.343603][ T6299] get_tree_bdev+0x358/0x544 [ 211.344275][ T6299] gfs2_get_tree+0x54/0x1b4 [ 211.344903][ T6299] vfs_get_tree+0x90/0x274 [ 211.345601][ T6299] do_new_mount+0x228/0x810 [ 211.346221][ T6299] path_mount+0x5bc/0x1008 [ 211.346878][ T6299] __arm64_sys_mount+0x514/0x5f0 [ 211.347562][ T6299] invoke_syscall+0x98/0x2b0 [ 211.348215][ T6299] el0_svc_common+0x138/0x258 [ 211.348880][ T6299] do_el0_svc+0x58/0x13c [ 211.349497][ T6299] el0_svc+0x78/0x1d0 [ 211.350141][ T6299] el0t_64_sync_handler+0xcc/0xe4 [ 211.350896][ T6299] el0t_64_sync+0x1a0/0x1a4 [ 211.353775][ T6299] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.355785][ T6299] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.485245][ T6301] loop1: detected capacity change from 0 to 32768 [ 211.570819][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.572017][ T6301] CPU: 0 PID: 6301 Comm: syz.1.623 Not tainted syzkaller #0 [ 211.573209][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.574833][ T6301] Call trace: [ 211.575336][ T6301] dump_backtrace+0x0/0x458 [ 211.575980][ T6301] show_stack+0x2c/0x3c [ 211.576595][ T6301] __dump_stack+0x30/0x40 [ 211.577273][ T6301] dump_stack_lvl+0xf4/0x15c [ 211.577962][ T6301] dump_stack+0x1c/0x5c [ 211.578594][ T6301] sysfs_create_dir_ns+0x244/0x264 [ 211.579352][ T6301] kobject_add_internal+0x5ac/0xc3c [ 211.580192][ T6301] kobject_init_and_add+0x124/0x190 [ 211.580985][ T6301] gfs2_sys_fs_add+0x200/0x41c [ 211.581746][ T6301] gfs2_fill_super+0xddc/0x1a18 [ 211.582494][ T6301] get_tree_bdev+0x358/0x544 [ 211.583165][ T6301] gfs2_get_tree+0x54/0x1b4 [ 211.583810][ T6301] vfs_get_tree+0x90/0x274 [ 211.584466][ T6301] do_new_mount+0x228/0x810 [ 211.585202][ T6301] path_mount+0x5bc/0x1008 [ 211.585827][ T6301] __arm64_sys_mount+0x514/0x5f0 [ 211.586580][ T6301] invoke_syscall+0x98/0x2b0 [ 211.587317][ T6301] el0_svc_common+0x138/0x258 [ 211.587977][ T6301] do_el0_svc+0x58/0x13c [ 211.588619][ T6301] el0_svc+0x78/0x1d0 [ 211.589232][ T6301] el0t_64_sync_handler+0xcc/0xe4 [ 211.589985][ T6301] el0t_64_sync+0x1a0/0x1a4 [ 211.592605][ T6301] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.594497][ T6301] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.723593][ T6303] loop1: detected capacity change from 0 to 32768 [ 211.772434][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.774238][ T6303] CPU: 0 PID: 6303 Comm: syz.1.624 Not tainted syzkaller #0 [ 211.775326][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.776916][ T6303] Call trace: [ 211.777462][ T6303] dump_backtrace+0x0/0x458 [ 211.778207][ T6303] show_stack+0x2c/0x3c [ 211.778913][ T6303] __dump_stack+0x30/0x40 [ 211.779593][ T6303] dump_stack_lvl+0xf4/0x15c [ 211.780276][ T6303] dump_stack+0x1c/0x5c [ 211.780883][ T6303] sysfs_create_dir_ns+0x244/0x264 [ 211.781680][ T6303] kobject_add_internal+0x5ac/0xc3c [ 211.782436][ T6303] kobject_init_and_add+0x124/0x190 [ 211.783199][ T6303] gfs2_sys_fs_add+0x200/0x41c [ 211.783961][ T6303] gfs2_fill_super+0xddc/0x1a18 [ 211.784680][ T6303] get_tree_bdev+0x358/0x544 [ 211.785381][ T6303] gfs2_get_tree+0x54/0x1b4 [ 211.786000][ T6303] vfs_get_tree+0x90/0x274 [ 211.786612][ T6303] do_new_mount+0x228/0x810 [ 211.787298][ T6303] path_mount+0x5bc/0x1008 [ 211.787954][ T6303] __arm64_sys_mount+0x514/0x5f0 [ 211.788699][ T6303] invoke_syscall+0x98/0x2b0 [ 211.789407][ T6303] el0_svc_common+0x138/0x258 [ 211.790079][ T6303] do_el0_svc+0x58/0x13c [ 211.790706][ T6303] el0_svc+0x78/0x1d0 [ 211.791292][ T6303] el0t_64_sync_handler+0xcc/0xe4 [ 211.792107][ T6303] el0t_64_sync+0x1a0/0x1a4 [ 211.794273][ T6303] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.796693][ T6303] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.935171][ T6305] loop1: detected capacity change from 0 to 32768 [ 211.977326][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.978510][ T6305] CPU: 0 PID: 6305 Comm: syz.1.625 Not tainted syzkaller #0 [ 211.979600][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.981174][ T6305] Call trace: [ 211.981679][ T6305] dump_backtrace+0x0/0x458 [ 211.982319][ T6305] show_stack+0x2c/0x3c [ 211.982935][ T6305] __dump_stack+0x30/0x40 [ 211.983625][ T6305] dump_stack_lvl+0xf4/0x15c [ 211.984278][ T6305] dump_stack+0x1c/0x5c [ 211.984882][ T6305] sysfs_create_dir_ns+0x244/0x264 [ 211.985610][ T6305] kobject_add_internal+0x5ac/0xc3c [ 211.986327][ T6305] kobject_init_and_add+0x124/0x190 [ 211.987081][ T6305] gfs2_sys_fs_add+0x200/0x41c [ 211.987790][ T6305] gfs2_fill_super+0xddc/0x1a18 [ 211.988532][ T6305] get_tree_bdev+0x358/0x544 [ 211.989310][ T6305] gfs2_get_tree+0x54/0x1b4 [ 211.990060][ T6305] vfs_get_tree+0x90/0x274 [ 211.990774][ T6305] do_new_mount+0x228/0x810 [ 211.991499][ T6305] path_mount+0x5bc/0x1008 [ 211.992175][ T6305] __arm64_sys_mount+0x514/0x5f0 [ 211.992923][ T6305] invoke_syscall+0x98/0x2b0 [ 211.993610][ T6305] el0_svc_common+0x138/0x258 [ 211.994321][ T6305] do_el0_svc+0x58/0x13c [ 211.995005][ T6305] el0_svc+0x78/0x1d0 [ 211.995644][ T6305] el0t_64_sync_handler+0xcc/0xe4 [ 211.996412][ T6305] el0t_64_sync+0x1a0/0x1a4 [ 211.998079][ T6305] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.000104][ T6305] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.144164][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.145433][ T6307] CPU: 0 PID: 6307 Comm: syz.1.626 Not tainted syzkaller #0 [ 212.146607][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.148128][ T6307] Call trace: [ 212.148639][ T6307] dump_backtrace+0x0/0x458 [ 212.149343][ T6307] show_stack+0x2c/0x3c [ 212.149945][ T6307] __dump_stack+0x30/0x40 [ 212.150627][ T6307] dump_stack_lvl+0xf4/0x15c [ 212.151323][ T6307] dump_stack+0x1c/0x5c [ 212.151965][ T6307] sysfs_create_dir_ns+0x244/0x264 [ 212.152713][ T6307] kobject_add_internal+0x5ac/0xc3c [ 212.153505][ T6307] kobject_init_and_add+0x124/0x190 [ 212.154300][ T6307] gfs2_sys_fs_add+0x200/0x41c [ 212.155051][ T6307] gfs2_fill_super+0xddc/0x1a18 [ 212.155829][ T6307] get_tree_bdev+0x358/0x544 [ 212.156538][ T6307] gfs2_get_tree+0x54/0x1b4 [ 212.157230][ T6307] vfs_get_tree+0x90/0x274 [ 212.157875][ T6307] do_new_mount+0x228/0x810 [ 212.158569][ T6307] path_mount+0x5bc/0x1008 [ 212.159197][ T6307] __arm64_sys_mount+0x514/0x5f0 [ 212.159981][ T6307] invoke_syscall+0x98/0x2b0 [ 212.160633][ T6307] el0_svc_common+0x138/0x258 [ 212.161304][ T6307] do_el0_svc+0x58/0x13c [ 212.161914][ T6307] el0_svc+0x78/0x1d0 [ 212.162485][ T6307] el0t_64_sync_handler+0xcc/0xe4 [ 212.163259][ T6307] el0t_64_sync+0x1a0/0x1a4 [ 212.168734][ T6307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.170684][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.315428][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.317056][ T6309] CPU: 1 PID: 6309 Comm: syz.1.627 Not tainted syzkaller #0 [ 212.318092][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.319550][ T6309] Call trace: [ 212.319994][ T6309] dump_backtrace+0x0/0x458 [ 212.320727][ T6309] show_stack+0x2c/0x3c [ 212.321351][ T6309] __dump_stack+0x30/0x40 [ 212.322034][ T6309] dump_stack_lvl+0xf4/0x15c [ 212.322712][ T6309] dump_stack+0x1c/0x5c [ 212.323359][ T6309] sysfs_create_dir_ns+0x244/0x264 [ 212.324067][ T6309] kobject_add_internal+0x5ac/0xc3c [ 212.324804][ T6309] kobject_init_and_add+0x124/0x190 [ 212.325529][ T6309] gfs2_sys_fs_add+0x200/0x41c [ 212.326231][ T6309] gfs2_fill_super+0xddc/0x1a18 [ 212.326951][ T6309] get_tree_bdev+0x358/0x544 [ 212.327633][ T6309] gfs2_get_tree+0x54/0x1b4 [ 212.328321][ T6309] vfs_get_tree+0x90/0x274 [ 212.328955][ T6309] do_new_mount+0x228/0x810 [ 212.329568][ T6309] path_mount+0x5bc/0x1008 [ 212.330215][ T6309] __arm64_sys_mount+0x514/0x5f0 [ 212.330922][ T6309] invoke_syscall+0x98/0x2b0 [ 212.331587][ T6309] el0_svc_common+0x138/0x258 [ 212.332298][ T6309] do_el0_svc+0x58/0x13c [ 212.332892][ T6309] el0_svc+0x78/0x1d0 [ 212.333507][ T6309] el0t_64_sync_handler+0xcc/0xe4 [ 212.334237][ T6309] el0t_64_sync+0x1a0/0x1a4 [ 212.335938][ T6309] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.338819][ T6309] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.630409][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.631578][ T6311] CPU: 0 PID: 6311 Comm: syz.1.628 Not tainted syzkaller #0 [ 212.632772][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.634289][ T6311] Call trace: [ 212.634744][ T6311] dump_backtrace+0x0/0x458 [ 212.635471][ T6311] show_stack+0x2c/0x3c [ 212.636136][ T6311] __dump_stack+0x30/0x40 [ 212.636807][ T6311] dump_stack_lvl+0xf4/0x15c [ 212.637514][ T6311] dump_stack+0x1c/0x5c [ 212.638167][ T6311] sysfs_create_dir_ns+0x244/0x264 [ 212.638971][ T6311] kobject_add_internal+0x5ac/0xc3c [ 212.639736][ T6311] kobject_init_and_add+0x124/0x190 [ 212.640534][ T6311] gfs2_sys_fs_add+0x200/0x41c [ 212.641279][ T6311] gfs2_fill_super+0xddc/0x1a18 [ 212.642018][ T6311] get_tree_bdev+0x358/0x544 [ 212.642656][ T6311] gfs2_get_tree+0x54/0x1b4 [ 212.643326][ T6311] vfs_get_tree+0x90/0x274 [ 212.644047][ T6311] do_new_mount+0x228/0x810 [ 212.644692][ T6311] path_mount+0x5bc/0x1008 [ 212.645333][ T6311] __arm64_sys_mount+0x514/0x5f0 [ 212.646080][ T6311] invoke_syscall+0x98/0x2b0 [ 212.646808][ T6311] el0_svc_common+0x138/0x258 [ 212.647497][ T6311] do_el0_svc+0x58/0x13c [ 212.648181][ T6311] el0_svc+0x78/0x1d0 [ 212.648788][ T6311] el0t_64_sync_handler+0xcc/0xe4 [ 212.649530][ T6311] el0t_64_sync+0x1a0/0x1a4 [ 212.665246][ T6311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.667827][ T6311] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.716229][ T4158] Bluetooth: hci2: command 0x041b tx timeout [ 212.977247][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.978613][ T6313] CPU: 1 PID: 6313 Comm: syz.1.629 Not tainted syzkaller #0 [ 212.979811][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.981334][ T6313] Call trace: [ 212.981827][ T6313] dump_backtrace+0x0/0x458 [ 212.982505][ T6313] show_stack+0x2c/0x3c [ 212.983121][ T6313] __dump_stack+0x30/0x40 [ 212.983717][ T6313] dump_stack_lvl+0xf4/0x15c [ 212.984392][ T6313] dump_stack+0x1c/0x5c [ 212.984969][ T6313] sysfs_create_dir_ns+0x244/0x264 [ 212.985704][ T6313] kobject_add_internal+0x5ac/0xc3c [ 212.986485][ T6313] kobject_init_and_add+0x124/0x190 [ 212.987257][ T6313] gfs2_sys_fs_add+0x200/0x41c [ 212.987963][ T6313] gfs2_fill_super+0xddc/0x1a18 [ 212.988631][ T6313] get_tree_bdev+0x358/0x544 [ 212.989300][ T6313] gfs2_get_tree+0x54/0x1b4 [ 212.989935][ T6313] vfs_get_tree+0x90/0x274 [ 212.990649][ T6313] do_new_mount+0x228/0x810 [ 212.991367][ T6313] path_mount+0x5bc/0x1008 [ 212.992129][ T6313] __arm64_sys_mount+0x514/0x5f0 [ 212.992897][ T6313] invoke_syscall+0x98/0x2b0 [ 212.993534][ T6313] el0_svc_common+0x138/0x258 [ 212.994195][ T6313] do_el0_svc+0x58/0x13c [ 212.994801][ T6313] el0_svc+0x78/0x1d0 [ 212.995425][ T6313] el0t_64_sync_handler+0xcc/0xe4 [ 212.996182][ T6313] el0t_64_sync+0x1a0/0x1a4 [ 212.998911][ T6313] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.001107][ T6313] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.218075][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.219346][ T6315] CPU: 0 PID: 6315 Comm: syz.1.630 Not tainted syzkaller #0 [ 213.220466][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.222160][ T6315] Call trace: [ 213.222651][ T6315] dump_backtrace+0x0/0x458 [ 213.223328][ T6315] show_stack+0x2c/0x3c [ 213.223936][ T6315] __dump_stack+0x30/0x40 [ 213.224621][ T6315] dump_stack_lvl+0xf4/0x15c [ 213.225353][ T6315] dump_stack+0x1c/0x5c [ 213.225966][ T6315] sysfs_create_dir_ns+0x244/0x264 [ 213.226787][ T6315] kobject_add_internal+0x5ac/0xc3c [ 213.227569][ T6315] kobject_init_and_add+0x124/0x190 [ 213.228387][ T6315] gfs2_sys_fs_add+0x200/0x41c [ 213.229089][ T6315] gfs2_fill_super+0xddc/0x1a18 [ 213.229823][ T6315] get_tree_bdev+0x358/0x544 [ 213.230526][ T6315] gfs2_get_tree+0x54/0x1b4 [ 213.231251][ T6315] vfs_get_tree+0x90/0x274 [ 213.231931][ T6315] do_new_mount+0x228/0x810 [ 213.232632][ T6315] path_mount+0x5bc/0x1008 [ 213.233288][ T6315] __arm64_sys_mount+0x514/0x5f0 [ 213.234064][ T6315] invoke_syscall+0x98/0x2b0 [ 213.234781][ T6315] el0_svc_common+0x138/0x258 [ 213.235505][ T6315] do_el0_svc+0x58/0x13c [ 213.236157][ T6315] el0_svc+0x78/0x1d0 [ 213.236761][ T6315] el0t_64_sync_handler+0xcc/0xe4 [ 213.237507][ T6315] el0t_64_sync+0x1a0/0x1a4 [ 213.239521][ T6315] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.241667][ T6315] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.410809][ T6317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.412055][ T6317] CPU: 0 PID: 6317 Comm: syz.1.631 Not tainted syzkaller #0 [ 213.413217][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.414760][ T6317] Call trace: [ 213.415235][ T6317] dump_backtrace+0x0/0x458 [ 213.415930][ T6317] show_stack+0x2c/0x3c [ 213.416558][ T6317] __dump_stack+0x30/0x40 [ 213.417210][ T6317] dump_stack_lvl+0xf4/0x15c [ 213.417900][ T6317] dump_stack+0x1c/0x5c [ 213.418542][ T6317] sysfs_create_dir_ns+0x244/0x264 [ 213.419343][ T6317] kobject_add_internal+0x5ac/0xc3c [ 213.420150][ T6317] kobject_init_and_add+0x124/0x190 [ 213.420939][ T6317] gfs2_sys_fs_add+0x200/0x41c [ 213.421655][ T6317] gfs2_fill_super+0xddc/0x1a18 [ 213.422352][ T6317] get_tree_bdev+0x358/0x544 [ 213.423041][ T6317] gfs2_get_tree+0x54/0x1b4 [ 213.423658][ T6317] vfs_get_tree+0x90/0x274 [ 213.424383][ T6317] do_new_mount+0x228/0x810 [ 213.425020][ T6317] path_mount+0x5bc/0x1008 [ 213.425655][ T6317] __arm64_sys_mount+0x514/0x5f0 [ 213.426356][ T6317] invoke_syscall+0x98/0x2b0 [ 213.427066][ T6317] el0_svc_common+0x138/0x258 [ 213.427723][ T6317] do_el0_svc+0x58/0x13c [ 213.428322][ T6317] el0_svc+0x78/0x1d0 [ 213.428899][ T6317] el0t_64_sync_handler+0xcc/0xe4 [ 213.429674][ T6317] el0t_64_sync+0x1a0/0x1a4 [ 213.430453][ T6317] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.432350][ T6317] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.647162][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.648324][ T6319] CPU: 0 PID: 6319 Comm: syz.1.632 Not tainted syzkaller #0 [ 213.649544][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.651076][ T6319] Call trace: [ 213.651595][ T6319] dump_backtrace+0x0/0x458 [ 213.652261][ T6319] show_stack+0x2c/0x3c [ 213.652923][ T6319] __dump_stack+0x30/0x40 [ 213.653587][ T6319] dump_stack_lvl+0xf4/0x15c [ 213.654278][ T6319] dump_stack+0x1c/0x5c [ 213.654950][ T6319] sysfs_create_dir_ns+0x244/0x264 [ 213.655718][ T6319] kobject_add_internal+0x5ac/0xc3c [ 213.656530][ T6319] kobject_init_and_add+0x124/0x190 [ 213.657369][ T6319] gfs2_sys_fs_add+0x200/0x41c [ 213.658081][ T6319] gfs2_fill_super+0xddc/0x1a18 [ 213.658820][ T6319] get_tree_bdev+0x358/0x544 [ 213.659513][ T6319] gfs2_get_tree+0x54/0x1b4 [ 213.660178][ T6319] vfs_get_tree+0x90/0x274 [ 213.660838][ T6319] do_new_mount+0x228/0x810 [ 213.661505][ T6319] path_mount+0x5bc/0x1008 [ 213.662153][ T6319] __arm64_sys_mount+0x514/0x5f0 [ 213.662896][ T6319] invoke_syscall+0x98/0x2b0 [ 213.663585][ T6319] el0_svc_common+0x138/0x258 [ 213.664306][ T6319] do_el0_svc+0x58/0x13c [ 213.665003][ T6319] el0_svc+0x78/0x1d0 [ 213.665549][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 213.666314][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 213.672070][ T6319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.674278][ T6319] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.851797][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.852939][ T6321] CPU: 1 PID: 6321 Comm: syz.1.633 Not tainted syzkaller #0 [ 213.854008][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.855510][ T6321] Call trace: [ 213.855945][ T6321] dump_backtrace+0x0/0x458 [ 213.856575][ T6321] show_stack+0x2c/0x3c [ 213.857160][ T6321] __dump_stack+0x30/0x40 [ 213.857771][ T6321] dump_stack_lvl+0xf4/0x15c [ 213.858451][ T6321] dump_stack+0x1c/0x5c [ 213.859122][ T6321] sysfs_create_dir_ns+0x244/0x264 [ 213.859844][ T6321] kobject_add_internal+0x5ac/0xc3c [ 213.860569][ T6321] kobject_init_and_add+0x124/0x190 [ 213.861360][ T6321] gfs2_sys_fs_add+0x200/0x41c [ 213.862056][ T6321] gfs2_fill_super+0xddc/0x1a18 [ 213.862738][ T6321] get_tree_bdev+0x358/0x544 [ 213.863424][ T6321] gfs2_get_tree+0x54/0x1b4 [ 213.864122][ T6321] vfs_get_tree+0x90/0x274 [ 213.864807][ T6321] do_new_mount+0x228/0x810 [ 213.865448][ T6321] path_mount+0x5bc/0x1008 [ 213.866081][ T6321] __arm64_sys_mount+0x514/0x5f0 [ 213.866810][ T6321] invoke_syscall+0x98/0x2b0 [ 213.867480][ T6321] el0_svc_common+0x138/0x258 [ 213.868177][ T6321] do_el0_svc+0x58/0x13c [ 213.868808][ T6321] el0_svc+0x78/0x1d0 [ 213.869390][ T6321] el0t_64_sync_handler+0xcc/0xe4 [ 213.870122][ T6321] el0t_64_sync+0x1a0/0x1a4 [ 213.870930][ T6321] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.872881][ T6321] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.050169][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.051337][ T6323] CPU: 1 PID: 6323 Comm: syz.1.634 Not tainted syzkaller #0 [ 214.052529][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.053996][ T6323] Call trace: [ 214.054437][ T6323] dump_backtrace+0x0/0x458 [ 214.055085][ T6323] show_stack+0x2c/0x3c [ 214.055709][ T6323] __dump_stack+0x30/0x40 [ 214.056321][ T6323] dump_stack_lvl+0xf4/0x15c [ 214.057005][ T6323] dump_stack+0x1c/0x5c [ 214.057616][ T6323] sysfs_create_dir_ns+0x244/0x264 [ 214.058388][ T6323] kobject_add_internal+0x5ac/0xc3c [ 214.059138][ T6323] kobject_init_and_add+0x124/0x190 [ 214.059929][ T6323] gfs2_sys_fs_add+0x200/0x41c [ 214.060660][ T6323] gfs2_fill_super+0xddc/0x1a18 [ 214.061420][ T6323] get_tree_bdev+0x358/0x544 [ 214.062077][ T6323] gfs2_get_tree+0x54/0x1b4 [ 214.062722][ T6323] vfs_get_tree+0x90/0x274 [ 214.063402][ T6323] do_new_mount+0x228/0x810 [ 214.064060][ T6323] path_mount+0x5bc/0x1008 [ 214.064701][ T6323] __arm64_sys_mount+0x514/0x5f0 [ 214.065417][ T6323] invoke_syscall+0x98/0x2b0 [ 214.066099][ T6323] el0_svc_common+0x138/0x258 [ 214.066778][ T6323] do_el0_svc+0x58/0x13c [ 214.067414][ T6323] el0_svc+0x78/0x1d0 [ 214.067983][ T6323] el0t_64_sync_handler+0xcc/0xe4 [ 214.068752][ T6323] el0t_64_sync+0x1a0/0x1a4 [ 214.069543][ T6323] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.071462][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.301279][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.302499][ T6325] CPU: 0 PID: 6325 Comm: syz.1.635 Not tainted syzkaller #0 [ 214.303685][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.305302][ T6325] Call trace: [ 214.305789][ T6325] dump_backtrace+0x0/0x458 [ 214.306571][ T6325] show_stack+0x2c/0x3c [ 214.307217][ T6325] __dump_stack+0x30/0x40 [ 214.307912][ T6325] dump_stack_lvl+0xf4/0x15c [ 214.308645][ T6325] dump_stack+0x1c/0x5c [ 214.309327][ T6325] sysfs_create_dir_ns+0x244/0x264 [ 214.310119][ T6325] kobject_add_internal+0x5ac/0xc3c [ 214.310950][ T6325] kobject_init_and_add+0x124/0x190 [ 214.311775][ T6325] gfs2_sys_fs_add+0x200/0x41c [ 214.312565][ T6325] gfs2_fill_super+0xddc/0x1a18 [ 214.313338][ T6325] get_tree_bdev+0x358/0x544 [ 214.314027][ T6325] gfs2_get_tree+0x54/0x1b4 [ 214.314717][ T6325] vfs_get_tree+0x90/0x274 [ 214.315439][ T6325] do_new_mount+0x228/0x810 [ 214.316163][ T6325] path_mount+0x5bc/0x1008 [ 214.316837][ T6325] __arm64_sys_mount+0x514/0x5f0 [ 214.317635][ T6325] invoke_syscall+0x98/0x2b0 [ 214.318286][ T6325] el0_svc_common+0x138/0x258 [ 214.318996][ T6325] do_el0_svc+0x58/0x13c [ 214.319615][ T6325] el0_svc+0x78/0x1d0 [ 214.320224][ T6325] el0t_64_sync_handler+0xcc/0xe4 [ 214.321004][ T6325] el0t_64_sync+0x1a0/0x1a4 [ 214.323608][ T6325] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.325619][ T6325] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.459959][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.461083][ T6327] CPU: 1 PID: 6327 Comm: syz.1.636 Not tainted syzkaller #0 [ 214.462140][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.463554][ T6327] Call trace: [ 214.464012][ T6327] dump_backtrace+0x0/0x458 [ 214.464649][ T6327] show_stack+0x2c/0x3c [ 214.465236][ T6327] __dump_stack+0x30/0x40 [ 214.465851][ T6327] dump_stack_lvl+0xf4/0x15c [ 214.466508][ T6327] dump_stack+0x1c/0x5c [ 214.467105][ T6327] sysfs_create_dir_ns+0x244/0x264 [ 214.467897][ T6327] kobject_add_internal+0x5ac/0xc3c [ 214.468653][ T6327] kobject_init_and_add+0x124/0x190 [ 214.469361][ T6327] gfs2_sys_fs_add+0x200/0x41c [ 214.470076][ T6327] gfs2_fill_super+0xddc/0x1a18 [ 214.470735][ T6327] get_tree_bdev+0x358/0x544 [ 214.471381][ T6327] gfs2_get_tree+0x54/0x1b4 [ 214.472019][ T6327] vfs_get_tree+0x90/0x274 [ 214.472608][ T6327] do_new_mount+0x228/0x810 [ 214.473237][ T6327] path_mount+0x5bc/0x1008 [ 214.473918][ T6327] __arm64_sys_mount+0x514/0x5f0 [ 214.474666][ T6327] invoke_syscall+0x98/0x2b0 [ 214.475321][ T6327] el0_svc_common+0x138/0x258 [ 214.476037][ T6327] do_el0_svc+0x58/0x13c [ 214.476670][ T6327] el0_svc+0x78/0x1d0 [ 214.477247][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 214.477981][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 214.480144][ T6327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.482162][ T6327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.657967][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.659128][ T6329] CPU: 0 PID: 6329 Comm: syz.1.637 Not tainted syzkaller #0 [ 214.660282][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.661804][ T6329] Call trace: [ 214.662260][ T6329] dump_backtrace+0x0/0x458 [ 214.662900][ T6329] show_stack+0x2c/0x3c [ 214.663513][ T6329] __dump_stack+0x30/0x40 [ 214.664165][ T6329] dump_stack_lvl+0xf4/0x15c [ 214.664875][ T6329] dump_stack+0x1c/0x5c [ 214.665508][ T6329] sysfs_create_dir_ns+0x244/0x264 [ 214.666261][ T6329] kobject_add_internal+0x5ac/0xc3c [ 214.667038][ T6329] kobject_init_and_add+0x124/0x190 [ 214.667794][ T6329] gfs2_sys_fs_add+0x200/0x41c [ 214.668482][ T6329] gfs2_fill_super+0xddc/0x1a18 [ 214.669243][ T6329] get_tree_bdev+0x358/0x544 [ 214.669910][ T6329] gfs2_get_tree+0x54/0x1b4 [ 214.670626][ T6329] vfs_get_tree+0x90/0x274 [ 214.671236][ T6329] do_new_mount+0x228/0x810 [ 214.671931][ T6329] path_mount+0x5bc/0x1008 [ 214.672669][ T6329] __arm64_sys_mount+0x514/0x5f0 [ 214.673495][ T6329] invoke_syscall+0x98/0x2b0 [ 214.674227][ T6329] el0_svc_common+0x138/0x258 [ 214.674882][ T6329] do_el0_svc+0x58/0x13c [ 214.675542][ T6329] el0_svc+0x78/0x1d0 [ 214.676225][ T6329] el0t_64_sync_handler+0xcc/0xe4 [ 214.676998][ T6329] el0t_64_sync+0x1a0/0x1a4 [ 214.679202][ T6329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.681385][ T6329] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.796101][ T4160] Bluetooth: hci2: command 0x040f tx timeout [ 214.847335][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.848513][ T6331] CPU: 0 PID: 6331 Comm: syz.1.638 Not tainted syzkaller #0 [ 214.849618][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.851104][ T6331] Call trace: [ 214.851575][ T6331] dump_backtrace+0x0/0x458 [ 214.852206][ T6331] show_stack+0x2c/0x3c [ 214.852790][ T6331] __dump_stack+0x30/0x40 [ 214.853389][ T6331] dump_stack_lvl+0xf4/0x15c [ 214.854013][ T6331] dump_stack+0x1c/0x5c [ 214.854639][ T6331] sysfs_create_dir_ns+0x244/0x264 [ 214.855358][ T6331] kobject_add_internal+0x5ac/0xc3c [ 214.856134][ T6331] kobject_init_and_add+0x124/0x190 [ 214.856910][ T6331] gfs2_sys_fs_add+0x200/0x41c [ 214.857652][ T6331] gfs2_fill_super+0xddc/0x1a18 [ 214.858420][ T6331] get_tree_bdev+0x358/0x544 [ 214.859067][ T6331] gfs2_get_tree+0x54/0x1b4 [ 214.859740][ T6331] vfs_get_tree+0x90/0x274 [ 214.860364][ T6331] do_new_mount+0x228/0x810 [ 214.861033][ T6331] path_mount+0x5bc/0x1008 [ 214.861652][ T6331] __arm64_sys_mount+0x514/0x5f0 [ 214.862345][ T6331] invoke_syscall+0x98/0x2b0 [ 214.863004][ T6331] el0_svc_common+0x138/0x258 [ 214.863705][ T6331] do_el0_svc+0x58/0x13c [ 214.864305][ T6331] el0_svc+0x78/0x1d0 [ 214.864879][ T6331] el0t_64_sync_handler+0xcc/0xe4 [ 214.865602][ T6331] el0t_64_sync+0x1a0/0x1a4 [ 214.866458][ T6331] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.868589][ T6331] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:34 executed programs: 626 [ 215.072986][ T6333] set_capacity_and_notify: 13 callbacks suppressed [ 215.072997][ T6333] loop1: detected capacity change from 0 to 32768 [ 215.112255][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.113372][ T6333] CPU: 1 PID: 6333 Comm: syz.1.639 Not tainted syzkaller #0 [ 215.114589][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.116113][ T6333] Call trace: [ 215.116632][ T6333] dump_backtrace+0x0/0x458 [ 215.117307][ T6333] show_stack+0x2c/0x3c [ 215.117934][ T6333] __dump_stack+0x30/0x40 [ 215.118604][ T6333] dump_stack_lvl+0xf4/0x15c [ 215.119298][ T6333] dump_stack+0x1c/0x5c [ 215.119851][ T6333] sysfs_create_dir_ns+0x244/0x264 [ 215.120608][ T6333] kobject_add_internal+0x5ac/0xc3c [ 215.121295][ T6333] kobject_init_and_add+0x124/0x190 [ 215.121983][ T6333] gfs2_sys_fs_add+0x200/0x41c [ 215.122653][ T6333] gfs2_fill_super+0xddc/0x1a18 [ 215.123413][ T6333] get_tree_bdev+0x358/0x544 [ 215.124086][ T6333] gfs2_get_tree+0x54/0x1b4 [ 215.124750][ T6333] vfs_get_tree+0x90/0x274 [ 215.125433][ T6333] do_new_mount+0x228/0x810 [ 215.126094][ T6333] path_mount+0x5bc/0x1008 [ 215.126711][ T6333] __arm64_sys_mount+0x514/0x5f0 [ 215.127474][ T6333] invoke_syscall+0x98/0x2b0 [ 215.128132][ T6333] el0_svc_common+0x138/0x258 [ 215.128855][ T6333] do_el0_svc+0x58/0x13c [ 215.129538][ T6333] el0_svc+0x78/0x1d0 [ 215.130171][ T6333] el0t_64_sync_handler+0xcc/0xe4 [ 215.130902][ T6333] el0t_64_sync+0x1a0/0x1a4 [ 215.133110][ T6333] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.135149][ T6333] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.265822][ T6335] loop1: detected capacity change from 0 to 32768 [ 215.272888][ T6335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.274077][ T6335] CPU: 0 PID: 6335 Comm: syz.1.640 Not tainted syzkaller #0 [ 215.275189][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.276765][ T6335] Call trace: [ 215.277265][ T6335] dump_backtrace+0x0/0x458 [ 215.277878][ T6335] show_stack+0x2c/0x3c [ 215.278438][ T6335] __dump_stack+0x30/0x40 [ 215.279096][ T6335] dump_stack_lvl+0xf4/0x15c [ 215.279748][ T6335] dump_stack+0x1c/0x5c [ 215.280368][ T6335] sysfs_create_dir_ns+0x244/0x264 [ 215.281188][ T6335] kobject_add_internal+0x5ac/0xc3c [ 215.281915][ T6335] kobject_init_and_add+0x124/0x190 [ 215.282687][ T6335] gfs2_sys_fs_add+0x200/0x41c [ 215.283353][ T6335] gfs2_fill_super+0xddc/0x1a18 [ 215.284042][ T6335] get_tree_bdev+0x358/0x544 [ 215.284737][ T6335] gfs2_get_tree+0x54/0x1b4 [ 215.285369][ T6335] vfs_get_tree+0x90/0x274 [ 215.286010][ T6335] do_new_mount+0x228/0x810 [ 215.286659][ T6335] path_mount+0x5bc/0x1008 [ 215.287376][ T6335] __arm64_sys_mount+0x514/0x5f0 [ 215.288130][ T6335] invoke_syscall+0x98/0x2b0 [ 215.288811][ T6335] el0_svc_common+0x138/0x258 [ 215.289478][ T6335] do_el0_svc+0x58/0x13c [ 215.290111][ T6335] el0_svc+0x78/0x1d0 [ 215.290692][ T6335] el0t_64_sync_handler+0xcc/0xe4 [ 215.291389][ T6335] el0t_64_sync+0x1a0/0x1a4 [ 215.293567][ T6335] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.295629][ T6335] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.429638][ T6337] loop1: detected capacity change from 0 to 32768 [ 215.436981][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.438158][ T6337] CPU: 1 PID: 6337 Comm: syz.1.641 Not tainted syzkaller #0 [ 215.439299][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.440905][ T6337] Call trace: [ 215.441395][ T6337] dump_backtrace+0x0/0x458 [ 215.442144][ T6337] show_stack+0x2c/0x3c [ 215.442785][ T6337] __dump_stack+0x30/0x40 [ 215.443411][ T6337] dump_stack_lvl+0xf4/0x15c [ 215.444121][ T6337] dump_stack+0x1c/0x5c [ 215.444784][ T6337] sysfs_create_dir_ns+0x244/0x264 [ 215.445656][ T6337] kobject_add_internal+0x5ac/0xc3c [ 215.446543][ T6337] kobject_init_and_add+0x124/0x190 [ 215.447383][ T6337] gfs2_sys_fs_add+0x200/0x41c [ 215.448052][ T6337] gfs2_fill_super+0xddc/0x1a18 [ 215.448746][ T6337] get_tree_bdev+0x358/0x544 [ 215.449412][ T6337] gfs2_get_tree+0x54/0x1b4 [ 215.450073][ T6337] vfs_get_tree+0x90/0x274 [ 215.450685][ T6337] do_new_mount+0x228/0x810 [ 215.451367][ T6337] path_mount+0x5bc/0x1008 [ 215.452050][ T6337] __arm64_sys_mount+0x514/0x5f0 [ 215.452752][ T6337] invoke_syscall+0x98/0x2b0 [ 215.453477][ T6337] el0_svc_common+0x138/0x258 [ 215.454199][ T6337] do_el0_svc+0x58/0x13c [ 215.454897][ T6337] el0_svc+0x78/0x1d0 [ 215.455510][ T6337] el0t_64_sync_handler+0xcc/0xe4 [ 215.456317][ T6337] el0t_64_sync+0x1a0/0x1a4 [ 215.457831][ T6337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.459785][ T6337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.591223][ T6339] loop1: detected capacity change from 0 to 32768 [ 215.599030][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.600105][ T6339] CPU: 0 PID: 6339 Comm: syz.1.642 Not tainted syzkaller #0 [ 215.601172][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.602695][ T6339] Call trace: [ 215.603197][ T6339] dump_backtrace+0x0/0x458 [ 215.603891][ T6339] show_stack+0x2c/0x3c [ 215.604499][ T6339] __dump_stack+0x30/0x40 [ 215.605147][ T6339] dump_stack_lvl+0xf4/0x15c [ 215.605860][ T6339] dump_stack+0x1c/0x5c [ 215.606445][ T6339] sysfs_create_dir_ns+0x244/0x264 [ 215.607233][ T6339] kobject_add_internal+0x5ac/0xc3c [ 215.607982][ T6339] kobject_init_and_add+0x124/0x190 [ 215.608833][ T6339] gfs2_sys_fs_add+0x200/0x41c [ 215.609537][ T6339] gfs2_fill_super+0xddc/0x1a18 [ 215.610284][ T6339] get_tree_bdev+0x358/0x544 [ 215.611075][ T6339] gfs2_get_tree+0x54/0x1b4 [ 215.611762][ T6339] vfs_get_tree+0x90/0x274 [ 215.612531][ T6339] do_new_mount+0x228/0x810 [ 215.613239][ T6339] path_mount+0x5bc/0x1008 [ 215.613975][ T6339] __arm64_sys_mount+0x514/0x5f0 [ 215.614771][ T6339] invoke_syscall+0x98/0x2b0 [ 215.615539][ T6339] el0_svc_common+0x138/0x258 [ 215.616259][ T6339] do_el0_svc+0x58/0x13c [ 215.616928][ T6339] el0_svc+0x78/0x1d0 [ 215.617500][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 215.618236][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 215.619521][ T6339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.621610][ T6339] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.750806][ T6341] loop1: detected capacity change from 0 to 32768 [ 215.831086][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.832218][ T6341] CPU: 1 PID: 6341 Comm: syz.1.643 Not tainted syzkaller #0 [ 215.833300][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.834673][ T6341] Call trace: [ 215.835122][ T6341] dump_backtrace+0x0/0x458 [ 215.835788][ T6341] show_stack+0x2c/0x3c [ 215.836393][ T6341] __dump_stack+0x30/0x40 [ 215.837017][ T6341] dump_stack_lvl+0xf4/0x15c [ 215.837685][ T6341] dump_stack+0x1c/0x5c [ 215.838285][ T6341] sysfs_create_dir_ns+0x244/0x264 [ 215.839101][ T6341] kobject_add_internal+0x5ac/0xc3c [ 215.839855][ T6341] kobject_init_and_add+0x124/0x190 [ 215.840632][ T6341] gfs2_sys_fs_add+0x200/0x41c [ 215.841349][ T6341] gfs2_fill_super+0xddc/0x1a18 [ 215.842021][ T6341] get_tree_bdev+0x358/0x544 [ 215.842695][ T6341] gfs2_get_tree+0x54/0x1b4 [ 215.843455][ T6341] vfs_get_tree+0x90/0x274 [ 215.844321][ T6341] do_new_mount+0x228/0x810 [ 215.844940][ T6341] path_mount+0x5bc/0x1008 [ 215.845672][ T6341] __arm64_sys_mount+0x514/0x5f0 [ 215.846437][ T6341] invoke_syscall+0x98/0x2b0 [ 215.847180][ T6341] el0_svc_common+0x138/0x258 [ 215.847886][ T6341] do_el0_svc+0x58/0x13c [ 215.848530][ T6341] el0_svc+0x78/0x1d0 [ 215.849164][ T6341] el0t_64_sync_handler+0xcc/0xe4 [ 215.849852][ T6341] el0t_64_sync+0x1a0/0x1a4 [ 215.851419][ T6341] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.853619][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.990062][ T6343] loop1: detected capacity change from 0 to 32768 [ 216.027347][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.028530][ T6343] CPU: 1 PID: 6343 Comm: syz.1.644 Not tainted syzkaller #0 [ 216.029630][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.031145][ T6343] Call trace: [ 216.031659][ T6343] dump_backtrace+0x0/0x458 [ 216.032275][ T6343] show_stack+0x2c/0x3c [ 216.032849][ T6343] __dump_stack+0x30/0x40 [ 216.033513][ T6343] dump_stack_lvl+0xf4/0x15c [ 216.034109][ T6343] dump_stack+0x1c/0x5c [ 216.034703][ T6343] sysfs_create_dir_ns+0x244/0x264 [ 216.035428][ T6343] kobject_add_internal+0x5ac/0xc3c [ 216.036122][ T6343] kobject_init_and_add+0x124/0x190 [ 216.036927][ T6343] gfs2_sys_fs_add+0x200/0x41c [ 216.037599][ T6343] gfs2_fill_super+0xddc/0x1a18 [ 216.038244][ T6343] get_tree_bdev+0x358/0x544 [ 216.038875][ T6343] gfs2_get_tree+0x54/0x1b4 [ 216.039521][ T6343] vfs_get_tree+0x90/0x274 [ 216.040107][ T6343] do_new_mount+0x228/0x810 [ 216.040754][ T6343] path_mount+0x5bc/0x1008 [ 216.041373][ T6343] __arm64_sys_mount+0x514/0x5f0 [ 216.042090][ T6343] invoke_syscall+0x98/0x2b0 [ 216.042793][ T6343] el0_svc_common+0x138/0x258 [ 216.043474][ T6343] do_el0_svc+0x58/0x13c [ 216.044135][ T6343] el0_svc+0x78/0x1d0 [ 216.044681][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 216.045399][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 216.048134][ T6343] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.050077][ T6343] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.179580][ T6345] loop1: detected capacity change from 0 to 32768 [ 216.186888][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.188032][ T6345] CPU: 1 PID: 6345 Comm: syz.1.645 Not tainted syzkaller #0 [ 216.189182][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.190684][ T6345] Call trace: [ 216.191125][ T6345] dump_backtrace+0x0/0x458 [ 216.191858][ T6345] show_stack+0x2c/0x3c [ 216.192492][ T6345] __dump_stack+0x30/0x40 [ 216.193142][ T6345] dump_stack_lvl+0xf4/0x15c [ 216.193805][ T6345] dump_stack+0x1c/0x5c [ 216.194385][ T6345] sysfs_create_dir_ns+0x244/0x264 [ 216.195147][ T6345] kobject_add_internal+0x5ac/0xc3c [ 216.195832][ T6345] kobject_init_and_add+0x124/0x190 [ 216.196583][ T6345] gfs2_sys_fs_add+0x200/0x41c [ 216.197279][ T6345] gfs2_fill_super+0xddc/0x1a18 [ 216.197974][ T6345] get_tree_bdev+0x358/0x544 [ 216.198637][ T6345] gfs2_get_tree+0x54/0x1b4 [ 216.199310][ T6345] vfs_get_tree+0x90/0x274 [ 216.199943][ T6345] do_new_mount+0x228/0x810 [ 216.200621][ T6345] path_mount+0x5bc/0x1008 [ 216.201253][ T6345] __arm64_sys_mount+0x514/0x5f0 [ 216.201970][ T6345] invoke_syscall+0x98/0x2b0 [ 216.202637][ T6345] el0_svc_common+0x138/0x258 [ 216.203293][ T6345] do_el0_svc+0x58/0x13c [ 216.203842][ T6345] el0_svc+0x78/0x1d0 [ 216.204378][ T6345] el0t_64_sync_handler+0xcc/0xe4 [ 216.205140][ T6345] el0t_64_sync+0x1a0/0x1a4 [ 216.206033][ T6345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.208056][ T6345] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.335333][ T6347] loop1: detected capacity change from 0 to 32768 [ 216.387327][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.388543][ T6347] CPU: 0 PID: 6347 Comm: syz.1.646 Not tainted syzkaller #0 [ 216.389766][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.391338][ T6347] Call trace: [ 216.391892][ T6347] dump_backtrace+0x0/0x458 [ 216.392585][ T6347] show_stack+0x2c/0x3c [ 216.393211][ T6347] __dump_stack+0x30/0x40 [ 216.393830][ T6347] dump_stack_lvl+0xf4/0x15c [ 216.394542][ T6347] dump_stack+0x1c/0x5c [ 216.395208][ T6347] sysfs_create_dir_ns+0x244/0x264 [ 216.396006][ T6347] kobject_add_internal+0x5ac/0xc3c [ 216.396752][ T6347] kobject_init_and_add+0x124/0x190 [ 216.397519][ T6347] gfs2_sys_fs_add+0x200/0x41c [ 216.398227][ T6347] gfs2_fill_super+0xddc/0x1a18 [ 216.398958][ T6347] get_tree_bdev+0x358/0x544 [ 216.399690][ T6347] gfs2_get_tree+0x54/0x1b4 [ 216.400331][ T6347] vfs_get_tree+0x90/0x274 [ 216.400988][ T6347] do_new_mount+0x228/0x810 [ 216.401634][ T6347] path_mount+0x5bc/0x1008 [ 216.402320][ T6347] __arm64_sys_mount+0x514/0x5f0 [ 216.403104][ T6347] invoke_syscall+0x98/0x2b0 [ 216.403788][ T6347] el0_svc_common+0x138/0x258 [ 216.404476][ T6347] do_el0_svc+0x58/0x13c [ 216.405124][ T6347] el0_svc+0x78/0x1d0 [ 216.405744][ T6347] el0t_64_sync_handler+0xcc/0xe4 [ 216.406485][ T6347] el0t_64_sync+0x1a0/0x1a4 [ 216.409052][ T6347] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.411091][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.539457][ T6349] loop1: detected capacity change from 0 to 32768 [ 216.620867][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.622017][ T6349] CPU: 1 PID: 6349 Comm: syz.1.647 Not tainted syzkaller #0 [ 216.622987][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.624624][ T6349] Call trace: [ 216.625141][ T6349] dump_backtrace+0x0/0x458 [ 216.625778][ T6349] show_stack+0x2c/0x3c [ 216.626454][ T6349] __dump_stack+0x30/0x40 [ 216.627129][ T6349] dump_stack_lvl+0xf4/0x15c [ 216.627818][ T6349] dump_stack+0x1c/0x5c [ 216.628422][ T6349] sysfs_create_dir_ns+0x244/0x264 [ 216.629175][ T6349] kobject_add_internal+0x5ac/0xc3c [ 216.630076][ T6349] kobject_init_and_add+0x124/0x190 [ 216.630911][ T6349] gfs2_sys_fs_add+0x200/0x41c [ 216.631667][ T6349] gfs2_fill_super+0xddc/0x1a18 [ 216.632380][ T6349] get_tree_bdev+0x358/0x544 [ 216.633081][ T6349] gfs2_get_tree+0x54/0x1b4 [ 216.633767][ T6349] vfs_get_tree+0x90/0x274 [ 216.634388][ T6349] do_new_mount+0x228/0x810 [ 216.634991][ T6349] path_mount+0x5bc/0x1008 [ 216.635659][ T6349] __arm64_sys_mount+0x514/0x5f0 [ 216.636381][ T6349] invoke_syscall+0x98/0x2b0 [ 216.636997][ T6349] el0_svc_common+0x138/0x258 [ 216.637691][ T6349] do_el0_svc+0x58/0x13c [ 216.638283][ T6349] el0_svc+0x78/0x1d0 [ 216.638890][ T6349] el0t_64_sync_handler+0xcc/0xe4 [ 216.639593][ T6349] el0t_64_sync+0x1a0/0x1a4 [ 216.641333][ T6349] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.643387][ T6349] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.772169][ T6351] loop1: detected capacity change from 0 to 32768 [ 216.817597][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.818930][ T6351] CPU: 0 PID: 6351 Comm: syz.1.648 Not tainted syzkaller #0 [ 216.820046][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.821528][ T6351] Call trace: [ 216.821958][ T6351] dump_backtrace+0x0/0x458 [ 216.822580][ T6351] show_stack+0x2c/0x3c [ 216.823201][ T6351] __dump_stack+0x30/0x40 [ 216.823848][ T6351] dump_stack_lvl+0xf4/0x15c [ 216.824533][ T6351] dump_stack+0x1c/0x5c [ 216.825145][ T6351] sysfs_create_dir_ns+0x244/0x264 [ 216.825974][ T6351] kobject_add_internal+0x5ac/0xc3c [ 216.826754][ T6351] kobject_init_and_add+0x124/0x190 [ 216.827552][ T6351] gfs2_sys_fs_add+0x200/0x41c [ 216.828260][ T6351] gfs2_fill_super+0xddc/0x1a18 [ 216.829012][ T6351] get_tree_bdev+0x358/0x544 [ 216.829731][ T6351] gfs2_get_tree+0x54/0x1b4 [ 216.830402][ T6351] vfs_get_tree+0x90/0x274 [ 216.831074][ T6351] do_new_mount+0x228/0x810 [ 216.831772][ T6351] path_mount+0x5bc/0x1008 [ 216.832465][ T6351] __arm64_sys_mount+0x514/0x5f0 [ 216.833159][ T6351] invoke_syscall+0x98/0x2b0 [ 216.833837][ T6351] el0_svc_common+0x138/0x258 [ 216.834607][ T6351] do_el0_svc+0x58/0x13c [ 216.835222][ T6351] el0_svc+0x78/0x1d0 [ 216.835856][ T6351] el0t_64_sync_handler+0xcc/0xe4 [ 216.836628][ T6351] el0t_64_sync+0x1a0/0x1a4 [ 216.838716][ T6351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.840698][ T6351] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.876094][ T4160] Bluetooth: hci2: command 0x0419 tx timeout [ 216.980767][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.981970][ T6353] CPU: 1 PID: 6353 Comm: syz.1.649 Not tainted syzkaller #0 [ 216.983126][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.984676][ T6353] Call trace: [ 216.985135][ T6353] dump_backtrace+0x0/0x458 [ 216.985807][ T6353] show_stack+0x2c/0x3c [ 216.986426][ T6353] __dump_stack+0x30/0x40 [ 216.987043][ T6353] dump_stack_lvl+0xf4/0x15c [ 216.987762][ T6353] dump_stack+0x1c/0x5c [ 216.988399][ T6353] sysfs_create_dir_ns+0x244/0x264 [ 216.989168][ T6353] kobject_add_internal+0x5ac/0xc3c [ 216.989898][ T6353] kobject_init_and_add+0x124/0x190 [ 216.990621][ T6353] gfs2_sys_fs_add+0x200/0x41c [ 216.991325][ T6353] gfs2_fill_super+0xddc/0x1a18 [ 216.992145][ T6353] get_tree_bdev+0x358/0x544 [ 216.992931][ T6353] gfs2_get_tree+0x54/0x1b4 [ 216.993653][ T6353] vfs_get_tree+0x90/0x274 [ 216.994336][ T6353] do_new_mount+0x228/0x810 [ 216.995022][ T6353] path_mount+0x5bc/0x1008 [ 216.995715][ T6353] __arm64_sys_mount+0x514/0x5f0 [ 216.996493][ T6353] invoke_syscall+0x98/0x2b0 [ 216.997196][ T6353] el0_svc_common+0x138/0x258 [ 216.997939][ T6353] do_el0_svc+0x58/0x13c [ 216.998600][ T6353] el0_svc+0x78/0x1d0 [ 216.999233][ T6353] el0t_64_sync_handler+0xcc/0xe4 [ 216.999915][ T6353] el0t_64_sync+0x1a0/0x1a4 [ 217.000891][ T6353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.002963][ T6353] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.171085][ T6355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.172218][ T6355] CPU: 1 PID: 6355 Comm: syz.1.650 Not tainted syzkaller #0 [ 217.173303][ T6355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.174646][ T6355] Call trace: [ 217.175074][ T6355] dump_backtrace+0x0/0x458 [ 217.175713][ T6355] show_stack+0x2c/0x3c [ 217.176329][ T6355] __dump_stack+0x30/0x40 [ 217.176977][ T6355] dump_stack_lvl+0xf4/0x15c [ 217.177702][ T6355] dump_stack+0x1c/0x5c [ 217.178337][ T6355] sysfs_create_dir_ns+0x244/0x264 [ 217.179112][ T6355] kobject_add_internal+0x5ac/0xc3c [ 217.179912][ T6355] kobject_init_and_add+0x124/0x190 [ 217.180688][ T6355] gfs2_sys_fs_add+0x200/0x41c [ 217.181395][ T6355] gfs2_fill_super+0xddc/0x1a18 [ 217.182112][ T6355] get_tree_bdev+0x358/0x544 [ 217.182871][ T6355] gfs2_get_tree+0x54/0x1b4 [ 217.183551][ T6355] vfs_get_tree+0x90/0x274 [ 217.184188][ T6355] do_new_mount+0x228/0x810 [ 217.184886][ T6355] path_mount+0x5bc/0x1008 [ 217.185515][ T6355] __arm64_sys_mount+0x514/0x5f0 [ 217.186234][ T6355] invoke_syscall+0x98/0x2b0 [ 217.186913][ T6355] el0_svc_common+0x138/0x258 [ 217.187598][ T6355] do_el0_svc+0x58/0x13c [ 217.188280][ T6355] el0_svc+0x78/0x1d0 [ 217.188879][ T6355] el0t_64_sync_handler+0xcc/0xe4 [ 217.189567][ T6355] el0t_64_sync+0x1a0/0x1a4 [ 217.191276][ T6355] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.193295][ T6355] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.368290][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.369704][ T6357] CPU: 1 PID: 6357 Comm: syz.1.651 Not tainted syzkaller #0 [ 217.370799][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.372321][ T6357] Call trace: [ 217.372787][ T6357] dump_backtrace+0x0/0x458 [ 217.373366][ T6357] show_stack+0x2c/0x3c [ 217.373980][ T6357] __dump_stack+0x30/0x40 [ 217.374634][ T6357] dump_stack_lvl+0xf4/0x15c [ 217.375266][ T6357] dump_stack+0x1c/0x5c [ 217.375876][ T6357] sysfs_create_dir_ns+0x244/0x264 [ 217.376588][ T6357] kobject_add_internal+0x5ac/0xc3c [ 217.377439][ T6357] kobject_init_and_add+0x124/0x190 [ 217.378183][ T6357] gfs2_sys_fs_add+0x200/0x41c [ 217.378915][ T6357] gfs2_fill_super+0xddc/0x1a18 [ 217.379623][ T6357] get_tree_bdev+0x358/0x544 [ 217.380321][ T6357] gfs2_get_tree+0x54/0x1b4 [ 217.381010][ T6357] vfs_get_tree+0x90/0x274 [ 217.381655][ T6357] do_new_mount+0x228/0x810 [ 217.382276][ T6357] path_mount+0x5bc/0x1008 [ 217.382952][ T6357] __arm64_sys_mount+0x514/0x5f0 [ 217.383676][ T6357] invoke_syscall+0x98/0x2b0 [ 217.384328][ T6357] el0_svc_common+0x138/0x258 [ 217.385053][ T6357] do_el0_svc+0x58/0x13c [ 217.385686][ T6357] el0_svc+0x78/0x1d0 [ 217.386190][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 217.386951][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 217.389088][ T6357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.391041][ T6357] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.562541][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.563701][ T6359] CPU: 1 PID: 6359 Comm: syz.1.652 Not tainted syzkaller #0 [ 217.564809][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.566277][ T6359] Call trace: [ 217.566755][ T6359] dump_backtrace+0x0/0x458 [ 217.567423][ T6359] show_stack+0x2c/0x3c [ 217.568042][ T6359] __dump_stack+0x30/0x40 [ 217.568661][ T6359] dump_stack_lvl+0xf4/0x15c [ 217.569343][ T6359] dump_stack+0x1c/0x5c [ 217.569967][ T6359] sysfs_create_dir_ns+0x244/0x264 [ 217.570750][ T6359] kobject_add_internal+0x5ac/0xc3c [ 217.571553][ T6359] kobject_init_and_add+0x124/0x190 [ 217.572349][ T6359] gfs2_sys_fs_add+0x200/0x41c [ 217.573044][ T6359] gfs2_fill_super+0xddc/0x1a18 [ 217.573846][ T6359] get_tree_bdev+0x358/0x544 [ 217.574560][ T6359] gfs2_get_tree+0x54/0x1b4 [ 217.575215][ T6359] vfs_get_tree+0x90/0x274 [ 217.575884][ T6359] do_new_mount+0x228/0x810 [ 217.576597][ T6359] path_mount+0x5bc/0x1008 [ 217.577252][ T6359] __arm64_sys_mount+0x514/0x5f0 [ 217.577961][ T6359] invoke_syscall+0x98/0x2b0 [ 217.578637][ T6359] el0_svc_common+0x138/0x258 [ 217.579376][ T6359] do_el0_svc+0x58/0x13c [ 217.580030][ T6359] el0_svc+0x78/0x1d0 [ 217.580582][ T6359] el0t_64_sync_handler+0xcc/0xe4 [ 217.581322][ T6359] el0t_64_sync+0x1a0/0x1a4 [ 217.583470][ T6359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.585345][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.752948][ T6361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.754293][ T6361] CPU: 0 PID: 6361 Comm: syz.1.653 Not tainted syzkaller #0 [ 217.755502][ T6361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.757140][ T6361] Call trace: [ 217.757664][ T6361] dump_backtrace+0x0/0x458 [ 217.758392][ T6361] show_stack+0x2c/0x3c [ 217.759038][ T6361] __dump_stack+0x30/0x40 [ 217.759709][ T6361] dump_stack_lvl+0xf4/0x15c [ 217.760393][ T6361] dump_stack+0x1c/0x5c [ 217.761019][ T6361] sysfs_create_dir_ns+0x244/0x264 [ 217.761806][ T6361] kobject_add_internal+0x5ac/0xc3c [ 217.762522][ T6361] kobject_init_and_add+0x124/0x190 [ 217.763277][ T6361] gfs2_sys_fs_add+0x200/0x41c [ 217.764006][ T6361] gfs2_fill_super+0xddc/0x1a18 [ 217.764706][ T6361] get_tree_bdev+0x358/0x544 [ 217.765358][ T6361] gfs2_get_tree+0x54/0x1b4 [ 217.766014][ T6361] vfs_get_tree+0x90/0x274 [ 217.766674][ T6361] do_new_mount+0x228/0x810 [ 217.767374][ T6361] path_mount+0x5bc/0x1008 [ 217.768059][ T6361] __arm64_sys_mount+0x514/0x5f0 [ 217.768914][ T6361] invoke_syscall+0x98/0x2b0 [ 217.769626][ T6361] el0_svc_common+0x138/0x258 [ 217.770369][ T6361] do_el0_svc+0x58/0x13c [ 217.771019][ T6361] el0_svc+0x78/0x1d0 [ 217.771653][ T6361] el0t_64_sync_handler+0xcc/0xe4 [ 217.772381][ T6361] el0t_64_sync+0x1a0/0x1a4 [ 217.774617][ T6361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.776752][ T6361] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.952097][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.953305][ T6363] CPU: 0 PID: 6363 Comm: syz.1.654 Not tainted syzkaller #0 [ 217.954521][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.956076][ T6363] Call trace: [ 217.956614][ T6363] dump_backtrace+0x0/0x458 [ 217.957342][ T6363] show_stack+0x2c/0x3c [ 217.957980][ T6363] __dump_stack+0x30/0x40 [ 217.958661][ T6363] dump_stack_lvl+0xf4/0x15c [ 217.959416][ T6363] dump_stack+0x1c/0x5c [ 217.960103][ T6363] sysfs_create_dir_ns+0x244/0x264 [ 217.960966][ T6363] kobject_add_internal+0x5ac/0xc3c [ 217.961783][ T6363] kobject_init_and_add+0x124/0x190 [ 217.962550][ T6363] gfs2_sys_fs_add+0x200/0x41c [ 217.963220][ T6363] gfs2_fill_super+0xddc/0x1a18 [ 217.963939][ T6363] get_tree_bdev+0x358/0x544 [ 217.964601][ T6363] gfs2_get_tree+0x54/0x1b4 [ 217.965258][ T6363] vfs_get_tree+0x90/0x274 [ 217.965936][ T6363] do_new_mount+0x228/0x810 [ 217.966624][ T6363] path_mount+0x5bc/0x1008 [ 217.967266][ T6363] __arm64_sys_mount+0x514/0x5f0 [ 217.968023][ T6363] invoke_syscall+0x98/0x2b0 [ 217.968764][ T6363] el0_svc_common+0x138/0x258 [ 217.969403][ T6363] do_el0_svc+0x58/0x13c [ 217.970023][ T6363] el0_svc+0x78/0x1d0 [ 217.970639][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 217.971322][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 217.973742][ T6363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.975782][ T6363] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.137320][ T6365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.138527][ T6365] CPU: 1 PID: 6365 Comm: syz.1.655 Not tainted syzkaller #0 [ 218.139551][ T6365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.141087][ T6365] Call trace: [ 218.141604][ T6365] dump_backtrace+0x0/0x458 [ 218.142328][ T6365] show_stack+0x2c/0x3c [ 218.142899][ T6365] __dump_stack+0x30/0x40 [ 218.143540][ T6365] dump_stack_lvl+0xf4/0x15c [ 218.144259][ T6365] dump_stack+0x1c/0x5c [ 218.144916][ T6365] sysfs_create_dir_ns+0x244/0x264 [ 218.145628][ T6365] kobject_add_internal+0x5ac/0xc3c [ 218.146379][ T6365] kobject_init_and_add+0x124/0x190 [ 218.147178][ T6365] gfs2_sys_fs_add+0x200/0x41c [ 218.147908][ T6365] gfs2_fill_super+0xddc/0x1a18 [ 218.148625][ T6365] get_tree_bdev+0x358/0x544 [ 218.149353][ T6365] gfs2_get_tree+0x54/0x1b4 [ 218.150034][ T6365] vfs_get_tree+0x90/0x274 [ 218.150660][ T6365] do_new_mount+0x228/0x810 [ 218.151346][ T6365] path_mount+0x5bc/0x1008 [ 218.152019][ T6365] __arm64_sys_mount+0x514/0x5f0 [ 218.152748][ T6365] invoke_syscall+0x98/0x2b0 [ 218.153492][ T6365] el0_svc_common+0x138/0x258 [ 218.154141][ T6365] do_el0_svc+0x58/0x13c [ 218.154756][ T6365] el0_svc+0x78/0x1d0 [ 218.155347][ T6365] el0t_64_sync_handler+0xcc/0xe4 [ 218.156117][ T6365] el0t_64_sync+0x1a0/0x1a4 [ 218.158195][ T6365] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.160285][ T6365] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.337262][ T6367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.338390][ T6367] CPU: 0 PID: 6367 Comm: syz.1.656 Not tainted syzkaller #0 [ 218.339499][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.341045][ T6367] Call trace: [ 218.341507][ T6367] dump_backtrace+0x0/0x458 [ 218.342201][ T6367] show_stack+0x2c/0x3c [ 218.342865][ T6367] __dump_stack+0x30/0x40 [ 218.343552][ T6367] dump_stack_lvl+0xf4/0x15c [ 218.344241][ T6367] dump_stack+0x1c/0x5c [ 218.344904][ T6367] sysfs_create_dir_ns+0x244/0x264 [ 218.345719][ T6367] kobject_add_internal+0x5ac/0xc3c [ 218.346550][ T6367] kobject_init_and_add+0x124/0x190 [ 218.347495][ T6367] gfs2_sys_fs_add+0x200/0x41c [ 218.348321][ T6367] gfs2_fill_super+0xddc/0x1a18 [ 218.349082][ T6367] get_tree_bdev+0x358/0x544 [ 218.349830][ T6367] gfs2_get_tree+0x54/0x1b4 [ 218.350532][ T6367] vfs_get_tree+0x90/0x274 [ 218.351211][ T6367] do_new_mount+0x228/0x810 [ 218.351916][ T6367] path_mount+0x5bc/0x1008 [ 218.352595][ T6367] __arm64_sys_mount+0x514/0x5f0 [ 218.353354][ T6367] invoke_syscall+0x98/0x2b0 [ 218.354071][ T6367] el0_svc_common+0x138/0x258 [ 218.354780][ T6367] do_el0_svc+0x58/0x13c [ 218.355433][ T6367] el0_svc+0x78/0x1d0 [ 218.356050][ T6367] el0t_64_sync_handler+0xcc/0xe4 [ 218.356809][ T6367] el0t_64_sync+0x1a0/0x1a4 [ 218.357687][ T6367] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.359801][ T6367] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.498071][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.499291][ T6369] CPU: 1 PID: 6369 Comm: syz.1.657 Not tainted syzkaller #0 [ 218.500384][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.501883][ T6369] Call trace: [ 218.502323][ T6369] dump_backtrace+0x0/0x458 [ 218.502960][ T6369] show_stack+0x2c/0x3c [ 218.503590][ T6369] __dump_stack+0x30/0x40 [ 218.504179][ T6369] dump_stack_lvl+0xf4/0x15c [ 218.504877][ T6369] dump_stack+0x1c/0x5c [ 218.505481][ T6369] sysfs_create_dir_ns+0x244/0x264 [ 218.506193][ T6369] kobject_add_internal+0x5ac/0xc3c [ 218.506973][ T6369] kobject_init_and_add+0x124/0x190 [ 218.507758][ T6369] gfs2_sys_fs_add+0x200/0x41c [ 218.508408][ T6369] gfs2_fill_super+0xddc/0x1a18 [ 218.509175][ T6369] get_tree_bdev+0x358/0x544 [ 218.509878][ T6369] gfs2_get_tree+0x54/0x1b4 [ 218.510638][ T6369] vfs_get_tree+0x90/0x274 [ 218.511266][ T6369] do_new_mount+0x228/0x810 [ 218.511964][ T6369] path_mount+0x5bc/0x1008 [ 218.512575][ T6369] __arm64_sys_mount+0x514/0x5f0 [ 218.513318][ T6369] invoke_syscall+0x98/0x2b0 [ 218.514031][ T6369] el0_svc_common+0x138/0x258 [ 218.514762][ T6369] do_el0_svc+0x58/0x13c [ 218.515340][ T6369] el0_svc+0x78/0x1d0 [ 218.515971][ T6369] el0t_64_sync_handler+0xcc/0xe4 [ 218.516722][ T6369] el0t_64_sync+0x1a0/0x1a4 [ 218.517497][ T6369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.519468][ T6369] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.750897][ T6371] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.752161][ T6371] CPU: 1 PID: 6371 Comm: syz.1.658 Not tainted syzkaller #0 [ 218.753284][ T6371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.754845][ T6371] Call trace: [ 218.755333][ T6371] dump_backtrace+0x0/0x458 [ 218.755975][ T6371] show_stack+0x2c/0x3c [ 218.756594][ T6371] __dump_stack+0x30/0x40 [ 218.757203][ T6371] dump_stack_lvl+0xf4/0x15c [ 218.757884][ T6371] dump_stack+0x1c/0x5c [ 218.758530][ T6371] sysfs_create_dir_ns+0x244/0x264 [ 218.759268][ T6371] kobject_add_internal+0x5ac/0xc3c [ 218.760044][ T6371] kobject_init_and_add+0x124/0x190 [ 218.760753][ T6371] gfs2_sys_fs_add+0x200/0x41c [ 218.761436][ T6371] gfs2_fill_super+0xddc/0x1a18 [ 218.762140][ T6371] get_tree_bdev+0x358/0x544 [ 218.762870][ T6371] gfs2_get_tree+0x54/0x1b4 [ 218.763683][ T6371] vfs_get_tree+0x90/0x274 [ 218.764421][ T6371] do_new_mount+0x228/0x810 [ 218.765114][ T6371] path_mount+0x5bc/0x1008 [ 218.765886][ T6371] __arm64_sys_mount+0x514/0x5f0 [ 218.766712][ T6371] invoke_syscall+0x98/0x2b0 [ 218.767439][ T6371] el0_svc_common+0x138/0x258 [ 218.768141][ T6371] do_el0_svc+0x58/0x13c [ 218.768847][ T6371] el0_svc+0x78/0x1d0 [ 218.769408][ T6371] el0t_64_sync_handler+0xcc/0xe4 [ 218.770178][ T6371] el0t_64_sync+0x1a0/0x1a4 [ 218.772720][ T6371] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.774741][ T6371] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.947349][ T6373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.948514][ T6373] CPU: 1 PID: 6373 Comm: syz.1.659 Not tainted syzkaller #0 [ 218.949595][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.951081][ T6373] Call trace: [ 218.951529][ T6373] dump_backtrace+0x0/0x458 [ 218.952182][ T6373] show_stack+0x2c/0x3c [ 218.952766][ T6373] __dump_stack+0x30/0x40 [ 218.953418][ T6373] dump_stack_lvl+0xf4/0x15c [ 218.954064][ T6373] dump_stack+0x1c/0x5c [ 218.954719][ T6373] sysfs_create_dir_ns+0x244/0x264 [ 218.955442][ T6373] kobject_add_internal+0x5ac/0xc3c [ 218.956150][ T6373] kobject_init_and_add+0x124/0x190 [ 218.956901][ T6373] gfs2_sys_fs_add+0x200/0x41c [ 218.957703][ T6373] gfs2_fill_super+0xddc/0x1a18 [ 218.958401][ T6373] get_tree_bdev+0x358/0x544 [ 218.959068][ T6373] gfs2_get_tree+0x54/0x1b4 [ 218.959757][ T6373] vfs_get_tree+0x90/0x274 [ 218.960374][ T6373] do_new_mount+0x228/0x810 [ 218.961040][ T6373] path_mount+0x5bc/0x1008 [ 218.961670][ T6373] __arm64_sys_mount+0x514/0x5f0 [ 218.962395][ T6373] invoke_syscall+0x98/0x2b0 [ 218.963081][ T6373] el0_svc_common+0x138/0x258 [ 218.963772][ T6373] do_el0_svc+0x58/0x13c [ 218.964407][ T6373] el0_svc+0x78/0x1d0 [ 218.965009][ T6373] el0t_64_sync_handler+0xcc/0xe4 [ 218.965695][ T6373] el0t_64_sync+0x1a0/0x1a4 [ 218.967825][ T6373] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.969824][ T6373] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.170471][ T6375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.171594][ T6375] CPU: 0 PID: 6375 Comm: syz.1.660 Not tainted syzkaller #0 [ 219.172637][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.174060][ T6375] Call trace: [ 219.174533][ T6375] dump_backtrace+0x0/0x458 [ 219.175249][ T6375] show_stack+0x2c/0x3c [ 219.175854][ T6375] __dump_stack+0x30/0x40 [ 219.176494][ T6375] dump_stack_lvl+0xf4/0x15c [ 219.177170][ T6375] dump_stack+0x1c/0x5c [ 219.177787][ T6375] sysfs_create_dir_ns+0x244/0x264 [ 219.178553][ T6375] kobject_add_internal+0x5ac/0xc3c [ 219.179309][ T6375] kobject_init_and_add+0x124/0x190 [ 219.180145][ T6375] gfs2_sys_fs_add+0x200/0x41c [ 219.180832][ T6375] gfs2_fill_super+0xddc/0x1a18 [ 219.181496][ T6375] get_tree_bdev+0x358/0x544 [ 219.182170][ T6375] gfs2_get_tree+0x54/0x1b4 [ 219.182847][ T6375] vfs_get_tree+0x90/0x274 [ 219.183514][ T6375] do_new_mount+0x228/0x810 [ 219.184194][ T6375] path_mount+0x5bc/0x1008 [ 219.184860][ T6375] __arm64_sys_mount+0x514/0x5f0 [ 219.185706][ T6375] invoke_syscall+0x98/0x2b0 [ 219.186475][ T6375] el0_svc_common+0x138/0x258 [ 219.187272][ T6375] do_el0_svc+0x58/0x13c [ 219.187968][ T6375] el0_svc+0x78/0x1d0 [ 219.188603][ T6375] el0t_64_sync_handler+0xcc/0xe4 [ 219.189358][ T6375] el0t_64_sync+0x1a0/0x1a4 [ 219.191753][ T6375] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.193708][ T6375] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.331007][ T6377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.332156][ T6377] CPU: 1 PID: 6377 Comm: syz.1.661 Not tainted syzkaller #0 [ 219.333194][ T6377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.334533][ T6377] Call trace: [ 219.334951][ T6377] dump_backtrace+0x0/0x458 [ 219.335579][ T6377] show_stack+0x2c/0x3c [ 219.336188][ T6377] __dump_stack+0x30/0x40 [ 219.336897][ T6377] dump_stack_lvl+0xf4/0x15c [ 219.337584][ T6377] dump_stack+0x1c/0x5c [ 219.338202][ T6377] sysfs_create_dir_ns+0x244/0x264 [ 219.338955][ T6377] kobject_add_internal+0x5ac/0xc3c [ 219.339761][ T6377] kobject_init_and_add+0x124/0x190 [ 219.340566][ T6377] gfs2_sys_fs_add+0x200/0x41c [ 219.341296][ T6377] gfs2_fill_super+0xddc/0x1a18 [ 219.342025][ T6377] get_tree_bdev+0x358/0x544 [ 219.342721][ T6377] gfs2_get_tree+0x54/0x1b4 [ 219.343368][ T6377] vfs_get_tree+0x90/0x274 [ 219.344020][ T6377] do_new_mount+0x228/0x810 [ 219.344686][ T6377] path_mount+0x5bc/0x1008 [ 219.345337][ T6377] __arm64_sys_mount+0x514/0x5f0 [ 219.346096][ T6377] invoke_syscall+0x98/0x2b0 [ 219.346825][ T6377] el0_svc_common+0x138/0x258 [ 219.347482][ T6377] do_el0_svc+0x58/0x13c [ 219.348062][ T6377] el0_svc+0x78/0x1d0 [ 219.348652][ T6377] el0t_64_sync_handler+0xcc/0xe4 [ 219.349381][ T6377] el0t_64_sync+0x1a0/0x1a4 [ 219.351918][ T6377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.353930][ T6377] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.490317][ T6379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.491612][ T6379] CPU: 0 PID: 6379 Comm: syz.1.662 Not tainted syzkaller #0 [ 219.492769][ T6379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.494338][ T6379] Call trace: [ 219.494883][ T6379] dump_backtrace+0x0/0x458 [ 219.495596][ T6379] show_stack+0x2c/0x3c [ 219.496273][ T6379] __dump_stack+0x30/0x40 [ 219.497048][ T6379] dump_stack_lvl+0xf4/0x15c [ 219.497812][ T6379] dump_stack+0x1c/0x5c [ 219.498546][ T6379] sysfs_create_dir_ns+0x244/0x264 [ 219.499361][ T6379] kobject_add_internal+0x5ac/0xc3c [ 219.500246][ T6379] kobject_init_and_add+0x124/0x190 [ 219.501073][ T6379] gfs2_sys_fs_add+0x200/0x41c [ 219.501834][ T6379] gfs2_fill_super+0xddc/0x1a18 [ 219.502557][ T6379] get_tree_bdev+0x358/0x544 [ 219.503232][ T6379] gfs2_get_tree+0x54/0x1b4 [ 219.503920][ T6379] vfs_get_tree+0x90/0x274 [ 219.504597][ T6379] do_new_mount+0x228/0x810 [ 219.505243][ T6379] path_mount+0x5bc/0x1008 [ 219.505906][ T6379] __arm64_sys_mount+0x514/0x5f0 [ 219.506612][ T6379] invoke_syscall+0x98/0x2b0 [ 219.507276][ T6379] el0_svc_common+0x138/0x258 [ 219.507983][ T6379] do_el0_svc+0x58/0x13c [ 219.508551][ T6379] el0_svc+0x78/0x1d0 [ 219.509143][ T6379] el0t_64_sync_handler+0xcc/0xe4 [ 219.509907][ T6379] el0t_64_sync+0x1a0/0x1a4 [ 219.510710][ T6379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.512607][ T6379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.648497][ T6381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.649742][ T6381] CPU: 0 PID: 6381 Comm: syz.1.663 Not tainted syzkaller #0 [ 219.650867][ T6381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.652540][ T6381] Call trace: [ 219.652997][ T6381] dump_backtrace+0x0/0x458 [ 219.653717][ T6381] show_stack+0x2c/0x3c [ 219.654360][ T6381] __dump_stack+0x30/0x40 [ 219.655103][ T6381] dump_stack_lvl+0xf4/0x15c [ 219.655813][ T6381] dump_stack+0x1c/0x5c [ 219.656516][ T6381] sysfs_create_dir_ns+0x244/0x264 [ 219.657298][ T6381] kobject_add_internal+0x5ac/0xc3c [ 219.658118][ T6381] kobject_init_and_add+0x124/0x190 [ 219.658927][ T6381] gfs2_sys_fs_add+0x200/0x41c [ 219.659696][ T6381] gfs2_fill_super+0xddc/0x1a18 [ 219.660514][ T6381] get_tree_bdev+0x358/0x544 [ 219.661221][ T6381] gfs2_get_tree+0x54/0x1b4 [ 219.661949][ T6381] vfs_get_tree+0x90/0x274 [ 219.662640][ T6381] do_new_mount+0x228/0x810 [ 219.663291][ T6381] path_mount+0x5bc/0x1008 [ 219.663994][ T6381] __arm64_sys_mount+0x514/0x5f0 [ 219.664680][ T6381] invoke_syscall+0x98/0x2b0 [ 219.665394][ T6381] el0_svc_common+0x138/0x258 [ 219.666123][ T6381] do_el0_svc+0x58/0x13c [ 219.666804][ T6381] el0_svc+0x78/0x1d0 [ 219.667412][ T6381] el0t_64_sync_handler+0xcc/0xe4 [ 219.668167][ T6381] el0t_64_sync+0x1a0/0x1a4 [ 219.669174][ T6381] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.671074][ T6381] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.812717][ T6383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.813959][ T6383] CPU: 1 PID: 6383 Comm: syz.1.664 Not tainted syzkaller #0 [ 219.815160][ T6383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.816655][ T6383] Call trace: [ 219.817105][ T6383] dump_backtrace+0x0/0x458 [ 219.817757][ T6383] show_stack+0x2c/0x3c [ 219.818346][ T6383] __dump_stack+0x30/0x40 [ 219.819043][ T6383] dump_stack_lvl+0xf4/0x15c [ 219.819704][ T6383] dump_stack+0x1c/0x5c [ 219.820307][ T6383] sysfs_create_dir_ns+0x244/0x264 [ 219.821123][ T6383] kobject_add_internal+0x5ac/0xc3c [ 219.821961][ T6383] kobject_init_and_add+0x124/0x190 [ 219.822817][ T6383] gfs2_sys_fs_add+0x200/0x41c [ 219.823510][ T6383] gfs2_fill_super+0xddc/0x1a18 [ 219.824260][ T6383] get_tree_bdev+0x358/0x544 [ 219.824921][ T6383] gfs2_get_tree+0x54/0x1b4 [ 219.825595][ T6383] vfs_get_tree+0x90/0x274 [ 219.826274][ T6383] do_new_mount+0x228/0x810 [ 219.826913][ T6383] path_mount+0x5bc/0x1008 [ 219.827605][ T6383] __arm64_sys_mount+0x514/0x5f0 [ 219.828391][ T6383] invoke_syscall+0x98/0x2b0 [ 219.829095][ T6383] el0_svc_common+0x138/0x258 [ 219.829791][ T6383] do_el0_svc+0x58/0x13c [ 219.830394][ T6383] el0_svc+0x78/0x1d0 [ 219.830947][ T6383] el0t_64_sync_handler+0xcc/0xe4 [ 219.831679][ T6383] el0t_64_sync+0x1a0/0x1a4 [ 219.833808][ T6383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.835784][ T6383] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.046911][ T6385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.048091][ T6385] CPU: 0 PID: 6385 Comm: syz.1.665 Not tainted syzkaller #0 [ 220.049280][ T6385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.050875][ T6385] Call trace: [ 220.051369][ T6385] dump_backtrace+0x0/0x458 [ 220.052076][ T6385] show_stack+0x2c/0x3c [ 220.052741][ T6385] __dump_stack+0x30/0x40 [ 220.053391][ T6385] dump_stack_lvl+0xf4/0x15c [ 220.054070][ T6385] dump_stack+0x1c/0x5c [ 220.054723][ T6385] sysfs_create_dir_ns+0x244/0x264 [ 220.055460][ T6385] kobject_add_internal+0x5ac/0xc3c [ 220.056223][ T6385] kobject_init_and_add+0x124/0x190 [ 220.056984][ T6385] gfs2_sys_fs_add+0x200/0x41c [ 220.057651][ T6385] gfs2_fill_super+0xddc/0x1a18 [ 220.058381][ T6385] get_tree_bdev+0x358/0x544 [ 220.059066][ T6385] gfs2_get_tree+0x54/0x1b4 [ 220.059755][ T6385] vfs_get_tree+0x90/0x274 [ 220.060406][ T6385] do_new_mount+0x228/0x810 [ 220.061142][ T6385] path_mount+0x5bc/0x1008 [ 220.061783][ T6385] __arm64_sys_mount+0x514/0x5f0 [ 220.062510][ T6385] invoke_syscall+0x98/0x2b0 [ 220.063179][ T6385] el0_svc_common+0x138/0x258 [ 220.063871][ T6385] do_el0_svc+0x58/0x13c [ 220.064541][ T6385] el0_svc+0x78/0x1d0 [ 220.065133][ T6385] el0t_64_sync_handler+0xcc/0xe4 [ 220.065891][ T6385] el0t_64_sync+0x1a0/0x1a4 [ 220.068185][ T6385] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.070150][ T6385] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 653 [ 220.199607][ T6387] set_capacity_and_notify: 17 callbacks suppressed [ 220.199617][ T6387] loop1: detected capacity change from 0 to 32768 [ 220.209314][ T6387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.210478][ T6387] CPU: 1 PID: 6387 Comm: syz.1.666 Not tainted syzkaller #0 [ 220.211513][ T6387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.212934][ T6387] Call trace: [ 220.213421][ T6387] dump_backtrace+0x0/0x458 [ 220.214086][ T6387] show_stack+0x2c/0x3c [ 220.214720][ T6387] __dump_stack+0x30/0x40 [ 220.215363][ T6387] dump_stack_lvl+0xf4/0x15c [ 220.216006][ T6387] dump_stack+0x1c/0x5c [ 220.216646][ T6387] sysfs_create_dir_ns+0x244/0x264 [ 220.217411][ T6387] kobject_add_internal+0x5ac/0xc3c [ 220.218214][ T6387] kobject_init_and_add+0x124/0x190 [ 220.219028][ T6387] gfs2_sys_fs_add+0x200/0x41c [ 220.219762][ T6387] gfs2_fill_super+0xddc/0x1a18 [ 220.220544][ T6387] get_tree_bdev+0x358/0x544 [ 220.221208][ T6387] gfs2_get_tree+0x54/0x1b4 [ 220.221878][ T6387] vfs_get_tree+0x90/0x274 [ 220.222494][ T6387] do_new_mount+0x228/0x810 [ 220.223145][ T6387] path_mount+0x5bc/0x1008 [ 220.223780][ T6387] __arm64_sys_mount+0x514/0x5f0 [ 220.224518][ T6387] invoke_syscall+0x98/0x2b0 [ 220.225202][ T6387] el0_svc_common+0x138/0x258 [ 220.225868][ T6387] do_el0_svc+0x58/0x13c [ 220.226495][ T6387] el0_svc+0x78/0x1d0 [ 220.227087][ T6387] el0t_64_sync_handler+0xcc/0xe4 [ 220.227856][ T6387] el0t_64_sync+0x1a0/0x1a4 [ 220.229845][ T6387] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.231683][ T6387] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.369472][ T6389] loop1: detected capacity change from 0 to 32768 [ 220.377259][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.378488][ T6389] CPU: 0 PID: 6389 Comm: syz.1.667 Not tainted syzkaller #0 [ 220.379641][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.381176][ T6389] Call trace: [ 220.381691][ T6389] dump_backtrace+0x0/0x458 [ 220.382338][ T6389] show_stack+0x2c/0x3c [ 220.382985][ T6389] __dump_stack+0x30/0x40 [ 220.383614][ T6389] dump_stack_lvl+0xf4/0x15c [ 220.384312][ T6389] dump_stack+0x1c/0x5c [ 220.384976][ T6389] sysfs_create_dir_ns+0x244/0x264 [ 220.385743][ T6389] kobject_add_internal+0x5ac/0xc3c [ 220.386571][ T6389] kobject_init_and_add+0x124/0x190 [ 220.387360][ T6389] gfs2_sys_fs_add+0x200/0x41c [ 220.388062][ T6389] gfs2_fill_super+0xddc/0x1a18 [ 220.388794][ T6389] get_tree_bdev+0x358/0x544 [ 220.389499][ T6389] gfs2_get_tree+0x54/0x1b4 [ 220.390172][ T6389] vfs_get_tree+0x90/0x274 [ 220.390789][ T6389] do_new_mount+0x228/0x810 [ 220.391453][ T6389] path_mount+0x5bc/0x1008 [ 220.392096][ T6389] __arm64_sys_mount+0x514/0x5f0 [ 220.392813][ T6389] invoke_syscall+0x98/0x2b0 [ 220.393448][ T6389] el0_svc_common+0x138/0x258 [ 220.394135][ T6389] do_el0_svc+0x58/0x13c [ 220.394795][ T6389] el0_svc+0x78/0x1d0 [ 220.395377][ T6389] el0t_64_sync_handler+0xcc/0xe4 [ 220.396147][ T6389] el0t_64_sync+0x1a0/0x1a4 [ 220.397259][ T6389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.399280][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.526795][ T6391] loop1: detected capacity change from 0 to 32768 [ 220.577267][ T6391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.578516][ T6391] CPU: 1 PID: 6391 Comm: syz.1.668 Not tainted syzkaller #0 [ 220.579630][ T6391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.581075][ T6391] Call trace: [ 220.581557][ T6391] dump_backtrace+0x0/0x458 [ 220.582190][ T6391] show_stack+0x2c/0x3c [ 220.582844][ T6391] __dump_stack+0x30/0x40 [ 220.583456][ T6391] dump_stack_lvl+0xf4/0x15c [ 220.584078][ T6391] dump_stack+0x1c/0x5c [ 220.584649][ T6391] sysfs_create_dir_ns+0x244/0x264 [ 220.585409][ T6391] kobject_add_internal+0x5ac/0xc3c [ 220.586244][ T6391] kobject_init_and_add+0x124/0x190 [ 220.587058][ T6391] gfs2_sys_fs_add+0x200/0x41c [ 220.587781][ T6391] gfs2_fill_super+0xddc/0x1a18 [ 220.588528][ T6391] get_tree_bdev+0x358/0x544 [ 220.589287][ T6391] gfs2_get_tree+0x54/0x1b4 [ 220.589993][ T6391] vfs_get_tree+0x90/0x274 [ 220.590612][ T6391] do_new_mount+0x228/0x810 [ 220.591260][ T6391] path_mount+0x5bc/0x1008 [ 220.591898][ T6391] __arm64_sys_mount+0x514/0x5f0 [ 220.592647][ T6391] invoke_syscall+0x98/0x2b0 [ 220.593350][ T6391] el0_svc_common+0x138/0x258 [ 220.594043][ T6391] do_el0_svc+0x58/0x13c [ 220.594630][ T6391] el0_svc+0x78/0x1d0 [ 220.595229][ T6391] el0t_64_sync_handler+0xcc/0xe4 [ 220.595959][ T6391] el0t_64_sync+0x1a0/0x1a4 [ 220.598128][ T6391] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.599984][ T6391] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.737079][ T6393] loop1: detected capacity change from 0 to 32768 [ 220.782595][ T6393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.783713][ T6393] CPU: 1 PID: 6393 Comm: syz.1.669 Not tainted syzkaller #0 [ 220.784751][ T6393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.786112][ T6393] Call trace: [ 220.786536][ T6393] dump_backtrace+0x0/0x458 [ 220.787188][ T6393] show_stack+0x2c/0x3c [ 220.787847][ T6393] __dump_stack+0x30/0x40 [ 220.788470][ T6393] dump_stack_lvl+0xf4/0x15c [ 220.789148][ T6393] dump_stack+0x1c/0x5c [ 220.789741][ T6393] sysfs_create_dir_ns+0x244/0x264 [ 220.790485][ T6393] kobject_add_internal+0x5ac/0xc3c [ 220.791240][ T6393] kobject_init_and_add+0x124/0x190 [ 220.791973][ T6393] gfs2_sys_fs_add+0x200/0x41c [ 220.792688][ T6393] gfs2_fill_super+0xddc/0x1a18 [ 220.793423][ T6393] get_tree_bdev+0x358/0x544 [ 220.794161][ T6393] gfs2_get_tree+0x54/0x1b4 [ 220.794869][ T6393] vfs_get_tree+0x90/0x274 [ 220.795532][ T6393] do_new_mount+0x228/0x810 [ 220.796183][ T6393] path_mount+0x5bc/0x1008 [ 220.796858][ T6393] __arm64_sys_mount+0x514/0x5f0 [ 220.797580][ T6393] invoke_syscall+0x98/0x2b0 [ 220.798274][ T6393] el0_svc_common+0x138/0x258 [ 220.799031][ T6393] do_el0_svc+0x58/0x13c [ 220.799671][ T6393] el0_svc+0x78/0x1d0 [ 220.800242][ T6393] el0t_64_sync_handler+0xcc/0xe4 [ 220.800956][ T6393] el0t_64_sync+0x1a0/0x1a4 [ 220.803106][ T6393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.805011][ T6393] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.941885][ T6395] loop1: detected capacity change from 0 to 32768 [ 220.980922][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.982042][ T6395] CPU: 0 PID: 6395 Comm: syz.1.670 Not tainted syzkaller #0 [ 220.983126][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.984685][ T6395] Call trace: [ 220.985212][ T6395] dump_backtrace+0x0/0x458 [ 220.985929][ T6395] show_stack+0x2c/0x3c [ 220.986630][ T6395] __dump_stack+0x30/0x40 [ 220.987254][ T6395] dump_stack_lvl+0xf4/0x15c [ 220.987923][ T6395] dump_stack+0x1c/0x5c [ 220.988527][ T6395] sysfs_create_dir_ns+0x244/0x264 [ 220.989359][ T6395] kobject_add_internal+0x5ac/0xc3c [ 220.990120][ T6395] kobject_init_and_add+0x124/0x190 [ 220.990913][ T6395] gfs2_sys_fs_add+0x200/0x41c [ 220.991632][ T6395] gfs2_fill_super+0xddc/0x1a18 [ 220.992296][ T6395] get_tree_bdev+0x358/0x544 [ 220.992991][ T6395] gfs2_get_tree+0x54/0x1b4 [ 220.993649][ T6395] vfs_get_tree+0x90/0x274 [ 220.994306][ T6395] do_new_mount+0x228/0x810 [ 220.994987][ T6395] path_mount+0x5bc/0x1008 [ 220.995659][ T6395] __arm64_sys_mount+0x514/0x5f0 [ 220.996396][ T6395] invoke_syscall+0x98/0x2b0 [ 220.997080][ T6395] el0_svc_common+0x138/0x258 [ 220.998056][ T6395] do_el0_svc+0x58/0x13c [ 220.998673][ T6395] el0_svc+0x78/0x1d0 [ 220.999230][ T6395] el0t_64_sync_handler+0xcc/0xe4 [ 221.000004][ T6395] el0t_64_sync+0x1a0/0x1a4 [ 221.001026][ T6395] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.003248][ T6395] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.130812][ T6397] loop1: detected capacity change from 0 to 32768 [ 221.187358][ T6397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.188552][ T6397] CPU: 1 PID: 6397 Comm: syz.1.671 Not tainted syzkaller #0 [ 221.189652][ T6397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.191098][ T6397] Call trace: [ 221.191580][ T6397] dump_backtrace+0x0/0x458 [ 221.192251][ T6397] show_stack+0x2c/0x3c [ 221.192862][ T6397] __dump_stack+0x30/0x40 [ 221.193441][ T6397] dump_stack_lvl+0xf4/0x15c [ 221.194072][ T6397] dump_stack+0x1c/0x5c [ 221.194704][ T6397] sysfs_create_dir_ns+0x244/0x264 [ 221.195417][ T6397] kobject_add_internal+0x5ac/0xc3c [ 221.196179][ T6397] kobject_init_and_add+0x124/0x190 [ 221.196952][ T6397] gfs2_sys_fs_add+0x200/0x41c [ 221.197645][ T6397] gfs2_fill_super+0xddc/0x1a18 [ 221.198346][ T6397] get_tree_bdev+0x358/0x544 [ 221.199071][ T6397] gfs2_get_tree+0x54/0x1b4 [ 221.199719][ T6397] vfs_get_tree+0x90/0x274 [ 221.200347][ T6397] do_new_mount+0x228/0x810 [ 221.200996][ T6397] path_mount+0x5bc/0x1008 [ 221.201673][ T6397] __arm64_sys_mount+0x514/0x5f0 [ 221.202391][ T6397] invoke_syscall+0x98/0x2b0 [ 221.203079][ T6397] el0_svc_common+0x138/0x258 [ 221.203723][ T6397] do_el0_svc+0x58/0x13c [ 221.204363][ T6397] el0_svc+0x78/0x1d0 [ 221.204948][ T6397] el0t_64_sync_handler+0xcc/0xe4 [ 221.205767][ T6397] el0t_64_sync+0x1a0/0x1a4 [ 221.208627][ T6397] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.210673][ T6397] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.337176][ T6399] loop1: detected capacity change from 0 to 32768 [ 221.420893][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.422090][ T6399] CPU: 1 PID: 6399 Comm: syz.1.672 Not tainted syzkaller #0 [ 221.423182][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.424631][ T6399] Call trace: [ 221.425023][ T6399] dump_backtrace+0x0/0x458 [ 221.425650][ T6399] show_stack+0x2c/0x3c [ 221.426256][ T6399] __dump_stack+0x30/0x40 [ 221.426915][ T6399] dump_stack_lvl+0xf4/0x15c [ 221.427613][ T6399] dump_stack+0x1c/0x5c [ 221.428177][ T6399] sysfs_create_dir_ns+0x244/0x264 [ 221.428932][ T6399] kobject_add_internal+0x5ac/0xc3c [ 221.429687][ T6399] kobject_init_and_add+0x124/0x190 [ 221.430489][ T6399] gfs2_sys_fs_add+0x200/0x41c [ 221.431149][ T6399] gfs2_fill_super+0xddc/0x1a18 [ 221.431884][ T6399] get_tree_bdev+0x358/0x544 [ 221.432546][ T6399] gfs2_get_tree+0x54/0x1b4 [ 221.433189][ T6399] vfs_get_tree+0x90/0x274 [ 221.433796][ T6399] do_new_mount+0x228/0x810 [ 221.434479][ T6399] path_mount+0x5bc/0x1008 [ 221.435177][ T6399] __arm64_sys_mount+0x514/0x5f0 [ 221.435839][ T6399] invoke_syscall+0x98/0x2b0 [ 221.436536][ T6399] el0_svc_common+0x138/0x258 [ 221.437209][ T6399] do_el0_svc+0x58/0x13c [ 221.437818][ T6399] el0_svc+0x78/0x1d0 [ 221.438381][ T6399] el0t_64_sync_handler+0xcc/0xe4 [ 221.439117][ T6399] el0t_64_sync+0x1a0/0x1a4 [ 221.441401][ T6399] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.443329][ T6399] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.571838][ T6401] loop1: detected capacity change from 0 to 32768 [ 221.617265][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.618448][ T6401] CPU: 1 PID: 6401 Comm: syz.1.673 Not tainted syzkaller #0 [ 221.619592][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.620983][ T6401] Call trace: [ 221.621420][ T6401] dump_backtrace+0x0/0x458 [ 221.622058][ T6401] show_stack+0x2c/0x3c [ 221.622604][ T6401] __dump_stack+0x30/0x40 [ 221.623272][ T6401] dump_stack_lvl+0xf4/0x15c [ 221.623974][ T6401] dump_stack+0x1c/0x5c [ 221.624568][ T6401] sysfs_create_dir_ns+0x244/0x264 [ 221.625330][ T6401] kobject_add_internal+0x5ac/0xc3c [ 221.626051][ T6401] kobject_init_and_add+0x124/0x190 [ 221.626825][ T6401] gfs2_sys_fs_add+0x200/0x41c [ 221.627533][ T6401] gfs2_fill_super+0xddc/0x1a18 [ 221.628223][ T6401] get_tree_bdev+0x358/0x544 [ 221.628926][ T6401] gfs2_get_tree+0x54/0x1b4 [ 221.629587][ T6401] vfs_get_tree+0x90/0x274 [ 221.630249][ T6401] do_new_mount+0x228/0x810 [ 221.630923][ T6401] path_mount+0x5bc/0x1008 [ 221.631572][ T6401] __arm64_sys_mount+0x514/0x5f0 [ 221.632305][ T6401] invoke_syscall+0x98/0x2b0 [ 221.632947][ T6401] el0_svc_common+0x138/0x258 [ 221.633591][ T6401] do_el0_svc+0x58/0x13c [ 221.634250][ T6401] el0_svc+0x78/0x1d0 [ 221.634898][ T6401] el0t_64_sync_handler+0xcc/0xe4 [ 221.635650][ T6401] el0t_64_sync+0x1a0/0x1a4 [ 221.636888][ T6401] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.638887][ T6401] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.764933][ T6403] loop1: detected capacity change from 0 to 32768 [ 221.810972][ T6403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.812137][ T6403] CPU: 1 PID: 6403 Comm: syz.1.674 Not tainted syzkaller #0 [ 221.813084][ T6403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.814591][ T6403] Call trace: [ 221.815068][ T6403] dump_backtrace+0x0/0x458 [ 221.815754][ T6403] show_stack+0x2c/0x3c [ 221.816371][ T6403] __dump_stack+0x30/0x40 [ 221.817050][ T6403] dump_stack_lvl+0xf4/0x15c [ 221.817717][ T6403] dump_stack+0x1c/0x5c [ 221.818349][ T6403] sysfs_create_dir_ns+0x244/0x264 [ 221.819148][ T6403] kobject_add_internal+0x5ac/0xc3c [ 221.819882][ T6403] kobject_init_and_add+0x124/0x190 [ 221.820655][ T6403] gfs2_sys_fs_add+0x200/0x41c [ 221.821391][ T6403] gfs2_fill_super+0xddc/0x1a18 [ 221.822114][ T6403] get_tree_bdev+0x358/0x544 [ 221.822829][ T6403] gfs2_get_tree+0x54/0x1b4 [ 221.823444][ T6403] vfs_get_tree+0x90/0x274 [ 221.824098][ T6403] do_new_mount+0x228/0x810 [ 221.824727][ T6403] path_mount+0x5bc/0x1008 [ 221.825358][ T6403] __arm64_sys_mount+0x514/0x5f0 [ 221.826104][ T6403] invoke_syscall+0x98/0x2b0 [ 221.826744][ T6403] el0_svc_common+0x138/0x258 [ 221.827443][ T6403] do_el0_svc+0x58/0x13c [ 221.828147][ T6403] el0_svc+0x78/0x1d0 [ 221.828711][ T6403] el0t_64_sync_handler+0xcc/0xe4 [ 221.829487][ T6403] el0t_64_sync+0x1a0/0x1a4 [ 221.831613][ T6403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.833698][ T6403] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.963115][ T6405] loop1: detected capacity change from 0 to 32768 [ 222.002428][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.003593][ T6405] CPU: 1 PID: 6405 Comm: syz.1.675 Not tainted syzkaller #0 [ 222.004684][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.006267][ T6405] Call trace: [ 222.006713][ T6405] dump_backtrace+0x0/0x458 [ 222.007385][ T6405] show_stack+0x2c/0x3c [ 222.008088][ T6405] __dump_stack+0x30/0x40 [ 222.008829][ T6405] dump_stack_lvl+0xf4/0x15c [ 222.009597][ T6405] dump_stack+0x1c/0x5c [ 222.010203][ T6405] sysfs_create_dir_ns+0x244/0x264 [ 222.011042][ T6405] kobject_add_internal+0x5ac/0xc3c [ 222.011800][ T6405] kobject_init_and_add+0x124/0x190 [ 222.012548][ T6405] gfs2_sys_fs_add+0x200/0x41c [ 222.013232][ T6405] gfs2_fill_super+0xddc/0x1a18 [ 222.013949][ T6405] get_tree_bdev+0x358/0x544 [ 222.014630][ T6405] gfs2_get_tree+0x54/0x1b4 [ 222.015312][ T6405] vfs_get_tree+0x90/0x274 [ 222.015945][ T6405] do_new_mount+0x228/0x810 [ 222.016613][ T6405] path_mount+0x5bc/0x1008 [ 222.017257][ T6405] __arm64_sys_mount+0x514/0x5f0 [ 222.017949][ T6405] invoke_syscall+0x98/0x2b0 [ 222.018658][ T6405] el0_svc_common+0x138/0x258 [ 222.019339][ T6405] do_el0_svc+0x58/0x13c [ 222.019967][ T6405] el0_svc+0x78/0x1d0 [ 222.020545][ T6405] el0t_64_sync_handler+0xcc/0xe4 [ 222.021365][ T6405] el0t_64_sync+0x1a0/0x1a4 [ 222.023596][ T6405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.025541][ T6405] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.178410][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.179570][ T6407] CPU: 0 PID: 6407 Comm: syz.1.676 Not tainted syzkaller #0 [ 222.180690][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.182307][ T6407] Call trace: [ 222.182794][ T6407] dump_backtrace+0x0/0x458 [ 222.183507][ T6407] show_stack+0x2c/0x3c [ 222.184193][ T6407] __dump_stack+0x30/0x40 [ 222.184822][ T6407] dump_stack_lvl+0xf4/0x15c [ 222.185555][ T6407] dump_stack+0x1c/0x5c [ 222.186207][ T6407] sysfs_create_dir_ns+0x244/0x264 [ 222.186998][ T6407] kobject_add_internal+0x5ac/0xc3c [ 222.187784][ T6407] kobject_init_and_add+0x124/0x190 [ 222.188560][ T6407] gfs2_sys_fs_add+0x200/0x41c [ 222.189286][ T6407] gfs2_fill_super+0xddc/0x1a18 [ 222.190055][ T6407] get_tree_bdev+0x358/0x544 [ 222.190818][ T6407] gfs2_get_tree+0x54/0x1b4 [ 222.191468][ T6407] vfs_get_tree+0x90/0x274 [ 222.192161][ T6407] do_new_mount+0x228/0x810 [ 222.192823][ T6407] path_mount+0x5bc/0x1008 [ 222.193504][ T6407] __arm64_sys_mount+0x514/0x5f0 [ 222.194260][ T6407] invoke_syscall+0x98/0x2b0 [ 222.194921][ T6407] el0_svc_common+0x138/0x258 [ 222.195614][ T6407] do_el0_svc+0x58/0x13c [ 222.196218][ T6407] el0_svc+0x78/0x1d0 [ 222.196831][ T6407] el0t_64_sync_handler+0xcc/0xe4 [ 222.197529][ T6407] el0t_64_sync+0x1a0/0x1a4 [ 222.198493][ T6407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.200471][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.335583][ T6409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.336894][ T6409] CPU: 1 PID: 6409 Comm: syz.1.677 Not tainted syzkaller #0 [ 222.338012][ T6409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.339586][ T6409] Call trace: [ 222.340058][ T6409] dump_backtrace+0x0/0x458 [ 222.340715][ T6409] show_stack+0x2c/0x3c [ 222.341306][ T6409] __dump_stack+0x30/0x40 [ 222.341941][ T6409] dump_stack_lvl+0xf4/0x15c [ 222.342614][ T6409] dump_stack+0x1c/0x5c [ 222.343210][ T6409] sysfs_create_dir_ns+0x244/0x264 [ 222.344002][ T6409] kobject_add_internal+0x5ac/0xc3c [ 222.344799][ T6409] kobject_init_and_add+0x124/0x190 [ 222.345518][ T6409] gfs2_sys_fs_add+0x200/0x41c [ 222.346263][ T6409] gfs2_fill_super+0xddc/0x1a18 [ 222.347045][ T6409] get_tree_bdev+0x358/0x544 [ 222.347700][ T6409] gfs2_get_tree+0x54/0x1b4 [ 222.348338][ T6409] vfs_get_tree+0x90/0x274 [ 222.348993][ T6409] do_new_mount+0x228/0x810 [ 222.349662][ T6409] path_mount+0x5bc/0x1008 [ 222.350348][ T6409] __arm64_sys_mount+0x514/0x5f0 [ 222.351142][ T6409] invoke_syscall+0x98/0x2b0 [ 222.351887][ T6409] el0_svc_common+0x138/0x258 [ 222.352571][ T6409] do_el0_svc+0x58/0x13c [ 222.353191][ T6409] el0_svc+0x78/0x1d0 [ 222.353818][ T6409] el0t_64_sync_handler+0xcc/0xe4 [ 222.354546][ T6409] el0t_64_sync+0x1a0/0x1a4 [ 222.356599][ T6409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.358441][ T6409] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.495843][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.497483][ T6411] CPU: 0 PID: 6411 Comm: syz.1.678 Not tainted syzkaller #0 [ 222.498559][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.500145][ T6411] Call trace: [ 222.500638][ T6411] dump_backtrace+0x0/0x458 [ 222.501336][ T6411] show_stack+0x2c/0x3c [ 222.501970][ T6411] __dump_stack+0x30/0x40 [ 222.502686][ T6411] dump_stack_lvl+0xf4/0x15c [ 222.503475][ T6411] dump_stack+0x1c/0x5c [ 222.504166][ T6411] sysfs_create_dir_ns+0x244/0x264 [ 222.504976][ T6411] kobject_add_internal+0x5ac/0xc3c [ 222.505844][ T6411] kobject_init_and_add+0x124/0x190 [ 222.506679][ T6411] gfs2_sys_fs_add+0x200/0x41c [ 222.507415][ T6411] gfs2_fill_super+0xddc/0x1a18 [ 222.508171][ T6411] get_tree_bdev+0x358/0x544 [ 222.508860][ T6411] gfs2_get_tree+0x54/0x1b4 [ 222.509538][ T6411] vfs_get_tree+0x90/0x274 [ 222.510192][ T6411] do_new_mount+0x228/0x810 [ 222.510888][ T6411] path_mount+0x5bc/0x1008 [ 222.511532][ T6411] __arm64_sys_mount+0x514/0x5f0 [ 222.512265][ T6411] invoke_syscall+0x98/0x2b0 [ 222.512925][ T6411] el0_svc_common+0x138/0x258 [ 222.513636][ T6411] do_el0_svc+0x58/0x13c [ 222.514265][ T6411] el0_svc+0x78/0x1d0 [ 222.514844][ T6411] el0t_64_sync_handler+0xcc/0xe4 [ 222.515592][ T6411] el0t_64_sync+0x1a0/0x1a4 [ 222.516421][ T6411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.518550][ T6411] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.747105][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.748259][ T6413] CPU: 0 PID: 6413 Comm: syz.1.679 Not tainted syzkaller #0 [ 222.749371][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.750901][ T6413] Call trace: [ 222.751363][ T6413] dump_backtrace+0x0/0x458 [ 222.752086][ T6413] show_stack+0x2c/0x3c [ 222.752646][ T6413] __dump_stack+0x30/0x40 [ 222.753258][ T6413] dump_stack_lvl+0xf4/0x15c [ 222.753917][ T6413] dump_stack+0x1c/0x5c [ 222.754560][ T6413] sysfs_create_dir_ns+0x244/0x264 [ 222.755286][ T6413] kobject_add_internal+0x5ac/0xc3c [ 222.755990][ T6413] kobject_init_and_add+0x124/0x190 [ 222.756748][ T6413] gfs2_sys_fs_add+0x200/0x41c [ 222.757467][ T6413] gfs2_fill_super+0xddc/0x1a18 [ 222.758200][ T6413] get_tree_bdev+0x358/0x544 [ 222.758915][ T6413] gfs2_get_tree+0x54/0x1b4 [ 222.759607][ T6413] vfs_get_tree+0x90/0x274 [ 222.760314][ T6413] do_new_mount+0x228/0x810 [ 222.760998][ T6413] path_mount+0x5bc/0x1008 [ 222.761707][ T6413] __arm64_sys_mount+0x514/0x5f0 [ 222.762369][ T6413] invoke_syscall+0x98/0x2b0 [ 222.763019][ T6413] el0_svc_common+0x138/0x258 [ 222.763706][ T6413] do_el0_svc+0x58/0x13c [ 222.764361][ T6413] el0_svc+0x78/0x1d0 [ 222.764960][ T6413] el0t_64_sync_handler+0xcc/0xe4 [ 222.765741][ T6413] el0t_64_sync+0x1a0/0x1a4 [ 222.766580][ T6413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.768472][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.007992][ T6415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.009923][ T6415] CPU: 1 PID: 6415 Comm: syz.1.680 Not tainted syzkaller #0 [ 223.010992][ T6415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.012466][ T6415] Call trace: [ 223.012948][ T6415] dump_backtrace+0x0/0x458 [ 223.013597][ T6415] show_stack+0x2c/0x3c [ 223.014180][ T6415] __dump_stack+0x30/0x40 [ 223.014753][ T6415] dump_stack_lvl+0xf4/0x15c [ 223.015434][ T6415] dump_stack+0x1c/0x5c [ 223.015971][ T6415] sysfs_create_dir_ns+0x244/0x264 [ 223.016682][ T6415] kobject_add_internal+0x5ac/0xc3c [ 223.017485][ T6415] kobject_init_and_add+0x124/0x190 [ 223.018228][ T6415] gfs2_sys_fs_add+0x200/0x41c [ 223.018961][ T6415] gfs2_fill_super+0xddc/0x1a18 [ 223.019690][ T6415] get_tree_bdev+0x358/0x544 [ 223.020318][ T6415] gfs2_get_tree+0x54/0x1b4 [ 223.020990][ T6415] vfs_get_tree+0x90/0x274 [ 223.021647][ T6415] do_new_mount+0x228/0x810 [ 223.022300][ T6415] path_mount+0x5bc/0x1008 [ 223.022991][ T6415] __arm64_sys_mount+0x514/0x5f0 [ 223.023757][ T6415] invoke_syscall+0x98/0x2b0 [ 223.024461][ T6415] el0_svc_common+0x138/0x258 [ 223.025145][ T6415] do_el0_svc+0x58/0x13c [ 223.025743][ T6415] el0_svc+0x78/0x1d0 [ 223.026359][ T6415] el0t_64_sync_handler+0xcc/0xe4 [ 223.027054][ T6415] el0t_64_sync+0x1a0/0x1a4 [ 223.029264][ T6415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.031183][ T6415] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.257091][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.258302][ T6417] CPU: 1 PID: 6417 Comm: syz.1.681 Not tainted syzkaller #0 [ 223.259476][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.261041][ T6417] Call trace: [ 223.261539][ T6417] dump_backtrace+0x0/0x458 [ 223.262214][ T6417] show_stack+0x2c/0x3c [ 223.262893][ T6417] __dump_stack+0x30/0x40 [ 223.263528][ T6417] dump_stack_lvl+0xf4/0x15c [ 223.264192][ T6417] dump_stack+0x1c/0x5c [ 223.264799][ T6417] sysfs_create_dir_ns+0x244/0x264 [ 223.265523][ T6417] kobject_add_internal+0x5ac/0xc3c [ 223.266305][ T6417] kobject_init_and_add+0x124/0x190 [ 223.267128][ T6417] gfs2_sys_fs_add+0x200/0x41c [ 223.267844][ T6417] gfs2_fill_super+0xddc/0x1a18 [ 223.268546][ T6417] get_tree_bdev+0x358/0x544 [ 223.269356][ T6417] gfs2_get_tree+0x54/0x1b4 [ 223.270126][ T6417] vfs_get_tree+0x90/0x274 [ 223.270810][ T6417] do_new_mount+0x228/0x810 [ 223.271557][ T6417] path_mount+0x5bc/0x1008 [ 223.272298][ T6417] __arm64_sys_mount+0x514/0x5f0 [ 223.273029][ T6417] invoke_syscall+0x98/0x2b0 [ 223.273713][ T6417] el0_svc_common+0x138/0x258 [ 223.274355][ T6417] do_el0_svc+0x58/0x13c [ 223.274958][ T6417] el0_svc+0x78/0x1d0 [ 223.275569][ T6417] el0t_64_sync_handler+0xcc/0xe4 [ 223.276281][ T6417] el0t_64_sync+0x1a0/0x1a4 [ 223.280206][ T6417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.282129][ T6417] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.425049][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.426280][ T6419] CPU: 1 PID: 6419 Comm: syz.1.682 Not tainted syzkaller #0 [ 223.427361][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.428807][ T6419] Call trace: [ 223.429255][ T6419] dump_backtrace+0x0/0x458 [ 223.429898][ T6419] show_stack+0x2c/0x3c [ 223.430460][ T6419] __dump_stack+0x30/0x40 [ 223.431026][ T6419] dump_stack_lvl+0xf4/0x15c [ 223.431640][ T6419] dump_stack+0x1c/0x5c [ 223.432212][ T6419] sysfs_create_dir_ns+0x244/0x264 [ 223.432929][ T6419] kobject_add_internal+0x5ac/0xc3c [ 223.433678][ T6419] kobject_init_and_add+0x124/0x190 [ 223.434432][ T6419] gfs2_sys_fs_add+0x200/0x41c [ 223.435073][ T6419] gfs2_fill_super+0xddc/0x1a18 [ 223.435762][ T6419] get_tree_bdev+0x358/0x544 [ 223.436437][ T6419] gfs2_get_tree+0x54/0x1b4 [ 223.437184][ T6419] vfs_get_tree+0x90/0x274 [ 223.437840][ T6419] do_new_mount+0x228/0x810 [ 223.438545][ T6419] path_mount+0x5bc/0x1008 [ 223.439161][ T6419] __arm64_sys_mount+0x514/0x5f0 [ 223.439894][ T6419] invoke_syscall+0x98/0x2b0 [ 223.440532][ T6419] el0_svc_common+0x138/0x258 [ 223.441204][ T6419] do_el0_svc+0x58/0x13c [ 223.441847][ T6419] el0_svc+0x78/0x1d0 [ 223.442447][ T6419] el0t_64_sync_handler+0xcc/0xe4 [ 223.443161][ T6419] el0t_64_sync+0x1a0/0x1a4 [ 223.445700][ T6419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.447960][ T6419] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.584161][ T6421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.585292][ T6421] CPU: 1 PID: 6421 Comm: syz.1.683 Not tainted syzkaller #0 [ 223.586441][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.587995][ T6421] Call trace: [ 223.588484][ T6421] dump_backtrace+0x0/0x458 [ 223.589155][ T6421] show_stack+0x2c/0x3c [ 223.589700][ T6421] __dump_stack+0x30/0x40 [ 223.590322][ T6421] dump_stack_lvl+0xf4/0x15c [ 223.591000][ T6421] dump_stack+0x1c/0x5c [ 223.591549][ T6421] sysfs_create_dir_ns+0x244/0x264 [ 223.592329][ T6421] kobject_add_internal+0x5ac/0xc3c [ 223.593167][ T6421] kobject_init_and_add+0x124/0x190 [ 223.593902][ T6421] gfs2_sys_fs_add+0x200/0x41c [ 223.594656][ T6421] gfs2_fill_super+0xddc/0x1a18 [ 223.595377][ T6421] get_tree_bdev+0x358/0x544 [ 223.596089][ T6421] gfs2_get_tree+0x54/0x1b4 [ 223.596745][ T6421] vfs_get_tree+0x90/0x274 [ 223.597368][ T6421] do_new_mount+0x228/0x810 [ 223.598068][ T6421] path_mount+0x5bc/0x1008 [ 223.598710][ T6421] __arm64_sys_mount+0x514/0x5f0 [ 223.599453][ T6421] invoke_syscall+0x98/0x2b0 [ 223.600126][ T6421] el0_svc_common+0x138/0x258 [ 223.600812][ T6421] do_el0_svc+0x58/0x13c [ 223.601426][ T6421] el0_svc+0x78/0x1d0 [ 223.601991][ T6421] el0t_64_sync_handler+0xcc/0xe4 [ 223.602694][ T6421] el0t_64_sync+0x1a0/0x1a4 [ 223.604846][ T6421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.606930][ T6421] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.743980][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.745119][ T6423] CPU: 1 PID: 6423 Comm: syz.1.684 Not tainted syzkaller #0 [ 223.746214][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.747678][ T6423] Call trace: [ 223.748164][ T6423] dump_backtrace+0x0/0x458 [ 223.748827][ T6423] show_stack+0x2c/0x3c [ 223.749493][ T6423] __dump_stack+0x30/0x40 [ 223.750158][ T6423] dump_stack_lvl+0xf4/0x15c [ 223.750857][ T6423] dump_stack+0x1c/0x5c [ 223.751462][ T6423] sysfs_create_dir_ns+0x244/0x264 [ 223.752184][ T6423] kobject_add_internal+0x5ac/0xc3c [ 223.752932][ T6423] kobject_init_and_add+0x124/0x190 [ 223.753669][ T6423] gfs2_sys_fs_add+0x200/0x41c [ 223.754342][ T6423] gfs2_fill_super+0xddc/0x1a18 [ 223.755106][ T6423] get_tree_bdev+0x358/0x544 [ 223.755788][ T6423] gfs2_get_tree+0x54/0x1b4 [ 223.756420][ T6423] vfs_get_tree+0x90/0x274 [ 223.757099][ T6423] do_new_mount+0x228/0x810 [ 223.757765][ T6423] path_mount+0x5bc/0x1008 [ 223.758416][ T6423] __arm64_sys_mount+0x514/0x5f0 [ 223.759112][ T6423] invoke_syscall+0x98/0x2b0 [ 223.759808][ T6423] el0_svc_common+0x138/0x258 [ 223.760540][ T6423] do_el0_svc+0x58/0x13c [ 223.761148][ T6423] el0_svc+0x78/0x1d0 [ 223.761760][ T6423] el0t_64_sync_handler+0xcc/0xe4 [ 223.762459][ T6423] el0t_64_sync+0x1a0/0x1a4 [ 223.764727][ T6423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.767232][ T6423] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.907431][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.908830][ T6425] CPU: 0 PID: 6425 Comm: syz.1.685 Not tainted syzkaller #0 [ 223.909971][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.911524][ T6425] Call trace: [ 223.912047][ T6425] dump_backtrace+0x0/0x458 [ 223.912757][ T6425] show_stack+0x2c/0x3c [ 223.913381][ T6425] __dump_stack+0x30/0x40 [ 223.914080][ T6425] dump_stack_lvl+0xf4/0x15c [ 223.914840][ T6425] dump_stack+0x1c/0x5c [ 223.915511][ T6425] sysfs_create_dir_ns+0x244/0x264 [ 223.916307][ T6425] kobject_add_internal+0x5ac/0xc3c [ 223.917112][ T6425] kobject_init_and_add+0x124/0x190 [ 223.917842][ T6425] gfs2_sys_fs_add+0x200/0x41c [ 223.918630][ T6425] gfs2_fill_super+0xddc/0x1a18 [ 223.919435][ T6425] get_tree_bdev+0x358/0x544 [ 223.920145][ T6425] gfs2_get_tree+0x54/0x1b4 [ 223.920875][ T6425] vfs_get_tree+0x90/0x274 [ 223.921582][ T6425] do_new_mount+0x228/0x810 [ 223.922312][ T6425] path_mount+0x5bc/0x1008 [ 223.922947][ T6425] __arm64_sys_mount+0x514/0x5f0 [ 223.923679][ T6425] invoke_syscall+0x98/0x2b0 [ 223.924320][ T6425] el0_svc_common+0x138/0x258 [ 223.924971][ T6425] do_el0_svc+0x58/0x13c [ 223.925547][ T6425] el0_svc+0x78/0x1d0 [ 223.926145][ T6425] el0t_64_sync_handler+0xcc/0xe4 [ 223.926908][ T6425] el0t_64_sync+0x1a0/0x1a4 [ 223.927714][ T6425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.929781][ T6425] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.213501][ T6427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.214736][ T6427] CPU: 0 PID: 6427 Comm: syz.1.686 Not tainted syzkaller #0 [ 224.215860][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.217496][ T6427] Call trace: [ 224.218035][ T6427] dump_backtrace+0x0/0x458 [ 224.218736][ T6427] show_stack+0x2c/0x3c [ 224.219400][ T6427] __dump_stack+0x30/0x40 [ 224.220094][ T6427] dump_stack_lvl+0xf4/0x15c [ 224.220814][ T6427] dump_stack+0x1c/0x5c [ 224.221460][ T6427] sysfs_create_dir_ns+0x244/0x264 [ 224.222181][ T6427] kobject_add_internal+0x5ac/0xc3c [ 224.222946][ T6427] kobject_init_and_add+0x124/0x190 [ 224.223670][ T6427] gfs2_sys_fs_add+0x200/0x41c [ 224.224495][ T6427] gfs2_fill_super+0xddc/0x1a18 [ 224.225191][ T6427] get_tree_bdev+0x358/0x544 [ 224.225859][ T6427] gfs2_get_tree+0x54/0x1b4 [ 224.226476][ T6427] vfs_get_tree+0x90/0x274 [ 224.227136][ T6427] do_new_mount+0x228/0x810 [ 224.227824][ T6427] path_mount+0x5bc/0x1008 [ 224.228458][ T6427] __arm64_sys_mount+0x514/0x5f0 [ 224.229124][ T6427] invoke_syscall+0x98/0x2b0 [ 224.229788][ T6427] el0_svc_common+0x138/0x258 [ 224.230469][ T6427] do_el0_svc+0x58/0x13c [ 224.231107][ T6427] el0_svc+0x78/0x1d0 [ 224.231739][ T6427] el0t_64_sync_handler+0xcc/0xe4 [ 224.232471][ T6427] el0t_64_sync+0x1a0/0x1a4 [ 224.234488][ T6427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.237832][ T6427] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.427229][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.428410][ T6429] CPU: 1 PID: 6429 Comm: syz.1.687 Not tainted syzkaller #0 [ 224.429573][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.431070][ T6429] Call trace: [ 224.431487][ T6429] dump_backtrace+0x0/0x458 [ 224.432071][ T6429] show_stack+0x2c/0x3c [ 224.432659][ T6429] __dump_stack+0x30/0x40 [ 224.433265][ T6429] dump_stack_lvl+0xf4/0x15c [ 224.433857][ T6429] dump_stack+0x1c/0x5c [ 224.434443][ T6429] sysfs_create_dir_ns+0x244/0x264 [ 224.435170][ T6429] kobject_add_internal+0x5ac/0xc3c [ 224.435920][ T6429] kobject_init_and_add+0x124/0x190 [ 224.436712][ T6429] gfs2_sys_fs_add+0x200/0x41c [ 224.437424][ T6429] gfs2_fill_super+0xddc/0x1a18 [ 224.438180][ T6429] get_tree_bdev+0x358/0x544 [ 224.438856][ T6429] gfs2_get_tree+0x54/0x1b4 [ 224.439561][ T6429] vfs_get_tree+0x90/0x274 [ 224.440226][ T6429] do_new_mount+0x228/0x810 [ 224.440916][ T6429] path_mount+0x5bc/0x1008 [ 224.441519][ T6429] __arm64_sys_mount+0x514/0x5f0 [ 224.442197][ T6429] invoke_syscall+0x98/0x2b0 [ 224.442889][ T6429] el0_svc_common+0x138/0x258 [ 224.443618][ T6429] do_el0_svc+0x58/0x13c [ 224.444182][ T6429] el0_svc+0x78/0x1d0 [ 224.444787][ T6429] el0t_64_sync_handler+0xcc/0xe4 [ 224.445576][ T6429] el0t_64_sync+0x1a0/0x1a4 [ 224.448025][ T6429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.449954][ T6429] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.696923][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.698109][ T6431] CPU: 0 PID: 6431 Comm: syz.1.688 Not tainted syzkaller #0 [ 224.699136][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.700679][ T6431] Call trace: [ 224.701160][ T6431] dump_backtrace+0x0/0x458 [ 224.701909][ T6431] show_stack+0x2c/0x3c [ 224.702517][ T6431] __dump_stack+0x30/0x40 [ 224.703157][ T6431] dump_stack_lvl+0xf4/0x15c [ 224.703817][ T6431] dump_stack+0x1c/0x5c [ 224.704458][ T6431] sysfs_create_dir_ns+0x244/0x264 [ 224.705268][ T6431] kobject_add_internal+0x5ac/0xc3c [ 224.706030][ T6431] kobject_init_and_add+0x124/0x190 [ 224.706913][ T6431] gfs2_sys_fs_add+0x200/0x41c [ 224.707641][ T6431] gfs2_fill_super+0xddc/0x1a18 [ 224.708401][ T6431] get_tree_bdev+0x358/0x544 [ 224.709100][ T6431] gfs2_get_tree+0x54/0x1b4 [ 224.709768][ T6431] vfs_get_tree+0x90/0x274 [ 224.710355][ T6431] do_new_mount+0x228/0x810 [ 224.711062][ T6431] path_mount+0x5bc/0x1008 [ 224.711802][ T6431] __arm64_sys_mount+0x514/0x5f0 [ 224.712562][ T6431] invoke_syscall+0x98/0x2b0 [ 224.713283][ T6431] el0_svc_common+0x138/0x258 [ 224.713919][ T6431] do_el0_svc+0x58/0x13c [ 224.714588][ T6431] el0_svc+0x78/0x1d0 [ 224.715226][ T6431] el0t_64_sync_handler+0xcc/0xe4 [ 224.716025][ T6431] el0t_64_sync+0x1a0/0x1a4 [ 224.716935][ T6431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.719012][ T6431] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.000813][ T6433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.002030][ T6433] CPU: 1 PID: 6433 Comm: syz.1.689 Not tainted syzkaller #0 [ 225.003125][ T6433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.004614][ T6433] Call trace: [ 225.005075][ T6433] dump_backtrace+0x0/0x458 [ 225.005771][ T6433] show_stack+0x2c/0x3c [ 225.006415][ T6433] __dump_stack+0x30/0x40 [ 225.007002][ T6433] dump_stack_lvl+0xf4/0x15c [ 225.007658][ T6433] dump_stack+0x1c/0x5c [ 225.008271][ T6433] sysfs_create_dir_ns+0x244/0x264 [ 225.009009][ T6433] kobject_add_internal+0x5ac/0xc3c [ 225.009768][ T6433] kobject_init_and_add+0x124/0x190 [ 225.010525][ T6433] gfs2_sys_fs_add+0x200/0x41c [ 225.011209][ T6433] gfs2_fill_super+0xddc/0x1a18 [ 225.011930][ T6433] get_tree_bdev+0x358/0x544 [ 225.012652][ T6433] gfs2_get_tree+0x54/0x1b4 [ 225.013366][ T6433] vfs_get_tree+0x90/0x274 [ 225.014026][ T6433] do_new_mount+0x228/0x810 [ 225.014813][ T6433] path_mount+0x5bc/0x1008 [ 225.015510][ T6433] __arm64_sys_mount+0x514/0x5f0 [ 225.016204][ T6433] invoke_syscall+0x98/0x2b0 [ 225.016860][ T6433] el0_svc_common+0x138/0x258 [ 225.017592][ T6433] do_el0_svc+0x58/0x13c [ 225.018230][ T6433] el0_svc+0x78/0x1d0 [ 225.018805][ T6433] el0t_64_sync_handler+0xcc/0xe4 [ 225.019544][ T6433] el0t_64_sync+0x1a0/0x1a4 [ 225.020649][ T6433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.022637][ T6433] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.222320][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.223533][ T6435] CPU: 0 PID: 6435 Comm: syz.1.690 Not tainted syzkaller #0 [ 225.224639][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.226185][ T6435] Call trace: [ 225.226634][ T6435] dump_backtrace+0x0/0x458 [ 225.227399][ T6435] show_stack+0x2c/0x3c [ 225.228046][ T6435] __dump_stack+0x30/0x40 [ 225.228735][ T6435] dump_stack_lvl+0xf4/0x15c [ 225.229476][ T6435] dump_stack+0x1c/0x5c [ 225.230094][ T6435] sysfs_create_dir_ns+0x244/0x264 [ 225.230864][ T6435] kobject_add_internal+0x5ac/0xc3c [ 225.231650][ T6435] kobject_init_and_add+0x124/0x190 [ 225.232429][ T6435] gfs2_sys_fs_add+0x200/0x41c [ 225.233159][ T6435] gfs2_fill_super+0xddc/0x1a18 [ 225.233890][ T6435] get_tree_bdev+0x358/0x544 [ 225.234575][ T6435] gfs2_get_tree+0x54/0x1b4 [ 225.235249][ T6435] vfs_get_tree+0x90/0x274 [ 225.235929][ T6435] do_new_mount+0x228/0x810 [ 225.236611][ T6435] path_mount+0x5bc/0x1008 [ 225.237255][ T6435] __arm64_sys_mount+0x514/0x5f0 [ 225.238051][ T6435] invoke_syscall+0x98/0x2b0 [ 225.238709][ T6435] el0_svc_common+0x138/0x258 [ 225.239403][ T6435] do_el0_svc+0x58/0x13c [ 225.240010][ T6435] el0_svc+0x78/0x1d0 [ 225.240663][ T6435] el0t_64_sync_handler+0xcc/0xe4 [ 225.241402][ T6435] el0t_64_sync+0x1a0/0x1a4 [ 225.243500][ T6435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.245415][ T6435] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 678 [ 225.375719][ T6437] set_capacity_and_notify: 15 callbacks suppressed [ 225.375730][ T6437] loop1: detected capacity change from 0 to 32768 [ 225.384157][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.385236][ T6437] CPU: 1 PID: 6437 Comm: syz.1.691 Not tainted syzkaller #0 [ 225.386340][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.387754][ T6437] Call trace: [ 225.388270][ T6437] dump_backtrace+0x0/0x458 [ 225.388968][ T6437] show_stack+0x2c/0x3c [ 225.389669][ T6437] __dump_stack+0x30/0x40 [ 225.390342][ T6437] dump_stack_lvl+0xf4/0x15c [ 225.391125][ T6437] dump_stack+0x1c/0x5c [ 225.391773][ T6437] sysfs_create_dir_ns+0x244/0x264 [ 225.392497][ T6437] kobject_add_internal+0x5ac/0xc3c [ 225.393293][ T6437] kobject_init_and_add+0x124/0x190 [ 225.394019][ T6437] gfs2_sys_fs_add+0x200/0x41c [ 225.394706][ T6437] gfs2_fill_super+0xddc/0x1a18 [ 225.395463][ T6437] get_tree_bdev+0x358/0x544 [ 225.396161][ T6437] gfs2_get_tree+0x54/0x1b4 [ 225.396844][ T6437] vfs_get_tree+0x90/0x274 [ 225.397527][ T6437] do_new_mount+0x228/0x810 [ 225.398149][ T6437] path_mount+0x5bc/0x1008 [ 225.398825][ T6437] __arm64_sys_mount+0x514/0x5f0 [ 225.399582][ T6437] invoke_syscall+0x98/0x2b0 [ 225.400293][ T6437] el0_svc_common+0x138/0x258 [ 225.401035][ T6437] do_el0_svc+0x58/0x13c [ 225.401640][ T6437] el0_svc+0x78/0x1d0 [ 225.402265][ T6437] el0t_64_sync_handler+0xcc/0xe4 [ 225.402981][ T6437] el0t_64_sync+0x1a0/0x1a4 [ 225.403968][ T6437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.405925][ T6437] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.532224][ T6439] loop1: detected capacity change from 0 to 32768 [ 225.615863][ T6439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.618729][ T6439] CPU: 1 PID: 6439 Comm: syz.1.692 Not tainted syzkaller #0 [ 225.619820][ T6439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.621262][ T6439] Call trace: [ 225.621752][ T6439] dump_backtrace+0x0/0x458 [ 225.622450][ T6439] show_stack+0x2c/0x3c [ 225.623070][ T6439] __dump_stack+0x30/0x40 [ 225.623738][ T6439] dump_stack_lvl+0xf4/0x15c [ 225.624423][ T6439] dump_stack+0x1c/0x5c [ 225.625019][ T6439] sysfs_create_dir_ns+0x244/0x264 [ 225.625766][ T6439] kobject_add_internal+0x5ac/0xc3c [ 225.626544][ T6439] kobject_init_and_add+0x124/0x190 [ 225.627318][ T6439] gfs2_sys_fs_add+0x200/0x41c [ 225.628068][ T6439] gfs2_fill_super+0xddc/0x1a18 [ 225.628765][ T6439] get_tree_bdev+0x358/0x544 [ 225.629466][ T6439] gfs2_get_tree+0x54/0x1b4 [ 225.630154][ T6439] vfs_get_tree+0x90/0x274 [ 225.630809][ T6439] do_new_mount+0x228/0x810 [ 225.631453][ T6439] path_mount+0x5bc/0x1008 [ 225.632100][ T6439] __arm64_sys_mount+0x514/0x5f0 [ 225.632798][ T6439] invoke_syscall+0x98/0x2b0 [ 225.633438][ T6439] el0_svc_common+0x138/0x258 [ 225.634124][ T6439] do_el0_svc+0x58/0x13c [ 225.634721][ T6439] el0_svc+0x78/0x1d0 [ 225.635281][ T6439] el0t_64_sync_handler+0xcc/0xe4 [ 225.635996][ T6439] el0t_64_sync+0x1a0/0x1a4 [ 225.638267][ T6439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.640343][ T6439] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.770101][ T6441] loop1: detected capacity change from 0 to 32768 [ 225.777806][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.779141][ T6441] CPU: 0 PID: 6441 Comm: syz.1.693 Not tainted syzkaller #0 [ 225.780274][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.781774][ T6441] Call trace: [ 225.782255][ T6441] dump_backtrace+0x0/0x458 [ 225.782925][ T6441] show_stack+0x2c/0x3c [ 225.783553][ T6441] __dump_stack+0x30/0x40 [ 225.784199][ T6441] dump_stack_lvl+0xf4/0x15c [ 225.784848][ T6441] dump_stack+0x1c/0x5c [ 225.785413][ T6441] sysfs_create_dir_ns+0x244/0x264 [ 225.786153][ T6441] kobject_add_internal+0x5ac/0xc3c [ 225.786926][ T6441] kobject_init_and_add+0x124/0x190 [ 225.787650][ T6441] gfs2_sys_fs_add+0x200/0x41c [ 225.788370][ T6441] gfs2_fill_super+0xddc/0x1a18 [ 225.789226][ T6441] get_tree_bdev+0x358/0x544 [ 225.789961][ T6441] gfs2_get_tree+0x54/0x1b4 [ 225.790658][ T6441] vfs_get_tree+0x90/0x274 [ 225.791353][ T6441] do_new_mount+0x228/0x810 [ 225.792083][ T6441] path_mount+0x5bc/0x1008 [ 225.792797][ T6441] __arm64_sys_mount+0x514/0x5f0 [ 225.793574][ T6441] invoke_syscall+0x98/0x2b0 [ 225.794248][ T6441] el0_svc_common+0x138/0x258 [ 225.795038][ T6441] do_el0_svc+0x58/0x13c [ 225.795706][ T6441] el0_svc+0x78/0x1d0 [ 225.796342][ T6441] el0t_64_sync_handler+0xcc/0xe4 [ 225.797179][ T6441] el0t_64_sync+0x1a0/0x1a4 [ 225.798277][ T6441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.800242][ T6441] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.930181][ T6443] loop1: detected capacity change from 0 to 32768 [ 225.937649][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.938714][ T6443] CPU: 1 PID: 6443 Comm: syz.1.694 Not tainted syzkaller #0 [ 225.939782][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.941196][ T6443] Call trace: [ 225.941653][ T6443] dump_backtrace+0x0/0x458 [ 225.942267][ T6443] show_stack+0x2c/0x3c [ 225.942894][ T6443] __dump_stack+0x30/0x40 [ 225.943550][ T6443] dump_stack_lvl+0xf4/0x15c [ 225.944246][ T6443] dump_stack+0x1c/0x5c [ 225.944847][ T6443] sysfs_create_dir_ns+0x244/0x264 [ 225.945546][ T6443] kobject_add_internal+0x5ac/0xc3c [ 225.946267][ T6443] kobject_init_and_add+0x124/0x190 [ 225.947005][ T6443] gfs2_sys_fs_add+0x200/0x41c [ 225.947737][ T6443] gfs2_fill_super+0xddc/0x1a18 [ 225.948415][ T6443] get_tree_bdev+0x358/0x544 [ 225.949061][ T6443] gfs2_get_tree+0x54/0x1b4 [ 225.950002][ T6443] vfs_get_tree+0x90/0x274 [ 225.950591][ T6443] do_new_mount+0x228/0x810 [ 225.951248][ T6443] path_mount+0x5bc/0x1008 [ 225.951877][ T6443] __arm64_sys_mount+0x514/0x5f0 [ 225.952601][ T6443] invoke_syscall+0x98/0x2b0 [ 225.953311][ T6443] el0_svc_common+0x138/0x258 [ 225.954010][ T6443] do_el0_svc+0x58/0x13c [ 225.954641][ T6443] el0_svc+0x78/0x1d0 [ 225.955188][ T6443] el0t_64_sync_handler+0xcc/0xe4 [ 225.955940][ T6443] el0t_64_sync+0x1a0/0x1a4 [ 225.957075][ T6443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.959215][ T6443] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.097123][ T6445] loop1: detected capacity change from 0 to 32768 [ 226.161948][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.163088][ T6445] CPU: 0 PID: 6445 Comm: syz.1.695 Not tainted syzkaller #0 [ 226.164195][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.165653][ T6445] Call trace: [ 226.166128][ T6445] dump_backtrace+0x0/0x458 [ 226.166807][ T6445] show_stack+0x2c/0x3c [ 226.167496][ T6445] __dump_stack+0x30/0x40 [ 226.168162][ T6445] dump_stack_lvl+0xf4/0x15c [ 226.168802][ T6445] dump_stack+0x1c/0x5c [ 226.169416][ T6445] sysfs_create_dir_ns+0x244/0x264 [ 226.170186][ T6445] kobject_add_internal+0x5ac/0xc3c [ 226.170949][ T6445] kobject_init_and_add+0x124/0x190 [ 226.171771][ T6445] gfs2_sys_fs_add+0x200/0x41c [ 226.172531][ T6445] gfs2_fill_super+0xddc/0x1a18 [ 226.173245][ T6445] get_tree_bdev+0x358/0x544 [ 226.173970][ T6445] gfs2_get_tree+0x54/0x1b4 [ 226.174575][ T6445] vfs_get_tree+0x90/0x274 [ 226.175236][ T6445] do_new_mount+0x228/0x810 [ 226.175910][ T6445] path_mount+0x5bc/0x1008 [ 226.176634][ T6445] __arm64_sys_mount+0x514/0x5f0 [ 226.177341][ T6445] invoke_syscall+0x98/0x2b0 [ 226.178059][ T6445] el0_svc_common+0x138/0x258 [ 226.178790][ T6445] do_el0_svc+0x58/0x13c [ 226.179403][ T6445] el0_svc+0x78/0x1d0 [ 226.179998][ T6445] el0t_64_sync_handler+0xcc/0xe4 [ 226.180771][ T6445] el0t_64_sync+0x1a0/0x1a4 [ 226.182567][ T6445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.184464][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.312264][ T6447] loop1: detected capacity change from 0 to 32768 [ 226.401325][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.402478][ T6447] CPU: 1 PID: 6447 Comm: syz.1.696 Not tainted syzkaller #0 [ 226.403569][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.405070][ T6447] Call trace: [ 226.405559][ T6447] dump_backtrace+0x0/0x458 [ 226.406187][ T6447] show_stack+0x2c/0x3c [ 226.406772][ T6447] __dump_stack+0x30/0x40 [ 226.407418][ T6447] dump_stack_lvl+0xf4/0x15c [ 226.408094][ T6447] dump_stack+0x1c/0x5c [ 226.408711][ T6447] sysfs_create_dir_ns+0x244/0x264 [ 226.409442][ T6447] kobject_add_internal+0x5ac/0xc3c [ 226.410201][ T6447] kobject_init_and_add+0x124/0x190 [ 226.410963][ T6447] gfs2_sys_fs_add+0x200/0x41c [ 226.411622][ T6447] gfs2_fill_super+0xddc/0x1a18 [ 226.412379][ T6447] get_tree_bdev+0x358/0x544 [ 226.413073][ T6447] gfs2_get_tree+0x54/0x1b4 [ 226.413763][ T6447] vfs_get_tree+0x90/0x274 [ 226.414380][ T6447] do_new_mount+0x228/0x810 [ 226.415082][ T6447] path_mount+0x5bc/0x1008 [ 226.415707][ T6447] __arm64_sys_mount+0x514/0x5f0 [ 226.416408][ T6447] invoke_syscall+0x98/0x2b0 [ 226.417060][ T6447] el0_svc_common+0x138/0x258 [ 226.417744][ T6447] do_el0_svc+0x58/0x13c [ 226.418387][ T6447] el0_svc+0x78/0x1d0 [ 226.418928][ T6447] el0t_64_sync_handler+0xcc/0xe4 [ 226.419715][ T6447] el0t_64_sync+0x1a0/0x1a4 [ 226.422334][ T6447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.424289][ T6447] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.555662][ T6449] loop1: detected capacity change from 0 to 32768 [ 226.562841][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.564025][ T6449] CPU: 0 PID: 6449 Comm: syz.1.697 Not tainted syzkaller #0 [ 226.565241][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.566823][ T6449] Call trace: [ 226.567283][ T6449] dump_backtrace+0x0/0x458 [ 226.568000][ T6449] show_stack+0x2c/0x3c [ 226.568603][ T6449] __dump_stack+0x30/0x40 [ 226.569279][ T6449] dump_stack_lvl+0xf4/0x15c [ 226.570014][ T6449] dump_stack+0x1c/0x5c [ 226.570624][ T6449] sysfs_create_dir_ns+0x244/0x264 [ 226.571413][ T6449] kobject_add_internal+0x5ac/0xc3c [ 226.572247][ T6449] kobject_init_and_add+0x124/0x190 [ 226.573097][ T6449] gfs2_sys_fs_add+0x200/0x41c [ 226.573823][ T6449] gfs2_fill_super+0xddc/0x1a18 [ 226.574561][ T6449] get_tree_bdev+0x358/0x544 [ 226.575271][ T6449] gfs2_get_tree+0x54/0x1b4 [ 226.575958][ T6449] vfs_get_tree+0x90/0x274 [ 226.576671][ T6449] do_new_mount+0x228/0x810 [ 226.577308][ T6449] path_mount+0x5bc/0x1008 [ 226.577907][ T6449] __arm64_sys_mount+0x514/0x5f0 [ 226.578650][ T6449] invoke_syscall+0x98/0x2b0 [ 226.579282][ T6449] el0_svc_common+0x138/0x258 [ 226.579976][ T6449] do_el0_svc+0x58/0x13c [ 226.580592][ T6449] el0_svc+0x78/0x1d0 [ 226.581247][ T6449] el0t_64_sync_handler+0xcc/0xe4 [ 226.582009][ T6449] el0t_64_sync+0x1a0/0x1a4 [ 226.582821][ T6449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.584816][ T6449] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.710295][ T6451] loop1: detected capacity change from 0 to 32768 [ 226.790561][ T6451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.791777][ T6451] CPU: 1 PID: 6451 Comm: syz.1.698 Not tainted syzkaller #0 [ 226.792839][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.794333][ T6451] Call trace: [ 226.794808][ T6451] dump_backtrace+0x0/0x458 [ 226.795438][ T6451] show_stack+0x2c/0x3c [ 226.796079][ T6451] __dump_stack+0x30/0x40 [ 226.796712][ T6451] dump_stack_lvl+0xf4/0x15c [ 226.797397][ T6451] dump_stack+0x1c/0x5c [ 226.798081][ T6451] sysfs_create_dir_ns+0x244/0x264 [ 226.798893][ T6451] kobject_add_internal+0x5ac/0xc3c [ 226.799693][ T6451] kobject_init_and_add+0x124/0x190 [ 226.800379][ T6451] gfs2_sys_fs_add+0x200/0x41c [ 226.801078][ T6451] gfs2_fill_super+0xddc/0x1a18 [ 226.801812][ T6451] get_tree_bdev+0x358/0x544 [ 226.802499][ T6451] gfs2_get_tree+0x54/0x1b4 [ 226.803207][ T6451] vfs_get_tree+0x90/0x274 [ 226.803830][ T6451] do_new_mount+0x228/0x810 [ 226.804454][ T6451] path_mount+0x5bc/0x1008 [ 226.805076][ T6451] __arm64_sys_mount+0x514/0x5f0 [ 226.805787][ T6451] invoke_syscall+0x98/0x2b0 [ 226.806439][ T6451] el0_svc_common+0x138/0x258 [ 226.807127][ T6451] do_el0_svc+0x58/0x13c [ 226.807755][ T6451] el0_svc+0x78/0x1d0 [ 226.808365][ T6451] el0t_64_sync_handler+0xcc/0xe4 [ 226.809043][ T6451] el0t_64_sync+0x1a0/0x1a4 [ 226.811390][ T6451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.813432][ T6451] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.939820][ T6453] loop1: detected capacity change from 0 to 32768 [ 226.981206][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.982248][ T6453] CPU: 1 PID: 6453 Comm: syz.1.699 Not tainted syzkaller #0 [ 226.983186][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.984609][ T6453] Call trace: [ 226.985096][ T6453] dump_backtrace+0x0/0x458 [ 226.985728][ T6453] show_stack+0x2c/0x3c [ 226.986299][ T6453] __dump_stack+0x30/0x40 [ 226.986994][ T6453] dump_stack_lvl+0xf4/0x15c [ 226.987658][ T6453] dump_stack+0x1c/0x5c [ 226.988302][ T6453] sysfs_create_dir_ns+0x244/0x264 [ 226.988985][ T6453] kobject_add_internal+0x5ac/0xc3c [ 226.989779][ T6453] kobject_init_and_add+0x124/0x190 [ 226.990571][ T6453] gfs2_sys_fs_add+0x200/0x41c [ 226.991255][ T6453] gfs2_fill_super+0xddc/0x1a18 [ 226.991977][ T6453] get_tree_bdev+0x358/0x544 [ 226.992689][ T6453] gfs2_get_tree+0x54/0x1b4 [ 226.993320][ T6453] vfs_get_tree+0x90/0x274 [ 226.993929][ T6453] do_new_mount+0x228/0x810 [ 226.994649][ T6453] path_mount+0x5bc/0x1008 [ 226.995228][ T6453] __arm64_sys_mount+0x514/0x5f0 [ 226.996025][ T6453] invoke_syscall+0x98/0x2b0 [ 226.996681][ T6453] el0_svc_common+0x138/0x258 [ 226.997351][ T6453] do_el0_svc+0x58/0x13c [ 226.997929][ T6453] el0_svc+0x78/0x1d0 [ 226.998510][ T6453] el0t_64_sync_handler+0xcc/0xe4 [ 226.999268][ T6453] el0t_64_sync+0x1a0/0x1a4 [ 227.001342][ T6453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.003239][ T6453] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.132580][ T6455] loop1: detected capacity change from 0 to 32768 [ 227.177328][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.178446][ T6455] CPU: 0 PID: 6455 Comm: syz.1.700 Not tainted syzkaller #0 [ 227.179465][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.180926][ T6455] Call trace: [ 227.181361][ T6455] dump_backtrace+0x0/0x458 [ 227.181960][ T6455] show_stack+0x2c/0x3c [ 227.182574][ T6455] __dump_stack+0x30/0x40 [ 227.183191][ T6455] dump_stack_lvl+0xf4/0x15c [ 227.183880][ T6455] dump_stack+0x1c/0x5c [ 227.184528][ T6455] sysfs_create_dir_ns+0x244/0x264 [ 227.185397][ T6455] kobject_add_internal+0x5ac/0xc3c [ 227.186222][ T6455] kobject_init_and_add+0x124/0x190 [ 227.187054][ T6455] gfs2_sys_fs_add+0x200/0x41c [ 227.187760][ T6455] gfs2_fill_super+0xddc/0x1a18 [ 227.188507][ T6455] get_tree_bdev+0x358/0x544 [ 227.189195][ T6455] gfs2_get_tree+0x54/0x1b4 [ 227.189868][ T6455] vfs_get_tree+0x90/0x274 [ 227.190522][ T6455] do_new_mount+0x228/0x810 [ 227.191252][ T6455] path_mount+0x5bc/0x1008 [ 227.191865][ T6455] __arm64_sys_mount+0x514/0x5f0 [ 227.192608][ T6455] invoke_syscall+0x98/0x2b0 [ 227.193330][ T6455] el0_svc_common+0x138/0x258 [ 227.194025][ T6455] do_el0_svc+0x58/0x13c [ 227.194610][ T6455] el0_svc+0x78/0x1d0 [ 227.195202][ T6455] el0t_64_sync_handler+0xcc/0xe4 [ 227.195904][ T6455] el0t_64_sync+0x1a0/0x1a4 [ 227.198097][ T6455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.200092][ T6455] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.367346][ T6457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.368495][ T6457] CPU: 1 PID: 6457 Comm: syz.1.701 Not tainted syzkaller #0 [ 227.369575][ T6457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.371051][ T6457] Call trace: [ 227.371594][ T6457] dump_backtrace+0x0/0x458 [ 227.372202][ T6457] show_stack+0x2c/0x3c [ 227.372800][ T6457] __dump_stack+0x30/0x40 [ 227.373467][ T6457] dump_stack_lvl+0xf4/0x15c [ 227.374128][ T6457] dump_stack+0x1c/0x5c [ 227.374722][ T6457] sysfs_create_dir_ns+0x244/0x264 [ 227.375540][ T6457] kobject_add_internal+0x5ac/0xc3c [ 227.376325][ T6457] kobject_init_and_add+0x124/0x190 [ 227.377128][ T6457] gfs2_sys_fs_add+0x200/0x41c [ 227.377739][ T6457] gfs2_fill_super+0xddc/0x1a18 [ 227.378453][ T6457] get_tree_bdev+0x358/0x544 [ 227.379122][ T6457] gfs2_get_tree+0x54/0x1b4 [ 227.379816][ T6457] vfs_get_tree+0x90/0x274 [ 227.380458][ T6457] do_new_mount+0x228/0x810 [ 227.381129][ T6457] path_mount+0x5bc/0x1008 [ 227.381849][ T6457] __arm64_sys_mount+0x514/0x5f0 [ 227.382603][ T6457] invoke_syscall+0x98/0x2b0 [ 227.383343][ T6457] el0_svc_common+0x138/0x258 [ 227.384015][ T6457] do_el0_svc+0x58/0x13c [ 227.384625][ T6457] el0_svc+0x78/0x1d0 [ 227.385153][ T6457] el0t_64_sync_handler+0xcc/0xe4 [ 227.385827][ T6457] el0t_64_sync+0x1a0/0x1a4 [ 227.386626][ T6457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.388678][ T6457] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.556374][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.557597][ T6459] CPU: 0 PID: 6459 Comm: syz.1.702 Not tainted syzkaller #0 [ 227.558754][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.560342][ T6459] Call trace: [ 227.560811][ T6459] dump_backtrace+0x0/0x458 [ 227.561482][ T6459] show_stack+0x2c/0x3c [ 227.562082][ T6459] __dump_stack+0x30/0x40 [ 227.562726][ T6459] dump_stack_lvl+0xf4/0x15c [ 227.563458][ T6459] dump_stack+0x1c/0x5c [ 227.564084][ T6459] sysfs_create_dir_ns+0x244/0x264 [ 227.564865][ T6459] kobject_add_internal+0x5ac/0xc3c [ 227.565696][ T6459] kobject_init_and_add+0x124/0x190 [ 227.566502][ T6459] gfs2_sys_fs_add+0x200/0x41c [ 227.567171][ T6459] gfs2_fill_super+0xddc/0x1a18 [ 227.567911][ T6459] get_tree_bdev+0x358/0x544 [ 227.568618][ T6459] gfs2_get_tree+0x54/0x1b4 [ 227.569255][ T6459] vfs_get_tree+0x90/0x274 [ 227.569950][ T6459] do_new_mount+0x228/0x810 [ 227.570584][ T6459] path_mount+0x5bc/0x1008 [ 227.571271][ T6459] __arm64_sys_mount+0x514/0x5f0 [ 227.572042][ T6459] invoke_syscall+0x98/0x2b0 [ 227.572742][ T6459] el0_svc_common+0x138/0x258 [ 227.573470][ T6459] do_el0_svc+0x58/0x13c [ 227.574093][ T6459] el0_svc+0x78/0x1d0 [ 227.574660][ T6459] el0t_64_sync_handler+0xcc/0xe4 [ 227.575425][ T6459] el0t_64_sync+0x1a0/0x1a4 [ 227.576801][ T6459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.578890][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.719026][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.720270][ T6461] CPU: 1 PID: 6461 Comm: syz.1.703 Not tainted syzkaller #0 [ 227.721396][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.722931][ T6461] Call trace: [ 227.723431][ T6461] dump_backtrace+0x0/0x458 [ 227.724086][ T6461] show_stack+0x2c/0x3c [ 227.724678][ T6461] __dump_stack+0x30/0x40 [ 227.725337][ T6461] dump_stack_lvl+0xf4/0x15c [ 227.725950][ T6461] dump_stack+0x1c/0x5c [ 227.726544][ T6461] sysfs_create_dir_ns+0x244/0x264 [ 227.727241][ T6461] kobject_add_internal+0x5ac/0xc3c [ 227.727988][ T6461] kobject_init_and_add+0x124/0x190 [ 227.728825][ T6461] gfs2_sys_fs_add+0x200/0x41c [ 227.729581][ T6461] gfs2_fill_super+0xddc/0x1a18 [ 227.730277][ T6461] get_tree_bdev+0x358/0x544 [ 227.730952][ T6461] gfs2_get_tree+0x54/0x1b4 [ 227.731697][ T6461] vfs_get_tree+0x90/0x274 [ 227.732359][ T6461] do_new_mount+0x228/0x810 [ 227.733034][ T6461] path_mount+0x5bc/0x1008 [ 227.733756][ T6461] __arm64_sys_mount+0x514/0x5f0 [ 227.734477][ T6461] invoke_syscall+0x98/0x2b0 [ 227.735120][ T6461] el0_svc_common+0x138/0x258 [ 227.735787][ T6461] do_el0_svc+0x58/0x13c [ 227.736421][ T6461] el0_svc+0x78/0x1d0 [ 227.736974][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 227.737742][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 227.738531][ T6461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.740451][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.921032][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.922270][ T6463] CPU: 1 PID: 6463 Comm: syz.1.704 Not tainted syzkaller #0 [ 227.923307][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.924753][ T6463] Call trace: [ 227.925278][ T6463] dump_backtrace+0x0/0x458 [ 227.925905][ T6463] show_stack+0x2c/0x3c [ 227.926523][ T6463] __dump_stack+0x30/0x40 [ 227.927157][ T6463] dump_stack_lvl+0xf4/0x15c [ 227.927862][ T6463] dump_stack+0x1c/0x5c [ 227.928461][ T6463] sysfs_create_dir_ns+0x244/0x264 [ 227.929250][ T6463] kobject_add_internal+0x5ac/0xc3c [ 227.930073][ T6463] kobject_init_and_add+0x124/0x190 [ 227.930844][ T6463] gfs2_sys_fs_add+0x200/0x41c [ 227.931566][ T6463] gfs2_fill_super+0xddc/0x1a18 [ 227.932326][ T6463] get_tree_bdev+0x358/0x544 [ 227.933027][ T6463] gfs2_get_tree+0x54/0x1b4 [ 227.933669][ T6463] vfs_get_tree+0x90/0x274 [ 227.934316][ T6463] do_new_mount+0x228/0x810 [ 227.934971][ T6463] path_mount+0x5bc/0x1008 [ 227.935653][ T6463] __arm64_sys_mount+0x514/0x5f0 [ 227.936336][ T6463] invoke_syscall+0x98/0x2b0 [ 227.937032][ T6463] el0_svc_common+0x138/0x258 [ 227.937656][ T6463] do_el0_svc+0x58/0x13c [ 227.938234][ T6463] el0_svc+0x78/0x1d0 [ 227.938791][ T6463] el0t_64_sync_handler+0xcc/0xe4 [ 227.939498][ T6463] el0t_64_sync+0x1a0/0x1a4 [ 227.941634][ T6463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.943657][ T6463] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.082319][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.083516][ T6465] CPU: 1 PID: 6465 Comm: syz.1.705 Not tainted syzkaller #0 [ 228.084528][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.086121][ T6465] Call trace: [ 228.086576][ T6465] dump_backtrace+0x0/0x458 [ 228.087276][ T6465] show_stack+0x2c/0x3c [ 228.087927][ T6465] __dump_stack+0x30/0x40 [ 228.088593][ T6465] dump_stack_lvl+0xf4/0x15c [ 228.089250][ T6465] dump_stack+0x1c/0x5c [ 228.089868][ T6465] sysfs_create_dir_ns+0x244/0x264 [ 228.090622][ T6465] kobject_add_internal+0x5ac/0xc3c [ 228.091421][ T6465] kobject_init_and_add+0x124/0x190 [ 228.092172][ T6465] gfs2_sys_fs_add+0x200/0x41c [ 228.092860][ T6465] gfs2_fill_super+0xddc/0x1a18 [ 228.093616][ T6465] get_tree_bdev+0x358/0x544 [ 228.094294][ T6465] gfs2_get_tree+0x54/0x1b4 [ 228.094920][ T6465] vfs_get_tree+0x90/0x274 [ 228.095512][ T6465] do_new_mount+0x228/0x810 [ 228.096197][ T6465] path_mount+0x5bc/0x1008 [ 228.096839][ T6465] __arm64_sys_mount+0x514/0x5f0 [ 228.097737][ T6465] invoke_syscall+0x98/0x2b0 [ 228.098432][ T6465] el0_svc_common+0x138/0x258 [ 228.099161][ T6465] do_el0_svc+0x58/0x13c [ 228.099808][ T6465] el0_svc+0x78/0x1d0 [ 228.100430][ T6465] el0t_64_sync_handler+0xcc/0xe4 [ 228.101154][ T6465] el0t_64_sync+0x1a0/0x1a4 [ 228.101967][ T6465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.104058][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.398222][ T6467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.399529][ T6467] CPU: 1 PID: 6467 Comm: syz.1.706 Not tainted syzkaller #0 [ 228.400568][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.402056][ T6467] Call trace: [ 228.402599][ T6467] dump_backtrace+0x0/0x458 [ 228.403272][ T6467] show_stack+0x2c/0x3c [ 228.403980][ T6467] __dump_stack+0x30/0x40 [ 228.404652][ T6467] dump_stack_lvl+0xf4/0x15c [ 228.405338][ T6467] dump_stack+0x1c/0x5c [ 228.405922][ T6467] sysfs_create_dir_ns+0x244/0x264 [ 228.406672][ T6467] kobject_add_internal+0x5ac/0xc3c [ 228.407428][ T6467] kobject_init_and_add+0x124/0x190 [ 228.408149][ T6467] gfs2_sys_fs_add+0x200/0x41c [ 228.408878][ T6467] gfs2_fill_super+0xddc/0x1a18 [ 228.409614][ T6467] get_tree_bdev+0x358/0x544 [ 228.410306][ T6467] gfs2_get_tree+0x54/0x1b4 [ 228.410941][ T6467] vfs_get_tree+0x90/0x274 [ 228.411632][ T6467] do_new_mount+0x228/0x810 [ 228.412267][ T6467] path_mount+0x5bc/0x1008 [ 228.412902][ T6467] __arm64_sys_mount+0x514/0x5f0 [ 228.413657][ T6467] invoke_syscall+0x98/0x2b0 [ 228.414358][ T6467] el0_svc_common+0x138/0x258 [ 228.415018][ T6467] do_el0_svc+0x58/0x13c [ 228.415669][ T6467] el0_svc+0x78/0x1d0 [ 228.416258][ T6467] el0t_64_sync_handler+0xcc/0xe4 [ 228.416980][ T6467] el0t_64_sync+0x1a0/0x1a4 [ 228.420320][ T6467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.422405][ T6467] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.568283][ T6469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.569513][ T6469] CPU: 1 PID: 6469 Comm: syz.1.707 Not tainted syzkaller #0 [ 228.570686][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.572248][ T6469] Call trace: [ 228.572793][ T6469] dump_backtrace+0x0/0x458 [ 228.573534][ T6469] show_stack+0x2c/0x3c [ 228.574215][ T6469] __dump_stack+0x30/0x40 [ 228.574865][ T6469] dump_stack_lvl+0xf4/0x15c [ 228.575584][ T6469] dump_stack+0x1c/0x5c [ 228.576136][ T6469] sysfs_create_dir_ns+0x244/0x264 [ 228.576914][ T6469] kobject_add_internal+0x5ac/0xc3c [ 228.577713][ T6469] kobject_init_and_add+0x124/0x190 [ 228.578460][ T6469] gfs2_sys_fs_add+0x200/0x41c [ 228.579169][ T6469] gfs2_fill_super+0xddc/0x1a18 [ 228.579937][ T6469] get_tree_bdev+0x358/0x544 [ 228.580648][ T6469] gfs2_get_tree+0x54/0x1b4 [ 228.581358][ T6469] vfs_get_tree+0x90/0x274 [ 228.581954][ T6469] do_new_mount+0x228/0x810 [ 228.582592][ T6469] path_mount+0x5bc/0x1008 [ 228.583234][ T6469] __arm64_sys_mount+0x514/0x5f0 [ 228.583985][ T6469] invoke_syscall+0x98/0x2b0 [ 228.584670][ T6469] el0_svc_common+0x138/0x258 [ 228.585417][ T6469] do_el0_svc+0x58/0x13c [ 228.586052][ T6469] el0_svc+0x78/0x1d0 [ 228.586652][ T6469] el0t_64_sync_handler+0xcc/0xe4 [ 228.587468][ T6469] el0t_64_sync+0x1a0/0x1a4 [ 228.589478][ T6469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.591520][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.777452][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.778619][ T6471] CPU: 1 PID: 6471 Comm: syz.1.708 Not tainted syzkaller #0 [ 228.779773][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.781289][ T6471] Call trace: [ 228.781766][ T6471] dump_backtrace+0x0/0x458 [ 228.782431][ T6471] show_stack+0x2c/0x3c [ 228.783014][ T6471] __dump_stack+0x30/0x40 [ 228.783645][ T6471] dump_stack_lvl+0xf4/0x15c [ 228.784297][ T6471] dump_stack+0x1c/0x5c [ 228.784869][ T6471] sysfs_create_dir_ns+0x244/0x264 [ 228.785620][ T6471] kobject_add_internal+0x5ac/0xc3c [ 228.786433][ T6471] kobject_init_and_add+0x124/0x190 [ 228.787172][ T6471] gfs2_sys_fs_add+0x200/0x41c [ 228.787863][ T6471] gfs2_fill_super+0xddc/0x1a18 [ 228.788587][ T6471] get_tree_bdev+0x358/0x544 [ 228.789242][ T6471] gfs2_get_tree+0x54/0x1b4 [ 228.789860][ T6471] vfs_get_tree+0x90/0x274 [ 228.790506][ T6471] do_new_mount+0x228/0x810 [ 228.791215][ T6471] path_mount+0x5bc/0x1008 [ 228.791838][ T6471] __arm64_sys_mount+0x514/0x5f0 [ 228.792530][ T6471] invoke_syscall+0x98/0x2b0 [ 228.793221][ T6471] el0_svc_common+0x138/0x258 [ 228.793883][ T6471] do_el0_svc+0x58/0x13c [ 228.794580][ T6471] el0_svc+0x78/0x1d0 [ 228.795187][ T6471] el0t_64_sync_handler+0xcc/0xe4 [ 228.795928][ T6471] el0t_64_sync+0x1a0/0x1a4 [ 228.798485][ T6471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.800397][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.007313][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.008427][ T6473] CPU: 1 PID: 6473 Comm: syz.1.709 Not tainted syzkaller #0 [ 229.009485][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.010939][ T6473] Call trace: [ 229.011384][ T6473] dump_backtrace+0x0/0x458 [ 229.012015][ T6473] show_stack+0x2c/0x3c [ 229.012611][ T6473] __dump_stack+0x30/0x40 [ 229.013239][ T6473] dump_stack_lvl+0xf4/0x15c [ 229.013906][ T6473] dump_stack+0x1c/0x5c [ 229.014533][ T6473] sysfs_create_dir_ns+0x244/0x264 [ 229.015257][ T6473] kobject_add_internal+0x5ac/0xc3c [ 229.016009][ T6473] kobject_init_and_add+0x124/0x190 [ 229.016766][ T6473] gfs2_sys_fs_add+0x200/0x41c [ 229.017431][ T6473] gfs2_fill_super+0xddc/0x1a18 [ 229.018126][ T6473] get_tree_bdev+0x358/0x544 [ 229.018780][ T6473] gfs2_get_tree+0x54/0x1b4 [ 229.019410][ T6473] vfs_get_tree+0x90/0x274 [ 229.020047][ T6473] do_new_mount+0x228/0x810 [ 229.020707][ T6473] path_mount+0x5bc/0x1008 [ 229.021420][ T6473] __arm64_sys_mount+0x514/0x5f0 [ 229.022179][ T6473] invoke_syscall+0x98/0x2b0 [ 229.022833][ T6473] el0_svc_common+0x138/0x258 [ 229.023529][ T6473] do_el0_svc+0x58/0x13c [ 229.024166][ T6473] el0_svc+0x78/0x1d0 [ 229.024738][ T6473] el0t_64_sync_handler+0xcc/0xe4 [ 229.025485][ T6473] el0t_64_sync+0x1a0/0x1a4 [ 229.027516][ T6473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.029452][ T6473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.342487][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.343632][ T6475] CPU: 1 PID: 6475 Comm: syz.1.710 Not tainted syzkaller #0 [ 229.344788][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.346422][ T6475] Call trace: [ 229.346906][ T6475] dump_backtrace+0x0/0x458 [ 229.347600][ T6475] show_stack+0x2c/0x3c [ 229.348221][ T6475] __dump_stack+0x30/0x40 [ 229.348900][ T6475] dump_stack_lvl+0xf4/0x15c [ 229.349579][ T6475] dump_stack+0x1c/0x5c [ 229.350219][ T6475] sysfs_create_dir_ns+0x244/0x264 [ 229.350982][ T6475] kobject_add_internal+0x5ac/0xc3c [ 229.351712][ T6475] kobject_init_and_add+0x124/0x190 [ 229.352440][ T6475] gfs2_sys_fs_add+0x200/0x41c [ 229.353191][ T6475] gfs2_fill_super+0xddc/0x1a18 [ 229.353896][ T6475] get_tree_bdev+0x358/0x544 [ 229.354596][ T6475] gfs2_get_tree+0x54/0x1b4 [ 229.355215][ T6475] vfs_get_tree+0x90/0x274 [ 229.355888][ T6475] do_new_mount+0x228/0x810 [ 229.356553][ T6475] path_mount+0x5bc/0x1008 [ 229.357205][ T6475] __arm64_sys_mount+0x514/0x5f0 [ 229.357905][ T6475] invoke_syscall+0x98/0x2b0 [ 229.358614][ T6475] el0_svc_common+0x138/0x258 [ 229.359314][ T6475] do_el0_svc+0x58/0x13c [ 229.360032][ T6475] el0_svc+0x78/0x1d0 [ 229.360583][ T6475] el0t_64_sync_handler+0xcc/0xe4 [ 229.361375][ T6475] el0t_64_sync+0x1a0/0x1a4 [ 229.363577][ T6475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.365583][ T6475] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.527293][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.528466][ T6477] CPU: 1 PID: 6477 Comm: syz.1.711 Not tainted syzkaller #0 [ 229.529610][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.531175][ T6477] Call trace: [ 229.531706][ T6477] dump_backtrace+0x0/0x458 [ 229.532391][ T6477] show_stack+0x2c/0x3c [ 229.532994][ T6477] __dump_stack+0x30/0x40 [ 229.533666][ T6477] dump_stack_lvl+0xf4/0x15c [ 229.534370][ T6477] dump_stack+0x1c/0x5c [ 229.534960][ T6477] sysfs_create_dir_ns+0x244/0x264 [ 229.535717][ T6477] kobject_add_internal+0x5ac/0xc3c [ 229.536478][ T6477] kobject_init_and_add+0x124/0x190 [ 229.537231][ T6477] gfs2_sys_fs_add+0x200/0x41c [ 229.537893][ T6477] gfs2_fill_super+0xddc/0x1a18 [ 229.538644][ T6477] get_tree_bdev+0x358/0x544 [ 229.539263][ T6477] gfs2_get_tree+0x54/0x1b4 [ 229.539944][ T6477] vfs_get_tree+0x90/0x274 [ 229.540592][ T6477] do_new_mount+0x228/0x810 [ 229.541335][ T6477] path_mount+0x5bc/0x1008 [ 229.541977][ T6477] __arm64_sys_mount+0x514/0x5f0 [ 229.542741][ T6477] invoke_syscall+0x98/0x2b0 [ 229.543461][ T6477] el0_svc_common+0x138/0x258 [ 229.544186][ T6477] do_el0_svc+0x58/0x13c [ 229.544803][ T6477] el0_svc+0x78/0x1d0 [ 229.545345][ T6477] el0t_64_sync_handler+0xcc/0xe4 [ 229.546073][ T6477] el0t_64_sync+0x1a0/0x1a4 [ 229.548560][ T6477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.550731][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.686257][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.687459][ T6479] CPU: 1 PID: 6479 Comm: syz.1.712 Not tainted syzkaller #0 [ 229.688583][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.690054][ T6479] Call trace: [ 229.690511][ T6479] dump_backtrace+0x0/0x458 [ 229.691216][ T6479] show_stack+0x2c/0x3c [ 229.691810][ T6479] __dump_stack+0x30/0x40 [ 229.692411][ T6479] dump_stack_lvl+0xf4/0x15c [ 229.693097][ T6479] dump_stack+0x1c/0x5c [ 229.693691][ T6479] sysfs_create_dir_ns+0x244/0x264 [ 229.694389][ T6479] kobject_add_internal+0x5ac/0xc3c [ 229.695142][ T6479] kobject_init_and_add+0x124/0x190 [ 229.695902][ T6479] gfs2_sys_fs_add+0x200/0x41c [ 229.696654][ T6479] gfs2_fill_super+0xddc/0x1a18 [ 229.697462][ T6479] get_tree_bdev+0x358/0x544 [ 229.698152][ T6479] gfs2_get_tree+0x54/0x1b4 [ 229.698796][ T6479] vfs_get_tree+0x90/0x274 [ 229.699452][ T6479] do_new_mount+0x228/0x810 [ 229.700118][ T6479] path_mount+0x5bc/0x1008 [ 229.700730][ T6479] __arm64_sys_mount+0x514/0x5f0 [ 229.701465][ T6479] invoke_syscall+0x98/0x2b0 [ 229.702087][ T6479] el0_svc_common+0x138/0x258 [ 229.702846][ T6479] do_el0_svc+0x58/0x13c [ 229.703431][ T6479] el0_svc+0x78/0x1d0 [ 229.703990][ T6479] el0t_64_sync_handler+0xcc/0xe4 [ 229.704740][ T6479] el0t_64_sync+0x1a0/0x1a4 [ 229.707037][ T6479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.708873][ T6479] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.872571][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.874086][ T6481] CPU: 1 PID: 6481 Comm: syz.1.713 Not tainted syzkaller #0 [ 229.875164][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.876658][ T6481] Call trace: [ 229.877144][ T6481] dump_backtrace+0x0/0x458 [ 229.877779][ T6481] show_stack+0x2c/0x3c [ 229.878401][ T6481] __dump_stack+0x30/0x40 [ 229.879056][ T6481] dump_stack_lvl+0xf4/0x15c [ 229.879770][ T6481] dump_stack+0x1c/0x5c [ 229.880380][ T6481] sysfs_create_dir_ns+0x244/0x264 [ 229.881099][ T6481] kobject_add_internal+0x5ac/0xc3c [ 229.881891][ T6481] kobject_init_and_add+0x124/0x190 [ 229.882630][ T6481] gfs2_sys_fs_add+0x200/0x41c [ 229.883331][ T6481] gfs2_fill_super+0xddc/0x1a18 [ 229.884033][ T6481] get_tree_bdev+0x358/0x544 [ 229.884655][ T6481] gfs2_get_tree+0x54/0x1b4 [ 229.885290][ T6481] vfs_get_tree+0x90/0x274 [ 229.885911][ T6481] do_new_mount+0x228/0x810 [ 229.886656][ T6481] path_mount+0x5bc/0x1008 [ 229.887398][ T6481] __arm64_sys_mount+0x514/0x5f0 [ 229.888244][ T6481] invoke_syscall+0x98/0x2b0 [ 229.888962][ T6481] el0_svc_common+0x138/0x258 [ 229.889710][ T6481] do_el0_svc+0x58/0x13c [ 229.890365][ T6481] el0_svc+0x78/0x1d0 [ 229.890953][ T6481] el0t_64_sync_handler+0xcc/0xe4 [ 229.891759][ T6481] el0t_64_sync+0x1a0/0x1a4 [ 229.893807][ T6481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.896050][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.031654][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.032753][ T6483] CPU: 0 PID: 6483 Comm: syz.1.714 Not tainted syzkaller #0 [ 230.033874][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.035448][ T6483] Call trace: [ 230.035942][ T6483] dump_backtrace+0x0/0x458 [ 230.036598][ T6483] show_stack+0x2c/0x3c [ 230.037208][ T6483] __dump_stack+0x30/0x40 [ 230.037899][ T6483] dump_stack_lvl+0xf4/0x15c [ 230.038589][ T6483] dump_stack+0x1c/0x5c [ 230.039198][ T6483] sysfs_create_dir_ns+0x244/0x264 [ 230.040028][ T6483] kobject_add_internal+0x5ac/0xc3c [ 230.040839][ T6483] kobject_init_and_add+0x124/0x190 [ 230.041625][ T6483] gfs2_sys_fs_add+0x200/0x41c [ 230.042303][ T6483] gfs2_fill_super+0xddc/0x1a18 [ 230.043070][ T6483] get_tree_bdev+0x358/0x544 [ 230.043763][ T6483] gfs2_get_tree+0x54/0x1b4 [ 230.044509][ T6483] vfs_get_tree+0x90/0x274 [ 230.045218][ T6483] do_new_mount+0x228/0x810 [ 230.045895][ T6483] path_mount+0x5bc/0x1008 [ 230.046595][ T6483] __arm64_sys_mount+0x514/0x5f0 [ 230.047312][ T6483] invoke_syscall+0x98/0x2b0 [ 230.048025][ T6483] el0_svc_common+0x138/0x258 [ 230.048695][ T6483] do_el0_svc+0x58/0x13c [ 230.049328][ T6483] el0_svc+0x78/0x1d0 [ 230.049886][ T6483] el0t_64_sync_handler+0xcc/0xe4 [ 230.050620][ T6483] el0t_64_sync+0x1a0/0x1a4 [ 230.051521][ T6483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.053418][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.217181][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.218330][ T6485] CPU: 0 PID: 6485 Comm: syz.1.715 Not tainted syzkaller #0 [ 230.219437][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.221023][ T6485] Call trace: [ 230.221534][ T6485] dump_backtrace+0x0/0x458 [ 230.222164][ T6485] show_stack+0x2c/0x3c [ 230.222796][ T6485] __dump_stack+0x30/0x40 [ 230.223412][ T6485] dump_stack_lvl+0xf4/0x15c [ 230.224048][ T6485] dump_stack+0x1c/0x5c [ 230.224662][ T6485] sysfs_create_dir_ns+0x244/0x264 [ 230.225426][ T6485] kobject_add_internal+0x5ac/0xc3c [ 230.226182][ T6485] kobject_init_and_add+0x124/0x190 [ 230.226959][ T6485] gfs2_sys_fs_add+0x200/0x41c [ 230.227711][ T6485] gfs2_fill_super+0xddc/0x1a18 [ 230.228404][ T6485] get_tree_bdev+0x358/0x544 [ 230.229098][ T6485] gfs2_get_tree+0x54/0x1b4 [ 230.229814][ T6485] vfs_get_tree+0x90/0x274 [ 230.230450][ T6485] do_new_mount+0x228/0x810 [ 230.231057][ T6485] path_mount+0x5bc/0x1008 [ 230.231694][ T6485] __arm64_sys_mount+0x514/0x5f0 [ 230.232464][ T6485] invoke_syscall+0x98/0x2b0 [ 230.233114][ T6485] el0_svc_common+0x138/0x258 [ 230.233837][ T6485] do_el0_svc+0x58/0x13c [ 230.234444][ T6485] el0_svc+0x78/0x1d0 [ 230.235100][ T6485] el0t_64_sync_handler+0xcc/0xe4 [ 230.235883][ T6485] el0t_64_sync+0x1a0/0x1a4 [ 230.236686][ T6485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.238635][ T6485] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.428831][ T6487] set_capacity_and_notify: 15 callbacks suppressed [ 230.428842][ T6487] loop1: detected capacity change from 0 to 32768 [ 230.495261][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.496855][ T6487] CPU: 0 PID: 6487 Comm: syz.1.716 Not tainted syzkaller #0 [ 230.497986][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.499609][ T6487] Call trace: [ 230.500146][ T6487] dump_backtrace+0x0/0x458 [ 230.500833][ T6487] show_stack+0x2c/0x3c [ 230.501423][ T6487] __dump_stack+0x30/0x40 [ 230.502124][ T6487] dump_stack_lvl+0xf4/0x15c [ 230.502797][ T6487] dump_stack+0x1c/0x5c [ 230.503413][ T6487] sysfs_create_dir_ns+0x244/0x264 [ 230.504240][ T6487] kobject_add_internal+0x5ac/0xc3c [ 230.505001][ T6487] kobject_init_and_add+0x124/0x190 [ 230.505720][ T6487] gfs2_sys_fs_add+0x200/0x41c [ 230.506418][ T6487] gfs2_fill_super+0xddc/0x1a18 [ 230.507140][ T6487] get_tree_bdev+0x358/0x544 [ 230.507828][ T6487] gfs2_get_tree+0x54/0x1b4 [ 230.508525][ T6487] vfs_get_tree+0x90/0x274 [ 230.509265][ T6487] do_new_mount+0x228/0x810 [ 230.509954][ T6487] path_mount+0x5bc/0x1008 [ 230.510608][ T6487] __arm64_sys_mount+0x514/0x5f0 [ 230.511305][ T6487] invoke_syscall+0x98/0x2b0 [ 230.512095][ T6487] el0_svc_common+0x138/0x258 [ 230.512908][ T6487] do_el0_svc+0x58/0x13c [ 230.513687][ T6487] el0_svc+0x78/0x1d0 [ 230.514319][ T6487] el0t_64_sync_handler+0xcc/0xe4 [ 230.515113][ T6487] el0t_64_sync+0x1a0/0x1a4 [ 230.517590][ T6487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.519542][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 704 [ 230.644782][ T6489] loop1: detected capacity change from 0 to 32768 [ 230.691288][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.692423][ T6489] CPU: 0 PID: 6489 Comm: syz.1.717 Not tainted syzkaller #0 [ 230.693623][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.695222][ T6489] Call trace: [ 230.695707][ T6489] dump_backtrace+0x0/0x458 [ 230.696387][ T6489] show_stack+0x2c/0x3c [ 230.697069][ T6489] __dump_stack+0x30/0x40 [ 230.697766][ T6489] dump_stack_lvl+0xf4/0x15c [ 230.698454][ T6489] dump_stack+0x1c/0x5c [ 230.699061][ T6489] sysfs_create_dir_ns+0x244/0x264 [ 230.699797][ T6489] kobject_add_internal+0x5ac/0xc3c [ 230.700512][ T6489] kobject_init_and_add+0x124/0x190 [ 230.701262][ T6489] gfs2_sys_fs_add+0x200/0x41c [ 230.701990][ T6489] gfs2_fill_super+0xddc/0x1a18 [ 230.702685][ T6489] get_tree_bdev+0x358/0x544 [ 230.703339][ T6489] gfs2_get_tree+0x54/0x1b4 [ 230.704001][ T6489] vfs_get_tree+0x90/0x274 [ 230.704717][ T6489] do_new_mount+0x228/0x810 [ 230.705401][ T6489] path_mount+0x5bc/0x1008 [ 230.706084][ T6489] __arm64_sys_mount+0x514/0x5f0 [ 230.706809][ T6489] invoke_syscall+0x98/0x2b0 [ 230.707546][ T6489] el0_svc_common+0x138/0x258 [ 230.708264][ T6489] do_el0_svc+0x58/0x13c [ 230.708880][ T6489] el0_svc+0x78/0x1d0 [ 230.709495][ T6489] el0t_64_sync_handler+0xcc/0xe4 [ 230.710232][ T6489] el0t_64_sync+0x1a0/0x1a4 [ 230.712445][ T6489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.714663][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.841487][ T6491] loop1: detected capacity change from 0 to 32768 [ 230.931925][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.933130][ T6491] CPU: 0 PID: 6491 Comm: syz.1.718 Not tainted syzkaller #0 [ 230.934370][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.936045][ T6491] Call trace: [ 230.936579][ T6491] dump_backtrace+0x0/0x458 [ 230.937260][ T6491] show_stack+0x2c/0x3c [ 230.937853][ T6491] __dump_stack+0x30/0x40 [ 230.938463][ T6491] dump_stack_lvl+0xf4/0x15c [ 230.939118][ T6491] dump_stack+0x1c/0x5c [ 230.939696][ T6491] sysfs_create_dir_ns+0x244/0x264 [ 230.940428][ T6491] kobject_add_internal+0x5ac/0xc3c [ 230.941166][ T6491] kobject_init_and_add+0x124/0x190 [ 230.941899][ T6491] gfs2_sys_fs_add+0x200/0x41c [ 230.942673][ T6491] gfs2_fill_super+0xddc/0x1a18 [ 230.943382][ T6491] get_tree_bdev+0x358/0x544 [ 230.944101][ T6491] gfs2_get_tree+0x54/0x1b4 [ 230.944768][ T6491] vfs_get_tree+0x90/0x274 [ 230.945396][ T6491] do_new_mount+0x228/0x810 [ 230.946023][ T6491] path_mount+0x5bc/0x1008 [ 230.946649][ T6491] __arm64_sys_mount+0x514/0x5f0 [ 230.947415][ T6491] invoke_syscall+0x98/0x2b0 [ 230.948194][ T6491] el0_svc_common+0x138/0x258 [ 230.948858][ T6491] do_el0_svc+0x58/0x13c [ 230.949517][ T6491] el0_svc+0x78/0x1d0 [ 230.950201][ T6491] el0t_64_sync_handler+0xcc/0xe4 [ 230.950938][ T6491] el0t_64_sync+0x1a0/0x1a4 [ 230.952951][ T6491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.954928][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.079841][ T6493] loop1: detected capacity change from 0 to 32768 [ 231.140504][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.141740][ T6493] CPU: 0 PID: 6493 Comm: syz.1.719 Not tainted syzkaller #0 [ 231.142905][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.144475][ T6493] Call trace: [ 231.144992][ T6493] dump_backtrace+0x0/0x458 [ 231.145702][ T6493] show_stack+0x2c/0x3c [ 231.146302][ T6493] __dump_stack+0x30/0x40 [ 231.146992][ T6493] dump_stack_lvl+0xf4/0x15c [ 231.147680][ T6493] dump_stack+0x1c/0x5c [ 231.148281][ T6493] sysfs_create_dir_ns+0x244/0x264 [ 231.149013][ T6493] kobject_add_internal+0x5ac/0xc3c [ 231.149736][ T6493] kobject_init_and_add+0x124/0x190 [ 231.150514][ T6493] gfs2_sys_fs_add+0x200/0x41c [ 231.151197][ T6493] gfs2_fill_super+0xddc/0x1a18 [ 231.151902][ T6493] get_tree_bdev+0x358/0x544 [ 231.152626][ T6493] gfs2_get_tree+0x54/0x1b4 [ 231.153324][ T6493] vfs_get_tree+0x90/0x274 [ 231.153984][ T6493] do_new_mount+0x228/0x810 [ 231.154651][ T6493] path_mount+0x5bc/0x1008 [ 231.155336][ T6493] __arm64_sys_mount+0x514/0x5f0 [ 231.156067][ T6493] invoke_syscall+0x98/0x2b0 [ 231.156746][ T6493] el0_svc_common+0x138/0x258 [ 231.157507][ T6493] do_el0_svc+0x58/0x13c [ 231.158130][ T6493] el0_svc+0x78/0x1d0 [ 231.158713][ T6493] el0t_64_sync_handler+0xcc/0xe4 [ 231.159476][ T6493] el0t_64_sync+0x1a0/0x1a4 [ 231.161498][ T6493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.163321][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.294324][ T6495] loop1: detected capacity change from 0 to 32768 [ 231.342683][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.343876][ T6495] CPU: 0 PID: 6495 Comm: syz.1.720 Not tainted syzkaller #0 [ 231.345075][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.346668][ T6495] Call trace: [ 231.347176][ T6495] dump_backtrace+0x0/0x458 [ 231.347871][ T6495] show_stack+0x2c/0x3c [ 231.348529][ T6495] __dump_stack+0x30/0x40 [ 231.349234][ T6495] dump_stack_lvl+0xf4/0x15c [ 231.349960][ T6495] dump_stack+0x1c/0x5c [ 231.350678][ T6495] sysfs_create_dir_ns+0x244/0x264 [ 231.351397][ T6495] kobject_add_internal+0x5ac/0xc3c [ 231.352131][ T6495] kobject_init_and_add+0x124/0x190 [ 231.352866][ T6495] gfs2_sys_fs_add+0x200/0x41c [ 231.353563][ T6495] gfs2_fill_super+0xddc/0x1a18 [ 231.354335][ T6495] get_tree_bdev+0x358/0x544 [ 231.355026][ T6495] gfs2_get_tree+0x54/0x1b4 [ 231.355733][ T6495] vfs_get_tree+0x90/0x274 [ 231.356437][ T6495] do_new_mount+0x228/0x810 [ 231.357173][ T6495] path_mount+0x5bc/0x1008 [ 231.357915][ T6495] __arm64_sys_mount+0x514/0x5f0 [ 231.358729][ T6495] invoke_syscall+0x98/0x2b0 [ 231.359482][ T6495] el0_svc_common+0x138/0x258 [ 231.360253][ T6495] do_el0_svc+0x58/0x13c [ 231.360921][ T6495] el0_svc+0x78/0x1d0 [ 231.361546][ T6495] el0t_64_sync_handler+0xcc/0xe4 [ 231.362349][ T6495] el0t_64_sync+0x1a0/0x1a4 [ 231.364894][ T6495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.366950][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.497520][ T6497] loop1: detected capacity change from 0 to 32768 [ 231.537367][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.538465][ T6497] CPU: 1 PID: 6497 Comm: syz.1.721 Not tainted syzkaller #0 [ 231.539565][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.541038][ T6497] Call trace: [ 231.541507][ T6497] dump_backtrace+0x0/0x458 [ 231.542191][ T6497] show_stack+0x2c/0x3c [ 231.542790][ T6497] __dump_stack+0x30/0x40 [ 231.543387][ T6497] dump_stack_lvl+0xf4/0x15c [ 231.544010][ T6497] dump_stack+0x1c/0x5c [ 231.544683][ T6497] sysfs_create_dir_ns+0x244/0x264 [ 231.545403][ T6497] kobject_add_internal+0x5ac/0xc3c [ 231.546205][ T6497] kobject_init_and_add+0x124/0x190 [ 231.546989][ T6497] gfs2_sys_fs_add+0x200/0x41c [ 231.547719][ T6497] gfs2_fill_super+0xddc/0x1a18 [ 231.548431][ T6497] get_tree_bdev+0x358/0x544 [ 231.549075][ T6497] gfs2_get_tree+0x54/0x1b4 [ 231.549727][ T6497] vfs_get_tree+0x90/0x274 [ 231.550404][ T6497] do_new_mount+0x228/0x810 [ 231.551027][ T6497] path_mount+0x5bc/0x1008 [ 231.551701][ T6497] __arm64_sys_mount+0x514/0x5f0 [ 231.552460][ T6497] invoke_syscall+0x98/0x2b0 [ 231.553129][ T6497] el0_svc_common+0x138/0x258 [ 231.553777][ T6497] do_el0_svc+0x58/0x13c [ 231.554391][ T6497] el0_svc+0x78/0x1d0 [ 231.555017][ T6497] el0t_64_sync_handler+0xcc/0xe4 [ 231.555720][ T6497] el0t_64_sync+0x1a0/0x1a4 [ 231.556546][ T6497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.558441][ T6497] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.690470][ T6499] loop1: detected capacity change from 0 to 32768 [ 231.697735][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.698802][ T6499] CPU: 0 PID: 6499 Comm: syz.1.722 Not tainted syzkaller #0 [ 231.699947][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.701396][ T6499] Call trace: [ 231.701881][ T6499] dump_backtrace+0x0/0x458 [ 231.702522][ T6499] show_stack+0x2c/0x3c [ 231.703082][ T6499] __dump_stack+0x30/0x40 [ 231.703763][ T6499] dump_stack_lvl+0xf4/0x15c [ 231.704440][ T6499] dump_stack+0x1c/0x5c [ 231.705050][ T6499] sysfs_create_dir_ns+0x244/0x264 [ 231.705787][ T6499] kobject_add_internal+0x5ac/0xc3c [ 231.706561][ T6499] kobject_init_and_add+0x124/0x190 [ 231.707408][ T6499] gfs2_sys_fs_add+0x200/0x41c [ 231.708075][ T6499] gfs2_fill_super+0xddc/0x1a18 [ 231.708829][ T6499] get_tree_bdev+0x358/0x544 [ 231.709517][ T6499] gfs2_get_tree+0x54/0x1b4 [ 231.710178][ T6499] vfs_get_tree+0x90/0x274 [ 231.710900][ T6499] do_new_mount+0x228/0x810 [ 231.711644][ T6499] path_mount+0x5bc/0x1008 [ 231.712318][ T6499] __arm64_sys_mount+0x514/0x5f0 [ 231.713110][ T6499] invoke_syscall+0x98/0x2b0 [ 231.713824][ T6499] el0_svc_common+0x138/0x258 [ 231.714531][ T6499] do_el0_svc+0x58/0x13c [ 231.715203][ T6499] el0_svc+0x78/0x1d0 [ 231.715802][ T6499] el0t_64_sync_handler+0xcc/0xe4 [ 231.716561][ T6499] el0t_64_sync+0x1a0/0x1a4 [ 231.718729][ T6499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.720632][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.852574][ T6501] loop1: detected capacity change from 0 to 32768 [ 231.915625][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.916943][ T6501] CPU: 0 PID: 6501 Comm: syz.1.723 Not tainted syzkaller #0 [ 231.918070][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.919735][ T6501] Call trace: [ 231.920247][ T6501] dump_backtrace+0x0/0x458 [ 231.921013][ T6501] show_stack+0x2c/0x3c [ 231.921686][ T6501] __dump_stack+0x30/0x40 [ 231.922416][ T6501] dump_stack_lvl+0xf4/0x15c [ 231.923083][ T6501] dump_stack+0x1c/0x5c [ 231.923706][ T6501] sysfs_create_dir_ns+0x244/0x264 [ 231.924442][ T6501] kobject_add_internal+0x5ac/0xc3c [ 231.925205][ T6501] kobject_init_and_add+0x124/0x190 [ 231.925951][ T6501] gfs2_sys_fs_add+0x200/0x41c [ 231.926729][ T6501] gfs2_fill_super+0xddc/0x1a18 [ 231.927504][ T6501] get_tree_bdev+0x358/0x544 [ 231.928264][ T6501] gfs2_get_tree+0x54/0x1b4 [ 231.928966][ T6501] vfs_get_tree+0x90/0x274 [ 231.929655][ T6501] do_new_mount+0x228/0x810 [ 231.930321][ T6501] path_mount+0x5bc/0x1008 [ 231.930972][ T6501] __arm64_sys_mount+0x514/0x5f0 [ 231.931715][ T6501] invoke_syscall+0x98/0x2b0 [ 231.932374][ T6501] el0_svc_common+0x138/0x258 [ 231.933095][ T6501] do_el0_svc+0x58/0x13c [ 231.933707][ T6501] el0_svc+0x78/0x1d0 [ 231.934288][ T6501] el0t_64_sync_handler+0xcc/0xe4 [ 231.934999][ T6501] el0t_64_sync+0x1a0/0x1a4 [ 231.936175][ T6501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.939050][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.069685][ T6503] loop1: detected capacity change from 0 to 32768 [ 232.076563][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.077803][ T6503] CPU: 1 PID: 6503 Comm: syz.1.724 Not tainted syzkaller #0 [ 232.078900][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.080386][ T6503] Call trace: [ 232.080857][ T6503] dump_backtrace+0x0/0x458 [ 232.081451][ T6503] show_stack+0x2c/0x3c [ 232.082082][ T6503] __dump_stack+0x30/0x40 [ 232.082701][ T6503] dump_stack_lvl+0xf4/0x15c [ 232.083390][ T6503] dump_stack+0x1c/0x5c [ 232.083996][ T6503] sysfs_create_dir_ns+0x244/0x264 [ 232.084805][ T6503] kobject_add_internal+0x5ac/0xc3c [ 232.085558][ T6503] kobject_init_and_add+0x124/0x190 [ 232.086355][ T6503] gfs2_sys_fs_add+0x200/0x41c [ 232.087097][ T6503] gfs2_fill_super+0xddc/0x1a18 [ 232.087852][ T6503] get_tree_bdev+0x358/0x544 [ 232.088588][ T6503] gfs2_get_tree+0x54/0x1b4 [ 232.089253][ T6503] vfs_get_tree+0x90/0x274 [ 232.089902][ T6503] do_new_mount+0x228/0x810 [ 232.090607][ T6503] path_mount+0x5bc/0x1008 [ 232.091252][ T6503] __arm64_sys_mount+0x514/0x5f0 [ 232.091992][ T6503] invoke_syscall+0x98/0x2b0 [ 232.092646][ T6503] el0_svc_common+0x138/0x258 [ 232.093400][ T6503] do_el0_svc+0x58/0x13c [ 232.094005][ T6503] el0_svc+0x78/0x1d0 [ 232.094590][ T6503] el0t_64_sync_handler+0xcc/0xe4 [ 232.095314][ T6503] el0t_64_sync+0x1a0/0x1a4 [ 232.096135][ T6503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.098055][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.156205][ T27] INFO: task syz.0.15:5029 blocked for more than 143 seconds. [ 232.157460][ T27] Not tainted syzkaller #0 [ 232.158201][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.159533][ T27] task:syz.0.15 state:D stack: 0 pid: 5029 ppid: 4895 flags:0x00000009 [ 232.160946][ T27] Call trace: [ 232.161428][ T27] __switch_to+0x2f4/0x540 [ 232.162046][ T27] __schedule+0xdfc/0x1bc4 [ 232.162707][ T27] schedule+0x11c/0x1c8 [ 232.163353][ T27] bit_wait+0x1c/0xac [ 232.163937][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 232.164755][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 232.175845][ T27] init_journal+0x1250/0x1e34 [ 232.176865][ T27] init_inodes+0xe0/0x2d4 [ 232.177467][ T27] gfs2_fill_super+0x1264/0x1a18 [ 232.178190][ T27] get_tree_bdev+0x358/0x544 [ 232.178869][ T27] gfs2_get_tree+0x54/0x1b4 [ 232.179460][ T27] vfs_get_tree+0x90/0x274 [ 232.180068][ T27] do_new_mount+0x228/0x810 [ 232.180753][ T27] path_mount+0x5bc/0x1008 [ 232.181413][ T27] __arm64_sys_mount+0x514/0x5f0 [ 232.182119][ T27] invoke_syscall+0x98/0x2b0 [ 232.182904][ T27] el0_svc_common+0x138/0x258 [ 232.183611][ T27] do_el0_svc+0x58/0x13c [ 232.184305][ T27] el0_svc+0x78/0x1d0 [ 232.184888][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.185669][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.196110][ T27] [ 232.196110][ T27] Showing all locks held in the system: [ 232.197404][ T27] 1 lock held by khungtaskd/27: [ 232.198095][ T27] #0: ffff800014461360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.199485][ T27] 2 locks held by kworker/1:2/1970: [ 232.200222][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 232.201905][ T27] #1: ffff800024ec7c00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 232.203875][ T27] 2 locks held by getty/3805: [ 232.204633][ T27] #0: ffff0000d3445098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.216110][ T27] #1: ffff80001be8b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.217891][ T27] 1 lock held by syz.0.15/5029: [ 232.218622][ T27] #0: ffff0000d9af00e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x81c [ 232.220187][ T27] 2 locks held by syz.1.725/6505: [ 232.220935][ T27] [ 232.221292][ T27] ============================================= [ 232.221292][ T27] [ 232.222530][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.223567][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.224649][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.226188][ T27] Call trace: [ 232.226667][ T27] dump_backtrace+0x0/0x458 [ 232.227315][ T27] show_stack+0x2c/0x3c [ 232.227916][ T27] __dump_stack+0x30/0x40 [ 232.228598][ T27] dump_stack_lvl+0xf4/0x15c [ 232.229256][ T27] dump_stack+0x1c/0x5c [ 232.229871][ T27] panic+0x2fc/0x860 [ 232.229882][ T6505] loop1: detected capacity change from 0 to 32768 [ 232.230419][ T27] hung_task_panic+0x0/0x2c [ 232.232073][ T27] kthread+0x374/0x454 [ 232.232663][ T27] ret_from_fork+0x10/0x20 [ 232.233331][ T27] SMP: stopping secondary CPUs [ 232.233987][ T27] Kernel Offset: disabled [ 232.234635][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.235360][ T27] Memory Limit: none [ 232.561926][ T27] Rebooting in 86400 seconds..