridge_slave_0) entered blocking state [ 479.406811][T12922] bridge0: port 1(bridge_slave_0) entered disabled state [ 479.415006][T12922] bridge_slave_0: entered allmulticast mode [ 479.425258][T12922] bridge_slave_0: entered promiscuous mode [ 479.437032][T12922] bridge0: port 2(bridge_slave_1) entered blocking state [ 479.444863][T12922] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.452101][T12922] bridge_slave_1: entered allmulticast mode [ 479.460756][T12922] bridge_slave_1: entered promiscuous mode [ 479.521312][T12922] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 479.534823][T12922] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 479.579897][T12922] team0: Port device team_slave_0 added [ 479.597175][T12922] team0: Port device team_slave_1 added [ 479.635170][T12922] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 479.642174][T12922] 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. [ 479.669595][T12922] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 479.682909][T12922] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 479.690556][T12922] 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. [ 479.717148][T12922] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 479.780080][T12922] hsr_slave_0: entered promiscuous mode [ 479.787009][T12922] hsr_slave_1: entered promiscuous mode [ 480.438345][T12922] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 480.449458][T12922] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 480.457897][T12922] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 480.468389][T12922] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 480.476934][T12922] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 480.488981][T12922] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 480.497740][T12922] netdevsim netdevsim8 netdevsim3: renamed from eth3 [ 480.513986][T12922] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 480.694377][ T4938] Bluetooth: hci0: command tx timeout [ 480.722181][T12922] 8021q: adding VLAN 0 to HW filter on device bond0 [ 480.772088][T12922] 8021q: adding VLAN 0 to HW filter on device team0 [ 480.802319][ T109] bridge0: port 1(bridge_slave_0) entered blocking state [ 480.809624][ T109] bridge0: port 1(bridge_slave_0) entered forwarding state [ 480.849403][ T109] bridge0: port 2(bridge_slave_1) entered blocking state [ 480.856668][ T109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 481.441173][T12922] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 481.846476][T12922] veth0_vlan: entered promiscuous mode [ 481.860412][T12922] veth1_vlan: entered promiscuous mode [ 481.906128][T12922] veth0_macvtap: entered promiscuous mode [ 481.917442][T12922] veth1_macvtap: entered promiscuous mode [ 481.953168][T12922] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 481.970976][T12922] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 482.034785][ T349] netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.091593][ T349] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 482.100004][ T109] netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.113589][ T349] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 482.126175][ T109] netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.171341][ T109] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 482.179421][ T3260] netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.180180][ T109] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 482.774526][ T4938] Bluetooth: hci0: command tx timeout Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. [ 483.900276][T12962] loop8: detected capacity change from 0 to 32768 [ 483.973567][T12962] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 484.037060][T12962] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... executing program [ 484.167696][T12962] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 484.212773][ T9918] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 484.233825][ T9918] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 484.470430][ T9918] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 236ms [ 484.488957][ T9918] gfs2: fsid=syz:syz.0: jid=0: Done [ 484.503971][T12962] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 484.854229][ T4938] Bluetooth: hci0: command tx timeout [ 485.272007][T12971] loop0: detected capacity change from 0 to 32768 [ 485.327293][T12971] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 485.350142][T12971] CPU: 0 UID: 0 PID: 12971 Comm: syz-executor354 Not tainted syzkaller #0 PREEMPT(full) [ 485.350177][T12971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 485.350192][T12971] Call Trace: [ 485.350201][T12971] [ 485.350212][T12971] dump_stack_lvl+0xe8/0x150 [ 485.350253][T12971] sysfs_create_dir_ns+0x271/0x2a0 [ 485.350284][T12971] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 485.350313][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350343][T12971] ? do_raw_spin_unlock+0xf5/0x210 [ 485.350384][T12971] kobject_add_internal+0x622/0xcd0 [ 485.350427][T12971] kobject_init_and_add+0x12b/0x1a0 [ 485.350472][T12971] ? __pfx_kobject_init_and_add+0x10/0x10 [ 485.350509][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350541][T12971] ? __raw_spin_lock_init+0x45/0x100 [ 485.350578][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350606][T12971] ? __init_swait_queue_head+0xa8/0x150 [ 485.350643][T12971] gfs2_sys_fs_add+0x257/0x480 [ 485.350671][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350698][T12971] ? is_dynamic_key+0x1aa/0x1c0 [ 485.350724][T12971] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 485.350762][T12971] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 485.350806][T12971] gfs2_fill_super+0x1328/0x20b0 [ 485.350859][T12971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 485.350896][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350931][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.350960][T12971] ? sb_set_blocksize+0x155/0x240 [ 485.350994][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351023][T12971] ? setup_bdev_super+0x4c1/0x5b0 [ 485.351060][T12971] get_tree_bdev_flags+0x430/0x4f0 [ 485.351094][T12971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 485.351132][T12971] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 485.351168][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351206][T12971] gfs2_get_tree+0x51/0x1e0 [ 485.351255][T12971] vfs_get_tree+0x92/0x2a0 [ 485.351290][T12971] do_new_mount+0x319/0xdc0 [ 485.351314][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351349][T12971] ? __pfx_do_new_mount+0x10/0x10 [ 485.351375][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351409][T12971] ? ns_capable+0x89/0xe0 [ 485.351447][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351476][T12971] ? path_mount+0x647/0x1040 [ 485.351520][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351548][T12971] ? user_path_at+0xd4/0x160 [ 485.351580][T12971] __se_sys_mount+0x31d/0x420 [ 485.351603][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351640][T12971] ? __pfx___se_sys_mount+0x10/0x10 [ 485.351672][T12971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 485.351704][T12971] ? __x64_sys_mount+0x20/0xc0 [ 485.351728][T12971] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 485.351755][T12971] do_syscall_64+0x174/0x580 [ 485.351784][T12971] ? trace_irq_disable+0x3b/0x140 [ 485.351830][T12971] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 485.351855][T12971] RIP: 0033:0x7f5ac698585a [ 485.351878][T12971] Code: 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 485.351900][T12971] RSP: 002b:00007fff19e11988 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 485.351925][T12971] RAX: ffffffffffffffda RBX: 00007fff19e119a0 RCX: 00007f5ac698585a [ 485.351944][T12971] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fff19e119a0 [ 485.351962][T12971] RBP: 00002000000008c0 R08: 00007fff19e119e0 R09: 0000000000000000 [ 485.351980][T12971] R10: 0000000001010084 R11: 0000000000000246 R12: 0000200000037f40 [ 485.352002][T12971] R13: 00007fff19e119e0 R14: 0000000000000003 R15: 0000000001010084 [ 485.352038][T12971] [ 485.353334][T12971] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 485.628129][ T3260] netdevsim netdevsim8 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 485.636291][T12971] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 485.848210][ T3260] netdevsim netdevsim8 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 485.947338][ T3260] netdevsim netdevsim8 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0