1.865573][ T4596] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.993418][ T4598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.994592][ T4598] CPU: 0 PID: 4598 Comm: syz.1.34 Not tainted syzkaller #0 [ 71.995616][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.997081][ T4598] Call trace: [ 71.997609][ T4598] dump_backtrace+0x1c8/0x1f4 [ 71.998339][ T4598] show_stack+0x2c/0x3c [ 71.998999][ T4598] __dump_stack+0x30/0x40 [ 71.999704][ T4598] dump_stack_lvl+0xf8/0x160 [ 72.000432][ T4598] dump_stack+0x1c/0x5c [ 72.001054][ T4598] sysfs_create_dir_ns+0x22c/0x24c [ 72.001863][ T4598] kobject_add_internal+0x5a8/0xb30 [ 72.002733][ T4598] kobject_init_and_add+0x118/0x17c [ 72.003496][ T4598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.004201][ T4598] gfs2_fill_super+0xdec/0x19ec [ 72.004947][ T4598] get_tree_bdev+0x358/0x544 [ 72.005633][ T4598] gfs2_get_tree+0x54/0x1b4 [ 72.006303][ T4598] vfs_get_tree+0x90/0x274 [ 72.007050][ T4598] do_new_mount+0x228/0x810 [ 72.007693][ T4598] path_mount+0x5b4/0xe78 [ 72.008331][ T4598] __arm64_sys_mount+0x49c/0x584 [ 72.009094][ T4598] invoke_syscall+0x98/0x2bc [ 72.009790][ T4598] el0_svc_common+0x138/0x258 [ 72.010546][ T4598] do_el0_svc+0x58/0x13c [ 72.011214][ T4598] el0_svc+0x58/0x138 [ 72.011839][ T4598] el0t_64_sync_handler+0x84/0xf0 [ 72.012593][ T4598] el0t_64_sync+0x18c/0x190 [ 72.014574][ T4598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.016631][ T4598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.142805][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.143926][ T4601] CPU: 1 PID: 4601 Comm: syz.1.35 Not tainted syzkaller #0 [ 72.144989][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.146557][ T4601] Call trace: [ 72.147044][ T4601] dump_backtrace+0x1c8/0x1f4 [ 72.147827][ T4601] show_stack+0x2c/0x3c [ 72.148442][ T4601] __dump_stack+0x30/0x40 [ 72.149079][ T4601] dump_stack_lvl+0xf8/0x160 [ 72.149815][ T4601] dump_stack+0x1c/0x5c [ 72.150489][ T4601] sysfs_create_dir_ns+0x22c/0x24c [ 72.151241][ T4601] kobject_add_internal+0x5a8/0xb30 [ 72.152032][ T4601] kobject_init_and_add+0x118/0x17c [ 72.152895][ T4601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.153659][ T4601] gfs2_fill_super+0xdec/0x19ec [ 72.154425][ T4601] get_tree_bdev+0x358/0x544 [ 72.155157][ T4601] gfs2_get_tree+0x54/0x1b4 [ 72.155909][ T4601] vfs_get_tree+0x90/0x274 [ 72.156619][ T4601] do_new_mount+0x228/0x810 [ 72.157392][ T4601] path_mount+0x5b4/0xe78 [ 72.158158][ T4601] __arm64_sys_mount+0x49c/0x584 [ 72.158995][ T4601] invoke_syscall+0x98/0x2bc [ 72.159737][ T4601] el0_svc_common+0x138/0x258 [ 72.160448][ T4601] do_el0_svc+0x58/0x13c [ 72.161165][ T4601] el0_svc+0x58/0x138 [ 72.161794][ T4601] el0t_64_sync_handler+0x84/0xf0 [ 72.162630][ T4601] el0t_64_sync+0x18c/0x190 [ 72.163574][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.165960][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.302839][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.304040][ T4603] CPU: 1 PID: 4603 Comm: syz.1.36 Not tainted syzkaller #0 [ 72.305095][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.306551][ T4603] Call trace: [ 72.307040][ T4603] dump_backtrace+0x1c8/0x1f4 [ 72.307827][ T4603] show_stack+0x2c/0x3c [ 72.308439][ T4603] __dump_stack+0x30/0x40 [ 72.309159][ T4603] dump_stack_lvl+0xf8/0x160 [ 72.309954][ T4603] dump_stack+0x1c/0x5c [ 72.310621][ T4603] sysfs_create_dir_ns+0x22c/0x24c [ 72.311474][ T4603] kobject_add_internal+0x5a8/0xb30 [ 72.312282][ T4603] kobject_init_and_add+0x118/0x17c [ 72.313054][ T4603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.313747][ T4603] gfs2_fill_super+0xdec/0x19ec [ 72.314509][ T4603] get_tree_bdev+0x358/0x544 [ 72.315207][ T4603] gfs2_get_tree+0x54/0x1b4 [ 72.315853][ T4603] vfs_get_tree+0x90/0x274 [ 72.316474][ T4603] do_new_mount+0x228/0x810 [ 72.317160][ T4603] path_mount+0x5b4/0xe78 [ 72.317849][ T4603] __arm64_sys_mount+0x49c/0x584 [ 72.318594][ T4603] invoke_syscall+0x98/0x2bc [ 72.319360][ T4603] el0_svc_common+0x138/0x258 [ 72.320101][ T4603] do_el0_svc+0x58/0x13c [ 72.320741][ T4603] el0_svc+0x58/0x138 [ 72.321353][ T4603] el0t_64_sync_handler+0x84/0xf0 [ 72.322098][ T4603] el0t_64_sync+0x18c/0x190 [ 72.324014][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.326136][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.449940][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.451144][ T4605] CPU: 0 PID: 4605 Comm: syz.1.37 Not tainted syzkaller #0 [ 72.452299][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.453856][ T4605] Call trace: [ 72.454336][ T4605] dump_backtrace+0x1c8/0x1f4 [ 72.455032][ T4605] show_stack+0x2c/0x3c [ 72.455549][ T4605] __dump_stack+0x30/0x40 [ 72.456200][ T4605] dump_stack_lvl+0xf8/0x160 [ 72.456882][ T4605] dump_stack+0x1c/0x5c [ 72.457569][ T4605] sysfs_create_dir_ns+0x22c/0x24c [ 72.458388][ T4605] kobject_add_internal+0x5a8/0xb30 [ 72.459104][ T4605] kobject_init_and_add+0x118/0x17c [ 72.459984][ T4605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.460843][ T4605] gfs2_fill_super+0xdec/0x19ec [ 72.461697][ T4605] get_tree_bdev+0x358/0x544 [ 72.462458][ T4605] gfs2_get_tree+0x54/0x1b4 [ 72.463226][ T4605] vfs_get_tree+0x90/0x274 [ 72.463966][ T4605] do_new_mount+0x228/0x810 [ 72.464703][ T4605] path_mount+0x5b4/0xe78 [ 72.465400][ T4605] __arm64_sys_mount+0x49c/0x584 [ 72.466204][ T4605] invoke_syscall+0x98/0x2bc [ 72.466950][ T4605] el0_svc_common+0x138/0x258 [ 72.467668][ T4605] do_el0_svc+0x58/0x13c [ 72.468320][ T4605] el0_svc+0x58/0x138 [ 72.468893][ T4605] el0t_64_sync_handler+0x84/0xf0 [ 72.469657][ T4605] el0t_64_sync+0x18c/0x190 [ 72.470452][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.472476][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.596839][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.598121][ T4607] CPU: 1 PID: 4607 Comm: syz.1.38 Not tainted syzkaller #0 [ 72.599227][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.600858][ T4607] Call trace: [ 72.601332][ T4607] dump_backtrace+0x1c8/0x1f4 [ 72.602126][ T4607] show_stack+0x2c/0x3c [ 72.602769][ T4607] __dump_stack+0x30/0x40 [ 72.603436][ T4607] dump_stack_lvl+0xf8/0x160 [ 72.604202][ T4607] dump_stack+0x1c/0x5c [ 72.604847][ T4607] sysfs_create_dir_ns+0x22c/0x24c [ 72.605613][ T4607] kobject_add_internal+0x5a8/0xb30 [ 72.606398][ T4607] kobject_init_and_add+0x118/0x17c [ 72.607185][ T4607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.607883][ T4607] gfs2_fill_super+0xdec/0x19ec [ 72.608655][ T4607] get_tree_bdev+0x358/0x544 [ 72.609394][ T4607] gfs2_get_tree+0x54/0x1b4 [ 72.610096][ T4607] vfs_get_tree+0x90/0x274 [ 72.610841][ T4607] do_new_mount+0x228/0x810 [ 72.611511][ T4607] path_mount+0x5b4/0xe78 [ 72.612167][ T4607] __arm64_sys_mount+0x49c/0x584 [ 72.612927][ T4607] invoke_syscall+0x98/0x2bc [ 72.613607][ T4607] el0_svc_common+0x138/0x258 [ 72.614360][ T4607] do_el0_svc+0x58/0x13c [ 72.614992][ T4607] el0_svc+0x58/0x138 [ 72.615601][ T4607] el0t_64_sync_handler+0x84/0xf0 [ 72.616318][ T4607] el0t_64_sync+0x18c/0x190 [ 72.618238][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.620374][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.745619][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.746867][ T4609] CPU: 0 PID: 4609 Comm: syz.1.39 Not tainted syzkaller #0 [ 72.747977][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.749621][ T4609] Call trace: [ 72.750144][ T4609] dump_backtrace+0x1c8/0x1f4 [ 72.750901][ T4609] show_stack+0x2c/0x3c [ 72.751586][ T4609] __dump_stack+0x30/0x40 [ 72.752307][ T4609] dump_stack_lvl+0xf8/0x160 [ 72.752980][ T4609] dump_stack+0x1c/0x5c [ 72.753682][ T4609] sysfs_create_dir_ns+0x22c/0x24c [ 72.754491][ T4609] kobject_add_internal+0x5a8/0xb30 [ 72.755230][ T4609] kobject_init_and_add+0x118/0x17c [ 72.755991][ T4609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.756712][ T4609] gfs2_fill_super+0xdec/0x19ec [ 72.757412][ T4609] get_tree_bdev+0x358/0x544 [ 72.758101][ T4609] gfs2_get_tree+0x54/0x1b4 [ 72.758746][ T4609] vfs_get_tree+0x90/0x274 [ 72.759359][ T4609] do_new_mount+0x228/0x810 [ 72.760059][ T4609] path_mount+0x5b4/0xe78 [ 72.760725][ T4609] __arm64_sys_mount+0x49c/0x584 [ 72.761509][ T4609] invoke_syscall+0x98/0x2bc [ 72.762236][ T4609] el0_svc_common+0x138/0x258 [ 72.762958][ T4609] do_el0_svc+0x58/0x13c [ 72.763598][ T4609] el0_svc+0x58/0x138 [ 72.764170][ T4609] el0t_64_sync_handler+0x84/0xf0 [ 72.764963][ T4609] el0t_64_sync+0x18c/0x190 [ 72.766799][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.768770][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.889515][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 72.900499][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.901727][ T4611] CPU: 1 PID: 4611 Comm: syz.1.40 Not tainted syzkaller #0 [ 72.902988][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.904616][ T4611] Call trace: [ 72.905126][ T4611] dump_backtrace+0x1c8/0x1f4 [ 72.905773][ T4611] show_stack+0x2c/0x3c [ 72.906345][ T4611] __dump_stack+0x30/0x40 [ 72.907028][ T4611] dump_stack_lvl+0xf8/0x160 [ 72.907746][ T4611] dump_stack+0x1c/0x5c [ 72.908372][ T4611] sysfs_create_dir_ns+0x22c/0x24c [ 72.909165][ T4611] kobject_add_internal+0x5a8/0xb30 [ 72.909963][ T4611] kobject_init_and_add+0x118/0x17c [ 72.910812][ T4611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.911568][ T4611] gfs2_fill_super+0xdec/0x19ec [ 72.912308][ T4611] get_tree_bdev+0x358/0x544 [ 72.912985][ T4611] gfs2_get_tree+0x54/0x1b4 [ 72.913738][ T4611] vfs_get_tree+0x90/0x274 [ 72.914448][ T4611] do_new_mount+0x228/0x810 [ 72.915084][ T4611] path_mount+0x5b4/0xe78 [ 72.915740][ T4611] __arm64_sys_mount+0x49c/0x584 [ 72.916454][ T4611] invoke_syscall+0x98/0x2bc [ 72.917174][ T4611] el0_svc_common+0x138/0x258 [ 72.917879][ T4611] do_el0_svc+0x58/0x13c [ 72.918530][ T4611] el0_svc+0x58/0x138 [ 72.919176][ T4611] el0t_64_sync_handler+0x84/0xf0 [ 72.919977][ T4611] el0t_64_sync+0x18c/0x190 [ 72.923382][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.925309][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.057775][ T4613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.059080][ T4613] CPU: 1 PID: 4613 Comm: syz.1.41 Not tainted syzkaller #0 [ 73.060231][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.061872][ T4613] Call trace: [ 73.062392][ T4613] dump_backtrace+0x1c8/0x1f4 [ 73.063148][ T4613] show_stack+0x2c/0x3c [ 73.063818][ T4613] __dump_stack+0x30/0x40 [ 73.064447][ T4613] dump_stack_lvl+0xf8/0x160 [ 73.065168][ T4613] dump_stack+0x1c/0x5c [ 73.065832][ T4613] sysfs_create_dir_ns+0x22c/0x24c [ 73.066616][ T4613] kobject_add_internal+0x5a8/0xb30 [ 73.067416][ T4613] kobject_init_and_add+0x118/0x17c [ 73.068224][ T4613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.068922][ T4613] gfs2_fill_super+0xdec/0x19ec [ 73.069631][ T4613] get_tree_bdev+0x358/0x544 [ 73.070350][ T4613] gfs2_get_tree+0x54/0x1b4 [ 73.071039][ T4613] vfs_get_tree+0x90/0x274 [ 73.071730][ T4613] do_new_mount+0x228/0x810 [ 73.072476][ T4613] path_mount+0x5b4/0xe78 [ 73.073094][ T4613] __arm64_sys_mount+0x49c/0x584 [ 73.073926][ T4613] invoke_syscall+0x98/0x2bc [ 73.074643][ T4613] el0_svc_common+0x138/0x258 [ 73.075419][ T4613] do_el0_svc+0x58/0x13c [ 73.076054][ T4613] el0_svc+0x58/0x138 [ 73.076669][ T4613] el0t_64_sync_handler+0x84/0xf0 [ 73.077462][ T4613] el0t_64_sync+0x18c/0x190 [ 73.079522][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.081545][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.201025][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.202198][ T4615] CPU: 0 PID: 4615 Comm: syz.1.42 Not tainted syzkaller #0 [ 73.203318][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.204904][ T4615] Call trace: [ 73.205373][ T4615] dump_backtrace+0x1c8/0x1f4 [ 73.206107][ T4615] show_stack+0x2c/0x3c [ 73.206744][ T4615] __dump_stack+0x30/0x40 [ 73.207399][ T4615] dump_stack_lvl+0xf8/0x160 [ 73.208093][ T4615] dump_stack+0x1c/0x5c [ 73.208730][ T4615] sysfs_create_dir_ns+0x22c/0x24c [ 73.209509][ T4615] kobject_add_internal+0x5a8/0xb30 [ 73.210362][ T4615] kobject_init_and_add+0x118/0x17c [ 73.211165][ T4615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.211949][ T4615] gfs2_fill_super+0xdec/0x19ec [ 73.212707][ T4615] get_tree_bdev+0x358/0x544 [ 73.213440][ T4615] gfs2_get_tree+0x54/0x1b4 [ 73.214156][ T4615] vfs_get_tree+0x90/0x274 [ 73.214908][ T4615] do_new_mount+0x228/0x810 [ 73.215596][ T4615] path_mount+0x5b4/0xe78 [ 73.216301][ T4615] __arm64_sys_mount+0x49c/0x584 [ 73.217131][ T4615] invoke_syscall+0x98/0x2bc [ 73.217840][ T4615] el0_svc_common+0x138/0x258 [ 73.218592][ T4615] do_el0_svc+0x58/0x13c [ 73.219250][ T4615] el0_svc+0x58/0x138 [ 73.219875][ T4615] el0t_64_sync_handler+0x84/0xf0 [ 73.220646][ T4615] el0t_64_sync+0x18c/0x190 [ 73.221518][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.223581][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.353363][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.354719][ T4617] CPU: 1 PID: 4617 Comm: syz.1.43 Not tainted syzkaller #0 [ 73.355935][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.357627][ T4617] Call trace: [ 73.358168][ T4617] dump_backtrace+0x1c8/0x1f4 [ 73.358908][ T4617] show_stack+0x2c/0x3c [ 73.359562][ T4617] __dump_stack+0x30/0x40 [ 73.360303][ T4617] dump_stack_lvl+0xf8/0x160 [ 73.361022][ T4617] dump_stack+0x1c/0x5c [ 73.361700][ T4617] sysfs_create_dir_ns+0x22c/0x24c [ 73.362534][ T4617] kobject_add_internal+0x5a8/0xb30 [ 73.363349][ T4617] kobject_init_and_add+0x118/0x17c [ 73.364202][ T4617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.364986][ T4617] gfs2_fill_super+0xdec/0x19ec [ 73.365792][ T4617] get_tree_bdev+0x358/0x544 [ 73.366536][ T4617] gfs2_get_tree+0x54/0x1b4 [ 73.367281][ T4617] vfs_get_tree+0x90/0x274 [ 73.367956][ T4617] do_new_mount+0x228/0x810 [ 73.368722][ T4617] path_mount+0x5b4/0xe78 [ 73.369491][ T4617] __arm64_sys_mount+0x49c/0x584 [ 73.370299][ T4617] invoke_syscall+0x98/0x2bc [ 73.371007][ T4617] el0_svc_common+0x138/0x258 [ 73.371774][ T4617] do_el0_svc+0x58/0x13c [ 73.372437][ T4617] el0_svc+0x58/0x138 [ 73.373025][ T4617] el0t_64_sync_handler+0x84/0xf0 [ 73.373827][ T4617] el0t_64_sync+0x18c/0x190 [ 73.375881][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.379552][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.502933][ T4619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.504100][ T4619] CPU: 0 PID: 4619 Comm: syz.1.44 Not tainted syzkaller #0 [ 73.505296][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.506840][ T4619] Call trace: [ 73.507361][ T4619] dump_backtrace+0x1c8/0x1f4 [ 73.508108][ T4619] show_stack+0x2c/0x3c [ 73.508727][ T4619] __dump_stack+0x30/0x40 [ 73.509425][ T4619] dump_stack_lvl+0xf8/0x160 [ 73.510162][ T4619] dump_stack+0x1c/0x5c [ 73.510814][ T4619] sysfs_create_dir_ns+0x22c/0x24c [ 73.511630][ T4619] kobject_add_internal+0x5a8/0xb30 [ 73.512436][ T4619] kobject_init_and_add+0x118/0x17c [ 73.513203][ T4619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.513970][ T4619] gfs2_fill_super+0xdec/0x19ec [ 73.514753][ T4619] get_tree_bdev+0x358/0x544 [ 73.515496][ T4619] gfs2_get_tree+0x54/0x1b4 [ 73.516215][ T4619] vfs_get_tree+0x90/0x274 [ 73.516963][ T4619] do_new_mount+0x228/0x810 [ 73.517675][ T4619] path_mount+0x5b4/0xe78 [ 73.518344][ T4619] __arm64_sys_mount+0x49c/0x584 [ 73.519094][ T4619] invoke_syscall+0x98/0x2bc [ 73.519780][ T4619] el0_svc_common+0x138/0x258 [ 73.520568][ T4619] do_el0_svc+0x58/0x13c [ 73.521172][ T4619] el0_svc+0x58/0x138 [ 73.521831][ T4619] el0t_64_sync_handler+0x84/0xf0 [ 73.522583][ T4619] el0t_64_sync+0x18c/0x190 [ 73.523400][ T4619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.525501][ T4619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.660809][ T4621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.662119][ T4621] CPU: 0 PID: 4621 Comm: syz.1.45 Not tainted syzkaller #0 [ 73.663252][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.664889][ T4621] Call trace: [ 73.665367][ T4621] dump_backtrace+0x1c8/0x1f4 [ 73.666136][ T4621] show_stack+0x2c/0x3c [ 73.666797][ T4621] __dump_stack+0x30/0x40 [ 73.667504][ T4621] dump_stack_lvl+0xf8/0x160 [ 73.668221][ T4621] dump_stack+0x1c/0x5c [ 73.668776][ T4621] sysfs_create_dir_ns+0x22c/0x24c [ 73.669552][ T4621] kobject_add_internal+0x5a8/0xb30 [ 73.670354][ T4621] kobject_init_and_add+0x118/0x17c [ 73.671217][ T4621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.671941][ T4621] gfs2_fill_super+0xdec/0x19ec [ 73.672721][ T4621] get_tree_bdev+0x358/0x544 [ 73.673402][ T4621] gfs2_get_tree+0x54/0x1b4 [ 73.674109][ T4621] vfs_get_tree+0x90/0x274 [ 73.674795][ T4621] do_new_mount+0x228/0x810 [ 73.675517][ T4621] path_mount+0x5b4/0xe78 [ 73.676174][ T4621] __arm64_sys_mount+0x49c/0x584 [ 73.677032][ T4621] invoke_syscall+0x98/0x2bc [ 73.677818][ T4621] el0_svc_common+0x138/0x258 [ 73.678612][ T4621] do_el0_svc+0x58/0x13c [ 73.679296][ T4621] el0_svc+0x58/0x138 [ 73.679999][ T4621] el0t_64_sync_handler+0x84/0xf0 [ 73.680831][ T4621] el0t_64_sync+0x18c/0x190 [ 73.681601][ T4621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.683594][ T4621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.810134][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.811245][ T4623] CPU: 0 PID: 4623 Comm: syz.1.46 Not tainted syzkaller #0 [ 73.812243][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.813651][ T4623] Call trace: [ 73.814133][ T4623] dump_backtrace+0x1c8/0x1f4 [ 73.814837][ T4623] show_stack+0x2c/0x3c [ 73.815421][ T4623] __dump_stack+0x30/0x40 [ 73.816086][ T4623] dump_stack_lvl+0xf8/0x160 [ 73.816779][ T4623] dump_stack+0x1c/0x5c [ 73.817385][ T4623] sysfs_create_dir_ns+0x22c/0x24c [ 73.818129][ T4623] kobject_add_internal+0x5a8/0xb30 [ 73.818865][ T4623] kobject_init_and_add+0x118/0x17c [ 73.819689][ T4623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.820445][ T4623] gfs2_fill_super+0xdec/0x19ec [ 73.821195][ T4623] get_tree_bdev+0x358/0x544 [ 73.821860][ T4623] gfs2_get_tree+0x54/0x1b4 [ 73.822565][ T4623] vfs_get_tree+0x90/0x274 [ 73.823214][ T4623] do_new_mount+0x228/0x810 [ 73.823930][ T4623] path_mount+0x5b4/0xe78 [ 73.824614][ T4623] __arm64_sys_mount+0x49c/0x584 [ 73.825367][ T4623] invoke_syscall+0x98/0x2bc [ 73.826082][ T4623] el0_svc_common+0x138/0x258 [ 73.826766][ T4623] do_el0_svc+0x58/0x13c [ 73.827438][ T4623] el0_svc+0x58/0x138 [ 73.828049][ T4623] el0t_64_sync_handler+0x84/0xf0 [ 73.828817][ T4623] el0t_64_sync+0x18c/0x190 [ 73.830108][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.832597][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.965464][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.966696][ T4625] CPU: 1 PID: 4625 Comm: syz.1.47 Not tainted syzkaller #0 [ 73.967852][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.969356][ T4625] Call trace: [ 73.969875][ T4625] dump_backtrace+0x1c8/0x1f4 [ 73.970633][ T4625] show_stack+0x2c/0x3c [ 73.971276][ T4625] __dump_stack+0x30/0x40 [ 73.971860][ T4625] dump_stack_lvl+0xf8/0x160 [ 73.972539][ T4625] dump_stack+0x1c/0x5c [ 73.973125][ T4625] sysfs_create_dir_ns+0x22c/0x24c [ 73.973950][ T4625] kobject_add_internal+0x5a8/0xb30 [ 73.974782][ T4625] kobject_init_and_add+0x118/0x17c [ 73.975640][ T4625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.976354][ T4625] gfs2_fill_super+0xdec/0x19ec [ 73.977103][ T4625] get_tree_bdev+0x358/0x544 [ 73.977790][ T4625] gfs2_get_tree+0x54/0x1b4 [ 73.978518][ T4625] vfs_get_tree+0x90/0x274 [ 73.979190][ T4625] do_new_mount+0x228/0x810 [ 73.979866][ T4625] path_mount+0x5b4/0xe78 [ 73.980541][ T4625] __arm64_sys_mount+0x49c/0x584 [ 73.981364][ T4625] invoke_syscall+0x98/0x2bc [ 73.982076][ T4625] el0_svc_common+0x138/0x258 [ 73.982790][ T4625] do_el0_svc+0x58/0x13c [ 73.983449][ T4625] el0_svc+0x58/0x138 [ 73.984028][ T4625] el0t_64_sync_handler+0x84/0xf0 [ 73.984802][ T4625] el0t_64_sync+0x18c/0x190 [ 73.986825][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.990240][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.113763][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.114914][ T4628] CPU: 0 PID: 4628 Comm: syz.1.48 Not tainted syzkaller #0 [ 74.115994][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.117425][ T4628] Call trace: [ 74.117948][ T4628] dump_backtrace+0x1c8/0x1f4 [ 74.118660][ T4628] show_stack+0x2c/0x3c [ 74.119308][ T4628] __dump_stack+0x30/0x40 [ 74.120030][ T4628] dump_stack_lvl+0xf8/0x160 [ 74.120781][ T4628] dump_stack+0x1c/0x5c [ 74.121406][ T4628] sysfs_create_dir_ns+0x22c/0x24c [ 74.122263][ T4628] kobject_add_internal+0x5a8/0xb30 [ 74.123086][ T4628] kobject_init_and_add+0x118/0x17c [ 74.123930][ T4628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.124692][ T4628] gfs2_fill_super+0xdec/0x19ec [ 74.125473][ T4628] get_tree_bdev+0x358/0x544 [ 74.126158][ T4628] gfs2_get_tree+0x54/0x1b4 [ 74.126884][ T4628] vfs_get_tree+0x90/0x274 [ 74.127543][ T4628] do_new_mount+0x228/0x810 [ 74.128179][ T4628] path_mount+0x5b4/0xe78 [ 74.128918][ T4628] __arm64_sys_mount+0x49c/0x584 [ 74.129680][ T4628] invoke_syscall+0x98/0x2bc [ 74.130437][ T4628] el0_svc_common+0x138/0x258 [ 74.131120][ T4628] do_el0_svc+0x58/0x13c [ 74.131781][ T4628] el0_svc+0x58/0x138 [ 74.132403][ T4628] el0t_64_sync_handler+0x84/0xf0 [ 74.133152][ T4628] el0t_64_sync+0x18c/0x190 [ 74.134034][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.136015][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.275606][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.276854][ T4630] CPU: 1 PID: 4630 Comm: syz.1.49 Not tainted syzkaller #0 [ 74.277941][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.279535][ T4630] Call trace: [ 74.280057][ T4630] dump_backtrace+0x1c8/0x1f4 [ 74.280834][ T4630] show_stack+0x2c/0x3c [ 74.281516][ T4630] __dump_stack+0x30/0x40 [ 74.282186][ T4630] dump_stack_lvl+0xf8/0x160 [ 74.282853][ T4630] dump_stack+0x1c/0x5c [ 74.283537][ T4630] sysfs_create_dir_ns+0x22c/0x24c [ 74.284322][ T4630] kobject_add_internal+0x5a8/0xb30 [ 74.285131][ T4630] kobject_init_and_add+0x118/0x17c [ 74.285949][ T4630] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.286695][ T4630] gfs2_fill_super+0xdec/0x19ec [ 74.287384][ T4630] get_tree_bdev+0x358/0x544 [ 74.288007][ T4630] gfs2_get_tree+0x54/0x1b4 [ 74.288681][ T4630] vfs_get_tree+0x90/0x274 [ 74.289313][ T4630] do_new_mount+0x228/0x810 [ 74.289946][ T4630] path_mount+0x5b4/0xe78 [ 74.290632][ T4630] __arm64_sys_mount+0x49c/0x584 [ 74.291336][ T4630] invoke_syscall+0x98/0x2bc [ 74.292066][ T4630] el0_svc_common+0x138/0x258 [ 74.292786][ T4630] do_el0_svc+0x58/0x13c [ 74.293449][ T4630] el0_svc+0x58/0x138 [ 74.294031][ T4630] el0t_64_sync_handler+0x84/0xf0 [ 74.294829][ T4630] el0t_64_sync+0x18c/0x190 [ 74.297690][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.299686][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.427409][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.428609][ T4632] CPU: 0 PID: 4632 Comm: syz.1.50 Not tainted syzkaller #0 [ 74.429729][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.431458][ T4632] Call trace: [ 74.432021][ T4632] dump_backtrace+0x1c8/0x1f4 [ 74.432792][ T4632] show_stack+0x2c/0x3c [ 74.433461][ T4632] __dump_stack+0x30/0x40 [ 74.434115][ T4632] dump_stack_lvl+0xf8/0x160 [ 74.434886][ T4632] dump_stack+0x1c/0x5c [ 74.435538][ T4632] sysfs_create_dir_ns+0x22c/0x24c [ 74.436328][ T4632] kobject_add_internal+0x5a8/0xb30 [ 74.437225][ T4632] kobject_init_and_add+0x118/0x17c [ 74.438061][ T4632] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.438831][ T4632] gfs2_fill_super+0xdec/0x19ec [ 74.439557][ T4632] get_tree_bdev+0x358/0x544 [ 74.440249][ T4632] gfs2_get_tree+0x54/0x1b4 [ 74.440918][ T4632] vfs_get_tree+0x90/0x274 [ 74.441610][ T4632] do_new_mount+0x228/0x810 [ 74.442307][ T4632] path_mount+0x5b4/0xe78 [ 74.443034][ T4632] __arm64_sys_mount+0x49c/0x584 [ 74.443874][ T4632] invoke_syscall+0x98/0x2bc [ 74.444599][ T4632] el0_svc_common+0x138/0x258 [ 74.445395][ T4632] do_el0_svc+0x58/0x13c [ 74.446020][ T4632] el0_svc+0x58/0x138 [ 74.446651][ T4632] el0t_64_sync_handler+0x84/0xf0 [ 74.447432][ T4632] el0t_64_sync+0x18c/0x190 [ 74.448834][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.451322][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:14 executed programs: 36 [ 74.575754][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.577015][ T4634] CPU: 1 PID: 4634 Comm: syz.1.51 Not tainted syzkaller #0 [ 74.578097][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.579613][ T4634] Call trace: [ 74.580146][ T4634] dump_backtrace+0x1c8/0x1f4 [ 74.580952][ T4634] show_stack+0x2c/0x3c [ 74.581612][ T4634] __dump_stack+0x30/0x40 [ 74.582261][ T4634] dump_stack_lvl+0xf8/0x160 [ 74.582956][ T4634] dump_stack+0x1c/0x5c [ 74.583630][ T4634] sysfs_create_dir_ns+0x22c/0x24c [ 74.584431][ T4634] kobject_add_internal+0x5a8/0xb30 [ 74.585190][ T4634] kobject_init_and_add+0x118/0x17c [ 74.585980][ T4634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.586726][ T4634] gfs2_fill_super+0xdec/0x19ec [ 74.587501][ T4634] get_tree_bdev+0x358/0x544 [ 74.588277][ T4634] gfs2_get_tree+0x54/0x1b4 [ 74.588949][ T4634] vfs_get_tree+0x90/0x274 [ 74.589613][ T4634] do_new_mount+0x228/0x810 [ 74.590392][ T4634] path_mount+0x5b4/0xe78 [ 74.591081][ T4634] __arm64_sys_mount+0x49c/0x584 [ 74.591857][ T4634] invoke_syscall+0x98/0x2bc [ 74.592563][ T4634] el0_svc_common+0x138/0x258 [ 74.593259][ T4634] do_el0_svc+0x58/0x13c [ 74.593898][ T4634] el0_svc+0x58/0x138 [ 74.594521][ T4634] el0t_64_sync_handler+0x84/0xf0 [ 74.595235][ T4634] el0t_64_sync+0x18c/0x190 [ 74.597005][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.599068][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.716986][ T4636] set_capacity_and_notify: 23 callbacks suppressed [ 74.716995][ T4636] loop1: detected capacity change from 0 to 32768 [ 74.719959][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.721106][ T4636] CPU: 0 PID: 4636 Comm: syz.1.52 Not tainted syzkaller #0 [ 74.722229][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.723675][ T4636] Call trace: [ 74.724211][ T4636] dump_backtrace+0x1c8/0x1f4 [ 74.724906][ T4636] show_stack+0x2c/0x3c [ 74.725570][ T4636] __dump_stack+0x30/0x40 [ 74.726227][ T4636] dump_stack_lvl+0xf8/0x160 [ 74.726901][ T4636] dump_stack+0x1c/0x5c [ 74.727570][ T4636] sysfs_create_dir_ns+0x22c/0x24c [ 74.728358][ T4636] kobject_add_internal+0x5a8/0xb30 [ 74.729209][ T4636] kobject_init_and_add+0x118/0x17c [ 74.730046][ T4636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.730860][ T4636] gfs2_fill_super+0xdec/0x19ec [ 74.731588][ T4636] get_tree_bdev+0x358/0x544 [ 74.732298][ T4636] gfs2_get_tree+0x54/0x1b4 [ 74.732987][ T4636] vfs_get_tree+0x90/0x274 [ 74.733660][ T4636] do_new_mount+0x228/0x810 [ 74.734324][ T4636] path_mount+0x5b4/0xe78 [ 74.734955][ T4636] __arm64_sys_mount+0x49c/0x584 [ 74.735661][ T4636] invoke_syscall+0x98/0x2bc [ 74.736377][ T4636] el0_svc_common+0x138/0x258 [ 74.737152][ T4636] do_el0_svc+0x58/0x13c [ 74.737827][ T4636] el0_svc+0x58/0x138 [ 74.738418][ T4636] el0t_64_sync_handler+0x84/0xf0 [ 74.739216][ T4636] el0t_64_sync+0x18c/0x190 [ 74.742311][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.744395][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.863950][ T4638] loop1: detected capacity change from 0 to 32768 [ 74.865745][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.866969][ T4638] CPU: 1 PID: 4638 Comm: syz.1.53 Not tainted syzkaller #0 [ 74.868140][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.869840][ T4638] Call trace: [ 74.870327][ T4638] dump_backtrace+0x1c8/0x1f4 [ 74.871041][ T4638] show_stack+0x2c/0x3c [ 74.871763][ T4638] __dump_stack+0x30/0x40 [ 74.872537][ T4638] dump_stack_lvl+0xf8/0x160 [ 74.873341][ T4638] dump_stack+0x1c/0x5c [ 74.874036][ T4638] sysfs_create_dir_ns+0x22c/0x24c [ 74.874844][ T4638] kobject_add_internal+0x5a8/0xb30 [ 74.875648][ T4638] kobject_init_and_add+0x118/0x17c [ 74.876550][ T4638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.877283][ T4638] gfs2_fill_super+0xdec/0x19ec [ 74.878079][ T4638] get_tree_bdev+0x358/0x544 [ 74.878778][ T4638] gfs2_get_tree+0x54/0x1b4 [ 74.879450][ T4638] vfs_get_tree+0x90/0x274 [ 74.880164][ T4638] do_new_mount+0x228/0x810 [ 74.880892][ T4638] path_mount+0x5b4/0xe78 [ 74.881591][ T4638] __arm64_sys_mount+0x49c/0x584 [ 74.882365][ T4638] invoke_syscall+0x98/0x2bc [ 74.883068][ T4638] el0_svc_common+0x138/0x258 [ 74.883840][ T4638] do_el0_svc+0x58/0x13c [ 74.884462][ T4638] el0_svc+0x58/0x138 [ 74.885064][ T4638] el0t_64_sync_handler+0x84/0xf0 [ 74.885852][ T4638] el0t_64_sync+0x18c/0x190 [ 74.887247][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.889274][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.969758][ T47] Bluetooth: hci1: command 0x040f tx timeout [ 75.009176][ T4640] loop1: detected capacity change from 0 to 32768 [ 75.015288][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.016506][ T4640] CPU: 0 PID: 4640 Comm: syz.1.54 Not tainted syzkaller #0 [ 75.017634][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.019203][ T4640] Call trace: [ 75.019789][ T4640] dump_backtrace+0x1c8/0x1f4 [ 75.020558][ T4640] show_stack+0x2c/0x3c [ 75.021240][ T4640] __dump_stack+0x30/0x40 [ 75.021952][ T4640] dump_stack_lvl+0xf8/0x160 [ 75.022665][ T4640] dump_stack+0x1c/0x5c [ 75.023284][ T4640] sysfs_create_dir_ns+0x22c/0x24c [ 75.024053][ T4640] kobject_add_internal+0x5a8/0xb30 [ 75.024824][ T4640] kobject_init_and_add+0x118/0x17c [ 75.025547][ T4640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.026227][ T4640] gfs2_fill_super+0xdec/0x19ec [ 75.026985][ T4640] get_tree_bdev+0x358/0x544 [ 75.027705][ T4640] gfs2_get_tree+0x54/0x1b4 [ 75.028441][ T4640] vfs_get_tree+0x90/0x274 [ 75.029105][ T4640] do_new_mount+0x228/0x810 [ 75.029784][ T4640] path_mount+0x5b4/0xe78 [ 75.030415][ T4640] __arm64_sys_mount+0x49c/0x584 [ 75.031118][ T4640] invoke_syscall+0x98/0x2bc [ 75.031784][ T4640] el0_svc_common+0x138/0x258 [ 75.032447][ T4640] do_el0_svc+0x58/0x13c [ 75.033061][ T4640] el0_svc+0x58/0x138 [ 75.033639][ T4640] el0t_64_sync_handler+0x84/0xf0 [ 75.034441][ T4640] el0t_64_sync+0x18c/0x190 [ 75.035219][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.037073][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.155995][ T4642] loop1: detected capacity change from 0 to 32768 [ 75.157680][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.158820][ T4642] CPU: 1 PID: 4642 Comm: syz.1.55 Not tainted syzkaller #0 [ 75.159982][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.161610][ T4642] Call trace: [ 75.162098][ T4642] dump_backtrace+0x1c8/0x1f4 [ 75.162804][ T4642] show_stack+0x2c/0x3c [ 75.163468][ T4642] __dump_stack+0x30/0x40 [ 75.164139][ T4642] dump_stack_lvl+0xf8/0x160 [ 75.164796][ T4642] dump_stack+0x1c/0x5c [ 75.165415][ T4642] sysfs_create_dir_ns+0x22c/0x24c [ 75.166205][ T4642] kobject_add_internal+0x5a8/0xb30 [ 75.166959][ T4642] kobject_init_and_add+0x118/0x17c [ 75.167782][ T4642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.168480][ T4642] gfs2_fill_super+0xdec/0x19ec [ 75.169259][ T4642] get_tree_bdev+0x358/0x544 [ 75.170040][ T4642] gfs2_get_tree+0x54/0x1b4 [ 75.170707][ T4642] vfs_get_tree+0x90/0x274 [ 75.171401][ T4642] do_new_mount+0x228/0x810 [ 75.172211][ T4642] path_mount+0x5b4/0xe78 [ 75.172881][ T4642] __arm64_sys_mount+0x49c/0x584 [ 75.173611][ T4642] invoke_syscall+0x98/0x2bc [ 75.174284][ T4642] el0_svc_common+0x138/0x258 [ 75.175022][ T4642] do_el0_svc+0x58/0x13c [ 75.175673][ T4642] el0_svc+0x58/0x138 [ 75.176225][ T4642] el0t_64_sync_handler+0x84/0xf0 [ 75.176968][ T4642] el0t_64_sync+0x18c/0x190 [ 75.178886][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.181000][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.299831][ T4644] loop1: detected capacity change from 0 to 32768 [ 75.301616][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.302784][ T4644] CPU: 0 PID: 4644 Comm: syz.1.56 Not tainted syzkaller #0 [ 75.303921][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.305556][ T4644] Call trace: [ 75.306067][ T4644] dump_backtrace+0x1c8/0x1f4 [ 75.306833][ T4644] show_stack+0x2c/0x3c [ 75.307544][ T4644] __dump_stack+0x30/0x40 [ 75.308264][ T4644] dump_stack_lvl+0xf8/0x160 [ 75.309010][ T4644] dump_stack+0x1c/0x5c [ 75.309668][ T4644] sysfs_create_dir_ns+0x22c/0x24c [ 75.310519][ T4644] kobject_add_internal+0x5a8/0xb30 [ 75.311342][ T4644] kobject_init_and_add+0x118/0x17c [ 75.312155][ T4644] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.312936][ T4644] gfs2_fill_super+0xdec/0x19ec [ 75.313714][ T4644] get_tree_bdev+0x358/0x544 [ 75.314402][ T4644] gfs2_get_tree+0x54/0x1b4 [ 75.315046][ T4644] vfs_get_tree+0x90/0x274 [ 75.315673][ T4644] do_new_mount+0x228/0x810 [ 75.316363][ T4644] path_mount+0x5b4/0xe78 [ 75.316993][ T4644] __arm64_sys_mount+0x49c/0x584 [ 75.317772][ T4644] invoke_syscall+0x98/0x2bc [ 75.318466][ T4644] el0_svc_common+0x138/0x258 [ 75.319214][ T4644] do_el0_svc+0x58/0x13c [ 75.319814][ T4644] el0_svc+0x58/0x138 [ 75.320437][ T4644] el0t_64_sync_handler+0x84/0xf0 [ 75.321145][ T4644] el0t_64_sync+0x18c/0x190 [ 75.321971][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.324016][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.443935][ T4646] loop1: detected capacity change from 0 to 32768 [ 75.445566][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.446742][ T4646] CPU: 1 PID: 4646 Comm: syz.1.57 Not tainted syzkaller #0 [ 75.447911][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.449407][ T4646] Call trace: [ 75.449994][ T4646] dump_backtrace+0x1c8/0x1f4 [ 75.450776][ T4646] show_stack+0x2c/0x3c [ 75.451409][ T4646] __dump_stack+0x30/0x40 [ 75.452062][ T4646] dump_stack_lvl+0xf8/0x160 [ 75.452794][ T4646] dump_stack+0x1c/0x5c [ 75.453480][ T4646] sysfs_create_dir_ns+0x22c/0x24c [ 75.454310][ T4646] kobject_add_internal+0x5a8/0xb30 [ 75.455092][ T4646] kobject_init_and_add+0x118/0x17c [ 75.455937][ T4646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.456618][ T4646] gfs2_fill_super+0xdec/0x19ec [ 75.457329][ T4646] get_tree_bdev+0x358/0x544 [ 75.458018][ T4646] gfs2_get_tree+0x54/0x1b4 [ 75.458708][ T4646] vfs_get_tree+0x90/0x274 [ 75.459368][ T4646] do_new_mount+0x228/0x810 [ 75.460056][ T4646] path_mount+0x5b4/0xe78 [ 75.460686][ T4646] __arm64_sys_mount+0x49c/0x584 [ 75.461353][ T4646] invoke_syscall+0x98/0x2bc [ 75.462029][ T4646] el0_svc_common+0x138/0x258 [ 75.462699][ T4646] do_el0_svc+0x58/0x13c [ 75.463328][ T4646] el0_svc+0x58/0x138 [ 75.463922][ T4646] el0t_64_sync_handler+0x84/0xf0 [ 75.464662][ T4646] el0t_64_sync+0x18c/0x190 [ 75.465507][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.467766][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.589768][ T4648] loop1: detected capacity change from 0 to 32768 [ 75.595564][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.596743][ T4648] CPU: 0 PID: 4648 Comm: syz.1.58 Not tainted syzkaller #0 [ 75.597792][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.599339][ T4648] Call trace: [ 75.599864][ T4648] dump_backtrace+0x1c8/0x1f4 [ 75.600655][ T4648] show_stack+0x2c/0x3c [ 75.601309][ T4648] __dump_stack+0x30/0x40 [ 75.601978][ T4648] dump_stack_lvl+0xf8/0x160 [ 75.602716][ T4648] dump_stack+0x1c/0x5c [ 75.603423][ T4648] sysfs_create_dir_ns+0x22c/0x24c [ 75.604285][ T4648] kobject_add_internal+0x5a8/0xb30 [ 75.605157][ T4648] kobject_init_and_add+0x118/0x17c [ 75.605930][ T4648] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.606717][ T4648] gfs2_fill_super+0xdec/0x19ec [ 75.607505][ T4648] get_tree_bdev+0x358/0x544 [ 75.608222][ T4648] gfs2_get_tree+0x54/0x1b4 [ 75.608910][ T4648] vfs_get_tree+0x90/0x274 [ 75.609631][ T4648] do_new_mount+0x228/0x810 [ 75.610446][ T4648] path_mount+0x5b4/0xe78 [ 75.611105][ T4648] __arm64_sys_mount+0x49c/0x584 [ 75.611912][ T4648] invoke_syscall+0x98/0x2bc [ 75.612653][ T4648] el0_svc_common+0x138/0x258 [ 75.613363][ T4648] do_el0_svc+0x58/0x13c [ 75.614008][ T4648] el0_svc+0x58/0x138 [ 75.614623][ T4648] el0t_64_sync_handler+0x84/0xf0 [ 75.615403][ T4648] el0t_64_sync+0x18c/0x190 [ 75.616654][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.619009][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.735043][ T4650] loop1: detected capacity change from 0 to 32768 [ 75.736750][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.737886][ T4650] CPU: 0 PID: 4650 Comm: syz.1.59 Not tainted syzkaller #0 [ 75.738906][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.740540][ T4650] Call trace: [ 75.741075][ T4650] dump_backtrace+0x1c8/0x1f4 [ 75.741777][ T4650] show_stack+0x2c/0x3c [ 75.742462][ T4650] __dump_stack+0x30/0x40 [ 75.743156][ T4650] dump_stack_lvl+0xf8/0x160 [ 75.743924][ T4650] dump_stack+0x1c/0x5c [ 75.744576][ T4650] sysfs_create_dir_ns+0x22c/0x24c [ 75.745402][ T4650] kobject_add_internal+0x5a8/0xb30 [ 75.746235][ T4650] kobject_init_and_add+0x118/0x17c [ 75.747055][ T4650] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.747746][ T4650] gfs2_fill_super+0xdec/0x19ec [ 75.748520][ T4650] get_tree_bdev+0x358/0x544 [ 75.749266][ T4650] gfs2_get_tree+0x54/0x1b4 [ 75.749982][ T4650] vfs_get_tree+0x90/0x274 [ 75.750635][ T4650] do_new_mount+0x228/0x810 [ 75.751338][ T4650] path_mount+0x5b4/0xe78 [ 75.752007][ T4650] __arm64_sys_mount+0x49c/0x584 [ 75.752762][ T4650] invoke_syscall+0x98/0x2bc [ 75.753539][ T4650] el0_svc_common+0x138/0x258 [ 75.754232][ T4650] do_el0_svc+0x58/0x13c [ 75.754925][ T4650] el0_svc+0x58/0x138 [ 75.755542][ T4650] el0t_64_sync_handler+0x84/0xf0 [ 75.756326][ T4650] el0t_64_sync+0x18c/0x190 [ 75.757594][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.759620][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.880930][ T4652] loop1: detected capacity change from 0 to 32768 [ 75.882966][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.884134][ T4652] CPU: 1 PID: 4652 Comm: syz.1.60 Not tainted syzkaller #0 [ 75.885357][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.886906][ T4652] Call trace: [ 75.887408][ T4652] dump_backtrace+0x1c8/0x1f4 [ 75.888131][ T4652] show_stack+0x2c/0x3c [ 75.888812][ T4652] __dump_stack+0x30/0x40 [ 75.889417][ T4652] dump_stack_lvl+0xf8/0x160 [ 75.890114][ T4652] dump_stack+0x1c/0x5c [ 75.890806][ T4652] sysfs_create_dir_ns+0x22c/0x24c [ 75.891594][ T4652] kobject_add_internal+0x5a8/0xb30 [ 75.892406][ T4652] kobject_init_and_add+0x118/0x17c [ 75.893156][ T4652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.893877][ T4652] gfs2_fill_super+0xdec/0x19ec [ 75.894585][ T4652] get_tree_bdev+0x358/0x544 [ 75.895272][ T4652] gfs2_get_tree+0x54/0x1b4 [ 75.895982][ T4652] vfs_get_tree+0x90/0x274 [ 75.896637][ T4652] do_new_mount+0x228/0x810 [ 75.897310][ T4652] path_mount+0x5b4/0xe78 [ 75.897985][ T4652] __arm64_sys_mount+0x49c/0x584 [ 75.898748][ T4652] invoke_syscall+0x98/0x2bc [ 75.899457][ T4652] el0_svc_common+0x138/0x258 [ 75.900134][ T4652] do_el0_svc+0x58/0x13c [ 75.900775][ T4652] el0_svc+0x58/0x138 [ 75.901396][ T4652] el0t_64_sync_handler+0x84/0xf0 [ 75.902181][ T4652] el0t_64_sync+0x18c/0x190 [ 75.902944][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.905234][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.028752][ T4654] loop1: detected capacity change from 0 to 32768 [ 76.030530][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.031700][ T4654] CPU: 0 PID: 4654 Comm: syz.1.61 Not tainted syzkaller #0 [ 76.032877][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.034512][ T4654] Call trace: [ 76.035022][ T4654] dump_backtrace+0x1c8/0x1f4 [ 76.035720][ T4654] show_stack+0x2c/0x3c [ 76.036351][ T4654] __dump_stack+0x30/0x40 [ 76.037038][ T4654] dump_stack_lvl+0xf8/0x160 [ 76.037697][ T4654] dump_stack+0x1c/0x5c [ 76.038346][ T4654] sysfs_create_dir_ns+0x22c/0x24c [ 76.039135][ T4654] kobject_add_internal+0x5a8/0xb30 [ 76.039914][ T4654] kobject_init_and_add+0x118/0x17c [ 76.040788][ T4654] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.041626][ T4654] gfs2_fill_super+0xdec/0x19ec [ 76.042377][ T4654] get_tree_bdev+0x358/0x544 [ 76.043070][ T4654] gfs2_get_tree+0x54/0x1b4 [ 76.043780][ T4654] vfs_get_tree+0x90/0x274 [ 76.044492][ T4654] do_new_mount+0x228/0x810 [ 76.045123][ T4654] path_mount+0x5b4/0xe78 [ 76.045704][ T4654] __arm64_sys_mount+0x49c/0x584 [ 76.046471][ T4654] invoke_syscall+0x98/0x2bc [ 76.047167][ T4654] el0_svc_common+0x138/0x258 [ 76.047876][ T4654] do_el0_svc+0x58/0x13c [ 76.048559][ T4654] el0_svc+0x58/0x138 [ 76.049203][ T4654] el0t_64_sync_handler+0x84/0xf0 [ 76.049973][ T4654] el0t_64_sync+0x18c/0x190 [ 76.051064][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.053286][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.174952][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.176181][ T4656] CPU: 1 PID: 4656 Comm: syz.1.62 Not tainted syzkaller #0 [ 76.177290][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.178806][ T4656] Call trace: [ 76.179304][ T4656] dump_backtrace+0x1c8/0x1f4 [ 76.180019][ T4656] show_stack+0x2c/0x3c [ 76.180629][ T4656] __dump_stack+0x30/0x40 [ 76.181323][ T4656] dump_stack_lvl+0xf8/0x160 [ 76.182005][ T4656] dump_stack+0x1c/0x5c [ 76.182663][ T4656] sysfs_create_dir_ns+0x22c/0x24c [ 76.183478][ T4656] kobject_add_internal+0x5a8/0xb30 [ 76.184334][ T4656] kobject_init_and_add+0x118/0x17c [ 76.185206][ T4656] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.185927][ T4656] gfs2_fill_super+0xdec/0x19ec [ 76.186673][ T4656] get_tree_bdev+0x358/0x544 [ 76.187399][ T4656] gfs2_get_tree+0x54/0x1b4 [ 76.188075][ T4656] vfs_get_tree+0x90/0x274 [ 76.188788][ T4656] do_new_mount+0x228/0x810 [ 76.189518][ T4656] path_mount+0x5b4/0xe78 [ 76.190108][ T4656] __arm64_sys_mount+0x49c/0x584 [ 76.190808][ T4656] invoke_syscall+0x98/0x2bc [ 76.191529][ T4656] el0_svc_common+0x138/0x258 [ 76.192255][ T4656] do_el0_svc+0x58/0x13c [ 76.192900][ T4656] el0_svc+0x58/0x138 [ 76.193527][ T4656] el0t_64_sync_handler+0x84/0xf0 [ 76.194288][ T4656] el0t_64_sync+0x18c/0x190 [ 76.196170][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.198224][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.315793][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.316943][ T4658] CPU: 0 PID: 4658 Comm: syz.1.63 Not tainted syzkaller #0 [ 76.318097][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.319700][ T4658] Call trace: [ 76.320219][ T4658] dump_backtrace+0x1c8/0x1f4 [ 76.320956][ T4658] show_stack+0x2c/0x3c [ 76.321559][ T4658] __dump_stack+0x30/0x40 [ 76.322281][ T4658] dump_stack_lvl+0xf8/0x160 [ 76.322988][ T4658] dump_stack+0x1c/0x5c [ 76.323646][ T4658] sysfs_create_dir_ns+0x22c/0x24c [ 76.324402][ T4658] kobject_add_internal+0x5a8/0xb30 [ 76.325224][ T4658] kobject_init_and_add+0x118/0x17c [ 76.325991][ T4658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.326696][ T4658] gfs2_fill_super+0xdec/0x19ec [ 76.327459][ T4658] get_tree_bdev+0x358/0x544 [ 76.328120][ T4658] gfs2_get_tree+0x54/0x1b4 [ 76.328844][ T4658] vfs_get_tree+0x90/0x274 [ 76.329563][ T4658] do_new_mount+0x228/0x810 [ 76.330309][ T4658] path_mount+0x5b4/0xe78 [ 76.330936][ T4658] __arm64_sys_mount+0x49c/0x584 [ 76.331609][ T4658] invoke_syscall+0x98/0x2bc [ 76.332350][ T4658] el0_svc_common+0x138/0x258 [ 76.333138][ T4658] do_el0_svc+0x58/0x13c [ 76.333840][ T4658] el0_svc+0x58/0x138 [ 76.334494][ T4658] el0t_64_sync_handler+0x84/0xf0 [ 76.335298][ T4658] el0t_64_sync+0x18c/0x190 [ 76.336334][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.338415][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.458175][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.459393][ T4660] CPU: 0 PID: 4660 Comm: syz.1.64 Not tainted syzkaller #0 [ 76.460552][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.462069][ T4660] Call trace: [ 76.462572][ T4660] dump_backtrace+0x1c8/0x1f4 [ 76.463311][ T4660] show_stack+0x2c/0x3c [ 76.463959][ T4660] __dump_stack+0x30/0x40 [ 76.464600][ T4660] dump_stack_lvl+0xf8/0x160 [ 76.465280][ T4660] dump_stack+0x1c/0x5c [ 76.465955][ T4660] sysfs_create_dir_ns+0x22c/0x24c [ 76.466714][ T4660] kobject_add_internal+0x5a8/0xb30 [ 76.467476][ T4660] kobject_init_and_add+0x118/0x17c [ 76.468311][ T4660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.468985][ T4660] gfs2_fill_super+0xdec/0x19ec [ 76.469715][ T4660] get_tree_bdev+0x358/0x544 [ 76.470427][ T4660] gfs2_get_tree+0x54/0x1b4 [ 76.471068][ T4660] vfs_get_tree+0x90/0x274 [ 76.471780][ T4660] do_new_mount+0x228/0x810 [ 76.472449][ T4660] path_mount+0x5b4/0xe78 [ 76.473119][ T4660] __arm64_sys_mount+0x49c/0x584 [ 76.473876][ T4660] invoke_syscall+0x98/0x2bc [ 76.474614][ T4660] el0_svc_common+0x138/0x258 [ 76.475386][ T4660] do_el0_svc+0x58/0x13c [ 76.476057][ T4660] el0_svc+0x58/0x138 [ 76.476639][ T4660] el0t_64_sync_handler+0x84/0xf0 [ 76.477492][ T4660] el0t_64_sync+0x18c/0x190 [ 76.478355][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.480526][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.604849][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.606561][ T4662] CPU: 1 PID: 4662 Comm: syz.1.65 Not tainted syzkaller #0 [ 76.607682][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.609155][ T4662] Call trace: [ 76.609624][ T4662] dump_backtrace+0x1c8/0x1f4 [ 76.610393][ T4662] show_stack+0x2c/0x3c [ 76.611021][ T4662] __dump_stack+0x30/0x40 [ 76.611711][ T4662] dump_stack_lvl+0xf8/0x160 [ 76.612431][ T4662] dump_stack+0x1c/0x5c [ 76.613102][ T4662] sysfs_create_dir_ns+0x22c/0x24c [ 76.613924][ T4662] kobject_add_internal+0x5a8/0xb30 [ 76.614777][ T4662] kobject_init_and_add+0x118/0x17c [ 76.615558][ T4662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.616237][ T4662] gfs2_fill_super+0xdec/0x19ec [ 76.616955][ T4662] get_tree_bdev+0x358/0x544 [ 76.617709][ T4662] gfs2_get_tree+0x54/0x1b4 [ 76.618389][ T4662] vfs_get_tree+0x90/0x274 [ 76.619031][ T4662] do_new_mount+0x228/0x810 [ 76.619716][ T4662] path_mount+0x5b4/0xe78 [ 76.620374][ T4662] __arm64_sys_mount+0x49c/0x584 [ 76.621129][ T4662] invoke_syscall+0x98/0x2bc [ 76.621895][ T4662] el0_svc_common+0x138/0x258 [ 76.622553][ T4662] do_el0_svc+0x58/0x13c [ 76.623183][ T4662] el0_svc+0x58/0x138 [ 76.623796][ T4662] el0t_64_sync_handler+0x84/0xf0 [ 76.624492][ T4662] el0t_64_sync+0x18c/0x190 [ 76.625305][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.627323][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.751244][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.752461][ T4664] CPU: 0 PID: 4664 Comm: syz.1.66 Not tainted syzkaller #0 [ 76.753608][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.755052][ T4664] Call trace: [ 76.755516][ T4664] dump_backtrace+0x1c8/0x1f4 [ 76.756266][ T4664] show_stack+0x2c/0x3c [ 76.756948][ T4664] __dump_stack+0x30/0x40 [ 76.757639][ T4664] dump_stack_lvl+0xf8/0x160 [ 76.758348][ T4664] dump_stack+0x1c/0x5c [ 76.758989][ T4664] sysfs_create_dir_ns+0x22c/0x24c [ 76.759744][ T4664] kobject_add_internal+0x5a8/0xb30 [ 76.760578][ T4664] kobject_init_and_add+0x118/0x17c [ 76.761367][ T4664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.762145][ T4664] gfs2_fill_super+0xdec/0x19ec [ 76.762887][ T4664] get_tree_bdev+0x358/0x544 [ 76.763581][ T4664] gfs2_get_tree+0x54/0x1b4 [ 76.764248][ T4664] vfs_get_tree+0x90/0x274 [ 76.764898][ T4664] do_new_mount+0x228/0x810 [ 76.765549][ T4664] path_mount+0x5b4/0xe78 [ 76.766146][ T4664] __arm64_sys_mount+0x49c/0x584 [ 76.766876][ T4664] invoke_syscall+0x98/0x2bc [ 76.767565][ T4664] el0_svc_common+0x138/0x258 [ 76.768313][ T4664] do_el0_svc+0x58/0x13c [ 76.768982][ T4664] el0_svc+0x58/0x138 [ 76.769599][ T4664] el0t_64_sync_handler+0x84/0xf0 [ 76.770374][ T4664] el0t_64_sync+0x18c/0x190 [ 76.772260][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.774211][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.892369][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.893649][ T4666] CPU: 1 PID: 4666 Comm: syz.1.67 Not tainted syzkaller #0 [ 76.894756][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.896341][ T4666] Call trace: [ 76.896847][ T4666] dump_backtrace+0x1c8/0x1f4 [ 76.897628][ T4666] show_stack+0x2c/0x3c [ 76.898232][ T4666] __dump_stack+0x30/0x40 [ 76.898867][ T4666] dump_stack_lvl+0xf8/0x160 [ 76.899541][ T4666] dump_stack+0x1c/0x5c [ 76.900134][ T4666] sysfs_create_dir_ns+0x22c/0x24c [ 76.900927][ T4666] kobject_add_internal+0x5a8/0xb30 [ 76.901740][ T4666] kobject_init_and_add+0x118/0x17c [ 76.902480][ T4666] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.903174][ T4666] gfs2_fill_super+0xdec/0x19ec [ 76.903933][ T4666] get_tree_bdev+0x358/0x544 [ 76.904677][ T4666] gfs2_get_tree+0x54/0x1b4 [ 76.905424][ T4666] vfs_get_tree+0x90/0x274 [ 76.906068][ T4666] do_new_mount+0x228/0x810 [ 76.906715][ T4666] path_mount+0x5b4/0xe78 [ 76.907335][ T4666] __arm64_sys_mount+0x49c/0x584 [ 76.908126][ T4666] invoke_syscall+0x98/0x2bc [ 76.908831][ T4666] el0_svc_common+0x138/0x258 [ 76.909580][ T4666] do_el0_svc+0x58/0x13c [ 76.910221][ T4666] el0_svc+0x58/0x138 [ 76.910790][ T4666] el0t_64_sync_handler+0x84/0xf0 [ 76.911616][ T4666] el0t_64_sync+0x18c/0x190 [ 76.912447][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.914425][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.040866][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.042150][ T4668] CPU: 1 PID: 4668 Comm: syz.1.68 Not tainted syzkaller #0 [ 77.043332][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.044865][ T4668] Call trace: [ 77.045386][ T4668] dump_backtrace+0x1c8/0x1f4 [ 77.046149][ T4668] show_stack+0x2c/0x3c [ 77.046743][ T4668] __dump_stack+0x30/0x40 [ 77.047445][ T4668] dump_stack_lvl+0xf8/0x160 [ 77.048158][ T4668] dump_stack+0x1c/0x5c [ 77.048770][ T4668] sysfs_create_dir_ns+0x22c/0x24c [ 77.049542][ T4668] kobject_add_internal+0x5a8/0xb30 [ 77.050349][ T4668] kobject_init_and_add+0x118/0x17c [ 77.051156][ T4668] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.051855][ T4668] gfs2_fill_super+0xdec/0x19ec [ 77.052627][ T4668] get_tree_bdev+0x358/0x544 [ 77.053329][ T4668] gfs2_get_tree+0x54/0x1b4 [ 77.054017][ T4668] vfs_get_tree+0x90/0x274 [ 77.054672][ T4668] do_new_mount+0x228/0x810 [ 77.055362][ T4668] path_mount+0x5b4/0xe78 [ 77.056027][ T4668] __arm64_sys_mount+0x49c/0x584 [ 77.056759][ T4668] invoke_syscall+0x98/0x2bc [ 77.057451][ T4668] el0_svc_common+0x138/0x258 [ 77.058266][ T4668] do_el0_svc+0x58/0x13c [ 77.058894][ T4668] el0_svc+0x58/0x138 [ 77.059521][ T4668] el0t_64_sync_handler+0x84/0xf0 [ 77.060300][ T4668] el0t_64_sync+0x18c/0x190 [ 77.061127][ T47] Bluetooth: hci1: command 0x0419 tx timeout [ 77.062305][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.064561][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.210383][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.211613][ T4670] CPU: 1 PID: 4670 Comm: syz.1.69 Not tainted syzkaller #0 [ 77.212715][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.214361][ T4670] Call trace: [ 77.214866][ T4670] dump_backtrace+0x1c8/0x1f4 [ 77.215593][ T4670] show_stack+0x2c/0x3c [ 77.216218][ T4670] __dump_stack+0x30/0x40 [ 77.216893][ T4670] dump_stack_lvl+0xf8/0x160 [ 77.217540][ T4670] dump_stack+0x1c/0x5c [ 77.218163][ T4670] sysfs_create_dir_ns+0x22c/0x24c [ 77.218929][ T4670] kobject_add_internal+0x5a8/0xb30 [ 77.219671][ T4670] kobject_init_and_add+0x118/0x17c [ 77.220478][ T4670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.221190][ T4670] gfs2_fill_super+0xdec/0x19ec [ 77.221940][ T4670] get_tree_bdev+0x358/0x544 [ 77.222634][ T4670] gfs2_get_tree+0x54/0x1b4 [ 77.223348][ T4670] vfs_get_tree+0x90/0x274 [ 77.224044][ T4670] do_new_mount+0x228/0x810 [ 77.224755][ T4670] path_mount+0x5b4/0xe78 [ 77.225439][ T4670] __arm64_sys_mount+0x49c/0x584 [ 77.226217][ T4670] invoke_syscall+0x98/0x2bc [ 77.226905][ T4670] el0_svc_common+0x138/0x258 [ 77.227569][ T4670] do_el0_svc+0x58/0x13c [ 77.228218][ T4670] el0_svc+0x58/0x138 [ 77.228845][ T4670] el0t_64_sync_handler+0x84/0xf0 [ 77.229551][ T4670] el0t_64_sync+0x18c/0x190 [ 77.230369][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.232299][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.348335][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.349648][ T4672] CPU: 1 PID: 4672 Comm: syz.1.70 Not tainted syzkaller #0 [ 77.350773][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.352419][ T4672] Call trace: [ 77.352911][ T4672] dump_backtrace+0x1c8/0x1f4 [ 77.353562][ T4672] show_stack+0x2c/0x3c [ 77.354158][ T4672] __dump_stack+0x30/0x40 [ 77.354816][ T4672] dump_stack_lvl+0xf8/0x160 [ 77.355626][ T4672] dump_stack+0x1c/0x5c [ 77.356333][ T4672] sysfs_create_dir_ns+0x22c/0x24c [ 77.357093][ T4672] kobject_add_internal+0x5a8/0xb30 [ 77.357887][ T4672] kobject_init_and_add+0x118/0x17c [ 77.358678][ T4672] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.359486][ T4672] gfs2_fill_super+0xdec/0x19ec [ 77.360177][ T4672] get_tree_bdev+0x358/0x544 [ 77.360843][ T4672] gfs2_get_tree+0x54/0x1b4 [ 77.361514][ T4672] vfs_get_tree+0x90/0x274 [ 77.362254][ T4672] do_new_mount+0x228/0x810 [ 77.362964][ T4672] path_mount+0x5b4/0xe78 [ 77.363728][ T4672] __arm64_sys_mount+0x49c/0x584 [ 77.364483][ T4672] invoke_syscall+0x98/0x2bc [ 77.365219][ T4672] el0_svc_common+0x138/0x258 [ 77.365953][ T4672] do_el0_svc+0x58/0x13c [ 77.366608][ T4672] el0_svc+0x58/0x138 [ 77.367231][ T4672] el0t_64_sync_handler+0x84/0xf0 [ 77.367991][ T4672] el0t_64_sync+0x18c/0x190 [ 77.369929][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.371896][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.487747][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.489002][ T4674] CPU: 0 PID: 4674 Comm: syz.1.71 Not tainted syzkaller #0 [ 77.490165][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.491742][ T4674] Call trace: [ 77.492243][ T4674] dump_backtrace+0x1c8/0x1f4 [ 77.493059][ T4674] show_stack+0x2c/0x3c [ 77.493705][ T4674] __dump_stack+0x30/0x40 [ 77.494353][ T4674] dump_stack_lvl+0xf8/0x160 [ 77.495067][ T4674] dump_stack+0x1c/0x5c [ 77.495721][ T4674] sysfs_create_dir_ns+0x22c/0x24c [ 77.496549][ T4674] kobject_add_internal+0x5a8/0xb30 [ 77.497342][ T4674] kobject_init_and_add+0x118/0x17c [ 77.498127][ T4674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.498840][ T4674] gfs2_fill_super+0xdec/0x19ec [ 77.499516][ T4674] get_tree_bdev+0x358/0x544 [ 77.500157][ T4674] gfs2_get_tree+0x54/0x1b4 [ 77.500822][ T4674] vfs_get_tree+0x90/0x274 [ 77.501553][ T4674] do_new_mount+0x228/0x810 [ 77.502230][ T4674] path_mount+0x5b4/0xe78 [ 77.502935][ T4674] __arm64_sys_mount+0x49c/0x584 [ 77.503700][ T4674] invoke_syscall+0x98/0x2bc [ 77.504393][ T4674] el0_svc_common+0x138/0x258 [ 77.505176][ T4674] do_el0_svc+0x58/0x13c [ 77.505840][ T4674] el0_svc+0x58/0x138 [ 77.506430][ T4674] el0t_64_sync_handler+0x84/0xf0 [ 77.507151][ T4674] el0t_64_sync+0x18c/0x190 [ 77.507968][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.510033][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.638089][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.639305][ T4676] CPU: 1 PID: 4676 Comm: syz.1.72 Not tainted syzkaller #0 [ 77.640484][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.642127][ T4676] Call trace: [ 77.642645][ T4676] dump_backtrace+0x1c8/0x1f4 [ 77.643420][ T4676] show_stack+0x2c/0x3c [ 77.644060][ T4676] __dump_stack+0x30/0x40 [ 77.644702][ T4676] dump_stack_lvl+0xf8/0x160 [ 77.645419][ T4676] dump_stack+0x1c/0x5c [ 77.646070][ T4676] sysfs_create_dir_ns+0x22c/0x24c [ 77.646851][ T4676] kobject_add_internal+0x5a8/0xb30 [ 77.647579][ T4676] kobject_init_and_add+0x118/0x17c [ 77.648340][ T4676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.649120][ T4676] gfs2_fill_super+0xdec/0x19ec [ 77.649780][ T4676] get_tree_bdev+0x358/0x544 [ 77.650495][ T4676] gfs2_get_tree+0x54/0x1b4 [ 77.651170][ T4676] vfs_get_tree+0x90/0x274 [ 77.651824][ T4676] do_new_mount+0x228/0x810 [ 77.652470][ T4676] path_mount+0x5b4/0xe78 [ 77.653161][ T4676] __arm64_sys_mount+0x49c/0x584 [ 77.653907][ T4676] invoke_syscall+0x98/0x2bc [ 77.654639][ T4676] el0_svc_common+0x138/0x258 [ 77.655313][ T4676] do_el0_svc+0x58/0x13c [ 77.655901][ T4676] el0_svc+0x58/0x138 [ 77.656542][ T4676] el0t_64_sync_handler+0x84/0xf0 [ 77.657315][ T4676] el0t_64_sync+0x18c/0x190 [ 77.659236][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.661399][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.788773][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.790078][ T4678] CPU: 1 PID: 4678 Comm: syz.1.73 Not tainted syzkaller #0 [ 77.791143][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.792739][ T4678] Call trace: [ 77.793248][ T4678] dump_backtrace+0x1c8/0x1f4 [ 77.793980][ T4678] show_stack+0x2c/0x3c [ 77.794601][ T4678] __dump_stack+0x30/0x40 [ 77.795326][ T4678] dump_stack_lvl+0xf8/0x160 [ 77.796059][ T4678] dump_stack+0x1c/0x5c [ 77.796696][ T4678] sysfs_create_dir_ns+0x22c/0x24c [ 77.797466][ T4678] kobject_add_internal+0x5a8/0xb30 [ 77.798212][ T4678] kobject_init_and_add+0x118/0x17c [ 77.799008][ T4678] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.799711][ T4678] gfs2_fill_super+0xdec/0x19ec [ 77.800478][ T4678] get_tree_bdev+0x358/0x544 [ 77.801188][ T4678] gfs2_get_tree+0x54/0x1b4 [ 77.801905][ T4678] vfs_get_tree+0x90/0x274 [ 77.802623][ T4678] do_new_mount+0x228/0x810 [ 77.803319][ T4678] path_mount+0x5b4/0xe78 [ 77.803930][ T4678] __arm64_sys_mount+0x49c/0x584 [ 77.804657][ T4678] invoke_syscall+0x98/0x2bc [ 77.805331][ T4678] el0_svc_common+0x138/0x258 [ 77.806022][ T4678] do_el0_svc+0x58/0x13c [ 77.806638][ T4678] el0_svc+0x58/0x138 [ 77.807249][ T4678] el0t_64_sync_handler+0x84/0xf0 [ 77.808035][ T4678] el0t_64_sync+0x18c/0x190 [ 77.810005][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.811958][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.951231][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.952443][ T4680] CPU: 0 PID: 4680 Comm: syz.1.74 Not tainted syzkaller #0 [ 77.953644][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.955283][ T4680] Call trace: [ 77.955842][ T4680] dump_backtrace+0x1c8/0x1f4 [ 77.956600][ T4680] show_stack+0x2c/0x3c [ 77.957256][ T4680] __dump_stack+0x30/0x40 [ 77.957977][ T4680] dump_stack_lvl+0xf8/0x160 [ 77.958697][ T4680] dump_stack+0x1c/0x5c [ 77.959397][ T4680] sysfs_create_dir_ns+0x22c/0x24c [ 77.960232][ T4680] kobject_add_internal+0x5a8/0xb30 [ 77.961040][ T4680] kobject_init_and_add+0x118/0x17c [ 77.961875][ T4680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.962653][ T4680] gfs2_fill_super+0xdec/0x19ec [ 77.963431][ T4680] get_tree_bdev+0x358/0x544 [ 77.964157][ T4680] gfs2_get_tree+0x54/0x1b4 [ 77.964865][ T4680] vfs_get_tree+0x90/0x274 [ 77.965576][ T4680] do_new_mount+0x228/0x810 [ 77.966259][ T4680] path_mount+0x5b4/0xe78 [ 77.966907][ T4680] __arm64_sys_mount+0x49c/0x584 [ 77.967656][ T4680] invoke_syscall+0x98/0x2bc [ 77.968346][ T4680] el0_svc_common+0x138/0x258 [ 77.969060][ T4680] do_el0_svc+0x58/0x13c [ 77.969851][ T4680] el0_svc+0x58/0x138 [ 77.970525][ T4680] el0t_64_sync_handler+0x84/0xf0 [ 77.971328][ T4680] el0t_64_sync+0x18c/0x190 [ 77.972518][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.974446][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.112827][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.113996][ T4682] CPU: 1 PID: 4682 Comm: syz.1.75 Not tainted syzkaller #0 [ 78.115104][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.116617][ T4682] Call trace: [ 78.117145][ T4682] dump_backtrace+0x1c8/0x1f4 [ 78.117893][ T4682] show_stack+0x2c/0x3c [ 78.118535][ T4682] __dump_stack+0x30/0x40 [ 78.119196][ T4682] dump_stack_lvl+0xf8/0x160 [ 78.119940][ T4682] dump_stack+0x1c/0x5c [ 78.120579][ T4682] sysfs_create_dir_ns+0x22c/0x24c [ 78.121437][ T4682] kobject_add_internal+0x5a8/0xb30 [ 78.122276][ T4682] kobject_init_and_add+0x118/0x17c [ 78.123140][ T4682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.123905][ T4682] gfs2_fill_super+0xdec/0x19ec [ 78.124740][ T4682] get_tree_bdev+0x358/0x544 [ 78.125508][ T4682] gfs2_get_tree+0x54/0x1b4 [ 78.126171][ T4682] vfs_get_tree+0x90/0x274 [ 78.126848][ T4682] do_new_mount+0x228/0x810 [ 78.127552][ T4682] path_mount+0x5b4/0xe78 [ 78.128373][ T4682] __arm64_sys_mount+0x49c/0x584 [ 78.129174][ T4682] invoke_syscall+0x98/0x2bc [ 78.129931][ T4682] el0_svc_common+0x138/0x258 [ 78.130699][ T4682] do_el0_svc+0x58/0x13c [ 78.131370][ T4682] el0_svc+0x58/0x138 [ 78.131992][ T4682] el0t_64_sync_handler+0x84/0xf0 [ 78.132810][ T4682] el0t_64_sync+0x18c/0x190 [ 78.135073][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.137239][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.257855][ T4684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.259083][ T4684] CPU: 0 PID: 4684 Comm: syz.1.76 Not tainted syzkaller #0 [ 78.260159][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.261814][ T4684] Call trace: [ 78.262365][ T4684] dump_backtrace+0x1c8/0x1f4 [ 78.263079][ T4684] show_stack+0x2c/0x3c [ 78.263781][ T4684] __dump_stack+0x30/0x40 [ 78.264491][ T4684] dump_stack_lvl+0xf8/0x160 [ 78.265214][ T4684] dump_stack+0x1c/0x5c [ 78.265857][ T4684] sysfs_create_dir_ns+0x22c/0x24c [ 78.266681][ T4684] kobject_add_internal+0x5a8/0xb30 [ 78.267473][ T4684] kobject_init_and_add+0x118/0x17c [ 78.268278][ T4684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.269024][ T4684] gfs2_fill_super+0xdec/0x19ec [ 78.269838][ T4684] get_tree_bdev+0x358/0x544 [ 78.270539][ T4684] gfs2_get_tree+0x54/0x1b4 [ 78.271175][ T4684] vfs_get_tree+0x90/0x274 [ 78.271887][ T4684] do_new_mount+0x228/0x810 [ 78.272517][ T4684] path_mount+0x5b4/0xe78 [ 78.273137][ T4684] __arm64_sys_mount+0x49c/0x584 [ 78.273900][ T4684] invoke_syscall+0x98/0x2bc [ 78.274589][ T4684] el0_svc_common+0x138/0x258 [ 78.275366][ T4684] do_el0_svc+0x58/0x13c [ 78.276028][ T4684] el0_svc+0x58/0x138 [ 78.276651][ T4684] el0t_64_sync_handler+0x84/0xf0 [ 78.277383][ T4684] el0t_64_sync+0x18c/0x190 [ 78.279311][ T4684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.281559][ T4684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.403213][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.405398][ T4686] CPU: 1 PID: 4686 Comm: syz.1.77 Not tainted syzkaller #0 [ 78.406572][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.408317][ T4686] Call trace: [ 78.408854][ T4686] dump_backtrace+0x1c8/0x1f4 [ 78.409605][ T4686] show_stack+0x2c/0x3c [ 78.410293][ T4686] __dump_stack+0x30/0x40 [ 78.411014][ T4686] dump_stack_lvl+0xf8/0x160 [ 78.411783][ T4686] dump_stack+0x1c/0x5c [ 78.412487][ T4686] sysfs_create_dir_ns+0x22c/0x24c [ 78.413346][ T4686] kobject_add_internal+0x5a8/0xb30 [ 78.414270][ T4686] kobject_init_and_add+0x118/0x17c [ 78.415141][ T4686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.415934][ T4686] gfs2_fill_super+0xdec/0x19ec [ 78.416743][ T4686] get_tree_bdev+0x358/0x544 [ 78.417529][ T4686] gfs2_get_tree+0x54/0x1b4 [ 78.418310][ T4686] vfs_get_tree+0x90/0x274 [ 78.418947][ T4686] do_new_mount+0x228/0x810 [ 78.419672][ T4686] path_mount+0x5b4/0xe78 [ 78.420326][ T4686] __arm64_sys_mount+0x49c/0x584 [ 78.421087][ T4686] invoke_syscall+0x98/0x2bc [ 78.421794][ T4686] el0_svc_common+0x138/0x258 [ 78.422587][ T4686] do_el0_svc+0x58/0x13c [ 78.423188][ T4686] el0_svc+0x58/0x138 [ 78.423746][ T4686] el0t_64_sync_handler+0x84/0xf0 [ 78.424523][ T4686] el0t_64_sync+0x18c/0x190 [ 78.425356][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.427446][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.545617][ T4688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.546796][ T4688] CPU: 0 PID: 4688 Comm: syz.1.78 Not tainted syzkaller #0 [ 78.547904][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.549477][ T4688] Call trace: [ 78.549970][ T4688] dump_backtrace+0x1c8/0x1f4 [ 78.550722][ T4688] show_stack+0x2c/0x3c [ 78.551397][ T4688] __dump_stack+0x30/0x40 [ 78.552115][ T4688] dump_stack_lvl+0xf8/0x160 [ 78.552844][ T4688] dump_stack+0x1c/0x5c [ 78.553444][ T4688] sysfs_create_dir_ns+0x22c/0x24c [ 78.554227][ T4688] kobject_add_internal+0x5a8/0xb30 [ 78.555098][ T4688] kobject_init_and_add+0x118/0x17c [ 78.555904][ T4688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.556655][ T4688] gfs2_fill_super+0xdec/0x19ec [ 78.557390][ T4688] get_tree_bdev+0x358/0x544 [ 78.558066][ T4688] gfs2_get_tree+0x54/0x1b4 [ 78.558795][ T4688] vfs_get_tree+0x90/0x274 [ 78.559477][ T4688] do_new_mount+0x228/0x810 [ 78.560197][ T4688] path_mount+0x5b4/0xe78 [ 78.560847][ T4688] __arm64_sys_mount+0x49c/0x584 [ 78.561674][ T4688] invoke_syscall+0x98/0x2bc [ 78.562405][ T4688] el0_svc_common+0x138/0x258 [ 78.563204][ T4688] do_el0_svc+0x58/0x13c [ 78.563858][ T4688] el0_svc+0x58/0x138 [ 78.564512][ T4688] el0t_64_sync_handler+0x84/0xf0 [ 78.565363][ T4688] el0t_64_sync+0x18c/0x190 [ 78.567971][ T4688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.570025][ T4688] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.693876][ T4690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.695138][ T4690] CPU: 1 PID: 4690 Comm: syz.1.79 Not tainted syzkaller #0 [ 78.696311][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.697883][ T4690] Call trace: [ 78.698398][ T4690] dump_backtrace+0x1c8/0x1f4 [ 78.699118][ T4690] show_stack+0x2c/0x3c [ 78.699746][ T4690] __dump_stack+0x30/0x40 [ 78.700422][ T4690] dump_stack_lvl+0xf8/0x160 [ 78.701188][ T4690] dump_stack+0x1c/0x5c [ 78.701855][ T4690] sysfs_create_dir_ns+0x22c/0x24c [ 78.702715][ T4690] kobject_add_internal+0x5a8/0xb30 [ 78.703553][ T4690] kobject_init_and_add+0x118/0x17c [ 78.704406][ T4690] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.705209][ T4690] gfs2_fill_super+0xdec/0x19ec [ 78.705985][ T4690] get_tree_bdev+0x358/0x544 [ 78.706665][ T4690] gfs2_get_tree+0x54/0x1b4 [ 78.707348][ T4690] vfs_get_tree+0x90/0x274 [ 78.708091][ T4690] do_new_mount+0x228/0x810 [ 78.708731][ T4690] path_mount+0x5b4/0xe78 [ 78.709397][ T4690] __arm64_sys_mount+0x49c/0x584 [ 78.710185][ T4690] invoke_syscall+0x98/0x2bc [ 78.710923][ T4690] el0_svc_common+0x138/0x258 [ 78.711652][ T4690] do_el0_svc+0x58/0x13c [ 78.712311][ T4690] el0_svc+0x58/0x138 [ 78.712948][ T4690] el0t_64_sync_handler+0x84/0xf0 [ 78.713716][ T4690] el0t_64_sync+0x18c/0x190 [ 78.714459][ T4690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.716449][ T4690] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.836566][ T4692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.837681][ T4692] CPU: 0 PID: 4692 Comm: syz.1.80 Not tainted syzkaller #0 [ 78.838742][ T4692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.840274][ T4692] Call trace: [ 78.840801][ T4692] dump_backtrace+0x1c8/0x1f4 [ 78.841578][ T4692] show_stack+0x2c/0x3c [ 78.842255][ T4692] __dump_stack+0x30/0x40 [ 78.842931][ T4692] dump_stack_lvl+0xf8/0x160 [ 78.843644][ T4692] dump_stack+0x1c/0x5c [ 78.844305][ T4692] sysfs_create_dir_ns+0x22c/0x24c [ 78.845083][ T4692] kobject_add_internal+0x5a8/0xb30 [ 78.845877][ T4692] kobject_init_and_add+0x118/0x17c [ 78.846685][ T4692] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.847486][ T4692] gfs2_fill_super+0xdec/0x19ec [ 78.848261][ T4692] get_tree_bdev+0x358/0x544 [ 78.849025][ T4692] gfs2_get_tree+0x54/0x1b4 [ 78.849822][ T4692] vfs_get_tree+0x90/0x274 [ 78.850560][ T4692] do_new_mount+0x228/0x810 [ 78.851251][ T4692] path_mount+0x5b4/0xe78 [ 78.852033][ T4692] __arm64_sys_mount+0x49c/0x584 [ 78.852738][ T4692] invoke_syscall+0x98/0x2bc [ 78.853451][ T4692] el0_svc_common+0x138/0x258 [ 78.854224][ T4692] do_el0_svc+0x58/0x13c [ 78.854907][ T4692] el0_svc+0x58/0x138 [ 78.855540][ T4692] el0t_64_sync_handler+0x84/0xf0 [ 78.856352][ T4692] el0t_64_sync+0x18c/0x190 [ 78.857145][ T4692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.859569][ T4692] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.984746][ T4694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.985968][ T4694] CPU: 1 PID: 4694 Comm: syz.1.81 Not tainted syzkaller #0 [ 78.987101][ T4694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.988629][ T4694] Call trace: [ 78.989108][ T4694] dump_backtrace+0x1c8/0x1f4 [ 78.989842][ T4694] show_stack+0x2c/0x3c [ 78.990531][ T4694] __dump_stack+0x30/0x40 [ 78.991244][ T4694] dump_stack_lvl+0xf8/0x160 [ 78.991959][ T4694] dump_stack+0x1c/0x5c [ 78.992625][ T4694] sysfs_create_dir_ns+0x22c/0x24c [ 78.993476][ T4694] kobject_add_internal+0x5a8/0xb30 [ 78.994247][ T4694] kobject_init_and_add+0x118/0x17c [ 78.995050][ T4694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.995821][ T4694] gfs2_fill_super+0xdec/0x19ec [ 78.996497][ T4694] get_tree_bdev+0x358/0x544 [ 78.997238][ T4694] gfs2_get_tree+0x54/0x1b4 [ 78.997978][ T4694] vfs_get_tree+0x90/0x274 [ 78.998625][ T4694] do_new_mount+0x228/0x810 [ 78.999265][ T4694] path_mount+0x5b4/0xe78 [ 78.999899][ T4694] __arm64_sys_mount+0x49c/0x584 [ 79.000669][ T4694] invoke_syscall+0x98/0x2bc [ 79.001355][ T4694] el0_svc_common+0x138/0x258 [ 79.002116][ T4694] do_el0_svc+0x58/0x13c [ 79.002764][ T4694] el0_svc+0x58/0x138 [ 79.003414][ T4694] el0t_64_sync_handler+0x84/0xf0 [ 79.004211][ T4694] el0t_64_sync+0x18c/0x190 [ 79.005010][ T4694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.006927][ T4694] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.126664][ T4696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.127822][ T4696] CPU: 0 PID: 4696 Comm: syz.1.82 Not tainted syzkaller #0 [ 79.128922][ T4696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.130532][ T4696] Call trace: [ 79.131019][ T4696] dump_backtrace+0x1c8/0x1f4 [ 79.131700][ T4696] show_stack+0x2c/0x3c [ 79.132326][ T4696] __dump_stack+0x30/0x40 [ 79.133055][ T4696] dump_stack_lvl+0xf8/0x160 [ 79.133772][ T4696] dump_stack+0x1c/0x5c [ 79.134461][ T4696] sysfs_create_dir_ns+0x22c/0x24c [ 79.135299][ T4696] kobject_add_internal+0x5a8/0xb30 [ 79.136092][ T4696] kobject_init_and_add+0x118/0x17c [ 79.136930][ T4696] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.137667][ T4696] gfs2_fill_super+0xdec/0x19ec [ 79.138483][ T4696] get_tree_bdev+0x358/0x544 [ 79.139164][ T4696] gfs2_get_tree+0x54/0x1b4 [ 79.139913][ T4696] vfs_get_tree+0x90/0x274 [ 79.140653][ T4696] do_new_mount+0x228/0x810 [ 79.141356][ T4696] path_mount+0x5b4/0xe78 [ 79.142064][ T4696] __arm64_sys_mount+0x49c/0x584 [ 79.142852][ T4696] invoke_syscall+0x98/0x2bc [ 79.143595][ T4696] el0_svc_common+0x138/0x258 [ 79.144238][ T4696] do_el0_svc+0x58/0x13c [ 79.144905][ T4696] el0_svc+0x58/0x138 [ 79.145585][ T4696] el0t_64_sync_handler+0x84/0xf0 [ 79.146361][ T4696] el0t_64_sync+0x18c/0x190 [ 79.147245][ T4696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.149255][ T4696] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.266707][ T4698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.268129][ T4698] CPU: 0 PID: 4698 Comm: syz.1.83 Not tainted syzkaller #0 [ 79.269180][ T4698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.270743][ T4698] Call trace: [ 79.271234][ T4698] dump_backtrace+0x1c8/0x1f4 [ 79.271976][ T4698] show_stack+0x2c/0x3c [ 79.272663][ T4698] __dump_stack+0x30/0x40 [ 79.273347][ T4698] dump_stack_lvl+0xf8/0x160 [ 79.274077][ T4698] dump_stack+0x1c/0x5c [ 79.274799][ T4698] sysfs_create_dir_ns+0x22c/0x24c [ 79.275715][ T4698] kobject_add_internal+0x5a8/0xb30 [ 79.276689][ T4698] kobject_init_and_add+0x118/0x17c [ 79.277546][ T4698] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.278314][ T4698] gfs2_fill_super+0xdec/0x19ec [ 79.279093][ T4698] get_tree_bdev+0x358/0x544 [ 79.279872][ T4698] gfs2_get_tree+0x54/0x1b4 [ 79.280633][ T4698] vfs_get_tree+0x90/0x274 [ 79.281403][ T4698] do_new_mount+0x228/0x810 [ 79.282136][ T4698] path_mount+0x5b4/0xe78 [ 79.282846][ T4698] __arm64_sys_mount+0x49c/0x584 [ 79.283596][ T4698] invoke_syscall+0x98/0x2bc [ 79.284322][ T4698] el0_svc_common+0x138/0x258 [ 79.285106][ T4698] do_el0_svc+0x58/0x13c [ 79.285830][ T4698] el0_svc+0x58/0x138 [ 79.286461][ T4698] el0t_64_sync_handler+0x84/0xf0 [ 79.287278][ T4698] el0t_64_sync+0x18c/0x190 [ 79.289385][ T4698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.291704][ T4698] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.425677][ T4700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.426895][ T4700] CPU: 1 PID: 4700 Comm: syz.1.84 Not tainted syzkaller #0 [ 79.428041][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.429633][ T4700] Call trace: [ 79.430126][ T4700] dump_backtrace+0x1c8/0x1f4 [ 79.430841][ T4700] show_stack+0x2c/0x3c [ 79.431498][ T4700] __dump_stack+0x30/0x40 [ 79.432144][ T4700] dump_stack_lvl+0xf8/0x160 [ 79.432824][ T4700] dump_stack+0x1c/0x5c [ 79.433565][ T4700] sysfs_create_dir_ns+0x22c/0x24c [ 79.434345][ T4700] kobject_add_internal+0x5a8/0xb30 [ 79.435180][ T4700] kobject_init_and_add+0x118/0x17c [ 79.435955][ T4700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.436810][ T4700] gfs2_fill_super+0xdec/0x19ec [ 79.437541][ T4700] get_tree_bdev+0x358/0x544 [ 79.438259][ T4700] gfs2_get_tree+0x54/0x1b4 [ 79.439008][ T4700] vfs_get_tree+0x90/0x274 [ 79.439683][ T4700] do_new_mount+0x228/0x810 [ 79.440402][ T4700] path_mount+0x5b4/0xe78 [ 79.441050][ T4700] __arm64_sys_mount+0x49c/0x584 [ 79.441822][ T4700] invoke_syscall+0x98/0x2bc [ 79.442542][ T4700] el0_svc_common+0x138/0x258 [ 79.443219][ T4700] do_el0_svc+0x58/0x13c [ 79.443866][ T4700] el0_svc+0x58/0x138 [ 79.444473][ T4700] el0t_64_sync_handler+0x84/0xf0 [ 79.445320][ T4700] el0t_64_sync+0x18c/0x190 [ 79.447892][ T4700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.450396][ T4700] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:19 executed programs: 70 [ 79.572944][ T4702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.574340][ T4702] CPU: 1 PID: 4702 Comm: syz.1.85 Not tainted syzkaller #0 [ 79.575565][ T4702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.577222][ T4702] Call trace: [ 79.577766][ T4702] dump_backtrace+0x1c8/0x1f4 [ 79.578600][ T4702] show_stack+0x2c/0x3c [ 79.579277][ T4702] __dump_stack+0x30/0x40 [ 79.579964][ T4702] dump_stack_lvl+0xf8/0x160 [ 79.580720][ T4702] dump_stack+0x1c/0x5c [ 79.581417][ T4702] sysfs_create_dir_ns+0x22c/0x24c [ 79.582199][ T4702] kobject_add_internal+0x5a8/0xb30 [ 79.583031][ T4702] kobject_init_and_add+0x118/0x17c [ 79.583946][ T4702] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.584754][ T4702] gfs2_fill_super+0xdec/0x19ec [ 79.585578][ T4702] get_tree_bdev+0x358/0x544 [ 79.586332][ T4702] gfs2_get_tree+0x54/0x1b4 [ 79.587145][ T4702] vfs_get_tree+0x90/0x274 [ 79.587936][ T4702] do_new_mount+0x228/0x810 [ 79.588668][ T4702] path_mount+0x5b4/0xe78 [ 79.589443][ T4702] __arm64_sys_mount+0x49c/0x584 [ 79.590254][ T4702] invoke_syscall+0x98/0x2bc [ 79.590964][ T4702] el0_svc_common+0x138/0x258 [ 79.591756][ T4702] do_el0_svc+0x58/0x13c [ 79.592433][ T4702] el0_svc+0x58/0x138 [ 79.593106][ T4702] el0t_64_sync_handler+0x84/0xf0 [ 79.593843][ T4702] el0t_64_sync+0x18c/0x190 [ 79.595750][ T4702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.597722][ T4702] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.720400][ T4704] set_capacity_and_notify: 24 callbacks suppressed [ 79.720409][ T4704] loop1: detected capacity change from 0 to 32768 [ 79.724736][ T4704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.725890][ T4704] CPU: 0 PID: 4704 Comm: syz.1.86 Not tainted syzkaller #0 [ 79.727061][ T4704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.728491][ T4704] Call trace: [ 79.728981][ T4704] dump_backtrace+0x1c8/0x1f4 [ 79.729695][ T4704] show_stack+0x2c/0x3c [ 79.730321][ T4704] __dump_stack+0x30/0x40 [ 79.731011][ T4704] dump_stack_lvl+0xf8/0x160 [ 79.731724][ T4704] dump_stack+0x1c/0x5c [ 79.732390][ T4704] sysfs_create_dir_ns+0x22c/0x24c [ 79.733167][ T4704] kobject_add_internal+0x5a8/0xb30 [ 79.734013][ T4704] kobject_init_and_add+0x118/0x17c [ 79.734868][ T4704] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.735617][ T4704] gfs2_fill_super+0xdec/0x19ec [ 79.736356][ T4704] get_tree_bdev+0x358/0x544 [ 79.737093][ T4704] gfs2_get_tree+0x54/0x1b4 [ 79.737775][ T4704] vfs_get_tree+0x90/0x274 [ 79.738448][ T4704] do_new_mount+0x228/0x810 [ 79.739145][ T4704] path_mount+0x5b4/0xe78 [ 79.739784][ T4704] __arm64_sys_mount+0x49c/0x584 [ 79.740534][ T4704] invoke_syscall+0x98/0x2bc [ 79.741211][ T4704] el0_svc_common+0x138/0x258 [ 79.741913][ T4704] do_el0_svc+0x58/0x13c [ 79.742562][ T4704] el0_svc+0x58/0x138 [ 79.743143][ T4704] el0t_64_sync_handler+0x84/0xf0 [ 79.743894][ T4704] el0t_64_sync+0x18c/0x190 [ 79.744675][ T4704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.746700][ T4704] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.866935][ T4706] loop1: detected capacity change from 0 to 32768 [ 79.873670][ T4706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.874891][ T4706] CPU: 1 PID: 4706 Comm: syz.1.87 Not tainted syzkaller #0 [ 79.876173][ T4706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.877863][ T4706] Call trace: [ 79.878417][ T4706] dump_backtrace+0x1c8/0x1f4 [ 79.879142][ T4706] show_stack+0x2c/0x3c [ 79.879830][ T4706] __dump_stack+0x30/0x40 [ 79.880541][ T4706] dump_stack_lvl+0xf8/0x160 [ 79.881251][ T4706] dump_stack+0x1c/0x5c [ 79.881909][ T4706] sysfs_create_dir_ns+0x22c/0x24c [ 79.882701][ T4706] kobject_add_internal+0x5a8/0xb30 [ 79.883458][ T4706] kobject_init_and_add+0x118/0x17c [ 79.884221][ T4706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.884953][ T4706] gfs2_fill_super+0xdec/0x19ec [ 79.885721][ T4706] get_tree_bdev+0x358/0x544 [ 79.886390][ T4706] gfs2_get_tree+0x54/0x1b4 [ 79.887094][ T4706] vfs_get_tree+0x90/0x274 [ 79.887820][ T4706] do_new_mount+0x228/0x810 [ 79.888522][ T4706] path_mount+0x5b4/0xe78 [ 79.889147][ T4706] __arm64_sys_mount+0x49c/0x584 [ 79.889870][ T4706] invoke_syscall+0x98/0x2bc [ 79.890579][ T4706] el0_svc_common+0x138/0x258 [ 79.891326][ T4706] do_el0_svc+0x58/0x13c [ 79.891961][ T4706] el0_svc+0x58/0x138 [ 79.892542][ T4706] el0t_64_sync_handler+0x84/0xf0 [ 79.893292][ T4706] el0t_64_sync+0x18c/0x190 [ 79.894112][ T4706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.895996][ T4706] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.020134][ T4708] loop1: detected capacity change from 0 to 32768 [ 80.027902][ T4708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.029068][ T4708] CPU: 0 PID: 4708 Comm: syz.1.88 Not tainted syzkaller #0 [ 80.030311][ T4708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.031980][ T4708] Call trace: [ 80.032516][ T4708] dump_backtrace+0x1c8/0x1f4 [ 80.033306][ T4708] show_stack+0x2c/0x3c [ 80.033956][ T4708] __dump_stack+0x30/0x40 [ 80.034636][ T4708] dump_stack_lvl+0xf8/0x160 [ 80.035356][ T4708] dump_stack+0x1c/0x5c [ 80.036031][ T4708] sysfs_create_dir_ns+0x22c/0x24c [ 80.036811][ T4708] kobject_add_internal+0x5a8/0xb30 [ 80.037627][ T4708] kobject_init_and_add+0x118/0x17c [ 80.038444][ T4708] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.039122][ T4708] gfs2_fill_super+0xdec/0x19ec [ 80.039904][ T4708] get_tree_bdev+0x358/0x544 [ 80.040607][ T4708] gfs2_get_tree+0x54/0x1b4 [ 80.041276][ T4708] vfs_get_tree+0x90/0x274 [ 80.041932][ T4708] do_new_mount+0x228/0x810 [ 80.042617][ T4708] path_mount+0x5b4/0xe78 [ 80.043230][ T4708] __arm64_sys_mount+0x49c/0x584 [ 80.043938][ T4708] invoke_syscall+0x98/0x2bc [ 80.044583][ T4708] el0_svc_common+0x138/0x258 [ 80.045313][ T4708] do_el0_svc+0x58/0x13c [ 80.045923][ T4708] el0_svc+0x58/0x138 [ 80.046513][ T4708] el0t_64_sync_handler+0x84/0xf0 [ 80.047327][ T4708] el0t_64_sync+0x18c/0x190 [ 80.049409][ T4708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.051625][ T4708] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.184033][ T4710] loop1: detected capacity change from 0 to 32768 [ 80.185733][ T4710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.186996][ T4710] CPU: 1 PID: 4710 Comm: syz.1.89 Not tainted syzkaller #0 [ 80.188117][ T4710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.189695][ T4710] Call trace: [ 80.190229][ T4710] dump_backtrace+0x1c8/0x1f4 [ 80.191001][ T4710] show_stack+0x2c/0x3c [ 80.191672][ T4710] __dump_stack+0x30/0x40 [ 80.192311][ T4710] dump_stack_lvl+0xf8/0x160 [ 80.193021][ T4710] dump_stack+0x1c/0x5c [ 80.193720][ T4710] sysfs_create_dir_ns+0x22c/0x24c [ 80.194538][ T4710] kobject_add_internal+0x5a8/0xb30 [ 80.195403][ T4710] kobject_init_and_add+0x118/0x17c [ 80.196261][ T4710] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.197051][ T4710] gfs2_fill_super+0xdec/0x19ec [ 80.197774][ T4710] get_tree_bdev+0x358/0x544 [ 80.198489][ T4710] gfs2_get_tree+0x54/0x1b4 [ 80.199187][ T4710] vfs_get_tree+0x90/0x274 [ 80.199863][ T4710] do_new_mount+0x228/0x810 [ 80.200523][ T4710] path_mount+0x5b4/0xe78 [ 80.201200][ T4710] __arm64_sys_mount+0x49c/0x584 [ 80.201914][ T4710] invoke_syscall+0x98/0x2bc [ 80.202585][ T4710] el0_svc_common+0x138/0x258 [ 80.203312][ T4710] do_el0_svc+0x58/0x13c [ 80.203956][ T4710] el0_svc+0x58/0x138 [ 80.204571][ T4710] el0t_64_sync_handler+0x84/0xf0 [ 80.205353][ T4710] el0t_64_sync+0x18c/0x190 [ 80.206122][ T4710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.208029][ T4710] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.321320][ T4712] loop1: detected capacity change from 0 to 32768 [ 80.323023][ T4712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.324260][ T4712] CPU: 1 PID: 4712 Comm: syz.1.90 Not tainted syzkaller #0 [ 80.325416][ T4712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.327094][ T4712] Call trace: [ 80.327595][ T4712] dump_backtrace+0x1c8/0x1f4 [ 80.328391][ T4712] show_stack+0x2c/0x3c [ 80.329044][ T4712] __dump_stack+0x30/0x40 [ 80.329755][ T4712] dump_stack_lvl+0xf8/0x160 [ 80.330534][ T4712] dump_stack+0x1c/0x5c [ 80.331213][ T4712] sysfs_create_dir_ns+0x22c/0x24c [ 80.331992][ T4712] kobject_add_internal+0x5a8/0xb30 [ 80.332880][ T4712] kobject_init_and_add+0x118/0x17c [ 80.333788][ T4712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.334590][ T4712] gfs2_fill_super+0xdec/0x19ec [ 80.335365][ T4712] get_tree_bdev+0x358/0x544 [ 80.336119][ T4712] gfs2_get_tree+0x54/0x1b4 [ 80.336806][ T4712] vfs_get_tree+0x90/0x274 [ 80.337481][ T4712] do_new_mount+0x228/0x810 [ 80.338239][ T4712] path_mount+0x5b4/0xe78 [ 80.338968][ T4712] __arm64_sys_mount+0x49c/0x584 [ 80.339835][ T4712] invoke_syscall+0x98/0x2bc [ 80.340597][ T4712] el0_svc_common+0x138/0x258 [ 80.341363][ T4712] do_el0_svc+0x58/0x13c [ 80.342097][ T4712] el0_svc+0x58/0x138 [ 80.342702][ T4712] el0t_64_sync_handler+0x84/0xf0 [ 80.343541][ T4712] el0t_64_sync+0x18c/0x190 [ 80.346971][ T4712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.349029][ T4712] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.470974][ T4714] loop1: detected capacity change from 0 to 32768 [ 80.476468][ T4714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.477710][ T4714] CPU: 0 PID: 4714 Comm: syz.1.91 Not tainted syzkaller #0 [ 80.478838][ T4714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.480333][ T4714] Call trace: [ 80.480875][ T4714] dump_backtrace+0x1c8/0x1f4 [ 80.481599][ T4714] show_stack+0x2c/0x3c [ 80.482196][ T4714] __dump_stack+0x30/0x40 [ 80.482888][ T4714] dump_stack_lvl+0xf8/0x160 [ 80.483619][ T4714] dump_stack+0x1c/0x5c [ 80.484282][ T4714] sysfs_create_dir_ns+0x22c/0x24c [ 80.485081][ T4714] kobject_add_internal+0x5a8/0xb30 [ 80.485881][ T4714] kobject_init_and_add+0x118/0x17c [ 80.486668][ T4714] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.487369][ T4714] gfs2_fill_super+0xdec/0x19ec [ 80.488154][ T4714] get_tree_bdev+0x358/0x544 [ 80.488833][ T4714] gfs2_get_tree+0x54/0x1b4 [ 80.489526][ T4714] vfs_get_tree+0x90/0x274 [ 80.490152][ T4714] do_new_mount+0x228/0x810 [ 80.490908][ T4714] path_mount+0x5b4/0xe78 [ 80.491595][ T4714] __arm64_sys_mount+0x49c/0x584 [ 80.492375][ T4714] invoke_syscall+0x98/0x2bc [ 80.493049][ T4714] el0_svc_common+0x138/0x258 [ 80.493729][ T4714] do_el0_svc+0x58/0x13c [ 80.494412][ T4714] el0_svc+0x58/0x138 [ 80.495040][ T4714] el0t_64_sync_handler+0x84/0xf0 [ 80.495766][ T4714] el0t_64_sync+0x18c/0x190 [ 80.499205][ T4714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.501609][ T4714] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.618887][ T4716] loop1: detected capacity change from 0 to 32768 [ 80.620667][ T4716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.621885][ T4716] CPU: 1 PID: 4716 Comm: syz.1.92 Not tainted syzkaller #0 [ 80.623093][ T4716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.624770][ T4716] Call trace: [ 80.625327][ T4716] dump_backtrace+0x1c8/0x1f4 [ 80.626163][ T4716] show_stack+0x2c/0x3c [ 80.626840][ T4716] __dump_stack+0x30/0x40 [ 80.627577][ T4716] dump_stack_lvl+0xf8/0x160 [ 80.628323][ T4716] dump_stack+0x1c/0x5c [ 80.628962][ T4716] sysfs_create_dir_ns+0x22c/0x24c [ 80.629791][ T4716] kobject_add_internal+0x5a8/0xb30 [ 80.630693][ T4716] kobject_init_and_add+0x118/0x17c [ 80.631526][ T4716] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.632296][ T4716] gfs2_fill_super+0xdec/0x19ec [ 80.633112][ T4716] get_tree_bdev+0x358/0x544 [ 80.633920][ T4716] gfs2_get_tree+0x54/0x1b4 [ 80.634667][ T4716] vfs_get_tree+0x90/0x274 [ 80.635346][ T4716] do_new_mount+0x228/0x810 [ 80.636021][ T4716] path_mount+0x5b4/0xe78 [ 80.636662][ T4716] __arm64_sys_mount+0x49c/0x584 [ 80.637408][ T4716] invoke_syscall+0x98/0x2bc [ 80.638100][ T4716] el0_svc_common+0x138/0x258 [ 80.638792][ T4716] do_el0_svc+0x58/0x13c [ 80.639438][ T4716] el0_svc+0x58/0x138 [ 80.640041][ T4716] el0t_64_sync_handler+0x84/0xf0 [ 80.640824][ T4716] el0t_64_sync+0x18c/0x190 [ 80.641667][ T4716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.643795][ T4716] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.761483][ T4718] loop1: detected capacity change from 0 to 32768 [ 80.766899][ T4718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.768498][ T4718] CPU: 1 PID: 4718 Comm: syz.1.93 Not tainted syzkaller #0 [ 80.769589][ T4718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.771226][ T4718] Call trace: [ 80.771730][ T4718] dump_backtrace+0x1c8/0x1f4 [ 80.772427][ T4718] show_stack+0x2c/0x3c [ 80.773087][ T4718] __dump_stack+0x30/0x40 [ 80.773770][ T4718] dump_stack_lvl+0xf8/0x160 [ 80.774478][ T4718] dump_stack+0x1c/0x5c [ 80.775108][ T4718] sysfs_create_dir_ns+0x22c/0x24c [ 80.775836][ T4718] kobject_add_internal+0x5a8/0xb30 [ 80.776636][ T4718] kobject_init_and_add+0x118/0x17c [ 80.777422][ T4718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.778154][ T4718] gfs2_fill_super+0xdec/0x19ec [ 80.778888][ T4718] get_tree_bdev+0x358/0x544 [ 80.779570][ T4718] gfs2_get_tree+0x54/0x1b4 [ 80.780285][ T4718] vfs_get_tree+0x90/0x274 [ 80.781000][ T4718] do_new_mount+0x228/0x810 [ 80.781659][ T4718] path_mount+0x5b4/0xe78 [ 80.782308][ T4718] __arm64_sys_mount+0x49c/0x584 [ 80.783103][ T4718] invoke_syscall+0x98/0x2bc [ 80.783805][ T4718] el0_svc_common+0x138/0x258 [ 80.784531][ T4718] do_el0_svc+0x58/0x13c [ 80.785174][ T4718] el0_svc+0x58/0x138 [ 80.785834][ T4718] el0t_64_sync_handler+0x84/0xf0 [ 80.786557][ T4718] el0t_64_sync+0x18c/0x190 [ 80.787750][ T4718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.790348][ T4718] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.918701][ T4720] loop1: detected capacity change from 0 to 32768 [ 80.920444][ T4720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.921521][ T4720] CPU: 0 PID: 4720 Comm: syz.1.94 Not tainted syzkaller #0 [ 80.922650][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.924258][ T4720] Call trace: [ 80.924726][ T4720] dump_backtrace+0x1c8/0x1f4 [ 80.925472][ T4720] show_stack+0x2c/0x3c [ 80.926154][ T4720] __dump_stack+0x30/0x40 [ 80.926858][ T4720] dump_stack_lvl+0xf8/0x160 [ 80.927501][ T4720] dump_stack+0x1c/0x5c [ 80.928150][ T4720] sysfs_create_dir_ns+0x22c/0x24c [ 80.928914][ T4720] kobject_add_internal+0x5a8/0xb30 [ 80.929744][ T4720] kobject_init_and_add+0x118/0x17c [ 80.930593][ T4720] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.931388][ T4720] gfs2_fill_super+0xdec/0x19ec [ 80.932214][ T4720] get_tree_bdev+0x358/0x544 [ 80.932953][ T4720] gfs2_get_tree+0x54/0x1b4 [ 80.933724][ T4720] vfs_get_tree+0x90/0x274 [ 80.934433][ T4720] do_new_mount+0x228/0x810 [ 80.935198][ T4720] path_mount+0x5b4/0xe78 [ 80.935907][ T4720] __arm64_sys_mount+0x49c/0x584 [ 80.936732][ T4720] invoke_syscall+0x98/0x2bc [ 80.937506][ T4720] el0_svc_common+0x138/0x258 [ 80.938275][ T4720] do_el0_svc+0x58/0x13c [ 80.938974][ T4720] el0_svc+0x58/0x138 [ 80.939679][ T4720] el0t_64_sync_handler+0x84/0xf0 [ 80.940512][ T4720] el0t_64_sync+0x18c/0x190 [ 80.941789][ T4720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.943944][ T4720] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.063298][ T4722] loop1: detected capacity change from 0 to 32768 [ 81.067807][ T4722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.069596][ T4722] CPU: 1 PID: 4722 Comm: syz.1.95 Not tainted syzkaller #0 [ 81.070766][ T4722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.072346][ T4722] Call trace: [ 81.072864][ T4722] dump_backtrace+0x1c8/0x1f4 [ 81.073589][ T4722] show_stack+0x2c/0x3c [ 81.074281][ T4722] __dump_stack+0x30/0x40 [ 81.074964][ T4722] dump_stack_lvl+0xf8/0x160 [ 81.075667][ T4722] dump_stack+0x1c/0x5c [ 81.076340][ T4722] sysfs_create_dir_ns+0x22c/0x24c [ 81.077126][ T4722] kobject_add_internal+0x5a8/0xb30 [ 81.077920][ T4722] kobject_init_and_add+0x118/0x17c [ 81.078801][ T4722] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.079566][ T4722] gfs2_fill_super+0xdec/0x19ec [ 81.080290][ T4722] get_tree_bdev+0x358/0x544 [ 81.081066][ T4722] gfs2_get_tree+0x54/0x1b4 [ 81.081757][ T4722] vfs_get_tree+0x90/0x274 [ 81.082425][ T4722] do_new_mount+0x228/0x810 [ 81.083056][ T4722] path_mount+0x5b4/0xe78 [ 81.083724][ T4722] __arm64_sys_mount+0x49c/0x584 [ 81.084525][ T4722] invoke_syscall+0x98/0x2bc [ 81.085245][ T4722] el0_svc_common+0x138/0x258 [ 81.085918][ T4722] do_el0_svc+0x58/0x13c [ 81.086591][ T4722] el0_svc+0x58/0x138 [ 81.087196][ T4722] el0t_64_sync_handler+0x84/0xf0 [ 81.087961][ T4722] el0t_64_sync+0x18c/0x190 [ 81.088713][ T4722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.090725][ T4722] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.223301][ T4724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.224498][ T4724] CPU: 1 PID: 4724 Comm: syz.1.96 Not tainted syzkaller #0 [ 81.225604][ T4724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.227076][ T4724] Call trace: [ 81.227582][ T4724] dump_backtrace+0x1c8/0x1f4 [ 81.228320][ T4724] show_stack+0x2c/0x3c [ 81.228932][ T4724] __dump_stack+0x30/0x40 [ 81.229603][ T4724] dump_stack_lvl+0xf8/0x160 [ 81.230352][ T4724] dump_stack+0x1c/0x5c [ 81.230993][ T4724] sysfs_create_dir_ns+0x22c/0x24c [ 81.231842][ T4724] kobject_add_internal+0x5a8/0xb30 [ 81.232652][ T4724] kobject_init_and_add+0x118/0x17c [ 81.233500][ T4724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.234213][ T4724] gfs2_fill_super+0xdec/0x19ec [ 81.234978][ T4724] get_tree_bdev+0x358/0x544 [ 81.235664][ T4724] gfs2_get_tree+0x54/0x1b4 [ 81.236769][ T4724] vfs_get_tree+0x90/0x274 [ 81.237379][ T4724] do_new_mount+0x228/0x810 [ 81.238009][ T4724] path_mount+0x5b4/0xe78 [ 81.238665][ T4724] __arm64_sys_mount+0x49c/0x584 [ 81.239401][ T4724] invoke_syscall+0x98/0x2bc [ 81.240115][ T4724] el0_svc_common+0x138/0x258 [ 81.240806][ T4724] do_el0_svc+0x58/0x13c [ 81.241458][ T4724] el0_svc+0x58/0x138 [ 81.242012][ T4724] el0t_64_sync_handler+0x84/0xf0 [ 81.242819][ T4724] el0t_64_sync+0x18c/0x190 [ 81.243632][ T4724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.245519][ T4724] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.364522][ T4726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.365703][ T4726] CPU: 0 PID: 4726 Comm: syz.1.97 Not tainted syzkaller #0 [ 81.366862][ T4726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.368441][ T4726] Call trace: [ 81.368947][ T4726] dump_backtrace+0x1c8/0x1f4 [ 81.369698][ T4726] show_stack+0x2c/0x3c [ 81.370304][ T4726] __dump_stack+0x30/0x40 [ 81.370967][ T4726] dump_stack_lvl+0xf8/0x160 [ 81.371716][ T4726] dump_stack+0x1c/0x5c [ 81.372350][ T4726] sysfs_create_dir_ns+0x22c/0x24c [ 81.373100][ T4726] kobject_add_internal+0x5a8/0xb30 [ 81.373898][ T4726] kobject_init_and_add+0x118/0x17c [ 81.374785][ T4726] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.375598][ T4726] gfs2_fill_super+0xdec/0x19ec [ 81.376304][ T4726] get_tree_bdev+0x358/0x544 [ 81.376995][ T4726] gfs2_get_tree+0x54/0x1b4 [ 81.377707][ T4726] vfs_get_tree+0x90/0x274 [ 81.378376][ T4726] do_new_mount+0x228/0x810 [ 81.379060][ T4726] path_mount+0x5b4/0xe78 [ 81.379705][ T4726] __arm64_sys_mount+0x49c/0x584 [ 81.380459][ T4726] invoke_syscall+0x98/0x2bc [ 81.381237][ T4726] el0_svc_common+0x138/0x258 [ 81.381997][ T4726] do_el0_svc+0x58/0x13c [ 81.382653][ T4726] el0_svc+0x58/0x138 [ 81.383307][ T4726] el0t_64_sync_handler+0x84/0xf0 [ 81.384103][ T4726] el0t_64_sync+0x18c/0x190 [ 81.386149][ T4726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.388033][ T4726] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.510983][ T4728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.512192][ T4728] CPU: 1 PID: 4728 Comm: syz.1.98 Not tainted syzkaller #0 [ 81.513304][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.514842][ T4728] Call trace: [ 81.515355][ T4728] dump_backtrace+0x1c8/0x1f4 [ 81.516032][ T4728] show_stack+0x2c/0x3c [ 81.516666][ T4728] __dump_stack+0x30/0x40 [ 81.517374][ T4728] dump_stack_lvl+0xf8/0x160 [ 81.518075][ T4728] dump_stack+0x1c/0x5c [ 81.518679][ T4728] sysfs_create_dir_ns+0x22c/0x24c [ 81.519395][ T4728] kobject_add_internal+0x5a8/0xb30 [ 81.520211][ T4728] kobject_init_and_add+0x118/0x17c [ 81.521051][ T4728] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.521834][ T4728] gfs2_fill_super+0xdec/0x19ec [ 81.522507][ T4728] get_tree_bdev+0x358/0x544 [ 81.523250][ T4728] gfs2_get_tree+0x54/0x1b4 [ 81.523957][ T4728] vfs_get_tree+0x90/0x274 [ 81.524606][ T4728] do_new_mount+0x228/0x810 [ 81.525264][ T4728] path_mount+0x5b4/0xe78 [ 81.525918][ T4728] __arm64_sys_mount+0x49c/0x584 [ 81.526726][ T4728] invoke_syscall+0x98/0x2bc [ 81.527488][ T4728] el0_svc_common+0x138/0x258 [ 81.528242][ T4728] do_el0_svc+0x58/0x13c [ 81.528906][ T4728] el0_svc+0x58/0x138 [ 81.529532][ T4728] el0t_64_sync_handler+0x84/0xf0 [ 81.530365][ T4728] el0t_64_sync+0x18c/0x190 [ 81.531190][ T4728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.533119][ T4728] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.664754][ T4730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.665938][ T4730] CPU: 0 PID: 4730 Comm: syz.1.99 Not tainted syzkaller #0 [ 81.667018][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.668498][ T4730] Call trace: [ 81.668995][ T4730] dump_backtrace+0x1c8/0x1f4 [ 81.669688][ T4730] show_stack+0x2c/0x3c [ 81.670300][ T4730] __dump_stack+0x30/0x40 [ 81.670969][ T4730] dump_stack_lvl+0xf8/0x160 [ 81.671762][ T4730] dump_stack+0x1c/0x5c [ 81.672392][ T4730] sysfs_create_dir_ns+0x22c/0x24c [ 81.673195][ T4730] kobject_add_internal+0x5a8/0xb30 [ 81.673968][ T4730] kobject_init_and_add+0x118/0x17c [ 81.674728][ T4730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.675463][ T4730] gfs2_fill_super+0xdec/0x19ec [ 81.676229][ T4730] get_tree_bdev+0x358/0x544 [ 81.676934][ T4730] gfs2_get_tree+0x54/0x1b4 [ 81.677625][ T4730] vfs_get_tree+0x90/0x274 [ 81.678340][ T4730] do_new_mount+0x228/0x810 [ 81.679027][ T4730] path_mount+0x5b4/0xe78 [ 81.679670][ T4730] __arm64_sys_mount+0x49c/0x584 [ 81.680398][ T4730] invoke_syscall+0x98/0x2bc [ 81.681142][ T4730] el0_svc_common+0x138/0x258 [ 81.681901][ T4730] do_el0_svc+0x58/0x13c [ 81.682583][ T4730] el0_svc+0x58/0x138 [ 81.683152][ T4730] el0t_64_sync_handler+0x84/0xf0 [ 81.683944][ T4730] el0t_64_sync+0x18c/0x190 [ 81.684727][ T4730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.688225][ T4730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.811279][ T4732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.812505][ T4732] CPU: 0 PID: 4732 Comm: syz.1.100 Not tainted syzkaller #0 [ 81.813587][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.815170][ T4732] Call trace: [ 81.815657][ T4732] dump_backtrace+0x1c8/0x1f4 [ 81.816408][ T4732] show_stack+0x2c/0x3c [ 81.817100][ T4732] __dump_stack+0x30/0x40 [ 81.817775][ T4732] dump_stack_lvl+0xf8/0x160 [ 81.818435][ T4732] dump_stack+0x1c/0x5c [ 81.819052][ T4732] sysfs_create_dir_ns+0x22c/0x24c [ 81.819874][ T4732] kobject_add_internal+0x5a8/0xb30 [ 81.820618][ T4732] kobject_init_and_add+0x118/0x17c [ 81.821452][ T4732] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.822203][ T4732] gfs2_fill_super+0xdec/0x19ec [ 81.822971][ T4732] get_tree_bdev+0x358/0x544 [ 81.823732][ T4732] gfs2_get_tree+0x54/0x1b4 [ 81.824440][ T4732] vfs_get_tree+0x90/0x274 [ 81.825078][ T4732] do_new_mount+0x228/0x810 [ 81.825766][ T4732] path_mount+0x5b4/0xe78 [ 81.826434][ T4732] __arm64_sys_mount+0x49c/0x584 [ 81.827212][ T4732] invoke_syscall+0x98/0x2bc [ 81.827904][ T4732] el0_svc_common+0x138/0x258 [ 81.828617][ T4732] do_el0_svc+0x58/0x13c [ 81.829313][ T4732] el0_svc+0x58/0x138 [ 81.829941][ T4732] el0t_64_sync_handler+0x84/0xf0 [ 81.830687][ T4732] el0t_64_sync+0x18c/0x190 [ 81.831681][ T4732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.833845][ T4732] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.966233][ T4734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.967429][ T4734] CPU: 0 PID: 4734 Comm: syz.1.101 Not tainted syzkaller #0 [ 81.968640][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.970250][ T4734] Call trace: [ 81.970758][ T4734] dump_backtrace+0x1c8/0x1f4 [ 81.971561][ T4734] show_stack+0x2c/0x3c [ 81.972284][ T4734] __dump_stack+0x30/0x40 [ 81.973028][ T4734] dump_stack_lvl+0xf8/0x160 [ 81.973774][ T4734] dump_stack+0x1c/0x5c [ 81.974476][ T4734] sysfs_create_dir_ns+0x22c/0x24c [ 81.975296][ T4734] kobject_add_internal+0x5a8/0xb30 [ 81.976116][ T4734] kobject_init_and_add+0x118/0x17c [ 81.976917][ T4734] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.977629][ T4734] gfs2_fill_super+0xdec/0x19ec [ 81.978434][ T4734] get_tree_bdev+0x358/0x544 [ 81.979186][ T4734] gfs2_get_tree+0x54/0x1b4 [ 81.979944][ T4734] vfs_get_tree+0x90/0x274 [ 81.980635][ T4734] do_new_mount+0x228/0x810 [ 81.981351][ T4734] path_mount+0x5b4/0xe78 [ 81.982044][ T4734] __arm64_sys_mount+0x49c/0x584 [ 81.982795][ T4734] invoke_syscall+0x98/0x2bc [ 81.983541][ T4734] el0_svc_common+0x138/0x258 [ 81.984364][ T4734] do_el0_svc+0x58/0x13c [ 81.984991][ T4734] el0_svc+0x58/0x138 [ 81.985653][ T4734] el0t_64_sync_handler+0x84/0xf0 [ 81.986439][ T4734] el0t_64_sync+0x18c/0x190 [ 81.987379][ T4734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.989306][ T4734] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.108768][ T4736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.110068][ T4736] CPU: 1 PID: 4736 Comm: syz.1.102 Not tainted syzkaller #0 [ 82.111268][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.112867][ T4736] Call trace: [ 82.113354][ T4736] dump_backtrace+0x1c8/0x1f4 [ 82.114067][ T4736] show_stack+0x2c/0x3c [ 82.114714][ T4736] __dump_stack+0x30/0x40 [ 82.115389][ T4736] dump_stack_lvl+0xf8/0x160 [ 82.116102][ T4736] dump_stack+0x1c/0x5c [ 82.116733][ T4736] sysfs_create_dir_ns+0x22c/0x24c [ 82.117440][ T4736] kobject_add_internal+0x5a8/0xb30 [ 82.118213][ T4736] kobject_init_and_add+0x118/0x17c [ 82.118964][ T4736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.119640][ T4736] gfs2_fill_super+0xdec/0x19ec [ 82.120415][ T4736] get_tree_bdev+0x358/0x544 [ 82.121115][ T4736] gfs2_get_tree+0x54/0x1b4 [ 82.121805][ T4736] vfs_get_tree+0x90/0x274 [ 82.122486][ T4736] do_new_mount+0x228/0x810 [ 82.123150][ T4736] path_mount+0x5b4/0xe78 [ 82.123833][ T4736] __arm64_sys_mount+0x49c/0x584 [ 82.124577][ T4736] invoke_syscall+0x98/0x2bc [ 82.125260][ T4736] el0_svc_common+0x138/0x258 [ 82.126018][ T4736] do_el0_svc+0x58/0x13c [ 82.126611][ T4736] el0_svc+0x58/0x138 [ 82.127218][ T4736] el0t_64_sync_handler+0x84/0xf0 [ 82.128014][ T4736] el0t_64_sync+0x18c/0x190 [ 82.130105][ T4736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.132090][ T4736] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.254449][ T4738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.255765][ T4738] CPU: 1 PID: 4738 Comm: syz.1.103 Not tainted syzkaller #0 [ 82.256951][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.258410][ T4738] Call trace: [ 82.258955][ T4738] dump_backtrace+0x1c8/0x1f4 [ 82.259637][ T4738] show_stack+0x2c/0x3c [ 82.260309][ T4738] __dump_stack+0x30/0x40 [ 82.260968][ T4738] dump_stack_lvl+0xf8/0x160 [ 82.261709][ T4738] dump_stack+0x1c/0x5c [ 82.262370][ T4738] sysfs_create_dir_ns+0x22c/0x24c [ 82.263178][ T4738] kobject_add_internal+0x5a8/0xb30 [ 82.263959][ T4738] kobject_init_and_add+0x118/0x17c [ 82.264776][ T4738] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.265529][ T4738] gfs2_fill_super+0xdec/0x19ec [ 82.266306][ T4738] get_tree_bdev+0x358/0x544 [ 82.267019][ T4738] gfs2_get_tree+0x54/0x1b4 [ 82.267735][ T4738] vfs_get_tree+0x90/0x274 [ 82.268429][ T4738] do_new_mount+0x228/0x810 [ 82.269120][ T4738] path_mount+0x5b4/0xe78 [ 82.269760][ T4738] __arm64_sys_mount+0x49c/0x584 [ 82.270480][ T4738] invoke_syscall+0x98/0x2bc [ 82.271179][ T4738] el0_svc_common+0x138/0x258 [ 82.271925][ T4738] do_el0_svc+0x58/0x13c [ 82.272616][ T4738] el0_svc+0x58/0x138 [ 82.273261][ T4738] el0t_64_sync_handler+0x84/0xf0 [ 82.274009][ T4738] el0t_64_sync+0x18c/0x190 [ 82.275864][ T4738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.277951][ T4738] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.394798][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.396520][ T4740] CPU: 1 PID: 4740 Comm: syz.1.104 Not tainted syzkaller #0 [ 82.397676][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.399250][ T4740] Call trace: [ 82.399797][ T4740] dump_backtrace+0x1c8/0x1f4 [ 82.400515][ T4740] show_stack+0x2c/0x3c [ 82.401121][ T4740] __dump_stack+0x30/0x40 [ 82.401813][ T4740] dump_stack_lvl+0xf8/0x160 [ 82.402505][ T4740] dump_stack+0x1c/0x5c [ 82.403147][ T4740] sysfs_create_dir_ns+0x22c/0x24c [ 82.403971][ T4740] kobject_add_internal+0x5a8/0xb30 [ 82.404723][ T4740] kobject_init_and_add+0x118/0x17c [ 82.405534][ T4740] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.406287][ T4740] gfs2_fill_super+0xdec/0x19ec [ 82.407057][ T4740] get_tree_bdev+0x358/0x544 [ 82.407822][ T4740] gfs2_get_tree+0x54/0x1b4 [ 82.408481][ T4740] vfs_get_tree+0x90/0x274 [ 82.409110][ T4740] do_new_mount+0x228/0x810 [ 82.409853][ T4740] path_mount+0x5b4/0xe78 [ 82.410510][ T4740] __arm64_sys_mount+0x49c/0x584 [ 82.411263][ T4740] invoke_syscall+0x98/0x2bc [ 82.411961][ T4740] el0_svc_common+0x138/0x258 [ 82.412682][ T4740] do_el0_svc+0x58/0x13c [ 82.413339][ T4740] el0_svc+0x58/0x138 [ 82.413910][ T4740] el0t_64_sync_handler+0x84/0xf0 [ 82.414681][ T4740] el0t_64_sync+0x18c/0x190 [ 82.417185][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.419176][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.541974][ T4742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.543177][ T4742] CPU: 1 PID: 4742 Comm: syz.1.105 Not tainted syzkaller #0 [ 82.544321][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.545916][ T4742] Call trace: [ 82.546388][ T4742] dump_backtrace+0x1c8/0x1f4 [ 82.547098][ T4742] show_stack+0x2c/0x3c [ 82.547713][ T4742] __dump_stack+0x30/0x40 [ 82.548393][ T4742] dump_stack_lvl+0xf8/0x160 [ 82.549074][ T4742] dump_stack+0x1c/0x5c [ 82.549729][ T4742] sysfs_create_dir_ns+0x22c/0x24c [ 82.550524][ T4742] kobject_add_internal+0x5a8/0xb30 [ 82.551319][ T4742] kobject_init_and_add+0x118/0x17c [ 82.552123][ T4742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.552885][ T4742] gfs2_fill_super+0xdec/0x19ec [ 82.553555][ T4742] get_tree_bdev+0x358/0x544 [ 82.554215][ T4742] gfs2_get_tree+0x54/0x1b4 [ 82.554930][ T4742] vfs_get_tree+0x90/0x274 [ 82.555601][ T4742] do_new_mount+0x228/0x810 [ 82.556260][ T4742] path_mount+0x5b4/0xe78 [ 82.556926][ T4742] __arm64_sys_mount+0x49c/0x584 [ 82.557631][ T4742] invoke_syscall+0x98/0x2bc [ 82.558324][ T4742] el0_svc_common+0x138/0x258 [ 82.559030][ T4742] do_el0_svc+0x58/0x13c [ 82.559639][ T4742] el0_svc+0x58/0x138 [ 82.560196][ T4742] el0t_64_sync_handler+0x84/0xf0 [ 82.560951][ T4742] el0t_64_sync+0x18c/0x190 [ 82.563015][ T4742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.565138][ T4742] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.689775][ T4744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.691036][ T4744] CPU: 1 PID: 4744 Comm: syz.1.106 Not tainted syzkaller #0 [ 82.692310][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.693917][ T4744] Call trace: [ 82.694460][ T4744] dump_backtrace+0x1c8/0x1f4 [ 82.695253][ T4744] show_stack+0x2c/0x3c [ 82.695959][ T4744] __dump_stack+0x30/0x40 [ 82.696669][ T4744] dump_stack_lvl+0xf8/0x160 [ 82.697399][ T4744] dump_stack+0x1c/0x5c [ 82.698044][ T4744] sysfs_create_dir_ns+0x22c/0x24c [ 82.698837][ T4744] kobject_add_internal+0x5a8/0xb30 [ 82.699650][ T4744] kobject_init_and_add+0x118/0x17c [ 82.700478][ T4744] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.701202][ T4744] gfs2_fill_super+0xdec/0x19ec [ 82.701930][ T4744] get_tree_bdev+0x358/0x544 [ 82.702643][ T4744] gfs2_get_tree+0x54/0x1b4 [ 82.703440][ T4744] vfs_get_tree+0x90/0x274 [ 82.704232][ T4744] do_new_mount+0x228/0x810 [ 82.705011][ T4744] path_mount+0x5b4/0xe78 [ 82.705735][ T4744] __arm64_sys_mount+0x49c/0x584 [ 82.706555][ T4744] invoke_syscall+0x98/0x2bc [ 82.707290][ T4744] el0_svc_common+0x138/0x258 [ 82.708074][ T4744] do_el0_svc+0x58/0x13c [ 82.708787][ T4744] el0_svc+0x58/0x138 [ 82.709446][ T4744] el0t_64_sync_handler+0x84/0xf0 [ 82.710304][ T4744] el0t_64_sync+0x18c/0x190 [ 82.714785][ T4744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.716802][ T4744] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.846248][ T4746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.847444][ T4746] CPU: 1 PID: 4746 Comm: syz.1.107 Not tainted syzkaller #0 [ 82.848604][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.850111][ T4746] Call trace: [ 82.850671][ T4746] dump_backtrace+0x1c8/0x1f4 [ 82.851486][ T4746] show_stack+0x2c/0x3c [ 82.852211][ T4746] __dump_stack+0x30/0x40 [ 82.852901][ T4746] dump_stack_lvl+0xf8/0x160 [ 82.853648][ T4746] dump_stack+0x1c/0x5c [ 82.854391][ T4746] sysfs_create_dir_ns+0x22c/0x24c [ 82.855244][ T4746] kobject_add_internal+0x5a8/0xb30 [ 82.856036][ T4746] kobject_init_and_add+0x118/0x17c [ 82.856847][ T4746] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.857587][ T4746] gfs2_fill_super+0xdec/0x19ec [ 82.858397][ T4746] get_tree_bdev+0x358/0x544 [ 82.859045][ T4746] gfs2_get_tree+0x54/0x1b4 [ 82.859718][ T4746] vfs_get_tree+0x90/0x274 [ 82.860487][ T4746] do_new_mount+0x228/0x810 [ 82.861234][ T4746] path_mount+0x5b4/0xe78 [ 82.861960][ T4746] __arm64_sys_mount+0x49c/0x584 [ 82.862761][ T4746] invoke_syscall+0x98/0x2bc [ 82.863483][ T4746] el0_svc_common+0x138/0x258 [ 82.864182][ T4746] do_el0_svc+0x58/0x13c [ 82.864824][ T4746] el0_svc+0x58/0x138 [ 82.865451][ T4746] el0t_64_sync_handler+0x84/0xf0 [ 82.866222][ T4746] el0t_64_sync+0x18c/0x190 [ 82.868234][ T4746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.870452][ T4746] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.990786][ T4748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.991962][ T4748] CPU: 0 PID: 4748 Comm: syz.1.108 Not tainted syzkaller #0 [ 82.993054][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.994659][ T4748] Call trace: [ 82.995188][ T4748] dump_backtrace+0x1c8/0x1f4 [ 82.995929][ T4748] show_stack+0x2c/0x3c [ 82.996514][ T4748] __dump_stack+0x30/0x40 [ 82.997191][ T4748] dump_stack_lvl+0xf8/0x160 [ 82.997887][ T4748] dump_stack+0x1c/0x5c [ 82.998493][ T4748] sysfs_create_dir_ns+0x22c/0x24c [ 82.999257][ T4748] kobject_add_internal+0x5a8/0xb30 [ 83.000175][ T4748] kobject_init_and_add+0x118/0x17c [ 83.001097][ T4748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.001864][ T4748] gfs2_fill_super+0xdec/0x19ec [ 83.002679][ T4748] get_tree_bdev+0x358/0x544 [ 83.003427][ T4748] gfs2_get_tree+0x54/0x1b4 [ 83.004167][ T4748] vfs_get_tree+0x90/0x274 [ 83.004907][ T4748] do_new_mount+0x228/0x810 [ 83.005624][ T4748] path_mount+0x5b4/0xe78 [ 83.006312][ T4748] __arm64_sys_mount+0x49c/0x584 [ 83.007089][ T4748] invoke_syscall+0x98/0x2bc [ 83.007785][ T4748] el0_svc_common+0x138/0x258 [ 83.008540][ T4748] do_el0_svc+0x58/0x13c [ 83.009236][ T4748] el0_svc+0x58/0x138 [ 83.009857][ T4748] el0t_64_sync_handler+0x84/0xf0 [ 83.010609][ T4748] el0t_64_sync+0x18c/0x190 [ 83.011458][ T4748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.013525][ T4748] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.140066][ T4750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.141331][ T4750] CPU: 1 PID: 4750 Comm: syz.1.109 Not tainted syzkaller #0 [ 83.142435][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.143984][ T4750] Call trace: [ 83.144472][ T4750] dump_backtrace+0x1c8/0x1f4 [ 83.145162][ T4750] show_stack+0x2c/0x3c [ 83.145787][ T4750] __dump_stack+0x30/0x40 [ 83.146373][ T4750] dump_stack_lvl+0xf8/0x160 [ 83.147007][ T4750] dump_stack+0x1c/0x5c [ 83.147601][ T4750] sysfs_create_dir_ns+0x22c/0x24c [ 83.148320][ T4750] kobject_add_internal+0x5a8/0xb30 [ 83.149047][ T4750] kobject_init_and_add+0x118/0x17c [ 83.149870][ T4750] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.150608][ T4750] gfs2_fill_super+0xdec/0x19ec [ 83.151370][ T4750] get_tree_bdev+0x358/0x544 [ 83.152041][ T4750] gfs2_get_tree+0x54/0x1b4 [ 83.152741][ T4750] vfs_get_tree+0x90/0x274 [ 83.153380][ T4750] do_new_mount+0x228/0x810 [ 83.154086][ T4750] path_mount+0x5b4/0xe78 [ 83.154725][ T4750] __arm64_sys_mount+0x49c/0x584 [ 83.155472][ T4750] invoke_syscall+0x98/0x2bc [ 83.156182][ T4750] el0_svc_common+0x138/0x258 [ 83.156902][ T4750] do_el0_svc+0x58/0x13c [ 83.157518][ T4750] el0_svc+0x58/0x138 [ 83.158067][ T4750] el0t_64_sync_handler+0x84/0xf0 [ 83.158780][ T4750] el0t_64_sync+0x18c/0x190 [ 83.159587][ T4750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.161446][ T4750] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.292727][ T4752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.294489][ T4752] CPU: 1 PID: 4752 Comm: syz.1.110 Not tainted syzkaller #0 [ 83.295648][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.297163][ T4752] Call trace: [ 83.297625][ T4752] dump_backtrace+0x1c8/0x1f4 [ 83.298359][ T4752] show_stack+0x2c/0x3c [ 83.298960][ T4752] __dump_stack+0x30/0x40 [ 83.299594][ T4752] dump_stack_lvl+0xf8/0x160 [ 83.300315][ T4752] dump_stack+0x1c/0x5c [ 83.300929][ T4752] sysfs_create_dir_ns+0x22c/0x24c [ 83.301678][ T4752] kobject_add_internal+0x5a8/0xb30 [ 83.302489][ T4752] kobject_init_and_add+0x118/0x17c [ 83.303262][ T4752] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.303972][ T4752] gfs2_fill_super+0xdec/0x19ec [ 83.304677][ T4752] get_tree_bdev+0x358/0x544 [ 83.305344][ T4752] gfs2_get_tree+0x54/0x1b4 [ 83.305986][ T4752] vfs_get_tree+0x90/0x274 [ 83.306597][ T4752] do_new_mount+0x228/0x810 [ 83.307259][ T4752] path_mount+0x5b4/0xe78 [ 83.307941][ T4752] __arm64_sys_mount+0x49c/0x584 [ 83.308720][ T4752] invoke_syscall+0x98/0x2bc [ 83.309439][ T4752] el0_svc_common+0x138/0x258 [ 83.310122][ T4752] do_el0_svc+0x58/0x13c [ 83.310742][ T4752] el0_svc+0x58/0x138 [ 83.311296][ T4752] el0t_64_sync_handler+0x84/0xf0 [ 83.312040][ T4752] el0t_64_sync+0x18c/0x190 [ 83.313309][ T4752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.315381][ T4752] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.439212][ T4754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.440599][ T4754] CPU: 0 PID: 4754 Comm: syz.1.111 Not tainted syzkaller #0 [ 83.441785][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.443446][ T4754] Call trace: [ 83.443972][ T4754] dump_backtrace+0x1c8/0x1f4 [ 83.444713][ T4754] show_stack+0x2c/0x3c [ 83.445364][ T4754] __dump_stack+0x30/0x40 [ 83.446034][ T4754] dump_stack_lvl+0xf8/0x160 [ 83.446715][ T4754] dump_stack+0x1c/0x5c [ 83.447327][ T4754] sysfs_create_dir_ns+0x22c/0x24c [ 83.448108][ T4754] kobject_add_internal+0x5a8/0xb30 [ 83.448887][ T4754] kobject_init_and_add+0x118/0x17c [ 83.449678][ T4754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.450449][ T4754] gfs2_fill_super+0xdec/0x19ec [ 83.451196][ T4754] get_tree_bdev+0x358/0x544 [ 83.451854][ T4754] gfs2_get_tree+0x54/0x1b4 [ 83.452551][ T4754] vfs_get_tree+0x90/0x274 [ 83.453157][ T4754] do_new_mount+0x228/0x810 [ 83.453814][ T4754] path_mount+0x5b4/0xe78 [ 83.454455][ T4754] __arm64_sys_mount+0x49c/0x584 [ 83.455167][ T4754] invoke_syscall+0x98/0x2bc [ 83.455877][ T4754] el0_svc_common+0x138/0x258 [ 83.456582][ T4754] do_el0_svc+0x58/0x13c [ 83.457265][ T4754] el0_svc+0x58/0x138 [ 83.457854][ T4754] el0t_64_sync_handler+0x84/0xf0 [ 83.458645][ T4754] el0t_64_sync+0x18c/0x190 [ 83.459534][ T4754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.461517][ T4754] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.577218][ T4756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.578469][ T4756] CPU: 1 PID: 4756 Comm: syz.1.112 Not tainted syzkaller #0 [ 83.579649][ T4756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.581233][ T4756] Call trace: [ 83.581763][ T4756] dump_backtrace+0x1c8/0x1f4 [ 83.582550][ T4756] show_stack+0x2c/0x3c [ 83.583180][ T4756] __dump_stack+0x30/0x40 [ 83.583879][ T4756] dump_stack_lvl+0xf8/0x160 [ 83.584548][ T4756] dump_stack+0x1c/0x5c [ 83.585204][ T4756] sysfs_create_dir_ns+0x22c/0x24c [ 83.586050][ T4756] kobject_add_internal+0x5a8/0xb30 [ 83.586832][ T4756] kobject_init_and_add+0x118/0x17c [ 83.587613][ T4756] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.588366][ T4756] gfs2_fill_super+0xdec/0x19ec [ 83.589082][ T4756] get_tree_bdev+0x358/0x544 [ 83.589752][ T4756] gfs2_get_tree+0x54/0x1b4 [ 83.590458][ T4756] vfs_get_tree+0x90/0x274 [ 83.591042][ T4756] do_new_mount+0x228/0x810 [ 83.591692][ T4756] path_mount+0x5b4/0xe78 [ 83.592315][ T4756] __arm64_sys_mount+0x49c/0x584 [ 83.593096][ T4756] invoke_syscall+0x98/0x2bc [ 83.593765][ T4756] el0_svc_common+0x138/0x258 [ 83.594356][ T4756] do_el0_svc+0x58/0x13c [ 83.594992][ T4756] el0_svc+0x58/0x138 [ 83.595577][ T4756] el0t_64_sync_handler+0x84/0xf0 [ 83.596350][ T4756] el0t_64_sync+0x18c/0x190 [ 83.598398][ T4756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.600671][ T4756] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.694217][ T4517] ------------[ cut here ]------------ [ 83.695158][ T4517] WARNING: CPU: 1 PID: 4517 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 83.696738][ T4517] Modules linked in: [ 83.697315][ T4517] CPU: 1 PID: 4517 Comm: gfs2_logd Not tainted syzkaller #0 [ 83.698415][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.699972][ T4517] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.701171][ T4517] pc : __folio_mark_dirty+0x8a0/0xce0 [ 83.702013][ T4517] lr : __folio_mark_dirty+0x8a0/0xce0 [ 83.702823][ T4517] sp : ffff800020d97940 [ 83.703445][ T4517] x29: ffff800020d97960 x28: 1fffff80006e1628 x27: dfff800000000000 [ 83.704662][ T4517] x26: 0000000000000000 x25: ffff0000c049c990 x24: 0000000000000001 [ 83.705880][ T4517] x23: 0000000000000000 x22: fffffc000370b148 x21: 1fffe00018093932 [ 83.707101][ T4517] x20: ffff0000f15647e8 x19: fffffc000370b140 x18: ffff800011a6bd40 [ 83.708369][ T4517] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 83.709649][ T4517] x14: ffff0000c934ddd8 x13: ffff0000c934de28 x12: 0000000000ff0100 [ 83.710909][ T4517] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 83.712219][ T4517] x8 : ffff0000c934d340 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.713522][ T4517] x5 : ffff800018358ee8 x4 : 0000000000000008 x3 : ffff800008a49628 [ 83.714787][ T4517] x2 : ffff0000ced80060 x1 : 0000000000000000 x0 : 0000000000000000 [ 83.715980][ T4517] Call trace: [ 83.716512][ T4517] __folio_mark_dirty+0x8a0/0xce0 [ 83.717300][ T4517] mark_buffer_dirty+0x2b8/0x5cc [ 83.718014][ T4517] gfs2_unpin+0x120/0x914 [ 83.718704][ T4517] buf_lo_after_commit+0x140/0x188 [ 83.719522][ T4517] gfs2_log_flush+0xbc8/0x1aa0 [ 83.720262][ T4517] gfs2_logd+0x28c/0xb90 [ 83.720884][ T4517] kthread+0x250/0x2d8 [ 83.721531][ T4517] ret_from_fork+0x10/0x20 [ 83.722263][ T4517] irq event stamp: 94 [ 83.722880][ T4517] hardirqs last enabled at (93): [] folio_memcg_lock+0xe8/0x1fc [ 83.724300][ T4517] hardirqs last disabled at (94): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 83.725768][ T4517] softirqs last enabled at (0): [] copy_process+0x1244/0x3670 [ 83.727221][ T4517] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 83.728284][ T4517] ---[ end trace 0000000000000000 ]--- [ 83.734850][ T51] ------------[ cut here ]------------ [ 83.734991][ T4758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.735804][ T51] WARNING: CPU: 1 PID: 51 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 83.736919][ T4758] CPU: 0 PID: 4758 Comm: syz.1.113 Tainted: G W syzkaller #0 [ 83.738613][ T51] Modules linked in: [ 83.740032][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.740632][ T51] [ 83.742232][ T4758] Call trace: [ 83.742575][ T51] CPU: 1 PID: 51 Comm: kworker/1:1H Tainted: G W syzkaller #0 [ 83.743060][ T4758] dump_backtrace+0x1c8/0x1f4 [ 83.744510][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.745241][ T4758] show_stack+0x2c/0x3c [ 83.746703][ T51] Workqueue: glock_workqueue glock_work_func [ 83.747334][ T4758] __dump_stack+0x30/0x40 [ 83.748286][ T51] [ 83.748928][ T4758] dump_stack_lvl+0xf8/0x160 [ 83.749245][ T51] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.749959][ T4758] dump_stack+0x1c/0x5c [ 83.751238][ T51] pc : __folio_start_writeback+0x868/0xa68 [ 83.751850][ T4758] sysfs_create_dir_ns+0x22c/0x24c [ 83.752753][ T51] lr : __folio_start_writeback+0x868/0xa68 [ 83.753495][ T4758] kobject_add_internal+0x5a8/0xb30 [ 83.754397][ T51] sp : ffff80001cdd72a0 [ 83.755171][ T4758] kobject_init_and_add+0x118/0x17c [ 83.755843][ T51] x29: ffff80001cdd7380 [ 83.756577][ T4758] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.757236][ T51] x28: dfff800000000000 [ 83.758000][ T4758] gfs2_fill_super+0xdec/0x19ec [ 83.758610][ T51] x27: 0000000000000000 [ 83.759385][ T4758] get_tree_bdev+0x358/0x544 [ 83.759402][ T4758] gfs2_get_tree+0x54/0x1b4 [ 83.760029][ T51] [ 83.760636][ T4758] vfs_get_tree+0x90/0x274 [ 83.761266][ T51] x26: ffff7000039bae5c [ 83.761575][ T4758] do_new_mount+0x228/0x810 [ 83.762220][ T51] x25: 0000000000000000 [ 83.762756][ T4758] path_mount+0x5b4/0xe78 [ 83.763386][ T51] x24: ffff0000f15657c0 [ 83.764002][ T4758] __arm64_sys_mount+0x49c/0x584 [ 83.764614][ T51] [ 83.765263][ T4758] invoke_syscall+0x98/0x2bc [ 83.765999][ T51] x23: ffff80001cdd7300 [ 83.766359][ T4758] el0_svc_common+0x138/0x258 [ 83.767084][ T51] x22: ffff0000c049c7e8 [ 83.767710][ T4758] do_el0_svc+0x58/0x13c [ 83.768452][ T51] x21: 0000000000000001 [ 83.769082][ T4758] el0_svc+0x58/0x138 [ 83.769654][ T51] [ 83.770324][ T4758] el0t_64_sync_handler+0x84/0xf0 [ 83.770954][ T51] x20: fffffc0003416888 [ 83.771275][ T4758] el0t_64_sync+0x18c/0x190 [ 83.772054][ T51] x19: fffffc0003416880 x18: 0000000000000000 [ 83.774524][ T51] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 83.775817][ T51] x14: ffff0000c4ee5dd8 x13: ffff0000c4ee5e50 x12: 0000000000ff0100 [ 83.777059][ T51] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 83.778384][ T51] x8 : ffff0000c4ee5340 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.779746][ T51] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087006dc [ 83.781007][ T51] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 83.782264][ T51] Call trace: [ 83.782739][ T51] __folio_start_writeback+0x868/0xa68 [ 83.783537][ T51] set_page_writeback+0x5c/0x7c [ 83.784305][ T51] gfs2_aspace_writepage+0x520/0x6e8 [ 83.785184][ T51] __writepage+0x70/0x18c [ 83.785855][ T51] write_cache_pages+0x73c/0xdd4 [ 83.785937][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.786641][ T51] do_writepages+0x320/0x4fc [ 83.788621][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.789259][ T51] filemap_fdatawrite_wbc+0x124/0x174 [ 83.791117][ T51] filemap_fdatawrite+0xc4/0x114 [ 83.791838][ T51] inode_go_sync+0x274/0x614 [ 83.792565][ T51] do_xmote+0x2e8/0x1198 [ 83.793203][ T51] run_queue+0x3b4/0x690 [ 83.793804][ T51] glock_work_func+0x1fc/0x428 [ 83.794514][ T51] process_one_work+0x7f4/0x13a8 [ 83.795266][ T51] worker_thread+0x8c8/0xfbc [ 83.796006][ T51] kthread+0x250/0x2d8 [ 83.796600][ T51] ret_from_fork+0x10/0x20 [ 83.797333][ T51] irq event stamp: 1168 [ 83.797976][ T51] hardirqs last enabled at (1167): [] folio_memcg_lock+0xe8/0x1fc [ 83.799469][ T51] hardirqs last disabled at (1168): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 83.800988][ T51] softirqs last enabled at (644): [] handle_softirqs+0xaf8/0xc6c [ 83.802422][ T51] softirqs last disabled at (625): [] __do_softirq+0x14/0x20 [ 83.803803][ T51] ---[ end trace 0000000000000000 ]--- [ 83.808704][ C0] ------------[ cut here ]------------ [ 83.809655][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 83.811359][ C0] Modules linked in: [ 83.811954][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 83.813360][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.814982][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 83.816136][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 83.817031][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 83.817888][ C0] sp : ffff80001c857960 [ 83.818558][ C0] x29: ffff80001c857980 x28: dfff800000000000 x27: ffff0000c049c7e8 [ 83.819713][ C0] x26: 0000000000000000 x25: 05ffd200000020d2 x24: 1fffff8000682d10 [ 83.820938][ C0] x23: 0000000000000001 x22: ffff0000f15657c0 x21: ffff0000f15657c8 [ 83.822179][ C0] x20: 0000000000000001 x19: fffffc0003416880 x18: 0000000014e09c87 [ 83.823377][ C0] x17: ffff800018186000 x16: ffff8000082d35d8 x15: 0000000000000000 [ 83.824627][ C0] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 83.825876][ C0] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 83.827080][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 83.828360][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 83.829549][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 83.830769][ C0] Call trace: [ 83.831278][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 83.832092][ C0] folio_end_writeback+0x12c/0x41c [ 83.832811][ C0] end_page_writeback+0x58/0x74 [ 83.833638][ C0] end_buffer_async_write+0x32c/0x508 [ 83.834435][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 83.835163][ C0] bio_endio+0x770/0x7b4 [ 83.835850][ C0] blk_update_request+0x49c/0xbec [ 83.836567][ C0] blk_mq_end_request+0x54/0x88 [ 83.837246][ C0] lo_complete_rq+0x1ec/0x250 [ 83.837903][ C0] blk_done_softirq+0x11c/0x168 [ 83.838691][ C0] handle_softirqs+0x318/0xc6c [ 83.839387][ C0] run_ksoftirqd+0x7c/0x2b0 [ 83.840068][ C0] smpboot_thread_fn+0x4b0/0x964 [ 83.840775][ C0] kthread+0x250/0x2d8 [ 83.841416][ C0] ret_from_fork+0x10/0x20 [ 83.842091][ C0] irq event stamp: 735475 [ 83.842716][ C0] hardirqs last enabled at (735474): [] folio_memcg_lock+0xe8/0x1fc [ 83.844150][ C0] hardirqs last disabled at (735475): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 83.845638][ C0] softirqs last enabled at (735464): [] handle_softirqs+0xaf8/0xc6c [ 83.847028][ C0] softirqs last disabled at (735469): [] run_ksoftirqd+0x7c/0x2b0 [ 83.848446][ C0] ---[ end trace 0000000000000000 ]--- [ 83.972017][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.973240][ T4761] CPU: 0 PID: 4761 Comm: syz.1.114 Tainted: G W syzkaller #0 [ 83.974689][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.976310][ T4761] Call trace: [ 83.976794][ T4761] dump_backtrace+0x1c8/0x1f4 [ 83.977515][ T4761] show_stack+0x2c/0x3c [ 83.978157][ T4761] __dump_stack+0x30/0x40 [ 83.978914][ T4761] dump_stack_lvl+0xf8/0x160 [ 83.979608][ T4761] dump_stack+0x1c/0x5c [ 83.980244][ T4761] sysfs_create_dir_ns+0x22c/0x24c [ 83.981014][ T4761] kobject_add_internal+0x5a8/0xb30 [ 83.981845][ T4761] kobject_init_and_add+0x118/0x17c [ 83.982672][ T4761] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.983401][ T4761] gfs2_fill_super+0xdec/0x19ec [ 83.984156][ T4761] get_tree_bdev+0x358/0x544 [ 83.984910][ T4761] gfs2_get_tree+0x54/0x1b4 [ 83.985645][ T4761] vfs_get_tree+0x90/0x274 [ 83.986314][ T4761] do_new_mount+0x228/0x810 [ 83.986972][ T4761] path_mount+0x5b4/0xe78 [ 83.987645][ T4761] __arm64_sys_mount+0x49c/0x584 [ 83.988429][ T4761] invoke_syscall+0x98/0x2bc [ 83.989125][ T4761] el0_svc_common+0x138/0x258 [ 83.989833][ T4761] do_el0_svc+0x58/0x13c [ 83.990467][ T4761] el0_svc+0x58/0x138 [ 83.991126][ T4761] el0t_64_sync_handler+0x84/0xf0 [ 83.991904][ T4761] el0t_64_sync+0x18c/0x190 [ 83.994279][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.996321][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.112863][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.114132][ T4763] CPU: 1 PID: 4763 Comm: syz.1.115 Tainted: G W syzkaller #0 [ 84.115470][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.117021][ T4763] Call trace: [ 84.117465][ T4763] dump_backtrace+0x1c8/0x1f4 [ 84.118223][ T4763] show_stack+0x2c/0x3c [ 84.118833][ T4763] __dump_stack+0x30/0x40 [ 84.119535][ T4763] dump_stack_lvl+0xf8/0x160 [ 84.120295][ T4763] dump_stack+0x1c/0x5c [ 84.120973][ T4763] sysfs_create_dir_ns+0x22c/0x24c [ 84.121830][ T4763] kobject_add_internal+0x5a8/0xb30 [ 84.122614][ T4763] kobject_init_and_add+0x118/0x17c [ 84.123471][ T4763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.124279][ T4763] gfs2_fill_super+0xdec/0x19ec [ 84.125016][ T4763] get_tree_bdev+0x358/0x544 [ 84.125769][ T4763] gfs2_get_tree+0x54/0x1b4 [ 84.126461][ T4763] vfs_get_tree+0x90/0x274 [ 84.127189][ T4763] do_new_mount+0x228/0x810 [ 84.127912][ T4763] path_mount+0x5b4/0xe78 [ 84.128540][ T4763] __arm64_sys_mount+0x49c/0x584 [ 84.129324][ T4763] invoke_syscall+0x98/0x2bc [ 84.130071][ T4763] el0_svc_common+0x138/0x258 [ 84.130790][ T4763] do_el0_svc+0x58/0x13c [ 84.131453][ T4763] el0_svc+0x58/0x138 [ 84.132053][ T4763] el0t_64_sync_handler+0x84/0xf0 [ 84.132834][ T4763] el0t_64_sync+0x18c/0x190 [ 84.133752][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.135736][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.253432][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.254631][ T4765] CPU: 1 PID: 4765 Comm: syz.1.116 Tainted: G W syzkaller #0 [ 84.256123][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.257742][ T4765] Call trace: [ 84.258222][ T4765] dump_backtrace+0x1c8/0x1f4 [ 84.258924][ T4765] show_stack+0x2c/0x3c [ 84.259607][ T4765] __dump_stack+0x30/0x40 [ 84.260331][ T4765] dump_stack_lvl+0xf8/0x160 [ 84.261066][ T4765] dump_stack+0x1c/0x5c [ 84.261726][ T4765] sysfs_create_dir_ns+0x22c/0x24c [ 84.262521][ T4765] kobject_add_internal+0x5a8/0xb30 [ 84.263293][ T4765] kobject_init_and_add+0x118/0x17c [ 84.264120][ T4765] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.264904][ T4765] gfs2_fill_super+0xdec/0x19ec [ 84.265646][ T4765] get_tree_bdev+0x358/0x544 [ 84.266372][ T4765] gfs2_get_tree+0x54/0x1b4 [ 84.267068][ T4765] vfs_get_tree+0x90/0x274 [ 84.267745][ T4765] do_new_mount+0x228/0x810 [ 84.268466][ T4765] path_mount+0x5b4/0xe78 [ 84.269173][ T4765] __arm64_sys_mount+0x49c/0x584 [ 84.269975][ T4765] invoke_syscall+0x98/0x2bc [ 84.270707][ T4765] el0_svc_common+0x138/0x258 [ 84.271476][ T4765] do_el0_svc+0x58/0x13c [ 84.272136][ T4765] el0_svc+0x58/0x138 [ 84.272711][ T4765] el0t_64_sync_handler+0x84/0xf0 [ 84.273443][ T4765] el0t_64_sync+0x18c/0x190 [ 84.274369][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.276406][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.406563][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.407835][ T4767] CPU: 1 PID: 4767 Comm: syz.1.117 Tainted: G W syzkaller #0 [ 84.409195][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.410841][ T4767] Call trace: [ 84.411323][ T4767] dump_backtrace+0x1c8/0x1f4 [ 84.412064][ T4767] show_stack+0x2c/0x3c [ 84.412701][ T4767] __dump_stack+0x30/0x40 [ 84.413398][ T4767] dump_stack_lvl+0xf8/0x160 [ 84.414149][ T4767] dump_stack+0x1c/0x5c [ 84.414836][ T4767] sysfs_create_dir_ns+0x22c/0x24c [ 84.415644][ T4767] kobject_add_internal+0x5a8/0xb30 [ 84.416455][ T4767] kobject_init_and_add+0x118/0x17c [ 84.417272][ T4767] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.418009][ T4767] gfs2_fill_super+0xdec/0x19ec [ 84.418743][ T4767] get_tree_bdev+0x358/0x544 [ 84.419474][ T4767] gfs2_get_tree+0x54/0x1b4 [ 84.420128][ T4767] vfs_get_tree+0x90/0x274 [ 84.420824][ T4767] do_new_mount+0x228/0x810 [ 84.421540][ T4767] path_mount+0x5b4/0xe78 [ 84.422179][ T4767] __arm64_sys_mount+0x49c/0x584 [ 84.422948][ T4767] invoke_syscall+0x98/0x2bc [ 84.423598][ T4767] el0_svc_common+0x138/0x258 [ 84.424339][ T4767] do_el0_svc+0x58/0x13c [ 84.424959][ T4767] el0_svc+0x58/0x138 [ 84.425610][ T4767] el0t_64_sync_handler+0x84/0xf0 [ 84.426434][ T4767] el0t_64_sync+0x18c/0x190 [ 84.428486][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.430743][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.548667][ T4769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.549884][ T4769] CPU: 1 PID: 4769 Comm: syz.1.118 Tainted: G W syzkaller #0 [ 84.551376][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.552959][ T4769] Call trace: [ 84.553438][ T4769] dump_backtrace+0x1c8/0x1f4 [ 84.554177][ T4769] show_stack+0x2c/0x3c [ 84.554824][ T4769] __dump_stack+0x30/0x40 [ 84.555469][ T4769] dump_stack_lvl+0xf8/0x160 [ 84.556143][ T4769] dump_stack+0x1c/0x5c [ 84.556769][ T4769] sysfs_create_dir_ns+0x22c/0x24c [ 84.557545][ T4769] kobject_add_internal+0x5a8/0xb30 [ 84.558311][ T4769] kobject_init_and_add+0x118/0x17c [ 84.559116][ T4769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.559862][ T4769] gfs2_fill_super+0xdec/0x19ec [ 84.560585][ T4769] get_tree_bdev+0x358/0x544 [ 84.561303][ T4769] gfs2_get_tree+0x54/0x1b4 [ 84.561987][ T4769] vfs_get_tree+0x90/0x274 [ 84.562648][ T4769] do_new_mount+0x228/0x810 [ 84.563323][ T4769] path_mount+0x5b4/0xe78 [ 84.563946][ T4769] __arm64_sys_mount+0x49c/0x584 [ 84.564718][ T4769] invoke_syscall+0x98/0x2bc [ 84.565438][ T4769] el0_svc_common+0x138/0x258 [ 84.566239][ T4769] do_el0_svc+0x58/0x13c [ 84.566927][ T4769] el0_svc+0x58/0x138 [ 84.567563][ T4769] el0t_64_sync_handler+0x84/0xf0 [ 84.568405][ T4769] el0t_64_sync+0x18c/0x190 [ 84.570542][ T4769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.572656][ T4769] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:24 executed programs: 104 [ 84.701703][ T4771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.702861][ T4771] CPU: 1 PID: 4771 Comm: syz.1.119 Tainted: G W syzkaller #0 [ 84.704208][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.705815][ T4771] Call trace: [ 84.706304][ T4771] dump_backtrace+0x1c8/0x1f4 [ 84.706987][ T4771] show_stack+0x2c/0x3c [ 84.707648][ T4771] __dump_stack+0x30/0x40 [ 84.708371][ T4771] dump_stack_lvl+0xf8/0x160 [ 84.709011][ T4771] dump_stack+0x1c/0x5c [ 84.709698][ T4771] sysfs_create_dir_ns+0x22c/0x24c [ 84.710472][ T4771] kobject_add_internal+0x5a8/0xb30 [ 84.711318][ T4771] kobject_init_and_add+0x118/0x17c [ 84.712109][ T4771] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.712870][ T4771] gfs2_fill_super+0xdec/0x19ec [ 84.713649][ T4771] get_tree_bdev+0x358/0x544 [ 84.714373][ T4771] gfs2_get_tree+0x54/0x1b4 [ 84.715036][ T4771] vfs_get_tree+0x90/0x274 [ 84.715715][ T4771] do_new_mount+0x228/0x810 [ 84.716395][ T4771] path_mount+0x5b4/0xe78 [ 84.717107][ T4771] __arm64_sys_mount+0x49c/0x584 [ 84.717981][ T4771] invoke_syscall+0x98/0x2bc [ 84.718781][ T4771] el0_svc_common+0x138/0x258 [ 84.719591][ T4771] do_el0_svc+0x58/0x13c [ 84.720298][ T4771] el0_svc+0x58/0x138 [ 84.720983][ T4771] el0t_64_sync_handler+0x84/0xf0 [ 84.721807][ T4771] el0t_64_sync+0x18c/0x190 [ 84.723802][ T4771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.725825][ T4771] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.843736][ T4773] set_capacity_and_notify: 24 callbacks suppressed [ 84.843746][ T4773] loop1: detected capacity change from 0 to 32768 [ 84.851293][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.852508][ T4773] CPU: 1 PID: 4773 Comm: syz.1.120 Tainted: G W syzkaller #0 [ 84.853941][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.855504][ T4773] Call trace: [ 84.856059][ T4773] dump_backtrace+0x1c8/0x1f4 [ 84.856863][ T4773] show_stack+0x2c/0x3c [ 84.857504][ T4773] __dump_stack+0x30/0x40 [ 84.858171][ T4773] dump_stack_lvl+0xf8/0x160 [ 84.858867][ T4773] dump_stack+0x1c/0x5c [ 84.859496][ T4773] sysfs_create_dir_ns+0x22c/0x24c [ 84.860306][ T4773] kobject_add_internal+0x5a8/0xb30 [ 84.861089][ T4773] kobject_init_and_add+0x118/0x17c [ 84.861890][ T4773] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.862681][ T4773] gfs2_fill_super+0xdec/0x19ec [ 84.863550][ T4773] get_tree_bdev+0x358/0x544 [ 84.864350][ T4773] gfs2_get_tree+0x54/0x1b4 [ 84.865092][ T4773] vfs_get_tree+0x90/0x274 [ 84.865832][ T4773] do_new_mount+0x228/0x810 [ 84.866531][ T4773] path_mount+0x5b4/0xe78 [ 84.867194][ T4773] __arm64_sys_mount+0x49c/0x584 [ 84.867936][ T4773] invoke_syscall+0x98/0x2bc [ 84.868694][ T4773] el0_svc_common+0x138/0x258 [ 84.869381][ T4773] do_el0_svc+0x58/0x13c [ 84.870059][ T4773] el0_svc+0x58/0x138 [ 84.870692][ T4773] el0t_64_sync_handler+0x84/0xf0 [ 84.871390][ T4773] el0t_64_sync+0x18c/0x190 [ 84.873324][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.875481][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.997784][ T4775] loop1: detected capacity change from 0 to 32768 [ 85.004678][ T4775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.005870][ T4775] CPU: 1 PID: 4775 Comm: syz.1.121 Tainted: G W syzkaller #0 [ 85.007275][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.008884][ T4775] Call trace: [ 85.009422][ T4775] dump_backtrace+0x1c8/0x1f4 [ 85.010176][ T4775] show_stack+0x2c/0x3c [ 85.010805][ T4775] __dump_stack+0x30/0x40 [ 85.011447][ T4775] dump_stack_lvl+0xf8/0x160 [ 85.012221][ T4775] dump_stack+0x1c/0x5c [ 85.012813][ T4775] sysfs_create_dir_ns+0x22c/0x24c [ 85.013595][ T4775] kobject_add_internal+0x5a8/0xb30 [ 85.014382][ T4775] kobject_init_and_add+0x118/0x17c [ 85.015156][ T4775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.015834][ T4775] gfs2_fill_super+0xdec/0x19ec [ 85.016577][ T4775] get_tree_bdev+0x358/0x544 [ 85.017267][ T4775] gfs2_get_tree+0x54/0x1b4 [ 85.017957][ T4775] vfs_get_tree+0x90/0x274 [ 85.018581][ T4775] do_new_mount+0x228/0x810 [ 85.019263][ T4775] path_mount+0x5b4/0xe78 [ 85.019974][ T4775] __arm64_sys_mount+0x49c/0x584 [ 85.020692][ T4775] invoke_syscall+0x98/0x2bc [ 85.021413][ T4775] el0_svc_common+0x138/0x258 [ 85.022168][ T4775] do_el0_svc+0x58/0x13c [ 85.022788][ T4775] el0_svc+0x58/0x138 [ 85.023372][ T4775] el0t_64_sync_handler+0x84/0xf0 [ 85.024133][ T4775] el0t_64_sync+0x18c/0x190 [ 85.026134][ T4775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.028264][ T4775] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.060852][ T4544] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 85.196735][ T4777] loop1: detected capacity change from 0 to 32768 [ 85.201904][ T4777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.203225][ T4777] CPU: 1 PID: 4777 Comm: syz.1.122 Tainted: G W syzkaller #0 [ 85.204658][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.206243][ T4777] Call trace: [ 85.206759][ T4777] dump_backtrace+0x1c8/0x1f4 [ 85.207542][ T4777] show_stack+0x2c/0x3c [ 85.208186][ T4777] __dump_stack+0x30/0x40 [ 85.208879][ T4777] dump_stack_lvl+0xf8/0x160 [ 85.209584][ T4777] dump_stack+0x1c/0x5c [ 85.210258][ T4777] sysfs_create_dir_ns+0x22c/0x24c [ 85.211079][ T4777] kobject_add_internal+0x5a8/0xb30 [ 85.211896][ T4777] kobject_init_and_add+0x118/0x17c [ 85.212692][ T4777] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.213413][ T4777] gfs2_fill_super+0xdec/0x19ec [ 85.214201][ T4777] get_tree_bdev+0x358/0x544 [ 85.214920][ T4777] gfs2_get_tree+0x54/0x1b4 [ 85.215630][ T4777] vfs_get_tree+0x90/0x274 [ 85.216296][ T4777] do_new_mount+0x228/0x810 [ 85.216985][ T4777] path_mount+0x5b4/0xe78 [ 85.217646][ T4777] __arm64_sys_mount+0x49c/0x584 [ 85.218339][ T4777] invoke_syscall+0x98/0x2bc [ 85.219087][ T4777] el0_svc_common+0x138/0x258 [ 85.219835][ T4777] do_el0_svc+0x58/0x13c [ 85.220504][ T4777] el0_svc+0x58/0x138 [ 85.221124][ T4777] el0t_64_sync_handler+0x84/0xf0 [ 85.221856][ T4777] el0t_64_sync+0x18c/0x190 [ 85.223598][ T4777] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.225515][ T4777] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.351094][ T4779] loop1: detected capacity change from 0 to 32768 [ 85.361450][ T4779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.362857][ T4779] CPU: 1 PID: 4779 Comm: syz.1.123 Tainted: G W syzkaller #0 [ 85.364239][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.365843][ T4779] Call trace: [ 85.366343][ T4779] dump_backtrace+0x1c8/0x1f4 [ 85.367058][ T4779] show_stack+0x2c/0x3c [ 85.367680][ T4779] __dump_stack+0x30/0x40 [ 85.368340][ T4779] dump_stack_lvl+0xf8/0x160 [ 85.369059][ T4779] dump_stack+0x1c/0x5c [ 85.369745][ T4779] sysfs_create_dir_ns+0x22c/0x24c [ 85.370566][ T4779] kobject_add_internal+0x5a8/0xb30 [ 85.371374][ T4779] kobject_init_and_add+0x118/0x17c [ 85.372144][ T4779] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.372922][ T4779] gfs2_fill_super+0xdec/0x19ec [ 85.373676][ T4779] get_tree_bdev+0x358/0x544 [ 85.374350][ T4779] gfs2_get_tree+0x54/0x1b4 [ 85.375075][ T4779] vfs_get_tree+0x90/0x274 [ 85.375744][ T4779] do_new_mount+0x228/0x810 [ 85.376394][ T4779] path_mount+0x5b4/0xe78 [ 85.377115][ T4779] __arm64_sys_mount+0x49c/0x584 [ 85.377926][ T4779] invoke_syscall+0x98/0x2bc [ 85.378675][ T4779] el0_svc_common+0x138/0x258 [ 85.379367][ T4779] do_el0_svc+0x58/0x13c [ 85.380050][ T4779] el0_svc+0x58/0x138 [ 85.380634][ T4779] el0t_64_sync_handler+0x84/0xf0 [ 85.381365][ T4779] el0t_64_sync+0x18c/0x190 [ 85.382332][ T4779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.384346][ T4779] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.497238][ T4781] loop1: detected capacity change from 0 to 32768 [ 85.498993][ T4781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.500516][ T4781] CPU: 0 PID: 4781 Comm: syz.1.124 Tainted: G W syzkaller #0 [ 85.502001][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.503660][ T4781] Call trace: [ 85.504215][ T4781] dump_backtrace+0x1c8/0x1f4 [ 85.504900][ T4781] show_stack+0x2c/0x3c [ 85.505563][ T4781] __dump_stack+0x30/0x40 [ 85.506299][ T4781] dump_stack_lvl+0xf8/0x160 [ 85.507018][ T4781] dump_stack+0x1c/0x5c [ 85.507672][ T4781] sysfs_create_dir_ns+0x22c/0x24c [ 85.508459][ T4781] kobject_add_internal+0x5a8/0xb30 [ 85.509285][ T4781] kobject_init_and_add+0x118/0x17c [ 85.510149][ T4781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.510860][ T4781] gfs2_fill_super+0xdec/0x19ec [ 85.511623][ T4781] get_tree_bdev+0x358/0x544 [ 85.512335][ T4781] gfs2_get_tree+0x54/0x1b4 [ 85.513053][ T4781] vfs_get_tree+0x90/0x274 [ 85.513783][ T4781] do_new_mount+0x228/0x810 [ 85.514506][ T4781] path_mount+0x5b4/0xe78 [ 85.515178][ T4781] __arm64_sys_mount+0x49c/0x584 [ 85.515947][ T4781] invoke_syscall+0x98/0x2bc [ 85.516625][ T4781] el0_svc_common+0x138/0x258 [ 85.517370][ T4781] do_el0_svc+0x58/0x13c [ 85.518019][ T4781] el0_svc+0x58/0x138 [ 85.518658][ T4781] el0t_64_sync_handler+0x84/0xf0 [ 85.519446][ T4781] el0t_64_sync+0x18c/0x190 [ 85.521573][ T4781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.523625][ T4781] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.647507][ T4783] loop1: detected capacity change from 0 to 32768 [ 85.651632][ T4783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.653718][ T4783] CPU: 1 PID: 4783 Comm: syz.1.125 Tainted: G W syzkaller #0 [ 85.655101][ T4783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.656626][ T4783] Call trace: [ 85.657130][ T4783] dump_backtrace+0x1c8/0x1f4 [ 85.657838][ T4783] show_stack+0x2c/0x3c [ 85.658477][ T4783] __dump_stack+0x30/0x40 [ 85.659138][ T4783] dump_stack_lvl+0xf8/0x160 [ 85.659845][ T4783] dump_stack+0x1c/0x5c [ 85.660513][ T4783] sysfs_create_dir_ns+0x22c/0x24c [ 85.661303][ T4783] kobject_add_internal+0x5a8/0xb30 [ 85.662151][ T4783] kobject_init_and_add+0x118/0x17c [ 85.662937][ T4783] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.663642][ T4783] gfs2_fill_super+0xdec/0x19ec [ 85.664309][ T4783] get_tree_bdev+0x358/0x544 [ 85.664986][ T4783] gfs2_get_tree+0x54/0x1b4 [ 85.665662][ T4783] vfs_get_tree+0x90/0x274 [ 85.666376][ T4783] do_new_mount+0x228/0x810 [ 85.667029][ T4783] path_mount+0x5b4/0xe78 [ 85.667684][ T4783] __arm64_sys_mount+0x49c/0x584 [ 85.668415][ T4783] invoke_syscall+0x98/0x2bc [ 85.669120][ T4783] el0_svc_common+0x138/0x258 [ 85.669802][ T4783] do_el0_svc+0x58/0x13c [ 85.670396][ T4783] el0_svc+0x58/0x138 [ 85.670954][ T4783] el0t_64_sync_handler+0x84/0xf0 [ 85.671733][ T4783] el0t_64_sync+0x18c/0x190 [ 85.672592][ T4783] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.674632][ T4783] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.798010][ T4785] loop1: detected capacity change from 0 to 32768 [ 85.804020][ T4785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.805327][ T4785] CPU: 1 PID: 4785 Comm: syz.1.126 Tainted: G W syzkaller #0 [ 85.806748][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.808400][ T4785] Call trace: [ 85.808942][ T4785] dump_backtrace+0x1c8/0x1f4 [ 85.809717][ T4785] show_stack+0x2c/0x3c [ 85.810411][ T4785] __dump_stack+0x30/0x40 [ 85.811127][ T4785] dump_stack_lvl+0xf8/0x160 [ 85.811831][ T4785] dump_stack+0x1c/0x5c [ 85.812475][ T4785] sysfs_create_dir_ns+0x22c/0x24c [ 85.813309][ T4785] kobject_add_internal+0x5a8/0xb30 [ 85.814156][ T4785] kobject_init_and_add+0x118/0x17c [ 85.815061][ T4785] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.815828][ T4785] gfs2_fill_super+0xdec/0x19ec [ 85.816605][ T4785] get_tree_bdev+0x358/0x544 [ 85.817367][ T4785] gfs2_get_tree+0x54/0x1b4 [ 85.818088][ T4785] vfs_get_tree+0x90/0x274 [ 85.818805][ T4785] do_new_mount+0x228/0x810 [ 85.819534][ T4785] path_mount+0x5b4/0xe78 [ 85.820251][ T4785] __arm64_sys_mount+0x49c/0x584 [ 85.821078][ T4785] invoke_syscall+0x98/0x2bc [ 85.821817][ T4785] el0_svc_common+0x138/0x258 [ 85.822604][ T4785] do_el0_svc+0x58/0x13c [ 85.823214][ T4785] el0_svc+0x58/0x138 [ 85.823849][ T4785] el0t_64_sync_handler+0x84/0xf0 [ 85.824625][ T4785] el0t_64_sync+0x18c/0x190 [ 85.825540][ T4785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.827653][ T4785] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.976065][ T4787] loop1: detected capacity change from 0 to 32768 [ 85.977710][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.978867][ T4787] CPU: 0 PID: 4787 Comm: syz.1.127 Tainted: G W syzkaller #0 [ 85.980279][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.981917][ T4787] Call trace: [ 85.982422][ T4787] dump_backtrace+0x1c8/0x1f4 [ 85.983209][ T4787] show_stack+0x2c/0x3c [ 85.983921][ T4787] __dump_stack+0x30/0x40 [ 85.984592][ T4787] dump_stack_lvl+0xf8/0x160 [ 85.985381][ T4787] dump_stack+0x1c/0x5c [ 85.986124][ T4787] sysfs_create_dir_ns+0x22c/0x24c [ 85.986918][ T4787] kobject_add_internal+0x5a8/0xb30 [ 85.987749][ T4787] kobject_init_and_add+0x118/0x17c [ 85.988514][ T4787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.989249][ T4787] gfs2_fill_super+0xdec/0x19ec [ 85.990027][ T4787] get_tree_bdev+0x358/0x544 [ 85.990713][ T4787] gfs2_get_tree+0x54/0x1b4 [ 85.991367][ T4787] vfs_get_tree+0x90/0x274 [ 85.992041][ T4787] do_new_mount+0x228/0x810 [ 85.992747][ T4787] path_mount+0x5b4/0xe78 [ 85.993382][ T4787] __arm64_sys_mount+0x49c/0x584 [ 85.994176][ T4787] invoke_syscall+0x98/0x2bc [ 85.994907][ T4787] el0_svc_common+0x138/0x258 [ 85.995639][ T4787] do_el0_svc+0x58/0x13c [ 85.996319][ T4787] el0_svc+0x58/0x138 [ 85.997039][ T4787] el0t_64_sync_handler+0x84/0xf0 [ 85.997911][ T4787] el0t_64_sync+0x18c/0x190 [ 86.000081][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.002008][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.121672][ T4789] loop1: detected capacity change from 0 to 32768 [ 86.123296][ T4789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.124437][ T4789] CPU: 0 PID: 4789 Comm: syz.1.128 Tainted: G W syzkaller #0 [ 86.125840][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.127445][ T4789] Call trace: [ 86.127966][ T4789] dump_backtrace+0x1c8/0x1f4 [ 86.128733][ T4789] show_stack+0x2c/0x3c [ 86.129440][ T4789] __dump_stack+0x30/0x40 [ 86.130087][ T4789] dump_stack_lvl+0xf8/0x160 [ 86.130762][ T4789] dump_stack+0x1c/0x5c [ 86.131427][ T4789] sysfs_create_dir_ns+0x22c/0x24c [ 86.132198][ T4789] kobject_add_internal+0x5a8/0xb30 [ 86.132942][ T4789] kobject_init_and_add+0x118/0x17c [ 86.133675][ T4789] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.134436][ T4789] gfs2_fill_super+0xdec/0x19ec [ 86.135115][ T4789] get_tree_bdev+0x358/0x544 [ 86.135803][ T4789] gfs2_get_tree+0x54/0x1b4 [ 86.136476][ T4789] vfs_get_tree+0x90/0x274 [ 86.137138][ T4789] do_new_mount+0x228/0x810 [ 86.137836][ T4789] path_mount+0x5b4/0xe78 [ 86.138537][ T4789] __arm64_sys_mount+0x49c/0x584 [ 86.139316][ T4789] invoke_syscall+0x98/0x2bc [ 86.140001][ T4789] el0_svc_common+0x138/0x258 [ 86.140681][ T4789] do_el0_svc+0x58/0x13c [ 86.141384][ T4789] el0_svc+0x58/0x138 [ 86.141981][ T4789] el0t_64_sync_handler+0x84/0xf0 [ 86.142716][ T4789] el0t_64_sync+0x18c/0x190 [ 86.144891][ T4789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.146870][ T4789] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.261376][ T4791] loop1: detected capacity change from 0 to 32768 [ 86.263122][ T4791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.264278][ T4791] CPU: 0 PID: 4791 Comm: syz.1.129 Tainted: G W syzkaller #0 [ 86.265591][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.267044][ T4791] Call trace: [ 86.267499][ T4791] dump_backtrace+0x1c8/0x1f4 [ 86.268142][ T4791] show_stack+0x2c/0x3c [ 86.268740][ T4791] __dump_stack+0x30/0x40 [ 86.269397][ T4791] dump_stack_lvl+0xf8/0x160 [ 86.270104][ T4791] dump_stack+0x1c/0x5c [ 86.270815][ T4791] sysfs_create_dir_ns+0x22c/0x24c [ 86.271561][ T4791] kobject_add_internal+0x5a8/0xb30 [ 86.272373][ T4791] kobject_init_and_add+0x118/0x17c [ 86.273206][ T4791] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.273973][ T4791] gfs2_fill_super+0xdec/0x19ec [ 86.274680][ T4791] get_tree_bdev+0x358/0x544 [ 86.275345][ T4791] gfs2_get_tree+0x54/0x1b4 [ 86.276051][ T4791] vfs_get_tree+0x90/0x274 [ 86.276748][ T4791] do_new_mount+0x228/0x810 [ 86.277469][ T4791] path_mount+0x5b4/0xe78 [ 86.278100][ T4791] __arm64_sys_mount+0x49c/0x584 [ 86.278838][ T4791] invoke_syscall+0x98/0x2bc [ 86.279494][ T4791] el0_svc_common+0x138/0x258 [ 86.280177][ T4791] do_el0_svc+0x58/0x13c [ 86.280856][ T4791] el0_svc+0x58/0x138 [ 86.281446][ T4791] el0t_64_sync_handler+0x84/0xf0 [ 86.282204][ T4791] el0t_64_sync+0x18c/0x190 [ 86.284195][ T4791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.286188][ T4791] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.411707][ T4793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.412893][ T4793] CPU: 0 PID: 4793 Comm: syz.1.130 Tainted: G W syzkaller #0 [ 86.414259][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.415719][ T4793] Call trace: [ 86.416179][ T4793] dump_backtrace+0x1c8/0x1f4 [ 86.416825][ T4793] show_stack+0x2c/0x3c [ 86.417550][ T4793] __dump_stack+0x30/0x40 [ 86.418201][ T4793] dump_stack_lvl+0xf8/0x160 [ 86.418844][ T4793] dump_stack+0x1c/0x5c [ 86.419475][ T4793] sysfs_create_dir_ns+0x22c/0x24c [ 86.420314][ T4793] kobject_add_internal+0x5a8/0xb30 [ 86.421115][ T4793] kobject_init_and_add+0x118/0x17c [ 86.421958][ T4793] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.422727][ T4793] gfs2_fill_super+0xdec/0x19ec [ 86.423541][ T4793] get_tree_bdev+0x358/0x544 [ 86.424235][ T4793] gfs2_get_tree+0x54/0x1b4 [ 86.424861][ T4793] vfs_get_tree+0x90/0x274 [ 86.425548][ T4793] do_new_mount+0x228/0x810 [ 86.426261][ T4793] path_mount+0x5b4/0xe78 [ 86.426901][ T4793] __arm64_sys_mount+0x49c/0x584 [ 86.427644][ T4793] invoke_syscall+0x98/0x2bc [ 86.428372][ T4793] el0_svc_common+0x138/0x258 [ 86.429104][ T4793] do_el0_svc+0x58/0x13c [ 86.429669][ T4793] el0_svc+0x58/0x138 [ 86.430336][ T4793] el0t_64_sync_handler+0x84/0xf0 [ 86.431078][ T4793] el0t_64_sync+0x18c/0x190 [ 86.432999][ T4793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.435083][ T4793] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.553476][ T4795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.554640][ T4795] CPU: 1 PID: 4795 Comm: syz.1.131 Tainted: G W syzkaller #0 [ 86.556084][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.557538][ T4795] Call trace: [ 86.558010][ T4795] dump_backtrace+0x1c8/0x1f4 [ 86.558739][ T4795] show_stack+0x2c/0x3c [ 86.559383][ T4795] __dump_stack+0x30/0x40 [ 86.560060][ T4795] dump_stack_lvl+0xf8/0x160 [ 86.560759][ T4795] dump_stack+0x1c/0x5c [ 86.561418][ T4795] sysfs_create_dir_ns+0x22c/0x24c [ 86.562211][ T4795] kobject_add_internal+0x5a8/0xb30 [ 86.563062][ T4795] kobject_init_and_add+0x118/0x17c [ 86.563832][ T4795] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.564509][ T4795] gfs2_fill_super+0xdec/0x19ec [ 86.565180][ T4795] get_tree_bdev+0x358/0x544 [ 86.565898][ T4795] gfs2_get_tree+0x54/0x1b4 [ 86.566568][ T4795] vfs_get_tree+0x90/0x274 [ 86.567192][ T4795] do_new_mount+0x228/0x810 [ 86.567880][ T4795] path_mount+0x5b4/0xe78 [ 86.568502][ T4795] __arm64_sys_mount+0x49c/0x584 [ 86.569217][ T4795] invoke_syscall+0x98/0x2bc [ 86.569935][ T4795] el0_svc_common+0x138/0x258 [ 86.570673][ T4795] do_el0_svc+0x58/0x13c [ 86.571308][ T4795] el0_svc+0x58/0x138 [ 86.571929][ T4795] el0t_64_sync_handler+0x84/0xf0 [ 86.572660][ T4795] el0t_64_sync+0x18c/0x190 [ 86.573471][ T4795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.575373][ T4795] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.696190][ T4797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.697458][ T4797] CPU: 1 PID: 4797 Comm: syz.1.132 Tainted: G W syzkaller #0 [ 86.698876][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.700466][ T4797] Call trace: [ 86.701002][ T4797] dump_backtrace+0x1c8/0x1f4 [ 86.701751][ T4797] show_stack+0x2c/0x3c [ 86.702398][ T4797] __dump_stack+0x30/0x40 [ 86.703046][ T4797] dump_stack_lvl+0xf8/0x160 [ 86.703755][ T4797] dump_stack+0x1c/0x5c [ 86.704420][ T4797] sysfs_create_dir_ns+0x22c/0x24c [ 86.705215][ T4797] kobject_add_internal+0x5a8/0xb30 [ 86.706017][ T4797] kobject_init_and_add+0x118/0x17c [ 86.706865][ T4797] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.707590][ T4797] gfs2_fill_super+0xdec/0x19ec [ 86.708324][ T4797] get_tree_bdev+0x358/0x544 [ 86.709055][ T4797] gfs2_get_tree+0x54/0x1b4 [ 86.709739][ T4797] vfs_get_tree+0x90/0x274 [ 86.710483][ T4797] do_new_mount+0x228/0x810 [ 86.711222][ T4797] path_mount+0x5b4/0xe78 [ 86.711872][ T4797] __arm64_sys_mount+0x49c/0x584 [ 86.712675][ T4797] invoke_syscall+0x98/0x2bc [ 86.713400][ T4797] el0_svc_common+0x138/0x258 [ 86.714191][ T4797] do_el0_svc+0x58/0x13c [ 86.714869][ T4797] el0_svc+0x58/0x138 [ 86.715511][ T4797] el0t_64_sync_handler+0x84/0xf0 [ 86.716280][ T4797] el0t_64_sync+0x18c/0x190 [ 86.717699][ T4797] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.719835][ T4797] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.845419][ T4799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.846659][ T4799] CPU: 0 PID: 4799 Comm: syz.1.133 Tainted: G W syzkaller #0 [ 86.848048][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.849685][ T4799] Call trace: [ 86.850215][ T4799] dump_backtrace+0x1c8/0x1f4 [ 86.850930][ T4799] show_stack+0x2c/0x3c [ 86.851566][ T4799] __dump_stack+0x30/0x40 [ 86.852260][ T4799] dump_stack_lvl+0xf8/0x160 [ 86.852968][ T4799] dump_stack+0x1c/0x5c [ 86.853665][ T4799] sysfs_create_dir_ns+0x22c/0x24c [ 86.854557][ T4799] kobject_add_internal+0x5a8/0xb30 [ 86.855489][ T4799] kobject_init_and_add+0x118/0x17c [ 86.856377][ T4799] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.857091][ T4799] gfs2_fill_super+0xdec/0x19ec [ 86.857869][ T4799] get_tree_bdev+0x358/0x544 [ 86.858645][ T4799] gfs2_get_tree+0x54/0x1b4 [ 86.859345][ T4799] vfs_get_tree+0x90/0x274 [ 86.860086][ T4799] do_new_mount+0x228/0x810 [ 86.860807][ T4799] path_mount+0x5b4/0xe78 [ 86.861532][ T4799] __arm64_sys_mount+0x49c/0x584 [ 86.862343][ T4799] invoke_syscall+0x98/0x2bc [ 86.863063][ T4799] el0_svc_common+0x138/0x258 [ 86.863736][ T4799] do_el0_svc+0x58/0x13c [ 86.864389][ T4799] el0_svc+0x58/0x138 [ 86.864955][ T4799] el0t_64_sync_handler+0x84/0xf0 [ 86.865718][ T4799] el0t_64_sync+0x18c/0x190 [ 86.866586][ T4799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.868906][ T4799] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.994600][ T4801] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.995839][ T4801] CPU: 0 PID: 4801 Comm: syz.1.134 Tainted: G W syzkaller #0 [ 86.997070][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.998476][ T4801] Call trace: [ 86.998965][ T4801] dump_backtrace+0x1c8/0x1f4 [ 86.999740][ T4801] show_stack+0x2c/0x3c [ 87.000346][ T4801] __dump_stack+0x30/0x40 [ 87.001066][ T4801] dump_stack_lvl+0xf8/0x160 [ 87.001794][ T4801] dump_stack+0x1c/0x5c [ 87.002454][ T4801] sysfs_create_dir_ns+0x22c/0x24c [ 87.003273][ T4801] kobject_add_internal+0x5a8/0xb30 [ 87.004074][ T4801] kobject_init_and_add+0x118/0x17c [ 87.004909][ T4801] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.005653][ T4801] gfs2_fill_super+0xdec/0x19ec [ 87.006424][ T4801] get_tree_bdev+0x358/0x544 [ 87.007135][ T4801] gfs2_get_tree+0x54/0x1b4 [ 87.007791][ T4801] vfs_get_tree+0x90/0x274 [ 87.008507][ T4801] do_new_mount+0x228/0x810 [ 87.009144][ T4801] path_mount+0x5b4/0xe78 [ 87.009825][ T4801] __arm64_sys_mount+0x49c/0x584 [ 87.010553][ T4801] invoke_syscall+0x98/0x2bc [ 87.011238][ T4801] el0_svc_common+0x138/0x258 [ 87.011978][ T4801] do_el0_svc+0x58/0x13c [ 87.012593][ T4801] el0_svc+0x58/0x138 [ 87.013180][ T4801] el0t_64_sync_handler+0x84/0xf0 [ 87.013943][ T4801] el0t_64_sync+0x18c/0x190 [ 87.014722][ T4801] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.017114][ T4801] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.134397][ T4803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.135559][ T4803] CPU: 0 PID: 4803 Comm: syz.1.135 Tainted: G W syzkaller #0 [ 87.136945][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.138529][ T4803] Call trace: [ 87.139052][ T4803] dump_backtrace+0x1c8/0x1f4 [ 87.139809][ T4803] show_stack+0x2c/0x3c [ 87.140495][ T4803] __dump_stack+0x30/0x40 [ 87.141177][ T4803] dump_stack_lvl+0xf8/0x160 [ 87.141863][ T4803] dump_stack+0x1c/0x5c [ 87.142547][ T4803] sysfs_create_dir_ns+0x22c/0x24c [ 87.143354][ T4803] kobject_add_internal+0x5a8/0xb30 [ 87.144126][ T4803] kobject_init_and_add+0x118/0x17c [ 87.144946][ T4803] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.145670][ T4803] gfs2_fill_super+0xdec/0x19ec [ 87.146400][ T4803] get_tree_bdev+0x358/0x544 [ 87.147164][ T4803] gfs2_get_tree+0x54/0x1b4 [ 87.147787][ T4803] vfs_get_tree+0x90/0x274 [ 87.148501][ T4803] do_new_mount+0x228/0x810 [ 87.149182][ T4803] path_mount+0x5b4/0xe78 [ 87.149895][ T4803] __arm64_sys_mount+0x49c/0x584 [ 87.150688][ T4803] invoke_syscall+0x98/0x2bc [ 87.151398][ T4803] el0_svc_common+0x138/0x258 [ 87.152128][ T4803] do_el0_svc+0x58/0x13c [ 87.152844][ T4803] el0_svc+0x58/0x138 [ 87.153476][ T4803] el0t_64_sync_handler+0x84/0xf0 [ 87.154195][ T4803] el0t_64_sync+0x18c/0x190 [ 87.156458][ T4803] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.158442][ T4803] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.275887][ T4805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.276987][ T4805] CPU: 0 PID: 4805 Comm: syz.1.136 Tainted: G W syzkaller #0 [ 87.278276][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.279860][ T4805] Call trace: [ 87.280336][ T4805] dump_backtrace+0x1c8/0x1f4 [ 87.281120][ T4805] show_stack+0x2c/0x3c [ 87.281765][ T4805] __dump_stack+0x30/0x40 [ 87.282377][ T4805] dump_stack_lvl+0xf8/0x160 [ 87.283054][ T4805] dump_stack+0x1c/0x5c [ 87.283729][ T4805] sysfs_create_dir_ns+0x22c/0x24c [ 87.284526][ T4805] kobject_add_internal+0x5a8/0xb30 [ 87.285304][ T4805] kobject_init_and_add+0x118/0x17c [ 87.286144][ T4805] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.286827][ T4805] gfs2_fill_super+0xdec/0x19ec [ 87.287583][ T4805] get_tree_bdev+0x358/0x544 [ 87.288228][ T4805] gfs2_get_tree+0x54/0x1b4 [ 87.288993][ T4805] vfs_get_tree+0x90/0x274 [ 87.289751][ T4805] do_new_mount+0x228/0x810 [ 87.290518][ T4805] path_mount+0x5b4/0xe78 [ 87.291244][ T4805] __arm64_sys_mount+0x49c/0x584 [ 87.292022][ T4805] invoke_syscall+0x98/0x2bc [ 87.292724][ T4805] el0_svc_common+0x138/0x258 [ 87.293418][ T4805] do_el0_svc+0x58/0x13c [ 87.294143][ T4805] el0_svc+0x58/0x138 [ 87.294730][ T4805] el0t_64_sync_handler+0x84/0xf0 [ 87.295542][ T4805] el0t_64_sync+0x18c/0x190 [ 87.297565][ T4805] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.299779][ T4805] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.421717][ T4807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.422855][ T4807] CPU: 1 PID: 4807 Comm: syz.1.137 Tainted: G W syzkaller #0 [ 87.424243][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.425786][ T4807] Call trace: [ 87.426317][ T4807] dump_backtrace+0x1c8/0x1f4 [ 87.427034][ T4807] show_stack+0x2c/0x3c [ 87.427667][ T4807] __dump_stack+0x30/0x40 [ 87.428319][ T4807] dump_stack_lvl+0xf8/0x160 [ 87.428994][ T4807] dump_stack+0x1c/0x5c [ 87.429624][ T4807] sysfs_create_dir_ns+0x22c/0x24c [ 87.430380][ T4807] kobject_add_internal+0x5a8/0xb30 [ 87.431196][ T4807] kobject_init_and_add+0x118/0x17c [ 87.432005][ T4807] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.432727][ T4807] gfs2_fill_super+0xdec/0x19ec [ 87.433477][ T4807] get_tree_bdev+0x358/0x544 [ 87.434175][ T4807] gfs2_get_tree+0x54/0x1b4 [ 87.434850][ T4807] vfs_get_tree+0x90/0x274 [ 87.435528][ T4807] do_new_mount+0x228/0x810 [ 87.436186][ T4807] path_mount+0x5b4/0xe78 [ 87.436846][ T4807] __arm64_sys_mount+0x49c/0x584 [ 87.437620][ T4807] invoke_syscall+0x98/0x2bc [ 87.438368][ T4807] el0_svc_common+0x138/0x258 [ 87.439128][ T4807] do_el0_svc+0x58/0x13c [ 87.439748][ T4807] el0_svc+0x58/0x138 [ 87.440366][ T4807] el0t_64_sync_handler+0x84/0xf0 [ 87.441112][ T4807] el0t_64_sync+0x18c/0x190 [ 87.442009][ T4807] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.444034][ T4807] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.564023][ T4809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.565257][ T4809] CPU: 0 PID: 4809 Comm: syz.1.138 Tainted: G W syzkaller #0 [ 87.566606][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.568063][ T4809] Call trace: [ 87.568521][ T4809] dump_backtrace+0x1c8/0x1f4 [ 87.569078][ T4809] show_stack+0x2c/0x3c [ 87.569629][ T4809] __dump_stack+0x30/0x40 [ 87.570314][ T4809] dump_stack_lvl+0xf8/0x160 [ 87.571012][ T4809] dump_stack+0x1c/0x5c [ 87.571658][ T4809] sysfs_create_dir_ns+0x22c/0x24c [ 87.572466][ T4809] kobject_add_internal+0x5a8/0xb30 [ 87.573273][ T4809] kobject_init_and_add+0x118/0x17c [ 87.574061][ T4809] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.574792][ T4809] gfs2_fill_super+0xdec/0x19ec [ 87.575520][ T4809] get_tree_bdev+0x358/0x544 [ 87.576168][ T4809] gfs2_get_tree+0x54/0x1b4 [ 87.576868][ T4809] vfs_get_tree+0x90/0x274 [ 87.577592][ T4809] do_new_mount+0x228/0x810 [ 87.578266][ T4809] path_mount+0x5b4/0xe78 [ 87.578929][ T4809] __arm64_sys_mount+0x49c/0x584 [ 87.579705][ T4809] invoke_syscall+0x98/0x2bc [ 87.580437][ T4809] el0_svc_common+0x138/0x258 [ 87.581154][ T4809] do_el0_svc+0x58/0x13c [ 87.581893][ T4809] el0_svc+0x58/0x138 [ 87.582447][ T4809] el0t_64_sync_handler+0x84/0xf0 [ 87.583175][ T4809] el0t_64_sync+0x18c/0x190 [ 87.583958][ T4809] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.585959][ T4809] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.707768][ T4811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.709083][ T4811] CPU: 0 PID: 4811 Comm: syz.1.139 Tainted: G W syzkaller #0 [ 87.710488][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.712085][ T4811] Call trace: [ 87.712552][ T4811] dump_backtrace+0x1c8/0x1f4 [ 87.713281][ T4811] show_stack+0x2c/0x3c [ 87.713919][ T4811] __dump_stack+0x30/0x40 [ 87.714573][ T4811] dump_stack_lvl+0xf8/0x160 [ 87.715306][ T4811] dump_stack+0x1c/0x5c [ 87.715884][ T4811] sysfs_create_dir_ns+0x22c/0x24c [ 87.716684][ T4811] kobject_add_internal+0x5a8/0xb30 [ 87.717500][ T4811] kobject_init_and_add+0x118/0x17c [ 87.718225][ T4811] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.718916][ T4811] gfs2_fill_super+0xdec/0x19ec [ 87.719657][ T4811] get_tree_bdev+0x358/0x544 [ 87.720381][ T4811] gfs2_get_tree+0x54/0x1b4 [ 87.721054][ T4811] vfs_get_tree+0x90/0x274 [ 87.721775][ T4811] do_new_mount+0x228/0x810 [ 87.722476][ T4811] path_mount+0x5b4/0xe78 [ 87.723103][ T4811] __arm64_sys_mount+0x49c/0x584 [ 87.723894][ T4811] invoke_syscall+0x98/0x2bc [ 87.724598][ T4811] el0_svc_common+0x138/0x258 [ 87.725298][ T4811] do_el0_svc+0x58/0x13c [ 87.725982][ T4811] el0_svc+0x58/0x138 [ 87.726589][ T4811] el0t_64_sync_handler+0x84/0xf0 [ 87.727329][ T4811] el0t_64_sync+0x18c/0x190 [ 87.729145][ T4811] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.731179][ T4811] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.857289][ T4813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.858550][ T4813] CPU: 0 PID: 4813 Comm: syz.1.140 Tainted: G W syzkaller #0 [ 87.859963][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.861642][ T4813] Call trace: [ 87.862189][ T4813] dump_backtrace+0x1c8/0x1f4 [ 87.862955][ T4813] show_stack+0x2c/0x3c [ 87.863653][ T4813] __dump_stack+0x30/0x40 [ 87.864321][ T4813] dump_stack_lvl+0xf8/0x160 [ 87.865055][ T4813] dump_stack+0x1c/0x5c [ 87.865741][ T4813] sysfs_create_dir_ns+0x22c/0x24c [ 87.866582][ T4813] kobject_add_internal+0x5a8/0xb30 [ 87.867424][ T4813] kobject_init_and_add+0x118/0x17c [ 87.868313][ T4813] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.869026][ T4813] gfs2_fill_super+0xdec/0x19ec [ 87.869768][ T4813] get_tree_bdev+0x358/0x544 [ 87.870489][ T4813] gfs2_get_tree+0x54/0x1b4 [ 87.871148][ T4813] vfs_get_tree+0x90/0x274 [ 87.871818][ T4813] do_new_mount+0x228/0x810 [ 87.872496][ T4813] path_mount+0x5b4/0xe78 [ 87.873170][ T4813] __arm64_sys_mount+0x49c/0x584 [ 87.873912][ T4813] invoke_syscall+0x98/0x2bc [ 87.874634][ T4813] el0_svc_common+0x138/0x258 [ 87.875315][ T4813] do_el0_svc+0x58/0x13c [ 87.875981][ T4813] el0_svc+0x58/0x138 [ 87.876581][ T4813] el0t_64_sync_handler+0x84/0xf0 [ 87.877367][ T4813] el0t_64_sync+0x18c/0x190 [ 87.879624][ T4813] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.881796][ T4813] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.004865][ T4815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.006149][ T4815] CPU: 1 PID: 4815 Comm: syz.1.141 Tainted: G W syzkaller #0 [ 88.007545][ T4815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.009177][ T4815] Call trace: [ 88.009735][ T4815] dump_backtrace+0x1c8/0x1f4 [ 88.010562][ T4815] show_stack+0x2c/0x3c [ 88.011260][ T4815] __dump_stack+0x30/0x40 [ 88.011931][ T4815] dump_stack_lvl+0xf8/0x160 [ 88.012666][ T4815] dump_stack+0x1c/0x5c [ 88.013317][ T4815] sysfs_create_dir_ns+0x22c/0x24c [ 88.014147][ T4815] kobject_add_internal+0x5a8/0xb30 [ 88.014924][ T4815] kobject_init_and_add+0x118/0x17c [ 88.015726][ T4815] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.016556][ T4815] gfs2_fill_super+0xdec/0x19ec [ 88.017332][ T4815] get_tree_bdev+0x358/0x544 [ 88.018072][ T4815] gfs2_get_tree+0x54/0x1b4 [ 88.018766][ T4815] vfs_get_tree+0x90/0x274 [ 88.019507][ T4815] do_new_mount+0x228/0x810 [ 88.020188][ T4815] path_mount+0x5b4/0xe78 [ 88.020825][ T4815] __arm64_sys_mount+0x49c/0x584 [ 88.021603][ T4815] invoke_syscall+0x98/0x2bc [ 88.022302][ T4815] el0_svc_common+0x138/0x258 [ 88.023038][ T4815] do_el0_svc+0x58/0x13c [ 88.023713][ T4815] el0_svc+0x58/0x138 [ 88.024320][ T4815] el0t_64_sync_handler+0x84/0xf0 [ 88.025041][ T4815] el0t_64_sync+0x18c/0x190 [ 88.025894][ T4815] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.027937][ T4815] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.147558][ T4817] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.149199][ T4817] CPU: 1 PID: 4817 Comm: syz.1.142 Tainted: G W syzkaller #0 [ 88.150476][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.151991][ T4817] Call trace: [ 88.152518][ T4817] dump_backtrace+0x1c8/0x1f4 [ 88.153266][ T4817] show_stack+0x2c/0x3c [ 88.153922][ T4817] __dump_stack+0x30/0x40 [ 88.154632][ T4817] dump_stack_lvl+0xf8/0x160 [ 88.155340][ T4817] dump_stack+0x1c/0x5c [ 88.155936][ T4817] sysfs_create_dir_ns+0x22c/0x24c [ 88.156693][ T4817] kobject_add_internal+0x5a8/0xb30 [ 88.157452][ T4817] kobject_init_and_add+0x118/0x17c [ 88.158189][ T4817] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.158899][ T4817] gfs2_fill_super+0xdec/0x19ec [ 88.159611][ T4817] get_tree_bdev+0x358/0x544 [ 88.160317][ T4817] gfs2_get_tree+0x54/0x1b4 [ 88.160979][ T4817] vfs_get_tree+0x90/0x274 [ 88.161742][ T4817] do_new_mount+0x228/0x810 [ 88.162418][ T4817] path_mount+0x5b4/0xe78 [ 88.163113][ T4817] __arm64_sys_mount+0x49c/0x584 [ 88.163978][ T4817] invoke_syscall+0x98/0x2bc [ 88.164775][ T4817] el0_svc_common+0x138/0x258 [ 88.165590][ T4817] do_el0_svc+0x58/0x13c [ 88.166274][ T4817] el0_svc+0x58/0x138 [ 88.166943][ T4817] el0t_64_sync_handler+0x84/0xf0 [ 88.167753][ T4817] el0t_64_sync+0x18c/0x190 [ 88.169226][ T4817] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.171481][ T4817] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.304216][ T4819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.305447][ T4819] CPU: 0 PID: 4819 Comm: syz.1.143 Tainted: G W syzkaller #0 [ 88.306826][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.308306][ T4819] Call trace: [ 88.308787][ T4819] dump_backtrace+0x1c8/0x1f4 [ 88.309516][ T4819] show_stack+0x2c/0x3c [ 88.310150][ T4819] __dump_stack+0x30/0x40 [ 88.310857][ T4819] dump_stack_lvl+0xf8/0x160 [ 88.311588][ T4819] dump_stack+0x1c/0x5c [ 88.312190][ T4819] sysfs_create_dir_ns+0x22c/0x24c [ 88.312947][ T4819] kobject_add_internal+0x5a8/0xb30 [ 88.313722][ T4819] kobject_init_and_add+0x118/0x17c [ 88.314569][ T4819] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.315284][ T4819] gfs2_fill_super+0xdec/0x19ec [ 88.316024][ T4819] get_tree_bdev+0x358/0x544 [ 88.316704][ T4819] gfs2_get_tree+0x54/0x1b4 [ 88.317390][ T4819] vfs_get_tree+0x90/0x274 [ 88.318074][ T4819] do_new_mount+0x228/0x810 [ 88.318751][ T4819] path_mount+0x5b4/0xe78 [ 88.319420][ T4819] __arm64_sys_mount+0x49c/0x584 [ 88.320176][ T4819] invoke_syscall+0x98/0x2bc [ 88.320867][ T4819] el0_svc_common+0x138/0x258 [ 88.321553][ T4819] do_el0_svc+0x58/0x13c [ 88.322191][ T4819] el0_svc+0x58/0x138 [ 88.322698][ T4819] el0t_64_sync_handler+0x84/0xf0 [ 88.323497][ T4819] el0t_64_sync+0x18c/0x190 [ 88.326702][ T4819] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.328941][ T4819] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.452743][ T4821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.453922][ T4821] CPU: 1 PID: 4821 Comm: syz.1.144 Tainted: G W syzkaller #0 [ 88.455253][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.456784][ T4821] Call trace: [ 88.457302][ T4821] dump_backtrace+0x1c8/0x1f4 [ 88.458010][ T4821] show_stack+0x2c/0x3c [ 88.458674][ T4821] __dump_stack+0x30/0x40 [ 88.459324][ T4821] dump_stack_lvl+0xf8/0x160 [ 88.460031][ T4821] dump_stack+0x1c/0x5c [ 88.460666][ T4821] sysfs_create_dir_ns+0x22c/0x24c [ 88.461481][ T4821] kobject_add_internal+0x5a8/0xb30 [ 88.462290][ T4821] kobject_init_and_add+0x118/0x17c [ 88.463102][ T4821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.463872][ T4821] gfs2_fill_super+0xdec/0x19ec [ 88.464636][ T4821] get_tree_bdev+0x358/0x544 [ 88.465347][ T4821] gfs2_get_tree+0x54/0x1b4 [ 88.466033][ T4821] vfs_get_tree+0x90/0x274 [ 88.466758][ T4821] do_new_mount+0x228/0x810 [ 88.467466][ T4821] path_mount+0x5b4/0xe78 [ 88.468055][ T4821] __arm64_sys_mount+0x49c/0x584 [ 88.468807][ T4821] invoke_syscall+0x98/0x2bc [ 88.469534][ T4821] el0_svc_common+0x138/0x258 [ 88.470233][ T4821] do_el0_svc+0x58/0x13c [ 88.470877][ T4821] el0_svc+0x58/0x138 [ 88.471505][ T4821] el0t_64_sync_handler+0x84/0xf0 [ 88.472248][ T4821] el0t_64_sync+0x18c/0x190 [ 88.473155][ T4821] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.475185][ T4821] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.597972][ T4823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.599177][ T4823] CPU: 0 PID: 4823 Comm: syz.1.145 Tainted: G W syzkaller #0 [ 88.600614][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.602191][ T4823] Call trace: [ 88.602654][ T4823] dump_backtrace+0x1c8/0x1f4 [ 88.603361][ T4823] show_stack+0x2c/0x3c [ 88.603985][ T4823] __dump_stack+0x30/0x40 [ 88.604625][ T4823] dump_stack_lvl+0xf8/0x160 [ 88.605313][ T4823] dump_stack+0x1c/0x5c [ 88.605953][ T4823] sysfs_create_dir_ns+0x22c/0x24c [ 88.606751][ T4823] kobject_add_internal+0x5a8/0xb30 [ 88.607579][ T4823] kobject_init_and_add+0x118/0x17c [ 88.608382][ T4823] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.609145][ T4823] gfs2_fill_super+0xdec/0x19ec [ 88.609859][ T4823] get_tree_bdev+0x358/0x544 [ 88.610613][ T4823] gfs2_get_tree+0x54/0x1b4 [ 88.611319][ T4823] vfs_get_tree+0x90/0x274 [ 88.612032][ T4823] do_new_mount+0x228/0x810 [ 88.612715][ T4823] path_mount+0x5b4/0xe78 [ 88.613367][ T4823] __arm64_sys_mount+0x49c/0x584 [ 88.614064][ T4823] invoke_syscall+0x98/0x2bc [ 88.614747][ T4823] el0_svc_common+0x138/0x258 [ 88.615469][ T4823] do_el0_svc+0x58/0x13c [ 88.616158][ T4823] el0_svc+0x58/0x138 [ 88.616759][ T4823] el0t_64_sync_handler+0x84/0xf0 [ 88.617509][ T4823] el0t_64_sync+0x18c/0x190 [ 88.619393][ T4823] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.621572][ T4823] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.743563][ T4825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.744786][ T4825] CPU: 1 PID: 4825 Comm: syz.1.146 Tainted: G W syzkaller #0 [ 88.746190][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.747707][ T4825] Call trace: [ 88.748255][ T4825] dump_backtrace+0x1c8/0x1f4 [ 88.748998][ T4825] show_stack+0x2c/0x3c [ 88.749686][ T4825] __dump_stack+0x30/0x40 [ 88.750385][ T4825] dump_stack_lvl+0xf8/0x160 [ 88.751095][ T4825] dump_stack+0x1c/0x5c [ 88.751713][ T4825] sysfs_create_dir_ns+0x22c/0x24c [ 88.752490][ T4825] kobject_add_internal+0x5a8/0xb30 [ 88.753304][ T4825] kobject_init_and_add+0x118/0x17c [ 88.754128][ T4825] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.754851][ T4825] gfs2_fill_super+0xdec/0x19ec [ 88.755591][ T4825] get_tree_bdev+0x358/0x544 [ 88.756388][ T4825] gfs2_get_tree+0x54/0x1b4 [ 88.757104][ T4825] vfs_get_tree+0x90/0x274 [ 88.757783][ T4825] do_new_mount+0x228/0x810 [ 88.758516][ T4825] path_mount+0x5b4/0xe78 [ 88.759160][ T4825] __arm64_sys_mount+0x49c/0x584 [ 88.759865][ T4825] invoke_syscall+0x98/0x2bc [ 88.760542][ T4825] el0_svc_common+0x138/0x258 [ 88.761260][ T4825] do_el0_svc+0x58/0x13c [ 88.761919][ T4825] el0_svc+0x58/0x138 [ 88.762546][ T4825] el0t_64_sync_handler+0x84/0xf0 [ 88.763327][ T4825] el0t_64_sync+0x18c/0x190 [ 88.764150][ T4825] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.766195][ T4825] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.884241][ T4827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.885502][ T4827] CPU: 1 PID: 4827 Comm: syz.1.147 Tainted: G W syzkaller #0 [ 88.886872][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.888272][ T4827] Call trace: [ 88.888768][ T4827] dump_backtrace+0x1c8/0x1f4 [ 88.889484][ T4827] show_stack+0x2c/0x3c [ 88.890143][ T4827] __dump_stack+0x30/0x40 [ 88.890798][ T4827] dump_stack_lvl+0xf8/0x160 [ 88.891580][ T4827] dump_stack+0x1c/0x5c [ 88.892169][ T4827] sysfs_create_dir_ns+0x22c/0x24c [ 88.892903][ T4827] kobject_add_internal+0x5a8/0xb30 [ 88.893677][ T4827] kobject_init_and_add+0x118/0x17c [ 88.894390][ T4827] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.895088][ T4827] gfs2_fill_super+0xdec/0x19ec [ 88.895870][ T4827] get_tree_bdev+0x358/0x544 [ 88.896534][ T4827] gfs2_get_tree+0x54/0x1b4 [ 88.897209][ T4827] vfs_get_tree+0x90/0x274 [ 88.897828][ T4827] do_new_mount+0x228/0x810 [ 88.898472][ T4827] path_mount+0x5b4/0xe78 [ 88.899057][ T4827] __arm64_sys_mount+0x49c/0x584 [ 88.899795][ T4827] invoke_syscall+0x98/0x2bc [ 88.900459][ T4827] el0_svc_common+0x138/0x258 [ 88.901122][ T4827] do_el0_svc+0x58/0x13c [ 88.901754][ T4827] el0_svc+0x58/0x138 [ 88.902407][ T4827] el0t_64_sync_handler+0x84/0xf0 [ 88.903154][ T4827] el0t_64_sync+0x18c/0x190 [ 88.905139][ T4827] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.907367][ T4827] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.030616][ T4829] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.031898][ T4829] CPU: 1 PID: 4829 Comm: syz.1.148 Tainted: G W syzkaller #0 [ 89.033366][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.035042][ T4829] Call trace: [ 89.035596][ T4829] dump_backtrace+0x1c8/0x1f4 [ 89.036393][ T4829] show_stack+0x2c/0x3c [ 89.037023][ T4829] __dump_stack+0x30/0x40 [ 89.037737][ T4829] dump_stack_lvl+0xf8/0x160 [ 89.038474][ T4829] dump_stack+0x1c/0x5c [ 89.039193][ T4829] sysfs_create_dir_ns+0x22c/0x24c [ 89.040016][ T4829] kobject_add_internal+0x5a8/0xb30 [ 89.040890][ T4829] kobject_init_and_add+0x118/0x17c [ 89.041683][ T4829] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.042386][ T4829] gfs2_fill_super+0xdec/0x19ec [ 89.043157][ T4829] get_tree_bdev+0x358/0x544 [ 89.043888][ T4829] gfs2_get_tree+0x54/0x1b4 [ 89.044624][ T4829] vfs_get_tree+0x90/0x274 [ 89.045275][ T4829] do_new_mount+0x228/0x810 [ 89.045988][ T4829] path_mount+0x5b4/0xe78 [ 89.046661][ T4829] __arm64_sys_mount+0x49c/0x584 [ 89.047422][ T4829] invoke_syscall+0x98/0x2bc [ 89.048124][ T4829] el0_svc_common+0x138/0x258 [ 89.048885][ T4829] do_el0_svc+0x58/0x13c [ 89.049496][ T4829] el0_svc+0x58/0x138 [ 89.050070][ T4829] el0t_64_sync_handler+0x84/0xf0 [ 89.050796][ T4829] el0t_64_sync+0x18c/0x190 [ 89.052731][ T4829] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.054787][ T4829] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.178075][ T4831] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.179304][ T4831] CPU: 0 PID: 4831 Comm: syz.1.149 Tainted: G W syzkaller #0 [ 89.180605][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.182176][ T4831] Call trace: [ 89.182688][ T4831] dump_backtrace+0x1c8/0x1f4 [ 89.183463][ T4831] show_stack+0x2c/0x3c [ 89.184099][ T4831] __dump_stack+0x30/0x40 [ 89.184805][ T4831] dump_stack_lvl+0xf8/0x160 [ 89.185564][ T4831] dump_stack+0x1c/0x5c [ 89.186238][ T4831] sysfs_create_dir_ns+0x22c/0x24c [ 89.187075][ T4831] kobject_add_internal+0x5a8/0xb30 [ 89.187877][ T4831] kobject_init_and_add+0x118/0x17c [ 89.188749][ T4831] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.189534][ T4831] gfs2_fill_super+0xdec/0x19ec [ 89.190318][ T4831] get_tree_bdev+0x358/0x544 [ 89.191087][ T4831] gfs2_get_tree+0x54/0x1b4 [ 89.191828][ T4831] vfs_get_tree+0x90/0x274 [ 89.192496][ T4831] do_new_mount+0x228/0x810 [ 89.193150][ T4831] path_mount+0x5b4/0xe78 [ 89.193823][ T4831] __arm64_sys_mount+0x49c/0x584 [ 89.194601][ T4831] invoke_syscall+0x98/0x2bc [ 89.195284][ T4831] el0_svc_common+0x138/0x258 [ 89.196035][ T4831] do_el0_svc+0x58/0x13c [ 89.196665][ T4831] el0_svc+0x58/0x138 [ 89.197321][ T4831] el0t_64_sync_handler+0x84/0xf0 [ 89.198097][ T4831] el0t_64_sync+0x18c/0x190 [ 89.198979][ T4831] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.201581][ T4831] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.323351][ T4833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.324579][ T4833] CPU: 1 PID: 4833 Comm: syz.1.150 Tainted: G W syzkaller #0 [ 89.325961][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.327523][ T4833] Call trace: [ 89.328090][ T4833] dump_backtrace+0x1c8/0x1f4 [ 89.328793][ T4833] show_stack+0x2c/0x3c [ 89.329480][ T4833] __dump_stack+0x30/0x40 [ 89.330273][ T4833] dump_stack_lvl+0xf8/0x160 [ 89.330964][ T4833] dump_stack+0x1c/0x5c [ 89.331612][ T4833] sysfs_create_dir_ns+0x22c/0x24c [ 89.332449][ T4833] kobject_add_internal+0x5a8/0xb30 [ 89.333198][ T4833] kobject_init_and_add+0x118/0x17c [ 89.333993][ T4833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.334789][ T4833] gfs2_fill_super+0xdec/0x19ec [ 89.335499][ T4833] get_tree_bdev+0x358/0x544 [ 89.336207][ T4833] gfs2_get_tree+0x54/0x1b4 [ 89.336933][ T4833] vfs_get_tree+0x90/0x274 [ 89.337573][ T4833] do_new_mount+0x228/0x810 [ 89.338259][ T4833] path_mount+0x5b4/0xe78 [ 89.338897][ T4833] __arm64_sys_mount+0x49c/0x584 [ 89.339674][ T4833] invoke_syscall+0x98/0x2bc [ 89.340388][ T4833] el0_svc_common+0x138/0x258 [ 89.341117][ T4833] do_el0_svc+0x58/0x13c [ 89.341773][ T4833] el0_svc+0x58/0x138 [ 89.342376][ T4833] el0t_64_sync_handler+0x84/0xf0 [ 89.343110][ T4833] el0t_64_sync+0x18c/0x190 [ 89.343894][ T4833] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.345918][ T4833] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.465426][ T4835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.466587][ T4835] CPU: 0 PID: 4835 Comm: syz.1.151 Tainted: G W syzkaller #0 [ 89.467840][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.469379][ T4835] Call trace: [ 89.469947][ T4835] dump_backtrace+0x1c8/0x1f4 [ 89.470684][ T4835] show_stack+0x2c/0x3c [ 89.471313][ T4835] __dump_stack+0x30/0x40 [ 89.472060][ T4835] dump_stack_lvl+0xf8/0x160 [ 89.472790][ T4835] dump_stack+0x1c/0x5c [ 89.473440][ T4835] sysfs_create_dir_ns+0x22c/0x24c [ 89.474211][ T4835] kobject_add_internal+0x5a8/0xb30 [ 89.475022][ T4835] kobject_init_and_add+0x118/0x17c [ 89.475832][ T4835] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.476561][ T4835] gfs2_fill_super+0xdec/0x19ec [ 89.477387][ T4835] get_tree_bdev+0x358/0x544 [ 89.478055][ T4835] gfs2_get_tree+0x54/0x1b4 [ 89.478782][ T4835] vfs_get_tree+0x90/0x274 [ 89.479412][ T4835] do_new_mount+0x228/0x810 [ 89.480078][ T4835] path_mount+0x5b4/0xe78 [ 89.480737][ T4835] __arm64_sys_mount+0x49c/0x584 [ 89.481501][ T4835] invoke_syscall+0x98/0x2bc [ 89.482174][ T4835] el0_svc_common+0x138/0x258 [ 89.482844][ T4835] do_el0_svc+0x58/0x13c [ 89.483524][ T4835] el0_svc+0x58/0x138 [ 89.484124][ T4835] el0t_64_sync_handler+0x84/0xf0 [ 89.484861][ T4835] el0t_64_sync+0x18c/0x190 [ 89.486765][ T4835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.488800][ T4835] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.608793][ T4837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.610546][ T4837] CPU: 0 PID: 4837 Comm: syz.1.152 Tainted: G W syzkaller #0 [ 89.611913][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.613620][ T4837] Call trace: [ 89.614170][ T4837] dump_backtrace+0x1c8/0x1f4 [ 89.614903][ T4837] show_stack+0x2c/0x3c [ 89.615564][ T4837] __dump_stack+0x30/0x40 [ 89.616274][ T4837] dump_stack_lvl+0xf8/0x160 [ 89.616977][ T4837] dump_stack+0x1c/0x5c [ 89.617625][ T4837] sysfs_create_dir_ns+0x22c/0x24c [ 89.618509][ T4837] kobject_add_internal+0x5a8/0xb30 [ 89.619368][ T4837] kobject_init_and_add+0x118/0x17c [ 89.620187][ T4837] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.620953][ T4837] gfs2_fill_super+0xdec/0x19ec [ 89.621656][ T4837] get_tree_bdev+0x358/0x544 [ 89.622341][ T4837] gfs2_get_tree+0x54/0x1b4 [ 89.623019][ T4837] vfs_get_tree+0x90/0x274 [ 89.623699][ T4837] do_new_mount+0x228/0x810 [ 89.624384][ T4837] path_mount+0x5b4/0xe78 [ 89.625037][ T4837] __arm64_sys_mount+0x49c/0x584 [ 89.625745][ T4837] invoke_syscall+0x98/0x2bc [ 89.626406][ T4837] el0_svc_common+0x138/0x258 [ 89.627098][ T4837] do_el0_svc+0x58/0x13c [ 89.627764][ T4837] el0_svc+0x58/0x138 [ 89.628397][ T4837] el0t_64_sync_handler+0x84/0xf0 [ 89.629219][ T4837] el0t_64_sync+0x18c/0x190 [ 89.631109][ T4837] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.633172][ T4837] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:29 executed programs: 138 [ 89.756599][ T4839] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.757786][ T4839] CPU: 1 PID: 4839 Comm: syz.1.153 Tainted: G W syzkaller #0 [ 89.759177][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.760726][ T4839] Call trace: [ 89.761245][ T4839] dump_backtrace+0x1c8/0x1f4 [ 89.762077][ T4839] show_stack+0x2c/0x3c [ 89.762742][ T4839] __dump_stack+0x30/0x40 [ 89.763404][ T4839] dump_stack_lvl+0xf8/0x160 [ 89.764101][ T4839] dump_stack+0x1c/0x5c [ 89.764688][ T4839] sysfs_create_dir_ns+0x22c/0x24c [ 89.765479][ T4839] kobject_add_internal+0x5a8/0xb30 [ 89.766206][ T4839] kobject_init_and_add+0x118/0x17c [ 89.767060][ T4839] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.767782][ T4839] gfs2_fill_super+0xdec/0x19ec [ 89.768519][ T4839] get_tree_bdev+0x358/0x544 [ 89.769216][ T4839] gfs2_get_tree+0x54/0x1b4 [ 89.769884][ T4839] vfs_get_tree+0x90/0x274 [ 89.770569][ T4839] do_new_mount+0x228/0x810 [ 89.771224][ T4839] path_mount+0x5b4/0xe78 [ 89.771910][ T4839] __arm64_sys_mount+0x49c/0x584 [ 89.772695][ T4839] invoke_syscall+0x98/0x2bc [ 89.773393][ T4839] el0_svc_common+0x138/0x258 [ 89.774146][ T4839] do_el0_svc+0x58/0x13c [ 89.774802][ T4839] el0_svc+0x58/0x138 [ 89.775442][ T4839] el0t_64_sync_handler+0x84/0xf0 [ 89.776240][ T4839] el0t_64_sync+0x18c/0x190 [ 89.777081][ T4839] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.779301][ T4839] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.896344][ T4841] set_capacity_and_notify: 24 callbacks suppressed [ 89.896353][ T4841] loop1: detected capacity change from 0 to 32768 [ 89.903401][ T4841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.904531][ T4841] CPU: 0 PID: 4841 Comm: syz.1.154 Tainted: G W syzkaller #0 [ 89.905812][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.907330][ T4841] Call trace: [ 89.907837][ T4841] dump_backtrace+0x1c8/0x1f4 [ 89.908539][ T4841] show_stack+0x2c/0x3c [ 89.909190][ T4841] __dump_stack+0x30/0x40 [ 89.909930][ T4841] dump_stack_lvl+0xf8/0x160 [ 89.910692][ T4841] dump_stack+0x1c/0x5c [ 89.911348][ T4841] sysfs_create_dir_ns+0x22c/0x24c [ 89.912114][ T4841] kobject_add_internal+0x5a8/0xb30 [ 89.912865][ T4841] kobject_init_and_add+0x118/0x17c [ 89.913664][ T4841] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.914321][ T4841] gfs2_fill_super+0xdec/0x19ec [ 89.915068][ T4841] get_tree_bdev+0x358/0x544 [ 89.915769][ T4841] gfs2_get_tree+0x54/0x1b4 [ 89.916535][ T4841] vfs_get_tree+0x90/0x274 [ 89.917195][ T4841] do_new_mount+0x228/0x810 [ 89.917907][ T4841] path_mount+0x5b4/0xe78 [ 89.918621][ T4841] __arm64_sys_mount+0x49c/0x584 [ 89.919385][ T4841] invoke_syscall+0x98/0x2bc [ 89.920056][ T4841] el0_svc_common+0x138/0x258 [ 89.920820][ T4841] do_el0_svc+0x58/0x13c [ 89.921454][ T4841] el0_svc+0x58/0x138 [ 89.922007][ T4841] el0t_64_sync_handler+0x84/0xf0 [ 89.922774][ T4841] el0t_64_sync+0x18c/0x190 [ 89.924998][ T4841] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.926958][ T4841] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.059894][ T4843] loop1: detected capacity change from 0 to 32768 [ 90.065900][ T4843] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.067093][ T4843] CPU: 0 PID: 4843 Comm: syz.1.155 Tainted: G W syzkaller #0 [ 90.068450][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.070128][ T4843] Call trace: [ 90.070674][ T4843] dump_backtrace+0x1c8/0x1f4 [ 90.071333][ T4843] show_stack+0x2c/0x3c [ 90.071952][ T4843] __dump_stack+0x30/0x40 [ 90.072631][ T4843] dump_stack_lvl+0xf8/0x160 [ 90.073391][ T4843] dump_stack+0x1c/0x5c [ 90.074034][ T4843] sysfs_create_dir_ns+0x22c/0x24c [ 90.074842][ T4843] kobject_add_internal+0x5a8/0xb30 [ 90.075712][ T4843] kobject_init_and_add+0x118/0x17c [ 90.076542][ T4843] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.077281][ T4843] gfs2_fill_super+0xdec/0x19ec [ 90.078047][ T4843] get_tree_bdev+0x358/0x544 [ 90.078786][ T4843] gfs2_get_tree+0x54/0x1b4 [ 90.079519][ T4843] vfs_get_tree+0x90/0x274 [ 90.080178][ T4843] do_new_mount+0x228/0x810 [ 90.080890][ T4843] path_mount+0x5b4/0xe78 [ 90.081493][ T4843] __arm64_sys_mount+0x49c/0x584 [ 90.082258][ T4843] invoke_syscall+0x98/0x2bc [ 90.082958][ T4843] el0_svc_common+0x138/0x258 [ 90.083726][ T4843] do_el0_svc+0x58/0x13c [ 90.084450][ T4843] el0_svc+0x58/0x138 [ 90.085142][ T4843] el0t_64_sync_handler+0x84/0xf0 [ 90.086012][ T4843] el0t_64_sync+0x18c/0x190 [ 90.089893][ T4843] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.092403][ T4843] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.212641][ T4845] loop1: detected capacity change from 0 to 32768 [ 90.217190][ T4845] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.218410][ T4845] CPU: 1 PID: 4845 Comm: syz.1.156 Tainted: G W syzkaller #0 [ 90.219855][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.221452][ T4845] Call trace: [ 90.221975][ T4845] dump_backtrace+0x1c8/0x1f4 [ 90.222709][ T4845] show_stack+0x2c/0x3c [ 90.223350][ T4845] __dump_stack+0x30/0x40 [ 90.224073][ T4845] dump_stack_lvl+0xf8/0x160 [ 90.224779][ T4845] dump_stack+0x1c/0x5c [ 90.225393][ T4845] sysfs_create_dir_ns+0x22c/0x24c [ 90.226174][ T4845] kobject_add_internal+0x5a8/0xb30 [ 90.226964][ T4845] kobject_init_and_add+0x118/0x17c [ 90.227751][ T4845] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.228472][ T4845] gfs2_fill_super+0xdec/0x19ec [ 90.229229][ T4845] get_tree_bdev+0x358/0x544 [ 90.229931][ T4845] gfs2_get_tree+0x54/0x1b4 [ 90.230643][ T4845] vfs_get_tree+0x90/0x274 [ 90.231344][ T4845] do_new_mount+0x228/0x810 [ 90.232053][ T4845] path_mount+0x5b4/0xe78 [ 90.232728][ T4845] __arm64_sys_mount+0x49c/0x584 [ 90.233485][ T4845] invoke_syscall+0x98/0x2bc [ 90.234170][ T4845] el0_svc_common+0x138/0x258 [ 90.234831][ T4845] do_el0_svc+0x58/0x13c [ 90.235433][ T4845] el0_svc+0x58/0x138 [ 90.236044][ T4845] el0t_64_sync_handler+0x84/0xf0 [ 90.236817][ T4845] el0t_64_sync+0x18c/0x190 [ 90.237636][ T4845] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.239707][ T4845] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.358806][ T4847] loop1: detected capacity change from 0 to 32768 [ 90.365554][ T4847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.366747][ T4847] CPU: 1 PID: 4847 Comm: syz.1.157 Tainted: G W syzkaller #0 [ 90.368093][ T4847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.369737][ T4847] Call trace: [ 90.370296][ T4847] dump_backtrace+0x1c8/0x1f4 [ 90.371005][ T4847] show_stack+0x2c/0x3c [ 90.371604][ T4847] __dump_stack+0x30/0x40 [ 90.372311][ T4847] dump_stack_lvl+0xf8/0x160 [ 90.373054][ T4847] dump_stack+0x1c/0x5c [ 90.373685][ T4847] sysfs_create_dir_ns+0x22c/0x24c [ 90.374435][ T4847] kobject_add_internal+0x5a8/0xb30 [ 90.375346][ T4847] kobject_init_and_add+0x118/0x17c [ 90.376240][ T4847] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.377025][ T4847] gfs2_fill_super+0xdec/0x19ec [ 90.377862][ T4847] get_tree_bdev+0x358/0x544 [ 90.378564][ T4847] gfs2_get_tree+0x54/0x1b4 [ 90.379265][ T4847] vfs_get_tree+0x90/0x274 [ 90.379945][ T4847] do_new_mount+0x228/0x810 [ 90.380676][ T4847] path_mount+0x5b4/0xe78 [ 90.381389][ T4847] __arm64_sys_mount+0x49c/0x584 [ 90.382078][ T4847] invoke_syscall+0x98/0x2bc [ 90.382831][ T4847] el0_svc_common+0x138/0x258 [ 90.383597][ T4847] do_el0_svc+0x58/0x13c [ 90.384270][ T4847] el0_svc+0x58/0x138 [ 90.384860][ T4847] el0t_64_sync_handler+0x84/0xf0 [ 90.385753][ T4847] el0t_64_sync+0x18c/0x190 [ 90.386663][ T4847] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.388734][ T4847] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.502886][ T4849] loop1: detected capacity change from 0 to 32768 [ 90.504575][ T4849] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.505763][ T4849] CPU: 0 PID: 4849 Comm: syz.1.158 Tainted: G W syzkaller #0 [ 90.507138][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.508779][ T4849] Call trace: [ 90.509329][ T4849] dump_backtrace+0x1c8/0x1f4 [ 90.510063][ T4849] show_stack+0x2c/0x3c [ 90.510713][ T4849] __dump_stack+0x30/0x40 [ 90.511377][ T4849] dump_stack_lvl+0xf8/0x160 [ 90.512096][ T4849] dump_stack+0x1c/0x5c [ 90.512732][ T4849] sysfs_create_dir_ns+0x22c/0x24c [ 90.513488][ T4849] kobject_add_internal+0x5a8/0xb30 [ 90.514267][ T4849] kobject_init_and_add+0x118/0x17c [ 90.515042][ T4849] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.515725][ T4849] gfs2_fill_super+0xdec/0x19ec [ 90.516446][ T4849] get_tree_bdev+0x358/0x544 [ 90.517129][ T4849] gfs2_get_tree+0x54/0x1b4 [ 90.517824][ T4849] vfs_get_tree+0x90/0x274 [ 90.518504][ T4849] do_new_mount+0x228/0x810 [ 90.519206][ T4849] path_mount+0x5b4/0xe78 [ 90.519888][ T4849] __arm64_sys_mount+0x49c/0x584 [ 90.520654][ T4849] invoke_syscall+0x98/0x2bc [ 90.521289][ T4849] el0_svc_common+0x138/0x258 [ 90.522022][ T4849] do_el0_svc+0x58/0x13c [ 90.522678][ T4849] el0_svc+0x58/0x138 [ 90.523264][ T4849] el0t_64_sync_handler+0x84/0xf0 [ 90.524081][ T4849] el0t_64_sync+0x18c/0x190 [ 90.526406][ T4849] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.528565][ T4849] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.644334][ T4851] loop1: detected capacity change from 0 to 32768 [ 90.647165][ T4851] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.648390][ T4851] CPU: 0 PID: 4851 Comm: syz.1.159 Tainted: G W syzkaller #0 [ 90.649791][ T4851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.651436][ T4851] Call trace: [ 90.651973][ T4851] dump_backtrace+0x1c8/0x1f4 [ 90.652789][ T4851] show_stack+0x2c/0x3c [ 90.653462][ T4851] __dump_stack+0x30/0x40 [ 90.654157][ T4851] dump_stack_lvl+0xf8/0x160 [ 90.654853][ T4851] dump_stack+0x1c/0x5c [ 90.655508][ T4851] sysfs_create_dir_ns+0x22c/0x24c [ 90.656360][ T4851] kobject_add_internal+0x5a8/0xb30 [ 90.657159][ T4851] kobject_init_and_add+0x118/0x17c [ 90.657977][ T4851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.658758][ T4851] gfs2_fill_super+0xdec/0x19ec [ 90.659448][ T4851] get_tree_bdev+0x358/0x544 [ 90.660160][ T4851] gfs2_get_tree+0x54/0x1b4 [ 90.660889][ T4851] vfs_get_tree+0x90/0x274 [ 90.661587][ T4851] do_new_mount+0x228/0x810 [ 90.662336][ T4851] path_mount+0x5b4/0xe78 [ 90.663042][ T4851] __arm64_sys_mount+0x49c/0x584 [ 90.663806][ T4851] invoke_syscall+0x98/0x2bc [ 90.664578][ T4851] el0_svc_common+0x138/0x258 [ 90.665331][ T4851] do_el0_svc+0x58/0x13c [ 90.665971][ T4851] el0_svc+0x58/0x138 [ 90.666583][ T4851] el0t_64_sync_handler+0x84/0xf0 [ 90.667355][ T4851] el0t_64_sync+0x18c/0x190 [ 90.669304][ T4851] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.671434][ T4851] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.790438][ T4853] loop1: detected capacity change from 0 to 32768 [ 90.794886][ T4853] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.797043][ T4853] CPU: 1 PID: 4853 Comm: syz.1.160 Tainted: G W syzkaller #0 [ 90.798458][ T4853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.799952][ T4853] Call trace: [ 90.800454][ T4853] dump_backtrace+0x1c8/0x1f4 [ 90.801195][ T4853] show_stack+0x2c/0x3c [ 90.801830][ T4853] __dump_stack+0x30/0x40 [ 90.802526][ T4853] dump_stack_lvl+0xf8/0x160 [ 90.803184][ T4853] dump_stack+0x1c/0x5c [ 90.803860][ T4853] sysfs_create_dir_ns+0x22c/0x24c [ 90.804653][ T4853] kobject_add_internal+0x5a8/0xb30 [ 90.805422][ T4853] kobject_init_and_add+0x118/0x17c [ 90.806182][ T4853] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.806966][ T4853] gfs2_fill_super+0xdec/0x19ec [ 90.807715][ T4853] get_tree_bdev+0x358/0x544 [ 90.808430][ T4853] gfs2_get_tree+0x54/0x1b4 [ 90.809174][ T4853] vfs_get_tree+0x90/0x274 [ 90.809863][ T4853] do_new_mount+0x228/0x810 [ 90.810543][ T4853] path_mount+0x5b4/0xe78 [ 90.811151][ T4853] __arm64_sys_mount+0x49c/0x584 [ 90.811884][ T4853] invoke_syscall+0x98/0x2bc [ 90.812603][ T4853] el0_svc_common+0x138/0x258 [ 90.813331][ T4853] do_el0_svc+0x58/0x13c [ 90.813944][ T4853] el0_svc+0x58/0x138 [ 90.814579][ T4853] el0t_64_sync_handler+0x84/0xf0 [ 90.815346][ T4853] el0t_64_sync+0x18c/0x190 [ 90.816736][ T4853] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.819406][ T4853] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.938395][ T4855] loop1: detected capacity change from 0 to 32768 [ 90.941768][ T4855] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.943061][ T4855] CPU: 0 PID: 4855 Comm: syz.1.161 Tainted: G W syzkaller #0 [ 90.944464][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.946079][ T4855] Call trace: [ 90.946599][ T4855] dump_backtrace+0x1c8/0x1f4 [ 90.947356][ T4855] show_stack+0x2c/0x3c [ 90.948037][ T4855] __dump_stack+0x30/0x40 [ 90.948741][ T4855] dump_stack_lvl+0xf8/0x160 [ 90.949473][ T4855] dump_stack+0x1c/0x5c [ 90.950164][ T4855] sysfs_create_dir_ns+0x22c/0x24c [ 90.951003][ T4855] kobject_add_internal+0x5a8/0xb30 [ 90.951819][ T4855] kobject_init_and_add+0x118/0x17c [ 90.952639][ T4855] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.953479][ T4855] gfs2_fill_super+0xdec/0x19ec [ 90.954301][ T4855] get_tree_bdev+0x358/0x544 [ 90.955070][ T4855] gfs2_get_tree+0x54/0x1b4 [ 90.955783][ T4855] vfs_get_tree+0x90/0x274 [ 90.956505][ T4855] do_new_mount+0x228/0x810 [ 90.957181][ T4855] path_mount+0x5b4/0xe78 [ 90.957854][ T4855] __arm64_sys_mount+0x49c/0x584 [ 90.958688][ T4855] invoke_syscall+0x98/0x2bc [ 90.959398][ T4855] el0_svc_common+0x138/0x258 [ 90.960042][ T4855] do_el0_svc+0x58/0x13c [ 90.960728][ T4855] el0_svc+0x58/0x138 [ 90.961373][ T4855] el0t_64_sync_handler+0x84/0xf0 [ 90.962154][ T4855] el0t_64_sync+0x18c/0x190 [ 90.962906][ T4855] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.965010][ T4855] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.079649][ T4857] loop1: detected capacity change from 0 to 32768 [ 91.081794][ T4857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.082941][ T4857] CPU: 1 PID: 4857 Comm: syz.1.162 Tainted: G W syzkaller #0 [ 91.084324][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.085829][ T4857] Call trace: [ 91.086308][ T4857] dump_backtrace+0x1c8/0x1f4 [ 91.086987][ T4857] show_stack+0x2c/0x3c [ 91.087620][ T4857] __dump_stack+0x30/0x40 [ 91.088240][ T4857] dump_stack_lvl+0xf8/0x160 [ 91.088916][ T4857] dump_stack+0x1c/0x5c [ 91.089540][ T4857] sysfs_create_dir_ns+0x22c/0x24c [ 91.090360][ T4857] kobject_add_internal+0x5a8/0xb30 [ 91.091154][ T4857] kobject_init_and_add+0x118/0x17c [ 91.092001][ T4857] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.092773][ T4857] gfs2_fill_super+0xdec/0x19ec [ 91.093549][ T4857] get_tree_bdev+0x358/0x544 [ 91.094270][ T4857] gfs2_get_tree+0x54/0x1b4 [ 91.094997][ T4857] vfs_get_tree+0x90/0x274 [ 91.095641][ T4857] do_new_mount+0x228/0x810 [ 91.096366][ T4857] path_mount+0x5b4/0xe78 [ 91.097017][ T4857] __arm64_sys_mount+0x49c/0x584 [ 91.097787][ T4857] invoke_syscall+0x98/0x2bc [ 91.098484][ T4857] el0_svc_common+0x138/0x258 [ 91.099224][ T4857] do_el0_svc+0x58/0x13c [ 91.099871][ T4857] el0_svc+0x58/0x138 [ 91.100480][ T4857] el0t_64_sync_handler+0x84/0xf0 [ 91.101263][ T4857] el0t_64_sync+0x18c/0x190 [ 91.102086][ T4857] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.104086][ T4857] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.220898][ T4859] loop1: detected capacity change from 0 to 32768 [ 91.225707][ T4859] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.226987][ T4859] CPU: 0 PID: 4859 Comm: syz.1.163 Tainted: G W syzkaller #0 [ 91.228246][ T4859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.229720][ T4859] Call trace: [ 91.230238][ T4859] dump_backtrace+0x1c8/0x1f4 [ 91.230980][ T4859] show_stack+0x2c/0x3c [ 91.231642][ T4859] __dump_stack+0x30/0x40 [ 91.232349][ T4859] dump_stack_lvl+0xf8/0x160 [ 91.233022][ T4859] dump_stack+0x1c/0x5c [ 91.233664][ T4859] sysfs_create_dir_ns+0x22c/0x24c [ 91.234476][ T4859] kobject_add_internal+0x5a8/0xb30 [ 91.235302][ T4859] kobject_init_and_add+0x118/0x17c [ 91.236086][ T4859] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.236849][ T4859] gfs2_fill_super+0xdec/0x19ec [ 91.237618][ T4859] get_tree_bdev+0x358/0x544 [ 91.238349][ T4859] gfs2_get_tree+0x54/0x1b4 [ 91.239018][ T4859] vfs_get_tree+0x90/0x274 [ 91.239697][ T4859] do_new_mount+0x228/0x810 [ 91.240360][ T4859] path_mount+0x5b4/0xe78 [ 91.240967][ T4859] __arm64_sys_mount+0x49c/0x584 [ 91.241700][ T4859] invoke_syscall+0x98/0x2bc [ 91.242383][ T4859] el0_svc_common+0x138/0x258 [ 91.243087][ T4859] do_el0_svc+0x58/0x13c [ 91.243735][ T4859] el0_svc+0x58/0x138 [ 91.244359][ T4859] el0t_64_sync_handler+0x84/0xf0 [ 91.245159][ T4859] el0t_64_sync+0x18c/0x190 [ 91.246314][ T4859] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.248677][ T4859] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.366242][ T4861] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.367393][ T4861] CPU: 1 PID: 4861 Comm: syz.1.164 Tainted: G W syzkaller #0 [ 91.368778][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.370402][ T4861] Call trace: [ 91.370874][ T4861] dump_backtrace+0x1c8/0x1f4 [ 91.371604][ T4861] show_stack+0x2c/0x3c [ 91.372265][ T4861] __dump_stack+0x30/0x40 [ 91.373007][ T4861] dump_stack_lvl+0xf8/0x160 [ 91.373767][ T4861] dump_stack+0x1c/0x5c [ 91.374465][ T4861] sysfs_create_dir_ns+0x22c/0x24c [ 91.375247][ T4861] kobject_add_internal+0x5a8/0xb30 [ 91.376119][ T4861] kobject_init_and_add+0x118/0x17c [ 91.376922][ T4861] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.377671][ T4861] gfs2_fill_super+0xdec/0x19ec [ 91.378507][ T4861] get_tree_bdev+0x358/0x544 [ 91.379162][ T4861] gfs2_get_tree+0x54/0x1b4 [ 91.379877][ T4861] vfs_get_tree+0x90/0x274 [ 91.380485][ T4861] do_new_mount+0x228/0x810 [ 91.381130][ T4861] path_mount+0x5b4/0xe78 [ 91.381816][ T4861] __arm64_sys_mount+0x49c/0x584 [ 91.382596][ T4861] invoke_syscall+0x98/0x2bc [ 91.383312][ T4861] el0_svc_common+0x138/0x258 [ 91.383986][ T4861] do_el0_svc+0x58/0x13c [ 91.384635][ T4861] el0_svc+0x58/0x138 [ 91.385262][ T4861] el0t_64_sync_handler+0x84/0xf0 [ 91.385994][ T4861] el0t_64_sync+0x18c/0x190 [ 91.388120][ T4861] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.390266][ T4861] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.505311][ T4863] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.506542][ T4863] CPU: 1 PID: 4863 Comm: syz.1.165 Tainted: G W syzkaller #0 [ 91.508009][ T4863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.509555][ T4863] Call trace: [ 91.510008][ T4863] dump_backtrace+0x1c8/0x1f4 [ 91.510710][ T4863] show_stack+0x2c/0x3c [ 91.511385][ T4863] __dump_stack+0x30/0x40 [ 91.512082][ T4863] dump_stack_lvl+0xf8/0x160 [ 91.512742][ T4863] dump_stack+0x1c/0x5c [ 91.513445][ T4863] sysfs_create_dir_ns+0x22c/0x24c [ 91.514216][ T4863] kobject_add_internal+0x5a8/0xb30 [ 91.515006][ T4863] kobject_init_and_add+0x118/0x17c [ 91.515785][ T4863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.516505][ T4863] gfs2_fill_super+0xdec/0x19ec [ 91.517262][ T4863] get_tree_bdev+0x358/0x544 [ 91.518020][ T4863] gfs2_get_tree+0x54/0x1b4 [ 91.518732][ T4863] vfs_get_tree+0x90/0x274 [ 91.519419][ T4863] do_new_mount+0x228/0x810 [ 91.520127][ T4863] path_mount+0x5b4/0xe78 [ 91.520759][ T4863] __arm64_sys_mount+0x49c/0x584 [ 91.521543][ T4863] invoke_syscall+0x98/0x2bc [ 91.522302][ T4863] el0_svc_common+0x138/0x258 [ 91.523018][ T4863] do_el0_svc+0x58/0x13c [ 91.523706][ T4863] el0_svc+0x58/0x138 [ 91.524341][ T4863] el0t_64_sync_handler+0x84/0xf0 [ 91.525184][ T4863] el0t_64_sync+0x18c/0x190 [ 91.527255][ T4863] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.529404][ T4863] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.657809][ T4865] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.659827][ T4865] CPU: 1 PID: 4865 Comm: syz.1.166 Tainted: G W syzkaller #0 [ 91.661187][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.662875][ T4865] Call trace: [ 91.663447][ T4865] dump_backtrace+0x1c8/0x1f4 [ 91.664233][ T4865] show_stack+0x2c/0x3c [ 91.664930][ T4865] __dump_stack+0x30/0x40 [ 91.665678][ T4865] dump_stack_lvl+0xf8/0x160 [ 91.666413][ T4865] dump_stack+0x1c/0x5c [ 91.667108][ T4865] sysfs_create_dir_ns+0x22c/0x24c [ 91.667905][ T4865] kobject_add_internal+0x5a8/0xb30 [ 91.668726][ T4865] kobject_init_and_add+0x118/0x17c [ 91.669522][ T4865] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.670228][ T4865] gfs2_fill_super+0xdec/0x19ec [ 91.671009][ T4865] get_tree_bdev+0x358/0x544 [ 91.671709][ T4865] gfs2_get_tree+0x54/0x1b4 [ 91.672490][ T4865] vfs_get_tree+0x90/0x274 [ 91.673189][ T4865] do_new_mount+0x228/0x810 [ 91.673897][ T4865] path_mount+0x5b4/0xe78 [ 91.674563][ T4865] __arm64_sys_mount+0x49c/0x584 [ 91.675317][ T4865] invoke_syscall+0x98/0x2bc [ 91.676005][ T4865] el0_svc_common+0x138/0x258 [ 91.676700][ T4865] do_el0_svc+0x58/0x13c [ 91.677354][ T4865] el0_svc+0x58/0x138 [ 91.677958][ T4865] el0t_64_sync_handler+0x84/0xf0 [ 91.678752][ T4865] el0t_64_sync+0x18c/0x190 [ 91.679978][ T4865] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.682646][ T4865] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.810252][ T4867] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.811500][ T4867] CPU: 1 PID: 4867 Comm: syz.1.167 Tainted: G W syzkaller #0 [ 91.812959][ T4867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.814635][ T4867] Call trace: [ 91.815171][ T4867] dump_backtrace+0x1c8/0x1f4 [ 91.815936][ T4867] show_stack+0x2c/0x3c [ 91.816677][ T4867] __dump_stack+0x30/0x40 [ 91.817405][ T4867] dump_stack_lvl+0xf8/0x160 [ 91.818123][ T4867] dump_stack+0x1c/0x5c [ 91.818749][ T4867] sysfs_create_dir_ns+0x22c/0x24c [ 91.819512][ T4867] kobject_add_internal+0x5a8/0xb30 [ 91.820379][ T4867] kobject_init_and_add+0x118/0x17c [ 91.821168][ T4867] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.821895][ T4867] gfs2_fill_super+0xdec/0x19ec [ 91.822641][ T4867] get_tree_bdev+0x358/0x544 [ 91.823351][ T4867] gfs2_get_tree+0x54/0x1b4 [ 91.824038][ T4867] vfs_get_tree+0x90/0x274 [ 91.824696][ T4867] do_new_mount+0x228/0x810 [ 91.825476][ T4867] path_mount+0x5b4/0xe78 [ 91.826241][ T4867] __arm64_sys_mount+0x49c/0x584 [ 91.827030][ T4867] invoke_syscall+0x98/0x2bc [ 91.827767][ T4867] el0_svc_common+0x138/0x258 [ 91.828457][ T4867] do_el0_svc+0x58/0x13c [ 91.829093][ T4867] el0_svc+0x58/0x138 [ 91.829775][ T4867] el0t_64_sync_handler+0x84/0xf0 [ 91.830517][ T4867] el0t_64_sync+0x18c/0x190 [ 91.831382][ T4867] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.833430][ T4867] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.965197][ T4869] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.966322][ T4869] CPU: 1 PID: 4869 Comm: syz.1.168 Tainted: G W syzkaller #0 [ 91.967678][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.969223][ T4869] Call trace: [ 91.969720][ T4869] dump_backtrace+0x1c8/0x1f4 [ 91.970408][ T4869] show_stack+0x2c/0x3c [ 91.971029][ T4869] __dump_stack+0x30/0x40 [ 91.971726][ T4869] dump_stack_lvl+0xf8/0x160 [ 91.972486][ T4869] dump_stack+0x1c/0x5c [ 91.973138][ T4869] sysfs_create_dir_ns+0x22c/0x24c [ 91.973917][ T4869] kobject_add_internal+0x5a8/0xb30 [ 91.974728][ T4869] kobject_init_and_add+0x118/0x17c [ 91.975542][ T4869] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.976262][ T4869] gfs2_fill_super+0xdec/0x19ec [ 91.977096][ T4869] get_tree_bdev+0x358/0x544 [ 91.977902][ T4869] gfs2_get_tree+0x54/0x1b4 [ 91.978606][ T4869] vfs_get_tree+0x90/0x274 [ 91.979294][ T4869] do_new_mount+0x228/0x810 [ 91.980009][ T4869] path_mount+0x5b4/0xe78 [ 91.980661][ T4869] __arm64_sys_mount+0x49c/0x584 [ 91.981325][ T4869] invoke_syscall+0x98/0x2bc [ 91.982033][ T4869] el0_svc_common+0x138/0x258 [ 91.982753][ T4869] do_el0_svc+0x58/0x13c [ 91.983420][ T4869] el0_svc+0x58/0x138 [ 91.984030][ T4869] el0t_64_sync_handler+0x84/0xf0 [ 91.984776][ T4869] el0t_64_sync+0x18c/0x190 [ 91.986745][ T4869] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.988783][ T4869] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.110507][ T4871] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.111791][ T4871] CPU: 1 PID: 4871 Comm: syz.1.169 Tainted: G W syzkaller #0 [ 92.113273][ T4871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.114973][ T4871] Call trace: [ 92.115496][ T4871] dump_backtrace+0x1c8/0x1f4 [ 92.116303][ T4871] show_stack+0x2c/0x3c [ 92.117024][ T4871] __dump_stack+0x30/0x40 [ 92.117670][ T4871] dump_stack_lvl+0xf8/0x160 [ 92.118431][ T4871] dump_stack+0x1c/0x5c [ 92.119052][ T4871] sysfs_create_dir_ns+0x22c/0x24c [ 92.119895][ T4871] kobject_add_internal+0x5a8/0xb30 [ 92.120718][ T4871] kobject_init_and_add+0x118/0x17c [ 92.121559][ T4871] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.122257][ T4871] gfs2_fill_super+0xdec/0x19ec [ 92.123065][ T4871] get_tree_bdev+0x358/0x544 [ 92.123770][ T4871] gfs2_get_tree+0x54/0x1b4 [ 92.124472][ T4871] vfs_get_tree+0x90/0x274 [ 92.125127][ T4871] do_new_mount+0x228/0x810 [ 92.125818][ T4871] path_mount+0x5b4/0xe78 [ 92.126486][ T4871] __arm64_sys_mount+0x49c/0x584 [ 92.127284][ T4871] invoke_syscall+0x98/0x2bc [ 92.127995][ T4871] el0_svc_common+0x138/0x258 [ 92.128685][ T4871] do_el0_svc+0x58/0x13c [ 92.129358][ T4871] el0_svc+0x58/0x138 [ 92.130051][ T4871] el0t_64_sync_handler+0x84/0xf0 [ 92.130973][ T4871] el0t_64_sync+0x18c/0x190 [ 92.133077][ T4871] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.135126][ T4871] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.254749][ T4873] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.255930][ T4873] CPU: 0 PID: 4873 Comm: syz.1.170 Tainted: G W syzkaller #0 [ 92.257273][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.258772][ T4873] Call trace: [ 92.259278][ T4873] dump_backtrace+0x1c8/0x1f4 [ 92.260036][ T4873] show_stack+0x2c/0x3c [ 92.260685][ T4873] __dump_stack+0x30/0x40 [ 92.261371][ T4873] dump_stack_lvl+0xf8/0x160 [ 92.262102][ T4873] dump_stack+0x1c/0x5c [ 92.262742][ T4873] sysfs_create_dir_ns+0x22c/0x24c [ 92.263546][ T4873] kobject_add_internal+0x5a8/0xb30 [ 92.264388][ T4873] kobject_init_and_add+0x118/0x17c [ 92.265229][ T4873] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.266015][ T4873] gfs2_fill_super+0xdec/0x19ec [ 92.266811][ T4873] get_tree_bdev+0x358/0x544 [ 92.267535][ T4873] gfs2_get_tree+0x54/0x1b4 [ 92.268251][ T4873] vfs_get_tree+0x90/0x274 [ 92.268964][ T4873] do_new_mount+0x228/0x810 [ 92.269627][ T4873] path_mount+0x5b4/0xe78 [ 92.270267][ T4873] __arm64_sys_mount+0x49c/0x584 [ 92.270961][ T4873] invoke_syscall+0x98/0x2bc [ 92.271688][ T4873] el0_svc_common+0x138/0x258 [ 92.272438][ T4873] do_el0_svc+0x58/0x13c [ 92.273106][ T4873] el0_svc+0x58/0x138 [ 92.273714][ T4873] el0t_64_sync_handler+0x84/0xf0 [ 92.274424][ T4873] el0t_64_sync+0x18c/0x190 [ 92.275437][ T4873] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.277594][ T4873] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.399272][ T4875] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.400546][ T4875] CPU: 1 PID: 4875 Comm: syz.1.171 Tainted: G W syzkaller #0 [ 92.401991][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.403576][ T4875] Call trace: [ 92.404074][ T4875] dump_backtrace+0x1c8/0x1f4 [ 92.404814][ T4875] show_stack+0x2c/0x3c [ 92.405390][ T4875] __dump_stack+0x30/0x40 [ 92.406066][ T4875] dump_stack_lvl+0xf8/0x160 [ 92.406731][ T4875] dump_stack+0x1c/0x5c [ 92.407289][ T4875] sysfs_create_dir_ns+0x22c/0x24c [ 92.408055][ T4875] kobject_add_internal+0x5a8/0xb30 [ 92.408795][ T4875] kobject_init_and_add+0x118/0x17c [ 92.409608][ T4875] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.410419][ T4875] gfs2_fill_super+0xdec/0x19ec [ 92.411130][ T4875] get_tree_bdev+0x358/0x544 [ 92.411839][ T4875] gfs2_get_tree+0x54/0x1b4 [ 92.412517][ T4875] vfs_get_tree+0x90/0x274 [ 92.413157][ T4875] do_new_mount+0x228/0x810 [ 92.413851][ T4875] path_mount+0x5b4/0xe78 [ 92.414596][ T4875] __arm64_sys_mount+0x49c/0x584 [ 92.415405][ T4875] invoke_syscall+0x98/0x2bc [ 92.416088][ T4875] el0_svc_common+0x138/0x258 [ 92.416775][ T4875] do_el0_svc+0x58/0x13c [ 92.417428][ T4875] el0_svc+0x58/0x138 [ 92.418012][ T4875] el0t_64_sync_handler+0x84/0xf0 [ 92.418849][ T4875] el0t_64_sync+0x18c/0x190 [ 92.422116][ T4875] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.424252][ T4875] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.542229][ T4877] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.543380][ T4877] CPU: 1 PID: 4877 Comm: syz.1.172 Tainted: G W syzkaller #0 [ 92.544759][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.546317][ T4877] Call trace: [ 92.546803][ T4877] dump_backtrace+0x1c8/0x1f4 [ 92.547589][ T4877] show_stack+0x2c/0x3c [ 92.548247][ T4877] __dump_stack+0x30/0x40 [ 92.548974][ T4877] dump_stack_lvl+0xf8/0x160 [ 92.549680][ T4877] dump_stack+0x1c/0x5c [ 92.550334][ T4877] sysfs_create_dir_ns+0x22c/0x24c [ 92.551105][ T4877] kobject_add_internal+0x5a8/0xb30 [ 92.551840][ T4877] kobject_init_and_add+0x118/0x17c [ 92.552690][ T4877] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.553454][ T4877] gfs2_fill_super+0xdec/0x19ec [ 92.554210][ T4877] get_tree_bdev+0x358/0x544 [ 92.554937][ T4877] gfs2_get_tree+0x54/0x1b4 [ 92.555635][ T4877] vfs_get_tree+0x90/0x274 [ 92.556290][ T4877] do_new_mount+0x228/0x810 [ 92.557107][ T4877] path_mount+0x5b4/0xe78 [ 92.557876][ T4877] __arm64_sys_mount+0x49c/0x584 [ 92.558734][ T4877] invoke_syscall+0x98/0x2bc [ 92.559540][ T4877] el0_svc_common+0x138/0x258 [ 92.560347][ T4877] do_el0_svc+0x58/0x13c [ 92.561049][ T4877] el0_svc+0x58/0x138 [ 92.561734][ T4877] el0t_64_sync_handler+0x84/0xf0 [ 92.562594][ T4877] el0t_64_sync+0x18c/0x190 [ 92.564597][ T4877] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.566741][ T4877] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.710941][ T4879] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.712190][ T4879] CPU: 0 PID: 4879 Comm: syz.1.173 Tainted: G W syzkaller #0 [ 92.713585][ T4879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.715065][ T4879] Call trace: [ 92.715561][ T4879] dump_backtrace+0x1c8/0x1f4 [ 92.716248][ T4879] show_stack+0x2c/0x3c [ 92.716853][ T4879] __dump_stack+0x30/0x40 [ 92.717539][ T4879] dump_stack_lvl+0xf8/0x160 [ 92.718256][ T4879] dump_stack+0x1c/0x5c [ 92.718903][ T4879] sysfs_create_dir_ns+0x22c/0x24c [ 92.719814][ T4879] kobject_add_internal+0x5a8/0xb30 [ 92.720661][ T4879] kobject_init_and_add+0x118/0x17c [ 92.721475][ T4879] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.722183][ T4879] gfs2_fill_super+0xdec/0x19ec [ 92.722846][ T4879] get_tree_bdev+0x358/0x544 [ 92.723561][ T4879] gfs2_get_tree+0x54/0x1b4 [ 92.724224][ T4879] vfs_get_tree+0x90/0x274 [ 92.724911][ T4879] do_new_mount+0x228/0x810 [ 92.725664][ T4879] path_mount+0x5b4/0xe78 [ 92.726356][ T4879] __arm64_sys_mount+0x49c/0x584 [ 92.727097][ T4879] invoke_syscall+0x98/0x2bc [ 92.727786][ T4879] el0_svc_common+0x138/0x258 [ 92.728498][ T4879] do_el0_svc+0x58/0x13c [ 92.729128][ T4879] el0_svc+0x58/0x138 [ 92.729722][ T4879] el0t_64_sync_handler+0x84/0xf0 [ 92.730444][ T4879] el0t_64_sync+0x18c/0x190 [ 92.731312][ T4879] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.733308][ T4879] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.853590][ T4881] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.854755][ T4881] CPU: 0 PID: 4881 Comm: syz.1.174 Tainted: G W syzkaller #0 [ 92.856177][ T4881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.857670][ T4881] Call trace: [ 92.858136][ T4881] dump_backtrace+0x1c8/0x1f4 [ 92.858859][ T4881] show_stack+0x2c/0x3c [ 92.859540][ T4881] __dump_stack+0x30/0x40 [ 92.860209][ T4881] dump_stack_lvl+0xf8/0x160 [ 92.860878][ T4881] dump_stack+0x1c/0x5c [ 92.861526][ T4881] sysfs_create_dir_ns+0x22c/0x24c [ 92.862319][ T4881] kobject_add_internal+0x5a8/0xb30 [ 92.863116][ T4881] kobject_init_and_add+0x118/0x17c [ 92.863915][ T4881] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.864634][ T4881] gfs2_fill_super+0xdec/0x19ec [ 92.865372][ T4881] get_tree_bdev+0x358/0x544 [ 92.866018][ T4881] gfs2_get_tree+0x54/0x1b4 [ 92.866731][ T4881] vfs_get_tree+0x90/0x274 [ 92.867383][ T4881] do_new_mount+0x228/0x810 [ 92.868099][ T4881] path_mount+0x5b4/0xe78 [ 92.868743][ T4881] __arm64_sys_mount+0x49c/0x584 [ 92.869452][ T4881] invoke_syscall+0x98/0x2bc [ 92.870206][ T4881] el0_svc_common+0x138/0x258 [ 92.870864][ T4881] do_el0_svc+0x58/0x13c [ 92.871498][ T4881] el0_svc+0x58/0x138 [ 92.872126][ T4881] el0t_64_sync_handler+0x84/0xf0 [ 92.872911][ T4881] el0t_64_sync+0x18c/0x190 [ 92.874906][ T4881] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.876816][ T4881] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.998871][ T4883] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.001061][ T4883] CPU: 1 PID: 4883 Comm: syz.1.175 Tainted: G W syzkaller #0 [ 93.002450][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.004121][ T4883] Call trace: [ 93.004646][ T4883] dump_backtrace+0x1c8/0x1f4 [ 93.005387][ T4883] show_stack+0x2c/0x3c [ 93.006020][ T4883] __dump_stack+0x30/0x40 [ 93.006681][ T4883] dump_stack_lvl+0xf8/0x160 [ 93.007348][ T4883] dump_stack+0x1c/0x5c [ 93.007942][ T4883] sysfs_create_dir_ns+0x22c/0x24c [ 93.008764][ T4883] kobject_add_internal+0x5a8/0xb30 [ 93.009507][ T4883] kobject_init_and_add+0x118/0x17c [ 93.010379][ T4883] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.011145][ T4883] gfs2_fill_super+0xdec/0x19ec [ 93.011915][ T4883] get_tree_bdev+0x358/0x544 [ 93.012589][ T4883] gfs2_get_tree+0x54/0x1b4 [ 93.013276][ T4883] vfs_get_tree+0x90/0x274 [ 93.013951][ T4883] do_new_mount+0x228/0x810 [ 93.014606][ T4883] path_mount+0x5b4/0xe78 [ 93.015326][ T4883] __arm64_sys_mount+0x49c/0x584 [ 93.016071][ T4883] invoke_syscall+0x98/0x2bc [ 93.016785][ T4883] el0_svc_common+0x138/0x258 [ 93.017572][ T4883] do_el0_svc+0x58/0x13c [ 93.018197][ T4883] el0_svc+0x58/0x138 [ 93.018796][ T4883] el0t_64_sync_handler+0x84/0xf0 [ 93.019521][ T4883] el0t_64_sync+0x18c/0x190 [ 93.020351][ T4883] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.022358][ T4883] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.144274][ T4885] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.145510][ T4885] CPU: 0 PID: 4885 Comm: syz.1.176 Tainted: G W syzkaller #0 [ 93.146944][ T4885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.148560][ T4885] Call trace: [ 93.149055][ T4885] dump_backtrace+0x1c8/0x1f4 [ 93.149838][ T4885] show_stack+0x2c/0x3c [ 93.150512][ T4885] __dump_stack+0x30/0x40 [ 93.151212][ T4885] dump_stack_lvl+0xf8/0x160 [ 93.151914][ T4885] dump_stack+0x1c/0x5c [ 93.152608][ T4885] sysfs_create_dir_ns+0x22c/0x24c [ 93.153413][ T4885] kobject_add_internal+0x5a8/0xb30 [ 93.154212][ T4885] kobject_init_and_add+0x118/0x17c [ 93.155029][ T4885] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.155758][ T4885] gfs2_fill_super+0xdec/0x19ec [ 93.156558][ T4885] get_tree_bdev+0x358/0x544 [ 93.157301][ T4885] gfs2_get_tree+0x54/0x1b4 [ 93.157976][ T4885] vfs_get_tree+0x90/0x274 [ 93.158641][ T4885] do_new_mount+0x228/0x810 [ 93.159324][ T4885] path_mount+0x5b4/0xe78 [ 93.160007][ T4885] __arm64_sys_mount+0x49c/0x584 [ 93.160790][ T4885] invoke_syscall+0x98/0x2bc [ 93.161490][ T4885] el0_svc_common+0x138/0x258 [ 93.162205][ T4885] do_el0_svc+0x58/0x13c [ 93.162842][ T4885] el0_svc+0x58/0x138 [ 93.163492][ T4885] el0t_64_sync_handler+0x84/0xf0 [ 93.164205][ T4885] el0t_64_sync+0x18c/0x190 [ 93.165082][ T4885] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.167041][ T4885] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.285953][ T4887] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.287108][ T4887] CPU: 1 PID: 4887 Comm: syz.1.177 Tainted: G W syzkaller #0 [ 93.288451][ T4887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.290089][ T4887] Call trace: [ 93.290568][ T4887] dump_backtrace+0x1c8/0x1f4 [ 93.291288][ T4887] show_stack+0x2c/0x3c [ 93.291949][ T4887] __dump_stack+0x30/0x40 [ 93.292664][ T4887] dump_stack_lvl+0xf8/0x160 [ 93.293430][ T4887] dump_stack+0x1c/0x5c [ 93.294065][ T4887] sysfs_create_dir_ns+0x22c/0x24c [ 93.294843][ T4887] kobject_add_internal+0x5a8/0xb30 [ 93.295621][ T4887] kobject_init_and_add+0x118/0x17c [ 93.296392][ T4887] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.297139][ T4887] gfs2_fill_super+0xdec/0x19ec [ 93.297892][ T4887] get_tree_bdev+0x358/0x544 [ 93.298558][ T4887] gfs2_get_tree+0x54/0x1b4 [ 93.299255][ T4887] vfs_get_tree+0x90/0x274 [ 93.299958][ T4887] do_new_mount+0x228/0x810 [ 93.300690][ T4887] path_mount+0x5b4/0xe78 [ 93.301376][ T4887] __arm64_sys_mount+0x49c/0x584 [ 93.302097][ T4887] invoke_syscall+0x98/0x2bc [ 93.302796][ T4887] el0_svc_common+0x138/0x258 [ 93.303549][ T4887] do_el0_svc+0x58/0x13c [ 93.304202][ T4887] el0_svc+0x58/0x138 [ 93.304761][ T4887] el0t_64_sync_handler+0x84/0xf0 [ 93.305568][ T4887] el0t_64_sync+0x18c/0x190 [ 93.306435][ T4887] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.308397][ T4887] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.430478][ T4889] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.431715][ T4889] CPU: 0 PID: 4889 Comm: syz.1.178 Tainted: G W syzkaller #0 [ 93.433262][ T4889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.434964][ T4889] Call trace: [ 93.435469][ T4889] dump_backtrace+0x1c8/0x1f4 [ 93.436229][ T4889] show_stack+0x2c/0x3c [ 93.436937][ T4889] __dump_stack+0x30/0x40 [ 93.437646][ T4889] dump_stack_lvl+0xf8/0x160 [ 93.438324][ T4889] dump_stack+0x1c/0x5c [ 93.439031][ T4889] sysfs_create_dir_ns+0x22c/0x24c [ 93.439861][ T4889] kobject_add_internal+0x5a8/0xb30 [ 93.440639][ T4889] kobject_init_and_add+0x118/0x17c [ 93.441444][ T4889] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.442178][ T4889] gfs2_fill_super+0xdec/0x19ec [ 93.442879][ T4889] get_tree_bdev+0x358/0x544 [ 93.443565][ T4889] gfs2_get_tree+0x54/0x1b4 [ 93.444222][ T4889] vfs_get_tree+0x90/0x274 [ 93.444807][ T4889] do_new_mount+0x228/0x810 [ 93.445498][ T4889] path_mount+0x5b4/0xe78 [ 93.446143][ T4889] __arm64_sys_mount+0x49c/0x584 [ 93.446928][ T4889] invoke_syscall+0x98/0x2bc [ 93.447666][ T4889] el0_svc_common+0x138/0x258 [ 93.448331][ T4889] do_el0_svc+0x58/0x13c [ 93.448986][ T4889] el0_svc+0x58/0x138 [ 93.449590][ T4889] el0t_64_sync_handler+0x84/0xf0 [ 93.450385][ T4889] el0t_64_sync+0x18c/0x190 [ 93.452419][ T4889] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.454570][ T4889] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.580830][ T4891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.582631][ T4891] CPU: 1 PID: 4891 Comm: syz.1.179 Tainted: G W syzkaller #0 [ 93.584025][ T4891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.585602][ T4891] Call trace: [ 93.586110][ T4891] dump_backtrace+0x1c8/0x1f4 [ 93.586824][ T4891] show_stack+0x2c/0x3c [ 93.587512][ T4891] __dump_stack+0x30/0x40 [ 93.588167][ T4891] dump_stack_lvl+0xf8/0x160 [ 93.588852][ T4891] dump_stack+0x1c/0x5c [ 93.589519][ T4891] sysfs_create_dir_ns+0x22c/0x24c [ 93.590266][ T4891] kobject_add_internal+0x5a8/0xb30 [ 93.591122][ T4891] kobject_init_and_add+0x118/0x17c [ 93.591980][ T4891] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.592742][ T4891] gfs2_fill_super+0xdec/0x19ec [ 93.593529][ T4891] get_tree_bdev+0x358/0x544 [ 93.594247][ T4891] gfs2_get_tree+0x54/0x1b4 [ 93.594947][ T4891] vfs_get_tree+0x90/0x274 [ 93.595601][ T4891] do_new_mount+0x228/0x810 [ 93.596292][ T4891] path_mount+0x5b4/0xe78 [ 93.596970][ T4891] __arm64_sys_mount+0x49c/0x584 [ 93.597781][ T4891] invoke_syscall+0x98/0x2bc [ 93.598466][ T4891] el0_svc_common+0x138/0x258 [ 93.599123][ T4891] do_el0_svc+0x58/0x13c [ 93.599805][ T4891] el0_svc+0x58/0x138 [ 93.600406][ T4891] el0t_64_sync_handler+0x84/0xf0 [ 93.601167][ T4891] el0t_64_sync+0x18c/0x190 [ 93.602111][ T4891] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.604200][ T4891] gfs2: fsid=syz:syz: error -17 adding sysfs files