7682][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 213.569496][ T360] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 213.571492][ T360] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 213.573105][ T360] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 213.574767][ T1609] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 1970/01/01 00:03:33 executed programs: 604 [ 213.710565][ T6844] loop1: detected capacity change from 0 to 32768 [ 213.718373][ T6844] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.719425][ T6844] CPU: 0 PID: 6844 Comm: syz.1.618 Not tainted syzkaller #0 [ 213.720499][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.722185][ T6844] Call trace: [ 213.722705][ T6844] dump_backtrace+0x0/0x43c [ 213.723423][ T6844] show_stack+0x2c/0x3c [ 213.724123][ T6844] __dump_stack+0x30/0x40 [ 213.724855][ T6844] dump_stack_lvl+0xf8/0x160 [ 213.725560][ T6844] dump_stack+0x1c/0x5c [ 213.726276][ T6844] sysfs_create_dir_ns+0x22c/0x24c [ 213.727166][ T6844] kobject_add_internal+0x590/0xc54 [ 213.728027][ T6844] kobject_init_and_add+0x118/0x17c [ 213.728834][ T6844] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.729606][ T6844] gfs2_fill_super+0xdac/0x19e0 [ 213.730352][ T6844] get_tree_bdev+0x358/0x544 [ 213.731048][ T6844] gfs2_get_tree+0x54/0x1b4 [ 213.731741][ T6844] vfs_get_tree+0x90/0x274 [ 213.732381][ T6844] do_new_mount+0x228/0x810 [ 213.733067][ T6844] path_mount+0x5b4/0x1000 [ 213.733707][ T6844] __arm64_sys_mount+0x514/0x5e4 [ 213.734464][ T6844] invoke_syscall+0x98/0x2b8 [ 213.735146][ T6844] el0_svc_common+0x138/0x258 [ 213.735901][ T6844] do_el0_svc+0x58/0x14c [ 213.736518][ T6844] el0_svc+0x78/0x1e0 [ 213.737087][ T6844] el0t_64_sync_handler+0xcc/0xe4 [ 213.737791][ T6844] el0t_64_sync+0x1a0/0x1a4 [ 213.739026][ T6844] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.740847][ T6844] gfs2: fsid=}: error -17 adding sysfs files [ 213.868010][ T6847] loop1: detected capacity change from 0 to 32768 [ 213.917140][ T6847] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.918225][ T6847] CPU: 1 PID: 6847 Comm: syz.1.619 Not tainted syzkaller #0 [ 213.919350][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.920792][ T6847] Call trace: [ 213.921223][ T6847] dump_backtrace+0x0/0x43c [ 213.921884][ T6847] show_stack+0x2c/0x3c [ 213.922555][ T6847] __dump_stack+0x30/0x40 [ 213.923229][ T6847] dump_stack_lvl+0xf8/0x160 [ 213.923961][ T6847] dump_stack+0x1c/0x5c [ 213.924555][ T6847] sysfs_create_dir_ns+0x22c/0x24c [ 213.925298][ T6847] kobject_add_internal+0x590/0xc54 [ 213.926046][ T6847] kobject_init_and_add+0x118/0x17c [ 213.926770][ T6847] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.927510][ T6847] gfs2_fill_super+0xdac/0x19e0 [ 213.928181][ T6847] get_tree_bdev+0x358/0x544 [ 213.928896][ T6847] gfs2_get_tree+0x54/0x1b4 [ 213.929579][ T6847] vfs_get_tree+0x90/0x274 [ 213.930222][ T6847] do_new_mount+0x228/0x810 [ 213.930909][ T6847] path_mount+0x5b4/0x1000 [ 213.931533][ T6847] __arm64_sys_mount+0x514/0x5e4 [ 213.932208][ T6847] invoke_syscall+0x98/0x2b8 [ 213.932879][ T6847] el0_svc_common+0x138/0x258 [ 213.933549][ T6847] do_el0_svc+0x58/0x14c [ 213.934176][ T6847] el0_svc+0x78/0x1e0 [ 213.934756][ T6847] el0t_64_sync_handler+0xcc/0xe4 [ 213.935470][ T6847] el0t_64_sync+0x1a0/0x1a4 [ 213.939682][ T6847] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.941889][ T6847] gfs2: fsid=}: error -17 adding sysfs files [ 214.085498][ T6850] loop1: detected capacity change from 0 to 32768 [ 214.126766][ T6850] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.127804][ T6850] CPU: 0 PID: 6850 Comm: syz.1.620 Not tainted syzkaller #0 [ 214.128893][ T6850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.130372][ T6850] Call trace: [ 214.130859][ T6850] dump_backtrace+0x0/0x43c [ 214.131533][ T6850] show_stack+0x2c/0x3c [ 214.132128][ T6850] __dump_stack+0x30/0x40 [ 214.132770][ T6850] dump_stack_lvl+0xf8/0x160 [ 214.133415][ T6850] dump_stack+0x1c/0x5c [ 214.134079][ T6850] sysfs_create_dir_ns+0x22c/0x24c [ 214.134821][ T6850] kobject_add_internal+0x590/0xc54 [ 214.135642][ T6850] kobject_init_and_add+0x118/0x17c [ 214.136478][ T6850] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.137196][ T6850] gfs2_fill_super+0xdac/0x19e0 [ 214.137902][ T6850] get_tree_bdev+0x358/0x544 [ 214.138617][ T6850] gfs2_get_tree+0x54/0x1b4 [ 214.139267][ T6850] vfs_get_tree+0x90/0x274 [ 214.140021][ T6850] do_new_mount+0x228/0x810 [ 214.140722][ T6850] path_mount+0x5b4/0x1000 [ 214.141338][ T6850] __arm64_sys_mount+0x514/0x5e4 [ 214.142051][ T6850] invoke_syscall+0x98/0x2b8 [ 214.142720][ T6850] el0_svc_common+0x138/0x258 [ 214.143414][ T6850] do_el0_svc+0x58/0x14c [ 214.144001][ T6850] el0_svc+0x78/0x1e0 [ 214.144595][ T6850] el0t_64_sync_handler+0xcc/0xe4 [ 214.145348][ T6850] el0t_64_sync+0x1a0/0x1a4 [ 214.147944][ T6850] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.149580][ T6850] gfs2: fsid=}: error -17 adding sysfs files [ 214.182413][ T4088] Bluetooth: hci2: command 0x0409 tx timeout [ 214.208713][ T136] device hsr_slave_0 left promiscuous mode [ 214.262649][ T136] device hsr_slave_1 left promiscuous mode [ 214.284992][ T6853] loop1: detected capacity change from 0 to 32768 [ 214.336724][ T6853] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.337858][ T6853] CPU: 0 PID: 6853 Comm: syz.1.621 Not tainted syzkaller #0 [ 214.339125][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.340703][ T6853] Call trace: [ 214.341172][ T6853] dump_backtrace+0x0/0x43c [ 214.341890][ T6853] show_stack+0x2c/0x3c [ 214.342593][ T6853] __dump_stack+0x30/0x40 [ 214.343216][ T6853] dump_stack_lvl+0xf8/0x160 [ 214.343890][ T6853] dump_stack+0x1c/0x5c [ 214.344504][ T6853] sysfs_create_dir_ns+0x22c/0x24c [ 214.345222][ T6853] kobject_add_internal+0x590/0xc54 [ 214.345967][ T6853] kobject_init_and_add+0x118/0x17c [ 214.346740][ T6853] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.347411][ T6853] gfs2_fill_super+0xdac/0x19e0 [ 214.348072][ T6853] get_tree_bdev+0x358/0x544 [ 214.348708][ T6853] gfs2_get_tree+0x54/0x1b4 [ 214.349359][ T6853] vfs_get_tree+0x90/0x274 [ 214.349994][ T6853] do_new_mount+0x228/0x810 [ 214.350616][ T6853] path_mount+0x5b4/0x1000 [ 214.351239][ T6853] __arm64_sys_mount+0x514/0x5e4 [ 214.351997][ T6853] invoke_syscall+0x98/0x2b8 [ 214.352749][ T6853] el0_svc_common+0x138/0x258 [ 214.353432][ T6853] do_el0_svc+0x58/0x14c [ 214.354089][ T6853] el0_svc+0x78/0x1e0 [ 214.354708][ T6853] el0t_64_sync_handler+0xcc/0xe4 [ 214.355433][ T6853] el0t_64_sync+0x1a0/0x1a4 [ 214.357743][ T6853] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.359655][ T6853] gfs2: fsid=}: error -17 adding sysfs files [ 214.362426][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 214.363584][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 214.365073][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 214.366112][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 214.367440][ T136] device bridge_slave_1 left promiscuous mode [ 214.368453][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 214.415787][ T136] device bridge_slave_0 left promiscuous mode [ 214.416912][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.489827][ T6856] loop1: detected capacity change from 0 to 32768 [ 214.497601][ T6856] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.498664][ T6856] CPU: 0 PID: 6856 Comm: syz.1.622 Not tainted syzkaller #0 [ 214.499724][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.501192][ T6856] Call trace: [ 214.501716][ T6856] dump_backtrace+0x0/0x43c [ 214.502390][ T6856] show_stack+0x2c/0x3c [ 214.502997][ T6856] __dump_stack+0x30/0x40 [ 214.503594][ T6856] dump_stack_lvl+0xf8/0x160 [ 214.504309][ T6856] dump_stack+0x1c/0x5c [ 214.504945][ T6856] sysfs_create_dir_ns+0x22c/0x24c [ 214.505681][ T6856] kobject_add_internal+0x590/0xc54 [ 214.506449][ T6856] kobject_init_and_add+0x118/0x17c [ 214.507308][ T6856] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.508064][ T6856] gfs2_fill_super+0xdac/0x19e0 [ 214.508802][ T6856] get_tree_bdev+0x358/0x544 [ 214.509502][ T6856] gfs2_get_tree+0x54/0x1b4 [ 214.510168][ T6856] vfs_get_tree+0x90/0x274 [ 214.510890][ T6856] do_new_mount+0x228/0x810 [ 214.511568][ T6856] path_mount+0x5b4/0x1000 [ 214.512233][ T6856] __arm64_sys_mount+0x514/0x5e4 [ 214.512949][ T6856] invoke_syscall+0x98/0x2b8 [ 214.513644][ T6856] el0_svc_common+0x138/0x258 [ 214.514306][ T6856] do_el0_svc+0x58/0x14c [ 214.514904][ T6856] el0_svc+0x78/0x1e0 [ 214.515553][ T6856] el0t_64_sync_handler+0xcc/0xe4 [ 214.516347][ T6856] el0t_64_sync+0x1a0/0x1a4 [ 214.519570][ T6856] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.521484][ T6856] gfs2: fsid=}: error -17 adding sysfs files [ 214.562282][ T136] device veth1_macvtap left promiscuous mode [ 214.563257][ T136] device veth0_macvtap left promiscuous mode [ 214.564249][ T136] device veth1_vlan left promiscuous mode [ 214.565180][ T136] device veth0_vlan left promiscuous mode [ 214.648439][ T6859] loop1: detected capacity change from 0 to 32768 [ 214.679173][ T6859] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.680300][ T6859] CPU: 0 PID: 6859 Comm: syz.1.623 Not tainted syzkaller #0 [ 214.681387][ T6859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.682994][ T6859] Call trace: [ 214.683511][ T6859] dump_backtrace+0x0/0x43c [ 214.684236][ T6859] show_stack+0x2c/0x3c [ 214.684904][ T6859] __dump_stack+0x30/0x40 [ 214.685626][ T6859] dump_stack_lvl+0xf8/0x160 [ 214.686401][ T6859] dump_stack+0x1c/0x5c [ 214.687068][ T6859] sysfs_create_dir_ns+0x22c/0x24c [ 214.687860][ T6859] kobject_add_internal+0x590/0xc54 [ 214.688726][ T6859] kobject_init_and_add+0x118/0x17c [ 214.689492][ T6859] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.690184][ T6859] gfs2_fill_super+0xdac/0x19e0 [ 214.690855][ T6859] get_tree_bdev+0x358/0x544 [ 214.691553][ T6859] gfs2_get_tree+0x54/0x1b4 [ 214.692180][ T6859] vfs_get_tree+0x90/0x274 [ 214.692828][ T6859] do_new_mount+0x228/0x810 [ 214.693454][ T6859] path_mount+0x5b4/0x1000 [ 214.694064][ T6859] __arm64_sys_mount+0x514/0x5e4 [ 214.694798][ T6859] invoke_syscall+0x98/0x2b8 [ 214.695506][ T6859] el0_svc_common+0x138/0x258 [ 214.696234][ T6859] do_el0_svc+0x58/0x14c [ 214.696902][ T6859] el0_svc+0x78/0x1e0 [ 214.697489][ T6859] el0t_64_sync_handler+0xcc/0xe4 [ 214.698247][ T6859] el0t_64_sync+0x1a0/0x1a4 [ 214.700446][ T6859] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.700848][ T136] team0 (unregistering): Port device team_slave_1 removed [ 214.702453][ T6859] gfs2: fsid=}: error -17 adding sysfs files [ 214.721465][ T136] team0 (unregistering): Port device team_slave_0 removed [ 214.727035][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 214.765523][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 214.830862][ T6862] loop1: detected capacity change from 0 to 32768 [ 214.845469][ T136] bond0 (unregistering): Released all slaves [ 214.866825][ T6862] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.867903][ T6862] CPU: 1 PID: 6862 Comm: syz.1.624 Not tainted syzkaller #0 [ 214.869069][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.870703][ T6862] Call trace: [ 214.871222][ T6862] dump_backtrace+0x0/0x43c [ 214.871951][ T6862] show_stack+0x2c/0x3c [ 214.872635][ T6862] __dump_stack+0x30/0x40 [ 214.873288][ T6862] dump_stack_lvl+0xf8/0x160 [ 214.874029][ T6862] dump_stack+0x1c/0x5c [ 214.874683][ T6862] sysfs_create_dir_ns+0x22c/0x24c [ 214.875492][ T6862] kobject_add_internal+0x590/0xc54 [ 214.876343][ T6862] kobject_init_and_add+0x118/0x17c [ 214.877133][ T6862] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.877874][ T6862] gfs2_fill_super+0xdac/0x19e0 [ 214.878583][ T6862] get_tree_bdev+0x358/0x544 [ 214.879259][ T6862] gfs2_get_tree+0x54/0x1b4 [ 214.879898][ T6862] vfs_get_tree+0x90/0x274 [ 214.880561][ T6862] do_new_mount+0x228/0x810 [ 214.881260][ T6862] path_mount+0x5b4/0x1000 [ 214.881891][ T6862] __arm64_sys_mount+0x514/0x5e4 [ 214.882633][ T6862] invoke_syscall+0x98/0x2b8 [ 214.883385][ T6862] el0_svc_common+0x138/0x258 [ 214.884185][ T6862] do_el0_svc+0x58/0x14c [ 214.884805][ T6862] el0_svc+0x78/0x1e0 [ 214.885389][ T6862] el0t_64_sync_handler+0xcc/0xe4 [ 214.886129][ T6862] el0t_64_sync+0x1a0/0x1a4 [ 214.887080][ T6862] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.888979][ T6862] gfs2: fsid=}: error -17 adding sysfs files [ 215.033484][ T6865] loop1: detected capacity change from 0 to 32768 [ 215.074508][ T6865] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.075611][ T6865] CPU: 1 PID: 6865 Comm: syz.1.625 Not tainted syzkaller #0 [ 215.076786][ T6865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.078403][ T6865] Call trace: [ 215.078905][ T6865] dump_backtrace+0x0/0x43c [ 215.079564][ T6865] show_stack+0x2c/0x3c [ 215.080202][ T6865] __dump_stack+0x30/0x40 [ 215.080856][ T6865] dump_stack_lvl+0xf8/0x160 [ 215.081527][ T6865] dump_stack+0x1c/0x5c [ 215.082104][ T6865] sysfs_create_dir_ns+0x22c/0x24c [ 215.082852][ T6865] kobject_add_internal+0x590/0xc54 [ 215.083653][ T6865] kobject_init_and_add+0x118/0x17c [ 215.084441][ T6865] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.085175][ T6865] gfs2_fill_super+0xdac/0x19e0 [ 215.085885][ T6865] get_tree_bdev+0x358/0x544 [ 215.086563][ T6865] gfs2_get_tree+0x54/0x1b4 [ 215.087211][ T6865] vfs_get_tree+0x90/0x274 [ 215.087848][ T6865] do_new_mount+0x228/0x810 [ 215.088486][ T6865] path_mount+0x5b4/0x1000 [ 215.089177][ T6865] __arm64_sys_mount+0x514/0x5e4 [ 215.089901][ T6865] invoke_syscall+0x98/0x2b8 [ 215.090676][ T6865] el0_svc_common+0x138/0x258 [ 215.091429][ T6865] do_el0_svc+0x58/0x14c [ 215.092084][ T6865] el0_svc+0x78/0x1e0 [ 215.092662][ T6865] el0t_64_sync_handler+0xcc/0xe4 [ 215.093517][ T6865] el0t_64_sync+0x1a0/0x1a4 [ 215.095856][ T6865] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.097787][ T6865] gfs2: fsid=}: error -17 adding sysfs files [ 215.231283][ T6868] loop1: detected capacity change from 0 to 32768 [ 215.238959][ T6868] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.240074][ T6868] CPU: 1 PID: 6868 Comm: syz.1.626 Not tainted syzkaller #0 [ 215.241224][ T6868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.242823][ T6868] Call trace: [ 215.243292][ T6868] dump_backtrace+0x0/0x43c [ 215.243983][ T6868] show_stack+0x2c/0x3c [ 215.244657][ T6868] __dump_stack+0x30/0x40 [ 215.245382][ T6868] dump_stack_lvl+0xf8/0x160 [ 215.246127][ T6868] dump_stack+0x1c/0x5c [ 215.246805][ T6868] sysfs_create_dir_ns+0x22c/0x24c [ 215.247548][ T6868] kobject_add_internal+0x590/0xc54 [ 215.248366][ T6868] kobject_init_and_add+0x118/0x17c [ 215.249160][ T6868] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.249918][ T6868] gfs2_fill_super+0xdac/0x19e0 [ 215.250649][ T6868] get_tree_bdev+0x358/0x544 [ 215.251369][ T6868] gfs2_get_tree+0x54/0x1b4 [ 215.252071][ T6868] vfs_get_tree+0x90/0x274 [ 215.252766][ T6868] do_new_mount+0x228/0x810 [ 215.253397][ T6868] path_mount+0x5b4/0x1000 [ 215.254064][ T6868] __arm64_sys_mount+0x514/0x5e4 [ 215.254803][ T6868] invoke_syscall+0x98/0x2b8 [ 215.255491][ T6868] el0_svc_common+0x138/0x258 [ 215.256155][ T6868] do_el0_svc+0x58/0x14c [ 215.256741][ T6868] el0_svc+0x78/0x1e0 [ 215.257297][ T6868] el0t_64_sync_handler+0xcc/0xe4 [ 215.258000][ T6868] el0t_64_sync+0x1a0/0x1a4 [ 215.260060][ T6868] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.261944][ T6868] gfs2: fsid=}: error -17 adding sysfs files [ 215.389377][ T6871] loop1: detected capacity change from 0 to 32768 [ 215.398372][ T6871] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.399651][ T6871] CPU: 0 PID: 6871 Comm: syz.1.627 Not tainted syzkaller #0 [ 215.400693][ T6871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.402288][ T6871] Call trace: [ 215.402816][ T6871] dump_backtrace+0x0/0x43c [ 215.403566][ T6871] show_stack+0x2c/0x3c [ 215.404194][ T6871] __dump_stack+0x30/0x40 [ 215.404845][ T6871] dump_stack_lvl+0xf8/0x160 [ 215.405606][ T6871] dump_stack+0x1c/0x5c [ 215.406234][ T6871] sysfs_create_dir_ns+0x22c/0x24c [ 215.407084][ T6871] kobject_add_internal+0x590/0xc54 [ 215.407837][ T6871] kobject_init_and_add+0x118/0x17c [ 215.408601][ T6871] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.409344][ T6871] gfs2_fill_super+0xdac/0x19e0 [ 215.410116][ T6871] get_tree_bdev+0x358/0x544 [ 215.410796][ T6871] gfs2_get_tree+0x54/0x1b4 [ 215.411496][ T6871] vfs_get_tree+0x90/0x274 [ 215.412137][ T6871] do_new_mount+0x228/0x810 [ 215.412822][ T6871] path_mount+0x5b4/0x1000 [ 215.413506][ T6871] __arm64_sys_mount+0x514/0x5e4 [ 215.414179][ T6871] invoke_syscall+0x98/0x2b8 [ 215.414839][ T6871] el0_svc_common+0x138/0x258 [ 215.415548][ T6871] do_el0_svc+0x58/0x14c [ 215.416172][ T6871] el0_svc+0x78/0x1e0 [ 215.416792][ T6871] el0t_64_sync_handler+0xcc/0xe4 [ 215.417640][ T6871] el0t_64_sync+0x1a0/0x1a4 [ 215.420091][ T6871] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.422038][ T6871] gfs2: fsid=}: error -17 adding sysfs files [ 215.546269][ T6874] loop1: detected capacity change from 0 to 32768 [ 215.593141][ T6874] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.594220][ T6874] CPU: 0 PID: 6874 Comm: syz.1.628 Not tainted syzkaller #0 [ 215.595368][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.596839][ T6874] Call trace: [ 215.597353][ T6874] dump_backtrace+0x0/0x43c [ 215.597963][ T6874] show_stack+0x2c/0x3c [ 215.598604][ T6874] __dump_stack+0x30/0x40 [ 215.599271][ T6874] dump_stack_lvl+0xf8/0x160 [ 215.599922][ T6874] dump_stack+0x1c/0x5c [ 215.600573][ T6874] sysfs_create_dir_ns+0x22c/0x24c [ 215.601380][ T6874] kobject_add_internal+0x590/0xc54 [ 215.602124][ T6874] kobject_init_and_add+0x118/0x17c [ 215.602876][ T6874] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.603584][ T6874] gfs2_fill_super+0xdac/0x19e0 [ 215.604412][ T6874] get_tree_bdev+0x358/0x544 [ 215.605156][ T6874] gfs2_get_tree+0x54/0x1b4 [ 215.605861][ T6874] vfs_get_tree+0x90/0x274 [ 215.606519][ T6874] do_new_mount+0x228/0x810 [ 215.607323][ T6874] path_mount+0x5b4/0x1000 [ 215.608041][ T6874] __arm64_sys_mount+0x514/0x5e4 [ 215.608848][ T6874] invoke_syscall+0x98/0x2b8 [ 215.609581][ T6874] el0_svc_common+0x138/0x258 [ 215.610336][ T6874] do_el0_svc+0x58/0x14c [ 215.611068][ T6874] el0_svc+0x78/0x1e0 [ 215.611735][ T6874] el0t_64_sync_handler+0xcc/0xe4 [ 215.612613][ T6874] el0t_64_sync+0x1a0/0x1a4 [ 215.615020][ T6874] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.617087][ T6874] gfs2: fsid=}: error -17 adding sysfs files [ 215.747877][ T6877] loop1: detected capacity change from 0 to 32768 [ 215.836610][ T6877] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.837697][ T6877] CPU: 1 PID: 6877 Comm: syz.1.629 Not tainted syzkaller #0 [ 215.838869][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.840461][ T6877] Call trace: [ 215.840971][ T6877] dump_backtrace+0x0/0x43c [ 215.841623][ T6877] show_stack+0x2c/0x3c [ 215.842258][ T6877] __dump_stack+0x30/0x40 [ 215.842957][ T6877] dump_stack_lvl+0xf8/0x160 [ 215.843769][ T6877] dump_stack+0x1c/0x5c [ 215.844377][ T6877] sysfs_create_dir_ns+0x22c/0x24c [ 215.845164][ T6877] kobject_add_internal+0x590/0xc54 [ 215.845867][ T6877] kobject_init_and_add+0x118/0x17c [ 215.846706][ T6877] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.847393][ T6877] gfs2_fill_super+0xdac/0x19e0 [ 215.848183][ T6877] get_tree_bdev+0x358/0x544 [ 215.848936][ T6877] gfs2_get_tree+0x54/0x1b4 [ 215.849634][ T6877] vfs_get_tree+0x90/0x274 [ 215.850273][ T6877] do_new_mount+0x228/0x810 [ 215.851027][ T6877] path_mount+0x5b4/0x1000 [ 215.851768][ T6877] __arm64_sys_mount+0x514/0x5e4 [ 215.852582][ T6877] invoke_syscall+0x98/0x2b8 [ 215.853364][ T6877] el0_svc_common+0x138/0x258 [ 215.854067][ T6877] do_el0_svc+0x58/0x14c [ 215.854718][ T6877] el0_svc+0x78/0x1e0 [ 215.855334][ T6877] el0t_64_sync_handler+0xcc/0xe4 [ 215.856002][ T6877] el0t_64_sync+0x1a0/0x1a4 [ 215.857816][ T6877] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.859650][ T6877] gfs2: fsid=}: error -17 adding sysfs files [ 216.006438][ T6880] loop1: detected capacity change from 0 to 32768 [ 216.010468][ T6880] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.011571][ T6880] CPU: 1 PID: 6880 Comm: syz.1.630 Not tainted syzkaller #0 [ 216.012764][ T6880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.014477][ T6880] Call trace: [ 216.015004][ T6880] dump_backtrace+0x0/0x43c [ 216.015700][ T6880] show_stack+0x2c/0x3c [ 216.016337][ T6880] __dump_stack+0x30/0x40 [ 216.016987][ T6880] dump_stack_lvl+0xf8/0x160 [ 216.017689][ T6880] dump_stack+0x1c/0x5c [ 216.018359][ T6880] sysfs_create_dir_ns+0x22c/0x24c [ 216.019045][ T6880] kobject_add_internal+0x590/0xc54 [ 216.019844][ T6880] kobject_init_and_add+0x118/0x17c [ 216.020675][ T6880] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.021383][ T6880] gfs2_fill_super+0xdac/0x19e0 [ 216.022096][ T6880] get_tree_bdev+0x358/0x544 [ 216.022846][ T6880] gfs2_get_tree+0x54/0x1b4 [ 216.023619][ T6880] vfs_get_tree+0x90/0x274 [ 216.024381][ T6880] do_new_mount+0x228/0x810 [ 216.025073][ T6880] path_mount+0x5b4/0x1000 [ 216.025756][ T6880] __arm64_sys_mount+0x514/0x5e4 [ 216.026585][ T6880] invoke_syscall+0x98/0x2b8 [ 216.027285][ T6880] el0_svc_common+0x138/0x258 [ 216.028034][ T6880] do_el0_svc+0x58/0x14c [ 216.028682][ T6880] el0_svc+0x78/0x1e0 [ 216.029323][ T6880] el0t_64_sync_handler+0xcc/0xe4 [ 216.030137][ T6880] el0t_64_sync+0x1a0/0x1a4 [ 216.044458][ T6880] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.046353][ T6880] gfs2: fsid=}: error -17 adding sysfs files [ 216.253432][ T6883] loop1: detected capacity change from 0 to 32768 [ 216.262200][ T4088] Bluetooth: hci2: command 0x041b tx timeout [ 216.366429][ T6883] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.367856][ T6883] CPU: 1 PID: 6883 Comm: syz.1.631 Not tainted syzkaller #0 [ 216.369032][ T6883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.370644][ T6883] Call trace: [ 216.371138][ T6883] dump_backtrace+0x0/0x43c [ 216.371769][ T6883] show_stack+0x2c/0x3c [ 216.372417][ T6883] __dump_stack+0x30/0x40 [ 216.373046][ T6883] dump_stack_lvl+0xf8/0x160 [ 216.373804][ T6883] dump_stack+0x1c/0x5c [ 216.374456][ T6883] sysfs_create_dir_ns+0x22c/0x24c [ 216.375286][ T6883] kobject_add_internal+0x590/0xc54 [ 216.376007][ T6883] kobject_init_and_add+0x118/0x17c [ 216.376824][ T6883] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.377506][ T6883] gfs2_fill_super+0xdac/0x19e0 [ 216.378251][ T6883] get_tree_bdev+0x358/0x544 [ 216.378982][ T6883] gfs2_get_tree+0x54/0x1b4 [ 216.379671][ T6883] vfs_get_tree+0x90/0x274 [ 216.380376][ T6883] do_new_mount+0x228/0x810 [ 216.381095][ T6883] path_mount+0x5b4/0x1000 [ 216.381784][ T6883] __arm64_sys_mount+0x514/0x5e4 [ 216.382490][ T6883] invoke_syscall+0x98/0x2b8 [ 216.383159][ T6883] el0_svc_common+0x138/0x258 [ 216.383859][ T6883] do_el0_svc+0x58/0x14c [ 216.384516][ T6883] el0_svc+0x78/0x1e0 [ 216.385119][ T6883] el0t_64_sync_handler+0xcc/0xe4 [ 216.385831][ T6883] el0t_64_sync+0x1a0/0x1a4 [ 216.387875][ T6883] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.389705][ T6883] gfs2: fsid=}: error -17 adding sysfs files [ 216.515473][ T6886] loop1: detected capacity change from 0 to 32768 [ 216.596863][ T6886] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.597995][ T6886] CPU: 0 PID: 6886 Comm: syz.1.632 Not tainted syzkaller #0 [ 216.599147][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.600783][ T6886] Call trace: [ 216.601330][ T6886] dump_backtrace+0x0/0x43c [ 216.602176][ T6886] show_stack+0x2c/0x3c [ 216.602927][ T6886] __dump_stack+0x30/0x40 [ 216.603701][ T6886] dump_stack_lvl+0xf8/0x160 [ 216.604449][ T6886] dump_stack+0x1c/0x5c [ 216.605143][ T6886] sysfs_create_dir_ns+0x22c/0x24c [ 216.605983][ T6886] kobject_add_internal+0x590/0xc54 [ 216.606854][ T6886] kobject_init_and_add+0x118/0x17c [ 216.607720][ T6886] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.608455][ T6886] gfs2_fill_super+0xdac/0x19e0 [ 216.609272][ T6886] get_tree_bdev+0x358/0x544 [ 216.609976][ T6886] gfs2_get_tree+0x54/0x1b4 [ 216.610632][ T6886] vfs_get_tree+0x90/0x274 [ 216.611335][ T6886] do_new_mount+0x228/0x810 [ 216.612071][ T6886] path_mount+0x5b4/0x1000 [ 216.612744][ T6886] __arm64_sys_mount+0x514/0x5e4 [ 216.613506][ T6886] invoke_syscall+0x98/0x2b8 [ 216.614180][ T6886] el0_svc_common+0x138/0x258 [ 216.614993][ T6886] do_el0_svc+0x58/0x14c [ 216.615675][ T6886] el0_svc+0x78/0x1e0 [ 216.616341][ T6886] el0t_64_sync_handler+0xcc/0xe4 [ 216.617178][ T6886] el0t_64_sync+0x1a0/0x1a4 [ 216.618747][ T6886] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.620535][ T6886] gfs2: fsid=}: error -17 adding sysfs files [ 216.750661][ T6889] loop1: detected capacity change from 0 to 32768 [ 216.788506][ T6889] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.789605][ T6889] CPU: 0 PID: 6889 Comm: syz.1.633 Not tainted syzkaller #0 [ 216.790781][ T6889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.792263][ T6889] Call trace: [ 216.792776][ T6889] dump_backtrace+0x0/0x43c [ 216.793496][ T6889] show_stack+0x2c/0x3c [ 216.794130][ T6889] __dump_stack+0x30/0x40 [ 216.794776][ T6889] dump_stack_lvl+0xf8/0x160 [ 216.795478][ T6889] dump_stack+0x1c/0x5c [ 216.796053][ T6889] sysfs_create_dir_ns+0x22c/0x24c [ 216.796798][ T6889] kobject_add_internal+0x590/0xc54 [ 216.797540][ T6889] kobject_init_and_add+0x118/0x17c [ 216.798307][ T6889] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.798974][ T6889] gfs2_fill_super+0xdac/0x19e0 [ 216.799756][ T6889] get_tree_bdev+0x358/0x544 [ 216.800471][ T6889] gfs2_get_tree+0x54/0x1b4 [ 216.801142][ T6889] vfs_get_tree+0x90/0x274 [ 216.801793][ T6889] do_new_mount+0x228/0x810 [ 216.802517][ T6889] path_mount+0x5b4/0x1000 [ 216.803243][ T6889] __arm64_sys_mount+0x514/0x5e4 [ 216.804048][ T6889] invoke_syscall+0x98/0x2b8 [ 216.804787][ T6889] el0_svc_common+0x138/0x258 [ 216.805536][ T6889] do_el0_svc+0x58/0x14c [ 216.806181][ T6889] el0_svc+0x78/0x1e0 [ 216.806821][ T6889] el0t_64_sync_handler+0xcc/0xe4 [ 216.807719][ T6889] el0t_64_sync+0x1a0/0x1a4 [ 216.809720][ T6889] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.811731][ T6889] gfs2: fsid=}: error -17 adding sysfs files [ 216.938868][ T6892] loop1: detected capacity change from 0 to 32768 [ 216.945757][ T6892] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.946867][ T6892] CPU: 1 PID: 6892 Comm: syz.1.634 Not tainted syzkaller #0 [ 216.948114][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.949748][ T6892] Call trace: [ 216.950266][ T6892] dump_backtrace+0x0/0x43c [ 216.950955][ T6892] show_stack+0x2c/0x3c [ 216.951571][ T6892] __dump_stack+0x30/0x40 [ 216.952209][ T6892] dump_stack_lvl+0xf8/0x160 [ 216.952894][ T6892] dump_stack+0x1c/0x5c [ 216.953518][ T6892] sysfs_create_dir_ns+0x22c/0x24c [ 216.954295][ T6892] kobject_add_internal+0x590/0xc54 [ 216.955063][ T6892] kobject_init_and_add+0x118/0x17c [ 216.955819][ T6892] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.956484][ T6892] gfs2_fill_super+0xdac/0x19e0 [ 216.957217][ T6892] get_tree_bdev+0x358/0x544 [ 216.957937][ T6892] gfs2_get_tree+0x54/0x1b4 [ 216.958602][ T6892] vfs_get_tree+0x90/0x274 [ 216.959270][ T6892] do_new_mount+0x228/0x810 [ 216.959923][ T6892] path_mount+0x5b4/0x1000 [ 216.960578][ T6892] __arm64_sys_mount+0x514/0x5e4 [ 216.961321][ T6892] invoke_syscall+0x98/0x2b8 [ 216.962133][ T6892] el0_svc_common+0x138/0x258 [ 216.962896][ T6892] do_el0_svc+0x58/0x14c [ 216.963534][ T6892] el0_svc+0x78/0x1e0 [ 216.964130][ T6892] el0t_64_sync_handler+0xcc/0xe4 [ 216.964856][ T6892] el0t_64_sync+0x1a0/0x1a4 [ 216.966616][ T6892] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.968450][ T6892] gfs2: fsid=}: error -17 adding sysfs files [ 217.091945][ T6895] loop1: detected capacity change from 0 to 32768 [ 217.183116][ T6895] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.184420][ T6895] CPU: 0 PID: 6895 Comm: syz.1.635 Not tainted syzkaller #0 [ 217.185547][ T6895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.187169][ T6895] Call trace: [ 217.187691][ T6895] dump_backtrace+0x0/0x43c [ 217.188369][ T6895] show_stack+0x2c/0x3c [ 217.189018][ T6895] __dump_stack+0x30/0x40 [ 217.189693][ T6895] dump_stack_lvl+0xf8/0x160 [ 217.190345][ T6895] dump_stack+0x1c/0x5c [ 217.190981][ T6895] sysfs_create_dir_ns+0x22c/0x24c [ 217.191730][ T6895] kobject_add_internal+0x590/0xc54 [ 217.192511][ T6895] kobject_init_and_add+0x118/0x17c [ 217.193326][ T6895] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.194039][ T6895] gfs2_fill_super+0xdac/0x19e0 [ 217.194830][ T6895] get_tree_bdev+0x358/0x544 [ 217.195564][ T6895] gfs2_get_tree+0x54/0x1b4 [ 217.196237][ T6895] vfs_get_tree+0x90/0x274 [ 217.196909][ T6895] do_new_mount+0x228/0x810 [ 217.197591][ T6895] path_mount+0x5b4/0x1000 [ 217.198353][ T6895] __arm64_sys_mount+0x514/0x5e4 [ 217.199152][ T6895] invoke_syscall+0x98/0x2b8 [ 217.199845][ T6895] el0_svc_common+0x138/0x258 [ 217.200617][ T6895] do_el0_svc+0x58/0x14c [ 217.201273][ T6895] el0_svc+0x78/0x1e0 [ 217.201852][ T6895] el0t_64_sync_handler+0xcc/0xe4 [ 217.202641][ T6895] el0t_64_sync+0x1a0/0x1a4 [ 217.204903][ T6895] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.206875][ T6895] gfs2: fsid=}: error -17 adding sysfs files [ 217.334954][ T6898] loop1: detected capacity change from 0 to 32768 [ 217.341835][ T6898] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.343236][ T6898] CPU: 1 PID: 6898 Comm: syz.1.636 Not tainted syzkaller #0 [ 217.344374][ T6898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.345973][ T6898] Call trace: [ 217.346514][ T6898] dump_backtrace+0x0/0x43c [ 217.347217][ T6898] show_stack+0x2c/0x3c [ 217.347815][ T6898] __dump_stack+0x30/0x40 [ 217.348459][ T6898] dump_stack_lvl+0xf8/0x160 [ 217.349207][ T6898] dump_stack+0x1c/0x5c [ 217.349868][ T6898] sysfs_create_dir_ns+0x22c/0x24c [ 217.350639][ T6898] kobject_add_internal+0x590/0xc54 [ 217.351405][ T6898] kobject_init_and_add+0x118/0x17c [ 217.352143][ T6898] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.352810][ T6898] gfs2_fill_super+0xdac/0x19e0 [ 217.353574][ T6898] get_tree_bdev+0x358/0x544 [ 217.354318][ T6898] gfs2_get_tree+0x54/0x1b4 [ 217.355021][ T6898] vfs_get_tree+0x90/0x274 [ 217.355710][ T6898] do_new_mount+0x228/0x810 [ 217.356459][ T6898] path_mount+0x5b4/0x1000 [ 217.357184][ T6898] __arm64_sys_mount+0x514/0x5e4 [ 217.357945][ T6898] invoke_syscall+0x98/0x2b8 [ 217.358622][ T6898] el0_svc_common+0x138/0x258 [ 217.359408][ T6898] do_el0_svc+0x58/0x14c [ 217.360098][ T6898] el0_svc+0x78/0x1e0 [ 217.360726][ T6898] el0t_64_sync_handler+0xcc/0xe4 [ 217.361538][ T6898] el0t_64_sync+0x1a0/0x1a4 [ 217.363470][ T6898] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.365428][ T6898] gfs2: fsid=}: error -17 adding sysfs files [ 217.489290][ T6901] loop1: detected capacity change from 0 to 32768 [ 217.533269][ T6901] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.534326][ T6901] CPU: 1 PID: 6901 Comm: syz.1.637 Not tainted syzkaller #0 [ 217.535523][ T6901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.537147][ T6901] Call trace: [ 217.537652][ T6901] dump_backtrace+0x0/0x43c [ 217.538388][ T6901] show_stack+0x2c/0x3c [ 217.539060][ T6901] __dump_stack+0x30/0x40 [ 217.539736][ T6901] dump_stack_lvl+0xf8/0x160 [ 217.540440][ T6901] dump_stack+0x1c/0x5c [ 217.541109][ T6901] sysfs_create_dir_ns+0x22c/0x24c [ 217.541948][ T6901] kobject_add_internal+0x590/0xc54 [ 217.542803][ T6901] kobject_init_and_add+0x118/0x17c [ 217.543688][ T6901] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.544485][ T6901] gfs2_fill_super+0xdac/0x19e0 [ 217.545274][ T6901] get_tree_bdev+0x358/0x544 [ 217.545946][ T6901] gfs2_get_tree+0x54/0x1b4 [ 217.546590][ T6901] vfs_get_tree+0x90/0x274 [ 217.547278][ T6901] do_new_mount+0x228/0x810 [ 217.547955][ T6901] path_mount+0x5b4/0x1000 [ 217.548616][ T6901] __arm64_sys_mount+0x514/0x5e4 [ 217.549427][ T6901] invoke_syscall+0x98/0x2b8 [ 217.550186][ T6901] el0_svc_common+0x138/0x258 [ 217.550892][ T6901] do_el0_svc+0x58/0x14c [ 217.551553][ T6901] el0_svc+0x78/0x1e0 [ 217.552096][ T6901] el0t_64_sync_handler+0xcc/0xe4 [ 217.552915][ T6901] el0t_64_sync+0x1a0/0x1a4 [ 217.555457][ T6901] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.557274][ T6901] gfs2: fsid=}: error -17 adding sysfs files [ 217.681122][ T6904] loop1: detected capacity change from 0 to 32768 [ 217.736085][ T6904] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.737070][ T6904] CPU: 1 PID: 6904 Comm: syz.1.638 Not tainted syzkaller #0 [ 217.738168][ T6904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.739630][ T6904] Call trace: [ 217.740115][ T6904] dump_backtrace+0x0/0x43c [ 217.740775][ T6904] show_stack+0x2c/0x3c [ 217.741423][ T6904] __dump_stack+0x30/0x40 [ 217.742058][ T6904] dump_stack_lvl+0xf8/0x160 [ 217.742881][ T6904] dump_stack+0x1c/0x5c [ 217.743601][ T6904] sysfs_create_dir_ns+0x22c/0x24c [ 217.744457][ T6904] kobject_add_internal+0x590/0xc54 [ 217.745292][ T6904] kobject_init_and_add+0x118/0x17c [ 217.746173][ T6904] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.746942][ T6904] gfs2_fill_super+0xdac/0x19e0 [ 217.747797][ T6904] get_tree_bdev+0x358/0x544 [ 217.748596][ T6904] gfs2_get_tree+0x54/0x1b4 [ 217.749369][ T6904] vfs_get_tree+0x90/0x274 [ 217.750095][ T6904] do_new_mount+0x228/0x810 [ 217.750853][ T6904] path_mount+0x5b4/0x1000 [ 217.751559][ T6904] __arm64_sys_mount+0x514/0x5e4 [ 217.752345][ T6904] invoke_syscall+0x98/0x2b8 [ 217.753113][ T6904] el0_svc_common+0x138/0x258 [ 217.753870][ T6904] do_el0_svc+0x58/0x14c [ 217.754561][ T6904] el0_svc+0x78/0x1e0 [ 217.755178][ T6904] el0t_64_sync_handler+0xcc/0xe4 [ 217.755899][ T6904] el0t_64_sync+0x1a0/0x1a4 [ 217.757922][ T6904] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.759792][ T6904] gfs2: fsid=}: error -17 adding sysfs files [ 217.884696][ T6907] loop1: detected capacity change from 0 to 32768 [ 217.923325][ T6907] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.924464][ T6907] CPU: 1 PID: 6907 Comm: syz.1.639 Not tainted syzkaller #0 [ 217.925632][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.927200][ T6907] Call trace: [ 217.927729][ T6907] dump_backtrace+0x0/0x43c [ 217.928379][ T6907] show_stack+0x2c/0x3c [ 217.928947][ T6907] __dump_stack+0x30/0x40 [ 217.929636][ T6907] dump_stack_lvl+0xf8/0x160 [ 217.930438][ T6907] dump_stack+0x1c/0x5c [ 217.931103][ T6907] sysfs_create_dir_ns+0x22c/0x24c [ 217.931901][ T6907] kobject_add_internal+0x590/0xc54 [ 217.932799][ T6907] kobject_init_and_add+0x118/0x17c [ 217.933690][ T6907] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.934448][ T6907] gfs2_fill_super+0xdac/0x19e0 [ 217.935184][ T6907] get_tree_bdev+0x358/0x544 [ 217.935937][ T6907] gfs2_get_tree+0x54/0x1b4 [ 217.936664][ T6907] vfs_get_tree+0x90/0x274 [ 217.937423][ T6907] do_new_mount+0x228/0x810 [ 217.938148][ T6907] path_mount+0x5b4/0x1000 [ 217.938847][ T6907] __arm64_sys_mount+0x514/0x5e4 [ 217.939611][ T6907] invoke_syscall+0x98/0x2b8 [ 217.940340][ T6907] el0_svc_common+0x138/0x258 [ 217.941090][ T6907] do_el0_svc+0x58/0x14c [ 217.941711][ T6907] el0_svc+0x78/0x1e0 [ 217.942352][ T6907] el0t_64_sync_handler+0xcc/0xe4 [ 217.943160][ T6907] el0t_64_sync+0x1a0/0x1a4 [ 217.945445][ T6907] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.947301][ T6907] gfs2: fsid=}: error -17 adding sysfs files [ 218.081858][ T6910] loop1: detected capacity change from 0 to 32768 [ 218.133388][ T6910] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.135461][ T6910] CPU: 0 PID: 6910 Comm: syz.1.640 Not tainted syzkaller #0 [ 218.136554][ T6910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.138218][ T6910] Call trace: [ 218.138747][ T6910] dump_backtrace+0x0/0x43c [ 218.139482][ T6910] show_stack+0x2c/0x3c [ 218.140161][ T6910] __dump_stack+0x30/0x40 [ 218.140812][ T6910] dump_stack_lvl+0xf8/0x160 [ 218.141596][ T6910] dump_stack+0x1c/0x5c [ 218.142276][ T6910] sysfs_create_dir_ns+0x22c/0x24c [ 218.143109][ T6910] kobject_add_internal+0x590/0xc54 [ 218.143929][ T6910] kobject_init_and_add+0x118/0x17c [ 218.144723][ T6910] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.145506][ T6910] gfs2_fill_super+0xdac/0x19e0 [ 218.146269][ T6910] get_tree_bdev+0x358/0x544 [ 218.147044][ T6910] gfs2_get_tree+0x54/0x1b4 [ 218.147731][ T6910] vfs_get_tree+0x90/0x274 [ 218.148437][ T6910] do_new_mount+0x228/0x810 [ 218.149190][ T6910] path_mount+0x5b4/0x1000 [ 218.149899][ T6910] __arm64_sys_mount+0x514/0x5e4 [ 218.150700][ T6910] invoke_syscall+0x98/0x2b8 [ 218.151355][ T6910] el0_svc_common+0x138/0x258 [ 218.152054][ T6910] do_el0_svc+0x58/0x14c [ 218.152654][ T6910] el0_svc+0x78/0x1e0 [ 218.153255][ T6910] el0t_64_sync_handler+0xcc/0xe4 [ 218.153953][ T6910] el0t_64_sync+0x1a0/0x1a4 [ 218.155250][ T6910] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.157180][ T6910] gfs2: fsid=}: error -17 adding sysfs files [ 218.285462][ T6913] loop1: detected capacity change from 0 to 32768 [ 218.323521][ T6913] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.324609][ T6913] CPU: 1 PID: 6913 Comm: syz.1.641 Not tainted syzkaller #0 [ 218.325639][ T6913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.327074][ T6913] Call trace: [ 218.327540][ T6913] dump_backtrace+0x0/0x43c [ 218.328236][ T6913] show_stack+0x2c/0x3c [ 218.328846][ T6913] __dump_stack+0x30/0x40 [ 218.329513][ T6913] dump_stack_lvl+0xf8/0x160 [ 218.330187][ T6913] dump_stack+0x1c/0x5c [ 218.330850][ T6913] sysfs_create_dir_ns+0x22c/0x24c [ 218.331653][ T6913] kobject_add_internal+0x590/0xc54 [ 218.332507][ T6913] kobject_init_and_add+0x118/0x17c [ 218.333291][ T6913] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.334040][ T6913] gfs2_fill_super+0xdac/0x19e0 [ 218.334803][ T6913] get_tree_bdev+0x358/0x544 [ 218.335507][ T6913] gfs2_get_tree+0x54/0x1b4 [ 218.336225][ T6913] vfs_get_tree+0x90/0x274 [ 218.336885][ T6913] do_new_mount+0x228/0x810 [ 218.337606][ T6913] path_mount+0x5b4/0x1000 [ 218.338271][ T6913] __arm64_sys_mount+0x514/0x5e4 [ 218.339025][ T6913] invoke_syscall+0x98/0x2b8 [ 218.339745][ T6913] el0_svc_common+0x138/0x258 [ 218.340417][ T6913] do_el0_svc+0x58/0x14c [ 218.341050][ T6913] el0_svc+0x78/0x1e0 [ 218.341669][ T6913] el0t_64_sync_handler+0xcc/0xe4 [ 218.342397][ T6913] el0t_64_sync+0x1a0/0x1a4 [ 218.344024][ T6913] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.345806][ T6913] gfs2: fsid=}: error -17 adding sysfs files [ 218.352508][ T4088] Bluetooth: hci2: command 0x040f tx timeout [ 218.479538][ T6916] loop1: detected capacity change from 0 to 32768 [ 218.486557][ T6916] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.487730][ T6916] CPU: 0 PID: 6916 Comm: syz.1.642 Not tainted syzkaller #0 [ 218.488871][ T6916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.490531][ T6916] Call trace: [ 218.491061][ T6916] dump_backtrace+0x0/0x43c [ 218.491799][ T6916] show_stack+0x2c/0x3c [ 218.492496][ T6916] __dump_stack+0x30/0x40 [ 218.493177][ T6916] dump_stack_lvl+0xf8/0x160 [ 218.493870][ T6916] dump_stack+0x1c/0x5c [ 218.494492][ T6916] sysfs_create_dir_ns+0x22c/0x24c [ 218.495306][ T6916] kobject_add_internal+0x590/0xc54 [ 218.496123][ T6916] kobject_init_and_add+0x118/0x17c [ 218.496891][ T6916] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.497591][ T6916] gfs2_fill_super+0xdac/0x19e0 [ 218.498252][ T6916] get_tree_bdev+0x358/0x544 [ 218.498922][ T6916] gfs2_get_tree+0x54/0x1b4 [ 218.499593][ T6916] vfs_get_tree+0x90/0x274 [ 218.500280][ T6916] do_new_mount+0x228/0x810 [ 218.501006][ T6916] path_mount+0x5b4/0x1000 [ 218.501730][ T6916] __arm64_sys_mount+0x514/0x5e4 [ 218.502461][ T6916] invoke_syscall+0x98/0x2b8 [ 218.503164][ T6916] el0_svc_common+0x138/0x258 [ 218.503903][ T6916] do_el0_svc+0x58/0x14c [ 218.504545][ T6916] el0_svc+0x78/0x1e0 [ 218.505150][ T6916] el0t_64_sync_handler+0xcc/0xe4 [ 218.505907][ T6916] el0t_64_sync+0x1a0/0x1a4 [ 218.506712][ T6916] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.508726][ T6916] gfs2: fsid=}: error -17 adding sysfs files [ 218.638635][ T6919] loop1: detected capacity change from 0 to 32768 [ 218.686604][ T6919] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.687651][ T6919] CPU: 0 PID: 6919 Comm: syz.1.643 Not tainted syzkaller #0 [ 218.688803][ T6919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.690252][ T6919] Call trace: [ 218.690732][ T6919] dump_backtrace+0x0/0x43c [ 218.691368][ T6919] show_stack+0x2c/0x3c [ 218.691934][ T6919] __dump_stack+0x30/0x40 [ 218.692567][ T6919] dump_stack_lvl+0xf8/0x160 [ 218.693259][ T6919] dump_stack+0x1c/0x5c [ 218.693830][ T6919] sysfs_create_dir_ns+0x22c/0x24c [ 218.694522][ T6919] kobject_add_internal+0x590/0xc54 [ 218.695278][ T6919] kobject_init_and_add+0x118/0x17c [ 218.696172][ T6919] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.696989][ T6919] gfs2_fill_super+0xdac/0x19e0 [ 218.697745][ T6919] get_tree_bdev+0x358/0x544 [ 218.698409][ T6919] gfs2_get_tree+0x54/0x1b4 [ 218.699047][ T6919] vfs_get_tree+0x90/0x274 [ 218.699756][ T6919] do_new_mount+0x228/0x810 [ 218.700488][ T6919] path_mount+0x5b4/0x1000 [ 218.701302][ T6919] __arm64_sys_mount+0x514/0x5e4 [ 218.702074][ T6919] invoke_syscall+0x98/0x2b8 [ 218.702869][ T6919] el0_svc_common+0x138/0x258 [ 218.703635][ T6919] do_el0_svc+0x58/0x14c [ 218.704318][ T6919] el0_svc+0x78/0x1e0 [ 218.704972][ T6919] el0t_64_sync_handler+0xcc/0xe4 [ 218.705725][ T6919] el0t_64_sync+0x1a0/0x1a4 [ 218.706978][ T6919] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.708890][ T6919] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:38 executed programs: 630 [ 218.834093][ T6922] loop1: detected capacity change from 0 to 32768 [ 218.927764][ T6922] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.928864][ T6922] CPU: 1 PID: 6922 Comm: syz.1.644 Not tainted syzkaller #0 [ 218.930048][ T6922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.931683][ T6922] Call trace: [ 218.932184][ T6922] dump_backtrace+0x0/0x43c [ 218.932907][ T6922] show_stack+0x2c/0x3c [ 218.933581][ T6922] __dump_stack+0x30/0x40 [ 218.934276][ T6922] dump_stack_lvl+0xf8/0x160 [ 218.935045][ T6922] dump_stack+0x1c/0x5c [ 218.935642][ T6922] sysfs_create_dir_ns+0x22c/0x24c [ 218.936348][ T6922] kobject_add_internal+0x590/0xc54 [ 218.937132][ T6922] kobject_init_and_add+0x118/0x17c [ 218.938023][ T6922] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.938741][ T6922] gfs2_fill_super+0xdac/0x19e0 [ 218.939472][ T6922] get_tree_bdev+0x358/0x544 [ 218.940191][ T6922] gfs2_get_tree+0x54/0x1b4 [ 218.940852][ T6922] vfs_get_tree+0x90/0x274 [ 218.941497][ T6922] do_new_mount+0x228/0x810 [ 218.942151][ T6922] path_mount+0x5b4/0x1000 [ 218.942858][ T6922] __arm64_sys_mount+0x514/0x5e4 [ 218.943608][ T6922] invoke_syscall+0x98/0x2b8 [ 218.944272][ T6922] el0_svc_common+0x138/0x258 [ 218.944975][ T6922] do_el0_svc+0x58/0x14c [ 218.945606][ T6922] el0_svc+0x78/0x1e0 [ 218.946249][ T6922] el0t_64_sync_handler+0xcc/0xe4 [ 218.946982][ T6922] el0t_64_sync+0x1a0/0x1a4 [ 218.949057][ T6922] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.950883][ T6922] gfs2: fsid=}: error -17 adding sysfs files [ 219.132544][ T6925] loop1: detected capacity change from 0 to 32768 [ 219.181295][ T6925] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.183893][ T6925] CPU: 0 PID: 6925 Comm: syz.1.645 Not tainted syzkaller #0 [ 219.184939][ T6925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.186377][ T6925] Call trace: [ 219.186846][ T6925] dump_backtrace+0x0/0x43c [ 219.187486][ T6925] show_stack+0x2c/0x3c [ 219.188136][ T6925] __dump_stack+0x30/0x40 [ 219.188788][ T6925] dump_stack_lvl+0xf8/0x160 [ 219.189503][ T6925] dump_stack+0x1c/0x5c [ 219.190095][ T6925] sysfs_create_dir_ns+0x22c/0x24c [ 219.190787][ T6925] kobject_add_internal+0x590/0xc54 [ 219.191529][ T6925] kobject_init_and_add+0x118/0x17c [ 219.192375][ T6925] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.193079][ T6925] gfs2_fill_super+0xdac/0x19e0 [ 219.193817][ T6925] get_tree_bdev+0x358/0x544 [ 219.194563][ T6925] gfs2_get_tree+0x54/0x1b4 [ 219.195218][ T6925] vfs_get_tree+0x90/0x274 [ 219.195910][ T6925] do_new_mount+0x228/0x810 [ 219.196627][ T6925] path_mount+0x5b4/0x1000 [ 219.197273][ T6925] __arm64_sys_mount+0x514/0x5e4 [ 219.198038][ T6925] invoke_syscall+0x98/0x2b8 [ 219.198714][ T6925] el0_svc_common+0x138/0x258 [ 219.199447][ T6925] do_el0_svc+0x58/0x14c [ 219.200110][ T6925] el0_svc+0x78/0x1e0 [ 219.200740][ T6925] el0t_64_sync_handler+0xcc/0xe4 [ 219.201593][ T6925] el0t_64_sync+0x1a0/0x1a4 [ 219.203681][ T6925] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.205507][ T6925] gfs2: fsid=}: error -17 adding sysfs files [ 219.331971][ T6928] loop1: detected capacity change from 0 to 32768 [ 219.339094][ T6928] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.340169][ T6928] CPU: 1 PID: 6928 Comm: syz.1.646 Not tainted syzkaller #0 [ 219.341301][ T6928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.342769][ T6928] Call trace: [ 219.343237][ T6928] dump_backtrace+0x0/0x43c [ 219.343856][ T6928] show_stack+0x2c/0x3c [ 219.344487][ T6928] __dump_stack+0x30/0x40 [ 219.345114][ T6928] dump_stack_lvl+0xf8/0x160 [ 219.345807][ T6928] dump_stack+0x1c/0x5c [ 219.346458][ T6928] sysfs_create_dir_ns+0x22c/0x24c [ 219.347298][ T6928] kobject_add_internal+0x590/0xc54 [ 219.348093][ T6928] kobject_init_and_add+0x118/0x17c [ 219.348988][ T6928] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.349749][ T6928] gfs2_fill_super+0xdac/0x19e0 [ 219.350563][ T6928] get_tree_bdev+0x358/0x544 [ 219.351293][ T6928] gfs2_get_tree+0x54/0x1b4 [ 219.351982][ T6928] vfs_get_tree+0x90/0x274 [ 219.352597][ T6928] do_new_mount+0x228/0x810 [ 219.353292][ T6928] path_mount+0x5b4/0x1000 [ 219.353882][ T6928] __arm64_sys_mount+0x514/0x5e4 [ 219.354571][ T6928] invoke_syscall+0x98/0x2b8 [ 219.355189][ T6928] el0_svc_common+0x138/0x258 [ 219.355881][ T6928] do_el0_svc+0x58/0x14c [ 219.356470][ T6928] el0_svc+0x78/0x1e0 [ 219.357009][ T6928] el0t_64_sync_handler+0xcc/0xe4 [ 219.357757][ T6928] el0t_64_sync+0x1a0/0x1a4 [ 219.359919][ T6928] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.361718][ T6928] gfs2: fsid=}: error -17 adding sysfs files [ 219.487977][ T6931] loop1: detected capacity change from 0 to 32768 [ 219.567464][ T6931] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.568741][ T6931] CPU: 0 PID: 6931 Comm: syz.1.647 Not tainted syzkaller #0 [ 219.569931][ T6931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.571401][ T6931] Call trace: [ 219.571888][ T6931] dump_backtrace+0x0/0x43c [ 219.572617][ T6931] show_stack+0x2c/0x3c [ 219.573304][ T6931] __dump_stack+0x30/0x40 [ 219.573970][ T6931] dump_stack_lvl+0xf8/0x160 [ 219.574712][ T6931] dump_stack+0x1c/0x5c [ 219.575334][ T6931] sysfs_create_dir_ns+0x22c/0x24c [ 219.576102][ T6931] kobject_add_internal+0x590/0xc54 [ 219.576850][ T6931] kobject_init_and_add+0x118/0x17c [ 219.577591][ T6931] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.578257][ T6931] gfs2_fill_super+0xdac/0x19e0 [ 219.578931][ T6931] get_tree_bdev+0x358/0x544 [ 219.579689][ T6931] gfs2_get_tree+0x54/0x1b4 [ 219.580359][ T6931] vfs_get_tree+0x90/0x274 [ 219.581041][ T6931] do_new_mount+0x228/0x810 [ 219.581726][ T6931] path_mount+0x5b4/0x1000 [ 219.582361][ T6931] __arm64_sys_mount+0x514/0x5e4 [ 219.583066][ T6931] invoke_syscall+0x98/0x2b8 [ 219.583754][ T6931] el0_svc_common+0x138/0x258 [ 219.584468][ T6931] do_el0_svc+0x58/0x14c [ 219.585165][ T6931] el0_svc+0x78/0x1e0 [ 219.585805][ T6931] el0t_64_sync_handler+0xcc/0xe4 [ 219.586574][ T6931] el0t_64_sync+0x1a0/0x1a4 [ 219.588671][ T6931] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.590623][ T6931] gfs2: fsid=}: error -17 adding sysfs files [ 219.726472][ T6934] loop1: detected capacity change from 0 to 32768 [ 219.770276][ T6934] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.771299][ T6934] CPU: 1 PID: 6934 Comm: syz.1.648 Not tainted syzkaller #0 [ 219.772344][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.773972][ T6934] Call trace: [ 219.774481][ T6934] dump_backtrace+0x0/0x43c [ 219.775191][ T6934] show_stack+0x2c/0x3c [ 219.775901][ T6934] __dump_stack+0x30/0x40 [ 219.776648][ T6934] dump_stack_lvl+0xf8/0x160 [ 219.777431][ T6934] dump_stack+0x1c/0x5c [ 219.778092][ T6934] sysfs_create_dir_ns+0x22c/0x24c [ 219.778849][ T6934] kobject_add_internal+0x590/0xc54 [ 219.779621][ T6934] kobject_init_and_add+0x118/0x17c [ 219.780409][ T6934] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.781205][ T6934] gfs2_fill_super+0xdac/0x19e0 [ 219.781994][ T6934] get_tree_bdev+0x358/0x544 [ 219.782735][ T6934] gfs2_get_tree+0x54/0x1b4 [ 219.783464][ T6934] vfs_get_tree+0x90/0x274 [ 219.784199][ T6934] do_new_mount+0x228/0x810 [ 219.784968][ T6934] path_mount+0x5b4/0x1000 [ 219.785689][ T6934] __arm64_sys_mount+0x514/0x5e4 [ 219.786493][ T6934] invoke_syscall+0x98/0x2b8 [ 219.787215][ T6934] el0_svc_common+0x138/0x258 [ 219.787893][ T6934] do_el0_svc+0x58/0x14c [ 219.788527][ T6934] el0_svc+0x78/0x1e0 [ 219.789116][ T6934] el0t_64_sync_handler+0xcc/0xe4 [ 219.789849][ T6934] el0t_64_sync+0x1a0/0x1a4 [ 219.791012][ T6934] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.793037][ T6934] gfs2: fsid=}: error -17 adding sysfs files [ 219.928835][ T6937] loop1: detected capacity change from 0 to 32768 [ 219.973221][ T6937] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.974355][ T6937] CPU: 0 PID: 6937 Comm: syz.1.649 Not tainted syzkaller #0 [ 219.975424][ T6937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.976855][ T6937] Call trace: [ 219.977330][ T6937] dump_backtrace+0x0/0x43c [ 219.977985][ T6937] show_stack+0x2c/0x3c [ 219.978566][ T6937] __dump_stack+0x30/0x40 [ 219.979275][ T6937] dump_stack_lvl+0xf8/0x160 [ 219.980003][ T6937] dump_stack+0x1c/0x5c [ 219.980603][ T6937] sysfs_create_dir_ns+0x22c/0x24c [ 219.981345][ T6937] kobject_add_internal+0x590/0xc54 [ 219.982225][ T6937] kobject_init_and_add+0x118/0x17c [ 219.983026][ T6937] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.983731][ T6937] gfs2_fill_super+0xdac/0x19e0 [ 219.984460][ T6937] get_tree_bdev+0x358/0x544 [ 219.985084][ T6937] gfs2_get_tree+0x54/0x1b4 [ 219.985728][ T6937] vfs_get_tree+0x90/0x274 [ 219.986361][ T6937] do_new_mount+0x228/0x810 [ 219.986977][ T6937] path_mount+0x5b4/0x1000 [ 219.987646][ T6937] __arm64_sys_mount+0x514/0x5e4 [ 219.988378][ T6937] invoke_syscall+0x98/0x2b8 [ 219.989094][ T6937] el0_svc_common+0x138/0x258 [ 219.989786][ T6937] do_el0_svc+0x58/0x14c [ 219.990404][ T6937] el0_svc+0x78/0x1e0 [ 219.991008][ T6937] el0t_64_sync_handler+0xcc/0xe4 [ 219.991742][ T6937] el0t_64_sync+0x1a0/0x1a4 [ 219.993879][ T6937] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.995916][ T6937] gfs2: fsid=}: error -17 adding sysfs files [ 220.119247][ T6940] loop1: detected capacity change from 0 to 32768 [ 220.166386][ T6940] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.167482][ T6940] CPU: 1 PID: 6940 Comm: syz.1.650 Not tainted syzkaller #0 [ 220.168594][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.170256][ T6940] Call trace: [ 220.170760][ T6940] dump_backtrace+0x0/0x43c [ 220.171489][ T6940] show_stack+0x2c/0x3c [ 220.172166][ T6940] __dump_stack+0x30/0x40 [ 220.172849][ T6940] dump_stack_lvl+0xf8/0x160 [ 220.173551][ T6940] dump_stack+0x1c/0x5c [ 220.174204][ T6940] sysfs_create_dir_ns+0x22c/0x24c [ 220.174917][ T6940] kobject_add_internal+0x590/0xc54 [ 220.175662][ T6940] kobject_init_and_add+0x118/0x17c [ 220.176394][ T6940] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.177103][ T6940] gfs2_fill_super+0xdac/0x19e0 [ 220.177882][ T6940] get_tree_bdev+0x358/0x544 [ 220.178531][ T6940] gfs2_get_tree+0x54/0x1b4 [ 220.179128][ T6940] vfs_get_tree+0x90/0x274 [ 220.179747][ T6940] do_new_mount+0x228/0x810 [ 220.180391][ T6940] path_mount+0x5b4/0x1000 [ 220.181045][ T6940] __arm64_sys_mount+0x514/0x5e4 [ 220.181743][ T6940] invoke_syscall+0x98/0x2b8 [ 220.182402][ T6940] el0_svc_common+0x138/0x258 [ 220.183057][ T6940] do_el0_svc+0x58/0x14c [ 220.183753][ T6940] el0_svc+0x78/0x1e0 [ 220.184404][ T6940] el0t_64_sync_handler+0xcc/0xe4 [ 220.185148][ T6940] el0t_64_sync+0x1a0/0x1a4 [ 220.187548][ T6940] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.189465][ T6940] gfs2: fsid=}: error -17 adding sysfs files [ 220.319124][ T6943] loop1: detected capacity change from 0 to 32768 [ 220.367775][ T6943] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.368897][ T6943] CPU: 0 PID: 6943 Comm: syz.1.651 Not tainted syzkaller #0 [ 220.370064][ T6943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.371614][ T6943] Call trace: [ 220.372112][ T6943] dump_backtrace+0x0/0x43c [ 220.372882][ T6943] show_stack+0x2c/0x3c [ 220.373510][ T6943] __dump_stack+0x30/0x40 [ 220.374165][ T6943] dump_stack_lvl+0xf8/0x160 [ 220.374849][ T6943] dump_stack+0x1c/0x5c [ 220.375472][ T6943] sysfs_create_dir_ns+0x22c/0x24c [ 220.376258][ T6943] kobject_add_internal+0x590/0xc54 [ 220.377048][ T6943] kobject_init_and_add+0x118/0x17c [ 220.377806][ T6943] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.378485][ T6943] gfs2_fill_super+0xdac/0x19e0 [ 220.379177][ T6943] get_tree_bdev+0x358/0x544 [ 220.379849][ T6943] gfs2_get_tree+0x54/0x1b4 [ 220.380527][ T6943] vfs_get_tree+0x90/0x274 [ 220.381168][ T6943] do_new_mount+0x228/0x810 [ 220.381835][ T6943] path_mount+0x5b4/0x1000 [ 220.382482][ T6943] __arm64_sys_mount+0x514/0x5e4 [ 220.383223][ T6943] invoke_syscall+0x98/0x2b8 [ 220.383912][ T6943] el0_svc_common+0x138/0x258 [ 220.384591][ T6943] do_el0_svc+0x58/0x14c [ 220.385180][ T6943] el0_svc+0x78/0x1e0 [ 220.385761][ T6943] el0t_64_sync_handler+0xcc/0xe4 [ 220.386515][ T6943] el0t_64_sync+0x1a0/0x1a4 [ 220.387828][ T6943] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.389822][ T6943] gfs2: fsid=}: error -17 adding sysfs files [ 220.432228][ T4088] Bluetooth: hci2: command 0x0419 tx timeout [ 220.524119][ T6946] loop1: detected capacity change from 0 to 32768 [ 220.573681][ T6946] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.574828][ T6946] CPU: 0 PID: 6946 Comm: syz.1.652 Not tainted syzkaller #0 [ 220.575947][ T6946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.577478][ T6946] Call trace: [ 220.577995][ T6946] dump_backtrace+0x0/0x43c [ 220.578722][ T6946] show_stack+0x2c/0x3c [ 220.579326][ T6946] __dump_stack+0x30/0x40 [ 220.579965][ T6946] dump_stack_lvl+0xf8/0x160 [ 220.580714][ T6946] dump_stack+0x1c/0x5c [ 220.581338][ T6946] sysfs_create_dir_ns+0x22c/0x24c [ 220.582163][ T6946] kobject_add_internal+0x590/0xc54 [ 220.582952][ T6946] kobject_init_and_add+0x118/0x17c [ 220.583787][ T6946] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.584529][ T6946] gfs2_fill_super+0xdac/0x19e0 [ 220.585300][ T6946] get_tree_bdev+0x358/0x544 [ 220.586007][ T6946] gfs2_get_tree+0x54/0x1b4 [ 220.586726][ T6946] vfs_get_tree+0x90/0x274 [ 220.587420][ T6946] do_new_mount+0x228/0x810 [ 220.588109][ T6946] path_mount+0x5b4/0x1000 [ 220.588788][ T6946] __arm64_sys_mount+0x514/0x5e4 [ 220.589558][ T6946] invoke_syscall+0x98/0x2b8 [ 220.590259][ T6946] el0_svc_common+0x138/0x258 [ 220.590951][ T6946] do_el0_svc+0x58/0x14c [ 220.591569][ T6946] el0_svc+0x78/0x1e0 [ 220.592157][ T6946] el0t_64_sync_handler+0xcc/0xe4 [ 220.592992][ T6946] el0t_64_sync+0x1a0/0x1a4 [ 220.595223][ T6946] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.597146][ T6946] gfs2: fsid=}: error -17 adding sysfs files [ 220.722191][ T6949] loop1: detected capacity change from 0 to 32768 [ 220.763739][ T6949] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.764867][ T6949] CPU: 0 PID: 6949 Comm: syz.1.653 Not tainted syzkaller #0 [ 220.766005][ T6949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.767752][ T6949] Call trace: [ 220.768326][ T6949] dump_backtrace+0x0/0x43c [ 220.769040][ T6949] show_stack+0x2c/0x3c [ 220.769759][ T6949] __dump_stack+0x30/0x40 [ 220.770489][ T6949] dump_stack_lvl+0xf8/0x160 [ 220.771227][ T6949] dump_stack+0x1c/0x5c [ 220.771872][ T6949] sysfs_create_dir_ns+0x22c/0x24c [ 220.772643][ T6949] kobject_add_internal+0x590/0xc54 [ 220.773428][ T6949] kobject_init_and_add+0x118/0x17c [ 220.774249][ T6949] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.775007][ T6949] gfs2_fill_super+0xdac/0x19e0 [ 220.775754][ T6949] get_tree_bdev+0x358/0x544 [ 220.776506][ T6949] gfs2_get_tree+0x54/0x1b4 [ 220.777181][ T6949] vfs_get_tree+0x90/0x274 [ 220.777855][ T6949] do_new_mount+0x228/0x810 [ 220.778529][ T6949] path_mount+0x5b4/0x1000 [ 220.779147][ T6949] __arm64_sys_mount+0x514/0x5e4 [ 220.779829][ T6949] invoke_syscall+0x98/0x2b8 [ 220.780531][ T6949] el0_svc_common+0x138/0x258 [ 220.781267][ T6949] do_el0_svc+0x58/0x14c [ 220.781969][ T6949] el0_svc+0x78/0x1e0 [ 220.782646][ T6949] el0t_64_sync_handler+0xcc/0xe4 [ 220.783453][ T6949] el0t_64_sync+0x1a0/0x1a4 [ 220.784347][ T6949] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.786004][ T6949] gfs2: fsid=}: error -17 adding sysfs files [ 220.943411][ T6952] loop1: detected capacity change from 0 to 32768 [ 220.996465][ T6952] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.997652][ T6952] CPU: 1 PID: 6952 Comm: syz.1.654 Not tainted syzkaller #0 [ 220.998695][ T6952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.000258][ T6952] Call trace: [ 221.000730][ T6952] dump_backtrace+0x0/0x43c [ 221.001487][ T6952] show_stack+0x2c/0x3c [ 221.002149][ T6952] __dump_stack+0x30/0x40 [ 221.002807][ T6952] dump_stack_lvl+0xf8/0x160 [ 221.003586][ T6952] dump_stack+0x1c/0x5c [ 221.004271][ T6952] sysfs_create_dir_ns+0x22c/0x24c [ 221.005116][ T6952] kobject_add_internal+0x590/0xc54 [ 221.006003][ T6952] kobject_init_and_add+0x118/0x17c [ 221.006794][ T6952] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.007562][ T6952] gfs2_fill_super+0xdac/0x19e0 [ 221.008324][ T6952] get_tree_bdev+0x358/0x544 [ 221.009078][ T6952] gfs2_get_tree+0x54/0x1b4 [ 221.009818][ T6952] vfs_get_tree+0x90/0x274 [ 221.010505][ T6952] do_new_mount+0x228/0x810 [ 221.011237][ T6952] path_mount+0x5b4/0x1000 [ 221.011919][ T6952] __arm64_sys_mount+0x514/0x5e4 [ 221.012603][ T6952] invoke_syscall+0x98/0x2b8 [ 221.013295][ T6952] el0_svc_common+0x138/0x258 [ 221.013970][ T6952] do_el0_svc+0x58/0x14c [ 221.014586][ T6952] el0_svc+0x78/0x1e0 [ 221.015140][ T6952] el0t_64_sync_handler+0xcc/0xe4 [ 221.015898][ T6952] el0t_64_sync+0x1a0/0x1a4 [ 221.018041][ T6952] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.020003][ T6952] gfs2: fsid=}: error -17 adding sysfs files [ 221.145387][ T6955] loop1: detected capacity change from 0 to 32768 [ 221.194284][ T6955] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.195526][ T6955] CPU: 0 PID: 6955 Comm: syz.1.655 Not tainted syzkaller #0 [ 221.196735][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.198233][ T6955] Call trace: [ 221.198767][ T6955] dump_backtrace+0x0/0x43c [ 221.199394][ T6955] show_stack+0x2c/0x3c [ 221.199953][ T6955] __dump_stack+0x30/0x40 [ 221.200547][ T6955] dump_stack_lvl+0xf8/0x160 [ 221.201197][ T6955] dump_stack+0x1c/0x5c [ 221.201791][ T6955] sysfs_create_dir_ns+0x22c/0x24c [ 221.202526][ T6955] kobject_add_internal+0x590/0xc54 [ 221.203277][ T6955] kobject_init_and_add+0x118/0x17c [ 221.204039][ T6955] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.204753][ T6955] gfs2_fill_super+0xdac/0x19e0 [ 221.205505][ T6955] get_tree_bdev+0x358/0x544 [ 221.206131][ T6955] gfs2_get_tree+0x54/0x1b4 [ 221.206713][ T6955] vfs_get_tree+0x90/0x274 [ 221.207377][ T6955] do_new_mount+0x228/0x810 [ 221.208007][ T6955] path_mount+0x5b4/0x1000 [ 221.208601][ T6955] __arm64_sys_mount+0x514/0x5e4 [ 221.209302][ T6955] invoke_syscall+0x98/0x2b8 [ 221.209929][ T6955] el0_svc_common+0x138/0x258 [ 221.210600][ T6955] do_el0_svc+0x58/0x14c [ 221.211212][ T6955] el0_svc+0x78/0x1e0 [ 221.211756][ T6955] el0t_64_sync_handler+0xcc/0xe4 [ 221.212472][ T6955] el0t_64_sync+0x1a0/0x1a4 [ 221.213527][ T6955] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.215399][ T6955] gfs2: fsid=}: error -17 adding sysfs files [ 221.369534][ T6958] loop1: detected capacity change from 0 to 32768 [ 221.376571][ T6958] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.377684][ T6958] CPU: 1 PID: 6958 Comm: syz.1.656 Not tainted syzkaller #0 [ 221.378723][ T6958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.380169][ T6958] Call trace: [ 221.380646][ T6958] dump_backtrace+0x0/0x43c [ 221.381263][ T6958] show_stack+0x2c/0x3c [ 221.381823][ T6958] __dump_stack+0x30/0x40 [ 221.382415][ T6958] dump_stack_lvl+0xf8/0x160 [ 221.383101][ T6958] dump_stack+0x1c/0x5c [ 221.383717][ T6958] sysfs_create_dir_ns+0x22c/0x24c [ 221.384493][ T6958] kobject_add_internal+0x590/0xc54 [ 221.385256][ T6958] kobject_init_and_add+0x118/0x17c [ 221.386026][ T6958] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.386722][ T6958] gfs2_fill_super+0xdac/0x19e0 [ 221.387495][ T6958] get_tree_bdev+0x358/0x544 [ 221.388215][ T6958] gfs2_get_tree+0x54/0x1b4 [ 221.388895][ T6958] vfs_get_tree+0x90/0x274 [ 221.389630][ T6958] do_new_mount+0x228/0x810 [ 221.390398][ T6958] path_mount+0x5b4/0x1000 [ 221.391124][ T6958] __arm64_sys_mount+0x514/0x5e4 [ 221.391918][ T6958] invoke_syscall+0x98/0x2b8 [ 221.392630][ T6958] el0_svc_common+0x138/0x258 [ 221.393307][ T6958] do_el0_svc+0x58/0x14c [ 221.393931][ T6958] el0_svc+0x78/0x1e0 [ 221.394565][ T6958] el0t_64_sync_handler+0xcc/0xe4 [ 221.395392][ T6958] el0t_64_sync+0x1a0/0x1a4 [ 221.396753][ T6958] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.398704][ T6958] gfs2: fsid=}: error -17 adding sysfs files [ 221.528510][ T6961] loop1: detected capacity change from 0 to 32768 [ 221.532667][ T6961] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.533766][ T6961] CPU: 1 PID: 6961 Comm: syz.1.657 Not tainted syzkaller #0 [ 221.534925][ T6961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.536609][ T6961] Call trace: [ 221.537106][ T6961] dump_backtrace+0x0/0x43c [ 221.537824][ T6961] show_stack+0x2c/0x3c [ 221.538453][ T6961] __dump_stack+0x30/0x40 [ 221.539079][ T6961] dump_stack_lvl+0xf8/0x160 [ 221.539841][ T6961] dump_stack+0x1c/0x5c [ 221.540473][ T6961] sysfs_create_dir_ns+0x22c/0x24c [ 221.541202][ T6961] kobject_add_internal+0x590/0xc54 [ 221.541954][ T6961] kobject_init_and_add+0x118/0x17c [ 221.542728][ T6961] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.543416][ T6961] gfs2_fill_super+0xdac/0x19e0 [ 221.544116][ T6961] get_tree_bdev+0x358/0x544 [ 221.544822][ T6961] gfs2_get_tree+0x54/0x1b4 [ 221.545435][ T6961] vfs_get_tree+0x90/0x274 [ 221.546161][ T6961] do_new_mount+0x228/0x810 [ 221.546808][ T6961] path_mount+0x5b4/0x1000 [ 221.547481][ T6961] __arm64_sys_mount+0x514/0x5e4 [ 221.548282][ T6961] invoke_syscall+0x98/0x2b8 [ 221.548984][ T6961] el0_svc_common+0x138/0x258 [ 221.549685][ T6961] do_el0_svc+0x58/0x14c [ 221.550324][ T6961] el0_svc+0x78/0x1e0 [ 221.550954][ T6961] el0t_64_sync_handler+0xcc/0xe4 [ 221.551618][ T6961] el0t_64_sync+0x1a0/0x1a4 [ 221.553646][ T6961] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.555422][ T6961] gfs2: fsid=}: error -17 adding sysfs files [ 221.704123][ T6964] loop1: detected capacity change from 0 to 32768 [ 221.743127][ T6964] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.748433][ T6964] CPU: 0 PID: 6964 Comm: syz.1.658 Not tainted syzkaller #0 [ 221.749583][ T6964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.751097][ T6964] Call trace: [ 221.751566][ T6964] dump_backtrace+0x0/0x43c [ 221.752248][ T6964] show_stack+0x2c/0x3c [ 221.752896][ T6964] __dump_stack+0x30/0x40 [ 221.753595][ T6964] dump_stack_lvl+0xf8/0x160 [ 221.754276][ T6964] dump_stack+0x1c/0x5c [ 221.754909][ T6964] sysfs_create_dir_ns+0x22c/0x24c [ 221.755669][ T6964] kobject_add_internal+0x590/0xc54 [ 221.756474][ T6964] kobject_init_and_add+0x118/0x17c [ 221.757237][ T6964] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.758070][ T6964] gfs2_fill_super+0xdac/0x19e0 [ 221.758801][ T6964] get_tree_bdev+0x358/0x544 [ 221.759507][ T6964] gfs2_get_tree+0x54/0x1b4 [ 221.760211][ T6964] vfs_get_tree+0x90/0x274 [ 221.760903][ T6964] do_new_mount+0x228/0x810 [ 221.761641][ T6964] path_mount+0x5b4/0x1000 [ 221.762307][ T6964] __arm64_sys_mount+0x514/0x5e4 [ 221.763074][ T6964] invoke_syscall+0x98/0x2b8 [ 221.763818][ T6964] el0_svc_common+0x138/0x258 [ 221.764583][ T6964] do_el0_svc+0x58/0x14c [ 221.765284][ T6964] el0_svc+0x78/0x1e0 [ 221.765921][ T6964] el0t_64_sync_handler+0xcc/0xe4 [ 221.766740][ T6964] el0t_64_sync+0x1a0/0x1a4 [ 221.767948][ T6964] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.769977][ T6964] gfs2: fsid=}: error -17 adding sysfs files [ 221.895847][ T6967] loop1: detected capacity change from 0 to 32768 [ 221.943432][ T6967] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.944514][ T6967] CPU: 0 PID: 6967 Comm: syz.1.659 Not tainted syzkaller #0 [ 221.945639][ T6967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.947246][ T6967] Call trace: [ 221.947758][ T6967] dump_backtrace+0x0/0x43c [ 221.948524][ T6967] show_stack+0x2c/0x3c [ 221.949172][ T6967] __dump_stack+0x30/0x40 [ 221.949872][ T6967] dump_stack_lvl+0xf8/0x160 [ 221.950607][ T6967] dump_stack+0x1c/0x5c [ 221.951296][ T6967] sysfs_create_dir_ns+0x22c/0x24c [ 221.952093][ T6967] kobject_add_internal+0x590/0xc54 [ 221.952890][ T6967] kobject_init_and_add+0x118/0x17c [ 221.953633][ T6967] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.954361][ T6967] gfs2_fill_super+0xdac/0x19e0 [ 221.955161][ T6967] get_tree_bdev+0x358/0x544 [ 221.955896][ T6967] gfs2_get_tree+0x54/0x1b4 [ 221.956556][ T6967] vfs_get_tree+0x90/0x274 [ 221.957211][ T6967] do_new_mount+0x228/0x810 [ 221.957865][ T6967] path_mount+0x5b4/0x1000 [ 221.958612][ T6967] __arm64_sys_mount+0x514/0x5e4 [ 221.959374][ T6967] invoke_syscall+0x98/0x2b8 [ 221.960060][ T6967] el0_svc_common+0x138/0x258 [ 221.960795][ T6967] do_el0_svc+0x58/0x14c [ 221.961486][ T6967] el0_svc+0x78/0x1e0 [ 221.962113][ T6967] el0t_64_sync_handler+0xcc/0xe4 [ 221.962837][ T6967] el0t_64_sync+0x1a0/0x1a4 [ 221.963581][ T6967] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.965467][ T6967] gfs2: fsid=}: error -17 adding sysfs files [ 222.153352][ T6970] loop1: detected capacity change from 0 to 32768 [ 222.222249][ T6970] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.223294][ T6970] CPU: 0 PID: 6970 Comm: syz.1.660 Not tainted syzkaller #0 [ 222.224355][ T6970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.225868][ T6970] Call trace: [ 222.226309][ T6970] dump_backtrace+0x0/0x43c [ 222.226987][ T6970] show_stack+0x2c/0x3c [ 222.227580][ T6970] __dump_stack+0x30/0x40 [ 222.228268][ T6970] dump_stack_lvl+0xf8/0x160 [ 222.228932][ T6970] dump_stack+0x1c/0x5c [ 222.229635][ T6970] sysfs_create_dir_ns+0x22c/0x24c [ 222.230397][ T6970] kobject_add_internal+0x590/0xc54 [ 222.231151][ T6970] kobject_init_and_add+0x118/0x17c [ 222.231991][ T6970] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.232735][ T6970] gfs2_fill_super+0xdac/0x19e0 [ 222.233432][ T6970] get_tree_bdev+0x358/0x544 [ 222.234094][ T6970] gfs2_get_tree+0x54/0x1b4 [ 222.234779][ T6970] vfs_get_tree+0x90/0x274 [ 222.235437][ T6970] do_new_mount+0x228/0x810 [ 222.236171][ T6970] path_mount+0x5b4/0x1000 [ 222.236847][ T6970] __arm64_sys_mount+0x514/0x5e4 [ 222.237579][ T6970] invoke_syscall+0x98/0x2b8 [ 222.238320][ T6970] el0_svc_common+0x138/0x258 [ 222.239106][ T6970] do_el0_svc+0x58/0x14c [ 222.239759][ T6970] el0_svc+0x78/0x1e0 [ 222.240381][ T6970] el0t_64_sync_handler+0xcc/0xe4 [ 222.241186][ T6970] el0t_64_sync+0x1a0/0x1a4 [ 222.243732][ T6970] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.245627][ T6970] gfs2: fsid=}: error -17 adding sysfs files [ 222.377353][ T6973] loop1: detected capacity change from 0 to 32768 [ 222.384462][ T6973] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.385511][ T6973] CPU: 1 PID: 6973 Comm: syz.1.661 Not tainted syzkaller #0 [ 222.386637][ T6973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.388138][ T6973] Call trace: [ 222.388644][ T6973] dump_backtrace+0x0/0x43c [ 222.389299][ T6973] show_stack+0x2c/0x3c [ 222.389967][ T6973] __dump_stack+0x30/0x40 [ 222.390705][ T6973] dump_stack_lvl+0xf8/0x160 [ 222.391410][ T6973] dump_stack+0x1c/0x5c [ 222.392045][ T6973] sysfs_create_dir_ns+0x22c/0x24c [ 222.392864][ T6973] kobject_add_internal+0x590/0xc54 [ 222.393688][ T6973] kobject_init_and_add+0x118/0x17c [ 222.394533][ T6973] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.395246][ T6973] gfs2_fill_super+0xdac/0x19e0 [ 222.395967][ T6973] get_tree_bdev+0x358/0x544 [ 222.396629][ T6973] gfs2_get_tree+0x54/0x1b4 [ 222.397362][ T6973] vfs_get_tree+0x90/0x274 [ 222.398067][ T6973] do_new_mount+0x228/0x810 [ 222.398749][ T6973] path_mount+0x5b4/0x1000 [ 222.399396][ T6973] __arm64_sys_mount+0x514/0x5e4 [ 222.400078][ T6973] invoke_syscall+0x98/0x2b8 [ 222.400713][ T6973] el0_svc_common+0x138/0x258 [ 222.401362][ T6973] do_el0_svc+0x58/0x14c [ 222.401959][ T6973] el0_svc+0x78/0x1e0 [ 222.402507][ T6973] el0t_64_sync_handler+0xcc/0xe4 [ 222.403205][ T6973] el0t_64_sync+0x1a0/0x1a4 [ 222.405404][ T6973] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.407231][ T6973] gfs2: fsid=}: error -17 adding sysfs files [ 222.539475][ T6976] loop1: detected capacity change from 0 to 32768 [ 222.616063][ T6976] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.617188][ T6976] CPU: 0 PID: 6976 Comm: syz.1.662 Not tainted syzkaller #0 [ 222.618354][ T6976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.619868][ T6976] Call trace: [ 222.620396][ T6976] dump_backtrace+0x0/0x43c [ 222.621109][ T6976] show_stack+0x2c/0x3c [ 222.621766][ T6976] __dump_stack+0x30/0x40 [ 222.622428][ T6976] dump_stack_lvl+0xf8/0x160 [ 222.623101][ T6976] dump_stack+0x1c/0x5c [ 222.623700][ T6976] sysfs_create_dir_ns+0x22c/0x24c [ 222.624523][ T6976] kobject_add_internal+0x590/0xc54 [ 222.625284][ T6976] kobject_init_and_add+0x118/0x17c [ 222.626100][ T6976] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.626835][ T6976] gfs2_fill_super+0xdac/0x19e0 [ 222.627595][ T6976] get_tree_bdev+0x358/0x544 [ 222.628284][ T6976] gfs2_get_tree+0x54/0x1b4 [ 222.628950][ T6976] vfs_get_tree+0x90/0x274 [ 222.629657][ T6976] do_new_mount+0x228/0x810 [ 222.630389][ T6976] path_mount+0x5b4/0x1000 [ 222.631132][ T6976] __arm64_sys_mount+0x514/0x5e4 [ 222.631877][ T6976] invoke_syscall+0x98/0x2b8 [ 222.632604][ T6976] el0_svc_common+0x138/0x258 [ 222.633402][ T6976] do_el0_svc+0x58/0x14c [ 222.634069][ T6976] el0_svc+0x78/0x1e0 [ 222.634681][ T6976] el0t_64_sync_handler+0xcc/0xe4 [ 222.635491][ T6976] el0t_64_sync+0x1a0/0x1a4 [ 222.636310][ T6976] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.638289][ T6976] gfs2: fsid=}: error -17 adding sysfs files [ 222.772298][ T6979] loop1: detected capacity change from 0 to 32768 [ 222.832264][ T6979] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.833372][ T6979] CPU: 1 PID: 6979 Comm: syz.1.663 Not tainted syzkaller #0 [ 222.834535][ T6979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.836142][ T6979] Call trace: [ 222.836648][ T6979] dump_backtrace+0x0/0x43c [ 222.837374][ T6979] show_stack+0x2c/0x3c [ 222.837962][ T6979] __dump_stack+0x30/0x40 [ 222.838570][ T6979] dump_stack_lvl+0xf8/0x160 [ 222.839237][ T6979] dump_stack+0x1c/0x5c [ 222.839842][ T6979] sysfs_create_dir_ns+0x22c/0x24c [ 222.840768][ T6979] kobject_add_internal+0x590/0xc54 [ 222.841622][ T6979] kobject_init_and_add+0x118/0x17c [ 222.842470][ T6979] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.843264][ T6979] gfs2_fill_super+0xdac/0x19e0 [ 222.844101][ T6979] get_tree_bdev+0x358/0x544 [ 222.844785][ T6979] gfs2_get_tree+0x54/0x1b4 [ 222.845504][ T6979] vfs_get_tree+0x90/0x274 [ 222.846200][ T6979] do_new_mount+0x228/0x810 [ 222.846921][ T6979] path_mount+0x5b4/0x1000 [ 222.847603][ T6979] __arm64_sys_mount+0x514/0x5e4 [ 222.848401][ T6979] invoke_syscall+0x98/0x2b8 [ 222.849204][ T6979] el0_svc_common+0x138/0x258 [ 222.849945][ T6979] do_el0_svc+0x58/0x14c [ 222.850574][ T6979] el0_svc+0x78/0x1e0 [ 222.851210][ T6979] el0t_64_sync_handler+0xcc/0xe4 [ 222.851999][ T6979] el0t_64_sync+0x1a0/0x1a4 [ 222.854571][ T6979] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.856317][ T6979] gfs2: fsid=}: error -17 adding sysfs files [ 222.982793][ T6982] loop1: detected capacity change from 0 to 32768 [ 223.063112][ T6982] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.064299][ T6982] CPU: 0 PID: 6982 Comm: syz.1.664 Not tainted syzkaller #0 [ 223.065457][ T6982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.066964][ T6982] Call trace: [ 223.067475][ T6982] dump_backtrace+0x0/0x43c [ 223.068213][ T6982] show_stack+0x2c/0x3c [ 223.068872][ T6982] __dump_stack+0x30/0x40 [ 223.069587][ T6982] dump_stack_lvl+0xf8/0x160 [ 223.070317][ T6982] dump_stack+0x1c/0x5c [ 223.070984][ T6982] sysfs_create_dir_ns+0x22c/0x24c [ 223.071761][ T6982] kobject_add_internal+0x590/0xc54 [ 223.072616][ T6982] kobject_init_and_add+0x118/0x17c [ 223.073534][ T6982] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.074332][ T6982] gfs2_fill_super+0xdac/0x19e0 [ 223.075094][ T6982] get_tree_bdev+0x358/0x544 [ 223.075888][ T6982] gfs2_get_tree+0x54/0x1b4 [ 223.076612][ T6982] vfs_get_tree+0x90/0x274 [ 223.077293][ T6982] do_new_mount+0x228/0x810 [ 223.078003][ T6982] path_mount+0x5b4/0x1000 [ 223.078673][ T6982] __arm64_sys_mount+0x514/0x5e4 [ 223.079523][ T6982] invoke_syscall+0x98/0x2b8 [ 223.080253][ T6982] el0_svc_common+0x138/0x258 [ 223.081063][ T6982] do_el0_svc+0x58/0x14c [ 223.081739][ T6982] el0_svc+0x78/0x1e0 [ 223.082316][ T6982] el0t_64_sync_handler+0xcc/0xe4 [ 223.083073][ T6982] el0t_64_sync+0x1a0/0x1a4 [ 223.083944][ T6982] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.085858][ T6982] gfs2: fsid=}: error -17 adding sysfs files [ 223.339162][ T6985] loop1: detected capacity change from 0 to 32768 [ 223.378461][ T6985] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.379574][ T6985] CPU: 1 PID: 6985 Comm: syz.1.665 Not tainted syzkaller #0 [ 223.380728][ T6985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.382228][ T6985] Call trace: [ 223.382755][ T6985] dump_backtrace+0x0/0x43c [ 223.383450][ T6985] show_stack+0x2c/0x3c [ 223.384082][ T6985] __dump_stack+0x30/0x40 [ 223.384735][ T6985] dump_stack_lvl+0xf8/0x160 [ 223.385410][ T6985] dump_stack+0x1c/0x5c [ 223.385999][ T6985] sysfs_create_dir_ns+0x22c/0x24c [ 223.386739][ T6985] kobject_add_internal+0x590/0xc54 [ 223.387526][ T6985] kobject_init_and_add+0x118/0x17c [ 223.388311][ T6985] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.389078][ T6985] gfs2_fill_super+0xdac/0x19e0 [ 223.389853][ T6985] get_tree_bdev+0x358/0x544 [ 223.390522][ T6985] gfs2_get_tree+0x54/0x1b4 [ 223.391182][ T6985] vfs_get_tree+0x90/0x274 [ 223.391837][ T6985] do_new_mount+0x228/0x810 [ 223.392510][ T6985] path_mount+0x5b4/0x1000 [ 223.393196][ T6985] __arm64_sys_mount+0x514/0x5e4 [ 223.393913][ T6985] invoke_syscall+0x98/0x2b8 [ 223.394573][ T6985] el0_svc_common+0x138/0x258 [ 223.395291][ T6985] do_el0_svc+0x58/0x14c [ 223.395981][ T6985] el0_svc+0x78/0x1e0 [ 223.396578][ T6985] el0t_64_sync_handler+0xcc/0xe4 [ 223.397325][ T6985] el0t_64_sync+0x1a0/0x1a4 [ 223.398438][ T6985] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.400289][ T6985] gfs2: fsid=}: error -17 adding sysfs files [ 223.529832][ T6988] loop1: detected capacity change from 0 to 32768 [ 223.537024][ T6988] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.538107][ T6988] CPU: 0 PID: 6988 Comm: syz.1.666 Not tainted syzkaller #0 [ 223.539291][ T6988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.540805][ T6988] Call trace: [ 223.541381][ T6988] dump_backtrace+0x0/0x43c [ 223.542102][ T6988] show_stack+0x2c/0x3c [ 223.542772][ T6988] __dump_stack+0x30/0x40 [ 223.543476][ T6988] dump_stack_lvl+0xf8/0x160 [ 223.544129][ T6988] dump_stack+0x1c/0x5c [ 223.544752][ T6988] sysfs_create_dir_ns+0x22c/0x24c [ 223.545470][ T6988] kobject_add_internal+0x590/0xc54 [ 223.546267][ T6988] kobject_init_and_add+0x118/0x17c [ 223.546951][ T6988] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.547599][ T6988] gfs2_fill_super+0xdac/0x19e0 [ 223.548301][ T6988] get_tree_bdev+0x358/0x544 [ 223.548939][ T6988] gfs2_get_tree+0x54/0x1b4 [ 223.549663][ T6988] vfs_get_tree+0x90/0x274 [ 223.550334][ T6988] do_new_mount+0x228/0x810 [ 223.551013][ T6988] path_mount+0x5b4/0x1000 [ 223.551657][ T6988] __arm64_sys_mount+0x514/0x5e4 [ 223.552388][ T6988] invoke_syscall+0x98/0x2b8 [ 223.553091][ T6988] el0_svc_common+0x138/0x258 [ 223.553879][ T6988] do_el0_svc+0x58/0x14c [ 223.554600][ T6988] el0_svc+0x78/0x1e0 [ 223.555294][ T6988] el0t_64_sync_handler+0xcc/0xe4 [ 223.556103][ T6988] el0t_64_sync+0x1a0/0x1a4 [ 223.559333][ T6988] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.561177][ T6988] gfs2: fsid=}: error -17 adding sysfs files [ 223.686915][ T6991] loop1: detected capacity change from 0 to 32768 [ 223.727122][ T6991] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.728184][ T6991] CPU: 0 PID: 6991 Comm: syz.1.667 Not tainted syzkaller #0 [ 223.729233][ T6991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.730870][ T6991] Call trace: [ 223.731393][ T6991] dump_backtrace+0x0/0x43c [ 223.732100][ T6991] show_stack+0x2c/0x3c [ 223.732793][ T6991] __dump_stack+0x30/0x40 [ 223.733541][ T6991] dump_stack_lvl+0xf8/0x160 [ 223.734265][ T6991] dump_stack+0x1c/0x5c [ 223.734920][ T6991] sysfs_create_dir_ns+0x22c/0x24c [ 223.735721][ T6991] kobject_add_internal+0x590/0xc54 [ 223.736534][ T6991] kobject_init_and_add+0x118/0x17c [ 223.737290][ T6991] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.737992][ T6991] gfs2_fill_super+0xdac/0x19e0 [ 223.738748][ T6991] get_tree_bdev+0x358/0x544 [ 223.739406][ T6991] gfs2_get_tree+0x54/0x1b4 [ 223.740049][ T6991] vfs_get_tree+0x90/0x274 [ 223.740719][ T6991] do_new_mount+0x228/0x810 [ 223.741391][ T6991] path_mount+0x5b4/0x1000 [ 223.742077][ T6991] __arm64_sys_mount+0x514/0x5e4 [ 223.742840][ T6991] invoke_syscall+0x98/0x2b8 [ 223.743481][ T6991] el0_svc_common+0x138/0x258 [ 223.744181][ T6991] do_el0_svc+0x58/0x14c [ 223.744864][ T6991] el0_svc+0x78/0x1e0 [ 223.745454][ T6991] el0t_64_sync_handler+0xcc/0xe4 [ 223.746208][ T6991] el0t_64_sync+0x1a0/0x1a4 [ 223.748283][ T6991] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.749971][ T6991] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:43 executed programs: 654 [ 223.876744][ T6994] loop1: detected capacity change from 0 to 32768 [ 223.966202][ T6994] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.967347][ T6994] CPU: 1 PID: 6994 Comm: syz.1.668 Not tainted syzkaller #0 [ 223.968414][ T6994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.969936][ T6994] Call trace: [ 223.970494][ T6994] dump_backtrace+0x0/0x43c [ 223.971176][ T6994] show_stack+0x2c/0x3c [ 223.971804][ T6994] __dump_stack+0x30/0x40 [ 223.972545][ T6994] dump_stack_lvl+0xf8/0x160 [ 223.973259][ T6994] dump_stack+0x1c/0x5c [ 223.973939][ T6994] sysfs_create_dir_ns+0x22c/0x24c [ 223.974752][ T6994] kobject_add_internal+0x590/0xc54 [ 223.975567][ T6994] kobject_init_and_add+0x118/0x17c [ 223.976332][ T6994] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.977002][ T6994] gfs2_fill_super+0xdac/0x19e0 [ 223.977772][ T6994] get_tree_bdev+0x358/0x544 [ 223.978564][ T6994] gfs2_get_tree+0x54/0x1b4 [ 223.979345][ T6994] vfs_get_tree+0x90/0x274 [ 223.980073][ T6994] do_new_mount+0x228/0x810 [ 223.980842][ T6994] path_mount+0x5b4/0x1000 [ 223.981612][ T6994] __arm64_sys_mount+0x514/0x5e4 [ 223.982408][ T6994] invoke_syscall+0x98/0x2b8 [ 223.983088][ T6994] el0_svc_common+0x138/0x258 [ 223.983806][ T6994] do_el0_svc+0x58/0x14c [ 223.984530][ T6994] el0_svc+0x78/0x1e0 [ 223.985212][ T6994] el0t_64_sync_handler+0xcc/0xe4 [ 223.985976][ T6994] el0t_64_sync+0x1a0/0x1a4 [ 223.987068][ T6994] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.988900][ T6994] gfs2: fsid=}: error -17 adding sysfs files [ 224.113187][ T6997] loop1: detected capacity change from 0 to 32768 [ 224.204298][ T6997] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.205433][ T6997] CPU: 0 PID: 6997 Comm: syz.1.669 Not tainted syzkaller #0 [ 224.206541][ T6997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.207936][ T6997] Call trace: [ 224.208376][ T6997] dump_backtrace+0x0/0x43c [ 224.209037][ T6997] show_stack+0x2c/0x3c [ 224.209688][ T6997] __dump_stack+0x30/0x40 [ 224.210374][ T6997] dump_stack_lvl+0xf8/0x160 [ 224.211020][ T6997] dump_stack+0x1c/0x5c [ 224.211620][ T6997] sysfs_create_dir_ns+0x22c/0x24c [ 224.212361][ T6997] kobject_add_internal+0x590/0xc54 [ 224.213166][ T6997] kobject_init_and_add+0x118/0x17c [ 224.214006][ T6997] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.214683][ T6997] gfs2_fill_super+0xdac/0x19e0 [ 224.215377][ T6997] get_tree_bdev+0x358/0x544 [ 224.216025][ T6997] gfs2_get_tree+0x54/0x1b4 [ 224.216666][ T6997] vfs_get_tree+0x90/0x274 [ 224.217326][ T6997] do_new_mount+0x228/0x810 [ 224.218087][ T6997] path_mount+0x5b4/0x1000 [ 224.218808][ T6997] __arm64_sys_mount+0x514/0x5e4 [ 224.219583][ T6997] invoke_syscall+0x98/0x2b8 [ 224.220354][ T6997] el0_svc_common+0x138/0x258 [ 224.221105][ T6997] do_el0_svc+0x58/0x14c [ 224.221725][ T6997] el0_svc+0x78/0x1e0 [ 224.222358][ T6997] el0t_64_sync_handler+0xcc/0xe4 [ 224.223132][ T6997] el0t_64_sync+0x1a0/0x1a4 [ 224.225274][ T6997] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.227245][ T6997] gfs2: fsid=}: error -17 adding sysfs files [ 224.354040][ T7000] loop1: detected capacity change from 0 to 32768 [ 224.360867][ T7000] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.361993][ T7000] CPU: 1 PID: 7000 Comm: syz.1.670 Not tainted syzkaller #0 [ 224.363281][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.364844][ T7000] Call trace: [ 224.365369][ T7000] dump_backtrace+0x0/0x43c [ 224.366138][ T7000] show_stack+0x2c/0x3c [ 224.366828][ T7000] __dump_stack+0x30/0x40 [ 224.367486][ T7000] dump_stack_lvl+0xf8/0x160 [ 224.368179][ T7000] dump_stack+0x1c/0x5c [ 224.368887][ T7000] sysfs_create_dir_ns+0x22c/0x24c [ 224.369728][ T7000] kobject_add_internal+0x590/0xc54 [ 224.370588][ T7000] kobject_init_and_add+0x118/0x17c [ 224.371415][ T7000] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.372140][ T7000] gfs2_fill_super+0xdac/0x19e0 [ 224.372893][ T7000] get_tree_bdev+0x358/0x544 [ 224.373621][ T7000] gfs2_get_tree+0x54/0x1b4 [ 224.374393][ T7000] vfs_get_tree+0x90/0x274 [ 224.375151][ T7000] do_new_mount+0x228/0x810 [ 224.375885][ T7000] path_mount+0x5b4/0x1000 [ 224.376588][ T7000] __arm64_sys_mount+0x514/0x5e4 [ 224.377370][ T7000] invoke_syscall+0x98/0x2b8 [ 224.378112][ T7000] el0_svc_common+0x138/0x258 [ 224.378856][ T7000] do_el0_svc+0x58/0x14c [ 224.379596][ T7000] el0_svc+0x78/0x1e0 [ 224.380251][ T7000] el0t_64_sync_handler+0xcc/0xe4 [ 224.381106][ T7000] el0t_64_sync+0x1a0/0x1a4 [ 224.383531][ T7000] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.386354][ T7000] gfs2: fsid=}: error -17 adding sysfs files [ 224.512762][ T7003] loop1: detected capacity change from 0 to 32768 [ 224.558499][ T7003] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.559514][ T7003] CPU: 1 PID: 7003 Comm: syz.1.671 Not tainted syzkaller #0 [ 224.560701][ T7003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.562302][ T7003] Call trace: [ 224.562816][ T7003] dump_backtrace+0x0/0x43c [ 224.563566][ T7003] show_stack+0x2c/0x3c [ 224.564188][ T7003] __dump_stack+0x30/0x40 [ 224.564799][ T7003] dump_stack_lvl+0xf8/0x160 [ 224.565475][ T7003] dump_stack+0x1c/0x5c [ 224.566062][ T7003] sysfs_create_dir_ns+0x22c/0x24c [ 224.566890][ T7003] kobject_add_internal+0x590/0xc54 [ 224.567705][ T7003] kobject_init_and_add+0x118/0x17c [ 224.568498][ T7003] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.569274][ T7003] gfs2_fill_super+0xdac/0x19e0 [ 224.569983][ T7003] get_tree_bdev+0x358/0x544 [ 224.570626][ T7003] gfs2_get_tree+0x54/0x1b4 [ 224.571273][ T7003] vfs_get_tree+0x90/0x274 [ 224.571916][ T7003] do_new_mount+0x228/0x810 [ 224.572587][ T7003] path_mount+0x5b4/0x1000 [ 224.573272][ T7003] __arm64_sys_mount+0x514/0x5e4 [ 224.574118][ T7003] invoke_syscall+0x98/0x2b8 [ 224.574852][ T7003] el0_svc_common+0x138/0x258 [ 224.575609][ T7003] do_el0_svc+0x58/0x14c [ 224.576331][ T7003] el0_svc+0x78/0x1e0 [ 224.576994][ T7003] el0t_64_sync_handler+0xcc/0xe4 [ 224.577758][ T7003] el0t_64_sync+0x1a0/0x1a4 [ 224.579757][ T7003] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.581456][ T7003] gfs2: fsid=}: error -17 adding sysfs files [ 224.764865][ T7006] loop1: detected capacity change from 0 to 32768 [ 224.803459][ T7006] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.804582][ T7006] CPU: 1 PID: 7006 Comm: syz.1.672 Not tainted syzkaller #0 [ 224.805629][ T7006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.807001][ T7006] Call trace: [ 224.807521][ T7006] dump_backtrace+0x0/0x43c [ 224.808184][ T7006] show_stack+0x2c/0x3c [ 224.808780][ T7006] __dump_stack+0x30/0x40 [ 224.809405][ T7006] dump_stack_lvl+0xf8/0x160 [ 224.810071][ T7006] dump_stack+0x1c/0x5c [ 224.810636][ T7006] sysfs_create_dir_ns+0x22c/0x24c [ 224.811376][ T7006] kobject_add_internal+0x590/0xc54 [ 224.812065][ T7006] kobject_init_and_add+0x118/0x17c [ 224.812832][ T7006] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.813508][ T7006] gfs2_fill_super+0xdac/0x19e0 [ 224.814242][ T7006] get_tree_bdev+0x358/0x544 [ 224.815016][ T7006] gfs2_get_tree+0x54/0x1b4 [ 224.815704][ T7006] vfs_get_tree+0x90/0x274 [ 224.816419][ T7006] do_new_mount+0x228/0x810 [ 224.817080][ T7006] path_mount+0x5b4/0x1000 [ 224.817754][ T7006] __arm64_sys_mount+0x514/0x5e4 [ 224.818519][ T7006] invoke_syscall+0x98/0x2b8 [ 224.819243][ T7006] el0_svc_common+0x138/0x258 [ 224.819993][ T7006] do_el0_svc+0x58/0x14c [ 224.820700][ T7006] el0_svc+0x78/0x1e0 [ 224.821299][ T7006] el0t_64_sync_handler+0xcc/0xe4 [ 224.822092][ T7006] el0t_64_sync+0x1a0/0x1a4 [ 224.824336][ T7006] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.826159][ T7006] gfs2: fsid=}: error -17 adding sysfs files [ 224.963541][ T7009] loop1: detected capacity change from 0 to 32768 [ 224.970396][ T7009] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.971474][ T7009] CPU: 1 PID: 7009 Comm: syz.1.673 Not tainted syzkaller #0 [ 224.972632][ T7009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.974185][ T7009] Call trace: [ 224.974633][ T7009] dump_backtrace+0x0/0x43c [ 224.975340][ T7009] show_stack+0x2c/0x3c [ 224.975936][ T7009] __dump_stack+0x30/0x40 [ 224.976577][ T7009] dump_stack_lvl+0xf8/0x160 [ 224.977243][ T7009] dump_stack+0x1c/0x5c [ 224.977872][ T7009] sysfs_create_dir_ns+0x22c/0x24c [ 224.978747][ T7009] kobject_add_internal+0x590/0xc54 [ 224.979533][ T7009] kobject_init_and_add+0x118/0x17c [ 224.980357][ T7009] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.981102][ T7009] gfs2_fill_super+0xdac/0x19e0 [ 224.981771][ T7009] get_tree_bdev+0x358/0x544 [ 224.982439][ T7009] gfs2_get_tree+0x54/0x1b4 [ 224.983139][ T7009] vfs_get_tree+0x90/0x274 [ 224.983818][ T7009] do_new_mount+0x228/0x810 [ 224.984487][ T7009] path_mount+0x5b4/0x1000 [ 224.985132][ T7009] __arm64_sys_mount+0x514/0x5e4 [ 224.985885][ T7009] invoke_syscall+0x98/0x2b8 [ 224.986619][ T7009] el0_svc_common+0x138/0x258 [ 224.987391][ T7009] do_el0_svc+0x58/0x14c [ 224.988007][ T7009] el0_svc+0x78/0x1e0 [ 224.988641][ T7009] el0t_64_sync_handler+0xcc/0xe4 [ 224.989373][ T7009] el0t_64_sync+0x1a0/0x1a4 [ 224.991596][ T7009] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.993525][ T7009] gfs2: fsid=}: error -17 adding sysfs files [ 225.121588][ T7012] loop1: detected capacity change from 0 to 32768 [ 225.128710][ T7012] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.129803][ T7012] CPU: 1 PID: 7012 Comm: syz.1.674 Not tainted syzkaller #0 [ 225.130998][ T7012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.132603][ T7012] Call trace: [ 225.133085][ T7012] dump_backtrace+0x0/0x43c [ 225.133786][ T7012] show_stack+0x2c/0x3c [ 225.134382][ T7012] __dump_stack+0x30/0x40 [ 225.135118][ T7012] dump_stack_lvl+0xf8/0x160 [ 225.135859][ T7012] dump_stack+0x1c/0x5c [ 225.136538][ T7012] sysfs_create_dir_ns+0x22c/0x24c [ 225.137335][ T7012] kobject_add_internal+0x590/0xc54 [ 225.138080][ T7012] kobject_init_and_add+0x118/0x17c [ 225.138888][ T7012] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.139663][ T7012] gfs2_fill_super+0xdac/0x19e0 [ 225.140423][ T7012] get_tree_bdev+0x358/0x544 [ 225.141193][ T7012] gfs2_get_tree+0x54/0x1b4 [ 225.141865][ T7012] vfs_get_tree+0x90/0x274 [ 225.142534][ T7012] do_new_mount+0x228/0x810 [ 225.143296][ T7012] path_mount+0x5b4/0x1000 [ 225.144013][ T7012] __arm64_sys_mount+0x514/0x5e4 [ 225.144797][ T7012] invoke_syscall+0x98/0x2b8 [ 225.145487][ T7012] el0_svc_common+0x138/0x258 [ 225.146173][ T7012] do_el0_svc+0x58/0x14c [ 225.146817][ T7012] el0_svc+0x78/0x1e0 [ 225.147463][ T7012] el0t_64_sync_handler+0xcc/0xe4 [ 225.148272][ T7012] el0t_64_sync+0x1a0/0x1a4 [ 225.150560][ T7012] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.152567][ T7012] gfs2: fsid=}: error -17 adding sysfs files [ 225.282007][ T7015] loop1: detected capacity change from 0 to 32768 [ 225.289041][ T7015] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.290182][ T7015] CPU: 1 PID: 7015 Comm: syz.1.675 Not tainted syzkaller #0 [ 225.291300][ T7015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.292717][ T7015] Call trace: [ 225.293237][ T7015] dump_backtrace+0x0/0x43c [ 225.293937][ T7015] show_stack+0x2c/0x3c [ 225.294592][ T7015] __dump_stack+0x30/0x40 [ 225.295259][ T7015] dump_stack_lvl+0xf8/0x160 [ 225.295972][ T7015] dump_stack+0x1c/0x5c [ 225.296572][ T7015] sysfs_create_dir_ns+0x22c/0x24c [ 225.297342][ T7015] kobject_add_internal+0x590/0xc54 [ 225.298113][ T7015] kobject_init_and_add+0x118/0x17c [ 225.298962][ T7015] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.299742][ T7015] gfs2_fill_super+0xdac/0x19e0 [ 225.300481][ T7015] get_tree_bdev+0x358/0x544 [ 225.301133][ T7015] gfs2_get_tree+0x54/0x1b4 [ 225.301766][ T7015] vfs_get_tree+0x90/0x274 [ 225.302376][ T7015] do_new_mount+0x228/0x810 [ 225.303000][ T7015] path_mount+0x5b4/0x1000 [ 225.303634][ T7015] __arm64_sys_mount+0x514/0x5e4 [ 225.304401][ T7015] invoke_syscall+0x98/0x2b8 [ 225.305097][ T7015] el0_svc_common+0x138/0x258 [ 225.305805][ T7015] do_el0_svc+0x58/0x14c [ 225.306466][ T7015] el0_svc+0x78/0x1e0 [ 225.307039][ T7015] el0t_64_sync_handler+0xcc/0xe4 [ 225.307793][ T7015] el0t_64_sync+0x1a0/0x1a4 [ 225.308720][ T7015] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.310709][ T7015] gfs2: fsid=}: error -17 adding sysfs files [ 225.469260][ T7018] loop1: detected capacity change from 0 to 32768 [ 225.477124][ T7018] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.478228][ T7018] CPU: 1 PID: 7018 Comm: syz.1.676 Not tainted syzkaller #0 [ 225.479323][ T7018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.480957][ T7018] Call trace: [ 225.481463][ T7018] dump_backtrace+0x0/0x43c [ 225.482175][ T7018] show_stack+0x2c/0x3c [ 225.482840][ T7018] __dump_stack+0x30/0x40 [ 225.483548][ T7018] dump_stack_lvl+0xf8/0x160 [ 225.484304][ T7018] dump_stack+0x1c/0x5c [ 225.484919][ T7018] sysfs_create_dir_ns+0x22c/0x24c [ 225.485720][ T7018] kobject_add_internal+0x590/0xc54 [ 225.486541][ T7018] kobject_init_and_add+0x118/0x17c [ 225.487295][ T7018] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.487982][ T7018] gfs2_fill_super+0xdac/0x19e0 [ 225.488745][ T7018] get_tree_bdev+0x358/0x544 [ 225.489442][ T7018] gfs2_get_tree+0x54/0x1b4 [ 225.490223][ T7018] vfs_get_tree+0x90/0x274 [ 225.490898][ T7018] do_new_mount+0x228/0x810 [ 225.491650][ T7018] path_mount+0x5b4/0x1000 [ 225.492359][ T7018] __arm64_sys_mount+0x514/0x5e4 [ 225.493127][ T7018] invoke_syscall+0x98/0x2b8 [ 225.493873][ T7018] el0_svc_common+0x138/0x258 [ 225.494650][ T7018] do_el0_svc+0x58/0x14c [ 225.495321][ T7018] el0_svc+0x78/0x1e0 [ 225.495955][ T7018] el0t_64_sync_handler+0xcc/0xe4 [ 225.496820][ T7018] el0t_64_sync+0x1a0/0x1a4 [ 225.497982][ T7018] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.499844][ T7018] gfs2: fsid=}: error -17 adding sysfs files [ 225.627789][ T7021] loop1: detected capacity change from 0 to 32768 [ 225.634898][ T7021] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.635913][ T7021] CPU: 0 PID: 7021 Comm: syz.1.677 Not tainted syzkaller #0 [ 225.637052][ T7021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.638492][ T7021] Call trace: [ 225.638980][ T7021] dump_backtrace+0x0/0x43c [ 225.639644][ T7021] show_stack+0x2c/0x3c [ 225.640219][ T7021] __dump_stack+0x30/0x40 [ 225.640846][ T7021] dump_stack_lvl+0xf8/0x160 [ 225.641576][ T7021] dump_stack+0x1c/0x5c [ 225.642221][ T7021] sysfs_create_dir_ns+0x22c/0x24c [ 225.642973][ T7021] kobject_add_internal+0x590/0xc54 [ 225.643717][ T7021] kobject_init_and_add+0x118/0x17c [ 225.644484][ T7021] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.645147][ T7021] gfs2_fill_super+0xdac/0x19e0 [ 225.645824][ T7021] get_tree_bdev+0x358/0x544 [ 225.646556][ T7021] gfs2_get_tree+0x54/0x1b4 [ 225.647229][ T7021] vfs_get_tree+0x90/0x274 [ 225.647916][ T7021] do_new_mount+0x228/0x810 [ 225.648578][ T7021] path_mount+0x5b4/0x1000 [ 225.649246][ T7021] __arm64_sys_mount+0x514/0x5e4 [ 225.650018][ T7021] invoke_syscall+0x98/0x2b8 [ 225.650734][ T7021] el0_svc_common+0x138/0x258 [ 225.651469][ T7021] do_el0_svc+0x58/0x14c [ 225.652090][ T7021] el0_svc+0x78/0x1e0 [ 225.652690][ T7021] el0t_64_sync_handler+0xcc/0xe4 [ 225.653530][ T7021] el0t_64_sync+0x1a0/0x1a4 [ 225.655870][ T7021] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.657753][ T7021] gfs2: fsid=}: error -17 adding sysfs files [ 225.790642][ T7024] loop1: detected capacity change from 0 to 32768 [ 225.833313][ T7024] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.838106][ T7024] CPU: 1 PID: 7024 Comm: syz.1.678 Not tainted syzkaller #0 [ 225.839181][ T7024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.840769][ T7024] Call trace: [ 225.841280][ T7024] dump_backtrace+0x0/0x43c [ 225.841962][ T7024] show_stack+0x2c/0x3c [ 225.842596][ T7024] __dump_stack+0x30/0x40 [ 225.843222][ T7024] dump_stack_lvl+0xf8/0x160 [ 225.843898][ T7024] dump_stack+0x1c/0x5c [ 225.844553][ T7024] sysfs_create_dir_ns+0x22c/0x24c [ 225.845325][ T7024] kobject_add_internal+0x590/0xc54 [ 225.846072][ T7024] kobject_init_and_add+0x118/0x17c [ 225.846830][ T7024] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.847517][ T7024] gfs2_fill_super+0xdac/0x19e0 [ 225.848217][ T7024] get_tree_bdev+0x358/0x544 [ 225.849005][ T7024] gfs2_get_tree+0x54/0x1b4 [ 225.849700][ T7024] vfs_get_tree+0x90/0x274 [ 225.850377][ T7024] do_new_mount+0x228/0x810 [ 225.851095][ T7024] path_mount+0x5b4/0x1000 [ 225.851816][ T7024] __arm64_sys_mount+0x514/0x5e4 [ 225.852656][ T7024] invoke_syscall+0x98/0x2b8 [ 225.853404][ T7024] el0_svc_common+0x138/0x258 [ 225.854176][ T7024] do_el0_svc+0x58/0x14c [ 225.854826][ T7024] el0_svc+0x78/0x1e0 [ 225.855482][ T7024] el0t_64_sync_handler+0xcc/0xe4 [ 225.856235][ T7024] el0t_64_sync+0x1a0/0x1a4 [ 225.857138][ T7024] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.859053][ T7024] gfs2: fsid=}: error -17 adding sysfs files [ 225.993000][ T7027] loop1: detected capacity change from 0 to 32768 [ 225.999802][ T7027] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.000844][ T7027] CPU: 0 PID: 7027 Comm: syz.1.679 Not tainted syzkaller #0 [ 226.002013][ T7027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.003565][ T7027] Call trace: [ 226.004060][ T7027] dump_backtrace+0x0/0x43c [ 226.004714][ T7027] show_stack+0x2c/0x3c [ 226.005345][ T7027] __dump_stack+0x30/0x40 [ 226.005982][ T7027] dump_stack_lvl+0xf8/0x160 [ 226.006668][ T7027] dump_stack+0x1c/0x5c [ 226.007370][ T7027] sysfs_create_dir_ns+0x22c/0x24c [ 226.008138][ T7027] kobject_add_internal+0x590/0xc54 [ 226.008922][ T7027] kobject_init_and_add+0x118/0x17c [ 226.009787][ T7027] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.010535][ T7027] gfs2_fill_super+0xdac/0x19e0 [ 226.011264][ T7027] get_tree_bdev+0x358/0x544 [ 226.011951][ T7027] gfs2_get_tree+0x54/0x1b4 [ 226.012662][ T7027] vfs_get_tree+0x90/0x274 [ 226.013294][ T7027] do_new_mount+0x228/0x810 [ 226.013990][ T7027] path_mount+0x5b4/0x1000 [ 226.014677][ T7027] __arm64_sys_mount+0x514/0x5e4 [ 226.015410][ T7027] invoke_syscall+0x98/0x2b8 [ 226.016099][ T7027] el0_svc_common+0x138/0x258 [ 226.016775][ T7027] do_el0_svc+0x58/0x14c [ 226.017392][ T7027] el0_svc+0x78/0x1e0 [ 226.017977][ T7027] el0t_64_sync_handler+0xcc/0xe4 [ 226.018725][ T7027] el0t_64_sync+0x1a0/0x1a4 [ 226.022062][ T7027] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.024000][ T7027] gfs2: fsid=}: error -17 adding sysfs files [ 226.157438][ T7030] loop1: detected capacity change from 0 to 32768 [ 226.164036][ T7030] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.165130][ T7030] CPU: 1 PID: 7030 Comm: syz.1.680 Not tainted syzkaller #0 [ 226.166264][ T7030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.167902][ T7030] Call trace: [ 226.168428][ T7030] dump_backtrace+0x0/0x43c [ 226.169168][ T7030] show_stack+0x2c/0x3c [ 226.169776][ T7030] __dump_stack+0x30/0x40 [ 226.170493][ T7030] dump_stack_lvl+0xf8/0x160 [ 226.171250][ T7030] dump_stack+0x1c/0x5c [ 226.171904][ T7030] sysfs_create_dir_ns+0x22c/0x24c [ 226.172706][ T7030] kobject_add_internal+0x590/0xc54 [ 226.173579][ T7030] kobject_init_and_add+0x118/0x17c [ 226.174489][ T7030] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.175262][ T7030] gfs2_fill_super+0xdac/0x19e0 [ 226.176119][ T7030] get_tree_bdev+0x358/0x544 [ 226.176808][ T7030] gfs2_get_tree+0x54/0x1b4 [ 226.177524][ T7030] vfs_get_tree+0x90/0x274 [ 226.178153][ T7030] do_new_mount+0x228/0x810 [ 226.178820][ T7030] path_mount+0x5b4/0x1000 [ 226.179533][ T7030] __arm64_sys_mount+0x514/0x5e4 [ 226.180335][ T7030] invoke_syscall+0x98/0x2b8 [ 226.181067][ T7030] el0_svc_common+0x138/0x258 [ 226.181835][ T7030] do_el0_svc+0x58/0x14c [ 226.182533][ T7030] el0_svc+0x78/0x1e0 [ 226.183170][ T7030] el0t_64_sync_handler+0xcc/0xe4 [ 226.183924][ T7030] el0t_64_sync+0x1a0/0x1a4 [ 226.186059][ T7030] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.187789][ T7030] gfs2: fsid=}: error -17 adding sysfs files [ 226.314021][ T7033] loop1: detected capacity change from 0 to 32768 [ 226.394734][ T7033] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.395827][ T7033] CPU: 0 PID: 7033 Comm: syz.1.681 Not tainted syzkaller #0 [ 226.396969][ T7033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.398549][ T7033] Call trace: [ 226.399046][ T7033] dump_backtrace+0x0/0x43c [ 226.399800][ T7033] show_stack+0x2c/0x3c [ 226.400464][ T7033] __dump_stack+0x30/0x40 [ 226.401162][ T7033] dump_stack_lvl+0xf8/0x160 [ 226.401880][ T7033] dump_stack+0x1c/0x5c [ 226.402468][ T7033] sysfs_create_dir_ns+0x22c/0x24c [ 226.403242][ T7033] kobject_add_internal+0x590/0xc54 [ 226.404054][ T7033] kobject_init_and_add+0x118/0x17c [ 226.404822][ T7033] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.405582][ T7033] gfs2_fill_super+0xdac/0x19e0 [ 226.406345][ T7033] get_tree_bdev+0x358/0x544 [ 226.407048][ T7033] gfs2_get_tree+0x54/0x1b4 [ 226.407711][ T7033] vfs_get_tree+0x90/0x274 [ 226.408364][ T7033] do_new_mount+0x228/0x810 [ 226.409046][ T7033] path_mount+0x5b4/0x1000 [ 226.409676][ T7033] __arm64_sys_mount+0x514/0x5e4 [ 226.410461][ T7033] invoke_syscall+0x98/0x2b8 [ 226.411104][ T7033] el0_svc_common+0x138/0x258 [ 226.411798][ T7033] do_el0_svc+0x58/0x14c [ 226.412414][ T7033] el0_svc+0x78/0x1e0 [ 226.412990][ T7033] el0t_64_sync_handler+0xcc/0xe4 [ 226.413755][ T7033] el0t_64_sync+0x1a0/0x1a4 [ 226.415716][ T7033] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.417504][ T7033] gfs2: fsid=}: error -17 adding sysfs files [ 226.551534][ T7036] loop1: detected capacity change from 0 to 32768 [ 226.602254][ T7036] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.603352][ T7036] CPU: 0 PID: 7036 Comm: syz.1.682 Not tainted syzkaller #0 [ 226.604499][ T7036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.606075][ T7036] Call trace: [ 226.606564][ T7036] dump_backtrace+0x0/0x43c [ 226.607286][ T7036] show_stack+0x2c/0x3c [ 226.607982][ T7036] __dump_stack+0x30/0x40 [ 226.608700][ T7036] dump_stack_lvl+0xf8/0x160 [ 226.609475][ T7036] dump_stack+0x1c/0x5c [ 226.610121][ T7036] sysfs_create_dir_ns+0x22c/0x24c [ 226.610957][ T7036] kobject_add_internal+0x590/0xc54 [ 226.611753][ T7036] kobject_init_and_add+0x118/0x17c [ 226.612510][ T7036] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.613215][ T7036] gfs2_fill_super+0xdac/0x19e0 [ 226.613961][ T7036] get_tree_bdev+0x358/0x544 [ 226.614642][ T7036] gfs2_get_tree+0x54/0x1b4 [ 226.615339][ T7036] vfs_get_tree+0x90/0x274 [ 226.616046][ T7036] do_new_mount+0x228/0x810 [ 226.616712][ T7036] path_mount+0x5b4/0x1000 [ 226.617405][ T7036] __arm64_sys_mount+0x514/0x5e4 [ 226.618130][ T7036] invoke_syscall+0x98/0x2b8 [ 226.618885][ T7036] el0_svc_common+0x138/0x258 [ 226.619624][ T7036] do_el0_svc+0x58/0x14c [ 226.620278][ T7036] el0_svc+0x78/0x1e0 [ 226.620859][ T7036] el0t_64_sync_handler+0xcc/0xe4 [ 226.621607][ T7036] el0t_64_sync+0x1a0/0x1a4 [ 226.624978][ T7036] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.626840][ T7036] gfs2: fsid=}: error -17 adding sysfs files [ 226.874955][ T7039] loop1: detected capacity change from 0 to 32768 [ 226.927938][ T7039] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.928966][ T7039] CPU: 1 PID: 7039 Comm: syz.1.683 Not tainted syzkaller #0 [ 226.930071][ T7039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.931485][ T7039] Call trace: [ 226.931935][ T7039] dump_backtrace+0x0/0x43c [ 226.932639][ T7039] show_stack+0x2c/0x3c [ 226.933350][ T7039] __dump_stack+0x30/0x40 [ 226.934072][ T7039] dump_stack_lvl+0xf8/0x160 [ 226.934862][ T7039] dump_stack+0x1c/0x5c [ 226.935524][ T7039] sysfs_create_dir_ns+0x22c/0x24c [ 226.936306][ T7039] kobject_add_internal+0x590/0xc54 [ 226.937113][ T7039] kobject_init_and_add+0x118/0x17c [ 226.937925][ T7039] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.938608][ T7039] gfs2_fill_super+0xdac/0x19e0 [ 226.939319][ T7039] get_tree_bdev+0x358/0x544 [ 226.940133][ T7039] gfs2_get_tree+0x54/0x1b4 [ 226.940844][ T7039] vfs_get_tree+0x90/0x274 [ 226.941556][ T7039] do_new_mount+0x228/0x810 [ 226.942240][ T7039] path_mount+0x5b4/0x1000 [ 226.942925][ T7039] __arm64_sys_mount+0x514/0x5e4 [ 226.943637][ T7039] invoke_syscall+0x98/0x2b8 [ 226.944315][ T7039] el0_svc_common+0x138/0x258 [ 226.944995][ T7039] do_el0_svc+0x58/0x14c [ 226.945588][ T7039] el0_svc+0x78/0x1e0 [ 226.946281][ T7039] el0t_64_sync_handler+0xcc/0xe4 [ 226.947108][ T7039] el0t_64_sync+0x1a0/0x1a4 [ 226.948389][ T7039] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.950123][ T7039] gfs2: fsid=}: error -17 adding sysfs files [ 227.080885][ T7042] loop1: detected capacity change from 0 to 32768 [ 227.128224][ T7042] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.129300][ T7042] CPU: 0 PID: 7042 Comm: syz.1.684 Not tainted syzkaller #0 [ 227.130393][ T7042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.131905][ T7042] Call trace: [ 227.132417][ T7042] dump_backtrace+0x0/0x43c [ 227.133181][ T7042] show_stack+0x2c/0x3c [ 227.133853][ T7042] __dump_stack+0x30/0x40 [ 227.134596][ T7042] dump_stack_lvl+0xf8/0x160 [ 227.135364][ T7042] dump_stack+0x1c/0x5c [ 227.136026][ T7042] sysfs_create_dir_ns+0x22c/0x24c [ 227.136881][ T7042] kobject_add_internal+0x590/0xc54 [ 227.137710][ T7042] kobject_init_and_add+0x118/0x17c [ 227.138559][ T7042] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.139328][ T7042] gfs2_fill_super+0xdac/0x19e0 [ 227.140078][ T7042] get_tree_bdev+0x358/0x544 [ 227.140757][ T7042] gfs2_get_tree+0x54/0x1b4 [ 227.141429][ T7042] vfs_get_tree+0x90/0x274 [ 227.142068][ T7042] do_new_mount+0x228/0x810 [ 227.142763][ T7042] path_mount+0x5b4/0x1000 [ 227.143461][ T7042] __arm64_sys_mount+0x514/0x5e4 [ 227.144245][ T7042] invoke_syscall+0x98/0x2b8 [ 227.144967][ T7042] el0_svc_common+0x138/0x258 [ 227.145747][ T7042] do_el0_svc+0x58/0x14c [ 227.146408][ T7042] el0_svc+0x78/0x1e0 [ 227.147067][ T7042] el0t_64_sync_handler+0xcc/0xe4 [ 227.147836][ T7042] el0t_64_sync+0x1a0/0x1a4 [ 227.150381][ T7042] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.152327][ T7042] gfs2: fsid=}: error -17 adding sysfs files [ 227.279166][ T7045] loop1: detected capacity change from 0 to 32768 [ 227.384354][ T7045] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.386598][ T7045] CPU: 1 PID: 7045 Comm: syz.1.685 Not tainted syzkaller #0 [ 227.387803][ T7045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.389335][ T7045] Call trace: [ 227.389853][ T7045] dump_backtrace+0x0/0x43c [ 227.390537][ T7045] show_stack+0x2c/0x3c [ 227.391179][ T7045] __dump_stack+0x30/0x40 [ 227.391859][ T7045] dump_stack_lvl+0xf8/0x160 [ 227.392674][ T7045] dump_stack+0x1c/0x5c [ 227.393395][ T7045] sysfs_create_dir_ns+0x22c/0x24c [ 227.394305][ T7045] kobject_add_internal+0x590/0xc54 [ 227.395214][ T7045] kobject_init_and_add+0x118/0x17c [ 227.396096][ T7045] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.396791][ T7045] gfs2_fill_super+0xdac/0x19e0 [ 227.397541][ T7045] get_tree_bdev+0x358/0x544 [ 227.398315][ T7045] gfs2_get_tree+0x54/0x1b4 [ 227.399022][ T7045] vfs_get_tree+0x90/0x274 [ 227.399652][ T7045] do_new_mount+0x228/0x810 [ 227.400345][ T7045] path_mount+0x5b4/0x1000 [ 227.400989][ T7045] __arm64_sys_mount+0x514/0x5e4 [ 227.401810][ T7045] invoke_syscall+0x98/0x2b8 [ 227.402474][ T7045] el0_svc_common+0x138/0x258 [ 227.403213][ T7045] do_el0_svc+0x58/0x14c [ 227.403837][ T7045] el0_svc+0x78/0x1e0 [ 227.404437][ T7045] el0t_64_sync_handler+0xcc/0xe4 [ 227.405275][ T7045] el0t_64_sync+0x1a0/0x1a4 [ 227.406236][ T7045] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.408091][ T7045] gfs2: fsid=}: error -17 adding sysfs files [ 227.538226][ T7048] loop1: detected capacity change from 0 to 32768 [ 227.573483][ T7048] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.574548][ T7048] CPU: 0 PID: 7048 Comm: syz.1.686 Not tainted syzkaller #0 [ 227.575670][ T7048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.577174][ T7048] Call trace: [ 227.577639][ T7048] dump_backtrace+0x0/0x43c [ 227.578279][ T7048] show_stack+0x2c/0x3c [ 227.578877][ T7048] __dump_stack+0x30/0x40 [ 227.579507][ T7048] dump_stack_lvl+0xf8/0x160 [ 227.580166][ T7048] dump_stack+0x1c/0x5c [ 227.580756][ T7048] sysfs_create_dir_ns+0x22c/0x24c [ 227.581462][ T7048] kobject_add_internal+0x590/0xc54 [ 227.582157][ T7048] kobject_init_and_add+0x118/0x17c [ 227.583010][ T7048] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.583728][ T7048] gfs2_fill_super+0xdac/0x19e0 [ 227.584455][ T7048] get_tree_bdev+0x358/0x544 [ 227.585125][ T7048] gfs2_get_tree+0x54/0x1b4 [ 227.585796][ T7048] vfs_get_tree+0x90/0x274 [ 227.586481][ T7048] do_new_mount+0x228/0x810 [ 227.587165][ T7048] path_mount+0x5b4/0x1000 [ 227.587913][ T7048] __arm64_sys_mount+0x514/0x5e4 [ 227.588675][ T7048] invoke_syscall+0x98/0x2b8 [ 227.589374][ T7048] el0_svc_common+0x138/0x258 [ 227.590058][ T7048] do_el0_svc+0x58/0x14c [ 227.590710][ T7048] el0_svc+0x78/0x1e0 [ 227.591284][ T7048] el0t_64_sync_handler+0xcc/0xe4 [ 227.592053][ T7048] el0t_64_sync+0x1a0/0x1a4 [ 227.593261][ T7048] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.594890][ T7048] gfs2: fsid=}: error -17 adding sysfs files [ 227.769040][ T7051] loop1: detected capacity change from 0 to 32768 [ 227.807185][ T7051] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.808250][ T7051] CPU: 0 PID: 7051 Comm: syz.1.687 Not tainted syzkaller #0 [ 227.809339][ T7051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.811017][ T7051] Call trace: [ 227.811555][ T7051] dump_backtrace+0x0/0x43c [ 227.812308][ T7051] show_stack+0x2c/0x3c [ 227.813019][ T7051] __dump_stack+0x30/0x40 [ 227.813722][ T7051] dump_stack_lvl+0xf8/0x160 [ 227.814418][ T7051] dump_stack+0x1c/0x5c [ 227.815124][ T7051] sysfs_create_dir_ns+0x22c/0x24c [ 227.815956][ T7051] kobject_add_internal+0x590/0xc54 [ 227.816765][ T7051] kobject_init_and_add+0x118/0x17c [ 227.817504][ T7051] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.818179][ T7051] gfs2_fill_super+0xdac/0x19e0 [ 227.818860][ T7051] get_tree_bdev+0x358/0x544 [ 227.819531][ T7051] gfs2_get_tree+0x54/0x1b4 [ 227.820177][ T7051] vfs_get_tree+0x90/0x274 [ 227.820864][ T7051] do_new_mount+0x228/0x810 [ 227.821539][ T7051] path_mount+0x5b4/0x1000 [ 227.822186][ T7051] __arm64_sys_mount+0x514/0x5e4 [ 227.823005][ T7051] invoke_syscall+0x98/0x2b8 [ 227.823693][ T7051] el0_svc_common+0x138/0x258 [ 227.824378][ T7051] do_el0_svc+0x58/0x14c [ 227.825039][ T7051] el0_svc+0x78/0x1e0 [ 227.825661][ T7051] el0t_64_sync_handler+0xcc/0xe4 [ 227.826474][ T7051] el0t_64_sync+0x1a0/0x1a4 [ 227.827627][ T7051] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.829493][ T7051] gfs2: fsid=}: error -17 adding sysfs files [ 227.960393][ T7054] loop1: detected capacity change from 0 to 32768 [ 227.969213][ T7054] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.970408][ T7054] CPU: 1 PID: 7054 Comm: syz.1.688 Not tainted syzkaller #0 [ 227.971537][ T7054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.973187][ T7054] Call trace: [ 227.973654][ T7054] dump_backtrace+0x0/0x43c [ 227.974316][ T7054] show_stack+0x2c/0x3c [ 227.974901][ T7054] __dump_stack+0x30/0x40 [ 227.975519][ T7054] dump_stack_lvl+0xf8/0x160 [ 227.976217][ T7054] dump_stack+0x1c/0x5c [ 227.976859][ T7054] sysfs_create_dir_ns+0x22c/0x24c [ 227.977718][ T7054] kobject_add_internal+0x590/0xc54 [ 227.978573][ T7054] kobject_init_and_add+0x118/0x17c [ 227.979327][ T7054] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.980026][ T7054] gfs2_fill_super+0xdac/0x19e0 [ 227.980742][ T7054] get_tree_bdev+0x358/0x544 [ 227.981420][ T7054] gfs2_get_tree+0x54/0x1b4 [ 227.982071][ T7054] vfs_get_tree+0x90/0x274 [ 227.982696][ T7054] do_new_mount+0x228/0x810 [ 227.983419][ T7054] path_mount+0x5b4/0x1000 [ 227.984077][ T7054] __arm64_sys_mount+0x514/0x5e4 [ 227.984861][ T7054] invoke_syscall+0x98/0x2b8 [ 227.985551][ T7054] el0_svc_common+0x138/0x258 [ 227.986259][ T7054] do_el0_svc+0x58/0x14c [ 227.986946][ T7054] el0_svc+0x78/0x1e0 [ 227.987513][ T7054] el0t_64_sync_handler+0xcc/0xe4 [ 227.988234][ T7054] el0t_64_sync+0x1a0/0x1a4 [ 227.989027][ T7054] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.990782][ T7054] gfs2: fsid=}: error -17 adding sysfs files [ 228.119006][ T7057] loop1: detected capacity change from 0 to 32768 [ 228.126816][ T7057] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.127939][ T7057] CPU: 1 PID: 7057 Comm: syz.1.689 Not tainted syzkaller #0 [ 228.129111][ T7057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.130635][ T7057] Call trace: [ 228.131165][ T7057] dump_backtrace+0x0/0x43c [ 228.131791][ T7057] show_stack+0x2c/0x3c [ 228.132372][ T7057] __dump_stack+0x30/0x40 [ 228.133003][ T7057] dump_stack_lvl+0xf8/0x160 [ 228.133664][ T7057] dump_stack+0x1c/0x5c [ 228.134371][ T7057] sysfs_create_dir_ns+0x22c/0x24c [ 228.135228][ T7057] kobject_add_internal+0x590/0xc54 [ 228.136085][ T7057] kobject_init_and_add+0x118/0x17c [ 228.136957][ T7057] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.137746][ T7057] gfs2_fill_super+0xdac/0x19e0 [ 228.138526][ T7057] get_tree_bdev+0x358/0x544 [ 228.139269][ T7057] gfs2_get_tree+0x54/0x1b4 [ 228.140003][ T7057] vfs_get_tree+0x90/0x274 [ 228.140766][ T7057] do_new_mount+0x228/0x810 [ 228.141555][ T7057] path_mount+0x5b4/0x1000 [ 228.142316][ T7057] __arm64_sys_mount+0x514/0x5e4 [ 228.143115][ T7057] invoke_syscall+0x98/0x2b8 [ 228.143856][ T7057] el0_svc_common+0x138/0x258 [ 228.144621][ T7057] do_el0_svc+0x58/0x14c [ 228.145277][ T7057] el0_svc+0x78/0x1e0 [ 228.145935][ T7057] el0t_64_sync_handler+0xcc/0xe4 [ 228.146772][ T7057] el0t_64_sync+0x1a0/0x1a4 [ 228.147929][ T7057] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.149926][ T7057] gfs2: fsid=}: error -17 adding sysfs files [ 228.278411][ T7060] loop1: detected capacity change from 0 to 32768 [ 228.286633][ T7060] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.287722][ T7060] CPU: 1 PID: 7060 Comm: syz.1.690 Not tainted syzkaller #0 [ 228.288867][ T7060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.290457][ T7060] Call trace: [ 228.290935][ T7060] dump_backtrace+0x0/0x43c [ 228.291601][ T7060] show_stack+0x2c/0x3c [ 228.292253][ T7060] __dump_stack+0x30/0x40 [ 228.292919][ T7060] dump_stack_lvl+0xf8/0x160 [ 228.293596][ T7060] dump_stack+0x1c/0x5c [ 228.294177][ T7060] sysfs_create_dir_ns+0x22c/0x24c [ 228.294918][ T7060] kobject_add_internal+0x590/0xc54 [ 228.295658][ T7060] kobject_init_and_add+0x118/0x17c [ 228.296450][ T7060] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.297184][ T7060] gfs2_fill_super+0xdac/0x19e0 [ 228.297919][ T7060] get_tree_bdev+0x358/0x544 [ 228.298591][ T7060] gfs2_get_tree+0x54/0x1b4 [ 228.299243][ T7060] vfs_get_tree+0x90/0x274 [ 228.299966][ T7060] do_new_mount+0x228/0x810 [ 228.300736][ T7060] path_mount+0x5b4/0x1000 [ 228.301480][ T7060] __arm64_sys_mount+0x514/0x5e4 [ 228.302311][ T7060] invoke_syscall+0x98/0x2b8 [ 228.303022][ T7060] el0_svc_common+0x138/0x258 [ 228.303695][ T7060] do_el0_svc+0x58/0x14c [ 228.304324][ T7060] el0_svc+0x78/0x1e0 [ 228.304906][ T7060] el0t_64_sync_handler+0xcc/0xe4 [ 228.305720][ T7060] el0t_64_sync+0x1a0/0x1a4 [ 228.308298][ T7060] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.310313][ T7060] gfs2: fsid=}: error -17 adding sysfs files [ 228.442647][ T7063] loop1: detected capacity change from 0 to 32768 [ 228.449227][ T7063] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.450284][ T7063] CPU: 1 PID: 7063 Comm: syz.1.691 Not tainted syzkaller #0 [ 228.451456][ T7063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.452921][ T7063] Call trace: [ 228.453469][ T7063] dump_backtrace+0x0/0x43c [ 228.454154][ T7063] show_stack+0x2c/0x3c [ 228.454763][ T7063] __dump_stack+0x30/0x40 [ 228.455451][ T7063] dump_stack_lvl+0xf8/0x160 [ 228.456149][ T7063] dump_stack+0x1c/0x5c [ 228.456786][ T7063] sysfs_create_dir_ns+0x22c/0x24c [ 228.457494][ T7063] kobject_add_internal+0x590/0xc54 [ 228.458263][ T7063] kobject_init_and_add+0x118/0x17c [ 228.458994][ T7063] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.459713][ T7063] gfs2_fill_super+0xdac/0x19e0 [ 228.460384][ T7063] get_tree_bdev+0x358/0x544 [ 228.461036][ T7063] gfs2_get_tree+0x54/0x1b4 [ 228.461664][ T7063] vfs_get_tree+0x90/0x274 [ 228.462301][ T7063] do_new_mount+0x228/0x810 [ 228.462992][ T7063] path_mount+0x5b4/0x1000 [ 228.463642][ T7063] __arm64_sys_mount+0x514/0x5e4 [ 228.464388][ T7063] invoke_syscall+0x98/0x2b8 [ 228.465062][ T7063] el0_svc_common+0x138/0x258 [ 228.465756][ T7063] do_el0_svc+0x58/0x14c [ 228.466503][ T7063] el0_svc+0x78/0x1e0 [ 228.467108][ T7063] el0t_64_sync_handler+0xcc/0xe4 [ 228.467862][ T7063] el0t_64_sync+0x1a0/0x1a4 [ 228.470675][ T7063] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.472915][ T7063] gfs2: fsid=}: error -17 adding sysfs files [ 228.602104][ T7066] loop1: detected capacity change from 0 to 32768 [ 228.653247][ T7066] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.654274][ T7066] CPU: 0 PID: 7066 Comm: syz.1.692 Not tainted syzkaller #0 [ 228.655388][ T7066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.656842][ T7066] Call trace: [ 228.657306][ T7066] dump_backtrace+0x0/0x43c [ 228.657977][ T7066] show_stack+0x2c/0x3c [ 228.658597][ T7066] __dump_stack+0x30/0x40 [ 228.659187][ T7066] dump_stack_lvl+0xf8/0x160 [ 228.659889][ T7066] dump_stack+0x1c/0x5c [ 228.660520][ T7066] sysfs_create_dir_ns+0x22c/0x24c [ 228.661274][ T7066] kobject_add_internal+0x590/0xc54 [ 228.662077][ T7066] kobject_init_and_add+0x118/0x17c [ 228.662871][ T7066] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.663597][ T7066] gfs2_fill_super+0xdac/0x19e0 [ 228.664382][ T7066] get_tree_bdev+0x358/0x544 [ 228.665046][ T7066] gfs2_get_tree+0x54/0x1b4 [ 228.665668][ T7066] vfs_get_tree+0x90/0x274 [ 228.666324][ T7066] do_new_mount+0x228/0x810 [ 228.666985][ T7066] path_mount+0x5b4/0x1000 [ 228.667633][ T7066] __arm64_sys_mount+0x514/0x5e4 [ 228.668346][ T7066] invoke_syscall+0x98/0x2b8 [ 228.669008][ T7066] el0_svc_common+0x138/0x258 [ 228.669710][ T7066] do_el0_svc+0x58/0x14c [ 228.670287][ T7066] el0_svc+0x78/0x1e0 [ 228.670926][ T7066] el0t_64_sync_handler+0xcc/0xe4 [ 228.671693][ T7066] el0t_64_sync+0x1a0/0x1a4 [ 228.673780][ T7066] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.675693][ T7066] gfs2: fsid=}: error -17 adding sysfs files [ 228.806877][ T7069] loop1: detected capacity change from 0 to 32768 [ 228.890929][ T7069] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.892040][ T7069] CPU: 0 PID: 7069 Comm: syz.1.693 Not tainted syzkaller #0 [ 228.893226][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.894766][ T7069] Call trace: [ 228.895326][ T7069] dump_backtrace+0x0/0x43c [ 228.896106][ T7069] show_stack+0x2c/0x3c [ 228.896734][ T7069] __dump_stack+0x30/0x40 [ 228.897409][ T7069] dump_stack_lvl+0xf8/0x160 [ 228.898137][ T7069] dump_stack+0x1c/0x5c [ 228.898831][ T7069] sysfs_create_dir_ns+0x22c/0x24c [ 228.899660][ T7069] kobject_add_internal+0x590/0xc54 [ 228.900438][ T7069] kobject_init_and_add+0x118/0x17c [ 228.901225][ T7069] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.902017][ T7069] gfs2_fill_super+0xdac/0x19e0 [ 228.902763][ T7069] get_tree_bdev+0x358/0x544 [ 228.903455][ T7069] gfs2_get_tree+0x54/0x1b4 [ 228.904138][ T7069] vfs_get_tree+0x90/0x274 [ 228.904817][ T7069] do_new_mount+0x228/0x810 [ 228.905455][ T7069] path_mount+0x5b4/0x1000 [ 228.906058][ T7069] __arm64_sys_mount+0x514/0x5e4 [ 228.906797][ T7069] invoke_syscall+0x98/0x2b8 [ 228.907479][ T7069] el0_svc_common+0x138/0x258 [ 228.908137][ T7069] do_el0_svc+0x58/0x14c [ 228.908738][ T7069] el0_svc+0x78/0x1e0 [ 228.909303][ T7069] el0t_64_sync_handler+0xcc/0xe4 [ 228.910017][ T7069] el0t_64_sync+0x1a0/0x1a4 [ 228.910899][ T7069] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.912963][ T7069] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 680 [ 229.037046][ T7072] loop1: detected capacity change from 0 to 32768 [ 229.073254][ T7072] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.074333][ T7072] CPU: 1 PID: 7072 Comm: syz.1.694 Not tainted syzkaller #0 [ 229.075488][ T7072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.077029][ T7072] Call trace: [ 229.077521][ T7072] dump_backtrace+0x0/0x43c [ 229.078248][ T7072] show_stack+0x2c/0x3c [ 229.078857][ T7072] __dump_stack+0x30/0x40 [ 229.079513][ T7072] dump_stack_lvl+0xf8/0x160 [ 229.080199][ T7072] dump_stack+0x1c/0x5c [ 229.080806][ T7072] sysfs_create_dir_ns+0x22c/0x24c [ 229.081618][ T7072] kobject_add_internal+0x590/0xc54 [ 229.082392][ T7072] kobject_init_and_add+0x118/0x17c [ 229.083162][ T7072] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.083928][ T7072] gfs2_fill_super+0xdac/0x19e0 [ 229.084676][ T7072] get_tree_bdev+0x358/0x544 [ 229.085399][ T7072] gfs2_get_tree+0x54/0x1b4 [ 229.086050][ T7072] vfs_get_tree+0x90/0x274 [ 229.086689][ T7072] do_new_mount+0x228/0x810 [ 229.087372][ T7072] path_mount+0x5b4/0x1000 [ 229.087992][ T7072] __arm64_sys_mount+0x514/0x5e4 [ 229.088765][ T7072] invoke_syscall+0x98/0x2b8 [ 229.089463][ T7072] el0_svc_common+0x138/0x258 [ 229.090232][ T7072] do_el0_svc+0x58/0x14c [ 229.090926][ T7072] el0_svc+0x78/0x1e0 [ 229.091573][ T7072] el0t_64_sync_handler+0xcc/0xe4 [ 229.092434][ T7072] el0t_64_sync+0x1a0/0x1a4 [ 229.094881][ T7072] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.096785][ T7072] gfs2: fsid=}: error -17 adding sysfs files [ 229.271739][ T7075] loop1: detected capacity change from 0 to 32768 [ 229.278911][ T7075] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.279990][ T7075] CPU: 1 PID: 7075 Comm: syz.1.695 Not tainted syzkaller #0 [ 229.281101][ T7075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.282601][ T7075] Call trace: [ 229.283129][ T7075] dump_backtrace+0x0/0x43c [ 229.283815][ T7075] show_stack+0x2c/0x3c [ 229.284480][ T7075] __dump_stack+0x30/0x40 [ 229.285174][ T7075] dump_stack_lvl+0xf8/0x160 [ 229.285874][ T7075] dump_stack+0x1c/0x5c [ 229.286531][ T7075] sysfs_create_dir_ns+0x22c/0x24c [ 229.287316][ T7075] kobject_add_internal+0x590/0xc54 [ 229.288119][ T7075] kobject_init_and_add+0x118/0x17c [ 229.288942][ T7075] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.289642][ T7075] gfs2_fill_super+0xdac/0x19e0 [ 229.290400][ T7075] get_tree_bdev+0x358/0x544 [ 229.291063][ T7075] gfs2_get_tree+0x54/0x1b4 [ 229.291752][ T7075] vfs_get_tree+0x90/0x274 [ 229.292404][ T7075] do_new_mount+0x228/0x810 [ 229.293070][ T7075] path_mount+0x5b4/0x1000 [ 229.293765][ T7075] __arm64_sys_mount+0x514/0x5e4 [ 229.294510][ T7075] invoke_syscall+0x98/0x2b8 [ 229.295170][ T7075] el0_svc_common+0x138/0x258 [ 229.295877][ T7075] do_el0_svc+0x58/0x14c [ 229.296512][ T7075] el0_svc+0x78/0x1e0 [ 229.297112][ T7075] el0t_64_sync_handler+0xcc/0xe4 [ 229.297848][ T7075] el0t_64_sync+0x1a0/0x1a4 [ 229.298838][ T7075] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.300759][ T7075] gfs2: fsid=}: error -17 adding sysfs files [ 229.426196][ T7078] loop1: detected capacity change from 0 to 32768 [ 229.466756][ T7078] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.467810][ T7078] CPU: 1 PID: 7078 Comm: syz.1.696 Not tainted syzkaller #0 [ 229.468968][ T7078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.470575][ T7078] Call trace: [ 229.471023][ T7078] dump_backtrace+0x0/0x43c [ 229.471634][ T7078] show_stack+0x2c/0x3c [ 229.472230][ T7078] __dump_stack+0x30/0x40 [ 229.472814][ T7078] dump_stack_lvl+0xf8/0x160 [ 229.473494][ T7078] dump_stack+0x1c/0x5c [ 229.474093][ T7078] sysfs_create_dir_ns+0x22c/0x24c [ 229.474831][ T7078] kobject_add_internal+0x590/0xc54 [ 229.475692][ T7078] kobject_init_and_add+0x118/0x17c [ 229.476578][ T7078] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.477328][ T7078] gfs2_fill_super+0xdac/0x19e0 [ 229.478090][ T7078] get_tree_bdev+0x358/0x544 [ 229.478747][ T7078] gfs2_get_tree+0x54/0x1b4 [ 229.479389][ T7078] vfs_get_tree+0x90/0x274 [ 229.480012][ T7078] do_new_mount+0x228/0x810 [ 229.480660][ T7078] path_mount+0x5b4/0x1000 [ 229.481263][ T7078] __arm64_sys_mount+0x514/0x5e4 [ 229.481968][ T7078] invoke_syscall+0x98/0x2b8 [ 229.482691][ T7078] el0_svc_common+0x138/0x258 [ 229.483408][ T7078] do_el0_svc+0x58/0x14c [ 229.484028][ T7078] el0_svc+0x78/0x1e0 [ 229.484607][ T7078] el0t_64_sync_handler+0xcc/0xe4 [ 229.485351][ T7078] el0t_64_sync+0x1a0/0x1a4 [ 229.486316][ T7078] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.488195][ T7078] gfs2: fsid=}: error -17 adding sysfs files [ 229.615163][ T7081] loop1: detected capacity change from 0 to 32768 [ 229.621794][ T7081] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.623037][ T7081] CPU: 1 PID: 7081 Comm: syz.1.697 Not tainted syzkaller #0 [ 229.624089][ T7081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.625504][ T7081] Call trace: [ 229.625985][ T7081] dump_backtrace+0x0/0x43c [ 229.626650][ T7081] show_stack+0x2c/0x3c [ 229.627260][ T7081] __dump_stack+0x30/0x40 [ 229.627925][ T7081] dump_stack_lvl+0xf8/0x160 [ 229.628643][ T7081] dump_stack+0x1c/0x5c [ 229.629250][ T7081] sysfs_create_dir_ns+0x22c/0x24c [ 229.629955][ T7081] kobject_add_internal+0x590/0xc54 [ 229.630694][ T7081] kobject_init_and_add+0x118/0x17c [ 229.631415][ T7081] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.632052][ T7081] gfs2_fill_super+0xdac/0x19e0 [ 229.632757][ T7081] get_tree_bdev+0x358/0x544 [ 229.633410][ T7081] gfs2_get_tree+0x54/0x1b4 [ 229.634012][ T7081] vfs_get_tree+0x90/0x274 [ 229.634674][ T7081] do_new_mount+0x228/0x810 [ 229.635347][ T7081] path_mount+0x5b4/0x1000 [ 229.636006][ T7081] __arm64_sys_mount+0x514/0x5e4 [ 229.636706][ T7081] invoke_syscall+0x98/0x2b8 [ 229.637373][ T7081] el0_svc_common+0x138/0x258 [ 229.638031][ T7081] do_el0_svc+0x58/0x14c [ 229.638651][ T7081] el0_svc+0x78/0x1e0 [ 229.639205][ T7081] el0t_64_sync_handler+0xcc/0xe4 [ 229.639986][ T7081] el0t_64_sync+0x1a0/0x1a4 [ 229.641810][ T7081] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.643851][ T7081] gfs2: fsid=}: error -17 adding sysfs files [ 229.774122][ T7084] loop1: detected capacity change from 0 to 32768 [ 229.813241][ T7084] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.814350][ T7084] CPU: 0 PID: 7084 Comm: syz.1.698 Not tainted syzkaller #0 [ 229.815490][ T7084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.817027][ T7084] Call trace: [ 229.817514][ T7084] dump_backtrace+0x0/0x43c [ 229.818198][ T7084] show_stack+0x2c/0x3c [ 229.818877][ T7084] __dump_stack+0x30/0x40 [ 229.819554][ T7084] dump_stack_lvl+0xf8/0x160 [ 229.820275][ T7084] dump_stack+0x1c/0x5c [ 229.820945][ T7084] sysfs_create_dir_ns+0x22c/0x24c [ 229.821661][ T7084] kobject_add_internal+0x590/0xc54 [ 229.822503][ T7084] kobject_init_and_add+0x118/0x17c [ 229.823304][ T7084] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.823988][ T7084] gfs2_fill_super+0xdac/0x19e0 [ 229.824686][ T7084] get_tree_bdev+0x358/0x544 [ 229.825467][ T7084] gfs2_get_tree+0x54/0x1b4 [ 229.826175][ T7084] vfs_get_tree+0x90/0x274 [ 229.826841][ T7084] do_new_mount+0x228/0x810 [ 229.827578][ T7084] path_mount+0x5b4/0x1000 [ 229.828268][ T7084] __arm64_sys_mount+0x514/0x5e4 [ 229.829015][ T7084] invoke_syscall+0x98/0x2b8 [ 229.829717][ T7084] el0_svc_common+0x138/0x258 [ 229.830463][ T7084] do_el0_svc+0x58/0x14c [ 229.831123][ T7084] el0_svc+0x78/0x1e0 [ 229.831759][ T7084] el0t_64_sync_handler+0xcc/0xe4 [ 229.832550][ T7084] el0t_64_sync+0x1a0/0x1a4 [ 229.833399][ T7084] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.835283][ T7084] gfs2: fsid=}: error -17 adding sysfs files [ 230.008423][ T7087] loop1: detected capacity change from 0 to 32768 [ 230.063457][ T7087] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.064542][ T7087] CPU: 0 PID: 7087 Comm: syz.1.699 Not tainted syzkaller #0 [ 230.065681][ T7087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.067236][ T7087] Call trace: [ 230.067696][ T7087] dump_backtrace+0x0/0x43c [ 230.068367][ T7087] show_stack+0x2c/0x3c [ 230.068980][ T7087] __dump_stack+0x30/0x40 [ 230.069629][ T7087] dump_stack_lvl+0xf8/0x160 [ 230.070360][ T7087] dump_stack+0x1c/0x5c [ 230.071022][ T7087] sysfs_create_dir_ns+0x22c/0x24c [ 230.071812][ T7087] kobject_add_internal+0x590/0xc54 [ 230.072641][ T7087] kobject_init_and_add+0x118/0x17c [ 230.073376][ T7087] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.074025][ T7087] gfs2_fill_super+0xdac/0x19e0 [ 230.074743][ T7087] get_tree_bdev+0x358/0x544 [ 230.075455][ T7087] gfs2_get_tree+0x54/0x1b4 [ 230.076163][ T7087] vfs_get_tree+0x90/0x274 [ 230.076901][ T7087] do_new_mount+0x228/0x810 [ 230.077662][ T7087] path_mount+0x5b4/0x1000 [ 230.078373][ T7087] __arm64_sys_mount+0x514/0x5e4 [ 230.079183][ T7087] invoke_syscall+0x98/0x2b8 [ 230.079954][ T7087] el0_svc_common+0x138/0x258 [ 230.080743][ T7087] do_el0_svc+0x58/0x14c [ 230.081431][ T7087] el0_svc+0x78/0x1e0 [ 230.082090][ T7087] el0t_64_sync_handler+0xcc/0xe4 [ 230.082888][ T7087] el0t_64_sync+0x1a0/0x1a4 [ 230.085059][ T7087] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.086811][ T7087] gfs2: fsid=}: error -17 adding sysfs files [ 230.211834][ T7090] loop1: detected capacity change from 0 to 32768 [ 230.253312][ T7090] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.254359][ T7090] CPU: 0 PID: 7090 Comm: syz.1.700 Not tainted syzkaller #0 [ 230.255482][ T7090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.256950][ T7090] Call trace: [ 230.257405][ T7090] dump_backtrace+0x0/0x43c [ 230.258027][ T7090] show_stack+0x2c/0x3c [ 230.258635][ T7090] __dump_stack+0x30/0x40 [ 230.259274][ T7090] dump_stack_lvl+0xf8/0x160 [ 230.259935][ T7090] dump_stack+0x1c/0x5c [ 230.260559][ T7090] sysfs_create_dir_ns+0x22c/0x24c [ 230.261385][ T7090] kobject_add_internal+0x590/0xc54 [ 230.262199][ T7090] kobject_init_and_add+0x118/0x17c [ 230.263011][ T7090] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.263668][ T7090] gfs2_fill_super+0xdac/0x19e0 [ 230.264361][ T7090] get_tree_bdev+0x358/0x544 [ 230.265014][ T7090] gfs2_get_tree+0x54/0x1b4 [ 230.265684][ T7090] vfs_get_tree+0x90/0x274 [ 230.266394][ T7090] do_new_mount+0x228/0x810 [ 230.267113][ T7090] path_mount+0x5b4/0x1000 [ 230.267840][ T7090] __arm64_sys_mount+0x514/0x5e4 [ 230.268612][ T7090] invoke_syscall+0x98/0x2b8 [ 230.269418][ T7090] el0_svc_common+0x138/0x258 [ 230.270226][ T7090] do_el0_svc+0x58/0x14c [ 230.270981][ T7090] el0_svc+0x78/0x1e0 [ 230.271609][ T7090] el0t_64_sync_handler+0xcc/0xe4 [ 230.272358][ T7090] el0t_64_sync+0x1a0/0x1a4 [ 230.273513][ T7090] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.275302][ T7090] gfs2: fsid=}: error -17 adding sysfs files [ 230.451630][ T7093] loop1: detected capacity change from 0 to 32768 [ 230.460450][ T7093] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.461526][ T7093] CPU: 0 PID: 7093 Comm: syz.1.701 Not tainted syzkaller #0 [ 230.462677][ T7093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.464301][ T7093] Call trace: [ 230.464798][ T7093] dump_backtrace+0x0/0x43c [ 230.465463][ T7093] show_stack+0x2c/0x3c [ 230.466069][ T7093] __dump_stack+0x30/0x40 [ 230.466716][ T7093] dump_stack_lvl+0xf8/0x160 [ 230.467386][ T7093] dump_stack+0x1c/0x5c [ 230.467967][ T7093] sysfs_create_dir_ns+0x22c/0x24c [ 230.468736][ T7093] kobject_add_internal+0x590/0xc54 [ 230.469485][ T7093] kobject_init_and_add+0x118/0x17c [ 230.470216][ T7093] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.470941][ T7093] gfs2_fill_super+0xdac/0x19e0 [ 230.471666][ T7093] get_tree_bdev+0x358/0x544 [ 230.472290][ T7093] gfs2_get_tree+0x54/0x1b4 [ 230.472982][ T7093] vfs_get_tree+0x90/0x274 [ 230.473646][ T7093] do_new_mount+0x228/0x810 [ 230.474328][ T7093] path_mount+0x5b4/0x1000 [ 230.474942][ T7093] __arm64_sys_mount+0x514/0x5e4 [ 230.475661][ T7093] invoke_syscall+0x98/0x2b8 [ 230.476324][ T7093] el0_svc_common+0x138/0x258 [ 230.477036][ T7093] do_el0_svc+0x58/0x14c [ 230.477688][ T7093] el0_svc+0x78/0x1e0 [ 230.478294][ T7093] el0t_64_sync_handler+0xcc/0xe4 [ 230.479155][ T7093] el0t_64_sync+0x1a0/0x1a4 [ 230.480009][ T7093] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.481896][ T7093] gfs2: fsid=}: error -17 adding sysfs files [ 230.607761][ T7096] loop1: detected capacity change from 0 to 32768 [ 230.643462][ T7096] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.644839][ T7096] CPU: 1 PID: 7096 Comm: syz.1.702 Not tainted syzkaller #0 [ 230.645955][ T7096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.647516][ T7096] Call trace: [ 230.648044][ T7096] dump_backtrace+0x0/0x43c [ 230.648737][ T7096] show_stack+0x2c/0x3c [ 230.649390][ T7096] __dump_stack+0x30/0x40 [ 230.650121][ T7096] dump_stack_lvl+0xf8/0x160 [ 230.650845][ T7096] dump_stack+0x1c/0x5c [ 230.651530][ T7096] sysfs_create_dir_ns+0x22c/0x24c [ 230.652272][ T7096] kobject_add_internal+0x590/0xc54 [ 230.653021][ T7096] kobject_init_and_add+0x118/0x17c [ 230.653827][ T7096] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.654586][ T7096] gfs2_fill_super+0xdac/0x19e0 [ 230.655329][ T7096] get_tree_bdev+0x358/0x544 [ 230.656074][ T7096] gfs2_get_tree+0x54/0x1b4 [ 230.656832][ T7096] vfs_get_tree+0x90/0x274 [ 230.657598][ T7096] do_new_mount+0x228/0x810 [ 230.658290][ T7096] path_mount+0x5b4/0x1000 [ 230.658966][ T7096] __arm64_sys_mount+0x514/0x5e4 [ 230.659789][ T7096] invoke_syscall+0x98/0x2b8 [ 230.660531][ T7096] el0_svc_common+0x138/0x258 [ 230.661543][ T7096] do_el0_svc+0x58/0x14c [ 230.662193][ T7096] el0_svc+0x78/0x1e0 [ 230.662806][ T7096] el0t_64_sync_handler+0xcc/0xe4 [ 230.663579][ T7096] el0t_64_sync+0x1a0/0x1a4 [ 230.664715][ T7096] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.666671][ T7096] gfs2: fsid=}: error -17 adding sysfs files [ 230.791399][ T7099] loop1: detected capacity change from 0 to 32768 [ 230.833192][ T7099] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.834261][ T7099] CPU: 1 PID: 7099 Comm: syz.1.703 Not tainted syzkaller #0 [ 230.835398][ T7099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.836725][ T7099] Call trace: [ 230.837176][ T7099] dump_backtrace+0x0/0x43c [ 230.837808][ T7099] show_stack+0x2c/0x3c [ 230.838361][ T7099] __dump_stack+0x30/0x40 [ 230.839004][ T7099] dump_stack_lvl+0xf8/0x160 [ 230.839732][ T7099] dump_stack+0x1c/0x5c [ 230.840429][ T7099] sysfs_create_dir_ns+0x22c/0x24c [ 230.841278][ T7099] kobject_add_internal+0x590/0xc54 [ 230.842107][ T7099] kobject_init_and_add+0x118/0x17c [ 230.842984][ T7099] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.843761][ T7099] gfs2_fill_super+0xdac/0x19e0 [ 230.844548][ T7099] get_tree_bdev+0x358/0x544 [ 230.845271][ T7099] gfs2_get_tree+0x54/0x1b4 [ 230.845973][ T7099] vfs_get_tree+0x90/0x274 [ 230.846635][ T7099] do_new_mount+0x228/0x810 [ 230.847317][ T7099] path_mount+0x5b4/0x1000 [ 230.847967][ T7099] __arm64_sys_mount+0x514/0x5e4 [ 230.848723][ T7099] invoke_syscall+0x98/0x2b8 [ 230.849382][ T7099] el0_svc_common+0x138/0x258 [ 230.850055][ T7099] do_el0_svc+0x58/0x14c [ 230.850671][ T7099] el0_svc+0x78/0x1e0 [ 230.851289][ T7099] el0t_64_sync_handler+0xcc/0xe4 [ 230.852007][ T7099] el0t_64_sync+0x1a0/0x1a4 [ 230.854402][ T7099] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.856218][ T7099] gfs2: fsid=}: error -17 adding sysfs files [ 230.987441][ T7102] loop1: detected capacity change from 0 to 32768 [ 231.026885][ T7102] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.027956][ T7102] CPU: 1 PID: 7102 Comm: syz.1.704 Not tainted syzkaller #0 [ 231.029111][ T7102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.030686][ T7102] Call trace: [ 231.031205][ T7102] dump_backtrace+0x0/0x43c [ 231.031919][ T7102] show_stack+0x2c/0x3c [ 231.032534][ T7102] __dump_stack+0x30/0x40 [ 231.033248][ T7102] dump_stack_lvl+0xf8/0x160 [ 231.033914][ T7102] dump_stack+0x1c/0x5c [ 231.034572][ T7102] sysfs_create_dir_ns+0x22c/0x24c [ 231.035352][ T7102] kobject_add_internal+0x590/0xc54 [ 231.036161][ T7102] kobject_init_and_add+0x118/0x17c [ 231.036981][ T7102] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.037730][ T7102] gfs2_fill_super+0xdac/0x19e0 [ 231.038430][ T7102] get_tree_bdev+0x358/0x544 [ 231.039098][ T7102] gfs2_get_tree+0x54/0x1b4 [ 231.039831][ T7102] vfs_get_tree+0x90/0x274 [ 231.040513][ T7102] do_new_mount+0x228/0x810 [ 231.041177][ T7102] path_mount+0x5b4/0x1000 [ 231.041827][ T7102] __arm64_sys_mount+0x514/0x5e4 [ 231.042572][ T7102] invoke_syscall+0x98/0x2b8 [ 231.043319][ T7102] el0_svc_common+0x138/0x258 [ 231.044058][ T7102] do_el0_svc+0x58/0x14c [ 231.044700][ T7102] el0_svc+0x78/0x1e0 [ 231.045282][ T7102] el0t_64_sync_handler+0xcc/0xe4 [ 231.046041][ T7102] el0t_64_sync+0x1a0/0x1a4 [ 231.048179][ T7102] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.050116][ T7102] gfs2: fsid=}: error -17 adding sysfs files [ 231.174501][ T7105] loop1: detected capacity change from 0 to 32768 [ 231.223356][ T7105] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.224368][ T7105] CPU: 0 PID: 7105 Comm: syz.1.705 Not tainted syzkaller #0 [ 231.225535][ T7105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.227197][ T7105] Call trace: [ 231.227683][ T7105] dump_backtrace+0x0/0x43c [ 231.228414][ T7105] show_stack+0x2c/0x3c [ 231.229043][ T7105] __dump_stack+0x30/0x40 [ 231.229653][ T7105] dump_stack_lvl+0xf8/0x160 [ 231.230337][ T7105] dump_stack+0x1c/0x5c [ 231.231010][ T7105] sysfs_create_dir_ns+0x22c/0x24c [ 231.231809][ T7105] kobject_add_internal+0x590/0xc54 [ 231.232603][ T7105] kobject_init_and_add+0x118/0x17c [ 231.233389][ T7105] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.234133][ T7105] gfs2_fill_super+0xdac/0x19e0 [ 231.234888][ T7105] get_tree_bdev+0x358/0x544 [ 231.235521][ T7105] gfs2_get_tree+0x54/0x1b4 [ 231.236162][ T7105] vfs_get_tree+0x90/0x274 [ 231.236884][ T7105] do_new_mount+0x228/0x810 [ 231.237602][ T7105] path_mount+0x5b4/0x1000 [ 231.238263][ T7105] __arm64_sys_mount+0x514/0x5e4 [ 231.239045][ T7105] invoke_syscall+0x98/0x2b8 [ 231.239725][ T7105] el0_svc_common+0x138/0x258 [ 231.240399][ T7105] do_el0_svc+0x58/0x14c [ 231.241036][ T7105] el0_svc+0x78/0x1e0 [ 231.241617][ T7105] el0t_64_sync_handler+0xcc/0xe4 [ 231.242358][ T7105] el0t_64_sync+0x1a0/0x1a4 [ 231.243779][ T7105] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.245618][ T7105] gfs2: fsid=}: error -17 adding sysfs files [ 231.491729][ T7108] loop1: detected capacity change from 0 to 32768 [ 231.537047][ T7108] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.538118][ T7108] CPU: 1 PID: 7108 Comm: syz.1.706 Not tainted syzkaller #0 [ 231.539296][ T7108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.540722][ T7108] Call trace: [ 231.541181][ T7108] dump_backtrace+0x0/0x43c [ 231.541799][ T7108] show_stack+0x2c/0x3c [ 231.542400][ T7108] __dump_stack+0x30/0x40 [ 231.543076][ T7108] dump_stack_lvl+0xf8/0x160 [ 231.543764][ T7108] dump_stack+0x1c/0x5c [ 231.544398][ T7108] sysfs_create_dir_ns+0x22c/0x24c [ 231.545152][ T7108] kobject_add_internal+0x590/0xc54 [ 231.545926][ T7108] kobject_init_and_add+0x118/0x17c [ 231.546807][ T7108] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.547534][ T7108] gfs2_fill_super+0xdac/0x19e0 [ 231.548279][ T7108] get_tree_bdev+0x358/0x544 [ 231.549008][ T7108] gfs2_get_tree+0x54/0x1b4 [ 231.549682][ T7108] vfs_get_tree+0x90/0x274 [ 231.550344][ T7108] do_new_mount+0x228/0x810 [ 231.551018][ T7108] path_mount+0x5b4/0x1000 [ 231.551693][ T7108] __arm64_sys_mount+0x514/0x5e4 [ 231.552416][ T7108] invoke_syscall+0x98/0x2b8 [ 231.553152][ T7108] el0_svc_common+0x138/0x258 [ 231.553861][ T7108] do_el0_svc+0x58/0x14c [ 231.554510][ T7108] el0_svc+0x78/0x1e0 [ 231.555162][ T7108] el0t_64_sync_handler+0xcc/0xe4 [ 231.555934][ T7108] el0t_64_sync+0x1a0/0x1a4 [ 231.558269][ T7108] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.560293][ T7108] gfs2: fsid=}: error -17 adding sysfs files [ 231.686565][ T7111] loop1: detected capacity change from 0 to 32768 [ 231.726493][ T7111] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.727587][ T7111] CPU: 0 PID: 7111 Comm: syz.1.707 Not tainted syzkaller #0 [ 231.728746][ T7111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.730322][ T7111] Call trace: [ 231.730870][ T7111] dump_backtrace+0x0/0x43c [ 231.731606][ T7111] show_stack+0x2c/0x3c [ 231.732240][ T7111] __dump_stack+0x30/0x40 [ 231.732944][ T7111] dump_stack_lvl+0xf8/0x160 [ 231.733661][ T7111] dump_stack+0x1c/0x5c [ 231.734284][ T7111] sysfs_create_dir_ns+0x22c/0x24c [ 231.735053][ T7111] kobject_add_internal+0x590/0xc54 [ 231.735928][ T7111] kobject_init_and_add+0x118/0x17c [ 231.736817][ T7111] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.737583][ T7111] gfs2_fill_super+0xdac/0x19e0 [ 231.738348][ T7111] get_tree_bdev+0x358/0x544 [ 231.739085][ T7111] gfs2_get_tree+0x54/0x1b4 [ 231.739755][ T7111] vfs_get_tree+0x90/0x274 [ 231.740426][ T7111] do_new_mount+0x228/0x810 [ 231.741070][ T7111] path_mount+0x5b4/0x1000 [ 231.741692][ T7111] __arm64_sys_mount+0x514/0x5e4 [ 231.742530][ T7111] invoke_syscall+0x98/0x2b8 [ 231.743263][ T7111] el0_svc_common+0x138/0x258 [ 231.743947][ T7111] do_el0_svc+0x58/0x14c [ 231.744615][ T7111] el0_svc+0x78/0x1e0 [ 231.745284][ T7111] el0t_64_sync_handler+0xcc/0xe4 [ 231.746125][ T7111] el0t_64_sync+0x1a0/0x1a4 [ 231.746971][ T7111] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.748817][ T7111] gfs2: fsid=}: error -17 adding sysfs files [ 231.987592][ T7114] loop1: detected capacity change from 0 to 32768 [ 232.024374][ T7114] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.025717][ T7114] CPU: 1 PID: 7114 Comm: syz.1.708 Not tainted syzkaller #0 [ 232.026822][ T7114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.028438][ T7114] Call trace: [ 232.028933][ T7114] dump_backtrace+0x0/0x43c [ 232.029588][ T7114] show_stack+0x2c/0x3c [ 232.030239][ T7114] __dump_stack+0x30/0x40 [ 232.030817][ T7114] dump_stack_lvl+0xf8/0x160 [ 232.031456][ T7114] dump_stack+0x1c/0x5c [ 232.032010][ T7114] sysfs_create_dir_ns+0x22c/0x24c [ 232.032753][ T7114] kobject_add_internal+0x590/0xc54 [ 232.033508][ T7114] kobject_init_and_add+0x118/0x17c [ 232.034312][ T7114] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.035020][ T7114] gfs2_fill_super+0xdac/0x19e0 [ 232.035743][ T7114] get_tree_bdev+0x358/0x544 [ 232.036451][ T7114] gfs2_get_tree+0x54/0x1b4 [ 232.037169][ T7114] vfs_get_tree+0x90/0x274 [ 232.037827][ T7114] do_new_mount+0x228/0x810 [ 232.038517][ T7114] path_mount+0x5b4/0x1000 [ 232.039171][ T7114] __arm64_sys_mount+0x514/0x5e4 [ 232.039911][ T7114] invoke_syscall+0x98/0x2b8 [ 232.040663][ T7114] el0_svc_common+0x138/0x258 [ 232.041404][ T7114] do_el0_svc+0x58/0x14c [ 232.042069][ T7114] el0_svc+0x78/0x1e0 [ 232.042696][ T7114] el0t_64_sync_handler+0xcc/0xe4 [ 232.043478][ T7114] el0t_64_sync+0x1a0/0x1a4 [ 232.045587][ T7114] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.047312][ T7114] gfs2: fsid=}: error -17 adding sysfs files [ 232.173344][ T7117] loop1: detected capacity change from 0 to 32768 [ 232.182265][ T27] INFO: task syz-executor:4758 blocked for more than 143 seconds. [ 232.183578][ T27] Not tainted syzkaller #0 [ 232.184361][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.185796][ T27] task:syz-executor state:D stack: 0 pid: 4758 ppid: 1 flags:0x00000001 [ 232.187312][ T27] Call trace: [ 232.187813][ T27] __switch_to+0x2f4/0x558 [ 232.188508][ T27] __schedule+0xe08/0x1bf8 [ 232.189189][ T27] schedule+0x11c/0x1c8 [ 232.189860][ T27] bit_wait+0x1c/0xac [ 232.190508][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 232.191373][ T27] gfs2_glock_nq+0x8f8/0x141c [ 232.192113][ T27] __gfs2_lookup+0x110/0x268 [ 232.192916][ T27] gfs2_lookup+0x2c/0x3c [ 232.193669][ T27] __lookup_slow+0x24c/0x380 [ 232.194426][ T27] lookup_slow+0x5c/0x80 [ 232.195084][ T27] walk_component+0x2b0/0x3a8 [ 232.195786][ T27] path_lookupat+0x13c/0x3d0 [ 232.196478][ T27] filename_lookup+0x180/0x414 [ 232.197181][ T27] user_path_at_empty+0x5c/0x1a0 [ 232.197907][ T27] __arm64_sys_umount+0xf4/0x178 [ 232.198665][ T27] invoke_syscall+0x98/0x2b8 [ 232.199311][ T27] el0_svc_common+0x138/0x258 [ 232.199960][ T27] do_el0_svc+0x58/0x14c [ 232.200650][ T27] el0_svc+0x78/0x1e0 [ 232.201252][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.202068][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.203652][ T27] [ 232.203652][ T27] Showing all locks held in the system: [ 232.204829][ T27] 1 lock held by khungtaskd/27: [ 232.205552][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.207129][ T27] 1 lock held by udevd/3662: [ 232.207865][ T27] #0: ffff0000cba6cd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 232.209406][ T27] 2 locks held by getty/3806: [ 232.210143][ T27] #0: ffff0000d3f2e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.211658][ T27] #1: ffff80001bd0e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.213600][ T27] 1 lock held by syz-executor/4758: [ 232.215062][ T27] #0: ffff0000ee412338 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 232.216603][ T27] 1 lock held by udevd/4997: [ 232.217273][ T27] 1 lock held by syz.1.709/7117: [ 232.217709][ T7117] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.218088][ T27] [ 232.219087][ T7117] CPU: 0 PID: 7117 Comm: syz.1.709 Not tainted syzkaller #0 [ 232.219429][ T27] ============================================= [ 232.219429][ T27] [ 232.220396][ T7117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.221788][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.223297][ T7117] Call trace: [ 232.224756][ T7117] dump_backtrace+0x0/0x43c [ 232.225440][ T7117] show_stack+0x2c/0x3c [ 232.226082][ T7117] __dump_stack+0x30/0x40 [ 232.226727][ T7117] dump_stack_lvl+0xf8/0x160 [ 232.227432][ T7117] dump_stack+0x1c/0x5c [ 232.228037][ T7117] sysfs_create_dir_ns+0x22c/0x24c [ 232.228793][ T7117] kobject_add_internal+0x590/0xc54 [ 232.229542][ T7117] kobject_init_and_add+0x118/0x17c [ 232.230302][ T7117] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.230986][ T7117] gfs2_fill_super+0xdac/0x19e0 [ 232.231689][ T7117] get_tree_bdev+0x358/0x544 [ 232.232368][ T7117] gfs2_get_tree+0x54/0x1b4 [ 232.232996][ T7117] vfs_get_tree+0x90/0x274 [ 232.233637][ T7117] do_new_mount+0x228/0x810 [ 232.234378][ T7117] path_mount+0x5b4/0x1000 [ 232.235034][ T7117] __arm64_sys_mount+0x514/0x5e4 [ 232.235783][ T7117] invoke_syscall+0x98/0x2b8 [ 232.236505][ T7117] el0_svc_common+0x138/0x258 [ 232.237262][ T7117] do_el0_svc+0x58/0x14c [ 232.237901][ T7117] el0_svc+0x78/0x1e0 [ 232.238525][ T7117] el0t_64_sync_handler+0xcc/0xe4 [ 232.239292][ T7117] el0t_64_sync+0x1a0/0x1a4 [ 232.239976][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.241000][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.242345][ T27] Call trace: [ 232.242791][ T27] dump_backtrace+0x0/0x43c [ 232.243428][ T27] show_stack+0x2c/0x3c [ 232.244001][ T7117] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.244032][ T27] __dump_stack+0x30/0x40 [ 232.245960][ T7117] gfs2: fsid=}: error -17 adding sysfs files [ 232.246560][ T27] dump_stack_lvl+0xf8/0x160 [ 232.248173][ T27] dump_stack+0x1c/0x5c [ 232.248914][ T27] panic+0x2e4/0x854 [ 232.249555][ T27] hung_task_panic+0x0/0x2c [ 232.250334][ T27] kthread+0x374/0x454 [ 232.250986][ T27] ret_from_fork+0x10/0x20 [ 232.251700][ T27] SMP: stopping secondary CPUs [ 232.252492][ T27] Kernel Offset: disabled [ 232.253229][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.254059][ T27] Memory Limit: none [ 232.598396][ T27] Rebooting in 86400 seconds..