857] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.222648][ T6860] loop1: detected capacity change from 0 to 32768 [ 209.232642][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.234300][ T6860] CPU: 0 PID: 6860 Comm: syz.1.584 Not tainted syzkaller #0 [ 209.235279][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.236796][ T6860] Call trace: [ 209.237261][ T6860] dump_backtrace+0x0/0x43c [ 209.237884][ T6860] show_stack+0x2c/0x3c [ 209.238492][ T6860] __dump_stack+0x30/0x40 [ 209.239159][ T6860] dump_stack_lvl+0xf8/0x160 [ 209.239839][ T6860] dump_stack+0x1c/0x5c [ 209.240496][ T6860] sysfs_create_dir_ns+0x22c/0x24c [ 209.241311][ T6860] kobject_add_internal+0x590/0xc54 [ 209.242069][ T6860] kobject_init_and_add+0x118/0x17c [ 209.242871][ T6860] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.243639][ T6860] gfs2_fill_super+0xdac/0x19e0 [ 209.244418][ T6860] get_tree_bdev+0x358/0x544 [ 209.245089][ T6860] gfs2_get_tree+0x54/0x1b4 [ 209.245813][ T6860] vfs_get_tree+0x90/0x274 [ 209.246480][ T6860] do_new_mount+0x228/0x810 [ 209.247177][ T6860] path_mount+0x5b4/0x1000 [ 209.247795][ T6860] __arm64_sys_mount+0x514/0x5e4 [ 209.248481][ T6860] invoke_syscall+0x98/0x2b8 [ 209.249147][ T6860] el0_svc_common+0x138/0x258 [ 209.249796][ T6860] do_el0_svc+0x58/0x14c [ 209.250408][ T6860] el0_svc+0x78/0x1e0 [ 209.250997][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 209.251736][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 209.252614][ T6860] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.254934][ T6860] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.423921][ T6863] loop1: detected capacity change from 0 to 32768 [ 209.465411][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.467030][ T6863] CPU: 0 PID: 6863 Comm: syz.1.585 Not tainted syzkaller #0 [ 209.468152][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.469653][ T6863] Call trace: [ 209.470131][ T6863] dump_backtrace+0x0/0x43c [ 209.470760][ T6863] show_stack+0x2c/0x3c [ 209.471371][ T6863] __dump_stack+0x30/0x40 [ 209.472019][ T6863] dump_stack_lvl+0xf8/0x160 [ 209.472627][ T6863] dump_stack+0x1c/0x5c [ 209.473191][ T6863] sysfs_create_dir_ns+0x22c/0x24c [ 209.474060][ T6863] kobject_add_internal+0x590/0xc54 [ 209.474939][ T6863] kobject_init_and_add+0x118/0x17c [ 209.475833][ T6863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.476617][ T6863] gfs2_fill_super+0xdac/0x19e0 [ 209.477371][ T6863] get_tree_bdev+0x358/0x544 [ 209.478095][ T6863] gfs2_get_tree+0x54/0x1b4 [ 209.478799][ T6863] vfs_get_tree+0x90/0x274 [ 209.479443][ T6863] do_new_mount+0x228/0x810 [ 209.480110][ T6863] path_mount+0x5b4/0x1000 [ 209.480764][ T6863] __arm64_sys_mount+0x514/0x5e4 [ 209.481520][ T6863] invoke_syscall+0x98/0x2b8 [ 209.482254][ T6863] el0_svc_common+0x138/0x258 [ 209.482952][ T6863] do_el0_svc+0x58/0x14c [ 209.483597][ T6863] el0_svc+0x78/0x1e0 [ 209.484273][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 209.485131][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 209.487917][ T6863] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.490652][ T6863] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.622211][ T6866] loop1: detected capacity change from 0 to 32768 [ 209.711260][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.713046][ T6866] CPU: 1 PID: 6866 Comm: syz.1.586 Not tainted syzkaller #0 [ 209.714074][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.715513][ T6866] Call trace: [ 209.715970][ T6866] dump_backtrace+0x0/0x43c [ 209.716645][ T6866] show_stack+0x2c/0x3c [ 209.717251][ T6866] __dump_stack+0x30/0x40 [ 209.717878][ T6866] dump_stack_lvl+0xf8/0x160 [ 209.718534][ T6866] dump_stack+0x1c/0x5c [ 209.719143][ T6866] sysfs_create_dir_ns+0x22c/0x24c [ 209.719950][ T6866] kobject_add_internal+0x590/0xc54 [ 209.720731][ T6866] kobject_init_and_add+0x118/0x17c [ 209.721631][ T6866] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.722366][ T6866] gfs2_fill_super+0xdac/0x19e0 [ 209.723120][ T6866] get_tree_bdev+0x358/0x544 [ 209.723825][ T6866] gfs2_get_tree+0x54/0x1b4 [ 209.724567][ T6866] vfs_get_tree+0x90/0x274 [ 209.725170][ T6866] do_new_mount+0x228/0x810 [ 209.725809][ T6866] path_mount+0x5b4/0x1000 [ 209.726420][ T6866] __arm64_sys_mount+0x514/0x5e4 [ 209.727155][ T6866] invoke_syscall+0x98/0x2b8 [ 209.727836][ T6866] el0_svc_common+0x138/0x258 [ 209.728491][ T6866] do_el0_svc+0x58/0x14c [ 209.729122][ T6866] el0_svc+0x78/0x1e0 [ 209.729684][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 209.730443][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 209.731613][ T6866] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.734019][ T6866] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.861145][ T6869] loop1: detected capacity change from 0 to 32768 [ 209.869232][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.870877][ T6869] CPU: 0 PID: 6869 Comm: syz.1.587 Not tainted syzkaller #0 [ 209.872046][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.873546][ T6869] Call trace: [ 209.874091][ T6869] dump_backtrace+0x0/0x43c [ 209.874762][ T6869] show_stack+0x2c/0x3c [ 209.875398][ T6869] __dump_stack+0x30/0x40 [ 209.876056][ T6869] dump_stack_lvl+0xf8/0x160 [ 209.876779][ T6869] dump_stack+0x1c/0x5c [ 209.877451][ T6869] sysfs_create_dir_ns+0x22c/0x24c [ 209.878238][ T6869] kobject_add_internal+0x590/0xc54 [ 209.879090][ T6869] kobject_init_and_add+0x118/0x17c [ 209.879919][ T6869] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.880736][ T6869] gfs2_fill_super+0xdac/0x19e0 [ 209.881508][ T6869] get_tree_bdev+0x358/0x544 [ 209.882237][ T6869] gfs2_get_tree+0x54/0x1b4 [ 209.882996][ T6869] vfs_get_tree+0x90/0x274 [ 209.883695][ T6869] do_new_mount+0x228/0x810 [ 209.884407][ T6869] path_mount+0x5b4/0x1000 [ 209.885150][ T6869] __arm64_sys_mount+0x514/0x5e4 [ 209.885897][ T6869] invoke_syscall+0x98/0x2b8 [ 209.886677][ T6869] el0_svc_common+0x138/0x258 [ 209.887441][ T6869] do_el0_svc+0x58/0x14c [ 209.888107][ T6869] el0_svc+0x78/0x1e0 [ 209.888732][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 209.889460][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 209.891489][ T6869] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.893754][ T6869] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.024413][ T6872] loop1: detected capacity change from 0 to 32768 [ 210.080073][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.081736][ T6872] CPU: 1 PID: 6872 Comm: syz.1.588 Not tainted syzkaller #0 [ 210.082799][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.084256][ T6872] Call trace: [ 210.084765][ T6872] dump_backtrace+0x0/0x43c [ 210.085483][ T6872] show_stack+0x2c/0x3c [ 210.086125][ T6872] __dump_stack+0x30/0x40 [ 210.086758][ T6872] dump_stack_lvl+0xf8/0x160 [ 210.087481][ T6872] dump_stack+0x1c/0x5c [ 210.088137][ T6872] sysfs_create_dir_ns+0x22c/0x24c [ 210.088951][ T6872] kobject_add_internal+0x590/0xc54 [ 210.089784][ T6872] kobject_init_and_add+0x118/0x17c [ 210.090560][ T6872] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.091290][ T6872] gfs2_fill_super+0xdac/0x19e0 [ 210.091976][ T6872] get_tree_bdev+0x358/0x544 [ 210.092730][ T6872] gfs2_get_tree+0x54/0x1b4 [ 210.093462][ T6872] vfs_get_tree+0x90/0x274 [ 210.094198][ T6872] do_new_mount+0x228/0x810 [ 210.094983][ T6872] path_mount+0x5b4/0x1000 [ 210.095658][ T6872] __arm64_sys_mount+0x514/0x5e4 [ 210.096388][ T6872] invoke_syscall+0x98/0x2b8 [ 210.097091][ T6872] el0_svc_common+0x138/0x258 [ 210.097796][ T6872] do_el0_svc+0x58/0x14c [ 210.098490][ T6872] el0_svc+0x78/0x1e0 [ 210.099109][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 210.099830][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 210.101033][ T6872] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.103386][ T6872] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.333767][ T6875] loop1: detected capacity change from 0 to 32768 [ 210.374689][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.376288][ T6875] CPU: 1 PID: 6875 Comm: syz.1.589 Not tainted syzkaller #0 [ 210.377360][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.378793][ T6875] Call trace: [ 210.379310][ T6875] dump_backtrace+0x0/0x43c [ 210.380016][ T6875] show_stack+0x2c/0x3c [ 210.380610][ T6875] __dump_stack+0x30/0x40 [ 210.381319][ T6875] dump_stack_lvl+0xf8/0x160 [ 210.382069][ T6875] dump_stack+0x1c/0x5c [ 210.382783][ T6875] sysfs_create_dir_ns+0x22c/0x24c [ 210.383629][ T6875] kobject_add_internal+0x590/0xc54 [ 210.384531][ T6875] kobject_init_and_add+0x118/0x17c [ 210.385353][ T6875] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.386124][ T6875] gfs2_fill_super+0xdac/0x19e0 [ 210.386913][ T6875] get_tree_bdev+0x358/0x544 [ 210.387607][ T6875] gfs2_get_tree+0x54/0x1b4 [ 210.388287][ T6875] vfs_get_tree+0x90/0x274 [ 210.388915][ T6875] do_new_mount+0x228/0x810 [ 210.389569][ T6875] path_mount+0x5b4/0x1000 [ 210.390222][ T6875] __arm64_sys_mount+0x514/0x5e4 [ 210.390958][ T6875] invoke_syscall+0x98/0x2b8 [ 210.391683][ T6875] el0_svc_common+0x138/0x258 [ 210.392383][ T6875] do_el0_svc+0x58/0x14c [ 210.393025][ T6875] el0_svc+0x78/0x1e0 [ 210.393657][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 210.394402][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 210.395300][ T6875] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.397801][ T6875] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.527431][ T6878] loop1: detected capacity change from 0 to 32768 [ 210.560281][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.561806][ T6878] CPU: 0 PID: 6878 Comm: syz.1.590 Not tainted syzkaller #0 [ 210.562824][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.564249][ T6878] Call trace: [ 210.564712][ T6878] dump_backtrace+0x0/0x43c [ 210.565331][ T6878] show_stack+0x2c/0x3c [ 210.565890][ T6878] __dump_stack+0x30/0x40 [ 210.566565][ T6878] dump_stack_lvl+0xf8/0x160 [ 210.567298][ T6878] dump_stack+0x1c/0x5c [ 210.567889][ T6878] sysfs_create_dir_ns+0x22c/0x24c [ 210.568638][ T6878] kobject_add_internal+0x590/0xc54 [ 210.569376][ T6878] kobject_init_and_add+0x118/0x17c [ 210.570196][ T6878] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.570886][ T6878] gfs2_fill_super+0xdac/0x19e0 [ 210.571694][ T6878] get_tree_bdev+0x358/0x544 [ 210.572353][ T6878] gfs2_get_tree+0x54/0x1b4 [ 210.573063][ T6878] vfs_get_tree+0x90/0x274 [ 210.573754][ T6878] do_new_mount+0x228/0x810 [ 210.574497][ T6878] path_mount+0x5b4/0x1000 [ 210.575159][ T6878] __arm64_sys_mount+0x514/0x5e4 [ 210.575848][ T6878] invoke_syscall+0x98/0x2b8 [ 210.576504][ T6878] el0_svc_common+0x138/0x258 [ 210.577155][ T6878] do_el0_svc+0x58/0x14c [ 210.577823][ T6878] el0_svc+0x78/0x1e0 [ 210.578483][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 210.579253][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 210.581720][ T6878] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.584128][ T6878] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.715144][ T6881] loop1: detected capacity change from 0 to 32768 [ 210.722449][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.724192][ T6881] CPU: 1 PID: 6881 Comm: syz.1.591 Not tainted syzkaller #0 [ 210.725276][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.726873][ T6881] Call trace: [ 210.727411][ T6881] dump_backtrace+0x0/0x43c [ 210.728097][ T6881] show_stack+0x2c/0x3c [ 210.728704][ T6881] __dump_stack+0x30/0x40 [ 210.729398][ T6881] dump_stack_lvl+0xf8/0x160 [ 210.730146][ T6881] dump_stack+0x1c/0x5c [ 210.730832][ T6881] sysfs_create_dir_ns+0x22c/0x24c [ 210.731628][ T6881] kobject_add_internal+0x590/0xc54 [ 210.732376][ T6881] kobject_init_and_add+0x118/0x17c [ 210.733119][ T6881] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.733865][ T6881] gfs2_fill_super+0xdac/0x19e0 [ 210.734674][ T6881] get_tree_bdev+0x358/0x544 [ 210.735418][ T6881] gfs2_get_tree+0x54/0x1b4 [ 210.736102][ T6881] vfs_get_tree+0x90/0x274 [ 210.736801][ T6881] do_new_mount+0x228/0x810 [ 210.737484][ T6881] path_mount+0x5b4/0x1000 [ 210.738165][ T6881] __arm64_sys_mount+0x514/0x5e4 [ 210.738967][ T6881] invoke_syscall+0x98/0x2b8 [ 210.739647][ T6881] el0_svc_common+0x138/0x258 [ 210.740395][ T6881] do_el0_svc+0x58/0x14c [ 210.740993][ T6881] el0_svc+0x78/0x1e0 [ 210.741549][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 210.742250][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 210.743365][ T6881] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.745602][ T6881] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.880721][ T6884] loop1: detected capacity change from 0 to 32768 [ 210.887713][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.889303][ T6884] CPU: 0 PID: 6884 Comm: syz.1.592 Not tainted syzkaller #0 [ 210.890305][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.891780][ T6884] Call trace: [ 210.892241][ T6884] dump_backtrace+0x0/0x43c [ 210.892845][ T6884] show_stack+0x2c/0x3c [ 210.893434][ T6884] __dump_stack+0x30/0x40 [ 210.894046][ T6884] dump_stack_lvl+0xf8/0x160 [ 210.894699][ T6884] dump_stack+0x1c/0x5c [ 210.895271][ T6884] sysfs_create_dir_ns+0x22c/0x24c [ 210.896016][ T6884] kobject_add_internal+0x590/0xc54 [ 210.896760][ T6884] kobject_init_and_add+0x118/0x17c [ 210.897534][ T6884] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.898193][ T6884] gfs2_fill_super+0xdac/0x19e0 [ 210.898882][ T6884] get_tree_bdev+0x358/0x544 [ 210.899533][ T6884] gfs2_get_tree+0x54/0x1b4 [ 210.900243][ T6884] vfs_get_tree+0x90/0x274 [ 210.900932][ T6884] do_new_mount+0x228/0x810 [ 210.901668][ T6884] path_mount+0x5b4/0x1000 [ 210.902372][ T6884] __arm64_sys_mount+0x514/0x5e4 [ 210.903124][ T6884] invoke_syscall+0x98/0x2b8 [ 210.903876][ T6884] el0_svc_common+0x138/0x258 [ 210.904632][ T6884] do_el0_svc+0x58/0x14c [ 210.905274][ T6884] el0_svc+0x78/0x1e0 [ 210.905835][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 210.906621][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 210.908754][ T6884] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.911322][ T6884] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.038697][ T6887] loop1: detected capacity change from 0 to 32768 [ 211.133694][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.135492][ T6887] CPU: 1 PID: 6887 Comm: syz.1.593 Not tainted syzkaller #0 [ 211.136644][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.138146][ T6887] Call trace: [ 211.138647][ T6887] dump_backtrace+0x0/0x43c [ 211.139402][ T6887] show_stack+0x2c/0x3c [ 211.140025][ T6887] __dump_stack+0x30/0x40 [ 211.140696][ T6887] dump_stack_lvl+0xf8/0x160 [ 211.141424][ T6887] dump_stack+0x1c/0x5c [ 211.142080][ T6887] sysfs_create_dir_ns+0x22c/0x24c [ 211.142900][ T6887] kobject_add_internal+0x590/0xc54 [ 211.143750][ T6887] kobject_init_and_add+0x118/0x17c [ 211.144604][ T6887] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.145331][ T6887] gfs2_fill_super+0xdac/0x19e0 [ 211.146041][ T6887] get_tree_bdev+0x358/0x544 [ 211.146787][ T6887] gfs2_get_tree+0x54/0x1b4 [ 211.147489][ T6887] vfs_get_tree+0x90/0x274 [ 211.148209][ T6887] do_new_mount+0x228/0x810 [ 211.148963][ T6887] path_mount+0x5b4/0x1000 [ 211.149639][ T6887] __arm64_sys_mount+0x514/0x5e4 [ 211.150376][ T6887] invoke_syscall+0x98/0x2b8 [ 211.151106][ T6887] el0_svc_common+0x138/0x258 [ 211.151803][ T6887] do_el0_svc+0x58/0x14c [ 211.152415][ T6887] el0_svc+0x78/0x1e0 [ 211.153037][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 211.153807][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 211.155246][ T6887] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.157854][ T6887] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.288167][ T6890] loop1: detected capacity change from 0 to 32768 [ 211.295523][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.297051][ T6890] CPU: 0 PID: 6890 Comm: syz.1.594 Not tainted syzkaller #0 [ 211.298076][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.299531][ T6890] Call trace: [ 211.300038][ T6890] dump_backtrace+0x0/0x43c [ 211.300674][ T6890] show_stack+0x2c/0x3c [ 211.301251][ T6890] __dump_stack+0x30/0x40 [ 211.301854][ T6890] dump_stack_lvl+0xf8/0x160 [ 211.302524][ T6890] dump_stack+0x1c/0x5c [ 211.303165][ T6890] sysfs_create_dir_ns+0x22c/0x24c [ 211.303925][ T6890] kobject_add_internal+0x590/0xc54 [ 211.304764][ T6890] kobject_init_and_add+0x118/0x17c [ 211.305651][ T6890] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.306410][ T6890] gfs2_fill_super+0xdac/0x19e0 [ 211.307095][ T6890] get_tree_bdev+0x358/0x544 [ 211.307794][ T6890] gfs2_get_tree+0x54/0x1b4 [ 211.308541][ T6890] vfs_get_tree+0x90/0x274 [ 211.309275][ T6890] do_new_mount+0x228/0x810 [ 211.310036][ T6890] path_mount+0x5b4/0x1000 [ 211.310782][ T6890] __arm64_sys_mount+0x514/0x5e4 [ 211.311570][ T6890] invoke_syscall+0x98/0x2b8 [ 211.312287][ T6890] el0_svc_common+0x138/0x258 [ 211.312949][ T6890] do_el0_svc+0x58/0x14c [ 211.313575][ T6890] el0_svc+0x78/0x1e0 [ 211.314219][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 211.315041][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 211.315907][ T6890] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.318351][ T6890] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.448461][ T6893] loop1: detected capacity change from 0 to 32768 [ 211.456117][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.457659][ T6893] CPU: 1 PID: 6893 Comm: syz.1.595 Not tainted syzkaller #0 [ 211.458782][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.460332][ T6893] Call trace: [ 211.460856][ T6893] dump_backtrace+0x0/0x43c [ 211.461619][ T6893] show_stack+0x2c/0x3c [ 211.462328][ T6893] __dump_stack+0x30/0x40 [ 211.463021][ T6893] dump_stack_lvl+0xf8/0x160 [ 211.463780][ T6893] dump_stack+0x1c/0x5c [ 211.464498][ T6893] sysfs_create_dir_ns+0x22c/0x24c [ 211.465387][ T6893] kobject_add_internal+0x590/0xc54 [ 211.466236][ T6893] kobject_init_and_add+0x118/0x17c [ 211.467039][ T6893] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.467820][ T6893] gfs2_fill_super+0xdac/0x19e0 [ 211.468651][ T6893] get_tree_bdev+0x358/0x544 [ 211.469345][ T6893] gfs2_get_tree+0x54/0x1b4 [ 211.470045][ T6893] vfs_get_tree+0x90/0x274 [ 211.470693][ T6893] do_new_mount+0x228/0x810 [ 211.471356][ T6893] path_mount+0x5b4/0x1000 [ 211.471991][ T6893] __arm64_sys_mount+0x514/0x5e4 [ 211.472688][ T6893] invoke_syscall+0x98/0x2b8 [ 211.473364][ T6893] el0_svc_common+0x138/0x258 [ 211.474056][ T6893] do_el0_svc+0x58/0x14c [ 211.474653][ T6893] el0_svc+0x78/0x1e0 [ 211.475246][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 211.476017][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 211.479765][ T6893] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.482284][ T6893] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.657440][ T6896] loop1: detected capacity change from 0 to 32768 [ 211.690255][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.691826][ T6896] CPU: 1 PID: 6896 Comm: syz.1.596 Not tainted syzkaller #0 [ 211.692944][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.694518][ T6896] Call trace: [ 211.695057][ T6896] dump_backtrace+0x0/0x43c [ 211.695756][ T6896] show_stack+0x2c/0x3c [ 211.696386][ T6896] __dump_stack+0x30/0x40 [ 211.697055][ T6896] dump_stack_lvl+0xf8/0x160 [ 211.697777][ T6896] dump_stack+0x1c/0x5c [ 211.698428][ T6896] sysfs_create_dir_ns+0x22c/0x24c [ 211.699133][ T6896] kobject_add_internal+0x590/0xc54 [ 211.699894][ T6896] kobject_init_and_add+0x118/0x17c [ 211.700697][ T6896] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.701393][ T6896] gfs2_fill_super+0xdac/0x19e0 [ 211.702182][ T6896] get_tree_bdev+0x358/0x544 [ 211.702908][ T6896] gfs2_get_tree+0x54/0x1b4 [ 211.703635][ T6896] vfs_get_tree+0x90/0x274 [ 211.704348][ T6896] do_new_mount+0x228/0x810 [ 211.705092][ T6896] path_mount+0x5b4/0x1000 [ 211.705734][ T6896] __arm64_sys_mount+0x514/0x5e4 [ 211.706438][ T6896] invoke_syscall+0x98/0x2b8 [ 211.707105][ T6896] el0_svc_common+0x138/0x258 [ 211.707858][ T6896] do_el0_svc+0x58/0x14c [ 211.708560][ T6896] el0_svc+0x78/0x1e0 [ 211.709216][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 211.709934][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 211.712087][ T6896] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.714531][ T6896] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.845336][ T6899] loop1: detected capacity change from 0 to 32768 [ 211.934245][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.936406][ T6899] CPU: 0 PID: 6899 Comm: syz.1.597 Not tainted syzkaller #0 [ 211.937592][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.939186][ T6899] Call trace: [ 211.939749][ T6899] dump_backtrace+0x0/0x43c [ 211.940423][ T6899] show_stack+0x2c/0x3c [ 211.941070][ T6899] __dump_stack+0x30/0x40 [ 211.941728][ T6899] dump_stack_lvl+0xf8/0x160 [ 211.942470][ T6899] dump_stack+0x1c/0x5c [ 211.943137][ T6899] sysfs_create_dir_ns+0x22c/0x24c [ 211.943929][ T6899] kobject_add_internal+0x590/0xc54 [ 211.944783][ T6899] kobject_init_and_add+0x118/0x17c [ 211.945627][ T6899] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.946333][ T6899] gfs2_fill_super+0xdac/0x19e0 [ 211.947051][ T6899] get_tree_bdev+0x358/0x544 [ 211.947828][ T6899] gfs2_get_tree+0x54/0x1b4 [ 211.948590][ T6899] vfs_get_tree+0x90/0x274 [ 211.949296][ T6899] do_new_mount+0x228/0x810 [ 211.950008][ T6899] path_mount+0x5b4/0x1000 [ 211.950655][ T6899] __arm64_sys_mount+0x514/0x5e4 [ 211.951315][ T6899] invoke_syscall+0x98/0x2b8 [ 211.951977][ T6899] el0_svc_common+0x138/0x258 [ 211.952638][ T6899] do_el0_svc+0x58/0x14c [ 211.953354][ T6899] el0_svc+0x78/0x1e0 [ 211.954010][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 211.954787][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 211.957175][ T6899] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.959793][ T6899] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.094348][ T6902] loop1: detected capacity change from 0 to 32768 [ 212.101692][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.103339][ T6902] CPU: 1 PID: 6902 Comm: syz.1.598 Not tainted syzkaller #0 [ 212.104415][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.105943][ T6902] Call trace: [ 212.106393][ T6902] dump_backtrace+0x0/0x43c [ 212.107047][ T6902] show_stack+0x2c/0x3c [ 212.107618][ T6902] __dump_stack+0x30/0x40 [ 212.108302][ T6902] dump_stack_lvl+0xf8/0x160 [ 212.109004][ T6902] dump_stack+0x1c/0x5c [ 212.109716][ T6902] sysfs_create_dir_ns+0x22c/0x24c [ 212.110481][ T6902] kobject_add_internal+0x590/0xc54 [ 212.111342][ T6902] kobject_init_and_add+0x118/0x17c [ 212.112153][ T6902] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.112888][ T6902] gfs2_fill_super+0xdac/0x19e0 [ 212.113624][ T6902] get_tree_bdev+0x358/0x544 [ 212.114305][ T6902] gfs2_get_tree+0x54/0x1b4 [ 212.114935][ T6902] vfs_get_tree+0x90/0x274 [ 212.115627][ T6902] do_new_mount+0x228/0x810 [ 212.116305][ T6902] path_mount+0x5b4/0x1000 [ 212.116915][ T6902] __arm64_sys_mount+0x514/0x5e4 [ 212.117584][ T6902] invoke_syscall+0x98/0x2b8 [ 212.118270][ T6902] el0_svc_common+0x138/0x258 [ 212.119013][ T6902] do_el0_svc+0x58/0x14c [ 212.119637][ T6902] el0_svc+0x78/0x1e0 [ 212.120230][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 212.120957][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 212.121754][ T6902] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.124099][ T6902] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.256036][ T6905] loop1: detected capacity change from 0 to 32768 [ 212.290215][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.291860][ T6905] CPU: 1 PID: 6905 Comm: syz.1.599 Not tainted syzkaller #0 [ 212.292938][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.294504][ T6905] Call trace: [ 212.294961][ T6905] dump_backtrace+0x0/0x43c [ 212.295607][ T6905] show_stack+0x2c/0x3c [ 212.296226][ T6905] __dump_stack+0x30/0x40 [ 212.296973][ T6905] dump_stack_lvl+0xf8/0x160 [ 212.297739][ T6905] dump_stack+0x1c/0x5c [ 212.298433][ T6905] sysfs_create_dir_ns+0x22c/0x24c [ 212.299215][ T6905] kobject_add_internal+0x590/0xc54 [ 212.300077][ T6905] kobject_init_and_add+0x118/0x17c [ 212.300891][ T6905] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.301626][ T6905] gfs2_fill_super+0xdac/0x19e0 [ 212.302411][ T6905] get_tree_bdev+0x358/0x544 [ 212.303145][ T6905] gfs2_get_tree+0x54/0x1b4 [ 212.303881][ T6905] vfs_get_tree+0x90/0x274 [ 212.304619][ T6905] do_new_mount+0x228/0x810 [ 212.305340][ T6905] path_mount+0x5b4/0x1000 [ 212.306069][ T6905] __arm64_sys_mount+0x514/0x5e4 [ 212.306859][ T6905] invoke_syscall+0x98/0x2b8 [ 212.307588][ T6905] el0_svc_common+0x138/0x258 [ 212.308401][ T6905] do_el0_svc+0x58/0x14c [ 212.309091][ T6905] el0_svc+0x78/0x1e0 [ 212.309772][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 212.310603][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 212.312836][ T6905] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.315272][ T6905] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.449656][ T6908] loop1: detected capacity change from 0 to 32768 [ 212.490686][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.492980][ T6908] CPU: 1 PID: 6908 Comm: syz.1.600 Not tainted syzkaller #0 [ 212.494022][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.495686][ T6908] Call trace: [ 212.496239][ T6908] dump_backtrace+0x0/0x43c [ 212.496935][ T6908] show_stack+0x2c/0x3c [ 212.497546][ T6908] __dump_stack+0x30/0x40 [ 212.498190][ T6908] dump_stack_lvl+0xf8/0x160 [ 212.498897][ T6908] dump_stack+0x1c/0x5c [ 212.499611][ T6908] sysfs_create_dir_ns+0x22c/0x24c [ 212.500341][ T6908] kobject_add_internal+0x590/0xc54 [ 212.501166][ T6908] kobject_init_and_add+0x118/0x17c [ 212.501886][ T6908] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.502594][ T6908] gfs2_fill_super+0xdac/0x19e0 [ 212.503265][ T6908] get_tree_bdev+0x358/0x544 [ 212.504036][ T6908] gfs2_get_tree+0x54/0x1b4 [ 212.504770][ T6908] vfs_get_tree+0x90/0x274 [ 212.505486][ T6908] do_new_mount+0x228/0x810 [ 212.506245][ T6908] path_mount+0x5b4/0x1000 [ 212.506946][ T6908] __arm64_sys_mount+0x514/0x5e4 [ 212.507658][ T6908] invoke_syscall+0x98/0x2b8 [ 212.508375][ T6908] el0_svc_common+0x138/0x258 [ 212.509022][ T6908] do_el0_svc+0x58/0x14c [ 212.509681][ T6908] el0_svc+0x78/0x1e0 [ 212.510283][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 212.511013][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 212.513491][ T6908] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.516070][ T6908] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.646294][ T6911] loop1: detected capacity change from 0 to 32768 [ 212.694690][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.696336][ T6911] CPU: 0 PID: 6911 Comm: syz.1.601 Not tainted syzkaller #0 [ 212.697415][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.698956][ T6911] Call trace: [ 212.699471][ T6911] dump_backtrace+0x0/0x43c [ 212.700162][ T6911] show_stack+0x2c/0x3c [ 212.700784][ T6911] __dump_stack+0x30/0x40 [ 212.701449][ T6911] dump_stack_lvl+0xf8/0x160 [ 212.702169][ T6911] dump_stack+0x1c/0x5c [ 212.702886][ T6911] sysfs_create_dir_ns+0x22c/0x24c [ 212.703612][ T6911] kobject_add_internal+0x590/0xc54 [ 212.704335][ T6911] kobject_init_and_add+0x118/0x17c [ 212.705061][ T6911] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.705784][ T6911] gfs2_fill_super+0xdac/0x19e0 [ 212.706521][ T6911] get_tree_bdev+0x358/0x544 [ 212.707254][ T6911] gfs2_get_tree+0x54/0x1b4 [ 212.707865][ T6911] vfs_get_tree+0x90/0x274 [ 212.708560][ T6911] do_new_mount+0x228/0x810 [ 212.709203][ T6911] path_mount+0x5b4/0x1000 [ 212.709957][ T6911] __arm64_sys_mount+0x514/0x5e4 [ 212.710706][ T6911] invoke_syscall+0x98/0x2b8 [ 212.711430][ T6911] el0_svc_common+0x138/0x258 [ 212.712197][ T6911] do_el0_svc+0x58/0x14c [ 212.712863][ T6911] el0_svc+0x78/0x1e0 [ 212.713481][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 212.714294][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 212.715381][ T6911] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.717882][ T6911] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.847396][ T6914] loop1: detected capacity change from 0 to 32768 [ 212.894299][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.895904][ T6914] CPU: 1 PID: 6914 Comm: syz.1.602 Not tainted syzkaller #0 [ 212.897029][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.898504][ T6914] Call trace: [ 212.898945][ T6914] dump_backtrace+0x0/0x43c [ 212.899638][ T6914] show_stack+0x2c/0x3c [ 212.900258][ T6914] __dump_stack+0x30/0x40 [ 212.900926][ T6914] dump_stack_lvl+0xf8/0x160 [ 212.901632][ T6914] dump_stack+0x1c/0x5c [ 212.902235][ T6914] sysfs_create_dir_ns+0x22c/0x24c [ 212.902935][ T6914] kobject_add_internal+0x590/0xc54 [ 212.903744][ T6914] kobject_init_and_add+0x118/0x17c [ 212.904556][ T6914] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.905331][ T6914] gfs2_fill_super+0xdac/0x19e0 [ 212.906105][ T6914] get_tree_bdev+0x358/0x544 [ 212.906768][ T6914] gfs2_get_tree+0x54/0x1b4 [ 212.907431][ T6914] vfs_get_tree+0x90/0x274 [ 212.908063][ T6914] do_new_mount+0x228/0x810 [ 212.908710][ T6914] path_mount+0x5b4/0x1000 [ 212.909314][ T6914] __arm64_sys_mount+0x514/0x5e4 [ 212.910119][ T6914] invoke_syscall+0x98/0x2b8 [ 212.910876][ T6914] el0_svc_common+0x138/0x258 [ 212.911639][ T6914] do_el0_svc+0x58/0x14c [ 212.912316][ T6914] el0_svc+0x78/0x1e0 [ 212.912943][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 212.913755][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 212.914914][ T6914] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.917481][ T6914] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.043033][ T6917] loop1: detected capacity change from 0 to 32768 [ 213.133073][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.134718][ T6917] CPU: 1 PID: 6917 Comm: syz.1.603 Not tainted syzkaller #0 [ 213.135759][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.137288][ T6917] Call trace: [ 213.137771][ T6917] dump_backtrace+0x0/0x43c [ 213.138396][ T6917] show_stack+0x2c/0x3c [ 213.138948][ T6917] __dump_stack+0x30/0x40 [ 213.139644][ T6917] dump_stack_lvl+0xf8/0x160 [ 213.140394][ T6917] dump_stack+0x1c/0x5c [ 213.141069][ T6917] sysfs_create_dir_ns+0x22c/0x24c [ 213.141845][ T6917] kobject_add_internal+0x590/0xc54 [ 213.142608][ T6917] kobject_init_and_add+0x118/0x17c [ 213.143492][ T6917] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.144303][ T6917] gfs2_fill_super+0xdac/0x19e0 [ 213.145065][ T6917] get_tree_bdev+0x358/0x544 [ 213.145814][ T6917] gfs2_get_tree+0x54/0x1b4 [ 213.146532][ T6917] vfs_get_tree+0x90/0x274 [ 213.147160][ T6917] do_new_mount+0x228/0x810 [ 213.147834][ T6917] path_mount+0x5b4/0x1000 [ 213.148529][ T6917] __arm64_sys_mount+0x514/0x5e4 [ 213.149298][ T6917] invoke_syscall+0x98/0x2b8 [ 213.150029][ T6917] el0_svc_common+0x138/0x258 [ 213.150779][ T6917] do_el0_svc+0x58/0x14c [ 213.151504][ T6917] el0_svc+0x78/0x1e0 [ 213.152180][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 213.153031][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 213.153936][ T6917] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.156384][ T6917] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.290065][ T6920] loop1: detected capacity change from 0 to 32768 [ 213.383773][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.385462][ T6920] CPU: 0 PID: 6920 Comm: syz.1.604 Not tainted syzkaller #0 [ 213.386591][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.388155][ T6920] Call trace: [ 213.388651][ T6920] dump_backtrace+0x0/0x43c [ 213.389392][ T6920] show_stack+0x2c/0x3c [ 213.389997][ T6920] __dump_stack+0x30/0x40 [ 213.390656][ T6920] dump_stack_lvl+0xf8/0x160 [ 213.391357][ T6920] dump_stack+0x1c/0x5c [ 213.391930][ T6920] sysfs_create_dir_ns+0x22c/0x24c [ 213.392681][ T6920] kobject_add_internal+0x590/0xc54 [ 213.393512][ T6920] kobject_init_and_add+0x118/0x17c [ 213.394294][ T6920] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.395033][ T6920] gfs2_fill_super+0xdac/0x19e0 [ 213.395814][ T6920] get_tree_bdev+0x358/0x544 [ 213.396528][ T6920] gfs2_get_tree+0x54/0x1b4 [ 213.397249][ T6920] vfs_get_tree+0x90/0x274 [ 213.397989][ T6920] do_new_mount+0x228/0x810 [ 213.398686][ T6920] path_mount+0x5b4/0x1000 [ 213.399369][ T6920] __arm64_sys_mount+0x514/0x5e4 [ 213.400135][ T6920] invoke_syscall+0x98/0x2b8 [ 213.400827][ T6920] el0_svc_common+0x138/0x258 [ 213.401481][ T6920] do_el0_svc+0x58/0x14c [ 213.402089][ T6920] el0_svc+0x78/0x1e0 [ 213.402681][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 213.403431][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 213.404312][ T6920] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.406568][ T6920] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:33 executed programs: 591 [ 213.538597][ T6923] loop1: detected capacity change from 0 to 32768 [ 213.590447][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.592093][ T6923] CPU: 0 PID: 6923 Comm: syz.1.605 Not tainted syzkaller #0 [ 213.593266][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.594643][ T6923] Call trace: [ 213.595119][ T6923] dump_backtrace+0x0/0x43c [ 213.595748][ T6923] show_stack+0x2c/0x3c [ 213.596316][ T6923] __dump_stack+0x30/0x40 [ 213.596950][ T6923] dump_stack_lvl+0xf8/0x160 [ 213.597613][ T6923] dump_stack+0x1c/0x5c [ 213.598182][ T6923] sysfs_create_dir_ns+0x22c/0x24c [ 213.598875][ T6923] kobject_add_internal+0x590/0xc54 [ 213.599608][ T6923] kobject_init_and_add+0x118/0x17c [ 213.600382][ T6923] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.601109][ T6923] gfs2_fill_super+0xdac/0x19e0 [ 213.601825][ T6923] get_tree_bdev+0x358/0x544 [ 213.602483][ T6923] gfs2_get_tree+0x54/0x1b4 [ 213.603147][ T6923] vfs_get_tree+0x90/0x274 [ 213.603755][ T6923] do_new_mount+0x228/0x810 [ 213.604455][ T6923] path_mount+0x5b4/0x1000 [ 213.605134][ T6923] __arm64_sys_mount+0x514/0x5e4 [ 213.605886][ T6923] invoke_syscall+0x98/0x2b8 [ 213.606584][ T6923] el0_svc_common+0x138/0x258 [ 213.607311][ T6923] do_el0_svc+0x58/0x14c [ 213.607948][ T6923] el0_svc+0x78/0x1e0 [ 213.608554][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 213.609384][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 213.610271][ T6923] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.612652][ T6923] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.795365][ T6926] loop1: detected capacity change from 0 to 32768 [ 213.802715][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.804418][ T6926] CPU: 1 PID: 6926 Comm: syz.1.606 Not tainted syzkaller #0 [ 213.805515][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.807019][ T6926] Call trace: [ 213.807729][ T6926] dump_backtrace+0x0/0x43c [ 213.808348][ T6926] show_stack+0x2c/0x3c [ 213.808976][ T6926] __dump_stack+0x30/0x40 [ 213.809634][ T6926] dump_stack_lvl+0xf8/0x160 [ 213.810311][ T6926] dump_stack+0x1c/0x5c [ 213.810965][ T6926] sysfs_create_dir_ns+0x22c/0x24c [ 213.811819][ T6926] kobject_add_internal+0x590/0xc54 [ 213.812702][ T6926] kobject_init_and_add+0x118/0x17c [ 213.813552][ T6926] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.814288][ T6926] gfs2_fill_super+0xdac/0x19e0 [ 213.814981][ T6926] get_tree_bdev+0x358/0x544 [ 213.815628][ T6926] gfs2_get_tree+0x54/0x1b4 [ 213.816382][ T6926] vfs_get_tree+0x90/0x274 [ 213.817029][ T6926] do_new_mount+0x228/0x810 [ 213.817735][ T6926] path_mount+0x5b4/0x1000 [ 213.818373][ T6926] __arm64_sys_mount+0x514/0x5e4 [ 213.819063][ T6926] invoke_syscall+0x98/0x2b8 [ 213.819786][ T6926] el0_svc_common+0x138/0x258 [ 213.820473][ T6926] do_el0_svc+0x58/0x14c [ 213.821099][ T6926] el0_svc+0x78/0x1e0 [ 213.821720][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 213.822453][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 213.824803][ T6926] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.827491][ T6926] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.954839][ T6929] loop1: detected capacity change from 0 to 32768 [ 213.962316][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.963908][ T6929] CPU: 1 PID: 6929 Comm: syz.1.607 Not tainted syzkaller #0 [ 213.964968][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.966483][ T6929] Call trace: [ 213.966971][ T6929] dump_backtrace+0x0/0x43c [ 213.967663][ T6929] show_stack+0x2c/0x3c [ 213.968313][ T6929] __dump_stack+0x30/0x40 [ 213.969004][ T6929] dump_stack_lvl+0xf8/0x160 [ 213.969729][ T6929] dump_stack+0x1c/0x5c [ 213.970361][ T6929] sysfs_create_dir_ns+0x22c/0x24c [ 213.971143][ T6929] kobject_add_internal+0x590/0xc54 [ 213.971893][ T6929] kobject_init_and_add+0x118/0x17c [ 213.972674][ T6929] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.973375][ T6929] gfs2_fill_super+0xdac/0x19e0 [ 213.974134][ T6929] get_tree_bdev+0x358/0x544 [ 213.974880][ T6929] gfs2_get_tree+0x54/0x1b4 [ 213.975609][ T6929] vfs_get_tree+0x90/0x274 [ 213.976323][ T6929] do_new_mount+0x228/0x810 [ 213.977051][ T6929] path_mount+0x5b4/0x1000 [ 213.977792][ T6929] __arm64_sys_mount+0x514/0x5e4 [ 213.978503][ T6929] invoke_syscall+0x98/0x2b8 [ 213.979169][ T6929] el0_svc_common+0x138/0x258 [ 213.979961][ T6929] do_el0_svc+0x58/0x14c [ 213.980624][ T6929] el0_svc+0x78/0x1e0 [ 213.981213][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 213.981925][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 213.983904][ T6929] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.986368][ T6929] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.111946][ T6932] loop1: detected capacity change from 0 to 32768 [ 214.167496][ T6932] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.169172][ T6932] CPU: 1 PID: 6932 Comm: syz.1.608 Not tainted syzkaller #0 [ 214.170265][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.171684][ T6932] Call trace: [ 214.172135][ T6932] dump_backtrace+0x0/0x43c [ 214.172762][ T6932] show_stack+0x2c/0x3c [ 214.173385][ T6932] __dump_stack+0x30/0x40 [ 214.173953][ T6932] dump_stack_lvl+0xf8/0x160 [ 214.174553][ T6932] dump_stack+0x1c/0x5c [ 214.175206][ T6932] sysfs_create_dir_ns+0x22c/0x24c [ 214.175920][ T6932] kobject_add_internal+0x590/0xc54 [ 214.176637][ T6932] kobject_init_and_add+0x118/0x17c [ 214.177431][ T6932] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.178200][ T6932] gfs2_fill_super+0xdac/0x19e0 [ 214.178990][ T6932] get_tree_bdev+0x358/0x544 [ 214.179779][ T6932] gfs2_get_tree+0x54/0x1b4 [ 214.180513][ T6932] vfs_get_tree+0x90/0x274 [ 214.181242][ T6932] do_new_mount+0x228/0x810 [ 214.181938][ T6932] path_mount+0x5b4/0x1000 [ 214.182572][ T6932] __arm64_sys_mount+0x514/0x5e4 [ 214.183329][ T6932] invoke_syscall+0x98/0x2b8 [ 214.184073][ T6932] el0_svc_common+0x138/0x258 [ 214.184808][ T6932] do_el0_svc+0x58/0x14c [ 214.185488][ T6932] el0_svc+0x78/0x1e0 [ 214.186095][ T6932] el0t_64_sync_handler+0xcc/0xe4 [ 214.186865][ T6932] el0t_64_sync+0x1a0/0x1a4 [ 214.190277][ T6932] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.192653][ T6932] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.327859][ T6935] loop1: detected capacity change from 0 to 32768 [ 214.335365][ T6935] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.336913][ T6935] CPU: 0 PID: 6935 Comm: syz.1.609 Not tainted syzkaller #0 [ 214.337931][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.339318][ T6935] Call trace: [ 214.339781][ T6935] dump_backtrace+0x0/0x43c [ 214.340426][ T6935] show_stack+0x2c/0x3c [ 214.341029][ T6935] __dump_stack+0x30/0x40 [ 214.341727][ T6935] dump_stack_lvl+0xf8/0x160 [ 214.342525][ T6935] dump_stack+0x1c/0x5c [ 214.343165][ T6935] sysfs_create_dir_ns+0x22c/0x24c [ 214.344014][ T6935] kobject_add_internal+0x590/0xc54 [ 214.344800][ T6935] kobject_init_and_add+0x118/0x17c [ 214.345635][ T6935] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.346326][ T6935] gfs2_fill_super+0xdac/0x19e0 [ 214.347023][ T6935] get_tree_bdev+0x358/0x544 [ 214.347681][ T6935] gfs2_get_tree+0x54/0x1b4 [ 214.348343][ T6935] vfs_get_tree+0x90/0x274 [ 214.348992][ T6935] do_new_mount+0x228/0x810 [ 214.349606][ T6935] path_mount+0x5b4/0x1000 [ 214.350231][ T6935] __arm64_sys_mount+0x514/0x5e4 [ 214.350904][ T6935] invoke_syscall+0x98/0x2b8 [ 214.351587][ T6935] el0_svc_common+0x138/0x258 [ 214.352251][ T6935] do_el0_svc+0x58/0x14c [ 214.352894][ T6935] el0_svc+0x78/0x1e0 [ 214.353502][ T6935] el0t_64_sync_handler+0xcc/0xe4 [ 214.354290][ T6935] el0t_64_sync+0x1a0/0x1a4 [ 214.355464][ T6935] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.357736][ T6935] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.489360][ T6938] loop1: detected capacity change from 0 to 32768 [ 214.538383][ T6938] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.540262][ T6938] CPU: 0 PID: 6938 Comm: syz.1.610 Not tainted syzkaller #0 [ 214.541372][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.542795][ T6938] Call trace: [ 214.543252][ T6938] dump_backtrace+0x0/0x43c [ 214.543996][ T6938] show_stack+0x2c/0x3c [ 214.544665][ T6938] __dump_stack+0x30/0x40 [ 214.545363][ T6938] dump_stack_lvl+0xf8/0x160 [ 214.546039][ T6938] dump_stack+0x1c/0x5c [ 214.546689][ T6938] sysfs_create_dir_ns+0x22c/0x24c [ 214.547489][ T6938] kobject_add_internal+0x590/0xc54 [ 214.548337][ T6938] kobject_init_and_add+0x118/0x17c [ 214.549156][ T6938] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.549892][ T6938] gfs2_fill_super+0xdac/0x19e0 [ 214.550674][ T6938] get_tree_bdev+0x358/0x544 [ 214.551361][ T6938] gfs2_get_tree+0x54/0x1b4 [ 214.551976][ T6938] vfs_get_tree+0x90/0x274 [ 214.552678][ T6938] do_new_mount+0x228/0x810 [ 214.553346][ T6938] path_mount+0x5b4/0x1000 [ 214.554047][ T6938] __arm64_sys_mount+0x514/0x5e4 [ 214.554874][ T6938] invoke_syscall+0x98/0x2b8 [ 214.555644][ T6938] el0_svc_common+0x138/0x258 [ 214.556448][ T6938] do_el0_svc+0x58/0x14c [ 214.557098][ T6938] el0_svc+0x78/0x1e0 [ 214.557747][ T6938] el0t_64_sync_handler+0xcc/0xe4 [ 214.558555][ T6938] el0t_64_sync+0x1a0/0x1a4 [ 214.560858][ T6938] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.563328][ T6938] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.770017][ T6941] loop1: detected capacity change from 0 to 32768 [ 214.825246][ T6941] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.826864][ T6941] CPU: 1 PID: 6941 Comm: syz.1.611 Not tainted syzkaller #0 [ 214.827922][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.829489][ T6941] Call trace: [ 214.830084][ T6941] dump_backtrace+0x0/0x43c [ 214.830821][ T6941] show_stack+0x2c/0x3c [ 214.831486][ T6941] __dump_stack+0x30/0x40 [ 214.832238][ T6941] dump_stack_lvl+0xf8/0x160 [ 214.832931][ T6941] dump_stack+0x1c/0x5c [ 214.833618][ T6941] sysfs_create_dir_ns+0x22c/0x24c [ 214.834433][ T6941] kobject_add_internal+0x590/0xc54 [ 214.835227][ T6941] kobject_init_and_add+0x118/0x17c [ 214.836036][ T6941] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.836815][ T6941] gfs2_fill_super+0xdac/0x19e0 [ 214.837597][ T6941] get_tree_bdev+0x358/0x544 [ 214.838343][ T6941] gfs2_get_tree+0x54/0x1b4 [ 214.839070][ T6941] vfs_get_tree+0x90/0x274 [ 214.839727][ T6941] do_new_mount+0x228/0x810 [ 214.840426][ T6941] path_mount+0x5b4/0x1000 [ 214.841126][ T6941] __arm64_sys_mount+0x514/0x5e4 [ 214.841917][ T6941] invoke_syscall+0x98/0x2b8 [ 214.842655][ T6941] el0_svc_common+0x138/0x258 [ 214.843437][ T6941] do_el0_svc+0x58/0x14c [ 214.844149][ T6941] el0_svc+0x78/0x1e0 [ 214.844782][ T6941] el0t_64_sync_handler+0xcc/0xe4 [ 214.845587][ T6941] el0t_64_sync+0x1a0/0x1a4 [ 214.846443][ T6941] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.848768][ T6941] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.981287][ T6944] loop1: detected capacity change from 0 to 32768 [ 214.988468][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.990153][ T6944] CPU: 0 PID: 6944 Comm: syz.1.612 Not tainted syzkaller #0 [ 214.991122][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.992480][ T6944] Call trace: [ 214.992914][ T6944] dump_backtrace+0x0/0x43c [ 214.993554][ T6944] show_stack+0x2c/0x3c [ 214.994104][ T6944] __dump_stack+0x30/0x40 [ 214.994709][ T6944] dump_stack_lvl+0xf8/0x160 [ 214.995368][ T6944] dump_stack+0x1c/0x5c [ 214.995922][ T6944] sysfs_create_dir_ns+0x22c/0x24c [ 214.996610][ T6944] kobject_add_internal+0x590/0xc54 [ 214.997322][ T6944] kobject_init_and_add+0x118/0x17c [ 214.998062][ T6944] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.998692][ T6944] gfs2_fill_super+0xdac/0x19e0 [ 214.999340][ T6944] get_tree_bdev+0x358/0x544 [ 215.000043][ T6944] gfs2_get_tree+0x54/0x1b4 [ 215.000685][ T6944] vfs_get_tree+0x90/0x274 [ 215.001306][ T6944] do_new_mount+0x228/0x810 [ 215.001904][ T6944] path_mount+0x5b4/0x1000 [ 215.002554][ T6944] __arm64_sys_mount+0x514/0x5e4 [ 215.003277][ T6944] invoke_syscall+0x98/0x2b8 [ 215.004050][ T6944] el0_svc_common+0x138/0x258 [ 215.004766][ T6944] do_el0_svc+0x58/0x14c [ 215.005358][ T6944] el0_svc+0x78/0x1e0 [ 215.005992][ T6944] el0t_64_sync_handler+0xcc/0xe4 [ 215.006810][ T6944] el0t_64_sync+0x1a0/0x1a4 [ 215.007656][ T6944] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.010137][ T6944] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.133921][ T6947] loop1: detected capacity change from 0 to 32768 [ 215.180307][ T6947] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.181920][ T6947] CPU: 0 PID: 6947 Comm: syz.1.613 Not tainted syzkaller #0 [ 215.182990][ T6947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.184471][ T6947] Call trace: [ 215.185006][ T6947] dump_backtrace+0x0/0x43c [ 215.185687][ T6947] show_stack+0x2c/0x3c [ 215.186267][ T6947] __dump_stack+0x30/0x40 [ 215.186873][ T6947] dump_stack_lvl+0xf8/0x160 [ 215.187556][ T6947] dump_stack+0x1c/0x5c [ 215.188140][ T6947] sysfs_create_dir_ns+0x22c/0x24c [ 215.188913][ T6947] kobject_add_internal+0x590/0xc54 [ 215.189658][ T6947] kobject_init_and_add+0x118/0x17c [ 215.190496][ T6947] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.191221][ T6947] gfs2_fill_super+0xdac/0x19e0 [ 215.191960][ T6947] get_tree_bdev+0x358/0x544 [ 215.192625][ T6947] gfs2_get_tree+0x54/0x1b4 [ 215.193330][ T6947] vfs_get_tree+0x90/0x274 [ 215.193947][ T6947] do_new_mount+0x228/0x810 [ 215.194658][ T6947] path_mount+0x5b4/0x1000 [ 215.195370][ T6947] __arm64_sys_mount+0x514/0x5e4 [ 215.196096][ T6947] invoke_syscall+0x98/0x2b8 [ 215.196723][ T6947] el0_svc_common+0x138/0x258 [ 215.197434][ T6947] do_el0_svc+0x58/0x14c [ 215.198005][ T6947] el0_svc+0x78/0x1e0 [ 215.198660][ T6947] el0t_64_sync_handler+0xcc/0xe4 [ 215.199485][ T6947] el0t_64_sync+0x1a0/0x1a4 [ 215.201599][ T6947] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.204008][ T6947] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.332012][ T6950] loop1: detected capacity change from 0 to 32768 [ 215.380669][ T6950] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.382499][ T6950] CPU: 1 PID: 6950 Comm: syz.1.614 Not tainted syzkaller #0 [ 215.383440][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.384799][ T6950] Call trace: [ 215.385224][ T6950] dump_backtrace+0x0/0x43c [ 215.385880][ T6950] show_stack+0x2c/0x3c [ 215.386469][ T6950] __dump_stack+0x30/0x40 [ 215.387118][ T6950] dump_stack_lvl+0xf8/0x160 [ 215.387816][ T6950] dump_stack+0x1c/0x5c [ 215.388433][ T6950] sysfs_create_dir_ns+0x22c/0x24c [ 215.389252][ T6950] kobject_add_internal+0x590/0xc54 [ 215.390104][ T6950] kobject_init_and_add+0x118/0x17c [ 215.390900][ T6950] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.391636][ T6950] gfs2_fill_super+0xdac/0x19e0 [ 215.392353][ T6950] get_tree_bdev+0x358/0x544 [ 215.393005][ T6950] gfs2_get_tree+0x54/0x1b4 [ 215.393635][ T6950] vfs_get_tree+0x90/0x274 [ 215.394247][ T6950] do_new_mount+0x228/0x810 [ 215.394853][ T6950] path_mount+0x5b4/0x1000 [ 215.395485][ T6950] __arm64_sys_mount+0x514/0x5e4 [ 215.396284][ T6950] invoke_syscall+0x98/0x2b8 [ 215.397005][ T6950] el0_svc_common+0x138/0x258 [ 215.397687][ T6950] do_el0_svc+0x58/0x14c [ 215.398364][ T6950] el0_svc+0x78/0x1e0 [ 215.398976][ T6950] el0t_64_sync_handler+0xcc/0xe4 [ 215.399709][ T6950] el0t_64_sync+0x1a0/0x1a4 [ 215.400627][ T6950] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.403036][ T6950] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.531240][ T6953] loop1: detected capacity change from 0 to 32768 [ 215.590505][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.592141][ T6953] CPU: 1 PID: 6953 Comm: syz.1.615 Not tainted syzkaller #0 [ 215.593247][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.594719][ T6953] Call trace: [ 215.595175][ T6953] dump_backtrace+0x0/0x43c [ 215.595830][ T6953] show_stack+0x2c/0x3c [ 215.596478][ T6953] __dump_stack+0x30/0x40 [ 215.597172][ T6953] dump_stack_lvl+0xf8/0x160 [ 215.597831][ T6953] dump_stack+0x1c/0x5c [ 215.598477][ T6953] sysfs_create_dir_ns+0x22c/0x24c [ 215.599264][ T6953] kobject_add_internal+0x590/0xc54 [ 215.600098][ T6953] kobject_init_and_add+0x118/0x17c [ 215.600892][ T6953] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.601620][ T6953] gfs2_fill_super+0xdac/0x19e0 [ 215.602350][ T6953] get_tree_bdev+0x358/0x544 [ 215.603004][ T6953] gfs2_get_tree+0x54/0x1b4 [ 215.603646][ T6953] vfs_get_tree+0x90/0x274 [ 215.604276][ T6953] do_new_mount+0x228/0x810 [ 215.605002][ T6953] path_mount+0x5b4/0x1000 [ 215.605717][ T6953] __arm64_sys_mount+0x514/0x5e4 [ 215.606462][ T6953] invoke_syscall+0x98/0x2b8 [ 215.607150][ T6953] el0_svc_common+0x138/0x258 [ 215.607883][ T6953] do_el0_svc+0x58/0x14c [ 215.608500][ T6953] el0_svc+0x78/0x1e0 [ 215.609142][ T6953] el0t_64_sync_handler+0xcc/0xe4 [ 215.609924][ T6953] el0t_64_sync+0x1a0/0x1a4 [ 215.610728][ T6953] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.614893][ T6953] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.742709][ T6956] loop1: detected capacity change from 0 to 32768 [ 215.833469][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.835131][ T6956] CPU: 0 PID: 6956 Comm: syz.1.616 Not tainted syzkaller #0 [ 215.836262][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.837795][ T6956] Call trace: [ 215.838281][ T6956] dump_backtrace+0x0/0x43c [ 215.838994][ T6956] show_stack+0x2c/0x3c [ 215.839686][ T6956] __dump_stack+0x30/0x40 [ 215.840424][ T6956] dump_stack_lvl+0xf8/0x160 [ 215.841139][ T6956] dump_stack+0x1c/0x5c [ 215.841760][ T6956] sysfs_create_dir_ns+0x22c/0x24c [ 215.842497][ T6956] kobject_add_internal+0x590/0xc54 [ 215.843243][ T6956] kobject_init_and_add+0x118/0x17c [ 215.844114][ T6956] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.844822][ T6956] gfs2_fill_super+0xdac/0x19e0 [ 215.845548][ T6956] get_tree_bdev+0x358/0x544 [ 215.846223][ T6956] gfs2_get_tree+0x54/0x1b4 [ 215.846905][ T6956] vfs_get_tree+0x90/0x274 [ 215.847543][ T6956] do_new_mount+0x228/0x810 [ 215.848191][ T6956] path_mount+0x5b4/0x1000 [ 215.848856][ T6956] __arm64_sys_mount+0x514/0x5e4 [ 215.849650][ T6956] invoke_syscall+0x98/0x2b8 [ 215.850340][ T6956] el0_svc_common+0x138/0x258 [ 215.851047][ T6956] do_el0_svc+0x58/0x14c [ 215.851682][ T6956] el0_svc+0x78/0x1e0 [ 215.852264][ T6956] el0t_64_sync_handler+0xcc/0xe4 [ 215.853016][ T6956] el0t_64_sync+0x1a0/0x1a4 [ 215.853866][ T6956] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.856274][ T6956] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.987915][ T6959] loop1: detected capacity change from 0 to 32768 [ 215.994651][ T6959] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.996322][ T6959] CPU: 0 PID: 6959 Comm: syz.1.617 Not tainted syzkaller #0 [ 215.997438][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.998987][ T6959] Call trace: [ 215.999490][ T6959] dump_backtrace+0x0/0x43c [ 216.000221][ T6959] show_stack+0x2c/0x3c [ 216.000856][ T6959] __dump_stack+0x30/0x40 [ 216.001511][ T6959] dump_stack_lvl+0xf8/0x160 [ 216.002221][ T6959] dump_stack+0x1c/0x5c [ 216.002817][ T6959] sysfs_create_dir_ns+0x22c/0x24c [ 216.003615][ T6959] kobject_add_internal+0x590/0xc54 [ 216.004405][ T6959] kobject_init_and_add+0x118/0x17c [ 216.005201][ T6959] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.005884][ T6959] gfs2_fill_super+0xdac/0x19e0 [ 216.006661][ T6959] get_tree_bdev+0x358/0x544 [ 216.007396][ T6959] gfs2_get_tree+0x54/0x1b4 [ 216.008078][ T6959] vfs_get_tree+0x90/0x274 [ 216.008751][ T6959] do_new_mount+0x228/0x810 [ 216.009473][ T6959] path_mount+0x5b4/0x1000 [ 216.010153][ T6959] __arm64_sys_mount+0x514/0x5e4 [ 216.010943][ T6959] invoke_syscall+0x98/0x2b8 [ 216.011612][ T6959] el0_svc_common+0x138/0x258 [ 216.012316][ T6959] do_el0_svc+0x58/0x14c [ 216.012886][ T6959] el0_svc+0x78/0x1e0 [ 216.013495][ T6959] el0t_64_sync_handler+0xcc/0xe4 [ 216.014200][ T6959] el0t_64_sync+0x1a0/0x1a4 [ 216.016562][ T6959] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.019011][ T6959] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 216.086063][ T6962] chnl_net:caif_netlink_parms(): no params data found [ 216.103348][ T6962] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.104485][ T6962] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.105851][ T6962] device bridge_slave_0 entered promiscuous mode [ 216.107727][ T6962] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.108801][ T6962] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.110898][ T6962] device bridge_slave_1 entered promiscuous mode [ 216.117943][ T6962] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.120565][ T6962] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.128061][ T6962] team0: Port device team_slave_0 added [ 216.130451][ T6962] team0: Port device team_slave_1 added [ 216.136377][ T6962] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 216.137373][ T6962] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 216.141670][ T6962] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 216.144128][ T6962] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 216.145155][ T6962] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 216.149674][ T6962] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 216.190142][ T6962] device hsr_slave_0 entered promiscuous mode [ 216.229203][ T6962] device hsr_slave_1 entered promiscuous mode [ 216.269036][ T6962] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 216.270144][ T6962] Cannot create hsr debugfs directory [ 216.306808][ T6962] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.782976][ T6962] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.826838][ T6962] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.882294][ T6962] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.014356][ T6962] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 217.075768][ T6962] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 217.130048][ T6962] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 217.175497][ T6962] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 217.236639][ T6962] 8021q: adding VLAN 0 to HW filter on device bond0 [ 217.242018][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 217.243371][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 217.245904][ T6962] 8021q: adding VLAN 0 to HW filter on device team0 [ 217.248169][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 217.249944][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 217.251344][ T1615] bridge0: port 1(bridge_slave_0) entered blocking state [ 217.252493][ T1615] bridge0: port 1(bridge_slave_0) entered forwarding state [ 217.253825][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 217.256294][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 217.257775][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 217.260033][ T1615] bridge0: port 2(bridge_slave_1) entered blocking state [ 217.261080][ T1615] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.266242][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 217.268870][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 217.272524][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 217.274146][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 217.275518][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 217.278056][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 217.280287][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 217.282949][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 217.284421][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 217.286868][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 217.288333][ T1615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 217.291849][ T6962] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 217.332299][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 217.333652][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 217.336976][ T6962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 217.342678][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 217.344296][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 217.352798][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 217.354267][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 217.355707][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 217.357055][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 217.359941][ T6962] device veth0_vlan entered promiscuous mode [ 217.363157][ T6962] device veth1_vlan entered promiscuous mode [ 217.370304][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 217.371727][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 217.373045][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 217.374570][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 217.376831][ T6962] device veth0_macvtap entered promiscuous mode [ 217.379460][ T6962] device veth1_macvtap entered promiscuous mode [ 217.383997][ T6962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.385591][ T6962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.387038][ T6962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.388753][ T6962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.391918][ T6962] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 217.395864][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 217.397314][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 217.398666][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 217.400756][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 217.403263][ T6962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.404686][ T6962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.406118][ T6962] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.407548][ T6962] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.409726][ T6962] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 217.410887][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 217.412504][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 217.415287][ T6962] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.416529][ T6962] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.417817][ T6962] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.419190][ T6962] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.436995][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.438306][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.443999][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.445186][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.445553][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 217.448196][ T392] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 217.591875][ T6980] loop1: detected capacity change from 0 to 32768 [ 217.643311][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 217.645207][ T6980] CPU: 1 PID: 6980 Comm: syz.1.618 Not tainted syzkaller #0 [ 217.646317][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.647903][ T6980] Call trace: [ 217.648439][ T6980] dump_backtrace+0x0/0x43c [ 217.649163][ T6980] show_stack+0x2c/0x3c [ 217.649844][ T6980] __dump_stack+0x30/0x40 [ 217.650554][ T6980] dump_stack_lvl+0xf8/0x160 [ 217.651281][ T6980] dump_stack+0x1c/0x5c [ 217.651906][ T6980] sysfs_create_dir_ns+0x22c/0x24c [ 217.652696][ T6980] kobject_add_internal+0x590/0xc54 [ 217.653569][ T6980] kobject_init_and_add+0x118/0x17c [ 217.654406][ T6980] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.655173][ T6980] gfs2_fill_super+0xdac/0x19e0 [ 217.655929][ T6980] get_tree_bdev+0x358/0x544 [ 217.656657][ T6980] gfs2_get_tree+0x54/0x1b4 [ 217.657319][ T6980] vfs_get_tree+0x90/0x274 [ 217.657966][ T6980] do_new_mount+0x228/0x810 [ 217.658704][ T6980] path_mount+0x5b4/0x1000 [ 217.659419][ T6980] __arm64_sys_mount+0x514/0x5e4 [ 217.660211][ T6980] invoke_syscall+0x98/0x2b8 [ 217.660924][ T6980] el0_svc_common+0x138/0x258 [ 217.661627][ T6980] do_el0_svc+0x58/0x14c [ 217.662306][ T6980] el0_svc+0x78/0x1e0 [ 217.662984][ T6980] el0t_64_sync_handler+0xcc/0xe4 [ 217.663730][ T6980] el0t_64_sync+0x1a0/0x1a4 [ 217.667734][ T6980] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 217.670442][ T6980] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 217.808401][ T6983] loop1: detected capacity change from 0 to 32768 [ 217.860344][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 217.861998][ T6983] CPU: 1 PID: 6983 Comm: syz.1.619 Not tainted syzkaller #0 [ 217.863115][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.864575][ T6983] Call trace: [ 217.865048][ T6983] dump_backtrace+0x0/0x43c [ 217.865644][ T6983] show_stack+0x2c/0x3c [ 217.866226][ T6983] __dump_stack+0x30/0x40 [ 217.866855][ T6983] dump_stack_lvl+0xf8/0x160 [ 217.867540][ T6983] dump_stack+0x1c/0x5c [ 217.868223][ T6983] sysfs_create_dir_ns+0x22c/0x24c [ 217.868989][ T6983] kobject_add_internal+0x590/0xc54 [ 217.869857][ T6983] kobject_init_and_add+0x118/0x17c [ 217.870657][ T6983] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.871447][ T6983] gfs2_fill_super+0xdac/0x19e0 [ 217.872243][ T6983] get_tree_bdev+0x358/0x544 [ 217.872966][ T6983] gfs2_get_tree+0x54/0x1b4 [ 217.873649][ T6983] vfs_get_tree+0x90/0x274 [ 217.874285][ T6983] do_new_mount+0x228/0x810 [ 217.874981][ T6983] path_mount+0x5b4/0x1000 [ 217.875699][ T6983] __arm64_sys_mount+0x514/0x5e4 [ 217.876437][ T6983] invoke_syscall+0x98/0x2b8 [ 217.877112][ T6983] el0_svc_common+0x138/0x258 [ 217.877801][ T6983] do_el0_svc+0x58/0x14c [ 217.878445][ T6983] el0_svc+0x78/0x1e0 [ 217.879098][ T6983] el0t_64_sync_handler+0xcc/0xe4 [ 217.879877][ T6983] el0t_64_sync+0x1a0/0x1a4 [ 217.881884][ T6983] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 217.884282][ T6983] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.073348][ T6986] loop1: detected capacity change from 0 to 32768 [ 218.075530][ T136] device hsr_slave_0 left promiscuous mode [ 218.100454][ T3625] Bluetooth: hci2: command 0x0409 tx timeout [ 218.113031][ T136] device hsr_slave_1 left promiscuous mode [ 218.131691][ T6986] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.133265][ T6986] CPU: 0 PID: 6986 Comm: syz.1.620 Not tainted syzkaller #0 [ 218.134392][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.135811][ T6986] Call trace: [ 218.136266][ T6986] dump_backtrace+0x0/0x43c [ 218.136930][ T6986] show_stack+0x2c/0x3c [ 218.137528][ T6986] __dump_stack+0x30/0x40 [ 218.138192][ T6986] dump_stack_lvl+0xf8/0x160 [ 218.138858][ T6986] dump_stack+0x1c/0x5c [ 218.139524][ T6986] sysfs_create_dir_ns+0x22c/0x24c [ 218.140350][ T6986] kobject_add_internal+0x590/0xc54 [ 218.141184][ T6986] kobject_init_and_add+0x118/0x17c [ 218.142023][ T6986] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.142749][ T6986] gfs2_fill_super+0xdac/0x19e0 [ 218.143534][ T6986] get_tree_bdev+0x358/0x544 [ 218.144278][ T6986] gfs2_get_tree+0x54/0x1b4 [ 218.145010][ T6986] vfs_get_tree+0x90/0x274 [ 218.145675][ T6986] do_new_mount+0x228/0x810 [ 218.146423][ T6986] path_mount+0x5b4/0x1000 [ 218.147124][ T6986] __arm64_sys_mount+0x514/0x5e4 [ 218.147948][ T6986] invoke_syscall+0x98/0x2b8 [ 218.148663][ T6986] el0_svc_common+0x138/0x258 [ 218.149446][ T6986] do_el0_svc+0x58/0x14c [ 218.150098][ T6986] el0_svc+0x78/0x1e0 [ 218.150761][ T6986] el0t_64_sync_handler+0xcc/0xe4 [ 218.151530][ T6986] el0t_64_sync+0x1a0/0x1a4 [ 218.154141][ T6986] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.156631][ T6986] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.189048][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 218.190231][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 218.193337][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 218.194446][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 218.195723][ T136] device bridge_slave_1 left promiscuous mode [ 218.196714][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.219507][ T136] device bridge_slave_0 left promiscuous mode [ 218.220586][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 218.285204][ T6989] loop1: detected capacity change from 0 to 32768 [ 218.292693][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.294289][ T6989] CPU: 1 PID: 6989 Comm: syz.1.621 Not tainted syzkaller #0 [ 218.295359][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.296754][ T6989] Call trace: [ 218.297216][ T6989] dump_backtrace+0x0/0x43c [ 218.297876][ T6989] show_stack+0x2c/0x3c [ 218.298501][ T6989] __dump_stack+0x30/0x40 [ 218.299133][ T6989] dump_stack_lvl+0xf8/0x160 [ 218.299833][ T6989] dump_stack+0x1c/0x5c [ 218.300509][ T6989] sysfs_create_dir_ns+0x22c/0x24c [ 218.301373][ T6989] kobject_add_internal+0x590/0xc54 [ 218.302197][ T6989] kobject_init_and_add+0x118/0x17c [ 218.303053][ T6989] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.303890][ T6989] gfs2_fill_super+0xdac/0x19e0 [ 218.304683][ T6989] get_tree_bdev+0x358/0x544 [ 218.305465][ T6989] gfs2_get_tree+0x54/0x1b4 [ 218.306201][ T6989] vfs_get_tree+0x90/0x274 [ 218.306885][ T6989] do_new_mount+0x228/0x810 [ 218.307605][ T6989] path_mount+0x5b4/0x1000 [ 218.308271][ T6989] __arm64_sys_mount+0x514/0x5e4 [ 218.309075][ T6989] invoke_syscall+0x98/0x2b8 [ 218.309779][ T6989] el0_svc_common+0x138/0x258 [ 218.310571][ T6989] do_el0_svc+0x58/0x14c [ 218.311205][ T6989] el0_svc+0x78/0x1e0 [ 218.311835][ T6989] el0t_64_sync_handler+0xcc/0xe4 [ 218.312672][ T6989] el0t_64_sync+0x1a0/0x1a4 [ 218.316406][ T6989] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.318781][ T6989] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.379128][ T136] device veth1_macvtap left promiscuous mode [ 218.380123][ T136] device veth0_macvtap left promiscuous mode [ 218.381067][ T136] device veth1_vlan left promiscuous mode [ 218.381927][ T136] device veth0_vlan left promiscuous mode [ 218.448209][ T6992] loop1: detected capacity change from 0 to 32768 [ 218.485730][ T136] team0 (unregistering): Port device team_slave_1 removed [ 218.489641][ T136] team0 (unregistering): Port device team_slave_0 removed [ 218.493381][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 218.522072][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.523729][ T6992] CPU: 1 PID: 6992 Comm: syz.1.622 Not tainted syzkaller #0 [ 218.524887][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.526557][ T6992] Call trace: [ 218.527075][ T6992] dump_backtrace+0x0/0x43c [ 218.527741][ T6992] show_stack+0x2c/0x3c [ 218.528325][ T6992] __dump_stack+0x30/0x40 [ 218.529020][ T6992] dump_stack_lvl+0xf8/0x160 [ 218.529770][ T6992] dump_stack+0x1c/0x5c [ 218.530422][ T6992] sysfs_create_dir_ns+0x22c/0x24c [ 218.531302][ T6992] kobject_add_internal+0x590/0xc54 [ 218.532147][ T6992] kobject_init_and_add+0x118/0x17c [ 218.532952][ T6992] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.533682][ T6992] gfs2_fill_super+0xdac/0x19e0 [ 218.534387][ T6992] get_tree_bdev+0x358/0x544 [ 218.535074][ T6992] gfs2_get_tree+0x54/0x1b4 [ 218.535749][ T6992] vfs_get_tree+0x90/0x274 [ 218.536414][ T6992] do_new_mount+0x228/0x810 [ 218.537109][ T6992] path_mount+0x5b4/0x1000 [ 218.537772][ T6992] __arm64_sys_mount+0x514/0x5e4 [ 218.538461][ T6992] invoke_syscall+0x98/0x2b8 [ 218.539123][ T6992] el0_svc_common+0x138/0x258 [ 218.539910][ T6992] do_el0_svc+0x58/0x14c [ 218.540637][ T6992] el0_svc+0x78/0x1e0 [ 218.541315][ T6992] el0t_64_sync_handler+0xcc/0xe4 [ 218.542160][ T6992] el0t_64_sync+0x1a0/0x1a4 [ 218.546921][ T6992] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.549404][ T6992] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.561470][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface 1970/01/01 00:03:38 executed programs: 609 [ 218.692492][ T136] bond0 (unregistering): Released all slaves [ 218.694213][ T6995] loop1: detected capacity change from 0 to 32768 [ 218.701944][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.704936][ T6995] CPU: 0 PID: 6995 Comm: syz.1.623 Not tainted syzkaller #0 [ 218.706093][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.707605][ T6995] Call trace: [ 218.708120][ T6995] dump_backtrace+0x0/0x43c [ 218.708837][ T6995] show_stack+0x2c/0x3c [ 218.709480][ T6995] __dump_stack+0x30/0x40 [ 218.710128][ T6995] dump_stack_lvl+0xf8/0x160 [ 218.710818][ T6995] dump_stack+0x1c/0x5c [ 218.711468][ T6995] sysfs_create_dir_ns+0x22c/0x24c [ 218.712204][ T6995] kobject_add_internal+0x590/0xc54 [ 218.712923][ T6995] kobject_init_and_add+0x118/0x17c [ 218.713682][ T6995] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.714365][ T6995] gfs2_fill_super+0xdac/0x19e0 [ 218.715077][ T6995] get_tree_bdev+0x358/0x544 [ 218.715732][ T6995] gfs2_get_tree+0x54/0x1b4 [ 218.716369][ T6995] vfs_get_tree+0x90/0x274 [ 218.717030][ T6995] do_new_mount+0x228/0x810 [ 218.717696][ T6995] path_mount+0x5b4/0x1000 [ 218.718351][ T6995] __arm64_sys_mount+0x514/0x5e4 [ 218.719076][ T6995] invoke_syscall+0x98/0x2b8 [ 218.719726][ T6995] el0_svc_common+0x138/0x258 [ 218.720344][ T6995] do_el0_svc+0x58/0x14c [ 218.720943][ T6995] el0_svc+0x78/0x1e0 [ 218.721533][ T6995] el0t_64_sync_handler+0xcc/0xe4 [ 218.722266][ T6995] el0t_64_sync+0x1a0/0x1a4 [ 218.723188][ T6995] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.725546][ T6995] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.866355][ T6998] loop1: detected capacity change from 0 to 32768 [ 218.906360][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.907861][ T6998] CPU: 0 PID: 6998 Comm: syz.1.624 Not tainted syzkaller #0 [ 218.908902][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.910459][ T6998] Call trace: [ 218.910939][ T6998] dump_backtrace+0x0/0x43c [ 218.911586][ T6998] show_stack+0x2c/0x3c [ 218.912216][ T6998] __dump_stack+0x30/0x40 [ 218.912907][ T6998] dump_stack_lvl+0xf8/0x160 [ 218.913600][ T6998] dump_stack+0x1c/0x5c [ 218.914208][ T6998] sysfs_create_dir_ns+0x22c/0x24c [ 218.914962][ T6998] kobject_add_internal+0x590/0xc54 [ 218.915721][ T6998] kobject_init_and_add+0x118/0x17c [ 218.916469][ T6998] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.917162][ T6998] gfs2_fill_super+0xdac/0x19e0 [ 218.917846][ T6998] get_tree_bdev+0x358/0x544 [ 218.918524][ T6998] gfs2_get_tree+0x54/0x1b4 [ 218.919169][ T6998] vfs_get_tree+0x90/0x274 [ 218.919779][ T6998] do_new_mount+0x228/0x810 [ 218.920444][ T6998] path_mount+0x5b4/0x1000 [ 218.921094][ T6998] __arm64_sys_mount+0x514/0x5e4 [ 218.921815][ T6998] invoke_syscall+0x98/0x2b8 [ 218.922531][ T6998] el0_svc_common+0x138/0x258 [ 218.923254][ T6998] do_el0_svc+0x58/0x14c [ 218.923936][ T6998] el0_svc+0x78/0x1e0 [ 218.924553][ T6998] el0t_64_sync_handler+0xcc/0xe4 [ 218.925271][ T6998] el0t_64_sync+0x1a0/0x1a4 [ 218.927383][ T6998] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.931793][ T6998] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 219.078501][ T7001] loop1: detected capacity change from 0 to 32768 [ 219.128725][ T7001] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 219.132498][ T7001] CPU: 1 PID: 7001 Comm: syz.1.625 Not tainted syzkaller #0 [ 219.133694][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.135223][ T7001] Call trace: [ 219.135744][ T7001] dump_backtrace+0x0/0x43c [ 219.136443][ T7001] show_stack+0x2c/0x3c [ 219.137123][ T7001] __dump_stack+0x30/0x40 [ 219.137835][ T7001] dump_stack_lvl+0xf8/0x160 [ 219.138542][ T7001] dump_stack+0x1c/0x5c [ 219.139152][ T7001] sysfs_create_dir_ns+0x22c/0x24c [ 219.140038][ T7001] kobject_add_internal+0x590/0xc54 [ 219.140901][ T7001] kobject_init_and_add+0x118/0x17c [ 219.141647][ T7001] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.142427][ T7001] gfs2_fill_super+0xdac/0x19e0 [ 219.143177][ T7001] get_tree_bdev+0x358/0x544 [ 219.143880][ T7001] gfs2_get_tree+0x54/0x1b4 [ 219.144581][ T7001] vfs_get_tree+0x90/0x274 [ 219.145302][ T7001] do_new_mount+0x228/0x810 [ 219.145985][ T7001] path_mount+0x5b4/0x1000 [ 219.146663][ T7001] __arm64_sys_mount+0x514/0x5e4 [ 219.147429][ T7001] invoke_syscall+0x98/0x2b8 [ 219.148098][ T7001] el0_svc_common+0x138/0x258 [ 219.148800][ T7001] do_el0_svc+0x58/0x14c [ 219.149451][ T7001] el0_svc+0x78/0x1e0 [ 219.150014][ T7001] el0t_64_sync_handler+0xcc/0xe4 [ 219.150786][ T7001] el0t_64_sync+0x1a0/0x1a4 [ 219.152862][ T7001] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 219.155496][ T7001] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 219.288177][ T7004] loop1: detected capacity change from 0 to 32768 [ 219.379751][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 219.381361][ T7004] CPU: 1 PID: 7004 Comm: syz.1.626 Not tainted syzkaller #0 [ 219.382479][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.384084][ T7004] Call trace: [ 219.384598][ T7004] dump_backtrace+0x0/0x43c [ 219.385331][ T7004] show_stack+0x2c/0x3c [ 219.385953][ T7004] __dump_stack+0x30/0x40 [ 219.386650][ T7004] dump_stack_lvl+0xf8/0x160 [ 219.387328][ T7004] dump_stack+0x1c/0x5c [ 219.387909][ T7004] sysfs_create_dir_ns+0x22c/0x24c [ 219.388693][ T7004] kobject_add_internal+0x590/0xc54 [ 219.389452][ T7004] kobject_init_and_add+0x118/0x17c [ 219.390223][ T7004] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.390931][ T7004] gfs2_fill_super+0xdac/0x19e0 [ 219.391624][ T7004] get_tree_bdev+0x358/0x544 [ 219.392247][ T7004] gfs2_get_tree+0x54/0x1b4 [ 219.392890][ T7004] vfs_get_tree+0x90/0x274 [ 219.393584][ T7004] do_new_mount+0x228/0x810 [ 219.394280][ T7004] path_mount+0x5b4/0x1000 [ 219.394934][ T7004] __arm64_sys_mount+0x514/0x5e4 [ 219.395616][ T7004] invoke_syscall+0x98/0x2b8 [ 219.396338][ T7004] el0_svc_common+0x138/0x258 [ 219.397097][ T7004] do_el0_svc+0x58/0x14c [ 219.397692][ T7004] el0_svc+0x78/0x1e0 [ 219.398277][ T7004] el0t_64_sync_handler+0xcc/0xe4 [ 219.399043][ T7004] el0t_64_sync+0x1a0/0x1a4 [ 219.401268][ T7004] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 219.403795][ T7004] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 219.569861][ T7007] loop1: detected capacity change from 0 to 32768 [ 219.625804][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 219.627469][ T7007] CPU: 0 PID: 7007 Comm: syz.1.627 Not tainted syzkaller #0 [ 219.628527][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.630112][ T7007] Call trace: [ 219.630552][ T7007] dump_backtrace+0x0/0x43c [ 219.631203][ T7007] show_stack+0x2c/0x3c [ 219.631880][ T7007] __dump_stack+0x30/0x40 [ 219.632565][ T7007] dump_stack_lvl+0xf8/0x160 [ 219.633290][ T7007] dump_stack+0x1c/0x5c [ 219.633928][ T7007] sysfs_create_dir_ns+0x22c/0x24c [ 219.634655][ T7007] kobject_add_internal+0x590/0xc54 [ 219.635482][ T7007] kobject_init_and_add+0x118/0x17c [ 219.636247][ T7007] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.636993][ T7007] gfs2_fill_super+0xdac/0x19e0 [ 219.637712][ T7007] get_tree_bdev+0x358/0x544 [ 219.638366][ T7007] gfs2_get_tree+0x54/0x1b4 [ 219.639049][ T7007] vfs_get_tree+0x90/0x274 [ 219.639766][ T7007] do_new_mount+0x228/0x810 [ 219.640480][ T7007] path_mount+0x5b4/0x1000 [ 219.641113][ T7007] __arm64_sys_mount+0x514/0x5e4 [ 219.641832][ T7007] invoke_syscall+0x98/0x2b8 [ 219.642543][ T7007] el0_svc_common+0x138/0x258 [ 219.643233][ T7007] do_el0_svc+0x58/0x14c [ 219.643913][ T7007] el0_svc+0x78/0x1e0 [ 219.644543][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 219.645328][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 219.647869][ T7007] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 219.650328][ T7007] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 219.789376][ T7010] loop1: detected capacity change from 0 to 32768 [ 219.830294][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 219.831949][ T7010] CPU: 0 PID: 7010 Comm: syz.1.628 Not tainted syzkaller #0 [ 219.833097][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.834586][ T7010] Call trace: [ 219.835093][ T7010] dump_backtrace+0x0/0x43c [ 219.835721][ T7010] show_stack+0x2c/0x3c [ 219.836327][ T7010] __dump_stack+0x30/0x40 [ 219.836905][ T7010] dump_stack_lvl+0xf8/0x160 [ 219.837532][ T7010] dump_stack+0x1c/0x5c [ 219.838164][ T7010] sysfs_create_dir_ns+0x22c/0x24c [ 219.838932][ T7010] kobject_add_internal+0x590/0xc54 [ 219.839709][ T7010] kobject_init_and_add+0x118/0x17c [ 219.840532][ T7010] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.841330][ T7010] gfs2_fill_super+0xdac/0x19e0 [ 219.842172][ T7010] get_tree_bdev+0x358/0x544 [ 219.842913][ T7010] gfs2_get_tree+0x54/0x1b4 [ 219.843612][ T7010] vfs_get_tree+0x90/0x274 [ 219.844239][ T7010] do_new_mount+0x228/0x810 [ 219.844953][ T7010] path_mount+0x5b4/0x1000 [ 219.845621][ T7010] __arm64_sys_mount+0x514/0x5e4 [ 219.846345][ T7010] invoke_syscall+0x98/0x2b8 [ 219.846980][ T7010] el0_svc_common+0x138/0x258 [ 219.847693][ T7010] do_el0_svc+0x58/0x14c [ 219.848313][ T7010] el0_svc+0x78/0x1e0 [ 219.848887][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 219.849654][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 219.869003][ T7010] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 219.871370][ T7010] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 220.071575][ T7013] loop1: detected capacity change from 0 to 32768 [ 220.083462][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 220.085118][ T7013] CPU: 1 PID: 7013 Comm: syz.1.629 Not tainted syzkaller #0 [ 220.086179][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.087729][ T7013] Call trace: [ 220.088183][ T7013] dump_backtrace+0x0/0x43c [ 220.088827][ T7013] show_stack+0x2c/0x3c [ 220.089474][ T7013] __dump_stack+0x30/0x40 [ 220.090135][ T7013] dump_stack_lvl+0xf8/0x160 [ 220.090849][ T7013] dump_stack+0x1c/0x5c [ 220.091563][ T7013] sysfs_create_dir_ns+0x22c/0x24c [ 220.092393][ T7013] kobject_add_internal+0x590/0xc54 [ 220.093189][ T7013] kobject_init_and_add+0x118/0x17c [ 220.094087][ T7013] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.094855][ T7013] gfs2_fill_super+0xdac/0x19e0 [ 220.095599][ T7013] get_tree_bdev+0x358/0x544 [ 220.096341][ T7013] gfs2_get_tree+0x54/0x1b4 [ 220.097038][ T7013] vfs_get_tree+0x90/0x274 [ 220.097679][ T7013] do_new_mount+0x228/0x810 [ 220.098362][ T7013] path_mount+0x5b4/0x1000 [ 220.099037][ T7013] __arm64_sys_mount+0x514/0x5e4 [ 220.099814][ T7013] invoke_syscall+0x98/0x2b8 [ 220.100602][ T7013] el0_svc_common+0x138/0x258 [ 220.101391][ T7013] do_el0_svc+0x58/0x14c [ 220.102098][ T7013] el0_svc+0x78/0x1e0 [ 220.102721][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 220.103488][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 220.105626][ T7013] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 220.107976][ T7013] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 220.179247][ T4178] Bluetooth: hci2: command 0x041b tx timeout [ 220.245448][ T7016] loop1: detected capacity change from 0 to 32768 [ 220.274403][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 220.276033][ T7016] CPU: 1 PID: 7016 Comm: syz.1.630 Not tainted syzkaller #0 [ 220.277211][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.278818][ T7016] Call trace: [ 220.279410][ T7016] dump_backtrace+0x0/0x43c [ 220.280199][ T7016] show_stack+0x2c/0x3c [ 220.280898][ T7016] __dump_stack+0x30/0x40 [ 220.281609][ T7016] dump_stack_lvl+0xf8/0x160 [ 220.282300][ T7016] dump_stack+0x1c/0x5c [ 220.282909][ T7016] sysfs_create_dir_ns+0x22c/0x24c [ 220.283689][ T7016] kobject_add_internal+0x590/0xc54 [ 220.284450][ T7016] kobject_init_and_add+0x118/0x17c [ 220.285167][ T7016] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.285826][ T7016] gfs2_fill_super+0xdac/0x19e0 [ 220.286526][ T7016] get_tree_bdev+0x358/0x544 [ 220.287207][ T7016] gfs2_get_tree+0x54/0x1b4 [ 220.287879][ T7016] vfs_get_tree+0x90/0x274 [ 220.288491][ T7016] do_new_mount+0x228/0x810 [ 220.289196][ T7016] path_mount+0x5b4/0x1000 [ 220.289911][ T7016] __arm64_sys_mount+0x514/0x5e4 [ 220.290716][ T7016] invoke_syscall+0x98/0x2b8 [ 220.291449][ T7016] el0_svc_common+0x138/0x258 [ 220.292242][ T7016] do_el0_svc+0x58/0x14c [ 220.292903][ T7016] el0_svc+0x78/0x1e0 [ 220.293520][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 220.294319][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 220.295365][ T7016] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 220.297614][ T7016] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 220.426809][ T7019] loop1: detected capacity change from 0 to 32768 [ 220.474610][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 220.476161][ T7019] CPU: 1 PID: 7019 Comm: syz.1.631 Not tainted syzkaller #0 [ 220.477320][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.478926][ T7019] Call trace: [ 220.479482][ T7019] dump_backtrace+0x0/0x43c [ 220.480226][ T7019] show_stack+0x2c/0x3c [ 220.480919][ T7019] __dump_stack+0x30/0x40 [ 220.481574][ T7019] dump_stack_lvl+0xf8/0x160 [ 220.482285][ T7019] dump_stack+0x1c/0x5c [ 220.482907][ T7019] sysfs_create_dir_ns+0x22c/0x24c [ 220.483660][ T7019] kobject_add_internal+0x590/0xc54 [ 220.484452][ T7019] kobject_init_and_add+0x118/0x17c [ 220.485175][ T7019] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.485841][ T7019] gfs2_fill_super+0xdac/0x19e0 [ 220.486596][ T7019] get_tree_bdev+0x358/0x544 [ 220.487319][ T7019] gfs2_get_tree+0x54/0x1b4 [ 220.487988][ T7019] vfs_get_tree+0x90/0x274 [ 220.488648][ T7019] do_new_mount+0x228/0x810 [ 220.489375][ T7019] path_mount+0x5b4/0x1000 [ 220.490025][ T7019] __arm64_sys_mount+0x514/0x5e4 [ 220.490776][ T7019] invoke_syscall+0x98/0x2b8 [ 220.491488][ T7019] el0_svc_common+0x138/0x258 [ 220.492141][ T7019] do_el0_svc+0x58/0x14c [ 220.492751][ T7019] el0_svc+0x78/0x1e0 [ 220.493342][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 220.494122][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 220.496728][ T7019] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 220.499214][ T7019] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 220.636872][ T7022] loop1: detected capacity change from 0 to 32768 [ 220.675291][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 220.676878][ T7022] CPU: 1 PID: 7022 Comm: syz.1.632 Not tainted syzkaller #0 [ 220.678078][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.679660][ T7022] Call trace: [ 220.680197][ T7022] dump_backtrace+0x0/0x43c [ 220.680917][ T7022] show_stack+0x2c/0x3c [ 220.681551][ T7022] __dump_stack+0x30/0x40 [ 220.682237][ T7022] dump_stack_lvl+0xf8/0x160 [ 220.682976][ T7022] dump_stack+0x1c/0x5c [ 220.683651][ T7022] sysfs_create_dir_ns+0x22c/0x24c [ 220.684469][ T7022] kobject_add_internal+0x590/0xc54 [ 220.685328][ T7022] kobject_init_and_add+0x118/0x17c [ 220.686087][ T7022] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.686819][ T7022] gfs2_fill_super+0xdac/0x19e0 [ 220.687608][ T7022] get_tree_bdev+0x358/0x544 [ 220.688319][ T7022] gfs2_get_tree+0x54/0x1b4 [ 220.688994][ T7022] vfs_get_tree+0x90/0x274 [ 220.689705][ T7022] do_new_mount+0x228/0x810 [ 220.690428][ T7022] path_mount+0x5b4/0x1000 [ 220.691098][ T7022] __arm64_sys_mount+0x514/0x5e4 [ 220.691823][ T7022] invoke_syscall+0x98/0x2b8 [ 220.692615][ T7022] el0_svc_common+0x138/0x258 [ 220.693369][ T7022] do_el0_svc+0x58/0x14c [ 220.694075][ T7022] el0_svc+0x78/0x1e0 [ 220.694715][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 220.695514][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 220.697667][ T7022] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 220.700208][ T7022] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 220.831346][ T7025] loop1: detected capacity change from 0 to 32768 [ 220.880318][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 220.881983][ T7025] CPU: 1 PID: 7025 Comm: syz.1.633 Not tainted syzkaller #0 [ 220.883097][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.884631][ T7025] Call trace: [ 220.885069][ T7025] dump_backtrace+0x0/0x43c [ 220.885813][ T7025] show_stack+0x2c/0x3c [ 220.886485][ T7025] __dump_stack+0x30/0x40 [ 220.887091][ T7025] dump_stack_lvl+0xf8/0x160 [ 220.887763][ T7025] dump_stack+0x1c/0x5c [ 220.888428][ T7025] sysfs_create_dir_ns+0x22c/0x24c [ 220.889234][ T7025] kobject_add_internal+0x590/0xc54 [ 220.890071][ T7025] kobject_init_and_add+0x118/0x17c [ 220.890861][ T7025] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.891568][ T7025] gfs2_fill_super+0xdac/0x19e0 [ 220.892336][ T7025] get_tree_bdev+0x358/0x544 [ 220.893098][ T7025] gfs2_get_tree+0x54/0x1b4 [ 220.893819][ T7025] vfs_get_tree+0x90/0x274 [ 220.894460][ T7025] do_new_mount+0x228/0x810 [ 220.895111][ T7025] path_mount+0x5b4/0x1000 [ 220.895813][ T7025] __arm64_sys_mount+0x514/0x5e4 [ 220.896604][ T7025] invoke_syscall+0x98/0x2b8 [ 220.897361][ T7025] el0_svc_common+0x138/0x258 [ 220.898108][ T7025] do_el0_svc+0x58/0x14c [ 220.898720][ T7025] el0_svc+0x78/0x1e0 [ 220.899344][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 220.900045][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 220.901266][ T7025] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 220.903615][ T7025] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 221.031583][ T7028] loop1: detected capacity change from 0 to 32768 [ 221.083428][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 221.085024][ T7028] CPU: 1 PID: 7028 Comm: syz.1.634 Not tainted syzkaller #0 [ 221.086140][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.087689][ T7028] Call trace: [ 221.088232][ T7028] dump_backtrace+0x0/0x43c [ 221.088951][ T7028] show_stack+0x2c/0x3c [ 221.089661][ T7028] __dump_stack+0x30/0x40 [ 221.090381][ T7028] dump_stack_lvl+0xf8/0x160 [ 221.091158][ T7028] dump_stack+0x1c/0x5c [ 221.091807][ T7028] sysfs_create_dir_ns+0x22c/0x24c [ 221.092557][ T7028] kobject_add_internal+0x590/0xc54 [ 221.093432][ T7028] kobject_init_and_add+0x118/0x17c [ 221.094313][ T7028] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.095070][ T7028] gfs2_fill_super+0xdac/0x19e0 [ 221.095805][ T7028] get_tree_bdev+0x358/0x544 [ 221.096564][ T7028] gfs2_get_tree+0x54/0x1b4 [ 221.097260][ T7028] vfs_get_tree+0x90/0x274 [ 221.097963][ T7028] do_new_mount+0x228/0x810 [ 221.098661][ T7028] path_mount+0x5b4/0x1000 [ 221.099331][ T7028] __arm64_sys_mount+0x514/0x5e4 [ 221.100147][ T7028] invoke_syscall+0x98/0x2b8 [ 221.100939][ T7028] el0_svc_common+0x138/0x258 [ 221.101707][ T7028] do_el0_svc+0x58/0x14c [ 221.102369][ T7028] el0_svc+0x78/0x1e0 [ 221.103015][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 221.103793][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 221.104990][ T7028] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 221.107546][ T7028] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 221.339391][ T7031] loop1: detected capacity change from 0 to 32768 [ 221.384614][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 221.386350][ T7031] CPU: 1 PID: 7031 Comm: syz.1.635 Not tainted syzkaller #0 [ 221.387421][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.388850][ T7031] Call trace: [ 221.389372][ T7031] dump_backtrace+0x0/0x43c [ 221.390037][ T7031] show_stack+0x2c/0x3c [ 221.390655][ T7031] __dump_stack+0x30/0x40 [ 221.391319][ T7031] dump_stack_lvl+0xf8/0x160 [ 221.391975][ T7031] dump_stack+0x1c/0x5c [ 221.392623][ T7031] sysfs_create_dir_ns+0x22c/0x24c [ 221.393491][ T7031] kobject_add_internal+0x590/0xc54 [ 221.394310][ T7031] kobject_init_and_add+0x118/0x17c [ 221.395184][ T7031] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.396000][ T7031] gfs2_fill_super+0xdac/0x19e0 [ 221.396730][ T7031] get_tree_bdev+0x358/0x544 [ 221.397419][ T7031] gfs2_get_tree+0x54/0x1b4 [ 221.398080][ T7031] vfs_get_tree+0x90/0x274 [ 221.398790][ T7031] do_new_mount+0x228/0x810 [ 221.399449][ T7031] path_mount+0x5b4/0x1000 [ 221.400121][ T7031] __arm64_sys_mount+0x514/0x5e4 [ 221.400875][ T7031] invoke_syscall+0x98/0x2b8 [ 221.401571][ T7031] el0_svc_common+0x138/0x258 [ 221.402260][ T7031] do_el0_svc+0x58/0x14c [ 221.402917][ T7031] el0_svc+0x78/0x1e0 [ 221.403552][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 221.404364][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 221.405942][ T7031] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 221.408678][ T7031] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 221.547109][ T7034] loop1: detected capacity change from 0 to 32768 [ 221.580261][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 221.581862][ T7034] CPU: 0 PID: 7034 Comm: syz.1.636 Not tainted syzkaller #0 [ 221.582950][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.584531][ T7034] Call trace: [ 221.585050][ T7034] dump_backtrace+0x0/0x43c [ 221.585745][ T7034] show_stack+0x2c/0x3c [ 221.586438][ T7034] __dump_stack+0x30/0x40 [ 221.587090][ T7034] dump_stack_lvl+0xf8/0x160 [ 221.587843][ T7034] dump_stack+0x1c/0x5c [ 221.588518][ T7034] sysfs_create_dir_ns+0x22c/0x24c [ 221.589439][ T7034] kobject_add_internal+0x590/0xc54 [ 221.590245][ T7034] kobject_init_and_add+0x118/0x17c [ 221.591028][ T7034] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.591769][ T7034] gfs2_fill_super+0xdac/0x19e0 [ 221.592510][ T7034] get_tree_bdev+0x358/0x544 [ 221.593242][ T7034] gfs2_get_tree+0x54/0x1b4 [ 221.593916][ T7034] vfs_get_tree+0x90/0x274 [ 221.594546][ T7034] do_new_mount+0x228/0x810 [ 221.595241][ T7034] path_mount+0x5b4/0x1000 [ 221.595982][ T7034] __arm64_sys_mount+0x514/0x5e4 [ 221.596729][ T7034] invoke_syscall+0x98/0x2b8 [ 221.597472][ T7034] el0_svc_common+0x138/0x258 [ 221.598213][ T7034] do_el0_svc+0x58/0x14c [ 221.598834][ T7034] el0_svc+0x78/0x1e0 [ 221.599430][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 221.600163][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 221.602382][ T7034] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 221.604694][ T7034] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 221.733810][ T7037] loop1: detected capacity change from 0 to 32768 [ 221.783172][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 221.784677][ T7037] CPU: 0 PID: 7037 Comm: syz.1.637 Not tainted syzkaller #0 [ 221.785711][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.787276][ T7037] Call trace: [ 221.787776][ T7037] dump_backtrace+0x0/0x43c [ 221.788484][ T7037] show_stack+0x2c/0x3c [ 221.789168][ T7037] __dump_stack+0x30/0x40 [ 221.789865][ T7037] dump_stack_lvl+0xf8/0x160 [ 221.790623][ T7037] dump_stack+0x1c/0x5c [ 221.791265][ T7037] sysfs_create_dir_ns+0x22c/0x24c [ 221.792027][ T7037] kobject_add_internal+0x590/0xc54 [ 221.792792][ T7037] kobject_init_and_add+0x118/0x17c [ 221.793618][ T7037] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.794379][ T7037] gfs2_fill_super+0xdac/0x19e0 [ 221.795159][ T7037] get_tree_bdev+0x358/0x544 [ 221.795895][ T7037] gfs2_get_tree+0x54/0x1b4 [ 221.796620][ T7037] vfs_get_tree+0x90/0x274 [ 221.797266][ T7037] do_new_mount+0x228/0x810 [ 221.797933][ T7037] path_mount+0x5b4/0x1000 [ 221.798587][ T7037] __arm64_sys_mount+0x514/0x5e4 [ 221.799387][ T7037] invoke_syscall+0x98/0x2b8 [ 221.800114][ T7037] el0_svc_common+0x138/0x258 [ 221.800907][ T7037] do_el0_svc+0x58/0x14c [ 221.801545][ T7037] el0_svc+0x78/0x1e0 [ 221.802167][ T7037] el0t_64_sync_handler+0xcc/0xe4 [ 221.802983][ T7037] el0t_64_sync+0x1a0/0x1a4 [ 221.804627][ T7037] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 221.807028][ T7037] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 221.934632][ T7040] loop1: detected capacity change from 0 to 32768 [ 221.983854][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 221.985380][ T7040] CPU: 0 PID: 7040 Comm: syz.1.638 Not tainted syzkaller #0 [ 221.986400][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.987932][ T7040] Call trace: [ 221.988388][ T7040] dump_backtrace+0x0/0x43c [ 221.989073][ T7040] show_stack+0x2c/0x3c [ 221.989731][ T7040] __dump_stack+0x30/0x40 [ 221.990429][ T7040] dump_stack_lvl+0xf8/0x160 [ 221.991127][ T7040] dump_stack+0x1c/0x5c [ 221.991771][ T7040] sysfs_create_dir_ns+0x22c/0x24c [ 221.992548][ T7040] kobject_add_internal+0x590/0xc54 [ 221.993305][ T7040] kobject_init_and_add+0x118/0x17c [ 221.994069][ T7040] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.994782][ T7040] gfs2_fill_super+0xdac/0x19e0 [ 221.995508][ T7040] get_tree_bdev+0x358/0x544 [ 221.996168][ T7040] gfs2_get_tree+0x54/0x1b4 [ 221.996877][ T7040] vfs_get_tree+0x90/0x274 [ 221.997598][ T7040] do_new_mount+0x228/0x810 [ 221.998288][ T7040] path_mount+0x5b4/0x1000 [ 221.998905][ T7040] __arm64_sys_mount+0x514/0x5e4 [ 221.999606][ T7040] invoke_syscall+0x98/0x2b8 [ 222.000321][ T7040] el0_svc_common+0x138/0x258 [ 222.001003][ T7040] do_el0_svc+0x58/0x14c [ 222.001638][ T7040] el0_svc+0x78/0x1e0 [ 222.002266][ T7040] el0t_64_sync_handler+0xcc/0xe4 [ 222.003085][ T7040] el0t_64_sync+0x1a0/0x1a4 [ 222.005283][ T7040] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 222.007433][ T7040] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 222.133472][ T7043] loop1: detected capacity change from 0 to 32768 [ 222.180491][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 222.182106][ T7043] CPU: 1 PID: 7043 Comm: syz.1.639 Not tainted syzkaller #0 [ 222.183134][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.184718][ T7043] Call trace: [ 222.185196][ T7043] dump_backtrace+0x0/0x43c [ 222.185842][ T7043] show_stack+0x2c/0x3c [ 222.186517][ T7043] __dump_stack+0x30/0x40 [ 222.187143][ T7043] dump_stack_lvl+0xf8/0x160 [ 222.187815][ T7043] dump_stack+0x1c/0x5c [ 222.188430][ T7043] sysfs_create_dir_ns+0x22c/0x24c [ 222.189293][ T7043] kobject_add_internal+0x590/0xc54 [ 222.190069][ T7043] kobject_init_and_add+0x118/0x17c [ 222.190799][ T7043] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.191479][ T7043] gfs2_fill_super+0xdac/0x19e0 [ 222.192213][ T7043] get_tree_bdev+0x358/0x544 [ 222.192970][ T7043] gfs2_get_tree+0x54/0x1b4 [ 222.193726][ T7043] vfs_get_tree+0x90/0x274 [ 222.194500][ T7043] do_new_mount+0x228/0x810 [ 222.195206][ T7043] path_mount+0x5b4/0x1000 [ 222.195964][ T7043] __arm64_sys_mount+0x514/0x5e4 [ 222.196738][ T7043] invoke_syscall+0x98/0x2b8 [ 222.197435][ T7043] el0_svc_common+0x138/0x258 [ 222.198125][ T7043] do_el0_svc+0x58/0x14c [ 222.198759][ T7043] el0_svc+0x78/0x1e0 [ 222.199377][ T7043] el0t_64_sync_handler+0xcc/0xe4 [ 222.200155][ T7043] el0t_64_sync+0x1a0/0x1a4 [ 222.202610][ T7043] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 222.204981][ T7043] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 222.259049][ T4178] Bluetooth: hci2: command 0x040f tx timeout [ 222.337008][ T7046] loop1: detected capacity change from 0 to 32768 [ 222.371591][ T7046] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 222.373245][ T7046] CPU: 0 PID: 7046 Comm: syz.1.640 Not tainted syzkaller #0 [ 222.374342][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.375757][ T7046] Call trace: [ 222.376223][ T7046] dump_backtrace+0x0/0x43c [ 222.376861][ T7046] show_stack+0x2c/0x3c [ 222.377497][ T7046] __dump_stack+0x30/0x40 [ 222.378195][ T7046] dump_stack_lvl+0xf8/0x160 [ 222.378859][ T7046] dump_stack+0x1c/0x5c [ 222.379507][ T7046] sysfs_create_dir_ns+0x22c/0x24c [ 222.380287][ T7046] kobject_add_internal+0x590/0xc54 [ 222.381075][ T7046] kobject_init_and_add+0x118/0x17c [ 222.381844][ T7046] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.382604][ T7046] gfs2_fill_super+0xdac/0x19e0 [ 222.383394][ T7046] get_tree_bdev+0x358/0x544 [ 222.384047][ T7046] gfs2_get_tree+0x54/0x1b4 [ 222.384705][ T7046] vfs_get_tree+0x90/0x274 [ 222.385370][ T7046] do_new_mount+0x228/0x810 [ 222.386014][ T7046] path_mount+0x5b4/0x1000 [ 222.386653][ T7046] __arm64_sys_mount+0x514/0x5e4 [ 222.387426][ T7046] invoke_syscall+0x98/0x2b8 [ 222.388101][ T7046] el0_svc_common+0x138/0x258 [ 222.388860][ T7046] do_el0_svc+0x58/0x14c [ 222.389476][ T7046] el0_svc+0x78/0x1e0 [ 222.390043][ T7046] el0t_64_sync_handler+0xcc/0xe4 [ 222.390730][ T7046] el0t_64_sync+0x1a0/0x1a4 [ 222.392311][ T7046] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 222.394680][ T7046] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 222.524172][ T7049] loop1: detected capacity change from 0 to 32768 [ 222.570549][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 222.572264][ T7049] CPU: 1 PID: 7049 Comm: syz.1.641 Not tainted syzkaller #0 [ 222.573440][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.574990][ T7049] Call trace: [ 222.575484][ T7049] dump_backtrace+0x0/0x43c [ 222.576173][ T7049] show_stack+0x2c/0x3c [ 222.576814][ T7049] __dump_stack+0x30/0x40 [ 222.577474][ T7049] dump_stack_lvl+0xf8/0x160 [ 222.578157][ T7049] dump_stack+0x1c/0x5c [ 222.578790][ T7049] sysfs_create_dir_ns+0x22c/0x24c [ 222.579519][ T7049] kobject_add_internal+0x590/0xc54 [ 222.580288][ T7049] kobject_init_and_add+0x118/0x17c [ 222.581032][ T7049] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.581747][ T7049] gfs2_fill_super+0xdac/0x19e0 [ 222.582476][ T7049] get_tree_bdev+0x358/0x544 [ 222.583188][ T7049] gfs2_get_tree+0x54/0x1b4 [ 222.583907][ T7049] vfs_get_tree+0x90/0x274 [ 222.584572][ T7049] do_new_mount+0x228/0x810 [ 222.585240][ T7049] path_mount+0x5b4/0x1000 [ 222.585866][ T7049] __arm64_sys_mount+0x514/0x5e4 [ 222.586603][ T7049] invoke_syscall+0x98/0x2b8 [ 222.587295][ T7049] el0_svc_common+0x138/0x258 [ 222.587976][ T7049] do_el0_svc+0x58/0x14c [ 222.588613][ T7049] el0_svc+0x78/0x1e0 [ 222.589191][ T7049] el0t_64_sync_handler+0xcc/0xe4 [ 222.589900][ T7049] el0t_64_sync+0x1a0/0x1a4 [ 222.593253][ T7049] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 222.595814][ T7049] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 222.814245][ T7052] loop1: detected capacity change from 0 to 32768 [ 222.855770][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 222.857413][ T7052] CPU: 0 PID: 7052 Comm: syz.1.642 Not tainted syzkaller #0 [ 222.858498][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.860003][ T7052] Call trace: [ 222.860439][ T7052] dump_backtrace+0x0/0x43c [ 222.861338][ T7052] show_stack+0x2c/0x3c [ 222.861984][ T7052] __dump_stack+0x30/0x40 [ 222.862658][ T7052] dump_stack_lvl+0xf8/0x160 [ 222.863368][ T7052] dump_stack+0x1c/0x5c [ 222.863997][ T7052] sysfs_create_dir_ns+0x22c/0x24c [ 222.864812][ T7052] kobject_add_internal+0x590/0xc54 [ 222.865646][ T7052] kobject_init_and_add+0x118/0x17c [ 222.866505][ T7052] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.867229][ T7052] gfs2_fill_super+0xdac/0x19e0 [ 222.867975][ T7052] get_tree_bdev+0x358/0x544 [ 222.868630][ T7052] gfs2_get_tree+0x54/0x1b4 [ 222.869384][ T7052] vfs_get_tree+0x90/0x274 [ 222.870059][ T7052] do_new_mount+0x228/0x810 [ 222.870774][ T7052] path_mount+0x5b4/0x1000 [ 222.871453][ T7052] __arm64_sys_mount+0x514/0x5e4 [ 222.872245][ T7052] invoke_syscall+0x98/0x2b8 [ 222.872928][ T7052] el0_svc_common+0x138/0x258 [ 222.873663][ T7052] do_el0_svc+0x58/0x14c [ 222.874307][ T7052] el0_svc+0x78/0x1e0 [ 222.874890][ T7052] el0t_64_sync_handler+0xcc/0xe4 [ 222.875634][ T7052] el0t_64_sync+0x1a0/0x1a4 [ 222.877710][ T7052] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 222.880241][ T7052] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 223.008323][ T7055] loop1: detected capacity change from 0 to 32768 [ 223.050793][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 223.052565][ T7055] CPU: 1 PID: 7055 Comm: syz.1.643 Not tainted syzkaller #0 [ 223.053617][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.055146][ T7055] Call trace: [ 223.055635][ T7055] dump_backtrace+0x0/0x43c [ 223.056400][ T7055] show_stack+0x2c/0x3c [ 223.057105][ T7055] __dump_stack+0x30/0x40 [ 223.057777][ T7055] dump_stack_lvl+0xf8/0x160 [ 223.058492][ T7055] dump_stack+0x1c/0x5c [ 223.059174][ T7055] sysfs_create_dir_ns+0x22c/0x24c [ 223.059938][ T7055] kobject_add_internal+0x590/0xc54 [ 223.060784][ T7055] kobject_init_and_add+0x118/0x17c [ 223.061618][ T7055] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.062398][ T7055] gfs2_fill_super+0xdac/0x19e0 [ 223.063076][ T7055] get_tree_bdev+0x358/0x544 [ 223.063724][ T7055] gfs2_get_tree+0x54/0x1b4 [ 223.064495][ T7055] vfs_get_tree+0x90/0x274 [ 223.065256][ T7055] do_new_mount+0x228/0x810 [ 223.065928][ T7055] path_mount+0x5b4/0x1000 [ 223.066623][ T7055] __arm64_sys_mount+0x514/0x5e4 [ 223.067390][ T7055] invoke_syscall+0x98/0x2b8 [ 223.068135][ T7055] el0_svc_common+0x138/0x258 [ 223.068917][ T7055] do_el0_svc+0x58/0x14c [ 223.069582][ T7055] el0_svc+0x78/0x1e0 [ 223.070192][ T7055] el0t_64_sync_handler+0xcc/0xe4 [ 223.070888][ T7055] el0t_64_sync+0x1a0/0x1a4 [ 223.073022][ T7055] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 223.075456][ T7055] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 223.204548][ T7058] loop1: detected capacity change from 0 to 32768 [ 223.293798][ T7058] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 223.295516][ T7058] CPU: 0 PID: 7058 Comm: syz.1.644 Not tainted syzkaller #0 [ 223.296537][ T7058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.297962][ T7058] Call trace: [ 223.298424][ T7058] dump_backtrace+0x0/0x43c [ 223.299103][ T7058] show_stack+0x2c/0x3c [ 223.299684][ T7058] __dump_stack+0x30/0x40 [ 223.300345][ T7058] dump_stack_lvl+0xf8/0x160 [ 223.300962][ T7058] dump_stack+0x1c/0x5c [ 223.301546][ T7058] sysfs_create_dir_ns+0x22c/0x24c [ 223.302299][ T7058] kobject_add_internal+0x590/0xc54 [ 223.303112][ T7058] kobject_init_and_add+0x118/0x17c [ 223.303922][ T7058] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.304597][ T7058] gfs2_fill_super+0xdac/0x19e0 [ 223.305293][ T7058] get_tree_bdev+0x358/0x544 [ 223.305935][ T7058] gfs2_get_tree+0x54/0x1b4 [ 223.306602][ T7058] vfs_get_tree+0x90/0x274 [ 223.307244][ T7058] do_new_mount+0x228/0x810 [ 223.307875][ T7058] path_mount+0x5b4/0x1000 [ 223.308518][ T7058] __arm64_sys_mount+0x514/0x5e4 [ 223.309306][ T7058] invoke_syscall+0x98/0x2b8 [ 223.310017][ T7058] el0_svc_common+0x138/0x258 [ 223.310748][ T7058] do_el0_svc+0x58/0x14c [ 223.311406][ T7058] el0_svc+0x78/0x1e0 [ 223.312026][ T7058] el0t_64_sync_handler+0xcc/0xe4 [ 223.312811][ T7058] el0t_64_sync+0x1a0/0x1a4 [ 223.315191][ T7058] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 223.317687][ T7058] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 223.447297][ T7061] loop1: detected capacity change from 0 to 32768 [ 223.486189][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 223.487876][ T7061] CPU: 1 PID: 7061 Comm: syz.1.645 Not tainted syzkaller #0 [ 223.489011][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.490752][ T7061] Call trace: [ 223.491284][ T7061] dump_backtrace+0x0/0x43c [ 223.492013][ T7061] show_stack+0x2c/0x3c [ 223.492716][ T7061] __dump_stack+0x30/0x40 [ 223.493407][ T7061] dump_stack_lvl+0xf8/0x160 [ 223.494117][ T7061] dump_stack+0x1c/0x5c [ 223.494722][ T7061] sysfs_create_dir_ns+0x22c/0x24c [ 223.495439][ T7061] kobject_add_internal+0x590/0xc54 [ 223.496177][ T7061] kobject_init_and_add+0x118/0x17c [ 223.497062][ T7061] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.497806][ T7061] gfs2_fill_super+0xdac/0x19e0 [ 223.498614][ T7061] get_tree_bdev+0x358/0x544 [ 223.499382][ T7061] gfs2_get_tree+0x54/0x1b4 [ 223.500061][ T7061] vfs_get_tree+0x90/0x274 [ 223.500798][ T7061] do_new_mount+0x228/0x810 [ 223.501548][ T7061] path_mount+0x5b4/0x1000 [ 223.502272][ T7061] __arm64_sys_mount+0x514/0x5e4 [ 223.503086][ T7061] invoke_syscall+0x98/0x2b8 [ 223.503797][ T7061] el0_svc_common+0x138/0x258 [ 223.504532][ T7061] do_el0_svc+0x58/0x14c [ 223.505214][ T7061] el0_svc+0x78/0x1e0 [ 223.505832][ T7061] el0t_64_sync_handler+0xcc/0xe4 [ 223.506598][ T7061] el0t_64_sync+0x1a0/0x1a4 [ 223.507715][ T7061] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 223.510306][ T7061] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 223.636159][ T7064] loop1: detected capacity change from 0 to 32768 [ 223.680632][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 223.682236][ T7064] CPU: 1 PID: 7064 Comm: syz.1.646 Not tainted syzkaller #0 [ 223.683367][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.684896][ T7064] Call trace: [ 223.685390][ T7064] dump_backtrace+0x0/0x43c [ 223.686151][ T7064] show_stack+0x2c/0x3c [ 223.686826][ T7064] __dump_stack+0x30/0x40 [ 223.687538][ T7064] dump_stack_lvl+0xf8/0x160 [ 223.688287][ T7064] dump_stack+0x1c/0x5c [ 223.689001][ T7064] sysfs_create_dir_ns+0x22c/0x24c [ 223.689845][ T7064] kobject_add_internal+0x590/0xc54 [ 223.690741][ T7064] kobject_init_and_add+0x118/0x17c [ 223.691555][ T7064] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.692309][ T7064] gfs2_fill_super+0xdac/0x19e0 [ 223.693096][ T7064] get_tree_bdev+0x358/0x544 [ 223.693867][ T7064] gfs2_get_tree+0x54/0x1b4 [ 223.694626][ T7064] vfs_get_tree+0x90/0x274 [ 223.695362][ T7064] do_new_mount+0x228/0x810 [ 223.696124][ T7064] path_mount+0x5b4/0x1000 [ 223.696854][ T7064] __arm64_sys_mount+0x514/0x5e4 [ 223.697613][ T7064] invoke_syscall+0x98/0x2b8 [ 223.698371][ T7064] el0_svc_common+0x138/0x258 [ 223.699136][ T7064] do_el0_svc+0x58/0x14c [ 223.699822][ T7064] el0_svc+0x78/0x1e0 [ 223.700459][ T7064] el0t_64_sync_handler+0xcc/0xe4 [ 223.701203][ T7064] el0t_64_sync+0x1a0/0x1a4 [ 223.702749][ T7064] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 223.705070][ T7064] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:43 executed programs: 633 [ 223.833067][ T7067] loop1: detected capacity change from 0 to 32768 [ 223.911806][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 223.913539][ T7067] CPU: 0 PID: 7067 Comm: syz.1.647 Not tainted syzkaller #0 [ 223.914712][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.916192][ T7067] Call trace: [ 223.916677][ T7067] dump_backtrace+0x0/0x43c [ 223.917333][ T7067] show_stack+0x2c/0x3c [ 223.917966][ T7067] __dump_stack+0x30/0x40 [ 223.918624][ T7067] dump_stack_lvl+0xf8/0x160 [ 223.919354][ T7067] dump_stack+0x1c/0x5c [ 223.920045][ T7067] sysfs_create_dir_ns+0x22c/0x24c [ 223.920870][ T7067] kobject_add_internal+0x590/0xc54 [ 223.921770][ T7067] kobject_init_and_add+0x118/0x17c [ 223.922560][ T7067] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.923280][ T7067] gfs2_fill_super+0xdac/0x19e0 [ 223.924008][ T7067] get_tree_bdev+0x358/0x544 [ 223.924705][ T7067] gfs2_get_tree+0x54/0x1b4 [ 223.925355][ T7067] vfs_get_tree+0x90/0x274 [ 223.925994][ T7067] do_new_mount+0x228/0x810 [ 223.926706][ T7067] path_mount+0x5b4/0x1000 [ 223.927365][ T7067] __arm64_sys_mount+0x514/0x5e4 [ 223.928141][ T7067] invoke_syscall+0x98/0x2b8 [ 223.928869][ T7067] el0_svc_common+0x138/0x258 [ 223.929652][ T7067] do_el0_svc+0x58/0x14c [ 223.930367][ T7067] el0_svc+0x78/0x1e0 [ 223.931029][ T7067] el0t_64_sync_handler+0xcc/0xe4 [ 223.931772][ T7067] el0t_64_sync+0x1a0/0x1a4 [ 223.934037][ T7067] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 223.936501][ T7067] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 224.061712][ T7070] loop1: detected capacity change from 0 to 32768 [ 224.100654][ T7070] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 224.102453][ T7070] CPU: 1 PID: 7070 Comm: syz.1.648 Not tainted syzkaller #0 [ 224.103522][ T7070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.104897][ T7070] Call trace: [ 224.105363][ T7070] dump_backtrace+0x0/0x43c [ 224.105981][ T7070] show_stack+0x2c/0x3c [ 224.106547][ T7070] __dump_stack+0x30/0x40 [ 224.107140][ T7070] dump_stack_lvl+0xf8/0x160 [ 224.107784][ T7070] dump_stack+0x1c/0x5c [ 224.108351][ T7070] sysfs_create_dir_ns+0x22c/0x24c [ 224.109116][ T7070] kobject_add_internal+0x590/0xc54 [ 224.109910][ T7070] kobject_init_and_add+0x118/0x17c [ 224.110665][ T7070] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.111363][ T7070] gfs2_fill_super+0xdac/0x19e0 [ 224.112153][ T7070] get_tree_bdev+0x358/0x544 [ 224.112856][ T7070] gfs2_get_tree+0x54/0x1b4 [ 224.113625][ T7070] vfs_get_tree+0x90/0x274 [ 224.114346][ T7070] do_new_mount+0x228/0x810 [ 224.115026][ T7070] path_mount+0x5b4/0x1000 [ 224.115686][ T7070] __arm64_sys_mount+0x514/0x5e4 [ 224.116417][ T7070] invoke_syscall+0x98/0x2b8 [ 224.117196][ T7070] el0_svc_common+0x138/0x258 [ 224.117973][ T7070] do_el0_svc+0x58/0x14c [ 224.118609][ T7070] el0_svc+0x78/0x1e0 [ 224.119250][ T7070] el0t_64_sync_handler+0xcc/0xe4 [ 224.120040][ T7070] el0t_64_sync+0x1a0/0x1a4 [ 224.122418][ T7070] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 224.124623][ T7070] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 224.252419][ T7073] loop1: detected capacity change from 0 to 32768 [ 224.290219][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 224.291766][ T7073] CPU: 0 PID: 7073 Comm: syz.1.649 Not tainted syzkaller #0 [ 224.292797][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.294425][ T7073] Call trace: [ 224.294909][ T7073] dump_backtrace+0x0/0x43c [ 224.295589][ T7073] show_stack+0x2c/0x3c [ 224.296249][ T7073] __dump_stack+0x30/0x40 [ 224.296864][ T7073] dump_stack_lvl+0xf8/0x160 [ 224.297542][ T7073] dump_stack+0x1c/0x5c [ 224.298217][ T7073] sysfs_create_dir_ns+0x22c/0x24c [ 224.299140][ T7073] kobject_add_internal+0x590/0xc54 [ 224.299941][ T7073] kobject_init_and_add+0x118/0x17c [ 224.300722][ T7073] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.301468][ T7073] gfs2_fill_super+0xdac/0x19e0 [ 224.302221][ T7073] get_tree_bdev+0x358/0x544 [ 224.302960][ T7073] gfs2_get_tree+0x54/0x1b4 [ 224.303638][ T7073] vfs_get_tree+0x90/0x274 [ 224.304306][ T7073] do_new_mount+0x228/0x810 [ 224.304932][ T7073] path_mount+0x5b4/0x1000 [ 224.305555][ T7073] __arm64_sys_mount+0x514/0x5e4 [ 224.306308][ T7073] invoke_syscall+0x98/0x2b8 [ 224.307044][ T7073] el0_svc_common+0x138/0x258 [ 224.307703][ T7073] do_el0_svc+0x58/0x14c [ 224.308370][ T7073] el0_svc+0x78/0x1e0 [ 224.308927][ T7073] el0t_64_sync_handler+0xcc/0xe4 [ 224.309684][ T7073] el0t_64_sync+0x1a0/0x1a4 [ 224.310868][ T7073] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 224.313284][ T7073] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 224.339025][ T13] Bluetooth: hci2: command 0x0419 tx timeout [ 224.439673][ T7076] loop1: detected capacity change from 0 to 32768 [ 224.523642][ T7076] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 224.525335][ T7076] CPU: 1 PID: 7076 Comm: syz.1.650 Not tainted syzkaller #0 [ 224.526437][ T7076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.527966][ T7076] Call trace: [ 224.528492][ T7076] dump_backtrace+0x0/0x43c [ 224.529185][ T7076] show_stack+0x2c/0x3c [ 224.529822][ T7076] __dump_stack+0x30/0x40 [ 224.530507][ T7076] dump_stack_lvl+0xf8/0x160 [ 224.531233][ T7076] dump_stack+0x1c/0x5c [ 224.531884][ T7076] sysfs_create_dir_ns+0x22c/0x24c [ 224.532720][ T7076] kobject_add_internal+0x590/0xc54 [ 224.533518][ T7076] kobject_init_and_add+0x118/0x17c [ 224.534324][ T7076] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.535003][ T7076] gfs2_fill_super+0xdac/0x19e0 [ 224.535753][ T7076] get_tree_bdev+0x358/0x544 [ 224.536412][ T7076] gfs2_get_tree+0x54/0x1b4 [ 224.537059][ T7076] vfs_get_tree+0x90/0x274 [ 224.537697][ T7076] do_new_mount+0x228/0x810 [ 224.538369][ T7076] path_mount+0x5b4/0x1000 [ 224.539020][ T7076] __arm64_sys_mount+0x514/0x5e4 [ 224.539728][ T7076] invoke_syscall+0x98/0x2b8 [ 224.540395][ T7076] el0_svc_common+0x138/0x258 [ 224.541077][ T7076] do_el0_svc+0x58/0x14c [ 224.541680][ T7076] el0_svc+0x78/0x1e0 [ 224.542254][ T7076] el0t_64_sync_handler+0xcc/0xe4 [ 224.543000][ T7076] el0t_64_sync+0x1a0/0x1a4 [ 224.544025][ T7076] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 224.546476][ T7076] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 224.676461][ T7079] loop1: detected capacity change from 0 to 32768 [ 224.782983][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 224.784657][ T7079] CPU: 0 PID: 7079 Comm: syz.1.651 Not tainted syzkaller #0 [ 224.785761][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.787358][ T7079] Call trace: [ 224.787888][ T7079] dump_backtrace+0x0/0x43c [ 224.788617][ T7079] show_stack+0x2c/0x3c [ 224.789249][ T7079] __dump_stack+0x30/0x40 [ 224.789881][ T7079] dump_stack_lvl+0xf8/0x160 [ 224.790570][ T7079] dump_stack+0x1c/0x5c [ 224.791193][ T7079] sysfs_create_dir_ns+0x22c/0x24c [ 224.791920][ T7079] kobject_add_internal+0x590/0xc54 [ 224.792666][ T7079] kobject_init_and_add+0x118/0x17c [ 224.793491][ T7079] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.794174][ T7079] gfs2_fill_super+0xdac/0x19e0 [ 224.794912][ T7079] get_tree_bdev+0x358/0x544 [ 224.795648][ T7079] gfs2_get_tree+0x54/0x1b4 [ 224.796375][ T7079] vfs_get_tree+0x90/0x274 [ 224.797063][ T7079] do_new_mount+0x228/0x810 [ 224.797742][ T7079] path_mount+0x5b4/0x1000 [ 224.798405][ T7079] __arm64_sys_mount+0x514/0x5e4 [ 224.799114][ T7079] invoke_syscall+0x98/0x2b8 [ 224.799871][ T7079] el0_svc_common+0x138/0x258 [ 224.800628][ T7079] do_el0_svc+0x58/0x14c [ 224.801274][ T7079] el0_svc+0x78/0x1e0 [ 224.801905][ T7079] el0t_64_sync_handler+0xcc/0xe4 [ 224.802645][ T7079] el0t_64_sync+0x1a0/0x1a4 [ 224.805970][ T7079] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 224.808332][ T7079] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 224.936921][ T7082] loop1: detected capacity change from 0 to 32768 [ 224.943965][ T7082] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 224.945556][ T7082] CPU: 1 PID: 7082 Comm: syz.1.652 Not tainted syzkaller #0 [ 224.946659][ T7082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.948049][ T7082] Call trace: [ 224.948511][ T7082] dump_backtrace+0x0/0x43c [ 224.949230][ T7082] show_stack+0x2c/0x3c [ 224.949882][ T7082] __dump_stack+0x30/0x40 [ 224.950535][ T7082] dump_stack_lvl+0xf8/0x160 [ 224.951226][ T7082] dump_stack+0x1c/0x5c [ 224.951925][ T7082] sysfs_create_dir_ns+0x22c/0x24c [ 224.952773][ T7082] kobject_add_internal+0x590/0xc54 [ 224.953612][ T7082] kobject_init_and_add+0x118/0x17c [ 224.954473][ T7082] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.955185][ T7082] gfs2_fill_super+0xdac/0x19e0 [ 224.955964][ T7082] get_tree_bdev+0x358/0x544 [ 224.956719][ T7082] gfs2_get_tree+0x54/0x1b4 [ 224.957456][ T7082] vfs_get_tree+0x90/0x274 [ 224.958199][ T7082] do_new_mount+0x228/0x810 [ 224.958957][ T7082] path_mount+0x5b4/0x1000 [ 224.959700][ T7082] __arm64_sys_mount+0x514/0x5e4 [ 224.960472][ T7082] invoke_syscall+0x98/0x2b8 [ 224.961191][ T7082] el0_svc_common+0x138/0x258 [ 224.961907][ T7082] do_el0_svc+0x58/0x14c [ 224.962608][ T7082] el0_svc+0x78/0x1e0 [ 224.963240][ T7082] el0t_64_sync_handler+0xcc/0xe4 [ 224.964078][ T7082] el0t_64_sync+0x1a0/0x1a4 [ 224.964943][ T7082] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 224.967319][ T7082] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 225.095397][ T7085] loop1: detected capacity change from 0 to 32768 [ 225.130511][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 225.132223][ T7085] CPU: 0 PID: 7085 Comm: syz.1.653 Not tainted syzkaller #0 [ 225.133306][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.134848][ T7085] Call trace: [ 225.135371][ T7085] dump_backtrace+0x0/0x43c [ 225.136024][ T7085] show_stack+0x2c/0x3c [ 225.136641][ T7085] __dump_stack+0x30/0x40 [ 225.137335][ T7085] dump_stack_lvl+0xf8/0x160 [ 225.138008][ T7085] dump_stack+0x1c/0x5c [ 225.138643][ T7085] sysfs_create_dir_ns+0x22c/0x24c [ 225.139370][ T7085] kobject_add_internal+0x590/0xc54 [ 225.140133][ T7085] kobject_init_and_add+0x118/0x17c [ 225.140968][ T7085] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.141668][ T7085] gfs2_fill_super+0xdac/0x19e0 [ 225.142326][ T7085] get_tree_bdev+0x358/0x544 [ 225.142987][ T7085] gfs2_get_tree+0x54/0x1b4 [ 225.143659][ T7085] vfs_get_tree+0x90/0x274 [ 225.144359][ T7085] do_new_mount+0x228/0x810 [ 225.145096][ T7085] path_mount+0x5b4/0x1000 [ 225.145811][ T7085] __arm64_sys_mount+0x514/0x5e4 [ 225.146587][ T7085] invoke_syscall+0x98/0x2b8 [ 225.147336][ T7085] el0_svc_common+0x138/0x258 [ 225.148102][ T7085] do_el0_svc+0x58/0x14c [ 225.148803][ T7085] el0_svc+0x78/0x1e0 [ 225.149441][ T7085] el0t_64_sync_handler+0xcc/0xe4 [ 225.150249][ T7085] el0t_64_sync+0x1a0/0x1a4 [ 225.152446][ T7085] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 225.154825][ T7085] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 225.282713][ T7088] loop1: detected capacity change from 0 to 32768 [ 225.291180][ T7088] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 225.292714][ T7088] CPU: 1 PID: 7088 Comm: syz.1.654 Not tainted syzkaller #0 [ 225.293675][ T7088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.295182][ T7088] Call trace: [ 225.295670][ T7088] dump_backtrace+0x0/0x43c [ 225.296328][ T7088] show_stack+0x2c/0x3c [ 225.296980][ T7088] __dump_stack+0x30/0x40 [ 225.297661][ T7088] dump_stack_lvl+0xf8/0x160 [ 225.298412][ T7088] dump_stack+0x1c/0x5c [ 225.299041][ T7088] sysfs_create_dir_ns+0x22c/0x24c [ 225.299849][ T7088] kobject_add_internal+0x590/0xc54 [ 225.300683][ T7088] kobject_init_and_add+0x118/0x17c [ 225.301481][ T7088] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.302165][ T7088] gfs2_fill_super+0xdac/0x19e0 [ 225.302852][ T7088] get_tree_bdev+0x358/0x544 [ 225.303489][ T7088] gfs2_get_tree+0x54/0x1b4 [ 225.304154][ T7088] vfs_get_tree+0x90/0x274 [ 225.304803][ T7088] do_new_mount+0x228/0x810 [ 225.305433][ T7088] path_mount+0x5b4/0x1000 [ 225.306037][ T7088] __arm64_sys_mount+0x514/0x5e4 [ 225.306759][ T7088] invoke_syscall+0x98/0x2b8 [ 225.307480][ T7088] el0_svc_common+0x138/0x258 [ 225.308201][ T7088] do_el0_svc+0x58/0x14c [ 225.308887][ T7088] el0_svc+0x78/0x1e0 [ 225.309533][ T7088] el0t_64_sync_handler+0xcc/0xe4 [ 225.310317][ T7088] el0t_64_sync+0x1a0/0x1a4 [ 225.311516][ T7088] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 225.313989][ T7088] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 225.499314][ T7091] loop1: detected capacity change from 0 to 32768 [ 225.557931][ T7091] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 225.559628][ T7091] CPU: 0 PID: 7091 Comm: syz.1.655 Not tainted syzkaller #0 [ 225.560781][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.562405][ T7091] Call trace: [ 225.562890][ T7091] dump_backtrace+0x0/0x43c [ 225.563532][ T7091] show_stack+0x2c/0x3c [ 225.564180][ T7091] __dump_stack+0x30/0x40 [ 225.564847][ T7091] dump_stack_lvl+0xf8/0x160 [ 225.565623][ T7091] dump_stack+0x1c/0x5c [ 225.566337][ T7091] sysfs_create_dir_ns+0x22c/0x24c [ 225.567195][ T7091] kobject_add_internal+0x590/0xc54 [ 225.568003][ T7091] kobject_init_and_add+0x118/0x17c [ 225.568830][ T7091] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.569611][ T7091] gfs2_fill_super+0xdac/0x19e0 [ 225.570386][ T7091] get_tree_bdev+0x358/0x544 [ 225.571140][ T7091] gfs2_get_tree+0x54/0x1b4 [ 225.571865][ T7091] vfs_get_tree+0x90/0x274 [ 225.572591][ T7091] do_new_mount+0x228/0x810 [ 225.573368][ T7091] path_mount+0x5b4/0x1000 [ 225.574097][ T7091] __arm64_sys_mount+0x514/0x5e4 [ 225.574841][ T7091] invoke_syscall+0x98/0x2b8 [ 225.575528][ T7091] el0_svc_common+0x138/0x258 [ 225.576212][ T7091] do_el0_svc+0x58/0x14c [ 225.576845][ T7091] el0_svc+0x78/0x1e0 [ 225.577490][ T7091] el0t_64_sync_handler+0xcc/0xe4 [ 225.578290][ T7091] el0t_64_sync+0x1a0/0x1a4 [ 225.580597][ T7091] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 225.583039][ T7091] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 225.710896][ T7094] loop1: detected capacity change from 0 to 32768 [ 225.760313][ T7094] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 225.761849][ T7094] CPU: 1 PID: 7094 Comm: syz.1.656 Not tainted syzkaller #0 [ 225.762840][ T7094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.764422][ T7094] Call trace: [ 225.764910][ T7094] dump_backtrace+0x0/0x43c [ 225.765602][ T7094] show_stack+0x2c/0x3c [ 225.766233][ T7094] __dump_stack+0x30/0x40 [ 225.766929][ T7094] dump_stack_lvl+0xf8/0x160 [ 225.767548][ T7094] dump_stack+0x1c/0x5c [ 225.768174][ T7094] sysfs_create_dir_ns+0x22c/0x24c [ 225.768933][ T7094] kobject_add_internal+0x590/0xc54 [ 225.769720][ T7094] kobject_init_and_add+0x118/0x17c [ 225.770469][ T7094] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.771173][ T7094] gfs2_fill_super+0xdac/0x19e0 [ 225.771868][ T7094] get_tree_bdev+0x358/0x544 [ 225.772566][ T7094] gfs2_get_tree+0x54/0x1b4 [ 225.773216][ T7094] vfs_get_tree+0x90/0x274 [ 225.773861][ T7094] do_new_mount+0x228/0x810 [ 225.774583][ T7094] path_mount+0x5b4/0x1000 [ 225.775291][ T7094] __arm64_sys_mount+0x514/0x5e4 [ 225.776101][ T7094] invoke_syscall+0x98/0x2b8 [ 225.776816][ T7094] el0_svc_common+0x138/0x258 [ 225.777577][ T7094] do_el0_svc+0x58/0x14c [ 225.778279][ T7094] el0_svc+0x78/0x1e0 [ 225.778917][ T7094] el0t_64_sync_handler+0xcc/0xe4 [ 225.779753][ T7094] el0t_64_sync+0x1a0/0x1a4 [ 225.781079][ T7094] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 225.783684][ T7094] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 225.910536][ T7097] loop1: detected capacity change from 0 to 32768 [ 226.004220][ T7097] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.005892][ T7097] CPU: 0 PID: 7097 Comm: syz.1.657 Not tainted syzkaller #0 [ 226.007048][ T7097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.008647][ T7097] Call trace: [ 226.009144][ T7097] dump_backtrace+0x0/0x43c [ 226.009834][ T7097] show_stack+0x2c/0x3c [ 226.010445][ T7097] __dump_stack+0x30/0x40 [ 226.011077][ T7097] dump_stack_lvl+0xf8/0x160 [ 226.011745][ T7097] dump_stack+0x1c/0x5c [ 226.012359][ T7097] sysfs_create_dir_ns+0x22c/0x24c [ 226.013157][ T7097] kobject_add_internal+0x590/0xc54 [ 226.013981][ T7097] kobject_init_and_add+0x118/0x17c [ 226.014782][ T7097] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.015517][ T7097] gfs2_fill_super+0xdac/0x19e0 [ 226.016296][ T7097] get_tree_bdev+0x358/0x544 [ 226.016995][ T7097] gfs2_get_tree+0x54/0x1b4 [ 226.017698][ T7097] vfs_get_tree+0x90/0x274 [ 226.018412][ T7097] do_new_mount+0x228/0x810 [ 226.019135][ T7097] path_mount+0x5b4/0x1000 [ 226.019801][ T7097] __arm64_sys_mount+0x514/0x5e4 [ 226.020645][ T7097] invoke_syscall+0x98/0x2b8 [ 226.021372][ T7097] el0_svc_common+0x138/0x258 [ 226.022160][ T7097] do_el0_svc+0x58/0x14c [ 226.022810][ T7097] el0_svc+0x78/0x1e0 [ 226.023404][ T7097] el0t_64_sync_handler+0xcc/0xe4 [ 226.024170][ T7097] el0t_64_sync+0x1a0/0x1a4 [ 226.026403][ T7097] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.028908][ T7097] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 226.157797][ T7100] loop1: detected capacity change from 0 to 32768 [ 226.165019][ T7100] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.166699][ T7100] CPU: 1 PID: 7100 Comm: syz.1.658 Not tainted syzkaller #0 [ 226.167786][ T7100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.169381][ T7100] Call trace: [ 226.169956][ T7100] dump_backtrace+0x0/0x43c [ 226.170702][ T7100] show_stack+0x2c/0x3c [ 226.171370][ T7100] __dump_stack+0x30/0x40 [ 226.172037][ T7100] dump_stack_lvl+0xf8/0x160 [ 226.172746][ T7100] dump_stack+0x1c/0x5c [ 226.173379][ T7100] sysfs_create_dir_ns+0x22c/0x24c [ 226.174196][ T7100] kobject_add_internal+0x590/0xc54 [ 226.174963][ T7100] kobject_init_and_add+0x118/0x17c [ 226.175677][ T7100] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.176333][ T7100] gfs2_fill_super+0xdac/0x19e0 [ 226.177049][ T7100] get_tree_bdev+0x358/0x544 [ 226.177702][ T7100] gfs2_get_tree+0x54/0x1b4 [ 226.178380][ T7100] vfs_get_tree+0x90/0x274 [ 226.179105][ T7100] do_new_mount+0x228/0x810 [ 226.179833][ T7100] path_mount+0x5b4/0x1000 [ 226.180485][ T7100] __arm64_sys_mount+0x514/0x5e4 [ 226.181285][ T7100] invoke_syscall+0x98/0x2b8 [ 226.181975][ T7100] el0_svc_common+0x138/0x258 [ 226.182708][ T7100] do_el0_svc+0x58/0x14c [ 226.183365][ T7100] el0_svc+0x78/0x1e0 [ 226.184027][ T7100] el0t_64_sync_handler+0xcc/0xe4 [ 226.184891][ T7100] el0t_64_sync+0x1a0/0x1a4 [ 226.186722][ T7100] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.189286][ T7100] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 226.313744][ T7103] loop1: detected capacity change from 0 to 32768 [ 226.350262][ T7103] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.351774][ T7103] CPU: 1 PID: 7103 Comm: syz.1.659 Not tainted syzkaller #0 [ 226.352831][ T7103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.354314][ T7103] Call trace: [ 226.354795][ T7103] dump_backtrace+0x0/0x43c [ 226.355455][ T7103] show_stack+0x2c/0x3c [ 226.356030][ T7103] __dump_stack+0x30/0x40 [ 226.356650][ T7103] dump_stack_lvl+0xf8/0x160 [ 226.357341][ T7103] dump_stack+0x1c/0x5c [ 226.357917][ T7103] sysfs_create_dir_ns+0x22c/0x24c [ 226.358638][ T7103] kobject_add_internal+0x590/0xc54 [ 226.359393][ T7103] kobject_init_and_add+0x118/0x17c [ 226.360262][ T7103] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.361043][ T7103] gfs2_fill_super+0xdac/0x19e0 [ 226.361813][ T7103] get_tree_bdev+0x358/0x544 [ 226.362538][ T7103] gfs2_get_tree+0x54/0x1b4 [ 226.363299][ T7103] vfs_get_tree+0x90/0x274 [ 226.363969][ T7103] do_new_mount+0x228/0x810 [ 226.364626][ T7103] path_mount+0x5b4/0x1000 [ 226.365309][ T7103] __arm64_sys_mount+0x514/0x5e4 [ 226.366108][ T7103] invoke_syscall+0x98/0x2b8 [ 226.366874][ T7103] el0_svc_common+0x138/0x258 [ 226.367635][ T7103] do_el0_svc+0x58/0x14c [ 226.368361][ T7103] el0_svc+0x78/0x1e0 [ 226.369030][ T7103] el0t_64_sync_handler+0xcc/0xe4 [ 226.369896][ T7103] el0t_64_sync+0x1a0/0x1a4 [ 226.372032][ T7103] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.374536][ T7103] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 226.502233][ T7106] loop1: detected capacity change from 0 to 32768 [ 226.540219][ T7106] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.541880][ T7106] CPU: 1 PID: 7106 Comm: syz.1.660 Not tainted syzkaller #0 [ 226.543013][ T7106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.544620][ T7106] Call trace: [ 226.545099][ T7106] dump_backtrace+0x0/0x43c [ 226.545757][ T7106] show_stack+0x2c/0x3c [ 226.546394][ T7106] __dump_stack+0x30/0x40 [ 226.547065][ T7106] dump_stack_lvl+0xf8/0x160 [ 226.547796][ T7106] dump_stack+0x1c/0x5c [ 226.548410][ T7106] sysfs_create_dir_ns+0x22c/0x24c [ 226.549242][ T7106] kobject_add_internal+0x590/0xc54 [ 226.550107][ T7106] kobject_init_and_add+0x118/0x17c [ 226.550958][ T7106] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.551730][ T7106] gfs2_fill_super+0xdac/0x19e0 [ 226.552497][ T7106] get_tree_bdev+0x358/0x544 [ 226.553180][ T7106] gfs2_get_tree+0x54/0x1b4 [ 226.553858][ T7106] vfs_get_tree+0x90/0x274 [ 226.554529][ T7106] do_new_mount+0x228/0x810 [ 226.555250][ T7106] path_mount+0x5b4/0x1000 [ 226.555960][ T7106] __arm64_sys_mount+0x514/0x5e4 [ 226.556745][ T7106] invoke_syscall+0x98/0x2b8 [ 226.557483][ T7106] el0_svc_common+0x138/0x258 [ 226.558253][ T7106] do_el0_svc+0x58/0x14c [ 226.558891][ T7106] el0_svc+0x78/0x1e0 [ 226.559583][ T7106] el0t_64_sync_handler+0xcc/0xe4 [ 226.560452][ T7106] el0t_64_sync+0x1a0/0x1a4 [ 226.562199][ T7106] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.564625][ T7106] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 226.692627][ T7109] loop1: detected capacity change from 0 to 32768 [ 226.736710][ T7109] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.738373][ T7109] CPU: 0 PID: 7109 Comm: syz.1.661 Not tainted syzkaller #0 [ 226.739453][ T7109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.740886][ T7109] Call trace: [ 226.741372][ T7109] dump_backtrace+0x0/0x43c [ 226.741981][ T7109] show_stack+0x2c/0x3c [ 226.742585][ T7109] __dump_stack+0x30/0x40 [ 226.743213][ T7109] dump_stack_lvl+0xf8/0x160 [ 226.743915][ T7109] dump_stack+0x1c/0x5c [ 226.744565][ T7109] sysfs_create_dir_ns+0x22c/0x24c [ 226.745270][ T7109] kobject_add_internal+0x590/0xc54 [ 226.746038][ T7109] kobject_init_and_add+0x118/0x17c [ 226.746826][ T7109] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.747466][ T7109] gfs2_fill_super+0xdac/0x19e0 [ 226.748157][ T7109] get_tree_bdev+0x358/0x544 [ 226.748818][ T7109] gfs2_get_tree+0x54/0x1b4 [ 226.749455][ T7109] vfs_get_tree+0x90/0x274 [ 226.750074][ T7109] do_new_mount+0x228/0x810 [ 226.750810][ T7109] path_mount+0x5b4/0x1000 [ 226.751482][ T7109] __arm64_sys_mount+0x514/0x5e4 [ 226.752210][ T7109] invoke_syscall+0x98/0x2b8 [ 226.752996][ T7109] el0_svc_common+0x138/0x258 [ 226.753766][ T7109] do_el0_svc+0x58/0x14c [ 226.754395][ T7109] el0_svc+0x78/0x1e0 [ 226.755031][ T7109] el0t_64_sync_handler+0xcc/0xe4 [ 226.755758][ T7109] el0t_64_sync+0x1a0/0x1a4 [ 226.757914][ T7109] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.760486][ T7109] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 226.888195][ T7112] loop1: detected capacity change from 0 to 32768 [ 226.895565][ T7112] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 226.897194][ T7112] CPU: 0 PID: 7112 Comm: syz.1.662 Not tainted syzkaller #0 [ 226.898342][ T7112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.899943][ T7112] Call trace: [ 226.900457][ T7112] dump_backtrace+0x0/0x43c [ 226.901183][ T7112] show_stack+0x2c/0x3c [ 226.901864][ T7112] __dump_stack+0x30/0x40 [ 226.902605][ T7112] dump_stack_lvl+0xf8/0x160 [ 226.903377][ T7112] dump_stack+0x1c/0x5c [ 226.904037][ T7112] sysfs_create_dir_ns+0x22c/0x24c [ 226.904806][ T7112] kobject_add_internal+0x590/0xc54 [ 226.905617][ T7112] kobject_init_and_add+0x118/0x17c [ 226.906451][ T7112] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.907260][ T7112] gfs2_fill_super+0xdac/0x19e0 [ 226.908010][ T7112] get_tree_bdev+0x358/0x544 [ 226.908725][ T7112] gfs2_get_tree+0x54/0x1b4 [ 226.909470][ T7112] vfs_get_tree+0x90/0x274 [ 226.910209][ T7112] do_new_mount+0x228/0x810 [ 226.910936][ T7112] path_mount+0x5b4/0x1000 [ 226.911692][ T7112] __arm64_sys_mount+0x514/0x5e4 [ 226.912499][ T7112] invoke_syscall+0x98/0x2b8 [ 226.913208][ T7112] el0_svc_common+0x138/0x258 [ 226.913954][ T7112] do_el0_svc+0x58/0x14c [ 226.914617][ T7112] el0_svc+0x78/0x1e0 [ 226.915292][ T7112] el0t_64_sync_handler+0xcc/0xe4 [ 226.916038][ T7112] el0t_64_sync+0x1a0/0x1a4 [ 226.918611][ T7112] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 226.921455][ T7112] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 227.057970][ T7115] loop1: detected capacity change from 0 to 32768 [ 227.066004][ T7115] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 227.067571][ T7115] CPU: 0 PID: 7115 Comm: syz.1.663 Not tainted syzkaller #0 [ 227.068722][ T7115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.070286][ T7115] Call trace: [ 227.070818][ T7115] dump_backtrace+0x0/0x43c [ 227.071492][ T7115] show_stack+0x2c/0x3c [ 227.072159][ T7115] __dump_stack+0x30/0x40 [ 227.072859][ T7115] dump_stack_lvl+0xf8/0x160 [ 227.073541][ T7115] dump_stack+0x1c/0x5c [ 227.074184][ T7115] sysfs_create_dir_ns+0x22c/0x24c [ 227.074983][ T7115] kobject_add_internal+0x590/0xc54 [ 227.075783][ T7115] kobject_init_and_add+0x118/0x17c [ 227.076617][ T7115] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.077330][ T7115] gfs2_fill_super+0xdac/0x19e0 [ 227.078043][ T7115] get_tree_bdev+0x358/0x544 [ 227.078730][ T7115] gfs2_get_tree+0x54/0x1b4 [ 227.079443][ T7115] vfs_get_tree+0x90/0x274 [ 227.080153][ T7115] do_new_mount+0x228/0x810 [ 227.080876][ T7115] path_mount+0x5b4/0x1000 [ 227.081594][ T7115] __arm64_sys_mount+0x514/0x5e4 [ 227.082337][ T7115] invoke_syscall+0x98/0x2b8 [ 227.083097][ T7115] el0_svc_common+0x138/0x258 [ 227.083867][ T7115] do_el0_svc+0x58/0x14c [ 227.084513][ T7115] el0_svc+0x78/0x1e0 [ 227.085085][ T7115] el0t_64_sync_handler+0xcc/0xe4 [ 227.085900][ T7115] el0t_64_sync+0x1a0/0x1a4 [ 227.087985][ T7115] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 227.090497][ T7115] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 227.220355][ T7118] loop1: detected capacity change from 0 to 32768 [ 227.227339][ T7118] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 227.229105][ T7118] CPU: 1 PID: 7118 Comm: syz.1.664 Not tainted syzkaller #0 [ 227.230183][ T7118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.231698][ T7118] Call trace: [ 227.232219][ T7118] dump_backtrace+0x0/0x43c [ 227.232981][ T7118] show_stack+0x2c/0x3c [ 227.233596][ T7118] __dump_stack+0x30/0x40 [ 227.234192][ T7118] dump_stack_lvl+0xf8/0x160 [ 227.234925][ T7118] dump_stack+0x1c/0x5c [ 227.235559][ T7118] sysfs_create_dir_ns+0x22c/0x24c [ 227.236296][ T7118] kobject_add_internal+0x590/0xc54 [ 227.237090][ T7118] kobject_init_and_add+0x118/0x17c [ 227.237885][ T7118] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.238650][ T7118] gfs2_fill_super+0xdac/0x19e0 [ 227.239368][ T7118] get_tree_bdev+0x358/0x544 [ 227.240031][ T7118] gfs2_get_tree+0x54/0x1b4 [ 227.240678][ T7118] vfs_get_tree+0x90/0x274 [ 227.241366][ T7118] do_new_mount+0x228/0x810 [ 227.242133][ T7118] path_mount+0x5b4/0x1000 [ 227.242756][ T7118] __arm64_sys_mount+0x514/0x5e4 [ 227.243455][ T7118] invoke_syscall+0x98/0x2b8 [ 227.244120][ T7118] el0_svc_common+0x138/0x258 [ 227.244848][ T7118] do_el0_svc+0x58/0x14c [ 227.245469][ T7118] el0_svc+0x78/0x1e0 [ 227.246061][ T7118] el0t_64_sync_handler+0xcc/0xe4 [ 227.246834][ T7118] el0t_64_sync+0x1a0/0x1a4 [ 227.249035][ T7118] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 227.251358][ T7118] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 227.382589][ T7121] loop1: detected capacity change from 0 to 32768 [ 227.420183][ T7121] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 227.421801][ T7121] CPU: 1 PID: 7121 Comm: syz.1.665 Not tainted syzkaller #0 [ 227.422904][ T7121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.424363][ T7121] Call trace: [ 227.424871][ T7121] dump_backtrace+0x0/0x43c [ 227.425612][ T7121] show_stack+0x2c/0x3c [ 227.426258][ T7121] __dump_stack+0x30/0x40 [ 227.426894][ T7121] dump_stack_lvl+0xf8/0x160 [ 227.427587][ T7121] dump_stack+0x1c/0x5c [ 227.428228][ T7121] sysfs_create_dir_ns+0x22c/0x24c [ 227.428944][ T7121] kobject_add_internal+0x590/0xc54 [ 227.429717][ T7121] kobject_init_and_add+0x118/0x17c [ 227.430495][ T7121] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.431229][ T7121] gfs2_fill_super+0xdac/0x19e0 [ 227.432053][ T7121] get_tree_bdev+0x358/0x544 [ 227.432745][ T7121] gfs2_get_tree+0x54/0x1b4 [ 227.433443][ T7121] vfs_get_tree+0x90/0x274 [ 227.434130][ T7121] do_new_mount+0x228/0x810 [ 227.434825][ T7121] path_mount+0x5b4/0x1000 [ 227.435497][ T7121] __arm64_sys_mount+0x514/0x5e4 [ 227.436293][ T7121] invoke_syscall+0x98/0x2b8 [ 227.437059][ T7121] el0_svc_common+0x138/0x258 [ 227.437861][ T7121] do_el0_svc+0x58/0x14c [ 227.438537][ T7121] el0_svc+0x78/0x1e0 [ 227.439115][ T7121] el0t_64_sync_handler+0xcc/0xe4 [ 227.439848][ T7121] el0t_64_sync+0x1a0/0x1a4 [ 227.441445][ T7121] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 227.443871][ T7121] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 227.571388][ T7124] loop1: detected capacity change from 0 to 32768 [ 227.640249][ T7124] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 227.641826][ T7124] CPU: 0 PID: 7124 Comm: syz.1.666 Not tainted syzkaller #0 [ 227.642854][ T7124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.644227][ T7124] Call trace: [ 227.644671][ T7124] dump_backtrace+0x0/0x43c [ 227.645256][ T7124] show_stack+0x2c/0x3c [ 227.645901][ T7124] __dump_stack+0x30/0x40 [ 227.646529][ T7124] dump_stack_lvl+0xf8/0x160 [ 227.647281][ T7124] dump_stack+0x1c/0x5c [ 227.647975][ T7124] sysfs_create_dir_ns+0x22c/0x24c [ 227.648830][ T7124] kobject_add_internal+0x590/0xc54 [ 227.649713][ T7124] kobject_init_and_add+0x118/0x17c [ 227.650526][ T7124] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.651277][ T7124] gfs2_fill_super+0xdac/0x19e0 [ 227.652019][ T7124] get_tree_bdev+0x358/0x544 [ 227.652765][ T7124] gfs2_get_tree+0x54/0x1b4 [ 227.653531][ T7124] vfs_get_tree+0x90/0x274 [ 227.654264][ T7124] do_new_mount+0x228/0x810 [ 227.654929][ T7124] path_mount+0x5b4/0x1000 [ 227.655675][ T7124] __arm64_sys_mount+0x514/0x5e4 [ 227.656490][ T7124] invoke_syscall+0x98/0x2b8 [ 227.657261][ T7124] el0_svc_common+0x138/0x258 [ 227.658054][ T7124] do_el0_svc+0x58/0x14c [ 227.658710][ T7124] el0_svc+0x78/0x1e0 [ 227.659331][ T7124] el0t_64_sync_handler+0xcc/0xe4 [ 227.660129][ T7124] el0t_64_sync+0x1a0/0x1a4 [ 227.661468][ T7124] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 227.663783][ T7124] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 227.938991][ T7127] loop1: detected capacity change from 0 to 32768 [ 227.995027][ T7127] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 227.996799][ T7127] CPU: 0 PID: 7127 Comm: syz.1.667 Not tainted syzkaller #0 [ 227.997849][ T7127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.999407][ T7127] Call trace: [ 227.999955][ T7127] dump_backtrace+0x0/0x43c [ 228.000670][ T7127] show_stack+0x2c/0x3c [ 228.001313][ T7127] __dump_stack+0x30/0x40 [ 228.001946][ T7127] dump_stack_lvl+0xf8/0x160 [ 228.002599][ T7127] dump_stack+0x1c/0x5c [ 228.003147][ T7127] sysfs_create_dir_ns+0x22c/0x24c [ 228.003913][ T7127] kobject_add_internal+0x590/0xc54 [ 228.004745][ T7127] kobject_init_and_add+0x118/0x17c [ 228.005626][ T7127] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.006448][ T7127] gfs2_fill_super+0xdac/0x19e0 [ 228.007274][ T7127] get_tree_bdev+0x358/0x544 [ 228.008038][ T7127] gfs2_get_tree+0x54/0x1b4 [ 228.008728][ T7127] vfs_get_tree+0x90/0x274 [ 228.009394][ T7127] do_new_mount+0x228/0x810 [ 228.010127][ T7127] path_mount+0x5b4/0x1000 [ 228.010812][ T7127] __arm64_sys_mount+0x514/0x5e4 [ 228.011524][ T7127] invoke_syscall+0x98/0x2b8 [ 228.012294][ T7127] el0_svc_common+0x138/0x258 [ 228.012998][ T7127] do_el0_svc+0x58/0x14c [ 228.013641][ T7127] el0_svc+0x78/0x1e0 [ 228.014273][ T7127] el0t_64_sync_handler+0xcc/0xe4 [ 228.015118][ T7127] el0t_64_sync+0x1a0/0x1a4 [ 228.016020][ T7127] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 228.018425][ T7127] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 228.146589][ T7130] loop1: detected capacity change from 0 to 32768 [ 228.195481][ T7130] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 228.197129][ T7130] CPU: 0 PID: 7130 Comm: syz.1.668 Not tainted syzkaller #0 [ 228.198207][ T7130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.199804][ T7130] Call trace: [ 228.200328][ T7130] dump_backtrace+0x0/0x43c [ 228.201028][ T7130] show_stack+0x2c/0x3c [ 228.201659][ T7130] __dump_stack+0x30/0x40 [ 228.202412][ T7130] dump_stack_lvl+0xf8/0x160 [ 228.203129][ T7130] dump_stack+0x1c/0x5c [ 228.203800][ T7130] sysfs_create_dir_ns+0x22c/0x24c [ 228.204609][ T7130] kobject_add_internal+0x590/0xc54 [ 228.205471][ T7130] kobject_init_and_add+0x118/0x17c [ 228.206255][ T7130] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.206978][ T7130] gfs2_fill_super+0xdac/0x19e0 [ 228.207712][ T7130] get_tree_bdev+0x358/0x544 [ 228.208448][ T7130] gfs2_get_tree+0x54/0x1b4 [ 228.209144][ T7130] vfs_get_tree+0x90/0x274 [ 228.209791][ T7130] do_new_mount+0x228/0x810 [ 228.210499][ T7130] path_mount+0x5b4/0x1000 [ 228.211132][ T7130] __arm64_sys_mount+0x514/0x5e4 [ 228.211879][ T7130] invoke_syscall+0x98/0x2b8 [ 228.212545][ T7130] el0_svc_common+0x138/0x258 [ 228.213224][ T7130] do_el0_svc+0x58/0x14c [ 228.213817][ T7130] el0_svc+0x78/0x1e0 [ 228.214368][ T7130] el0t_64_sync_handler+0xcc/0xe4 [ 228.215077][ T7130] el0t_64_sync+0x1a0/0x1a4 [ 228.217513][ T7130] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 228.220127][ T7130] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 228.351018][ T7133] loop1: detected capacity change from 0 to 32768 [ 228.394779][ T7133] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 228.396566][ T7133] CPU: 0 PID: 7133 Comm: syz.1.669 Not tainted syzkaller #0 [ 228.397739][ T7133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.399261][ T7133] Call trace: [ 228.399790][ T7133] dump_backtrace+0x0/0x43c [ 228.400545][ T7133] show_stack+0x2c/0x3c [ 228.401228][ T7133] __dump_stack+0x30/0x40 [ 228.401867][ T7133] dump_stack_lvl+0xf8/0x160 [ 228.402565][ T7133] dump_stack+0x1c/0x5c [ 228.403256][ T7133] sysfs_create_dir_ns+0x22c/0x24c [ 228.404032][ T7133] kobject_add_internal+0x590/0xc54 [ 228.404829][ T7133] kobject_init_and_add+0x118/0x17c [ 228.405570][ T7133] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.406325][ T7133] gfs2_fill_super+0xdac/0x19e0 [ 228.407095][ T7133] get_tree_bdev+0x358/0x544 [ 228.407841][ T7133] gfs2_get_tree+0x54/0x1b4 [ 228.408542][ T7133] vfs_get_tree+0x90/0x274 [ 228.409249][ T7133] do_new_mount+0x228/0x810 [ 228.409948][ T7133] path_mount+0x5b4/0x1000 [ 228.410606][ T7133] __arm64_sys_mount+0x514/0x5e4 [ 228.411345][ T7133] invoke_syscall+0x98/0x2b8 [ 228.412024][ T7133] el0_svc_common+0x138/0x258 [ 228.412701][ T7133] do_el0_svc+0x58/0x14c [ 228.413309][ T7133] el0_svc+0x78/0x1e0 [ 228.413911][ T7133] el0t_64_sync_handler+0xcc/0xe4 [ 228.414589][ T7133] el0t_64_sync+0x1a0/0x1a4 [ 228.416094][ T7133] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 228.418579][ T7133] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 228.559426][ T7136] loop1: detected capacity change from 0 to 32768 [ 228.624551][ T7136] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 228.626239][ T7136] CPU: 0 PID: 7136 Comm: syz.1.670 Not tainted syzkaller #0 [ 228.627287][ T7136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.628647][ T7136] Call trace: [ 228.629086][ T7136] dump_backtrace+0x0/0x43c [ 228.629726][ T7136] show_stack+0x2c/0x3c [ 228.630398][ T7136] __dump_stack+0x30/0x40 [ 228.631159][ T7136] dump_stack_lvl+0xf8/0x160 [ 228.631866][ T7136] dump_stack+0x1c/0x5c [ 228.632469][ T7136] sysfs_create_dir_ns+0x22c/0x24c [ 228.633231][ T7136] kobject_add_internal+0x590/0xc54 [ 228.634030][ T7136] kobject_init_and_add+0x118/0x17c [ 228.634780][ T7136] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.635435][ T7136] gfs2_fill_super+0xdac/0x19e0 [ 228.636183][ T7136] get_tree_bdev+0x358/0x544 [ 228.636836][ T7136] gfs2_get_tree+0x54/0x1b4 [ 228.637475][ T7136] vfs_get_tree+0x90/0x274 [ 228.638132][ T7136] do_new_mount+0x228/0x810 [ 228.638785][ T7136] path_mount+0x5b4/0x1000 [ 228.639377][ T7136] __arm64_sys_mount+0x514/0x5e4 [ 228.640163][ T7136] invoke_syscall+0x98/0x2b8 [ 228.640880][ T7136] el0_svc_common+0x138/0x258 [ 228.641609][ T7136] do_el0_svc+0x58/0x14c [ 228.642241][ T7136] el0_svc+0x78/0x1e0 [ 228.642834][ T7136] el0t_64_sync_handler+0xcc/0xe4 [ 228.643683][ T7136] el0t_64_sync+0x1a0/0x1a4 [ 228.645745][ T7136] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 228.648231][ T7136] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 228.783217][ T7139] loop1: detected capacity change from 0 to 32768 [ 228.791101][ T7139] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 228.792610][ T7139] CPU: 1 PID: 7139 Comm: syz.1.671 Not tainted syzkaller #0 [ 228.793634][ T7139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.795020][ T7139] Call trace: [ 228.795514][ T7139] dump_backtrace+0x0/0x43c [ 228.796176][ T7139] show_stack+0x2c/0x3c [ 228.796776][ T7139] __dump_stack+0x30/0x40 [ 228.797371][ T7139] dump_stack_lvl+0xf8/0x160 [ 228.797981][ T7139] dump_stack+0x1c/0x5c [ 228.798649][ T7139] sysfs_create_dir_ns+0x22c/0x24c [ 228.799531][ T7139] kobject_add_internal+0x590/0xc54 [ 228.800299][ T7139] kobject_init_and_add+0x118/0x17c [ 228.801153][ T7139] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.801883][ T7139] gfs2_fill_super+0xdac/0x19e0 [ 228.802651][ T7139] get_tree_bdev+0x358/0x544 [ 228.803381][ T7139] gfs2_get_tree+0x54/0x1b4 [ 228.804119][ T7139] vfs_get_tree+0x90/0x274 [ 228.804867][ T7139] do_new_mount+0x228/0x810 [ 228.805566][ T7139] path_mount+0x5b4/0x1000 [ 228.806265][ T7139] __arm64_sys_mount+0x514/0x5e4 [ 228.807074][ T7139] invoke_syscall+0x98/0x2b8 [ 228.807781][ T7139] el0_svc_common+0x138/0x258 [ 228.808516][ T7139] do_el0_svc+0x58/0x14c [ 228.809220][ T7139] el0_svc+0x78/0x1e0 [ 228.809899][ T7139] el0t_64_sync_handler+0xcc/0xe4 [ 228.810690][ T7139] el0t_64_sync+0x1a0/0x1a4 [ 228.812719][ T7139] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 228.815177][ T7139] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:48 executed programs: 658 [ 229.002549][ T7142] loop1: detected capacity change from 0 to 32768 [ 229.054951][ T7142] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 229.056648][ T7142] CPU: 1 PID: 7142 Comm: syz.1.672 Not tainted syzkaller #0 [ 229.057832][ T7142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.059504][ T7142] Call trace: [ 229.060088][ T7142] dump_backtrace+0x0/0x43c [ 229.060797][ T7142] show_stack+0x2c/0x3c [ 229.061440][ T7142] __dump_stack+0x30/0x40 [ 229.062133][ T7142] dump_stack_lvl+0xf8/0x160 [ 229.062863][ T7142] dump_stack+0x1c/0x5c [ 229.063518][ T7142] sysfs_create_dir_ns+0x22c/0x24c [ 229.064283][ T7142] kobject_add_internal+0x590/0xc54 [ 229.065048][ T7142] kobject_init_and_add+0x118/0x17c [ 229.065772][ T7142] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.066469][ T7142] gfs2_fill_super+0xdac/0x19e0 [ 229.067148][ T7142] get_tree_bdev+0x358/0x544 [ 229.067831][ T7142] gfs2_get_tree+0x54/0x1b4 [ 229.068542][ T7142] vfs_get_tree+0x90/0x274 [ 229.069188][ T7142] do_new_mount+0x228/0x810 [ 229.069848][ T7142] path_mount+0x5b4/0x1000 [ 229.070471][ T7142] __arm64_sys_mount+0x514/0x5e4 [ 229.071158][ T7142] invoke_syscall+0x98/0x2b8 [ 229.071833][ T7142] el0_svc_common+0x138/0x258 [ 229.072589][ T7142] do_el0_svc+0x58/0x14c [ 229.073260][ T7142] el0_svc+0x78/0x1e0 [ 229.073928][ T7142] el0t_64_sync_handler+0xcc/0xe4 [ 229.074752][ T7142] el0t_64_sync+0x1a0/0x1a4 [ 229.075700][ T7142] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 229.078043][ T7142] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 229.209795][ T7145] loop1: detected capacity change from 0 to 32768 [ 229.265640][ T7145] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 229.267344][ T7145] CPU: 0 PID: 7145 Comm: syz.1.673 Not tainted syzkaller #0 [ 229.268454][ T7145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.269955][ T7145] Call trace: [ 229.270442][ T7145] dump_backtrace+0x0/0x43c [ 229.271144][ T7145] show_stack+0x2c/0x3c [ 229.271741][ T7145] __dump_stack+0x30/0x40 [ 229.272418][ T7145] dump_stack_lvl+0xf8/0x160 [ 229.273133][ T7145] dump_stack+0x1c/0x5c [ 229.273753][ T7145] sysfs_create_dir_ns+0x22c/0x24c [ 229.274538][ T7145] kobject_add_internal+0x590/0xc54 [ 229.275272][ T7145] kobject_init_and_add+0x118/0x17c [ 229.275990][ T7145] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.276690][ T7145] gfs2_fill_super+0xdac/0x19e0 [ 229.277487][ T7145] get_tree_bdev+0x358/0x544 [ 229.278223][ T7145] gfs2_get_tree+0x54/0x1b4 [ 229.278975][ T7145] vfs_get_tree+0x90/0x274 [ 229.279724][ T7145] do_new_mount+0x228/0x810 [ 229.280504][ T7145] path_mount+0x5b4/0x1000 [ 229.281147][ T7145] __arm64_sys_mount+0x514/0x5e4 [ 229.281863][ T7145] invoke_syscall+0x98/0x2b8 [ 229.282605][ T7145] el0_svc_common+0x138/0x258 [ 229.283402][ T7145] do_el0_svc+0x58/0x14c [ 229.284095][ T7145] el0_svc+0x78/0x1e0 [ 229.284700][ T7145] el0t_64_sync_handler+0xcc/0xe4 [ 229.285515][ T7145] el0t_64_sync+0x1a0/0x1a4 [ 229.286410][ T7145] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 229.288632][ T7145] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 229.414651][ T7148] loop1: detected capacity change from 0 to 32768 [ 229.504272][ T7148] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 229.505896][ T7148] CPU: 1 PID: 7148 Comm: syz.1.674 Not tainted syzkaller #0 [ 229.507123][ T7148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.508701][ T7148] Call trace: [ 229.509228][ T7148] dump_backtrace+0x0/0x43c [ 229.509979][ T7148] show_stack+0x2c/0x3c [ 229.510617][ T7148] __dump_stack+0x30/0x40 [ 229.511263][ T7148] dump_stack_lvl+0xf8/0x160 [ 229.511979][ T7148] dump_stack+0x1c/0x5c [ 229.512630][ T7148] sysfs_create_dir_ns+0x22c/0x24c [ 229.513442][ T7148] kobject_add_internal+0x590/0xc54 [ 229.514212][ T7148] kobject_init_and_add+0x118/0x17c [ 229.515062][ T7148] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.515813][ T7148] gfs2_fill_super+0xdac/0x19e0 [ 229.516640][ T7148] get_tree_bdev+0x358/0x544 [ 229.517378][ T7148] gfs2_get_tree+0x54/0x1b4 [ 229.518015][ T7148] vfs_get_tree+0x90/0x274 [ 229.518718][ T7148] do_new_mount+0x228/0x810 [ 229.519425][ T7148] path_mount+0x5b4/0x1000 [ 229.520188][ T7148] __arm64_sys_mount+0x514/0x5e4 [ 229.521044][ T7148] invoke_syscall+0x98/0x2b8 [ 229.521804][ T7148] el0_svc_common+0x138/0x258 [ 229.522572][ T7148] do_el0_svc+0x58/0x14c [ 229.523303][ T7148] el0_svc+0x78/0x1e0 [ 229.523924][ T7148] el0t_64_sync_handler+0xcc/0xe4 [ 229.524719][ T7148] el0t_64_sync+0x1a0/0x1a4 [ 229.526822][ T7148] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 229.530601][ T7148] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 229.660049][ T7151] loop1: detected capacity change from 0 to 32768 [ 229.724812][ T7151] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 229.726527][ T7151] CPU: 1 PID: 7151 Comm: syz.1.675 Not tainted syzkaller #0 [ 229.727653][ T7151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.729077][ T7151] Call trace: [ 229.729564][ T7151] dump_backtrace+0x0/0x43c [ 229.730278][ T7151] show_stack+0x2c/0x3c [ 229.730989][ T7151] __dump_stack+0x30/0x40 [ 229.731716][ T7151] dump_stack_lvl+0xf8/0x160 [ 229.732509][ T7151] dump_stack+0x1c/0x5c [ 229.733169][ T7151] sysfs_create_dir_ns+0x22c/0x24c [ 229.733971][ T7151] kobject_add_internal+0x590/0xc54 [ 229.734808][ T7151] kobject_init_and_add+0x118/0x17c [ 229.735634][ T7151] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.736376][ T7151] gfs2_fill_super+0xdac/0x19e0 [ 229.737142][ T7151] get_tree_bdev+0x358/0x544 [ 229.737823][ T7151] gfs2_get_tree+0x54/0x1b4 [ 229.738450][ T7151] vfs_get_tree+0x90/0x274 [ 229.739199][ T7151] do_new_mount+0x228/0x810 [ 229.739908][ T7151] path_mount+0x5b4/0x1000 [ 229.740582][ T7151] __arm64_sys_mount+0x514/0x5e4 [ 229.741348][ T7151] invoke_syscall+0x98/0x2b8 [ 229.742033][ T7151] el0_svc_common+0x138/0x258 [ 229.742745][ T7151] do_el0_svc+0x58/0x14c [ 229.743390][ T7151] el0_svc+0x78/0x1e0 [ 229.744005][ T7151] el0t_64_sync_handler+0xcc/0xe4 [ 229.744777][ T7151] el0t_64_sync+0x1a0/0x1a4 [ 229.746190][ T7151] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 229.748686][ T7151] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 229.877164][ T7154] loop1: detected capacity change from 0 to 32768 [ 229.917764][ T7154] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 229.919582][ T7154] CPU: 0 PID: 7154 Comm: syz.1.676 Not tainted syzkaller #0 [ 229.920655][ T7154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.922057][ T7154] Call trace: [ 229.922546][ T7154] dump_backtrace+0x0/0x43c [ 229.923237][ T7154] show_stack+0x2c/0x3c [ 229.923915][ T7154] __dump_stack+0x30/0x40 [ 229.924626][ T7154] dump_stack_lvl+0xf8/0x160 [ 229.925318][ T7154] dump_stack+0x1c/0x5c [ 229.925927][ T7154] sysfs_create_dir_ns+0x22c/0x24c [ 229.926596][ T7154] kobject_add_internal+0x590/0xc54 [ 229.927300][ T7154] kobject_init_and_add+0x118/0x17c [ 229.928046][ T7154] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.928660][ T7154] gfs2_fill_super+0xdac/0x19e0 [ 229.929289][ T7154] get_tree_bdev+0x358/0x544 [ 229.929938][ T7154] gfs2_get_tree+0x54/0x1b4 [ 229.930616][ T7154] vfs_get_tree+0x90/0x274 [ 229.931295][ T7154] do_new_mount+0x228/0x810 [ 229.932027][ T7154] path_mount+0x5b4/0x1000 [ 229.932686][ T7154] __arm64_sys_mount+0x514/0x5e4 [ 229.933449][ T7154] invoke_syscall+0x98/0x2b8 [ 229.934132][ T7154] el0_svc_common+0x138/0x258 [ 229.934887][ T7154] do_el0_svc+0x58/0x14c [ 229.935564][ T7154] el0_svc+0x78/0x1e0 [ 229.936157][ T7154] el0t_64_sync_handler+0xcc/0xe4 [ 229.936921][ T7154] el0t_64_sync+0x1a0/0x1a4 [ 229.939365][ T7154] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 229.941752][ T7154] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 230.067368][ T7157] loop1: detected capacity change from 0 to 32768 [ 230.106145][ T7157] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 230.107819][ T7157] CPU: 0 PID: 7157 Comm: syz.1.677 Not tainted syzkaller #0 [ 230.108879][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.110436][ T7157] Call trace: [ 230.110918][ T7157] dump_backtrace+0x0/0x43c [ 230.111597][ T7157] show_stack+0x2c/0x3c [ 230.112219][ T7157] __dump_stack+0x30/0x40 [ 230.112927][ T7157] dump_stack_lvl+0xf8/0x160 [ 230.113712][ T7157] dump_stack+0x1c/0x5c [ 230.114392][ T7157] sysfs_create_dir_ns+0x22c/0x24c [ 230.115141][ T7157] kobject_add_internal+0x590/0xc54 [ 230.115947][ T7157] kobject_init_and_add+0x118/0x17c [ 230.116750][ T7157] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.117515][ T7157] gfs2_fill_super+0xdac/0x19e0 [ 230.118221][ T7157] get_tree_bdev+0x358/0x544 [ 230.118911][ T7157] gfs2_get_tree+0x54/0x1b4 [ 230.119571][ T7157] vfs_get_tree+0x90/0x274 [ 230.120318][ T7157] do_new_mount+0x228/0x810 [ 230.121028][ T7157] path_mount+0x5b4/0x1000 [ 230.121763][ T7157] __arm64_sys_mount+0x514/0x5e4 [ 230.122535][ T7157] invoke_syscall+0x98/0x2b8 [ 230.123276][ T7157] el0_svc_common+0x138/0x258 [ 230.123958][ T7157] do_el0_svc+0x58/0x14c [ 230.124622][ T7157] el0_svc+0x78/0x1e0 [ 230.125277][ T7157] el0t_64_sync_handler+0xcc/0xe4 [ 230.125981][ T7157] el0t_64_sync+0x1a0/0x1a4 [ 230.128247][ T7157] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 230.130801][ T7157] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 230.256237][ T7160] loop1: detected capacity change from 0 to 32768 [ 230.303872][ T7160] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 230.305491][ T7160] CPU: 0 PID: 7160 Comm: syz.1.678 Not tainted syzkaller #0 [ 230.306544][ T7160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.308166][ T7160] Call trace: [ 230.308663][ T7160] dump_backtrace+0x0/0x43c [ 230.309337][ T7160] show_stack+0x2c/0x3c [ 230.310002][ T7160] __dump_stack+0x30/0x40 [ 230.310711][ T7160] dump_stack_lvl+0xf8/0x160 [ 230.311425][ T7160] dump_stack+0x1c/0x5c [ 230.312114][ T7160] sysfs_create_dir_ns+0x22c/0x24c [ 230.312939][ T7160] kobject_add_internal+0x590/0xc54 [ 230.313762][ T7160] kobject_init_and_add+0x118/0x17c [ 230.314586][ T7160] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.315317][ T7160] gfs2_fill_super+0xdac/0x19e0 [ 230.316038][ T7160] get_tree_bdev+0x358/0x544 [ 230.316763][ T7160] gfs2_get_tree+0x54/0x1b4 [ 230.317503][ T7160] vfs_get_tree+0x90/0x274 [ 230.318217][ T7160] do_new_mount+0x228/0x810 [ 230.318929][ T7160] path_mount+0x5b4/0x1000 [ 230.319638][ T7160] __arm64_sys_mount+0x514/0x5e4 [ 230.320358][ T7160] invoke_syscall+0x98/0x2b8 [ 230.321087][ T7160] el0_svc_common+0x138/0x258 [ 230.321823][ T7160] do_el0_svc+0x58/0x14c [ 230.322505][ T7160] el0_svc+0x78/0x1e0 [ 230.323130][ T7160] el0t_64_sync_handler+0xcc/0xe4 [ 230.323866][ T7160] el0t_64_sync+0x1a0/0x1a4 [ 230.326085][ T7160] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 230.328479][ T7160] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 230.470272][ T7163] loop1: detected capacity change from 0 to 32768 [ 230.530746][ T7163] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 230.532273][ T7163] CPU: 1 PID: 7163 Comm: syz.1.679 Not tainted syzkaller #0 [ 230.533236][ T7163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.534615][ T7163] Call trace: [ 230.535107][ T7163] dump_backtrace+0x0/0x43c [ 230.535852][ T7163] show_stack+0x2c/0x3c [ 230.536535][ T7163] __dump_stack+0x30/0x40 [ 230.537250][ T7163] dump_stack_lvl+0xf8/0x160 [ 230.537955][ T7163] dump_stack+0x1c/0x5c [ 230.538642][ T7163] sysfs_create_dir_ns+0x22c/0x24c [ 230.539429][ T7163] kobject_add_internal+0x590/0xc54 [ 230.540164][ T7163] kobject_init_and_add+0x118/0x17c [ 230.540955][ T7163] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.541664][ T7163] gfs2_fill_super+0xdac/0x19e0 [ 230.542437][ T7163] get_tree_bdev+0x358/0x544 [ 230.543126][ T7163] gfs2_get_tree+0x54/0x1b4 [ 230.543828][ T7163] vfs_get_tree+0x90/0x274 [ 230.544515][ T7163] do_new_mount+0x228/0x810 [ 230.545231][ T7163] path_mount+0x5b4/0x1000 [ 230.545876][ T7163] __arm64_sys_mount+0x514/0x5e4 [ 230.546636][ T7163] invoke_syscall+0x98/0x2b8 [ 230.547363][ T7163] el0_svc_common+0x138/0x258 [ 230.548071][ T7163] do_el0_svc+0x58/0x14c [ 230.548669][ T7163] el0_svc+0x78/0x1e0 [ 230.549319][ T7163] el0t_64_sync_handler+0xcc/0xe4 [ 230.550012][ T7163] el0t_64_sync+0x1a0/0x1a4 [ 230.550835][ T7163] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 230.553394][ T7163] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 230.693790][ T7166] loop1: detected capacity change from 0 to 32768 [ 230.698704][ T7166] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 230.700747][ T7166] CPU: 1 PID: 7166 Comm: syz.1.680 Not tainted syzkaller #0 [ 230.701832][ T7166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.703412][ T7166] Call trace: [ 230.703929][ T7166] dump_backtrace+0x0/0x43c [ 230.704642][ T7166] show_stack+0x2c/0x3c [ 230.705279][ T7166] __dump_stack+0x30/0x40 [ 230.705941][ T7166] dump_stack_lvl+0xf8/0x160 [ 230.706609][ T7166] dump_stack+0x1c/0x5c [ 230.707184][ T7166] sysfs_create_dir_ns+0x22c/0x24c [ 230.707934][ T7166] kobject_add_internal+0x590/0xc54 [ 230.708721][ T7166] kobject_init_and_add+0x118/0x17c [ 230.709535][ T7166] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.710296][ T7166] gfs2_fill_super+0xdac/0x19e0 [ 230.711092][ T7166] get_tree_bdev+0x358/0x544 [ 230.711772][ T7166] gfs2_get_tree+0x54/0x1b4 [ 230.712420][ T7166] vfs_get_tree+0x90/0x274 [ 230.713096][ T7166] do_new_mount+0x228/0x810 [ 230.713779][ T7166] path_mount+0x5b4/0x1000 [ 230.714397][ T7166] __arm64_sys_mount+0x514/0x5e4 [ 230.715212][ T7166] invoke_syscall+0x98/0x2b8 [ 230.715956][ T7166] el0_svc_common+0x138/0x258 [ 230.716706][ T7166] do_el0_svc+0x58/0x14c [ 230.717382][ T7166] el0_svc+0x78/0x1e0 [ 230.718010][ T7166] el0t_64_sync_handler+0xcc/0xe4 [ 230.718897][ T7166] el0t_64_sync+0x1a0/0x1a4 [ 230.722208][ T7166] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 230.724562][ T7166] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 230.888539][ T7169] loop1: detected capacity change from 0 to 32768 [ 230.930381][ T7169] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 230.932175][ T7169] CPU: 0 PID: 7169 Comm: syz.1.681 Not tainted syzkaller #0 [ 230.933252][ T7169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.934857][ T7169] Call trace: [ 230.935319][ T7169] dump_backtrace+0x0/0x43c [ 230.935977][ T7169] show_stack+0x2c/0x3c [ 230.936625][ T7169] __dump_stack+0x30/0x40 [ 230.937310][ T7169] dump_stack_lvl+0xf8/0x160 [ 230.938040][ T7169] dump_stack+0x1c/0x5c [ 230.938691][ T7169] sysfs_create_dir_ns+0x22c/0x24c [ 230.939513][ T7169] kobject_add_internal+0x590/0xc54 [ 230.940342][ T7169] kobject_init_and_add+0x118/0x17c [ 230.941078][ T7169] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.941785][ T7169] gfs2_fill_super+0xdac/0x19e0 [ 230.942420][ T7169] get_tree_bdev+0x358/0x544 [ 230.943111][ T7169] gfs2_get_tree+0x54/0x1b4 [ 230.943824][ T7169] vfs_get_tree+0x90/0x274 [ 230.944534][ T7169] do_new_mount+0x228/0x810 [ 230.945247][ T7169] path_mount+0x5b4/0x1000 [ 230.945905][ T7169] __arm64_sys_mount+0x514/0x5e4 [ 230.946659][ T7169] invoke_syscall+0x98/0x2b8 [ 230.947389][ T7169] el0_svc_common+0x138/0x258 [ 230.948104][ T7169] do_el0_svc+0x58/0x14c [ 230.948799][ T7169] el0_svc+0x78/0x1e0 [ 230.949458][ T7169] el0t_64_sync_handler+0xcc/0xe4 [ 230.950232][ T7169] el0t_64_sync+0x1a0/0x1a4 [ 230.951209][ T7169] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 230.953586][ T7169] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 231.093810][ T7172] loop1: detected capacity change from 0 to 32768 [ 231.098102][ T7172] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 231.099876][ T7172] CPU: 0 PID: 7172 Comm: syz.1.682 Not tainted syzkaller #0 [ 231.101037][ T7172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.102632][ T7172] Call trace: [ 231.103111][ T7172] dump_backtrace+0x0/0x43c [ 231.103738][ T7172] show_stack+0x2c/0x3c [ 231.104379][ T7172] __dump_stack+0x30/0x40 [ 231.105080][ T7172] dump_stack_lvl+0xf8/0x160 [ 231.105828][ T7172] dump_stack+0x1c/0x5c [ 231.106486][ T7172] sysfs_create_dir_ns+0x22c/0x24c [ 231.107253][ T7172] kobject_add_internal+0x590/0xc54 [ 231.108106][ T7172] kobject_init_and_add+0x118/0x17c [ 231.108909][ T7172] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.109691][ T7172] gfs2_fill_super+0xdac/0x19e0 [ 231.110455][ T7172] get_tree_bdev+0x358/0x544 [ 231.111160][ T7172] gfs2_get_tree+0x54/0x1b4 [ 231.111831][ T7172] vfs_get_tree+0x90/0x274 [ 231.112567][ T7172] do_new_mount+0x228/0x810 [ 231.113234][ T7172] path_mount+0x5b4/0x1000 [ 231.113886][ T7172] __arm64_sys_mount+0x514/0x5e4 [ 231.114637][ T7172] invoke_syscall+0x98/0x2b8 [ 231.115390][ T7172] el0_svc_common+0x138/0x258 [ 231.116164][ T7172] do_el0_svc+0x58/0x14c [ 231.116792][ T7172] el0_svc+0x78/0x1e0 [ 231.117382][ T7172] el0t_64_sync_handler+0xcc/0xe4 [ 231.118074][ T7172] el0t_64_sync+0x1a0/0x1a4 [ 231.118859][ T7172] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 231.121410][ T7172] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 231.247099][ T7175] loop1: detected capacity change from 0 to 32768 [ 231.290242][ T7175] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 231.291923][ T7175] CPU: 1 PID: 7175 Comm: syz.1.683 Not tainted syzkaller #0 [ 231.293030][ T7175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.294537][ T7175] Call trace: [ 231.295033][ T7175] dump_backtrace+0x0/0x43c [ 231.295702][ T7175] show_stack+0x2c/0x3c [ 231.296297][ T7175] __dump_stack+0x30/0x40 [ 231.296892][ T7175] dump_stack_lvl+0xf8/0x160 [ 231.297561][ T7175] dump_stack+0x1c/0x5c [ 231.298193][ T7175] sysfs_create_dir_ns+0x22c/0x24c [ 231.298871][ T7175] kobject_add_internal+0x590/0xc54 [ 231.299610][ T7175] kobject_init_and_add+0x118/0x17c [ 231.300413][ T7175] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.301105][ T7175] gfs2_fill_super+0xdac/0x19e0 [ 231.301855][ T7175] get_tree_bdev+0x358/0x544 [ 231.302534][ T7175] gfs2_get_tree+0x54/0x1b4 [ 231.303247][ T7175] vfs_get_tree+0x90/0x274 [ 231.303961][ T7175] do_new_mount+0x228/0x810 [ 231.304672][ T7175] path_mount+0x5b4/0x1000 [ 231.305301][ T7175] __arm64_sys_mount+0x514/0x5e4 [ 231.306029][ T7175] invoke_syscall+0x98/0x2b8 [ 231.306724][ T7175] el0_svc_common+0x138/0x258 [ 231.307415][ T7175] do_el0_svc+0x58/0x14c [ 231.307993][ T7175] el0_svc+0x78/0x1e0 [ 231.308564][ T7175] el0t_64_sync_handler+0xcc/0xe4 [ 231.309288][ T7175] el0t_64_sync+0x1a0/0x1a4 [ 231.310872][ T7175] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 231.313379][ T7175] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 231.439225][ T7178] loop1: detected capacity change from 0 to 32768 [ 231.490260][ T7178] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 231.491824][ T7178] CPU: 1 PID: 7178 Comm: syz.1.684 Not tainted syzkaller #0 [ 231.492883][ T7178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.494417][ T7178] Call trace: [ 231.494854][ T7178] dump_backtrace+0x0/0x43c [ 231.495559][ T7178] show_stack+0x2c/0x3c [ 231.496217][ T7178] __dump_stack+0x30/0x40 [ 231.496916][ T7178] dump_stack_lvl+0xf8/0x160 [ 231.497653][ T7178] dump_stack+0x1c/0x5c [ 231.498333][ T7178] sysfs_create_dir_ns+0x22c/0x24c [ 231.499189][ T7178] kobject_add_internal+0x590/0xc54 [ 231.500005][ T7178] kobject_init_and_add+0x118/0x17c [ 231.500822][ T7178] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.501579][ T7178] gfs2_fill_super+0xdac/0x19e0 [ 231.502363][ T7178] get_tree_bdev+0x358/0x544 [ 231.503112][ T7178] gfs2_get_tree+0x54/0x1b4 [ 231.503867][ T7178] vfs_get_tree+0x90/0x274 [ 231.504546][ T7178] do_new_mount+0x228/0x810 [ 231.505211][ T7178] path_mount+0x5b4/0x1000 [ 231.505878][ T7178] __arm64_sys_mount+0x514/0x5e4 [ 231.506565][ T7178] invoke_syscall+0x98/0x2b8 [ 231.507282][ T7178] el0_svc_common+0x138/0x258 [ 231.507964][ T7178] do_el0_svc+0x58/0x14c [ 231.508613][ T7178] el0_svc+0x78/0x1e0 [ 231.509245][ T7178] el0t_64_sync_handler+0xcc/0xe4 [ 231.509939][ T7178] el0t_64_sync+0x1a0/0x1a4 [ 231.510732][ T7178] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 231.512920][ T7178] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 231.639548][ T7181] loop1: detected capacity change from 0 to 32768 [ 231.692998][ T7181] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 231.694614][ T7181] CPU: 1 PID: 7181 Comm: syz.1.685 Not tainted syzkaller #0 [ 231.695816][ T7181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.697360][ T7181] Call trace: [ 231.697877][ T7181] dump_backtrace+0x0/0x43c [ 231.698646][ T7181] show_stack+0x2c/0x3c [ 231.699270][ T7181] __dump_stack+0x30/0x40 [ 231.699998][ T7181] dump_stack_lvl+0xf8/0x160 [ 231.700730][ T7181] dump_stack+0x1c/0x5c [ 231.701359][ T7181] sysfs_create_dir_ns+0x22c/0x24c [ 231.702078][ T7181] kobject_add_internal+0x590/0xc54 [ 231.702904][ T7181] kobject_init_and_add+0x118/0x17c [ 231.703743][ T7181] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.704511][ T7181] gfs2_fill_super+0xdac/0x19e0 [ 231.705260][ T7181] get_tree_bdev+0x358/0x544 [ 231.706025][ T7181] gfs2_get_tree+0x54/0x1b4 [ 231.706680][ T7181] vfs_get_tree+0x90/0x274 [ 231.707420][ T7181] do_new_mount+0x228/0x810 [ 231.708155][ T7181] path_mount+0x5b4/0x1000 [ 231.708826][ T7181] __arm64_sys_mount+0x514/0x5e4 [ 231.709608][ T7181] invoke_syscall+0x98/0x2b8 [ 231.710343][ T7181] el0_svc_common+0x138/0x258 [ 231.711051][ T7181] do_el0_svc+0x58/0x14c [ 231.711731][ T7181] el0_svc+0x78/0x1e0 [ 231.712392][ T7181] el0t_64_sync_handler+0xcc/0xe4 [ 231.713171][ T7181] el0t_64_sync+0x1a0/0x1a4 [ 231.714088][ T7181] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 231.716491][ T7181] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 231.857180][ T7184] loop1: detected capacity change from 0 to 32768 [ 231.890263][ T7184] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 231.891827][ T7184] CPU: 1 PID: 7184 Comm: syz.1.686 Not tainted syzkaller #0 [ 231.892911][ T7184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.894489][ T7184] Call trace: [ 231.895033][ T7184] dump_backtrace+0x0/0x43c [ 231.895725][ T7184] show_stack+0x2c/0x3c [ 231.896389][ T7184] __dump_stack+0x30/0x40 [ 231.897058][ T7184] dump_stack_lvl+0xf8/0x160 [ 231.897794][ T7184] dump_stack+0x1c/0x5c [ 231.898444][ T7184] sysfs_create_dir_ns+0x22c/0x24c [ 231.899314][ T7184] kobject_add_internal+0x590/0xc54 [ 231.900146][ T7184] kobject_init_and_add+0x118/0x17c [ 231.900937][ T7184] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.901647][ T7184] gfs2_fill_super+0xdac/0x19e0 [ 231.902470][ T7184] get_tree_bdev+0x358/0x544 [ 231.903238][ T7184] gfs2_get_tree+0x54/0x1b4 [ 231.903932][ T7184] vfs_get_tree+0x90/0x274 [ 231.904675][ T7184] do_new_mount+0x228/0x810 [ 231.905367][ T7184] path_mount+0x5b4/0x1000 [ 231.906055][ T7184] __arm64_sys_mount+0x514/0x5e4 [ 231.906787][ T7184] invoke_syscall+0x98/0x2b8 [ 231.907453][ T7184] el0_svc_common+0x138/0x258 [ 231.908118][ T7184] do_el0_svc+0x58/0x14c [ 231.908764][ T7184] el0_svc+0x78/0x1e0 [ 231.909349][ T7184] el0t_64_sync_handler+0xcc/0xe4 [ 231.910140][ T7184] el0t_64_sync+0x1a0/0x1a4 [ 231.911276][ T7184] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 231.913802][ T7184] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 232.043395][ T7187] loop1: detected capacity change from 0 to 32768 [ 232.050897][ T7187] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 232.052570][ T7187] CPU: 0 PID: 7187 Comm: syz.1.687 Not tainted syzkaller #0 [ 232.053759][ T7187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.055247][ T7187] Call trace: [ 232.055749][ T7187] dump_backtrace+0x0/0x43c [ 232.056461][ T7187] show_stack+0x2c/0x3c [ 232.057081][ T7187] __dump_stack+0x30/0x40 [ 232.057765][ T7187] dump_stack_lvl+0xf8/0x160 [ 232.058428][ T7187] dump_stack+0x1c/0x5c [ 232.059042][ T7187] sysfs_create_dir_ns+0x22c/0x24c [ 232.059771][ T7187] kobject_add_internal+0x590/0xc54 [ 232.060503][ T7187] kobject_init_and_add+0x118/0x17c [ 232.061359][ T7187] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.062135][ T7187] gfs2_fill_super+0xdac/0x19e0 [ 232.062905][ T7187] get_tree_bdev+0x358/0x544 [ 232.063633][ T7187] gfs2_get_tree+0x54/0x1b4 [ 232.064322][ T7187] vfs_get_tree+0x90/0x274 [ 232.064998][ T7187] do_new_mount+0x228/0x810 [ 232.065666][ T7187] path_mount+0x5b4/0x1000 [ 232.066367][ T7187] __arm64_sys_mount+0x514/0x5e4 [ 232.067154][ T7187] invoke_syscall+0x98/0x2b8 [ 232.067884][ T7187] el0_svc_common+0x138/0x258 [ 232.068603][ T7187] do_el0_svc+0x58/0x14c [ 232.069299][ T7187] el0_svc+0x78/0x1e0 [ 232.069952][ T7187] el0t_64_sync_handler+0xcc/0xe4 [ 232.070697][ T7187] el0t_64_sync+0x1a0/0x1a4 [ 232.074269][ T7187] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 232.076715][ T7187] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 232.202572][ T7190] loop1: detected capacity change from 0 to 32768 [ 232.294261][ T7190] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 232.295911][ T7190] CPU: 1 PID: 7190 Comm: syz.1.688 Not tainted syzkaller #0 [ 232.297011][ T7190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.298679][ T7190] Call trace: [ 232.299257][ T7190] dump_backtrace+0x0/0x43c [ 232.299902][ T7190] show_stack+0x2c/0x3c [ 232.300535][ T7190] __dump_stack+0x30/0x40 [ 232.301259][ T7190] dump_stack_lvl+0xf8/0x160 [ 232.301983][ T7190] dump_stack+0x1c/0x5c [ 232.302683][ T7190] sysfs_create_dir_ns+0x22c/0x24c [ 232.303428][ T7190] kobject_add_internal+0x590/0xc54 [ 232.304293][ T7190] kobject_init_and_add+0x118/0x17c [ 232.305092][ T7190] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.305859][ T7190] gfs2_fill_super+0xdac/0x19e0 [ 232.306654][ T7190] get_tree_bdev+0x358/0x544 [ 232.307387][ T7190] gfs2_get_tree+0x54/0x1b4 [ 232.308142][ T7190] vfs_get_tree+0x90/0x274 [ 232.308869][ T7190] do_new_mount+0x228/0x810 [ 232.309555][ T7190] path_mount+0x5b4/0x1000 [ 232.310193][ T7190] __arm64_sys_mount+0x514/0x5e4 [ 232.310944][ T7190] invoke_syscall+0x98/0x2b8 [ 232.311652][ T7190] el0_svc_common+0x138/0x258 [ 232.312396][ T7190] do_el0_svc+0x58/0x14c [ 232.313088][ T7190] el0_svc+0x78/0x1e0 [ 232.313710][ T7190] el0t_64_sync_handler+0xcc/0xe4 [ 232.314466][ T7190] el0t_64_sync+0x1a0/0x1a4 [ 232.315288][ T7190] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 232.317653][ T7190] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 232.444720][ T7193] loop1: detected capacity change from 0 to 32768 [ 232.533910][ T7193] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 232.535552][ T7193] CPU: 1 PID: 7193 Comm: syz.1.689 Not tainted syzkaller #0 [ 232.536588][ T7193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.538028][ T7193] Call trace: [ 232.538491][ T7193] dump_backtrace+0x0/0x43c [ 232.539171][ T7193] show_stack+0x2c/0x3c [ 232.539751][ T7193] __dump_stack+0x30/0x40 [ 232.540377][ T7193] dump_stack_lvl+0xf8/0x160 [ 232.541083][ T7193] dump_stack+0x1c/0x5c [ 232.541662][ T7193] sysfs_create_dir_ns+0x22c/0x24c [ 232.542426][ T7193] kobject_add_internal+0x590/0xc54 [ 232.543217][ T7193] kobject_init_and_add+0x118/0x17c [ 232.544053][ T7193] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.544775][ T7193] gfs2_fill_super+0xdac/0x19e0 [ 232.545496][ T7193] get_tree_bdev+0x358/0x544 [ 232.546190][ T7193] gfs2_get_tree+0x54/0x1b4 [ 232.546892][ T7193] vfs_get_tree+0x90/0x274 [ 232.547567][ T7193] do_new_mount+0x228/0x810 [ 232.548253][ T7193] path_mount+0x5b4/0x1000 [ 232.548879][ T7193] __arm64_sys_mount+0x514/0x5e4 [ 232.549561][ T7193] invoke_syscall+0x98/0x2b8 [ 232.550201][ T7193] el0_svc_common+0x138/0x258 [ 232.550912][ T7193] do_el0_svc+0x58/0x14c [ 232.551569][ T7193] el0_svc+0x78/0x1e0 [ 232.552145][ T7193] el0t_64_sync_handler+0xcc/0xe4 [ 232.552936][ T7193] el0t_64_sync+0x1a0/0x1a4 [ 232.553814][ T7193] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 232.556080][ T7193] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 232.687126][ T7196] loop1: detected capacity change from 0 to 32768 [ 232.694663][ T7196] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 232.696369][ T7196] CPU: 0 PID: 7196 Comm: syz.1.690 Not tainted syzkaller #0 [ 232.697429][ T7196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.698813][ T7196] Call trace: [ 232.699316][ T7196] dump_backtrace+0x0/0x43c [ 232.699994][ T7196] show_stack+0x2c/0x3c [ 232.700668][ T7196] __dump_stack+0x30/0x40 [ 232.701367][ T7196] dump_stack_lvl+0xf8/0x160 [ 232.702060][ T7196] dump_stack+0x1c/0x5c [ 232.702716][ T7196] sysfs_create_dir_ns+0x22c/0x24c [ 232.703489][ T7196] kobject_add_internal+0x590/0xc54 [ 232.704273][ T7196] kobject_init_and_add+0x118/0x17c [ 232.705101][ T7196] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.705849][ T7196] gfs2_fill_super+0xdac/0x19e0 [ 232.706550][ T7196] get_tree_bdev+0x358/0x544 [ 232.707274][ T7196] gfs2_get_tree+0x54/0x1b4 [ 232.707921][ T7196] vfs_get_tree+0x90/0x274 [ 232.708578][ T7196] do_new_mount+0x228/0x810 [ 232.709203][ T7196] path_mount+0x5b4/0x1000 [ 232.709809][ T7196] __arm64_sys_mount+0x514/0x5e4 [ 232.710474][ T7196] invoke_syscall+0x98/0x2b8 [ 232.711178][ T7196] el0_svc_common+0x138/0x258 [ 232.711933][ T7196] do_el0_svc+0x58/0x14c [ 232.712556][ T7196] el0_svc+0x78/0x1e0 [ 232.713124][ T7196] el0t_64_sync_handler+0xcc/0xe4 [ 232.713891][ T7196] el0t_64_sync+0x1a0/0x1a4 [ 232.715855][ T7196] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 232.718287][ T7196] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 232.846674][ T7199] loop1: detected capacity change from 0 to 32768 [ 232.854747][ T7199] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 232.856419][ T7199] CPU: 1 PID: 7199 Comm: syz.1.691 Not tainted syzkaller #0 [ 232.857533][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.859061][ T7199] Call trace: [ 232.859528][ T7199] dump_backtrace+0x0/0x43c [ 232.860266][ T7199] show_stack+0x2c/0x3c [ 232.860836][ T7199] __dump_stack+0x30/0x40 [ 232.861466][ T7199] dump_stack_lvl+0xf8/0x160 [ 232.862203][ T7199] dump_stack+0x1c/0x5c [ 232.862862][ T7199] sysfs_create_dir_ns+0x22c/0x24c [ 232.863659][ T7199] kobject_add_internal+0x590/0xc54 [ 232.864441][ T7199] kobject_init_and_add+0x118/0x17c [ 232.865295][ T7199] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.865992][ T7199] gfs2_fill_super+0xdac/0x19e0 [ 232.866665][ T7199] get_tree_bdev+0x358/0x544 [ 232.867300][ T7199] gfs2_get_tree+0x54/0x1b4 [ 232.867944][ T7199] vfs_get_tree+0x90/0x274 [ 232.868691][ T7199] do_new_mount+0x228/0x810 [ 232.869356][ T7199] path_mount+0x5b4/0x1000 [ 232.869970][ T7199] __arm64_sys_mount+0x514/0x5e4 [ 232.870753][ T7199] invoke_syscall+0x98/0x2b8 [ 232.871430][ T7199] el0_svc_common+0x138/0x258 [ 232.872240][ T7199] do_el0_svc+0x58/0x14c [ 232.872841][ T7199] el0_svc+0x78/0x1e0 [ 232.873400][ T7199] el0t_64_sync_handler+0xcc/0xe4 [ 232.874101][ T7199] el0t_64_sync+0x1a0/0x1a4 [ 232.876034][ T7199] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 232.878581][ T7199] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 233.006511][ T7202] loop1: detected capacity change from 0 to 32768 [ 233.050153][ T7202] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 233.051809][ T7202] CPU: 1 PID: 7202 Comm: syz.1.692 Not tainted syzkaller #0 [ 233.052976][ T7202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.054542][ T7202] Call trace: [ 233.055054][ T7202] dump_backtrace+0x0/0x43c [ 233.055762][ T7202] show_stack+0x2c/0x3c [ 233.056389][ T7202] __dump_stack+0x30/0x40 [ 233.057053][ T7202] dump_stack_lvl+0xf8/0x160 [ 233.057775][ T7202] dump_stack+0x1c/0x5c [ 233.058435][ T7202] sysfs_create_dir_ns+0x22c/0x24c [ 233.059247][ T7202] kobject_add_internal+0x590/0xc54 [ 233.060065][ T7202] kobject_init_and_add+0x118/0x17c [ 233.060920][ T7202] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.061743][ T7202] gfs2_fill_super+0xdac/0x19e0 [ 233.062476][ T7202] get_tree_bdev+0x358/0x544 [ 233.063260][ T7202] gfs2_get_tree+0x54/0x1b4 [ 233.063967][ T7202] vfs_get_tree+0x90/0x274 [ 233.064666][ T7202] do_new_mount+0x228/0x810 [ 233.065365][ T7202] path_mount+0x5b4/0x1000 [ 233.066069][ T7202] __arm64_sys_mount+0x514/0x5e4 [ 233.066909][ T7202] invoke_syscall+0x98/0x2b8 [ 233.067667][ T7202] el0_svc_common+0x138/0x258 [ 233.068442][ T7202] do_el0_svc+0x58/0x14c [ 233.069153][ T7202] el0_svc+0x78/0x1e0 [ 233.069814][ T7202] el0t_64_sync_handler+0xcc/0xe4 [ 233.070584][ T7202] el0t_64_sync+0x1a0/0x1a4 [ 233.071635][ T7202] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 233.074020][ T7202] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 233.314781][ T7205] loop1: detected capacity change from 0 to 32768 [ 233.365625][ T7205] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 233.367316][ T7205] CPU: 0 PID: 7205 Comm: syz.1.693 Not tainted syzkaller #0 [ 233.368362][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.369773][ T7205] Call trace: [ 233.370222][ T7205] dump_backtrace+0x0/0x43c [ 233.370865][ T7205] show_stack+0x2c/0x3c [ 233.371448][ T7205] __dump_stack+0x30/0x40 [ 233.372046][ T7205] dump_stack_lvl+0xf8/0x160 [ 233.372687][ T7205] dump_stack+0x1c/0x5c [ 233.373256][ T7205] sysfs_create_dir_ns+0x22c/0x24c [ 233.373957][ T7205] kobject_add_internal+0x590/0xc54 [ 233.374675][ T7205] kobject_init_and_add+0x118/0x17c [ 233.375406][ T7205] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.376039][ T7205] gfs2_fill_super+0xdac/0x19e0 [ 233.376701][ T7205] get_tree_bdev+0x358/0x544 [ 233.377322][ T7205] gfs2_get_tree+0x54/0x1b4 [ 233.377952][ T7205] vfs_get_tree+0x90/0x274 [ 233.378526][ T7205] do_new_mount+0x228/0x810 [ 233.379154][ T7205] path_mount+0x5b4/0x1000 [ 233.379737][ T7205] __arm64_sys_mount+0x514/0x5e4 [ 233.380398][ T7205] invoke_syscall+0x98/0x2b8 [ 233.381057][ T7205] el0_svc_common+0x138/0x258 [ 233.381787][ T7205] do_el0_svc+0x58/0x14c [ 233.382468][ T7205] el0_svc+0x78/0x1e0 [ 233.383024][ T7205] el0t_64_sync_handler+0xcc/0xe4 [ 233.383722][ T7205] el0t_64_sync+0x1a0/0x1a4 [ 233.385113][ T7205] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 233.387357][ T7205] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 233.513442][ T7208] loop1: detected capacity change from 0 to 32768 [ 233.563048][ T7208] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 233.564586][ T7208] CPU: 0 PID: 7208 Comm: syz.1.694 Not tainted syzkaller #0 [ 233.565644][ T7208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.567132][ T7208] Call trace: [ 233.567659][ T7208] dump_backtrace+0x0/0x43c [ 233.568369][ T7208] show_stack+0x2c/0x3c [ 233.568985][ T7208] __dump_stack+0x30/0x40 [ 233.569677][ T7208] dump_stack_lvl+0xf8/0x160 [ 233.570463][ T7208] dump_stack+0x1c/0x5c [ 233.571080][ T7208] sysfs_create_dir_ns+0x22c/0x24c [ 233.571879][ T7208] kobject_add_internal+0x590/0xc54 [ 233.572582][ T7208] kobject_init_and_add+0x118/0x17c [ 233.573309][ T7208] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.573972][ T7208] gfs2_fill_super+0xdac/0x19e0 [ 233.574679][ T7208] get_tree_bdev+0x358/0x544 [ 233.575404][ T7208] gfs2_get_tree+0x54/0x1b4 [ 233.576092][ T7208] vfs_get_tree+0x90/0x274 [ 233.576765][ T7208] do_new_mount+0x228/0x810 [ 233.577466][ T7208] path_mount+0x5b4/0x1000 [ 233.578138][ T7208] __arm64_sys_mount+0x514/0x5e4 [ 233.578929][ T7208] invoke_syscall+0x98/0x2b8 [ 233.579625][ T7208] el0_svc_common+0x138/0x258 [ 233.580325][ T7208] do_el0_svc+0x58/0x14c [ 233.580986][ T7208] el0_svc+0x78/0x1e0 [ 233.581592][ T7208] el0t_64_sync_handler+0xcc/0xe4 [ 233.582325][ T7208] el0t_64_sync+0x1a0/0x1a4 [ 233.584349][ T7208] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 233.586909][ T7208] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 233.712370][ T7211] loop1: detected capacity change from 0 to 32768 [ 233.719646][ T7211] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 233.721265][ T7211] CPU: 1 PID: 7211 Comm: syz.1.695 Not tainted syzkaller #0 [ 233.722384][ T7211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.723974][ T7211] Call trace: [ 233.724474][ T7211] dump_backtrace+0x0/0x43c [ 233.725162][ T7211] show_stack+0x2c/0x3c [ 233.725812][ T7211] __dump_stack+0x30/0x40 [ 233.726460][ T7211] dump_stack_lvl+0xf8/0x160 [ 233.727147][ T7211] dump_stack+0x1c/0x5c [ 233.727795][ T7211] sysfs_create_dir_ns+0x22c/0x24c [ 233.728530][ T7211] kobject_add_internal+0x590/0xc54 [ 233.729311][ T7211] kobject_init_and_add+0x118/0x17c [ 233.730107][ T7211] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.730782][ T7211] gfs2_fill_super+0xdac/0x19e0 [ 233.731591][ T7211] get_tree_bdev+0x358/0x544 [ 233.732351][ T7211] gfs2_get_tree+0x54/0x1b4 [ 233.733041][ T7211] vfs_get_tree+0x90/0x274 [ 233.733749][ T7211] do_new_mount+0x228/0x810 [ 233.734431][ T7211] path_mount+0x5b4/0x1000 [ 233.735095][ T7211] __arm64_sys_mount+0x514/0x5e4 [ 233.735830][ T7211] invoke_syscall+0x98/0x2b8 [ 233.736531][ T7211] el0_svc_common+0x138/0x258 [ 233.737303][ T7211] do_el0_svc+0x58/0x14c [ 233.737951][ T7211] el0_svc+0x78/0x1e0 [ 233.738599][ T7211] el0t_64_sync_handler+0xcc/0xe4 [ 233.739401][ T7211] el0t_64_sync+0x1a0/0x1a4 [ 233.740222][ T7211] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 233.742723][ T7211] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 233.872969][ T7214] loop1: detected capacity change from 0 to 32768 [ 233.880631][ T7214] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 233.882355][ T7214] CPU: 0 PID: 7214 Comm: syz.1.696 Not tainted syzkaller #0 [ 233.883378][ T7214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.884862][ T7214] Call trace: [ 233.885339][ T7214] dump_backtrace+0x0/0x43c [ 233.885969][ T7214] show_stack+0x2c/0x3c [ 233.886542][ T7214] __dump_stack+0x30/0x40 [ 233.887156][ T7214] dump_stack_lvl+0xf8/0x160 [ 233.887846][ T7214] dump_stack+0x1c/0x5c [ 233.888464][ T7214] sysfs_create_dir_ns+0x22c/0x24c [ 233.889202][ T7214] kobject_add_internal+0x590/0xc54 [ 233.889938][ T7214] kobject_init_and_add+0x118/0x17c [ 233.890669][ T7214] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.891357][ T7214] gfs2_fill_super+0xdac/0x19e0 [ 233.892087][ T7214] get_tree_bdev+0x358/0x544 [ 233.892791][ T7214] gfs2_get_tree+0x54/0x1b4 [ 233.893447][ T7214] vfs_get_tree+0x90/0x274 [ 233.894075][ T7214] do_new_mount+0x228/0x810 [ 233.894747][ T7214] path_mount+0x5b4/0x1000 [ 233.895497][ T7214] __arm64_sys_mount+0x514/0x5e4 [ 233.896227][ T7214] invoke_syscall+0x98/0x2b8 [ 233.896887][ T7214] el0_svc_common+0x138/0x258 [ 233.897568][ T7214] do_el0_svc+0x58/0x14c [ 233.898172][ T7214] el0_svc+0x78/0x1e0 [ 233.898744][ T7214] el0t_64_sync_handler+0xcc/0xe4 [ 233.899468][ T7214] el0t_64_sync+0x1a0/0x1a4 [ 233.902733][ T7214] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 233.905178][ T7214] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:53 executed programs: 683 [ 234.030360][ T7217] loop1: detected capacity change from 0 to 32768 [ 234.080216][ T7217] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 234.081830][ T7217] CPU: 0 PID: 7217 Comm: syz.1.697 Not tainted syzkaller #0 [ 234.082909][ T7217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.084421][ T7217] Call trace: [ 234.084918][ T7217] dump_backtrace+0x0/0x43c [ 234.085573][ T7217] show_stack+0x2c/0x3c [ 234.086182][ T7217] __dump_stack+0x30/0x40 [ 234.086908][ T7217] dump_stack_lvl+0xf8/0x160 [ 234.087626][ T7217] dump_stack+0x1c/0x5c [ 234.088255][ T7217] sysfs_create_dir_ns+0x22c/0x24c [ 234.089135][ T7217] kobject_add_internal+0x590/0xc54 [ 234.089990][ T7217] kobject_init_and_add+0x118/0x17c [ 234.090855][ T7217] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.091617][ T7217] gfs2_fill_super+0xdac/0x19e0 [ 234.092375][ T7217] get_tree_bdev+0x358/0x544 [ 234.093059][ T7217] gfs2_get_tree+0x54/0x1b4 [ 234.093775][ T7217] vfs_get_tree+0x90/0x274 [ 234.094509][ T7217] do_new_mount+0x228/0x810 [ 234.095251][ T7217] path_mount+0x5b4/0x1000 [ 234.095949][ T7217] __arm64_sys_mount+0x514/0x5e4 [ 234.096624][ T7217] invoke_syscall+0x98/0x2b8 [ 234.097285][ T7217] el0_svc_common+0x138/0x258 [ 234.098062][ T7217] do_el0_svc+0x58/0x14c [ 234.098666][ T7217] el0_svc+0x78/0x1e0 [ 234.099194][ T7217] el0t_64_sync_handler+0xcc/0xe4 [ 234.100009][ T7217] el0t_64_sync+0x1a0/0x1a4 [ 234.101209][ T27] INFO: task syz-executor:4981 blocked for more than 143 seconds. [ 234.102369][ T27] Not tainted syzkaller #0 [ 234.103104][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.104362][ T27] task:syz-executor state:D stack: 0 pid: 4981 ppid: 1 flags:0x00000001 [ 234.105731][ T27] Call trace: [ 234.106214][ T27] __switch_to+0x2f4/0x558 [ 234.106951][ T27] __schedule+0xe08/0x1bf8 [ 234.107701][ T27] schedule+0x11c/0x1c8 [ 234.108385][ T27] bit_wait+0x1c/0xac [ 234.110623][ T7217] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 234.113192][ T7217] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 234.114967][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 234.115750][ T27] gfs2_glock_nq+0x8f8/0x141c [ 234.116444][ T27] __gfs2_lookup+0x110/0x268 [ 234.117083][ T27] gfs2_lookup+0x2c/0x3c [ 234.117697][ T27] __lookup_slow+0x24c/0x380 [ 234.118382][ T27] lookup_slow+0x5c/0x80 [ 234.119770][ T27] walk_component+0x2b0/0x3a8 [ 234.120457][ T27] path_lookupat+0x13c/0x3d0 [ 234.121215][ T27] filename_lookup+0x180/0x414 [ 234.121899][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.122618][ T27] __arm64_sys_umount+0xf4/0x178 [ 234.123355][ T27] invoke_syscall+0x98/0x2b8 [ 234.124004][ T27] el0_svc_common+0x138/0x258 [ 234.124662][ T27] do_el0_svc+0x58/0x14c [ 234.125277][ T27] el0_svc+0x78/0x1e0 [ 234.125843][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.126497][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.127170][ T27] [ 234.127170][ T27] Showing all locks held in the system: [ 234.128269][ T27] 1 lock held by khungtaskd/27: [ 234.129931][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.131386][ T27] 2 locks held by getty/3806: [ 234.132056][ T27] #0: ffff0000d4ae8098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.133563][ T27] #1: ffff80001bd4e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.135266][ T27] 1 lock held by syz-executor/4981: [ 234.136116][ T27] #0: ffff0000e62e2338 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 234.137697][ T27] 2 locks held by udevd/5195: [ 234.138485][ T27] #0: ffff0000cb710118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 234.140522][ T27] #1: ffff0000cb811468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa4/0x978 [ 234.141979][ T27] 1 lock held by syz-executor/6962: [ 234.142727][ T27] #0: ffff0000cb710118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 234.144318][ T27] [ 234.144704][ T27] ============================================= [ 234.144704][ T27] [ 234.145991][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.146985][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.148033][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.149565][ T27] Call trace: [ 234.150107][ T27] dump_backtrace+0x0/0x43c [ 234.150867][ T27] show_stack+0x2c/0x3c [ 234.151533][ T27] __dump_stack+0x30/0x40 [ 234.152247][ T27] dump_stack_lvl+0xf8/0x160 [ 234.153006][ T27] dump_stack+0x1c/0x5c [ 234.153683][ T27] panic+0x2e4/0x854 [ 234.154275][ T27] hung_task_panic+0x0/0x2c [ 234.155036][ T27] kthread+0x374/0x454 [ 234.155692][ T27] ret_from_fork+0x10/0x20 [ 234.156406][ T27] SMP: stopping secondary CPUs [ 234.157152][ T27] Kernel Offset: disabled [ 234.157825][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.158626][ T27] Memory Limit: none [ 234.465767][ T27] Rebooting in 86400 seconds..