CONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 219.132361][ T421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 219.135346][ T6816] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 219.173432][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 219.174618][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 219.176536][ T6816] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 219.181861][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 219.183854][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 219.190420][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 219.191806][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 219.194017][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 219.195331][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 219.198121][ T6816] device veth0_vlan entered promiscuous mode [ 219.204223][ T6816] device veth1_vlan entered promiscuous mode [ 219.210670][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 219.212168][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 219.213837][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 219.215352][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 219.217721][ T6816] device veth0_macvtap entered promiscuous mode [ 219.220021][ T6816] device veth1_macvtap entered promiscuous mode [ 219.225239][ T6816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 219.226798][ T6816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.228439][ T6816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 219.230044][ T6816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.232030][ T6816] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 219.233252][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 219.235796][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 219.237236][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 219.238699][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 219.240945][ T6816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 219.242448][ T6816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.244652][ T6816] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 219.246274][ T6816] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.248422][ T6816] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 219.253068][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 219.255430][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 219.257776][ T6816] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.258991][ T6816] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.260250][ T6816] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.261446][ T6816] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.281460][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.282671][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 219.290027][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 219.293780][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.294872][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 219.296261][ T1708] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 219.443085][ T6834] loop1: detected capacity change from 0 to 32768 [ 219.488288][ T6834] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.489434][ T6834] CPU: 1 PID: 6834 Comm: syz.1.618 Not tainted syzkaller #0 [ 219.490482][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.491824][ T6834] Call trace: [ 219.492275][ T6834] dump_backtrace+0x0/0x43c [ 219.492954][ T6834] show_stack+0x2c/0x3c [ 219.493712][ T6834] __dump_stack+0x30/0x40 [ 219.494395][ T6834] dump_stack_lvl+0xf8/0x160 [ 219.495135][ T6834] dump_stack+0x1c/0x5c [ 219.495754][ T6834] sysfs_create_dir_ns+0x22c/0x24c [ 219.496531][ T6834] kobject_add_internal+0x590/0xc54 [ 219.497313][ T6834] kobject_init_and_add+0x118/0x17c [ 219.498054][ T6834] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.498695][ T6834] gfs2_fill_super+0xdac/0x19e0 [ 219.499338][ T6834] get_tree_bdev+0x358/0x544 [ 219.499988][ T6834] gfs2_get_tree+0x54/0x1b4 [ 219.500582][ T6834] vfs_get_tree+0x90/0x274 [ 219.501155][ T6834] do_new_mount+0x228/0x810 [ 219.501795][ T6834] path_mount+0x5b4/0x1000 [ 219.502388][ T6834] __arm64_sys_mount+0x514/0x5e4 [ 219.503053][ T6834] invoke_syscall+0x98/0x2b8 [ 219.503684][ T6834] el0_svc_common+0x138/0x258 [ 219.504432][ T6834] do_el0_svc+0x58/0x14c [ 219.505075][ T6834] el0_svc+0x78/0x1e0 [ 219.505672][ T6834] el0t_64_sync_handler+0xcc/0xe4 [ 219.506409][ T6834] el0t_64_sync+0x1a0/0x1a4 [ 219.509399][ T6834] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.511184][ T6834] gfs2: fsid=](_: error -17 adding sysfs files [ 219.655100][ T6837] loop1: detected capacity change from 0 to 32768 [ 219.708693][ T6837] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.709904][ T6837] CPU: 1 PID: 6837 Comm: syz.1.619 Not tainted syzkaller #0 [ 219.710825][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.712191][ T6837] Call trace: [ 219.712647][ T6837] dump_backtrace+0x0/0x43c [ 219.713276][ T6837] show_stack+0x2c/0x3c [ 219.713865][ T6837] __dump_stack+0x30/0x40 [ 219.714451][ T6837] dump_stack_lvl+0xf8/0x160 [ 219.715131][ T6837] dump_stack+0x1c/0x5c [ 219.715710][ T6837] sysfs_create_dir_ns+0x22c/0x24c [ 219.716405][ T6837] kobject_add_internal+0x590/0xc54 [ 219.717173][ T6837] kobject_init_and_add+0x118/0x17c [ 219.717900][ T6837] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.718580][ T6837] gfs2_fill_super+0xdac/0x19e0 [ 219.719222][ T6837] get_tree_bdev+0x358/0x544 [ 219.719874][ T6837] gfs2_get_tree+0x54/0x1b4 [ 219.720491][ T6837] vfs_get_tree+0x90/0x274 [ 219.721131][ T6837] do_new_mount+0x228/0x810 [ 219.721817][ T6837] path_mount+0x5b4/0x1000 [ 219.722472][ T6837] __arm64_sys_mount+0x514/0x5e4 [ 219.723205][ T6837] invoke_syscall+0x98/0x2b8 [ 219.723858][ T6837] el0_svc_common+0x138/0x258 [ 219.724506][ T6837] do_el0_svc+0x58/0x14c [ 219.725107][ T6837] el0_svc+0x78/0x1e0 [ 219.725643][ T6837] el0t_64_sync_handler+0xcc/0xe4 [ 219.726307][ T6837] el0t_64_sync+0x1a0/0x1a4 [ 219.728801][ T6837] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.730606][ T6837] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:39 executed programs: 606 [ 219.873969][ T6840] loop1: detected capacity change from 0 to 32768 [ 219.881378][ T6840] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.882458][ T6840] CPU: 0 PID: 6840 Comm: syz.1.620 Not tainted syzkaller #0 [ 219.883443][ T6840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.884863][ T6840] Call trace: [ 219.885319][ T6840] dump_backtrace+0x0/0x43c [ 219.885968][ T6840] show_stack+0x2c/0x3c [ 219.886547][ T6840] __dump_stack+0x30/0x40 [ 219.887151][ T6840] dump_stack_lvl+0xf8/0x160 [ 219.887765][ T6840] dump_stack+0x1c/0x5c [ 219.888344][ T6840] sysfs_create_dir_ns+0x22c/0x24c [ 219.889067][ T6840] kobject_add_internal+0x590/0xc54 [ 219.889825][ T6840] kobject_init_and_add+0x118/0x17c [ 219.890616][ T6840] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.891305][ T6840] gfs2_fill_super+0xdac/0x19e0 [ 219.892044][ T6840] get_tree_bdev+0x358/0x544 [ 219.892675][ T6840] gfs2_get_tree+0x54/0x1b4 [ 219.893295][ T6840] vfs_get_tree+0x90/0x274 [ 219.893917][ T6840] do_new_mount+0x228/0x810 [ 219.894575][ T6840] path_mount+0x5b4/0x1000 [ 219.895247][ T6840] __arm64_sys_mount+0x514/0x5e4 [ 219.895964][ T6840] invoke_syscall+0x98/0x2b8 [ 219.896594][ T6840] el0_svc_common+0x138/0x258 [ 219.897258][ T6840] do_el0_svc+0x58/0x14c [ 219.897870][ T6840] el0_svc+0x78/0x1e0 [ 219.898468][ T6840] el0t_64_sync_handler+0xcc/0xe4 [ 219.899173][ T6840] el0t_64_sync+0x1a0/0x1a4 [ 219.899938][ T6840] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.901719][ T6840] gfs2: fsid=](_: error -17 adding sysfs files [ 219.948492][ T148] device hsr_slave_0 left promiscuous mode [ 219.973876][ T148] device hsr_slave_1 left promiscuous mode [ 220.013558][ T4657] Bluetooth: hci2: command 0x0409 tx timeout [ 220.053430][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 220.054552][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 220.055914][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 220.057095][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 220.058429][ T148] device bridge_slave_1 left promiscuous mode [ 220.059417][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 220.104228][ T148] device bridge_slave_0 left promiscuous mode [ 220.105231][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 220.116431][ T6843] loop1: detected capacity change from 0 to 32768 [ 220.169540][ T6843] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.170730][ T6843] CPU: 1 PID: 6843 Comm: syz.1.621 Not tainted syzkaller #0 [ 220.171823][ T6843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.173162][ T6843] Call trace: [ 220.173619][ T6843] dump_backtrace+0x0/0x43c [ 220.174241][ T6843] show_stack+0x2c/0x3c [ 220.174806][ T6843] __dump_stack+0x30/0x40 [ 220.175469][ T6843] dump_stack_lvl+0xf8/0x160 [ 220.176108][ T6843] dump_stack+0x1c/0x5c [ 220.176704][ T6843] sysfs_create_dir_ns+0x22c/0x24c [ 220.177462][ T6843] kobject_add_internal+0x590/0xc54 [ 220.178203][ T6843] kobject_init_and_add+0x118/0x17c [ 220.178940][ T6843] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.179634][ T6843] gfs2_fill_super+0xdac/0x19e0 [ 220.180347][ T6843] get_tree_bdev+0x358/0x544 [ 220.181016][ T6843] gfs2_get_tree+0x54/0x1b4 [ 220.181663][ T6843] vfs_get_tree+0x90/0x274 [ 220.182269][ T6843] do_new_mount+0x228/0x810 [ 220.182942][ T6843] path_mount+0x5b4/0x1000 [ 220.183591][ T6843] __arm64_sys_mount+0x514/0x5e4 [ 220.184301][ T6843] invoke_syscall+0x98/0x2b8 [ 220.184952][ T6843] el0_svc_common+0x138/0x258 [ 220.185609][ T6843] do_el0_svc+0x58/0x14c [ 220.186233][ T6843] el0_svc+0x78/0x1e0 [ 220.186807][ T6843] el0t_64_sync_handler+0xcc/0xe4 [ 220.187514][ T6843] el0t_64_sync+0x1a0/0x1a4 [ 220.190140][ T6843] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.192005][ T6843] gfs2: fsid=](_: error -17 adding sysfs files [ 220.233461][ T148] device veth1_macvtap left promiscuous mode [ 220.234417][ T148] device veth0_macvtap left promiscuous mode [ 220.235353][ T148] device veth1_vlan left promiscuous mode [ 220.236252][ T148] device veth0_vlan left promiscuous mode [ 220.320889][ T6846] loop1: detected capacity change from 0 to 32768 [ 220.347566][ T6846] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.348609][ T6846] CPU: 1 PID: 6846 Comm: syz.1.622 Not tainted syzkaller #0 [ 220.349649][ T6846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.351177][ T6846] Call trace: [ 220.351663][ T6846] dump_backtrace+0x0/0x43c [ 220.352283][ T6846] show_stack+0x2c/0x3c [ 220.352895][ T6846] __dump_stack+0x30/0x40 [ 220.353575][ T6846] dump_stack_lvl+0xf8/0x160 [ 220.354206][ T6846] dump_stack+0x1c/0x5c [ 220.354813][ T6846] sysfs_create_dir_ns+0x22c/0x24c [ 220.355573][ T6846] kobject_add_internal+0x590/0xc54 [ 220.356326][ T6846] kobject_init_and_add+0x118/0x17c [ 220.357045][ T6846] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.357738][ T6846] gfs2_fill_super+0xdac/0x19e0 [ 220.358438][ T6846] get_tree_bdev+0x358/0x544 [ 220.359090][ T6846] gfs2_get_tree+0x54/0x1b4 [ 220.359724][ T6846] vfs_get_tree+0x90/0x274 [ 220.360357][ T6846] do_new_mount+0x228/0x810 [ 220.361013][ T6846] path_mount+0x5b4/0x1000 [ 220.361634][ T6846] __arm64_sys_mount+0x514/0x5e4 [ 220.362345][ T6846] invoke_syscall+0x98/0x2b8 [ 220.363011][ T6846] el0_svc_common+0x138/0x258 [ 220.363623][ T6846] do_el0_svc+0x58/0x14c [ 220.364216][ T6846] el0_svc+0x78/0x1e0 [ 220.364795][ T6846] el0t_64_sync_handler+0xcc/0xe4 [ 220.365654][ T6846] el0t_64_sync+0x1a0/0x1a4 [ 220.374827][ T6846] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.376994][ T6846] gfs2: fsid=](_: error -17 adding sysfs files [ 220.405049][ T148] team0 (unregistering): Port device team_slave_1 removed [ 220.409393][ T148] team0 (unregistering): Port device team_slave_0 removed [ 220.413141][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 220.456816][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 220.522966][ T6849] loop1: detected capacity change from 0 to 32768 [ 220.529506][ T6849] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.530497][ T6849] CPU: 0 PID: 6849 Comm: syz.1.623 Not tainted syzkaller #0 [ 220.531598][ T6849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.533078][ T6849] Call trace: [ 220.533530][ T6849] dump_backtrace+0x0/0x43c [ 220.534162][ T6849] show_stack+0x2c/0x3c [ 220.534751][ T6849] __dump_stack+0x30/0x40 [ 220.535346][ T6849] dump_stack_lvl+0xf8/0x160 [ 220.535956][ T6849] dump_stack+0x1c/0x5c [ 220.536606][ T6849] sysfs_create_dir_ns+0x22c/0x24c [ 220.537405][ T6849] kobject_add_internal+0x590/0xc54 [ 220.538117][ T6849] kobject_init_and_add+0x118/0x17c [ 220.538855][ T6849] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.539522][ T6849] gfs2_fill_super+0xdac/0x19e0 [ 220.540182][ T6849] get_tree_bdev+0x358/0x544 [ 220.540807][ T6849] gfs2_get_tree+0x54/0x1b4 [ 220.541515][ T6849] vfs_get_tree+0x90/0x274 [ 220.542113][ T6849] do_new_mount+0x228/0x810 [ 220.542716][ T6849] path_mount+0x5b4/0x1000 [ 220.543334][ T6849] __arm64_sys_mount+0x514/0x5e4 [ 220.543978][ T6849] invoke_syscall+0x98/0x2b8 [ 220.544710][ T6849] el0_svc_common+0x138/0x258 [ 220.545387][ T6849] do_el0_svc+0x58/0x14c [ 220.546004][ T6849] el0_svc+0x78/0x1e0 [ 220.546578][ T6849] el0t_64_sync_handler+0xcc/0xe4 [ 220.547247][ T6849] el0t_64_sync+0x1a0/0x1a4 [ 220.550656][ T6849] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.552480][ T6849] gfs2: fsid=](_: error -17 adding sysfs files [ 220.566699][ T148] bond0 (unregistering): Released all slaves [ 220.696212][ T6852] loop1: detected capacity change from 0 to 32768 [ 220.736216][ T6852] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.737289][ T6852] CPU: 1 PID: 6852 Comm: syz.1.624 Not tainted syzkaller #0 [ 220.738367][ T6852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.739743][ T6852] Call trace: [ 220.740184][ T6852] dump_backtrace+0x0/0x43c [ 220.740810][ T6852] show_stack+0x2c/0x3c [ 220.741381][ T6852] __dump_stack+0x30/0x40 [ 220.742046][ T6852] dump_stack_lvl+0xf8/0x160 [ 220.742756][ T6852] dump_stack+0x1c/0x5c [ 220.743417][ T6852] sysfs_create_dir_ns+0x22c/0x24c [ 220.744209][ T6852] kobject_add_internal+0x590/0xc54 [ 220.744993][ T6852] kobject_init_and_add+0x118/0x17c [ 220.745703][ T6852] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.746380][ T6852] gfs2_fill_super+0xdac/0x19e0 [ 220.747129][ T6852] get_tree_bdev+0x358/0x544 [ 220.747785][ T6852] gfs2_get_tree+0x54/0x1b4 [ 220.748423][ T6852] vfs_get_tree+0x90/0x274 [ 220.749062][ T6852] do_new_mount+0x228/0x810 [ 220.749706][ T6852] path_mount+0x5b4/0x1000 [ 220.750320][ T6852] __arm64_sys_mount+0x514/0x5e4 [ 220.751010][ T6852] invoke_syscall+0x98/0x2b8 [ 220.751673][ T6852] el0_svc_common+0x138/0x258 [ 220.752295][ T6852] do_el0_svc+0x58/0x14c [ 220.752906][ T6852] el0_svc+0x78/0x1e0 [ 220.753456][ T6852] el0t_64_sync_handler+0xcc/0xe4 [ 220.754102][ T6852] el0t_64_sync+0x1a0/0x1a4 [ 220.756601][ T6852] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.758429][ T6852] gfs2: fsid=](_: error -17 adding sysfs files [ 220.888138][ T6855] loop1: detected capacity change from 0 to 32768 [ 220.914506][ T6855] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.915599][ T6855] CPU: 0 PID: 6855 Comm: syz.1.625 Not tainted syzkaller #0 [ 220.916672][ T6855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.918058][ T6855] Call trace: [ 220.918494][ T6855] dump_backtrace+0x0/0x43c [ 220.919070][ T6855] show_stack+0x2c/0x3c [ 220.919660][ T6855] __dump_stack+0x30/0x40 [ 220.920267][ T6855] dump_stack_lvl+0xf8/0x160 [ 220.920862][ T6855] dump_stack+0x1c/0x5c [ 220.921441][ T6855] sysfs_create_dir_ns+0x22c/0x24c [ 220.922213][ T6855] kobject_add_internal+0x590/0xc54 [ 220.922956][ T6855] kobject_init_and_add+0x118/0x17c [ 220.923691][ T6855] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.924417][ T6855] gfs2_fill_super+0xdac/0x19e0 [ 220.925167][ T6855] get_tree_bdev+0x358/0x544 [ 220.925862][ T6855] gfs2_get_tree+0x54/0x1b4 [ 220.926507][ T6855] vfs_get_tree+0x90/0x274 [ 220.927143][ T6855] do_new_mount+0x228/0x810 [ 220.927823][ T6855] path_mount+0x5b4/0x1000 [ 220.928476][ T6855] __arm64_sys_mount+0x514/0x5e4 [ 220.929278][ T6855] invoke_syscall+0x98/0x2b8 [ 220.929949][ T6855] el0_svc_common+0x138/0x258 [ 220.930627][ T6855] do_el0_svc+0x58/0x14c [ 220.931231][ T6855] el0_svc+0x78/0x1e0 [ 220.931819][ T6855] el0t_64_sync_handler+0xcc/0xe4 [ 220.932520][ T6855] el0t_64_sync+0x1a0/0x1a4 [ 220.933714][ T6855] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.935460][ T6855] gfs2: fsid=](_: error -17 adding sysfs files [ 221.071606][ T6858] loop1: detected capacity change from 0 to 32768 [ 221.116183][ T6858] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.117302][ T6858] CPU: 1 PID: 6858 Comm: syz.1.626 Not tainted syzkaller #0 [ 221.118359][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.119722][ T6858] Call trace: [ 221.120174][ T6858] dump_backtrace+0x0/0x43c [ 221.120825][ T6858] show_stack+0x2c/0x3c [ 221.121398][ T6858] __dump_stack+0x30/0x40 [ 221.121991][ T6858] dump_stack_lvl+0xf8/0x160 [ 221.122601][ T6858] dump_stack+0x1c/0x5c [ 221.123168][ T6858] sysfs_create_dir_ns+0x22c/0x24c [ 221.123897][ T6858] kobject_add_internal+0x590/0xc54 [ 221.124635][ T6858] kobject_init_and_add+0x118/0x17c [ 221.125405][ T6858] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.126087][ T6858] gfs2_fill_super+0xdac/0x19e0 [ 221.126802][ T6858] get_tree_bdev+0x358/0x544 [ 221.127420][ T6858] gfs2_get_tree+0x54/0x1b4 [ 221.128113][ T6858] vfs_get_tree+0x90/0x274 [ 221.128772][ T6858] do_new_mount+0x228/0x810 [ 221.129395][ T6858] path_mount+0x5b4/0x1000 [ 221.130083][ T6858] __arm64_sys_mount+0x514/0x5e4 [ 221.130812][ T6858] invoke_syscall+0x98/0x2b8 [ 221.131448][ T6858] el0_svc_common+0x138/0x258 [ 221.132088][ T6858] do_el0_svc+0x58/0x14c [ 221.132706][ T6858] el0_svc+0x78/0x1e0 [ 221.133286][ T6858] el0t_64_sync_handler+0xcc/0xe4 [ 221.134053][ T6858] el0t_64_sync+0x1a0/0x1a4 [ 221.135314][ T6858] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.137278][ T6858] gfs2: fsid=](_: error -17 adding sysfs files [ 221.309373][ T6861] loop1: detected capacity change from 0 to 32768 [ 221.316907][ T6861] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.317985][ T6861] CPU: 0 PID: 6861 Comm: syz.1.627 Not tainted syzkaller #0 [ 221.318968][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.320392][ T6861] Call trace: [ 221.320837][ T6861] dump_backtrace+0x0/0x43c [ 221.321471][ T6861] show_stack+0x2c/0x3c [ 221.322030][ T6861] __dump_stack+0x30/0x40 [ 221.322659][ T6861] dump_stack_lvl+0xf8/0x160 [ 221.323260][ T6861] dump_stack+0x1c/0x5c [ 221.323885][ T6861] sysfs_create_dir_ns+0x22c/0x24c [ 221.324637][ T6861] kobject_add_internal+0x590/0xc54 [ 221.325303][ T6861] kobject_init_and_add+0x118/0x17c [ 221.326025][ T6861] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.326666][ T6861] gfs2_fill_super+0xdac/0x19e0 [ 221.327284][ T6861] get_tree_bdev+0x358/0x544 [ 221.327925][ T6861] gfs2_get_tree+0x54/0x1b4 [ 221.328546][ T6861] vfs_get_tree+0x90/0x274 [ 221.329173][ T6861] do_new_mount+0x228/0x810 [ 221.329783][ T6861] path_mount+0x5b4/0x1000 [ 221.330398][ T6861] __arm64_sys_mount+0x514/0x5e4 [ 221.331102][ T6861] invoke_syscall+0x98/0x2b8 [ 221.331715][ T6861] el0_svc_common+0x138/0x258 [ 221.332336][ T6861] do_el0_svc+0x58/0x14c [ 221.332894][ T6861] el0_svc+0x78/0x1e0 [ 221.333406][ T6861] el0t_64_sync_handler+0xcc/0xe4 [ 221.334072][ T6861] el0t_64_sync+0x1a0/0x1a4 [ 221.336831][ T6861] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.338639][ T6861] gfs2: fsid=](_: error -17 adding sysfs files [ 221.467978][ T6864] loop1: detected capacity change from 0 to 32768 [ 221.504854][ T6864] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.505971][ T6864] CPU: 1 PID: 6864 Comm: syz.1.628 Not tainted syzkaller #0 [ 221.507104][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.508572][ T6864] Call trace: [ 221.508999][ T6864] dump_backtrace+0x0/0x43c [ 221.509616][ T6864] show_stack+0x2c/0x3c [ 221.510205][ T6864] __dump_stack+0x30/0x40 [ 221.510771][ T6864] dump_stack_lvl+0xf8/0x160 [ 221.511399][ T6864] dump_stack+0x1c/0x5c [ 221.511997][ T6864] sysfs_create_dir_ns+0x22c/0x24c [ 221.512656][ T6864] kobject_add_internal+0x590/0xc54 [ 221.513384][ T6864] kobject_init_and_add+0x118/0x17c [ 221.514092][ T6864] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.514827][ T6864] gfs2_fill_super+0xdac/0x19e0 [ 221.515479][ T6864] get_tree_bdev+0x358/0x544 [ 221.516084][ T6864] gfs2_get_tree+0x54/0x1b4 [ 221.516691][ T6864] vfs_get_tree+0x90/0x274 [ 221.517301][ T6864] do_new_mount+0x228/0x810 [ 221.517874][ T6864] path_mount+0x5b4/0x1000 [ 221.518523][ T6864] __arm64_sys_mount+0x514/0x5e4 [ 221.519207][ T6864] invoke_syscall+0x98/0x2b8 [ 221.519870][ T6864] el0_svc_common+0x138/0x258 [ 221.520503][ T6864] do_el0_svc+0x58/0x14c [ 221.521087][ T6864] el0_svc+0x78/0x1e0 [ 221.521664][ T6864] el0t_64_sync_handler+0xcc/0xe4 [ 221.522359][ T6864] el0t_64_sync+0x1a0/0x1a4 [ 221.525179][ T6864] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.527024][ T6864] gfs2: fsid=](_: error -17 adding sysfs files [ 221.667457][ T6867] loop1: detected capacity change from 0 to 32768 [ 221.710056][ T6867] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.711115][ T6867] CPU: 1 PID: 6867 Comm: syz.1.629 Not tainted syzkaller #0 [ 221.712129][ T6867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.713777][ T6867] Call trace: [ 221.714292][ T6867] dump_backtrace+0x0/0x43c [ 221.714954][ T6867] show_stack+0x2c/0x3c [ 221.715584][ T6867] __dump_stack+0x30/0x40 [ 221.716257][ T6867] dump_stack_lvl+0xf8/0x160 [ 221.716894][ T6867] dump_stack+0x1c/0x5c [ 221.717522][ T6867] sysfs_create_dir_ns+0x22c/0x24c [ 221.718215][ T6867] kobject_add_internal+0x590/0xc54 [ 221.718940][ T6867] kobject_init_and_add+0x118/0x17c [ 221.719691][ T6867] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.720397][ T6867] gfs2_fill_super+0xdac/0x19e0 [ 221.721065][ T6867] get_tree_bdev+0x358/0x544 [ 221.721688][ T6867] gfs2_get_tree+0x54/0x1b4 [ 221.722323][ T6867] vfs_get_tree+0x90/0x274 [ 221.722936][ T6867] do_new_mount+0x228/0x810 [ 221.723611][ T6867] path_mount+0x5b4/0x1000 [ 221.724261][ T6867] __arm64_sys_mount+0x514/0x5e4 [ 221.724924][ T6867] invoke_syscall+0x98/0x2b8 [ 221.725573][ T6867] el0_svc_common+0x138/0x258 [ 221.726196][ T6867] do_el0_svc+0x58/0x14c [ 221.726795][ T6867] el0_svc+0x78/0x1e0 [ 221.727332][ T6867] el0t_64_sync_handler+0xcc/0xe4 [ 221.728047][ T6867] el0t_64_sync+0x1a0/0x1a4 [ 221.731989][ T6867] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.735232][ T6867] gfs2: fsid=](_: error -17 adding sysfs files [ 221.947350][ T6870] loop1: detected capacity change from 0 to 32768 [ 222.034189][ T6870] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.035308][ T6870] CPU: 1 PID: 6870 Comm: syz.1.630 Not tainted syzkaller #0 [ 222.036387][ T6870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.037763][ T6870] Call trace: [ 222.038193][ T6870] dump_backtrace+0x0/0x43c [ 222.038842][ T6870] show_stack+0x2c/0x3c [ 222.039471][ T6870] __dump_stack+0x30/0x40 [ 222.040015][ T6870] dump_stack_lvl+0xf8/0x160 [ 222.040677][ T6870] dump_stack+0x1c/0x5c [ 222.041271][ T6870] sysfs_create_dir_ns+0x22c/0x24c [ 222.041995][ T6870] kobject_add_internal+0x590/0xc54 [ 222.042781][ T6870] kobject_init_and_add+0x118/0x17c [ 222.043467][ T6870] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.044195][ T6870] gfs2_fill_super+0xdac/0x19e0 [ 222.044864][ T6870] get_tree_bdev+0x358/0x544 [ 222.045515][ T6870] gfs2_get_tree+0x54/0x1b4 [ 222.046155][ T6870] vfs_get_tree+0x90/0x274 [ 222.046768][ T6870] do_new_mount+0x228/0x810 [ 222.047452][ T6870] path_mount+0x5b4/0x1000 [ 222.048056][ T6870] __arm64_sys_mount+0x514/0x5e4 [ 222.048732][ T6870] invoke_syscall+0x98/0x2b8 [ 222.049432][ T6870] el0_svc_common+0x138/0x258 [ 222.050167][ T6870] do_el0_svc+0x58/0x14c [ 222.050823][ T6870] el0_svc+0x78/0x1e0 [ 222.051480][ T6870] el0t_64_sync_handler+0xcc/0xe4 [ 222.052158][ T6870] el0t_64_sync+0x1a0/0x1a4 [ 222.054303][ T6870] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.056421][ T6870] gfs2: fsid=](_: error -17 adding sysfs files [ 222.093389][ T4657] Bluetooth: hci2: command 0x041b tx timeout [ 222.257005][ T6873] loop1: detected capacity change from 0 to 32768 [ 222.299435][ T6873] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.300566][ T6873] CPU: 1 PID: 6873 Comm: syz.1.631 Not tainted syzkaller #0 [ 222.301636][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.303092][ T6873] Call trace: [ 222.303591][ T6873] dump_backtrace+0x0/0x43c [ 222.304278][ T6873] show_stack+0x2c/0x3c [ 222.304881][ T6873] __dump_stack+0x30/0x40 [ 222.305524][ T6873] dump_stack_lvl+0xf8/0x160 [ 222.306174][ T6873] dump_stack+0x1c/0x5c [ 222.306767][ T6873] sysfs_create_dir_ns+0x22c/0x24c [ 222.307441][ T6873] kobject_add_internal+0x590/0xc54 [ 222.308189][ T6873] kobject_init_and_add+0x118/0x17c [ 222.308873][ T6873] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.309673][ T6873] gfs2_fill_super+0xdac/0x19e0 [ 222.310510][ T6873] get_tree_bdev+0x358/0x544 [ 222.311253][ T6873] gfs2_get_tree+0x54/0x1b4 [ 222.311971][ T6873] vfs_get_tree+0x90/0x274 [ 222.312654][ T6873] do_new_mount+0x228/0x810 [ 222.313347][ T6873] path_mount+0x5b4/0x1000 [ 222.314005][ T6873] __arm64_sys_mount+0x514/0x5e4 [ 222.314719][ T6873] invoke_syscall+0x98/0x2b8 [ 222.315380][ T6873] el0_svc_common+0x138/0x258 [ 222.316072][ T6873] do_el0_svc+0x58/0x14c [ 222.316722][ T6873] el0_svc+0x78/0x1e0 [ 222.317291][ T6873] el0t_64_sync_handler+0xcc/0xe4 [ 222.318036][ T6873] el0t_64_sync+0x1a0/0x1a4 [ 222.320579][ T6873] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.322349][ T6873] gfs2: fsid=](_: error -17 adding sysfs files [ 222.453077][ T6876] loop1: detected capacity change from 0 to 32768 [ 222.494570][ T6876] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.495689][ T6876] CPU: 0 PID: 6876 Comm: syz.1.632 Not tainted syzkaller #0 [ 222.496734][ T6876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.498097][ T6876] Call trace: [ 222.498528][ T6876] dump_backtrace+0x0/0x43c [ 222.499172][ T6876] show_stack+0x2c/0x3c [ 222.499783][ T6876] __dump_stack+0x30/0x40 [ 222.500450][ T6876] dump_stack_lvl+0xf8/0x160 [ 222.501133][ T6876] dump_stack+0x1c/0x5c [ 222.501674][ T6876] sysfs_create_dir_ns+0x22c/0x24c [ 222.502436][ T6876] kobject_add_internal+0x590/0xc54 [ 222.503237][ T6876] kobject_init_and_add+0x118/0x17c [ 222.503971][ T6876] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.504652][ T6876] gfs2_fill_super+0xdac/0x19e0 [ 222.505272][ T6876] get_tree_bdev+0x358/0x544 [ 222.505964][ T6876] gfs2_get_tree+0x54/0x1b4 [ 222.506670][ T6876] vfs_get_tree+0x90/0x274 [ 222.507340][ T6876] do_new_mount+0x228/0x810 [ 222.508045][ T6876] path_mount+0x5b4/0x1000 [ 222.508743][ T6876] __arm64_sys_mount+0x514/0x5e4 [ 222.509462][ T6876] invoke_syscall+0x98/0x2b8 [ 222.510188][ T6876] el0_svc_common+0x138/0x258 [ 222.510861][ T6876] do_el0_svc+0x58/0x14c [ 222.511475][ T6876] el0_svc+0x78/0x1e0 [ 222.512021][ T6876] el0t_64_sync_handler+0xcc/0xe4 [ 222.512751][ T6876] el0t_64_sync+0x1a0/0x1a4 [ 222.515184][ T6876] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.517121][ T6876] gfs2: fsid=](_: error -17 adding sysfs files [ 222.665051][ T6879] loop1: detected capacity change from 0 to 32768 [ 222.704582][ T6879] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.705642][ T6879] CPU: 0 PID: 6879 Comm: syz.1.633 Not tainted syzkaller #0 [ 222.706652][ T6879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.708055][ T6879] Call trace: [ 222.708506][ T6879] dump_backtrace+0x0/0x43c [ 222.709183][ T6879] show_stack+0x2c/0x3c [ 222.709786][ T6879] __dump_stack+0x30/0x40 [ 222.710385][ T6879] dump_stack_lvl+0xf8/0x160 [ 222.711029][ T6879] dump_stack+0x1c/0x5c [ 222.711603][ T6879] sysfs_create_dir_ns+0x22c/0x24c [ 222.712301][ T6879] kobject_add_internal+0x590/0xc54 [ 222.713046][ T6879] kobject_init_and_add+0x118/0x17c [ 222.713778][ T6879] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.714409][ T6879] gfs2_fill_super+0xdac/0x19e0 [ 222.715093][ T6879] get_tree_bdev+0x358/0x544 [ 222.715732][ T6879] gfs2_get_tree+0x54/0x1b4 [ 222.716345][ T6879] vfs_get_tree+0x90/0x274 [ 222.716973][ T6879] do_new_mount+0x228/0x810 [ 222.717666][ T6879] path_mount+0x5b4/0x1000 [ 222.718319][ T6879] __arm64_sys_mount+0x514/0x5e4 [ 222.719030][ T6879] invoke_syscall+0x98/0x2b8 [ 222.719726][ T6879] el0_svc_common+0x138/0x258 [ 222.720363][ T6879] do_el0_svc+0x58/0x14c [ 222.721029][ T6879] el0_svc+0x78/0x1e0 [ 222.721614][ T6879] el0t_64_sync_handler+0xcc/0xe4 [ 222.722313][ T6879] el0t_64_sync+0x1a0/0x1a4 [ 222.723995][ T6879] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.725830][ T6879] gfs2: fsid=](_: error -17 adding sysfs files [ 222.860190][ T6882] loop1: detected capacity change from 0 to 32768 [ 222.869540][ T6882] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.870607][ T6882] CPU: 0 PID: 6882 Comm: syz.1.634 Not tainted syzkaller #0 [ 222.871607][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.873009][ T6882] Call trace: [ 222.873462][ T6882] dump_backtrace+0x0/0x43c [ 222.874110][ T6882] show_stack+0x2c/0x3c [ 222.874705][ T6882] __dump_stack+0x30/0x40 [ 222.875365][ T6882] dump_stack_lvl+0xf8/0x160 [ 222.876036][ T6882] dump_stack+0x1c/0x5c [ 222.876599][ T6882] sysfs_create_dir_ns+0x22c/0x24c [ 222.877330][ T6882] kobject_add_internal+0x590/0xc54 [ 222.878069][ T6882] kobject_init_and_add+0x118/0x17c [ 222.878820][ T6882] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.879563][ T6882] gfs2_fill_super+0xdac/0x19e0 [ 222.880221][ T6882] get_tree_bdev+0x358/0x544 [ 222.880864][ T6882] gfs2_get_tree+0x54/0x1b4 [ 222.881518][ T6882] vfs_get_tree+0x90/0x274 [ 222.882155][ T6882] do_new_mount+0x228/0x810 [ 222.882837][ T6882] path_mount+0x5b4/0x1000 [ 222.883499][ T6882] __arm64_sys_mount+0x514/0x5e4 [ 222.884242][ T6882] invoke_syscall+0x98/0x2b8 [ 222.884925][ T6882] el0_svc_common+0x138/0x258 [ 222.885602][ T6882] do_el0_svc+0x58/0x14c [ 222.886234][ T6882] el0_svc+0x78/0x1e0 [ 222.886761][ T6882] el0t_64_sync_handler+0xcc/0xe4 [ 222.887483][ T6882] el0t_64_sync+0x1a0/0x1a4 [ 222.888291][ T6882] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.890060][ T6882] gfs2: fsid=](_: error -17 adding sysfs files [ 223.104627][ T6885] loop1: detected capacity change from 0 to 32768 [ 223.163426][ T6885] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.164555][ T6885] CPU: 0 PID: 6885 Comm: syz.1.635 Not tainted syzkaller #0 [ 223.165651][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.167208][ T6885] Call trace: [ 223.167691][ T6885] dump_backtrace+0x0/0x43c [ 223.168311][ T6885] show_stack+0x2c/0x3c [ 223.168872][ T6885] __dump_stack+0x30/0x40 [ 223.169510][ T6885] dump_stack_lvl+0xf8/0x160 [ 223.170172][ T6885] dump_stack+0x1c/0x5c [ 223.170746][ T6885] sysfs_create_dir_ns+0x22c/0x24c [ 223.171406][ T6885] kobject_add_internal+0x590/0xc54 [ 223.172111][ T6885] kobject_init_and_add+0x118/0x17c [ 223.172886][ T6885] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.173558][ T6885] gfs2_fill_super+0xdac/0x19e0 [ 223.174227][ T6885] get_tree_bdev+0x358/0x544 [ 223.174865][ T6885] gfs2_get_tree+0x54/0x1b4 [ 223.175486][ T6885] vfs_get_tree+0x90/0x274 [ 223.176121][ T6885] do_new_mount+0x228/0x810 [ 223.176759][ T6885] path_mount+0x5b4/0x1000 [ 223.177390][ T6885] __arm64_sys_mount+0x514/0x5e4 [ 223.178114][ T6885] invoke_syscall+0x98/0x2b8 [ 223.178777][ T6885] el0_svc_common+0x138/0x258 [ 223.179409][ T6885] do_el0_svc+0x58/0x14c [ 223.180038][ T6885] el0_svc+0x78/0x1e0 [ 223.180585][ T6885] el0t_64_sync_handler+0xcc/0xe4 [ 223.181297][ T6885] el0t_64_sync+0x1a0/0x1a4 [ 223.182643][ T6885] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.184662][ T6885] gfs2: fsid=](_: error -17 adding sysfs files [ 223.316342][ T6888] loop1: detected capacity change from 0 to 32768 [ 223.357795][ T6888] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.359107][ T6888] CPU: 0 PID: 6888 Comm: syz.1.636 Not tainted syzkaller #0 [ 223.360125][ T6888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.361493][ T6888] Call trace: [ 223.361940][ T6888] dump_backtrace+0x0/0x43c [ 223.362571][ T6888] show_stack+0x2c/0x3c [ 223.363098][ T6888] __dump_stack+0x30/0x40 [ 223.363678][ T6888] dump_stack_lvl+0xf8/0x160 [ 223.364356][ T6888] dump_stack+0x1c/0x5c [ 223.364943][ T6888] sysfs_create_dir_ns+0x22c/0x24c [ 223.365646][ T6888] kobject_add_internal+0x590/0xc54 [ 223.366378][ T6888] kobject_init_and_add+0x118/0x17c [ 223.367140][ T6888] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.367834][ T6888] gfs2_fill_super+0xdac/0x19e0 [ 223.368496][ T6888] get_tree_bdev+0x358/0x544 [ 223.369138][ T6888] gfs2_get_tree+0x54/0x1b4 [ 223.369748][ T6888] vfs_get_tree+0x90/0x274 [ 223.370351][ T6888] do_new_mount+0x228/0x810 [ 223.370996][ T6888] path_mount+0x5b4/0x1000 [ 223.371609][ T6888] __arm64_sys_mount+0x514/0x5e4 [ 223.372344][ T6888] invoke_syscall+0x98/0x2b8 [ 223.373009][ T6888] el0_svc_common+0x138/0x258 [ 223.373648][ T6888] do_el0_svc+0x58/0x14c [ 223.374209][ T6888] el0_svc+0x78/0x1e0 [ 223.374803][ T6888] el0t_64_sync_handler+0xcc/0xe4 [ 223.375462][ T6888] el0t_64_sync+0x1a0/0x1a4 [ 223.376627][ T6888] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.378528][ T6888] gfs2: fsid=](_: error -17 adding sysfs files [ 223.511277][ T6891] loop1: detected capacity change from 0 to 32768 [ 223.544546][ T6891] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.545626][ T6891] CPU: 0 PID: 6891 Comm: syz.1.637 Not tainted syzkaller #0 [ 223.546620][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.547990][ T6891] Call trace: [ 223.548408][ T6891] dump_backtrace+0x0/0x43c [ 223.549031][ T6891] show_stack+0x2c/0x3c [ 223.549636][ T6891] __dump_stack+0x30/0x40 [ 223.550262][ T6891] dump_stack_lvl+0xf8/0x160 [ 223.550877][ T6891] dump_stack+0x1c/0x5c [ 223.551461][ T6891] sysfs_create_dir_ns+0x22c/0x24c [ 223.552191][ T6891] kobject_add_internal+0x590/0xc54 [ 223.552881][ T6891] kobject_init_and_add+0x118/0x17c [ 223.553597][ T6891] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.554238][ T6891] gfs2_fill_super+0xdac/0x19e0 [ 223.554958][ T6891] get_tree_bdev+0x358/0x544 [ 223.555619][ T6891] gfs2_get_tree+0x54/0x1b4 [ 223.556273][ T6891] vfs_get_tree+0x90/0x274 [ 223.556910][ T6891] do_new_mount+0x228/0x810 [ 223.557515][ T6891] path_mount+0x5b4/0x1000 [ 223.558135][ T6891] __arm64_sys_mount+0x514/0x5e4 [ 223.558866][ T6891] invoke_syscall+0x98/0x2b8 [ 223.559557][ T6891] el0_svc_common+0x138/0x258 [ 223.560215][ T6891] do_el0_svc+0x58/0x14c [ 223.560826][ T6891] el0_svc+0x78/0x1e0 [ 223.561392][ T6891] el0t_64_sync_handler+0xcc/0xe4 [ 223.562113][ T6891] el0t_64_sync+0x1a0/0x1a4 [ 223.564546][ T6891] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.566316][ T6891] gfs2: fsid=](_: error -17 adding sysfs files [ 223.727347][ T6894] loop1: detected capacity change from 0 to 32768 [ 223.774797][ T6894] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.775830][ T6894] CPU: 1 PID: 6894 Comm: syz.1.638 Not tainted syzkaller #0 [ 223.776925][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.778383][ T6894] Call trace: [ 223.778831][ T6894] dump_backtrace+0x0/0x43c [ 223.779486][ T6894] show_stack+0x2c/0x3c [ 223.780047][ T6894] __dump_stack+0x30/0x40 [ 223.780648][ T6894] dump_stack_lvl+0xf8/0x160 [ 223.781311][ T6894] dump_stack+0x1c/0x5c [ 223.781909][ T6894] sysfs_create_dir_ns+0x22c/0x24c [ 223.782590][ T6894] kobject_add_internal+0x590/0xc54 [ 223.783317][ T6894] kobject_init_and_add+0x118/0x17c [ 223.784062][ T6894] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.784721][ T6894] gfs2_fill_super+0xdac/0x19e0 [ 223.785424][ T6894] get_tree_bdev+0x358/0x544 [ 223.786084][ T6894] gfs2_get_tree+0x54/0x1b4 [ 223.786718][ T6894] vfs_get_tree+0x90/0x274 [ 223.787347][ T6894] do_new_mount+0x228/0x810 [ 223.787981][ T6894] path_mount+0x5b4/0x1000 [ 223.788585][ T6894] __arm64_sys_mount+0x514/0x5e4 [ 223.789352][ T6894] invoke_syscall+0x98/0x2b8 [ 223.790018][ T6894] el0_svc_common+0x138/0x258 [ 223.790684][ T6894] do_el0_svc+0x58/0x14c [ 223.791247][ T6894] el0_svc+0x78/0x1e0 [ 223.791793][ T6894] el0t_64_sync_handler+0xcc/0xe4 [ 223.792475][ T6894] el0t_64_sync+0x1a0/0x1a4 [ 223.793744][ T6894] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.795708][ T6894] gfs2: fsid=](_: error -17 adding sysfs files [ 223.974844][ T6897] loop1: detected capacity change from 0 to 32768 [ 223.982210][ T6897] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.983245][ T6897] CPU: 1 PID: 6897 Comm: syz.1.639 Not tainted syzkaller #0 [ 223.984394][ T6897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.985822][ T6897] Call trace: [ 223.986315][ T6897] dump_backtrace+0x0/0x43c [ 223.986987][ T6897] show_stack+0x2c/0x3c [ 223.987611][ T6897] __dump_stack+0x30/0x40 [ 223.988244][ T6897] dump_stack_lvl+0xf8/0x160 [ 223.988872][ T6897] dump_stack+0x1c/0x5c [ 223.989453][ T6897] sysfs_create_dir_ns+0x22c/0x24c [ 223.990202][ T6897] kobject_add_internal+0x590/0xc54 [ 223.990947][ T6897] kobject_init_and_add+0x118/0x17c [ 223.991667][ T6897] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.992323][ T6897] gfs2_fill_super+0xdac/0x19e0 [ 223.993027][ T6897] get_tree_bdev+0x358/0x544 [ 223.993717][ T6897] gfs2_get_tree+0x54/0x1b4 [ 223.994378][ T6897] vfs_get_tree+0x90/0x274 [ 223.995043][ T6897] do_new_mount+0x228/0x810 [ 223.995686][ T6897] path_mount+0x5b4/0x1000 [ 223.996283][ T6897] __arm64_sys_mount+0x514/0x5e4 [ 223.996982][ T6897] invoke_syscall+0x98/0x2b8 [ 223.997700][ T6897] el0_svc_common+0x138/0x258 [ 223.998399][ T6897] do_el0_svc+0x58/0x14c [ 223.998965][ T6897] el0_svc+0x78/0x1e0 [ 223.999578][ T6897] el0t_64_sync_handler+0xcc/0xe4 [ 224.000319][ T6897] el0t_64_sync+0x1a0/0x1a4 [ 224.002379][ T6897] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.004452][ T6897] gfs2: fsid=](_: error -17 adding sysfs files [ 224.130960][ T6900] loop1: detected capacity change from 0 to 32768 [ 224.173396][ T4655] Bluetooth: hci2: command 0x040f tx timeout [ 224.177747][ T6900] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.178953][ T6900] CPU: 1 PID: 6900 Comm: syz.1.640 Not tainted syzkaller #0 [ 224.179997][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.181409][ T6900] Call trace: [ 224.181830][ T6900] dump_backtrace+0x0/0x43c [ 224.182439][ T6900] show_stack+0x2c/0x3c [ 224.183021][ T6900] __dump_stack+0x30/0x40 [ 224.183673][ T6900] dump_stack_lvl+0xf8/0x160 [ 224.184397][ T6900] dump_stack+0x1c/0x5c [ 224.185066][ T6900] sysfs_create_dir_ns+0x22c/0x24c [ 224.185796][ T6900] kobject_add_internal+0x590/0xc54 [ 224.186527][ T6900] kobject_init_and_add+0x118/0x17c [ 224.187242][ T6900] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.187917][ T6900] gfs2_fill_super+0xdac/0x19e0 [ 224.188547][ T6900] get_tree_bdev+0x358/0x544 [ 224.189123][ T6900] gfs2_get_tree+0x54/0x1b4 [ 224.189718][ T6900] vfs_get_tree+0x90/0x274 [ 224.190300][ T6900] do_new_mount+0x228/0x810 [ 224.190953][ T6900] path_mount+0x5b4/0x1000 [ 224.191536][ T6900] __arm64_sys_mount+0x514/0x5e4 [ 224.192194][ T6900] invoke_syscall+0x98/0x2b8 [ 224.192830][ T6900] el0_svc_common+0x138/0x258 [ 224.193466][ T6900] do_el0_svc+0x58/0x14c [ 224.194079][ T6900] el0_svc+0x78/0x1e0 [ 224.194616][ T6900] el0t_64_sync_handler+0xcc/0xe4 [ 224.195317][ T6900] el0t_64_sync+0x1a0/0x1a4 [ 224.197348][ T6900] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.199213][ T6900] gfs2: fsid=](_: error -17 adding sysfs files [ 224.330950][ T6903] loop1: detected capacity change from 0 to 32768 [ 224.385829][ T6903] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.387010][ T6903] CPU: 0 PID: 6903 Comm: syz.1.641 Not tainted syzkaller #0 [ 224.388034][ T6903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.389410][ T6903] Call trace: [ 224.389834][ T6903] dump_backtrace+0x0/0x43c [ 224.390459][ T6903] show_stack+0x2c/0x3c [ 224.391017][ T6903] __dump_stack+0x30/0x40 [ 224.391618][ T6903] dump_stack_lvl+0xf8/0x160 [ 224.392239][ T6903] dump_stack+0x1c/0x5c [ 224.392817][ T6903] sysfs_create_dir_ns+0x22c/0x24c [ 224.393522][ T6903] kobject_add_internal+0x590/0xc54 [ 224.394305][ T6903] kobject_init_and_add+0x118/0x17c [ 224.395078][ T6903] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.395741][ T6903] gfs2_fill_super+0xdac/0x19e0 [ 224.396384][ T6903] get_tree_bdev+0x358/0x544 [ 224.397056][ T6903] gfs2_get_tree+0x54/0x1b4 [ 224.397703][ T6903] vfs_get_tree+0x90/0x274 [ 224.398327][ T6903] do_new_mount+0x228/0x810 [ 224.398976][ T6903] path_mount+0x5b4/0x1000 [ 224.399562][ T6903] __arm64_sys_mount+0x514/0x5e4 [ 224.400298][ T6903] invoke_syscall+0x98/0x2b8 [ 224.400957][ T6903] el0_svc_common+0x138/0x258 [ 224.401554][ T6903] do_el0_svc+0x58/0x14c [ 224.402180][ T6903] el0_svc+0x78/0x1e0 [ 224.402773][ T6903] el0t_64_sync_handler+0xcc/0xe4 [ 224.403444][ T6903] el0t_64_sync+0x1a0/0x1a4 [ 224.404577][ T6903] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.406260][ T6903] gfs2: fsid=](_: error -17 adding sysfs files [ 224.565923][ T6906] loop1: detected capacity change from 0 to 32768 [ 224.573068][ T6906] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.574695][ T6906] CPU: 1 PID: 6906 Comm: syz.1.642 Not tainted syzkaller #0 [ 224.575767][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.577249][ T6906] Call trace: [ 224.577743][ T6906] dump_backtrace+0x0/0x43c [ 224.578417][ T6906] show_stack+0x2c/0x3c [ 224.579019][ T6906] __dump_stack+0x30/0x40 [ 224.579644][ T6906] dump_stack_lvl+0xf8/0x160 [ 224.580305][ T6906] dump_stack+0x1c/0x5c [ 224.580890][ T6906] sysfs_create_dir_ns+0x22c/0x24c [ 224.581606][ T6906] kobject_add_internal+0x590/0xc54 [ 224.582422][ T6906] kobject_init_and_add+0x118/0x17c [ 224.583105][ T6906] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.583758][ T6906] gfs2_fill_super+0xdac/0x19e0 [ 224.584452][ T6906] get_tree_bdev+0x358/0x544 [ 224.585110][ T6906] gfs2_get_tree+0x54/0x1b4 [ 224.585720][ T6906] vfs_get_tree+0x90/0x274 [ 224.586376][ T6906] do_new_mount+0x228/0x810 [ 224.587029][ T6906] path_mount+0x5b4/0x1000 [ 224.587624][ T6906] __arm64_sys_mount+0x514/0x5e4 [ 224.588340][ T6906] invoke_syscall+0x98/0x2b8 [ 224.588991][ T6906] el0_svc_common+0x138/0x258 [ 224.589637][ T6906] do_el0_svc+0x58/0x14c [ 224.590217][ T6906] el0_svc+0x78/0x1e0 [ 224.590768][ T6906] el0t_64_sync_handler+0xcc/0xe4 [ 224.591507][ T6906] el0t_64_sync+0x1a0/0x1a4 [ 224.594392][ T6906] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.596455][ T6906] gfs2: fsid=](_: error -17 adding sysfs files [ 224.725239][ T6909] loop1: detected capacity change from 0 to 32768 [ 224.818455][ T6909] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.819557][ T6909] CPU: 0 PID: 6909 Comm: syz.1.643 Not tainted syzkaller #0 [ 224.820578][ T6909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.822027][ T6909] Call trace: [ 224.822479][ T6909] dump_backtrace+0x0/0x43c [ 224.823114][ T6909] show_stack+0x2c/0x3c [ 224.823723][ T6909] __dump_stack+0x30/0x40 [ 224.824381][ T6909] dump_stack_lvl+0xf8/0x160 [ 224.825052][ T6909] dump_stack+0x1c/0x5c [ 224.825649][ T6909] sysfs_create_dir_ns+0x22c/0x24c [ 224.826354][ T6909] kobject_add_internal+0x590/0xc54 [ 224.827118][ T6909] kobject_init_and_add+0x118/0x17c [ 224.827845][ T6909] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.828517][ T6909] gfs2_fill_super+0xdac/0x19e0 [ 224.829252][ T6909] get_tree_bdev+0x358/0x544 [ 224.829918][ T6909] gfs2_get_tree+0x54/0x1b4 [ 224.830627][ T6909] vfs_get_tree+0x90/0x274 [ 224.831319][ T6909] do_new_mount+0x228/0x810 [ 224.832013][ T6909] path_mount+0x5b4/0x1000 [ 224.832680][ T6909] __arm64_sys_mount+0x514/0x5e4 [ 224.833447][ T6909] invoke_syscall+0x98/0x2b8 [ 224.834307][ T6909] el0_svc_common+0x138/0x258 [ 224.835068][ T6909] do_el0_svc+0x58/0x14c [ 224.835705][ T6909] el0_svc+0x78/0x1e0 [ 224.836328][ T6909] el0t_64_sync_handler+0xcc/0xe4 [ 224.837079][ T6909] el0t_64_sync+0x1a0/0x1a4 [ 224.837792][ T6909] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.839646][ T6909] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:44 executed programs: 630 [ 224.971906][ T6912] loop1: detected capacity change from 0 to 32768 [ 224.979478][ T6912] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.980617][ T6912] CPU: 1 PID: 6912 Comm: syz.1.644 Not tainted syzkaller #0 [ 224.981626][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.982996][ T6912] Call trace: [ 224.983476][ T6912] dump_backtrace+0x0/0x43c [ 224.984054][ T6912] show_stack+0x2c/0x3c [ 224.984596][ T6912] __dump_stack+0x30/0x40 [ 224.985202][ T6912] dump_stack_lvl+0xf8/0x160 [ 224.985874][ T6912] dump_stack+0x1c/0x5c [ 224.986437][ T6912] sysfs_create_dir_ns+0x22c/0x24c [ 224.987120][ T6912] kobject_add_internal+0x590/0xc54 [ 224.987812][ T6912] kobject_init_and_add+0x118/0x17c [ 224.988499][ T6912] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.989119][ T6912] gfs2_fill_super+0xdac/0x19e0 [ 224.989741][ T6912] get_tree_bdev+0x358/0x544 [ 224.990338][ T6912] gfs2_get_tree+0x54/0x1b4 [ 224.990955][ T6912] vfs_get_tree+0x90/0x274 [ 224.991595][ T6912] do_new_mount+0x228/0x810 [ 224.992238][ T6912] path_mount+0x5b4/0x1000 [ 224.992847][ T6912] __arm64_sys_mount+0x514/0x5e4 [ 224.993493][ T6912] invoke_syscall+0x98/0x2b8 [ 224.994165][ T6912] el0_svc_common+0x138/0x258 [ 224.994956][ T6912] do_el0_svc+0x58/0x14c [ 224.995610][ T6912] el0_svc+0x78/0x1e0 [ 224.996171][ T6912] el0t_64_sync_handler+0xcc/0xe4 [ 224.996923][ T6912] el0t_64_sync+0x1a0/0x1a4 [ 224.999202][ T6912] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.001039][ T6912] gfs2: fsid=](_: error -17 adding sysfs files [ 225.130727][ T6915] loop1: detected capacity change from 0 to 32768 [ 225.174509][ T6915] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.175656][ T6915] CPU: 0 PID: 6915 Comm: syz.1.645 Not tainted syzkaller #0 [ 225.176721][ T6915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.178052][ T6915] Call trace: [ 225.178519][ T6915] dump_backtrace+0x0/0x43c [ 225.179168][ T6915] show_stack+0x2c/0x3c [ 225.179769][ T6915] __dump_stack+0x30/0x40 [ 225.180405][ T6915] dump_stack_lvl+0xf8/0x160 [ 225.181122][ T6915] dump_stack+0x1c/0x5c [ 225.181674][ T6915] sysfs_create_dir_ns+0x22c/0x24c [ 225.182397][ T6915] kobject_add_internal+0x590/0xc54 [ 225.183103][ T6915] kobject_init_and_add+0x118/0x17c [ 225.183865][ T6915] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.184589][ T6915] gfs2_fill_super+0xdac/0x19e0 [ 225.185247][ T6915] get_tree_bdev+0x358/0x544 [ 225.185907][ T6915] gfs2_get_tree+0x54/0x1b4 [ 225.186570][ T6915] vfs_get_tree+0x90/0x274 [ 225.187190][ T6915] do_new_mount+0x228/0x810 [ 225.187849][ T6915] path_mount+0x5b4/0x1000 [ 225.188466][ T6915] __arm64_sys_mount+0x514/0x5e4 [ 225.189193][ T6915] invoke_syscall+0x98/0x2b8 [ 225.189826][ T6915] el0_svc_common+0x138/0x258 [ 225.190502][ T6915] do_el0_svc+0x58/0x14c [ 225.191148][ T6915] el0_svc+0x78/0x1e0 [ 225.191701][ T6915] el0t_64_sync_handler+0xcc/0xe4 [ 225.192449][ T6915] el0t_64_sync+0x1a0/0x1a4 [ 225.194759][ T6915] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.196580][ T6915] gfs2: fsid=](_: error -17 adding sysfs files [ 225.326171][ T6918] loop1: detected capacity change from 0 to 32768 [ 225.356092][ T6918] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.357284][ T6918] CPU: 1 PID: 6918 Comm: syz.1.646 Not tainted syzkaller #0 [ 225.358314][ T6918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.359686][ T6918] Call trace: [ 225.360130][ T6918] dump_backtrace+0x0/0x43c [ 225.360749][ T6918] show_stack+0x2c/0x3c [ 225.361326][ T6918] __dump_stack+0x30/0x40 [ 225.361927][ T6918] dump_stack_lvl+0xf8/0x160 [ 225.362533][ T6918] dump_stack+0x1c/0x5c [ 225.363131][ T6918] sysfs_create_dir_ns+0x22c/0x24c [ 225.363855][ T6918] kobject_add_internal+0x590/0xc54 [ 225.364644][ T6918] kobject_init_and_add+0x118/0x17c [ 225.365385][ T6918] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.366047][ T6918] gfs2_fill_super+0xdac/0x19e0 [ 225.366731][ T6918] get_tree_bdev+0x358/0x544 [ 225.367354][ T6918] gfs2_get_tree+0x54/0x1b4 [ 225.367954][ T6918] vfs_get_tree+0x90/0x274 [ 225.368572][ T6918] do_new_mount+0x228/0x810 [ 225.369165][ T6918] path_mount+0x5b4/0x1000 [ 225.369780][ T6918] __arm64_sys_mount+0x514/0x5e4 [ 225.370452][ T6918] invoke_syscall+0x98/0x2b8 [ 225.371049][ T6918] el0_svc_common+0x138/0x258 [ 225.371678][ T6918] do_el0_svc+0x58/0x14c [ 225.372272][ T6918] el0_svc+0x78/0x1e0 [ 225.372841][ T6918] el0t_64_sync_handler+0xcc/0xe4 [ 225.373602][ T6918] el0t_64_sync+0x1a0/0x1a4 [ 225.375318][ T6918] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.377138][ T6918] gfs2: fsid=](_: error -17 adding sysfs files [ 225.510510][ T6921] loop1: detected capacity change from 0 to 32768 [ 225.588638][ T6921] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.589702][ T6921] CPU: 1 PID: 6921 Comm: syz.1.647 Not tainted syzkaller #0 [ 225.590780][ T6921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.592215][ T6921] Call trace: [ 225.592655][ T6921] dump_backtrace+0x0/0x43c [ 225.593289][ T6921] show_stack+0x2c/0x3c [ 225.593856][ T6921] __dump_stack+0x30/0x40 [ 225.594460][ T6921] dump_stack_lvl+0xf8/0x160 [ 225.595144][ T6921] dump_stack+0x1c/0x5c [ 225.595741][ T6921] sysfs_create_dir_ns+0x22c/0x24c [ 225.596474][ T6921] kobject_add_internal+0x590/0xc54 [ 225.597232][ T6921] kobject_init_and_add+0x118/0x17c [ 225.597962][ T6921] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.598628][ T6921] gfs2_fill_super+0xdac/0x19e0 [ 225.599289][ T6921] get_tree_bdev+0x358/0x544 [ 225.600004][ T6921] gfs2_get_tree+0x54/0x1b4 [ 225.600644][ T6921] vfs_get_tree+0x90/0x274 [ 225.601286][ T6921] do_new_mount+0x228/0x810 [ 225.601930][ T6921] path_mount+0x5b4/0x1000 [ 225.602553][ T6921] __arm64_sys_mount+0x514/0x5e4 [ 225.603221][ T6921] invoke_syscall+0x98/0x2b8 [ 225.603890][ T6921] el0_svc_common+0x138/0x258 [ 225.604499][ T6921] do_el0_svc+0x58/0x14c [ 225.605093][ T6921] el0_svc+0x78/0x1e0 [ 225.605662][ T6921] el0t_64_sync_handler+0xcc/0xe4 [ 225.606365][ T6921] el0t_64_sync+0x1a0/0x1a4 [ 225.608773][ T6921] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.610662][ T6921] gfs2: fsid=](_: error -17 adding sysfs files [ 225.743558][ T6924] loop1: detected capacity change from 0 to 32768 [ 225.750026][ T6924] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.751044][ T6924] CPU: 0 PID: 6924 Comm: syz.1.648 Not tainted syzkaller #0 [ 225.752035][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.753364][ T6924] Call trace: [ 225.753832][ T6924] dump_backtrace+0x0/0x43c [ 225.754478][ T6924] show_stack+0x2c/0x3c [ 225.755096][ T6924] __dump_stack+0x30/0x40 [ 225.755691][ T6924] dump_stack_lvl+0xf8/0x160 [ 225.756335][ T6924] dump_stack+0x1c/0x5c [ 225.756944][ T6924] sysfs_create_dir_ns+0x22c/0x24c [ 225.757681][ T6924] kobject_add_internal+0x590/0xc54 [ 225.758520][ T6924] kobject_init_and_add+0x118/0x17c [ 225.759276][ T6924] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.759962][ T6924] gfs2_fill_super+0xdac/0x19e0 [ 225.760647][ T6924] get_tree_bdev+0x358/0x544 [ 225.761289][ T6924] gfs2_get_tree+0x54/0x1b4 [ 225.761921][ T6924] vfs_get_tree+0x90/0x274 [ 225.762578][ T6924] do_new_mount+0x228/0x810 [ 225.763190][ T6924] path_mount+0x5b4/0x1000 [ 225.763835][ T6924] __arm64_sys_mount+0x514/0x5e4 [ 225.764498][ T6924] invoke_syscall+0x98/0x2b8 [ 225.765161][ T6924] el0_svc_common+0x138/0x258 [ 225.765791][ T6924] do_el0_svc+0x58/0x14c [ 225.766366][ T6924] el0_svc+0x78/0x1e0 [ 225.766907][ T6924] el0t_64_sync_handler+0xcc/0xe4 [ 225.767558][ T6924] el0t_64_sync+0x1a0/0x1a4 [ 225.768364][ T6924] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.770121][ T6924] gfs2: fsid=](_: error -17 adding sysfs files [ 225.902035][ T6927] loop1: detected capacity change from 0 to 32768 [ 225.939205][ T6927] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.940250][ T6927] CPU: 0 PID: 6927 Comm: syz.1.649 Not tainted syzkaller #0 [ 225.941303][ T6927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.942660][ T6927] Call trace: [ 225.943084][ T6927] dump_backtrace+0x0/0x43c [ 225.943657][ T6927] show_stack+0x2c/0x3c [ 225.944273][ T6927] __dump_stack+0x30/0x40 [ 225.944887][ T6927] dump_stack_lvl+0xf8/0x160 [ 225.945520][ T6927] dump_stack+0x1c/0x5c [ 225.946089][ T6927] sysfs_create_dir_ns+0x22c/0x24c [ 225.946861][ T6927] kobject_add_internal+0x590/0xc54 [ 225.947589][ T6927] kobject_init_and_add+0x118/0x17c [ 225.948282][ T6927] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.948969][ T6927] gfs2_fill_super+0xdac/0x19e0 [ 225.949739][ T6927] get_tree_bdev+0x358/0x544 [ 225.950378][ T6927] gfs2_get_tree+0x54/0x1b4 [ 225.950989][ T6927] vfs_get_tree+0x90/0x274 [ 225.951583][ T6927] do_new_mount+0x228/0x810 [ 225.952179][ T6927] path_mount+0x5b4/0x1000 [ 225.952786][ T6927] __arm64_sys_mount+0x514/0x5e4 [ 225.953453][ T6927] invoke_syscall+0x98/0x2b8 [ 225.954117][ T6927] el0_svc_common+0x138/0x258 [ 225.954817][ T6927] do_el0_svc+0x58/0x14c [ 225.955365][ T6927] el0_svc+0x78/0x1e0 [ 225.955858][ T6927] el0t_64_sync_handler+0xcc/0xe4 [ 225.956512][ T6927] el0t_64_sync+0x1a0/0x1a4 [ 225.957369][ T6927] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.959094][ T6927] gfs2: fsid=](_: error -17 adding sysfs files [ 226.086567][ T6930] loop1: detected capacity change from 0 to 32768 [ 226.159209][ T6930] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.160382][ T6930] CPU: 0 PID: 6930 Comm: syz.1.650 Not tainted syzkaller #0 [ 226.161484][ T6930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.162944][ T6930] Call trace: [ 226.163465][ T6930] dump_backtrace+0x0/0x43c [ 226.164122][ T6930] show_stack+0x2c/0x3c [ 226.164753][ T6930] __dump_stack+0x30/0x40 [ 226.165373][ T6930] dump_stack_lvl+0xf8/0x160 [ 226.166068][ T6930] dump_stack+0x1c/0x5c [ 226.166679][ T6930] sysfs_create_dir_ns+0x22c/0x24c [ 226.167430][ T6930] kobject_add_internal+0x590/0xc54 [ 226.168148][ T6930] kobject_init_and_add+0x118/0x17c [ 226.168847][ T6930] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.169522][ T6930] gfs2_fill_super+0xdac/0x19e0 [ 226.170301][ T6930] get_tree_bdev+0x358/0x544 [ 226.170906][ T6930] gfs2_get_tree+0x54/0x1b4 [ 226.171522][ T6930] vfs_get_tree+0x90/0x274 [ 226.172185][ T6930] do_new_mount+0x228/0x810 [ 226.172832][ T6930] path_mount+0x5b4/0x1000 [ 226.173480][ T6930] __arm64_sys_mount+0x514/0x5e4 [ 226.174209][ T6930] invoke_syscall+0x98/0x2b8 [ 226.174865][ T6930] el0_svc_common+0x138/0x258 [ 226.175565][ T6930] do_el0_svc+0x58/0x14c [ 226.176171][ T6930] el0_svc+0x78/0x1e0 [ 226.176725][ T6930] el0t_64_sync_handler+0xcc/0xe4 [ 226.177428][ T6930] el0t_64_sync+0x1a0/0x1a4 [ 226.178609][ T6930] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.180402][ T6930] gfs2: fsid=](_: error -17 adding sysfs files [ 226.253401][ T4657] Bluetooth: hci2: command 0x0419 tx timeout [ 226.358533][ T6933] loop1: detected capacity change from 0 to 32768 [ 226.414888][ T6933] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.417389][ T6933] CPU: 0 PID: 6933 Comm: syz.1.651 Not tainted syzkaller #0 [ 226.418417][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.419848][ T6933] Call trace: [ 226.420258][ T6933] dump_backtrace+0x0/0x43c [ 226.420990][ T6933] show_stack+0x2c/0x3c [ 226.421561][ T6933] __dump_stack+0x30/0x40 [ 226.422212][ T6933] dump_stack_lvl+0xf8/0x160 [ 226.422840][ T6933] dump_stack+0x1c/0x5c [ 226.423419][ T6933] sysfs_create_dir_ns+0x22c/0x24c [ 226.424126][ T6933] kobject_add_internal+0x590/0xc54 [ 226.424857][ T6933] kobject_init_and_add+0x118/0x17c [ 226.425518][ T6933] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.426202][ T6933] gfs2_fill_super+0xdac/0x19e0 [ 226.426848][ T6933] get_tree_bdev+0x358/0x544 [ 226.427497][ T6933] gfs2_get_tree+0x54/0x1b4 [ 226.428174][ T6933] vfs_get_tree+0x90/0x274 [ 226.428832][ T6933] do_new_mount+0x228/0x810 [ 226.429438][ T6933] path_mount+0x5b4/0x1000 [ 226.430054][ T6933] __arm64_sys_mount+0x514/0x5e4 [ 226.430729][ T6933] invoke_syscall+0x98/0x2b8 [ 226.431386][ T6933] el0_svc_common+0x138/0x258 [ 226.432005][ T6933] do_el0_svc+0x58/0x14c [ 226.432606][ T6933] el0_svc+0x78/0x1e0 [ 226.433188][ T6933] el0t_64_sync_handler+0xcc/0xe4 [ 226.433987][ T6933] el0t_64_sync+0x1a0/0x1a4 [ 226.435614][ T6933] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.437378][ T6933] gfs2: fsid=](_: error -17 adding sysfs files [ 226.566257][ T6936] loop1: detected capacity change from 0 to 32768 [ 226.604668][ T6936] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.605741][ T6936] CPU: 0 PID: 6936 Comm: syz.1.652 Not tainted syzkaller #0 [ 226.606714][ T6936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.608094][ T6936] Call trace: [ 226.608527][ T6936] dump_backtrace+0x0/0x43c [ 226.609247][ T6936] show_stack+0x2c/0x3c [ 226.609850][ T6936] __dump_stack+0x30/0x40 [ 226.610484][ T6936] dump_stack_lvl+0xf8/0x160 [ 226.611192][ T6936] dump_stack+0x1c/0x5c [ 226.611754][ T6936] sysfs_create_dir_ns+0x22c/0x24c [ 226.612528][ T6936] kobject_add_internal+0x590/0xc54 [ 226.613258][ T6936] kobject_init_and_add+0x118/0x17c [ 226.613987][ T6936] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.614674][ T6936] gfs2_fill_super+0xdac/0x19e0 [ 226.615423][ T6936] get_tree_bdev+0x358/0x544 [ 226.616074][ T6936] gfs2_get_tree+0x54/0x1b4 [ 226.616726][ T6936] vfs_get_tree+0x90/0x274 [ 226.617378][ T6936] do_new_mount+0x228/0x810 [ 226.618032][ T6936] path_mount+0x5b4/0x1000 [ 226.618653][ T6936] __arm64_sys_mount+0x514/0x5e4 [ 226.619346][ T6936] invoke_syscall+0x98/0x2b8 [ 226.619994][ T6936] el0_svc_common+0x138/0x258 [ 226.620607][ T6936] do_el0_svc+0x58/0x14c [ 226.621258][ T6936] el0_svc+0x78/0x1e0 [ 226.621822][ T6936] el0t_64_sync_handler+0xcc/0xe4 [ 226.622512][ T6936] el0t_64_sync+0x1a0/0x1a4 [ 226.623305][ T6936] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.625304][ T6936] gfs2: fsid=](_: error -17 adding sysfs files [ 226.774335][ T6939] loop1: detected capacity change from 0 to 32768 [ 226.814910][ T6939] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.816125][ T6939] CPU: 1 PID: 6939 Comm: syz.1.653 Not tainted syzkaller #0 [ 226.817290][ T6939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.818829][ T6939] Call trace: [ 226.819306][ T6939] dump_backtrace+0x0/0x43c [ 226.819900][ T6939] show_stack+0x2c/0x3c [ 226.820499][ T6939] __dump_stack+0x30/0x40 [ 226.821166][ T6939] dump_stack_lvl+0xf8/0x160 [ 226.821802][ T6939] dump_stack+0x1c/0x5c [ 226.822414][ T6939] sysfs_create_dir_ns+0x22c/0x24c [ 226.823124][ T6939] kobject_add_internal+0x590/0xc54 [ 226.823866][ T6939] kobject_init_and_add+0x118/0x17c [ 226.824637][ T6939] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.825334][ T6939] gfs2_fill_super+0xdac/0x19e0 [ 226.826033][ T6939] get_tree_bdev+0x358/0x544 [ 226.826702][ T6939] gfs2_get_tree+0x54/0x1b4 [ 226.827318][ T6939] vfs_get_tree+0x90/0x274 [ 226.827992][ T6939] do_new_mount+0x228/0x810 [ 226.828685][ T6939] path_mount+0x5b4/0x1000 [ 226.829332][ T6939] __arm64_sys_mount+0x514/0x5e4 [ 226.830143][ T6939] invoke_syscall+0x98/0x2b8 [ 226.830840][ T6939] el0_svc_common+0x138/0x258 [ 226.831494][ T6939] do_el0_svc+0x58/0x14c [ 226.832082][ T6939] el0_svc+0x78/0x1e0 [ 226.832641][ T6939] el0t_64_sync_handler+0xcc/0xe4 [ 226.833387][ T6939] el0t_64_sync+0x1a0/0x1a4 [ 226.835718][ T6939] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.837511][ T6939] gfs2: fsid=](_: error -17 adding sysfs files [ 226.966998][ T6942] loop1: detected capacity change from 0 to 32768 [ 227.073709][ T6942] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.074841][ T6942] CPU: 0 PID: 6942 Comm: syz.1.654 Not tainted syzkaller #0 [ 227.075904][ T6942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.077286][ T6942] Call trace: [ 227.077702][ T6942] dump_backtrace+0x0/0x43c [ 227.078345][ T6942] show_stack+0x2c/0x3c [ 227.078907][ T6942] __dump_stack+0x30/0x40 [ 227.079501][ T6942] dump_stack_lvl+0xf8/0x160 [ 227.080100][ T6942] dump_stack+0x1c/0x5c [ 227.080691][ T6942] sysfs_create_dir_ns+0x22c/0x24c [ 227.081384][ T6942] kobject_add_internal+0x590/0xc54 [ 227.082058][ T6942] kobject_init_and_add+0x118/0x17c [ 227.082760][ T6942] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.083409][ T6942] gfs2_fill_super+0xdac/0x19e0 [ 227.084057][ T6942] get_tree_bdev+0x358/0x544 [ 227.084658][ T6942] gfs2_get_tree+0x54/0x1b4 [ 227.085282][ T6942] vfs_get_tree+0x90/0x274 [ 227.085929][ T6942] do_new_mount+0x228/0x810 [ 227.086527][ T6942] path_mount+0x5b4/0x1000 [ 227.087192][ T6942] __arm64_sys_mount+0x514/0x5e4 [ 227.087909][ T6942] invoke_syscall+0x98/0x2b8 [ 227.088562][ T6942] el0_svc_common+0x138/0x258 [ 227.089199][ T6942] do_el0_svc+0x58/0x14c [ 227.089757][ T6942] el0_svc+0x78/0x1e0 [ 227.090344][ T6942] el0t_64_sync_handler+0xcc/0xe4 [ 227.091032][ T6942] el0t_64_sync+0x1a0/0x1a4 [ 227.092998][ T6942] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.095355][ T6942] gfs2: fsid=](_: error -17 adding sysfs files [ 227.226865][ T6945] loop1: detected capacity change from 0 to 32768 [ 227.234834][ T6945] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.235946][ T6945] CPU: 1 PID: 6945 Comm: syz.1.655 Not tainted syzkaller #0 [ 227.236989][ T6945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.238365][ T6945] Call trace: [ 227.238837][ T6945] dump_backtrace+0x0/0x43c [ 227.239555][ T6945] show_stack+0x2c/0x3c [ 227.240111][ T6945] __dump_stack+0x30/0x40 [ 227.240755][ T6945] dump_stack_lvl+0xf8/0x160 [ 227.241431][ T6945] dump_stack+0x1c/0x5c [ 227.242070][ T6945] sysfs_create_dir_ns+0x22c/0x24c [ 227.242767][ T6945] kobject_add_internal+0x590/0xc54 [ 227.243498][ T6945] kobject_init_and_add+0x118/0x17c [ 227.244271][ T6945] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.244933][ T6945] gfs2_fill_super+0xdac/0x19e0 [ 227.245649][ T6945] get_tree_bdev+0x358/0x544 [ 227.246305][ T6945] gfs2_get_tree+0x54/0x1b4 [ 227.246922][ T6945] vfs_get_tree+0x90/0x274 [ 227.247528][ T6945] do_new_mount+0x228/0x810 [ 227.248116][ T6945] path_mount+0x5b4/0x1000 [ 227.248728][ T6945] __arm64_sys_mount+0x514/0x5e4 [ 227.249438][ T6945] invoke_syscall+0x98/0x2b8 [ 227.250097][ T6945] el0_svc_common+0x138/0x258 [ 227.250767][ T6945] do_el0_svc+0x58/0x14c [ 227.251402][ T6945] el0_svc+0x78/0x1e0 [ 227.251958][ T6945] el0t_64_sync_handler+0xcc/0xe4 [ 227.252813][ T6945] el0t_64_sync+0x1a0/0x1a4 [ 227.255145][ T6945] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.256914][ T6945] gfs2: fsid=](_: error -17 adding sysfs files [ 227.383608][ T6948] loop1: detected capacity change from 0 to 32768 [ 227.438714][ T6948] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.439821][ T6948] CPU: 0 PID: 6948 Comm: syz.1.656 Not tainted syzkaller #0 [ 227.440832][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.442231][ T6948] Call trace: [ 227.442672][ T6948] dump_backtrace+0x0/0x43c [ 227.443285][ T6948] show_stack+0x2c/0x3c [ 227.443875][ T6948] __dump_stack+0x30/0x40 [ 227.444499][ T6948] dump_stack_lvl+0xf8/0x160 [ 227.445229][ T6948] dump_stack+0x1c/0x5c [ 227.445839][ T6948] sysfs_create_dir_ns+0x22c/0x24c [ 227.446567][ T6948] kobject_add_internal+0x590/0xc54 [ 227.447330][ T6948] kobject_init_and_add+0x118/0x17c [ 227.448087][ T6948] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.448765][ T6948] gfs2_fill_super+0xdac/0x19e0 [ 227.449474][ T6948] get_tree_bdev+0x358/0x544 [ 227.450133][ T6948] gfs2_get_tree+0x54/0x1b4 [ 227.450769][ T6948] vfs_get_tree+0x90/0x274 [ 227.451376][ T6948] do_new_mount+0x228/0x810 [ 227.451970][ T6948] path_mount+0x5b4/0x1000 [ 227.452545][ T6948] __arm64_sys_mount+0x514/0x5e4 [ 227.453230][ T6948] invoke_syscall+0x98/0x2b8 [ 227.453874][ T6948] el0_svc_common+0x138/0x258 [ 227.454482][ T6948] do_el0_svc+0x58/0x14c [ 227.455099][ T6948] el0_svc+0x78/0x1e0 [ 227.455703][ T6948] el0t_64_sync_handler+0xcc/0xe4 [ 227.456457][ T6948] el0t_64_sync+0x1a0/0x1a4 [ 227.457486][ T6948] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.459311][ T6948] gfs2: fsid=](_: error -17 adding sysfs files [ 227.643035][ T6951] loop1: detected capacity change from 0 to 32768 [ 227.674033][ T6951] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.675148][ T6951] CPU: 0 PID: 6951 Comm: syz.1.657 Not tainted syzkaller #0 [ 227.676257][ T6951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.677726][ T6951] Call trace: [ 227.678208][ T6951] dump_backtrace+0x0/0x43c [ 227.678839][ T6951] show_stack+0x2c/0x3c [ 227.679472][ T6951] __dump_stack+0x30/0x40 [ 227.680079][ T6951] dump_stack_lvl+0xf8/0x160 [ 227.680771][ T6951] dump_stack+0x1c/0x5c [ 227.681414][ T6951] sysfs_create_dir_ns+0x22c/0x24c [ 227.682156][ T6951] kobject_add_internal+0x590/0xc54 [ 227.682882][ T6951] kobject_init_and_add+0x118/0x17c [ 227.683565][ T6951] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.684223][ T6951] gfs2_fill_super+0xdac/0x19e0 [ 227.684902][ T6951] get_tree_bdev+0x358/0x544 [ 227.685574][ T6951] gfs2_get_tree+0x54/0x1b4 [ 227.686205][ T6951] vfs_get_tree+0x90/0x274 [ 227.686894][ T6951] do_new_mount+0x228/0x810 [ 227.687515][ T6951] path_mount+0x5b4/0x1000 [ 227.688134][ T6951] __arm64_sys_mount+0x514/0x5e4 [ 227.688842][ T6951] invoke_syscall+0x98/0x2b8 [ 227.689455][ T6951] el0_svc_common+0x138/0x258 [ 227.690157][ T6951] do_el0_svc+0x58/0x14c [ 227.690813][ T6951] el0_svc+0x78/0x1e0 [ 227.691395][ T6951] el0t_64_sync_handler+0xcc/0xe4 [ 227.692152][ T6951] el0t_64_sync+0x1a0/0x1a4 [ 227.694385][ T6951] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.696209][ T6951] gfs2: fsid=](_: error -17 adding sysfs files [ 227.827479][ T6954] loop1: detected capacity change from 0 to 32768 [ 227.867763][ T6954] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.868918][ T6954] CPU: 0 PID: 6954 Comm: syz.1.658 Not tainted syzkaller #0 [ 227.870165][ T6954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.871560][ T6954] Call trace: [ 227.872013][ T6954] dump_backtrace+0x0/0x43c [ 227.872653][ T6954] show_stack+0x2c/0x3c [ 227.873213][ T6954] __dump_stack+0x30/0x40 [ 227.873857][ T6954] dump_stack_lvl+0xf8/0x160 [ 227.874565][ T6954] dump_stack+0x1c/0x5c [ 227.875208][ T6954] sysfs_create_dir_ns+0x22c/0x24c [ 227.875970][ T6954] kobject_add_internal+0x590/0xc54 [ 227.876731][ T6954] kobject_init_and_add+0x118/0x17c [ 227.877469][ T6954] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.878146][ T6954] gfs2_fill_super+0xdac/0x19e0 [ 227.878857][ T6954] get_tree_bdev+0x358/0x544 [ 227.879471][ T6954] gfs2_get_tree+0x54/0x1b4 [ 227.880106][ T6954] vfs_get_tree+0x90/0x274 [ 227.880735][ T6954] do_new_mount+0x228/0x810 [ 227.881366][ T6954] path_mount+0x5b4/0x1000 [ 227.882074][ T6954] __arm64_sys_mount+0x514/0x5e4 [ 227.882813][ T6954] invoke_syscall+0x98/0x2b8 [ 227.883486][ T6954] el0_svc_common+0x138/0x258 [ 227.884139][ T6954] do_el0_svc+0x58/0x14c [ 227.884773][ T6954] el0_svc+0x78/0x1e0 [ 227.885366][ T6954] el0t_64_sync_handler+0xcc/0xe4 [ 227.886060][ T6954] el0t_64_sync+0x1a0/0x1a4 [ 227.887446][ T6954] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.889186][ T6954] gfs2: fsid=](_: error -17 adding sysfs files [ 228.022448][ T6957] loop1: detected capacity change from 0 to 32768 [ 228.030072][ T6957] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.031272][ T6957] CPU: 0 PID: 6957 Comm: syz.1.659 Not tainted syzkaller #0 [ 228.032345][ T6957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.033780][ T6957] Call trace: [ 228.034227][ T6957] dump_backtrace+0x0/0x43c [ 228.034871][ T6957] show_stack+0x2c/0x3c [ 228.035423][ T6957] __dump_stack+0x30/0x40 [ 228.036041][ T6957] dump_stack_lvl+0xf8/0x160 [ 228.036666][ T6957] dump_stack+0x1c/0x5c [ 228.037224][ T6957] sysfs_create_dir_ns+0x22c/0x24c [ 228.037927][ T6957] kobject_add_internal+0x590/0xc54 [ 228.038621][ T6957] kobject_init_and_add+0x118/0x17c [ 228.039299][ T6957] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.040030][ T6957] gfs2_fill_super+0xdac/0x19e0 [ 228.040727][ T6957] get_tree_bdev+0x358/0x544 [ 228.041400][ T6957] gfs2_get_tree+0x54/0x1b4 [ 228.041995][ T6957] vfs_get_tree+0x90/0x274 [ 228.042588][ T6957] do_new_mount+0x228/0x810 [ 228.043187][ T6957] path_mount+0x5b4/0x1000 [ 228.043810][ T6957] __arm64_sys_mount+0x514/0x5e4 [ 228.044482][ T6957] invoke_syscall+0x98/0x2b8 [ 228.045120][ T6957] el0_svc_common+0x138/0x258 [ 228.045754][ T6957] do_el0_svc+0x58/0x14c [ 228.046376][ T6957] el0_svc+0x78/0x1e0 [ 228.046931][ T6957] el0t_64_sync_handler+0xcc/0xe4 [ 228.047626][ T6957] el0t_64_sync+0x1a0/0x1a4 [ 228.050132][ T6957] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.051978][ T6957] gfs2: fsid=](_: error -17 adding sysfs files [ 228.183031][ T6960] loop1: detected capacity change from 0 to 32768 [ 228.218934][ T6960] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.220008][ T6960] CPU: 1 PID: 6960 Comm: syz.1.660 Not tainted syzkaller #0 [ 228.221034][ T6960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.222406][ T6960] Call trace: [ 228.222874][ T6960] dump_backtrace+0x0/0x43c [ 228.223499][ T6960] show_stack+0x2c/0x3c [ 228.224041][ T6960] __dump_stack+0x30/0x40 [ 228.224657][ T6960] dump_stack_lvl+0xf8/0x160 [ 228.225359][ T6960] dump_stack+0x1c/0x5c [ 228.225996][ T6960] sysfs_create_dir_ns+0x22c/0x24c [ 228.226748][ T6960] kobject_add_internal+0x590/0xc54 [ 228.227566][ T6960] kobject_init_and_add+0x118/0x17c [ 228.228280][ T6960] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.228902][ T6960] gfs2_fill_super+0xdac/0x19e0 [ 228.229565][ T6960] get_tree_bdev+0x358/0x544 [ 228.230260][ T6960] gfs2_get_tree+0x54/0x1b4 [ 228.230871][ T6960] vfs_get_tree+0x90/0x274 [ 228.231488][ T6960] do_new_mount+0x228/0x810 [ 228.232149][ T6960] path_mount+0x5b4/0x1000 [ 228.232737][ T6960] __arm64_sys_mount+0x514/0x5e4 [ 228.233428][ T6960] invoke_syscall+0x98/0x2b8 [ 228.234097][ T6960] el0_svc_common+0x138/0x258 [ 228.234782][ T6960] do_el0_svc+0x58/0x14c [ 228.235330][ T6960] el0_svc+0x78/0x1e0 [ 228.235921][ T6960] el0t_64_sync_handler+0xcc/0xe4 [ 228.236629][ T6960] el0t_64_sync+0x1a0/0x1a4 [ 228.237779][ T6960] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.239562][ T6960] gfs2: fsid=](_: error -17 adding sysfs files [ 228.418894][ T6963] loop1: detected capacity change from 0 to 32768 [ 228.445774][ T6963] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.446950][ T6963] CPU: 1 PID: 6963 Comm: syz.1.661 Not tainted syzkaller #0 [ 228.447921][ T6963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.449347][ T6963] Call trace: [ 228.449754][ T6963] dump_backtrace+0x0/0x43c [ 228.450420][ T6963] show_stack+0x2c/0x3c [ 228.451016][ T6963] __dump_stack+0x30/0x40 [ 228.451621][ T6963] dump_stack_lvl+0xf8/0x160 [ 228.452310][ T6963] dump_stack+0x1c/0x5c [ 228.452912][ T6963] sysfs_create_dir_ns+0x22c/0x24c [ 228.453596][ T6963] kobject_add_internal+0x590/0xc54 [ 228.454310][ T6963] kobject_init_and_add+0x118/0x17c [ 228.455034][ T6963] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.455715][ T6963] gfs2_fill_super+0xdac/0x19e0 [ 228.456373][ T6963] get_tree_bdev+0x358/0x544 [ 228.457023][ T6963] gfs2_get_tree+0x54/0x1b4 [ 228.457632][ T6963] vfs_get_tree+0x90/0x274 [ 228.458274][ T6963] do_new_mount+0x228/0x810 [ 228.458944][ T6963] path_mount+0x5b4/0x1000 [ 228.459553][ T6963] __arm64_sys_mount+0x514/0x5e4 [ 228.460266][ T6963] invoke_syscall+0x98/0x2b8 [ 228.460973][ T6963] el0_svc_common+0x138/0x258 [ 228.461638][ T6963] do_el0_svc+0x58/0x14c [ 228.462232][ T6963] el0_svc+0x78/0x1e0 [ 228.462782][ T6963] el0t_64_sync_handler+0xcc/0xe4 [ 228.463511][ T6963] el0t_64_sync+0x1a0/0x1a4 [ 228.465581][ T6963] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.467385][ T6963] gfs2: fsid=](_: error -17 adding sysfs files [ 228.605801][ T6966] loop1: detected capacity change from 0 to 32768 [ 228.660124][ T6966] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.661258][ T6966] CPU: 1 PID: 6966 Comm: syz.1.662 Not tainted syzkaller #0 [ 228.662351][ T6966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.663696][ T6966] Call trace: [ 228.664189][ T6966] dump_backtrace+0x0/0x43c [ 228.664836][ T6966] show_stack+0x2c/0x3c [ 228.665396][ T6966] __dump_stack+0x30/0x40 [ 228.666015][ T6966] dump_stack_lvl+0xf8/0x160 [ 228.666662][ T6966] dump_stack+0x1c/0x5c [ 228.667247][ T6966] sysfs_create_dir_ns+0x22c/0x24c [ 228.667933][ T6966] kobject_add_internal+0x590/0xc54 [ 228.668716][ T6966] kobject_init_and_add+0x118/0x17c [ 228.669472][ T6966] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.670109][ T6966] gfs2_fill_super+0xdac/0x19e0 [ 228.670794][ T6966] get_tree_bdev+0x358/0x544 [ 228.671404][ T6966] gfs2_get_tree+0x54/0x1b4 [ 228.672068][ T6966] vfs_get_tree+0x90/0x274 [ 228.672723][ T6966] do_new_mount+0x228/0x810 [ 228.673322][ T6966] path_mount+0x5b4/0x1000 [ 228.673938][ T6966] __arm64_sys_mount+0x514/0x5e4 [ 228.674638][ T6966] invoke_syscall+0x98/0x2b8 [ 228.675287][ T6966] el0_svc_common+0x138/0x258 [ 228.676010][ T6966] do_el0_svc+0x58/0x14c [ 228.676597][ T6966] el0_svc+0x78/0x1e0 [ 228.677173][ T6966] el0t_64_sync_handler+0xcc/0xe4 [ 228.677902][ T6966] el0t_64_sync+0x1a0/0x1a4 [ 228.680029][ T6966] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.682001][ T6966] gfs2: fsid=](_: error -17 adding sysfs files [ 228.811805][ T6969] loop1: detected capacity change from 0 to 32768 [ 228.858774][ T6969] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.859939][ T6969] CPU: 0 PID: 6969 Comm: syz.1.663 Not tainted syzkaller #0 [ 228.860995][ T6969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.862337][ T6969] Call trace: [ 228.862740][ T6969] dump_backtrace+0x0/0x43c [ 228.863335][ T6969] show_stack+0x2c/0x3c [ 228.863999][ T6969] __dump_stack+0x30/0x40 [ 228.864622][ T6969] dump_stack_lvl+0xf8/0x160 [ 228.865278][ T6969] dump_stack+0x1c/0x5c [ 228.865890][ T6969] sysfs_create_dir_ns+0x22c/0x24c [ 228.866644][ T6969] kobject_add_internal+0x590/0xc54 [ 228.867320][ T6969] kobject_init_and_add+0x118/0x17c [ 228.868070][ T6969] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.868713][ T6969] gfs2_fill_super+0xdac/0x19e0 [ 228.869341][ T6969] get_tree_bdev+0x358/0x544 [ 228.869998][ T6969] gfs2_get_tree+0x54/0x1b4 [ 228.870610][ T6969] vfs_get_tree+0x90/0x274 [ 228.871152][ T6969] do_new_mount+0x228/0x810 [ 228.871771][ T6969] path_mount+0x5b4/0x1000 [ 228.872393][ T6969] __arm64_sys_mount+0x514/0x5e4 [ 228.873077][ T6969] invoke_syscall+0x98/0x2b8 [ 228.873751][ T6969] el0_svc_common+0x138/0x258 [ 228.874418][ T6969] do_el0_svc+0x58/0x14c [ 228.874990][ T6969] el0_svc+0x78/0x1e0 [ 228.875521][ T6969] el0t_64_sync_handler+0xcc/0xe4 [ 228.876170][ T6969] el0t_64_sync+0x1a0/0x1a4 [ 228.877038][ T6969] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.879323][ T6969] gfs2: fsid=](_: error -17 adding sysfs files [ 229.009905][ T6972] loop1: detected capacity change from 0 to 32768 [ 229.017938][ T6972] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.019020][ T6972] CPU: 0 PID: 6972 Comm: syz.1.664 Not tainted syzkaller #0 [ 229.020053][ T6972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.021351][ T6972] Call trace: [ 229.021827][ T6972] dump_backtrace+0x0/0x43c [ 229.022471][ T6972] show_stack+0x2c/0x3c [ 229.023058][ T6972] __dump_stack+0x30/0x40 [ 229.023661][ T6972] dump_stack_lvl+0xf8/0x160 [ 229.024296][ T6972] dump_stack+0x1c/0x5c [ 229.024890][ T6972] sysfs_create_dir_ns+0x22c/0x24c [ 229.025648][ T6972] kobject_add_internal+0x590/0xc54 [ 229.026381][ T6972] kobject_init_and_add+0x118/0x17c [ 229.027137][ T6972] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.027850][ T6972] gfs2_fill_super+0xdac/0x19e0 [ 229.028526][ T6972] get_tree_bdev+0x358/0x544 [ 229.029193][ T6972] gfs2_get_tree+0x54/0x1b4 [ 229.029783][ T6972] vfs_get_tree+0x90/0x274 [ 229.030417][ T6972] do_new_mount+0x228/0x810 [ 229.031088][ T6972] path_mount+0x5b4/0x1000 [ 229.031760][ T6972] __arm64_sys_mount+0x514/0x5e4 [ 229.032457][ T6972] invoke_syscall+0x98/0x2b8 [ 229.033086][ T6972] el0_svc_common+0x138/0x258 [ 229.033714][ T6972] do_el0_svc+0x58/0x14c [ 229.034324][ T6972] el0_svc+0x78/0x1e0 [ 229.034842][ T6972] el0t_64_sync_handler+0xcc/0xe4 [ 229.035500][ T6972] el0t_64_sync+0x1a0/0x1a4 [ 229.039113][ T6972] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.040810][ T6972] gfs2: fsid=](_: error -17 adding sysfs files [ 229.171932][ T6975] loop1: detected capacity change from 0 to 32768 [ 229.179401][ T6975] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.180431][ T6975] CPU: 1 PID: 6975 Comm: syz.1.665 Not tainted syzkaller #0 [ 229.181444][ T6975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.182786][ T6975] Call trace: [ 229.183271][ T6975] dump_backtrace+0x0/0x43c [ 229.183881][ T6975] show_stack+0x2c/0x3c [ 229.184454][ T6975] __dump_stack+0x30/0x40 [ 229.185083][ T6975] dump_stack_lvl+0xf8/0x160 [ 229.185736][ T6975] dump_stack+0x1c/0x5c [ 229.186352][ T6975] sysfs_create_dir_ns+0x22c/0x24c [ 229.187028][ T6975] kobject_add_internal+0x590/0xc54 [ 229.187773][ T6975] kobject_init_and_add+0x118/0x17c [ 229.188584][ T6975] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.189252][ T6975] gfs2_fill_super+0xdac/0x19e0 [ 229.189940][ T6975] get_tree_bdev+0x358/0x544 [ 229.190517][ T6975] gfs2_get_tree+0x54/0x1b4 [ 229.191126][ T6975] vfs_get_tree+0x90/0x274 [ 229.191778][ T6975] do_new_mount+0x228/0x810 [ 229.192410][ T6975] path_mount+0x5b4/0x1000 [ 229.192981][ T6975] __arm64_sys_mount+0x514/0x5e4 [ 229.193692][ T6975] invoke_syscall+0x98/0x2b8 [ 229.194375][ T6975] el0_svc_common+0x138/0x258 [ 229.194998][ T6975] do_el0_svc+0x58/0x14c [ 229.195552][ T6975] el0_svc+0x78/0x1e0 [ 229.196113][ T6975] el0t_64_sync_handler+0xcc/0xe4 [ 229.196814][ T6975] el0t_64_sync+0x1a0/0x1a4 [ 229.199405][ T6975] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.201290][ T6975] gfs2: fsid=](_: error -17 adding sysfs files [ 229.331763][ T6978] loop1: detected capacity change from 0 to 32768 [ 229.375242][ T6978] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.376485][ T6978] CPU: 0 PID: 6978 Comm: syz.1.666 Not tainted syzkaller #0 [ 229.377517][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.378927][ T6978] Call trace: [ 229.379339][ T6978] dump_backtrace+0x0/0x43c [ 229.380004][ T6978] show_stack+0x2c/0x3c [ 229.380587][ T6978] __dump_stack+0x30/0x40 [ 229.381156][ T6978] dump_stack_lvl+0xf8/0x160 [ 229.381869][ T6978] dump_stack+0x1c/0x5c [ 229.382467][ T6978] sysfs_create_dir_ns+0x22c/0x24c [ 229.383196][ T6978] kobject_add_internal+0x590/0xc54 [ 229.383934][ T6978] kobject_init_and_add+0x118/0x17c [ 229.384653][ T6978] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.385330][ T6978] gfs2_fill_super+0xdac/0x19e0 [ 229.385975][ T6978] get_tree_bdev+0x358/0x544 [ 229.386598][ T6978] gfs2_get_tree+0x54/0x1b4 [ 229.387268][ T6978] vfs_get_tree+0x90/0x274 [ 229.387933][ T6978] do_new_mount+0x228/0x810 [ 229.388609][ T6978] path_mount+0x5b4/0x1000 [ 229.389221][ T6978] __arm64_sys_mount+0x514/0x5e4 [ 229.389945][ T6978] invoke_syscall+0x98/0x2b8 [ 229.390637][ T6978] el0_svc_common+0x138/0x258 [ 229.391310][ T6978] do_el0_svc+0x58/0x14c [ 229.391907][ T6978] el0_svc+0x78/0x1e0 [ 229.392484][ T6978] el0t_64_sync_handler+0xcc/0xe4 [ 229.393219][ T6978] el0t_64_sync+0x1a0/0x1a4 [ 229.396221][ T6978] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.397902][ T6978] gfs2: fsid=](_: error -17 adding sysfs files [ 229.528356][ T6981] loop1: detected capacity change from 0 to 32768 [ 229.536075][ T6981] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.537409][ T6981] CPU: 0 PID: 6981 Comm: syz.1.667 Not tainted syzkaller #0 [ 229.538403][ T6981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.539794][ T6981] Call trace: [ 229.540245][ T6981] dump_backtrace+0x0/0x43c [ 229.540928][ T6981] show_stack+0x2c/0x3c [ 229.541557][ T6981] __dump_stack+0x30/0x40 [ 229.542162][ T6981] dump_stack_lvl+0xf8/0x160 [ 229.542759][ T6981] dump_stack+0x1c/0x5c [ 229.543302][ T6981] sysfs_create_dir_ns+0x22c/0x24c [ 229.543985][ T6981] kobject_add_internal+0x590/0xc54 [ 229.544920][ T6981] kobject_init_and_add+0x118/0x17c [ 229.545763][ T6981] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.546544][ T6981] gfs2_fill_super+0xdac/0x19e0 [ 229.547251][ T6981] get_tree_bdev+0x358/0x544 [ 229.547924][ T6981] gfs2_get_tree+0x54/0x1b4 [ 229.548556][ T6981] vfs_get_tree+0x90/0x274 [ 229.549215][ T6981] do_new_mount+0x228/0x810 [ 229.549860][ T6981] path_mount+0x5b4/0x1000 [ 229.550528][ T6981] __arm64_sys_mount+0x514/0x5e4 [ 229.551232][ T6981] invoke_syscall+0x98/0x2b8 [ 229.551837][ T6981] el0_svc_common+0x138/0x258 [ 229.552467][ T6981] do_el0_svc+0x58/0x14c [ 229.553078][ T6981] el0_svc+0x78/0x1e0 [ 229.553668][ T6981] el0t_64_sync_handler+0xcc/0xe4 [ 229.554374][ T6981] el0t_64_sync+0x1a0/0x1a4 [ 229.556418][ T6981] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.558245][ T6981] gfs2: fsid=](_: error -17 adding sysfs files [ 229.710838][ T6984] loop1: detected capacity change from 0 to 32768 [ 229.754829][ T6984] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.755889][ T6984] CPU: 0 PID: 6984 Comm: syz.1.668 Not tainted syzkaller #0 [ 229.756931][ T6984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.758396][ T6984] Call trace: [ 229.758900][ T6984] dump_backtrace+0x0/0x43c [ 229.759542][ T6984] show_stack+0x2c/0x3c [ 229.760135][ T6984] __dump_stack+0x30/0x40 [ 229.760693][ T6984] dump_stack_lvl+0xf8/0x160 [ 229.761383][ T6984] dump_stack+0x1c/0x5c [ 229.761991][ T6984] sysfs_create_dir_ns+0x22c/0x24c [ 229.762700][ T6984] kobject_add_internal+0x590/0xc54 [ 229.763414][ T6984] kobject_init_and_add+0x118/0x17c [ 229.764198][ T6984] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.764871][ T6984] gfs2_fill_super+0xdac/0x19e0 [ 229.765552][ T6984] get_tree_bdev+0x358/0x544 [ 229.766193][ T6984] gfs2_get_tree+0x54/0x1b4 [ 229.766853][ T6984] vfs_get_tree+0x90/0x274 [ 229.767477][ T6984] do_new_mount+0x228/0x810 [ 229.768129][ T6984] path_mount+0x5b4/0x1000 [ 229.768739][ T6984] __arm64_sys_mount+0x514/0x5e4 [ 229.769461][ T6984] invoke_syscall+0x98/0x2b8 [ 229.770125][ T6984] el0_svc_common+0x138/0x258 [ 229.770800][ T6984] do_el0_svc+0x58/0x14c [ 229.771368][ T6984] el0_svc+0x78/0x1e0 [ 229.771899][ T6984] el0t_64_sync_handler+0xcc/0xe4 [ 229.772631][ T6984] el0t_64_sync+0x1a0/0x1a4 [ 229.774733][ T6984] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.776525][ T6984] gfs2: fsid=](_: error -17 adding sysfs files [ 229.948808][ T6987] loop1: detected capacity change from 0 to 32768 [ 229.984539][ T6987] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.985742][ T6987] CPU: 1 PID: 6987 Comm: syz.1.669 Not tainted syzkaller #0 [ 229.986779][ T6987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.988131][ T6987] Call trace: [ 229.988577][ T6987] dump_backtrace+0x0/0x43c [ 229.989197][ T6987] show_stack+0x2c/0x3c [ 229.989780][ T6987] __dump_stack+0x30/0x40 [ 229.990348][ T6987] dump_stack_lvl+0xf8/0x160 [ 229.991006][ T6987] dump_stack+0x1c/0x5c [ 229.991545][ T6987] sysfs_create_dir_ns+0x22c/0x24c [ 229.992241][ T6987] kobject_add_internal+0x590/0xc54 [ 229.992980][ T6987] kobject_init_and_add+0x118/0x17c [ 229.993705][ T6987] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.994399][ T6987] gfs2_fill_super+0xdac/0x19e0 [ 229.995081][ T6987] get_tree_bdev+0x358/0x544 [ 229.995729][ T6987] gfs2_get_tree+0x54/0x1b4 [ 229.996338][ T6987] vfs_get_tree+0x90/0x274 [ 229.996956][ T6987] do_new_mount+0x228/0x810 [ 229.997568][ T6987] path_mount+0x5b4/0x1000 [ 229.998292][ T6987] __arm64_sys_mount+0x514/0x5e4 [ 229.999019][ T6987] invoke_syscall+0x98/0x2b8 [ 229.999620][ T6987] el0_svc_common+0x138/0x258 [ 230.000239][ T6987] do_el0_svc+0x58/0x14c [ 230.000854][ T6987] el0_svc+0x78/0x1e0 [ 230.001420][ T6987] el0t_64_sync_handler+0xcc/0xe4 [ 230.002152][ T6987] el0t_64_sync+0x1a0/0x1a4 [ 230.002920][ T6987] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.004925][ T6987] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 656 [ 230.150850][ T6990] loop1: detected capacity change from 0 to 32768 [ 230.194768][ T6990] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.195893][ T6990] CPU: 0 PID: 6990 Comm: syz.1.670 Not tainted syzkaller #0 [ 230.196972][ T6990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.198290][ T6990] Call trace: [ 230.198733][ T6990] dump_backtrace+0x0/0x43c [ 230.199353][ T6990] show_stack+0x2c/0x3c [ 230.199910][ T6990] __dump_stack+0x30/0x40 [ 230.200556][ T6990] dump_stack_lvl+0xf8/0x160 [ 230.201240][ T6990] dump_stack+0x1c/0x5c [ 230.201804][ T6990] sysfs_create_dir_ns+0x22c/0x24c [ 230.202487][ T6990] kobject_add_internal+0x590/0xc54 [ 230.203160][ T6990] kobject_init_and_add+0x118/0x17c [ 230.203909][ T6990] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.204592][ T6990] gfs2_fill_super+0xdac/0x19e0 [ 230.205303][ T6990] get_tree_bdev+0x358/0x544 [ 230.205989][ T6990] gfs2_get_tree+0x54/0x1b4 [ 230.206620][ T6990] vfs_get_tree+0x90/0x274 [ 230.207220][ T6990] do_new_mount+0x228/0x810 [ 230.207850][ T6990] path_mount+0x5b4/0x1000 [ 230.208507][ T6990] __arm64_sys_mount+0x514/0x5e4 [ 230.209188][ T6990] invoke_syscall+0x98/0x2b8 [ 230.209872][ T6990] el0_svc_common+0x138/0x258 [ 230.210573][ T6990] do_el0_svc+0x58/0x14c [ 230.211208][ T6990] el0_svc+0x78/0x1e0 [ 230.211781][ T6990] el0t_64_sync_handler+0xcc/0xe4 [ 230.212483][ T6990] el0t_64_sync+0x1a0/0x1a4 [ 230.215219][ T6990] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.216996][ T6990] gfs2: fsid=](_: error -17 adding sysfs files [ 230.352534][ T6993] loop1: detected capacity change from 0 to 32768 [ 230.408840][ T6993] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.409866][ T6993] CPU: 0 PID: 6993 Comm: syz.1.671 Not tainted syzkaller #0 [ 230.410948][ T6993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.412467][ T6993] Call trace: [ 230.412937][ T6993] dump_backtrace+0x0/0x43c [ 230.413642][ T6993] show_stack+0x2c/0x3c [ 230.414221][ T6993] __dump_stack+0x30/0x40 [ 230.414892][ T6993] dump_stack_lvl+0xf8/0x160 [ 230.415624][ T6993] dump_stack+0x1c/0x5c [ 230.416224][ T6993] sysfs_create_dir_ns+0x22c/0x24c [ 230.416937][ T6993] kobject_add_internal+0x590/0xc54 [ 230.417726][ T6993] kobject_init_and_add+0x118/0x17c [ 230.418517][ T6993] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.419207][ T6993] gfs2_fill_super+0xdac/0x19e0 [ 230.419902][ T6993] get_tree_bdev+0x358/0x544 [ 230.420545][ T6993] gfs2_get_tree+0x54/0x1b4 [ 230.421238][ T6993] vfs_get_tree+0x90/0x274 [ 230.421875][ T6993] do_new_mount+0x228/0x810 [ 230.422495][ T6993] path_mount+0x5b4/0x1000 [ 230.423110][ T6993] __arm64_sys_mount+0x514/0x5e4 [ 230.423841][ T6993] invoke_syscall+0x98/0x2b8 [ 230.424489][ T6993] el0_svc_common+0x138/0x258 [ 230.425170][ T6993] do_el0_svc+0x58/0x14c [ 230.425740][ T6993] el0_svc+0x78/0x1e0 [ 230.426301][ T6993] el0t_64_sync_handler+0xcc/0xe4 [ 230.426981][ T6993] el0t_64_sync+0x1a0/0x1a4 [ 230.428270][ T6993] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.430168][ T6993] gfs2: fsid=](_: error -17 adding sysfs files [ 230.563924][ T6996] loop1: detected capacity change from 0 to 32768 [ 230.571082][ T6996] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.572181][ T6996] CPU: 1 PID: 6996 Comm: syz.1.672 Not tainted syzkaller #0 [ 230.573256][ T6996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.574744][ T6996] Call trace: [ 230.575172][ T6996] dump_backtrace+0x0/0x43c [ 230.575843][ T6996] show_stack+0x2c/0x3c [ 230.576419][ T6996] __dump_stack+0x30/0x40 [ 230.576989][ T6996] dump_stack_lvl+0xf8/0x160 [ 230.577646][ T6996] dump_stack+0x1c/0x5c [ 230.578198][ T6996] sysfs_create_dir_ns+0x22c/0x24c [ 230.578905][ T6996] kobject_add_internal+0x590/0xc54 [ 230.579715][ T6996] kobject_init_and_add+0x118/0x17c [ 230.580544][ T6996] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.581253][ T6996] gfs2_fill_super+0xdac/0x19e0 [ 230.581976][ T6996] get_tree_bdev+0x358/0x544 [ 230.582654][ T6996] gfs2_get_tree+0x54/0x1b4 [ 230.583304][ T6996] vfs_get_tree+0x90/0x274 [ 230.583910][ T6996] do_new_mount+0x228/0x810 [ 230.584569][ T6996] path_mount+0x5b4/0x1000 [ 230.585180][ T6996] __arm64_sys_mount+0x514/0x5e4 [ 230.585918][ T6996] invoke_syscall+0x98/0x2b8 [ 230.586614][ T6996] el0_svc_common+0x138/0x258 [ 230.587274][ T6996] do_el0_svc+0x58/0x14c [ 230.587881][ T6996] el0_svc+0x78/0x1e0 [ 230.588504][ T6996] el0t_64_sync_handler+0xcc/0xe4 [ 230.589223][ T6996] el0t_64_sync+0x1a0/0x1a4 [ 230.591494][ T6996] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.593353][ T6996] gfs2: fsid=](_: error -17 adding sysfs files [ 230.722322][ T6999] loop1: detected capacity change from 0 to 32768 [ 230.774528][ T6999] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.775654][ T6999] CPU: 0 PID: 6999 Comm: syz.1.673 Not tainted syzkaller #0 [ 230.776817][ T6999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.778187][ T6999] Call trace: [ 230.778695][ T6999] dump_backtrace+0x0/0x43c [ 230.779299][ T6999] show_stack+0x2c/0x3c [ 230.779893][ T6999] __dump_stack+0x30/0x40 [ 230.780448][ T6999] dump_stack_lvl+0xf8/0x160 [ 230.781149][ T6999] dump_stack+0x1c/0x5c [ 230.781709][ T6999] sysfs_create_dir_ns+0x22c/0x24c [ 230.782420][ T6999] kobject_add_internal+0x590/0xc54 [ 230.783205][ T6999] kobject_init_and_add+0x118/0x17c [ 230.783953][ T6999] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.784670][ T6999] gfs2_fill_super+0xdac/0x19e0 [ 230.785414][ T6999] get_tree_bdev+0x358/0x544 [ 230.786079][ T6999] gfs2_get_tree+0x54/0x1b4 [ 230.786724][ T6999] vfs_get_tree+0x90/0x274 [ 230.787352][ T6999] do_new_mount+0x228/0x810 [ 230.788010][ T6999] path_mount+0x5b4/0x1000 [ 230.788627][ T6999] __arm64_sys_mount+0x514/0x5e4 [ 230.789360][ T6999] invoke_syscall+0x98/0x2b8 [ 230.790011][ T6999] el0_svc_common+0x138/0x258 [ 230.790683][ T6999] do_el0_svc+0x58/0x14c [ 230.791298][ T6999] el0_svc+0x78/0x1e0 [ 230.791844][ T6999] el0t_64_sync_handler+0xcc/0xe4 [ 230.792554][ T6999] el0t_64_sync+0x1a0/0x1a4 [ 230.794716][ T6999] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.796419][ T6999] gfs2: fsid=](_: error -17 adding sysfs files [ 230.930857][ T7002] loop1: detected capacity change from 0 to 32768 [ 230.938742][ T7002] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.939807][ T7002] CPU: 1 PID: 7002 Comm: syz.1.674 Not tainted syzkaller #0 [ 230.940979][ T7002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.942387][ T7002] Call trace: [ 230.942858][ T7002] dump_backtrace+0x0/0x43c [ 230.943490][ T7002] show_stack+0x2c/0x3c [ 230.944078][ T7002] __dump_stack+0x30/0x40 [ 230.944705][ T7002] dump_stack_lvl+0xf8/0x160 [ 230.945372][ T7002] dump_stack+0x1c/0x5c [ 230.945982][ T7002] sysfs_create_dir_ns+0x22c/0x24c [ 230.946706][ T7002] kobject_add_internal+0x590/0xc54 [ 230.947470][ T7002] kobject_init_and_add+0x118/0x17c [ 230.948133][ T7002] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.948810][ T7002] gfs2_fill_super+0xdac/0x19e0 [ 230.949485][ T7002] get_tree_bdev+0x358/0x544 [ 230.950146][ T7002] gfs2_get_tree+0x54/0x1b4 [ 230.950798][ T7002] vfs_get_tree+0x90/0x274 [ 230.951403][ T7002] do_new_mount+0x228/0x810 [ 230.952084][ T7002] path_mount+0x5b4/0x1000 [ 230.952722][ T7002] __arm64_sys_mount+0x514/0x5e4 [ 230.953410][ T7002] invoke_syscall+0x98/0x2b8 [ 230.954089][ T7002] el0_svc_common+0x138/0x258 [ 230.954772][ T7002] do_el0_svc+0x58/0x14c [ 230.955367][ T7002] el0_svc+0x78/0x1e0 [ 230.955901][ T7002] el0t_64_sync_handler+0xcc/0xe4 [ 230.956579][ T7002] el0t_64_sync+0x1a0/0x1a4 [ 230.958918][ T7002] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.960883][ T7002] gfs2: fsid=](_: error -17 adding sysfs files [ 231.096672][ T7005] loop1: detected capacity change from 0 to 32768 [ 231.188606][ T7005] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.189750][ T7005] CPU: 1 PID: 7005 Comm: syz.1.675 Not tainted syzkaller #0 [ 231.190738][ T7005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.192120][ T7005] Call trace: [ 231.192592][ T7005] dump_backtrace+0x0/0x43c [ 231.193227][ T7005] show_stack+0x2c/0x3c [ 231.193804][ T7005] __dump_stack+0x30/0x40 [ 231.194431][ T7005] dump_stack_lvl+0xf8/0x160 [ 231.195064][ T7005] dump_stack+0x1c/0x5c [ 231.195650][ T7005] sysfs_create_dir_ns+0x22c/0x24c [ 231.196394][ T7005] kobject_add_internal+0x590/0xc54 [ 231.197182][ T7005] kobject_init_and_add+0x118/0x17c [ 231.197947][ T7005] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.198624][ T7005] gfs2_fill_super+0xdac/0x19e0 [ 231.199286][ T7005] get_tree_bdev+0x358/0x544 [ 231.199917][ T7005] gfs2_get_tree+0x54/0x1b4 [ 231.200527][ T7005] vfs_get_tree+0x90/0x274 [ 231.201134][ T7005] do_new_mount+0x228/0x810 [ 231.201789][ T7005] path_mount+0x5b4/0x1000 [ 231.202411][ T7005] __arm64_sys_mount+0x514/0x5e4 [ 231.203074][ T7005] invoke_syscall+0x98/0x2b8 [ 231.203744][ T7005] el0_svc_common+0x138/0x258 [ 231.204401][ T7005] do_el0_svc+0x58/0x14c [ 231.205030][ T7005] el0_svc+0x78/0x1e0 [ 231.205586][ T7005] el0t_64_sync_handler+0xcc/0xe4 [ 231.206243][ T7005] el0t_64_sync+0x1a0/0x1a4 [ 231.207675][ T7005] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.209489][ T7005] gfs2: fsid=](_: error -17 adding sysfs files [ 231.446423][ T7008] loop1: detected capacity change from 0 to 32768 [ 231.484530][ T7008] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.485670][ T7008] CPU: 1 PID: 7008 Comm: syz.1.676 Not tainted syzkaller #0 [ 231.486713][ T7008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.488142][ T7008] Call trace: [ 231.488591][ T7008] dump_backtrace+0x0/0x43c [ 231.489257][ T7008] show_stack+0x2c/0x3c [ 231.489784][ T7008] __dump_stack+0x30/0x40 [ 231.490392][ T7008] dump_stack_lvl+0xf8/0x160 [ 231.491119][ T7008] dump_stack+0x1c/0x5c [ 231.491716][ T7008] sysfs_create_dir_ns+0x22c/0x24c [ 231.492513][ T7008] kobject_add_internal+0x590/0xc54 [ 231.493252][ T7008] kobject_init_and_add+0x118/0x17c [ 231.493974][ T7008] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.494627][ T7008] gfs2_fill_super+0xdac/0x19e0 [ 231.495340][ T7008] get_tree_bdev+0x358/0x544 [ 231.496004][ T7008] gfs2_get_tree+0x54/0x1b4 [ 231.496624][ T7008] vfs_get_tree+0x90/0x274 [ 231.497281][ T7008] do_new_mount+0x228/0x810 [ 231.497929][ T7008] path_mount+0x5b4/0x1000 [ 231.498550][ T7008] __arm64_sys_mount+0x514/0x5e4 [ 231.499241][ T7008] invoke_syscall+0x98/0x2b8 [ 231.499880][ T7008] el0_svc_common+0x138/0x258 [ 231.500549][ T7008] do_el0_svc+0x58/0x14c [ 231.501176][ T7008] el0_svc+0x78/0x1e0 [ 231.501764][ T7008] el0t_64_sync_handler+0xcc/0xe4 [ 231.502444][ T7008] el0t_64_sync+0x1a0/0x1a4 [ 231.504753][ T7008] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.506653][ T7008] gfs2: fsid=](_: error -17 adding sysfs files [ 231.638455][ T7011] loop1: detected capacity change from 0 to 32768 [ 231.718182][ T7011] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.719369][ T7011] CPU: 0 PID: 7011 Comm: syz.1.677 Not tainted syzkaller #0 [ 231.720480][ T7011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.721934][ T7011] Call trace: [ 231.722441][ T7011] dump_backtrace+0x0/0x43c [ 231.723092][ T7011] show_stack+0x2c/0x3c [ 231.723701][ T7011] __dump_stack+0x30/0x40 [ 231.724304][ T7011] dump_stack_lvl+0xf8/0x160 [ 231.724972][ T7011] dump_stack+0x1c/0x5c [ 231.725584][ T7011] sysfs_create_dir_ns+0x22c/0x24c [ 231.726427][ T7011] kobject_add_internal+0x590/0xc54 [ 231.727246][ T7011] kobject_init_and_add+0x118/0x17c [ 231.728049][ T7011] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.728792][ T7011] gfs2_fill_super+0xdac/0x19e0 [ 231.729516][ T7011] get_tree_bdev+0x358/0x544 [ 231.730225][ T7011] gfs2_get_tree+0x54/0x1b4 [ 231.730928][ T7011] vfs_get_tree+0x90/0x274 [ 231.731607][ T7011] do_new_mount+0x228/0x810 [ 231.732286][ T7011] path_mount+0x5b4/0x1000 [ 231.732949][ T7011] __arm64_sys_mount+0x514/0x5e4 [ 231.733708][ T7011] invoke_syscall+0x98/0x2b8 [ 231.734414][ T7011] el0_svc_common+0x138/0x258 [ 231.735130][ T7011] do_el0_svc+0x58/0x14c [ 231.735762][ T7011] el0_svc+0x78/0x1e0 [ 231.736355][ T7011] el0t_64_sync_handler+0xcc/0xe4 [ 231.737072][ T7011] el0t_64_sync+0x1a0/0x1a4 [ 231.737974][ T7011] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.739722][ T7011] gfs2: fsid=](_: error -17 adding sysfs files [ 231.869964][ T7014] loop1: detected capacity change from 0 to 32768 [ 231.949292][ T7014] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.950945][ T7014] CPU: 0 PID: 7014 Comm: syz.1.678 Not tainted syzkaller #0 [ 231.951988][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.953347][ T7014] Call trace: [ 231.953808][ T7014] dump_backtrace+0x0/0x43c [ 231.954381][ T7014] show_stack+0x2c/0x3c [ 231.954921][ T7014] __dump_stack+0x30/0x40 [ 231.955560][ T7014] dump_stack_lvl+0xf8/0x160 [ 231.956195][ T7014] dump_stack+0x1c/0x5c [ 231.956794][ T7014] sysfs_create_dir_ns+0x22c/0x24c [ 231.957466][ T7014] kobject_add_internal+0x590/0xc54 [ 231.958146][ T7014] kobject_init_and_add+0x118/0x17c [ 231.958827][ T7014] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.959414][ T7014] gfs2_fill_super+0xdac/0x19e0 [ 231.960084][ T7014] get_tree_bdev+0x358/0x544 [ 231.960685][ T7014] gfs2_get_tree+0x54/0x1b4 [ 231.961308][ T7014] vfs_get_tree+0x90/0x274 [ 231.961904][ T7014] do_new_mount+0x228/0x810 [ 231.962481][ T7014] path_mount+0x5b4/0x1000 [ 231.963072][ T7014] __arm64_sys_mount+0x514/0x5e4 [ 231.963727][ T7014] invoke_syscall+0x98/0x2b8 [ 231.964331][ T7014] el0_svc_common+0x138/0x258 [ 231.965025][ T7014] do_el0_svc+0x58/0x14c [ 231.965575][ T7014] el0_svc+0x78/0x1e0 [ 231.966092][ T7014] el0t_64_sync_handler+0xcc/0xe4 [ 231.966782][ T7014] el0t_64_sync+0x1a0/0x1a4 [ 231.968183][ T7014] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.969965][ T7014] gfs2: fsid=](_: error -17 adding sysfs files [ 232.100931][ T7017] loop1: detected capacity change from 0 to 32768 [ 232.108878][ T7017] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.109988][ T7017] CPU: 0 PID: 7017 Comm: syz.1.679 Not tainted syzkaller #0 [ 232.110970][ T7017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.112383][ T7017] Call trace: [ 232.112830][ T7017] dump_backtrace+0x0/0x43c [ 232.113476][ T7017] show_stack+0x2c/0x3c [ 232.114108][ T7017] __dump_stack+0x30/0x40 [ 232.114720][ T7017] dump_stack_lvl+0xf8/0x160 [ 232.115385][ T7017] dump_stack+0x1c/0x5c [ 232.115983][ T7017] sysfs_create_dir_ns+0x22c/0x24c [ 232.116729][ T7017] kobject_add_internal+0x590/0xc54 [ 232.117450][ T7017] kobject_init_and_add+0x118/0x17c [ 232.118221][ T7017] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.118892][ T7017] gfs2_fill_super+0xdac/0x19e0 [ 232.119734][ T7017] get_tree_bdev+0x358/0x544 [ 232.120419][ T7017] gfs2_get_tree+0x54/0x1b4 [ 232.121049][ T7017] vfs_get_tree+0x90/0x274 [ 232.121725][ T7017] do_new_mount+0x228/0x810 [ 232.122388][ T7017] path_mount+0x5b4/0x1000 [ 232.123027][ T7017] __arm64_sys_mount+0x514/0x5e4 [ 232.123750][ T7017] invoke_syscall+0x98/0x2b8 [ 232.124409][ T7017] el0_svc_common+0x138/0x258 [ 232.125086][ T7017] do_el0_svc+0x58/0x14c [ 232.125646][ T7017] el0_svc+0x78/0x1e0 [ 232.126213][ T7017] el0t_64_sync_handler+0xcc/0xe4 [ 232.126950][ T7017] el0t_64_sync+0x1a0/0x1a4 [ 232.127811][ T7017] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.129561][ T7017] gfs2: fsid=](_: error -17 adding sysfs files [ 232.322044][ T7020] loop1: detected capacity change from 0 to 32768 [ 232.370177][ T7020] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.371198][ T7020] CPU: 0 PID: 7020 Comm: syz.1.680 Not tainted syzkaller #0 [ 232.372199][ T7020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.373587][ T7020] Call trace: [ 232.374025][ T7020] dump_backtrace+0x0/0x43c [ 232.374665][ T7020] show_stack+0x2c/0x3c [ 232.375255][ T7020] __dump_stack+0x30/0x40 [ 232.375895][ T7020] dump_stack_lvl+0xf8/0x160 [ 232.376570][ T7020] dump_stack+0x1c/0x5c [ 232.377156][ T7020] sysfs_create_dir_ns+0x22c/0x24c [ 232.377849][ T7020] kobject_add_internal+0x590/0xc54 [ 232.378591][ T7020] kobject_init_and_add+0x118/0x17c [ 232.379367][ T7020] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.380073][ T7020] gfs2_fill_super+0xdac/0x19e0 [ 232.380756][ T7020] get_tree_bdev+0x358/0x544 [ 232.381398][ T7020] gfs2_get_tree+0x54/0x1b4 [ 232.381981][ T7020] vfs_get_tree+0x90/0x274 [ 232.382626][ T7020] do_new_mount+0x228/0x810 [ 232.383241][ T7020] path_mount+0x5b4/0x1000 [ 232.383821][ T7020] __arm64_sys_mount+0x514/0x5e4 [ 232.384510][ T7020] invoke_syscall+0x98/0x2b8 [ 232.385186][ T7020] el0_svc_common+0x138/0x258 [ 232.385824][ T7020] do_el0_svc+0x58/0x14c [ 232.386451][ T7020] el0_svc+0x78/0x1e0 [ 232.387067][ T7020] el0t_64_sync_handler+0xcc/0xe4 [ 232.387832][ T7020] el0t_64_sync+0x1a0/0x1a4 [ 232.388680][ T7020] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.390464][ T7020] gfs2: fsid=](_: error -17 adding sysfs files [ 232.526494][ T7023] loop1: detected capacity change from 0 to 32768 [ 232.564709][ T7023] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.565690][ T7023] CPU: 1 PID: 7023 Comm: syz.1.681 Not tainted syzkaller #0 [ 232.566698][ T7023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.568144][ T7023] Call trace: [ 232.568605][ T7023] dump_backtrace+0x0/0x43c [ 232.569286][ T7023] show_stack+0x2c/0x3c [ 232.569899][ T7023] __dump_stack+0x30/0x40 [ 232.570501][ T7023] dump_stack_lvl+0xf8/0x160 [ 232.571197][ T7023] dump_stack+0x1c/0x5c [ 232.571791][ T7023] sysfs_create_dir_ns+0x22c/0x24c [ 232.572490][ T7023] kobject_add_internal+0x590/0xc54 [ 232.573238][ T7023] kobject_init_and_add+0x118/0x17c [ 232.573987][ T7023] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.574675][ T7023] gfs2_fill_super+0xdac/0x19e0 [ 232.575309][ T7023] get_tree_bdev+0x358/0x544 [ 232.575963][ T7023] gfs2_get_tree+0x54/0x1b4 [ 232.576569][ T7023] vfs_get_tree+0x90/0x274 [ 232.577217][ T7023] do_new_mount+0x228/0x810 [ 232.577895][ T7023] path_mount+0x5b4/0x1000 [ 232.578580][ T7023] __arm64_sys_mount+0x514/0x5e4 [ 232.579276][ T7023] invoke_syscall+0x98/0x2b8 [ 232.579909][ T7023] el0_svc_common+0x138/0x258 [ 232.580594][ T7023] do_el0_svc+0x58/0x14c [ 232.581252][ T7023] el0_svc+0x78/0x1e0 [ 232.581888][ T7023] el0t_64_sync_handler+0xcc/0xe4 [ 232.582626][ T7023] el0t_64_sync+0x1a0/0x1a4 [ 232.584899][ T7023] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.586698][ T7023] gfs2: fsid=](_: error -17 adding sysfs files [ 232.722913][ T7026] loop1: detected capacity change from 0 to 32768 [ 232.729765][ T7026] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.730822][ T7026] CPU: 1 PID: 7026 Comm: syz.1.682 Not tainted syzkaller #0 [ 232.731823][ T7026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.733258][ T7026] Call trace: [ 232.733811][ T7026] dump_backtrace+0x0/0x43c [ 232.734463][ T7026] show_stack+0x2c/0x3c [ 232.735104][ T7026] __dump_stack+0x30/0x40 [ 232.735722][ T7026] dump_stack_lvl+0xf8/0x160 [ 232.736407][ T7026] dump_stack+0x1c/0x5c [ 232.736975][ T7026] sysfs_create_dir_ns+0x22c/0x24c [ 232.737711][ T7026] kobject_add_internal+0x590/0xc54 [ 232.738486][ T7026] kobject_init_and_add+0x118/0x17c [ 232.739251][ T7026] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.739919][ T7026] gfs2_fill_super+0xdac/0x19e0 [ 232.740609][ T7026] get_tree_bdev+0x358/0x544 [ 232.741203][ T7026] gfs2_get_tree+0x54/0x1b4 [ 232.741787][ T7026] vfs_get_tree+0x90/0x274 [ 232.742447][ T7026] do_new_mount+0x228/0x810 [ 232.743075][ T7026] path_mount+0x5b4/0x1000 [ 232.743707][ T7026] __arm64_sys_mount+0x514/0x5e4 [ 232.744386][ T7026] invoke_syscall+0x98/0x2b8 [ 232.745099][ T7026] el0_svc_common+0x138/0x258 [ 232.745844][ T7026] do_el0_svc+0x58/0x14c [ 232.746469][ T7026] el0_svc+0x78/0x1e0 [ 232.747028][ T7026] el0t_64_sync_handler+0xcc/0xe4 [ 232.747685][ T7026] el0t_64_sync+0x1a0/0x1a4 [ 232.749977][ T7026] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.751931][ T7026] gfs2: fsid=](_: error -17 adding sysfs files [ 232.881772][ T7029] loop1: detected capacity change from 0 to 32768 [ 232.914513][ T7029] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.915540][ T7029] CPU: 0 PID: 7029 Comm: syz.1.683 Not tainted syzkaller #0 [ 232.916524][ T7029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.917869][ T7029] Call trace: [ 232.918304][ T7029] dump_backtrace+0x0/0x43c [ 232.918913][ T7029] show_stack+0x2c/0x3c [ 232.919616][ T7029] __dump_stack+0x30/0x40 [ 232.920290][ T7029] dump_stack_lvl+0xf8/0x160 [ 232.920992][ T7029] dump_stack+0x1c/0x5c [ 232.921578][ T7029] sysfs_create_dir_ns+0x22c/0x24c [ 232.922277][ T7029] kobject_add_internal+0x590/0xc54 [ 232.923046][ T7029] kobject_init_and_add+0x118/0x17c [ 232.923794][ T7029] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.924509][ T7029] gfs2_fill_super+0xdac/0x19e0 [ 232.925287][ T7029] get_tree_bdev+0x358/0x544 [ 232.925997][ T7029] gfs2_get_tree+0x54/0x1b4 [ 232.926693][ T7029] vfs_get_tree+0x90/0x274 [ 232.927330][ T7029] do_new_mount+0x228/0x810 [ 232.928020][ T7029] path_mount+0x5b4/0x1000 [ 232.928651][ T7029] __arm64_sys_mount+0x514/0x5e4 [ 232.929355][ T7029] invoke_syscall+0x98/0x2b8 [ 232.930056][ T7029] el0_svc_common+0x138/0x258 [ 232.930748][ T7029] do_el0_svc+0x58/0x14c [ 232.931341][ T7029] el0_svc+0x78/0x1e0 [ 232.931961][ T7029] el0t_64_sync_handler+0xcc/0xe4 [ 232.932701][ T7029] el0t_64_sync+0x1a0/0x1a4 [ 232.937547][ T7029] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.939380][ T7029] gfs2: fsid=](_: error -17 adding sysfs files [ 233.138197][ T7032] loop1: detected capacity change from 0 to 32768 [ 233.179431][ T7032] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.180773][ T7032] CPU: 0 PID: 7032 Comm: syz.1.684 Not tainted syzkaller #0 [ 233.181836][ T7032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.183366][ T7032] Call trace: [ 233.183767][ T7032] dump_backtrace+0x0/0x43c [ 233.184302][ T7032] show_stack+0x2c/0x3c [ 233.184822][ T7032] __dump_stack+0x30/0x40 [ 233.185412][ T7032] dump_stack_lvl+0xf8/0x160 [ 233.186088][ T7032] dump_stack+0x1c/0x5c [ 233.186674][ T7032] sysfs_create_dir_ns+0x22c/0x24c [ 233.187424][ T7032] kobject_add_internal+0x590/0xc54 [ 233.188112][ T7032] kobject_init_and_add+0x118/0x17c [ 233.188854][ T7032] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.189556][ T7032] gfs2_fill_super+0xdac/0x19e0 [ 233.190244][ T7032] get_tree_bdev+0x358/0x544 [ 233.190992][ T7032] gfs2_get_tree+0x54/0x1b4 [ 233.191667][ T7032] vfs_get_tree+0x90/0x274 [ 233.192273][ T7032] do_new_mount+0x228/0x810 [ 233.192940][ T7032] path_mount+0x5b4/0x1000 [ 233.193557][ T7032] __arm64_sys_mount+0x514/0x5e4 [ 233.194290][ T7032] invoke_syscall+0x98/0x2b8 [ 233.194928][ T7032] el0_svc_common+0x138/0x258 [ 233.195604][ T7032] do_el0_svc+0x58/0x14c [ 233.196239][ T7032] el0_svc+0x78/0x1e0 [ 233.196828][ T7032] el0t_64_sync_handler+0xcc/0xe4 [ 233.197529][ T7032] el0t_64_sync+0x1a0/0x1a4 [ 233.198552][ T7032] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.200341][ T7032] gfs2: fsid=](_: error -17 adding sysfs files [ 233.335296][ T7035] loop1: detected capacity change from 0 to 32768 [ 233.342245][ T7035] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.343679][ T7035] CPU: 1 PID: 7035 Comm: syz.1.685 Not tainted syzkaller #0 [ 233.344810][ T7035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.346261][ T7035] Call trace: [ 233.346681][ T7035] dump_backtrace+0x0/0x43c [ 233.347335][ T7035] show_stack+0x2c/0x3c [ 233.347953][ T7035] __dump_stack+0x30/0x40 [ 233.348574][ T7035] dump_stack_lvl+0xf8/0x160 [ 233.349161][ T7035] dump_stack+0x1c/0x5c [ 233.349692][ T7035] sysfs_create_dir_ns+0x22c/0x24c [ 233.350433][ T7035] kobject_add_internal+0x590/0xc54 [ 233.351156][ T7035] kobject_init_and_add+0x118/0x17c [ 233.351876][ T7035] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.352532][ T7035] gfs2_fill_super+0xdac/0x19e0 [ 233.353194][ T7035] get_tree_bdev+0x358/0x544 [ 233.353849][ T7035] gfs2_get_tree+0x54/0x1b4 [ 233.354456][ T7035] vfs_get_tree+0x90/0x274 [ 233.355019][ T7035] do_new_mount+0x228/0x810 [ 233.355652][ T7035] path_mount+0x5b4/0x1000 [ 233.356269][ T7035] __arm64_sys_mount+0x514/0x5e4 [ 233.356946][ T7035] invoke_syscall+0x98/0x2b8 [ 233.357613][ T7035] el0_svc_common+0x138/0x258 [ 233.358224][ T7035] do_el0_svc+0x58/0x14c [ 233.358785][ T7035] el0_svc+0x78/0x1e0 [ 233.359351][ T7035] el0t_64_sync_handler+0xcc/0xe4 [ 233.360100][ T7035] el0t_64_sync+0x1a0/0x1a4 [ 233.362230][ T7035] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.364326][ T7035] gfs2: fsid=](_: error -17 adding sysfs files [ 233.497503][ T7038] loop1: detected capacity change from 0 to 32768 [ 233.538194][ T7038] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.539360][ T7038] CPU: 1 PID: 7038 Comm: syz.1.686 Not tainted syzkaller #0 [ 233.540334][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.541684][ T7038] Call trace: [ 233.542121][ T7038] dump_backtrace+0x0/0x43c [ 233.542762][ T7038] show_stack+0x2c/0x3c [ 233.543348][ T7038] __dump_stack+0x30/0x40 [ 233.543957][ T7038] dump_stack_lvl+0xf8/0x160 [ 233.544621][ T7038] dump_stack+0x1c/0x5c [ 233.545208][ T7038] sysfs_create_dir_ns+0x22c/0x24c [ 233.546012][ T7038] kobject_add_internal+0x590/0xc54 [ 233.546754][ T7038] kobject_init_and_add+0x118/0x17c [ 233.547494][ T7038] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.548136][ T7038] gfs2_fill_super+0xdac/0x19e0 [ 233.548786][ T7038] get_tree_bdev+0x358/0x544 [ 233.549472][ T7038] gfs2_get_tree+0x54/0x1b4 [ 233.550089][ T7038] vfs_get_tree+0x90/0x274 [ 233.550760][ T7038] do_new_mount+0x228/0x810 [ 233.551415][ T7038] path_mount+0x5b4/0x1000 [ 233.551963][ T7038] __arm64_sys_mount+0x514/0x5e4 [ 233.552649][ T7038] invoke_syscall+0x98/0x2b8 [ 233.553327][ T7038] el0_svc_common+0x138/0x258 [ 233.553979][ T7038] do_el0_svc+0x58/0x14c [ 233.554548][ T7038] el0_svc+0x78/0x1e0 [ 233.555106][ T7038] el0t_64_sync_handler+0xcc/0xe4 [ 233.555832][ T7038] el0t_64_sync+0x1a0/0x1a4 [ 233.558282][ T7038] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.559963][ T7038] gfs2: fsid=](_: error -17 adding sysfs files [ 233.752716][ T7041] loop1: detected capacity change from 0 to 32768 [ 233.773416][ T7041] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.774498][ T7041] CPU: 0 PID: 7041 Comm: syz.1.687 Not tainted syzkaller #0 [ 233.775526][ T7041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.776984][ T7041] Call trace: [ 233.777447][ T7041] dump_backtrace+0x0/0x43c [ 233.778125][ T7041] show_stack+0x2c/0x3c [ 233.778730][ T7041] __dump_stack+0x30/0x40 [ 233.779350][ T7041] dump_stack_lvl+0xf8/0x160 [ 233.780011][ T7041] dump_stack+0x1c/0x5c [ 233.780620][ T7041] sysfs_create_dir_ns+0x22c/0x24c [ 233.781346][ T7041] kobject_add_internal+0x590/0xc54 [ 233.782109][ T7041] kobject_init_and_add+0x118/0x17c [ 233.782809][ T7041] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.783430][ T7041] gfs2_fill_super+0xdac/0x19e0 [ 233.784052][ T7041] get_tree_bdev+0x358/0x544 [ 233.784713][ T7041] gfs2_get_tree+0x54/0x1b4 [ 233.785341][ T7041] vfs_get_tree+0x90/0x274 [ 233.785972][ T7041] do_new_mount+0x228/0x810 [ 233.786643][ T7041] path_mount+0x5b4/0x1000 [ 233.787259][ T7041] __arm64_sys_mount+0x514/0x5e4 [ 233.787989][ T7041] invoke_syscall+0x98/0x2b8 [ 233.788649][ T7041] el0_svc_common+0x138/0x258 [ 233.789286][ T7041] do_el0_svc+0x58/0x14c [ 233.789871][ T7041] el0_svc+0x78/0x1e0 [ 233.790401][ T7041] el0t_64_sync_handler+0xcc/0xe4 [ 233.791109][ T7041] el0t_64_sync+0x1a0/0x1a4 [ 233.793798][ T7041] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.795491][ T7041] gfs2: fsid=](_: error -17 adding sysfs files [ 234.020961][ T7044] loop1: detected capacity change from 0 to 32768 [ 234.059185][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.060265][ T7044] CPU: 1 PID: 7044 Comm: syz.1.688 Not tainted syzkaller #0 [ 234.061286][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.062614][ T7044] Call trace: [ 234.063050][ T7044] dump_backtrace+0x0/0x43c [ 234.063692][ T7044] show_stack+0x2c/0x3c [ 234.064315][ T7044] __dump_stack+0x30/0x40 [ 234.064977][ T7044] dump_stack_lvl+0xf8/0x160 [ 234.065620][ T7044] dump_stack+0x1c/0x5c [ 234.066216][ T7044] sysfs_create_dir_ns+0x22c/0x24c [ 234.066977][ T7044] kobject_add_internal+0x590/0xc54 [ 234.067704][ T7044] kobject_init_and_add+0x118/0x17c [ 234.068467][ T7044] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.069149][ T7044] gfs2_fill_super+0xdac/0x19e0 [ 234.069843][ T7044] get_tree_bdev+0x358/0x544 [ 234.070490][ T7044] gfs2_get_tree+0x54/0x1b4 [ 234.071117][ T7044] vfs_get_tree+0x90/0x274 [ 234.071729][ T7044] do_new_mount+0x228/0x810 [ 234.072346][ T7044] path_mount+0x5b4/0x1000 [ 234.072967][ T7044] __arm64_sys_mount+0x514/0x5e4 [ 234.073647][ T7044] invoke_syscall+0x98/0x2b8 [ 234.074264][ T7044] el0_svc_common+0x138/0x258 [ 234.074896][ T7044] do_el0_svc+0x58/0x14c [ 234.075472][ T7044] el0_svc+0x78/0x1e0 [ 234.076021][ T7044] el0t_64_sync_handler+0xcc/0xe4 [ 234.076711][ T7044] el0t_64_sync+0x1a0/0x1a4 [ 234.077535][ T7044] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.079412][ T7044] gfs2: fsid=](_: error -17 adding sysfs files [ 234.210125][ T7047] loop1: detected capacity change from 0 to 32768 [ 234.298031][ T7047] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.299144][ T7047] CPU: 1 PID: 7047 Comm: syz.1.689 Not tainted syzkaller #0 [ 234.300125][ T7047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.301557][ T7047] Call trace: [ 234.302006][ T7047] dump_backtrace+0x0/0x43c [ 234.302620][ T7047] show_stack+0x2c/0x3c [ 234.303165][ T7047] __dump_stack+0x30/0x40 [ 234.303770][ T7047] dump_stack_lvl+0xf8/0x160 [ 234.304377][ T7047] dump_stack+0x1c/0x5c [ 234.304972][ T7047] sysfs_create_dir_ns+0x22c/0x24c [ 234.305660][ T7047] kobject_add_internal+0x590/0xc54 [ 234.306383][ T7047] kobject_init_and_add+0x118/0x17c [ 234.307083][ T7047] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.307783][ T7047] gfs2_fill_super+0xdac/0x19e0 [ 234.308498][ T7047] get_tree_bdev+0x358/0x544 [ 234.309151][ T7047] gfs2_get_tree+0x54/0x1b4 [ 234.309829][ T7047] vfs_get_tree+0x90/0x274 [ 234.310447][ T7047] do_new_mount+0x228/0x810 [ 234.311088][ T7047] path_mount+0x5b4/0x1000 [ 234.311693][ T7047] __arm64_sys_mount+0x514/0x5e4 [ 234.312413][ T7047] invoke_syscall+0x98/0x2b8 [ 234.313149][ T7047] el0_svc_common+0x138/0x258 [ 234.313772][ T7047] do_el0_svc+0x58/0x14c [ 234.314345][ T7047] el0_svc+0x78/0x1e0 [ 234.314878][ T7047] el0t_64_sync_handler+0xcc/0xe4 [ 234.315622][ T7047] el0t_64_sync+0x1a0/0x1a4 [ 234.317794][ T7047] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.319615][ T7047] gfs2: fsid=](_: error -17 adding sysfs files [ 234.453404][ T7050] loop1: detected capacity change from 0 to 32768 [ 234.456301][ T7050] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.457406][ T7050] CPU: 1 PID: 7050 Comm: syz.1.690 Not tainted syzkaller #0 [ 234.458391][ T7050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.459678][ T7050] Call trace: [ 234.460167][ T7050] dump_backtrace+0x0/0x43c [ 234.460823][ T7050] show_stack+0x2c/0x3c [ 234.461358][ T7050] __dump_stack+0x30/0x40 [ 234.461972][ T7050] dump_stack_lvl+0xf8/0x160 [ 234.462580][ T7050] dump_stack+0x1c/0x5c [ 234.463163][ T7050] sysfs_create_dir_ns+0x22c/0x24c [ 234.463914][ T7050] kobject_add_internal+0x590/0xc54 [ 234.464675][ T7050] kobject_init_and_add+0x118/0x17c [ 234.465398][ T7050] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.466101][ T7050] gfs2_fill_super+0xdac/0x19e0 [ 234.466770][ T7050] get_tree_bdev+0x358/0x544 [ 234.467409][ T7050] gfs2_get_tree+0x54/0x1b4 [ 234.468050][ T7050] vfs_get_tree+0x90/0x274 [ 234.468694][ T7050] do_new_mount+0x228/0x810 [ 234.469375][ T7050] path_mount+0x5b4/0x1000 [ 234.469949][ T7050] __arm64_sys_mount+0x514/0x5e4 [ 234.470594][ T7050] invoke_syscall+0x98/0x2b8 [ 234.471233][ T7050] el0_svc_common+0x138/0x258 [ 234.471851][ T7050] do_el0_svc+0x58/0x14c [ 234.472462][ T7050] el0_svc+0x78/0x1e0 [ 234.473136][ T7050] el0t_64_sync_handler+0xcc/0xe4 [ 234.473901][ T7050] el0t_64_sync+0x1a0/0x1a4 [ 234.475460][ T7050] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.477376][ T7050] gfs2: fsid=](_: error -17 adding sysfs files [ 234.610976][ T7053] loop1: detected capacity change from 0 to 32768 [ 234.618793][ T7053] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.619923][ T7053] CPU: 0 PID: 7053 Comm: syz.1.691 Not tainted syzkaller #0 [ 234.621081][ T7053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.622494][ T7053] Call trace: [ 234.622966][ T7053] dump_backtrace+0x0/0x43c [ 234.623640][ T7053] show_stack+0x2c/0x3c [ 234.624283][ T7053] __dump_stack+0x30/0x40 [ 234.624945][ T7053] dump_stack_lvl+0xf8/0x160 [ 234.625599][ T7053] dump_stack+0x1c/0x5c [ 234.626209][ T7053] sysfs_create_dir_ns+0x22c/0x24c [ 234.626888][ T7053] kobject_add_internal+0x590/0xc54 [ 234.627648][ T7053] kobject_init_and_add+0x118/0x17c [ 234.628392][ T7053] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.629027][ T7053] gfs2_fill_super+0xdac/0x19e0 [ 234.629669][ T7053] get_tree_bdev+0x358/0x544 [ 234.630273][ T7053] gfs2_get_tree+0x54/0x1b4 [ 234.630869][ T7053] vfs_get_tree+0x90/0x274 [ 234.631477][ T7053] do_new_mount+0x228/0x810 [ 234.632121][ T7053] path_mount+0x5b4/0x1000 [ 234.632755][ T7053] __arm64_sys_mount+0x514/0x5e4 [ 234.633401][ T7053] invoke_syscall+0x98/0x2b8 [ 234.634073][ T7053] el0_svc_common+0x138/0x258 [ 234.634736][ T7053] do_el0_svc+0x58/0x14c [ 234.635335][ T7053] el0_svc+0x78/0x1e0 [ 234.635917][ T7053] el0t_64_sync_handler+0xcc/0xe4 [ 234.636649][ T7053] el0t_64_sync+0x1a0/0x1a4 [ 234.638784][ T7053] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.640525][ T7053] gfs2: fsid=](_: error -17 adding sysfs files [ 234.770716][ T7056] loop1: detected capacity change from 0 to 32768 [ 234.873429][ T7056] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.874488][ T7056] CPU: 1 PID: 7056 Comm: syz.1.692 Not tainted syzkaller #0 [ 234.875478][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.876901][ T7056] Call trace: [ 234.877322][ T7056] dump_backtrace+0x0/0x43c [ 234.878004][ T7056] show_stack+0x2c/0x3c [ 234.878574][ T7056] __dump_stack+0x30/0x40 [ 234.879213][ T7056] dump_stack_lvl+0xf8/0x160 [ 234.879850][ T7056] dump_stack+0x1c/0x5c [ 234.880417][ T7056] sysfs_create_dir_ns+0x22c/0x24c [ 234.881233][ T7056] kobject_add_internal+0x590/0xc54 [ 234.881932][ T7056] kobject_init_and_add+0x118/0x17c [ 234.882603][ T7056] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.883263][ T7056] gfs2_fill_super+0xdac/0x19e0 [ 234.883952][ T7056] get_tree_bdev+0x358/0x544 [ 234.884593][ T7056] gfs2_get_tree+0x54/0x1b4 [ 234.885233][ T7056] vfs_get_tree+0x90/0x274 [ 234.885841][ T7056] do_new_mount+0x228/0x810 [ 234.886439][ T7056] path_mount+0x5b4/0x1000 [ 234.887026][ T7056] __arm64_sys_mount+0x514/0x5e4 [ 234.887678][ T7056] invoke_syscall+0x98/0x2b8 [ 234.888297][ T7056] el0_svc_common+0x138/0x258 [ 234.888951][ T7056] do_el0_svc+0x58/0x14c [ 234.889560][ T7056] el0_svc+0x78/0x1e0 [ 234.890089][ T7056] el0t_64_sync_handler+0xcc/0xe4 [ 234.890772][ T7056] el0t_64_sync+0x1a0/0x1a4 [ 234.891619][ T7056] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.895051][ T7056] gfs2: fsid=](_: error -17 adding sysfs files [ 235.029193][ T7059] loop1: detected capacity change from 0 to 32768 [ 235.037151][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.038248][ T7059] CPU: 0 PID: 7059 Comm: syz.1.693 Not tainted syzkaller #0 [ 235.039287][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 235.040639][ T7059] Call trace: [ 235.041133][ T7059] dump_backtrace+0x0/0x43c [ 235.041793][ T7059] show_stack+0x2c/0x3c [ 235.042351][ T7059] __dump_stack+0x30/0x40 [ 235.042968][ T7059] dump_stack_lvl+0xf8/0x160 [ 235.043685][ T7059] dump_stack+0x1c/0x5c [ 235.044294][ T7059] sysfs_create_dir_ns+0x22c/0x24c [ 235.045104][ T7059] kobject_add_internal+0x590/0xc54 [ 235.045835][ T7059] kobject_init_and_add+0x118/0x17c [ 235.046538][ T7059] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.047200][ T7059] gfs2_fill_super+0xdac/0x19e0 [ 235.047787][ T7059] get_tree_bdev+0x358/0x544 [ 235.048416][ T7059] gfs2_get_tree+0x54/0x1b4 [ 235.049054][ T7059] vfs_get_tree+0x90/0x274 [ 235.049627][ T7059] do_new_mount+0x228/0x810 [ 235.050241][ T7059] path_mount+0x5b4/0x1000 [ 235.050876][ T7059] __arm64_sys_mount+0x514/0x5e4 [ 235.051569][ T7059] invoke_syscall+0x98/0x2b8 [ 235.052210][ T7059] el0_svc_common+0x138/0x258 [ 235.052853][ T7059] do_el0_svc+0x58/0x14c [ 235.053515][ T7059] el0_svc+0x78/0x1e0 [ 235.054044][ T7059] el0t_64_sync_handler+0xcc/0xe4 [ 235.054701][ T7059] el0t_64_sync+0x1a0/0x1a4 [ 235.058063][ T7059] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.059940][ T7059] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:55 executed programs: 680 [ 235.246606][ T7062] loop1: detected capacity change from 0 to 32768 [ 235.294678][ T7062] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.295846][ T7062] CPU: 1 PID: 7062 Comm: syz.1.694 Not tainted syzkaller #0 [ 235.296984][ T7062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 235.298396][ T7062] Call trace: [ 235.298889][ T7062] dump_backtrace+0x0/0x43c [ 235.299579][ T7062] show_stack+0x2c/0x3c [ 235.300171][ T7062] __dump_stack+0x30/0x40 [ 235.300748][ T7062] dump_stack_lvl+0xf8/0x160 [ 235.301413][ T7062] dump_stack+0x1c/0x5c [ 235.302017][ T7062] sysfs_create_dir_ns+0x22c/0x24c [ 235.302749][ T7062] kobject_add_internal+0x590/0xc54 [ 235.303457][ T7062] kobject_init_and_add+0x118/0x17c [ 235.304182][ T7062] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.304879][ T7062] gfs2_fill_super+0xdac/0x19e0 [ 235.305536][ T7062] get_tree_bdev+0x358/0x544 [ 235.306212][ T7062] gfs2_get_tree+0x54/0x1b4 [ 235.306912][ T7062] vfs_get_tree+0x90/0x274 [ 235.307540][ T7062] do_new_mount+0x228/0x810 [ 235.308144][ T7062] path_mount+0x5b4/0x1000 [ 235.308747][ T7062] __arm64_sys_mount+0x514/0x5e4 [ 235.309475][ T7062] invoke_syscall+0x98/0x2b8 [ 235.310118][ T7062] el0_svc_common+0x138/0x258 [ 235.310777][ T7062] do_el0_svc+0x58/0x14c [ 235.311426][ T7062] el0_svc+0x78/0x1e0 [ 235.312001][ T7062] el0t_64_sync_handler+0xcc/0xe4 [ 235.312671][ T7062] el0t_64_sync+0x1a0/0x1a4 [ 235.313596][ T7062] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.315510][ T7062] gfs2: fsid=](_: error -17 adding sysfs files [ 235.486294][ T7065] loop1: detected capacity change from 0 to 32768 [ 235.540066][ T7065] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.541101][ T7065] CPU: 0 PID: 7065 Comm: syz.1.695 Not tainted syzkaller #0 [ 235.542271][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 235.543725][ T7065] Call trace: [ 235.544156][ T7065] dump_backtrace+0x0/0x43c [ 235.544801][ T7065] show_stack+0x2c/0x3c [ 235.545387][ T7065] __dump_stack+0x30/0x40 [ 235.546040][ T7065] dump_stack_lvl+0xf8/0x160 [ 235.546689][ T7065] dump_stack+0x1c/0x5c [ 235.547267][ T7065] sysfs_create_dir_ns+0x22c/0x24c [ 235.548081][ T7065] kobject_add_internal+0x590/0xc54 [ 235.548799][ T7065] kobject_init_and_add+0x118/0x17c [ 235.549555][ T7065] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.550206][ T7065] gfs2_fill_super+0xdac/0x19e0 [ 235.550889][ T7065] get_tree_bdev+0x358/0x544 [ 235.551533][ T7065] gfs2_get_tree+0x54/0x1b4 [ 235.552190][ T7065] vfs_get_tree+0x90/0x274 [ 235.552842][ T7065] do_new_mount+0x228/0x810 [ 235.553470][ T7065] path_mount+0x5b4/0x1000 [ 235.554085][ T7065] __arm64_sys_mount+0x514/0x5e4 [ 235.554728][ T7065] invoke_syscall+0x98/0x2b8 [ 235.555400][ T7065] el0_svc_common+0x138/0x258 [ 235.556077][ T7065] do_el0_svc+0x58/0x14c [ 235.556675][ T7065] el0_svc+0x78/0x1e0 [ 235.557213][ T7065] el0t_64_sync_handler+0xcc/0xe4 [ 235.557959][ T7065] el0t_64_sync+0x1a0/0x1a4 [ 235.560026][ T7065] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.561791][ T7065] gfs2: fsid=](_: error -17 adding sysfs files [ 235.695127][ T7068] loop1: detected capacity change from 0 to 32768 [ 235.751218][ T7068] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.752271][ T7068] CPU: 1 PID: 7068 Comm: syz.1.696 Not tainted syzkaller #0 [ 235.753329][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 235.754791][ T7068] Call trace: [ 235.755251][ T7068] dump_backtrace+0x0/0x43c [ 235.755902][ T7068] show_stack+0x2c/0x3c [ 235.756452][ T7068] __dump_stack+0x30/0x40 [ 235.757066][ T7068] dump_stack_lvl+0xf8/0x160 [ 235.757685][ T7068] dump_stack+0x1c/0x5c [ 235.758273][ T7068] sysfs_create_dir_ns+0x22c/0x24c [ 235.758966][ T7068] kobject_add_internal+0x590/0xc54 [ 235.759677][ T7068] kobject_init_and_add+0x118/0x17c [ 235.760370][ T7068] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.761057][ T7068] gfs2_fill_super+0xdac/0x19e0 [ 235.761769][ T7068] get_tree_bdev+0x358/0x544 [ 235.762377][ T7068] gfs2_get_tree+0x54/0x1b4 [ 235.762984][ T7068] vfs_get_tree+0x90/0x274 [ 235.763615][ T7068] do_new_mount+0x228/0x810 [ 235.764267][ T7068] path_mount+0x5b4/0x1000 [ 235.764929][ T7068] __arm64_sys_mount+0x514/0x5e4 [ 235.765655][ T7068] invoke_syscall+0x98/0x2b8 [ 235.766236][ T7068] el0_svc_common+0x138/0x258 [ 235.766880][ T7068] do_el0_svc+0x58/0x14c [ 235.767443][ T7068] el0_svc+0x78/0x1e0 [ 235.767968][ T7068] el0t_64_sync_handler+0xcc/0xe4 [ 235.768643][ T7068] el0t_64_sync+0x1a0/0x1a4 [ 235.770847][ T7068] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.772728][ T7068] gfs2: fsid=](_: error -17 adding sysfs files [ 235.900624][ T7071] loop1: detected capacity change from 0 to 32768 [ 235.948500][ T7071] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.949576][ T7071] CPU: 1 PID: 7071 Comm: syz.1.697 Not tainted syzkaller #0 [ 235.950761][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 235.952336][ T7071] Call trace: [ 235.952839][ T7071] dump_backtrace+0x0/0x43c [ 235.953448][ T7071] show_stack+0x2c/0x3c [ 235.954048][ T7071] __dump_stack+0x30/0x40 [ 235.954694][ T7071] dump_stack_lvl+0xf8/0x160 [ 235.955441][ T7071] dump_stack+0x1c/0x5c [ 235.956070][ T7071] sysfs_create_dir_ns+0x22c/0x24c [ 235.956817][ T7071] kobject_add_internal+0x590/0xc54 [ 235.957577][ T7071] kobject_init_and_add+0x118/0x17c [ 235.958303][ T7071] gfs2_sys_fs_add+0x1dc/0x3d8 [ 235.959010][ T7071] gfs2_fill_super+0xdac/0x19e0 [ 235.959696][ T7071] get_tree_bdev+0x358/0x544 [ 235.960346][ T7071] gfs2_get_tree+0x54/0x1b4 [ 235.960976][ T7071] vfs_get_tree+0x90/0x274 [ 235.961564][ T7071] do_new_mount+0x228/0x810 [ 235.962214][ T7071] path_mount+0x5b4/0x1000 [ 235.962858][ T7071] __arm64_sys_mount+0x514/0x5e4 [ 235.963595][ T7071] invoke_syscall+0x98/0x2b8 [ 235.964239][ T7071] el0_svc_common+0x138/0x258 [ 235.964968][ T7071] do_el0_svc+0x58/0x14c [ 235.965564][ T7071] el0_svc+0x78/0x1e0 [ 235.966059][ T7071] el0t_64_sync_handler+0xcc/0xe4 [ 235.966730][ T7071] el0t_64_sync+0x1a0/0x1a4 [ 235.968120][ T7071] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.969995][ T7071] gfs2: fsid=](_: error -17 adding sysfs files [ 236.109280][ T7074] loop1: detected capacity change from 0 to 32768 [ 236.117778][ T7074] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.118813][ T7074] CPU: 0 PID: 7074 Comm: syz.1.698 Not tainted syzkaller #0 [ 236.119854][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 236.121186][ T7074] Call trace: [ 236.121665][ T7074] dump_backtrace+0x0/0x43c [ 236.122270][ T7074] show_stack+0x2c/0x3c [ 236.122873][ T7074] __dump_stack+0x30/0x40 [ 236.123486][ T7074] dump_stack_lvl+0xf8/0x160 [ 236.124156][ T7074] dump_stack+0x1c/0x5c [ 236.124732][ T7074] sysfs_create_dir_ns+0x22c/0x24c [ 236.125477][ T7074] kobject_add_internal+0x590/0xc54 [ 236.126217][ T7074] kobject_init_and_add+0x118/0x17c [ 236.126987][ T7074] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.127683][ T7074] gfs2_fill_super+0xdac/0x19e0 [ 236.128353][ T7074] get_tree_bdev+0x358/0x544 [ 236.128973][ T7074] gfs2_get_tree+0x54/0x1b4 [ 236.129580][ T7074] vfs_get_tree+0x90/0x274 [ 236.130208][ T7074] do_new_mount+0x228/0x810 [ 236.130801][ T7074] path_mount+0x5b4/0x1000 [ 236.131416][ T7074] __arm64_sys_mount+0x514/0x5e4 [ 236.132118][ T7074] invoke_syscall+0x98/0x2b8 [ 236.132787][ T7074] el0_svc_common+0x138/0x258 [ 236.133488][ T7074] do_el0_svc+0x58/0x14c [ 236.134136][ T7074] el0_svc+0x78/0x1e0 [ 236.134782][ T7074] el0t_64_sync_handler+0xcc/0xe4 [ 236.135522][ T7074] el0t_64_sync+0x1a0/0x1a4 [ 236.136834][ T7074] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.138799][ T7074] gfs2: fsid=](_: error -17 adding sysfs files [ 236.268232][ T7077] loop1: detected capacity change from 0 to 32768 [ 236.314563][ T7077] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.315737][ T7077] CPU: 1 PID: 7077 Comm: syz.1.699 Not tainted syzkaller #0 [ 236.316875][ T7077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 236.318283][ T7077] Call trace: [ 236.318682][ T7077] dump_backtrace+0x0/0x43c [ 236.319296][ T7077] show_stack+0x2c/0x3c [ 236.319834][ T7077] __dump_stack+0x30/0x40 [ 236.320432][ T7077] dump_stack_lvl+0xf8/0x160 [ 236.321062][ T7077] dump_stack+0x1c/0x5c [ 236.321611][ T7077] sysfs_create_dir_ns+0x22c/0x24c [ 236.322337][ T7077] kobject_add_internal+0x590/0xc54 [ 236.323062][ T7077] kobject_init_and_add+0x118/0x17c [ 236.323765][ T7077] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.324433][ T7077] gfs2_fill_super+0xdac/0x19e0 [ 236.325128][ T7077] get_tree_bdev+0x358/0x544 [ 236.325777][ T7077] gfs2_get_tree+0x54/0x1b4 [ 236.326427][ T7077] vfs_get_tree+0x90/0x274 [ 236.327064][ T7077] do_new_mount+0x228/0x810 [ 236.327724][ T7077] path_mount+0x5b4/0x1000 [ 236.328372][ T7077] __arm64_sys_mount+0x514/0x5e4 [ 236.329081][ T7077] invoke_syscall+0x98/0x2b8 [ 236.329699][ T7077] el0_svc_common+0x138/0x258 [ 236.330560][ T7077] do_el0_svc+0x58/0x14c [ 236.331232][ T7077] el0_svc+0x78/0x1e0 [ 236.331855][ T7077] el0t_64_sync_handler+0xcc/0xe4 [ 236.332615][ T7077] el0t_64_sync+0x1a0/0x1a4 [ 236.333779][ T7077] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.335731][ T7077] gfs2: fsid=](_: error -17 adding sysfs files [ 236.489650][ T7080] loop1: detected capacity change from 0 to 32768 [ 236.539331][ T7080] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.540450][ T7080] CPU: 0 PID: 7080 Comm: syz.1.700 Not tainted syzkaller #0 [ 236.541456][ T7080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 236.542910][ T7080] Call trace: [ 236.543447][ T7080] dump_backtrace+0x0/0x43c [ 236.544142][ T7080] show_stack+0x2c/0x3c [ 236.544771][ T7080] __dump_stack+0x30/0x40 [ 236.545421][ T7080] dump_stack_lvl+0xf8/0x160 [ 236.546064][ T7080] dump_stack+0x1c/0x5c [ 236.546661][ T7080] sysfs_create_dir_ns+0x22c/0x24c [ 236.547403][ T7080] kobject_add_internal+0x590/0xc54 [ 236.548161][ T7080] kobject_init_and_add+0x118/0x17c [ 236.548798][ T7080] gfs2_sys_fs_add+0x1dc/0x3d8 [ 236.549449][ T7080] gfs2_fill_super+0xdac/0x19e0 [ 236.550115][ T7080] get_tree_bdev+0x358/0x544 [ 236.550806][ T7080] gfs2_get_tree+0x54/0x1b4 [ 236.551452][ T7080] vfs_get_tree+0x90/0x274 [ 236.552147][ T7080] do_new_mount+0x228/0x810 [ 236.552859][ T7080] path_mount+0x5b4/0x1000 [ 236.553492][ T7080] __arm64_sys_mount+0x514/0x5e4 [ 236.554206][ T7080] invoke_syscall+0x98/0x2b8 [ 236.554851][ T7080] el0_svc_common+0x138/0x258 [ 236.555490][ T7080] do_el0_svc+0x58/0x14c [ 236.556112][ T7080] el0_svc+0x78/0x1e0 [ 236.556642][ T7080] el0t_64_sync_handler+0xcc/0xe4 [ 236.557340][ T7080] el0t_64_sync+0x1a0/0x1a4 [ 236.559658][ T7080] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.561578][ T7080] gfs2: fsid=](_: error -17 adding sysfs files [ 236.653421][ T27] INFO: task syz-executor:4763 blocked for more than 143 seconds. [ 236.654618][ T27] Not tainted syzkaller #0 [ 236.655363][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.656583][ T27] task:syz-executor state:D stack: 0 pid: 4763 ppid: 1 flags:0x00000001 [ 236.657834][ T27] Call trace: [ 236.658260][ T27] __switch_to+0x2f4/0x558 [ 236.658872][ T27] __schedule+0xe08/0x1bf8 [ 236.659508][ T27] schedule+0x11c/0x1c8 [ 236.660485][ T27] bit_wait+0x1c/0xac [ 236.661054][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 236.661837][ T27] gfs2_glock_nq+0x8f8/0x141c [ 236.662554][ T27] __gfs2_lookup+0x110/0x268 [ 236.663199][ T27] gfs2_lookup+0x2c/0x3c [ 236.664532][ T27] __lookup_slow+0x24c/0x380 [ 236.665133][ T27] lookup_slow+0x5c/0x80 [ 236.665663][ T27] walk_component+0x2b0/0x3a8 [ 236.666296][ T27] path_lookupat+0x13c/0x3d0 [ 236.666939][ T27] filename_lookup+0x180/0x414 [ 236.667595][ T27] user_path_at_empty+0x5c/0x1a0 [ 236.668258][ T27] __arm64_sys_umount+0xf4/0x178 [ 236.668956][ T27] invoke_syscall+0x98/0x2b8 [ 236.669570][ T27] el0_svc_common+0x138/0x258 [ 236.670206][ T27] do_el0_svc+0x58/0x14c [ 236.670786][ T27] el0_svc+0x78/0x1e0 [ 236.671355][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 236.672089][ T27] el0t_64_sync+0x1a0/0x1a4 [ 236.672704][ T27] [ 236.672704][ T27] Showing all locks held in the system: [ 236.674609][ T27] 1 lock held by khungtaskd/27: [ 236.675327][ T27] #0: ffff800014361520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 236.676742][ T27] 2 locks held by getty/3806: [ 236.677376][ T27] #0: ffff0000d458c098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 236.678760][ T27] #1: ffff80001bd6e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 236.680352][ T27] 1 lock held by syz-executor/4763: [ 236.681148][ T27] #0: ffff0000de738818 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 236.682650][ T27] 3 locks held by syz.1.701/7083: [ 236.685003][ T27] [ 236.685367][ T27] ============================================= [ 236.685367][ T27] [ 236.686621][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 236.687573][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 236.688574][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 236.689980][ T27] Call trace: [ 236.690464][ T27] dump_backtrace+0x0/0x43c [ 236.691103][ T27] show_stack+0x2c/0x3c [ 236.691761][ T27] __dump_stack+0x30/0x40 [ 236.692442][ T27] dump_stack_lvl+0xf8/0x160 [ 236.693170][ T27] dump_stack+0x1c/0x5c [ 236.693783][ T27] panic+0x2e4/0x854 [ 236.694417][ T27] hung_task_panic+0x0/0x2c [ 236.695183][ T27] kthread+0x374/0x454 [ 236.695777][ T27] ret_from_fork+0x10/0x20 [ 236.696415][ T27] SMP: stopping secondary CPUs [ 236.696785][ T7083] loop1: detected capacity change from 0 to 32768 [ 236.697092][ T27] Kernel Offset: disabled [ 236.697103][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 236.697110][ T27] Memory Limit: none [ 237.055069][ T27] Rebooting in 86400 seconds..