1][ T6791] Call trace: [ 216.777569][ T6791] dump_backtrace+0x0/0x43c [ 216.778284][ T6791] show_stack+0x2c/0x3c [ 216.778874][ T6791] __dump_stack+0x30/0x40 [ 216.779499][ T6791] dump_stack_lvl+0xf8/0x160 [ 216.780126][ T6791] dump_stack+0x1c/0x5c [ 216.780775][ T6791] sysfs_create_dir_ns+0x22c/0x24c [ 216.781526][ T6791] kobject_add_internal+0x590/0xc54 [ 216.782247][ T6791] kobject_init_and_add+0x118/0x17c [ 216.783093][ T6791] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.783851][ T6791] gfs2_fill_super+0xdac/0x19e0 [ 216.784648][ T6791] get_tree_bdev+0x358/0x544 [ 216.785386][ T6791] gfs2_get_tree+0x54/0x1b4 [ 216.786118][ T6791] vfs_get_tree+0x90/0x274 [ 216.786818][ T6791] do_new_mount+0x228/0x810 [ 216.787558][ T6791] path_mount+0x5b4/0x1000 [ 216.788282][ T6791] __arm64_sys_mount+0x514/0x5e4 [ 216.789000][ T6791] invoke_syscall+0x98/0x2b8 [ 216.789635][ T6791] el0_svc_common+0x138/0x258 [ 216.790306][ T6791] do_el0_svc+0x58/0x14c [ 216.790957][ T6791] el0_svc+0x78/0x1e0 [ 216.791609][ T6791] el0t_64_sync_handler+0xcc/0xe4 [ 216.792402][ T6791] el0t_64_sync+0x1a0/0x1a4 [ 216.796052][ T6791] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 216.798038][ T6791] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 216.862385][ T6794] chnl_net:caif_netlink_parms(): no params data found [ 216.879939][ T6794] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.881254][ T6794] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.884625][ T6794] device bridge_slave_0 entered promiscuous mode [ 216.886500][ T6794] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.887585][ T6794] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.889081][ T6794] device bridge_slave_1 entered promiscuous mode [ 216.897718][ T6794] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.900264][ T6794] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.910484][ T6794] team0: Port device team_slave_0 added [ 216.913127][ T6794] team0: Port device team_slave_1 added [ 216.919448][ T6794] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 216.920627][ T6794] 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 1560 would solve the problem. [ 216.925036][ T6794] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 216.927381][ T6794] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 216.928509][ T6794] 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 1560 would solve the problem. [ 216.932638][ T6794] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 216.973999][ T6794] device hsr_slave_0 entered promiscuous mode [ 217.013129][ T6794] device hsr_slave_1 entered promiscuous mode [ 217.062879][ T6794] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 217.064054][ T6794] Cannot create hsr debugfs directory [ 217.099802][ T6794] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.526761][ T6794] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.568231][ T6794] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.626680][ T6794] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.764983][ T6794] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 217.819177][ T6794] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 217.868852][ T6794] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 217.903862][ T6794] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 217.987893][ T6794] 8021q: adding VLAN 0 to HW filter on device bond0 [ 217.992271][ T6794] 8021q: adding VLAN 0 to HW filter on device team0 [ 217.994415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 217.995853][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 217.998641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 218.000079][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 218.001484][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 218.002544][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 218.004495][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 218.007141][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 218.008745][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 218.010277][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 218.011363][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 218.015626][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 218.018491][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 218.021151][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 218.024385][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 218.025962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 218.031298][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 218.034179][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 218.037681][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 218.039205][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 218.041789][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 218.044074][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 218.046335][ T6794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 218.085644][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 218.086985][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 218.089901][ T6794] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 218.096666][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 218.098295][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 218.107901][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 218.109398][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 218.110919][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 218.112289][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 218.116246][ T6794] device veth0_vlan entered promiscuous mode [ 218.119457][ T6794] device veth1_vlan entered promiscuous mode [ 218.126068][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 218.127494][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 218.128918][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 218.130420][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 218.132792][ T6794] device veth0_macvtap entered promiscuous mode [ 218.136974][ T6794] device veth1_macvtap entered promiscuous mode [ 218.141554][ T6794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 218.143679][ T6794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 218.145137][ T6794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 218.146749][ T6794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 218.149011][ T6794] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 218.154849][ T6794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 218.156472][ T6794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 218.158090][ T6794] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 218.159812][ T6794] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 218.161798][ T6794] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 218.163899][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 218.165498][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 218.167011][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 218.168421][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 218.169936][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 218.171385][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 218.175899][ T6794] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 218.177248][ T6794] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 218.178607][ T6794] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 218.180036][ T6794] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 218.198163][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 218.199586][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 218.201806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 218.206243][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 218.208220][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 218.210018][ T883] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:38 executed programs: 604 [ 218.351802][ T6812] loop1: detected capacity change from 0 to 32768 [ 218.406497][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.407733][ T6812] CPU: 0 PID: 6812 Comm: syz.1.618 Not tainted syzkaller #0 [ 218.408860][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.410293][ T6812] Call trace: [ 218.410817][ T6812] dump_backtrace+0x0/0x43c [ 218.411619][ T6812] show_stack+0x2c/0x3c [ 218.412289][ T6812] __dump_stack+0x30/0x40 [ 218.412979][ T6812] dump_stack_lvl+0xf8/0x160 [ 218.413736][ T6812] dump_stack+0x1c/0x5c [ 218.414352][ T6812] sysfs_create_dir_ns+0x22c/0x24c [ 218.415122][ T6812] kobject_add_internal+0x590/0xc54 [ 218.415912][ T6812] kobject_init_and_add+0x118/0x17c [ 218.416722][ T6812] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.417425][ T6812] gfs2_fill_super+0xdac/0x19e0 [ 218.418175][ T6812] get_tree_bdev+0x358/0x544 [ 218.418951][ T6812] gfs2_get_tree+0x54/0x1b4 [ 218.419633][ T6812] vfs_get_tree+0x90/0x274 [ 218.420335][ T6812] do_new_mount+0x228/0x810 [ 218.421095][ T6812] path_mount+0x5b4/0x1000 [ 218.421767][ T6812] __arm64_sys_mount+0x514/0x5e4 [ 218.422495][ T6812] invoke_syscall+0x98/0x2b8 [ 218.423183][ T6812] el0_svc_common+0x138/0x258 [ 218.423872][ T6812] do_el0_svc+0x58/0x14c [ 218.424479][ T6812] el0_svc+0x78/0x1e0 [ 218.425030][ T6812] el0t_64_sync_handler+0xcc/0xe4 [ 218.425704][ T6812] el0t_64_sync+0x1a0/0x1a4 [ 218.428398][ T6812] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.430524][ T6812] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.563677][ T6815] loop1: detected capacity change from 0 to 32768 [ 218.635484][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.636746][ T6815] CPU: 1 PID: 6815 Comm: syz.1.619 Not tainted syzkaller #0 [ 218.637934][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.639610][ T6815] Call trace: [ 218.640120][ T6815] dump_backtrace+0x0/0x43c [ 218.640792][ T6815] show_stack+0x2c/0x3c [ 218.641441][ T6815] __dump_stack+0x30/0x40 [ 218.642146][ T6815] dump_stack_lvl+0xf8/0x160 [ 218.642845][ T6815] dump_stack+0x1c/0x5c [ 218.643487][ T6815] sysfs_create_dir_ns+0x22c/0x24c [ 218.644242][ T6815] kobject_add_internal+0x590/0xc54 [ 218.645046][ T6815] kobject_init_and_add+0x118/0x17c [ 218.645805][ T6815] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.646534][ T6815] gfs2_fill_super+0xdac/0x19e0 [ 218.647237][ T6815] get_tree_bdev+0x358/0x544 [ 218.647980][ T6815] gfs2_get_tree+0x54/0x1b4 [ 218.648631][ T6815] vfs_get_tree+0x90/0x274 [ 218.649309][ T6815] do_new_mount+0x228/0x810 [ 218.650015][ T6815] path_mount+0x5b4/0x1000 [ 218.650666][ T6815] __arm64_sys_mount+0x514/0x5e4 [ 218.651443][ T6815] invoke_syscall+0x98/0x2b8 [ 218.652151][ T6815] el0_svc_common+0x138/0x258 [ 218.652925][ T6815] do_el0_svc+0x58/0x14c [ 218.653591][ T6815] el0_svc+0x78/0x1e0 [ 218.654278][ T6815] el0t_64_sync_handler+0xcc/0xe4 [ 218.655142][ T6815] el0t_64_sync+0x1a0/0x1a4 [ 218.657792][ T6815] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.659834][ T6815] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.791692][ T6818] loop1: detected capacity change from 0 to 32768 [ 218.834840][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.836082][ T6818] CPU: 1 PID: 6818 Comm: syz.1.620 Not tainted syzkaller #0 [ 218.837235][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.838787][ T6818] Call trace: [ 218.839270][ T6818] dump_backtrace+0x0/0x43c [ 218.839900][ T6818] show_stack+0x2c/0x3c [ 218.840494][ T6818] __dump_stack+0x30/0x40 [ 218.841166][ T6818] dump_stack_lvl+0xf8/0x160 [ 218.841941][ T6818] dump_stack+0x1c/0x5c [ 218.842567][ T6818] sysfs_create_dir_ns+0x22c/0x24c [ 218.843358][ T6818] kobject_add_internal+0x590/0xc54 [ 218.844174][ T6818] kobject_init_and_add+0x118/0x17c [ 218.844994][ T6818] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.845769][ T6818] gfs2_fill_super+0xdac/0x19e0 [ 218.846493][ T6818] get_tree_bdev+0x358/0x544 [ 218.847293][ T6818] gfs2_get_tree+0x54/0x1b4 [ 218.848008][ T6818] vfs_get_tree+0x90/0x274 [ 218.848661][ T6818] do_new_mount+0x228/0x810 [ 218.849425][ T6818] path_mount+0x5b4/0x1000 [ 218.850129][ T6818] __arm64_sys_mount+0x514/0x5e4 [ 218.850938][ T6818] invoke_syscall+0x98/0x2b8 [ 218.851648][ T6818] el0_svc_common+0x138/0x258 [ 218.852370][ T6818] do_el0_svc+0x58/0x14c [ 218.853056][ T6818] el0_svc+0x78/0x1e0 [ 218.853724][ T6818] el0t_64_sync_handler+0xcc/0xe4 [ 218.854555][ T6818] el0t_64_sync+0x1a0/0x1a4 [ 218.857947][ T6818] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.860102][ T6818] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.913107][ T4177] Bluetooth: hci2: command 0x0409 tx timeout [ 218.989221][ T348] device hsr_slave_0 left promiscuous mode [ 219.033152][ T348] device hsr_slave_1 left promiscuous mode [ 219.077855][ T6821] loop1: detected capacity change from 0 to 32768 [ 219.122921][ T348] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 219.124028][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.124110][ T348] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 219.125245][ T6821] CPU: 1 PID: 6821 Comm: syz.1.621 Not tainted syzkaller #0 [ 219.127374][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.128778][ T6821] Call trace: [ 219.129238][ T6821] dump_backtrace+0x0/0x43c [ 219.129929][ T6821] show_stack+0x2c/0x3c [ 219.130580][ T6821] __dump_stack+0x30/0x40 [ 219.131228][ T6821] dump_stack_lvl+0xf8/0x160 [ 219.131898][ T6821] dump_stack+0x1c/0x5c [ 219.132543][ T6821] sysfs_create_dir_ns+0x22c/0x24c [ 219.133297][ T6821] kobject_add_internal+0x590/0xc54 [ 219.134008][ T6821] kobject_init_and_add+0x118/0x17c [ 219.134804][ T6821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.135514][ T6821] gfs2_fill_super+0xdac/0x19e0 [ 219.136236][ T6821] get_tree_bdev+0x358/0x544 [ 219.136914][ T6821] gfs2_get_tree+0x54/0x1b4 [ 219.137559][ T6821] vfs_get_tree+0x90/0x274 [ 219.138250][ T6821] do_new_mount+0x228/0x810 [ 219.138978][ T6821] path_mount+0x5b4/0x1000 [ 219.139735][ T6821] __arm64_sys_mount+0x514/0x5e4 [ 219.140507][ T6821] invoke_syscall+0x98/0x2b8 [ 219.141242][ T6821] el0_svc_common+0x138/0x258 [ 219.141973][ T6821] do_el0_svc+0x58/0x14c [ 219.142597][ T6821] el0_svc+0x78/0x1e0 [ 219.143240][ T6821] el0t_64_sync_handler+0xcc/0xe4 [ 219.144049][ T6821] el0t_64_sync+0x1a0/0x1a4 [ 219.146432][ T6821] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.146977][ T348] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 219.148401][ T6821] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.149632][ T348] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 219.155205][ T348] device bridge_slave_1 left promiscuous mode [ 219.156335][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 219.213877][ T348] device bridge_slave_0 left promiscuous mode [ 219.214960][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 219.332949][ T348] device veth1_macvtap left promiscuous mode [ 219.333974][ T348] device veth0_macvtap left promiscuous mode [ 219.334952][ T348] device veth1_vlan left promiscuous mode [ 219.335942][ T348] device veth0_vlan left promiscuous mode [ 219.338775][ T6824] loop1: detected capacity change from 0 to 32768 [ 219.345024][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.346293][ T6824] CPU: 0 PID: 6824 Comm: syz.1.622 Not tainted syzkaller #0 [ 219.347426][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.349031][ T6824] Call trace: [ 219.349568][ T6824] dump_backtrace+0x0/0x43c [ 219.350284][ T6824] show_stack+0x2c/0x3c [ 219.350860][ T6824] __dump_stack+0x30/0x40 [ 219.351469][ T6824] dump_stack_lvl+0xf8/0x160 [ 219.352153][ T6824] dump_stack+0x1c/0x5c [ 219.352816][ T6824] sysfs_create_dir_ns+0x22c/0x24c [ 219.353655][ T6824] kobject_add_internal+0x590/0xc54 [ 219.354491][ T6824] kobject_init_and_add+0x118/0x17c [ 219.355343][ T6824] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.356109][ T6824] gfs2_fill_super+0xdac/0x19e0 [ 219.356854][ T6824] get_tree_bdev+0x358/0x544 [ 219.357552][ T6824] gfs2_get_tree+0x54/0x1b4 [ 219.358203][ T6824] vfs_get_tree+0x90/0x274 [ 219.358927][ T6824] do_new_mount+0x228/0x810 [ 219.359662][ T6824] path_mount+0x5b4/0x1000 [ 219.360341][ T6824] __arm64_sys_mount+0x514/0x5e4 [ 219.361168][ T6824] invoke_syscall+0x98/0x2b8 [ 219.361951][ T6824] el0_svc_common+0x138/0x258 [ 219.362689][ T6824] do_el0_svc+0x58/0x14c [ 219.363413][ T6824] el0_svc+0x78/0x1e0 [ 219.364075][ T6824] el0t_64_sync_handler+0xcc/0xe4 [ 219.364906][ T6824] el0t_64_sync+0x1a0/0x1a4 [ 219.366280][ T6824] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.368415][ T6824] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.499426][ T348] team0 (unregistering): Port device team_slave_1 removed [ 219.501865][ T6827] loop1: detected capacity change from 0 to 32768 [ 219.508933][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.510107][ T6827] CPU: 0 PID: 6827 Comm: syz.1.623 Not tainted syzkaller #0 [ 219.511310][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.512977][ T6827] Call trace: [ 219.513532][ T6827] dump_backtrace+0x0/0x43c [ 219.514301][ T6827] show_stack+0x2c/0x3c [ 219.514982][ T6827] __dump_stack+0x30/0x40 [ 219.515726][ T6827] dump_stack_lvl+0xf8/0x160 [ 219.516456][ T6827] dump_stack+0x1c/0x5c [ 219.517199][ T6827] sysfs_create_dir_ns+0x22c/0x24c [ 219.518086][ T6827] kobject_add_internal+0x590/0xc54 [ 219.518977][ T6827] kobject_init_and_add+0x118/0x17c [ 219.519863][ T6827] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.520612][ T6827] gfs2_fill_super+0xdac/0x19e0 [ 219.521353][ T6827] get_tree_bdev+0x358/0x544 [ 219.522112][ T6827] gfs2_get_tree+0x54/0x1b4 [ 219.522835][ T6827] vfs_get_tree+0x90/0x274 [ 219.523558][ T6827] do_new_mount+0x228/0x810 [ 219.524337][ T6827] path_mount+0x5b4/0x1000 [ 219.525058][ T6827] __arm64_sys_mount+0x514/0x5e4 [ 219.525844][ T6827] invoke_syscall+0x98/0x2b8 [ 219.526204][ T348] team0 (unregistering): Port device team_slave_0 removed [ 219.526600][ T6827] el0_svc_common+0x138/0x258 [ 219.528488][ T6827] do_el0_svc+0x58/0x14c [ 219.529168][ T6827] el0_svc+0x78/0x1e0 [ 219.529833][ T6827] el0t_64_sync_handler+0xcc/0xe4 [ 219.530652][ T6827] el0t_64_sync+0x1a0/0x1a4 [ 219.534136][ T6827] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.536205][ T6827] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.543003][ T348] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 219.576120][ T348] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 219.668894][ T6830] loop1: detected capacity change from 0 to 32768 [ 219.675638][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.676982][ T6830] CPU: 0 PID: 6830 Comm: syz.1.624 Not tainted syzkaller #0 [ 219.678046][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.679481][ T6830] Call trace: [ 219.679965][ T6830] dump_backtrace+0x0/0x43c [ 219.680668][ T6830] show_stack+0x2c/0x3c [ 219.681269][ T6830] __dump_stack+0x30/0x40 [ 219.681990][ T6830] dump_stack_lvl+0xf8/0x160 [ 219.682726][ T6830] dump_stack+0x1c/0x5c [ 219.683394][ T6830] sysfs_create_dir_ns+0x22c/0x24c [ 219.684232][ T6830] kobject_add_internal+0x590/0xc54 [ 219.685039][ T6830] kobject_init_and_add+0x118/0x17c [ 219.685860][ T6830] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.686625][ T6830] gfs2_fill_super+0xdac/0x19e0 [ 219.687276][ T348] bond0 (unregistering): Released all slaves [ 219.687335][ T6830] get_tree_bdev+0x358/0x544 [ 219.689038][ T6830] gfs2_get_tree+0x54/0x1b4 [ 219.689762][ T6830] vfs_get_tree+0x90/0x274 [ 219.690491][ T6830] do_new_mount+0x228/0x810 [ 219.691241][ T6830] path_mount+0x5b4/0x1000 [ 219.692000][ T6830] __arm64_sys_mount+0x514/0x5e4 [ 219.692803][ T6830] invoke_syscall+0x98/0x2b8 [ 219.693583][ T6830] el0_svc_common+0x138/0x258 [ 219.694346][ T6830] do_el0_svc+0x58/0x14c [ 219.695043][ T6830] el0_svc+0x78/0x1e0 [ 219.695702][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 219.696517][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 219.698591][ T6830] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.700584][ T6830] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.906873][ T6833] loop1: detected capacity change from 0 to 32768 [ 219.948171][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.949445][ T6833] CPU: 0 PID: 6833 Comm: syz.1.625 Not tainted syzkaller #0 [ 219.950689][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.952357][ T6833] Call trace: [ 219.952872][ T6833] dump_backtrace+0x0/0x43c [ 219.953604][ T6833] show_stack+0x2c/0x3c [ 219.954273][ T6833] __dump_stack+0x30/0x40 [ 219.954964][ T6833] dump_stack_lvl+0xf8/0x160 [ 219.955677][ T6833] dump_stack+0x1c/0x5c [ 219.956362][ T6833] sysfs_create_dir_ns+0x22c/0x24c [ 219.957140][ T6833] kobject_add_internal+0x590/0xc54 [ 219.957969][ T6833] kobject_init_and_add+0x118/0x17c [ 219.958842][ T6833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.959582][ T6833] gfs2_fill_super+0xdac/0x19e0 [ 219.960365][ T6833] get_tree_bdev+0x358/0x544 [ 219.961128][ T6833] gfs2_get_tree+0x54/0x1b4 [ 219.961873][ T6833] vfs_get_tree+0x90/0x274 [ 219.962547][ T6833] do_new_mount+0x228/0x810 [ 219.963229][ T6833] path_mount+0x5b4/0x1000 [ 219.963948][ T6833] __arm64_sys_mount+0x514/0x5e4 [ 219.964748][ T6833] invoke_syscall+0x98/0x2b8 [ 219.965543][ T6833] el0_svc_common+0x138/0x258 [ 219.966306][ T6833] do_el0_svc+0x58/0x14c [ 219.966990][ T6833] el0_svc+0x78/0x1e0 [ 219.967623][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 219.968440][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 219.969692][ T6833] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.971714][ T6833] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.103728][ T6836] loop1: detected capacity change from 0 to 32768 [ 220.147781][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.149041][ T6836] CPU: 0 PID: 6836 Comm: syz.1.626 Not tainted syzkaller #0 [ 220.150210][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.151846][ T6836] Call trace: [ 220.152350][ T6836] dump_backtrace+0x0/0x43c [ 220.153068][ T6836] show_stack+0x2c/0x3c [ 220.153755][ T6836] __dump_stack+0x30/0x40 [ 220.154416][ T6836] dump_stack_lvl+0xf8/0x160 [ 220.155145][ T6836] dump_stack+0x1c/0x5c [ 220.155824][ T6836] sysfs_create_dir_ns+0x22c/0x24c [ 220.156594][ T6836] kobject_add_internal+0x590/0xc54 [ 220.157333][ T6836] kobject_init_and_add+0x118/0x17c [ 220.158153][ T6836] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.158899][ T6836] gfs2_fill_super+0xdac/0x19e0 [ 220.159664][ T6836] get_tree_bdev+0x358/0x544 [ 220.160356][ T6836] gfs2_get_tree+0x54/0x1b4 [ 220.161083][ T6836] vfs_get_tree+0x90/0x274 [ 220.161782][ T6836] do_new_mount+0x228/0x810 [ 220.162537][ T6836] path_mount+0x5b4/0x1000 [ 220.163238][ T6836] __arm64_sys_mount+0x514/0x5e4 [ 220.164016][ T6836] invoke_syscall+0x98/0x2b8 [ 220.164749][ T6836] el0_svc_common+0x138/0x258 [ 220.165513][ T6836] do_el0_svc+0x58/0x14c [ 220.166186][ T6836] el0_svc+0x78/0x1e0 [ 220.166794][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 220.167641][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 220.168887][ T6836] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.170845][ T6836] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.302103][ T6839] loop1: detected capacity change from 0 to 32768 [ 220.309361][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.310567][ T6839] CPU: 1 PID: 6839 Comm: syz.1.627 Not tainted syzkaller #0 [ 220.311680][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.313270][ T6839] Call trace: [ 220.313758][ T6839] dump_backtrace+0x0/0x43c [ 220.314495][ T6839] show_stack+0x2c/0x3c [ 220.315149][ T6839] __dump_stack+0x30/0x40 [ 220.315840][ T6839] dump_stack_lvl+0xf8/0x160 [ 220.316604][ T6839] dump_stack+0x1c/0x5c [ 220.317262][ T6839] sysfs_create_dir_ns+0x22c/0x24c [ 220.318050][ T6839] kobject_add_internal+0x590/0xc54 [ 220.318881][ T6839] kobject_init_and_add+0x118/0x17c [ 220.319742][ T6839] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.320481][ T6839] gfs2_fill_super+0xdac/0x19e0 [ 220.321273][ T6839] get_tree_bdev+0x358/0x544 [ 220.322022][ T6839] gfs2_get_tree+0x54/0x1b4 [ 220.322769][ T6839] vfs_get_tree+0x90/0x274 [ 220.323487][ T6839] do_new_mount+0x228/0x810 [ 220.324190][ T6839] path_mount+0x5b4/0x1000 [ 220.324847][ T6839] __arm64_sys_mount+0x514/0x5e4 [ 220.325627][ T6839] invoke_syscall+0x98/0x2b8 [ 220.326406][ T6839] el0_svc_common+0x138/0x258 [ 220.327139][ T6839] do_el0_svc+0x58/0x14c [ 220.327723][ T6839] el0_svc+0x78/0x1e0 [ 220.328321][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 220.329085][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 220.331309][ T6839] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.333375][ T6839] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.460965][ T6842] loop1: detected capacity change from 0 to 32768 [ 220.494112][ T6842] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.495636][ T6842] CPU: 0 PID: 6842 Comm: syz.1.628 Not tainted syzkaller #0 [ 220.496787][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.498220][ T6842] Call trace: [ 220.498728][ T6842] dump_backtrace+0x0/0x43c [ 220.499411][ T6842] show_stack+0x2c/0x3c [ 220.500084][ T6842] __dump_stack+0x30/0x40 [ 220.500759][ T6842] dump_stack_lvl+0xf8/0x160 [ 220.501492][ T6842] dump_stack+0x1c/0x5c [ 220.502124][ T6842] sysfs_create_dir_ns+0x22c/0x24c [ 220.502929][ T6842] kobject_add_internal+0x590/0xc54 [ 220.503733][ T6842] kobject_init_and_add+0x118/0x17c [ 220.504485][ T6842] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.505160][ T6842] gfs2_fill_super+0xdac/0x19e0 [ 220.505935][ T6842] get_tree_bdev+0x358/0x544 [ 220.506689][ T6842] gfs2_get_tree+0x54/0x1b4 [ 220.507449][ T6842] vfs_get_tree+0x90/0x274 [ 220.508184][ T6842] do_new_mount+0x228/0x810 [ 220.508937][ T6842] path_mount+0x5b4/0x1000 [ 220.509711][ T6842] __arm64_sys_mount+0x514/0x5e4 [ 220.510532][ T6842] invoke_syscall+0x98/0x2b8 [ 220.511273][ T6842] el0_svc_common+0x138/0x258 [ 220.512078][ T6842] do_el0_svc+0x58/0x14c [ 220.512778][ T6842] el0_svc+0x78/0x1e0 [ 220.513420][ T6842] el0t_64_sync_handler+0xcc/0xe4 [ 220.514250][ T6842] el0t_64_sync+0x1a0/0x1a4 [ 220.522966][ T6842] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.525001][ T6842] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.657089][ T6845] loop1: detected capacity change from 0 to 32768 [ 220.704451][ T6845] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.705694][ T6845] CPU: 0 PID: 6845 Comm: syz.1.629 Not tainted syzkaller #0 [ 220.706831][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.708328][ T6845] Call trace: [ 220.708830][ T6845] dump_backtrace+0x0/0x43c [ 220.709533][ T6845] show_stack+0x2c/0x3c [ 220.710189][ T6845] __dump_stack+0x30/0x40 [ 220.710952][ T6845] dump_stack_lvl+0xf8/0x160 [ 220.711688][ T6845] dump_stack+0x1c/0x5c [ 220.712351][ T6845] sysfs_create_dir_ns+0x22c/0x24c [ 220.713102][ T6845] kobject_add_internal+0x590/0xc54 [ 220.713855][ T6845] kobject_init_and_add+0x118/0x17c [ 220.714634][ T6845] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.715397][ T6845] gfs2_fill_super+0xdac/0x19e0 [ 220.716257][ T6845] get_tree_bdev+0x358/0x544 [ 220.716978][ T6845] gfs2_get_tree+0x54/0x1b4 [ 220.717723][ T6845] vfs_get_tree+0x90/0x274 [ 220.718444][ T6845] do_new_mount+0x228/0x810 [ 220.719222][ T6845] path_mount+0x5b4/0x1000 [ 220.719989][ T6845] __arm64_sys_mount+0x514/0x5e4 [ 220.720843][ T6845] invoke_syscall+0x98/0x2b8 [ 220.721599][ T6845] el0_svc_common+0x138/0x258 [ 220.722366][ T6845] do_el0_svc+0x58/0x14c [ 220.723053][ T6845] el0_svc+0x78/0x1e0 [ 220.723703][ T6845] el0t_64_sync_handler+0xcc/0xe4 [ 220.724501][ T6845] el0t_64_sync+0x1a0/0x1a4 [ 220.726027][ T6845] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.728048][ T6845] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.865879][ T6848] loop1: detected capacity change from 0 to 32768 [ 220.915917][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.917117][ T6848] CPU: 0 PID: 6848 Comm: syz.1.630 Not tainted syzkaller #0 [ 220.918146][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.919547][ T6848] Call trace: [ 220.919991][ T6848] dump_backtrace+0x0/0x43c [ 220.920616][ T6848] show_stack+0x2c/0x3c [ 220.921219][ T6848] __dump_stack+0x30/0x40 [ 220.921844][ T6848] dump_stack_lvl+0xf8/0x160 [ 220.922494][ T6848] dump_stack+0x1c/0x5c [ 220.923120][ T6848] sysfs_create_dir_ns+0x22c/0x24c [ 220.923889][ T6848] kobject_add_internal+0x590/0xc54 [ 220.924638][ T6848] kobject_init_and_add+0x118/0x17c [ 220.925379][ T6848] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.926079][ T6848] gfs2_fill_super+0xdac/0x19e0 [ 220.926808][ T6848] get_tree_bdev+0x358/0x544 [ 220.927495][ T6848] gfs2_get_tree+0x54/0x1b4 [ 220.928262][ T6848] vfs_get_tree+0x90/0x274 [ 220.928986][ T6848] do_new_mount+0x228/0x810 [ 220.929720][ T6848] path_mount+0x5b4/0x1000 [ 220.930427][ T6848] __arm64_sys_mount+0x514/0x5e4 [ 220.931184][ T6848] invoke_syscall+0x98/0x2b8 [ 220.931911][ T6848] el0_svc_common+0x138/0x258 [ 220.932679][ T6848] do_el0_svc+0x58/0x14c [ 220.933399][ T6848] el0_svc+0x78/0x1e0 [ 220.934057][ T6848] el0t_64_sync_handler+0xcc/0xe4 [ 220.934854][ T6848] el0t_64_sync+0x1a0/0x1a4 [ 220.937466][ T6848] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.939484][ T6848] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.992938][ T4177] Bluetooth: hci2: command 0x041b tx timeout [ 221.071537][ T6851] loop1: detected capacity change from 0 to 32768 [ 221.076599][ T6851] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.077793][ T6851] CPU: 1 PID: 6851 Comm: syz.1.631 Not tainted syzkaller #0 [ 221.078917][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.080552][ T6851] Call trace: [ 221.081078][ T6851] dump_backtrace+0x0/0x43c [ 221.081781][ T6851] show_stack+0x2c/0x3c [ 221.082443][ T6851] __dump_stack+0x30/0x40 [ 221.083159][ T6851] dump_stack_lvl+0xf8/0x160 [ 221.083858][ T6851] dump_stack+0x1c/0x5c [ 221.084498][ T6851] sysfs_create_dir_ns+0x22c/0x24c [ 221.085333][ T6851] kobject_add_internal+0x590/0xc54 [ 221.086212][ T6851] kobject_init_and_add+0x118/0x17c [ 221.087062][ T6851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.087796][ T6851] gfs2_fill_super+0xdac/0x19e0 [ 221.088591][ T6851] get_tree_bdev+0x358/0x544 [ 221.089354][ T6851] gfs2_get_tree+0x54/0x1b4 [ 221.090114][ T6851] vfs_get_tree+0x90/0x274 [ 221.090848][ T6851] do_new_mount+0x228/0x810 [ 221.091601][ T6851] path_mount+0x5b4/0x1000 [ 221.092335][ T6851] __arm64_sys_mount+0x514/0x5e4 [ 221.093165][ T6851] invoke_syscall+0x98/0x2b8 [ 221.093918][ T6851] el0_svc_common+0x138/0x258 [ 221.094693][ T6851] do_el0_svc+0x58/0x14c [ 221.095389][ T6851] el0_svc+0x78/0x1e0 [ 221.096043][ T6851] el0t_64_sync_handler+0xcc/0xe4 [ 221.096869][ T6851] el0t_64_sync+0x1a0/0x1a4 [ 221.100869][ T6851] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.103558][ T6851] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.314806][ T6854] loop1: detected capacity change from 0 to 32768 [ 221.325390][ T6854] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.326533][ T6854] CPU: 1 PID: 6854 Comm: syz.1.632 Not tainted syzkaller #0 [ 221.327680][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.329320][ T6854] Call trace: [ 221.329856][ T6854] dump_backtrace+0x0/0x43c [ 221.330574][ T6854] show_stack+0x2c/0x3c [ 221.331274][ T6854] __dump_stack+0x30/0x40 [ 221.331985][ T6854] dump_stack_lvl+0xf8/0x160 [ 221.332701][ T6854] dump_stack+0x1c/0x5c [ 221.333363][ T6854] sysfs_create_dir_ns+0x22c/0x24c [ 221.334125][ T6854] kobject_add_internal+0x590/0xc54 [ 221.335055][ T6854] kobject_init_and_add+0x118/0x17c [ 221.335917][ T6854] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.336725][ T6854] gfs2_fill_super+0xdac/0x19e0 [ 221.337519][ T6854] get_tree_bdev+0x358/0x544 [ 221.338296][ T6854] gfs2_get_tree+0x54/0x1b4 [ 221.339055][ T6854] vfs_get_tree+0x90/0x274 [ 221.339756][ T6854] do_new_mount+0x228/0x810 [ 221.340478][ T6854] path_mount+0x5b4/0x1000 [ 221.341189][ T6854] __arm64_sys_mount+0x514/0x5e4 [ 221.341937][ T6854] invoke_syscall+0x98/0x2b8 [ 221.342590][ T6854] el0_svc_common+0x138/0x258 [ 221.343246][ T6854] do_el0_svc+0x58/0x14c [ 221.343922][ T6854] el0_svc+0x78/0x1e0 [ 221.344512][ T6854] el0t_64_sync_handler+0xcc/0xe4 [ 221.345259][ T6854] el0t_64_sync+0x1a0/0x1a4 [ 221.347246][ T6854] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.349481][ T6854] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.601900][ T6857] loop1: detected capacity change from 0 to 32768 [ 221.607953][ T6857] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.609103][ T6857] CPU: 1 PID: 6857 Comm: syz.1.633 Not tainted syzkaller #0 [ 221.610253][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.611906][ T6857] Call trace: [ 221.612481][ T6857] dump_backtrace+0x0/0x43c [ 221.613237][ T6857] show_stack+0x2c/0x3c [ 221.613896][ T6857] __dump_stack+0x30/0x40 [ 221.614598][ T6857] dump_stack_lvl+0xf8/0x160 [ 221.615314][ T6857] dump_stack+0x1c/0x5c [ 221.615954][ T6857] sysfs_create_dir_ns+0x22c/0x24c [ 221.616743][ T6857] kobject_add_internal+0x590/0xc54 [ 221.617554][ T6857] kobject_init_and_add+0x118/0x17c [ 221.618387][ T6857] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.619142][ T6857] gfs2_fill_super+0xdac/0x19e0 [ 221.619896][ T6857] get_tree_bdev+0x358/0x544 [ 221.620570][ T6857] gfs2_get_tree+0x54/0x1b4 [ 221.621285][ T6857] vfs_get_tree+0x90/0x274 [ 221.621889][ T6857] do_new_mount+0x228/0x810 [ 221.622514][ T6857] path_mount+0x5b4/0x1000 [ 221.623134][ T6857] __arm64_sys_mount+0x514/0x5e4 [ 221.623872][ T6857] invoke_syscall+0x98/0x2b8 [ 221.624545][ T6857] el0_svc_common+0x138/0x258 [ 221.625324][ T6857] do_el0_svc+0x58/0x14c [ 221.626035][ T6857] el0_svc+0x78/0x1e0 [ 221.626705][ T6857] el0t_64_sync_handler+0xcc/0xe4 [ 221.627484][ T6857] el0t_64_sync+0x1a0/0x1a4 [ 221.629789][ T6857] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.631901][ T6857] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.760866][ T6860] loop1: detected capacity change from 0 to 32768 [ 221.763925][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.765095][ T6860] CPU: 1 PID: 6860 Comm: syz.1.634 Not tainted syzkaller #0 [ 221.766269][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.767781][ T6860] Call trace: [ 221.768270][ T6860] dump_backtrace+0x0/0x43c [ 221.768948][ T6860] show_stack+0x2c/0x3c [ 221.769601][ T6860] __dump_stack+0x30/0x40 [ 221.770287][ T6860] dump_stack_lvl+0xf8/0x160 [ 221.770966][ T6860] dump_stack+0x1c/0x5c [ 221.771650][ T6860] sysfs_create_dir_ns+0x22c/0x24c [ 221.772476][ T6860] kobject_add_internal+0x590/0xc54 [ 221.773245][ T6860] kobject_init_and_add+0x118/0x17c [ 221.774071][ T6860] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.774792][ T6860] gfs2_fill_super+0xdac/0x19e0 [ 221.775541][ T6860] get_tree_bdev+0x358/0x544 [ 221.776330][ T6860] gfs2_get_tree+0x54/0x1b4 [ 221.777059][ T6860] vfs_get_tree+0x90/0x274 [ 221.777771][ T6860] do_new_mount+0x228/0x810 [ 221.778429][ T6860] path_mount+0x5b4/0x1000 [ 221.779134][ T6860] __arm64_sys_mount+0x514/0x5e4 [ 221.779924][ T6860] invoke_syscall+0x98/0x2b8 [ 221.780618][ T6860] el0_svc_common+0x138/0x258 [ 221.781357][ T6860] do_el0_svc+0x58/0x14c [ 221.782013][ T6860] el0_svc+0x78/0x1e0 [ 221.782668][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 221.783435][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 221.784671][ T6860] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.786642][ T6860] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.947203][ T6863] loop1: detected capacity change from 0 to 32768 [ 221.995559][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.996798][ T6863] CPU: 1 PID: 6863 Comm: syz.1.635 Not tainted syzkaller #0 [ 221.997991][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.999492][ T6863] Call trace: [ 221.999931][ T6863] dump_backtrace+0x0/0x43c [ 222.000535][ T6863] show_stack+0x2c/0x3c [ 222.001150][ T6863] __dump_stack+0x30/0x40 [ 222.001811][ T6863] dump_stack_lvl+0xf8/0x160 [ 222.002594][ T6863] dump_stack+0x1c/0x5c [ 222.003310][ T6863] sysfs_create_dir_ns+0x22c/0x24c [ 222.004132][ T6863] kobject_add_internal+0x590/0xc54 [ 222.004968][ T6863] kobject_init_and_add+0x118/0x17c [ 222.005774][ T6863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.006590][ T6863] gfs2_fill_super+0xdac/0x19e0 [ 222.007378][ T6863] get_tree_bdev+0x358/0x544 [ 222.008088][ T6863] gfs2_get_tree+0x54/0x1b4 [ 222.008839][ T6863] vfs_get_tree+0x90/0x274 [ 222.009585][ T6863] do_new_mount+0x228/0x810 [ 222.010312][ T6863] path_mount+0x5b4/0x1000 [ 222.011016][ T6863] __arm64_sys_mount+0x514/0x5e4 [ 222.011779][ T6863] invoke_syscall+0x98/0x2b8 [ 222.012482][ T6863] el0_svc_common+0x138/0x258 [ 222.013179][ T6863] do_el0_svc+0x58/0x14c [ 222.013882][ T6863] el0_svc+0x78/0x1e0 [ 222.014506][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 222.015294][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 222.016267][ T6863] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.018379][ T6863] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.156835][ T6866] loop1: detected capacity change from 0 to 32768 [ 222.195917][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.197129][ T6866] CPU: 0 PID: 6866 Comm: syz.1.636 Not tainted syzkaller #0 [ 222.198268][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.199942][ T6866] Call trace: [ 222.200438][ T6866] dump_backtrace+0x0/0x43c [ 222.201143][ T6866] show_stack+0x2c/0x3c [ 222.201829][ T6866] __dump_stack+0x30/0x40 [ 222.202516][ T6866] dump_stack_lvl+0xf8/0x160 [ 222.203233][ T6866] dump_stack+0x1c/0x5c [ 222.203925][ T6866] sysfs_create_dir_ns+0x22c/0x24c [ 222.204792][ T6866] kobject_add_internal+0x590/0xc54 [ 222.205645][ T6866] kobject_init_and_add+0x118/0x17c [ 222.206521][ T6866] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.207289][ T6866] gfs2_fill_super+0xdac/0x19e0 [ 222.208039][ T6866] get_tree_bdev+0x358/0x544 [ 222.208743][ T6866] gfs2_get_tree+0x54/0x1b4 [ 222.209501][ T6866] vfs_get_tree+0x90/0x274 [ 222.210219][ T6866] do_new_mount+0x228/0x810 [ 222.210924][ T6866] path_mount+0x5b4/0x1000 [ 222.211618][ T6866] __arm64_sys_mount+0x514/0x5e4 [ 222.212419][ T6866] invoke_syscall+0x98/0x2b8 [ 222.213179][ T6866] el0_svc_common+0x138/0x258 [ 222.213898][ T6866] do_el0_svc+0x58/0x14c [ 222.214534][ T6866] el0_svc+0x78/0x1e0 [ 222.215107][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 222.215869][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 222.218024][ T6866] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.220046][ T6866] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.348581][ T6869] loop1: detected capacity change from 0 to 32768 [ 222.442934][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.444117][ T6869] CPU: 1 PID: 6869 Comm: syz.1.637 Not tainted syzkaller #0 [ 222.445168][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.446806][ T6869] Call trace: [ 222.447353][ T6869] dump_backtrace+0x0/0x43c [ 222.448070][ T6869] show_stack+0x2c/0x3c [ 222.448712][ T6869] __dump_stack+0x30/0x40 [ 222.449406][ T6869] dump_stack_lvl+0xf8/0x160 [ 222.450080][ T6869] dump_stack+0x1c/0x5c [ 222.450787][ T6869] sysfs_create_dir_ns+0x22c/0x24c [ 222.451578][ T6869] kobject_add_internal+0x590/0xc54 [ 222.452437][ T6869] kobject_init_and_add+0x118/0x17c [ 222.453218][ T6869] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.453939][ T6869] gfs2_fill_super+0xdac/0x19e0 [ 222.454695][ T6869] get_tree_bdev+0x358/0x544 [ 222.455420][ T6869] gfs2_get_tree+0x54/0x1b4 [ 222.456097][ T6869] vfs_get_tree+0x90/0x274 [ 222.456763][ T6869] do_new_mount+0x228/0x810 [ 222.457507][ T6869] path_mount+0x5b4/0x1000 [ 222.458217][ T6869] __arm64_sys_mount+0x514/0x5e4 [ 222.458981][ T6869] invoke_syscall+0x98/0x2b8 [ 222.459703][ T6869] el0_svc_common+0x138/0x258 [ 222.460371][ T6869] do_el0_svc+0x58/0x14c [ 222.461015][ T6869] el0_svc+0x78/0x1e0 [ 222.461553][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 222.462274][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 222.463720][ T6869] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.465846][ T6869] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.633502][ T6872] loop1: detected capacity change from 0 to 32768 [ 222.687625][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.688856][ T6872] CPU: 0 PID: 6872 Comm: syz.1.638 Not tainted syzkaller #0 [ 222.689945][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.691495][ T6872] Call trace: [ 222.691968][ T6872] dump_backtrace+0x0/0x43c [ 222.692606][ T6872] show_stack+0x2c/0x3c [ 222.693280][ T6872] __dump_stack+0x30/0x40 [ 222.693902][ T6872] dump_stack_lvl+0xf8/0x160 [ 222.694574][ T6872] dump_stack+0x1c/0x5c [ 222.695286][ T6872] sysfs_create_dir_ns+0x22c/0x24c [ 222.696161][ T6872] kobject_add_internal+0x590/0xc54 [ 222.696987][ T6872] kobject_init_and_add+0x118/0x17c [ 222.697803][ T6872] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.698522][ T6872] gfs2_fill_super+0xdac/0x19e0 [ 222.699305][ T6872] get_tree_bdev+0x358/0x544 [ 222.700070][ T6872] gfs2_get_tree+0x54/0x1b4 [ 222.700804][ T6872] vfs_get_tree+0x90/0x274 [ 222.701494][ T6872] do_new_mount+0x228/0x810 [ 222.702221][ T6872] path_mount+0x5b4/0x1000 [ 222.702921][ T6872] __arm64_sys_mount+0x514/0x5e4 [ 222.703641][ T6872] invoke_syscall+0x98/0x2b8 [ 222.704392][ T6872] el0_svc_common+0x138/0x258 [ 222.705101][ T6872] do_el0_svc+0x58/0x14c [ 222.705744][ T6872] el0_svc+0x78/0x1e0 [ 222.706338][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 222.707072][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 222.708648][ T6872] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.710950][ T6872] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.847206][ T6875] loop1: detected capacity change from 0 to 32768 [ 222.888674][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.889887][ T6875] CPU: 1 PID: 6875 Comm: syz.1.639 Not tainted syzkaller #0 [ 222.891031][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.892786][ T6875] Call trace: [ 222.893351][ T6875] dump_backtrace+0x0/0x43c [ 222.894111][ T6875] show_stack+0x2c/0x3c [ 222.894770][ T6875] __dump_stack+0x30/0x40 [ 222.895477][ T6875] dump_stack_lvl+0xf8/0x160 [ 222.896258][ T6875] dump_stack+0x1c/0x5c [ 222.896982][ T6875] sysfs_create_dir_ns+0x22c/0x24c [ 222.897843][ T6875] kobject_add_internal+0x590/0xc54 [ 222.898753][ T6875] kobject_init_and_add+0x118/0x17c [ 222.899600][ T6875] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.900353][ T6875] gfs2_fill_super+0xdac/0x19e0 [ 222.901087][ T6875] get_tree_bdev+0x358/0x544 [ 222.901827][ T6875] gfs2_get_tree+0x54/0x1b4 [ 222.902545][ T6875] vfs_get_tree+0x90/0x274 [ 222.903287][ T6875] do_new_mount+0x228/0x810 [ 222.903965][ T6875] path_mount+0x5b4/0x1000 [ 222.904715][ T6875] __arm64_sys_mount+0x514/0x5e4 [ 222.905493][ T6875] invoke_syscall+0x98/0x2b8 [ 222.906263][ T6875] el0_svc_common+0x138/0x258 [ 222.907050][ T6875] do_el0_svc+0x58/0x14c [ 222.907720][ T6875] el0_svc+0x78/0x1e0 [ 222.908365][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 222.909105][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 222.911101][ T6875] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.913279][ T6875] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.050458][ T6878] loop1: detected capacity change from 0 to 32768 [ 223.057760][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.058928][ T6878] CPU: 0 PID: 6878 Comm: syz.1.640 Not tainted syzkaller #0 [ 223.060109][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.061651][ T6878] Call trace: [ 223.062189][ T6878] dump_backtrace+0x0/0x43c [ 223.062850][ T6878] show_stack+0x2c/0x3c [ 223.063546][ T6878] __dump_stack+0x30/0x40 [ 223.064260][ T6878] dump_stack_lvl+0xf8/0x160 [ 223.065008][ T6878] dump_stack+0x1c/0x5c [ 223.065688][ T6878] sysfs_create_dir_ns+0x22c/0x24c [ 223.066550][ T6878] kobject_add_internal+0x590/0xc54 [ 223.067433][ T6878] kobject_init_and_add+0x118/0x17c [ 223.068295][ T6878] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.069116][ T6878] gfs2_fill_super+0xdac/0x19e0 [ 223.069963][ T6878] get_tree_bdev+0x358/0x544 [ 223.070754][ T6878] gfs2_get_tree+0x54/0x1b4 [ 223.071506][ T6878] vfs_get_tree+0x90/0x274 [ 223.072270][ T6878] do_new_mount+0x228/0x810 [ 223.072939][ T6878] path_mount+0x5b4/0x1000 [ 223.073616][ T6878] __arm64_sys_mount+0x514/0x5e4 [ 223.074369][ T6878] invoke_syscall+0x98/0x2b8 [ 223.075120][ T6878] el0_svc_common+0x138/0x258 [ 223.075907][ T6878] do_el0_svc+0x58/0x14c [ 223.076622][ T6878] el0_svc+0x78/0x1e0 [ 223.077284][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 223.078115][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 223.079123][ T6878] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.081167][ T6878] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.082878][ T4177] Bluetooth: hci2: command 0x040f tx timeout [ 223.213763][ T6881] loop1: detected capacity change from 0 to 32768 [ 223.221254][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.222523][ T6881] CPU: 0 PID: 6881 Comm: syz.1.641 Not tainted syzkaller #0 [ 223.223733][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.225269][ T6881] Call trace: [ 223.225767][ T6881] dump_backtrace+0x0/0x43c [ 223.226501][ T6881] show_stack+0x2c/0x3c [ 223.227219][ T6881] __dump_stack+0x30/0x40 [ 223.227957][ T6881] dump_stack_lvl+0xf8/0x160 [ 223.228699][ T6881] dump_stack+0x1c/0x5c [ 223.229372][ T6881] sysfs_create_dir_ns+0x22c/0x24c [ 223.230215][ T6881] kobject_add_internal+0x590/0xc54 [ 223.231100][ T6881] kobject_init_and_add+0x118/0x17c [ 223.231972][ T6881] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.232696][ T6881] gfs2_fill_super+0xdac/0x19e0 [ 223.233471][ T6881] get_tree_bdev+0x358/0x544 [ 223.234152][ T6881] gfs2_get_tree+0x54/0x1b4 [ 223.234873][ T6881] vfs_get_tree+0x90/0x274 [ 223.235561][ T6881] do_new_mount+0x228/0x810 [ 223.236356][ T6881] path_mount+0x5b4/0x1000 [ 223.237079][ T6881] __arm64_sys_mount+0x514/0x5e4 [ 223.238006][ T6881] invoke_syscall+0x98/0x2b8 [ 223.238809][ T6881] el0_svc_common+0x138/0x258 [ 223.239623][ T6881] do_el0_svc+0x58/0x14c [ 223.240326][ T6881] el0_svc+0x78/0x1e0 [ 223.240956][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 223.241734][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 223.243463][ T6881] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.245558][ T6881] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:43 executed programs: 628 [ 223.371951][ T6884] loop1: detected capacity change from 0 to 32768 [ 223.424040][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.425277][ T6884] CPU: 0 PID: 6884 Comm: syz.1.642 Not tainted syzkaller #0 [ 223.426443][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.427871][ T6884] Call trace: [ 223.428376][ T6884] dump_backtrace+0x0/0x43c [ 223.429131][ T6884] show_stack+0x2c/0x3c [ 223.429810][ T6884] __dump_stack+0x30/0x40 [ 223.430562][ T6884] dump_stack_lvl+0xf8/0x160 [ 223.431307][ T6884] dump_stack+0x1c/0x5c [ 223.431937][ T6884] sysfs_create_dir_ns+0x22c/0x24c [ 223.432681][ T6884] kobject_add_internal+0x590/0xc54 [ 223.433484][ T6884] kobject_init_and_add+0x118/0x17c [ 223.434330][ T6884] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.435065][ T6884] gfs2_fill_super+0xdac/0x19e0 [ 223.435844][ T6884] get_tree_bdev+0x358/0x544 [ 223.436573][ T6884] gfs2_get_tree+0x54/0x1b4 [ 223.437271][ T6884] vfs_get_tree+0x90/0x274 [ 223.437969][ T6884] do_new_mount+0x228/0x810 [ 223.438722][ T6884] path_mount+0x5b4/0x1000 [ 223.439482][ T6884] __arm64_sys_mount+0x514/0x5e4 [ 223.440254][ T6884] invoke_syscall+0x98/0x2b8 [ 223.440992][ T6884] el0_svc_common+0x138/0x258 [ 223.441696][ T6884] do_el0_svc+0x58/0x14c [ 223.442367][ T6884] el0_svc+0x78/0x1e0 [ 223.442972][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 223.443781][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 223.445979][ T6884] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.447962][ T6884] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.582214][ T6887] loop1: detected capacity change from 0 to 32768 [ 223.643987][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.645256][ T6887] CPU: 0 PID: 6887 Comm: syz.1.643 Not tainted syzkaller #0 [ 223.646327][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.647828][ T6887] Call trace: [ 223.648308][ T6887] dump_backtrace+0x0/0x43c [ 223.648942][ T6887] show_stack+0x2c/0x3c [ 223.649552][ T6887] __dump_stack+0x30/0x40 [ 223.650191][ T6887] dump_stack_lvl+0xf8/0x160 [ 223.650837][ T6887] dump_stack+0x1c/0x5c [ 223.651372][ T6887] sysfs_create_dir_ns+0x22c/0x24c [ 223.652081][ T6887] kobject_add_internal+0x590/0xc54 [ 223.652887][ T6887] kobject_init_and_add+0x118/0x17c [ 223.653732][ T6887] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.654513][ T6887] gfs2_fill_super+0xdac/0x19e0 [ 223.655259][ T6887] get_tree_bdev+0x358/0x544 [ 223.656008][ T6887] gfs2_get_tree+0x54/0x1b4 [ 223.656685][ T6887] vfs_get_tree+0x90/0x274 [ 223.657399][ T6887] do_new_mount+0x228/0x810 [ 223.658187][ T6887] path_mount+0x5b4/0x1000 [ 223.658931][ T6887] __arm64_sys_mount+0x514/0x5e4 [ 223.659797][ T6887] invoke_syscall+0x98/0x2b8 [ 223.660489][ T6887] el0_svc_common+0x138/0x258 [ 223.661199][ T6887] do_el0_svc+0x58/0x14c [ 223.661900][ T6887] el0_svc+0x78/0x1e0 [ 223.662544][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 223.663335][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 223.665718][ T6887] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.667835][ T6887] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.823169][ T6890] loop1: detected capacity change from 0 to 32768 [ 223.884008][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.885337][ T6890] CPU: 0 PID: 6890 Comm: syz.1.644 Not tainted syzkaller #0 [ 223.886499][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.888176][ T6890] Call trace: [ 223.888718][ T6890] dump_backtrace+0x0/0x43c [ 223.889485][ T6890] show_stack+0x2c/0x3c [ 223.890167][ T6890] __dump_stack+0x30/0x40 [ 223.890898][ T6890] dump_stack_lvl+0xf8/0x160 [ 223.891646][ T6890] dump_stack+0x1c/0x5c [ 223.892282][ T6890] sysfs_create_dir_ns+0x22c/0x24c [ 223.893088][ T6890] kobject_add_internal+0x590/0xc54 [ 223.893936][ T6890] kobject_init_and_add+0x118/0x17c [ 223.894792][ T6890] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.895527][ T6890] gfs2_fill_super+0xdac/0x19e0 [ 223.896249][ T6890] get_tree_bdev+0x358/0x544 [ 223.896975][ T6890] gfs2_get_tree+0x54/0x1b4 [ 223.897677][ T6890] vfs_get_tree+0x90/0x274 [ 223.898333][ T6890] do_new_mount+0x228/0x810 [ 223.899033][ T6890] path_mount+0x5b4/0x1000 [ 223.899755][ T6890] __arm64_sys_mount+0x514/0x5e4 [ 223.900541][ T6890] invoke_syscall+0x98/0x2b8 [ 223.901269][ T6890] el0_svc_common+0x138/0x258 [ 223.902056][ T6890] do_el0_svc+0x58/0x14c [ 223.902744][ T6890] el0_svc+0x78/0x1e0 [ 223.903390][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 223.904243][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 223.906698][ T6890] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.908748][ T6890] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.038161][ T6893] loop1: detected capacity change from 0 to 32768 [ 224.045645][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.046777][ T6893] CPU: 1 PID: 6893 Comm: syz.1.645 Not tainted syzkaller #0 [ 224.047938][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.049609][ T6893] Call trace: [ 224.050135][ T6893] dump_backtrace+0x0/0x43c [ 224.050897][ T6893] show_stack+0x2c/0x3c [ 224.051532][ T6893] __dump_stack+0x30/0x40 [ 224.052205][ T6893] dump_stack_lvl+0xf8/0x160 [ 224.052927][ T6893] dump_stack+0x1c/0x5c [ 224.053560][ T6893] sysfs_create_dir_ns+0x22c/0x24c [ 224.054391][ T6893] kobject_add_internal+0x590/0xc54 [ 224.055209][ T6893] kobject_init_and_add+0x118/0x17c [ 224.056045][ T6893] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.056786][ T6893] gfs2_fill_super+0xdac/0x19e0 [ 224.057523][ T6893] get_tree_bdev+0x358/0x544 [ 224.058237][ T6893] gfs2_get_tree+0x54/0x1b4 [ 224.058995][ T6893] vfs_get_tree+0x90/0x274 [ 224.059644][ T6893] do_new_mount+0x228/0x810 [ 224.060360][ T6893] path_mount+0x5b4/0x1000 [ 224.061010][ T6893] __arm64_sys_mount+0x514/0x5e4 [ 224.061727][ T6893] invoke_syscall+0x98/0x2b8 [ 224.062429][ T6893] el0_svc_common+0x138/0x258 [ 224.063208][ T6893] do_el0_svc+0x58/0x14c [ 224.063906][ T6893] el0_svc+0x78/0x1e0 [ 224.064567][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 224.065346][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 224.066376][ T6893] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.068461][ T6893] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.195649][ T6896] loop1: detected capacity change from 0 to 32768 [ 224.236909][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.238165][ T6896] CPU: 1 PID: 6896 Comm: syz.1.646 Not tainted syzkaller #0 [ 224.239346][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.241005][ T6896] Call trace: [ 224.241544][ T6896] dump_backtrace+0x0/0x43c [ 224.242300][ T6896] show_stack+0x2c/0x3c [ 224.243001][ T6896] __dump_stack+0x30/0x40 [ 224.243715][ T6896] dump_stack_lvl+0xf8/0x160 [ 224.244437][ T6896] dump_stack+0x1c/0x5c [ 224.245102][ T6896] sysfs_create_dir_ns+0x22c/0x24c [ 224.245991][ T6896] kobject_add_internal+0x590/0xc54 [ 224.246883][ T6896] kobject_init_and_add+0x118/0x17c [ 224.247774][ T6896] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.248576][ T6896] gfs2_fill_super+0xdac/0x19e0 [ 224.249387][ T6896] get_tree_bdev+0x358/0x544 [ 224.250109][ T6896] gfs2_get_tree+0x54/0x1b4 [ 224.250866][ T6896] vfs_get_tree+0x90/0x274 [ 224.251534][ T6896] do_new_mount+0x228/0x810 [ 224.252296][ T6896] path_mount+0x5b4/0x1000 [ 224.253004][ T6896] __arm64_sys_mount+0x514/0x5e4 [ 224.253860][ T6896] invoke_syscall+0x98/0x2b8 [ 224.254620][ T6896] el0_svc_common+0x138/0x258 [ 224.255406][ T6896] do_el0_svc+0x58/0x14c [ 224.256100][ T6896] el0_svc+0x78/0x1e0 [ 224.256714][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 224.257526][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 224.259629][ T6896] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.261662][ T6896] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.391731][ T6899] loop1: detected capacity change from 0 to 32768 [ 224.488487][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.489761][ T6899] CPU: 0 PID: 6899 Comm: syz.1.647 Not tainted syzkaller #0 [ 224.490956][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.492560][ T6899] Call trace: [ 224.493097][ T6899] dump_backtrace+0x0/0x43c [ 224.493864][ T6899] show_stack+0x2c/0x3c [ 224.494504][ T6899] __dump_stack+0x30/0x40 [ 224.495184][ T6899] dump_stack_lvl+0xf8/0x160 [ 224.495920][ T6899] dump_stack+0x1c/0x5c [ 224.496564][ T6899] sysfs_create_dir_ns+0x22c/0x24c [ 224.497436][ T6899] kobject_add_internal+0x590/0xc54 [ 224.498314][ T6899] kobject_init_and_add+0x118/0x17c [ 224.499192][ T6899] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.499934][ T6899] gfs2_fill_super+0xdac/0x19e0 [ 224.500718][ T6899] get_tree_bdev+0x358/0x544 [ 224.501461][ T6899] gfs2_get_tree+0x54/0x1b4 [ 224.502154][ T6899] vfs_get_tree+0x90/0x274 [ 224.502948][ T6899] do_new_mount+0x228/0x810 [ 224.503679][ T6899] path_mount+0x5b4/0x1000 [ 224.504372][ T6899] __arm64_sys_mount+0x514/0x5e4 [ 224.505181][ T6899] invoke_syscall+0x98/0x2b8 [ 224.505892][ T6899] el0_svc_common+0x138/0x258 [ 224.506646][ T6899] do_el0_svc+0x58/0x14c [ 224.507288][ T6899] el0_svc+0x78/0x1e0 [ 224.507971][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 224.508803][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 224.510875][ T6899] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.512987][ T6899] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.649535][ T6902] loop1: detected capacity change from 0 to 32768 [ 224.666432][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.668685][ T6902] CPU: 1 PID: 6902 Comm: syz.1.648 Not tainted syzkaller #0 [ 224.669731][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.671225][ T6902] Call trace: [ 224.671691][ T6902] dump_backtrace+0x0/0x43c [ 224.672348][ T6902] show_stack+0x2c/0x3c [ 224.672980][ T6902] __dump_stack+0x30/0x40 [ 224.673652][ T6902] dump_stack_lvl+0xf8/0x160 [ 224.674315][ T6902] dump_stack+0x1c/0x5c [ 224.674907][ T6902] sysfs_create_dir_ns+0x22c/0x24c [ 224.675768][ T6902] kobject_add_internal+0x590/0xc54 [ 224.676586][ T6902] kobject_init_and_add+0x118/0x17c [ 224.677338][ T6902] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.678068][ T6902] gfs2_fill_super+0xdac/0x19e0 [ 224.678818][ T6902] get_tree_bdev+0x358/0x544 [ 224.679514][ T6902] gfs2_get_tree+0x54/0x1b4 [ 224.680191][ T6902] vfs_get_tree+0x90/0x274 [ 224.680831][ T6902] do_new_mount+0x228/0x810 [ 224.681474][ T6902] path_mount+0x5b4/0x1000 [ 224.682113][ T6902] __arm64_sys_mount+0x514/0x5e4 [ 224.682868][ T6902] invoke_syscall+0x98/0x2b8 [ 224.683521][ T6902] el0_svc_common+0x138/0x258 [ 224.684233][ T6902] do_el0_svc+0x58/0x14c [ 224.684861][ T6902] el0_svc+0x78/0x1e0 [ 224.685435][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 224.686139][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 224.687052][ T6902] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.689360][ T6902] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.824320][ T6905] loop1: detected capacity change from 0 to 32768 [ 224.874457][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.875701][ T6905] CPU: 0 PID: 6905 Comm: syz.1.649 Not tainted syzkaller #0 [ 224.876780][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.878272][ T6905] Call trace: [ 224.878792][ T6905] dump_backtrace+0x0/0x43c [ 224.879527][ T6905] show_stack+0x2c/0x3c [ 224.880209][ T6905] __dump_stack+0x30/0x40 [ 224.880941][ T6905] dump_stack_lvl+0xf8/0x160 [ 224.881715][ T6905] dump_stack+0x1c/0x5c [ 224.882423][ T6905] sysfs_create_dir_ns+0x22c/0x24c [ 224.883301][ T6905] kobject_add_internal+0x590/0xc54 [ 224.884144][ T6905] kobject_init_and_add+0x118/0x17c [ 224.885019][ T6905] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.885866][ T6905] gfs2_fill_super+0xdac/0x19e0 [ 224.886701][ T6905] get_tree_bdev+0x358/0x544 [ 224.887495][ T6905] gfs2_get_tree+0x54/0x1b4 [ 224.888251][ T6905] vfs_get_tree+0x90/0x274 [ 224.888952][ T6905] do_new_mount+0x228/0x810 [ 224.889652][ T6905] path_mount+0x5b4/0x1000 [ 224.890409][ T6905] __arm64_sys_mount+0x514/0x5e4 [ 224.891179][ T6905] invoke_syscall+0x98/0x2b8 [ 224.891908][ T6905] el0_svc_common+0x138/0x258 [ 224.892665][ T6905] do_el0_svc+0x58/0x14c [ 224.893361][ T6905] el0_svc+0x78/0x1e0 [ 224.894003][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 224.894855][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 224.896621][ T6905] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.898761][ T6905] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.038887][ T6908] loop1: detected capacity change from 0 to 32768 [ 225.085012][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.086423][ T6908] CPU: 0 PID: 6908 Comm: syz.1.650 Not tainted syzkaller #0 [ 225.087589][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.089167][ T6908] Call trace: [ 225.089698][ T6908] dump_backtrace+0x0/0x43c [ 225.090414][ T6908] show_stack+0x2c/0x3c [ 225.091091][ T6908] __dump_stack+0x30/0x40 [ 225.091800][ T6908] dump_stack_lvl+0xf8/0x160 [ 225.092525][ T6908] dump_stack+0x1c/0x5c [ 225.093182][ T6908] sysfs_create_dir_ns+0x22c/0x24c [ 225.093950][ T6908] kobject_add_internal+0x590/0xc54 [ 225.094743][ T6908] kobject_init_and_add+0x118/0x17c [ 225.095554][ T6908] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.096305][ T6908] gfs2_fill_super+0xdac/0x19e0 [ 225.097082][ T6908] get_tree_bdev+0x358/0x544 [ 225.097782][ T6908] gfs2_get_tree+0x54/0x1b4 [ 225.098508][ T6908] vfs_get_tree+0x90/0x274 [ 225.099203][ T6908] do_new_mount+0x228/0x810 [ 225.099903][ T6908] path_mount+0x5b4/0x1000 [ 225.100647][ T6908] __arm64_sys_mount+0x514/0x5e4 [ 225.101464][ T6908] invoke_syscall+0x98/0x2b8 [ 225.102251][ T6908] el0_svc_common+0x138/0x258 [ 225.103057][ T6908] do_el0_svc+0x58/0x14c [ 225.103730][ T6908] el0_svc+0x78/0x1e0 [ 225.104330][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 225.105133][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 225.109096][ T6908] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.111125][ T6908] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.142997][ T4177] Bluetooth: hci2: command 0x0419 tx timeout [ 225.239912][ T6911] loop1: detected capacity change from 0 to 32768 [ 225.285380][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.286729][ T6911] CPU: 1 PID: 6911 Comm: syz.1.651 Not tainted syzkaller #0 [ 225.287719][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.289227][ T6911] Call trace: [ 225.289701][ T6911] dump_backtrace+0x0/0x43c [ 225.290407][ T6911] show_stack+0x2c/0x3c [ 225.291093][ T6911] __dump_stack+0x30/0x40 [ 225.291736][ T6911] dump_stack_lvl+0xf8/0x160 [ 225.292431][ T6911] dump_stack+0x1c/0x5c [ 225.293105][ T6911] sysfs_create_dir_ns+0x22c/0x24c [ 225.293948][ T6911] kobject_add_internal+0x590/0xc54 [ 225.294804][ T6911] kobject_init_and_add+0x118/0x17c [ 225.295662][ T6911] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.296450][ T6911] gfs2_fill_super+0xdac/0x19e0 [ 225.297233][ T6911] get_tree_bdev+0x358/0x544 [ 225.298018][ T6911] gfs2_get_tree+0x54/0x1b4 [ 225.298742][ T6911] vfs_get_tree+0x90/0x274 [ 225.299467][ T6911] do_new_mount+0x228/0x810 [ 225.300220][ T6911] path_mount+0x5b4/0x1000 [ 225.300945][ T6911] __arm64_sys_mount+0x514/0x5e4 [ 225.301710][ T6911] invoke_syscall+0x98/0x2b8 [ 225.302396][ T6911] el0_svc_common+0x138/0x258 [ 225.303205][ T6911] do_el0_svc+0x58/0x14c [ 225.303951][ T6911] el0_svc+0x78/0x1e0 [ 225.304615][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 225.305454][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 225.307867][ T6911] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.309912][ T6911] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.442994][ T6914] loop1: detected capacity change from 0 to 32768 [ 225.498681][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.499886][ T6914] CPU: 1 PID: 6914 Comm: syz.1.652 Not tainted syzkaller #0 [ 225.500976][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.502481][ T6914] Call trace: [ 225.502973][ T6914] dump_backtrace+0x0/0x43c [ 225.503626][ T6914] show_stack+0x2c/0x3c [ 225.504351][ T6914] __dump_stack+0x30/0x40 [ 225.505076][ T6914] dump_stack_lvl+0xf8/0x160 [ 225.505801][ T6914] dump_stack+0x1c/0x5c [ 225.506461][ T6914] sysfs_create_dir_ns+0x22c/0x24c [ 225.507286][ T6914] kobject_add_internal+0x590/0xc54 [ 225.508184][ T6914] kobject_init_and_add+0x118/0x17c [ 225.509028][ T6914] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.509857][ T6914] gfs2_fill_super+0xdac/0x19e0 [ 225.510637][ T6914] get_tree_bdev+0x358/0x544 [ 225.511348][ T6914] gfs2_get_tree+0x54/0x1b4 [ 225.512077][ T6914] vfs_get_tree+0x90/0x274 [ 225.512773][ T6914] do_new_mount+0x228/0x810 [ 225.513455][ T6914] path_mount+0x5b4/0x1000 [ 225.514152][ T6914] __arm64_sys_mount+0x514/0x5e4 [ 225.514897][ T6914] invoke_syscall+0x98/0x2b8 [ 225.515684][ T6914] el0_svc_common+0x138/0x258 [ 225.516475][ T6914] do_el0_svc+0x58/0x14c [ 225.517191][ T6914] el0_svc+0x78/0x1e0 [ 225.517829][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 225.518637][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 225.520925][ T6914] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.523179][ T6914] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.655299][ T6917] loop1: detected capacity change from 0 to 32768 [ 225.662842][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.664184][ T6917] CPU: 0 PID: 6917 Comm: syz.1.653 Not tainted syzkaller #0 [ 225.665376][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.667092][ T6917] Call trace: [ 225.667610][ T6917] dump_backtrace+0x0/0x43c [ 225.668353][ T6917] show_stack+0x2c/0x3c [ 225.669232][ T6917] __dump_stack+0x30/0x40 [ 225.669892][ T6917] dump_stack_lvl+0xf8/0x160 [ 225.670666][ T6917] dump_stack+0x1c/0x5c [ 225.671339][ T6917] sysfs_create_dir_ns+0x22c/0x24c [ 225.672103][ T6917] kobject_add_internal+0x590/0xc54 [ 225.673001][ T6917] kobject_init_and_add+0x118/0x17c [ 225.673836][ T6917] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.674585][ T6917] gfs2_fill_super+0xdac/0x19e0 [ 225.675309][ T6917] get_tree_bdev+0x358/0x544 [ 225.676067][ T6917] gfs2_get_tree+0x54/0x1b4 [ 225.676766][ T6917] vfs_get_tree+0x90/0x274 [ 225.677463][ T6917] do_new_mount+0x228/0x810 [ 225.678188][ T6917] path_mount+0x5b4/0x1000 [ 225.678886][ T6917] __arm64_sys_mount+0x514/0x5e4 [ 225.679640][ T6917] invoke_syscall+0x98/0x2b8 [ 225.680406][ T6917] el0_svc_common+0x138/0x258 [ 225.681198][ T6917] do_el0_svc+0x58/0x14c [ 225.681911][ T6917] el0_svc+0x78/0x1e0 [ 225.682544][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 225.683310][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 225.684161][ T6917] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.686569][ T6917] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.816276][ T6920] loop1: detected capacity change from 0 to 32768 [ 225.869225][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.870573][ T6920] CPU: 0 PID: 6920 Comm: syz.1.654 Not tainted syzkaller #0 [ 225.871773][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.873211][ T6920] Call trace: [ 225.873727][ T6920] dump_backtrace+0x0/0x43c [ 225.874415][ T6920] show_stack+0x2c/0x3c [ 225.875006][ T6920] __dump_stack+0x30/0x40 [ 225.875692][ T6920] dump_stack_lvl+0xf8/0x160 [ 225.876392][ T6920] dump_stack+0x1c/0x5c [ 225.877059][ T6920] sysfs_create_dir_ns+0x22c/0x24c [ 225.877878][ T6920] kobject_add_internal+0x590/0xc54 [ 225.878731][ T6920] kobject_init_and_add+0x118/0x17c [ 225.879634][ T6920] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.880379][ T6920] gfs2_fill_super+0xdac/0x19e0 [ 225.881095][ T6920] get_tree_bdev+0x358/0x544 [ 225.881816][ T6920] gfs2_get_tree+0x54/0x1b4 [ 225.882585][ T6920] vfs_get_tree+0x90/0x274 [ 225.883314][ T6920] do_new_mount+0x228/0x810 [ 225.884043][ T6920] path_mount+0x5b4/0x1000 [ 225.884800][ T6920] __arm64_sys_mount+0x514/0x5e4 [ 225.885630][ T6920] invoke_syscall+0x98/0x2b8 [ 225.886349][ T6920] el0_svc_common+0x138/0x258 [ 225.887103][ T6920] do_el0_svc+0x58/0x14c [ 225.887768][ T6920] el0_svc+0x78/0x1e0 [ 225.888379][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 225.889265][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 225.891497][ T6920] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.894065][ T6920] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.022518][ T6923] loop1: detected capacity change from 0 to 32768 [ 226.064106][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.065325][ T6923] CPU: 0 PID: 6923 Comm: syz.1.655 Not tainted syzkaller #0 [ 226.066399][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.067869][ T6923] Call trace: [ 226.068342][ T6923] dump_backtrace+0x0/0x43c [ 226.069028][ T6923] show_stack+0x2c/0x3c [ 226.069623][ T6923] __dump_stack+0x30/0x40 [ 226.070175][ T6923] dump_stack_lvl+0xf8/0x160 [ 226.070939][ T6923] dump_stack+0x1c/0x5c [ 226.071587][ T6923] sysfs_create_dir_ns+0x22c/0x24c [ 226.072353][ T6923] kobject_add_internal+0x590/0xc54 [ 226.073200][ T6923] kobject_init_and_add+0x118/0x17c [ 226.074048][ T6923] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.074863][ T6923] gfs2_fill_super+0xdac/0x19e0 [ 226.075631][ T6923] get_tree_bdev+0x358/0x544 [ 226.076367][ T6923] gfs2_get_tree+0x54/0x1b4 [ 226.077096][ T6923] vfs_get_tree+0x90/0x274 [ 226.077768][ T6923] do_new_mount+0x228/0x810 [ 226.078537][ T6923] path_mount+0x5b4/0x1000 [ 226.079291][ T6923] __arm64_sys_mount+0x514/0x5e4 [ 226.080123][ T6923] invoke_syscall+0x98/0x2b8 [ 226.080870][ T6923] el0_svc_common+0x138/0x258 [ 226.081622][ T6923] do_el0_svc+0x58/0x14c [ 226.082278][ T6923] el0_svc+0x78/0x1e0 [ 226.082984][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 226.083848][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 226.086305][ T6923] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.088267][ T6923] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.215721][ T6926] loop1: detected capacity change from 0 to 32768 [ 226.223046][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.224260][ T6926] CPU: 0 PID: 6926 Comm: syz.1.656 Not tainted syzkaller #0 [ 226.225502][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.227234][ T6926] Call trace: [ 226.227786][ T6926] dump_backtrace+0x0/0x43c [ 226.228541][ T6926] show_stack+0x2c/0x3c [ 226.229258][ T6926] __dump_stack+0x30/0x40 [ 226.229991][ T6926] dump_stack_lvl+0xf8/0x160 [ 226.230759][ T6926] dump_stack+0x1c/0x5c [ 226.231458][ T6926] sysfs_create_dir_ns+0x22c/0x24c [ 226.232391][ T6926] kobject_add_internal+0x590/0xc54 [ 226.233293][ T6926] kobject_init_and_add+0x118/0x17c [ 226.234191][ T6926] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.235006][ T6926] gfs2_fill_super+0xdac/0x19e0 [ 226.235807][ T6926] get_tree_bdev+0x358/0x544 [ 226.236580][ T6926] gfs2_get_tree+0x54/0x1b4 [ 226.237278][ T6926] vfs_get_tree+0x90/0x274 [ 226.237936][ T6926] do_new_mount+0x228/0x810 [ 226.238694][ T6926] path_mount+0x5b4/0x1000 [ 226.239398][ T6926] __arm64_sys_mount+0x514/0x5e4 [ 226.240175][ T6926] invoke_syscall+0x98/0x2b8 [ 226.240927][ T6926] el0_svc_common+0x138/0x258 [ 226.241669][ T6926] do_el0_svc+0x58/0x14c [ 226.242368][ T6926] el0_svc+0x78/0x1e0 [ 226.242999][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 226.243798][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 226.246664][ T6926] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.248657][ T6926] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.378146][ T6929] loop1: detected capacity change from 0 to 32768 [ 226.385665][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.386860][ T6929] CPU: 0 PID: 6929 Comm: syz.1.657 Not tainted syzkaller #0 [ 226.387972][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.389664][ T6929] Call trace: [ 226.390181][ T6929] dump_backtrace+0x0/0x43c [ 226.390935][ T6929] show_stack+0x2c/0x3c [ 226.391618][ T6929] __dump_stack+0x30/0x40 [ 226.392289][ T6929] dump_stack_lvl+0xf8/0x160 [ 226.393033][ T6929] dump_stack+0x1c/0x5c [ 226.393745][ T6929] sysfs_create_dir_ns+0x22c/0x24c [ 226.394617][ T6929] kobject_add_internal+0x590/0xc54 [ 226.395424][ T6929] kobject_init_and_add+0x118/0x17c [ 226.396218][ T6929] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.396937][ T6929] gfs2_fill_super+0xdac/0x19e0 [ 226.397731][ T6929] get_tree_bdev+0x358/0x544 [ 226.398465][ T6929] gfs2_get_tree+0x54/0x1b4 [ 226.399218][ T6929] vfs_get_tree+0x90/0x274 [ 226.399865][ T6929] do_new_mount+0x228/0x810 [ 226.400509][ T6929] path_mount+0x5b4/0x1000 [ 226.401177][ T6929] __arm64_sys_mount+0x514/0x5e4 [ 226.401906][ T6929] invoke_syscall+0x98/0x2b8 [ 226.402595][ T6929] el0_svc_common+0x138/0x258 [ 226.403351][ T6929] do_el0_svc+0x58/0x14c [ 226.403995][ T6929] el0_svc+0x78/0x1e0 [ 226.404540][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 226.405377][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 226.407544][ T6929] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.409528][ T6929] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.539308][ T6932] loop1: detected capacity change from 0 to 32768 [ 226.547221][ T6932] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.548459][ T6932] CPU: 1 PID: 6932 Comm: syz.1.658 Not tainted syzkaller #0 [ 226.549617][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.551156][ T6932] Call trace: [ 226.551671][ T6932] dump_backtrace+0x0/0x43c [ 226.552427][ T6932] show_stack+0x2c/0x3c [ 226.553081][ T6932] __dump_stack+0x30/0x40 [ 226.553790][ T6932] dump_stack_lvl+0xf8/0x160 [ 226.554496][ T6932] dump_stack+0x1c/0x5c [ 226.555122][ T6932] sysfs_create_dir_ns+0x22c/0x24c [ 226.555961][ T6932] kobject_add_internal+0x590/0xc54 [ 226.556827][ T6932] kobject_init_and_add+0x118/0x17c [ 226.557728][ T6932] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.558496][ T6932] gfs2_fill_super+0xdac/0x19e0 [ 226.559350][ T6932] get_tree_bdev+0x358/0x544 [ 226.560090][ T6932] gfs2_get_tree+0x54/0x1b4 [ 226.560803][ T6932] vfs_get_tree+0x90/0x274 [ 226.561523][ T6932] do_new_mount+0x228/0x810 [ 226.562311][ T6932] path_mount+0x5b4/0x1000 [ 226.563030][ T6932] __arm64_sys_mount+0x514/0x5e4 [ 226.563879][ T6932] invoke_syscall+0x98/0x2b8 [ 226.564626][ T6932] el0_svc_common+0x138/0x258 [ 226.565365][ T6932] do_el0_svc+0x58/0x14c [ 226.566062][ T6932] el0_svc+0x78/0x1e0 [ 226.566725][ T6932] el0t_64_sync_handler+0xcc/0xe4 [ 226.567531][ T6932] el0t_64_sync+0x1a0/0x1a4 [ 226.569557][ T6932] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.571707][ T6932] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.700342][ T6935] loop1: detected capacity change from 0 to 32768 [ 226.744806][ T6935] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.746653][ T6935] CPU: 1 PID: 6935 Comm: syz.1.659 Not tainted syzkaller #0 [ 226.747829][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.749377][ T6935] Call trace: [ 226.749882][ T6935] dump_backtrace+0x0/0x43c [ 226.750620][ T6935] show_stack+0x2c/0x3c [ 226.751257][ T6935] __dump_stack+0x30/0x40 [ 226.751935][ T6935] dump_stack_lvl+0xf8/0x160 [ 226.752747][ T6935] dump_stack+0x1c/0x5c [ 226.753424][ T6935] sysfs_create_dir_ns+0x22c/0x24c [ 226.754195][ T6935] kobject_add_internal+0x590/0xc54 [ 226.755053][ T6935] kobject_init_and_add+0x118/0x17c [ 226.755845][ T6935] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.756613][ T6935] gfs2_fill_super+0xdac/0x19e0 [ 226.757342][ T6935] get_tree_bdev+0x358/0x544 [ 226.758096][ T6935] gfs2_get_tree+0x54/0x1b4 [ 226.758795][ T6935] vfs_get_tree+0x90/0x274 [ 226.759501][ T6935] do_new_mount+0x228/0x810 [ 226.760228][ T6935] path_mount+0x5b4/0x1000 [ 226.760989][ T6935] __arm64_sys_mount+0x514/0x5e4 [ 226.761765][ T6935] invoke_syscall+0x98/0x2b8 [ 226.762510][ T6935] el0_svc_common+0x138/0x258 [ 226.763215][ T6935] do_el0_svc+0x58/0x14c [ 226.763899][ T6935] el0_svc+0x78/0x1e0 [ 226.764514][ T6935] el0t_64_sync_handler+0xcc/0xe4 [ 226.765360][ T6935] el0t_64_sync+0x1a0/0x1a4 [ 226.766356][ T6935] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.768396][ T6935] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.895324][ T6938] loop1: detected capacity change from 0 to 32768 [ 226.975150][ T6938] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.976401][ T6938] CPU: 0 PID: 6938 Comm: syz.1.660 Not tainted syzkaller #0 [ 226.977516][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.979120][ T6938] Call trace: [ 226.979678][ T6938] dump_backtrace+0x0/0x43c [ 226.980412][ T6938] show_stack+0x2c/0x3c [ 226.981062][ T6938] __dump_stack+0x30/0x40 [ 226.981847][ T6938] dump_stack_lvl+0xf8/0x160 [ 226.982525][ T6938] dump_stack+0x1c/0x5c [ 226.983163][ T6938] sysfs_create_dir_ns+0x22c/0x24c [ 226.983974][ T6938] kobject_add_internal+0x590/0xc54 [ 226.984784][ T6938] kobject_init_and_add+0x118/0x17c [ 226.985606][ T6938] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.986376][ T6938] gfs2_fill_super+0xdac/0x19e0 [ 226.987093][ T6938] get_tree_bdev+0x358/0x544 [ 226.987886][ T6938] gfs2_get_tree+0x54/0x1b4 [ 226.988657][ T6938] vfs_get_tree+0x90/0x274 [ 226.989406][ T6938] do_new_mount+0x228/0x810 [ 226.990110][ T6938] path_mount+0x5b4/0x1000 [ 226.990753][ T6938] __arm64_sys_mount+0x514/0x5e4 [ 226.991499][ T6938] invoke_syscall+0x98/0x2b8 [ 226.992215][ T6938] el0_svc_common+0x138/0x258 [ 226.993022][ T6938] do_el0_svc+0x58/0x14c [ 226.993711][ T6938] el0_svc+0x78/0x1e0 [ 226.994346][ T6938] el0t_64_sync_handler+0xcc/0xe4 [ 226.995135][ T6938] el0t_64_sync+0x1a0/0x1a4 [ 226.996132][ T6938] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.998169][ T6938] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.129288][ T6941] loop1: detected capacity change from 0 to 32768 [ 227.164131][ T6941] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.165273][ T6941] CPU: 0 PID: 6941 Comm: syz.1.661 Not tainted syzkaller #0 [ 227.166379][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.167805][ T6941] Call trace: [ 227.168360][ T6941] dump_backtrace+0x0/0x43c [ 227.169060][ T6941] show_stack+0x2c/0x3c [ 227.169684][ T6941] __dump_stack+0x30/0x40 [ 227.170314][ T6941] dump_stack_lvl+0xf8/0x160 [ 227.170968][ T6941] dump_stack+0x1c/0x5c [ 227.171551][ T6941] sysfs_create_dir_ns+0x22c/0x24c [ 227.172299][ T6941] kobject_add_internal+0x590/0xc54 [ 227.173012][ T6941] kobject_init_and_add+0x118/0x17c [ 227.173778][ T6941] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.174482][ T6941] gfs2_fill_super+0xdac/0x19e0 [ 227.175212][ T6941] get_tree_bdev+0x358/0x544 [ 227.175964][ T6941] gfs2_get_tree+0x54/0x1b4 [ 227.176669][ T6941] vfs_get_tree+0x90/0x274 [ 227.177311][ T6941] do_new_mount+0x228/0x810 [ 227.178037][ T6941] path_mount+0x5b4/0x1000 [ 227.178703][ T6941] __arm64_sys_mount+0x514/0x5e4 [ 227.179460][ T6941] invoke_syscall+0x98/0x2b8 [ 227.180124][ T6941] el0_svc_common+0x138/0x258 [ 227.180872][ T6941] do_el0_svc+0x58/0x14c [ 227.181524][ T6941] el0_svc+0x78/0x1e0 [ 227.182143][ T6941] el0t_64_sync_handler+0xcc/0xe4 [ 227.182883][ T6941] el0t_64_sync+0x1a0/0x1a4 [ 227.184085][ T6941] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.186124][ T6941] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.314567][ T6944] loop1: detected capacity change from 0 to 32768 [ 227.321657][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.322987][ T6944] CPU: 0 PID: 6944 Comm: syz.1.662 Not tainted syzkaller #0 [ 227.324098][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.325615][ T6944] Call trace: [ 227.326103][ T6944] dump_backtrace+0x0/0x43c [ 227.326857][ T6944] show_stack+0x2c/0x3c [ 227.327539][ T6944] __dump_stack+0x30/0x40 [ 227.328290][ T6944] dump_stack_lvl+0xf8/0x160 [ 227.329040][ T6944] dump_stack+0x1c/0x5c [ 227.329733][ T6944] sysfs_create_dir_ns+0x22c/0x24c [ 227.330527][ T6944] kobject_add_internal+0x590/0xc54 [ 227.331327][ T6944] kobject_init_and_add+0x118/0x17c [ 227.332174][ T6944] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.332965][ T6944] gfs2_fill_super+0xdac/0x19e0 [ 227.333749][ T6944] get_tree_bdev+0x358/0x544 [ 227.334451][ T6944] gfs2_get_tree+0x54/0x1b4 [ 227.335143][ T6944] vfs_get_tree+0x90/0x274 [ 227.335831][ T6944] do_new_mount+0x228/0x810 [ 227.336562][ T6944] path_mount+0x5b4/0x1000 [ 227.337245][ T6944] __arm64_sys_mount+0x514/0x5e4 [ 227.338029][ T6944] invoke_syscall+0x98/0x2b8 [ 227.338759][ T6944] el0_svc_common+0x138/0x258 [ 227.339499][ T6944] do_el0_svc+0x58/0x14c [ 227.340201][ T6944] el0_svc+0x78/0x1e0 [ 227.340797][ T6944] el0t_64_sync_handler+0xcc/0xe4 [ 227.341650][ T6944] el0t_64_sync+0x1a0/0x1a4 [ 227.344684][ T6944] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.346717][ T6944] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.475051][ T6947] loop1: detected capacity change from 0 to 32768 [ 227.514161][ T6947] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.515283][ T6947] CPU: 1 PID: 6947 Comm: syz.1.663 Not tainted syzkaller #0 [ 227.516342][ T6947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.517824][ T6947] Call trace: [ 227.518333][ T6947] dump_backtrace+0x0/0x43c [ 227.518960][ T6947] show_stack+0x2c/0x3c [ 227.519609][ T6947] __dump_stack+0x30/0x40 [ 227.520338][ T6947] dump_stack_lvl+0xf8/0x160 [ 227.521108][ T6947] dump_stack+0x1c/0x5c [ 227.521735][ T6947] sysfs_create_dir_ns+0x22c/0x24c [ 227.522577][ T6947] kobject_add_internal+0x590/0xc54 [ 227.523437][ T6947] kobject_init_and_add+0x118/0x17c [ 227.524232][ T6947] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.524956][ T6947] gfs2_fill_super+0xdac/0x19e0 [ 227.525770][ T6947] get_tree_bdev+0x358/0x544 [ 227.526540][ T6947] gfs2_get_tree+0x54/0x1b4 [ 227.527337][ T6947] vfs_get_tree+0x90/0x274 [ 227.528019][ T6947] do_new_mount+0x228/0x810 [ 227.528757][ T6947] path_mount+0x5b4/0x1000 [ 227.529468][ T6947] __arm64_sys_mount+0x514/0x5e4 [ 227.530254][ T6947] invoke_syscall+0x98/0x2b8 [ 227.530978][ T6947] el0_svc_common+0x138/0x258 [ 227.531703][ T6947] do_el0_svc+0x58/0x14c [ 227.532357][ T6947] el0_svc+0x78/0x1e0 [ 227.533016][ T6947] el0t_64_sync_handler+0xcc/0xe4 [ 227.533848][ T6947] el0t_64_sync+0x1a0/0x1a4 [ 227.535072][ T6947] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.537126][ T6947] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.670024][ T6950] loop1: detected capacity change from 0 to 32768 [ 227.734077][ T6950] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.735311][ T6950] CPU: 1 PID: 6950 Comm: syz.1.664 Not tainted syzkaller #0 [ 227.736424][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.737814][ T6950] Call trace: [ 227.738298][ T6950] dump_backtrace+0x0/0x43c [ 227.738925][ T6950] show_stack+0x2c/0x3c [ 227.739495][ T6950] __dump_stack+0x30/0x40 [ 227.740133][ T6950] dump_stack_lvl+0xf8/0x160 [ 227.740833][ T6950] dump_stack+0x1c/0x5c [ 227.741485][ T6950] sysfs_create_dir_ns+0x22c/0x24c [ 227.742286][ T6950] kobject_add_internal+0x590/0xc54 [ 227.743177][ T6950] kobject_init_and_add+0x118/0x17c [ 227.744007][ T6950] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.744789][ T6950] gfs2_fill_super+0xdac/0x19e0 [ 227.745596][ T6950] get_tree_bdev+0x358/0x544 [ 227.746347][ T6950] gfs2_get_tree+0x54/0x1b4 [ 227.747057][ T6950] vfs_get_tree+0x90/0x274 [ 227.747730][ T6950] do_new_mount+0x228/0x810 [ 227.748423][ T6950] path_mount+0x5b4/0x1000 [ 227.749148][ T6950] __arm64_sys_mount+0x514/0x5e4 [ 227.749946][ T6950] invoke_syscall+0x98/0x2b8 [ 227.750647][ T6950] el0_svc_common+0x138/0x258 [ 227.751443][ T6950] do_el0_svc+0x58/0x14c [ 227.752106][ T6950] el0_svc+0x78/0x1e0 [ 227.752735][ T6950] el0t_64_sync_handler+0xcc/0xe4 [ 227.753531][ T6950] el0t_64_sync+0x1a0/0x1a4 [ 227.754724][ T6950] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.756641][ T6950] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.891827][ T6953] loop1: detected capacity change from 0 to 32768 [ 227.969098][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.970300][ T6953] CPU: 1 PID: 6953 Comm: syz.1.665 Not tainted syzkaller #0 [ 227.971441][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.973101][ T6953] Call trace: [ 227.973670][ T6953] dump_backtrace+0x0/0x43c [ 227.974413][ T6953] show_stack+0x2c/0x3c [ 227.975061][ T6953] __dump_stack+0x30/0x40 [ 227.975699][ T6953] dump_stack_lvl+0xf8/0x160 [ 227.976442][ T6953] dump_stack+0x1c/0x5c [ 227.977096][ T6953] sysfs_create_dir_ns+0x22c/0x24c [ 227.977868][ T6953] kobject_add_internal+0x590/0xc54 [ 227.978635][ T6953] kobject_init_and_add+0x118/0x17c [ 227.979467][ T6953] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.980200][ T6953] gfs2_fill_super+0xdac/0x19e0 [ 227.980954][ T6953] get_tree_bdev+0x358/0x544 [ 227.981717][ T6953] gfs2_get_tree+0x54/0x1b4 [ 227.982467][ T6953] vfs_get_tree+0x90/0x274 [ 227.983164][ T6953] do_new_mount+0x228/0x810 [ 227.983901][ T6953] path_mount+0x5b4/0x1000 [ 227.984640][ T6953] __arm64_sys_mount+0x514/0x5e4 [ 227.985427][ T6953] invoke_syscall+0x98/0x2b8 [ 227.986186][ T6953] el0_svc_common+0x138/0x258 [ 227.986999][ T6953] do_el0_svc+0x58/0x14c [ 227.987678][ T6953] el0_svc+0x78/0x1e0 [ 227.988300][ T6953] el0t_64_sync_handler+0xcc/0xe4 [ 227.989089][ T6953] el0t_64_sync+0x1a0/0x1a4 [ 227.991323][ T6953] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.993308][ T6953] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.119915][ T6956] loop1: detected capacity change from 0 to 32768 [ 228.154081][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.155322][ T6956] CPU: 0 PID: 6956 Comm: syz.1.666 Not tainted syzkaller #0 [ 228.156375][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.157749][ T6956] Call trace: [ 228.158186][ T6956] dump_backtrace+0x0/0x43c [ 228.158847][ T6956] show_stack+0x2c/0x3c [ 228.159467][ T6956] __dump_stack+0x30/0x40 [ 228.160140][ T6956] dump_stack_lvl+0xf8/0x160 [ 228.160795][ T6956] dump_stack+0x1c/0x5c [ 228.161408][ T6956] sysfs_create_dir_ns+0x22c/0x24c [ 228.162141][ T6956] kobject_add_internal+0x590/0xc54 [ 228.162939][ T6956] kobject_init_and_add+0x118/0x17c [ 228.163714][ T6956] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.164475][ T6956] gfs2_fill_super+0xdac/0x19e0 [ 228.165291][ T6956] get_tree_bdev+0x358/0x544 [ 228.166023][ T6956] gfs2_get_tree+0x54/0x1b4 [ 228.166756][ T6956] vfs_get_tree+0x90/0x274 [ 228.167399][ T6956] do_new_mount+0x228/0x810 [ 228.168104][ T6956] path_mount+0x5b4/0x1000 [ 228.168768][ T6956] __arm64_sys_mount+0x514/0x5e4 [ 228.169481][ T6956] invoke_syscall+0x98/0x2b8 [ 228.170218][ T6956] el0_svc_common+0x138/0x258 [ 228.170960][ T6956] do_el0_svc+0x58/0x14c [ 228.171662][ T6956] el0_svc+0x78/0x1e0 [ 228.172346][ T6956] el0t_64_sync_handler+0xcc/0xe4 [ 228.173104][ T6956] el0t_64_sync+0x1a0/0x1a4 [ 228.175763][ T6956] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.177617][ T6956] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.305614][ T6959] loop1: detected capacity change from 0 to 32768 [ 228.354072][ T6959] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.355299][ T6959] CPU: 1 PID: 6959 Comm: syz.1.667 Not tainted syzkaller #0 [ 228.356397][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.357986][ T6959] Call trace: [ 228.358511][ T6959] dump_backtrace+0x0/0x43c [ 228.359285][ T6959] show_stack+0x2c/0x3c [ 228.359975][ T6959] __dump_stack+0x30/0x40 [ 228.360661][ T6959] dump_stack_lvl+0xf8/0x160 [ 228.361387][ T6959] dump_stack+0x1c/0x5c [ 228.362014][ T6959] sysfs_create_dir_ns+0x22c/0x24c [ 228.362757][ T6959] kobject_add_internal+0x590/0xc54 [ 228.363611][ T6959] kobject_init_and_add+0x118/0x17c [ 228.364410][ T6959] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.365216][ T6959] gfs2_fill_super+0xdac/0x19e0 [ 228.365979][ T6959] get_tree_bdev+0x358/0x544 [ 228.366735][ T6959] gfs2_get_tree+0x54/0x1b4 [ 228.367495][ T6959] vfs_get_tree+0x90/0x274 [ 228.368255][ T6959] do_new_mount+0x228/0x810 [ 228.369022][ T6959] path_mount+0x5b4/0x1000 [ 228.369750][ T6959] __arm64_sys_mount+0x514/0x5e4 [ 228.370511][ T6959] invoke_syscall+0x98/0x2b8 [ 228.371235][ T6959] el0_svc_common+0x138/0x258 [ 228.372065][ T6959] do_el0_svc+0x58/0x14c [ 228.372742][ T6959] el0_svc+0x78/0x1e0 [ 228.373391][ T6959] el0t_64_sync_handler+0xcc/0xe4 [ 228.374143][ T6959] el0t_64_sync+0x1a0/0x1a4 [ 228.375131][ T6959] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.377043][ T6959] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 654 [ 228.533325][ T6962] loop1: detected capacity change from 0 to 32768 [ 228.578156][ T6962] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.579467][ T6962] CPU: 1 PID: 6962 Comm: syz.1.668 Not tainted syzkaller #0 [ 228.580623][ T6962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.582214][ T6962] Call trace: [ 228.582695][ T6962] dump_backtrace+0x0/0x43c [ 228.583425][ T6962] show_stack+0x2c/0x3c [ 228.584060][ T6962] __dump_stack+0x30/0x40 [ 228.584792][ T6962] dump_stack_lvl+0xf8/0x160 [ 228.585568][ T6962] dump_stack+0x1c/0x5c [ 228.586251][ T6962] sysfs_create_dir_ns+0x22c/0x24c [ 228.587103][ T6962] kobject_add_internal+0x590/0xc54 [ 228.587944][ T6962] kobject_init_and_add+0x118/0x17c [ 228.588826][ T6962] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.589625][ T6962] gfs2_fill_super+0xdac/0x19e0 [ 228.590451][ T6962] get_tree_bdev+0x358/0x544 [ 228.591224][ T6962] gfs2_get_tree+0x54/0x1b4 [ 228.592002][ T6962] vfs_get_tree+0x90/0x274 [ 228.592726][ T6962] do_new_mount+0x228/0x810 [ 228.593461][ T6962] path_mount+0x5b4/0x1000 [ 228.594101][ T6962] __arm64_sys_mount+0x514/0x5e4 [ 228.594877][ T6962] invoke_syscall+0x98/0x2b8 [ 228.595600][ T6962] el0_svc_common+0x138/0x258 [ 228.596327][ T6962] do_el0_svc+0x58/0x14c [ 228.597006][ T6962] el0_svc+0x78/0x1e0 [ 228.597596][ T6962] el0t_64_sync_handler+0xcc/0xe4 [ 228.598341][ T6962] el0t_64_sync+0x1a0/0x1a4 [ 228.600003][ T6962] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.601989][ T6962] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.730035][ T6965] loop1: detected capacity change from 0 to 32768 [ 228.764132][ T6965] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.765409][ T6965] CPU: 0 PID: 6965 Comm: syz.1.669 Not tainted syzkaller #0 [ 228.766625][ T6965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.768318][ T6965] Call trace: [ 228.768884][ T6965] dump_backtrace+0x0/0x43c [ 228.769610][ T6965] show_stack+0x2c/0x3c [ 228.770234][ T6965] __dump_stack+0x30/0x40 [ 228.770961][ T6965] dump_stack_lvl+0xf8/0x160 [ 228.771659][ T6965] dump_stack+0x1c/0x5c [ 228.772360][ T6965] sysfs_create_dir_ns+0x22c/0x24c [ 228.773221][ T6965] kobject_add_internal+0x590/0xc54 [ 228.774017][ T6965] kobject_init_and_add+0x118/0x17c [ 228.774844][ T6965] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.775605][ T6965] gfs2_fill_super+0xdac/0x19e0 [ 228.776343][ T6965] get_tree_bdev+0x358/0x544 [ 228.777035][ T6965] gfs2_get_tree+0x54/0x1b4 [ 228.777788][ T6965] vfs_get_tree+0x90/0x274 [ 228.778542][ T6965] do_new_mount+0x228/0x810 [ 228.779292][ T6965] path_mount+0x5b4/0x1000 [ 228.779978][ T6965] __arm64_sys_mount+0x514/0x5e4 [ 228.780787][ T6965] invoke_syscall+0x98/0x2b8 [ 228.781494][ T6965] el0_svc_common+0x138/0x258 [ 228.782225][ T6965] do_el0_svc+0x58/0x14c [ 228.782931][ T6965] el0_svc+0x78/0x1e0 [ 228.783573][ T6965] el0t_64_sync_handler+0xcc/0xe4 [ 228.784377][ T6965] el0t_64_sync+0x1a0/0x1a4 [ 228.786932][ T6965] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.788779][ T6965] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.914930][ T6968] loop1: detected capacity change from 0 to 32768 [ 228.957797][ T6968] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.958958][ T6968] CPU: 0 PID: 6968 Comm: syz.1.670 Not tainted syzkaller #0 [ 228.960086][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.961737][ T6968] Call trace: [ 228.962259][ T6968] dump_backtrace+0x0/0x43c [ 228.962986][ T6968] show_stack+0x2c/0x3c [ 228.963683][ T6968] __dump_stack+0x30/0x40 [ 228.964369][ T6968] dump_stack_lvl+0xf8/0x160 [ 228.965094][ T6968] dump_stack+0x1c/0x5c [ 228.965791][ T6968] sysfs_create_dir_ns+0x22c/0x24c [ 228.966648][ T6968] kobject_add_internal+0x590/0xc54 [ 228.967526][ T6968] kobject_init_and_add+0x118/0x17c [ 228.968398][ T6968] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.969238][ T6968] gfs2_fill_super+0xdac/0x19e0 [ 228.970011][ T6968] get_tree_bdev+0x358/0x544 [ 228.970752][ T6968] gfs2_get_tree+0x54/0x1b4 [ 228.971515][ T6968] vfs_get_tree+0x90/0x274 [ 228.972260][ T6968] do_new_mount+0x228/0x810 [ 228.972993][ T6968] path_mount+0x5b4/0x1000 [ 228.973658][ T6968] __arm64_sys_mount+0x514/0x5e4 [ 228.974446][ T6968] invoke_syscall+0x98/0x2b8 [ 228.975197][ T6968] el0_svc_common+0x138/0x258 [ 228.975990][ T6968] do_el0_svc+0x58/0x14c [ 228.976679][ T6968] el0_svc+0x78/0x1e0 [ 228.977327][ T6968] el0t_64_sync_handler+0xcc/0xe4 [ 228.978144][ T6968] el0t_64_sync+0x1a0/0x1a4 [ 228.979793][ T6968] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.981974][ T6968] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.109473][ T6971] loop1: detected capacity change from 0 to 32768 [ 229.157335][ T6971] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.158567][ T6971] CPU: 1 PID: 6971 Comm: syz.1.671 Not tainted syzkaller #0 [ 229.159655][ T6971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.161096][ T6971] Call trace: [ 229.161548][ T6971] dump_backtrace+0x0/0x43c [ 229.162227][ T6971] show_stack+0x2c/0x3c [ 229.162838][ T6971] __dump_stack+0x30/0x40 [ 229.163463][ T6971] dump_stack_lvl+0xf8/0x160 [ 229.164141][ T6971] dump_stack+0x1c/0x5c [ 229.164749][ T6971] sysfs_create_dir_ns+0x22c/0x24c [ 229.165565][ T6971] kobject_add_internal+0x590/0xc54 [ 229.166409][ T6971] kobject_init_and_add+0x118/0x17c [ 229.167211][ T6971] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.167981][ T6971] gfs2_fill_super+0xdac/0x19e0 [ 229.168796][ T6971] get_tree_bdev+0x358/0x544 [ 229.169481][ T6971] gfs2_get_tree+0x54/0x1b4 [ 229.170235][ T6971] vfs_get_tree+0x90/0x274 [ 229.170904][ T6971] do_new_mount+0x228/0x810 [ 229.171591][ T6971] path_mount+0x5b4/0x1000 [ 229.172272][ T6971] __arm64_sys_mount+0x514/0x5e4 [ 229.173092][ T6971] invoke_syscall+0x98/0x2b8 [ 229.173841][ T6971] el0_svc_common+0x138/0x258 [ 229.174572][ T6971] do_el0_svc+0x58/0x14c [ 229.175282][ T6971] el0_svc+0x78/0x1e0 [ 229.175920][ T6971] el0t_64_sync_handler+0xcc/0xe4 [ 229.176653][ T6971] el0t_64_sync+0x1a0/0x1a4 [ 229.177504][ T6971] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.179583][ T6971] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.311255][ T6974] loop1: detected capacity change from 0 to 32768 [ 229.314320][ T6974] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.315469][ T6974] CPU: 1 PID: 6974 Comm: syz.1.672 Not tainted syzkaller #0 [ 229.316522][ T6974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.318017][ T6974] Call trace: [ 229.318534][ T6974] dump_backtrace+0x0/0x43c [ 229.319289][ T6974] show_stack+0x2c/0x3c [ 229.319971][ T6974] __dump_stack+0x30/0x40 [ 229.320691][ T6974] dump_stack_lvl+0xf8/0x160 [ 229.321416][ T6974] dump_stack+0x1c/0x5c [ 229.322098][ T6974] sysfs_create_dir_ns+0x22c/0x24c [ 229.322947][ T6974] kobject_add_internal+0x590/0xc54 [ 229.323821][ T6974] kobject_init_and_add+0x118/0x17c [ 229.324689][ T6974] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.325486][ T6974] gfs2_fill_super+0xdac/0x19e0 [ 229.326252][ T6974] get_tree_bdev+0x358/0x544 [ 229.327082][ T6974] gfs2_get_tree+0x54/0x1b4 [ 229.327800][ T6974] vfs_get_tree+0x90/0x274 [ 229.328520][ T6974] do_new_mount+0x228/0x810 [ 229.329195][ T6974] path_mount+0x5b4/0x1000 [ 229.329949][ T6974] __arm64_sys_mount+0x514/0x5e4 [ 229.330798][ T6974] invoke_syscall+0x98/0x2b8 [ 229.331569][ T6974] el0_svc_common+0x138/0x258 [ 229.332355][ T6974] do_el0_svc+0x58/0x14c [ 229.333032][ T6974] el0_svc+0x78/0x1e0 [ 229.333647][ T6974] el0t_64_sync_handler+0xcc/0xe4 [ 229.334418][ T6974] el0t_64_sync+0x1a0/0x1a4 [ 229.337690][ T6974] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.339892][ T6974] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.472895][ T6977] loop1: detected capacity change from 0 to 32768 [ 229.479866][ T6977] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.481112][ T6977] CPU: 0 PID: 6977 Comm: syz.1.673 Not tainted syzkaller #0 [ 229.482235][ T6977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.483894][ T6977] Call trace: [ 229.484429][ T6977] dump_backtrace+0x0/0x43c [ 229.485187][ T6977] show_stack+0x2c/0x3c [ 229.485819][ T6977] __dump_stack+0x30/0x40 [ 229.486543][ T6977] dump_stack_lvl+0xf8/0x160 [ 229.487311][ T6977] dump_stack+0x1c/0x5c [ 229.487972][ T6977] sysfs_create_dir_ns+0x22c/0x24c [ 229.488825][ T6977] kobject_add_internal+0x590/0xc54 [ 229.489678][ T6977] kobject_init_and_add+0x118/0x17c [ 229.490530][ T6977] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.491344][ T6977] gfs2_fill_super+0xdac/0x19e0 [ 229.492061][ T6977] get_tree_bdev+0x358/0x544 [ 229.492740][ T6977] gfs2_get_tree+0x54/0x1b4 [ 229.493458][ T6977] vfs_get_tree+0x90/0x274 [ 229.494206][ T6977] do_new_mount+0x228/0x810 [ 229.494908][ T6977] path_mount+0x5b4/0x1000 [ 229.495655][ T6977] __arm64_sys_mount+0x514/0x5e4 [ 229.496486][ T6977] invoke_syscall+0x98/0x2b8 [ 229.497270][ T6977] el0_svc_common+0x138/0x258 [ 229.498032][ T6977] do_el0_svc+0x58/0x14c [ 229.498725][ T6977] el0_svc+0x78/0x1e0 [ 229.499383][ T6977] el0t_64_sync_handler+0xcc/0xe4 [ 229.500265][ T6977] el0t_64_sync+0x1a0/0x1a4 [ 229.504097][ T6977] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.506114][ T6977] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.636991][ T6980] loop1: detected capacity change from 0 to 32768 [ 229.725231][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.726370][ T6980] CPU: 1 PID: 6980 Comm: syz.1.674 Not tainted syzkaller #0 [ 229.727567][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.729281][ T6980] Call trace: [ 229.729739][ T6980] dump_backtrace+0x0/0x43c [ 229.730409][ T6980] show_stack+0x2c/0x3c [ 229.731120][ T6980] __dump_stack+0x30/0x40 [ 229.731786][ T6980] dump_stack_lvl+0xf8/0x160 [ 229.732471][ T6980] dump_stack+0x1c/0x5c [ 229.733100][ T6980] sysfs_create_dir_ns+0x22c/0x24c [ 229.733926][ T6980] kobject_add_internal+0x590/0xc54 [ 229.734662][ T6980] kobject_init_and_add+0x118/0x17c [ 229.735473][ T6980] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.736225][ T6980] gfs2_fill_super+0xdac/0x19e0 [ 229.736964][ T6980] get_tree_bdev+0x358/0x544 [ 229.737702][ T6980] gfs2_get_tree+0x54/0x1b4 [ 229.738435][ T6980] vfs_get_tree+0x90/0x274 [ 229.739130][ T6980] do_new_mount+0x228/0x810 [ 229.739801][ T6980] path_mount+0x5b4/0x1000 [ 229.740469][ T6980] __arm64_sys_mount+0x514/0x5e4 [ 229.741238][ T6980] invoke_syscall+0x98/0x2b8 [ 229.741937][ T6980] el0_svc_common+0x138/0x258 [ 229.742671][ T6980] do_el0_svc+0x58/0x14c [ 229.743333][ T6980] el0_svc+0x78/0x1e0 [ 229.743938][ T6980] el0t_64_sync_handler+0xcc/0xe4 [ 229.744714][ T6980] el0t_64_sync+0x1a0/0x1a4 [ 229.746175][ T6980] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.748322][ T6980] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.876819][ T6983] loop1: detected capacity change from 0 to 32768 [ 229.914089][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.915194][ T6983] CPU: 0 PID: 6983 Comm: syz.1.675 Not tainted syzkaller #0 [ 229.916394][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.917982][ T6983] Call trace: [ 229.918506][ T6983] dump_backtrace+0x0/0x43c [ 229.919250][ T6983] show_stack+0x2c/0x3c [ 229.919932][ T6983] __dump_stack+0x30/0x40 [ 229.920621][ T6983] dump_stack_lvl+0xf8/0x160 [ 229.921251][ T6983] dump_stack+0x1c/0x5c [ 229.921922][ T6983] sysfs_create_dir_ns+0x22c/0x24c [ 229.922714][ T6983] kobject_add_internal+0x590/0xc54 [ 229.923542][ T6983] kobject_init_and_add+0x118/0x17c [ 229.924382][ T6983] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.925161][ T6983] gfs2_fill_super+0xdac/0x19e0 [ 229.925957][ T6983] get_tree_bdev+0x358/0x544 [ 229.926706][ T6983] gfs2_get_tree+0x54/0x1b4 [ 229.927490][ T6983] vfs_get_tree+0x90/0x274 [ 229.928209][ T6983] do_new_mount+0x228/0x810 [ 229.928860][ T6983] path_mount+0x5b4/0x1000 [ 229.929568][ T6983] __arm64_sys_mount+0x514/0x5e4 [ 229.930418][ T6983] invoke_syscall+0x98/0x2b8 [ 229.931130][ T6983] el0_svc_common+0x138/0x258 [ 229.931833][ T6983] do_el0_svc+0x58/0x14c [ 229.932464][ T6983] el0_svc+0x78/0x1e0 [ 229.933050][ T6983] el0t_64_sync_handler+0xcc/0xe4 [ 229.933894][ T6983] el0t_64_sync+0x1a0/0x1a4 [ 229.935207][ T6983] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.937288][ T6983] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.064227][ T6986] loop1: detected capacity change from 0 to 32768 [ 230.104591][ T6986] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.105785][ T6986] CPU: 1 PID: 6986 Comm: syz.1.676 Not tainted syzkaller #0 [ 230.106915][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.108586][ T6986] Call trace: [ 230.109124][ T6986] dump_backtrace+0x0/0x43c [ 230.109865][ T6986] show_stack+0x2c/0x3c [ 230.110542][ T6986] __dump_stack+0x30/0x40 [ 230.111255][ T6986] dump_stack_lvl+0xf8/0x160 [ 230.112022][ T6986] dump_stack+0x1c/0x5c [ 230.112678][ T6986] sysfs_create_dir_ns+0x22c/0x24c [ 230.113489][ T6986] kobject_add_internal+0x590/0xc54 [ 230.114371][ T6986] kobject_init_and_add+0x118/0x17c [ 230.115255][ T6986] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.116031][ T6986] gfs2_fill_super+0xdac/0x19e0 [ 230.116845][ T6986] get_tree_bdev+0x358/0x544 [ 230.117578][ T6986] gfs2_get_tree+0x54/0x1b4 [ 230.118295][ T6986] vfs_get_tree+0x90/0x274 [ 230.119008][ T6986] do_new_mount+0x228/0x810 [ 230.119781][ T6986] path_mount+0x5b4/0x1000 [ 230.120501][ T6986] __arm64_sys_mount+0x514/0x5e4 [ 230.121264][ T6986] invoke_syscall+0x98/0x2b8 [ 230.122071][ T6986] el0_svc_common+0x138/0x258 [ 230.122884][ T6986] do_el0_svc+0x58/0x14c [ 230.123569][ T6986] el0_svc+0x78/0x1e0 [ 230.124227][ T6986] el0t_64_sync_handler+0xcc/0xe4 [ 230.125046][ T6986] el0t_64_sync+0x1a0/0x1a4 [ 230.126621][ T6986] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.128659][ T6986] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.258880][ T6989] loop1: detected capacity change from 0 to 32768 [ 230.266064][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.267235][ T6989] CPU: 1 PID: 6989 Comm: syz.1.677 Not tainted syzkaller #0 [ 230.268326][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.269880][ T6989] Call trace: [ 230.270424][ T6989] dump_backtrace+0x0/0x43c [ 230.271139][ T6989] show_stack+0x2c/0x3c [ 230.271770][ T6989] __dump_stack+0x30/0x40 [ 230.272425][ T6989] dump_stack_lvl+0xf8/0x160 [ 230.273161][ T6989] dump_stack+0x1c/0x5c [ 230.273821][ T6989] sysfs_create_dir_ns+0x22c/0x24c [ 230.274585][ T6989] kobject_add_internal+0x590/0xc54 [ 230.275396][ T6989] kobject_init_and_add+0x118/0x17c [ 230.276182][ T6989] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.276940][ T6989] gfs2_fill_super+0xdac/0x19e0 [ 230.277801][ T6989] get_tree_bdev+0x358/0x544 [ 230.278594][ T6989] gfs2_get_tree+0x54/0x1b4 [ 230.279328][ T6989] vfs_get_tree+0x90/0x274 [ 230.280113][ T6989] do_new_mount+0x228/0x810 [ 230.280916][ T6989] path_mount+0x5b4/0x1000 [ 230.281647][ T6989] __arm64_sys_mount+0x514/0x5e4 [ 230.282406][ T6989] invoke_syscall+0x98/0x2b8 [ 230.283095][ T6989] el0_svc_common+0x138/0x258 [ 230.283842][ T6989] do_el0_svc+0x58/0x14c [ 230.284600][ T6989] el0_svc+0x78/0x1e0 [ 230.285206][ T6989] el0t_64_sync_handler+0xcc/0xe4 [ 230.285947][ T6989] el0t_64_sync+0x1a0/0x1a4 [ 230.287953][ T6989] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.289985][ T6989] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.415339][ T6992] loop1: detected capacity change from 0 to 32768 [ 230.494982][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.496218][ T6992] CPU: 0 PID: 6992 Comm: syz.1.678 Not tainted syzkaller #0 [ 230.497291][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.498728][ T6992] Call trace: [ 230.499233][ T6992] dump_backtrace+0x0/0x43c [ 230.499974][ T6992] show_stack+0x2c/0x3c [ 230.500567][ T6992] __dump_stack+0x30/0x40 [ 230.501232][ T6992] dump_stack_lvl+0xf8/0x160 [ 230.501870][ T6992] dump_stack+0x1c/0x5c [ 230.502446][ T6992] sysfs_create_dir_ns+0x22c/0x24c [ 230.503273][ T6992] kobject_add_internal+0x590/0xc54 [ 230.504154][ T6992] kobject_init_and_add+0x118/0x17c [ 230.505049][ T6992] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.505837][ T6992] gfs2_fill_super+0xdac/0x19e0 [ 230.506596][ T6992] get_tree_bdev+0x358/0x544 [ 230.507396][ T6992] gfs2_get_tree+0x54/0x1b4 [ 230.508165][ T6992] vfs_get_tree+0x90/0x274 [ 230.508924][ T6992] do_new_mount+0x228/0x810 [ 230.509644][ T6992] path_mount+0x5b4/0x1000 [ 230.510391][ T6992] __arm64_sys_mount+0x514/0x5e4 [ 230.511205][ T6992] invoke_syscall+0x98/0x2b8 [ 230.511950][ T6992] el0_svc_common+0x138/0x258 [ 230.512682][ T6992] do_el0_svc+0x58/0x14c [ 230.513324][ T6992] el0_svc+0x78/0x1e0 [ 230.514011][ T6992] el0t_64_sync_handler+0xcc/0xe4 [ 230.514877][ T6992] el0t_64_sync+0x1a0/0x1a4 [ 230.517063][ T6992] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.519165][ T6992] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.645895][ T6995] loop1: detected capacity change from 0 to 32768 [ 230.694132][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.695439][ T6995] CPU: 1 PID: 6995 Comm: syz.1.679 Not tainted syzkaller #0 [ 230.696548][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.698215][ T6995] Call trace: [ 230.698759][ T6995] dump_backtrace+0x0/0x43c [ 230.699437][ T6995] show_stack+0x2c/0x3c [ 230.700045][ T6995] __dump_stack+0x30/0x40 [ 230.700756][ T6995] dump_stack_lvl+0xf8/0x160 [ 230.701479][ T6995] dump_stack+0x1c/0x5c [ 230.702102][ T6995] sysfs_create_dir_ns+0x22c/0x24c [ 230.702848][ T6995] kobject_add_internal+0x590/0xc54 [ 230.703698][ T6995] kobject_init_and_add+0x118/0x17c [ 230.704594][ T6995] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.705453][ T6995] gfs2_fill_super+0xdac/0x19e0 [ 230.706247][ T6995] get_tree_bdev+0x358/0x544 [ 230.707034][ T6995] gfs2_get_tree+0x54/0x1b4 [ 230.707754][ T6995] vfs_get_tree+0x90/0x274 [ 230.708518][ T6995] do_new_mount+0x228/0x810 [ 230.709207][ T6995] path_mount+0x5b4/0x1000 [ 230.709939][ T6995] __arm64_sys_mount+0x514/0x5e4 [ 230.710767][ T6995] invoke_syscall+0x98/0x2b8 [ 230.711524][ T6995] el0_svc_common+0x138/0x258 [ 230.712310][ T6995] do_el0_svc+0x58/0x14c [ 230.713004][ T6995] el0_svc+0x78/0x1e0 [ 230.713562][ T6995] el0t_64_sync_handler+0xcc/0xe4 [ 230.714375][ T6995] el0t_64_sync+0x1a0/0x1a4 [ 230.715191][ T6995] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.717075][ T6995] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.871440][ T6998] loop1: detected capacity change from 0 to 32768 [ 230.925540][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.926757][ T6998] CPU: 1 PID: 6998 Comm: syz.1.680 Not tainted syzkaller #0 [ 230.927863][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.929361][ T6998] Call trace: [ 230.929812][ T6998] dump_backtrace+0x0/0x43c [ 230.930497][ T6998] show_stack+0x2c/0x3c [ 230.931140][ T6998] __dump_stack+0x30/0x40 [ 230.931860][ T6998] dump_stack_lvl+0xf8/0x160 [ 230.932588][ T6998] dump_stack+0x1c/0x5c [ 230.933186][ T6998] sysfs_create_dir_ns+0x22c/0x24c [ 230.934018][ T6998] kobject_add_internal+0x590/0xc54 [ 230.934865][ T6998] kobject_init_and_add+0x118/0x17c [ 230.935809][ T6998] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.936591][ T6998] gfs2_fill_super+0xdac/0x19e0 [ 230.937309][ T6998] get_tree_bdev+0x358/0x544 [ 230.937970][ T6998] gfs2_get_tree+0x54/0x1b4 [ 230.938683][ T6998] vfs_get_tree+0x90/0x274 [ 230.939359][ T6998] do_new_mount+0x228/0x810 [ 230.940143][ T6998] path_mount+0x5b4/0x1000 [ 230.940872][ T6998] __arm64_sys_mount+0x514/0x5e4 [ 230.941727][ T6998] invoke_syscall+0x98/0x2b8 [ 230.942442][ T6998] el0_svc_common+0x138/0x258 [ 230.943234][ T6998] do_el0_svc+0x58/0x14c [ 230.943862][ T6998] el0_svc+0x78/0x1e0 [ 230.944496][ T6998] el0t_64_sync_handler+0xcc/0xe4 [ 230.945274][ T6998] el0t_64_sync+0x1a0/0x1a4 [ 230.946805][ T6998] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.948822][ T6998] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.076015][ T7001] loop1: detected capacity change from 0 to 32768 [ 231.158120][ T7001] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.159568][ T7001] CPU: 0 PID: 7001 Comm: syz.1.681 Not tainted syzkaller #0 [ 231.160707][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.162368][ T7001] Call trace: [ 231.162922][ T7001] dump_backtrace+0x0/0x43c [ 231.163680][ T7001] show_stack+0x2c/0x3c [ 231.164358][ T7001] __dump_stack+0x30/0x40 [ 231.165081][ T7001] dump_stack_lvl+0xf8/0x160 [ 231.165865][ T7001] dump_stack+0x1c/0x5c [ 231.166588][ T7001] sysfs_create_dir_ns+0x22c/0x24c [ 231.167452][ T7001] kobject_add_internal+0x590/0xc54 [ 231.168263][ T7001] kobject_init_and_add+0x118/0x17c [ 231.169079][ T7001] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.169842][ T7001] gfs2_fill_super+0xdac/0x19e0 [ 231.170610][ T7001] get_tree_bdev+0x358/0x544 [ 231.171324][ T7001] gfs2_get_tree+0x54/0x1b4 [ 231.172055][ T7001] vfs_get_tree+0x90/0x274 [ 231.172778][ T7001] do_new_mount+0x228/0x810 [ 231.173525][ T7001] path_mount+0x5b4/0x1000 [ 231.174196][ T7001] __arm64_sys_mount+0x514/0x5e4 [ 231.175038][ T7001] invoke_syscall+0x98/0x2b8 [ 231.175812][ T7001] el0_svc_common+0x138/0x258 [ 231.176670][ T7001] do_el0_svc+0x58/0x14c [ 231.177329][ T7001] el0_svc+0x78/0x1e0 [ 231.177999][ T7001] el0t_64_sync_handler+0xcc/0xe4 [ 231.178817][ T7001] el0t_64_sync+0x1a0/0x1a4 [ 231.181083][ T7001] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.183074][ T7001] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.309540][ T7004] loop1: detected capacity change from 0 to 32768 [ 231.347193][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.348299][ T7004] CPU: 0 PID: 7004 Comm: syz.1.682 Not tainted syzkaller #0 [ 231.349367][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.350790][ T7004] Call trace: [ 231.351267][ T7004] dump_backtrace+0x0/0x43c [ 231.351890][ T7004] show_stack+0x2c/0x3c [ 231.352509][ T7004] __dump_stack+0x30/0x40 [ 231.353165][ T7004] dump_stack_lvl+0xf8/0x160 [ 231.353899][ T7004] dump_stack+0x1c/0x5c [ 231.354609][ T7004] sysfs_create_dir_ns+0x22c/0x24c [ 231.355478][ T7004] kobject_add_internal+0x590/0xc54 [ 231.356374][ T7004] kobject_init_and_add+0x118/0x17c [ 231.357266][ T7004] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.357993][ T7004] gfs2_fill_super+0xdac/0x19e0 [ 231.358705][ T7004] get_tree_bdev+0x358/0x544 [ 231.359506][ T7004] gfs2_get_tree+0x54/0x1b4 [ 231.360227][ T7004] vfs_get_tree+0x90/0x274 [ 231.360963][ T7004] do_new_mount+0x228/0x810 [ 231.361710][ T7004] path_mount+0x5b4/0x1000 [ 231.362368][ T7004] __arm64_sys_mount+0x514/0x5e4 [ 231.363239][ T7004] invoke_syscall+0x98/0x2b8 [ 231.364021][ T7004] el0_svc_common+0x138/0x258 [ 231.364816][ T7004] do_el0_svc+0x58/0x14c [ 231.365532][ T7004] el0_svc+0x78/0x1e0 [ 231.366192][ T7004] el0t_64_sync_handler+0xcc/0xe4 [ 231.367031][ T7004] el0t_64_sync+0x1a0/0x1a4 [ 231.369501][ T7004] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.371539][ T7004] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.504595][ T7007] loop1: detected capacity change from 0 to 32768 [ 231.544865][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.546091][ T7007] CPU: 1 PID: 7007 Comm: syz.1.683 Not tainted syzkaller #0 [ 231.547367][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.548904][ T7007] Call trace: [ 231.549421][ T7007] dump_backtrace+0x0/0x43c [ 231.550146][ T7007] show_stack+0x2c/0x3c [ 231.550864][ T7007] __dump_stack+0x30/0x40 [ 231.551540][ T7007] dump_stack_lvl+0xf8/0x160 [ 231.552245][ T7007] dump_stack+0x1c/0x5c [ 231.552919][ T7007] sysfs_create_dir_ns+0x22c/0x24c [ 231.553744][ T7007] kobject_add_internal+0x590/0xc54 [ 231.554525][ T7007] kobject_init_and_add+0x118/0x17c [ 231.555306][ T7007] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.556045][ T7007] gfs2_fill_super+0xdac/0x19e0 [ 231.556874][ T7007] get_tree_bdev+0x358/0x544 [ 231.557670][ T7007] gfs2_get_tree+0x54/0x1b4 [ 231.558419][ T7007] vfs_get_tree+0x90/0x274 [ 231.559111][ T7007] do_new_mount+0x228/0x810 [ 231.559821][ T7007] path_mount+0x5b4/0x1000 [ 231.560590][ T7007] __arm64_sys_mount+0x514/0x5e4 [ 231.561420][ T7007] invoke_syscall+0x98/0x2b8 [ 231.562175][ T7007] el0_svc_common+0x138/0x258 [ 231.562933][ T7007] do_el0_svc+0x58/0x14c [ 231.563579][ T7007] el0_svc+0x78/0x1e0 [ 231.564177][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 231.564927][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 231.566167][ T7007] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.568337][ T7007] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.812364][ T7010] loop1: detected capacity change from 0 to 32768 [ 231.857792][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.858955][ T7010] CPU: 0 PID: 7010 Comm: syz.1.684 Not tainted syzkaller #0 [ 231.860052][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.861481][ T7010] Call trace: [ 231.861965][ T7010] dump_backtrace+0x0/0x43c [ 231.862711][ T7010] show_stack+0x2c/0x3c [ 231.863333][ T7010] __dump_stack+0x30/0x40 [ 231.863960][ T7010] dump_stack_lvl+0xf8/0x160 [ 231.864644][ T7010] dump_stack+0x1c/0x5c [ 231.865277][ T7010] sysfs_create_dir_ns+0x22c/0x24c [ 231.866139][ T7010] kobject_add_internal+0x590/0xc54 [ 231.866996][ T7010] kobject_init_and_add+0x118/0x17c [ 231.867794][ T7010] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.868561][ T7010] gfs2_fill_super+0xdac/0x19e0 [ 231.869353][ T7010] get_tree_bdev+0x358/0x544 [ 231.870056][ T7010] gfs2_get_tree+0x54/0x1b4 [ 231.870797][ T7010] vfs_get_tree+0x90/0x274 [ 231.871493][ T7010] do_new_mount+0x228/0x810 [ 231.872208][ T7010] path_mount+0x5b4/0x1000 [ 231.872882][ T7010] __arm64_sys_mount+0x514/0x5e4 [ 231.873638][ T7010] invoke_syscall+0x98/0x2b8 [ 231.874338][ T7010] el0_svc_common+0x138/0x258 [ 231.875022][ T7010] do_el0_svc+0x58/0x14c [ 231.875646][ T7010] el0_svc+0x78/0x1e0 [ 231.876248][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 231.877055][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 231.879561][ T7010] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.881635][ T7010] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.072970][ T7013] loop1: detected capacity change from 0 to 32768 [ 232.163924][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.165232][ T7013] CPU: 1 PID: 7013 Comm: syz.1.685 Not tainted syzkaller #0 [ 232.166362][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.167885][ T7013] Call trace: [ 232.168384][ T7013] dump_backtrace+0x0/0x43c [ 232.169099][ T7013] show_stack+0x2c/0x3c [ 232.169726][ T7013] __dump_stack+0x30/0x40 [ 232.170416][ T7013] dump_stack_lvl+0xf8/0x160 [ 232.171145][ T7013] dump_stack+0x1c/0x5c [ 232.171741][ T7013] sysfs_create_dir_ns+0x22c/0x24c [ 232.172442][ T7013] kobject_add_internal+0x590/0xc54 [ 232.173183][ T7013] kobject_init_and_add+0x118/0x17c [ 232.173917][ T7013] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.174607][ T7013] gfs2_fill_super+0xdac/0x19e0 [ 232.175348][ T7013] get_tree_bdev+0x358/0x544 [ 232.176008][ T7013] gfs2_get_tree+0x54/0x1b4 [ 232.176657][ T7013] vfs_get_tree+0x90/0x274 [ 232.177300][ T7013] do_new_mount+0x228/0x810 [ 232.177992][ T7013] path_mount+0x5b4/0x1000 [ 232.178669][ T7013] __arm64_sys_mount+0x514/0x5e4 [ 232.179422][ T7013] invoke_syscall+0x98/0x2b8 [ 232.180090][ T7013] el0_svc_common+0x138/0x258 [ 232.180764][ T7013] do_el0_svc+0x58/0x14c [ 232.181385][ T7013] el0_svc+0x78/0x1e0 [ 232.182024][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 232.182820][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 232.183879][ T7013] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.186886][ T7013] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.311239][ T7016] loop1: detected capacity change from 0 to 32768 [ 232.358210][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.359305][ T7016] CPU: 1 PID: 7016 Comm: syz.1.686 Not tainted syzkaller #0 [ 232.360387][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.361935][ T7016] Call trace: [ 232.362458][ T7016] dump_backtrace+0x0/0x43c [ 232.363241][ T7016] show_stack+0x2c/0x3c [ 232.363936][ T7016] __dump_stack+0x30/0x40 [ 232.364628][ T7016] dump_stack_lvl+0xf8/0x160 [ 232.365401][ T7016] dump_stack+0x1c/0x5c [ 232.366117][ T7016] sysfs_create_dir_ns+0x22c/0x24c [ 232.366957][ T7016] kobject_add_internal+0x590/0xc54 [ 232.367770][ T7016] kobject_init_and_add+0x118/0x17c [ 232.368604][ T7016] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.369383][ T7016] gfs2_fill_super+0xdac/0x19e0 [ 232.370229][ T7016] get_tree_bdev+0x358/0x544 [ 232.370972][ T7016] gfs2_get_tree+0x54/0x1b4 [ 232.371723][ T7016] vfs_get_tree+0x90/0x274 [ 232.372450][ T7016] do_new_mount+0x228/0x810 [ 232.373219][ T7016] path_mount+0x5b4/0x1000 [ 232.373987][ T7016] __arm64_sys_mount+0x514/0x5e4 [ 232.374817][ T7016] invoke_syscall+0x98/0x2b8 [ 232.375580][ T7016] el0_svc_common+0x138/0x258 [ 232.376374][ T7016] do_el0_svc+0x58/0x14c [ 232.377117][ T7016] el0_svc+0x78/0x1e0 [ 232.377763][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 232.378536][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 232.380876][ T7016] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.382840][ T7016] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.513245][ T7019] loop1: detected capacity change from 0 to 32768 [ 232.601364][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.602500][ T7019] CPU: 1 PID: 7019 Comm: syz.1.687 Not tainted syzkaller #0 [ 232.603637][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.605145][ T7019] Call trace: [ 232.605637][ T7019] dump_backtrace+0x0/0x43c [ 232.606324][ T7019] show_stack+0x2c/0x3c [ 232.606996][ T7019] __dump_stack+0x30/0x40 [ 232.607675][ T7019] dump_stack_lvl+0xf8/0x160 [ 232.608344][ T7019] dump_stack+0x1c/0x5c [ 232.608971][ T7019] sysfs_create_dir_ns+0x22c/0x24c [ 232.609732][ T7019] kobject_add_internal+0x590/0xc54 [ 232.610509][ T7019] kobject_init_and_add+0x118/0x17c [ 232.611405][ T7019] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.612196][ T7019] gfs2_fill_super+0xdac/0x19e0 [ 232.612995][ T7019] get_tree_bdev+0x358/0x544 [ 232.613704][ T7019] gfs2_get_tree+0x54/0x1b4 [ 232.614427][ T7019] vfs_get_tree+0x90/0x274 [ 232.615133][ T7019] do_new_mount+0x228/0x810 [ 232.615761][ T7019] path_mount+0x5b4/0x1000 [ 232.616380][ T7019] __arm64_sys_mount+0x514/0x5e4 [ 232.617175][ T7019] invoke_syscall+0x98/0x2b8 [ 232.617892][ T7019] el0_svc_common+0x138/0x258 [ 232.618557][ T7019] do_el0_svc+0x58/0x14c [ 232.619217][ T7019] el0_svc+0x78/0x1e0 [ 232.619844][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 232.620589][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 232.622754][ T7019] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.624951][ T7019] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.752617][ T7022] loop1: detected capacity change from 0 to 32768 [ 232.794005][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.795296][ T7022] CPU: 1 PID: 7022 Comm: syz.1.688 Not tainted syzkaller #0 [ 232.796493][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.798151][ T7022] Call trace: [ 232.798675][ T7022] dump_backtrace+0x0/0x43c [ 232.799384][ T7022] show_stack+0x2c/0x3c [ 232.799999][ T7022] __dump_stack+0x30/0x40 [ 232.800722][ T7022] dump_stack_lvl+0xf8/0x160 [ 232.801453][ T7022] dump_stack+0x1c/0x5c [ 232.802081][ T7022] sysfs_create_dir_ns+0x22c/0x24c [ 232.802887][ T7022] kobject_add_internal+0x590/0xc54 [ 232.803754][ T7022] kobject_init_and_add+0x118/0x17c [ 232.804602][ T7022] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.805431][ T7022] gfs2_fill_super+0xdac/0x19e0 [ 232.806262][ T7022] get_tree_bdev+0x358/0x544 [ 232.807049][ T7022] gfs2_get_tree+0x54/0x1b4 [ 232.807763][ T7022] vfs_get_tree+0x90/0x274 [ 232.808507][ T7022] do_new_mount+0x228/0x810 [ 232.809273][ T7022] path_mount+0x5b4/0x1000 [ 232.809961][ T7022] __arm64_sys_mount+0x514/0x5e4 [ 232.810755][ T7022] invoke_syscall+0x98/0x2b8 [ 232.811453][ T7022] el0_svc_common+0x138/0x258 [ 232.812113][ T7022] do_el0_svc+0x58/0x14c [ 232.812790][ T7022] el0_svc+0x78/0x1e0 [ 232.813402][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 232.814179][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 232.816319][ T7022] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.818444][ T7022] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.949388][ T7025] loop1: detected capacity change from 0 to 32768 [ 232.958810][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.960086][ T7025] CPU: 1 PID: 7025 Comm: syz.1.689 Not tainted syzkaller #0 [ 232.961297][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.963007][ T7025] Call trace: [ 232.963562][ T7025] dump_backtrace+0x0/0x43c [ 232.964345][ T7025] show_stack+0x2c/0x3c [ 232.965090][ T7025] __dump_stack+0x30/0x40 [ 232.965787][ T7025] dump_stack_lvl+0xf8/0x160 [ 232.966532][ T7025] dump_stack+0x1c/0x5c [ 232.967230][ T7025] sysfs_create_dir_ns+0x22c/0x24c [ 232.968070][ T7025] kobject_add_internal+0x590/0xc54 [ 232.968864][ T7025] kobject_init_and_add+0x118/0x17c [ 232.969742][ T7025] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.970511][ T7025] gfs2_fill_super+0xdac/0x19e0 [ 232.971248][ T7025] get_tree_bdev+0x358/0x544 [ 232.972044][ T7025] gfs2_get_tree+0x54/0x1b4 [ 232.972784][ T7025] vfs_get_tree+0x90/0x274 [ 232.973532][ T7025] do_new_mount+0x228/0x810 [ 232.974227][ T7025] path_mount+0x5b4/0x1000 [ 232.974922][ T7025] __arm64_sys_mount+0x514/0x5e4 [ 232.975747][ T7025] invoke_syscall+0x98/0x2b8 [ 232.976504][ T7025] el0_svc_common+0x138/0x258 [ 232.977247][ T7025] do_el0_svc+0x58/0x14c [ 232.977948][ T7025] el0_svc+0x78/0x1e0 [ 232.978551][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 232.979328][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 232.980168][ T7025] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.982235][ T7025] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.124870][ T7028] loop1: detected capacity change from 0 to 32768 [ 233.129406][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.130581][ T7028] CPU: 1 PID: 7028 Comm: syz.1.690 Not tainted syzkaller #0 [ 233.131781][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.133287][ T7028] Call trace: [ 233.133827][ T7028] dump_backtrace+0x0/0x43c [ 233.134598][ T7028] show_stack+0x2c/0x3c [ 233.135265][ T7028] __dump_stack+0x30/0x40 [ 233.135929][ T7028] dump_stack_lvl+0xf8/0x160 [ 233.136646][ T7028] dump_stack+0x1c/0x5c [ 233.137295][ T7028] sysfs_create_dir_ns+0x22c/0x24c [ 233.138230][ T7028] kobject_add_internal+0x590/0xc54 [ 233.139063][ T7028] kobject_init_and_add+0x118/0x17c [ 233.139955][ T7028] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.140742][ T7028] gfs2_fill_super+0xdac/0x19e0 [ 233.141597][ T7028] get_tree_bdev+0x358/0x544 [ 233.142401][ T7028] gfs2_get_tree+0x54/0x1b4 [ 233.143183][ T7028] vfs_get_tree+0x90/0x274 [ 233.143911][ T7028] do_new_mount+0x228/0x810 [ 233.144715][ T7028] path_mount+0x5b4/0x1000 [ 233.145491][ T7028] __arm64_sys_mount+0x514/0x5e4 [ 233.146341][ T7028] invoke_syscall+0x98/0x2b8 [ 233.147138][ T7028] el0_svc_common+0x138/0x258 [ 233.147860][ T7028] do_el0_svc+0x58/0x14c [ 233.148541][ T7028] el0_svc+0x78/0x1e0 [ 233.149138][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 233.149866][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 233.150724][ T7028] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.152766][ T7028] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.284458][ T7031] loop1: detected capacity change from 0 to 32768 [ 233.340015][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.341232][ T7031] CPU: 1 PID: 7031 Comm: syz.1.691 Not tainted syzkaller #0 [ 233.342358][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.343960][ T7031] Call trace: [ 233.344447][ T7031] dump_backtrace+0x0/0x43c [ 233.345198][ T7031] show_stack+0x2c/0x3c [ 233.345892][ T7031] __dump_stack+0x30/0x40 [ 233.346554][ T7031] dump_stack_lvl+0xf8/0x160 [ 233.347269][ T7031] dump_stack+0x1c/0x5c [ 233.347905][ T7031] sysfs_create_dir_ns+0x22c/0x24c [ 233.348713][ T7031] kobject_add_internal+0x590/0xc54 [ 233.349617][ T7031] kobject_init_and_add+0x118/0x17c [ 233.350478][ T7031] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.351282][ T7031] gfs2_fill_super+0xdac/0x19e0 [ 233.352089][ T7031] get_tree_bdev+0x358/0x544 [ 233.352878][ T7031] gfs2_get_tree+0x54/0x1b4 [ 233.353552][ T7031] vfs_get_tree+0x90/0x274 [ 233.354183][ T7031] do_new_mount+0x228/0x810 [ 233.354797][ T7031] path_mount+0x5b4/0x1000 [ 233.355586][ T7031] __arm64_sys_mount+0x514/0x5e4 [ 233.356360][ T7031] invoke_syscall+0x98/0x2b8 [ 233.357046][ T7031] el0_svc_common+0x138/0x258 [ 233.357763][ T7031] do_el0_svc+0x58/0x14c [ 233.358503][ T7031] el0_svc+0x78/0x1e0 [ 233.359147][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 233.359983][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 233.360905][ T7031] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.363956][ T7031] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.489293][ T7034] loop1: detected capacity change from 0 to 32768 [ 233.537306][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.538676][ T7034] CPU: 1 PID: 7034 Comm: syz.1.692 Not tainted syzkaller #0 [ 233.539815][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.541275][ T7034] Call trace: [ 233.541756][ T7034] dump_backtrace+0x0/0x43c [ 233.542426][ T7034] show_stack+0x2c/0x3c [ 233.543028][ T7034] __dump_stack+0x30/0x40 [ 233.543776][ T7034] dump_stack_lvl+0xf8/0x160 [ 233.544555][ T7034] dump_stack+0x1c/0x5c [ 233.545218][ T7034] sysfs_create_dir_ns+0x22c/0x24c [ 233.546025][ T7034] kobject_add_internal+0x590/0xc54 [ 233.546964][ T7034] kobject_init_and_add+0x118/0x17c [ 233.547815][ T7034] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.548499][ T7034] gfs2_fill_super+0xdac/0x19e0 [ 233.549306][ T7034] get_tree_bdev+0x358/0x544 [ 233.550089][ T7034] gfs2_get_tree+0x54/0x1b4 [ 233.550778][ T7034] vfs_get_tree+0x90/0x274 [ 233.551442][ T7034] do_new_mount+0x228/0x810 [ 233.552214][ T7034] path_mount+0x5b4/0x1000 [ 233.552921][ T7034] __arm64_sys_mount+0x514/0x5e4 [ 233.553758][ T7034] invoke_syscall+0x98/0x2b8 [ 233.554477][ T7034] el0_svc_common+0x138/0x258 [ 233.555259][ T7034] do_el0_svc+0x58/0x14c [ 233.555958][ T7034] el0_svc+0x78/0x1e0 [ 233.556612][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 233.557505][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 233.559617][ T7034] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.561731][ T7034] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:53 executed programs: 679 [ 233.689162][ T7037] loop1: detected capacity change from 0 to 32768 [ 233.729563][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.730859][ T7037] CPU: 1 PID: 7037 Comm: syz.1.693 Not tainted syzkaller #0 [ 233.732006][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.733572][ T7037] Call trace: [ 233.734040][ T7037] dump_backtrace+0x0/0x43c [ 233.734719][ T7037] show_stack+0x2c/0x3c [ 233.735301][ T7037] __dump_stack+0x30/0x40 [ 233.736002][ T7037] dump_stack_lvl+0xf8/0x160 [ 233.736738][ T7037] dump_stack+0x1c/0x5c [ 233.737373][ T7037] sysfs_create_dir_ns+0x22c/0x24c [ 233.738137][ T7037] kobject_add_internal+0x590/0xc54 [ 233.738903][ T7037] kobject_init_and_add+0x118/0x17c [ 233.739715][ T7037] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.740479][ T7037] gfs2_fill_super+0xdac/0x19e0 [ 233.741245][ T7037] get_tree_bdev+0x358/0x544 [ 233.741993][ T7037] gfs2_get_tree+0x54/0x1b4 [ 233.742780][ T7037] vfs_get_tree+0x90/0x274 [ 233.743559][ T7037] do_new_mount+0x228/0x810 [ 233.744320][ T7037] path_mount+0x5b4/0x1000 [ 233.745055][ T7037] __arm64_sys_mount+0x514/0x5e4 [ 233.745819][ T7037] invoke_syscall+0x98/0x2b8 [ 233.746525][ T7037] el0_svc_common+0x138/0x258 [ 233.747245][ T7037] do_el0_svc+0x58/0x14c [ 233.747888][ T7037] el0_svc+0x78/0x1e0 [ 233.748498][ T7037] el0t_64_sync_handler+0xcc/0xe4 [ 233.749253][ T7037] el0t_64_sync+0x1a0/0x1a4 [ 233.750910][ T7037] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.753495][ T7037] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.881691][ T7040] loop1: detected capacity change from 0 to 32768 [ 233.888756][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.889988][ T7040] CPU: 0 PID: 7040 Comm: syz.1.694 Not tainted syzkaller #0 [ 233.891040][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.892483][ T7040] Call trace: [ 233.893004][ T7040] dump_backtrace+0x0/0x43c [ 233.893697][ T7040] show_stack+0x2c/0x3c [ 233.894354][ T7040] __dump_stack+0x30/0x40 [ 233.895036][ T7040] dump_stack_lvl+0xf8/0x160 [ 233.895746][ T7040] dump_stack+0x1c/0x5c [ 233.896407][ T7040] sysfs_create_dir_ns+0x22c/0x24c [ 233.897208][ T7040] kobject_add_internal+0x590/0xc54 [ 233.898005][ T7040] kobject_init_and_add+0x118/0x17c [ 233.898852][ T7040] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.899618][ T7040] gfs2_fill_super+0xdac/0x19e0 [ 233.900337][ T7040] get_tree_bdev+0x358/0x544 [ 233.901044][ T7040] gfs2_get_tree+0x54/0x1b4 [ 233.901745][ T7040] vfs_get_tree+0x90/0x274 [ 233.902436][ T7040] do_new_mount+0x228/0x810 [ 233.903184][ T7040] path_mount+0x5b4/0x1000 [ 233.903890][ T7040] __arm64_sys_mount+0x514/0x5e4 [ 233.904685][ T7040] invoke_syscall+0x98/0x2b8 [ 233.905400][ T7040] el0_svc_common+0x138/0x258 [ 233.906151][ T7040] do_el0_svc+0x58/0x14c [ 233.906825][ T7040] el0_svc+0x78/0x1e0 [ 233.907476][ T7040] el0t_64_sync_handler+0xcc/0xe4 [ 233.908319][ T7040] el0t_64_sync+0x1a0/0x1a4 [ 233.910693][ T7040] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.912701][ T7040] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 234.043210][ T7043] loop1: detected capacity change from 0 to 32768 [ 234.050442][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 234.051651][ T7043] CPU: 1 PID: 7043 Comm: syz.1.695 Not tainted syzkaller #0 [ 234.052733][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.054461][ T7043] Call trace: [ 234.054967][ T7043] dump_backtrace+0x0/0x43c [ 234.055701][ T7043] show_stack+0x2c/0x3c [ 234.056342][ T7043] __dump_stack+0x30/0x40 [ 234.056963][ T7043] dump_stack_lvl+0xf8/0x160 [ 234.057728][ T7043] dump_stack+0x1c/0x5c [ 234.058401][ T7043] sysfs_create_dir_ns+0x22c/0x24c [ 234.059197][ T7043] kobject_add_internal+0x590/0xc54 [ 234.060047][ T7043] kobject_init_and_add+0x118/0x17c [ 234.060921][ T7043] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.061707][ T7043] gfs2_fill_super+0xdac/0x19e0 [ 234.062529][ T7043] get_tree_bdev+0x358/0x544 [ 234.063244][ T7043] gfs2_get_tree+0x54/0x1b4 [ 234.063963][ T7043] vfs_get_tree+0x90/0x274 [ 234.064720][ T7043] do_new_mount+0x228/0x810 [ 234.065455][ T7043] path_mount+0x5b4/0x1000 [ 234.066172][ T7043] __arm64_sys_mount+0x514/0x5e4 [ 234.066987][ T7043] invoke_syscall+0x98/0x2b8 [ 234.067804][ T7043] el0_svc_common+0x138/0x258 [ 234.068589][ T7043] do_el0_svc+0x58/0x14c [ 234.069313][ T7043] el0_svc+0x78/0x1e0 [ 234.069923][ T7043] el0t_64_sync_handler+0xcc/0xe4 [ 234.070720][ T7043] el0t_64_sync+0x1a0/0x1a4 [ 234.073483][ T7043] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 234.075660][ T7043] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 234.291098][ T7046] loop1: detected capacity change from 0 to 32768 [ 234.394902][ T7046] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 234.396186][ T7046] CPU: 1 PID: 7046 Comm: syz.1.696 Not tainted syzkaller #0 [ 234.397349][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.398919][ T7046] Call trace: [ 234.399430][ T7046] dump_backtrace+0x0/0x43c [ 234.400178][ T7046] show_stack+0x2c/0x3c [ 234.400817][ T7046] __dump_stack+0x30/0x40 [ 234.401516][ T7046] dump_stack_lvl+0xf8/0x160 [ 234.402172][ T7046] dump_stack+0x1c/0x5c [ 234.402853][ T7046] sysfs_create_dir_ns+0x22c/0x24c [ 234.403600][ T7046] kobject_add_internal+0x590/0xc54 [ 234.404375][ T7046] kobject_init_and_add+0x118/0x17c [ 234.405153][ T7046] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.405869][ T7046] gfs2_fill_super+0xdac/0x19e0 [ 234.406561][ T7046] get_tree_bdev+0x358/0x544 [ 234.407307][ T7046] gfs2_get_tree+0x54/0x1b4 [ 234.408058][ T7046] vfs_get_tree+0x90/0x274 [ 234.408806][ T7046] do_new_mount+0x228/0x810 [ 234.409573][ T7046] path_mount+0x5b4/0x1000 [ 234.410346][ T7046] __arm64_sys_mount+0x514/0x5e4 [ 234.411191][ T7046] invoke_syscall+0x98/0x2b8 [ 234.411941][ T7046] el0_svc_common+0x138/0x258 [ 234.412669][ T7046] do_el0_svc+0x58/0x14c [ 234.413349][ T7046] el0_svc+0x78/0x1e0 [ 234.414013][ T7046] el0t_64_sync_handler+0xcc/0xe4 [ 234.414862][ T7046] el0t_64_sync+0x1a0/0x1a4 [ 234.417097][ T7046] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 234.419179][ T7046] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 234.680184][ T7049] loop1: detected capacity change from 0 to 32768 [ 234.729240][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 234.730496][ T7049] CPU: 0 PID: 7049 Comm: syz.1.697 Not tainted syzkaller #0 [ 234.731660][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.733239][ T7049] Call trace: [ 234.733738][ T7049] dump_backtrace+0x0/0x43c [ 234.734473][ T7049] show_stack+0x2c/0x3c [ 234.735210][ T7049] __dump_stack+0x30/0x40 [ 234.735916][ T7049] dump_stack_lvl+0xf8/0x160 [ 234.736678][ T7049] dump_stack+0x1c/0x5c [ 234.737297][ T7049] sysfs_create_dir_ns+0x22c/0x24c [ 234.738113][ T7049] kobject_add_internal+0x590/0xc54 [ 234.738985][ T7049] kobject_init_and_add+0x118/0x17c [ 234.739838][ T7049] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.740648][ T7049] gfs2_fill_super+0xdac/0x19e0 [ 234.741449][ T7049] get_tree_bdev+0x358/0x544 [ 234.742189][ T7049] gfs2_get_tree+0x54/0x1b4 [ 234.742843][ T7049] vfs_get_tree+0x90/0x274 [ 234.742886][ T27] INFO: task syz-executor:4716 blocked for more than 143 seconds. [ 234.743490][ T7049] do_new_mount+0x228/0x810 [ 234.744651][ T27] Not tainted syzkaller #0 [ 234.745442][ T7049] path_mount+0x5b4/0x1000 [ 234.746194][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.746939][ T7049] __arm64_sys_mount+0x514/0x5e4 [ 234.748310][ T27] task:syz-executor state:D stack: 0 pid: 4716 ppid: 1 flags:0x00000001 [ 234.749012][ T7049] invoke_syscall+0x98/0x2b8 [ 234.749028][ T7049] el0_svc_common+0x138/0x258 [ 234.750466][ T27] Call trace: [ 234.751238][ T7049] do_el0_svc+0x58/0x14c [ 234.751982][ T27] __switch_to+0x2f4/0x558 [ 234.752526][ T7049] el0_svc+0x78/0x1e0 [ 234.754422][ T7049] el0t_64_sync_handler+0xcc/0xe4 [ 234.755318][ T7049] el0t_64_sync+0x1a0/0x1a4 [ 234.756828][ T7049] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 234.758656][ T7049] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 234.761772][ T27] __schedule+0xe08/0x1bf8 [ 234.762519][ T27] schedule+0x11c/0x1c8 [ 234.763656][ T27] bit_wait+0x1c/0xac [ 234.764333][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 234.765166][ T27] gfs2_glock_nq+0x8f8/0x141c [ 234.765930][ T27] __gfs2_lookup+0x110/0x268 [ 234.766680][ T27] gfs2_lookup+0x2c/0x3c [ 234.767337][ T27] __lookup_slow+0x24c/0x380 [ 234.768085][ T27] lookup_slow+0x5c/0x80 [ 234.768820][ T27] walk_component+0x2b0/0x3a8 [ 234.769574][ T27] path_lookupat+0x13c/0x3d0 [ 234.770312][ T27] filename_lookup+0x180/0x414 [ 234.771078][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.771866][ T27] __arm64_sys_umount+0xf4/0x178 [ 234.772646][ T27] invoke_syscall+0x98/0x2b8 [ 234.773457][ T27] el0_svc_common+0x138/0x258 [ 234.774189][ T27] do_el0_svc+0x58/0x14c [ 234.774971][ T27] el0_svc+0x78/0x1e0 [ 234.775644][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.776413][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.777199][ T27] [ 234.777199][ T27] Showing all locks held in the system: [ 234.778426][ T27] 1 lock held by khungtaskd/27: [ 234.779230][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.780829][ T27] 2 locks held by getty/3808: [ 234.781593][ T27] #0: ffff0000d4d19098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.783369][ T27] #1: ffff80001bd5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.784996][ T27] 1 lock held by syz-executor/4716: [ 234.785923][ T27] #0: ffff0000ee440818 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 234.787658][ T27] 2 locks held by udevd/4965: [ 234.788434][ T27] #0: ffff0000cb76b518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 234.789905][ T27] #1: ffff0000c7c37468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 [ 234.791400][ T27] 1 lock held by syz-executor/6794: [ 234.792216][ T27] #0: ffff0000cb76b518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 234.793972][ T27] [ 234.794376][ T27] ============================================= [ 234.794376][ T27] [ 234.795785][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.796885][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.798000][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.799581][ T27] Call trace: [ 234.800097][ T27] dump_backtrace+0x0/0x43c [ 234.800812][ T27] show_stack+0x2c/0x3c [ 234.801409][ T27] __dump_stack+0x30/0x40 [ 234.802068][ T27] dump_stack_lvl+0xf8/0x160 [ 234.802770][ T27] dump_stack+0x1c/0x5c [ 234.803448][ T27] panic+0x2e4/0x854 [ 234.804091][ T27] hung_task_panic+0x0/0x2c [ 234.804813][ T27] kthread+0x374/0x454 [ 234.805501][ T27] ret_from_fork+0x10/0x20 [ 234.806238][ T27] SMP: stopping secondary CPUs [ 234.806939][ T27] Kernel Offset: disabled [ 234.807605][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.808429][ T27] Memory Limit: none [ 235.150560][ T27] Rebooting in 86400 seconds..