pute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.994023][ T6632] Call trace: [ 205.994514][ T6632] dump_backtrace+0x0/0x458 [ 205.995133][ T6632] show_stack+0x2c/0x3c [ 205.995808][ T6632] __dump_stack+0x30/0x40 [ 205.996398][ T6632] dump_stack_lvl+0xf4/0x15c [ 205.997050][ T6632] dump_stack+0x1c/0x5c [ 205.997660][ T6632] sysfs_create_dir_ns+0x244/0x264 [ 205.998403][ T6632] kobject_add_internal+0x5ac/0xc3c [ 205.999113][ T6632] kobject_init_and_add+0x124/0x190 [ 205.999847][ T6632] gfs2_sys_fs_add+0x200/0x41c [ 206.000555][ T6632] gfs2_fill_super+0xddc/0x1a18 [ 206.001239][ T6632] get_tree_bdev+0x358/0x544 [ 206.001900][ T6632] gfs2_get_tree+0x54/0x1b4 [ 206.002522][ T6632] vfs_get_tree+0x90/0x274 [ 206.003215][ T6632] do_new_mount+0x228/0x810 [ 206.003862][ T6632] path_mount+0x5bc/0x1008 [ 206.004541][ T6632] __arm64_sys_mount+0x514/0x5f0 [ 206.005193][ T6632] invoke_syscall+0x98/0x2b0 [ 206.005859][ T6632] el0_svc_common+0x138/0x258 [ 206.006592][ T6632] do_el0_svc+0x58/0x13c [ 206.007256][ T6632] el0_svc+0x78/0x1d0 [ 206.007859][ T6632] el0t_64_sync_handler+0xcc/0xe4 [ 206.008575][ T6632] el0t_64_sync+0x1a0/0x1a4 [ 206.011831][ T6632] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.013634][ T6632] gfs2: fsid=}: error -17 adding sysfs files [ 206.145161][ T6635] loop1: detected capacity change from 0 to 32768 [ 206.153272][ T6635] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.154675][ T6635] CPU: 1 PID: 6635 Comm: syz.1.559 Not tainted syzkaller #0 [ 206.155769][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.157372][ T6635] Call trace: [ 206.157868][ T6635] dump_backtrace+0x0/0x458 [ 206.158564][ T6635] show_stack+0x2c/0x3c [ 206.159163][ T6635] __dump_stack+0x30/0x40 [ 206.159844][ T6635] dump_stack_lvl+0xf4/0x15c [ 206.160528][ T6635] dump_stack+0x1c/0x5c [ 206.161128][ T6635] sysfs_create_dir_ns+0x244/0x264 [ 206.161928][ T6635] kobject_add_internal+0x5ac/0xc3c [ 206.162723][ T6635] kobject_init_and_add+0x124/0x190 [ 206.163449][ T6635] gfs2_sys_fs_add+0x200/0x41c [ 206.164103][ T6635] gfs2_fill_super+0xddc/0x1a18 [ 206.164795][ T6635] get_tree_bdev+0x358/0x544 [ 206.165469][ T6635] gfs2_get_tree+0x54/0x1b4 [ 206.166110][ T6635] vfs_get_tree+0x90/0x274 [ 206.166774][ T6635] do_new_mount+0x228/0x810 [ 206.167455][ T6635] path_mount+0x5bc/0x1008 [ 206.168139][ T6635] __arm64_sys_mount+0x514/0x5f0 [ 206.168870][ T6635] invoke_syscall+0x98/0x2b0 [ 206.169534][ T6635] el0_svc_common+0x138/0x258 [ 206.170191][ T6635] do_el0_svc+0x58/0x13c [ 206.170794][ T6635] el0_svc+0x78/0x1d0 [ 206.171383][ T6635] el0t_64_sync_handler+0xcc/0xe4 [ 206.172149][ T6635] el0t_64_sync+0x1a0/0x1a4 [ 206.173935][ T6635] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.175924][ T6635] gfs2: fsid=}: error -17 adding sysfs files [ 206.306494][ T6638] loop1: detected capacity change from 0 to 32768 [ 206.345664][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.346772][ T6638] CPU: 0 PID: 6638 Comm: syz.1.560 Not tainted syzkaller #0 [ 206.347802][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.349225][ T6638] Call trace: [ 206.349704][ T6638] dump_backtrace+0x0/0x458 [ 206.350333][ T6638] show_stack+0x2c/0x3c [ 206.350959][ T6638] __dump_stack+0x30/0x40 [ 206.351620][ T6638] dump_stack_lvl+0xf4/0x15c [ 206.352350][ T6638] dump_stack+0x1c/0x5c [ 206.352989][ T6638] sysfs_create_dir_ns+0x244/0x264 [ 206.353807][ T6638] kobject_add_internal+0x5ac/0xc3c [ 206.354542][ T6638] kobject_init_and_add+0x124/0x190 [ 206.355336][ T6638] gfs2_sys_fs_add+0x200/0x41c [ 206.356072][ T6638] gfs2_fill_super+0xddc/0x1a18 [ 206.356749][ T6638] get_tree_bdev+0x358/0x544 [ 206.357424][ T6638] gfs2_get_tree+0x54/0x1b4 [ 206.358087][ T6638] vfs_get_tree+0x90/0x274 [ 206.358700][ T6638] do_new_mount+0x228/0x810 [ 206.359378][ T6638] path_mount+0x5bc/0x1008 [ 206.360042][ T6638] __arm64_sys_mount+0x514/0x5f0 [ 206.360780][ T6638] invoke_syscall+0x98/0x2b0 [ 206.361428][ T6638] el0_svc_common+0x138/0x258 [ 206.362168][ T6638] do_el0_svc+0x58/0x13c [ 206.362820][ T6638] el0_svc+0x78/0x1d0 [ 206.363490][ T6638] el0t_64_sync_handler+0xcc/0xe4 [ 206.364222][ T6638] el0t_64_sync+0x1a0/0x1a4 [ 206.366551][ T6638] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.368398][ T6638] gfs2: fsid=}: error -17 adding sysfs files [ 206.501497][ T6641] loop1: detected capacity change from 0 to 32768 [ 206.508706][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.509867][ T6641] CPU: 1 PID: 6641 Comm: syz.1.561 Not tainted syzkaller #0 [ 206.511095][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.512717][ T6641] Call trace: [ 206.513205][ T6641] dump_backtrace+0x0/0x458 [ 206.513892][ T6641] show_stack+0x2c/0x3c [ 206.514509][ T6641] __dump_stack+0x30/0x40 [ 206.515171][ T6641] dump_stack_lvl+0xf4/0x15c [ 206.515907][ T6641] dump_stack+0x1c/0x5c [ 206.516518][ T6641] sysfs_create_dir_ns+0x244/0x264 [ 206.517313][ T6641] kobject_add_internal+0x5ac/0xc3c [ 206.518108][ T6641] kobject_init_and_add+0x124/0x190 [ 206.518886][ T6641] gfs2_sys_fs_add+0x200/0x41c [ 206.519632][ T6641] gfs2_fill_super+0xddc/0x1a18 [ 206.520374][ T6641] get_tree_bdev+0x358/0x544 [ 206.521079][ T6641] gfs2_get_tree+0x54/0x1b4 [ 206.521767][ T6641] vfs_get_tree+0x90/0x274 [ 206.522425][ T6641] do_new_mount+0x228/0x810 [ 206.523095][ T6641] path_mount+0x5bc/0x1008 [ 206.523701][ T6641] __arm64_sys_mount+0x514/0x5f0 [ 206.524465][ T6641] invoke_syscall+0x98/0x2b0 [ 206.525169][ T6641] el0_svc_common+0x138/0x258 [ 206.525837][ T6641] do_el0_svc+0x58/0x13c [ 206.526467][ T6641] el0_svc+0x78/0x1d0 [ 206.527038][ T6641] el0t_64_sync_handler+0xcc/0xe4 [ 206.527814][ T6641] el0t_64_sync+0x1a0/0x1a4 [ 206.529939][ T6641] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.531696][ T6641] gfs2: fsid=}: error -17 adding sysfs files [ 206.661322][ T6644] loop1: detected capacity change from 0 to 32768 [ 206.694341][ T6644] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.695489][ T6644] CPU: 0 PID: 6644 Comm: syz.1.562 Not tainted syzkaller #0 [ 206.696577][ T6644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.698031][ T6644] Call trace: [ 206.698491][ T6644] dump_backtrace+0x0/0x458 [ 206.699114][ T6644] show_stack+0x2c/0x3c [ 206.699705][ T6644] __dump_stack+0x30/0x40 [ 206.700327][ T6644] dump_stack_lvl+0xf4/0x15c [ 206.700990][ T6644] dump_stack+0x1c/0x5c [ 206.701545][ T6644] sysfs_create_dir_ns+0x244/0x264 [ 206.702257][ T6644] kobject_add_internal+0x5ac/0xc3c [ 206.702965][ T6644] kobject_init_and_add+0x124/0x190 [ 206.703714][ T6644] gfs2_sys_fs_add+0x200/0x41c [ 206.704389][ T6644] gfs2_fill_super+0xddc/0x1a18 [ 206.705050][ T6644] get_tree_bdev+0x358/0x544 [ 206.705661][ T6644] gfs2_get_tree+0x54/0x1b4 [ 206.706292][ T6644] vfs_get_tree+0x90/0x274 [ 206.706968][ T6644] do_new_mount+0x228/0x810 [ 206.707627][ T6644] path_mount+0x5bc/0x1008 [ 206.708290][ T6644] __arm64_sys_mount+0x514/0x5f0 [ 206.709043][ T6644] invoke_syscall+0x98/0x2b0 [ 206.709694][ T6644] el0_svc_common+0x138/0x258 [ 206.710422][ T6644] do_el0_svc+0x58/0x13c [ 206.710980][ T6644] el0_svc+0x78/0x1d0 [ 206.711526][ T6644] el0t_64_sync_handler+0xcc/0xe4 [ 206.712251][ T6644] el0t_64_sync+0x1a0/0x1a4 [ 206.714306][ T6644] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.716223][ T6644] gfs2: fsid=}: error -17 adding sysfs files [ 206.898664][ T6647] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.899811][ T6647] CPU: 1 PID: 6647 Comm: syz.1.563 Not tainted syzkaller #0 [ 206.900980][ T6647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.902529][ T6647] Call trace: [ 206.903046][ T6647] dump_backtrace+0x0/0x458 [ 206.903697][ T6647] show_stack+0x2c/0x3c [ 206.904287][ T6647] __dump_stack+0x30/0x40 [ 206.904894][ T6647] dump_stack_lvl+0xf4/0x15c [ 206.905530][ T6647] dump_stack+0x1c/0x5c [ 206.906154][ T6647] sysfs_create_dir_ns+0x244/0x264 [ 206.906915][ T6647] kobject_add_internal+0x5ac/0xc3c [ 206.907674][ T6647] kobject_init_and_add+0x124/0x190 [ 206.908440][ T6647] gfs2_sys_fs_add+0x200/0x41c [ 206.909140][ T6647] gfs2_fill_super+0xddc/0x1a18 [ 206.909853][ T6647] get_tree_bdev+0x358/0x544 [ 206.910478][ T6647] gfs2_get_tree+0x54/0x1b4 [ 206.911108][ T6647] vfs_get_tree+0x90/0x274 [ 206.911777][ T6647] do_new_mount+0x228/0x810 [ 206.912450][ T6647] path_mount+0x5bc/0x1008 [ 206.913119][ T6647] __arm64_sys_mount+0x514/0x5f0 [ 206.913865][ T6647] invoke_syscall+0x98/0x2b0 [ 206.914628][ T6647] el0_svc_common+0x138/0x258 [ 206.915295][ T6647] do_el0_svc+0x58/0x13c [ 206.915938][ T6647] el0_svc+0x78/0x1d0 [ 206.916550][ T6647] el0t_64_sync_handler+0xcc/0xe4 [ 206.917312][ T6647] el0t_64_sync+0x1a0/0x1a4 [ 206.918228][ T6647] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.920096][ T6647] gfs2: fsid=}: error -17 adding sysfs files [ 207.084320][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.085554][ T6650] CPU: 0 PID: 6650 Comm: syz.1.564 Not tainted syzkaller #0 [ 207.086711][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.088198][ T6650] Call trace: [ 207.088625][ T6650] dump_backtrace+0x0/0x458 [ 207.089328][ T6650] show_stack+0x2c/0x3c [ 207.089968][ T6650] __dump_stack+0x30/0x40 [ 207.090572][ T6650] dump_stack_lvl+0xf4/0x15c [ 207.091267][ T6650] dump_stack+0x1c/0x5c [ 207.091919][ T6650] sysfs_create_dir_ns+0x244/0x264 [ 207.092657][ T6650] kobject_add_internal+0x5ac/0xc3c [ 207.093468][ T6650] kobject_init_and_add+0x124/0x190 [ 207.094243][ T6650] gfs2_sys_fs_add+0x200/0x41c [ 207.094898][ T6650] gfs2_fill_super+0xddc/0x1a18 [ 207.095640][ T6650] get_tree_bdev+0x358/0x544 [ 207.096331][ T6650] gfs2_get_tree+0x54/0x1b4 [ 207.096953][ T6650] vfs_get_tree+0x90/0x274 [ 207.097645][ T6650] do_new_mount+0x228/0x810 [ 207.098325][ T6650] path_mount+0x5bc/0x1008 [ 207.098966][ T6650] __arm64_sys_mount+0x514/0x5f0 [ 207.099663][ T6650] invoke_syscall+0x98/0x2b0 [ 207.100304][ T6650] el0_svc_common+0x138/0x258 [ 207.100939][ T6650] do_el0_svc+0x58/0x13c [ 207.101546][ T6650] el0_svc+0x78/0x1d0 [ 207.102148][ T6650] el0t_64_sync_handler+0xcc/0xe4 [ 207.102893][ T6650] el0t_64_sync+0x1a0/0x1a4 [ 207.105168][ T6650] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.107010][ T6650] gfs2: fsid=}: error -17 adding sysfs files [ 207.317810][ T6653] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.318993][ T6653] CPU: 0 PID: 6653 Comm: syz.1.565 Not tainted syzkaller #0 [ 207.320164][ T6653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.321668][ T6653] Call trace: [ 207.322147][ T6653] dump_backtrace+0x0/0x458 [ 207.322826][ T6653] show_stack+0x2c/0x3c [ 207.323465][ T6653] __dump_stack+0x30/0x40 [ 207.324083][ T6653] dump_stack_lvl+0xf4/0x15c [ 207.324710][ T6653] dump_stack+0x1c/0x5c [ 207.325264][ T6653] sysfs_create_dir_ns+0x244/0x264 [ 207.325997][ T6653] kobject_add_internal+0x5ac/0xc3c [ 207.326814][ T6653] kobject_init_and_add+0x124/0x190 [ 207.327598][ T6653] gfs2_sys_fs_add+0x200/0x41c [ 207.328271][ T6653] gfs2_fill_super+0xddc/0x1a18 [ 207.328936][ T6653] get_tree_bdev+0x358/0x544 [ 207.329550][ T6653] gfs2_get_tree+0x54/0x1b4 [ 207.330152][ T6653] vfs_get_tree+0x90/0x274 [ 207.330788][ T6653] do_new_mount+0x228/0x810 [ 207.331445][ T6653] path_mount+0x5bc/0x1008 [ 207.332116][ T6653] __arm64_sys_mount+0x514/0x5f0 [ 207.332871][ T6653] invoke_syscall+0x98/0x2b0 [ 207.333558][ T6653] el0_svc_common+0x138/0x258 [ 207.334277][ T6653] do_el0_svc+0x58/0x13c [ 207.334872][ T6653] el0_svc+0x78/0x1d0 [ 207.335442][ T6653] el0t_64_sync_handler+0xcc/0xe4 [ 207.336139][ T6653] el0t_64_sync+0x1a0/0x1a4 [ 207.338216][ T6653] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.340031][ T6653] gfs2: fsid=}: error -17 adding sysfs files [ 207.564419][ T6656] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.565521][ T6656] CPU: 1 PID: 6656 Comm: syz.1.566 Not tainted syzkaller #0 [ 207.566646][ T6656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.568194][ T6656] Call trace: [ 207.568672][ T6656] dump_backtrace+0x0/0x458 [ 207.569339][ T6656] show_stack+0x2c/0x3c [ 207.569887][ T6656] __dump_stack+0x30/0x40 [ 207.570506][ T6656] dump_stack_lvl+0xf4/0x15c [ 207.571127][ T6656] dump_stack+0x1c/0x5c [ 207.571731][ T6656] sysfs_create_dir_ns+0x244/0x264 [ 207.572426][ T6656] kobject_add_internal+0x5ac/0xc3c [ 207.573118][ T6656] kobject_init_and_add+0x124/0x190 [ 207.573857][ T6656] gfs2_sys_fs_add+0x200/0x41c [ 207.574544][ T6656] gfs2_fill_super+0xddc/0x1a18 [ 207.575301][ T6656] get_tree_bdev+0x358/0x544 [ 207.575938][ T6656] gfs2_get_tree+0x54/0x1b4 [ 207.576599][ T6656] vfs_get_tree+0x90/0x274 [ 207.577211][ T6656] do_new_mount+0x228/0x810 [ 207.577903][ T6656] path_mount+0x5bc/0x1008 [ 207.578552][ T6656] __arm64_sys_mount+0x514/0x5f0 [ 207.579245][ T6656] invoke_syscall+0x98/0x2b0 [ 207.579922][ T6656] el0_svc_common+0x138/0x258 [ 207.580621][ T6656] do_el0_svc+0x58/0x13c [ 207.581276][ T6656] el0_svc+0x78/0x1d0 [ 207.581842][ T6656] el0t_64_sync_handler+0xcc/0xe4 [ 207.582603][ T6656] el0t_64_sync+0x1a0/0x1a4 [ 207.593118][ T6656] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.594873][ T6656] gfs2: fsid=}: error -17 adding sysfs files [ 207.736644][ T6659] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.737826][ T6659] CPU: 0 PID: 6659 Comm: syz.1.567 Not tainted syzkaller #0 [ 207.738812][ T6659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.740494][ T6659] Call trace: [ 207.740983][ T6659] dump_backtrace+0x0/0x458 [ 207.741637][ T6659] show_stack+0x2c/0x3c [ 207.742252][ T6659] __dump_stack+0x30/0x40 [ 207.742879][ T6659] dump_stack_lvl+0xf4/0x15c [ 207.743555][ T6659] dump_stack+0x1c/0x5c [ 207.744184][ T6659] sysfs_create_dir_ns+0x244/0x264 [ 207.744915][ T6659] kobject_add_internal+0x5ac/0xc3c [ 207.745687][ T6659] kobject_init_and_add+0x124/0x190 [ 207.746437][ T6659] gfs2_sys_fs_add+0x200/0x41c [ 207.747110][ T6659] gfs2_fill_super+0xddc/0x1a18 [ 207.747841][ T6659] get_tree_bdev+0x358/0x544 [ 207.748528][ T6659] gfs2_get_tree+0x54/0x1b4 [ 207.749229][ T6659] vfs_get_tree+0x90/0x274 [ 207.749890][ T6659] do_new_mount+0x228/0x810 [ 207.750590][ T6659] path_mount+0x5bc/0x1008 [ 207.751248][ T6659] __arm64_sys_mount+0x514/0x5f0 [ 207.751993][ T6659] invoke_syscall+0x98/0x2b0 [ 207.752638][ T6659] el0_svc_common+0x138/0x258 [ 207.753338][ T6659] do_el0_svc+0x58/0x13c [ 207.753968][ T6659] el0_svc+0x78/0x1d0 [ 207.754530][ T6659] el0t_64_sync_handler+0xcc/0xe4 [ 207.755271][ T6659] el0t_64_sync+0x1a0/0x1a4 [ 207.758637][ T6659] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.760539][ T6659] gfs2: fsid=}: error -17 adding sysfs files [ 207.906449][ T6662] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.907554][ T6662] CPU: 0 PID: 6662 Comm: syz.1.568 Not tainted syzkaller #0 [ 207.908627][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.910032][ T6662] Call trace: [ 207.910502][ T6662] dump_backtrace+0x0/0x458 [ 207.911156][ T6662] show_stack+0x2c/0x3c [ 207.911782][ T6662] __dump_stack+0x30/0x40 [ 207.912424][ T6662] dump_stack_lvl+0xf4/0x15c [ 207.913114][ T6662] dump_stack+0x1c/0x5c [ 207.913737][ T6662] sysfs_create_dir_ns+0x244/0x264 [ 207.914539][ T6662] kobject_add_internal+0x5ac/0xc3c [ 207.915250][ T6662] kobject_init_and_add+0x124/0x190 [ 207.916067][ T6662] gfs2_sys_fs_add+0x200/0x41c [ 207.916762][ T6662] gfs2_fill_super+0xddc/0x1a18 [ 207.917528][ T6662] get_tree_bdev+0x358/0x544 [ 207.918227][ T6662] gfs2_get_tree+0x54/0x1b4 [ 207.918887][ T6662] vfs_get_tree+0x90/0x274 [ 207.919589][ T6662] do_new_mount+0x228/0x810 [ 207.920231][ T6662] path_mount+0x5bc/0x1008 [ 207.920879][ T6662] __arm64_sys_mount+0x514/0x5f0 [ 207.921658][ T6662] invoke_syscall+0x98/0x2b0 [ 207.922332][ T6662] el0_svc_common+0x138/0x258 [ 207.923038][ T6662] do_el0_svc+0x58/0x13c [ 207.923664][ T6662] el0_svc+0x78/0x1d0 [ 207.924239][ T6662] el0t_64_sync_handler+0xcc/0xe4 [ 207.924937][ T6662] el0t_64_sync+0x1a0/0x1a4 [ 207.927293][ T6662] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.929150][ T6662] gfs2: fsid=}: error -17 adding sysfs files [ 208.212287][ T6665] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.213597][ T6665] CPU: 0 PID: 6665 Comm: syz.1.569 Not tainted syzkaller #0 [ 208.214588][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.216030][ T6665] Call trace: [ 208.216525][ T6665] dump_backtrace+0x0/0x458 [ 208.217114][ T6665] show_stack+0x2c/0x3c [ 208.217736][ T6665] __dump_stack+0x30/0x40 [ 208.218345][ T6665] dump_stack_lvl+0xf4/0x15c [ 208.219013][ T6665] dump_stack+0x1c/0x5c [ 208.219617][ T6665] sysfs_create_dir_ns+0x244/0x264 [ 208.220320][ T6665] kobject_add_internal+0x5ac/0xc3c [ 208.221024][ T6665] kobject_init_and_add+0x124/0x190 [ 208.221781][ T6665] gfs2_sys_fs_add+0x200/0x41c [ 208.222442][ T6665] gfs2_fill_super+0xddc/0x1a18 [ 208.223124][ T6665] get_tree_bdev+0x358/0x544 [ 208.223805][ T6665] gfs2_get_tree+0x54/0x1b4 [ 208.224482][ T6665] vfs_get_tree+0x90/0x274 [ 208.225154][ T6665] do_new_mount+0x228/0x810 [ 208.225804][ T6665] path_mount+0x5bc/0x1008 [ 208.226473][ T6665] __arm64_sys_mount+0x514/0x5f0 [ 208.227265][ T6665] invoke_syscall+0x98/0x2b0 [ 208.227949][ T6665] el0_svc_common+0x138/0x258 [ 208.228671][ T6665] do_el0_svc+0x58/0x13c [ 208.229302][ T6665] el0_svc+0x78/0x1d0 [ 208.229959][ T6665] el0t_64_sync_handler+0xcc/0xe4 [ 208.230666][ T6665] el0t_64_sync+0x1a0/0x1a4 [ 208.232211][ T6665] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.234370][ T6665] gfs2: fsid=}: error -17 adding sysfs files [ 208.372973][ T6668] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.374184][ T6668] CPU: 0 PID: 6668 Comm: syz.1.570 Not tainted syzkaller #0 [ 208.375231][ T6668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.376587][ T6668] Call trace: [ 208.377082][ T6668] dump_backtrace+0x0/0x458 [ 208.377704][ T6668] show_stack+0x2c/0x3c [ 208.378276][ T6668] __dump_stack+0x30/0x40 [ 208.378850][ T6668] dump_stack_lvl+0xf4/0x15c [ 208.379457][ T6668] dump_stack+0x1c/0x5c [ 208.380017][ T6668] sysfs_create_dir_ns+0x244/0x264 [ 208.380797][ T6668] kobject_add_internal+0x5ac/0xc3c [ 208.381563][ T6668] kobject_init_and_add+0x124/0x190 [ 208.382289][ T6668] gfs2_sys_fs_add+0x200/0x41c [ 208.383011][ T6668] gfs2_fill_super+0xddc/0x1a18 [ 208.383735][ T6668] get_tree_bdev+0x358/0x544 [ 208.384426][ T6668] gfs2_get_tree+0x54/0x1b4 [ 208.385073][ T6668] vfs_get_tree+0x90/0x274 [ 208.385729][ T6668] do_new_mount+0x228/0x810 [ 208.386349][ T6668] path_mount+0x5bc/0x1008 [ 208.387003][ T6668] __arm64_sys_mount+0x514/0x5f0 [ 208.387742][ T6668] invoke_syscall+0x98/0x2b0 [ 208.388426][ T6668] el0_svc_common+0x138/0x258 [ 208.389086][ T6668] do_el0_svc+0x58/0x13c [ 208.389715][ T6668] el0_svc+0x78/0x1d0 [ 208.390329][ T6668] el0t_64_sync_handler+0xcc/0xe4 [ 208.391062][ T6668] el0t_64_sync+0x1a0/0x1a4 [ 208.393525][ T6668] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.396525][ T6668] gfs2: fsid=}: error -17 adding sysfs files [ 208.568703][ T6671] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.569852][ T6671] CPU: 0 PID: 6671 Comm: syz.1.571 Not tainted syzkaller #0 [ 208.571041][ T6671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.572616][ T6671] Call trace: [ 208.573156][ T6671] dump_backtrace+0x0/0x458 [ 208.573832][ T6671] show_stack+0x2c/0x3c [ 208.574460][ T6671] __dump_stack+0x30/0x40 [ 208.575090][ T6671] dump_stack_lvl+0xf4/0x15c [ 208.575724][ T6671] dump_stack+0x1c/0x5c [ 208.576349][ T6671] sysfs_create_dir_ns+0x244/0x264 [ 208.577100][ T6671] kobject_add_internal+0x5ac/0xc3c [ 208.577867][ T6671] kobject_init_and_add+0x124/0x190 [ 208.578626][ T6671] gfs2_sys_fs_add+0x200/0x41c [ 208.579346][ T6671] gfs2_fill_super+0xddc/0x1a18 [ 208.580078][ T6671] get_tree_bdev+0x358/0x544 [ 208.580721][ T6671] gfs2_get_tree+0x54/0x1b4 [ 208.581351][ T6671] vfs_get_tree+0x90/0x274 [ 208.581967][ T6671] do_new_mount+0x228/0x810 [ 208.582550][ T6671] path_mount+0x5bc/0x1008 [ 208.583234][ T6671] __arm64_sys_mount+0x514/0x5f0 [ 208.583988][ T6671] invoke_syscall+0x98/0x2b0 [ 208.584675][ T6671] el0_svc_common+0x138/0x258 [ 208.585373][ T6671] do_el0_svc+0x58/0x13c [ 208.586038][ T6671] el0_svc+0x78/0x1d0 [ 208.586618][ T6671] el0t_64_sync_handler+0xcc/0xe4 [ 208.587395][ T6671] el0t_64_sync+0x1a0/0x1a4 [ 208.589526][ T6671] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.591355][ T6671] gfs2: fsid=}: error -17 adding sysfs files [ 208.729969][ T6674] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.731028][ T6674] CPU: 1 PID: 6674 Comm: syz.1.572 Not tainted syzkaller #0 [ 208.732110][ T6674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.733578][ T6674] Call trace: [ 208.734030][ T6674] dump_backtrace+0x0/0x458 [ 208.734727][ T6674] show_stack+0x2c/0x3c [ 208.735384][ T6674] __dump_stack+0x30/0x40 [ 208.735989][ T6674] dump_stack_lvl+0xf4/0x15c [ 208.736626][ T6674] dump_stack+0x1c/0x5c [ 208.737257][ T6674] sysfs_create_dir_ns+0x244/0x264 [ 208.737991][ T6674] kobject_add_internal+0x5ac/0xc3c [ 208.738732][ T6674] kobject_init_and_add+0x124/0x190 [ 208.739550][ T6674] gfs2_sys_fs_add+0x200/0x41c [ 208.740255][ T6674] gfs2_fill_super+0xddc/0x1a18 [ 208.740986][ T6674] get_tree_bdev+0x358/0x544 [ 208.741694][ T6674] gfs2_get_tree+0x54/0x1b4 [ 208.742382][ T6674] vfs_get_tree+0x90/0x274 [ 208.743028][ T6674] do_new_mount+0x228/0x810 [ 208.743685][ T6674] path_mount+0x5bc/0x1008 [ 208.744365][ T6674] __arm64_sys_mount+0x514/0x5f0 [ 208.745076][ T6674] invoke_syscall+0x98/0x2b0 [ 208.745766][ T6674] el0_svc_common+0x138/0x258 [ 208.746430][ T6674] do_el0_svc+0x58/0x13c [ 208.747052][ T6674] el0_svc+0x78/0x1d0 [ 208.747656][ T6674] el0t_64_sync_handler+0xcc/0xe4 [ 208.748420][ T6674] el0t_64_sync+0x1a0/0x1a4 [ 208.749173][ T6674] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.750961][ T6674] gfs2: fsid=}: error -17 adding sysfs files [ 208.924367][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.925456][ T6677] CPU: 1 PID: 6677 Comm: syz.1.573 Not tainted syzkaller #0 [ 208.926521][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.927913][ T6677] Call trace: [ 208.928361][ T6677] dump_backtrace+0x0/0x458 [ 208.928983][ T6677] show_stack+0x2c/0x3c [ 208.929573][ T6677] __dump_stack+0x30/0x40 [ 208.930187][ T6677] dump_stack_lvl+0xf4/0x15c [ 208.930852][ T6677] dump_stack+0x1c/0x5c [ 208.931492][ T6677] sysfs_create_dir_ns+0x244/0x264 [ 208.932143][ T6677] kobject_add_internal+0x5ac/0xc3c [ 208.932868][ T6677] kobject_init_and_add+0x124/0x190 [ 208.933604][ T6677] gfs2_sys_fs_add+0x200/0x41c [ 208.934337][ T6677] gfs2_fill_super+0xddc/0x1a18 [ 208.935070][ T6677] get_tree_bdev+0x358/0x544 [ 208.935777][ T6677] gfs2_get_tree+0x54/0x1b4 [ 208.936410][ T6677] vfs_get_tree+0x90/0x274 [ 208.937023][ T6677] do_new_mount+0x228/0x810 [ 208.937692][ T6677] path_mount+0x5bc/0x1008 [ 208.938342][ T6677] __arm64_sys_mount+0x514/0x5f0 [ 208.939047][ T6677] invoke_syscall+0x98/0x2b0 [ 208.939691][ T6677] el0_svc_common+0x138/0x258 [ 208.940347][ T6677] do_el0_svc+0x58/0x13c [ 208.940938][ T6677] el0_svc+0x78/0x1d0 [ 208.941530][ T6677] el0t_64_sync_handler+0xcc/0xe4 [ 208.942237][ T6677] el0t_64_sync+0x1a0/0x1a4 [ 208.953110][ T6677] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.954906][ T6677] gfs2: fsid=}: error -17 adding sysfs files [ 209.134266][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.139203][ T6680] CPU: 0 PID: 6680 Comm: syz.1.574 Not tainted syzkaller #0 [ 209.140306][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.141882][ T6680] Call trace: [ 209.142432][ T6680] dump_backtrace+0x0/0x458 [ 209.143176][ T6680] show_stack+0x2c/0x3c [ 209.143826][ T6680] __dump_stack+0x30/0x40 [ 209.144453][ T6680] dump_stack_lvl+0xf4/0x15c [ 209.145149][ T6680] dump_stack+0x1c/0x5c [ 209.145713][ T6680] sysfs_create_dir_ns+0x244/0x264 [ 209.146414][ T6680] kobject_add_internal+0x5ac/0xc3c [ 209.147142][ T6680] kobject_init_and_add+0x124/0x190 [ 209.147907][ T6680] gfs2_sys_fs_add+0x200/0x41c [ 209.148579][ T6680] gfs2_fill_super+0xddc/0x1a18 [ 209.149329][ T6680] get_tree_bdev+0x358/0x544 [ 209.150012][ T6680] gfs2_get_tree+0x54/0x1b4 [ 209.150740][ T6680] vfs_get_tree+0x90/0x274 [ 209.151396][ T6680] do_new_mount+0x228/0x810 [ 209.152055][ T6680] path_mount+0x5bc/0x1008 [ 209.152672][ T6680] __arm64_sys_mount+0x514/0x5f0 [ 209.153363][ T6680] invoke_syscall+0x98/0x2b0 [ 209.154004][ T6680] el0_svc_common+0x138/0x258 [ 209.154679][ T6680] do_el0_svc+0x58/0x13c [ 209.155352][ T6680] el0_svc+0x78/0x1d0 [ 209.155937][ T6680] el0t_64_sync_handler+0xcc/0xe4 [ 209.156627][ T6680] el0t_64_sync+0x1a0/0x1a4 [ 209.157483][ T6680] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.159431][ T6680] gfs2: fsid=}: error -17 adding sysfs files [ 209.459200][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.460310][ T6683] CPU: 0 PID: 6683 Comm: syz.1.575 Not tainted syzkaller #0 [ 209.461371][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.462790][ T6683] Call trace: [ 209.463276][ T6683] dump_backtrace+0x0/0x458 [ 209.463998][ T6683] show_stack+0x2c/0x3c [ 209.464643][ T6683] __dump_stack+0x30/0x40 [ 209.465292][ T6683] dump_stack_lvl+0xf4/0x15c [ 209.466015][ T6683] dump_stack+0x1c/0x5c [ 209.466612][ T6683] sysfs_create_dir_ns+0x244/0x264 [ 209.467362][ T6683] kobject_add_internal+0x5ac/0xc3c [ 209.468186][ T6683] kobject_init_and_add+0x124/0x190 [ 209.468964][ T6683] gfs2_sys_fs_add+0x200/0x41c [ 209.469647][ T6683] gfs2_fill_super+0xddc/0x1a18 [ 209.470376][ T6683] get_tree_bdev+0x358/0x544 [ 209.471059][ T6683] gfs2_get_tree+0x54/0x1b4 [ 209.471796][ T6683] vfs_get_tree+0x90/0x274 [ 209.472441][ T6683] do_new_mount+0x228/0x810 [ 209.473121][ T6683] path_mount+0x5bc/0x1008 [ 209.473774][ T6683] __arm64_sys_mount+0x514/0x5f0 [ 209.474439][ T6683] invoke_syscall+0x98/0x2b0 [ 209.475121][ T6683] el0_svc_common+0x138/0x258 [ 209.475753][ T6683] do_el0_svc+0x58/0x13c [ 209.476389][ T6683] el0_svc+0x78/0x1d0 [ 209.476971][ T6683] el0t_64_sync_handler+0xcc/0xe4 [ 209.477710][ T6683] el0t_64_sync+0x1a0/0x1a4 [ 209.479778][ T6683] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.481571][ T6683] gfs2: fsid=}: error -17 adding sysfs files [ 209.621665][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.622791][ T6686] CPU: 1 PID: 6686 Comm: syz.1.576 Not tainted syzkaller #0 [ 209.623945][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.625495][ T6686] Call trace: [ 209.626001][ T6686] dump_backtrace+0x0/0x458 [ 209.626706][ T6686] show_stack+0x2c/0x3c [ 209.627348][ T6686] __dump_stack+0x30/0x40 [ 209.628012][ T6686] dump_stack_lvl+0xf4/0x15c [ 209.628699][ T6686] dump_stack+0x1c/0x5c [ 209.629329][ T6686] sysfs_create_dir_ns+0x244/0x264 [ 209.630062][ T6686] kobject_add_internal+0x5ac/0xc3c [ 209.630897][ T6686] kobject_init_and_add+0x124/0x190 [ 209.631741][ T6686] gfs2_sys_fs_add+0x200/0x41c [ 209.632435][ T6686] gfs2_fill_super+0xddc/0x1a18 [ 209.633123][ T6686] get_tree_bdev+0x358/0x544 [ 209.633795][ T6686] gfs2_get_tree+0x54/0x1b4 [ 209.634433][ T6686] vfs_get_tree+0x90/0x274 [ 209.635070][ T6686] do_new_mount+0x228/0x810 [ 209.635697][ T6686] path_mount+0x5bc/0x1008 [ 209.636371][ T6686] __arm64_sys_mount+0x514/0x5f0 [ 209.637075][ T6686] invoke_syscall+0x98/0x2b0 [ 209.637712][ T6686] el0_svc_common+0x138/0x258 [ 209.638341][ T6686] do_el0_svc+0x58/0x13c [ 209.638963][ T6686] el0_svc+0x78/0x1d0 [ 209.639511][ T6686] el0t_64_sync_handler+0xcc/0xe4 [ 209.640190][ T6686] el0t_64_sync+0x1a0/0x1a4 [ 209.641072][ T6686] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.642837][ T6686] gfs2: fsid=}: error -17 adding sysfs files [ 209.781647][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.782744][ T6689] CPU: 1 PID: 6689 Comm: syz.1.577 Not tainted syzkaller #0 [ 209.783847][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.785329][ T6689] Call trace: [ 209.785829][ T6689] dump_backtrace+0x0/0x458 [ 209.786520][ T6689] show_stack+0x2c/0x3c [ 209.787096][ T6689] __dump_stack+0x30/0x40 [ 209.787708][ T6689] dump_stack_lvl+0xf4/0x15c [ 209.788357][ T6689] dump_stack+0x1c/0x5c [ 209.788964][ T6689] sysfs_create_dir_ns+0x244/0x264 [ 209.789696][ T6689] kobject_add_internal+0x5ac/0xc3c [ 209.790410][ T6689] kobject_init_and_add+0x124/0x190 [ 209.791142][ T6689] gfs2_sys_fs_add+0x200/0x41c [ 209.791827][ T6689] gfs2_fill_super+0xddc/0x1a18 [ 209.792548][ T6689] get_tree_bdev+0x358/0x544 [ 209.793272][ T6689] gfs2_get_tree+0x54/0x1b4 [ 209.793946][ T6689] vfs_get_tree+0x90/0x274 [ 209.794569][ T6689] do_new_mount+0x228/0x810 [ 209.795214][ T6689] path_mount+0x5bc/0x1008 [ 209.795856][ T6689] __arm64_sys_mount+0x514/0x5f0 [ 209.796516][ T6689] invoke_syscall+0x98/0x2b0 [ 209.797150][ T6689] el0_svc_common+0x138/0x258 [ 209.797773][ T6689] do_el0_svc+0x58/0x13c [ 209.798360][ T6689] el0_svc+0x78/0x1d0 [ 209.798958][ T6689] el0t_64_sync_handler+0xcc/0xe4 [ 209.799660][ T6689] el0t_64_sync+0x1a0/0x1a4 [ 209.800488][ T6689] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.802488][ T6689] gfs2: fsid=}: error -17 adding sysfs files [ 209.948835][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.950031][ T6692] CPU: 0 PID: 6692 Comm: syz.1.578 Not tainted syzkaller #0 [ 209.951093][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.952614][ T6692] Call trace: [ 209.953103][ T6692] dump_backtrace+0x0/0x458 [ 209.953744][ T6692] show_stack+0x2c/0x3c [ 209.954373][ T6692] __dump_stack+0x30/0x40 [ 209.955016][ T6692] dump_stack_lvl+0xf4/0x15c [ 209.955690][ T6692] dump_stack+0x1c/0x5c [ 209.956302][ T6692] sysfs_create_dir_ns+0x244/0x264 [ 209.957055][ T6692] kobject_add_internal+0x5ac/0xc3c [ 209.957815][ T6692] kobject_init_and_add+0x124/0x190 [ 209.958554][ T6692] gfs2_sys_fs_add+0x200/0x41c [ 209.959303][ T6692] gfs2_fill_super+0xddc/0x1a18 [ 209.960046][ T6692] get_tree_bdev+0x358/0x544 [ 209.960759][ T6692] gfs2_get_tree+0x54/0x1b4 [ 209.961411][ T6692] vfs_get_tree+0x90/0x274 [ 209.962067][ T6692] do_new_mount+0x228/0x810 [ 209.962717][ T6692] path_mount+0x5bc/0x1008 [ 209.963343][ T6692] __arm64_sys_mount+0x514/0x5f0 [ 209.964078][ T6692] invoke_syscall+0x98/0x2b0 [ 209.964776][ T6692] el0_svc_common+0x138/0x258 [ 209.965468][ T6692] do_el0_svc+0x58/0x13c [ 209.966037][ T6692] el0_svc+0x78/0x1d0 [ 209.966651][ T6692] el0t_64_sync_handler+0xcc/0xe4 [ 209.967440][ T6692] el0t_64_sync+0x1a0/0x1a4 [ 209.970789][ T6692] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.972624][ T6692] gfs2: fsid=}: error -17 adding sysfs files [ 210.108866][ T6695] set_capacity_and_notify: 16 callbacks suppressed [ 210.108877][ T6695] loop1: detected capacity change from 0 to 32768 [ 210.114546][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.115584][ T6695] CPU: 0 PID: 6695 Comm: syz.1.579 Not tainted syzkaller #0 [ 210.116646][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.118150][ T6695] Call trace: [ 210.118800][ T6695] dump_backtrace+0x0/0x458 [ 210.119547][ T6695] show_stack+0x2c/0x3c [ 210.120147][ T6695] __dump_stack+0x30/0x40 [ 210.120785][ T6695] dump_stack_lvl+0xf4/0x15c [ 210.121411][ T6695] dump_stack+0x1c/0x5c [ 210.122032][ T6695] sysfs_create_dir_ns+0x244/0x264 [ 210.122791][ T6695] kobject_add_internal+0x5ac/0xc3c [ 210.123610][ T6695] kobject_init_and_add+0x124/0x190 [ 210.124362][ T6695] gfs2_sys_fs_add+0x200/0x41c [ 210.125094][ T6695] gfs2_fill_super+0xddc/0x1a18 [ 210.125787][ T6695] get_tree_bdev+0x358/0x544 [ 210.126450][ T6695] gfs2_get_tree+0x54/0x1b4 [ 210.127096][ T6695] vfs_get_tree+0x90/0x274 [ 210.127712][ T6695] do_new_mount+0x228/0x810 [ 210.128426][ T6695] path_mount+0x5bc/0x1008 [ 210.129115][ T6695] __arm64_sys_mount+0x514/0x5f0 [ 210.129810][ T6695] invoke_syscall+0x98/0x2b0 [ 210.130453][ T6695] el0_svc_common+0x138/0x258 [ 210.131110][ T6695] do_el0_svc+0x58/0x13c [ 210.131709][ T6695] el0_svc+0x78/0x1d0 [ 210.132294][ T6695] el0t_64_sync_handler+0xcc/0xe4 [ 210.133025][ T6695] el0t_64_sync+0x1a0/0x1a4 [ 210.134729][ T6695] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.136627][ T6695] gfs2: fsid=}: error -17 adding sysfs files [ 210.272894][ T6698] loop1: detected capacity change from 0 to 32768 [ 210.328521][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.329697][ T6698] CPU: 0 PID: 6698 Comm: syz.1.580 Not tainted syzkaller #0 [ 210.330799][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.332219][ T6698] Call trace: [ 210.332811][ T6698] dump_backtrace+0x0/0x458 [ 210.333535][ T6698] show_stack+0x2c/0x3c [ 210.334145][ T6698] __dump_stack+0x30/0x40 [ 210.334862][ T6698] dump_stack_lvl+0xf4/0x15c [ 210.335498][ T6698] dump_stack+0x1c/0x5c [ 210.336111][ T6698] sysfs_create_dir_ns+0x244/0x264 [ 210.336848][ T6698] kobject_add_internal+0x5ac/0xc3c [ 210.337558][ T6698] kobject_init_and_add+0x124/0x190 [ 210.338337][ T6698] gfs2_sys_fs_add+0x200/0x41c [ 210.339038][ T6698] gfs2_fill_super+0xddc/0x1a18 [ 210.339738][ T6698] get_tree_bdev+0x358/0x544 [ 210.340420][ T6698] gfs2_get_tree+0x54/0x1b4 [ 210.341089][ T6698] vfs_get_tree+0x90/0x274 [ 210.341724][ T6698] do_new_mount+0x228/0x810 [ 210.342445][ T6698] path_mount+0x5bc/0x1008 [ 210.343055][ T6698] __arm64_sys_mount+0x514/0x5f0 [ 210.343732][ T6698] invoke_syscall+0x98/0x2b0 [ 210.344412][ T6698] el0_svc_common+0x138/0x258 [ 210.345082][ T6698] do_el0_svc+0x58/0x13c [ 210.345674][ T6698] el0_svc+0x78/0x1d0 [ 210.346283][ T6698] el0t_64_sync_handler+0xcc/0xe4 [ 210.346974][ T6698] el0t_64_sync+0x1a0/0x1a4 [ 210.348141][ T6698] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.349997][ T6698] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 567 [ 210.508522][ T6701] loop1: detected capacity change from 0 to 32768 [ 210.545549][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.546640][ T6701] CPU: 1 PID: 6701 Comm: syz.1.581 Not tainted syzkaller #0 [ 210.547694][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.549078][ T6701] Call trace: [ 210.549554][ T6701] dump_backtrace+0x0/0x458 [ 210.550207][ T6701] show_stack+0x2c/0x3c [ 210.550828][ T6701] __dump_stack+0x30/0x40 [ 210.551468][ T6701] dump_stack_lvl+0xf4/0x15c [ 210.552159][ T6701] dump_stack+0x1c/0x5c [ 210.552811][ T6701] sysfs_create_dir_ns+0x244/0x264 [ 210.553578][ T6701] kobject_add_internal+0x5ac/0xc3c [ 210.554359][ T6701] kobject_init_and_add+0x124/0x190 [ 210.555180][ T6701] gfs2_sys_fs_add+0x200/0x41c [ 210.555852][ T6701] gfs2_fill_super+0xddc/0x1a18 [ 210.556530][ T6701] get_tree_bdev+0x358/0x544 [ 210.557181][ T6701] gfs2_get_tree+0x54/0x1b4 [ 210.557840][ T6701] vfs_get_tree+0x90/0x274 [ 210.558531][ T6701] do_new_mount+0x228/0x810 [ 210.559170][ T6701] path_mount+0x5bc/0x1008 [ 210.559805][ T6701] __arm64_sys_mount+0x514/0x5f0 [ 210.560536][ T6701] invoke_syscall+0x98/0x2b0 [ 210.561268][ T6701] el0_svc_common+0x138/0x258 [ 210.561963][ T6701] do_el0_svc+0x58/0x13c [ 210.562605][ T6701] el0_svc+0x78/0x1d0 [ 210.563222][ T6701] el0t_64_sync_handler+0xcc/0xe4 [ 210.563911][ T6701] el0t_64_sync+0x1a0/0x1a4 [ 210.565999][ T6701] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.567691][ T6701] gfs2: fsid=}: error -17 adding sysfs files [ 210.698335][ T6704] loop1: detected capacity change from 0 to 32768 [ 210.744893][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.746039][ T6704] CPU: 0 PID: 6704 Comm: syz.1.582 Not tainted syzkaller #0 [ 210.747232][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.748723][ T6704] Call trace: [ 210.749177][ T6704] dump_backtrace+0x0/0x458 [ 210.749827][ T6704] show_stack+0x2c/0x3c [ 210.750411][ T6704] __dump_stack+0x30/0x40 [ 210.751020][ T6704] dump_stack_lvl+0xf4/0x15c [ 210.751693][ T6704] dump_stack+0x1c/0x5c [ 210.752273][ T6704] sysfs_create_dir_ns+0x244/0x264 [ 210.752992][ T6704] kobject_add_internal+0x5ac/0xc3c [ 210.753754][ T6704] kobject_init_and_add+0x124/0x190 [ 210.754563][ T6704] gfs2_sys_fs_add+0x200/0x41c [ 210.755212][ T6704] gfs2_fill_super+0xddc/0x1a18 [ 210.755859][ T6704] get_tree_bdev+0x358/0x544 [ 210.756498][ T6704] gfs2_get_tree+0x54/0x1b4 [ 210.757170][ T6704] vfs_get_tree+0x90/0x274 [ 210.757781][ T6704] do_new_mount+0x228/0x810 [ 210.758447][ T6704] path_mount+0x5bc/0x1008 [ 210.759188][ T6704] __arm64_sys_mount+0x514/0x5f0 [ 210.759924][ T6704] invoke_syscall+0x98/0x2b0 [ 210.760641][ T6704] el0_svc_common+0x138/0x258 [ 210.761331][ T6704] do_el0_svc+0x58/0x13c [ 210.761946][ T6704] el0_svc+0x78/0x1d0 [ 210.762519][ T6704] el0t_64_sync_handler+0xcc/0xe4 [ 210.763297][ T6704] el0t_64_sync+0x1a0/0x1a4 [ 210.767649][ T6704] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.769576][ T6704] gfs2: fsid=}: error -17 adding sysfs files [ 210.903689][ T6707] loop1: detected capacity change from 0 to 32768 [ 210.954241][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.955572][ T6707] CPU: 1 PID: 6707 Comm: syz.1.583 Not tainted syzkaller #0 [ 210.956663][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.958230][ T6707] Call trace: [ 210.958680][ T6707] dump_backtrace+0x0/0x458 [ 210.959402][ T6707] show_stack+0x2c/0x3c [ 210.960019][ T6707] __dump_stack+0x30/0x40 [ 210.960723][ T6707] dump_stack_lvl+0xf4/0x15c [ 210.961522][ T6707] dump_stack+0x1c/0x5c [ 210.962161][ T6707] sysfs_create_dir_ns+0x244/0x264 [ 210.962974][ T6707] kobject_add_internal+0x5ac/0xc3c [ 210.963761][ T6707] kobject_init_and_add+0x124/0x190 [ 210.964524][ T6707] gfs2_sys_fs_add+0x200/0x41c [ 210.965225][ T6707] gfs2_fill_super+0xddc/0x1a18 [ 210.965929][ T6707] get_tree_bdev+0x358/0x544 [ 210.966618][ T6707] gfs2_get_tree+0x54/0x1b4 [ 210.967300][ T6707] vfs_get_tree+0x90/0x274 [ 210.967905][ T6707] do_new_mount+0x228/0x810 [ 210.968589][ T6707] path_mount+0x5bc/0x1008 [ 210.969221][ T6707] __arm64_sys_mount+0x514/0x5f0 [ 210.969984][ T6707] invoke_syscall+0x98/0x2b0 [ 210.970648][ T6707] el0_svc_common+0x138/0x258 [ 210.971376][ T6707] do_el0_svc+0x58/0x13c [ 210.972011][ T6707] el0_svc+0x78/0x1d0 [ 210.972577][ T6707] el0t_64_sync_handler+0xcc/0xe4 [ 210.973278][ T6707] el0t_64_sync+0x1a0/0x1a4 [ 210.978816][ T6707] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.980618][ T6707] gfs2: fsid=}: error -17 adding sysfs files [ 211.218843][ T6710] loop1: detected capacity change from 0 to 32768 [ 211.269077][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.270185][ T6710] CPU: 0 PID: 6710 Comm: syz.1.584 Not tainted syzkaller #0 [ 211.271270][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.272707][ T6710] Call trace: [ 211.273156][ T6710] dump_backtrace+0x0/0x458 [ 211.273806][ T6710] show_stack+0x2c/0x3c [ 211.274477][ T6710] __dump_stack+0x30/0x40 [ 211.275077][ T6710] dump_stack_lvl+0xf4/0x15c [ 211.275764][ T6710] dump_stack+0x1c/0x5c [ 211.276420][ T6710] sysfs_create_dir_ns+0x244/0x264 [ 211.277168][ T6710] kobject_add_internal+0x5ac/0xc3c [ 211.277917][ T6710] kobject_init_and_add+0x124/0x190 [ 211.278619][ T6710] gfs2_sys_fs_add+0x200/0x41c [ 211.279289][ T6710] gfs2_fill_super+0xddc/0x1a18 [ 211.279959][ T6710] get_tree_bdev+0x358/0x544 [ 211.280623][ T6710] gfs2_get_tree+0x54/0x1b4 [ 211.281257][ T6710] vfs_get_tree+0x90/0x274 [ 211.281923][ T6710] do_new_mount+0x228/0x810 [ 211.282603][ T6710] path_mount+0x5bc/0x1008 [ 211.283276][ T6710] __arm64_sys_mount+0x514/0x5f0 [ 211.284006][ T6710] invoke_syscall+0x98/0x2b0 [ 211.284691][ T6710] el0_svc_common+0x138/0x258 [ 211.285344][ T6710] do_el0_svc+0x58/0x13c [ 211.285937][ T6710] el0_svc+0x78/0x1d0 [ 211.286544][ T6710] el0t_64_sync_handler+0xcc/0xe4 [ 211.287311][ T6710] el0t_64_sync+0x1a0/0x1a4 [ 211.290176][ T6710] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.292027][ T6710] gfs2: fsid=}: error -17 adding sysfs files [ 211.424363][ T6713] loop1: detected capacity change from 0 to 32768 [ 211.431918][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.433142][ T6713] CPU: 0 PID: 6713 Comm: syz.1.585 Not tainted syzkaller #0 [ 211.434154][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.435673][ T6713] Call trace: [ 211.436123][ T6713] dump_backtrace+0x0/0x458 [ 211.436789][ T6713] show_stack+0x2c/0x3c [ 211.437360][ T6713] __dump_stack+0x30/0x40 [ 211.438020][ T6713] dump_stack_lvl+0xf4/0x15c [ 211.438644][ T6713] dump_stack+0x1c/0x5c [ 211.439284][ T6713] sysfs_create_dir_ns+0x244/0x264 [ 211.439995][ T6713] kobject_add_internal+0x5ac/0xc3c [ 211.440725][ T6713] kobject_init_and_add+0x124/0x190 [ 211.441498][ T6713] gfs2_sys_fs_add+0x200/0x41c [ 211.442246][ T6713] gfs2_fill_super+0xddc/0x1a18 [ 211.442989][ T6713] get_tree_bdev+0x358/0x544 [ 211.443692][ T6713] gfs2_get_tree+0x54/0x1b4 [ 211.444416][ T6713] vfs_get_tree+0x90/0x274 [ 211.445031][ T6713] do_new_mount+0x228/0x810 [ 211.445706][ T6713] path_mount+0x5bc/0x1008 [ 211.446301][ T6713] __arm64_sys_mount+0x514/0x5f0 [ 211.447038][ T6713] invoke_syscall+0x98/0x2b0 [ 211.447748][ T6713] el0_svc_common+0x138/0x258 [ 211.448458][ T6713] do_el0_svc+0x58/0x13c [ 211.449053][ T6713] el0_svc+0x78/0x1d0 [ 211.449679][ T6713] el0t_64_sync_handler+0xcc/0xe4 [ 211.450469][ T6713] el0t_64_sync+0x1a0/0x1a4 [ 211.452711][ T6713] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.454694][ T6713] gfs2: fsid=}: error -17 adding sysfs files [ 211.587396][ T6716] loop1: detected capacity change from 0 to 32768 [ 211.595244][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.596401][ T6716] CPU: 1 PID: 6716 Comm: syz.1.586 Not tainted syzkaller #0 [ 211.597467][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.598964][ T6716] Call trace: [ 211.599434][ T6716] dump_backtrace+0x0/0x458 [ 211.600126][ T6716] show_stack+0x2c/0x3c [ 211.600694][ T6716] __dump_stack+0x30/0x40 [ 211.601283][ T6716] dump_stack_lvl+0xf4/0x15c [ 211.601939][ T6716] dump_stack+0x1c/0x5c [ 211.602538][ T6716] sysfs_create_dir_ns+0x244/0x264 [ 211.603250][ T6716] kobject_add_internal+0x5ac/0xc3c [ 211.604038][ T6716] kobject_init_and_add+0x124/0x190 [ 211.604829][ T6716] gfs2_sys_fs_add+0x200/0x41c [ 211.605538][ T6716] gfs2_fill_super+0xddc/0x1a18 [ 211.606316][ T6716] get_tree_bdev+0x358/0x544 [ 211.607020][ T6716] gfs2_get_tree+0x54/0x1b4 [ 211.607697][ T6716] vfs_get_tree+0x90/0x274 [ 211.608408][ T6716] do_new_mount+0x228/0x810 [ 211.609089][ T6716] path_mount+0x5bc/0x1008 [ 211.609736][ T6716] __arm64_sys_mount+0x514/0x5f0 [ 211.610432][ T6716] invoke_syscall+0x98/0x2b0 [ 211.611121][ T6716] el0_svc_common+0x138/0x258 [ 211.611751][ T6716] do_el0_svc+0x58/0x13c [ 211.612374][ T6716] el0_svc+0x78/0x1d0 [ 211.612957][ T6716] el0t_64_sync_handler+0xcc/0xe4 [ 211.613757][ T6716] el0t_64_sync+0x1a0/0x1a4 [ 211.615591][ T6716] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.617411][ T6716] gfs2: fsid=}: error -17 adding sysfs files [ 211.748155][ T6719] loop1: detected capacity change from 0 to 32768 [ 211.787983][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.789028][ T6719] CPU: 0 PID: 6719 Comm: syz.1.587 Not tainted syzkaller #0 [ 211.790141][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.791507][ T6719] Call trace: [ 211.791986][ T6719] dump_backtrace+0x0/0x458 [ 211.792602][ T6719] show_stack+0x2c/0x3c [ 211.793259][ T6719] __dump_stack+0x30/0x40 [ 211.793958][ T6719] dump_stack_lvl+0xf4/0x15c [ 211.794631][ T6719] dump_stack+0x1c/0x5c [ 211.795271][ T6719] sysfs_create_dir_ns+0x244/0x264 [ 211.796047][ T6719] kobject_add_internal+0x5ac/0xc3c [ 211.796848][ T6719] kobject_init_and_add+0x124/0x190 [ 211.797597][ T6719] gfs2_sys_fs_add+0x200/0x41c [ 211.798317][ T6719] gfs2_fill_super+0xddc/0x1a18 [ 211.798987][ T6719] get_tree_bdev+0x358/0x544 [ 211.799643][ T6719] gfs2_get_tree+0x54/0x1b4 [ 211.800270][ T6719] vfs_get_tree+0x90/0x274 [ 211.800972][ T6719] do_new_mount+0x228/0x810 [ 211.801669][ T6719] path_mount+0x5bc/0x1008 [ 211.802378][ T6719] __arm64_sys_mount+0x514/0x5f0 [ 211.803120][ T6719] invoke_syscall+0x98/0x2b0 [ 211.803806][ T6719] el0_svc_common+0x138/0x258 [ 211.804519][ T6719] do_el0_svc+0x58/0x13c [ 211.805146][ T6719] el0_svc+0x78/0x1d0 [ 211.805737][ T6719] el0t_64_sync_handler+0xcc/0xe4 [ 211.806491][ T6719] el0t_64_sync+0x1a0/0x1a4 [ 211.808489][ T6719] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.810282][ T6719] gfs2: fsid=}: error -17 adding sysfs files [ 211.944783][ T6722] loop1: detected capacity change from 0 to 32768 [ 211.999205][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.000245][ T6722] CPU: 1 PID: 6722 Comm: syz.1.588 Not tainted syzkaller #0 [ 212.001280][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.002678][ T6722] Call trace: [ 212.003216][ T6722] dump_backtrace+0x0/0x458 [ 212.003890][ T6722] show_stack+0x2c/0x3c [ 212.004516][ T6722] __dump_stack+0x30/0x40 [ 212.005156][ T6722] dump_stack_lvl+0xf4/0x15c [ 212.005858][ T6722] dump_stack+0x1c/0x5c [ 212.006448][ T6722] sysfs_create_dir_ns+0x244/0x264 [ 212.007223][ T6722] kobject_add_internal+0x5ac/0xc3c [ 212.007969][ T6722] kobject_init_and_add+0x124/0x190 [ 212.008769][ T6722] gfs2_sys_fs_add+0x200/0x41c [ 212.009494][ T6722] gfs2_fill_super+0xddc/0x1a18 [ 212.010225][ T6722] get_tree_bdev+0x358/0x544 [ 212.010867][ T6722] gfs2_get_tree+0x54/0x1b4 [ 212.011548][ T6722] vfs_get_tree+0x90/0x274 [ 212.012217][ T6722] do_new_mount+0x228/0x810 [ 212.012947][ T6722] path_mount+0x5bc/0x1008 [ 212.013620][ T6722] __arm64_sys_mount+0x514/0x5f0 [ 212.014416][ T6722] invoke_syscall+0x98/0x2b0 [ 212.015121][ T6722] el0_svc_common+0x138/0x258 [ 212.015831][ T6722] do_el0_svc+0x58/0x13c [ 212.016451][ T6722] el0_svc+0x78/0x1d0 [ 212.017078][ T6722] el0t_64_sync_handler+0xcc/0xe4 [ 212.017853][ T6722] el0t_64_sync+0x1a0/0x1a4 [ 212.018762][ T6722] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.020555][ T6722] gfs2: fsid=}: error -17 adding sysfs files [ 212.194299][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.195541][ T6725] CPU: 1 PID: 6725 Comm: syz.1.589 Not tainted syzkaller #0 [ 212.196712][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.198225][ T6725] Call trace: [ 212.198741][ T6725] dump_backtrace+0x0/0x458 [ 212.199470][ T6725] show_stack+0x2c/0x3c [ 212.200068][ T6725] __dump_stack+0x30/0x40 [ 212.200732][ T6725] dump_stack_lvl+0xf4/0x15c [ 212.201441][ T6725] dump_stack+0x1c/0x5c [ 212.202067][ T6725] sysfs_create_dir_ns+0x244/0x264 [ 212.202779][ T6725] kobject_add_internal+0x5ac/0xc3c [ 212.203555][ T6725] kobject_init_and_add+0x124/0x190 [ 212.204337][ T6725] gfs2_sys_fs_add+0x200/0x41c [ 212.205039][ T6725] gfs2_fill_super+0xddc/0x1a18 [ 212.205720][ T6725] get_tree_bdev+0x358/0x544 [ 212.206370][ T6725] gfs2_get_tree+0x54/0x1b4 [ 212.207058][ T6725] vfs_get_tree+0x90/0x274 [ 212.207703][ T6725] do_new_mount+0x228/0x810 [ 212.208389][ T6725] path_mount+0x5bc/0x1008 [ 212.208998][ T6725] __arm64_sys_mount+0x514/0x5f0 [ 212.209708][ T6725] invoke_syscall+0x98/0x2b0 [ 212.210366][ T6725] el0_svc_common+0x138/0x258 [ 212.211038][ T6725] do_el0_svc+0x58/0x13c [ 212.211717][ T6725] el0_svc+0x78/0x1d0 [ 212.212322][ T6725] el0t_64_sync_handler+0xcc/0xe4 [ 212.213004][ T6725] el0t_64_sync+0x1a0/0x1a4 [ 212.214310][ T6725] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.216269][ T6725] gfs2: fsid=}: error -17 adding sysfs files [ 212.425452][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.427207][ T6728] CPU: 0 PID: 6728 Comm: syz.1.590 Not tainted syzkaller #0 [ 212.428193][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.429596][ T6728] Call trace: [ 212.430072][ T6728] dump_backtrace+0x0/0x458 [ 212.430772][ T6728] show_stack+0x2c/0x3c [ 212.431381][ T6728] __dump_stack+0x30/0x40 [ 212.432050][ T6728] dump_stack_lvl+0xf4/0x15c [ 212.432755][ T6728] dump_stack+0x1c/0x5c [ 212.433372][ T6728] sysfs_create_dir_ns+0x244/0x264 [ 212.434145][ T6728] kobject_add_internal+0x5ac/0xc3c [ 212.434890][ T6728] kobject_init_and_add+0x124/0x190 [ 212.435617][ T6728] gfs2_sys_fs_add+0x200/0x41c [ 212.436349][ T6728] gfs2_fill_super+0xddc/0x1a18 [ 212.437096][ T6728] get_tree_bdev+0x358/0x544 [ 212.437801][ T6728] gfs2_get_tree+0x54/0x1b4 [ 212.438413][ T6728] vfs_get_tree+0x90/0x274 [ 212.439070][ T6728] do_new_mount+0x228/0x810 [ 212.439772][ T6728] path_mount+0x5bc/0x1008 [ 212.440437][ T6728] __arm64_sys_mount+0x514/0x5f0 [ 212.441167][ T6728] invoke_syscall+0x98/0x2b0 [ 212.441838][ T6728] el0_svc_common+0x138/0x258 [ 212.442517][ T6728] do_el0_svc+0x58/0x13c [ 212.443136][ T6728] el0_svc+0x78/0x1d0 [ 212.443662][ T6728] el0t_64_sync_handler+0xcc/0xe4 [ 212.444371][ T6728] el0t_64_sync+0x1a0/0x1a4 [ 212.446529][ T6728] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.448277][ T6728] gfs2: fsid=}: error -17 adding sysfs files [ 212.629204][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.630341][ T6731] CPU: 0 PID: 6731 Comm: syz.1.591 Not tainted syzkaller #0 [ 212.631428][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.632997][ T6731] Call trace: [ 212.633474][ T6731] dump_backtrace+0x0/0x458 [ 212.634088][ T6731] show_stack+0x2c/0x3c [ 212.634762][ T6731] __dump_stack+0x30/0x40 [ 212.635473][ T6731] dump_stack_lvl+0xf4/0x15c [ 212.636166][ T6731] dump_stack+0x1c/0x5c [ 212.636826][ T6731] sysfs_create_dir_ns+0x244/0x264 [ 212.637615][ T6731] kobject_add_internal+0x5ac/0xc3c [ 212.638408][ T6731] kobject_init_and_add+0x124/0x190 [ 212.639193][ T6731] gfs2_sys_fs_add+0x200/0x41c [ 212.639896][ T6731] gfs2_fill_super+0xddc/0x1a18 [ 212.640607][ T6731] get_tree_bdev+0x358/0x544 [ 212.641289][ T6731] gfs2_get_tree+0x54/0x1b4 [ 212.641962][ T6731] vfs_get_tree+0x90/0x274 [ 212.642603][ T6731] do_new_mount+0x228/0x810 [ 212.643304][ T6731] path_mount+0x5bc/0x1008 [ 212.643954][ T6731] __arm64_sys_mount+0x514/0x5f0 [ 212.644680][ T6731] invoke_syscall+0x98/0x2b0 [ 212.645383][ T6731] el0_svc_common+0x138/0x258 [ 212.646015][ T6731] do_el0_svc+0x58/0x13c [ 212.646672][ T6731] el0_svc+0x78/0x1d0 [ 212.647271][ T6731] el0t_64_sync_handler+0xcc/0xe4 [ 212.648016][ T6731] el0t_64_sync+0x1a0/0x1a4 [ 212.650692][ T6731] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.652647][ T6731] gfs2: fsid=}: error -17 adding sysfs files [ 212.824341][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.825451][ T6734] CPU: 1 PID: 6734 Comm: syz.1.592 Not tainted syzkaller #0 [ 212.826452][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.827863][ T6734] Call trace: [ 212.828296][ T6734] dump_backtrace+0x0/0x458 [ 212.828944][ T6734] show_stack+0x2c/0x3c [ 212.829647][ T6734] __dump_stack+0x30/0x40 [ 212.830326][ T6734] dump_stack_lvl+0xf4/0x15c [ 212.831047][ T6734] dump_stack+0x1c/0x5c [ 212.831722][ T6734] sysfs_create_dir_ns+0x244/0x264 [ 212.832474][ T6734] kobject_add_internal+0x5ac/0xc3c [ 212.833206][ T6734] kobject_init_and_add+0x124/0x190 [ 212.833962][ T6734] gfs2_sys_fs_add+0x200/0x41c [ 212.834652][ T6734] gfs2_fill_super+0xddc/0x1a18 [ 212.835382][ T6734] get_tree_bdev+0x358/0x544 [ 212.836087][ T6734] gfs2_get_tree+0x54/0x1b4 [ 212.836712][ T6734] vfs_get_tree+0x90/0x274 [ 212.837340][ T6734] do_new_mount+0x228/0x810 [ 212.838005][ T6734] path_mount+0x5bc/0x1008 [ 212.838685][ T6734] __arm64_sys_mount+0x514/0x5f0 [ 212.839404][ T6734] invoke_syscall+0x98/0x2b0 [ 212.840075][ T6734] el0_svc_common+0x138/0x258 [ 212.840803][ T6734] do_el0_svc+0x58/0x13c [ 212.841426][ T6734] el0_svc+0x78/0x1d0 [ 212.842014][ T6734] el0t_64_sync_handler+0xcc/0xe4 [ 212.842724][ T6734] el0t_64_sync+0x1a0/0x1a4 [ 212.843624][ T6734] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.845526][ T6734] gfs2: fsid=}: error -17 adding sysfs files [ 213.024222][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.025326][ T6737] CPU: 0 PID: 6737 Comm: syz.1.593 Not tainted syzkaller #0 [ 213.026450][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.027851][ T6737] Call trace: [ 213.028295][ T6737] dump_backtrace+0x0/0x458 [ 213.028976][ T6737] show_stack+0x2c/0x3c [ 213.029587][ T6737] __dump_stack+0x30/0x40 [ 213.030234][ T6737] dump_stack_lvl+0xf4/0x15c [ 213.030896][ T6737] dump_stack+0x1c/0x5c [ 213.031497][ T6737] sysfs_create_dir_ns+0x244/0x264 [ 213.032242][ T6737] kobject_add_internal+0x5ac/0xc3c [ 213.033006][ T6737] kobject_init_and_add+0x124/0x190 [ 213.033748][ T6737] gfs2_sys_fs_add+0x200/0x41c [ 213.034446][ T6737] gfs2_fill_super+0xddc/0x1a18 [ 213.035157][ T6737] get_tree_bdev+0x358/0x544 [ 213.035839][ T6737] gfs2_get_tree+0x54/0x1b4 [ 213.036510][ T6737] vfs_get_tree+0x90/0x274 [ 213.037175][ T6737] do_new_mount+0x228/0x810 [ 213.037777][ T6737] path_mount+0x5bc/0x1008 [ 213.038435][ T6737] __arm64_sys_mount+0x514/0x5f0 [ 213.039214][ T6737] invoke_syscall+0x98/0x2b0 [ 213.039856][ T6737] el0_svc_common+0x138/0x258 [ 213.040572][ T6737] do_el0_svc+0x58/0x13c [ 213.041175][ T6737] el0_svc+0x78/0x1d0 [ 213.041778][ T6737] el0t_64_sync_handler+0xcc/0xe4 [ 213.042518][ T6737] el0t_64_sync+0x1a0/0x1a4 [ 213.043406][ T6737] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.045328][ T6737] gfs2: fsid=}: error -17 adding sysfs files [ 213.214161][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.215287][ T6740] CPU: 1 PID: 6740 Comm: syz.1.594 Not tainted syzkaller #0 [ 213.216332][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.217762][ T6740] Call trace: [ 213.218368][ T6740] dump_backtrace+0x0/0x458 [ 213.219094][ T6740] show_stack+0x2c/0x3c [ 213.219753][ T6740] __dump_stack+0x30/0x40 [ 213.220441][ T6740] dump_stack_lvl+0xf4/0x15c [ 213.221104][ T6740] dump_stack+0x1c/0x5c [ 213.221810][ T6740] sysfs_create_dir_ns+0x244/0x264 [ 213.222522][ T6740] kobject_add_internal+0x5ac/0xc3c [ 213.223253][ T6740] kobject_init_and_add+0x124/0x190 [ 213.224031][ T6740] gfs2_sys_fs_add+0x200/0x41c [ 213.224723][ T6740] gfs2_fill_super+0xddc/0x1a18 [ 213.225411][ T6740] get_tree_bdev+0x358/0x544 [ 213.226074][ T6740] gfs2_get_tree+0x54/0x1b4 [ 213.226699][ T6740] vfs_get_tree+0x90/0x274 [ 213.227416][ T6740] do_new_mount+0x228/0x810 [ 213.228055][ T6740] path_mount+0x5bc/0x1008 [ 213.228721][ T6740] __arm64_sys_mount+0x514/0x5f0 [ 213.229448][ T6740] invoke_syscall+0x98/0x2b0 [ 213.230129][ T6740] el0_svc_common+0x138/0x258 [ 213.230862][ T6740] do_el0_svc+0x58/0x13c [ 213.231539][ T6740] el0_svc+0x78/0x1d0 [ 213.232130][ T6740] el0t_64_sync_handler+0xcc/0xe4 [ 213.232896][ T6740] el0t_64_sync+0x1a0/0x1a4 [ 213.235123][ T6740] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.237020][ T6740] gfs2: fsid=}: error -17 adding sysfs files [ 213.377925][ T6743] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.379077][ T6743] CPU: 0 PID: 6743 Comm: syz.1.595 Not tainted syzkaller #0 [ 213.380162][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.381601][ T6743] Call trace: [ 213.382012][ T6743] dump_backtrace+0x0/0x458 [ 213.382695][ T6743] show_stack+0x2c/0x3c [ 213.383324][ T6743] __dump_stack+0x30/0x40 [ 213.383915][ T6743] dump_stack_lvl+0xf4/0x15c [ 213.384598][ T6743] dump_stack+0x1c/0x5c [ 213.385222][ T6743] sysfs_create_dir_ns+0x244/0x264 [ 213.385991][ T6743] kobject_add_internal+0x5ac/0xc3c [ 213.386771][ T6743] kobject_init_and_add+0x124/0x190 [ 213.387620][ T6743] gfs2_sys_fs_add+0x200/0x41c [ 213.388297][ T6743] gfs2_fill_super+0xddc/0x1a18 [ 213.389003][ T6743] get_tree_bdev+0x358/0x544 [ 213.389698][ T6743] gfs2_get_tree+0x54/0x1b4 [ 213.390333][ T6743] vfs_get_tree+0x90/0x274 [ 213.390972][ T6743] do_new_mount+0x228/0x810 [ 213.391633][ T6743] path_mount+0x5bc/0x1008 [ 213.392274][ T6743] __arm64_sys_mount+0x514/0x5f0 [ 213.392991][ T6743] invoke_syscall+0x98/0x2b0 [ 213.393702][ T6743] el0_svc_common+0x138/0x258 [ 213.394424][ T6743] do_el0_svc+0x58/0x13c [ 213.395086][ T6743] el0_svc+0x78/0x1d0 [ 213.395663][ T6743] el0t_64_sync_handler+0xcc/0xe4 [ 213.396392][ T6743] el0t_64_sync+0x1a0/0x1a4 [ 213.399727][ T6743] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.401626][ T6743] gfs2: fsid=}: error -17 adding sysfs files [ 213.647167][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.648415][ T6746] CPU: 0 PID: 6746 Comm: syz.1.596 Not tainted syzkaller #0 [ 213.649397][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.650804][ T6746] Call trace: [ 213.651247][ T6746] dump_backtrace+0x0/0x458 [ 213.651954][ T6746] show_stack+0x2c/0x3c [ 213.652560][ T6746] __dump_stack+0x30/0x40 [ 213.653163][ T6746] dump_stack_lvl+0xf4/0x15c [ 213.653974][ T6746] dump_stack+0x1c/0x5c [ 213.654566][ T6746] sysfs_create_dir_ns+0x244/0x264 [ 213.655291][ T6746] kobject_add_internal+0x5ac/0xc3c [ 213.656035][ T6746] kobject_init_and_add+0x124/0x190 [ 213.656808][ T6746] gfs2_sys_fs_add+0x200/0x41c [ 213.657513][ T6746] gfs2_fill_super+0xddc/0x1a18 [ 213.658162][ T6746] get_tree_bdev+0x358/0x544 [ 213.658861][ T6746] gfs2_get_tree+0x54/0x1b4 [ 213.659511][ T6746] vfs_get_tree+0x90/0x274 [ 213.660194][ T6746] do_new_mount+0x228/0x810 [ 213.660814][ T6746] path_mount+0x5bc/0x1008 [ 213.661471][ T6746] __arm64_sys_mount+0x514/0x5f0 [ 213.662187][ T6746] invoke_syscall+0x98/0x2b0 [ 213.662871][ T6746] el0_svc_common+0x138/0x258 [ 213.663544][ T6746] do_el0_svc+0x58/0x13c [ 213.664160][ T6746] el0_svc+0x78/0x1d0 [ 213.664747][ T6746] el0t_64_sync_handler+0xcc/0xe4 [ 213.665502][ T6746] el0t_64_sync+0x1a0/0x1a4 [ 213.667004][ T6746] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.668774][ T6746] gfs2: fsid=}: error -17 adding sysfs files [ 213.844362][ T6749] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.845523][ T6749] CPU: 0 PID: 6749 Comm: syz.1.597 Not tainted syzkaller #0 [ 213.846534][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.847997][ T6749] Call trace: [ 213.848455][ T6749] dump_backtrace+0x0/0x458 [ 213.849110][ T6749] show_stack+0x2c/0x3c [ 213.849679][ T6749] __dump_stack+0x30/0x40 [ 213.850343][ T6749] dump_stack_lvl+0xf4/0x15c [ 213.850980][ T6749] dump_stack+0x1c/0x5c [ 213.851545][ T6749] sysfs_create_dir_ns+0x244/0x264 [ 213.852324][ T6749] kobject_add_internal+0x5ac/0xc3c [ 213.853040][ T6749] kobject_init_and_add+0x124/0x190 [ 213.853741][ T6749] gfs2_sys_fs_add+0x200/0x41c [ 213.854455][ T6749] gfs2_fill_super+0xddc/0x1a18 [ 213.855153][ T6749] get_tree_bdev+0x358/0x544 [ 213.855792][ T6749] gfs2_get_tree+0x54/0x1b4 [ 213.856431][ T6749] vfs_get_tree+0x90/0x274 [ 213.857074][ T6749] do_new_mount+0x228/0x810 [ 213.857755][ T6749] path_mount+0x5bc/0x1008 [ 213.858412][ T6749] __arm64_sys_mount+0x514/0x5f0 [ 213.859181][ T6749] invoke_syscall+0x98/0x2b0 [ 213.859857][ T6749] el0_svc_common+0x138/0x258 [ 213.860538][ T6749] do_el0_svc+0x58/0x13c [ 213.861112][ T6749] el0_svc+0x78/0x1d0 [ 213.861722][ T6749] el0t_64_sync_handler+0xcc/0xe4 [ 213.862443][ T6749] el0t_64_sync+0x1a0/0x1a4 [ 213.863343][ T6749] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.865217][ T6749] gfs2: fsid=}: error -17 adding sysfs files [ 214.113673][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.114796][ T6752] CPU: 0 PID: 6752 Comm: syz.1.598 Not tainted syzkaller #0 [ 214.115838][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.117329][ T6752] Call trace: [ 214.117845][ T6752] dump_backtrace+0x0/0x458 [ 214.118453][ T6752] show_stack+0x2c/0x3c [ 214.119030][ T6752] __dump_stack+0x30/0x40 [ 214.119576][ T6752] dump_stack_lvl+0xf4/0x15c [ 214.120199][ T6752] dump_stack+0x1c/0x5c [ 214.120741][ T6752] sysfs_create_dir_ns+0x244/0x264 [ 214.121447][ T6752] kobject_add_internal+0x5ac/0xc3c [ 214.122167][ T6752] kobject_init_and_add+0x124/0x190 [ 214.122924][ T6752] gfs2_sys_fs_add+0x200/0x41c [ 214.123614][ T6752] gfs2_fill_super+0xddc/0x1a18 [ 214.124363][ T6752] get_tree_bdev+0x358/0x544 [ 214.124969][ T6752] gfs2_get_tree+0x54/0x1b4 [ 214.125720][ T6752] vfs_get_tree+0x90/0x274 [ 214.126357][ T6752] do_new_mount+0x228/0x810 [ 214.126974][ T6752] path_mount+0x5bc/0x1008 [ 214.127601][ T6752] __arm64_sys_mount+0x514/0x5f0 [ 214.128309][ T6752] invoke_syscall+0x98/0x2b0 [ 214.128975][ T6752] el0_svc_common+0x138/0x258 [ 214.129633][ T6752] do_el0_svc+0x58/0x13c [ 214.130273][ T6752] el0_svc+0x78/0x1d0 [ 214.130823][ T6752] el0t_64_sync_handler+0xcc/0xe4 [ 214.131571][ T6752] el0t_64_sync+0x1a0/0x1a4 [ 214.133084][ T6752] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.135064][ T6752] gfs2: fsid=}: error -17 adding sysfs files [ 214.354442][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.355900][ T6755] CPU: 1 PID: 6755 Comm: syz.1.599 Not tainted syzkaller #0 [ 214.356919][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.358370][ T6755] Call trace: [ 214.358814][ T6755] dump_backtrace+0x0/0x458 [ 214.359447][ T6755] show_stack+0x2c/0x3c [ 214.360056][ T6755] __dump_stack+0x30/0x40 [ 214.360624][ T6755] dump_stack_lvl+0xf4/0x15c [ 214.361324][ T6755] dump_stack+0x1c/0x5c [ 214.361921][ T6755] sysfs_create_dir_ns+0x244/0x264 [ 214.362644][ T6755] kobject_add_internal+0x5ac/0xc3c [ 214.363343][ T6755] kobject_init_and_add+0x124/0x190 [ 214.364057][ T6755] gfs2_sys_fs_add+0x200/0x41c [ 214.364845][ T6755] gfs2_fill_super+0xddc/0x1a18 [ 214.365518][ T6755] get_tree_bdev+0x358/0x544 [ 214.366145][ T6755] gfs2_get_tree+0x54/0x1b4 [ 214.366794][ T6755] vfs_get_tree+0x90/0x274 [ 214.367405][ T6755] do_new_mount+0x228/0x810 [ 214.368100][ T6755] path_mount+0x5bc/0x1008 [ 214.368784][ T6755] __arm64_sys_mount+0x514/0x5f0 [ 214.369574][ T6755] invoke_syscall+0x98/0x2b0 [ 214.370280][ T6755] el0_svc_common+0x138/0x258 [ 214.370922][ T6755] do_el0_svc+0x58/0x13c [ 214.371574][ T6755] el0_svc+0x78/0x1d0 [ 214.372166][ T6755] el0t_64_sync_handler+0xcc/0xe4 [ 214.372925][ T6755] el0t_64_sync+0x1a0/0x1a4 [ 214.373752][ T6755] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.375663][ T6755] gfs2: fsid=}: error -17 adding sysfs files [ 214.584955][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.586040][ T6758] CPU: 0 PID: 6758 Comm: syz.1.600 Not tainted syzkaller #0 [ 214.587196][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.588671][ T6758] Call trace: [ 214.589149][ T6758] dump_backtrace+0x0/0x458 [ 214.589836][ T6758] show_stack+0x2c/0x3c [ 214.590533][ T6758] __dump_stack+0x30/0x40 [ 214.591199][ T6758] dump_stack_lvl+0xf4/0x15c [ 214.591852][ T6758] dump_stack+0x1c/0x5c [ 214.592459][ T6758] sysfs_create_dir_ns+0x244/0x264 [ 214.593220][ T6758] kobject_add_internal+0x5ac/0xc3c [ 214.593961][ T6758] kobject_init_and_add+0x124/0x190 [ 214.594742][ T6758] gfs2_sys_fs_add+0x200/0x41c [ 214.595551][ T6758] gfs2_fill_super+0xddc/0x1a18 [ 214.596356][ T6758] get_tree_bdev+0x358/0x544 [ 214.597081][ T6758] gfs2_get_tree+0x54/0x1b4 [ 214.597836][ T6758] vfs_get_tree+0x90/0x274 [ 214.598503][ T6758] do_new_mount+0x228/0x810 [ 214.599160][ T6758] path_mount+0x5bc/0x1008 [ 214.599784][ T6758] __arm64_sys_mount+0x514/0x5f0 [ 214.600559][ T6758] invoke_syscall+0x98/0x2b0 [ 214.601221][ T6758] el0_svc_common+0x138/0x258 [ 214.601936][ T6758] do_el0_svc+0x58/0x13c [ 214.602561][ T6758] el0_svc+0x78/0x1d0 [ 214.603189][ T6758] el0t_64_sync_handler+0xcc/0xe4 [ 214.603916][ T6758] el0t_64_sync+0x1a0/0x1a4 [ 214.606059][ T6758] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.607838][ T6758] gfs2: fsid=}: error -17 adding sysfs files [ 214.749967][ T6761] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.751132][ T6761] CPU: 1 PID: 6761 Comm: syz.1.601 Not tainted syzkaller #0 [ 214.752162][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.753692][ T6761] Call trace: [ 214.754197][ T6761] dump_backtrace+0x0/0x458 [ 214.754889][ T6761] show_stack+0x2c/0x3c [ 214.755517][ T6761] __dump_stack+0x30/0x40 [ 214.756097][ T6761] dump_stack_lvl+0xf4/0x15c [ 214.756763][ T6761] dump_stack+0x1c/0x5c [ 214.757415][ T6761] sysfs_create_dir_ns+0x244/0x264 [ 214.758282][ T6761] kobject_add_internal+0x5ac/0xc3c [ 214.759093][ T6761] kobject_init_and_add+0x124/0x190 [ 214.759904][ T6761] gfs2_sys_fs_add+0x200/0x41c [ 214.760601][ T6761] gfs2_fill_super+0xddc/0x1a18 [ 214.761363][ T6761] get_tree_bdev+0x358/0x544 [ 214.762055][ T6761] gfs2_get_tree+0x54/0x1b4 [ 214.762723][ T6761] vfs_get_tree+0x90/0x274 [ 214.763415][ T6761] do_new_mount+0x228/0x810 [ 214.764146][ T6761] path_mount+0x5bc/0x1008 [ 214.764788][ T6761] __arm64_sys_mount+0x514/0x5f0 [ 214.765523][ T6761] invoke_syscall+0x98/0x2b0 [ 214.766226][ T6761] el0_svc_common+0x138/0x258 [ 214.767063][ T6761] do_el0_svc+0x58/0x13c [ 214.767788][ T6761] el0_svc+0x78/0x1d0 [ 214.768426][ T6761] el0t_64_sync_handler+0xcc/0xe4 [ 214.769235][ T6761] el0t_64_sync+0x1a0/0x1a4 [ 214.771277][ T6761] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.773225][ T6761] gfs2: fsid=}: error -17 adding sysfs files [ 214.913265][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.914552][ T6764] CPU: 1 PID: 6764 Comm: syz.1.602 Not tainted syzkaller #0 [ 214.915597][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.917126][ T6764] Call trace: [ 214.917568][ T6764] dump_backtrace+0x0/0x458 [ 214.918221][ T6764] show_stack+0x2c/0x3c [ 214.918808][ T6764] __dump_stack+0x30/0x40 [ 214.919442][ T6764] dump_stack_lvl+0xf4/0x15c [ 214.920084][ T6764] dump_stack+0x1c/0x5c [ 214.920689][ T6764] sysfs_create_dir_ns+0x244/0x264 [ 214.921421][ T6764] kobject_add_internal+0x5ac/0xc3c [ 214.922154][ T6764] kobject_init_and_add+0x124/0x190 [ 214.922915][ T6764] gfs2_sys_fs_add+0x200/0x41c [ 214.923759][ T6764] gfs2_fill_super+0xddc/0x1a18 [ 214.924572][ T6764] get_tree_bdev+0x358/0x544 [ 214.925381][ T6764] gfs2_get_tree+0x54/0x1b4 [ 214.926158][ T6764] vfs_get_tree+0x90/0x274 [ 214.926836][ T6764] do_new_mount+0x228/0x810 [ 214.927526][ T6764] path_mount+0x5bc/0x1008 [ 214.928193][ T6764] __arm64_sys_mount+0x514/0x5f0 [ 214.928947][ T6764] invoke_syscall+0x98/0x2b0 [ 214.929645][ T6764] el0_svc_common+0x138/0x258 [ 214.930319][ T6764] do_el0_svc+0x58/0x13c [ 214.930924][ T6764] el0_svc+0x78/0x1d0 [ 214.931567][ T6764] el0t_64_sync_handler+0xcc/0xe4 [ 214.932412][ T6764] el0t_64_sync+0x1a0/0x1a4 [ 214.934710][ T6764] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.936472][ T6764] gfs2: fsid=}: error -17 adding sysfs files [ 215.063899][ T4168] Bluetooth: hci1: command 0x0406 tx timeout [ 215.113873][ T6767] set_capacity_and_notify: 14 callbacks suppressed [ 215.113883][ T6767] loop1: detected capacity change from 0 to 32768 [ 215.164362][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.165746][ T6767] CPU: 1 PID: 6767 Comm: syz.1.603 Not tainted syzkaller #0 [ 215.166829][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.168390][ T6767] Call trace: [ 215.168861][ T6767] dump_backtrace+0x0/0x458 [ 215.169531][ T6767] show_stack+0x2c/0x3c [ 215.170070][ T6767] __dump_stack+0x30/0x40 [ 215.170706][ T6767] dump_stack_lvl+0xf4/0x15c [ 215.171329][ T6767] dump_stack+0x1c/0x5c [ 215.171879][ T6767] sysfs_create_dir_ns+0x244/0x264 [ 215.172585][ T6767] kobject_add_internal+0x5ac/0xc3c [ 215.173370][ T6767] kobject_init_and_add+0x124/0x190 [ 215.174126][ T6767] gfs2_sys_fs_add+0x200/0x41c [ 215.174835][ T6767] gfs2_fill_super+0xddc/0x1a18 [ 215.175551][ T6767] get_tree_bdev+0x358/0x544 [ 215.176193][ T6767] gfs2_get_tree+0x54/0x1b4 [ 215.176869][ T6767] vfs_get_tree+0x90/0x274 [ 215.177522][ T6767] do_new_mount+0x228/0x810 [ 215.178175][ T6767] path_mount+0x5bc/0x1008 [ 215.178883][ T6767] __arm64_sys_mount+0x514/0x5f0 [ 215.179624][ T6767] invoke_syscall+0x98/0x2b0 [ 215.180324][ T6767] el0_svc_common+0x138/0x258 [ 215.181029][ T6767] do_el0_svc+0x58/0x13c [ 215.181630][ T6767] el0_svc+0x78/0x1d0 [ 215.182202][ T6767] el0t_64_sync_handler+0xcc/0xe4 [ 215.182913][ T6767] el0t_64_sync+0x1a0/0x1a4 [ 215.184913][ T6767] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.186723][ T6767] gfs2: fsid=}: error -17 adding sysfs files [ 215.320625][ T6770] loop1: detected capacity change from 0 to 32768 [ 215.328950][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.330026][ T6770] CPU: 0 PID: 6770 Comm: syz.1.604 Not tainted syzkaller #0 [ 215.331197][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.332818][ T6770] Call trace: [ 215.333339][ T6770] dump_backtrace+0x0/0x458 [ 215.333987][ T6770] show_stack+0x2c/0x3c [ 215.334602][ T6770] __dump_stack+0x30/0x40 [ 215.335189][ T6770] dump_stack_lvl+0xf4/0x15c [ 215.335841][ T6770] dump_stack+0x1c/0x5c [ 215.336383][ T6770] sysfs_create_dir_ns+0x244/0x264 [ 215.337143][ T6770] kobject_add_internal+0x5ac/0xc3c [ 215.337949][ T6770] kobject_init_and_add+0x124/0x190 [ 215.338726][ T6770] gfs2_sys_fs_add+0x200/0x41c [ 215.339408][ T6770] gfs2_fill_super+0xddc/0x1a18 [ 215.340123][ T6770] get_tree_bdev+0x358/0x544 [ 215.340759][ T6770] gfs2_get_tree+0x54/0x1b4 [ 215.341421][ T6770] vfs_get_tree+0x90/0x274 [ 215.342099][ T6770] do_new_mount+0x228/0x810 [ 215.342826][ T6770] path_mount+0x5bc/0x1008 [ 215.343475][ T6770] __arm64_sys_mount+0x514/0x5f0 [ 215.344208][ T6770] invoke_syscall+0x98/0x2b0 [ 215.344872][ T6770] el0_svc_common+0x138/0x258 [ 215.345629][ T6770] do_el0_svc+0x58/0x13c [ 215.346329][ T6770] el0_svc+0x78/0x1d0 [ 215.346937][ T6770] el0t_64_sync_handler+0xcc/0xe4 [ 215.347684][ T6770] el0t_64_sync+0x1a0/0x1a4 [ 215.349888][ T6770] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.351762][ T6770] gfs2: fsid=}: error -17 adding sysfs files [ 215.481979][ T6773] loop1: detected capacity change from 0 to 32768 [ 215.489757][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.490840][ T6773] CPU: 0 PID: 6773 Comm: syz.1.605 Not tainted syzkaller #0 [ 215.491932][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.493441][ T6773] Call trace: [ 215.493913][ T6773] dump_backtrace+0x0/0x458 [ 215.494601][ T6773] show_stack+0x2c/0x3c [ 215.495196][ T6773] __dump_stack+0x30/0x40 [ 215.495858][ T6773] dump_stack_lvl+0xf4/0x15c [ 215.496524][ T6773] dump_stack+0x1c/0x5c [ 215.497088][ T6773] sysfs_create_dir_ns+0x244/0x264 [ 215.497854][ T6773] kobject_add_internal+0x5ac/0xc3c [ 215.498616][ T6773] kobject_init_and_add+0x124/0x190 [ 215.499440][ T6773] gfs2_sys_fs_add+0x200/0x41c [ 215.500159][ T6773] gfs2_fill_super+0xddc/0x1a18 [ 215.500845][ T6773] get_tree_bdev+0x358/0x544 [ 215.501529][ T6773] gfs2_get_tree+0x54/0x1b4 [ 215.502243][ T6773] vfs_get_tree+0x90/0x274 [ 215.502915][ T6773] do_new_mount+0x228/0x810 [ 215.503565][ T6773] path_mount+0x5bc/0x1008 [ 215.504262][ T6773] __arm64_sys_mount+0x514/0x5f0 [ 215.505145][ T6773] invoke_syscall+0x98/0x2b0 [ 215.505849][ T6773] el0_svc_common+0x138/0x258 [ 215.506616][ T6773] do_el0_svc+0x58/0x13c [ 215.507318][ T6773] el0_svc+0x78/0x1d0 [ 215.507917][ T6773] el0t_64_sync_handler+0xcc/0xe4 [ 215.508794][ T6773] el0t_64_sync+0x1a0/0x1a4 [ 215.510919][ T6773] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.512645][ T6773] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 592 [ 215.645763][ T6776] loop1: detected capacity change from 0 to 32768 [ 215.695086][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.696235][ T6776] CPU: 1 PID: 6776 Comm: syz.1.606 Not tainted syzkaller #0 [ 215.697270][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.698702][ T6776] Call trace: [ 215.699151][ T6776] dump_backtrace+0x0/0x458 [ 215.699849][ T6776] show_stack+0x2c/0x3c [ 215.700416][ T6776] __dump_stack+0x30/0x40 [ 215.700979][ T6776] dump_stack_lvl+0xf4/0x15c [ 215.701650][ T6776] dump_stack+0x1c/0x5c [ 215.702258][ T6776] sysfs_create_dir_ns+0x244/0x264 [ 215.702972][ T6776] kobject_add_internal+0x5ac/0xc3c [ 215.703752][ T6776] kobject_init_and_add+0x124/0x190 [ 215.704470][ T6776] gfs2_sys_fs_add+0x200/0x41c [ 215.705171][ T6776] gfs2_fill_super+0xddc/0x1a18 [ 215.705872][ T6776] get_tree_bdev+0x358/0x544 [ 215.706541][ T6776] gfs2_get_tree+0x54/0x1b4 [ 215.707207][ T6776] vfs_get_tree+0x90/0x274 [ 215.707870][ T6776] do_new_mount+0x228/0x810 [ 215.708507][ T6776] path_mount+0x5bc/0x1008 [ 215.709157][ T6776] __arm64_sys_mount+0x514/0x5f0 [ 215.709949][ T6776] invoke_syscall+0x98/0x2b0 [ 215.710647][ T6776] el0_svc_common+0x138/0x258 [ 215.711337][ T6776] do_el0_svc+0x58/0x13c [ 215.711974][ T6776] el0_svc+0x78/0x1d0 [ 215.712523][ T6776] el0t_64_sync_handler+0xcc/0xe4 [ 215.713269][ T6776] el0t_64_sync+0x1a0/0x1a4 [ 215.714155][ T6776] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.716066][ T6776] gfs2: fsid=}: error -17 adding sysfs files [ 215.892409][ T6779] loop1: detected capacity change from 0 to 32768 [ 215.899799][ T6779] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.900931][ T6779] CPU: 0 PID: 6779 Comm: syz.1.607 Not tainted syzkaller #0 [ 215.902079][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.903594][ T6779] Call trace: [ 215.904121][ T6779] dump_backtrace+0x0/0x458 [ 215.904803][ T6779] show_stack+0x2c/0x3c [ 215.905418][ T6779] __dump_stack+0x30/0x40 [ 215.906059][ T6779] dump_stack_lvl+0xf4/0x15c [ 215.906740][ T6779] dump_stack+0x1c/0x5c [ 215.907333][ T6779] sysfs_create_dir_ns+0x244/0x264 [ 215.908067][ T6779] kobject_add_internal+0x5ac/0xc3c [ 215.908843][ T6779] kobject_init_and_add+0x124/0x190 [ 215.909645][ T6779] gfs2_sys_fs_add+0x200/0x41c [ 215.910348][ T6779] gfs2_fill_super+0xddc/0x1a18 [ 215.911049][ T6779] get_tree_bdev+0x358/0x544 [ 215.911693][ T6779] gfs2_get_tree+0x54/0x1b4 [ 215.912358][ T6779] vfs_get_tree+0x90/0x274 [ 215.912984][ T6779] do_new_mount+0x228/0x810 [ 215.913651][ T6779] path_mount+0x5bc/0x1008 [ 215.914329][ T6779] __arm64_sys_mount+0x514/0x5f0 [ 215.915080][ T6779] invoke_syscall+0x98/0x2b0 [ 215.915760][ T6779] el0_svc_common+0x138/0x258 [ 215.916441][ T6779] do_el0_svc+0x58/0x13c [ 215.917050][ T6779] el0_svc+0x78/0x1d0 [ 215.917660][ T6779] el0t_64_sync_handler+0xcc/0xe4 [ 215.918482][ T6779] el0t_64_sync+0x1a0/0x1a4 [ 215.920330][ T6779] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.922083][ T6779] gfs2: fsid=}: error -17 adding sysfs files [ 216.052730][ T6782] loop1: detected capacity change from 0 to 32768 [ 216.060478][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.061643][ T6782] CPU: 1 PID: 6782 Comm: syz.1.608 Not tainted syzkaller #0 [ 216.062703][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.064180][ T6782] Call trace: [ 216.064656][ T6782] dump_backtrace+0x0/0x458 [ 216.065299][ T6782] show_stack+0x2c/0x3c [ 216.065856][ T6782] __dump_stack+0x30/0x40 [ 216.066600][ T6782] dump_stack_lvl+0xf4/0x15c [ 216.067376][ T6782] dump_stack+0x1c/0x5c [ 216.068042][ T6782] sysfs_create_dir_ns+0x244/0x264 [ 216.068841][ T6782] kobject_add_internal+0x5ac/0xc3c [ 216.069616][ T6782] kobject_init_and_add+0x124/0x190 [ 216.070346][ T6782] gfs2_sys_fs_add+0x200/0x41c [ 216.071061][ T6782] gfs2_fill_super+0xddc/0x1a18 [ 216.071804][ T6782] get_tree_bdev+0x358/0x544 [ 216.072440][ T6782] gfs2_get_tree+0x54/0x1b4 [ 216.073085][ T6782] vfs_get_tree+0x90/0x274 [ 216.073765][ T6782] do_new_mount+0x228/0x810 [ 216.074398][ T6782] path_mount+0x5bc/0x1008 [ 216.075082][ T6782] __arm64_sys_mount+0x514/0x5f0 [ 216.075798][ T6782] invoke_syscall+0x98/0x2b0 [ 216.076500][ T6782] el0_svc_common+0x138/0x258 [ 216.077196][ T6782] do_el0_svc+0x58/0x13c [ 216.077816][ T6782] el0_svc+0x78/0x1d0 [ 216.078370][ T6782] el0t_64_sync_handler+0xcc/0xe4 [ 216.079147][ T6782] el0t_64_sync+0x1a0/0x1a4 [ 216.082261][ T6782] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.084274][ T6782] gfs2: fsid=}: error -17 adding sysfs files [ 216.211484][ T6785] loop1: detected capacity change from 0 to 32768 [ 216.244579][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.245628][ T6785] CPU: 0 PID: 6785 Comm: syz.1.609 Not tainted syzkaller #0 [ 216.246670][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.248010][ T6785] Call trace: [ 216.248510][ T6785] dump_backtrace+0x0/0x458 [ 216.249196][ T6785] show_stack+0x2c/0x3c [ 216.249843][ T6785] __dump_stack+0x30/0x40 [ 216.250481][ T6785] dump_stack_lvl+0xf4/0x15c [ 216.251142][ T6785] dump_stack+0x1c/0x5c [ 216.251751][ T6785] sysfs_create_dir_ns+0x244/0x264 [ 216.252507][ T6785] kobject_add_internal+0x5ac/0xc3c [ 216.253308][ T6785] kobject_init_and_add+0x124/0x190 [ 216.254111][ T6785] gfs2_sys_fs_add+0x200/0x41c [ 216.254839][ T6785] gfs2_fill_super+0xddc/0x1a18 [ 216.255578][ T6785] get_tree_bdev+0x358/0x544 [ 216.256251][ T6785] gfs2_get_tree+0x54/0x1b4 [ 216.256937][ T6785] vfs_get_tree+0x90/0x274 [ 216.257574][ T6785] do_new_mount+0x228/0x810 [ 216.258247][ T6785] path_mount+0x5bc/0x1008 [ 216.258901][ T6785] __arm64_sys_mount+0x514/0x5f0 [ 216.259711][ T6785] invoke_syscall+0x98/0x2b0 [ 216.260426][ T6785] el0_svc_common+0x138/0x258 [ 216.261130][ T6785] do_el0_svc+0x58/0x13c [ 216.261737][ T6785] el0_svc+0x78/0x1d0 [ 216.262316][ T6785] el0t_64_sync_handler+0xcc/0xe4 [ 216.263048][ T6785] el0t_64_sync+0x1a0/0x1a4 [ 216.264440][ T6785] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.266379][ T6785] gfs2: fsid=}: error -17 adding sysfs files [ 216.421805][ T6788] loop1: detected capacity change from 0 to 32768 [ 216.484344][ T6788] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.485404][ T6788] CPU: 0 PID: 6788 Comm: syz.1.610 Not tainted syzkaller #0 [ 216.486322][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.487707][ T6788] Call trace: [ 216.488167][ T6788] dump_backtrace+0x0/0x458 [ 216.488851][ T6788] show_stack+0x2c/0x3c [ 216.489416][ T6788] __dump_stack+0x30/0x40 [ 216.490085][ T6788] dump_stack_lvl+0xf4/0x15c [ 216.490749][ T6788] dump_stack+0x1c/0x5c [ 216.491339][ T6788] sysfs_create_dir_ns+0x244/0x264 [ 216.492065][ T6788] kobject_add_internal+0x5ac/0xc3c [ 216.492770][ T6788] kobject_init_and_add+0x124/0x190 [ 216.493514][ T6788] gfs2_sys_fs_add+0x200/0x41c [ 216.494206][ T6788] gfs2_fill_super+0xddc/0x1a18 [ 216.494932][ T6788] get_tree_bdev+0x358/0x544 [ 216.495642][ T6788] gfs2_get_tree+0x54/0x1b4 [ 216.496275][ T6788] vfs_get_tree+0x90/0x274 [ 216.496882][ T6788] do_new_mount+0x228/0x810 [ 216.497507][ T6788] path_mount+0x5bc/0x1008 [ 216.498129][ T6788] __arm64_sys_mount+0x514/0x5f0 [ 216.498790][ T6788] invoke_syscall+0x98/0x2b0 [ 216.499563][ T6788] el0_svc_common+0x138/0x258 [ 216.500274][ T6788] do_el0_svc+0x58/0x13c [ 216.500929][ T6788] el0_svc+0x78/0x1d0 [ 216.501604][ T6788] el0t_64_sync_handler+0xcc/0xe4 [ 216.502357][ T6788] el0t_64_sync+0x1a0/0x1a4 [ 216.504208][ T6788] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.505997][ T6788] gfs2: fsid=}: error -17 adding sysfs files [ 216.735227][ T6791] loop1: detected capacity change from 0 to 32768 [ 216.789076][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.790236][ T6791] CPU: 0 PID: 6791 Comm: syz.1.611 Not tainted syzkaller #0 [ 216.791312][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.792802][ T6791] Call trace: [ 216.793299][ T6791] dump_backtrace+0x0/0x458 [ 216.793949][ T6791] show_stack+0x2c/0x3c [ 216.794589][ T6791] __dump_stack+0x30/0x40 [ 216.795182][ T6791] dump_stack_lvl+0xf4/0x15c [ 216.795860][ T6791] dump_stack+0x1c/0x5c [ 216.796495][ T6791] sysfs_create_dir_ns+0x244/0x264 [ 216.797219][ T6791] kobject_add_internal+0x5ac/0xc3c [ 216.797994][ T6791] kobject_init_and_add+0x124/0x190 [ 216.798754][ T6791] gfs2_sys_fs_add+0x200/0x41c [ 216.799439][ T6791] gfs2_fill_super+0xddc/0x1a18 [ 216.800111][ T6791] get_tree_bdev+0x358/0x544 [ 216.800780][ T6791] gfs2_get_tree+0x54/0x1b4 [ 216.801441][ T6791] vfs_get_tree+0x90/0x274 [ 216.802024][ T6791] do_new_mount+0x228/0x810 [ 216.802690][ T6791] path_mount+0x5bc/0x1008 [ 216.803343][ T6791] __arm64_sys_mount+0x514/0x5f0 [ 216.804030][ T6791] invoke_syscall+0x98/0x2b0 [ 216.804725][ T6791] el0_svc_common+0x138/0x258 [ 216.805444][ T6791] do_el0_svc+0x58/0x13c [ 216.806073][ T6791] el0_svc+0x78/0x1d0 [ 216.806667][ T6791] el0t_64_sync_handler+0xcc/0xe4 [ 216.807474][ T6791] el0t_64_sync+0x1a0/0x1a4 [ 216.810389][ T6791] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.812243][ T6791] gfs2: fsid=}: error -17 adding sysfs files [ 216.945409][ T6794] loop1: detected capacity change from 0 to 32768 [ 216.952371][ T6794] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.953574][ T6794] CPU: 1 PID: 6794 Comm: syz.1.612 Not tainted syzkaller #0 [ 216.954626][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.956074][ T6794] Call trace: [ 216.956494][ T6794] dump_backtrace+0x0/0x458 [ 216.957123][ T6794] show_stack+0x2c/0x3c [ 216.957683][ T6794] __dump_stack+0x30/0x40 [ 216.958318][ T6794] dump_stack_lvl+0xf4/0x15c [ 216.958961][ T6794] dump_stack+0x1c/0x5c [ 216.959586][ T6794] sysfs_create_dir_ns+0x244/0x264 [ 216.960326][ T6794] kobject_add_internal+0x5ac/0xc3c [ 216.961143][ T6794] kobject_init_and_add+0x124/0x190 [ 216.961913][ T6794] gfs2_sys_fs_add+0x200/0x41c [ 216.962606][ T6794] gfs2_fill_super+0xddc/0x1a18 [ 216.963333][ T6794] get_tree_bdev+0x358/0x544 [ 216.963990][ T6794] gfs2_get_tree+0x54/0x1b4 [ 216.964655][ T6794] vfs_get_tree+0x90/0x274 [ 216.965278][ T6794] do_new_mount+0x228/0x810 [ 216.965950][ T6794] path_mount+0x5bc/0x1008 [ 216.966563][ T6794] __arm64_sys_mount+0x514/0x5f0 [ 216.967272][ T6794] invoke_syscall+0x98/0x2b0 [ 216.967960][ T6794] el0_svc_common+0x138/0x258 [ 216.968647][ T6794] do_el0_svc+0x58/0x13c [ 216.969342][ T6794] el0_svc+0x78/0x1d0 [ 216.969886][ T6794] el0t_64_sync_handler+0xcc/0xe4 [ 216.970650][ T6794] el0t_64_sync+0x1a0/0x1a4 [ 216.972579][ T6794] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.974808][ T6794] gfs2: fsid=}: error -17 adding sysfs files [ 217.119616][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.120825][ T6797] CPU: 0 PID: 6797 Comm: syz.1.613 Not tainted syzkaller #0 [ 217.121827][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.123343][ T6797] Call trace: [ 217.123799][ T6797] dump_backtrace+0x0/0x458 [ 217.124619][ T6797] show_stack+0x2c/0x3c [ 217.125331][ T6797] __dump_stack+0x30/0x40 [ 217.126034][ T6797] dump_stack_lvl+0xf4/0x15c [ 217.126710][ T6797] dump_stack+0x1c/0x5c [ 217.127290][ T6797] sysfs_create_dir_ns+0x244/0x264 [ 217.128109][ T6797] kobject_add_internal+0x5ac/0xc3c [ 217.128888][ T6797] kobject_init_and_add+0x124/0x190 [ 217.129729][ T6797] gfs2_sys_fs_add+0x200/0x41c [ 217.130416][ T6797] gfs2_fill_super+0xddc/0x1a18 [ 217.131010][ T6797] get_tree_bdev+0x358/0x544 [ 217.131690][ T6797] gfs2_get_tree+0x54/0x1b4 [ 217.132346][ T6797] vfs_get_tree+0x90/0x274 [ 217.132976][ T6797] do_new_mount+0x228/0x810 [ 217.133644][ T6797] path_mount+0x5bc/0x1008 [ 217.134319][ T6797] __arm64_sys_mount+0x514/0x5f0 [ 217.135083][ T6797] invoke_syscall+0x98/0x2b0 [ 217.135768][ T6797] el0_svc_common+0x138/0x258 [ 217.136489][ T6797] do_el0_svc+0x58/0x13c [ 217.137139][ T6797] el0_svc+0x78/0x1d0 [ 217.137738][ T6797] el0t_64_sync_handler+0xcc/0xe4 [ 217.138469][ T6797] el0t_64_sync+0x1a0/0x1a4 [ 217.142164][ T6797] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.144273][ T6797] gfs2: fsid=}: error -17 adding sysfs files [ 217.363180][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.364312][ T6800] CPU: 0 PID: 6800 Comm: syz.1.614 Not tainted syzkaller #0 [ 217.365401][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.366919][ T6800] Call trace: [ 217.367412][ T6800] dump_backtrace+0x0/0x458 [ 217.368052][ T6800] show_stack+0x2c/0x3c [ 217.368621][ T6800] __dump_stack+0x30/0x40 [ 217.369276][ T6800] dump_stack_lvl+0xf4/0x15c [ 217.369990][ T6800] dump_stack+0x1c/0x5c [ 217.370607][ T6800] sysfs_create_dir_ns+0x244/0x264 [ 217.371393][ T6800] kobject_add_internal+0x5ac/0xc3c [ 217.372136][ T6800] kobject_init_and_add+0x124/0x190 [ 217.372882][ T6800] gfs2_sys_fs_add+0x200/0x41c [ 217.373613][ T6800] gfs2_fill_super+0xddc/0x1a18 [ 217.374333][ T6800] get_tree_bdev+0x358/0x544 [ 217.375052][ T6800] gfs2_get_tree+0x54/0x1b4 [ 217.375716][ T6800] vfs_get_tree+0x90/0x274 [ 217.376374][ T6800] do_new_mount+0x228/0x810 [ 217.377055][ T6800] path_mount+0x5bc/0x1008 [ 217.377682][ T6800] __arm64_sys_mount+0x514/0x5f0 [ 217.378402][ T6800] invoke_syscall+0x98/0x2b0 [ 217.379057][ T6800] el0_svc_common+0x138/0x258 [ 217.379722][ T6800] do_el0_svc+0x58/0x13c [ 217.380370][ T6800] el0_svc+0x78/0x1d0 [ 217.381006][ T6800] el0t_64_sync_handler+0xcc/0xe4 [ 217.381746][ T6800] el0t_64_sync+0x1a0/0x1a4 [ 217.383985][ T6800] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.385806][ T6800] gfs2: fsid=}: error -17 adding sysfs files [ 217.605556][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.606745][ T6803] CPU: 0 PID: 6803 Comm: syz.1.615 Not tainted syzkaller #0 [ 217.607745][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.609153][ T6803] Call trace: [ 217.609648][ T6803] dump_backtrace+0x0/0x458 [ 217.610277][ T6803] show_stack+0x2c/0x3c [ 217.610900][ T6803] __dump_stack+0x30/0x40 [ 217.611508][ T6803] dump_stack_lvl+0xf4/0x15c [ 217.612203][ T6803] dump_stack+0x1c/0x5c [ 217.612824][ T6803] sysfs_create_dir_ns+0x244/0x264 [ 217.613599][ T6803] kobject_add_internal+0x5ac/0xc3c [ 217.614341][ T6803] kobject_init_and_add+0x124/0x190 [ 217.615105][ T6803] gfs2_sys_fs_add+0x200/0x41c [ 217.615835][ T6803] gfs2_fill_super+0xddc/0x1a18 [ 217.616496][ T6803] get_tree_bdev+0x358/0x544 [ 217.617274][ T6803] gfs2_get_tree+0x54/0x1b4 [ 217.617932][ T6803] vfs_get_tree+0x90/0x274 [ 217.618600][ T6803] do_new_mount+0x228/0x810 [ 217.619331][ T6803] path_mount+0x5bc/0x1008 [ 217.620031][ T6803] __arm64_sys_mount+0x514/0x5f0 [ 217.620775][ T6803] invoke_syscall+0x98/0x2b0 [ 217.621428][ T6803] el0_svc_common+0x138/0x258 [ 217.622149][ T6803] do_el0_svc+0x58/0x13c [ 217.622802][ T6803] el0_svc+0x78/0x1d0 [ 217.623427][ T6803] el0t_64_sync_handler+0xcc/0xe4 [ 217.624245][ T6803] el0t_64_sync+0x1a0/0x1a4 [ 217.628688][ T6803] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.630544][ T6803] gfs2: fsid=}: error -17 adding sysfs files [ 217.910082][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.911423][ T6806] CPU: 0 PID: 6806 Comm: syz.1.616 Not tainted syzkaller #0 [ 217.912547][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.914066][ T6806] Call trace: [ 217.914568][ T6806] dump_backtrace+0x0/0x458 [ 217.915221][ T6806] show_stack+0x2c/0x3c [ 217.915829][ T6806] __dump_stack+0x30/0x40 [ 217.916474][ T6806] dump_stack_lvl+0xf4/0x15c [ 217.917211][ T6806] dump_stack+0x1c/0x5c [ 217.917767][ T6806] sysfs_create_dir_ns+0x244/0x264 [ 217.918518][ T6806] kobject_add_internal+0x5ac/0xc3c [ 217.919298][ T6806] kobject_init_and_add+0x124/0x190 [ 217.920061][ T6806] gfs2_sys_fs_add+0x200/0x41c [ 217.920747][ T6806] gfs2_fill_super+0xddc/0x1a18 [ 217.921479][ T6806] get_tree_bdev+0x358/0x544 [ 217.922173][ T6806] gfs2_get_tree+0x54/0x1b4 [ 217.922797][ T6806] vfs_get_tree+0x90/0x274 [ 217.923430][ T6806] do_new_mount+0x228/0x810 [ 217.924029][ T6806] path_mount+0x5bc/0x1008 [ 217.924733][ T6806] __arm64_sys_mount+0x514/0x5f0 [ 217.925504][ T6806] invoke_syscall+0x98/0x2b0 [ 217.926187][ T6806] el0_svc_common+0x138/0x258 [ 217.926915][ T6806] do_el0_svc+0x58/0x13c [ 217.927581][ T6806] el0_svc+0x78/0x1d0 [ 217.928192][ T6806] el0t_64_sync_handler+0xcc/0xe4 [ 217.928950][ T6806] el0t_64_sync+0x1a0/0x1a4 [ 217.932009][ T6806] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.933873][ T6806] gfs2: fsid=}: error -17 adding sysfs files [ 218.107376][ T6809] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.108485][ T6809] CPU: 0 PID: 6809 Comm: syz.1.617 Not tainted syzkaller #0 [ 218.109572][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.110955][ T6809] Call trace: [ 218.111391][ T6809] dump_backtrace+0x0/0x458 [ 218.112035][ T6809] show_stack+0x2c/0x3c [ 218.112641][ T6809] __dump_stack+0x30/0x40 [ 218.113318][ T6809] dump_stack_lvl+0xf4/0x15c [ 218.114002][ T6809] dump_stack+0x1c/0x5c [ 218.114598][ T6809] sysfs_create_dir_ns+0x244/0x264 [ 218.115353][ T6809] kobject_add_internal+0x5ac/0xc3c [ 218.116116][ T6809] kobject_init_and_add+0x124/0x190 [ 218.116875][ T6809] gfs2_sys_fs_add+0x200/0x41c [ 218.117620][ T6809] gfs2_fill_super+0xddc/0x1a18 [ 218.118346][ T6809] get_tree_bdev+0x358/0x544 [ 218.119033][ T6809] gfs2_get_tree+0x54/0x1b4 [ 218.119692][ T6809] vfs_get_tree+0x90/0x274 [ 218.120306][ T6809] do_new_mount+0x228/0x810 [ 218.120946][ T6809] path_mount+0x5bc/0x1008 [ 218.121580][ T6809] __arm64_sys_mount+0x514/0x5f0 [ 218.122269][ T6809] invoke_syscall+0x98/0x2b0 [ 218.122934][ T6809] el0_svc_common+0x138/0x258 [ 218.123658][ T6809] do_el0_svc+0x58/0x13c [ 218.124250][ T6809] el0_svc+0x78/0x1d0 [ 218.124869][ T6809] el0t_64_sync_handler+0xcc/0xe4 [ 218.125623][ T6809] el0t_64_sync+0x1a0/0x1a4 [ 218.127665][ T6809] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.129413][ T6809] gfs2: fsid=}: error -17 adding sysfs files [ 218.201777][ T6812] chnl_net:caif_netlink_parms(): no params data found [ 218.219593][ T6812] bridge0: port 1(bridge_slave_0) entered blocking state [ 218.220868][ T6812] bridge0: port 1(bridge_slave_0) entered disabled state [ 218.222303][ T6812] device bridge_slave_0 entered promiscuous mode [ 218.226234][ T6812] bridge0: port 2(bridge_slave_1) entered blocking state [ 218.227339][ T6812] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.228705][ T6812] device bridge_slave_1 entered promiscuous mode [ 218.236730][ T6812] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 218.239457][ T6812] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 218.247675][ T6812] team0: Port device team_slave_0 added [ 218.249458][ T6812] team0: Port device team_slave_1 added [ 218.255812][ T6812] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 218.256942][ T6812] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 218.261175][ T6812] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 218.264261][ T6812] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 218.265300][ T6812] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 218.269160][ T6812] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 218.324401][ T6812] device hsr_slave_0 entered promiscuous mode [ 218.363320][ T6812] device hsr_slave_1 entered promiscuous mode [ 218.403069][ T6812] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 218.404290][ T6812] Cannot create hsr debugfs directory [ 218.441860][ T6812] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.886920][ T6812] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 218.941000][ T6812] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 219.036534][ T6812] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 219.230119][ T6812] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 219.267463][ T6812] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 219.318533][ T6812] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 219.384169][ T6812] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 219.448031][ T6812] 8021q: adding VLAN 0 to HW filter on device bond0 [ 219.452012][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 219.453738][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 219.456343][ T6812] 8021q: adding VLAN 0 to HW filter on device team0 [ 219.458744][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 219.460284][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 219.461745][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 219.462893][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 219.464671][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 219.470197][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 219.471713][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 219.473553][ T596] bridge0: port 2(bridge_slave_1) entered blocking state [ 219.474654][ T596] bridge0: port 2(bridge_slave_1) entered forwarding state [ 219.477831][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 219.480436][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 219.484035][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 219.486071][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 219.487691][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 219.489661][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 219.491305][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 219.494459][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 219.496020][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 219.498467][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 219.499976][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 219.502557][ T6812] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 219.540237][ T6812] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 219.543304][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 219.544616][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 219.551760][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 219.553442][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 219.559453][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 219.560876][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 219.562435][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 219.564556][ T349] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 219.566781][ T6812] device veth0_vlan entered promiscuous mode [ 219.570637][ T6812] device veth1_vlan entered promiscuous mode [ 219.577472][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 219.578990][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 219.580475][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 219.581910][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 219.584593][ T6812] device veth0_macvtap entered promiscuous mode [ 219.587315][ T6812] device veth1_macvtap entered promiscuous mode [ 219.591858][ T6812] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 219.593941][ T6812] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.595581][ T6812] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 219.597162][ T6812] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.599168][ T6812] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 219.600533][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 219.602091][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 219.603539][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 219.604942][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 219.607393][ T6812] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 219.608938][ T6812] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.610384][ T6812] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 219.611863][ T6812] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 219.614031][ T6812] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 219.615159][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 219.616767][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 219.622660][ T6812] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.624621][ T6812] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.625935][ T6812] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.627232][ T6812] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 219.646594][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.648650][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 219.654644][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 219.658985][ T136] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 219.660180][ T136] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 219.661750][ T596] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 219.879206][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.880307][ T6830] CPU: 1 PID: 6830 Comm: syz.1.618 Not tainted syzkaller #0 [ 219.881406][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.882878][ T6830] Call trace: [ 219.883393][ T6830] dump_backtrace+0x0/0x458 [ 219.884113][ T6830] show_stack+0x2c/0x3c [ 219.884748][ T6830] __dump_stack+0x30/0x40 [ 219.885357][ T6830] dump_stack_lvl+0xf4/0x15c [ 219.886022][ T6830] dump_stack+0x1c/0x5c [ 219.886650][ T6830] sysfs_create_dir_ns+0x244/0x264 [ 219.887338][ T6830] kobject_add_internal+0x5ac/0xc3c [ 219.888104][ T6830] kobject_init_and_add+0x124/0x190 [ 219.888829][ T6830] gfs2_sys_fs_add+0x200/0x41c [ 219.889511][ T6830] gfs2_fill_super+0xddc/0x1a18 [ 219.890234][ T6830] get_tree_bdev+0x358/0x544 [ 219.890929][ T6830] gfs2_get_tree+0x54/0x1b4 [ 219.891622][ T6830] vfs_get_tree+0x90/0x274 [ 219.892278][ T6830] do_new_mount+0x228/0x810 [ 219.892964][ T6830] path_mount+0x5bc/0x1008 [ 219.893609][ T6830] __arm64_sys_mount+0x514/0x5f0 [ 219.894413][ T6830] invoke_syscall+0x98/0x2b0 [ 219.895085][ T6830] el0_svc_common+0x138/0x258 [ 219.895778][ T6830] do_el0_svc+0x58/0x13c [ 219.896450][ T6830] el0_svc+0x78/0x1d0 [ 219.897082][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 219.897948][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 219.899948][ T6830] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.901888][ T6830] gfs2: fsid=}: error -17 adding sysfs files [ 220.075183][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.076350][ T6833] CPU: 1 PID: 6833 Comm: syz.1.619 Not tainted syzkaller #0 [ 220.077522][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.079118][ T6833] Call trace: [ 220.079587][ T6833] dump_backtrace+0x0/0x458 [ 220.080281][ T6833] show_stack+0x2c/0x3c [ 220.080955][ T6833] __dump_stack+0x30/0x40 [ 220.081615][ T6833] dump_stack_lvl+0xf4/0x15c [ 220.082270][ T6833] dump_stack+0x1c/0x5c [ 220.082855][ T6833] sysfs_create_dir_ns+0x244/0x264 [ 220.083592][ T6833] kobject_add_internal+0x5ac/0xc3c [ 220.084344][ T6833] kobject_init_and_add+0x124/0x190 [ 220.085086][ T6833] gfs2_sys_fs_add+0x200/0x41c [ 220.085817][ T6833] gfs2_fill_super+0xddc/0x1a18 [ 220.086608][ T6833] get_tree_bdev+0x358/0x544 [ 220.087283][ T6833] gfs2_get_tree+0x54/0x1b4 [ 220.088008][ T6833] vfs_get_tree+0x90/0x274 [ 220.088666][ T6833] do_new_mount+0x228/0x810 [ 220.089337][ T6833] path_mount+0x5bc/0x1008 [ 220.089994][ T6833] __arm64_sys_mount+0x514/0x5f0 [ 220.090737][ T6833] invoke_syscall+0x98/0x2b0 [ 220.091475][ T6833] el0_svc_common+0x138/0x258 [ 220.092152][ T6833] do_el0_svc+0x58/0x13c [ 220.092766][ T6833] el0_svc+0x78/0x1d0 [ 220.093339][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 220.094080][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 220.096876][ T6833] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.098639][ T6833] gfs2: fsid=}: error -17 adding sysfs files [ 220.218430][ T148] device hsr_slave_0 left promiscuous mode [ 220.243619][ T148] device hsr_slave_1 left promiscuous mode [ 220.263364][ T4174] Bluetooth: hci2: command 0x0409 tx timeout [ 220.328388][ T6836] set_capacity_and_notify: 7 callbacks suppressed [ 220.328397][ T6836] loop1: detected capacity change from 0 to 32768 [ 220.333113][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 220.334304][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 220.335715][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 220.336821][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 220.338161][ T148] device bridge_slave_1 left promiscuous mode [ 220.339162][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 220.377175][ T148] device bridge_slave_0 left promiscuous mode [ 220.378232][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 220.381724][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.382778][ T6836] CPU: 1 PID: 6836 Comm: syz.1.620 Not tainted syzkaller #0 [ 220.383816][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.385328][ T6836] Call trace: [ 220.385780][ T6836] dump_backtrace+0x0/0x458 [ 220.386458][ T6836] show_stack+0x2c/0x3c [ 220.387020][ T6836] __dump_stack+0x30/0x40 [ 220.387676][ T6836] dump_stack_lvl+0xf4/0x15c [ 220.388316][ T6836] dump_stack+0x1c/0x5c [ 220.388947][ T6836] sysfs_create_dir_ns+0x244/0x264 [ 220.389739][ T6836] kobject_add_internal+0x5ac/0xc3c [ 220.390610][ T6836] kobject_init_and_add+0x124/0x190 [ 220.391391][ T6836] gfs2_sys_fs_add+0x200/0x41c [ 220.392049][ T6836] gfs2_fill_super+0xddc/0x1a18 [ 220.392739][ T6836] get_tree_bdev+0x358/0x544 [ 220.393371][ T6836] gfs2_get_tree+0x54/0x1b4 [ 220.394011][ T6836] vfs_get_tree+0x90/0x274 [ 220.394665][ T6836] do_new_mount+0x228/0x810 [ 220.395324][ T6836] path_mount+0x5bc/0x1008 [ 220.395961][ T6836] __arm64_sys_mount+0x514/0x5f0 [ 220.396702][ T6836] invoke_syscall+0x98/0x2b0 [ 220.397382][ T6836] el0_svc_common+0x138/0x258 [ 220.398080][ T6836] do_el0_svc+0x58/0x13c [ 220.398702][ T6836] el0_svc+0x78/0x1d0 [ 220.399270][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 220.399950][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 220.402184][ T6836] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.404160][ T6836] gfs2: fsid=}: error -17 adding sysfs files [ 220.513173][ T148] device veth1_macvtap left promiscuous mode [ 220.514167][ T148] device veth0_macvtap left promiscuous mode [ 220.515141][ T148] device veth1_vlan left promiscuous mode [ 220.516043][ T148] device veth0_vlan left promiscuous mode [ 220.544509][ T6839] loop1: detected capacity change from 0 to 32768 [ 220.553970][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.555048][ T6839] CPU: 0 PID: 6839 Comm: syz.1.621 Not tainted syzkaller #0 [ 220.556069][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.557619][ T6839] Call trace: [ 220.558092][ T6839] dump_backtrace+0x0/0x458 [ 220.558805][ T6839] show_stack+0x2c/0x3c [ 220.559419][ T6839] __dump_stack+0x30/0x40 [ 220.560076][ T6839] dump_stack_lvl+0xf4/0x15c [ 220.560757][ T6839] dump_stack+0x1c/0x5c [ 220.561425][ T6839] sysfs_create_dir_ns+0x244/0x264 [ 220.562132][ T6839] kobject_add_internal+0x5ac/0xc3c [ 220.562967][ T6839] kobject_init_and_add+0x124/0x190 [ 220.563783][ T6839] gfs2_sys_fs_add+0x200/0x41c [ 220.564480][ T6839] gfs2_fill_super+0xddc/0x1a18 [ 220.565202][ T6839] get_tree_bdev+0x358/0x544 [ 220.565931][ T6839] gfs2_get_tree+0x54/0x1b4 [ 220.566600][ T6839] vfs_get_tree+0x90/0x274 [ 220.567242][ T6839] do_new_mount+0x228/0x810 [ 220.567994][ T6839] path_mount+0x5bc/0x1008 [ 220.568642][ T6839] __arm64_sys_mount+0x514/0x5f0 [ 220.569370][ T6839] invoke_syscall+0x98/0x2b0 [ 220.570015][ T6839] el0_svc_common+0x138/0x258 [ 220.570772][ T6839] do_el0_svc+0x58/0x13c [ 220.571366][ T6839] el0_svc+0x78/0x1d0 [ 220.571966][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 220.572719][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 220.576086][ T6839] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.577817][ T6839] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 608 [ 220.658491][ T148] team0 (unregistering): Port device team_slave_1 removed [ 220.667585][ T148] team0 (unregistering): Port device team_slave_0 removed [ 220.676831][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 220.715914][ T6842] loop1: detected capacity change from 0 to 32768 [ 220.718208][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 220.755728][ T6842] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.756835][ T6842] CPU: 1 PID: 6842 Comm: syz.1.622 Not tainted syzkaller #0 [ 220.757922][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.759393][ T6842] Call trace: [ 220.759898][ T6842] dump_backtrace+0x0/0x458 [ 220.760553][ T6842] show_stack+0x2c/0x3c [ 220.761131][ T6842] __dump_stack+0x30/0x40 [ 220.761873][ T6842] dump_stack_lvl+0xf4/0x15c [ 220.762620][ T6842] dump_stack+0x1c/0x5c [ 220.763272][ T6842] sysfs_create_dir_ns+0x244/0x264 [ 220.763973][ T6842] kobject_add_internal+0x5ac/0xc3c [ 220.764725][ T6842] kobject_init_and_add+0x124/0x190 [ 220.765494][ T6842] gfs2_sys_fs_add+0x200/0x41c [ 220.766170][ T6842] gfs2_fill_super+0xddc/0x1a18 [ 220.766904][ T6842] get_tree_bdev+0x358/0x544 [ 220.767608][ T6842] gfs2_get_tree+0x54/0x1b4 [ 220.768281][ T6842] vfs_get_tree+0x90/0x274 [ 220.768932][ T6842] do_new_mount+0x228/0x810 [ 220.769604][ T6842] path_mount+0x5bc/0x1008 [ 220.770257][ T6842] __arm64_sys_mount+0x514/0x5f0 [ 220.770965][ T6842] invoke_syscall+0x98/0x2b0 [ 220.771682][ T6842] el0_svc_common+0x138/0x258 [ 220.772348][ T6842] do_el0_svc+0x58/0x13c [ 220.773010][ T6842] el0_svc+0x78/0x1d0 [ 220.773615][ T6842] el0t_64_sync_handler+0xcc/0xe4 [ 220.774317][ T6842] el0t_64_sync+0x1a0/0x1a4 [ 220.776398][ T6842] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.778254][ T6842] gfs2: fsid=}: error -17 adding sysfs files [ 220.875751][ T148] bond0 (unregistering): Released all slaves [ 220.924445][ T6845] loop1: detected capacity change from 0 to 32768 [ 220.929220][ T6845] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.930278][ T6845] CPU: 1 PID: 6845 Comm: syz.1.623 Not tainted syzkaller #0 [ 220.931232][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.932755][ T6845] Call trace: [ 220.933224][ T6845] dump_backtrace+0x0/0x458 [ 220.933872][ T6845] show_stack+0x2c/0x3c [ 220.934502][ T6845] __dump_stack+0x30/0x40 [ 220.935137][ T6845] dump_stack_lvl+0xf4/0x15c [ 220.935836][ T6845] dump_stack+0x1c/0x5c [ 220.936484][ T6845] sysfs_create_dir_ns+0x244/0x264 [ 220.937259][ T6845] kobject_add_internal+0x5ac/0xc3c [ 220.937982][ T6845] kobject_init_and_add+0x124/0x190 [ 220.938697][ T6845] gfs2_sys_fs_add+0x200/0x41c [ 220.939383][ T6845] gfs2_fill_super+0xddc/0x1a18 [ 220.940032][ T6845] get_tree_bdev+0x358/0x544 [ 220.940758][ T6845] gfs2_get_tree+0x54/0x1b4 [ 220.941458][ T6845] vfs_get_tree+0x90/0x274 [ 220.942078][ T6845] do_new_mount+0x228/0x810 [ 220.942729][ T6845] path_mount+0x5bc/0x1008 [ 220.943393][ T6845] __arm64_sys_mount+0x514/0x5f0 [ 220.944124][ T6845] invoke_syscall+0x98/0x2b0 [ 220.944754][ T6845] el0_svc_common+0x138/0x258 [ 220.945424][ T6845] do_el0_svc+0x58/0x13c [ 220.946023][ T6845] el0_svc+0x78/0x1d0 [ 220.946561][ T6845] el0t_64_sync_handler+0xcc/0xe4 [ 220.947283][ T6845] el0t_64_sync+0x1a0/0x1a4 [ 220.949186][ T6845] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.951019][ T6845] gfs2: fsid=}: error -17 adding sysfs files [ 221.090378][ T6848] loop1: detected capacity change from 0 to 32768 [ 221.125614][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.126778][ T6848] CPU: 0 PID: 6848 Comm: syz.1.624 Not tainted syzkaller #0 [ 221.127888][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.129320][ T6848] Call trace: [ 221.129824][ T6848] dump_backtrace+0x0/0x458 [ 221.130485][ T6848] show_stack+0x2c/0x3c [ 221.131121][ T6848] __dump_stack+0x30/0x40 [ 221.131744][ T6848] dump_stack_lvl+0xf4/0x15c [ 221.132431][ T6848] dump_stack+0x1c/0x5c [ 221.133002][ T6848] sysfs_create_dir_ns+0x244/0x264 [ 221.133783][ T6848] kobject_add_internal+0x5ac/0xc3c [ 221.134598][ T6848] kobject_init_and_add+0x124/0x190 [ 221.135373][ T6848] gfs2_sys_fs_add+0x200/0x41c [ 221.136087][ T6848] gfs2_fill_super+0xddc/0x1a18 [ 221.136772][ T6848] get_tree_bdev+0x358/0x544 [ 221.137499][ T6848] gfs2_get_tree+0x54/0x1b4 [ 221.138190][ T6848] vfs_get_tree+0x90/0x274 [ 221.138834][ T6848] do_new_mount+0x228/0x810 [ 221.139491][ T6848] path_mount+0x5bc/0x1008 [ 221.140194][ T6848] __arm64_sys_mount+0x514/0x5f0 [ 221.140947][ T6848] invoke_syscall+0x98/0x2b0 [ 221.141677][ T6848] el0_svc_common+0x138/0x258 [ 221.142520][ T6848] do_el0_svc+0x58/0x13c [ 221.143162][ T6848] el0_svc+0x78/0x1d0 [ 221.143757][ T6848] el0t_64_sync_handler+0xcc/0xe4 [ 221.144517][ T6848] el0t_64_sync+0x1a0/0x1a4 [ 221.148769][ T6848] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.150572][ T6848] gfs2: fsid=}: error -17 adding sysfs files [ 221.284191][ T6851] loop1: detected capacity change from 0 to 32768 [ 221.377910][ T6851] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.379008][ T6851] CPU: 0 PID: 6851 Comm: syz.1.625 Not tainted syzkaller #0 [ 221.380235][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.381704][ T6851] Call trace: [ 221.382170][ T6851] dump_backtrace+0x0/0x458 [ 221.382803][ T6851] show_stack+0x2c/0x3c [ 221.383427][ T6851] __dump_stack+0x30/0x40 [ 221.384060][ T6851] dump_stack_lvl+0xf4/0x15c [ 221.384717][ T6851] dump_stack+0x1c/0x5c [ 221.385334][ T6851] sysfs_create_dir_ns+0x244/0x264 [ 221.386099][ T6851] kobject_add_internal+0x5ac/0xc3c [ 221.386845][ T6851] kobject_init_and_add+0x124/0x190 [ 221.387533][ T6851] gfs2_sys_fs_add+0x200/0x41c [ 221.388213][ T6851] gfs2_fill_super+0xddc/0x1a18 [ 221.388962][ T6851] get_tree_bdev+0x358/0x544 [ 221.389621][ T6851] gfs2_get_tree+0x54/0x1b4 [ 221.390317][ T6851] vfs_get_tree+0x90/0x274 [ 221.390976][ T6851] do_new_mount+0x228/0x810 [ 221.391660][ T6851] path_mount+0x5bc/0x1008 [ 221.392254][ T6851] __arm64_sys_mount+0x514/0x5f0 [ 221.392981][ T6851] invoke_syscall+0x98/0x2b0 [ 221.393727][ T6851] el0_svc_common+0x138/0x258 [ 221.394418][ T6851] do_el0_svc+0x58/0x13c [ 221.395059][ T6851] el0_svc+0x78/0x1d0 [ 221.395616][ T6851] el0t_64_sync_handler+0xcc/0xe4 [ 221.396289][ T6851] el0t_64_sync+0x1a0/0x1a4 [ 221.398353][ T6851] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.400116][ T6851] gfs2: fsid=}: error -17 adding sysfs files [ 221.537816][ T6854] loop1: detected capacity change from 0 to 32768 [ 221.545454][ T6854] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.546648][ T6854] CPU: 1 PID: 6854 Comm: syz.1.626 Not tainted syzkaller #0 [ 221.547836][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.549246][ T6854] Call trace: [ 221.549763][ T6854] dump_backtrace+0x0/0x458 [ 221.550442][ T6854] show_stack+0x2c/0x3c [ 221.551021][ T6854] __dump_stack+0x30/0x40 [ 221.551665][ T6854] dump_stack_lvl+0xf4/0x15c [ 221.552269][ T6854] dump_stack+0x1c/0x5c [ 221.552871][ T6854] sysfs_create_dir_ns+0x244/0x264 [ 221.553665][ T6854] kobject_add_internal+0x5ac/0xc3c [ 221.554447][ T6854] kobject_init_and_add+0x124/0x190 [ 221.555249][ T6854] gfs2_sys_fs_add+0x200/0x41c [ 221.555899][ T6854] gfs2_fill_super+0xddc/0x1a18 [ 221.556620][ T6854] get_tree_bdev+0x358/0x544 [ 221.557345][ T6854] gfs2_get_tree+0x54/0x1b4 [ 221.557992][ T6854] vfs_get_tree+0x90/0x274 [ 221.558702][ T6854] do_new_mount+0x228/0x810 [ 221.559351][ T6854] path_mount+0x5bc/0x1008 [ 221.560042][ T6854] __arm64_sys_mount+0x514/0x5f0 [ 221.560778][ T6854] invoke_syscall+0x98/0x2b0 [ 221.561436][ T6854] el0_svc_common+0x138/0x258 [ 221.562119][ T6854] do_el0_svc+0x58/0x13c [ 221.562778][ T6854] el0_svc+0x78/0x1d0 [ 221.563362][ T6854] el0t_64_sync_handler+0xcc/0xe4 [ 221.564099][ T6854] el0t_64_sync+0x1a0/0x1a4 [ 221.566248][ T6854] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.568358][ T6854] gfs2: fsid=}: error -17 adding sysfs files [ 221.706325][ T6857] loop1: detected capacity change from 0 to 32768 [ 221.744789][ T6857] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.745903][ T6857] CPU: 0 PID: 6857 Comm: syz.1.627 Not tainted syzkaller #0 [ 221.746943][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.748443][ T6857] Call trace: [ 221.748978][ T6857] dump_backtrace+0x0/0x458 [ 221.749661][ T6857] show_stack+0x2c/0x3c [ 221.750267][ T6857] __dump_stack+0x30/0x40 [ 221.750870][ T6857] dump_stack_lvl+0xf4/0x15c [ 221.751532][ T6857] dump_stack+0x1c/0x5c [ 221.752125][ T6857] sysfs_create_dir_ns+0x244/0x264 [ 221.752917][ T6857] kobject_add_internal+0x5ac/0xc3c [ 221.753774][ T6857] kobject_init_and_add+0x124/0x190 [ 221.754535][ T6857] gfs2_sys_fs_add+0x200/0x41c [ 221.755242][ T6857] gfs2_fill_super+0xddc/0x1a18 [ 221.755982][ T6857] get_tree_bdev+0x358/0x544 [ 221.756661][ T6857] gfs2_get_tree+0x54/0x1b4 [ 221.757356][ T6857] vfs_get_tree+0x90/0x274 [ 221.758023][ T6857] do_new_mount+0x228/0x810 [ 221.758648][ T6857] path_mount+0x5bc/0x1008 [ 221.759293][ T6857] __arm64_sys_mount+0x514/0x5f0 [ 221.760001][ T6857] invoke_syscall+0x98/0x2b0 [ 221.760694][ T6857] el0_svc_common+0x138/0x258 [ 221.761407][ T6857] do_el0_svc+0x58/0x13c [ 221.762041][ T6857] el0_svc+0x78/0x1d0 [ 221.762619][ T6857] el0t_64_sync_handler+0xcc/0xe4 [ 221.763322][ T6857] el0t_64_sync+0x1a0/0x1a4 [ 221.768118][ T6857] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.770135][ T6857] gfs2: fsid=}: error -17 adding sysfs files [ 222.029333][ T6860] loop1: detected capacity change from 0 to 32768 [ 222.064515][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.065729][ T6860] CPU: 1 PID: 6860 Comm: syz.1.628 Not tainted syzkaller #0 [ 222.066684][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.068121][ T6860] Call trace: [ 222.068561][ T6860] dump_backtrace+0x0/0x458 [ 222.069178][ T6860] show_stack+0x2c/0x3c [ 222.069752][ T6860] __dump_stack+0x30/0x40 [ 222.070374][ T6860] dump_stack_lvl+0xf4/0x15c [ 222.070965][ T6860] dump_stack+0x1c/0x5c [ 222.071544][ T6860] sysfs_create_dir_ns+0x244/0x264 [ 222.072238][ T6860] kobject_add_internal+0x5ac/0xc3c [ 222.072994][ T6860] kobject_init_and_add+0x124/0x190 [ 222.073756][ T6860] gfs2_sys_fs_add+0x200/0x41c [ 222.074471][ T6860] gfs2_fill_super+0xddc/0x1a18 [ 222.075211][ T6860] get_tree_bdev+0x358/0x544 [ 222.075870][ T6860] gfs2_get_tree+0x54/0x1b4 [ 222.076515][ T6860] vfs_get_tree+0x90/0x274 [ 222.077113][ T6860] do_new_mount+0x228/0x810 [ 222.077800][ T6860] path_mount+0x5bc/0x1008 [ 222.078408][ T6860] __arm64_sys_mount+0x514/0x5f0 [ 222.079153][ T6860] invoke_syscall+0x98/0x2b0 [ 222.079844][ T6860] el0_svc_common+0x138/0x258 [ 222.080593][ T6860] do_el0_svc+0x58/0x13c [ 222.081191][ T6860] el0_svc+0x78/0x1d0 [ 222.081789][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 222.082474][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 222.086669][ T6860] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.088577][ T6860] gfs2: fsid=}: error -17 adding sysfs files [ 222.270414][ T6863] loop1: detected capacity change from 0 to 32768 [ 222.305888][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.306984][ T6863] CPU: 0 PID: 6863 Comm: syz.1.629 Not tainted syzkaller #0 [ 222.308001][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.309483][ T6863] Call trace: [ 222.309938][ T6863] dump_backtrace+0x0/0x458 [ 222.310571][ T6863] show_stack+0x2c/0x3c [ 222.311200][ T6863] __dump_stack+0x30/0x40 [ 222.311811][ T6863] dump_stack_lvl+0xf4/0x15c [ 222.312529][ T6863] dump_stack+0x1c/0x5c [ 222.313121][ T6863] sysfs_create_dir_ns+0x244/0x264 [ 222.313858][ T6863] kobject_add_internal+0x5ac/0xc3c [ 222.314586][ T6863] kobject_init_and_add+0x124/0x190 [ 222.315407][ T6863] gfs2_sys_fs_add+0x200/0x41c [ 222.316067][ T6863] gfs2_fill_super+0xddc/0x1a18 [ 222.316738][ T6863] get_tree_bdev+0x358/0x544 [ 222.317393][ T6863] gfs2_get_tree+0x54/0x1b4 [ 222.318005][ T6863] vfs_get_tree+0x90/0x274 [ 222.318625][ T6863] do_new_mount+0x228/0x810 [ 222.319252][ T6863] path_mount+0x5bc/0x1008 [ 222.319908][ T6863] __arm64_sys_mount+0x514/0x5f0 [ 222.320619][ T6863] invoke_syscall+0x98/0x2b0 [ 222.321262][ T6863] el0_svc_common+0x138/0x258 [ 222.321884][ T6863] do_el0_svc+0x58/0x13c [ 222.322526][ T6863] el0_svc+0x78/0x1d0 [ 222.323052][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 222.323826][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 222.325945][ T6863] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.327784][ T6863] gfs2: fsid=}: error -17 adding sysfs files [ 222.343125][ T4168] Bluetooth: hci2: command 0x041b tx timeout [ 222.564016][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.565138][ T6866] CPU: 0 PID: 6866 Comm: syz.1.630 Not tainted syzkaller #0 [ 222.566232][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.567771][ T6866] Call trace: [ 222.568250][ T6866] dump_backtrace+0x0/0x458 [ 222.568895][ T6866] show_stack+0x2c/0x3c [ 222.569499][ T6866] __dump_stack+0x30/0x40 [ 222.570189][ T6866] dump_stack_lvl+0xf4/0x15c [ 222.570820][ T6866] dump_stack+0x1c/0x5c [ 222.571467][ T6866] sysfs_create_dir_ns+0x244/0x264 [ 222.572231][ T6866] kobject_add_internal+0x5ac/0xc3c [ 222.572915][ T6866] kobject_init_and_add+0x124/0x190 [ 222.573727][ T6866] gfs2_sys_fs_add+0x200/0x41c [ 222.574426][ T6866] gfs2_fill_super+0xddc/0x1a18 [ 222.575161][ T6866] get_tree_bdev+0x358/0x544 [ 222.575838][ T6866] gfs2_get_tree+0x54/0x1b4 [ 222.576477][ T6866] vfs_get_tree+0x90/0x274 [ 222.577077][ T6866] do_new_mount+0x228/0x810 [ 222.577738][ T6866] path_mount+0x5bc/0x1008 [ 222.578380][ T6866] __arm64_sys_mount+0x514/0x5f0 [ 222.579066][ T6866] invoke_syscall+0x98/0x2b0 [ 222.579713][ T6866] el0_svc_common+0x138/0x258 [ 222.580422][ T6866] do_el0_svc+0x58/0x13c [ 222.581102][ T6866] el0_svc+0x78/0x1d0 [ 222.581684][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 222.582528][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 222.585122][ T6866] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.587058][ T6866] gfs2: fsid=}: error -17 adding sysfs files [ 222.764397][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.765494][ T6869] CPU: 0 PID: 6869 Comm: syz.1.631 Not tainted syzkaller #0 [ 222.766565][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.768054][ T6869] Call trace: [ 222.768506][ T6869] dump_backtrace+0x0/0x458 [ 222.769126][ T6869] show_stack+0x2c/0x3c [ 222.769735][ T6869] __dump_stack+0x30/0x40 [ 222.770331][ T6869] dump_stack_lvl+0xf4/0x15c [ 222.770989][ T6869] dump_stack+0x1c/0x5c [ 222.771610][ T6869] sysfs_create_dir_ns+0x244/0x264 [ 222.772368][ T6869] kobject_add_internal+0x5ac/0xc3c [ 222.773076][ T6869] kobject_init_and_add+0x124/0x190 [ 222.773963][ T6869] gfs2_sys_fs_add+0x200/0x41c [ 222.774778][ T6869] gfs2_fill_super+0xddc/0x1a18 [ 222.775583][ T6869] get_tree_bdev+0x358/0x544 [ 222.776242][ T6869] gfs2_get_tree+0x54/0x1b4 [ 222.776923][ T6869] vfs_get_tree+0x90/0x274 [ 222.777564][ T6869] do_new_mount+0x228/0x810 [ 222.778210][ T6869] path_mount+0x5bc/0x1008 [ 222.778860][ T6869] __arm64_sys_mount+0x514/0x5f0 [ 222.779699][ T6869] invoke_syscall+0x98/0x2b0 [ 222.780348][ T6869] el0_svc_common+0x138/0x258 [ 222.781022][ T6869] do_el0_svc+0x58/0x13c [ 222.781650][ T6869] el0_svc+0x78/0x1d0 [ 222.782247][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 222.782967][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 222.785106][ T6869] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.787065][ T6869] gfs2: fsid=}: error -17 adding sysfs files [ 222.954453][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.955721][ T6872] CPU: 1 PID: 6872 Comm: syz.1.632 Not tainted syzkaller #0 [ 222.956902][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.958416][ T6872] Call trace: [ 222.958928][ T6872] dump_backtrace+0x0/0x458 [ 222.959584][ T6872] show_stack+0x2c/0x3c [ 222.960198][ T6872] __dump_stack+0x30/0x40 [ 222.960835][ T6872] dump_stack_lvl+0xf4/0x15c [ 222.961454][ T6872] dump_stack+0x1c/0x5c [ 222.962080][ T6872] sysfs_create_dir_ns+0x244/0x264 [ 222.962760][ T6872] kobject_add_internal+0x5ac/0xc3c [ 222.963535][ T6872] kobject_init_and_add+0x124/0x190 [ 222.964333][ T6872] gfs2_sys_fs_add+0x200/0x41c [ 222.965038][ T6872] gfs2_fill_super+0xddc/0x1a18 [ 222.965812][ T6872] get_tree_bdev+0x358/0x544 [ 222.966484][ T6872] gfs2_get_tree+0x54/0x1b4 [ 222.967162][ T6872] vfs_get_tree+0x90/0x274 [ 222.967794][ T6872] do_new_mount+0x228/0x810 [ 222.968422][ T6872] path_mount+0x5bc/0x1008 [ 222.969044][ T6872] __arm64_sys_mount+0x514/0x5f0 [ 222.969798][ T6872] invoke_syscall+0x98/0x2b0 [ 222.970467][ T6872] el0_svc_common+0x138/0x258 [ 222.971119][ T6872] do_el0_svc+0x58/0x13c [ 222.971763][ T6872] el0_svc+0x78/0x1d0 [ 222.972379][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 222.973131][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 222.974332][ T6872] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.976304][ T6872] gfs2: fsid=}: error -17 adding sysfs files [ 223.198400][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.199467][ T6875] CPU: 1 PID: 6875 Comm: syz.1.633 Not tainted syzkaller #0 [ 223.200462][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.202033][ T6875] Call trace: [ 223.202590][ T6875] dump_backtrace+0x0/0x458 [ 223.203233][ T6875] show_stack+0x2c/0x3c [ 223.203815][ T6875] __dump_stack+0x30/0x40 [ 223.204533][ T6875] dump_stack_lvl+0xf4/0x15c [ 223.205221][ T6875] dump_stack+0x1c/0x5c [ 223.205881][ T6875] sysfs_create_dir_ns+0x244/0x264 [ 223.206680][ T6875] kobject_add_internal+0x5ac/0xc3c [ 223.207438][ T6875] kobject_init_and_add+0x124/0x190 [ 223.208165][ T6875] gfs2_sys_fs_add+0x200/0x41c [ 223.208878][ T6875] gfs2_fill_super+0xddc/0x1a18 [ 223.209555][ T6875] get_tree_bdev+0x358/0x544 [ 223.210265][ T6875] gfs2_get_tree+0x54/0x1b4 [ 223.211008][ T6875] vfs_get_tree+0x90/0x274 [ 223.211690][ T6875] do_new_mount+0x228/0x810 [ 223.212345][ T6875] path_mount+0x5bc/0x1008 [ 223.213006][ T6875] __arm64_sys_mount+0x514/0x5f0 [ 223.213810][ T6875] invoke_syscall+0x98/0x2b0 [ 223.214508][ T6875] el0_svc_common+0x138/0x258 [ 223.215248][ T6875] do_el0_svc+0x58/0x13c [ 223.215880][ T6875] el0_svc+0x78/0x1d0 [ 223.216485][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 223.217222][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 223.219681][ T6875] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.221477][ T6875] gfs2: fsid=}: error -17 adding sysfs files [ 223.395921][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.396996][ T6878] CPU: 1 PID: 6878 Comm: syz.1.634 Not tainted syzkaller #0 [ 223.398083][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.399559][ T6878] Call trace: [ 223.400045][ T6878] dump_backtrace+0x0/0x458 [ 223.400736][ T6878] show_stack+0x2c/0x3c [ 223.401349][ T6878] __dump_stack+0x30/0x40 [ 223.401975][ T6878] dump_stack_lvl+0xf4/0x15c [ 223.402604][ T6878] dump_stack+0x1c/0x5c [ 223.403205][ T6878] sysfs_create_dir_ns+0x244/0x264 [ 223.404004][ T6878] kobject_add_internal+0x5ac/0xc3c [ 223.404788][ T6878] kobject_init_and_add+0x124/0x190 [ 223.405546][ T6878] gfs2_sys_fs_add+0x200/0x41c [ 223.406238][ T6878] gfs2_fill_super+0xddc/0x1a18 [ 223.406914][ T6878] get_tree_bdev+0x358/0x544 [ 223.407580][ T6878] gfs2_get_tree+0x54/0x1b4 [ 223.408227][ T6878] vfs_get_tree+0x90/0x274 [ 223.408847][ T6878] do_new_mount+0x228/0x810 [ 223.409511][ T6878] path_mount+0x5bc/0x1008 [ 223.410130][ T6878] __arm64_sys_mount+0x514/0x5f0 [ 223.410869][ T6878] invoke_syscall+0x98/0x2b0 [ 223.411580][ T6878] el0_svc_common+0x138/0x258 [ 223.412311][ T6878] do_el0_svc+0x58/0x13c [ 223.412962][ T6878] el0_svc+0x78/0x1d0 [ 223.413515][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 223.414249][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 223.416323][ T6878] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.418062][ T6878] gfs2: fsid=}: error -17 adding sysfs files [ 223.557389][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.558524][ T6881] CPU: 0 PID: 6881 Comm: syz.1.635 Not tainted syzkaller #0 [ 223.559612][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.561050][ T6881] Call trace: [ 223.561528][ T6881] dump_backtrace+0x0/0x458 [ 223.562152][ T6881] show_stack+0x2c/0x3c [ 223.562749][ T6881] __dump_stack+0x30/0x40 [ 223.563448][ T6881] dump_stack_lvl+0xf4/0x15c [ 223.564156][ T6881] dump_stack+0x1c/0x5c [ 223.564715][ T6881] sysfs_create_dir_ns+0x244/0x264 [ 223.565421][ T6881] kobject_add_internal+0x5ac/0xc3c [ 223.566170][ T6881] kobject_init_and_add+0x124/0x190 [ 223.567010][ T6881] gfs2_sys_fs_add+0x200/0x41c [ 223.567716][ T6881] gfs2_fill_super+0xddc/0x1a18 [ 223.568465][ T6881] get_tree_bdev+0x358/0x544 [ 223.569121][ T6881] gfs2_get_tree+0x54/0x1b4 [ 223.569746][ T6881] vfs_get_tree+0x90/0x274 [ 223.570405][ T6881] do_new_mount+0x228/0x810 [ 223.571068][ T6881] path_mount+0x5bc/0x1008 [ 223.571634][ T6881] __arm64_sys_mount+0x514/0x5f0 [ 223.572357][ T6881] invoke_syscall+0x98/0x2b0 [ 223.573002][ T6881] el0_svc_common+0x138/0x258 [ 223.573729][ T6881] do_el0_svc+0x58/0x13c [ 223.574338][ T6881] el0_svc+0x78/0x1d0 [ 223.574899][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 223.575622][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 223.577075][ T6881] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.578896][ T6881] gfs2: fsid=}: error -17 adding sysfs files [ 223.788732][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.789858][ T6884] CPU: 1 PID: 6884 Comm: syz.1.636 Not tainted syzkaller #0 [ 223.790968][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.792368][ T6884] Call trace: [ 223.792839][ T6884] dump_backtrace+0x0/0x458 [ 223.793539][ T6884] show_stack+0x2c/0x3c [ 223.794138][ T6884] __dump_stack+0x30/0x40 [ 223.794829][ T6884] dump_stack_lvl+0xf4/0x15c [ 223.795464][ T6884] dump_stack+0x1c/0x5c [ 223.796070][ T6884] sysfs_create_dir_ns+0x244/0x264 [ 223.796865][ T6884] kobject_add_internal+0x5ac/0xc3c [ 223.797668][ T6884] kobject_init_and_add+0x124/0x190 [ 223.798466][ T6884] gfs2_sys_fs_add+0x200/0x41c [ 223.799245][ T6884] gfs2_fill_super+0xddc/0x1a18 [ 223.799980][ T6884] get_tree_bdev+0x358/0x544 [ 223.800629][ T6884] gfs2_get_tree+0x54/0x1b4 [ 223.801262][ T6884] vfs_get_tree+0x90/0x274 [ 223.801886][ T6884] do_new_mount+0x228/0x810 [ 223.802562][ T6884] path_mount+0x5bc/0x1008 [ 223.803214][ T6884] __arm64_sys_mount+0x514/0x5f0 [ 223.803914][ T6884] invoke_syscall+0x98/0x2b0 [ 223.804597][ T6884] el0_svc_common+0x138/0x258 [ 223.805313][ T6884] do_el0_svc+0x58/0x13c [ 223.805924][ T6884] el0_svc+0x78/0x1d0 [ 223.806526][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 223.807260][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 223.808464][ T6884] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.810327][ T6884] gfs2: fsid=}: error -17 adding sysfs files [ 224.029354][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.030418][ T6887] CPU: 1 PID: 6887 Comm: syz.1.637 Not tainted syzkaller #0 [ 224.031474][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.032927][ T6887] Call trace: [ 224.033485][ T6887] dump_backtrace+0x0/0x458 [ 224.034129][ T6887] show_stack+0x2c/0x3c [ 224.034737][ T6887] __dump_stack+0x30/0x40 [ 224.035370][ T6887] dump_stack_lvl+0xf4/0x15c [ 224.036035][ T6887] dump_stack+0x1c/0x5c [ 224.036626][ T6887] sysfs_create_dir_ns+0x244/0x264 [ 224.037390][ T6887] kobject_add_internal+0x5ac/0xc3c [ 224.038132][ T6887] kobject_init_and_add+0x124/0x190 [ 224.038897][ T6887] gfs2_sys_fs_add+0x200/0x41c [ 224.039606][ T6887] gfs2_fill_super+0xddc/0x1a18 [ 224.040285][ T6887] get_tree_bdev+0x358/0x544 [ 224.040909][ T6887] gfs2_get_tree+0x54/0x1b4 [ 224.041588][ T6887] vfs_get_tree+0x90/0x274 [ 224.042335][ T6887] do_new_mount+0x228/0x810 [ 224.043018][ T6887] path_mount+0x5bc/0x1008 [ 224.043656][ T6887] __arm64_sys_mount+0x514/0x5f0 [ 224.044411][ T6887] invoke_syscall+0x98/0x2b0 [ 224.045131][ T6887] el0_svc_common+0x138/0x258 [ 224.045803][ T6887] do_el0_svc+0x58/0x13c [ 224.046437][ T6887] el0_svc+0x78/0x1d0 [ 224.046981][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 224.047742][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 224.049847][ T6887] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.051662][ T6887] gfs2: fsid=}: error -17 adding sysfs files [ 224.214321][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.215594][ T6890] CPU: 1 PID: 6890 Comm: syz.1.638 Not tainted syzkaller #0 [ 224.216839][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.218546][ T6890] Call trace: [ 224.219064][ T6890] dump_backtrace+0x0/0x458 [ 224.219745][ T6890] show_stack+0x2c/0x3c [ 224.220417][ T6890] __dump_stack+0x30/0x40 [ 224.221097][ T6890] dump_stack_lvl+0xf4/0x15c [ 224.221867][ T6890] dump_stack+0x1c/0x5c [ 224.222561][ T6890] sysfs_create_dir_ns+0x244/0x264 [ 224.223395][ T6890] kobject_add_internal+0x5ac/0xc3c [ 224.224183][ T6890] kobject_init_and_add+0x124/0x190 [ 224.225148][ T6890] gfs2_sys_fs_add+0x200/0x41c [ 224.225889][ T6890] gfs2_fill_super+0xddc/0x1a18 [ 224.226646][ T6890] get_tree_bdev+0x358/0x544 [ 224.227312][ T6890] gfs2_get_tree+0x54/0x1b4 [ 224.227982][ T6890] vfs_get_tree+0x90/0x274 [ 224.228618][ T6890] do_new_mount+0x228/0x810 [ 224.229251][ T6890] path_mount+0x5bc/0x1008 [ 224.229909][ T6890] __arm64_sys_mount+0x514/0x5f0 [ 224.230609][ T6890] invoke_syscall+0x98/0x2b0 [ 224.231306][ T6890] el0_svc_common+0x138/0x258 [ 224.231984][ T6890] do_el0_svc+0x58/0x13c [ 224.232602][ T6890] el0_svc+0x78/0x1d0 [ 224.233233][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 224.233955][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 224.236001][ T6890] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.237996][ T6890] gfs2: fsid=}: error -17 adding sysfs files [ 224.395071][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.396297][ T6893] CPU: 0 PID: 6893 Comm: syz.1.639 Not tainted syzkaller #0 [ 224.397386][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.398832][ T6893] Call trace: [ 224.399354][ T6893] dump_backtrace+0x0/0x458 [ 224.399976][ T6893] show_stack+0x2c/0x3c [ 224.400607][ T6893] __dump_stack+0x30/0x40 [ 224.401222][ T6893] dump_stack_lvl+0xf4/0x15c [ 224.401815][ T6893] dump_stack+0x1c/0x5c [ 224.402416][ T6893] sysfs_create_dir_ns+0x244/0x264 [ 224.403092][ T6893] kobject_add_internal+0x5ac/0xc3c [ 224.403796][ T6893] kobject_init_and_add+0x124/0x190 [ 224.404545][ T6893] gfs2_sys_fs_add+0x200/0x41c [ 224.405226][ T6893] gfs2_fill_super+0xddc/0x1a18 [ 224.405890][ T6893] get_tree_bdev+0x358/0x544 [ 224.406550][ T6893] gfs2_get_tree+0x54/0x1b4 [ 224.407163][ T6893] vfs_get_tree+0x90/0x274 [ 224.407813][ T6893] do_new_mount+0x228/0x810 [ 224.408476][ T6893] path_mount+0x5bc/0x1008 [ 224.409136][ T6893] __arm64_sys_mount+0x514/0x5f0 [ 224.409868][ T6893] invoke_syscall+0x98/0x2b0 [ 224.410536][ T6893] el0_svc_common+0x138/0x258 [ 224.411242][ T6893] do_el0_svc+0x58/0x13c [ 224.411910][ T6893] el0_svc+0x78/0x1d0 [ 224.412530][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 224.413266][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 224.415333][ T6893] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.417188][ T6893] gfs2: fsid=}: error -17 adding sysfs files [ 224.431079][ T4174] Bluetooth: hci2: command 0x040f tx timeout [ 224.555623][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.556711][ T6896] CPU: 1 PID: 6896 Comm: syz.1.640 Not tainted syzkaller #0 [ 224.557795][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.559275][ T6896] Call trace: [ 224.559772][ T6896] dump_backtrace+0x0/0x458 [ 224.560442][ T6896] show_stack+0x2c/0x3c [ 224.561085][ T6896] __dump_stack+0x30/0x40 [ 224.561728][ T6896] dump_stack_lvl+0xf4/0x15c [ 224.562389][ T6896] dump_stack+0x1c/0x5c [ 224.563002][ T6896] sysfs_create_dir_ns+0x244/0x264 [ 224.563789][ T6896] kobject_add_internal+0x5ac/0xc3c [ 224.564571][ T6896] kobject_init_and_add+0x124/0x190 [ 224.565375][ T6896] gfs2_sys_fs_add+0x200/0x41c [ 224.566069][ T6896] gfs2_fill_super+0xddc/0x1a18 [ 224.566881][ T6896] get_tree_bdev+0x358/0x544 [ 224.567603][ T6896] gfs2_get_tree+0x54/0x1b4 [ 224.568338][ T6896] vfs_get_tree+0x90/0x274 [ 224.568942][ T6896] do_new_mount+0x228/0x810 [ 224.569597][ T6896] path_mount+0x5bc/0x1008 [ 224.570200][ T6896] __arm64_sys_mount+0x514/0x5f0 [ 224.570903][ T6896] invoke_syscall+0x98/0x2b0 [ 224.571639][ T6896] el0_svc_common+0x138/0x258 [ 224.572308][ T6896] do_el0_svc+0x58/0x13c [ 224.572910][ T6896] el0_svc+0x78/0x1d0 [ 224.573545][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 224.574319][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 224.575144][ T6896] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.576871][ T6896] gfs2: fsid=}: error -17 adding sysfs files [ 224.764387][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.765573][ T6899] CPU: 1 PID: 6899 Comm: syz.1.641 Not tainted syzkaller #0 [ 224.766689][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.768122][ T6899] Call trace: [ 224.768586][ T6899] dump_backtrace+0x0/0x458 [ 224.769247][ T6899] show_stack+0x2c/0x3c [ 224.769855][ T6899] __dump_stack+0x30/0x40 [ 224.770471][ T6899] dump_stack_lvl+0xf4/0x15c [ 224.771174][ T6899] dump_stack+0x1c/0x5c [ 224.771788][ T6899] sysfs_create_dir_ns+0x244/0x264 [ 224.772519][ T6899] kobject_add_internal+0x5ac/0xc3c [ 224.773294][ T6899] kobject_init_and_add+0x124/0x190 [ 224.774067][ T6899] gfs2_sys_fs_add+0x200/0x41c [ 224.774818][ T6899] gfs2_fill_super+0xddc/0x1a18 [ 224.775567][ T6899] get_tree_bdev+0x358/0x544 [ 224.776261][ T6899] gfs2_get_tree+0x54/0x1b4 [ 224.776932][ T6899] vfs_get_tree+0x90/0x274 [ 224.777593][ T6899] do_new_mount+0x228/0x810 [ 224.778239][ T6899] path_mount+0x5bc/0x1008 [ 224.778901][ T6899] __arm64_sys_mount+0x514/0x5f0 [ 224.779614][ T6899] invoke_syscall+0x98/0x2b0 [ 224.780285][ T6899] el0_svc_common+0x138/0x258 [ 224.780937][ T6899] do_el0_svc+0x58/0x13c [ 224.781529][ T6899] el0_svc+0x78/0x1d0 [ 224.782057][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 224.782784][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 224.784880][ T6899] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 224.786823][ T6899] gfs2: fsid=}: error -17 adding sysfs files [ 224.994731][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 224.996126][ T6902] CPU: 1 PID: 6902 Comm: syz.1.642 Not tainted syzkaller #0 [ 224.997259][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.998744][ T6902] Call trace: [ 224.999216][ T6902] dump_backtrace+0x0/0x458 [ 224.999880][ T6902] show_stack+0x2c/0x3c [ 225.000486][ T6902] __dump_stack+0x30/0x40 [ 225.001080][ T6902] dump_stack_lvl+0xf4/0x15c [ 225.001760][ T6902] dump_stack+0x1c/0x5c [ 225.002377][ T6902] sysfs_create_dir_ns+0x244/0x264 [ 225.003154][ T6902] kobject_add_internal+0x5ac/0xc3c [ 225.003918][ T6902] kobject_init_and_add+0x124/0x190 [ 225.004696][ T6902] gfs2_sys_fs_add+0x200/0x41c [ 225.005458][ T6902] gfs2_fill_super+0xddc/0x1a18 [ 225.006171][ T6902] get_tree_bdev+0x358/0x544 [ 225.006939][ T6902] gfs2_get_tree+0x54/0x1b4 [ 225.007596][ T6902] vfs_get_tree+0x90/0x274 [ 225.008299][ T6902] do_new_mount+0x228/0x810 [ 225.008945][ T6902] path_mount+0x5bc/0x1008 [ 225.009598][ T6902] __arm64_sys_mount+0x514/0x5f0 [ 225.010322][ T6902] invoke_syscall+0x98/0x2b0 [ 225.010979][ T6902] el0_svc_common+0x138/0x258 [ 225.011645][ T6902] do_el0_svc+0x58/0x13c [ 225.012281][ T6902] el0_svc+0x78/0x1d0 [ 225.012847][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 225.013587][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 225.014818][ T6902] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.016738][ T6902] gfs2: fsid=}: error -17 adding sysfs files [ 225.218583][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.220042][ T6905] CPU: 0 PID: 6905 Comm: syz.1.643 Not tainted syzkaller #0 [ 225.221192][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.222665][ T6905] Call trace: [ 225.223122][ T6905] dump_backtrace+0x0/0x458 [ 225.223811][ T6905] show_stack+0x2c/0x3c [ 225.224375][ T6905] __dump_stack+0x30/0x40 [ 225.225054][ T6905] dump_stack_lvl+0xf4/0x15c [ 225.225706][ T6905] dump_stack+0x1c/0x5c [ 225.226298][ T6905] sysfs_create_dir_ns+0x244/0x264 [ 225.227035][ T6905] kobject_add_internal+0x5ac/0xc3c [ 225.227786][ T6905] kobject_init_and_add+0x124/0x190 [ 225.228545][ T6905] gfs2_sys_fs_add+0x200/0x41c [ 225.229268][ T6905] gfs2_fill_super+0xddc/0x1a18 [ 225.229973][ T6905] get_tree_bdev+0x358/0x544 [ 225.230587][ T6905] gfs2_get_tree+0x54/0x1b4 [ 225.231265][ T6905] vfs_get_tree+0x90/0x274 [ 225.231971][ T6905] do_new_mount+0x228/0x810 [ 225.232635][ T6905] path_mount+0x5bc/0x1008 [ 225.233288][ T6905] __arm64_sys_mount+0x514/0x5f0 [ 225.233974][ T6905] invoke_syscall+0x98/0x2b0 [ 225.234712][ T6905] el0_svc_common+0x138/0x258 [ 225.235440][ T6905] do_el0_svc+0x58/0x13c [ 225.236048][ T6905] el0_svc+0x78/0x1d0 [ 225.236617][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 225.237358][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 225.239675][ T6905] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.241647][ T6905] gfs2: fsid=}: error -17 adding sysfs files [ 225.375076][ T6908] set_capacity_and_notify: 14 callbacks suppressed [ 225.375087][ T6908] loop1: detected capacity change from 0 to 32768 [ 225.384309][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.385356][ T6908] CPU: 0 PID: 6908 Comm: syz.1.644 Not tainted syzkaller #0 [ 225.386391][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.387763][ T6908] Call trace: [ 225.388217][ T6908] dump_backtrace+0x0/0x458 [ 225.388915][ T6908] show_stack+0x2c/0x3c [ 225.389490][ T6908] __dump_stack+0x30/0x40 [ 225.390149][ T6908] dump_stack_lvl+0xf4/0x15c [ 225.390750][ T6908] dump_stack+0x1c/0x5c [ 225.391344][ T6908] sysfs_create_dir_ns+0x244/0x264 [ 225.392078][ T6908] kobject_add_internal+0x5ac/0xc3c [ 225.392881][ T6908] kobject_init_and_add+0x124/0x190 [ 225.393687][ T6908] gfs2_sys_fs_add+0x200/0x41c [ 225.394380][ T6908] gfs2_fill_super+0xddc/0x1a18 [ 225.395088][ T6908] get_tree_bdev+0x358/0x544 [ 225.395800][ T6908] gfs2_get_tree+0x54/0x1b4 [ 225.396611][ T6908] vfs_get_tree+0x90/0x274 [ 225.397323][ T6908] do_new_mount+0x228/0x810 [ 225.398024][ T6908] path_mount+0x5bc/0x1008 [ 225.398705][ T6908] __arm64_sys_mount+0x514/0x5f0 [ 225.399488][ T6908] invoke_syscall+0x98/0x2b0 [ 225.400221][ T6908] el0_svc_common+0x138/0x258 [ 225.400965][ T6908] do_el0_svc+0x58/0x13c [ 225.401643][ T6908] el0_svc+0x78/0x1d0 [ 225.402274][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 225.403052][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 225.406551][ T6908] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.408455][ T6908] gfs2: fsid=}: error -17 adding sysfs files [ 225.539333][ T6911] loop1: detected capacity change from 0 to 32768 [ 225.584403][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.585584][ T6911] CPU: 0 PID: 6911 Comm: syz.1.645 Not tainted syzkaller #0 [ 225.586682][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.588153][ T6911] Call trace: [ 225.588626][ T6911] dump_backtrace+0x0/0x458 [ 225.589271][ T6911] show_stack+0x2c/0x3c [ 225.589881][ T6911] __dump_stack+0x30/0x40 [ 225.590540][ T6911] dump_stack_lvl+0xf4/0x15c [ 225.591207][ T6911] dump_stack+0x1c/0x5c [ 225.591866][ T6911] sysfs_create_dir_ns+0x244/0x264 [ 225.592591][ T6911] kobject_add_internal+0x5ac/0xc3c [ 225.593294][ T6911] kobject_init_and_add+0x124/0x190 [ 225.594055][ T6911] gfs2_sys_fs_add+0x200/0x41c [ 225.594761][ T6911] gfs2_fill_super+0xddc/0x1a18 [ 225.595456][ T6911] get_tree_bdev+0x358/0x544 [ 225.596186][ T6911] gfs2_get_tree+0x54/0x1b4 [ 225.596803][ T6911] vfs_get_tree+0x90/0x274 [ 225.597449][ T6911] do_new_mount+0x228/0x810 [ 225.598116][ T6911] path_mount+0x5bc/0x1008 [ 225.598764][ T6911] __arm64_sys_mount+0x514/0x5f0 [ 225.599521][ T6911] invoke_syscall+0x98/0x2b0 [ 225.600254][ T6911] el0_svc_common+0x138/0x258 [ 225.600961][ T6911] do_el0_svc+0x58/0x13c [ 225.601599][ T6911] el0_svc+0x78/0x1d0 [ 225.602172][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 225.602868][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 225.605297][ T6911] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.607187][ T6911] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 632 [ 225.740745][ T6914] loop1: detected capacity change from 0 to 32768 [ 225.848195][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.849393][ T6914] CPU: 0 PID: 6914 Comm: syz.1.646 Not tainted syzkaller #0 [ 225.850423][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.851779][ T6914] Call trace: [ 225.852278][ T6914] dump_backtrace+0x0/0x458 [ 225.852892][ T6914] show_stack+0x2c/0x3c [ 225.853473][ T6914] __dump_stack+0x30/0x40 [ 225.854063][ T6914] dump_stack_lvl+0xf4/0x15c [ 225.854732][ T6914] dump_stack+0x1c/0x5c [ 225.855383][ T6914] sysfs_create_dir_ns+0x244/0x264 [ 225.856110][ T6914] kobject_add_internal+0x5ac/0xc3c [ 225.856940][ T6914] kobject_init_and_add+0x124/0x190 [ 225.857732][ T6914] gfs2_sys_fs_add+0x200/0x41c [ 225.858433][ T6914] gfs2_fill_super+0xddc/0x1a18 [ 225.859181][ T6914] get_tree_bdev+0x358/0x544 [ 225.859806][ T6914] gfs2_get_tree+0x54/0x1b4 [ 225.860428][ T6914] vfs_get_tree+0x90/0x274 [ 225.861063][ T6914] do_new_mount+0x228/0x810 [ 225.861711][ T6914] path_mount+0x5bc/0x1008 [ 225.862357][ T6914] __arm64_sys_mount+0x514/0x5f0 [ 225.863071][ T6914] invoke_syscall+0x98/0x2b0 [ 225.863739][ T6914] el0_svc_common+0x138/0x258 [ 225.864447][ T6914] do_el0_svc+0x58/0x13c [ 225.865046][ T6914] el0_svc+0x78/0x1d0 [ 225.865637][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 225.866348][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 225.868628][ T6914] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.870220][ T6914] gfs2: fsid=}: error -17 adding sysfs files [ 226.006065][ T6917] loop1: detected capacity change from 0 to 32768 [ 226.044524][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.045637][ T6917] CPU: 0 PID: 6917 Comm: syz.1.647 Not tainted syzkaller #0 [ 226.046779][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.048128][ T6917] Call trace: [ 226.048581][ T6917] dump_backtrace+0x0/0x458 [ 226.049225][ T6917] show_stack+0x2c/0x3c [ 226.049851][ T6917] __dump_stack+0x30/0x40 [ 226.050535][ T6917] dump_stack_lvl+0xf4/0x15c [ 226.051257][ T6917] dump_stack+0x1c/0x5c [ 226.051852][ T6917] sysfs_create_dir_ns+0x244/0x264 [ 226.052601][ T6917] kobject_add_internal+0x5ac/0xc3c [ 226.053401][ T6917] kobject_init_and_add+0x124/0x190 [ 226.054131][ T6917] gfs2_sys_fs_add+0x200/0x41c [ 226.054846][ T6917] gfs2_fill_super+0xddc/0x1a18 [ 226.055613][ T6917] get_tree_bdev+0x358/0x544 [ 226.056315][ T6917] gfs2_get_tree+0x54/0x1b4 [ 226.056976][ T6917] vfs_get_tree+0x90/0x274 [ 226.057639][ T6917] do_new_mount+0x228/0x810 [ 226.058263][ T6917] path_mount+0x5bc/0x1008 [ 226.058952][ T6917] __arm64_sys_mount+0x514/0x5f0 [ 226.059692][ T6917] invoke_syscall+0x98/0x2b0 [ 226.060377][ T6917] el0_svc_common+0x138/0x258 [ 226.061061][ T6917] do_el0_svc+0x58/0x13c [ 226.061653][ T6917] el0_svc+0x78/0x1d0 [ 226.062219][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 226.062942][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 226.064725][ T6917] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.066760][ T6917] gfs2: fsid=}: error -17 adding sysfs files [ 226.197781][ T6920] loop1: detected capacity change from 0 to 32768 [ 226.237722][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.238903][ T6920] CPU: 1 PID: 6920 Comm: syz.1.648 Not tainted syzkaller #0 [ 226.239967][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.241367][ T6920] Call trace: [ 226.241807][ T6920] dump_backtrace+0x0/0x458 [ 226.242491][ T6920] show_stack+0x2c/0x3c [ 226.243054][ T6920] __dump_stack+0x30/0x40 [ 226.243693][ T6920] dump_stack_lvl+0xf4/0x15c [ 226.244373][ T6920] dump_stack+0x1c/0x5c [ 226.244984][ T6920] sysfs_create_dir_ns+0x244/0x264 [ 226.245764][ T6920] kobject_add_internal+0x5ac/0xc3c [ 226.246544][ T6920] kobject_init_and_add+0x124/0x190 [ 226.247243][ T6920] gfs2_sys_fs_add+0x200/0x41c [ 226.247979][ T6920] gfs2_fill_super+0xddc/0x1a18 [ 226.248663][ T6920] get_tree_bdev+0x358/0x544 [ 226.249330][ T6920] gfs2_get_tree+0x54/0x1b4 [ 226.249979][ T6920] vfs_get_tree+0x90/0x274 [ 226.250617][ T6920] do_new_mount+0x228/0x810 [ 226.251287][ T6920] path_mount+0x5bc/0x1008 [ 226.251943][ T6920] __arm64_sys_mount+0x514/0x5f0 [ 226.252738][ T6920] invoke_syscall+0x98/0x2b0 [ 226.253430][ T6920] el0_svc_common+0x138/0x258 [ 226.254082][ T6920] do_el0_svc+0x58/0x13c [ 226.254712][ T6920] el0_svc+0x78/0x1d0 [ 226.255333][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 226.256141][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 226.258533][ T6920] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.260318][ T6920] gfs2: fsid=}: error -17 adding sysfs files [ 226.399237][ T6923] loop1: detected capacity change from 0 to 32768 [ 226.439192][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.440373][ T6923] CPU: 0 PID: 6923 Comm: syz.1.649 Not tainted syzkaller #0 [ 226.441502][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.442933][ T6923] Call trace: [ 226.443478][ T6923] dump_backtrace+0x0/0x458 [ 226.444147][ T6923] show_stack+0x2c/0x3c [ 226.444777][ T6923] __dump_stack+0x30/0x40 [ 226.445436][ T6923] dump_stack_lvl+0xf4/0x15c [ 226.446244][ T6923] dump_stack+0x1c/0x5c [ 226.446871][ T6923] sysfs_create_dir_ns+0x244/0x264 [ 226.447645][ T6923] kobject_add_internal+0x5ac/0xc3c [ 226.448423][ T6923] kobject_init_and_add+0x124/0x190 [ 226.449223][ T6923] gfs2_sys_fs_add+0x200/0x41c [ 226.449907][ T6923] gfs2_fill_super+0xddc/0x1a18 [ 226.450585][ T6923] get_tree_bdev+0x358/0x544 [ 226.451231][ T6923] gfs2_get_tree+0x54/0x1b4 [ 226.451924][ T6923] vfs_get_tree+0x90/0x274 [ 226.452576][ T6923] do_new_mount+0x228/0x810 [ 226.453215][ T6923] path_mount+0x5bc/0x1008 [ 226.453842][ T6923] __arm64_sys_mount+0x514/0x5f0 [ 226.454529][ T6923] invoke_syscall+0x98/0x2b0 [ 226.455189][ T6923] el0_svc_common+0x138/0x258 [ 226.455892][ T6923] do_el0_svc+0x58/0x13c [ 226.456564][ T6923] el0_svc+0x78/0x1d0 [ 226.457168][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 226.457902][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 226.459309][ T6923] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.461154][ T6923] gfs2: fsid=}: error -17 adding sysfs files [ 226.503236][ T4169] Bluetooth: hci2: command 0x0419 tx timeout [ 226.598682][ T6926] loop1: detected capacity change from 0 to 32768 [ 226.637390][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.638478][ T6926] CPU: 0 PID: 6926 Comm: syz.1.650 Not tainted syzkaller #0 [ 226.639757][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.641264][ T6926] Call trace: [ 226.641766][ T6926] dump_backtrace+0x0/0x458 [ 226.642490][ T6926] show_stack+0x2c/0x3c [ 226.643138][ T6926] __dump_stack+0x30/0x40 [ 226.643812][ T6926] dump_stack_lvl+0xf4/0x15c [ 226.644554][ T6926] dump_stack+0x1c/0x5c [ 226.645216][ T6926] sysfs_create_dir_ns+0x244/0x264 [ 226.646030][ T6926] kobject_add_internal+0x5ac/0xc3c [ 226.646804][ T6926] kobject_init_and_add+0x124/0x190 [ 226.647545][ T6926] gfs2_sys_fs_add+0x200/0x41c [ 226.648223][ T6926] gfs2_fill_super+0xddc/0x1a18 [ 226.648953][ T6926] get_tree_bdev+0x358/0x544 [ 226.649592][ T6926] gfs2_get_tree+0x54/0x1b4 [ 226.650209][ T6926] vfs_get_tree+0x90/0x274 [ 226.650809][ T6926] do_new_mount+0x228/0x810 [ 226.651461][ T6926] path_mount+0x5bc/0x1008 [ 226.652085][ T6926] __arm64_sys_mount+0x514/0x5f0 [ 226.652764][ T6926] invoke_syscall+0x98/0x2b0 [ 226.653457][ T6926] el0_svc_common+0x138/0x258 [ 226.654126][ T6926] do_el0_svc+0x58/0x13c [ 226.654764][ T6926] el0_svc+0x78/0x1d0 [ 226.655343][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 226.656061][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 226.657133][ T6926] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.658917][ T6926] gfs2: fsid=}: error -17 adding sysfs files [ 226.795649][ T6929] loop1: detected capacity change from 0 to 32768 [ 226.834563][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.835606][ T6929] CPU: 1 PID: 6929 Comm: syz.1.651 Not tainted syzkaller #0 [ 226.836607][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.838095][ T6929] Call trace: [ 226.838629][ T6929] dump_backtrace+0x0/0x458 [ 226.839324][ T6929] show_stack+0x2c/0x3c [ 226.839961][ T6929] __dump_stack+0x30/0x40 [ 226.840636][ T6929] dump_stack_lvl+0xf4/0x15c [ 226.841356][ T6929] dump_stack+0x1c/0x5c [ 226.841920][ T6929] sysfs_create_dir_ns+0x244/0x264 [ 226.842656][ T6929] kobject_add_internal+0x5ac/0xc3c [ 226.843428][ T6929] kobject_init_and_add+0x124/0x190 [ 226.844116][ T6929] gfs2_sys_fs_add+0x200/0x41c [ 226.844795][ T6929] gfs2_fill_super+0xddc/0x1a18 [ 226.845542][ T6929] get_tree_bdev+0x358/0x544 [ 226.846162][ T6929] gfs2_get_tree+0x54/0x1b4 [ 226.846873][ T6929] vfs_get_tree+0x90/0x274 [ 226.847579][ T6929] do_new_mount+0x228/0x810 [ 226.848223][ T6929] path_mount+0x5bc/0x1008 [ 226.848905][ T6929] __arm64_sys_mount+0x514/0x5f0 [ 226.849633][ T6929] invoke_syscall+0x98/0x2b0 [ 226.850300][ T6929] el0_svc_common+0x138/0x258 [ 226.851022][ T6929] do_el0_svc+0x58/0x13c [ 226.851666][ T6929] el0_svc+0x78/0x1d0 [ 226.852255][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 226.853009][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 226.855409][ T6929] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.857247][ T6929] gfs2: fsid=}: error -17 adding sysfs files [ 226.990342][ T6932] loop1: detected capacity change from 0 to 32768 [ 226.998634][ T6932] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.999735][ T6932] CPU: 1 PID: 6932 Comm: syz.1.652 Not tainted syzkaller #0 [ 227.000793][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.002274][ T6932] Call trace: [ 227.002776][ T6932] dump_backtrace+0x0/0x458 [ 227.003451][ T6932] show_stack+0x2c/0x3c [ 227.004055][ T6932] __dump_stack+0x30/0x40 [ 227.004753][ T6932] dump_stack_lvl+0xf4/0x15c [ 227.005443][ T6932] dump_stack+0x1c/0x5c [ 227.006075][ T6932] sysfs_create_dir_ns+0x244/0x264 [ 227.006820][ T6932] kobject_add_internal+0x5ac/0xc3c [ 227.007636][ T6932] kobject_init_and_add+0x124/0x190 [ 227.008478][ T6932] gfs2_sys_fs_add+0x200/0x41c [ 227.009228][ T6932] gfs2_fill_super+0xddc/0x1a18 [ 227.009932][ T6932] get_tree_bdev+0x358/0x544 [ 227.010595][ T6932] gfs2_get_tree+0x54/0x1b4 [ 227.011297][ T6932] vfs_get_tree+0x90/0x274 [ 227.011933][ T6932] do_new_mount+0x228/0x810 [ 227.012557][ T6932] path_mount+0x5bc/0x1008 [ 227.013184][ T6932] __arm64_sys_mount+0x514/0x5f0 [ 227.013874][ T6932] invoke_syscall+0x98/0x2b0 [ 227.014551][ T6932] el0_svc_common+0x138/0x258 [ 227.015221][ T6932] do_el0_svc+0x58/0x13c [ 227.015824][ T6932] el0_svc+0x78/0x1d0 [ 227.016462][ T6932] el0t_64_sync_handler+0xcc/0xe4 [ 227.017181][ T6932] el0t_64_sync+0x1a0/0x1a4 [ 227.017983][ T6932] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.019869][ T6932] gfs2: fsid=}: error -17 adding sysfs files [ 227.159389][ T6935] loop1: detected capacity change from 0 to 32768 [ 227.198113][ T6935] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.199174][ T6935] CPU: 0 PID: 6935 Comm: syz.1.653 Not tainted syzkaller #0 [ 227.200244][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.201725][ T6935] Call trace: [ 227.202171][ T6935] dump_backtrace+0x0/0x458 [ 227.202821][ T6935] show_stack+0x2c/0x3c [ 227.203365][ T6935] __dump_stack+0x30/0x40 [ 227.204060][ T6935] dump_stack_lvl+0xf4/0x15c [ 227.204723][ T6935] dump_stack+0x1c/0x5c [ 227.205339][ T6935] sysfs_create_dir_ns+0x244/0x264 [ 227.206154][ T6935] kobject_add_internal+0x5ac/0xc3c [ 227.206942][ T6935] kobject_init_and_add+0x124/0x190 [ 227.207721][ T6935] gfs2_sys_fs_add+0x200/0x41c [ 227.208359][ T6935] gfs2_fill_super+0xddc/0x1a18 [ 227.209049][ T6935] get_tree_bdev+0x358/0x544 [ 227.209713][ T6935] gfs2_get_tree+0x54/0x1b4 [ 227.210368][ T6935] vfs_get_tree+0x90/0x274 [ 227.210995][ T6935] do_new_mount+0x228/0x810 [ 227.211613][ T6935] path_mount+0x5bc/0x1008 [ 227.212292][ T6935] __arm64_sys_mount+0x514/0x5f0 [ 227.213065][ T6935] invoke_syscall+0x98/0x2b0 [ 227.213712][ T6935] el0_svc_common+0x138/0x258 [ 227.214394][ T6935] do_el0_svc+0x58/0x13c [ 227.214977][ T6935] el0_svc+0x78/0x1d0 [ 227.215539][ T6935] el0t_64_sync_handler+0xcc/0xe4 [ 227.216254][ T6935] el0t_64_sync+0x1a0/0x1a4 [ 227.218690][ T6935] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.220590][ T6935] gfs2: fsid=}: error -17 adding sysfs files [ 227.394361][ T6938] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.395450][ T6938] CPU: 0 PID: 6938 Comm: syz.1.654 Not tainted syzkaller #0 [ 227.396500][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.397940][ T6938] Call trace: [ 227.398400][ T6938] dump_backtrace+0x0/0x458 [ 227.399065][ T6938] show_stack+0x2c/0x3c [ 227.399671][ T6938] __dump_stack+0x30/0x40 [ 227.400233][ T6938] dump_stack_lvl+0xf4/0x15c [ 227.400946][ T6938] dump_stack+0x1c/0x5c [ 227.401532][ T6938] sysfs_create_dir_ns+0x244/0x264 [ 227.402265][ T6938] kobject_add_internal+0x5ac/0xc3c [ 227.403013][ T6938] kobject_init_and_add+0x124/0x190 [ 227.403736][ T6938] gfs2_sys_fs_add+0x200/0x41c [ 227.404398][ T6938] gfs2_fill_super+0xddc/0x1a18 [ 227.405142][ T6938] get_tree_bdev+0x358/0x544 [ 227.405753][ T6938] gfs2_get_tree+0x54/0x1b4 [ 227.406422][ T6938] vfs_get_tree+0x90/0x274 [ 227.407025][ T6938] do_new_mount+0x228/0x810 [ 227.407666][ T6938] path_mount+0x5bc/0x1008 [ 227.408266][ T6938] __arm64_sys_mount+0x514/0x5f0 [ 227.409030][ T6938] invoke_syscall+0x98/0x2b0 [ 227.409739][ T6938] el0_svc_common+0x138/0x258 [ 227.410448][ T6938] do_el0_svc+0x58/0x13c [ 227.411091][ T6938] el0_svc+0x78/0x1d0 [ 227.411639][ T6938] el0t_64_sync_handler+0xcc/0xe4 [ 227.412340][ T6938] el0t_64_sync+0x1a0/0x1a4 [ 227.413224][ T6938] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.415048][ T6938] gfs2: fsid=}: error -17 adding sysfs files [ 227.649386][ T6941] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.650526][ T6941] CPU: 0 PID: 6941 Comm: syz.1.655 Not tainted syzkaller #0 [ 227.651551][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.652986][ T6941] Call trace: [ 227.653399][ T6941] dump_backtrace+0x0/0x458 [ 227.654046][ T6941] show_stack+0x2c/0x3c [ 227.654601][ T6941] __dump_stack+0x30/0x40 [ 227.655264][ T6941] dump_stack_lvl+0xf4/0x15c [ 227.655973][ T6941] dump_stack+0x1c/0x5c [ 227.656621][ T6941] sysfs_create_dir_ns+0x244/0x264 [ 227.657363][ T6941] kobject_add_internal+0x5ac/0xc3c [ 227.658187][ T6941] kobject_init_and_add+0x124/0x190 [ 227.658953][ T6941] gfs2_sys_fs_add+0x200/0x41c [ 227.659690][ T6941] gfs2_fill_super+0xddc/0x1a18 [ 227.660404][ T6941] get_tree_bdev+0x358/0x544 [ 227.661066][ T6941] gfs2_get_tree+0x54/0x1b4 [ 227.661774][ T6941] vfs_get_tree+0x90/0x274 [ 227.662430][ T6941] do_new_mount+0x228/0x810 [ 227.663098][ T6941] path_mount+0x5bc/0x1008 [ 227.663766][ T6941] __arm64_sys_mount+0x514/0x5f0 [ 227.664569][ T6941] invoke_syscall+0x98/0x2b0 [ 227.665226][ T6941] el0_svc_common+0x138/0x258 [ 227.665957][ T6941] do_el0_svc+0x58/0x13c [ 227.666662][ T6941] el0_svc+0x78/0x1d0 [ 227.667264][ T6941] el0t_64_sync_handler+0xcc/0xe4 [ 227.668010][ T6941] el0t_64_sync+0x1a0/0x1a4 [ 227.669667][ T6941] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.671469][ T6941] gfs2: fsid=}: error -17 adding sysfs files [ 227.889409][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.890546][ T6944] CPU: 0 PID: 6944 Comm: syz.1.656 Not tainted syzkaller #0 [ 227.891612][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.893115][ T6944] Call trace: [ 227.893624][ T6944] dump_backtrace+0x0/0x458 [ 227.894275][ T6944] show_stack+0x2c/0x3c [ 227.894913][ T6944] __dump_stack+0x30/0x40 [ 227.895558][ T6944] dump_stack_lvl+0xf4/0x15c [ 227.896261][ T6944] dump_stack+0x1c/0x5c [ 227.896896][ T6944] sysfs_create_dir_ns+0x244/0x264 [ 227.897648][ T6944] kobject_add_internal+0x5ac/0xc3c [ 227.898424][ T6944] kobject_init_and_add+0x124/0x190 [ 227.899241][ T6944] gfs2_sys_fs_add+0x200/0x41c [ 227.899948][ T6944] gfs2_fill_super+0xddc/0x1a18 [ 227.900669][ T6944] get_tree_bdev+0x358/0x544 [ 227.901357][ T6944] gfs2_get_tree+0x54/0x1b4 [ 227.901980][ T6944] vfs_get_tree+0x90/0x274 [ 227.902584][ T6944] do_new_mount+0x228/0x810 [ 227.903253][ T6944] path_mount+0x5bc/0x1008 [ 227.903909][ T6944] __arm64_sys_mount+0x514/0x5f0 [ 227.904648][ T6944] invoke_syscall+0x98/0x2b0 [ 227.905324][ T6944] el0_svc_common+0x138/0x258 [ 227.905994][ T6944] do_el0_svc+0x58/0x13c [ 227.906644][ T6944] el0_svc+0x78/0x1d0 [ 227.907258][ T6944] el0t_64_sync_handler+0xcc/0xe4 [ 227.907996][ T6944] el0t_64_sync+0x1a0/0x1a4 [ 227.908966][ T6944] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.910707][ T6944] gfs2: fsid=}: error -17 adding sysfs files [ 228.049055][ T6947] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.050278][ T6947] CPU: 1 PID: 6947 Comm: syz.1.657 Not tainted syzkaller #0 [ 228.051413][ T6947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.052960][ T6947] Call trace: [ 228.053444][ T6947] dump_backtrace+0x0/0x458 [ 228.054176][ T6947] show_stack+0x2c/0x3c [ 228.054820][ T6947] __dump_stack+0x30/0x40 [ 228.055443][ T6947] dump_stack_lvl+0xf4/0x15c [ 228.056109][ T6947] dump_stack+0x1c/0x5c [ 228.056722][ T6947] sysfs_create_dir_ns+0x244/0x264 [ 228.057445][ T6947] kobject_add_internal+0x5ac/0xc3c [ 228.058219][ T6947] kobject_init_and_add+0x124/0x190 [ 228.059003][ T6947] gfs2_sys_fs_add+0x200/0x41c [ 228.059745][ T6947] gfs2_fill_super+0xddc/0x1a18 [ 228.060476][ T6947] get_tree_bdev+0x358/0x544 [ 228.061161][ T6947] gfs2_get_tree+0x54/0x1b4 [ 228.061795][ T6947] vfs_get_tree+0x90/0x274 [ 228.062487][ T6947] do_new_mount+0x228/0x810 [ 228.063168][ T6947] path_mount+0x5bc/0x1008 [ 228.063811][ T6947] __arm64_sys_mount+0x514/0x5f0 [ 228.064494][ T6947] invoke_syscall+0x98/0x2b0 [ 228.065160][ T6947] el0_svc_common+0x138/0x258 [ 228.065866][ T6947] do_el0_svc+0x58/0x13c [ 228.066555][ T6947] el0_svc+0x78/0x1d0 [ 228.067152][ T6947] el0t_64_sync_handler+0xcc/0xe4 [ 228.067853][ T6947] el0t_64_sync+0x1a0/0x1a4 [ 228.068706][ T6947] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.070644][ T6947] gfs2: fsid=}: error -17 adding sysfs files [ 228.238215][ T6950] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.239492][ T6950] CPU: 1 PID: 6950 Comm: syz.1.658 Not tainted syzkaller #0 [ 228.240642][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.242123][ T6950] Call trace: [ 228.242592][ T6950] dump_backtrace+0x0/0x458 [ 228.243246][ T6950] show_stack+0x2c/0x3c [ 228.243864][ T6950] __dump_stack+0x30/0x40 [ 228.244536][ T6950] dump_stack_lvl+0xf4/0x15c [ 228.245228][ T6950] dump_stack+0x1c/0x5c [ 228.245808][ T6950] sysfs_create_dir_ns+0x244/0x264 [ 228.246564][ T6950] kobject_add_internal+0x5ac/0xc3c [ 228.247381][ T6950] kobject_init_and_add+0x124/0x190 [ 228.248148][ T6950] gfs2_sys_fs_add+0x200/0x41c [ 228.248920][ T6950] gfs2_fill_super+0xddc/0x1a18 [ 228.249681][ T6950] get_tree_bdev+0x358/0x544 [ 228.250408][ T6950] gfs2_get_tree+0x54/0x1b4 [ 228.251103][ T6950] vfs_get_tree+0x90/0x274 [ 228.251788][ T6950] do_new_mount+0x228/0x810 [ 228.252438][ T6950] path_mount+0x5bc/0x1008 [ 228.253139][ T6950] __arm64_sys_mount+0x514/0x5f0 [ 228.253905][ T6950] invoke_syscall+0x98/0x2b0 [ 228.254594][ T6950] el0_svc_common+0x138/0x258 [ 228.255281][ T6950] do_el0_svc+0x58/0x13c [ 228.255931][ T6950] el0_svc+0x78/0x1d0 [ 228.256468][ T6950] el0t_64_sync_handler+0xcc/0xe4 [ 228.257208][ T6950] el0t_64_sync+0x1a0/0x1a4 [ 228.258306][ T6950] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.260185][ T6950] gfs2: fsid=}: error -17 adding sysfs files [ 228.485522][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.486892][ T6953] CPU: 0 PID: 6953 Comm: syz.1.659 Not tainted syzkaller #0 [ 228.488104][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.489491][ T6953] Call trace: [ 228.489985][ T6953] dump_backtrace+0x0/0x458 [ 228.490684][ T6953] show_stack+0x2c/0x3c [ 228.491433][ T6953] __dump_stack+0x30/0x40 [ 228.492229][ T6953] dump_stack_lvl+0xf4/0x15c [ 228.492968][ T6953] dump_stack+0x1c/0x5c [ 228.493553][ T6953] sysfs_create_dir_ns+0x244/0x264 [ 228.494341][ T6953] kobject_add_internal+0x5ac/0xc3c [ 228.495131][ T6953] kobject_init_and_add+0x124/0x190 [ 228.495951][ T6953] gfs2_sys_fs_add+0x200/0x41c [ 228.496613][ T6953] gfs2_fill_super+0xddc/0x1a18 [ 228.497328][ T6953] get_tree_bdev+0x358/0x544 [ 228.497987][ T6953] gfs2_get_tree+0x54/0x1b4 [ 228.498643][ T6953] vfs_get_tree+0x90/0x274 [ 228.499286][ T6953] do_new_mount+0x228/0x810 [ 228.500065][ T6953] path_mount+0x5bc/0x1008 [ 228.500772][ T6953] __arm64_sys_mount+0x514/0x5f0 [ 228.501498][ T6953] invoke_syscall+0x98/0x2b0 [ 228.502209][ T6953] el0_svc_common+0x138/0x258 [ 228.502938][ T6953] do_el0_svc+0x58/0x13c [ 228.503586][ T6953] el0_svc+0x78/0x1d0 [ 228.504164][ T6953] el0t_64_sync_handler+0xcc/0xe4 [ 228.504875][ T6953] el0t_64_sync+0x1a0/0x1a4 [ 228.505834][ T6953] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.507691][ T6953] gfs2: fsid=}: error -17 adding sysfs files [ 228.646499][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.647564][ T6956] CPU: 1 PID: 6956 Comm: syz.1.660 Not tainted syzkaller #0 [ 228.648626][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.650099][ T6956] Call trace: [ 228.650572][ T6956] dump_backtrace+0x0/0x458 [ 228.651240][ T6956] show_stack+0x2c/0x3c [ 228.651859][ T6956] __dump_stack+0x30/0x40 [ 228.652537][ T6956] dump_stack_lvl+0xf4/0x15c [ 228.653241][ T6956] dump_stack+0x1c/0x5c [ 228.653846][ T6956] sysfs_create_dir_ns+0x244/0x264 [ 228.654580][ T6956] kobject_add_internal+0x5ac/0xc3c [ 228.655326][ T6956] kobject_init_and_add+0x124/0x190 [ 228.656092][ T6956] gfs2_sys_fs_add+0x200/0x41c [ 228.656768][ T6956] gfs2_fill_super+0xddc/0x1a18 [ 228.657494][ T6956] get_tree_bdev+0x358/0x544 [ 228.658184][ T6956] gfs2_get_tree+0x54/0x1b4 [ 228.658815][ T6956] vfs_get_tree+0x90/0x274 [ 228.659474][ T6956] do_new_mount+0x228/0x810 [ 228.660096][ T6956] path_mount+0x5bc/0x1008 [ 228.660742][ T6956] __arm64_sys_mount+0x514/0x5f0 [ 228.661444][ T6956] invoke_syscall+0x98/0x2b0 [ 228.662133][ T6956] el0_svc_common+0x138/0x258 [ 228.662832][ T6956] do_el0_svc+0x58/0x13c [ 228.663427][ T6956] el0_svc+0x78/0x1d0 [ 228.664006][ T6956] el0t_64_sync_handler+0xcc/0xe4 [ 228.664722][ T6956] el0t_64_sync+0x1a0/0x1a4 [ 228.666893][ T6956] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.668721][ T6956] gfs2: fsid=}: error -17 adding sysfs files [ 228.808172][ T6959] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.809304][ T6959] CPU: 1 PID: 6959 Comm: syz.1.661 Not tainted syzkaller #0 [ 228.810355][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.811880][ T6959] Call trace: [ 228.812361][ T6959] dump_backtrace+0x0/0x458 [ 228.813001][ T6959] show_stack+0x2c/0x3c [ 228.813635][ T6959] __dump_stack+0x30/0x40 [ 228.814248][ T6959] dump_stack_lvl+0xf4/0x15c [ 228.814916][ T6959] dump_stack+0x1c/0x5c [ 228.815510][ T6959] sysfs_create_dir_ns+0x244/0x264 [ 228.816224][ T6959] kobject_add_internal+0x5ac/0xc3c [ 228.817023][ T6959] kobject_init_and_add+0x124/0x190 [ 228.817753][ T6959] gfs2_sys_fs_add+0x200/0x41c [ 228.818443][ T6959] gfs2_fill_super+0xddc/0x1a18 [ 228.819180][ T6959] get_tree_bdev+0x358/0x544 [ 228.819834][ T6959] gfs2_get_tree+0x54/0x1b4 [ 228.820471][ T6959] vfs_get_tree+0x90/0x274 [ 228.821123][ T6959] do_new_mount+0x228/0x810 [ 228.821797][ T6959] path_mount+0x5bc/0x1008 [ 228.822410][ T6959] __arm64_sys_mount+0x514/0x5f0 [ 228.823109][ T6959] invoke_syscall+0x98/0x2b0 [ 228.823798][ T6959] el0_svc_common+0x138/0x258 [ 228.824489][ T6959] do_el0_svc+0x58/0x13c [ 228.825175][ T6959] el0_svc+0x78/0x1d0 [ 228.825762][ T6959] el0t_64_sync_handler+0xcc/0xe4 [ 228.826547][ T6959] el0t_64_sync+0x1a0/0x1a4 [ 228.829041][ T6959] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.830909][ T6959] gfs2: fsid=}: error -17 adding sysfs files [ 228.994392][ T6962] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.995604][ T6962] CPU: 0 PID: 6962 Comm: syz.1.662 Not tainted syzkaller #0 [ 228.996641][ T6962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.998109][ T6962] Call trace: [ 228.998622][ T6962] dump_backtrace+0x0/0x458 [ 228.999262][ T6962] show_stack+0x2c/0x3c [ 228.999894][ T6962] __dump_stack+0x30/0x40 [ 229.000533][ T6962] dump_stack_lvl+0xf4/0x15c [ 229.001219][ T6962] dump_stack+0x1c/0x5c [ 229.001815][ T6962] sysfs_create_dir_ns+0x244/0x264 [ 229.002538][ T6962] kobject_add_internal+0x5ac/0xc3c [ 229.003268][ T6962] kobject_init_and_add+0x124/0x190 [ 229.003998][ T6962] gfs2_sys_fs_add+0x200/0x41c [ 229.004703][ T6962] gfs2_fill_super+0xddc/0x1a18 [ 229.005442][ T6962] get_tree_bdev+0x358/0x544 [ 229.006135][ T6962] gfs2_get_tree+0x54/0x1b4 [ 229.006796][ T6962] vfs_get_tree+0x90/0x274 [ 229.007466][ T6962] do_new_mount+0x228/0x810 [ 229.008149][ T6962] path_mount+0x5bc/0x1008 [ 229.008808][ T6962] __arm64_sys_mount+0x514/0x5f0 [ 229.009538][ T6962] invoke_syscall+0x98/0x2b0 [ 229.010232][ T6962] el0_svc_common+0x138/0x258 [ 229.010938][ T6962] do_el0_svc+0x58/0x13c [ 229.011516][ T6962] el0_svc+0x78/0x1d0 [ 229.012114][ T6962] el0t_64_sync_handler+0xcc/0xe4 [ 229.012868][ T6962] el0t_64_sync+0x1a0/0x1a4 [ 229.013707][ T6962] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.015560][ T6962] gfs2: fsid=}: error -17 adding sysfs files [ 229.249661][ T6965] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.250773][ T6965] CPU: 0 PID: 6965 Comm: syz.1.663 Not tainted syzkaller #0 [ 229.251811][ T6965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.253304][ T6965] Call trace: [ 229.253807][ T6965] dump_backtrace+0x0/0x458 [ 229.254448][ T6965] show_stack+0x2c/0x3c [ 229.255106][ T6965] __dump_stack+0x30/0x40 [ 229.255771][ T6965] dump_stack_lvl+0xf4/0x15c [ 229.256432][ T6965] dump_stack+0x1c/0x5c [ 229.257048][ T6965] sysfs_create_dir_ns+0x244/0x264 [ 229.257788][ T6965] kobject_add_internal+0x5ac/0xc3c [ 229.258477][ T6965] kobject_init_and_add+0x124/0x190 [ 229.259206][ T6965] gfs2_sys_fs_add+0x200/0x41c [ 229.259933][ T6965] gfs2_fill_super+0xddc/0x1a18 [ 229.260665][ T6965] get_tree_bdev+0x358/0x544 [ 229.261358][ T6965] gfs2_get_tree+0x54/0x1b4 [ 229.262005][ T6965] vfs_get_tree+0x90/0x274 [ 229.262668][ T6965] do_new_mount+0x228/0x810 [ 229.263348][ T6965] path_mount+0x5bc/0x1008 [ 229.264003][ T6965] __arm64_sys_mount+0x514/0x5f0 [ 229.264683][ T6965] invoke_syscall+0x98/0x2b0 [ 229.265380][ T6965] el0_svc_common+0x138/0x258 [ 229.266043][ T6965] do_el0_svc+0x58/0x13c [ 229.266684][ T6965] el0_svc+0x78/0x1d0 [ 229.267256][ T6965] el0t_64_sync_handler+0xcc/0xe4 [ 229.267996][ T6965] el0t_64_sync+0x1a0/0x1a4 [ 229.269291][ T6965] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.271161][ T6965] gfs2: fsid=}: error -17 adding sysfs files [ 229.447345][ T6968] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.448453][ T6968] CPU: 1 PID: 6968 Comm: syz.1.664 Not tainted syzkaller #0 [ 229.449538][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.451097][ T6968] Call trace: [ 229.451572][ T6968] dump_backtrace+0x0/0x458 [ 229.452305][ T6968] show_stack+0x2c/0x3c [ 229.452917][ T6968] __dump_stack+0x30/0x40 [ 229.453560][ T6968] dump_stack_lvl+0xf4/0x15c [ 229.454272][ T6968] dump_stack+0x1c/0x5c [ 229.454887][ T6968] sysfs_create_dir_ns+0x244/0x264 [ 229.455686][ T6968] kobject_add_internal+0x5ac/0xc3c [ 229.456428][ T6968] kobject_init_and_add+0x124/0x190 [ 229.457280][ T6968] gfs2_sys_fs_add+0x200/0x41c [ 229.458028][ T6968] gfs2_fill_super+0xddc/0x1a18 [ 229.458762][ T6968] get_tree_bdev+0x358/0x544 [ 229.459444][ T6968] gfs2_get_tree+0x54/0x1b4 [ 229.460111][ T6968] vfs_get_tree+0x90/0x274 [ 229.460755][ T6968] do_new_mount+0x228/0x810 [ 229.461438][ T6968] path_mount+0x5bc/0x1008 [ 229.462086][ T6968] __arm64_sys_mount+0x514/0x5f0 [ 229.462828][ T6968] invoke_syscall+0x98/0x2b0 [ 229.463515][ T6968] el0_svc_common+0x138/0x258 [ 229.464236][ T6968] do_el0_svc+0x58/0x13c [ 229.464837][ T6968] el0_svc+0x78/0x1d0 [ 229.465409][ T6968] el0t_64_sync_handler+0xcc/0xe4 [ 229.466156][ T6968] el0t_64_sync+0x1a0/0x1a4 [ 229.468271][ T6968] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.469999][ T6968] gfs2: fsid=}: error -17 adding sysfs files [ 229.614371][ T6971] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.615453][ T6971] CPU: 1 PID: 6971 Comm: syz.1.665 Not tainted syzkaller #0 [ 229.616522][ T6971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.617936][ T6971] Call trace: [ 229.618375][ T6971] dump_backtrace+0x0/0x458 [ 229.619030][ T6971] show_stack+0x2c/0x3c [ 229.619609][ T6971] __dump_stack+0x30/0x40 [ 229.620241][ T6971] dump_stack_lvl+0xf4/0x15c [ 229.620888][ T6971] dump_stack+0x1c/0x5c [ 229.621485][ T6971] sysfs_create_dir_ns+0x244/0x264 [ 229.622222][ T6971] kobject_add_internal+0x5ac/0xc3c [ 229.622988][ T6971] kobject_init_and_add+0x124/0x190 [ 229.623760][ T6971] gfs2_sys_fs_add+0x200/0x41c [ 229.624466][ T6971] gfs2_fill_super+0xddc/0x1a18 [ 229.625166][ T6971] get_tree_bdev+0x358/0x544 [ 229.625857][ T6971] gfs2_get_tree+0x54/0x1b4 [ 229.626462][ T6971] vfs_get_tree+0x90/0x274 [ 229.627133][ T6971] do_new_mount+0x228/0x810 [ 229.627780][ T6971] path_mount+0x5bc/0x1008 [ 229.628431][ T6971] __arm64_sys_mount+0x514/0x5f0 [ 229.629116][ T6971] invoke_syscall+0x98/0x2b0 [ 229.629840][ T6971] el0_svc_common+0x138/0x258 [ 229.630534][ T6971] do_el0_svc+0x58/0x13c [ 229.631200][ T6971] el0_svc+0x78/0x1d0 [ 229.631795][ T6971] el0t_64_sync_handler+0xcc/0xe4 [ 229.632494][ T6971] el0t_64_sync+0x1a0/0x1a4 [ 229.635872][ T6971] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.637742][ T6971] gfs2: fsid=}: error -17 adding sysfs files [ 229.848000][ T6974] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.849139][ T6974] CPU: 0 PID: 6974 Comm: syz.1.666 Not tainted syzkaller #0 [ 229.850359][ T6974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.851865][ T6974] Call trace: [ 229.852338][ T6974] dump_backtrace+0x0/0x458 [ 229.852963][ T6974] show_stack+0x2c/0x3c [ 229.853597][ T6974] __dump_stack+0x30/0x40 [ 229.854248][ T6974] dump_stack_lvl+0xf4/0x15c [ 229.854917][ T6974] dump_stack+0x1c/0x5c [ 229.855524][ T6974] sysfs_create_dir_ns+0x244/0x264 [ 229.856341][ T6974] kobject_add_internal+0x5ac/0xc3c [ 229.857141][ T6974] kobject_init_and_add+0x124/0x190 [ 229.857881][ T6974] gfs2_sys_fs_add+0x200/0x41c [ 229.858578][ T6974] gfs2_fill_super+0xddc/0x1a18 [ 229.859287][ T6974] get_tree_bdev+0x358/0x544 [ 229.859927][ T6974] gfs2_get_tree+0x54/0x1b4 [ 229.860584][ T6974] vfs_get_tree+0x90/0x274 [ 229.861242][ T6974] do_new_mount+0x228/0x810 [ 229.861860][ T6974] path_mount+0x5bc/0x1008 [ 229.862491][ T6974] __arm64_sys_mount+0x514/0x5f0 [ 229.863205][ T6974] invoke_syscall+0x98/0x2b0 [ 229.863913][ T6974] el0_svc_common+0x138/0x258 [ 229.864613][ T6974] do_el0_svc+0x58/0x13c [ 229.865295][ T6974] el0_svc+0x78/0x1d0 [ 229.865884][ T6974] el0t_64_sync_handler+0xcc/0xe4 [ 229.866633][ T6974] el0t_64_sync+0x1a0/0x1a4 [ 229.868995][ T6974] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.870791][ T6974] gfs2: fsid=}: error -17 adding sysfs files [ 230.034487][ T6977] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.035681][ T6977] CPU: 1 PID: 6977 Comm: syz.1.667 Not tainted syzkaller #0 [ 230.036777][ T6977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.038226][ T6977] Call trace: [ 230.038709][ T6977] dump_backtrace+0x0/0x458 [ 230.039395][ T6977] show_stack+0x2c/0x3c [ 230.039983][ T6977] __dump_stack+0x30/0x40 [ 230.040588][ T6977] dump_stack_lvl+0xf4/0x15c [ 230.041287][ T6977] dump_stack+0x1c/0x5c [ 230.041893][ T6977] sysfs_create_dir_ns+0x244/0x264 [ 230.042690][ T6977] kobject_add_internal+0x5ac/0xc3c [ 230.043461][ T6977] kobject_init_and_add+0x124/0x190 [ 230.044258][ T6977] gfs2_sys_fs_add+0x200/0x41c [ 230.045005][ T6977] gfs2_fill_super+0xddc/0x1a18 [ 230.045775][ T6977] get_tree_bdev+0x358/0x544 [ 230.046439][ T6977] gfs2_get_tree+0x54/0x1b4 [ 230.047106][ T6977] vfs_get_tree+0x90/0x274 [ 230.047778][ T6977] do_new_mount+0x228/0x810 [ 230.048436][ T6977] path_mount+0x5bc/0x1008 [ 230.049063][ T6977] __arm64_sys_mount+0x514/0x5f0 [ 230.049799][ T6977] invoke_syscall+0x98/0x2b0 [ 230.050474][ T6977] el0_svc_common+0x138/0x258 [ 230.051140][ T6977] do_el0_svc+0x58/0x13c [ 230.051741][ T6977] el0_svc+0x78/0x1d0 [ 230.052335][ T6977] el0t_64_sync_handler+0xcc/0xe4 [ 230.053135][ T6977] el0t_64_sync+0x1a0/0x1a4 [ 230.054054][ T6977] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.055927][ T6977] gfs2: fsid=}: error -17 adding sysfs files [ 230.279253][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.280386][ T6980] CPU: 0 PID: 6980 Comm: syz.1.668 Not tainted syzkaller #0 [ 230.281539][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.282986][ T6980] Call trace: [ 230.283519][ T6980] dump_backtrace+0x0/0x458 [ 230.284261][ T6980] show_stack+0x2c/0x3c [ 230.284934][ T6980] __dump_stack+0x30/0x40 [ 230.285549][ T6980] dump_stack_lvl+0xf4/0x15c [ 230.286201][ T6980] dump_stack+0x1c/0x5c [ 230.286852][ T6980] sysfs_create_dir_ns+0x244/0x264 [ 230.287651][ T6980] kobject_add_internal+0x5ac/0xc3c [ 230.288430][ T6980] kobject_init_and_add+0x124/0x190 [ 230.289145][ T6980] gfs2_sys_fs_add+0x200/0x41c [ 230.289837][ T6980] gfs2_fill_super+0xddc/0x1a18 [ 230.290550][ T6980] get_tree_bdev+0x358/0x544 [ 230.291221][ T6980] gfs2_get_tree+0x54/0x1b4 [ 230.291877][ T6980] vfs_get_tree+0x90/0x274 [ 230.292524][ T6980] do_new_mount+0x228/0x810 [ 230.293259][ T6980] path_mount+0x5bc/0x1008 [ 230.293940][ T6980] __arm64_sys_mount+0x514/0x5f0 [ 230.294656][ T6980] invoke_syscall+0x98/0x2b0 [ 230.295363][ T6980] el0_svc_common+0x138/0x258 [ 230.296037][ T6980] do_el0_svc+0x58/0x13c [ 230.296697][ T6980] el0_svc+0x78/0x1d0 [ 230.297304][ T6980] el0t_64_sync_handler+0xcc/0xe4 [ 230.298107][ T6980] el0t_64_sync+0x1a0/0x1a4 [ 230.299321][ T6980] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.301103][ T6980] gfs2: fsid=}: error -17 adding sysfs files [ 230.435103][ T6983] set_capacity_and_notify: 15 callbacks suppressed [ 230.435114][ T6983] loop1: detected capacity change from 0 to 32768 [ 230.493188][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.494316][ T6983] CPU: 1 PID: 6983 Comm: syz.1.669 Not tainted syzkaller #0 [ 230.495461][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.496876][ T6983] Call trace: [ 230.497413][ T6983] dump_backtrace+0x0/0x458 [ 230.498046][ T6983] show_stack+0x2c/0x3c [ 230.498613][ T6983] __dump_stack+0x30/0x40 [ 230.499231][ T6983] dump_stack_lvl+0xf4/0x15c [ 230.499881][ T6983] dump_stack+0x1c/0x5c [ 230.500511][ T6983] sysfs_create_dir_ns+0x244/0x264 [ 230.501339][ T6983] kobject_add_internal+0x5ac/0xc3c [ 230.502039][ T6983] kobject_init_and_add+0x124/0x190 [ 230.502843][ T6983] gfs2_sys_fs_add+0x200/0x41c [ 230.503517][ T6983] gfs2_fill_super+0xddc/0x1a18 [ 230.504251][ T6983] get_tree_bdev+0x358/0x544 [ 230.504912][ T6983] gfs2_get_tree+0x54/0x1b4 [ 230.505620][ T6983] vfs_get_tree+0x90/0x274 [ 230.506231][ T6983] do_new_mount+0x228/0x810 [ 230.506880][ T6983] path_mount+0x5bc/0x1008 [ 230.507485][ T6983] __arm64_sys_mount+0x514/0x5f0 [ 230.508189][ T6983] invoke_syscall+0x98/0x2b0 [ 230.508881][ T6983] el0_svc_common+0x138/0x258 [ 230.509604][ T6983] do_el0_svc+0x58/0x13c [ 230.510266][ T6983] el0_svc+0x78/0x1d0 [ 230.510878][ T6983] el0t_64_sync_handler+0xcc/0xe4 [ 230.511611][ T6983] el0t_64_sync+0x1a0/0x1a4 [ 230.514362][ T6983] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.516194][ T6983] gfs2: fsid=}: error -17 adding sysfs files [ 230.704047][ T6986] loop1: detected capacity change from 0 to 32768 [ 230.744765][ T6986] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.745972][ T6986] CPU: 0 PID: 6986 Comm: syz.1.670 Not tainted syzkaller #0 [ 230.747055][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.748514][ T6986] Call trace: [ 230.748997][ T6986] dump_backtrace+0x0/0x458 [ 230.749666][ T6986] show_stack+0x2c/0x3c [ 230.750220][ T6986] __dump_stack+0x30/0x40 [ 230.750860][ T6986] dump_stack_lvl+0xf4/0x15c [ 230.751580][ T6986] dump_stack+0x1c/0x5c [ 230.752235][ T6986] sysfs_create_dir_ns+0x244/0x264 [ 230.752998][ T6986] kobject_add_internal+0x5ac/0xc3c [ 230.753770][ T6986] kobject_init_and_add+0x124/0x190 [ 230.754525][ T6986] gfs2_sys_fs_add+0x200/0x41c [ 230.755270][ T6986] gfs2_fill_super+0xddc/0x1a18 [ 230.756025][ T6986] get_tree_bdev+0x358/0x544 [ 230.756743][ T6986] gfs2_get_tree+0x54/0x1b4 [ 230.757416][ T6986] vfs_get_tree+0x90/0x274 [ 230.758080][ T6986] do_new_mount+0x228/0x810 [ 230.758731][ T6986] path_mount+0x5bc/0x1008 [ 230.759399][ T6986] __arm64_sys_mount+0x514/0x5f0 [ 230.760136][ T6986] invoke_syscall+0x98/0x2b0 [ 230.760790][ T6986] el0_svc_common+0x138/0x258 [ 230.761472][ T6986] do_el0_svc+0x58/0x13c [ 230.762144][ T6986] el0_svc+0x78/0x1d0 [ 230.762733][ T6986] el0t_64_sync_handler+0xcc/0xe4 [ 230.763490][ T6986] el0t_64_sync+0x1a0/0x1a4 [ 230.765830][ T6986] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.767818][ T6986] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 657 [ 230.947195][ T6989] loop1: detected capacity change from 0 to 32768 [ 230.995526][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.996567][ T6989] CPU: 0 PID: 6989 Comm: syz.1.671 Not tainted syzkaller #0 [ 230.997612][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.999020][ T6989] Call trace: [ 230.999557][ T6989] dump_backtrace+0x0/0x458 [ 231.000194][ T6989] show_stack+0x2c/0x3c [ 231.000820][ T6989] __dump_stack+0x30/0x40 [ 231.001458][ T6989] dump_stack_lvl+0xf4/0x15c [ 231.002149][ T6989] dump_stack+0x1c/0x5c [ 231.002739][ T6989] sysfs_create_dir_ns+0x244/0x264 [ 231.003478][ T6989] kobject_add_internal+0x5ac/0xc3c [ 231.004246][ T6989] kobject_init_and_add+0x124/0x190 [ 231.005018][ T6989] gfs2_sys_fs_add+0x200/0x41c [ 231.005763][ T6989] gfs2_fill_super+0xddc/0x1a18 [ 231.006491][ T6989] get_tree_bdev+0x358/0x544 [ 231.007173][ T6989] gfs2_get_tree+0x54/0x1b4 [ 231.007857][ T6989] vfs_get_tree+0x90/0x274 [ 231.008519][ T6989] do_new_mount+0x228/0x810 [ 231.009219][ T6989] path_mount+0x5bc/0x1008 [ 231.009869][ T6989] __arm64_sys_mount+0x514/0x5f0 [ 231.010617][ T6989] invoke_syscall+0x98/0x2b0 [ 231.011328][ T6989] el0_svc_common+0x138/0x258 [ 231.012034][ T6989] do_el0_svc+0x58/0x13c [ 231.012614][ T6989] el0_svc+0x78/0x1d0 [ 231.013167][ T6989] el0t_64_sync_handler+0xcc/0xe4 [ 231.013952][ T6989] el0t_64_sync+0x1a0/0x1a4 [ 231.016277][ T6989] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.018111][ T6989] gfs2: fsid=}: error -17 adding sysfs files [ 231.151372][ T6992] loop1: detected capacity change from 0 to 32768 [ 231.160735][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.161959][ T6992] CPU: 0 PID: 6992 Comm: syz.1.672 Not tainted syzkaller #0 [ 231.162965][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.164496][ T6992] Call trace: [ 231.164948][ T6992] dump_backtrace+0x0/0x458 [ 231.165646][ T6992] show_stack+0x2c/0x3c [ 231.166250][ T6992] __dump_stack+0x30/0x40 [ 231.166932][ T6992] dump_stack_lvl+0xf4/0x15c [ 231.167557][ T6992] dump_stack+0x1c/0x5c [ 231.168191][ T6992] sysfs_create_dir_ns+0x244/0x264 [ 231.168958][ T6992] kobject_add_internal+0x5ac/0xc3c [ 231.169717][ T6992] kobject_init_and_add+0x124/0x190 [ 231.170458][ T6992] gfs2_sys_fs_add+0x200/0x41c [ 231.171169][ T6992] gfs2_fill_super+0xddc/0x1a18 [ 231.171958][ T6992] get_tree_bdev+0x358/0x544 [ 231.172644][ T6992] gfs2_get_tree+0x54/0x1b4 [ 231.173304][ T6992] vfs_get_tree+0x90/0x274 [ 231.173993][ T6992] do_new_mount+0x228/0x810 [ 231.174724][ T6992] path_mount+0x5bc/0x1008 [ 231.175386][ T6992] __arm64_sys_mount+0x514/0x5f0 [ 231.176130][ T6992] invoke_syscall+0x98/0x2b0 [ 231.176806][ T6992] el0_svc_common+0x138/0x258 [ 231.177509][ T6992] do_el0_svc+0x58/0x13c [ 231.178104][ T6992] el0_svc+0x78/0x1d0 [ 231.178682][ T6992] el0t_64_sync_handler+0xcc/0xe4 [ 231.179424][ T6992] el0t_64_sync+0x1a0/0x1a4 [ 231.181015][ T6992] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.182936][ T6992] gfs2: fsid=}: error -17 adding sysfs files [ 231.313243][ T6995] loop1: detected capacity change from 0 to 32768 [ 231.354746][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.355948][ T6995] CPU: 1 PID: 6995 Comm: syz.1.673 Not tainted syzkaller #0 [ 231.357074][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.358600][ T6995] Call trace: [ 231.359078][ T6995] dump_backtrace+0x0/0x458 [ 231.359796][ T6995] show_stack+0x2c/0x3c [ 231.360426][ T6995] __dump_stack+0x30/0x40 [ 231.361033][ T6995] dump_stack_lvl+0xf4/0x15c [ 231.361713][ T6995] dump_stack+0x1c/0x5c [ 231.362358][ T6995] sysfs_create_dir_ns+0x244/0x264 [ 231.363116][ T6995] kobject_add_internal+0x5ac/0xc3c [ 231.363905][ T6995] kobject_init_and_add+0x124/0x190 [ 231.364588][ T6995] gfs2_sys_fs_add+0x200/0x41c [ 231.365281][ T6995] gfs2_fill_super+0xddc/0x1a18 [ 231.366020][ T6995] get_tree_bdev+0x358/0x544 [ 231.366708][ T6995] gfs2_get_tree+0x54/0x1b4 [ 231.367372][ T6995] vfs_get_tree+0x90/0x274 [ 231.367943][ T6995] do_new_mount+0x228/0x810 [ 231.368584][ T6995] path_mount+0x5bc/0x1008 [ 231.369200][ T6995] __arm64_sys_mount+0x514/0x5f0 [ 231.369924][ T6995] invoke_syscall+0x98/0x2b0 [ 231.370608][ T6995] el0_svc_common+0x138/0x258 [ 231.371338][ T6995] do_el0_svc+0x58/0x13c [ 231.371985][ T6995] el0_svc+0x78/0x1d0 [ 231.372610][ T6995] el0t_64_sync_handler+0xcc/0xe4 [ 231.373384][ T6995] el0t_64_sync+0x1a0/0x1a4 [ 231.374825][ T6995] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.376632][ T6995] gfs2: fsid=}: error -17 adding sysfs files [ 231.507517][ T6998] loop1: detected capacity change from 0 to 32768 [ 231.544368][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.545458][ T6998] CPU: 1 PID: 6998 Comm: syz.1.674 Not tainted syzkaller #0 [ 231.546464][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.547850][ T6998] Call trace: [ 231.548256][ T6998] dump_backtrace+0x0/0x458 [ 231.548880][ T6998] show_stack+0x2c/0x3c [ 231.549544][ T6998] __dump_stack+0x30/0x40 [ 231.550173][ T6998] dump_stack_lvl+0xf4/0x15c [ 231.550834][ T6998] dump_stack+0x1c/0x5c [ 231.551389][ T6998] sysfs_create_dir_ns+0x244/0x264 [ 231.552161][ T6998] kobject_add_internal+0x5ac/0xc3c [ 231.552877][ T6998] kobject_init_and_add+0x124/0x190 [ 231.553641][ T6998] gfs2_sys_fs_add+0x200/0x41c [ 231.554333][ T6998] gfs2_fill_super+0xddc/0x1a18 [ 231.555027][ T6998] get_tree_bdev+0x358/0x544 [ 231.555713][ T6998] gfs2_get_tree+0x54/0x1b4 [ 231.556372][ T6998] vfs_get_tree+0x90/0x274 [ 231.556998][ T6998] do_new_mount+0x228/0x810 [ 231.557653][ T6998] path_mount+0x5bc/0x1008 [ 231.558456][ T6998] __arm64_sys_mount+0x514/0x5f0 [ 231.559305][ T6998] invoke_syscall+0x98/0x2b0 [ 231.560000][ T6998] el0_svc_common+0x138/0x258 [ 231.560684][ T6998] do_el0_svc+0x58/0x13c [ 231.561335][ T6998] el0_svc+0x78/0x1d0 [ 231.561943][ T6998] el0t_64_sync_handler+0xcc/0xe4 [ 231.562701][ T6998] el0t_64_sync+0x1a0/0x1a4 [ 231.564248][ T6998] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.566061][ T6998] gfs2: fsid=}: error -17 adding sysfs files [ 231.745284][ T7001] loop1: detected capacity change from 0 to 32768 [ 231.792207][ T7001] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.793946][ T7001] CPU: 0 PID: 7001 Comm: syz.1.675 Not tainted syzkaller #0 [ 231.795033][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.796524][ T7001] Call trace: [ 231.797027][ T7001] dump_backtrace+0x0/0x458 [ 231.797670][ T7001] show_stack+0x2c/0x3c [ 231.798255][ T7001] __dump_stack+0x30/0x40 [ 231.798878][ T7001] dump_stack_lvl+0xf4/0x15c [ 231.799726][ T7001] dump_stack+0x1c/0x5c [ 231.800382][ T7001] sysfs_create_dir_ns+0x244/0x264 [ 231.801165][ T7001] kobject_add_internal+0x5ac/0xc3c [ 231.801932][ T7001] kobject_init_and_add+0x124/0x190 [ 231.802709][ T7001] gfs2_sys_fs_add+0x200/0x41c [ 231.803449][ T7001] gfs2_fill_super+0xddc/0x1a18 [ 231.804171][ T7001] get_tree_bdev+0x358/0x544 [ 231.804846][ T7001] gfs2_get_tree+0x54/0x1b4 [ 231.805526][ T7001] vfs_get_tree+0x90/0x274 [ 231.806218][ T7001] do_new_mount+0x228/0x810 [ 231.806897][ T7001] path_mount+0x5bc/0x1008 [ 231.807596][ T7001] __arm64_sys_mount+0x514/0x5f0 [ 231.808343][ T7001] invoke_syscall+0x98/0x2b0 [ 231.809004][ T7001] el0_svc_common+0x138/0x258 [ 231.809772][ T7001] do_el0_svc+0x58/0x13c [ 231.810511][ T7001] el0_svc+0x78/0x1d0 [ 231.811091][ T7001] el0t_64_sync_handler+0xcc/0xe4 [ 231.811817][ T7001] el0t_64_sync+0x1a0/0x1a4 [ 231.812605][ T7001] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.815507][ T7001] gfs2: fsid=}: error -17 adding sysfs files [ 231.952310][ T7004] loop1: detected capacity change from 0 to 32768 [ 232.004466][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.005602][ T7004] CPU: 0 PID: 7004 Comm: syz.1.676 Not tainted syzkaller #0 [ 232.006651][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.008264][ T7004] Call trace: [ 232.008767][ T7004] dump_backtrace+0x0/0x458 [ 232.009446][ T7004] show_stack+0x2c/0x3c [ 232.010069][ T7004] __dump_stack+0x30/0x40 [ 232.010687][ T7004] dump_stack_lvl+0xf4/0x15c [ 232.011334][ T7004] dump_stack+0x1c/0x5c [ 232.011960][ T7004] sysfs_create_dir_ns+0x244/0x264 [ 232.012746][ T7004] kobject_add_internal+0x5ac/0xc3c [ 232.013554][ T7004] kobject_init_and_add+0x124/0x190 [ 232.014324][ T7004] gfs2_sys_fs_add+0x200/0x41c [ 232.015086][ T7004] gfs2_fill_super+0xddc/0x1a18 [ 232.015759][ T7004] get_tree_bdev+0x358/0x544 [ 232.016426][ T7004] gfs2_get_tree+0x54/0x1b4 [ 232.017101][ T7004] vfs_get_tree+0x90/0x274 [ 232.017778][ T7004] do_new_mount+0x228/0x810 [ 232.018395][ T7004] path_mount+0x5bc/0x1008 [ 232.019053][ T7004] __arm64_sys_mount+0x514/0x5f0 [ 232.019791][ T7004] invoke_syscall+0x98/0x2b0 [ 232.020462][ T7004] el0_svc_common+0x138/0x258 [ 232.021184][ T7004] do_el0_svc+0x58/0x13c [ 232.021796][ T7004] el0_svc+0x78/0x1d0 [ 232.022398][ T7004] el0t_64_sync_handler+0xcc/0xe4 [ 232.023160][ T7004] el0t_64_sync+0x1a0/0x1a4 [ 232.025789][ T7004] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.027739][ T7004] gfs2: fsid=}: error -17 adding sysfs files [ 232.161379][ T7007] loop1: detected capacity change from 0 to 32768 [ 232.169095][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.170167][ T7007] CPU: 1 PID: 7007 Comm: syz.1.677 Not tainted syzkaller #0 [ 232.171348][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.172855][ T7007] Call trace: [ 232.173394][ T7007] dump_backtrace+0x0/0x458 [ 232.174096][ T7007] show_stack+0x2c/0x3c [ 232.174788][ T7007] __dump_stack+0x30/0x40 [ 232.175486][ T7007] dump_stack_lvl+0xf4/0x15c [ 232.176161][ T7007] dump_stack+0x1c/0x5c [ 232.176791][ T7007] sysfs_create_dir_ns+0x244/0x264 [ 232.177576][ T7007] kobject_add_internal+0x5ac/0xc3c [ 232.178354][ T7007] kobject_init_and_add+0x124/0x190 [ 232.179099][ T7007] gfs2_sys_fs_add+0x200/0x41c [ 232.179810][ T7007] gfs2_fill_super+0xddc/0x1a18 [ 232.180496][ T7007] get_tree_bdev+0x358/0x544 [ 232.181200][ T7007] gfs2_get_tree+0x54/0x1b4 [ 232.181847][ T7007] vfs_get_tree+0x90/0x274 [ 232.182475][ T7007] do_new_mount+0x228/0x810 [ 232.183086][ T7007] path_mount+0x5bc/0x1008 [ 232.183742][ T7007] __arm64_sys_mount+0x514/0x5f0 [ 232.184500][ T7007] invoke_syscall+0x98/0x2b0 [ 232.185261][ T7007] el0_svc_common+0x138/0x258 [ 232.185931][ T7007] do_el0_svc+0x58/0x13c [ 232.186553][ T7007] el0_svc+0x78/0x1d0 [ 232.187152][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 232.187889][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 232.189550][ T7007] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.191654][ T7007] gfs2: fsid=}: error -17 adding sysfs files [ 232.324523][ T7010] loop1: detected capacity change from 0 to 32768 [ 232.374351][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.375526][ T7010] CPU: 0 PID: 7010 Comm: syz.1.678 Not tainted syzkaller #0 [ 232.376612][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.378117][ T7010] Call trace: [ 232.378637][ T7010] dump_backtrace+0x0/0x458 [ 232.379313][ T7010] show_stack+0x2c/0x3c [ 232.379919][ T7010] __dump_stack+0x30/0x40 [ 232.380523][ T7010] dump_stack_lvl+0xf4/0x15c [ 232.381145][ T7010] dump_stack+0x1c/0x5c [ 232.381716][ T7010] sysfs_create_dir_ns+0x244/0x264 [ 232.382482][ T7010] kobject_add_internal+0x5ac/0xc3c [ 232.383242][ T7010] kobject_init_and_add+0x124/0x190 [ 232.384053][ T7010] gfs2_sys_fs_add+0x200/0x41c [ 232.384754][ T7010] gfs2_fill_super+0xddc/0x1a18 [ 232.385403][ T7010] get_tree_bdev+0x358/0x544 [ 232.386112][ T7010] gfs2_get_tree+0x54/0x1b4 [ 232.386760][ T7010] vfs_get_tree+0x90/0x274 [ 232.387430][ T7010] do_new_mount+0x228/0x810 [ 232.388057][ T7010] path_mount+0x5bc/0x1008 [ 232.388755][ T7010] __arm64_sys_mount+0x514/0x5f0 [ 232.389490][ T7010] invoke_syscall+0x98/0x2b0 [ 232.390128][ T7010] el0_svc_common+0x138/0x258 [ 232.390834][ T7010] do_el0_svc+0x58/0x13c [ 232.391463][ T7010] el0_svc+0x78/0x1d0 [ 232.392038][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 232.392854][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 232.394830][ T7010] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.396736][ T7010] gfs2: fsid=}: error -17 adding sysfs files [ 232.609142][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.610219][ T7013] CPU: 0 PID: 7013 Comm: syz.1.679 Not tainted syzkaller #0 [ 232.611299][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.612715][ T7013] Call trace: [ 232.613237][ T7013] dump_backtrace+0x0/0x458 [ 232.613944][ T7013] show_stack+0x2c/0x3c [ 232.614513][ T7013] __dump_stack+0x30/0x40 [ 232.615149][ T7013] dump_stack_lvl+0xf4/0x15c [ 232.615814][ T7013] dump_stack+0x1c/0x5c [ 232.616416][ T7013] sysfs_create_dir_ns+0x244/0x264 [ 232.617189][ T7013] kobject_add_internal+0x5ac/0xc3c [ 232.617972][ T7013] kobject_init_and_add+0x124/0x190 [ 232.618741][ T7013] gfs2_sys_fs_add+0x200/0x41c [ 232.619470][ T7013] gfs2_fill_super+0xddc/0x1a18 [ 232.620188][ T7013] get_tree_bdev+0x358/0x544 [ 232.620869][ T7013] gfs2_get_tree+0x54/0x1b4 [ 232.621490][ T7013] vfs_get_tree+0x90/0x274 [ 232.622161][ T7013] do_new_mount+0x228/0x810 [ 232.622906][ T7013] path_mount+0x5bc/0x1008 [ 232.623565][ T7013] __arm64_sys_mount+0x514/0x5f0 [ 232.624331][ T7013] invoke_syscall+0x98/0x2b0 [ 232.625007][ T7013] el0_svc_common+0x138/0x258 [ 232.625689][ T7013] do_el0_svc+0x58/0x13c [ 232.626294][ T7013] el0_svc+0x78/0x1d0 [ 232.626869][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 232.627730][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 232.629376][ T7013] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.631453][ T7013] gfs2: fsid=}: error -17 adding sysfs files [ 232.825118][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.826232][ T7016] CPU: 0 PID: 7016 Comm: syz.1.680 Not tainted syzkaller #0 [ 232.827316][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.828779][ T7016] Call trace: [ 232.829225][ T7016] dump_backtrace+0x0/0x458 [ 232.829905][ T7016] show_stack+0x2c/0x3c [ 232.830589][ T7016] __dump_stack+0x30/0x40 [ 232.831227][ T7016] dump_stack_lvl+0xf4/0x15c [ 232.831980][ T7016] dump_stack+0x1c/0x5c [ 232.832627][ T7016] sysfs_create_dir_ns+0x244/0x264 [ 232.833401][ T7016] kobject_add_internal+0x5ac/0xc3c [ 232.834164][ T7016] kobject_init_and_add+0x124/0x190 [ 232.834952][ T7016] gfs2_sys_fs_add+0x200/0x41c [ 232.835678][ T7016] gfs2_fill_super+0xddc/0x1a18 [ 232.836357][ T7016] get_tree_bdev+0x358/0x544 [ 232.837000][ T7016] gfs2_get_tree+0x54/0x1b4 [ 232.837658][ T7016] vfs_get_tree+0x90/0x274 [ 232.838331][ T7016] do_new_mount+0x228/0x810 [ 232.838966][ T7016] path_mount+0x5bc/0x1008 [ 232.839648][ T7016] __arm64_sys_mount+0x514/0x5f0 [ 232.840394][ T7016] invoke_syscall+0x98/0x2b0 [ 232.841092][ T7016] el0_svc_common+0x138/0x258 [ 232.841799][ T7016] do_el0_svc+0x58/0x13c [ 232.842433][ T7016] el0_svc+0x78/0x1d0 [ 232.843028][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 232.843782][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 232.850629][ T7016] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.852439][ T7016] gfs2: fsid=}: error -17 adding sysfs files [ 233.017430][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.018544][ T7019] CPU: 1 PID: 7019 Comm: syz.1.681 Not tainted syzkaller #0 [ 233.019632][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.021122][ T7019] Call trace: [ 233.021593][ T7019] dump_backtrace+0x0/0x458 [ 233.022229][ T7019] show_stack+0x2c/0x3c [ 233.022792][ T7019] __dump_stack+0x30/0x40 [ 233.023415][ T7019] dump_stack_lvl+0xf4/0x15c [ 233.024105][ T7019] dump_stack+0x1c/0x5c [ 233.024728][ T7019] sysfs_create_dir_ns+0x244/0x264 [ 233.025498][ T7019] kobject_add_internal+0x5ac/0xc3c [ 233.026232][ T7019] kobject_init_and_add+0x124/0x190 [ 233.026997][ T7019] gfs2_sys_fs_add+0x200/0x41c [ 233.027686][ T7019] gfs2_fill_super+0xddc/0x1a18 [ 233.028357][ T7019] get_tree_bdev+0x358/0x544 [ 233.029170][ T7019] gfs2_get_tree+0x54/0x1b4 [ 233.029896][ T7019] vfs_get_tree+0x90/0x274 [ 233.030672][ T7019] do_new_mount+0x228/0x810 [ 233.031355][ T7019] path_mount+0x5bc/0x1008 [ 233.032024][ T7019] __arm64_sys_mount+0x514/0x5f0 [ 233.032717][ T7019] invoke_syscall+0x98/0x2b0 [ 233.033356][ T7019] el0_svc_common+0x138/0x258 [ 233.034034][ T7019] do_el0_svc+0x58/0x13c [ 233.034705][ T7019] el0_svc+0x78/0x1d0 [ 233.035306][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 233.036022][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 233.037223][ T7019] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.039032][ T7019] gfs2: fsid=}: error -17 adding sysfs files [ 233.315064][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.316147][ T7022] CPU: 0 PID: 7022 Comm: syz.1.682 Not tainted syzkaller #0 [ 233.317156][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.318596][ T7022] Call trace: [ 233.318999][ T7022] dump_backtrace+0x0/0x458 [ 233.319676][ T7022] show_stack+0x2c/0x3c [ 233.320272][ T7022] __dump_stack+0x30/0x40 [ 233.320831][ T7022] dump_stack_lvl+0xf4/0x15c [ 233.321461][ T7022] dump_stack+0x1c/0x5c [ 233.322110][ T7022] sysfs_create_dir_ns+0x244/0x264 [ 233.322838][ T7022] kobject_add_internal+0x5ac/0xc3c [ 233.323617][ T7022] kobject_init_and_add+0x124/0x190 [ 233.324353][ T7022] gfs2_sys_fs_add+0x200/0x41c [ 233.325047][ T7022] gfs2_fill_super+0xddc/0x1a18 [ 233.325775][ T7022] get_tree_bdev+0x358/0x544 [ 233.326530][ T7022] gfs2_get_tree+0x54/0x1b4 [ 233.327212][ T7022] vfs_get_tree+0x90/0x274 [ 233.327953][ T7022] do_new_mount+0x228/0x810 [ 233.328625][ T7022] path_mount+0x5bc/0x1008 [ 233.329276][ T7022] __arm64_sys_mount+0x514/0x5f0 [ 233.329950][ T7022] invoke_syscall+0x98/0x2b0 [ 233.330572][ T7022] el0_svc_common+0x138/0x258 [ 233.331228][ T7022] do_el0_svc+0x58/0x13c [ 233.331851][ T7022] el0_svc+0x78/0x1d0 [ 233.332439][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 233.333255][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 233.335255][ T7022] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.337850][ T7022] gfs2: fsid=}: error -17 adding sysfs files [ 233.482346][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.483547][ T7025] CPU: 1 PID: 7025 Comm: syz.1.683 Not tainted syzkaller #0 [ 233.484595][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.486004][ T7025] Call trace: [ 233.486434][ T7025] dump_backtrace+0x0/0x458 [ 233.487077][ T7025] show_stack+0x2c/0x3c [ 233.487656][ T7025] __dump_stack+0x30/0x40 [ 233.488283][ T7025] dump_stack_lvl+0xf4/0x15c [ 233.488921][ T7025] dump_stack+0x1c/0x5c [ 233.489551][ T7025] sysfs_create_dir_ns+0x244/0x264 [ 233.490281][ T7025] kobject_add_internal+0x5ac/0xc3c [ 233.491027][ T7025] kobject_init_and_add+0x124/0x190 [ 233.491779][ T7025] gfs2_sys_fs_add+0x200/0x41c [ 233.492493][ T7025] gfs2_fill_super+0xddc/0x1a18 [ 233.493199][ T7025] get_tree_bdev+0x358/0x544 [ 233.493919][ T7025] gfs2_get_tree+0x54/0x1b4 [ 233.494558][ T7025] vfs_get_tree+0x90/0x274 [ 233.495209][ T7025] do_new_mount+0x228/0x810 [ 233.495897][ T7025] path_mount+0x5bc/0x1008 [ 233.496591][ T7025] __arm64_sys_mount+0x514/0x5f0 [ 233.497281][ T7025] invoke_syscall+0x98/0x2b0 [ 233.497920][ T7025] el0_svc_common+0x138/0x258 [ 233.498727][ T7025] do_el0_svc+0x58/0x13c [ 233.499357][ T7025] el0_svc+0x78/0x1d0 [ 233.500010][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 233.500716][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 233.501823][ T7025] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.503800][ T7025] gfs2: fsid=}: error -17 adding sysfs files [ 233.689011][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.690130][ T7028] CPU: 0 PID: 7028 Comm: syz.1.684 Not tainted syzkaller #0 [ 233.691236][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.692598][ T7028] Call trace: [ 233.693093][ T7028] dump_backtrace+0x0/0x458 [ 233.693734][ T7028] show_stack+0x2c/0x3c [ 233.694306][ T7028] __dump_stack+0x30/0x40 [ 233.694924][ T7028] dump_stack_lvl+0xf4/0x15c [ 233.695604][ T7028] dump_stack+0x1c/0x5c [ 233.696222][ T7028] sysfs_create_dir_ns+0x244/0x264 [ 233.696934][ T7028] kobject_add_internal+0x5ac/0xc3c [ 233.697656][ T7028] kobject_init_and_add+0x124/0x190 [ 233.698442][ T7028] gfs2_sys_fs_add+0x200/0x41c [ 233.699117][ T7028] gfs2_fill_super+0xddc/0x1a18 [ 233.699811][ T7028] get_tree_bdev+0x358/0x544 [ 233.700467][ T7028] gfs2_get_tree+0x54/0x1b4 [ 233.701180][ T7028] vfs_get_tree+0x90/0x274 [ 233.701880][ T7028] do_new_mount+0x228/0x810 [ 233.702586][ T7028] path_mount+0x5bc/0x1008 [ 233.703214][ T7028] __arm64_sys_mount+0x514/0x5f0 [ 233.703944][ T7028] invoke_syscall+0x98/0x2b0 [ 233.704612][ T7028] el0_svc_common+0x138/0x258 [ 233.705263][ T7028] do_el0_svc+0x58/0x13c [ 233.705850][ T7028] el0_svc+0x78/0x1d0 [ 233.706439][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 233.707188][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 233.710958][ T7028] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.712893][ T7028] gfs2: fsid=}: error -17 adding sysfs files [ 233.899542][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.900669][ T7031] CPU: 1 PID: 7031 Comm: syz.1.685 Not tainted syzkaller #0 [ 233.901707][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.903163][ T7031] Call trace: [ 233.903664][ T7031] dump_backtrace+0x0/0x458 [ 233.904290][ T7031] show_stack+0x2c/0x3c [ 233.904945][ T7031] __dump_stack+0x30/0x40 [ 233.905578][ T7031] dump_stack_lvl+0xf4/0x15c [ 233.906211][ T7031] dump_stack+0x1c/0x5c [ 233.906774][ T7031] sysfs_create_dir_ns+0x244/0x264 [ 233.907560][ T7031] kobject_add_internal+0x5ac/0xc3c [ 233.908332][ T7031] kobject_init_and_add+0x124/0x190 [ 233.909103][ T7031] gfs2_sys_fs_add+0x200/0x41c [ 233.909833][ T7031] gfs2_fill_super+0xddc/0x1a18 [ 233.910547][ T7031] get_tree_bdev+0x358/0x544 [ 233.911199][ T7031] gfs2_get_tree+0x54/0x1b4 [ 233.911887][ T7031] vfs_get_tree+0x90/0x274 [ 233.912547][ T7031] do_new_mount+0x228/0x810 [ 233.913181][ T7031] path_mount+0x5bc/0x1008 [ 233.913834][ T7031] __arm64_sys_mount+0x514/0x5f0 [ 233.914611][ T7031] invoke_syscall+0x98/0x2b0 [ 233.915318][ T7031] el0_svc_common+0x138/0x258 [ 233.916022][ T7031] do_el0_svc+0x58/0x13c [ 233.916633][ T7031] el0_svc+0x78/0x1d0 [ 233.917225][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 233.917917][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 233.919538][ T7031] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.921316][ T7031] gfs2: fsid=}: error -17 adding sysfs files [ 234.103310][ T27] INFO: task syz-executor:4804 blocked for more than 143 seconds. [ 234.104633][ T27] Not tainted syzkaller #0 [ 234.105400][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.106663][ T27] task:syz-executor state:D stack: 0 pid: 4804 ppid: 1 flags:0x00000001 [ 234.108057][ T27] Call trace: [ 234.108595][ T27] __switch_to+0x2f4/0x540 [ 234.109250][ T27] __schedule+0xdfc/0x1bc4 [ 234.110230][ T27] schedule+0x11c/0x1c8 [ 234.110821][ T27] bit_wait+0x1c/0xac [ 234.111403][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 234.112206][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 234.112927][ T27] __gfs2_lookup+0x120/0x28c [ 234.114765][ T27] gfs2_lookup+0x2c/0x3c [ 234.115419][ T27] __lookup_slow+0x25c/0x39c [ 234.116188][ T27] lookup_slow+0x5c/0x80 [ 234.116854][ T27] walk_component+0x2b0/0x3a8 [ 234.117607][ T27] path_lookupat+0x13c/0x3d0 [ 234.118298][ T27] filename_lookup+0x1b4/0x464 [ 234.118983][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.119669][ T27] __arm64_sys_umount+0xf8/0x184 [ 234.120413][ T27] invoke_syscall+0x98/0x2b0 [ 234.121118][ T27] el0_svc_common+0x138/0x258 [ 234.121827][ T27] do_el0_svc+0x58/0x13c [ 234.122556][ T27] el0_svc+0x78/0x1d0 [ 234.123241][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.123977][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.124712][ T27] [ 234.124712][ T27] Showing all locks held in the system: [ 234.125726][ T27] 1 lock held by khungtaskd/27: [ 234.126434][ T27] #0: ffff800014461360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.127807][ T27] 2 locks held by udevd/3662: [ 234.128524][ T27] #0: ffff0000cc111118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 234.130005][ T27] #1: ffff0000cc08e468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x50/0x1fc [ 234.131289][ T27] 2 locks held by getty/3805: [ 234.131980][ T27] #0: ffff0000d384e098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.134632][ T27] #1: ffff80001bd8e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.136280][ T27] 1 lock held by syz-executor/4804: [ 234.137052][ T27] #0: ffff0000e77db790 ( [ 234.138107][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 234.139126][ T7034] CPU: 1 PID: 7034 Comm: syz.1.686 Not tainted syzkaller #0 [ 234.140119][ T27] &type->i_mutex_dir_key#8 [ 234.140913][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.141543][ T27] ){.+.+}-{3:3} [ 234.143006][ T7034] Call trace: [ 234.143013][ T7034] dump_backtrace+0x0/0x458 [ 234.143032][ T7034] show_stack+0x2c/0x3c [ 234.143039][ T7034] __dump_stack+0x30/0x40 [ 234.143047][ T7034] dump_stack_lvl+0xf4/0x15c [ 234.143053][ T7034] dump_stack+0x1c/0x5c [ 234.143059][ T7034] sysfs_create_dir_ns+0x244/0x264 [ 234.143066][ T7034] kobject_add_internal+0x5ac/0xc3c [ 234.143073][ T7034] kobject_init_and_add+0x124/0x190 [ 234.143875][ T27] , at: lookup_slow+0x4c/0x80 [ 234.144014][ T7034] gfs2_sys_fs_add+0x200/0x41c [ 234.144691][ T27] 4 locks held by syz.1.686/7034: [ 234.145366][ T7034] gfs2_fill_super+0xddc/0x1a18 [ 234.146001][ T27] [ 234.146632][ T7034] get_tree_bdev+0x358/0x544 [ 234.147210][ T27] ============================================= [ 234.147210][ T27] [ 234.147906][ T7034] gfs2_get_tree+0x54/0x1b4 [ 234.148667][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.149526][ T7034] vfs_get_tree+0x90/0x274 [ 234.156711][ T7034] do_new_mount+0x228/0x810 [ 234.157378][ T7034] path_mount+0x5bc/0x1008 [ 234.158050][ T7034] __arm64_sys_mount+0x514/0x5f0 [ 234.158740][ T7034] invoke_syscall+0x98/0x2b0 [ 234.159399][ T7034] el0_svc_common+0x138/0x258 [ 234.160054][ T7034] do_el0_svc+0x58/0x13c [ 234.160688][ T7034] el0_svc+0x78/0x1d0 [ 234.161259][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 234.162006][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 234.162715][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.163821][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.164486][ T7034] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 234.165256][ T27] Call trace: [ 234.167109][ T7034] gfs2: fsid=}: error -17 adding sysfs files [ 234.167580][ T27] dump_backtrace+0x0/0x458 [ 234.169072][ T27] show_stack+0x2c/0x3c [ 234.169643][ T27] __dump_stack+0x30/0x40 [ 234.170275][ T27] dump_stack_lvl+0xf4/0x15c [ 234.170961][ T27] dump_stack+0x1c/0x5c [ 234.171593][ T27] panic+0x2fc/0x860 [ 234.172161][ T27] hung_task_panic+0x0/0x2c [ 234.172813][ T27] kthread+0x374/0x454 [ 234.173438][ T27] ret_from_fork+0x10/0x20 [ 234.174110][ T27] SMP: stopping secondary CPUs [ 234.174827][ T27] Kernel Offset: disabled [ 234.175431][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.176229][ T27] Memory Limit: none [ 234.516877][ T27] Rebooting in 86400 seconds..