35 Not tainted syzkaller #0 [ 64.071915][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.073462][ T4561] Call trace: [ 64.073957][ T4561] dump_backtrace+0x1c8/0x1f4 [ 64.074663][ T4561] show_stack+0x2c/0x3c [ 64.075298][ T4561] __dump_stack+0x30/0x40 [ 64.075927][ T4561] dump_stack_lvl+0xf8/0x160 [ 64.076531][ T4561] dump_stack+0x1c/0x5c [ 64.077154][ T4561] sysfs_create_dir_ns+0x22c/0x24c [ 64.077889][ T4561] kobject_add_internal+0x5a8/0xb30 [ 64.078642][ T4561] kobject_init_and_add+0x118/0x17c [ 64.079389][ T4561] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.080140][ T4561] gfs2_fill_super+0xdec/0x19ec [ 64.080867][ T4561] get_tree_bdev+0x358/0x544 [ 64.081573][ T4561] gfs2_get_tree+0x54/0x1b4 [ 64.082279][ T4561] vfs_get_tree+0x90/0x274 [ 64.082931][ T4561] do_new_mount+0x228/0x810 [ 64.083601][ T4561] path_mount+0x5b4/0xe78 [ 64.084270][ T4561] __arm64_sys_mount+0x49c/0x584 [ 64.084941][ T4561] invoke_syscall+0x98/0x2bc [ 64.085680][ T4561] el0_svc_common+0x138/0x258 [ 64.086379][ T4561] do_el0_svc+0x58/0x13c [ 64.087021][ T4561] el0_svc+0x58/0x138 [ 64.087670][ T4561] el0t_64_sync_handler+0x84/0xf0 [ 64.088473][ T4561] el0t_64_sync+0x18c/0x190 [ 64.090841][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.093299][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.220687][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.221916][ T4563] CPU: 0 PID: 4563 Comm: syz.1.36 Not tainted syzkaller #0 [ 64.223060][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.224573][ T4563] Call trace: [ 64.225078][ T4563] dump_backtrace+0x1c8/0x1f4 [ 64.225864][ T4563] show_stack+0x2c/0x3c [ 64.226473][ T4563] __dump_stack+0x30/0x40 [ 64.227055][ T4563] dump_stack_lvl+0xf8/0x160 [ 64.227691][ T4563] dump_stack+0x1c/0x5c [ 64.228305][ T4563] sysfs_create_dir_ns+0x22c/0x24c [ 64.229144][ T4563] kobject_add_internal+0x5a8/0xb30 [ 64.229941][ T4563] kobject_init_and_add+0x118/0x17c [ 64.230713][ T4563] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.231406][ T4563] gfs2_fill_super+0xdec/0x19ec [ 64.232178][ T4563] get_tree_bdev+0x358/0x544 [ 64.232812][ T4563] gfs2_get_tree+0x54/0x1b4 [ 64.233447][ T4563] vfs_get_tree+0x90/0x274 [ 64.234111][ T4563] do_new_mount+0x228/0x810 [ 64.234774][ T4563] path_mount+0x5b4/0xe78 [ 64.235511][ T4563] __arm64_sys_mount+0x49c/0x584 [ 64.236318][ T4563] invoke_syscall+0x98/0x2bc [ 64.236992][ T4563] el0_svc_common+0x138/0x258 [ 64.237696][ T4563] do_el0_svc+0x58/0x13c [ 64.238375][ T4563] el0_svc+0x58/0x138 [ 64.239014][ T4563] el0t_64_sync_handler+0x84/0xf0 [ 64.239744][ T4563] el0t_64_sync+0x18c/0x190 [ 64.240599][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.242502][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.367583][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.369782][ T4565] CPU: 1 PID: 4565 Comm: syz.1.37 Not tainted syzkaller #0 [ 64.371237][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.372808][ T4565] Call trace: [ 64.373299][ T4565] dump_backtrace+0x1c8/0x1f4 [ 64.373999][ T4565] show_stack+0x2c/0x3c [ 64.374580][ T4565] __dump_stack+0x30/0x40 [ 64.375244][ T4565] dump_stack_lvl+0xf8/0x160 [ 64.375922][ T4565] dump_stack+0x1c/0x5c [ 64.376542][ T4565] sysfs_create_dir_ns+0x22c/0x24c [ 64.377285][ T4565] kobject_add_internal+0x5a8/0xb30 [ 64.378095][ T4565] kobject_init_and_add+0x118/0x17c [ 64.378869][ T4565] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.379559][ T4565] gfs2_fill_super+0xdec/0x19ec [ 64.380298][ T4565] get_tree_bdev+0x358/0x544 [ 64.380986][ T4565] gfs2_get_tree+0x54/0x1b4 [ 64.381632][ T4565] vfs_get_tree+0x90/0x274 [ 64.382306][ T4565] do_new_mount+0x228/0x810 [ 64.383053][ T4565] path_mount+0x5b4/0xe78 [ 64.383708][ T4565] __arm64_sys_mount+0x49c/0x584 [ 64.384491][ T4565] invoke_syscall+0x98/0x2bc [ 64.385245][ T4565] el0_svc_common+0x138/0x258 [ 64.385940][ T4565] do_el0_svc+0x58/0x13c [ 64.386604][ T4565] el0_svc+0x58/0x138 [ 64.387189][ T4565] el0t_64_sync_handler+0x84/0xf0 [ 64.387965][ T4565] el0t_64_sync+0x18c/0x190 [ 64.389841][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.391743][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.490138][ T113] cfg80211: failed to load regulatory.db [ 64.491933][ T2062] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.492915][ T2062] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.530673][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.531868][ T4567] CPU: 0 PID: 4567 Comm: syz.1.38 Not tainted syzkaller #0 [ 64.532924][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.534379][ T4567] Call trace: [ 64.534819][ T4567] dump_backtrace+0x1c8/0x1f4 [ 64.535472][ T4567] show_stack+0x2c/0x3c [ 64.536092][ T4567] __dump_stack+0x30/0x40 [ 64.536733][ T4567] dump_stack_lvl+0xf8/0x160 [ 64.537393][ T4567] dump_stack+0x1c/0x5c [ 64.538011][ T4567] sysfs_create_dir_ns+0x22c/0x24c [ 64.538840][ T4567] kobject_add_internal+0x5a8/0xb30 [ 64.539577][ T4567] kobject_init_and_add+0x118/0x17c [ 64.540438][ T4567] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.541114][ T4567] gfs2_fill_super+0xdec/0x19ec [ 64.541826][ T4567] get_tree_bdev+0x358/0x544 [ 64.542535][ T4567] gfs2_get_tree+0x54/0x1b4 [ 64.543199][ T4567] vfs_get_tree+0x90/0x274 [ 64.543860][ T4567] do_new_mount+0x228/0x810 [ 64.544521][ T4567] path_mount+0x5b4/0xe78 [ 64.545128][ T4567] __arm64_sys_mount+0x49c/0x584 [ 64.545795][ T4567] invoke_syscall+0x98/0x2bc [ 64.546482][ T4567] el0_svc_common+0x138/0x258 [ 64.547142][ T4567] do_el0_svc+0x58/0x13c [ 64.547691][ T4567] el0_svc+0x58/0x138 [ 64.548264][ T4567] el0t_64_sync_handler+0x84/0xf0 [ 64.549005][ T4567] el0t_64_sync+0x18c/0x190 [ 64.551282][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.553188][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.684801][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.685914][ T4569] CPU: 1 PID: 4569 Comm: syz.1.39 Not tainted syzkaller #0 [ 64.687016][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.688489][ T4569] Call trace: [ 64.688955][ T4569] dump_backtrace+0x1c8/0x1f4 [ 64.689672][ T4569] show_stack+0x2c/0x3c [ 64.690313][ T4569] __dump_stack+0x30/0x40 [ 64.690954][ T4569] dump_stack_lvl+0xf8/0x160 [ 64.691646][ T4569] dump_stack+0x1c/0x5c [ 64.692338][ T4569] sysfs_create_dir_ns+0x22c/0x24c [ 64.693134][ T4569] kobject_add_internal+0x5a8/0xb30 [ 64.693940][ T4569] kobject_init_and_add+0x118/0x17c [ 64.694681][ T4569] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.695385][ T4569] gfs2_fill_super+0xdec/0x19ec [ 64.696075][ T4569] get_tree_bdev+0x358/0x544 [ 64.696797][ T4569] gfs2_get_tree+0x54/0x1b4 [ 64.697439][ T4569] vfs_get_tree+0x90/0x274 [ 64.698120][ T4569] do_new_mount+0x228/0x810 [ 64.698756][ T4569] path_mount+0x5b4/0xe78 [ 64.699398][ T4569] __arm64_sys_mount+0x49c/0x584 [ 64.700170][ T4569] invoke_syscall+0x98/0x2bc [ 64.700861][ T4569] el0_svc_common+0x138/0x258 [ 64.701555][ T4569] do_el0_svc+0x58/0x13c [ 64.702110][ T4569] el0_svc+0x58/0x138 [ 64.702679][ T4569] el0t_64_sync_handler+0x84/0xf0 [ 64.703411][ T4569] el0t_64_sync+0x18c/0x190 [ 64.705307][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.709116][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.808640][ T47] Bluetooth: hci1: command 0x041b tx timeout [ 64.840062][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.841300][ T4571] CPU: 0 PID: 4571 Comm: syz.1.40 Not tainted syzkaller #0 [ 64.842414][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.843919][ T4571] Call trace: [ 64.844412][ T4571] dump_backtrace+0x1c8/0x1f4 [ 64.845091][ T4571] show_stack+0x2c/0x3c [ 64.845728][ T4571] __dump_stack+0x30/0x40 [ 64.846356][ T4571] dump_stack_lvl+0xf8/0x160 [ 64.847006][ T4571] dump_stack+0x1c/0x5c [ 64.847584][ T4571] sysfs_create_dir_ns+0x22c/0x24c [ 64.848316][ T4571] kobject_add_internal+0x5a8/0xb30 [ 64.849090][ T4571] kobject_init_and_add+0x118/0x17c [ 64.849940][ T4571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.850633][ T4571] gfs2_fill_super+0xdec/0x19ec [ 64.851369][ T4571] get_tree_bdev+0x358/0x544 [ 64.852015][ T4571] gfs2_get_tree+0x54/0x1b4 [ 64.852662][ T4571] vfs_get_tree+0x90/0x274 [ 64.853333][ T4571] do_new_mount+0x228/0x810 [ 64.854085][ T4571] path_mount+0x5b4/0xe78 [ 64.854728][ T4571] __arm64_sys_mount+0x49c/0x584 [ 64.855475][ T4571] invoke_syscall+0x98/0x2bc [ 64.856135][ T4571] el0_svc_common+0x138/0x258 [ 64.856826][ T4571] do_el0_svc+0x58/0x13c [ 64.857404][ T4571] el0_svc+0x58/0x138 [ 64.858022][ T4571] el0t_64_sync_handler+0x84/0xf0 [ 64.858751][ T4571] el0t_64_sync+0x18c/0x190 [ 64.860121][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 64.863679][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 64.983682][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 64.984933][ T4573] CPU: 1 PID: 4573 Comm: syz.1.41 Not tainted syzkaller #0 [ 64.986252][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 64.987884][ T4573] Call trace: [ 64.988463][ T4573] dump_backtrace+0x1c8/0x1f4 [ 64.989249][ T4573] show_stack+0x2c/0x3c [ 64.989870][ T4573] __dump_stack+0x30/0x40 [ 64.990544][ T4573] dump_stack_lvl+0xf8/0x160 [ 64.991287][ T4573] dump_stack+0x1c/0x5c [ 64.991919][ T4573] sysfs_create_dir_ns+0x22c/0x24c [ 64.992666][ T4573] kobject_add_internal+0x5a8/0xb30 [ 64.993452][ T4573] kobject_init_and_add+0x118/0x17c [ 64.994241][ T4573] gfs2_sys_fs_add+0x1dc/0x3d8 [ 64.994956][ T4573] gfs2_fill_super+0xdec/0x19ec [ 64.995683][ T4573] get_tree_bdev+0x358/0x544 [ 64.996358][ T4573] gfs2_get_tree+0x54/0x1b4 [ 64.997010][ T4573] vfs_get_tree+0x90/0x274 [ 64.997660][ T4573] do_new_mount+0x228/0x810 [ 64.998319][ T4573] path_mount+0x5b4/0xe78 [ 64.998919][ T4573] __arm64_sys_mount+0x49c/0x584 [ 64.999659][ T4573] invoke_syscall+0x98/0x2bc [ 65.000339][ T4573] el0_svc_common+0x138/0x258 [ 65.000994][ T4573] do_el0_svc+0x58/0x13c [ 65.001575][ T4573] el0_svc+0x58/0x138 [ 65.002139][ T4573] el0t_64_sync_handler+0x84/0xf0 [ 65.003029][ T4573] el0t_64_sync+0x18c/0x190 [ 65.003980][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.006041][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.137999][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.139835][ T4575] CPU: 0 PID: 4575 Comm: syz.1.42 Not tainted syzkaller #0 [ 65.140942][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.142412][ T4575] Call trace: [ 65.142932][ T4575] dump_backtrace+0x1c8/0x1f4 [ 65.143634][ T4575] show_stack+0x2c/0x3c [ 65.144206][ T4575] __dump_stack+0x30/0x40 [ 65.144862][ T4575] dump_stack_lvl+0xf8/0x160 [ 65.145517][ T4575] dump_stack+0x1c/0x5c [ 65.146136][ T4575] sysfs_create_dir_ns+0x22c/0x24c [ 65.146836][ T4575] kobject_add_internal+0x5a8/0xb30 [ 65.147602][ T4575] kobject_init_and_add+0x118/0x17c [ 65.148364][ T4575] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.149098][ T4575] gfs2_fill_super+0xdec/0x19ec [ 65.149832][ T4575] get_tree_bdev+0x358/0x544 [ 65.150497][ T4575] gfs2_get_tree+0x54/0x1b4 [ 65.151170][ T4575] vfs_get_tree+0x90/0x274 [ 65.151821][ T4575] do_new_mount+0x228/0x810 [ 65.152447][ T4575] path_mount+0x5b4/0xe78 [ 65.153086][ T4575] __arm64_sys_mount+0x49c/0x584 [ 65.153799][ T4575] invoke_syscall+0x98/0x2bc [ 65.154470][ T4575] el0_svc_common+0x138/0x258 [ 65.155106][ T4575] do_el0_svc+0x58/0x13c [ 65.155740][ T4575] el0_svc+0x58/0x138 [ 65.156312][ T4575] el0t_64_sync_handler+0x84/0xf0 [ 65.157062][ T4575] el0t_64_sync+0x18c/0x190 [ 65.158659][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.160678][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.294007][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.295177][ T4577] CPU: 1 PID: 4577 Comm: syz.1.43 Not tainted syzkaller #0 [ 65.296309][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.297706][ T4577] Call trace: [ 65.298216][ T4577] dump_backtrace+0x1c8/0x1f4 [ 65.298936][ T4577] show_stack+0x2c/0x3c [ 65.299632][ T4577] __dump_stack+0x30/0x40 [ 65.300306][ T4577] dump_stack_lvl+0xf8/0x160 [ 65.301005][ T4577] dump_stack+0x1c/0x5c [ 65.301688][ T4577] sysfs_create_dir_ns+0x22c/0x24c [ 65.302510][ T4577] kobject_add_internal+0x5a8/0xb30 [ 65.303326][ T4577] kobject_init_and_add+0x118/0x17c [ 65.304138][ T4577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.304860][ T4577] gfs2_fill_super+0xdec/0x19ec [ 65.305720][ T4577] get_tree_bdev+0x358/0x544 [ 65.306534][ T4577] gfs2_get_tree+0x54/0x1b4 [ 65.307274][ T4577] vfs_get_tree+0x90/0x274 [ 65.308052][ T4577] do_new_mount+0x228/0x810 [ 65.308757][ T4577] path_mount+0x5b4/0xe78 [ 65.309405][ T4577] __arm64_sys_mount+0x49c/0x584 [ 65.310125][ T4577] invoke_syscall+0x98/0x2bc [ 65.310792][ T4577] el0_svc_common+0x138/0x258 [ 65.311470][ T4577] do_el0_svc+0x58/0x13c [ 65.312094][ T4577] el0_svc+0x58/0x138 [ 65.312663][ T4577] el0t_64_sync_handler+0x84/0xf0 [ 65.313365][ T4577] el0t_64_sync+0x18c/0x190 [ 65.314390][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.316398][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.444846][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.446039][ T4579] CPU: 0 PID: 4579 Comm: syz.1.44 Not tainted syzkaller #0 [ 65.447068][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.448494][ T4579] Call trace: [ 65.449043][ T4579] dump_backtrace+0x1c8/0x1f4 [ 65.449782][ T4579] show_stack+0x2c/0x3c [ 65.450492][ T4579] __dump_stack+0x30/0x40 [ 65.451176][ T4579] dump_stack_lvl+0xf8/0x160 [ 65.451859][ T4579] dump_stack+0x1c/0x5c [ 65.452514][ T4579] sysfs_create_dir_ns+0x22c/0x24c [ 65.453434][ T4579] kobject_add_internal+0x5a8/0xb30 [ 65.454305][ T4579] kobject_init_and_add+0x118/0x17c [ 65.455084][ T4579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.455773][ T4579] gfs2_fill_super+0xdec/0x19ec [ 65.456507][ T4579] get_tree_bdev+0x358/0x544 [ 65.457148][ T4579] gfs2_get_tree+0x54/0x1b4 [ 65.457784][ T4579] vfs_get_tree+0x90/0x274 [ 65.458456][ T4579] do_new_mount+0x228/0x810 [ 65.459120][ T4579] path_mount+0x5b4/0xe78 [ 65.459812][ T4579] __arm64_sys_mount+0x49c/0x584 [ 65.460581][ T4579] invoke_syscall+0x98/0x2bc [ 65.461253][ T4579] el0_svc_common+0x138/0x258 [ 65.462000][ T4579] do_el0_svc+0x58/0x13c [ 65.462687][ T4579] el0_svc+0x58/0x138 [ 65.463270][ T4579] el0t_64_sync_handler+0x84/0xf0 [ 65.464032][ T4579] el0t_64_sync+0x18c/0x190 [ 65.466953][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.469102][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.602484][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.603669][ T4581] CPU: 0 PID: 4581 Comm: syz.1.45 Not tainted syzkaller #0 [ 65.604712][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.606258][ T4581] Call trace: [ 65.606716][ T4581] dump_backtrace+0x1c8/0x1f4 [ 65.607483][ T4581] show_stack+0x2c/0x3c [ 65.608058][ T4581] __dump_stack+0x30/0x40 [ 65.608693][ T4581] dump_stack_lvl+0xf8/0x160 [ 65.609342][ T4581] dump_stack+0x1c/0x5c [ 65.610084][ T4581] sysfs_create_dir_ns+0x22c/0x24c [ 65.610934][ T4581] kobject_add_internal+0x5a8/0xb30 [ 65.611821][ T4581] kobject_init_and_add+0x118/0x17c [ 65.612653][ T4581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.613368][ T4581] gfs2_fill_super+0xdec/0x19ec [ 65.614141][ T4581] get_tree_bdev+0x358/0x544 [ 65.614838][ T4581] gfs2_get_tree+0x54/0x1b4 [ 65.615556][ T4581] vfs_get_tree+0x90/0x274 [ 65.616265][ T4581] do_new_mount+0x228/0x810 [ 65.616957][ T4581] path_mount+0x5b4/0xe78 [ 65.617568][ T4581] __arm64_sys_mount+0x49c/0x584 [ 65.618352][ T4581] invoke_syscall+0x98/0x2bc [ 65.619043][ T4581] el0_svc_common+0x138/0x258 [ 65.619850][ T4581] do_el0_svc+0x58/0x13c [ 65.620588][ T4581] el0_svc+0x58/0x138 [ 65.621248][ T4581] el0t_64_sync_handler+0x84/0xf0 [ 65.622088][ T4581] el0t_64_sync+0x18c/0x190 [ 65.625838][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.627990][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.775081][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.776210][ T4583] CPU: 0 PID: 4583 Comm: syz.1.46 Not tainted syzkaller #0 [ 65.777265][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.778730][ T4583] Call trace: [ 65.779226][ T4583] dump_backtrace+0x1c8/0x1f4 [ 65.779904][ T4583] show_stack+0x2c/0x3c [ 65.780497][ T4583] __dump_stack+0x30/0x40 [ 65.781215][ T4583] dump_stack_lvl+0xf8/0x160 [ 65.781865][ T4583] dump_stack+0x1c/0x5c [ 65.782482][ T4583] sysfs_create_dir_ns+0x22c/0x24c [ 65.783232][ T4583] kobject_add_internal+0x5a8/0xb30 [ 65.783991][ T4583] kobject_init_and_add+0x118/0x17c [ 65.784783][ T4583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.785455][ T4583] gfs2_fill_super+0xdec/0x19ec [ 65.786183][ T4583] get_tree_bdev+0x358/0x544 [ 65.786877][ T4583] gfs2_get_tree+0x54/0x1b4 [ 65.787528][ T4583] vfs_get_tree+0x90/0x274 [ 65.788196][ T4583] do_new_mount+0x228/0x810 [ 65.788872][ T4583] path_mount+0x5b4/0xe78 [ 65.789501][ T4583] __arm64_sys_mount+0x49c/0x584 [ 65.790215][ T4583] invoke_syscall+0x98/0x2bc [ 65.790846][ T4583] el0_svc_common+0x138/0x258 [ 65.791511][ T4583] do_el0_svc+0x58/0x13c [ 65.792103][ T4583] el0_svc+0x58/0x138 [ 65.792701][ T4583] el0t_64_sync_handler+0x84/0xf0 [ 65.793388][ T4583] el0t_64_sync+0x18c/0x190 [ 65.795328][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.797248][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 65.935231][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 65.936488][ T4585] CPU: 0 PID: 4585 Comm: syz.1.47 Not tainted syzkaller #0 [ 65.937532][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 65.938982][ T4585] Call trace: [ 65.939458][ T4585] dump_backtrace+0x1c8/0x1f4 [ 65.940152][ T4585] show_stack+0x2c/0x3c [ 65.940801][ T4585] __dump_stack+0x30/0x40 [ 65.941470][ T4585] dump_stack_lvl+0xf8/0x160 [ 65.942140][ T4585] dump_stack+0x1c/0x5c [ 65.942733][ T4585] sysfs_create_dir_ns+0x22c/0x24c [ 65.943435][ T4585] kobject_add_internal+0x5a8/0xb30 [ 65.944240][ T4585] kobject_init_and_add+0x118/0x17c [ 65.944983][ T4585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 65.945643][ T4585] gfs2_fill_super+0xdec/0x19ec [ 65.946342][ T4585] get_tree_bdev+0x358/0x544 [ 65.946934][ T4585] gfs2_get_tree+0x54/0x1b4 [ 65.947594][ T4585] vfs_get_tree+0x90/0x274 [ 65.948248][ T4585] do_new_mount+0x228/0x810 [ 65.948927][ T4585] path_mount+0x5b4/0xe78 [ 65.949619][ T4585] __arm64_sys_mount+0x49c/0x584 [ 65.950326][ T4585] invoke_syscall+0x98/0x2bc [ 65.951008][ T4585] el0_svc_common+0x138/0x258 [ 65.951655][ T4585] do_el0_svc+0x58/0x13c [ 65.952246][ T4585] el0_svc+0x58/0x138 [ 65.952832][ T4585] el0t_64_sync_handler+0x84/0xf0 [ 65.953545][ T4585] el0t_64_sync+0x18c/0x190 [ 65.955520][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 65.957449][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.082191][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.083385][ T4587] CPU: 1 PID: 4587 Comm: syz.1.48 Not tainted syzkaller #0 [ 66.084401][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.085834][ T4587] Call trace: [ 66.086303][ T4587] dump_backtrace+0x1c8/0x1f4 [ 66.086965][ T4587] show_stack+0x2c/0x3c [ 66.087579][ T4587] __dump_stack+0x30/0x40 [ 66.088225][ T4587] dump_stack_lvl+0xf8/0x160 [ 66.088922][ T4587] dump_stack+0x1c/0x5c [ 66.089568][ T4587] sysfs_create_dir_ns+0x22c/0x24c [ 66.090423][ T4587] kobject_add_internal+0x5a8/0xb30 [ 66.091166][ T4587] kobject_init_and_add+0x118/0x17c [ 66.091975][ T4587] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.092760][ T4587] gfs2_fill_super+0xdec/0x19ec [ 66.093500][ T4587] get_tree_bdev+0x358/0x544 [ 66.094171][ T4587] gfs2_get_tree+0x54/0x1b4 [ 66.094930][ T4587] vfs_get_tree+0x90/0x274 [ 66.095663][ T4587] do_new_mount+0x228/0x810 [ 66.096367][ T4587] path_mount+0x5b4/0xe78 [ 66.097089][ T4587] __arm64_sys_mount+0x49c/0x584 [ 66.097934][ T4587] invoke_syscall+0x98/0x2bc [ 66.098688][ T4587] el0_svc_common+0x138/0x258 [ 66.099392][ T4587] do_el0_svc+0x58/0x13c [ 66.100009][ T4587] el0_svc+0x58/0x138 [ 66.100663][ T4587] el0t_64_sync_handler+0x84/0xf0 [ 66.101465][ T4587] el0t_64_sync+0x18c/0x190 [ 66.102332][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.104148][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.227725][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.229021][ T4589] CPU: 0 PID: 4589 Comm: syz.1.49 Not tainted syzkaller #0 [ 66.230125][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.231575][ T4589] Call trace: [ 66.232072][ T4589] dump_backtrace+0x1c8/0x1f4 [ 66.232785][ T4589] show_stack+0x2c/0x3c [ 66.233418][ T4589] __dump_stack+0x30/0x40 [ 66.234059][ T4589] dump_stack_lvl+0xf8/0x160 [ 66.234725][ T4589] dump_stack+0x1c/0x5c [ 66.235377][ T4589] sysfs_create_dir_ns+0x22c/0x24c [ 66.236172][ T4589] kobject_add_internal+0x5a8/0xb30 [ 66.236891][ T4589] kobject_init_and_add+0x118/0x17c [ 66.237644][ T4589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.238354][ T4589] gfs2_fill_super+0xdec/0x19ec [ 66.239115][ T4589] get_tree_bdev+0x358/0x544 [ 66.239773][ T4589] gfs2_get_tree+0x54/0x1b4 [ 66.240509][ T4589] vfs_get_tree+0x90/0x274 [ 66.241151][ T4589] do_new_mount+0x228/0x810 [ 66.241866][ T4589] path_mount+0x5b4/0xe78 [ 66.242493][ T4589] __arm64_sys_mount+0x49c/0x584 [ 66.243178][ T4589] invoke_syscall+0x98/0x2bc [ 66.243832][ T4589] el0_svc_common+0x138/0x258 [ 66.244548][ T4589] do_el0_svc+0x58/0x13c [ 66.245195][ T4589] el0_svc+0x58/0x138 [ 66.245753][ T4589] el0t_64_sync_handler+0x84/0xf0 [ 66.246474][ T4589] el0t_64_sync+0x18c/0x190 [ 66.248320][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.250629][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.371712][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.372953][ T4591] CPU: 1 PID: 4591 Comm: syz.1.50 Not tainted syzkaller #0 [ 66.374033][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.375482][ T4591] Call trace: [ 66.375969][ T4591] dump_backtrace+0x1c8/0x1f4 [ 66.376636][ T4591] show_stack+0x2c/0x3c [ 66.377277][ T4591] __dump_stack+0x30/0x40 [ 66.377921][ T4591] dump_stack_lvl+0xf8/0x160 [ 66.378639][ T4591] dump_stack+0x1c/0x5c [ 66.379289][ T4591] sysfs_create_dir_ns+0x22c/0x24c [ 66.380027][ T4591] kobject_add_internal+0x5a8/0xb30 [ 66.380814][ T4591] kobject_init_and_add+0x118/0x17c [ 66.381606][ T4591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.382338][ T4591] gfs2_fill_super+0xdec/0x19ec [ 66.383177][ T4591] get_tree_bdev+0x358/0x544 [ 66.383960][ T4591] gfs2_get_tree+0x54/0x1b4 [ 66.384608][ T4591] vfs_get_tree+0x90/0x274 [ 66.385209][ T4591] do_new_mount+0x228/0x810 [ 66.385902][ T4591] path_mount+0x5b4/0xe78 [ 66.386541][ T4591] __arm64_sys_mount+0x49c/0x584 [ 66.387377][ T4591] invoke_syscall+0x98/0x2bc [ 66.388115][ T4591] el0_svc_common+0x138/0x258 [ 66.388877][ T4591] do_el0_svc+0x58/0x13c [ 66.389577][ T4591] el0_svc+0x58/0x138 [ 66.390222][ T4591] el0t_64_sync_handler+0x84/0xf0 [ 66.391011][ T4591] el0t_64_sync+0x18c/0x190 [ 66.391833][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.393730][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.515021][ T4593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.516212][ T4593] CPU: 1 PID: 4593 Comm: syz.1.51 Not tainted syzkaller #0 [ 66.517394][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.519004][ T4593] Call trace: [ 66.519527][ T4593] dump_backtrace+0x1c8/0x1f4 [ 66.520313][ T4593] show_stack+0x2c/0x3c [ 66.520944][ T4593] __dump_stack+0x30/0x40 [ 66.521595][ T4593] dump_stack_lvl+0xf8/0x160 [ 66.522328][ T4593] dump_stack+0x1c/0x5c [ 66.522944][ T4593] sysfs_create_dir_ns+0x22c/0x24c [ 66.523757][ T4593] kobject_add_internal+0x5a8/0xb30 [ 66.524545][ T4593] kobject_init_and_add+0x118/0x17c [ 66.525364][ T4593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.526033][ T4593] gfs2_fill_super+0xdec/0x19ec [ 66.526806][ T4593] get_tree_bdev+0x358/0x544 [ 66.527489][ T4593] gfs2_get_tree+0x54/0x1b4 [ 66.528186][ T4593] vfs_get_tree+0x90/0x274 [ 66.528832][ T4593] do_new_mount+0x228/0x810 [ 66.529515][ T4593] path_mount+0x5b4/0xe78 [ 66.530170][ T4593] __arm64_sys_mount+0x49c/0x584 [ 66.530885][ T4593] invoke_syscall+0x98/0x2bc [ 66.531549][ T4593] el0_svc_common+0x138/0x258 [ 66.532216][ T4593] do_el0_svc+0x58/0x13c [ 66.532816][ T4593] el0_svc+0x58/0x138 [ 66.533438][ T4593] el0t_64_sync_handler+0x84/0xf0 [ 66.534187][ T4593] el0t_64_sync+0x18c/0x190 [ 66.535154][ T4593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.537046][ T4593] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:06 executed programs: 37 [ 66.656902][ T4595] set_capacity_and_notify: 23 callbacks suppressed [ 66.656913][ T4595] loop1: detected capacity change from 0 to 32768 [ 66.664086][ T4595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.665247][ T4595] CPU: 0 PID: 4595 Comm: syz.1.52 Not tainted syzkaller #0 [ 66.666368][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.667843][ T4595] Call trace: [ 66.668327][ T4595] dump_backtrace+0x1c8/0x1f4 [ 66.669019][ T4595] show_stack+0x2c/0x3c [ 66.669629][ T4595] __dump_stack+0x30/0x40 [ 66.670256][ T4595] dump_stack_lvl+0xf8/0x160 [ 66.670931][ T4595] dump_stack+0x1c/0x5c [ 66.671542][ T4595] sysfs_create_dir_ns+0x22c/0x24c [ 66.672302][ T4595] kobject_add_internal+0x5a8/0xb30 [ 66.673083][ T4595] kobject_init_and_add+0x118/0x17c [ 66.673841][ T4595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.674548][ T4595] gfs2_fill_super+0xdec/0x19ec [ 66.675264][ T4595] get_tree_bdev+0x358/0x544 [ 66.675986][ T4595] gfs2_get_tree+0x54/0x1b4 [ 66.676691][ T4595] vfs_get_tree+0x90/0x274 [ 66.677330][ T4595] do_new_mount+0x228/0x810 [ 66.678043][ T4595] path_mount+0x5b4/0xe78 [ 66.678673][ T4595] __arm64_sys_mount+0x49c/0x584 [ 66.679435][ T4595] invoke_syscall+0x98/0x2bc [ 66.680064][ T4595] el0_svc_common+0x138/0x258 [ 66.680744][ T4595] do_el0_svc+0x58/0x13c [ 66.681463][ T4595] el0_svc+0x58/0x138 [ 66.682043][ T4595] el0t_64_sync_handler+0x84/0xf0 [ 66.682789][ T4595] el0t_64_sync+0x18c/0x190 [ 66.684332][ T4595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.686267][ T4595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.812730][ T4597] loop1: detected capacity change from 0 to 32768 [ 66.814345][ T4597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.815521][ T4597] CPU: 0 PID: 4597 Comm: syz.1.53 Not tainted syzkaller #0 [ 66.816586][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.818005][ T4597] Call trace: [ 66.818505][ T4597] dump_backtrace+0x1c8/0x1f4 [ 66.819275][ T4597] show_stack+0x2c/0x3c [ 66.819886][ T4597] __dump_stack+0x30/0x40 [ 66.820559][ T4597] dump_stack_lvl+0xf8/0x160 [ 66.821260][ T4597] dump_stack+0x1c/0x5c [ 66.821854][ T4597] sysfs_create_dir_ns+0x22c/0x24c [ 66.822724][ T4597] kobject_add_internal+0x5a8/0xb30 [ 66.823582][ T4597] kobject_init_and_add+0x118/0x17c [ 66.824434][ T4597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.825201][ T4597] gfs2_fill_super+0xdec/0x19ec [ 66.825961][ T4597] get_tree_bdev+0x358/0x544 [ 66.826694][ T4597] gfs2_get_tree+0x54/0x1b4 [ 66.827359][ T4597] vfs_get_tree+0x90/0x274 [ 66.828022][ T4597] do_new_mount+0x228/0x810 [ 66.828726][ T4597] path_mount+0x5b4/0xe78 [ 66.829388][ T4597] __arm64_sys_mount+0x49c/0x584 [ 66.830109][ T4597] invoke_syscall+0x98/0x2bc [ 66.830830][ T4597] el0_svc_common+0x138/0x258 [ 66.831501][ T4597] do_el0_svc+0x58/0x13c [ 66.832230][ T4597] el0_svc+0x58/0x138 [ 66.832920][ T4597] el0t_64_sync_handler+0x84/0xf0 [ 66.833748][ T4597] el0t_64_sync+0x18c/0x190 [ 66.835773][ T4597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.837673][ T4597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 66.888765][ T4337] Bluetooth: hci1: command 0x040f tx timeout [ 66.967958][ T4599] loop1: detected capacity change from 0 to 32768 [ 66.969695][ T4599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 66.970844][ T4599] CPU: 0 PID: 4599 Comm: syz.1.54 Not tainted syzkaller #0 [ 66.971899][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 66.973449][ T4599] Call trace: [ 66.973898][ T4599] dump_backtrace+0x1c8/0x1f4 [ 66.974590][ T4599] show_stack+0x2c/0x3c [ 66.975243][ T4599] __dump_stack+0x30/0x40 [ 66.975902][ T4599] dump_stack_lvl+0xf8/0x160 [ 66.976627][ T4599] dump_stack+0x1c/0x5c [ 66.977185][ T4599] sysfs_create_dir_ns+0x22c/0x24c [ 66.977881][ T4599] kobject_add_internal+0x5a8/0xb30 [ 66.978613][ T4599] kobject_init_and_add+0x118/0x17c [ 66.979381][ T4599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 66.980118][ T4599] gfs2_fill_super+0xdec/0x19ec [ 66.980829][ T4599] get_tree_bdev+0x358/0x544 [ 66.981527][ T4599] gfs2_get_tree+0x54/0x1b4 [ 66.982198][ T4599] vfs_get_tree+0x90/0x274 [ 66.982888][ T4599] do_new_mount+0x228/0x810 [ 66.983562][ T4599] path_mount+0x5b4/0xe78 [ 66.984207][ T4599] __arm64_sys_mount+0x49c/0x584 [ 66.984889][ T4599] invoke_syscall+0x98/0x2bc [ 66.985539][ T4599] el0_svc_common+0x138/0x258 [ 66.986170][ T4599] do_el0_svc+0x58/0x13c [ 66.986759][ T4599] el0_svc+0x58/0x138 [ 66.987357][ T4599] el0t_64_sync_handler+0x84/0xf0 [ 66.988044][ T4599] el0t_64_sync+0x18c/0x190 [ 66.990111][ T4599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 66.992048][ T4599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.110467][ T4601] loop1: detected capacity change from 0 to 32768 [ 67.112159][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.113350][ T4601] CPU: 0 PID: 4601 Comm: syz.1.55 Not tainted syzkaller #0 [ 67.114325][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.115817][ T4601] Call trace: [ 67.116305][ T4601] dump_backtrace+0x1c8/0x1f4 [ 67.116966][ T4601] show_stack+0x2c/0x3c [ 67.117591][ T4601] __dump_stack+0x30/0x40 [ 67.118250][ T4601] dump_stack_lvl+0xf8/0x160 [ 67.118874][ T4601] dump_stack+0x1c/0x5c [ 67.119472][ T4601] sysfs_create_dir_ns+0x22c/0x24c [ 67.120270][ T4601] kobject_add_internal+0x5a8/0xb30 [ 67.121064][ T4601] kobject_init_and_add+0x118/0x17c [ 67.121855][ T4601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.122587][ T4601] gfs2_fill_super+0xdec/0x19ec [ 67.123300][ T4601] get_tree_bdev+0x358/0x544 [ 67.123952][ T4601] gfs2_get_tree+0x54/0x1b4 [ 67.124615][ T4601] vfs_get_tree+0x90/0x274 [ 67.125248][ T4601] do_new_mount+0x228/0x810 [ 67.125942][ T4601] path_mount+0x5b4/0xe78 [ 67.126586][ T4601] __arm64_sys_mount+0x49c/0x584 [ 67.127348][ T4601] invoke_syscall+0x98/0x2bc [ 67.127996][ T4601] el0_svc_common+0x138/0x258 [ 67.128695][ T4601] do_el0_svc+0x58/0x13c [ 67.129376][ T4601] el0_svc+0x58/0x138 [ 67.129966][ T4601] el0t_64_sync_handler+0x84/0xf0 [ 67.130651][ T4601] el0t_64_sync+0x18c/0x190 [ 67.132750][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.134459][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.253347][ T4603] loop1: detected capacity change from 0 to 32768 [ 67.255121][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.256319][ T4603] CPU: 1 PID: 4603 Comm: syz.1.56 Not tainted syzkaller #0 [ 67.257489][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.259151][ T4603] Call trace: [ 67.259640][ T4603] dump_backtrace+0x1c8/0x1f4 [ 67.260342][ T4603] show_stack+0x2c/0x3c [ 67.261061][ T4603] __dump_stack+0x30/0x40 [ 67.261731][ T4603] dump_stack_lvl+0xf8/0x160 [ 67.262408][ T4603] dump_stack+0x1c/0x5c [ 67.263100][ T4603] sysfs_create_dir_ns+0x22c/0x24c [ 67.263927][ T4603] kobject_add_internal+0x5a8/0xb30 [ 67.264765][ T4603] kobject_init_and_add+0x118/0x17c [ 67.265536][ T4603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.266272][ T4603] gfs2_fill_super+0xdec/0x19ec [ 67.266946][ T4603] get_tree_bdev+0x358/0x544 [ 67.267713][ T4603] gfs2_get_tree+0x54/0x1b4 [ 67.268379][ T4603] vfs_get_tree+0x90/0x274 [ 67.269022][ T4603] do_new_mount+0x228/0x810 [ 67.269723][ T4603] path_mount+0x5b4/0xe78 [ 67.270330][ T4603] __arm64_sys_mount+0x49c/0x584 [ 67.271104][ T4603] invoke_syscall+0x98/0x2bc [ 67.271769][ T4603] el0_svc_common+0x138/0x258 [ 67.272460][ T4603] do_el0_svc+0x58/0x13c [ 67.273100][ T4603] el0_svc+0x58/0x138 [ 67.273762][ T4603] el0t_64_sync_handler+0x84/0xf0 [ 67.274507][ T4603] el0t_64_sync+0x18c/0x190 [ 67.275349][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.277222][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.396158][ T4605] loop1: detected capacity change from 0 to 32768 [ 67.401327][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.402344][ T4605] CPU: 0 PID: 4605 Comm: syz.1.57 Not tainted syzkaller #0 [ 67.403396][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.404763][ T4605] Call trace: [ 67.405263][ T4605] dump_backtrace+0x1c8/0x1f4 [ 67.405975][ T4605] show_stack+0x2c/0x3c [ 67.406576][ T4605] __dump_stack+0x30/0x40 [ 67.407191][ T4605] dump_stack_lvl+0xf8/0x160 [ 67.407855][ T4605] dump_stack+0x1c/0x5c [ 67.408485][ T4605] sysfs_create_dir_ns+0x22c/0x24c [ 67.409236][ T4605] kobject_add_internal+0x5a8/0xb30 [ 67.409997][ T4605] kobject_init_and_add+0x118/0x17c [ 67.410772][ T4605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.411483][ T4605] gfs2_fill_super+0xdec/0x19ec [ 67.412159][ T4605] get_tree_bdev+0x358/0x544 [ 67.412804][ T4605] gfs2_get_tree+0x54/0x1b4 [ 67.413481][ T4605] vfs_get_tree+0x90/0x274 [ 67.414175][ T4605] do_new_mount+0x228/0x810 [ 67.414864][ T4605] path_mount+0x5b4/0xe78 [ 67.415495][ T4605] __arm64_sys_mount+0x49c/0x584 [ 67.416188][ T4605] invoke_syscall+0x98/0x2bc [ 67.416861][ T4605] el0_svc_common+0x138/0x258 [ 67.417526][ T4605] do_el0_svc+0x58/0x13c [ 67.418133][ T4605] el0_svc+0x58/0x138 [ 67.418736][ T4605] el0t_64_sync_handler+0x84/0xf0 [ 67.419448][ T4605] el0t_64_sync+0x18c/0x190 [ 67.421483][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.423242][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.551389][ T4607] loop1: detected capacity change from 0 to 32768 [ 67.553066][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.554219][ T4607] CPU: 1 PID: 4607 Comm: syz.1.58 Not tainted syzkaller #0 [ 67.555305][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.556863][ T4607] Call trace: [ 67.557400][ T4607] dump_backtrace+0x1c8/0x1f4 [ 67.558128][ T4607] show_stack+0x2c/0x3c [ 67.558717][ T4607] __dump_stack+0x30/0x40 [ 67.559399][ T4607] dump_stack_lvl+0xf8/0x160 [ 67.560110][ T4607] dump_stack+0x1c/0x5c [ 67.560791][ T4607] sysfs_create_dir_ns+0x22c/0x24c [ 67.561528][ T4607] kobject_add_internal+0x5a8/0xb30 [ 67.562297][ T4607] kobject_init_and_add+0x118/0x17c [ 67.563109][ T4607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.563815][ T4607] gfs2_fill_super+0xdec/0x19ec [ 67.564500][ T4607] get_tree_bdev+0x358/0x544 [ 67.565235][ T4607] gfs2_get_tree+0x54/0x1b4 [ 67.565901][ T4607] vfs_get_tree+0x90/0x274 [ 67.566500][ T4607] do_new_mount+0x228/0x810 [ 67.567198][ T4607] path_mount+0x5b4/0xe78 [ 67.567807][ T4607] __arm64_sys_mount+0x49c/0x584 [ 67.568521][ T4607] invoke_syscall+0x98/0x2bc [ 67.569215][ T4607] el0_svc_common+0x138/0x258 [ 67.569871][ T4607] do_el0_svc+0x58/0x13c [ 67.570497][ T4607] el0_svc+0x58/0x138 [ 67.571162][ T4607] el0t_64_sync_handler+0x84/0xf0 [ 67.571964][ T4607] el0t_64_sync+0x18c/0x190 [ 67.572803][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.574695][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.696833][ T4609] loop1: detected capacity change from 0 to 32768 [ 67.703577][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.704732][ T4609] CPU: 0 PID: 4609 Comm: syz.1.59 Not tainted syzkaller #0 [ 67.705845][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.707217][ T4609] Call trace: [ 67.707742][ T4609] dump_backtrace+0x1c8/0x1f4 [ 67.708434][ T4609] show_stack+0x2c/0x3c [ 67.709023][ T4609] __dump_stack+0x30/0x40 [ 67.709644][ T4609] dump_stack_lvl+0xf8/0x160 [ 67.710294][ T4609] dump_stack+0x1c/0x5c [ 67.710904][ T4609] sysfs_create_dir_ns+0x22c/0x24c [ 67.711615][ T4609] kobject_add_internal+0x5a8/0xb30 [ 67.712403][ T4609] kobject_init_and_add+0x118/0x17c [ 67.713180][ T4609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.713891][ T4609] gfs2_fill_super+0xdec/0x19ec [ 67.714555][ T4609] get_tree_bdev+0x358/0x544 [ 67.715306][ T4609] gfs2_get_tree+0x54/0x1b4 [ 67.716002][ T4609] vfs_get_tree+0x90/0x274 [ 67.716677][ T4609] do_new_mount+0x228/0x810 [ 67.717376][ T4609] path_mount+0x5b4/0xe78 [ 67.718011][ T4609] __arm64_sys_mount+0x49c/0x584 [ 67.718855][ T4609] invoke_syscall+0x98/0x2bc [ 67.719515][ T4609] el0_svc_common+0x138/0x258 [ 67.720162][ T4609] do_el0_svc+0x58/0x13c [ 67.720770][ T4609] el0_svc+0x58/0x138 [ 67.721316][ T4609] el0t_64_sync_handler+0x84/0xf0 [ 67.722032][ T4609] el0t_64_sync+0x18c/0x190 [ 67.723967][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.725840][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.850108][ T4611] loop1: detected capacity change from 0 to 32768 [ 67.851749][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 67.852923][ T4611] CPU: 0 PID: 4611 Comm: syz.1.60 Not tainted syzkaller #0 [ 67.853978][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 67.855402][ T4611] Call trace: [ 67.855866][ T4611] dump_backtrace+0x1c8/0x1f4 [ 67.856564][ T4611] show_stack+0x2c/0x3c [ 67.857156][ T4611] __dump_stack+0x30/0x40 [ 67.857753][ T4611] dump_stack_lvl+0xf8/0x160 [ 67.858355][ T4611] dump_stack+0x1c/0x5c [ 67.858916][ T4611] sysfs_create_dir_ns+0x22c/0x24c [ 67.859605][ T4611] kobject_add_internal+0x5a8/0xb30 [ 67.860338][ T4611] kobject_init_and_add+0x118/0x17c [ 67.861054][ T4611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 67.861730][ T4611] gfs2_fill_super+0xdec/0x19ec [ 67.862441][ T4611] get_tree_bdev+0x358/0x544 [ 67.863074][ T4611] gfs2_get_tree+0x54/0x1b4 [ 67.863688][ T4611] vfs_get_tree+0x90/0x274 [ 67.864318][ T4611] do_new_mount+0x228/0x810 [ 67.864961][ T4611] path_mount+0x5b4/0xe78 [ 67.865597][ T4611] __arm64_sys_mount+0x49c/0x584 [ 67.866316][ T4611] invoke_syscall+0x98/0x2bc [ 67.867051][ T4611] el0_svc_common+0x138/0x258 [ 67.867782][ T4611] do_el0_svc+0x58/0x13c [ 67.868474][ T4611] el0_svc+0x58/0x138 [ 67.869082][ T4611] el0t_64_sync_handler+0x84/0xf0 [ 67.869862][ T4611] el0t_64_sync+0x18c/0x190 [ 67.872338][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 67.874268][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 67.995983][ T4613] loop1: detected capacity change from 0 to 32768 [ 67.999068][ T4613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.000157][ T4613] CPU: 1 PID: 4613 Comm: syz.1.61 Not tainted syzkaller #0 [ 68.001145][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.002520][ T4613] Call trace: [ 68.002987][ T4613] dump_backtrace+0x1c8/0x1f4 [ 68.003683][ T4613] show_stack+0x2c/0x3c [ 68.004275][ T4613] __dump_stack+0x30/0x40 [ 68.004909][ T4613] dump_stack_lvl+0xf8/0x160 [ 68.005591][ T4613] dump_stack+0x1c/0x5c [ 68.006189][ T4613] sysfs_create_dir_ns+0x22c/0x24c [ 68.007136][ T4613] kobject_add_internal+0x5a8/0xb30 [ 68.007873][ T4613] kobject_init_and_add+0x118/0x17c [ 68.008637][ T4613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.009317][ T4613] gfs2_fill_super+0xdec/0x19ec [ 68.010019][ T4613] get_tree_bdev+0x358/0x544 [ 68.010687][ T4613] gfs2_get_tree+0x54/0x1b4 [ 68.011330][ T4613] vfs_get_tree+0x90/0x274 [ 68.012013][ T4613] do_new_mount+0x228/0x810 [ 68.012705][ T4613] path_mount+0x5b4/0xe78 [ 68.013340][ T4613] __arm64_sys_mount+0x49c/0x584 [ 68.014007][ T4613] invoke_syscall+0x98/0x2bc [ 68.014687][ T4613] el0_svc_common+0x138/0x258 [ 68.015378][ T4613] do_el0_svc+0x58/0x13c [ 68.016008][ T4613] el0_svc+0x58/0x138 [ 68.016597][ T4613] el0t_64_sync_handler+0x84/0xf0 [ 68.017303][ T4613] el0t_64_sync+0x18c/0x190 [ 68.018241][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.020320][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.138498][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.139848][ T4615] CPU: 0 PID: 4615 Comm: syz.1.62 Not tainted syzkaller #0 [ 68.140903][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.142281][ T4615] Call trace: [ 68.142771][ T4615] dump_backtrace+0x1c8/0x1f4 [ 68.143413][ T4615] show_stack+0x2c/0x3c [ 68.143988][ T4615] __dump_stack+0x30/0x40 [ 68.144692][ T4615] dump_stack_lvl+0xf8/0x160 [ 68.145362][ T4615] dump_stack+0x1c/0x5c [ 68.145933][ T4615] sysfs_create_dir_ns+0x22c/0x24c [ 68.146698][ T4615] kobject_add_internal+0x5a8/0xb30 [ 68.147418][ T4615] kobject_init_and_add+0x118/0x17c [ 68.148133][ T4615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.148793][ T4615] gfs2_fill_super+0xdec/0x19ec [ 68.149606][ T4615] get_tree_bdev+0x358/0x544 [ 68.150303][ T4615] gfs2_get_tree+0x54/0x1b4 [ 68.150932][ T4615] vfs_get_tree+0x90/0x274 [ 68.151552][ T4615] do_new_mount+0x228/0x810 [ 68.152196][ T4615] path_mount+0x5b4/0xe78 [ 68.152847][ T4615] __arm64_sys_mount+0x49c/0x584 [ 68.153604][ T4615] invoke_syscall+0x98/0x2bc [ 68.154431][ T4615] el0_svc_common+0x138/0x258 [ 68.155208][ T4615] do_el0_svc+0x58/0x13c [ 68.155930][ T4615] el0_svc+0x58/0x138 [ 68.156545][ T4615] el0t_64_sync_handler+0x84/0xf0 [ 68.157470][ T4615] el0t_64_sync+0x18c/0x190 [ 68.158317][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.160858][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.280026][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.281858][ T4617] CPU: 1 PID: 4617 Comm: syz.1.63 Not tainted syzkaller #0 [ 68.282933][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.284552][ T4617] Call trace: [ 68.285038][ T4617] dump_backtrace+0x1c8/0x1f4 [ 68.285673][ T4617] show_stack+0x2c/0x3c [ 68.286305][ T4617] __dump_stack+0x30/0x40 [ 68.286954][ T4617] dump_stack_lvl+0xf8/0x160 [ 68.287668][ T4617] dump_stack+0x1c/0x5c [ 68.288277][ T4617] sysfs_create_dir_ns+0x22c/0x24c [ 68.289115][ T4617] kobject_add_internal+0x5a8/0xb30 [ 68.289885][ T4617] kobject_init_and_add+0x118/0x17c [ 68.290711][ T4617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.291425][ T4617] gfs2_fill_super+0xdec/0x19ec [ 68.292260][ T4617] get_tree_bdev+0x358/0x544 [ 68.292988][ T4617] gfs2_get_tree+0x54/0x1b4 [ 68.293643][ T4617] vfs_get_tree+0x90/0x274 [ 68.294286][ T4617] do_new_mount+0x228/0x810 [ 68.294959][ T4617] path_mount+0x5b4/0xe78 [ 68.295575][ T4617] __arm64_sys_mount+0x49c/0x584 [ 68.296337][ T4617] invoke_syscall+0x98/0x2bc [ 68.297020][ T4617] el0_svc_common+0x138/0x258 [ 68.297679][ T4617] do_el0_svc+0x58/0x13c [ 68.298291][ T4617] el0_svc+0x58/0x138 [ 68.298872][ T4617] el0t_64_sync_handler+0x84/0xf0 [ 68.299660][ T4617] el0t_64_sync+0x18c/0x190 [ 68.300814][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.302987][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.434117][ T4619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.435233][ T4619] CPU: 0 PID: 4619 Comm: syz.1.64 Not tainted syzkaller #0 [ 68.436297][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.437711][ T4619] Call trace: [ 68.438165][ T4619] dump_backtrace+0x1c8/0x1f4 [ 68.438819][ T4619] show_stack+0x2c/0x3c [ 68.439406][ T4619] __dump_stack+0x30/0x40 [ 68.440031][ T4619] dump_stack_lvl+0xf8/0x160 [ 68.440771][ T4619] dump_stack+0x1c/0x5c [ 68.441353][ T4619] sysfs_create_dir_ns+0x22c/0x24c [ 68.442106][ T4619] kobject_add_internal+0x5a8/0xb30 [ 68.442894][ T4619] kobject_init_and_add+0x118/0x17c [ 68.443647][ T4619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.444412][ T4619] gfs2_fill_super+0xdec/0x19ec [ 68.445155][ T4619] get_tree_bdev+0x358/0x544 [ 68.445830][ T4619] gfs2_get_tree+0x54/0x1b4 [ 68.446488][ T4619] vfs_get_tree+0x90/0x274 [ 68.447109][ T4619] do_new_mount+0x228/0x810 [ 68.447803][ T4619] path_mount+0x5b4/0xe78 [ 68.448444][ T4619] __arm64_sys_mount+0x49c/0x584 [ 68.449218][ T4619] invoke_syscall+0x98/0x2bc [ 68.449853][ T4619] el0_svc_common+0x138/0x258 [ 68.450538][ T4619] do_el0_svc+0x58/0x13c [ 68.451150][ T4619] el0_svc+0x58/0x138 [ 68.451745][ T4619] el0t_64_sync_handler+0x84/0xf0 [ 68.452474][ T4619] el0t_64_sync+0x18c/0x190 [ 68.453268][ T4619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.455485][ T4619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.585325][ T4621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.586419][ T4621] CPU: 0 PID: 4621 Comm: syz.1.65 Not tainted syzkaller #0 [ 68.587508][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.589119][ T4621] Call trace: [ 68.589657][ T4621] dump_backtrace+0x1c8/0x1f4 [ 68.590378][ T4621] show_stack+0x2c/0x3c [ 68.590982][ T4621] __dump_stack+0x30/0x40 [ 68.591616][ T4621] dump_stack_lvl+0xf8/0x160 [ 68.592433][ T4621] dump_stack+0x1c/0x5c [ 68.593117][ T4621] sysfs_create_dir_ns+0x22c/0x24c [ 68.593979][ T4621] kobject_add_internal+0x5a8/0xb30 [ 68.594924][ T4621] kobject_init_and_add+0x118/0x17c [ 68.595748][ T4621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.596461][ T4621] gfs2_fill_super+0xdec/0x19ec [ 68.597279][ T4621] get_tree_bdev+0x358/0x544 [ 68.597954][ T4621] gfs2_get_tree+0x54/0x1b4 [ 68.598650][ T4621] vfs_get_tree+0x90/0x274 [ 68.599201][ T4621] do_new_mount+0x228/0x810 [ 68.599803][ T4621] path_mount+0x5b4/0xe78 [ 68.600421][ T4621] __arm64_sys_mount+0x49c/0x584 [ 68.601129][ T4621] invoke_syscall+0x98/0x2bc [ 68.601755][ T4621] el0_svc_common+0x138/0x258 [ 68.602432][ T4621] do_el0_svc+0x58/0x13c [ 68.603026][ T4621] el0_svc+0x58/0x138 [ 68.603613][ T4621] el0t_64_sync_handler+0x84/0xf0 [ 68.604424][ T4621] el0t_64_sync+0x18c/0x190 [ 68.605739][ T4621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.607585][ T4621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.724936][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.726138][ T4623] CPU: 1 PID: 4623 Comm: syz.1.66 Not tainted syzkaller #0 [ 68.727345][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.728875][ T4623] Call trace: [ 68.729343][ T4623] dump_backtrace+0x1c8/0x1f4 [ 68.730057][ T4623] show_stack+0x2c/0x3c [ 68.730618][ T4623] __dump_stack+0x30/0x40 [ 68.731285][ T4623] dump_stack_lvl+0xf8/0x160 [ 68.732068][ T4623] dump_stack+0x1c/0x5c [ 68.732661][ T4623] sysfs_create_dir_ns+0x22c/0x24c [ 68.733483][ T4623] kobject_add_internal+0x5a8/0xb30 [ 68.734318][ T4623] kobject_init_and_add+0x118/0x17c [ 68.735105][ T4623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.735844][ T4623] gfs2_fill_super+0xdec/0x19ec [ 68.736576][ T4623] get_tree_bdev+0x358/0x544 [ 68.737380][ T4623] gfs2_get_tree+0x54/0x1b4 [ 68.738064][ T4623] vfs_get_tree+0x90/0x274 [ 68.738703][ T4623] do_new_mount+0x228/0x810 [ 68.739381][ T4623] path_mount+0x5b4/0xe78 [ 68.739993][ T4623] __arm64_sys_mount+0x49c/0x584 [ 68.740684][ T4623] invoke_syscall+0x98/0x2bc [ 68.741346][ T4623] el0_svc_common+0x138/0x258 [ 68.742020][ T4623] do_el0_svc+0x58/0x13c [ 68.742695][ T4623] el0_svc+0x58/0x138 [ 68.743279][ T4623] el0t_64_sync_handler+0x84/0xf0 [ 68.744043][ T4623] el0t_64_sync+0x18c/0x190 [ 68.745114][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.747529][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.870175][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 68.871411][ T4625] CPU: 0 PID: 4625 Comm: syz.1.67 Not tainted syzkaller #0 [ 68.872527][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 68.874056][ T4625] Call trace: [ 68.874590][ T4625] dump_backtrace+0x1c8/0x1f4 [ 68.875355][ T4625] show_stack+0x2c/0x3c [ 68.876035][ T4625] __dump_stack+0x30/0x40 [ 68.876719][ T4625] dump_stack_lvl+0xf8/0x160 [ 68.877365][ T4625] dump_stack+0x1c/0x5c [ 68.877979][ T4625] sysfs_create_dir_ns+0x22c/0x24c [ 68.878792][ T4625] kobject_add_internal+0x5a8/0xb30 [ 68.879658][ T4625] kobject_init_and_add+0x118/0x17c [ 68.880525][ T4625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 68.881211][ T4625] gfs2_fill_super+0xdec/0x19ec [ 68.881939][ T4625] get_tree_bdev+0x358/0x544 [ 68.882645][ T4625] gfs2_get_tree+0x54/0x1b4 [ 68.883270][ T4625] vfs_get_tree+0x90/0x274 [ 68.883878][ T4625] do_new_mount+0x228/0x810 [ 68.884550][ T4625] path_mount+0x5b4/0xe78 [ 68.885199][ T4625] __arm64_sys_mount+0x49c/0x584 [ 68.885860][ T4625] invoke_syscall+0x98/0x2bc [ 68.886654][ T4625] el0_svc_common+0x138/0x258 [ 68.887428][ T4625] do_el0_svc+0x58/0x13c [ 68.888104][ T4625] el0_svc+0x58/0x138 [ 68.888765][ T4625] el0t_64_sync_handler+0x84/0xf0 [ 68.889513][ T4625] el0t_64_sync+0x18c/0x190 [ 68.892175][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 68.894164][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 68.978632][ T4337] Bluetooth: hci1: command 0x0419 tx timeout [ 69.030681][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.031844][ T4627] CPU: 0 PID: 4627 Comm: syz.1.68 Not tainted syzkaller #0 [ 69.032978][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.034350][ T4627] Call trace: [ 69.034824][ T4627] dump_backtrace+0x1c8/0x1f4 [ 69.035518][ T4627] show_stack+0x2c/0x3c [ 69.036072][ T4627] __dump_stack+0x30/0x40 [ 69.036701][ T4627] dump_stack_lvl+0xf8/0x160 [ 69.037436][ T4627] dump_stack+0x1c/0x5c [ 69.038051][ T4627] sysfs_create_dir_ns+0x22c/0x24c [ 69.038854][ T4627] kobject_add_internal+0x5a8/0xb30 [ 69.039643][ T4627] kobject_init_and_add+0x118/0x17c [ 69.040426][ T4627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.041187][ T4627] gfs2_fill_super+0xdec/0x19ec [ 69.042024][ T4627] get_tree_bdev+0x358/0x544 [ 69.042698][ T4627] gfs2_get_tree+0x54/0x1b4 [ 69.043402][ T4627] vfs_get_tree+0x90/0x274 [ 69.044098][ T4627] do_new_mount+0x228/0x810 [ 69.044743][ T4627] path_mount+0x5b4/0xe78 [ 69.045335][ T4627] __arm64_sys_mount+0x49c/0x584 [ 69.046135][ T4627] invoke_syscall+0x98/0x2bc [ 69.046884][ T4627] el0_svc_common+0x138/0x258 [ 69.047670][ T4627] do_el0_svc+0x58/0x13c [ 69.048355][ T4627] el0_svc+0x58/0x138 [ 69.048915][ T4627] el0t_64_sync_handler+0x84/0xf0 [ 69.049620][ T4627] el0t_64_sync+0x18c/0x190 [ 69.050389][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.052216][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.175684][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.176878][ T4629] CPU: 1 PID: 4629 Comm: syz.1.69 Not tainted syzkaller #0 [ 69.177856][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.179250][ T4629] Call trace: [ 69.179732][ T4629] dump_backtrace+0x1c8/0x1f4 [ 69.180383][ T4629] show_stack+0x2c/0x3c [ 69.180881][ T4629] __dump_stack+0x30/0x40 [ 69.181460][ T4629] dump_stack_lvl+0xf8/0x160 [ 69.182198][ T4629] dump_stack+0x1c/0x5c [ 69.182835][ T4629] sysfs_create_dir_ns+0x22c/0x24c [ 69.183683][ T4629] kobject_add_internal+0x5a8/0xb30 [ 69.184420][ T4629] kobject_init_and_add+0x118/0x17c [ 69.185209][ T4629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.185993][ T4629] gfs2_fill_super+0xdec/0x19ec [ 69.186711][ T4629] get_tree_bdev+0x358/0x544 [ 69.187394][ T4629] gfs2_get_tree+0x54/0x1b4 [ 69.188046][ T4629] vfs_get_tree+0x90/0x274 [ 69.188791][ T4629] do_new_mount+0x228/0x810 [ 69.189413][ T4629] path_mount+0x5b4/0xe78 [ 69.190212][ T4629] __arm64_sys_mount+0x49c/0x584 [ 69.191069][ T4629] invoke_syscall+0x98/0x2bc [ 69.191742][ T4629] el0_svc_common+0x138/0x258 [ 69.192406][ T4629] do_el0_svc+0x58/0x13c [ 69.193159][ T4629] el0_svc+0x58/0x138 [ 69.193795][ T4629] el0t_64_sync_handler+0x84/0xf0 [ 69.194531][ T4629] el0t_64_sync+0x18c/0x190 [ 69.195421][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.197663][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.324003][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.325173][ T4631] CPU: 1 PID: 4631 Comm: syz.1.70 Not tainted syzkaller #0 [ 69.326393][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.327921][ T4631] Call trace: [ 69.328393][ T4631] dump_backtrace+0x1c8/0x1f4 [ 69.329126][ T4631] show_stack+0x2c/0x3c [ 69.329843][ T4631] __dump_stack+0x30/0x40 [ 69.330620][ T4631] dump_stack_lvl+0xf8/0x160 [ 69.331402][ T4631] dump_stack+0x1c/0x5c [ 69.332116][ T4631] sysfs_create_dir_ns+0x22c/0x24c [ 69.332957][ T4631] kobject_add_internal+0x5a8/0xb30 [ 69.333725][ T4631] kobject_init_and_add+0x118/0x17c [ 69.334536][ T4631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.335220][ T4631] gfs2_fill_super+0xdec/0x19ec [ 69.335971][ T4631] get_tree_bdev+0x358/0x544 [ 69.336662][ T4631] gfs2_get_tree+0x54/0x1b4 [ 69.337260][ T4631] vfs_get_tree+0x90/0x274 [ 69.337865][ T4631] do_new_mount+0x228/0x810 [ 69.338514][ T4631] path_mount+0x5b4/0xe78 [ 69.339143][ T4631] __arm64_sys_mount+0x49c/0x584 [ 69.339859][ T4631] invoke_syscall+0x98/0x2bc [ 69.340497][ T4631] el0_svc_common+0x138/0x258 [ 69.341153][ T4631] do_el0_svc+0x58/0x13c [ 69.341702][ T4631] el0_svc+0x58/0x138 [ 69.342346][ T4631] el0t_64_sync_handler+0x84/0xf0 [ 69.343129][ T4631] el0t_64_sync+0x18c/0x190 [ 69.345808][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.347739][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.470740][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.471873][ T4633] CPU: 0 PID: 4633 Comm: syz.1.71 Not tainted syzkaller #0 [ 69.472860][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.474206][ T4633] Call trace: [ 69.474653][ T4633] dump_backtrace+0x1c8/0x1f4 [ 69.475305][ T4633] show_stack+0x2c/0x3c [ 69.475871][ T4633] __dump_stack+0x30/0x40 [ 69.476499][ T4633] dump_stack_lvl+0xf8/0x160 [ 69.477200][ T4633] dump_stack+0x1c/0x5c [ 69.477898][ T4633] sysfs_create_dir_ns+0x22c/0x24c [ 69.478586][ T4633] kobject_add_internal+0x5a8/0xb30 [ 69.479345][ T4633] kobject_init_and_add+0x118/0x17c [ 69.480145][ T4633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.480867][ T4633] gfs2_fill_super+0xdec/0x19ec [ 69.481559][ T4633] get_tree_bdev+0x358/0x544 [ 69.482204][ T4633] gfs2_get_tree+0x54/0x1b4 [ 69.482867][ T4633] vfs_get_tree+0x90/0x274 [ 69.483564][ T4633] do_new_mount+0x228/0x810 [ 69.484297][ T4633] path_mount+0x5b4/0xe78 [ 69.484934][ T4633] __arm64_sys_mount+0x49c/0x584 [ 69.485708][ T4633] invoke_syscall+0x98/0x2bc [ 69.486445][ T4633] el0_svc_common+0x138/0x258 [ 69.487200][ T4633] do_el0_svc+0x58/0x13c [ 69.487845][ T4633] el0_svc+0x58/0x138 [ 69.488454][ T4633] el0t_64_sync_handler+0x84/0xf0 [ 69.489198][ T4633] el0t_64_sync+0x18c/0x190 [ 69.490109][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.491893][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.618393][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.619706][ T4636] CPU: 1 PID: 4636 Comm: syz.1.72 Not tainted syzkaller #0 [ 69.620640][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.621936][ T4636] Call trace: [ 69.622321][ T4636] dump_backtrace+0x1c8/0x1f4 [ 69.623054][ T4636] show_stack+0x2c/0x3c [ 69.623591][ T4636] __dump_stack+0x30/0x40 [ 69.624236][ T4636] dump_stack_lvl+0xf8/0x160 [ 69.624848][ T4636] dump_stack+0x1c/0x5c [ 69.625489][ T4636] sysfs_create_dir_ns+0x22c/0x24c [ 69.626233][ T4636] kobject_add_internal+0x5a8/0xb30 [ 69.626983][ T4636] kobject_init_and_add+0x118/0x17c [ 69.627707][ T4636] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.628471][ T4636] gfs2_fill_super+0xdec/0x19ec [ 69.629177][ T4636] get_tree_bdev+0x358/0x544 [ 69.629995][ T4636] gfs2_get_tree+0x54/0x1b4 [ 69.630747][ T4636] vfs_get_tree+0x90/0x274 [ 69.631395][ T4636] do_new_mount+0x228/0x810 [ 69.632058][ T4636] path_mount+0x5b4/0xe78 [ 69.632732][ T4636] __arm64_sys_mount+0x49c/0x584 [ 69.633432][ T4636] invoke_syscall+0x98/0x2bc [ 69.634106][ T4636] el0_svc_common+0x138/0x258 [ 69.634786][ T4636] do_el0_svc+0x58/0x13c [ 69.635384][ T4636] el0_svc+0x58/0x138 [ 69.635877][ T4636] el0t_64_sync_handler+0x84/0xf0 [ 69.636633][ T4636] el0t_64_sync+0x18c/0x190 [ 69.637820][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.639805][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 69.823428][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 69.824575][ T4638] CPU: 1 PID: 4638 Comm: syz.1.73 Not tainted syzkaller #0 [ 69.825599][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 69.826982][ T4638] Call trace: [ 69.827416][ T4638] dump_backtrace+0x1c8/0x1f4 [ 69.828129][ T4638] show_stack+0x2c/0x3c [ 69.828933][ T4638] __dump_stack+0x30/0x40 [ 69.829770][ T4638] dump_stack_lvl+0xf8/0x160 [ 69.830466][ T4638] dump_stack+0x1c/0x5c [ 69.831035][ T4638] sysfs_create_dir_ns+0x22c/0x24c [ 69.831849][ T4638] kobject_add_internal+0x5a8/0xb30 [ 69.832606][ T4638] kobject_init_and_add+0x118/0x17c [ 69.833359][ T4638] gfs2_sys_fs_add+0x1dc/0x3d8 [ 69.834012][ T4638] gfs2_fill_super+0xdec/0x19ec [ 69.834734][ T4638] get_tree_bdev+0x358/0x544 [ 69.835392][ T4638] gfs2_get_tree+0x54/0x1b4 [ 69.836106][ T4638] vfs_get_tree+0x90/0x274 [ 69.836789][ T4638] do_new_mount+0x228/0x810 [ 69.837440][ T4638] path_mount+0x5b4/0xe78 [ 69.838084][ T4638] __arm64_sys_mount+0x49c/0x584 [ 69.838873][ T4638] invoke_syscall+0x98/0x2bc [ 69.839567][ T4638] el0_svc_common+0x138/0x258 [ 69.840302][ T4638] do_el0_svc+0x58/0x13c [ 69.840978][ T4638] el0_svc+0x58/0x138 [ 69.841612][ T4638] el0t_64_sync_handler+0x84/0xf0 [ 69.842356][ T4638] el0t_64_sync+0x18c/0x190 [ 69.844600][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 69.847832][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.009301][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.010361][ T4640] CPU: 0 PID: 4640 Comm: syz.1.74 Not tainted syzkaller #0 [ 70.011238][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.012770][ T4640] Call trace: [ 70.013316][ T4640] dump_backtrace+0x1c8/0x1f4 [ 70.014025][ T4640] show_stack+0x2c/0x3c [ 70.014724][ T4640] __dump_stack+0x30/0x40 [ 70.015433][ T4640] dump_stack_lvl+0xf8/0x160 [ 70.016210][ T4640] dump_stack+0x1c/0x5c [ 70.016864][ T4640] sysfs_create_dir_ns+0x22c/0x24c [ 70.017614][ T4640] kobject_add_internal+0x5a8/0xb30 [ 70.018390][ T4640] kobject_init_and_add+0x118/0x17c [ 70.019146][ T4640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.019926][ T4640] gfs2_fill_super+0xdec/0x19ec [ 70.020610][ T4640] get_tree_bdev+0x358/0x544 [ 70.021314][ T4640] gfs2_get_tree+0x54/0x1b4 [ 70.021966][ T4640] vfs_get_tree+0x90/0x274 [ 70.022536][ T4640] do_new_mount+0x228/0x810 [ 70.023162][ T4640] path_mount+0x5b4/0xe78 [ 70.023757][ T4640] __arm64_sys_mount+0x49c/0x584 [ 70.024461][ T4640] invoke_syscall+0x98/0x2bc [ 70.025144][ T4640] el0_svc_common+0x138/0x258 [ 70.025839][ T4640] do_el0_svc+0x58/0x13c [ 70.026441][ T4640] el0_svc+0x58/0x138 [ 70.026982][ T4640] el0t_64_sync_handler+0x84/0xf0 [ 70.027756][ T4640] el0t_64_sync+0x18c/0x190 [ 70.031510][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.033856][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.169866][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.171239][ T4642] CPU: 1 PID: 4642 Comm: syz.1.75 Not tainted syzkaller #0 [ 70.172351][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.173745][ T4642] Call trace: [ 70.174302][ T4642] dump_backtrace+0x1c8/0x1f4 [ 70.175078][ T4642] show_stack+0x2c/0x3c [ 70.175688][ T4642] __dump_stack+0x30/0x40 [ 70.176405][ T4642] dump_stack_lvl+0xf8/0x160 [ 70.177081][ T4642] dump_stack+0x1c/0x5c [ 70.177708][ T4642] sysfs_create_dir_ns+0x22c/0x24c [ 70.178483][ T4642] kobject_add_internal+0x5a8/0xb30 [ 70.179232][ T4642] kobject_init_and_add+0x118/0x17c [ 70.180007][ T4642] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.180682][ T4642] gfs2_fill_super+0xdec/0x19ec [ 70.181483][ T4642] get_tree_bdev+0x358/0x544 [ 70.182162][ T4642] gfs2_get_tree+0x54/0x1b4 [ 70.182931][ T4642] vfs_get_tree+0x90/0x274 [ 70.183677][ T4642] do_new_mount+0x228/0x810 [ 70.184339][ T4642] path_mount+0x5b4/0xe78 [ 70.184987][ T4642] __arm64_sys_mount+0x49c/0x584 [ 70.185641][ T4642] invoke_syscall+0x98/0x2bc [ 70.186269][ T4642] el0_svc_common+0x138/0x258 [ 70.186950][ T4642] do_el0_svc+0x58/0x13c [ 70.187604][ T4642] el0_svc+0x58/0x138 [ 70.188220][ T4642] el0t_64_sync_handler+0x84/0xf0 [ 70.189031][ T4642] el0t_64_sync+0x18c/0x190 [ 70.190363][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.192383][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.312193][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.313364][ T4644] CPU: 0 PID: 4644 Comm: syz.1.76 Not tainted syzkaller #0 [ 70.314351][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.315711][ T4644] Call trace: [ 70.316186][ T4644] dump_backtrace+0x1c8/0x1f4 [ 70.316869][ T4644] show_stack+0x2c/0x3c [ 70.317455][ T4644] __dump_stack+0x30/0x40 [ 70.318107][ T4644] dump_stack_lvl+0xf8/0x160 [ 70.318759][ T4644] dump_stack+0x1c/0x5c [ 70.319417][ T4644] sysfs_create_dir_ns+0x22c/0x24c [ 70.320157][ T4644] kobject_add_internal+0x5a8/0xb30 [ 70.320879][ T4644] kobject_init_and_add+0x118/0x17c [ 70.321730][ T4644] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.322412][ T4644] gfs2_fill_super+0xdec/0x19ec [ 70.323188][ T4644] get_tree_bdev+0x358/0x544 [ 70.323883][ T4644] gfs2_get_tree+0x54/0x1b4 [ 70.324544][ T4644] vfs_get_tree+0x90/0x274 [ 70.325195][ T4644] do_new_mount+0x228/0x810 [ 70.325901][ T4644] path_mount+0x5b4/0xe78 [ 70.326539][ T4644] __arm64_sys_mount+0x49c/0x584 [ 70.327253][ T4644] invoke_syscall+0x98/0x2bc [ 70.327951][ T4644] el0_svc_common+0x138/0x258 [ 70.328636][ T4644] do_el0_svc+0x58/0x13c [ 70.329340][ T4644] el0_svc+0x58/0x138 [ 70.329881][ T4644] el0t_64_sync_handler+0x84/0xf0 [ 70.330611][ T4644] el0t_64_sync+0x18c/0x190 [ 70.332706][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.334699][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.460649][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.461863][ T4646] CPU: 1 PID: 4646 Comm: syz.1.77 Not tainted syzkaller #0 [ 70.463098][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.464574][ T4646] Call trace: [ 70.465081][ T4646] dump_backtrace+0x1c8/0x1f4 [ 70.465808][ T4646] show_stack+0x2c/0x3c [ 70.466442][ T4646] __dump_stack+0x30/0x40 [ 70.467091][ T4646] dump_stack_lvl+0xf8/0x160 [ 70.467724][ T4646] dump_stack+0x1c/0x5c [ 70.468315][ T4646] sysfs_create_dir_ns+0x22c/0x24c [ 70.469074][ T4646] kobject_add_internal+0x5a8/0xb30 [ 70.469839][ T4646] kobject_init_and_add+0x118/0x17c [ 70.470592][ T4646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.471236][ T4646] gfs2_fill_super+0xdec/0x19ec [ 70.471908][ T4646] get_tree_bdev+0x358/0x544 [ 70.472597][ T4646] gfs2_get_tree+0x54/0x1b4 [ 70.473277][ T4646] vfs_get_tree+0x90/0x274 [ 70.473951][ T4646] do_new_mount+0x228/0x810 [ 70.474638][ T4646] path_mount+0x5b4/0xe78 [ 70.475291][ T4646] __arm64_sys_mount+0x49c/0x584 [ 70.475989][ T4646] invoke_syscall+0x98/0x2bc [ 70.476685][ T4646] el0_svc_common+0x138/0x258 [ 70.477359][ T4646] do_el0_svc+0x58/0x13c [ 70.478125][ T4646] el0_svc+0x58/0x138 [ 70.478715][ T4646] el0t_64_sync_handler+0x84/0xf0 [ 70.479433][ T4646] el0t_64_sync+0x18c/0x190 [ 70.480142][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.481949][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.611935][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.613066][ T4649] CPU: 0 PID: 4649 Comm: syz.1.78 Not tainted syzkaller #0 [ 70.614104][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.615571][ T4649] Call trace: [ 70.616092][ T4649] dump_backtrace+0x1c8/0x1f4 [ 70.616768][ T4649] show_stack+0x2c/0x3c [ 70.617371][ T4649] __dump_stack+0x30/0x40 [ 70.617979][ T4649] dump_stack_lvl+0xf8/0x160 [ 70.618691][ T4649] dump_stack+0x1c/0x5c [ 70.619385][ T4649] sysfs_create_dir_ns+0x22c/0x24c [ 70.620214][ T4649] kobject_add_internal+0x5a8/0xb30 [ 70.621004][ T4649] kobject_init_and_add+0x118/0x17c [ 70.621738][ T4649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.622567][ T4649] gfs2_fill_super+0xdec/0x19ec [ 70.623346][ T4649] get_tree_bdev+0x358/0x544 [ 70.624021][ T4649] gfs2_get_tree+0x54/0x1b4 [ 70.624708][ T4649] vfs_get_tree+0x90/0x274 [ 70.625326][ T4649] do_new_mount+0x228/0x810 [ 70.625946][ T4649] path_mount+0x5b4/0xe78 [ 70.626758][ T4649] __arm64_sys_mount+0x49c/0x584 [ 70.627366][ T4649] invoke_syscall+0x98/0x2bc [ 70.628025][ T4649] el0_svc_common+0x138/0x258 [ 70.628840][ T4649] do_el0_svc+0x58/0x13c [ 70.629555][ T4649] el0_svc+0x58/0x138 [ 70.630083][ T4649] el0t_64_sync_handler+0x84/0xf0 [ 70.630739][ T4649] el0t_64_sync+0x18c/0x190 [ 70.633471][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.635669][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.760223][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.761342][ T4651] CPU: 0 PID: 4651 Comm: syz.1.79 Not tainted syzkaller #0 [ 70.762419][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.764150][ T4651] Call trace: [ 70.764626][ T4651] dump_backtrace+0x1c8/0x1f4 [ 70.765282][ T4651] show_stack+0x2c/0x3c [ 70.765877][ T4651] __dump_stack+0x30/0x40 [ 70.766565][ T4651] dump_stack_lvl+0xf8/0x160 [ 70.767225][ T4651] dump_stack+0x1c/0x5c [ 70.767838][ T4651] sysfs_create_dir_ns+0x22c/0x24c [ 70.768577][ T4651] kobject_add_internal+0x5a8/0xb30 [ 70.769299][ T4651] kobject_init_and_add+0x118/0x17c [ 70.770156][ T4651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.770985][ T4651] gfs2_fill_super+0xdec/0x19ec [ 70.771744][ T4651] get_tree_bdev+0x358/0x544 [ 70.772510][ T4651] gfs2_get_tree+0x54/0x1b4 [ 70.773279][ T4651] vfs_get_tree+0x90/0x274 [ 70.773958][ T4651] do_new_mount+0x228/0x810 [ 70.774663][ T4651] path_mount+0x5b4/0xe78 [ 70.775308][ T4651] __arm64_sys_mount+0x49c/0x584 [ 70.776048][ T4651] invoke_syscall+0x98/0x2bc [ 70.776677][ T4651] el0_svc_common+0x138/0x258 [ 70.777332][ T4651] do_el0_svc+0x58/0x13c [ 70.777927][ T4651] el0_svc+0x58/0x138 [ 70.778559][ T4651] el0t_64_sync_handler+0x84/0xf0 [ 70.779302][ T4651] el0t_64_sync+0x18c/0x190 [ 70.781505][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.783347][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 70.906253][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 70.908341][ T4653] CPU: 1 PID: 4653 Comm: syz.1.80 Not tainted syzkaller #0 [ 70.909442][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 70.911020][ T4653] Call trace: [ 70.911539][ T4653] dump_backtrace+0x1c8/0x1f4 [ 70.912262][ T4653] show_stack+0x2c/0x3c [ 70.913003][ T4653] __dump_stack+0x30/0x40 [ 70.913698][ T4653] dump_stack_lvl+0xf8/0x160 [ 70.914375][ T4653] dump_stack+0x1c/0x5c [ 70.915013][ T4653] sysfs_create_dir_ns+0x22c/0x24c [ 70.915746][ T4653] kobject_add_internal+0x5a8/0xb30 [ 70.916561][ T4653] kobject_init_and_add+0x118/0x17c [ 70.917401][ T4653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 70.918167][ T4653] gfs2_fill_super+0xdec/0x19ec [ 70.918961][ T4653] get_tree_bdev+0x358/0x544 [ 70.919682][ T4653] gfs2_get_tree+0x54/0x1b4 [ 70.920331][ T4653] vfs_get_tree+0x90/0x274 [ 70.920958][ T4653] do_new_mount+0x228/0x810 [ 70.921587][ T4653] path_mount+0x5b4/0xe78 [ 70.922201][ T4653] __arm64_sys_mount+0x49c/0x584 [ 70.922976][ T4653] invoke_syscall+0x98/0x2bc [ 70.923665][ T4653] el0_svc_common+0x138/0x258 [ 70.924396][ T4653] do_el0_svc+0x58/0x13c [ 70.925055][ T4653] el0_svc+0x58/0x138 [ 70.925638][ T4653] el0t_64_sync_handler+0x84/0xf0 [ 70.926404][ T4653] el0t_64_sync+0x18c/0x190 [ 70.927816][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 70.930316][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.060542][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.061642][ T4655] CPU: 0 PID: 4655 Comm: syz.1.81 Not tainted syzkaller #0 [ 71.062632][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.064084][ T4655] Call trace: [ 71.064553][ T4655] dump_backtrace+0x1c8/0x1f4 [ 71.065239][ T4655] show_stack+0x2c/0x3c [ 71.065815][ T4655] __dump_stack+0x30/0x40 [ 71.066458][ T4655] dump_stack_lvl+0xf8/0x160 [ 71.067125][ T4655] dump_stack+0x1c/0x5c [ 71.067755][ T4655] sysfs_create_dir_ns+0x22c/0x24c [ 71.068561][ T4655] kobject_add_internal+0x5a8/0xb30 [ 71.069471][ T4655] kobject_init_and_add+0x118/0x17c [ 71.070309][ T4655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.071131][ T4655] gfs2_fill_super+0xdec/0x19ec [ 71.071856][ T4655] get_tree_bdev+0x358/0x544 [ 71.072500][ T4655] gfs2_get_tree+0x54/0x1b4 [ 71.073144][ T4655] vfs_get_tree+0x90/0x274 [ 71.073760][ T4655] do_new_mount+0x228/0x810 [ 71.074401][ T4655] path_mount+0x5b4/0xe78 [ 71.075033][ T4655] __arm64_sys_mount+0x49c/0x584 [ 71.075731][ T4655] invoke_syscall+0x98/0x2bc [ 71.076425][ T4655] el0_svc_common+0x138/0x258 [ 71.077070][ T4655] do_el0_svc+0x58/0x13c [ 71.077690][ T4655] el0_svc+0x58/0x138 [ 71.078260][ T4655] el0t_64_sync_handler+0x84/0xf0 [ 71.078972][ T4655] el0t_64_sync+0x18c/0x190 [ 71.081146][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.083075][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.207416][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.208650][ T4658] CPU: 0 PID: 4658 Comm: syz.1.82 Not tainted syzkaller #0 [ 71.209656][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.211072][ T4658] Call trace: [ 71.211567][ T4658] dump_backtrace+0x1c8/0x1f4 [ 71.212261][ T4658] show_stack+0x2c/0x3c [ 71.212856][ T4658] __dump_stack+0x30/0x40 [ 71.213503][ T4658] dump_stack_lvl+0xf8/0x160 [ 71.214185][ T4658] dump_stack+0x1c/0x5c [ 71.214792][ T4658] sysfs_create_dir_ns+0x22c/0x24c [ 71.215501][ T4658] kobject_add_internal+0x5a8/0xb30 [ 71.216271][ T4658] kobject_init_and_add+0x118/0x17c [ 71.217056][ T4658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.217729][ T4658] gfs2_fill_super+0xdec/0x19ec [ 71.218489][ T4658] get_tree_bdev+0x358/0x544 [ 71.219102][ T4658] gfs2_get_tree+0x54/0x1b4 [ 71.219711][ T4658] vfs_get_tree+0x90/0x274 [ 71.220342][ T4658] do_new_mount+0x228/0x810 [ 71.220956][ T4658] path_mount+0x5b4/0xe78 [ 71.221561][ T4658] __arm64_sys_mount+0x49c/0x584 [ 71.222268][ T4658] invoke_syscall+0x98/0x2bc [ 71.222911][ T4658] el0_svc_common+0x138/0x258 [ 71.223560][ T4658] do_el0_svc+0x58/0x13c [ 71.224208][ T4658] el0_svc+0x58/0x138 [ 71.224808][ T4658] el0t_64_sync_handler+0x84/0xf0 [ 71.225573][ T4658] el0t_64_sync+0x18c/0x190 [ 71.227555][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.230070][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.354483][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.355690][ T4660] CPU: 1 PID: 4660 Comm: syz.1.83 Not tainted syzkaller #0 [ 71.356782][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.358281][ T4660] Call trace: [ 71.358778][ T4660] dump_backtrace+0x1c8/0x1f4 [ 71.359561][ T4660] show_stack+0x2c/0x3c [ 71.360180][ T4660] __dump_stack+0x30/0x40 [ 71.360860][ T4660] dump_stack_lvl+0xf8/0x160 [ 71.361531][ T4660] dump_stack+0x1c/0x5c [ 71.362180][ T4660] sysfs_create_dir_ns+0x22c/0x24c [ 71.363024][ T4660] kobject_add_internal+0x5a8/0xb30 [ 71.363832][ T4660] kobject_init_and_add+0x118/0x17c [ 71.364582][ T4660] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.365328][ T4660] gfs2_fill_super+0xdec/0x19ec [ 71.366102][ T4660] get_tree_bdev+0x358/0x544 [ 71.366788][ T4660] gfs2_get_tree+0x54/0x1b4 [ 71.367459][ T4660] vfs_get_tree+0x90/0x274 [ 71.368158][ T4660] do_new_mount+0x228/0x810 [ 71.368832][ T4660] path_mount+0x5b4/0xe78 [ 71.369473][ T4660] __arm64_sys_mount+0x49c/0x584 [ 71.370208][ T4660] invoke_syscall+0x98/0x2bc [ 71.370846][ T4660] el0_svc_common+0x138/0x258 [ 71.371476][ T4660] do_el0_svc+0x58/0x13c [ 71.372102][ T4660] el0_svc+0x58/0x138 [ 71.372646][ T4660] el0t_64_sync_handler+0x84/0xf0 [ 71.373368][ T4660] el0t_64_sync+0x18c/0x190 [ 71.374216][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.376403][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.498350][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.499516][ T4662] CPU: 0 PID: 4662 Comm: syz.1.84 Not tainted syzkaller #0 [ 71.500526][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.501923][ T4662] Call trace: [ 71.502393][ T4662] dump_backtrace+0x1c8/0x1f4 [ 71.503045][ T4662] show_stack+0x2c/0x3c [ 71.503626][ T4662] __dump_stack+0x30/0x40 [ 71.504206][ T4662] dump_stack_lvl+0xf8/0x160 [ 71.504781][ T4662] dump_stack+0x1c/0x5c [ 71.505412][ T4662] sysfs_create_dir_ns+0x22c/0x24c [ 71.506248][ T4662] kobject_add_internal+0x5a8/0xb30 [ 71.507031][ T4662] kobject_init_and_add+0x118/0x17c [ 71.507865][ T4662] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.508617][ T4662] gfs2_fill_super+0xdec/0x19ec [ 71.509307][ T4662] get_tree_bdev+0x358/0x544 [ 71.509993][ T4662] gfs2_get_tree+0x54/0x1b4 [ 71.510672][ T4662] vfs_get_tree+0x90/0x274 [ 71.511368][ T4662] do_new_mount+0x228/0x810 [ 71.512011][ T4662] path_mount+0x5b4/0xe78 [ 71.512688][ T4662] __arm64_sys_mount+0x49c/0x584 [ 71.513486][ T4662] invoke_syscall+0x98/0x2bc [ 71.514170][ T4662] el0_svc_common+0x138/0x258 [ 71.514880][ T4662] do_el0_svc+0x58/0x13c [ 71.515530][ T4662] el0_svc+0x58/0x138 [ 71.516225][ T4662] el0t_64_sync_handler+0x84/0xf0 [ 71.517060][ T4662] el0t_64_sync+0x18c/0x190 [ 71.519070][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.521094][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.650891][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.652035][ T4664] CPU: 0 PID: 4664 Comm: syz.1.85 Not tainted syzkaller #0 [ 71.653000][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.654535][ T4664] Call trace: [ 71.655038][ T4664] dump_backtrace+0x1c8/0x1f4 [ 71.655833][ T4664] show_stack+0x2c/0x3c [ 71.656403][ T4664] __dump_stack+0x30/0x40 [ 71.657087][ T4664] dump_stack_lvl+0xf8/0x160 [ 71.657761][ T4664] dump_stack+0x1c/0x5c [ 71.658384][ T4664] sysfs_create_dir_ns+0x22c/0x24c [ 71.659160][ T4664] kobject_add_internal+0x5a8/0xb30 [ 71.659974][ T4664] kobject_init_and_add+0x118/0x17c [ 71.660773][ T4664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.661500][ T4664] gfs2_fill_super+0xdec/0x19ec [ 71.662234][ T4664] get_tree_bdev+0x358/0x544 [ 71.662934][ T4664] gfs2_get_tree+0x54/0x1b4 [ 71.663622][ T4664] vfs_get_tree+0x90/0x274 [ 71.664283][ T4664] do_new_mount+0x228/0x810 [ 71.664969][ T4664] path_mount+0x5b4/0xe78 [ 71.665656][ T4664] __arm64_sys_mount+0x49c/0x584 [ 71.666436][ T4664] invoke_syscall+0x98/0x2bc [ 71.667158][ T4664] el0_svc_common+0x138/0x258 [ 71.667826][ T4664] do_el0_svc+0x58/0x13c [ 71.668496][ T4664] el0_svc+0x58/0x138 [ 71.669115][ T4664] el0t_64_sync_handler+0x84/0xf0 [ 71.669848][ T4664] el0t_64_sync+0x18c/0x190 [ 71.673744][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.675762][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:11 executed programs: 71 [ 71.795530][ T4667] set_capacity_and_notify: 24 callbacks suppressed [ 71.795541][ T4667] loop1: detected capacity change from 0 to 32768 [ 71.798264][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.799794][ T4667] CPU: 0 PID: 4667 Comm: syz.1.86 Not tainted syzkaller #0 [ 71.800955][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.802456][ T4667] Call trace: [ 71.802939][ T4667] dump_backtrace+0x1c8/0x1f4 [ 71.803650][ T4667] show_stack+0x2c/0x3c [ 71.804306][ T4667] __dump_stack+0x30/0x40 [ 71.804944][ T4667] dump_stack_lvl+0xf8/0x160 [ 71.805606][ T4667] dump_stack+0x1c/0x5c [ 71.806236][ T4667] sysfs_create_dir_ns+0x22c/0x24c [ 71.807049][ T4667] kobject_add_internal+0x5a8/0xb30 [ 71.807892][ T4667] kobject_init_and_add+0x118/0x17c [ 71.808658][ T4667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.809318][ T4667] gfs2_fill_super+0xdec/0x19ec [ 71.810005][ T4667] get_tree_bdev+0x358/0x544 [ 71.810640][ T4667] gfs2_get_tree+0x54/0x1b4 [ 71.811286][ T4667] vfs_get_tree+0x90/0x274 [ 71.811984][ T4667] do_new_mount+0x228/0x810 [ 71.812692][ T4667] path_mount+0x5b4/0xe78 [ 71.813367][ T4667] __arm64_sys_mount+0x49c/0x584 [ 71.814040][ T4667] invoke_syscall+0x98/0x2bc [ 71.814762][ T4667] el0_svc_common+0x138/0x258 [ 71.815522][ T4667] do_el0_svc+0x58/0x13c [ 71.816164][ T4667] el0_svc+0x58/0x138 [ 71.816776][ T4667] el0t_64_sync_handler+0x84/0xf0 [ 71.817502][ T4667] el0t_64_sync+0x18c/0x190 [ 71.819491][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.821279][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 71.936059][ T4669] loop1: detected capacity change from 0 to 32768 [ 71.957589][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 71.958934][ T4669] CPU: 1 PID: 4669 Comm: syz.1.87 Not tainted syzkaller #0 [ 71.960064][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 71.961511][ T4669] Call trace: [ 71.962018][ T4669] dump_backtrace+0x1c8/0x1f4 [ 71.962781][ T4669] show_stack+0x2c/0x3c [ 71.963458][ T4669] __dump_stack+0x30/0x40 [ 71.964095][ T4669] dump_stack_lvl+0xf8/0x160 [ 71.964849][ T4669] dump_stack+0x1c/0x5c [ 71.965509][ T4669] sysfs_create_dir_ns+0x22c/0x24c [ 71.966330][ T4669] kobject_add_internal+0x5a8/0xb30 [ 71.967099][ T4669] kobject_init_and_add+0x118/0x17c [ 71.967891][ T4669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 71.968621][ T4669] gfs2_fill_super+0xdec/0x19ec [ 71.969422][ T4669] get_tree_bdev+0x358/0x544 [ 71.970157][ T4669] gfs2_get_tree+0x54/0x1b4 [ 71.970897][ T4669] vfs_get_tree+0x90/0x274 [ 71.971571][ T4669] do_new_mount+0x228/0x810 [ 71.972281][ T4669] path_mount+0x5b4/0xe78 [ 71.972926][ T4669] __arm64_sys_mount+0x49c/0x584 [ 71.973662][ T4669] invoke_syscall+0x98/0x2bc [ 71.974360][ T4669] el0_svc_common+0x138/0x258 [ 71.975068][ T4669] do_el0_svc+0x58/0x13c [ 71.975692][ T4669] el0_svc+0x58/0x138 [ 71.976344][ T4669] el0t_64_sync_handler+0x84/0xf0 [ 71.977090][ T4669] el0t_64_sync+0x18c/0x190 [ 71.980690][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 71.982778][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.106046][ T4671] loop1: detected capacity change from 0 to 32768 [ 72.112472][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.113690][ T4671] CPU: 0 PID: 4671 Comm: syz.1.88 Not tainted syzkaller #0 [ 72.114803][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.116325][ T4671] Call trace: [ 72.116831][ T4671] dump_backtrace+0x1c8/0x1f4 [ 72.117486][ T4671] show_stack+0x2c/0x3c [ 72.118088][ T4671] __dump_stack+0x30/0x40 [ 72.118756][ T4671] dump_stack_lvl+0xf8/0x160 [ 72.119392][ T4671] dump_stack+0x1c/0x5c [ 72.120041][ T4671] sysfs_create_dir_ns+0x22c/0x24c [ 72.120765][ T4671] kobject_add_internal+0x5a8/0xb30 [ 72.121541][ T4671] kobject_init_and_add+0x118/0x17c [ 72.122331][ T4671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.123105][ T4671] gfs2_fill_super+0xdec/0x19ec [ 72.123867][ T4671] get_tree_bdev+0x358/0x544 [ 72.124562][ T4671] gfs2_get_tree+0x54/0x1b4 [ 72.125258][ T4671] vfs_get_tree+0x90/0x274 [ 72.125965][ T4671] do_new_mount+0x228/0x810 [ 72.126625][ T4671] path_mount+0x5b4/0xe78 [ 72.127283][ T4671] __arm64_sys_mount+0x49c/0x584 [ 72.128048][ T4671] invoke_syscall+0x98/0x2bc [ 72.128734][ T4671] el0_svc_common+0x138/0x258 [ 72.129364][ T4671] do_el0_svc+0x58/0x13c [ 72.129976][ T4671] el0_svc+0x58/0x138 [ 72.130609][ T4671] el0t_64_sync_handler+0x84/0xf0 [ 72.131319][ T4671] el0t_64_sync+0x18c/0x190 [ 72.132092][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.134403][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.256105][ T4674] loop1: detected capacity change from 0 to 32768 [ 72.265416][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.266698][ T4674] CPU: 1 PID: 4674 Comm: syz.1.89 Not tainted syzkaller #0 [ 72.267843][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.269308][ T4674] Call trace: [ 72.269799][ T4674] dump_backtrace+0x1c8/0x1f4 [ 72.270503][ T4674] show_stack+0x2c/0x3c [ 72.271209][ T4674] __dump_stack+0x30/0x40 [ 72.271928][ T4674] dump_stack_lvl+0xf8/0x160 [ 72.272614][ T4674] dump_stack+0x1c/0x5c [ 72.273290][ T4674] sysfs_create_dir_ns+0x22c/0x24c [ 72.274062][ T4674] kobject_add_internal+0x5a8/0xb30 [ 72.274872][ T4674] kobject_init_and_add+0x118/0x17c [ 72.275668][ T4674] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.276444][ T4674] gfs2_fill_super+0xdec/0x19ec [ 72.277113][ T4674] get_tree_bdev+0x358/0x544 [ 72.277793][ T4674] gfs2_get_tree+0x54/0x1b4 [ 72.278494][ T4674] vfs_get_tree+0x90/0x274 [ 72.279181][ T4674] do_new_mount+0x228/0x810 [ 72.279857][ T4674] path_mount+0x5b4/0xe78 [ 72.280466][ T4674] __arm64_sys_mount+0x49c/0x584 [ 72.281217][ T4674] invoke_syscall+0x98/0x2bc [ 72.281951][ T4674] el0_svc_common+0x138/0x258 [ 72.282692][ T4674] do_el0_svc+0x58/0x13c [ 72.283385][ T4674] el0_svc+0x58/0x138 [ 72.283948][ T4674] el0t_64_sync_handler+0x84/0xf0 [ 72.284668][ T4674] el0t_64_sync+0x18c/0x190 [ 72.286735][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.288836][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.405266][ T4676] loop1: detected capacity change from 0 to 32768 [ 72.407428][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.408465][ T4676] CPU: 1 PID: 4676 Comm: syz.1.90 Not tainted syzkaller #0 [ 72.409570][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.411060][ T4676] Call trace: [ 72.411541][ T4676] dump_backtrace+0x1c8/0x1f4 [ 72.412271][ T4676] show_stack+0x2c/0x3c [ 72.412897][ T4676] __dump_stack+0x30/0x40 [ 72.413557][ T4676] dump_stack_lvl+0xf8/0x160 [ 72.414231][ T4676] dump_stack+0x1c/0x5c [ 72.414752][ T4676] sysfs_create_dir_ns+0x22c/0x24c [ 72.415458][ T4676] kobject_add_internal+0x5a8/0xb30 [ 72.416185][ T4676] kobject_init_and_add+0x118/0x17c [ 72.416952][ T4676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.417605][ T4676] gfs2_fill_super+0xdec/0x19ec [ 72.418320][ T4676] get_tree_bdev+0x358/0x544 [ 72.418966][ T4676] gfs2_get_tree+0x54/0x1b4 [ 72.419729][ T4676] vfs_get_tree+0x90/0x274 [ 72.420422][ T4676] do_new_mount+0x228/0x810 [ 72.421162][ T4676] path_mount+0x5b4/0xe78 [ 72.421803][ T4676] __arm64_sys_mount+0x49c/0x584 [ 72.422567][ T4676] invoke_syscall+0x98/0x2bc [ 72.423300][ T4676] el0_svc_common+0x138/0x258 [ 72.424050][ T4676] do_el0_svc+0x58/0x13c [ 72.424817][ T4676] el0_svc+0x58/0x138 [ 72.425503][ T4676] el0t_64_sync_handler+0x84/0xf0 [ 72.426351][ T4676] el0t_64_sync+0x18c/0x190 [ 72.428978][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.431003][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.551857][ T4678] loop1: detected capacity change from 0 to 32768 [ 72.557945][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.559094][ T4678] CPU: 0 PID: 4678 Comm: syz.1.91 Not tainted syzkaller #0 [ 72.560108][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.561597][ T4678] Call trace: [ 72.562123][ T4678] dump_backtrace+0x1c8/0x1f4 [ 72.562726][ T4678] show_stack+0x2c/0x3c [ 72.563342][ T4678] __dump_stack+0x30/0x40 [ 72.564062][ T4678] dump_stack_lvl+0xf8/0x160 [ 72.564681][ T4678] dump_stack+0x1c/0x5c [ 72.565262][ T4678] sysfs_create_dir_ns+0x22c/0x24c [ 72.565977][ T4678] kobject_add_internal+0x5a8/0xb30 [ 72.566694][ T4678] kobject_init_and_add+0x118/0x17c [ 72.567455][ T4678] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.568150][ T4678] gfs2_fill_super+0xdec/0x19ec [ 72.568848][ T4678] get_tree_bdev+0x358/0x544 [ 72.569510][ T4678] gfs2_get_tree+0x54/0x1b4 [ 72.570185][ T4678] vfs_get_tree+0x90/0x274 [ 72.570908][ T4678] do_new_mount+0x228/0x810 [ 72.571567][ T4678] path_mount+0x5b4/0xe78 [ 72.572223][ T4678] __arm64_sys_mount+0x49c/0x584 [ 72.572996][ T4678] invoke_syscall+0x98/0x2bc [ 72.573680][ T4678] el0_svc_common+0x138/0x258 [ 72.574363][ T4678] do_el0_svc+0x58/0x13c [ 72.574983][ T4678] el0_svc+0x58/0x138 [ 72.575629][ T4678] el0t_64_sync_handler+0x84/0xf0 [ 72.576426][ T4678] el0t_64_sync+0x18c/0x190 [ 72.577259][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.579158][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.694147][ T4680] loop1: detected capacity change from 0 to 32768 [ 72.699834][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.701805][ T4680] CPU: 1 PID: 4680 Comm: syz.1.92 Not tainted syzkaller #0 [ 72.702903][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.704311][ T4680] Call trace: [ 72.704831][ T4680] dump_backtrace+0x1c8/0x1f4 [ 72.705526][ T4680] show_stack+0x2c/0x3c [ 72.706098][ T4680] __dump_stack+0x30/0x40 [ 72.706749][ T4680] dump_stack_lvl+0xf8/0x160 [ 72.707456][ T4680] dump_stack+0x1c/0x5c [ 72.708046][ T4680] sysfs_create_dir_ns+0x22c/0x24c [ 72.708801][ T4680] kobject_add_internal+0x5a8/0xb30 [ 72.709573][ T4680] kobject_init_and_add+0x118/0x17c [ 72.710309][ T4680] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.711037][ T4680] gfs2_fill_super+0xdec/0x19ec [ 72.711777][ T4680] get_tree_bdev+0x358/0x544 [ 72.712422][ T4680] gfs2_get_tree+0x54/0x1b4 [ 72.713084][ T4680] vfs_get_tree+0x90/0x274 [ 72.713755][ T4680] do_new_mount+0x228/0x810 [ 72.714451][ T4680] path_mount+0x5b4/0xe78 [ 72.715088][ T4680] __arm64_sys_mount+0x49c/0x584 [ 72.715808][ T4680] invoke_syscall+0x98/0x2bc [ 72.716488][ T4680] el0_svc_common+0x138/0x258 [ 72.717154][ T4680] do_el0_svc+0x58/0x13c [ 72.717774][ T4680] el0_svc+0x58/0x138 [ 72.718333][ T4680] el0t_64_sync_handler+0x84/0xf0 [ 72.719114][ T4680] el0t_64_sync+0x18c/0x190 [ 72.721307][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.723359][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.842309][ T4682] loop1: detected capacity change from 0 to 32768 [ 72.847491][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.848980][ T4682] CPU: 1 PID: 4682 Comm: syz.1.93 Not tainted syzkaller #0 [ 72.850190][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.851819][ T4682] Call trace: [ 72.852313][ T4682] dump_backtrace+0x1c8/0x1f4 [ 72.853070][ T4682] show_stack+0x2c/0x3c [ 72.853754][ T4682] __dump_stack+0x30/0x40 [ 72.854452][ T4682] dump_stack_lvl+0xf8/0x160 [ 72.855190][ T4682] dump_stack+0x1c/0x5c [ 72.855814][ T4682] sysfs_create_dir_ns+0x22c/0x24c [ 72.856635][ T4682] kobject_add_internal+0x5a8/0xb30 [ 72.857520][ T4682] kobject_init_and_add+0x118/0x17c [ 72.858312][ T4682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 72.859047][ T4682] gfs2_fill_super+0xdec/0x19ec [ 72.859742][ T4682] get_tree_bdev+0x358/0x544 [ 72.860430][ T4682] gfs2_get_tree+0x54/0x1b4 [ 72.861141][ T4682] vfs_get_tree+0x90/0x274 [ 72.861811][ T4682] do_new_mount+0x228/0x810 [ 72.862488][ T4682] path_mount+0x5b4/0xe78 [ 72.863143][ T4682] __arm64_sys_mount+0x49c/0x584 [ 72.863929][ T4682] invoke_syscall+0x98/0x2bc [ 72.864693][ T4682] el0_svc_common+0x138/0x258 [ 72.865338][ T4682] do_el0_svc+0x58/0x13c [ 72.865983][ T4682] el0_svc+0x58/0x138 [ 72.866541][ T4682] el0t_64_sync_handler+0x84/0xf0 [ 72.867335][ T4682] el0t_64_sync+0x18c/0x190 [ 72.868169][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 72.870444][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 72.988077][ T4684] loop1: detected capacity change from 0 to 32768 [ 72.989912][ T4684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 72.991091][ T4684] CPU: 0 PID: 4684 Comm: syz.1.94 Not tainted syzkaller #0 [ 72.992227][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 72.993654][ T4684] Call trace: [ 72.994133][ T4684] dump_backtrace+0x1c8/0x1f4 [ 72.994818][ T4684] show_stack+0x2c/0x3c [ 72.995436][ T4684] __dump_stack+0x30/0x40 [ 72.996057][ T4684] dump_stack_lvl+0xf8/0x160 [ 72.996681][ T4684] dump_stack+0x1c/0x5c [ 72.997300][ T4684] sysfs_create_dir_ns+0x22c/0x24c [ 72.998037][ T4684] kobject_add_internal+0x5a8/0xb30 [ 72.998764][ T4684] kobject_init_and_add+0x118/0x17c [ 72.999546][ T4684] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.000234][ T4684] gfs2_fill_super+0xdec/0x19ec [ 73.000966][ T4684] get_tree_bdev+0x358/0x544 [ 73.001667][ T4684] gfs2_get_tree+0x54/0x1b4 [ 73.002328][ T4684] vfs_get_tree+0x90/0x274 [ 73.002968][ T4684] do_new_mount+0x228/0x810 [ 73.003635][ T4684] path_mount+0x5b4/0xe78 [ 73.004272][ T4684] __arm64_sys_mount+0x49c/0x584 [ 73.004985][ T4684] invoke_syscall+0x98/0x2bc [ 73.005609][ T4684] el0_svc_common+0x138/0x258 [ 73.006278][ T4684] do_el0_svc+0x58/0x13c [ 73.006931][ T4684] el0_svc+0x58/0x138 [ 73.007525][ T4684] el0t_64_sync_handler+0x84/0xf0 [ 73.008263][ T4684] el0t_64_sync+0x18c/0x190 [ 73.009607][ T4684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.011519][ T4684] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.137621][ T4686] loop1: detected capacity change from 0 to 32768 [ 73.143915][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.145011][ T4686] CPU: 1 PID: 4686 Comm: syz.1.95 Not tainted syzkaller #0 [ 73.146063][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.147466][ T4686] Call trace: [ 73.148029][ T4686] dump_backtrace+0x1c8/0x1f4 [ 73.148791][ T4686] show_stack+0x2c/0x3c [ 73.149483][ T4686] __dump_stack+0x30/0x40 [ 73.150118][ T4686] dump_stack_lvl+0xf8/0x160 [ 73.150848][ T4686] dump_stack+0x1c/0x5c [ 73.151460][ T4686] sysfs_create_dir_ns+0x22c/0x24c [ 73.152166][ T4686] kobject_add_internal+0x5a8/0xb30 [ 73.152882][ T4686] kobject_init_and_add+0x118/0x17c [ 73.153591][ T4686] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.154281][ T4686] gfs2_fill_super+0xdec/0x19ec [ 73.154954][ T4686] get_tree_bdev+0x358/0x544 [ 73.155577][ T4686] gfs2_get_tree+0x54/0x1b4 [ 73.156221][ T4686] vfs_get_tree+0x90/0x274 [ 73.156894][ T4686] do_new_mount+0x228/0x810 [ 73.157567][ T4686] path_mount+0x5b4/0xe78 [ 73.158199][ T4686] __arm64_sys_mount+0x49c/0x584 [ 73.158979][ T4686] invoke_syscall+0x98/0x2bc [ 73.159663][ T4686] el0_svc_common+0x138/0x258 [ 73.160369][ T4686] do_el0_svc+0x58/0x13c [ 73.160976][ T4686] el0_svc+0x58/0x138 [ 73.161530][ T4686] el0t_64_sync_handler+0x84/0xf0 [ 73.162275][ T4686] el0t_64_sync+0x18c/0x190 [ 73.163053][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.166851][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.292449][ T4689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.293572][ T4689] CPU: 1 PID: 4689 Comm: syz.1.96 Not tainted syzkaller #0 [ 73.294648][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.296083][ T4689] Call trace: [ 73.296555][ T4689] dump_backtrace+0x1c8/0x1f4 [ 73.297290][ T4689] show_stack+0x2c/0x3c [ 73.297893][ T4689] __dump_stack+0x30/0x40 [ 73.298523][ T4689] dump_stack_lvl+0xf8/0x160 [ 73.299210][ T4689] dump_stack+0x1c/0x5c [ 73.299819][ T4689] sysfs_create_dir_ns+0x22c/0x24c [ 73.300541][ T4689] kobject_add_internal+0x5a8/0xb30 [ 73.301308][ T4689] kobject_init_and_add+0x118/0x17c [ 73.302043][ T4689] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.302715][ T4689] gfs2_fill_super+0xdec/0x19ec [ 73.303452][ T4689] get_tree_bdev+0x358/0x544 [ 73.304094][ T4689] gfs2_get_tree+0x54/0x1b4 [ 73.304751][ T4689] vfs_get_tree+0x90/0x274 [ 73.305397][ T4689] do_new_mount+0x228/0x810 [ 73.306033][ T4689] path_mount+0x5b4/0xe78 [ 73.306695][ T4689] __arm64_sys_mount+0x49c/0x584 [ 73.307414][ T4689] invoke_syscall+0x98/0x2bc [ 73.308041][ T4689] el0_svc_common+0x138/0x258 [ 73.308729][ T4689] do_el0_svc+0x58/0x13c [ 73.309322][ T4689] el0_svc+0x58/0x138 [ 73.309904][ T4689] el0t_64_sync_handler+0x84/0xf0 [ 73.310630][ T4689] el0t_64_sync+0x18c/0x190 [ 73.311406][ T4689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.313238][ T4689] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.435310][ T4691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.436414][ T4691] CPU: 0 PID: 4691 Comm: syz.1.97 Not tainted syzkaller #0 [ 73.437471][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.438967][ T4691] Call trace: [ 73.439451][ T4691] dump_backtrace+0x1c8/0x1f4 [ 73.440148][ T4691] show_stack+0x2c/0x3c [ 73.440776][ T4691] __dump_stack+0x30/0x40 [ 73.441398][ T4691] dump_stack_lvl+0xf8/0x160 [ 73.442095][ T4691] dump_stack+0x1c/0x5c [ 73.442645][ T4691] sysfs_create_dir_ns+0x22c/0x24c [ 73.443357][ T4691] kobject_add_internal+0x5a8/0xb30 [ 73.444159][ T4691] kobject_init_and_add+0x118/0x17c [ 73.444854][ T4691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.445532][ T4691] gfs2_fill_super+0xdec/0x19ec [ 73.446243][ T4691] get_tree_bdev+0x358/0x544 [ 73.446968][ T4691] gfs2_get_tree+0x54/0x1b4 [ 73.447607][ T4691] vfs_get_tree+0x90/0x274 [ 73.448226][ T4691] do_new_mount+0x228/0x810 [ 73.448876][ T4691] path_mount+0x5b4/0xe78 [ 73.449493][ T4691] __arm64_sys_mount+0x49c/0x584 [ 73.450172][ T4691] invoke_syscall+0x98/0x2bc [ 73.450825][ T4691] el0_svc_common+0x138/0x258 [ 73.451474][ T4691] do_el0_svc+0x58/0x13c [ 73.452124][ T4691] el0_svc+0x58/0x138 [ 73.452708][ T4691] el0t_64_sync_handler+0x84/0xf0 [ 73.453417][ T4691] el0t_64_sync+0x18c/0x190 [ 73.456226][ T4691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.458079][ T4691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.581899][ T4693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.583150][ T4693] CPU: 1 PID: 4693 Comm: syz.1.98 Not tainted syzkaller #0 [ 73.584203][ T4693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.585571][ T4693] Call trace: [ 73.586092][ T4693] dump_backtrace+0x1c8/0x1f4 [ 73.586768][ T4693] show_stack+0x2c/0x3c [ 73.587396][ T4693] __dump_stack+0x30/0x40 [ 73.588056][ T4693] dump_stack_lvl+0xf8/0x160 [ 73.588738][ T4693] dump_stack+0x1c/0x5c [ 73.589394][ T4693] sysfs_create_dir_ns+0x22c/0x24c [ 73.590186][ T4693] kobject_add_internal+0x5a8/0xb30 [ 73.590970][ T4693] kobject_init_and_add+0x118/0x17c [ 73.591706][ T4693] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.592431][ T4693] gfs2_fill_super+0xdec/0x19ec [ 73.593126][ T4693] get_tree_bdev+0x358/0x544 [ 73.593772][ T4693] gfs2_get_tree+0x54/0x1b4 [ 73.594481][ T4693] vfs_get_tree+0x90/0x274 [ 73.595160][ T4693] do_new_mount+0x228/0x810 [ 73.595853][ T4693] path_mount+0x5b4/0xe78 [ 73.596465][ T4693] __arm64_sys_mount+0x49c/0x584 [ 73.597176][ T4693] invoke_syscall+0x98/0x2bc [ 73.597902][ T4693] el0_svc_common+0x138/0x258 [ 73.598610][ T4693] do_el0_svc+0x58/0x13c [ 73.599235][ T4693] el0_svc+0x58/0x138 [ 73.599810][ T4693] el0t_64_sync_handler+0x84/0xf0 [ 73.600613][ T4693] el0t_64_sync+0x18c/0x190 [ 73.601409][ T4693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.603243][ T4693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.726831][ T4695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.727931][ T4695] CPU: 0 PID: 4695 Comm: syz.1.99 Not tainted syzkaller #0 [ 73.728998][ T4695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.730518][ T4695] Call trace: [ 73.731073][ T4695] dump_backtrace+0x1c8/0x1f4 [ 73.731949][ T4695] show_stack+0x2c/0x3c [ 73.732685][ T4695] __dump_stack+0x30/0x40 [ 73.733325][ T4695] dump_stack_lvl+0xf8/0x160 [ 73.734064][ T4695] dump_stack+0x1c/0x5c [ 73.734718][ T4695] sysfs_create_dir_ns+0x22c/0x24c [ 73.735446][ T4695] kobject_add_internal+0x5a8/0xb30 [ 73.736252][ T4695] kobject_init_and_add+0x118/0x17c [ 73.737004][ T4695] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.737724][ T4695] gfs2_fill_super+0xdec/0x19ec [ 73.738398][ T4695] get_tree_bdev+0x358/0x544 [ 73.739055][ T4695] gfs2_get_tree+0x54/0x1b4 [ 73.739676][ T4695] vfs_get_tree+0x90/0x274 [ 73.740344][ T4695] do_new_mount+0x228/0x810 [ 73.741007][ T4695] path_mount+0x5b4/0xe78 [ 73.741622][ T4695] __arm64_sys_mount+0x49c/0x584 [ 73.742299][ T4695] invoke_syscall+0x98/0x2bc [ 73.742938][ T4695] el0_svc_common+0x138/0x258 [ 73.743609][ T4695] do_el0_svc+0x58/0x13c [ 73.744242][ T4695] el0_svc+0x58/0x138 [ 73.744793][ T4695] el0t_64_sync_handler+0x84/0xf0 [ 73.745626][ T4695] el0t_64_sync+0x18c/0x190 [ 73.747639][ T4695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.749781][ T4695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 73.874878][ T4697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 73.876689][ T4697] CPU: 1 PID: 4697 Comm: syz.1.100 Not tainted syzkaller #0 [ 73.877823][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 73.879394][ T4697] Call trace: [ 73.879941][ T4697] dump_backtrace+0x1c8/0x1f4 [ 73.880713][ T4697] show_stack+0x2c/0x3c [ 73.881342][ T4697] __dump_stack+0x30/0x40 [ 73.882034][ T4697] dump_stack_lvl+0xf8/0x160 [ 73.882716][ T4697] dump_stack+0x1c/0x5c [ 73.883360][ T4697] sysfs_create_dir_ns+0x22c/0x24c [ 73.884098][ T4697] kobject_add_internal+0x5a8/0xb30 [ 73.884857][ T4697] kobject_init_and_add+0x118/0x17c [ 73.885666][ T4697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 73.886355][ T4697] gfs2_fill_super+0xdec/0x19ec [ 73.887121][ T4697] get_tree_bdev+0x358/0x544 [ 73.887819][ T4697] gfs2_get_tree+0x54/0x1b4 [ 73.888450][ T4697] vfs_get_tree+0x90/0x274 [ 73.889147][ T4697] do_new_mount+0x228/0x810 [ 73.889836][ T4697] path_mount+0x5b4/0xe78 [ 73.890500][ T4697] __arm64_sys_mount+0x49c/0x584 [ 73.891216][ T4697] invoke_syscall+0x98/0x2bc [ 73.891851][ T4697] el0_svc_common+0x138/0x258 [ 73.892560][ T4697] do_el0_svc+0x58/0x13c [ 73.893208][ T4697] el0_svc+0x58/0x138 [ 73.893814][ T4697] el0t_64_sync_handler+0x84/0xf0 [ 73.894602][ T4697] el0t_64_sync+0x18c/0x190 [ 73.895516][ T4697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 73.897378][ T4697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.023026][ T4699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.024185][ T4699] CPU: 0 PID: 4699 Comm: syz.1.101 Not tainted syzkaller #0 [ 74.025301][ T4699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.026679][ T4699] Call trace: [ 74.027177][ T4699] dump_backtrace+0x1c8/0x1f4 [ 74.027886][ T4699] show_stack+0x2c/0x3c [ 74.028437][ T4699] __dump_stack+0x30/0x40 [ 74.029071][ T4699] dump_stack_lvl+0xf8/0x160 [ 74.029763][ T4699] dump_stack+0x1c/0x5c [ 74.030348][ T4699] sysfs_create_dir_ns+0x22c/0x24c [ 74.031141][ T4699] kobject_add_internal+0x5a8/0xb30 [ 74.031873][ T4699] kobject_init_and_add+0x118/0x17c [ 74.032610][ T4699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.033298][ T4699] gfs2_fill_super+0xdec/0x19ec [ 74.033983][ T4699] get_tree_bdev+0x358/0x544 [ 74.034561][ T4699] gfs2_get_tree+0x54/0x1b4 [ 74.035179][ T4699] vfs_get_tree+0x90/0x274 [ 74.036022][ T4699] do_new_mount+0x228/0x810 [ 74.036738][ T4699] path_mount+0x5b4/0xe78 [ 74.037470][ T4699] __arm64_sys_mount+0x49c/0x584 [ 74.038234][ T4699] invoke_syscall+0x98/0x2bc [ 74.038971][ T4699] el0_svc_common+0x138/0x258 [ 74.039735][ T4699] do_el0_svc+0x58/0x13c [ 74.040403][ T4699] el0_svc+0x58/0x138 [ 74.041032][ T4699] el0t_64_sync_handler+0x84/0xf0 [ 74.041762][ T4699] el0t_64_sync+0x18c/0x190 [ 74.043702][ T4699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.045738][ T4699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.186375][ T4701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.187587][ T4701] CPU: 1 PID: 4701 Comm: syz.1.102 Not tainted syzkaller #0 [ 74.188709][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.190198][ T4701] Call trace: [ 74.190708][ T4701] dump_backtrace+0x1c8/0x1f4 [ 74.191482][ T4701] show_stack+0x2c/0x3c [ 74.192151][ T4701] __dump_stack+0x30/0x40 [ 74.192852][ T4701] dump_stack_lvl+0xf8/0x160 [ 74.193596][ T4701] dump_stack+0x1c/0x5c [ 74.194199][ T4701] sysfs_create_dir_ns+0x22c/0x24c [ 74.195011][ T4701] kobject_add_internal+0x5a8/0xb30 [ 74.195910][ T4701] kobject_init_and_add+0x118/0x17c [ 74.196794][ T4701] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.197569][ T4701] gfs2_fill_super+0xdec/0x19ec [ 74.198258][ T4701] get_tree_bdev+0x358/0x544 [ 74.198972][ T4701] gfs2_get_tree+0x54/0x1b4 [ 74.199658][ T4701] vfs_get_tree+0x90/0x274 [ 74.200340][ T4701] do_new_mount+0x228/0x810 [ 74.201052][ T4701] path_mount+0x5b4/0xe78 [ 74.201706][ T4701] __arm64_sys_mount+0x49c/0x584 [ 74.202432][ T4701] invoke_syscall+0x98/0x2bc [ 74.203152][ T4701] el0_svc_common+0x138/0x258 [ 74.203829][ T4701] do_el0_svc+0x58/0x13c [ 74.204450][ T4701] el0_svc+0x58/0x138 [ 74.205143][ T4701] el0t_64_sync_handler+0x84/0xf0 [ 74.205834][ T4701] el0t_64_sync+0x18c/0x190 [ 74.208242][ T4701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.211170][ T4701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.328843][ T4703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.329955][ T4703] CPU: 1 PID: 4703 Comm: syz.1.103 Not tainted syzkaller #0 [ 74.331137][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.332686][ T4703] Call trace: [ 74.333231][ T4703] dump_backtrace+0x1c8/0x1f4 [ 74.333955][ T4703] show_stack+0x2c/0x3c [ 74.334566][ T4703] __dump_stack+0x30/0x40 [ 74.335315][ T4703] dump_stack_lvl+0xf8/0x160 [ 74.336075][ T4703] dump_stack+0x1c/0x5c [ 74.336692][ T4703] sysfs_create_dir_ns+0x22c/0x24c [ 74.337458][ T4703] kobject_add_internal+0x5a8/0xb30 [ 74.338227][ T4703] kobject_init_and_add+0x118/0x17c [ 74.339087][ T4703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.339786][ T4703] gfs2_fill_super+0xdec/0x19ec [ 74.340573][ T4703] get_tree_bdev+0x358/0x544 [ 74.341285][ T4703] gfs2_get_tree+0x54/0x1b4 [ 74.342024][ T4703] vfs_get_tree+0x90/0x274 [ 74.342709][ T4703] do_new_mount+0x228/0x810 [ 74.343429][ T4703] path_mount+0x5b4/0xe78 [ 74.344043][ T4703] __arm64_sys_mount+0x49c/0x584 [ 74.344823][ T4703] invoke_syscall+0x98/0x2bc [ 74.345507][ T4703] el0_svc_common+0x138/0x258 [ 74.346213][ T4703] do_el0_svc+0x58/0x13c [ 74.346868][ T4703] el0_svc+0x58/0x138 [ 74.347438][ T4703] el0t_64_sync_handler+0x84/0xf0 [ 74.348220][ T4703] el0t_64_sync+0x18c/0x190 [ 74.349144][ T4703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.353552][ T4703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.495818][ T4705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.497104][ T4705] CPU: 1 PID: 4705 Comm: syz.1.104 Not tainted syzkaller #0 [ 74.498257][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.499907][ T4705] Call trace: [ 74.500352][ T4705] dump_backtrace+0x1c8/0x1f4 [ 74.501115][ T4705] show_stack+0x2c/0x3c [ 74.501785][ T4705] __dump_stack+0x30/0x40 [ 74.502453][ T4705] dump_stack_lvl+0xf8/0x160 [ 74.503122][ T4705] dump_stack+0x1c/0x5c [ 74.503798][ T4705] sysfs_create_dir_ns+0x22c/0x24c [ 74.504544][ T4705] kobject_add_internal+0x5a8/0xb30 [ 74.505347][ T4705] kobject_init_and_add+0x118/0x17c [ 74.506108][ T4705] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.506826][ T4705] gfs2_fill_super+0xdec/0x19ec [ 74.507537][ T4705] get_tree_bdev+0x358/0x544 [ 74.508266][ T4705] gfs2_get_tree+0x54/0x1b4 [ 74.508959][ T4705] vfs_get_tree+0x90/0x274 [ 74.509652][ T4705] do_new_mount+0x228/0x810 [ 74.510279][ T4705] path_mount+0x5b4/0xe78 [ 74.510928][ T4705] __arm64_sys_mount+0x49c/0x584 [ 74.511662][ T4705] invoke_syscall+0x98/0x2bc [ 74.512302][ T4705] el0_svc_common+0x138/0x258 [ 74.512988][ T4705] do_el0_svc+0x58/0x13c [ 74.513619][ T4705] el0_svc+0x58/0x138 [ 74.514210][ T4705] el0t_64_sync_handler+0x84/0xf0 [ 74.514990][ T4705] el0t_64_sync+0x18c/0x190 [ 74.515720][ T4705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.517637][ T4705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.641728][ T4707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.642904][ T4707] CPU: 1 PID: 4707 Comm: syz.1.105 Not tainted syzkaller #0 [ 74.644000][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.645449][ T4707] Call trace: [ 74.645893][ T4707] dump_backtrace+0x1c8/0x1f4 [ 74.646610][ T4707] show_stack+0x2c/0x3c [ 74.647227][ T4707] __dump_stack+0x30/0x40 [ 74.647852][ T4707] dump_stack_lvl+0xf8/0x160 [ 74.648517][ T4707] dump_stack+0x1c/0x5c [ 74.649131][ T4707] sysfs_create_dir_ns+0x22c/0x24c [ 74.649855][ T4707] kobject_add_internal+0x5a8/0xb30 [ 74.650617][ T4707] kobject_init_and_add+0x118/0x17c [ 74.651425][ T4707] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.652136][ T4707] gfs2_fill_super+0xdec/0x19ec [ 74.652812][ T4707] get_tree_bdev+0x358/0x544 [ 74.653511][ T4707] gfs2_get_tree+0x54/0x1b4 [ 74.654197][ T4707] vfs_get_tree+0x90/0x274 [ 74.654860][ T4707] do_new_mount+0x228/0x810 [ 74.655646][ T4707] path_mount+0x5b4/0xe78 [ 74.656314][ T4707] __arm64_sys_mount+0x49c/0x584 [ 74.657060][ T4707] invoke_syscall+0x98/0x2bc [ 74.657735][ T4707] el0_svc_common+0x138/0x258 [ 74.658428][ T4707] do_el0_svc+0x58/0x13c [ 74.659057][ T4707] el0_svc+0x58/0x138 [ 74.659733][ T4707] el0t_64_sync_handler+0x84/0xf0 [ 74.660445][ T4707] el0t_64_sync+0x18c/0x190 [ 74.661985][ T4707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.664135][ T4707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.790460][ T4709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.791574][ T4709] CPU: 0 PID: 4709 Comm: syz.1.106 Not tainted syzkaller #0 [ 74.792603][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.794006][ T4709] Call trace: [ 74.794485][ T4709] dump_backtrace+0x1c8/0x1f4 [ 74.795156][ T4709] show_stack+0x2c/0x3c [ 74.795807][ T4709] __dump_stack+0x30/0x40 [ 74.796462][ T4709] dump_stack_lvl+0xf8/0x160 [ 74.797147][ T4709] dump_stack+0x1c/0x5c [ 74.797776][ T4709] sysfs_create_dir_ns+0x22c/0x24c [ 74.798521][ T4709] kobject_add_internal+0x5a8/0xb30 [ 74.799342][ T4709] kobject_init_and_add+0x118/0x17c [ 74.800072][ T4709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.800755][ T4709] gfs2_fill_super+0xdec/0x19ec [ 74.801456][ T4709] get_tree_bdev+0x358/0x544 [ 74.802112][ T4709] gfs2_get_tree+0x54/0x1b4 [ 74.802752][ T4709] vfs_get_tree+0x90/0x274 [ 74.803355][ T4709] do_new_mount+0x228/0x810 [ 74.803967][ T4709] path_mount+0x5b4/0xe78 [ 74.804516][ T4709] __arm64_sys_mount+0x49c/0x584 [ 74.805181][ T4709] invoke_syscall+0x98/0x2bc [ 74.805855][ T4709] el0_svc_common+0x138/0x258 [ 74.806567][ T4709] do_el0_svc+0x58/0x13c [ 74.807200][ T4709] el0_svc+0x58/0x138 [ 74.807803][ T4709] el0t_64_sync_handler+0x84/0xf0 [ 74.808599][ T4709] el0t_64_sync+0x18c/0x190 [ 74.809328][ T4709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.811144][ T4709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 74.930386][ T4711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 74.931474][ T4711] CPU: 1 PID: 4711 Comm: syz.1.107 Not tainted syzkaller #0 [ 74.932563][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 74.933976][ T4711] Call trace: [ 74.934461][ T4711] dump_backtrace+0x1c8/0x1f4 [ 74.935105][ T4711] show_stack+0x2c/0x3c [ 74.935782][ T4711] __dump_stack+0x30/0x40 [ 74.936419][ T4711] dump_stack_lvl+0xf8/0x160 [ 74.937103][ T4711] dump_stack+0x1c/0x5c [ 74.937717][ T4711] sysfs_create_dir_ns+0x22c/0x24c [ 74.938529][ T4711] kobject_add_internal+0x5a8/0xb30 [ 74.939382][ T4711] kobject_init_and_add+0x118/0x17c [ 74.940214][ T4711] gfs2_sys_fs_add+0x1dc/0x3d8 [ 74.940984][ T4711] gfs2_fill_super+0xdec/0x19ec [ 74.941672][ T4711] get_tree_bdev+0x358/0x544 [ 74.942419][ T4711] gfs2_get_tree+0x54/0x1b4 [ 74.943082][ T4711] vfs_get_tree+0x90/0x274 [ 74.943808][ T4711] do_new_mount+0x228/0x810 [ 74.944579][ T4711] path_mount+0x5b4/0xe78 [ 74.945257][ T4711] __arm64_sys_mount+0x49c/0x584 [ 74.946112][ T4711] invoke_syscall+0x98/0x2bc [ 74.946821][ T4711] el0_svc_common+0x138/0x258 [ 74.947534][ T4711] do_el0_svc+0x58/0x13c [ 74.948204][ T4711] el0_svc+0x58/0x138 [ 74.948820][ T4711] el0t_64_sync_handler+0x84/0xf0 [ 74.949593][ T4711] el0t_64_sync+0x18c/0x190 [ 74.951520][ T4711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 74.953572][ T4711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.075785][ T4713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.077075][ T4713] CPU: 1 PID: 4713 Comm: syz.1.108 Not tainted syzkaller #0 [ 75.078276][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.079798][ T4713] Call trace: [ 75.080282][ T4713] dump_backtrace+0x1c8/0x1f4 [ 75.080989][ T4713] show_stack+0x2c/0x3c [ 75.081605][ T4713] __dump_stack+0x30/0x40 [ 75.082281][ T4713] dump_stack_lvl+0xf8/0x160 [ 75.083010][ T4713] dump_stack+0x1c/0x5c [ 75.083641][ T4713] sysfs_create_dir_ns+0x22c/0x24c [ 75.084325][ T4713] kobject_add_internal+0x5a8/0xb30 [ 75.085049][ T4713] kobject_init_and_add+0x118/0x17c [ 75.085825][ T4713] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.086514][ T4713] gfs2_fill_super+0xdec/0x19ec [ 75.087205][ T4713] get_tree_bdev+0x358/0x544 [ 75.087851][ T4713] gfs2_get_tree+0x54/0x1b4 [ 75.088524][ T4713] vfs_get_tree+0x90/0x274 [ 75.089170][ T4713] do_new_mount+0x228/0x810 [ 75.089966][ T4713] path_mount+0x5b4/0xe78 [ 75.090661][ T4713] __arm64_sys_mount+0x49c/0x584 [ 75.091437][ T4713] invoke_syscall+0x98/0x2bc [ 75.092129][ T4713] el0_svc_common+0x138/0x258 [ 75.092850][ T4713] do_el0_svc+0x58/0x13c [ 75.093542][ T4713] el0_svc+0x58/0x138 [ 75.094177][ T4713] el0t_64_sync_handler+0x84/0xf0 [ 75.094963][ T4713] el0t_64_sync+0x18c/0x190 [ 75.096997][ T4713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.098877][ T4713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.223151][ T4715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.224262][ T4715] CPU: 0 PID: 4715 Comm: syz.1.109 Not tainted syzkaller #0 [ 75.225405][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.226893][ T4715] Call trace: [ 75.227399][ T4715] dump_backtrace+0x1c8/0x1f4 [ 75.228050][ T4715] show_stack+0x2c/0x3c [ 75.228683][ T4715] __dump_stack+0x30/0x40 [ 75.229313][ T4715] dump_stack_lvl+0xf8/0x160 [ 75.230015][ T4715] dump_stack+0x1c/0x5c [ 75.230653][ T4715] sysfs_create_dir_ns+0x22c/0x24c [ 75.231442][ T4715] kobject_add_internal+0x5a8/0xb30 [ 75.232248][ T4715] kobject_init_and_add+0x118/0x17c [ 75.233059][ T4715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.233779][ T4715] gfs2_fill_super+0xdec/0x19ec [ 75.234480][ T4715] get_tree_bdev+0x358/0x544 [ 75.235167][ T4715] gfs2_get_tree+0x54/0x1b4 [ 75.235838][ T4715] vfs_get_tree+0x90/0x274 [ 75.236479][ T4715] do_new_mount+0x228/0x810 [ 75.237104][ T4715] path_mount+0x5b4/0xe78 [ 75.237683][ T4715] __arm64_sys_mount+0x49c/0x584 [ 75.238411][ T4715] invoke_syscall+0x98/0x2bc [ 75.239286][ T4715] el0_svc_common+0x138/0x258 [ 75.240045][ T4715] do_el0_svc+0x58/0x13c [ 75.240697][ T4715] el0_svc+0x58/0x138 [ 75.241262][ T4715] el0t_64_sync_handler+0x84/0xf0 [ 75.241972][ T4715] el0t_64_sync+0x18c/0x190 [ 75.242764][ T4715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.244649][ T4715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.370949][ T4717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.372241][ T4717] CPU: 1 PID: 4717 Comm: syz.1.110 Not tainted syzkaller #0 [ 75.373384][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.374883][ T4717] Call trace: [ 75.375378][ T4717] dump_backtrace+0x1c8/0x1f4 [ 75.376102][ T4717] show_stack+0x2c/0x3c [ 75.376729][ T4717] __dump_stack+0x30/0x40 [ 75.377384][ T4717] dump_stack_lvl+0xf8/0x160 [ 75.378109][ T4717] dump_stack+0x1c/0x5c [ 75.378698][ T4717] sysfs_create_dir_ns+0x22c/0x24c [ 75.379433][ T4717] kobject_add_internal+0x5a8/0xb30 [ 75.380208][ T4717] kobject_init_and_add+0x118/0x17c [ 75.381006][ T4717] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.381696][ T4717] gfs2_fill_super+0xdec/0x19ec [ 75.382400][ T4717] get_tree_bdev+0x358/0x544 [ 75.383072][ T4717] gfs2_get_tree+0x54/0x1b4 [ 75.383744][ T4717] vfs_get_tree+0x90/0x274 [ 75.384427][ T4717] do_new_mount+0x228/0x810 [ 75.385085][ T4717] path_mount+0x5b4/0xe78 [ 75.385681][ T4717] __arm64_sys_mount+0x49c/0x584 [ 75.386416][ T4717] invoke_syscall+0x98/0x2bc [ 75.387131][ T4717] el0_svc_common+0x138/0x258 [ 75.387832][ T4717] do_el0_svc+0x58/0x13c [ 75.388454][ T4717] el0_svc+0x58/0x138 [ 75.389017][ T4717] el0t_64_sync_handler+0x84/0xf0 [ 75.389813][ T4717] el0t_64_sync+0x18c/0x190 [ 75.392163][ T4717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.394166][ T4717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.513526][ T4719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.514574][ T4719] CPU: 0 PID: 4719 Comm: syz.1.111 Not tainted syzkaller #0 [ 75.515627][ T4719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.516987][ T4719] Call trace: [ 75.517479][ T4719] dump_backtrace+0x1c8/0x1f4 [ 75.518161][ T4719] show_stack+0x2c/0x3c [ 75.518821][ T4719] __dump_stack+0x30/0x40 [ 75.519534][ T4719] dump_stack_lvl+0xf8/0x160 [ 75.520227][ T4719] dump_stack+0x1c/0x5c [ 75.520876][ T4719] sysfs_create_dir_ns+0x22c/0x24c [ 75.521672][ T4719] kobject_add_internal+0x5a8/0xb30 [ 75.522419][ T4719] kobject_init_and_add+0x118/0x17c [ 75.523374][ T4719] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.524158][ T4719] gfs2_fill_super+0xdec/0x19ec [ 75.524891][ T4719] get_tree_bdev+0x358/0x544 [ 75.525571][ T4719] gfs2_get_tree+0x54/0x1b4 [ 75.526285][ T4719] vfs_get_tree+0x90/0x274 [ 75.526938][ T4719] do_new_mount+0x228/0x810 [ 75.527655][ T4719] path_mount+0x5b4/0xe78 [ 75.528328][ T4719] __arm64_sys_mount+0x49c/0x584 [ 75.529074][ T4719] invoke_syscall+0x98/0x2bc [ 75.529781][ T4719] el0_svc_common+0x138/0x258 [ 75.530509][ T4719] do_el0_svc+0x58/0x13c [ 75.531132][ T4719] el0_svc+0x58/0x138 [ 75.531703][ T4719] el0t_64_sync_handler+0x84/0xf0 [ 75.532446][ T4719] el0t_64_sync+0x18c/0x190 [ 75.533684][ T4719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.536550][ T4719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.662881][ T4721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.664034][ T4721] CPU: 1 PID: 4721 Comm: syz.1.112 Not tainted syzkaller #0 [ 75.665137][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.666531][ T4721] Call trace: [ 75.667039][ T4721] dump_backtrace+0x1c8/0x1f4 [ 75.667748][ T4721] show_stack+0x2c/0x3c [ 75.668341][ T4721] __dump_stack+0x30/0x40 [ 75.668951][ T4721] dump_stack_lvl+0xf8/0x160 [ 75.669628][ T4721] dump_stack+0x1c/0x5c [ 75.670242][ T4721] sysfs_create_dir_ns+0x22c/0x24c [ 75.671005][ T4721] kobject_add_internal+0x5a8/0xb30 [ 75.671762][ T4721] kobject_init_and_add+0x118/0x17c [ 75.672520][ T4721] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.673282][ T4721] gfs2_fill_super+0xdec/0x19ec [ 75.674059][ T4721] get_tree_bdev+0x358/0x544 [ 75.674800][ T4721] gfs2_get_tree+0x54/0x1b4 [ 75.675538][ T4721] vfs_get_tree+0x90/0x274 [ 75.676233][ T4721] do_new_mount+0x228/0x810 [ 75.676961][ T4721] path_mount+0x5b4/0xe78 [ 75.677691][ T4721] __arm64_sys_mount+0x49c/0x584 [ 75.678458][ T4721] invoke_syscall+0x98/0x2bc [ 75.679129][ T4721] el0_svc_common+0x138/0x258 [ 75.679784][ T4721] do_el0_svc+0x58/0x13c [ 75.680452][ T4721] el0_svc+0x58/0x138 [ 75.681043][ T4721] el0t_64_sync_handler+0x84/0xf0 [ 75.681800][ T4721] el0t_64_sync+0x18c/0x190 [ 75.684235][ T4721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.686212][ T4721] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.820610][ T4723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 75.821802][ T4723] CPU: 1 PID: 4723 Comm: syz.1.113 Not tainted syzkaller #0 [ 75.822987][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.824522][ T4723] Call trace: [ 75.824995][ T4723] dump_backtrace+0x1c8/0x1f4 [ 75.825667][ T4723] show_stack+0x2c/0x3c [ 75.826262][ T4723] __dump_stack+0x30/0x40 [ 75.826900][ T4723] dump_stack_lvl+0xf8/0x160 [ 75.827595][ T4723] dump_stack+0x1c/0x5c [ 75.828144][ T4723] sysfs_create_dir_ns+0x22c/0x24c [ 75.828898][ T4723] kobject_add_internal+0x5a8/0xb30 [ 75.829636][ T4723] kobject_init_and_add+0x118/0x17c [ 75.830412][ T4723] gfs2_sys_fs_add+0x1dc/0x3d8 [ 75.831086][ T4723] gfs2_fill_super+0xdec/0x19ec [ 75.831839][ T4723] get_tree_bdev+0x358/0x544 [ 75.832498][ T4723] gfs2_get_tree+0x54/0x1b4 [ 75.833179][ T4723] vfs_get_tree+0x90/0x274 [ 75.833820][ T4723] do_new_mount+0x228/0x810 [ 75.834444][ T4723] path_mount+0x5b4/0xe78 [ 75.835065][ T4723] __arm64_sys_mount+0x49c/0x584 [ 75.835806][ T4723] invoke_syscall+0x98/0x2bc [ 75.836425][ T4723] el0_svc_common+0x138/0x258 [ 75.837066][ T4723] do_el0_svc+0x58/0x13c [ 75.837722][ T4723] el0_svc+0x58/0x138 [ 75.838317][ T4723] el0t_64_sync_handler+0x84/0xf0 [ 75.839116][ T4723] el0t_64_sync+0x18c/0x190 [ 75.841080][ T4723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 75.843177][ T4723] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 75.853832][ T91] ------------[ cut here ]------------ [ 75.854777][ T91] WARNING: CPU: 1 PID: 91 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 75.856223][ T91] Modules linked in: [ 75.856812][ T91] CPU: 1 PID: 91 Comm: kworker/u4:3 Not tainted syzkaller #0 [ 75.857845][ T91] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.859421][ T91] Workqueue: writeback wb_workfn (flush-7:0) [ 75.860366][ T91] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.861564][ T91] pc : __folio_mark_dirty+0x8a0/0xce0 [ 75.862375][ T91] lr : __folio_mark_dirty+0x8a0/0xce0 [ 75.863129][ T91] sp : ffff80001dfa6fe0 [ 75.863712][ T91] x29: ffff80001dfa7000 x28: 1fffff80006a0470 x27: dfff800000000000 [ 75.864871][ T91] x26: 0000000000000000 x25: ffff0000c51c3e90 x24: 0000000000000001 [ 75.866074][ T91] x23: 0000000000000000 x22: fffffc0003502388 x21: 1fffe00018a387d2 [ 75.867224][ T91] x20: ffff0000c9e487e8 x19: fffffc0003502380 x18: ffff800011a6bd40 [ 75.868443][ T91] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 75.869675][ T91] x14: ffff0000c7958a98 x13: ffff0000c7958b60 x12: 0000000000ff0100 [ 75.870884][ T91] x11: ff008000086fe704 x10: 0000000000000000 x9 : ffff8000086fe704 [ 75.872058][ T91] x8 : ffff0000c7958000 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.873323][ T91] x5 : ffff800018359198 x4 : 0000000000000008 x3 : ffff800008a49628 [ 75.874511][ T91] x2 : ffff0000cee5a060 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.875747][ T91] Call trace: [ 75.876284][ T91] __folio_mark_dirty+0x8a0/0xce0 [ 75.876970][ T91] mark_buffer_dirty+0x2b8/0x5cc [ 75.877695][ T91] gfs2_unpin+0x120/0x914 [ 75.878361][ T91] buf_lo_after_commit+0x140/0x188 [ 75.879121][ T91] gfs2_log_flush+0xbc8/0x1aa0 [ 75.879805][ T91] gfs2_write_inode+0x184/0x34c [ 75.880484][ T91] __writeback_single_inode+0x5e0/0x157c [ 75.881311][ T91] writeback_sb_inodes+0x824/0x1404 [ 75.882083][ T91] __writeback_inodes_wb+0x110/0x394 [ 75.882886][ T91] wb_writeback+0x414/0xfb0 [ 75.883584][ T91] wb_workfn+0xa5c/0xd98 [ 75.884288][ T91] process_one_work+0x7f4/0x13a8 [ 75.884954][ T91] worker_thread+0x8c8/0xfbc [ 75.885651][ T91] kthread+0x250/0x2d8 [ 75.886243][ T91] ret_from_fork+0x10/0x20 [ 75.886876][ T91] irq event stamp: 1043632 [ 75.887531][ T91] hardirqs last enabled at (1043631): [] folio_memcg_lock+0xe8/0x1fc [ 75.888986][ T91] hardirqs last disabled at (1043632): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 75.890476][ T91] softirqs last enabled at (1043574): [] batadv_nc_purge_paths+0x2f4/0x37c [ 75.891894][ T91] softirqs last disabled at (1043572): [] batadv_nc_purge_paths+0xd0/0x37c [ 75.893385][ T91] ---[ end trace 0000000000000000 ]--- [ 75.899405][ T91] ------------[ cut here ]------------ [ 75.900355][ T91] WARNING: CPU: 1 PID: 91 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 75.901994][ T91] Modules linked in: [ 75.902633][ T91] CPU: 1 PID: 91 Comm: kworker/u4:3 Tainted: G W syzkaller #0 [ 75.903869][ T91] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.905282][ T91] Workqueue: writeback wb_workfn (flush-7:0) [ 75.906217][ T91] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.907389][ T91] pc : __folio_start_writeback+0x868/0xa68 [ 75.908288][ T91] lr : __folio_start_writeback+0x868/0xa68 [ 75.909196][ T91] sp : ffff80001dfa6bc0 [ 75.909826][ T91] x29: ffff80001dfa6ca0 x28: dfff800000000000 x27: 0000000000000000 [ 75.910973][ T91] x26: ffff700003bf4d80 x25: 0000000000000000 x24: ffff0000c9e487e8 [ 75.912134][ T91] x23: ffff80001dfa6c20 x22: ffff0000c51c3ce8 x21: 0000000000000001 [ 75.913298][ T91] x20: fffffc0003502388 x19: fffffc0003502380 x18: ffff800011a6bd40 [ 75.914434][ T91] x17: ffff800018186000 x16: ffff8000082d35d8 x15: ffff800017c67000 [ 75.915590][ T91] x14: ffff0000c7958a98 x13: ffff0000c7958b38 x12: 0000000000ff0100 [ 75.916876][ T91] x11: ff00800008700c1c x10: 0000000000000000 x9 : ffff800008700c1c [ 75.918013][ T91] x8 : ffff0000c7958000 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.919206][ T91] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000087006dc [ 75.920400][ T91] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.921624][ T91] Call trace: [ 75.922121][ T91] __folio_start_writeback+0x868/0xa68 [ 75.922962][ T91] set_page_writeback+0x5c/0x7c [ 75.923640][ T91] gfs2_aspace_writepage+0x520/0x6e8 [ 75.924486][ T91] __writepage+0x70/0x18c [ 75.925121][ T91] write_cache_pages+0x73c/0xdd4 [ 75.925910][ T91] do_writepages+0x320/0x4fc [ 75.926658][ T91] filemap_fdatawrite_wbc+0x124/0x174 [ 75.927516][ T91] filemap_fdatawrite+0xc4/0x114 [ 75.928185][ T91] gfs2_write_inode+0x234/0x34c [ 75.928896][ T91] __writeback_single_inode+0x5e0/0x157c [ 75.929716][ T91] writeback_sb_inodes+0x824/0x1404 [ 75.930504][ T91] __writeback_inodes_wb+0x110/0x394 [ 75.931323][ T91] wb_writeback+0x414/0xfb0 [ 75.932013][ T91] wb_workfn+0xa5c/0xd98 [ 75.932660][ T91] process_one_work+0x7f4/0x13a8 [ 75.933426][ T91] worker_thread+0x8c8/0xfbc [ 75.934131][ T91] kthread+0x250/0x2d8 [ 75.934789][ T91] ret_from_fork+0x10/0x20 [ 75.935476][ T91] irq event stamp: 1043876 [ 75.936129][ T91] hardirqs last enabled at (1043875): [] folio_memcg_lock+0xe8/0x1fc [ 75.937557][ T91] hardirqs last disabled at (1043876): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 75.939154][ T91] softirqs last enabled at (1043846): [] handle_softirqs+0xaf8/0xc6c [ 75.940522][ T91] softirqs last disabled at (1043635): [] __do_softirq+0x14/0x20 [ 75.941929][ T91] ---[ end trace 0000000000000000 ]--- [ 75.946731][ C0] ------------[ cut here ]------------ [ 75.947653][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 75.949145][ C0] Modules linked in: [ 75.949705][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 75.950928][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 75.952483][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 75.953622][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 75.954404][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 75.955217][ C0] sp : ffff80001c857960 [ 75.955983][ C0] x29: ffff80001c857980 x28: dfff800000000000 x27: ffff0000c51c3ce8 [ 75.957282][ C0] x26: 0000000000000000 x25: 05ffd600000020d2 x24: 1fffff80006a0470 [ 75.958573][ C0] x23: 0000000000000001 x22: ffff0000c9e487e8 x21: ffff0000c9e487f0 [ 75.959908][ C0] x20: 0000000000000001 x19: fffffc0003502380 x18: ffff800011a6bd40 [ 75.961182][ C0] x17: 1fffe00033ee777e x16: ffff8000082d35d8 x15: 0000000000000000 [ 75.962396][ C0] x14: 0000000000000002 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100 [ 75.963583][ C0] x11: ff008000087001a8 x10: 0000000000000000 x9 : ffff8000087001a8 [ 75.964766][ C0] x8 : ffff0000c09b3780 x7 : 0000000000000000 x6 : 0000000000000000 [ 75.965971][ C0] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 75.967176][ C0] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 75.968300][ C0] Call trace: [ 75.968736][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 75.969569][ C0] folio_end_writeback+0x12c/0x41c [ 75.970325][ C0] end_page_writeback+0x58/0x74 [ 75.971086][ C0] end_buffer_async_write+0x32c/0x508 [ 75.971861][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 75.972601][ C0] bio_endio+0x770/0x7b4 [ 75.973192][ C0] blk_update_request+0x49c/0xbec [ 75.973868][ C0] blk_mq_end_request+0x54/0x88 [ 75.974596][ C0] lo_complete_rq+0x1ec/0x250 [ 75.975255][ C0] blk_done_softirq+0x11c/0x168 [ 75.975984][ C0] handle_softirqs+0x318/0xc6c [ 75.976691][ C0] run_ksoftirqd+0x7c/0x2b0 [ 75.977375][ C0] smpboot_thread_fn+0x4b0/0x964 [ 75.978099][ C0] kthread+0x250/0x2d8 [ 75.978697][ C0] ret_from_fork+0x10/0x20 [ 75.979400][ C0] irq event stamp: 608917 [ 75.980031][ C0] hardirqs last enabled at (608916): [] folio_memcg_lock+0xe8/0x1fc [ 75.981406][ C0] hardirqs last disabled at (608917): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 75.982885][ C0] softirqs last enabled at (608906): [] handle_softirqs+0xaf8/0xc6c [ 75.984264][ C0] softirqs last disabled at (608911): [] run_ksoftirqd+0x7c/0x2b0 [ 75.985596][ C0] ---[ end trace 0000000000000000 ]--- [ 76.040109][ T4725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.041262][ T4725] CPU: 1 PID: 4725 Comm: syz.1.114 Tainted: G W syzkaller #0 [ 76.042717][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.044357][ T4725] Call trace: [ 76.044825][ T4725] dump_backtrace+0x1c8/0x1f4 [ 76.045509][ T4725] show_stack+0x2c/0x3c [ 76.046168][ T4725] __dump_stack+0x30/0x40 [ 76.046879][ T4725] dump_stack_lvl+0xf8/0x160 [ 76.047579][ T4725] dump_stack+0x1c/0x5c [ 76.048255][ T4725] sysfs_create_dir_ns+0x22c/0x24c [ 76.049051][ T4725] kobject_add_internal+0x5a8/0xb30 [ 76.049823][ T4725] kobject_init_and_add+0x118/0x17c [ 76.050629][ T4725] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.051346][ T4725] gfs2_fill_super+0xdec/0x19ec [ 76.052080][ T4725] get_tree_bdev+0x358/0x544 [ 76.052737][ T4725] gfs2_get_tree+0x54/0x1b4 [ 76.053431][ T4725] vfs_get_tree+0x90/0x274 [ 76.054090][ T4725] do_new_mount+0x228/0x810 [ 76.054768][ T4725] path_mount+0x5b4/0xe78 [ 76.055470][ T4725] __arm64_sys_mount+0x49c/0x584 [ 76.056197][ T4725] invoke_syscall+0x98/0x2bc [ 76.056944][ T4725] el0_svc_common+0x138/0x258 [ 76.057612][ T4725] do_el0_svc+0x58/0x13c [ 76.058229][ T4725] el0_svc+0x58/0x138 [ 76.058774][ T4725] el0t_64_sync_handler+0x84/0xf0 [ 76.059545][ T4725] el0t_64_sync+0x18c/0x190 [ 76.060838][ T4725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.062843][ T4725] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.201845][ T4728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.202999][ T4728] CPU: 1 PID: 4728 Comm: syz.1.115 Tainted: G W syzkaller #0 [ 76.204335][ T4728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.205837][ T4728] Call trace: [ 76.206287][ T4728] dump_backtrace+0x1c8/0x1f4 [ 76.206969][ T4728] show_stack+0x2c/0x3c [ 76.207638][ T4728] __dump_stack+0x30/0x40 [ 76.208220][ T4728] dump_stack_lvl+0xf8/0x160 [ 76.208915][ T4728] dump_stack+0x1c/0x5c [ 76.209568][ T4728] sysfs_create_dir_ns+0x22c/0x24c [ 76.210366][ T4728] kobject_add_internal+0x5a8/0xb30 [ 76.211127][ T4728] kobject_init_and_add+0x118/0x17c [ 76.211894][ T4728] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.212606][ T4728] gfs2_fill_super+0xdec/0x19ec [ 76.213316][ T4728] get_tree_bdev+0x358/0x544 [ 76.213973][ T4728] gfs2_get_tree+0x54/0x1b4 [ 76.214674][ T4728] vfs_get_tree+0x90/0x274 [ 76.215339][ T4728] do_new_mount+0x228/0x810 [ 76.216002][ T4728] path_mount+0x5b4/0xe78 [ 76.216667][ T4728] __arm64_sys_mount+0x49c/0x584 [ 76.217403][ T4728] invoke_syscall+0x98/0x2bc [ 76.218086][ T4728] el0_svc_common+0x138/0x258 [ 76.218845][ T4728] do_el0_svc+0x58/0x13c [ 76.219515][ T4728] el0_svc+0x58/0x138 [ 76.220177][ T4728] el0t_64_sync_handler+0x84/0xf0 [ 76.220963][ T4728] el0t_64_sync+0x18c/0x190 [ 76.224531][ T4728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.226445][ T4728] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.352207][ T4730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.353401][ T4730] CPU: 0 PID: 4730 Comm: syz.1.116 Tainted: G W syzkaller #0 [ 76.354709][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.356147][ T4730] Call trace: [ 76.356612][ T4730] dump_backtrace+0x1c8/0x1f4 [ 76.357332][ T4730] show_stack+0x2c/0x3c [ 76.357934][ T4730] __dump_stack+0x30/0x40 [ 76.358564][ T4730] dump_stack_lvl+0xf8/0x160 [ 76.359213][ T4730] dump_stack+0x1c/0x5c [ 76.359837][ T4730] sysfs_create_dir_ns+0x22c/0x24c [ 76.360631][ T4730] kobject_add_internal+0x5a8/0xb30 [ 76.361366][ T4730] kobject_init_and_add+0x118/0x17c [ 76.362190][ T4730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.362993][ T4730] gfs2_fill_super+0xdec/0x19ec [ 76.363755][ T4730] get_tree_bdev+0x358/0x544 [ 76.364427][ T4730] gfs2_get_tree+0x54/0x1b4 [ 76.365053][ T4730] vfs_get_tree+0x90/0x274 [ 76.365703][ T4730] do_new_mount+0x228/0x810 [ 76.366321][ T4730] path_mount+0x5b4/0xe78 [ 76.366911][ T4730] __arm64_sys_mount+0x49c/0x584 [ 76.367572][ T4730] invoke_syscall+0x98/0x2bc [ 76.368249][ T4730] el0_svc_common+0x138/0x258 [ 76.368952][ T4730] do_el0_svc+0x58/0x13c [ 76.369632][ T4730] el0_svc+0x58/0x138 [ 76.370233][ T4730] el0t_64_sync_handler+0x84/0xf0 [ 76.370953][ T4730] el0t_64_sync+0x18c/0x190 [ 76.371815][ T4730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.373819][ T4730] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.491328][ T4732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.492605][ T4732] CPU: 1 PID: 4732 Comm: syz.1.117 Tainted: G W syzkaller #0 [ 76.493984][ T4732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.495573][ T4732] Call trace: [ 76.496061][ T4732] dump_backtrace+0x1c8/0x1f4 [ 76.496806][ T4732] show_stack+0x2c/0x3c [ 76.497413][ T4732] __dump_stack+0x30/0x40 [ 76.498085][ T4732] dump_stack_lvl+0xf8/0x160 [ 76.498803][ T4732] dump_stack+0x1c/0x5c [ 76.499469][ T4732] sysfs_create_dir_ns+0x22c/0x24c [ 76.500225][ T4732] kobject_add_internal+0x5a8/0xb30 [ 76.501006][ T4732] kobject_init_and_add+0x118/0x17c [ 76.501868][ T4732] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.502572][ T4732] gfs2_fill_super+0xdec/0x19ec [ 76.503292][ T4732] get_tree_bdev+0x358/0x544 [ 76.503950][ T4732] gfs2_get_tree+0x54/0x1b4 [ 76.504669][ T4732] vfs_get_tree+0x90/0x274 [ 76.505370][ T4732] do_new_mount+0x228/0x810 [ 76.506084][ T4732] path_mount+0x5b4/0xe78 [ 76.506773][ T4732] __arm64_sys_mount+0x49c/0x584 [ 76.507465][ T4732] invoke_syscall+0x98/0x2bc [ 76.508126][ T4732] el0_svc_common+0x138/0x258 [ 76.508813][ T4732] do_el0_svc+0x58/0x13c [ 76.509431][ T4732] el0_svc+0x58/0x138 [ 76.510019][ T4732] el0t_64_sync_handler+0x84/0xf0 [ 76.510759][ T4732] el0t_64_sync+0x18c/0x190 [ 76.512867][ T4732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.515060][ T4732] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.658926][ T4734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.660072][ T4734] CPU: 0 PID: 4734 Comm: syz.1.118 Tainted: G W syzkaller #0 [ 76.661470][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.662931][ T4734] Call trace: [ 76.663442][ T4734] dump_backtrace+0x1c8/0x1f4 [ 76.664106][ T4734] show_stack+0x2c/0x3c [ 76.664689][ T4734] __dump_stack+0x30/0x40 [ 76.665326][ T4734] dump_stack_lvl+0xf8/0x160 [ 76.666080][ T4734] dump_stack+0x1c/0x5c [ 76.666727][ T4734] sysfs_create_dir_ns+0x22c/0x24c [ 76.667420][ T4734] kobject_add_internal+0x5a8/0xb30 [ 76.668166][ T4734] kobject_init_and_add+0x118/0x17c [ 76.668912][ T4734] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.669637][ T4734] gfs2_fill_super+0xdec/0x19ec [ 76.670328][ T4734] get_tree_bdev+0x358/0x544 [ 76.671049][ T4734] gfs2_get_tree+0x54/0x1b4 [ 76.671706][ T4734] vfs_get_tree+0x90/0x274 [ 76.672313][ T4734] do_new_mount+0x228/0x810 [ 76.672941][ T4734] path_mount+0x5b4/0xe78 [ 76.673571][ T4734] __arm64_sys_mount+0x49c/0x584 [ 76.674324][ T4734] invoke_syscall+0x98/0x2bc [ 76.675009][ T4734] el0_svc_common+0x138/0x258 [ 76.675737][ T4734] do_el0_svc+0x58/0x13c [ 76.676357][ T4734] el0_svc+0x58/0x138 [ 76.676882][ T4734] el0t_64_sync_handler+0x84/0xf0 [ 76.677640][ T4734] el0t_64_sync+0x18c/0x190 [ 76.680979][ T4734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.683272][ T4734] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 76.807983][ T4736] set_capacity_and_notify: 23 callbacks suppressed [ 76.807994][ T4736] loop1: detected capacity change from 0 to 32768 [ 76.815296][ T4736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.816657][ T4736] CPU: 0 PID: 4736 Comm: syz.1.119 Tainted: G W syzkaller #0 [ 76.817986][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.819455][ T4736] Call trace: [ 76.819936][ T4736] dump_backtrace+0x1c8/0x1f4 [ 76.820694][ T4736] show_stack+0x2c/0x3c [ 76.821331][ T4736] __dump_stack+0x30/0x40 [ 76.821959][ T4736] dump_stack_lvl+0xf8/0x160 [ 76.822654][ T4736] dump_stack+0x1c/0x5c [ 76.823313][ T4736] sysfs_create_dir_ns+0x22c/0x24c [ 76.824033][ T4736] kobject_add_internal+0x5a8/0xb30 [ 76.824819][ T4736] kobject_init_and_add+0x118/0x17c [ 76.825571][ T4736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.826311][ T4736] gfs2_fill_super+0xdec/0x19ec [ 76.827118][ T4736] get_tree_bdev+0x358/0x544 [ 76.827799][ T4736] gfs2_get_tree+0x54/0x1b4 [ 76.828494][ T4736] vfs_get_tree+0x90/0x274 [ 76.829216][ T4736] do_new_mount+0x228/0x810 [ 76.829922][ T4736] path_mount+0x5b4/0xe78 [ 76.830531][ T4736] __arm64_sys_mount+0x49c/0x584 [ 76.831287][ T4736] invoke_syscall+0x98/0x2bc [ 76.831968][ T4736] el0_svc_common+0x138/0x258 [ 76.832673][ T4736] do_el0_svc+0x58/0x13c [ 76.833252][ T4736] el0_svc+0x58/0x138 [ 76.833960][ T4736] el0t_64_sync_handler+0x84/0xf0 [ 76.834673][ T4736] el0t_64_sync+0x18c/0x190 [ 76.835612][ T4736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.837435][ T4736] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:16 executed programs: 105 [ 76.954638][ T4738] loop1: detected capacity change from 0 to 32768 [ 76.958889][ T4738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 76.960170][ T4738] CPU: 1 PID: 4738 Comm: syz.1.120 Tainted: G W syzkaller #0 [ 76.961555][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 76.963080][ T4738] Call trace: [ 76.963570][ T4738] dump_backtrace+0x1c8/0x1f4 [ 76.964299][ T4738] show_stack+0x2c/0x3c [ 76.964891][ T4738] __dump_stack+0x30/0x40 [ 76.965597][ T4738] dump_stack_lvl+0xf8/0x160 [ 76.966315][ T4738] dump_stack+0x1c/0x5c [ 76.966930][ T4738] sysfs_create_dir_ns+0x22c/0x24c [ 76.967699][ T4738] kobject_add_internal+0x5a8/0xb30 [ 76.968427][ T4738] kobject_init_and_add+0x118/0x17c [ 76.969243][ T4738] gfs2_sys_fs_add+0x1dc/0x3d8 [ 76.969995][ T4738] gfs2_fill_super+0xdec/0x19ec [ 76.970704][ T4738] get_tree_bdev+0x358/0x544 [ 76.971375][ T4738] gfs2_get_tree+0x54/0x1b4 [ 76.972084][ T4738] vfs_get_tree+0x90/0x274 [ 76.972731][ T4738] do_new_mount+0x228/0x810 [ 76.973400][ T4738] path_mount+0x5b4/0xe78 [ 76.974049][ T4738] __arm64_sys_mount+0x49c/0x584 [ 76.974821][ T4738] invoke_syscall+0x98/0x2bc [ 76.975531][ T4738] el0_svc_common+0x138/0x258 [ 76.976212][ T4738] do_el0_svc+0x58/0x13c [ 76.976848][ T4738] el0_svc+0x58/0x138 [ 76.977457][ T4738] el0t_64_sync_handler+0x84/0xf0 [ 76.978157][ T4738] el0t_64_sync+0x18c/0x190 [ 76.980487][ T4738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 76.982644][ T4738] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.107884][ T4740] loop1: detected capacity change from 0 to 32768 [ 77.109796][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.110928][ T4740] CPU: 1 PID: 4740 Comm: syz.1.121 Tainted: G W syzkaller #0 [ 77.112293][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.113772][ T4740] Call trace: [ 77.114221][ T4740] dump_backtrace+0x1c8/0x1f4 [ 77.114919][ T4740] show_stack+0x2c/0x3c [ 77.115527][ T4740] __dump_stack+0x30/0x40 [ 77.116111][ T4740] dump_stack_lvl+0xf8/0x160 [ 77.116729][ T4740] dump_stack+0x1c/0x5c [ 77.117326][ T4740] sysfs_create_dir_ns+0x22c/0x24c [ 77.118044][ T4740] kobject_add_internal+0x5a8/0xb30 [ 77.118775][ T4740] kobject_init_and_add+0x118/0x17c [ 77.119593][ T4740] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.120280][ T4740] gfs2_fill_super+0xdec/0x19ec [ 77.120951][ T4740] get_tree_bdev+0x358/0x544 [ 77.121672][ T4740] gfs2_get_tree+0x54/0x1b4 [ 77.122342][ T4740] vfs_get_tree+0x90/0x274 [ 77.122942][ T4740] do_new_mount+0x228/0x810 [ 77.123725][ T4740] path_mount+0x5b4/0xe78 [ 77.124412][ T4740] __arm64_sys_mount+0x49c/0x584 [ 77.125251][ T4740] invoke_syscall+0x98/0x2bc [ 77.126004][ T4740] el0_svc_common+0x138/0x258 [ 77.126732][ T4740] do_el0_svc+0x58/0x13c [ 77.127332][ T4740] el0_svc+0x58/0x138 [ 77.127972][ T4740] el0t_64_sync_handler+0x84/0xf0 [ 77.128681][ T4740] el0t_64_sync+0x18c/0x190 [ 77.130895][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.132822][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.263725][ T4742] loop1: detected capacity change from 0 to 32768 [ 77.265379][ T4742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.266428][ T4742] CPU: 0 PID: 4742 Comm: syz.1.122 Tainted: G W syzkaller #0 [ 77.267707][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.269179][ T4742] Call trace: [ 77.269678][ T4742] dump_backtrace+0x1c8/0x1f4 [ 77.270385][ T4742] show_stack+0x2c/0x3c [ 77.271055][ T4742] __dump_stack+0x30/0x40 [ 77.271665][ T4742] dump_stack_lvl+0xf8/0x160 [ 77.272344][ T4742] dump_stack+0x1c/0x5c [ 77.272950][ T4742] sysfs_create_dir_ns+0x22c/0x24c [ 77.273697][ T4742] kobject_add_internal+0x5a8/0xb30 [ 77.274386][ T4742] kobject_init_and_add+0x118/0x17c [ 77.275119][ T4742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.275802][ T4742] gfs2_fill_super+0xdec/0x19ec [ 77.276494][ T4742] get_tree_bdev+0x358/0x544 [ 77.277199][ T4742] gfs2_get_tree+0x54/0x1b4 [ 77.277844][ T4742] vfs_get_tree+0x90/0x274 [ 77.278464][ T4742] do_new_mount+0x228/0x810 [ 77.279144][ T4742] path_mount+0x5b4/0xe78 [ 77.279752][ T4742] __arm64_sys_mount+0x49c/0x584 [ 77.280507][ T4742] invoke_syscall+0x98/0x2bc [ 77.281266][ T4742] el0_svc_common+0x138/0x258 [ 77.281982][ T4742] do_el0_svc+0x58/0x13c [ 77.282603][ T4742] el0_svc+0x58/0x138 [ 77.283181][ T4742] el0t_64_sync_handler+0x84/0xf0 [ 77.283906][ T4742] el0t_64_sync+0x18c/0x190 [ 77.285172][ T4742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.286903][ T4742] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.406374][ T4745] loop1: detected capacity change from 0 to 32768 [ 77.408205][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.409437][ T4745] CPU: 1 PID: 4745 Comm: syz.1.123 Tainted: G W syzkaller #0 [ 77.410852][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.412470][ T4745] Call trace: [ 77.412991][ T4745] dump_backtrace+0x1c8/0x1f4 [ 77.413737][ T4745] show_stack+0x2c/0x3c [ 77.414414][ T4745] __dump_stack+0x30/0x40 [ 77.415083][ T4745] dump_stack_lvl+0xf8/0x160 [ 77.415747][ T4745] dump_stack+0x1c/0x5c [ 77.416342][ T4745] sysfs_create_dir_ns+0x22c/0x24c [ 77.417123][ T4745] kobject_add_internal+0x5a8/0xb30 [ 77.417941][ T4745] kobject_init_and_add+0x118/0x17c [ 77.418683][ T4745] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.419414][ T4745] gfs2_fill_super+0xdec/0x19ec [ 77.420136][ T4745] get_tree_bdev+0x358/0x544 [ 77.420777][ T4745] gfs2_get_tree+0x54/0x1b4 [ 77.421491][ T4745] vfs_get_tree+0x90/0x274 [ 77.422132][ T4745] do_new_mount+0x228/0x810 [ 77.422802][ T4745] path_mount+0x5b4/0xe78 [ 77.423455][ T4745] __arm64_sys_mount+0x49c/0x584 [ 77.424209][ T4745] invoke_syscall+0x98/0x2bc [ 77.424872][ T4745] el0_svc_common+0x138/0x258 [ 77.425575][ T4745] do_el0_svc+0x58/0x13c [ 77.426235][ T4745] el0_svc+0x58/0x138 [ 77.426835][ T4745] el0t_64_sync_handler+0x84/0xf0 [ 77.427528][ T4745] el0t_64_sync+0x18c/0x190 [ 77.428520][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.430536][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.550061][ T4747] loop1: detected capacity change from 0 to 32768 [ 77.551837][ T4747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.552997][ T4747] CPU: 0 PID: 4747 Comm: syz.1.124 Tainted: G W syzkaller #0 [ 77.554370][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.555872][ T4747] Call trace: [ 77.556308][ T4747] dump_backtrace+0x1c8/0x1f4 [ 77.556957][ T4747] show_stack+0x2c/0x3c [ 77.557584][ T4747] __dump_stack+0x30/0x40 [ 77.558284][ T4747] dump_stack_lvl+0xf8/0x160 [ 77.558988][ T4747] dump_stack+0x1c/0x5c [ 77.559613][ T4747] sysfs_create_dir_ns+0x22c/0x24c [ 77.560357][ T4747] kobject_add_internal+0x5a8/0xb30 [ 77.561111][ T4747] kobject_init_and_add+0x118/0x17c [ 77.561849][ T4747] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.562573][ T4747] gfs2_fill_super+0xdec/0x19ec [ 77.563275][ T4747] get_tree_bdev+0x358/0x544 [ 77.563899][ T4747] gfs2_get_tree+0x54/0x1b4 [ 77.564575][ T4747] vfs_get_tree+0x90/0x274 [ 77.565268][ T4747] do_new_mount+0x228/0x810 [ 77.565921][ T4747] path_mount+0x5b4/0xe78 [ 77.566546][ T4747] __arm64_sys_mount+0x49c/0x584 [ 77.567287][ T4747] invoke_syscall+0x98/0x2bc [ 77.568027][ T4747] el0_svc_common+0x138/0x258 [ 77.568768][ T4747] do_el0_svc+0x58/0x13c [ 77.569424][ T4747] el0_svc+0x58/0x138 [ 77.570040][ T4747] el0t_64_sync_handler+0x84/0xf0 [ 77.570825][ T4747] el0t_64_sync+0x18c/0x190 [ 77.571731][ T4747] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.573645][ T4747] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.691748][ T4749] loop1: detected capacity change from 0 to 32768 [ 77.697799][ T4749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.699386][ T4749] CPU: 1 PID: 4749 Comm: syz.1.125 Tainted: G W syzkaller #0 [ 77.700726][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.702341][ T4749] Call trace: [ 77.702827][ T4749] dump_backtrace+0x1c8/0x1f4 [ 77.703519][ T4749] show_stack+0x2c/0x3c [ 77.704133][ T4749] __dump_stack+0x30/0x40 [ 77.704803][ T4749] dump_stack_lvl+0xf8/0x160 [ 77.705475][ T4749] dump_stack+0x1c/0x5c [ 77.706200][ T4749] sysfs_create_dir_ns+0x22c/0x24c [ 77.706953][ T4749] kobject_add_internal+0x5a8/0xb30 [ 77.707709][ T4749] kobject_init_and_add+0x118/0x17c [ 77.708534][ T4749] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.709335][ T4749] gfs2_fill_super+0xdec/0x19ec [ 77.710052][ T4749] get_tree_bdev+0x358/0x544 [ 77.710751][ T4749] gfs2_get_tree+0x54/0x1b4 [ 77.711387][ T4749] vfs_get_tree+0x90/0x274 [ 77.712115][ T4749] do_new_mount+0x228/0x810 [ 77.712827][ T4749] path_mount+0x5b4/0xe78 [ 77.713501][ T4749] __arm64_sys_mount+0x49c/0x584 [ 77.714232][ T4749] invoke_syscall+0x98/0x2bc [ 77.714925][ T4749] el0_svc_common+0x138/0x258 [ 77.715581][ T4749] do_el0_svc+0x58/0x13c [ 77.716149][ T4749] el0_svc+0x58/0x138 [ 77.716730][ T4749] el0t_64_sync_handler+0x84/0xf0 [ 77.717472][ T4749] el0t_64_sync+0x18c/0x190 [ 77.719369][ T4749] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.721531][ T4749] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.843767][ T4751] loop1: detected capacity change from 0 to 32768 [ 77.845500][ T4751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.846651][ T4751] CPU: 0 PID: 4751 Comm: syz.1.126 Tainted: G W syzkaller #0 [ 77.847995][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 77.849479][ T4751] Call trace: [ 77.849982][ T4751] dump_backtrace+0x1c8/0x1f4 [ 77.850674][ T4751] show_stack+0x2c/0x3c [ 77.851301][ T4751] __dump_stack+0x30/0x40 [ 77.851950][ T4751] dump_stack_lvl+0xf8/0x160 [ 77.852630][ T4751] dump_stack+0x1c/0x5c [ 77.853211][ T4751] sysfs_create_dir_ns+0x22c/0x24c [ 77.854076][ T4751] kobject_add_internal+0x5a8/0xb30 [ 77.854978][ T4751] kobject_init_and_add+0x118/0x17c [ 77.855848][ T4751] gfs2_sys_fs_add+0x1dc/0x3d8 [ 77.856617][ T4751] gfs2_fill_super+0xdec/0x19ec [ 77.857406][ T4751] get_tree_bdev+0x358/0x544 [ 77.858167][ T4751] gfs2_get_tree+0x54/0x1b4 [ 77.858865][ T4751] vfs_get_tree+0x90/0x274 [ 77.859540][ T4751] do_new_mount+0x228/0x810 [ 77.860211][ T4751] path_mount+0x5b4/0xe78 [ 77.860913][ T4751] __arm64_sys_mount+0x49c/0x584 [ 77.861635][ T4751] invoke_syscall+0x98/0x2bc [ 77.862280][ T4751] el0_svc_common+0x138/0x258 [ 77.862953][ T4751] do_el0_svc+0x58/0x13c [ 77.863523][ T4751] el0_svc+0x58/0x138 [ 77.864131][ T4751] el0t_64_sync_handler+0x84/0xf0 [ 77.864854][ T4751] el0t_64_sync+0x18c/0x190 [ 77.865780][ T4751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 77.867694][ T4751] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 77.987620][ T4753] loop1: detected capacity change from 0 to 32768 [ 77.997708][ T4753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 77.998924][ T4753] CPU: 0 PID: 4753 Comm: syz.1.127 Tainted: G W syzkaller #0 [ 78.000145][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.001548][ T4753] Call trace: [ 78.001983][ T4753] dump_backtrace+0x1c8/0x1f4 [ 78.002646][ T4753] show_stack+0x2c/0x3c [ 78.003174][ T4753] __dump_stack+0x30/0x40 [ 78.003797][ T4753] dump_stack_lvl+0xf8/0x160 [ 78.004498][ T4753] dump_stack+0x1c/0x5c [ 78.005107][ T4753] sysfs_create_dir_ns+0x22c/0x24c [ 78.005832][ T4753] kobject_add_internal+0x5a8/0xb30 [ 78.006595][ T4753] kobject_init_and_add+0x118/0x17c [ 78.007416][ T4753] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.008088][ T4753] gfs2_fill_super+0xdec/0x19ec [ 78.008754][ T4753] get_tree_bdev+0x358/0x544 [ 78.009411][ T4753] gfs2_get_tree+0x54/0x1b4 [ 78.010049][ T4753] vfs_get_tree+0x90/0x274 [ 78.010688][ T4753] do_new_mount+0x228/0x810 [ 78.011352][ T4753] path_mount+0x5b4/0xe78 [ 78.011958][ T4753] __arm64_sys_mount+0x49c/0x584 [ 78.012681][ T4753] invoke_syscall+0x98/0x2bc [ 78.013280][ T4753] el0_svc_common+0x138/0x258 [ 78.013933][ T4753] do_el0_svc+0x58/0x13c [ 78.014655][ T4753] el0_svc+0x58/0x138 [ 78.015289][ T4753] el0t_64_sync_handler+0x84/0xf0 [ 78.015998][ T4753] el0t_64_sync+0x18c/0x190 [ 78.017758][ T4753] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.020100][ T4753] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.148284][ T4755] loop1: detected capacity change from 0 to 32768 [ 78.154425][ T4755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.155618][ T4755] CPU: 0 PID: 4755 Comm: syz.1.128 Tainted: G W syzkaller #0 [ 78.156938][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.158394][ T4755] Call trace: [ 78.158953][ T4755] dump_backtrace+0x1c8/0x1f4 [ 78.159666][ T4755] show_stack+0x2c/0x3c [ 78.160377][ T4755] __dump_stack+0x30/0x40 [ 78.161052][ T4755] dump_stack_lvl+0xf8/0x160 [ 78.161783][ T4755] dump_stack+0x1c/0x5c [ 78.162404][ T4755] sysfs_create_dir_ns+0x22c/0x24c [ 78.163095][ T4755] kobject_add_internal+0x5a8/0xb30 [ 78.163929][ T4755] kobject_init_and_add+0x118/0x17c [ 78.164915][ T4755] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.165676][ T4755] gfs2_fill_super+0xdec/0x19ec [ 78.166386][ T4755] get_tree_bdev+0x358/0x544 [ 78.167016][ T4755] gfs2_get_tree+0x54/0x1b4 [ 78.167728][ T4755] vfs_get_tree+0x90/0x274 [ 78.168423][ T4755] do_new_mount+0x228/0x810 [ 78.169113][ T4755] path_mount+0x5b4/0xe78 [ 78.169750][ T4755] __arm64_sys_mount+0x49c/0x584 [ 78.170511][ T4755] invoke_syscall+0x98/0x2bc [ 78.171165][ T4755] el0_svc_common+0x138/0x258 [ 78.171827][ T4755] do_el0_svc+0x58/0x13c [ 78.172428][ T4755] el0_svc+0x58/0x138 [ 78.173081][ T4755] el0t_64_sync_handler+0x84/0xf0 [ 78.173857][ T4755] el0t_64_sync+0x18c/0x190 [ 78.174717][ T4755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.176646][ T4755] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.301213][ T4757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.302398][ T4757] CPU: 0 PID: 4757 Comm: syz.1.129 Tainted: G W syzkaller #0 [ 78.303750][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.305191][ T4757] Call trace: [ 78.305665][ T4757] dump_backtrace+0x1c8/0x1f4 [ 78.306387][ T4757] show_stack+0x2c/0x3c [ 78.306992][ T4757] __dump_stack+0x30/0x40 [ 78.307611][ T4757] dump_stack_lvl+0xf8/0x160 [ 78.308353][ T4757] dump_stack+0x1c/0x5c [ 78.309023][ T4757] sysfs_create_dir_ns+0x22c/0x24c [ 78.309828][ T4757] kobject_add_internal+0x5a8/0xb30 [ 78.310600][ T4757] kobject_init_and_add+0x118/0x17c [ 78.311392][ T4757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.312082][ T4757] gfs2_fill_super+0xdec/0x19ec [ 78.312809][ T4757] get_tree_bdev+0x358/0x544 [ 78.313490][ T4757] gfs2_get_tree+0x54/0x1b4 [ 78.314167][ T4757] vfs_get_tree+0x90/0x274 [ 78.314851][ T4757] do_new_mount+0x228/0x810 [ 78.315487][ T4757] path_mount+0x5b4/0xe78 [ 78.316101][ T4757] __arm64_sys_mount+0x49c/0x584 [ 78.316781][ T4757] invoke_syscall+0x98/0x2bc [ 78.317453][ T4757] el0_svc_common+0x138/0x258 [ 78.318086][ T4757] do_el0_svc+0x58/0x13c [ 78.318772][ T4757] el0_svc+0x58/0x138 [ 78.319277][ T4757] el0t_64_sync_handler+0x84/0xf0 [ 78.319907][ T4757] el0t_64_sync+0x18c/0x190 [ 78.320649][ T4757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.322535][ T4757] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.451977][ T4759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.453171][ T4759] CPU: 0 PID: 4759 Comm: syz.1.130 Tainted: G W syzkaller #0 [ 78.454415][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.455862][ T4759] Call trace: [ 78.456348][ T4759] dump_backtrace+0x1c8/0x1f4 [ 78.457076][ T4759] show_stack+0x2c/0x3c [ 78.457688][ T4759] __dump_stack+0x30/0x40 [ 78.458326][ T4759] dump_stack_lvl+0xf8/0x160 [ 78.459056][ T4759] dump_stack+0x1c/0x5c [ 78.459717][ T4759] sysfs_create_dir_ns+0x22c/0x24c [ 78.460433][ T4759] kobject_add_internal+0x5a8/0xb30 [ 78.461335][ T4759] kobject_init_and_add+0x118/0x17c [ 78.462117][ T4759] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.462784][ T4759] gfs2_fill_super+0xdec/0x19ec [ 78.463507][ T4759] get_tree_bdev+0x358/0x544 [ 78.464126][ T4759] gfs2_get_tree+0x54/0x1b4 [ 78.464901][ T4759] vfs_get_tree+0x90/0x274 [ 78.465546][ T4759] do_new_mount+0x228/0x810 [ 78.466205][ T4759] path_mount+0x5b4/0xe78 [ 78.466807][ T4759] __arm64_sys_mount+0x49c/0x584 [ 78.467500][ T4759] invoke_syscall+0x98/0x2bc [ 78.468168][ T4759] el0_svc_common+0x138/0x258 [ 78.468792][ T4759] do_el0_svc+0x58/0x13c [ 78.469404][ T4759] el0_svc+0x58/0x138 [ 78.469961][ T4759] el0t_64_sync_handler+0x84/0xf0 [ 78.470635][ T4759] el0t_64_sync+0x18c/0x190 [ 78.471446][ T4759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.473777][ T4759] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.597539][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.598943][ T4761] CPU: 1 PID: 4761 Comm: syz.1.131 Tainted: G W syzkaller #0 [ 78.600228][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.601860][ T4761] Call trace: [ 78.602413][ T4761] dump_backtrace+0x1c8/0x1f4 [ 78.603157][ T4761] show_stack+0x2c/0x3c [ 78.603751][ T4761] __dump_stack+0x30/0x40 [ 78.604442][ T4761] dump_stack_lvl+0xf8/0x160 [ 78.605161][ T4761] dump_stack+0x1c/0x5c [ 78.605742][ T4761] sysfs_create_dir_ns+0x22c/0x24c [ 78.606510][ T4761] kobject_add_internal+0x5a8/0xb30 [ 78.607244][ T4761] kobject_init_and_add+0x118/0x17c [ 78.607975][ T4761] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.608597][ T4761] gfs2_fill_super+0xdec/0x19ec [ 78.609311][ T4761] get_tree_bdev+0x358/0x544 [ 78.609963][ T4761] gfs2_get_tree+0x54/0x1b4 [ 78.610642][ T4761] vfs_get_tree+0x90/0x274 [ 78.611280][ T4761] do_new_mount+0x228/0x810 [ 78.611906][ T4761] path_mount+0x5b4/0xe78 [ 78.612585][ T4761] __arm64_sys_mount+0x49c/0x584 [ 78.613466][ T4761] invoke_syscall+0x98/0x2bc [ 78.614186][ T4761] el0_svc_common+0x138/0x258 [ 78.614911][ T4761] do_el0_svc+0x58/0x13c [ 78.615537][ T4761] el0_svc+0x58/0x138 [ 78.616109][ T4761] el0t_64_sync_handler+0x84/0xf0 [ 78.616777][ T4761] el0t_64_sync+0x18c/0x190 [ 78.619296][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.621809][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.745919][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.747030][ T4763] CPU: 0 PID: 4763 Comm: syz.1.132 Tainted: G W syzkaller #0 [ 78.748396][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.750004][ T4763] Call trace: [ 78.750538][ T4763] dump_backtrace+0x1c8/0x1f4 [ 78.751303][ T4763] show_stack+0x2c/0x3c [ 78.751961][ T4763] __dump_stack+0x30/0x40 [ 78.752631][ T4763] dump_stack_lvl+0xf8/0x160 [ 78.753903][ T4763] dump_stack+0x1c/0x5c [ 78.754549][ T4763] sysfs_create_dir_ns+0x22c/0x24c [ 78.755675][ T4763] kobject_add_internal+0x5a8/0xb30 [ 78.756512][ T4763] kobject_init_and_add+0x118/0x17c [ 78.757295][ T4763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.757977][ T4763] gfs2_fill_super+0xdec/0x19ec [ 78.758730][ T4763] get_tree_bdev+0x358/0x544 [ 78.759489][ T4763] gfs2_get_tree+0x54/0x1b4 [ 78.760197][ T4763] vfs_get_tree+0x90/0x274 [ 78.760842][ T4763] do_new_mount+0x228/0x810 [ 78.761543][ T4763] path_mount+0x5b4/0xe78 [ 78.762240][ T4763] __arm64_sys_mount+0x49c/0x584 [ 78.762933][ T4763] invoke_syscall+0x98/0x2bc [ 78.763582][ T4763] el0_svc_common+0x138/0x258 [ 78.764166][ T4763] do_el0_svc+0x58/0x13c [ 78.764784][ T4763] el0_svc+0x58/0x138 [ 78.765362][ T4763] el0t_64_sync_handler+0x84/0xf0 [ 78.766159][ T4763] el0t_64_sync+0x18c/0x190 [ 78.767128][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.769192][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 78.890954][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 78.892121][ T4765] CPU: 1 PID: 4765 Comm: syz.1.133 Tainted: G W syzkaller #0 [ 78.893421][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 78.894878][ T4765] Call trace: [ 78.895345][ T4765] dump_backtrace+0x1c8/0x1f4 [ 78.896035][ T4765] show_stack+0x2c/0x3c [ 78.896650][ T4765] __dump_stack+0x30/0x40 [ 78.897312][ T4765] dump_stack_lvl+0xf8/0x160 [ 78.897955][ T4765] dump_stack+0x1c/0x5c [ 78.898551][ T4765] sysfs_create_dir_ns+0x22c/0x24c [ 78.899331][ T4765] kobject_add_internal+0x5a8/0xb30 [ 78.900129][ T4765] kobject_init_and_add+0x118/0x17c [ 78.900971][ T4765] gfs2_sys_fs_add+0x1dc/0x3d8 [ 78.901763][ T4765] gfs2_fill_super+0xdec/0x19ec [ 78.902576][ T4765] get_tree_bdev+0x358/0x544 [ 78.903321][ T4765] gfs2_get_tree+0x54/0x1b4 [ 78.904065][ T4765] vfs_get_tree+0x90/0x274 [ 78.904742][ T4765] do_new_mount+0x228/0x810 [ 78.905483][ T4765] path_mount+0x5b4/0xe78 [ 78.906161][ T4765] __arm64_sys_mount+0x49c/0x584 [ 78.906894][ T4765] invoke_syscall+0x98/0x2bc [ 78.907568][ T4765] el0_svc_common+0x138/0x258 [ 78.908231][ T4765] do_el0_svc+0x58/0x13c [ 78.908852][ T4765] el0_svc+0x58/0x138 [ 78.909459][ T4765] el0t_64_sync_handler+0x84/0xf0 [ 78.910278][ T4765] el0t_64_sync+0x18c/0x190 [ 78.911967][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 78.913889][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.038646][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.039672][ T4767] CPU: 0 PID: 4767 Comm: syz.1.134 Tainted: G W syzkaller #0 [ 79.041003][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.042431][ T4767] Call trace: [ 79.042879][ T4767] dump_backtrace+0x1c8/0x1f4 [ 79.043592][ T4767] show_stack+0x2c/0x3c [ 79.044182][ T4767] __dump_stack+0x30/0x40 [ 79.044827][ T4767] dump_stack_lvl+0xf8/0x160 [ 79.045494][ T4767] dump_stack+0x1c/0x5c [ 79.046125][ T4767] sysfs_create_dir_ns+0x22c/0x24c [ 79.046909][ T4767] kobject_add_internal+0x5a8/0xb30 [ 79.047706][ T4767] kobject_init_and_add+0x118/0x17c [ 79.048485][ T4767] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.049340][ T4767] gfs2_fill_super+0xdec/0x19ec [ 79.050116][ T4767] get_tree_bdev+0x358/0x544 [ 79.050802][ T4767] gfs2_get_tree+0x54/0x1b4 [ 79.051496][ T4767] vfs_get_tree+0x90/0x274 [ 79.052160][ T4767] do_new_mount+0x228/0x810 [ 79.052834][ T4767] path_mount+0x5b4/0xe78 [ 79.053556][ T4767] __arm64_sys_mount+0x49c/0x584 [ 79.054316][ T4767] invoke_syscall+0x98/0x2bc [ 79.054950][ T4767] el0_svc_common+0x138/0x258 [ 79.055624][ T4767] do_el0_svc+0x58/0x13c [ 79.056258][ T4767] el0_svc+0x58/0x138 [ 79.056829][ T4767] el0t_64_sync_handler+0x84/0xf0 [ 79.057529][ T4767] el0t_64_sync+0x18c/0x190 [ 79.059561][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.061619][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.183270][ T4769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.184466][ T4769] CPU: 1 PID: 4769 Comm: syz.1.135 Tainted: G W syzkaller #0 [ 79.185837][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.187370][ T4769] Call trace: [ 79.187893][ T4769] dump_backtrace+0x1c8/0x1f4 [ 79.188626][ T4769] show_stack+0x2c/0x3c [ 79.189320][ T4769] __dump_stack+0x30/0x40 [ 79.190030][ T4769] dump_stack_lvl+0xf8/0x160 [ 79.190769][ T4769] dump_stack+0x1c/0x5c [ 79.191419][ T4769] sysfs_create_dir_ns+0x22c/0x24c [ 79.192319][ T4769] kobject_add_internal+0x5a8/0xb30 [ 79.193073][ T4769] kobject_init_and_add+0x118/0x17c [ 79.193891][ T4769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.194650][ T4769] gfs2_fill_super+0xdec/0x19ec [ 79.195505][ T4769] get_tree_bdev+0x358/0x544 [ 79.196157][ T4769] gfs2_get_tree+0x54/0x1b4 [ 79.196788][ T4769] vfs_get_tree+0x90/0x274 [ 79.197335][ T4769] do_new_mount+0x228/0x810 [ 79.197988][ T4769] path_mount+0x5b4/0xe78 [ 79.198601][ T4769] __arm64_sys_mount+0x49c/0x584 [ 79.199289][ T4769] invoke_syscall+0x98/0x2bc [ 79.199958][ T4769] el0_svc_common+0x138/0x258 [ 79.200667][ T4769] do_el0_svc+0x58/0x13c [ 79.201313][ T4769] el0_svc+0x58/0x138 [ 79.201929][ T4769] el0t_64_sync_handler+0x84/0xf0 [ 79.202690][ T4769] el0t_64_sync+0x18c/0x190 [ 79.203463][ T4769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.205428][ T4769] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.331351][ T4771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.332472][ T4771] CPU: 0 PID: 4771 Comm: syz.1.136 Tainted: G W syzkaller #0 [ 79.333842][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.335330][ T4771] Call trace: [ 79.335856][ T4771] dump_backtrace+0x1c8/0x1f4 [ 79.336571][ T4771] show_stack+0x2c/0x3c [ 79.337162][ T4771] __dump_stack+0x30/0x40 [ 79.337793][ T4771] dump_stack_lvl+0xf8/0x160 [ 79.338452][ T4771] dump_stack+0x1c/0x5c [ 79.339133][ T4771] sysfs_create_dir_ns+0x22c/0x24c [ 79.339905][ T4771] kobject_add_internal+0x5a8/0xb30 [ 79.340670][ T4771] kobject_init_and_add+0x118/0x17c [ 79.341373][ T4771] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.342057][ T4771] gfs2_fill_super+0xdec/0x19ec [ 79.342761][ T4771] get_tree_bdev+0x358/0x544 [ 79.343441][ T4771] gfs2_get_tree+0x54/0x1b4 [ 79.344131][ T4771] vfs_get_tree+0x90/0x274 [ 79.344809][ T4771] do_new_mount+0x228/0x810 [ 79.345476][ T4771] path_mount+0x5b4/0xe78 [ 79.346100][ T4771] __arm64_sys_mount+0x49c/0x584 [ 79.346809][ T4771] invoke_syscall+0x98/0x2bc [ 79.347472][ T4771] el0_svc_common+0x138/0x258 [ 79.348226][ T4771] do_el0_svc+0x58/0x13c [ 79.348816][ T4771] el0_svc+0x58/0x138 [ 79.349413][ T4771] el0t_64_sync_handler+0x84/0xf0 [ 79.350106][ T4771] el0t_64_sync+0x18c/0x190 [ 79.352028][ T4771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.354025][ T4771] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.472777][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.473920][ T4773] CPU: 1 PID: 4773 Comm: syz.1.137 Tainted: G W syzkaller #0 [ 79.475364][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.477165][ T4773] Call trace: [ 79.477683][ T4773] dump_backtrace+0x1c8/0x1f4 [ 79.478498][ T4773] show_stack+0x2c/0x3c [ 79.479105][ T4773] __dump_stack+0x30/0x40 [ 79.479818][ T4773] dump_stack_lvl+0xf8/0x160 [ 79.480491][ T4773] dump_stack+0x1c/0x5c [ 79.481123][ T4773] sysfs_create_dir_ns+0x22c/0x24c [ 79.481851][ T4773] kobject_add_internal+0x5a8/0xb30 [ 79.482655][ T4773] kobject_init_and_add+0x118/0x17c [ 79.483452][ T4773] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.484158][ T4773] gfs2_fill_super+0xdec/0x19ec [ 79.484937][ T4773] get_tree_bdev+0x358/0x544 [ 79.485705][ T4773] gfs2_get_tree+0x54/0x1b4 [ 79.486402][ T4773] vfs_get_tree+0x90/0x274 [ 79.487092][ T4773] do_new_mount+0x228/0x810 [ 79.487736][ T4773] path_mount+0x5b4/0xe78 [ 79.488442][ T4773] __arm64_sys_mount+0x49c/0x584 [ 79.489215][ T4773] invoke_syscall+0x98/0x2bc [ 79.489887][ T4773] el0_svc_common+0x138/0x258 [ 79.490577][ T4773] do_el0_svc+0x58/0x13c [ 79.491186][ T4773] el0_svc+0x58/0x138 [ 79.491760][ T4773] el0t_64_sync_handler+0x84/0xf0 [ 79.492444][ T4773] el0t_64_sync+0x18c/0x190 [ 79.493681][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.495579][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.622671][ T4775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.623942][ T4775] CPU: 0 PID: 4775 Comm: syz.1.138 Tainted: G W syzkaller #0 [ 79.625128][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.626538][ T4775] Call trace: [ 79.627107][ T4775] dump_backtrace+0x1c8/0x1f4 [ 79.627724][ T4775] show_stack+0x2c/0x3c [ 79.628424][ T4775] __dump_stack+0x30/0x40 [ 79.629127][ T4775] dump_stack_lvl+0xf8/0x160 [ 79.629762][ T4775] dump_stack+0x1c/0x5c [ 79.630339][ T4775] sysfs_create_dir_ns+0x22c/0x24c [ 79.631074][ T4775] kobject_add_internal+0x5a8/0xb30 [ 79.631840][ T4775] kobject_init_and_add+0x118/0x17c [ 79.632590][ T4775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.633389][ T4775] gfs2_fill_super+0xdec/0x19ec [ 79.634154][ T4775] get_tree_bdev+0x358/0x544 [ 79.634883][ T4775] gfs2_get_tree+0x54/0x1b4 [ 79.635566][ T4775] vfs_get_tree+0x90/0x274 [ 79.636206][ T4775] do_new_mount+0x228/0x810 [ 79.636915][ T4775] path_mount+0x5b4/0xe78 [ 79.637697][ T4775] __arm64_sys_mount+0x49c/0x584 [ 79.638608][ T4775] invoke_syscall+0x98/0x2bc [ 79.639393][ T4775] el0_svc_common+0x138/0x258 [ 79.640209][ T4775] do_el0_svc+0x58/0x13c [ 79.640906][ T4775] el0_svc+0x58/0x138 [ 79.641539][ T4775] el0t_64_sync_handler+0x84/0xf0 [ 79.642355][ T4775] el0t_64_sync+0x18c/0x190 [ 79.644223][ T4775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.646121][ T4775] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.762573][ T4777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.763732][ T4777] CPU: 1 PID: 4777 Comm: syz.1.139 Tainted: G W syzkaller #0 [ 79.765071][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.766557][ T4777] Call trace: [ 79.767027][ T4777] dump_backtrace+0x1c8/0x1f4 [ 79.767669][ T4777] show_stack+0x2c/0x3c [ 79.768242][ T4777] __dump_stack+0x30/0x40 [ 79.768905][ T4777] dump_stack_lvl+0xf8/0x160 [ 79.769551][ T4777] dump_stack+0x1c/0x5c [ 79.770225][ T4777] sysfs_create_dir_ns+0x22c/0x24c [ 79.771048][ T4777] kobject_add_internal+0x5a8/0xb30 [ 79.771821][ T4777] kobject_init_and_add+0x118/0x17c [ 79.772671][ T4777] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.773400][ T4777] gfs2_fill_super+0xdec/0x19ec [ 79.774177][ T4777] get_tree_bdev+0x358/0x544 [ 79.774907][ T4777] gfs2_get_tree+0x54/0x1b4 [ 79.775543][ T4777] vfs_get_tree+0x90/0x274 [ 79.776190][ T4777] do_new_mount+0x228/0x810 [ 79.776942][ T4777] path_mount+0x5b4/0xe78 [ 79.777581][ T4777] __arm64_sys_mount+0x49c/0x584 [ 79.778301][ T4777] invoke_syscall+0x98/0x2bc [ 79.778997][ T4777] el0_svc_common+0x138/0x258 [ 79.779696][ T4777] do_el0_svc+0x58/0x13c [ 79.780335][ T4777] el0_svc+0x58/0x138 [ 79.780898][ T4777] el0t_64_sync_handler+0x84/0xf0 [ 79.781605][ T4777] el0t_64_sync+0x18c/0x190 [ 79.783686][ T4777] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.785632][ T4777] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 79.914591][ T4779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 79.915739][ T4779] CPU: 0 PID: 4779 Comm: syz.1.140 Tainted: G W syzkaller #0 [ 79.917066][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 79.918403][ T4779] Call trace: [ 79.918935][ T4779] dump_backtrace+0x1c8/0x1f4 [ 79.919745][ T4779] show_stack+0x2c/0x3c [ 79.920395][ T4779] __dump_stack+0x30/0x40 [ 79.921106][ T4779] dump_stack_lvl+0xf8/0x160 [ 79.921931][ T4779] dump_stack+0x1c/0x5c [ 79.922563][ T4779] sysfs_create_dir_ns+0x22c/0x24c [ 79.923371][ T4779] kobject_add_internal+0x5a8/0xb30 [ 79.924258][ T4779] kobject_init_and_add+0x118/0x17c [ 79.925058][ T4779] gfs2_sys_fs_add+0x1dc/0x3d8 [ 79.925820][ T4779] gfs2_fill_super+0xdec/0x19ec [ 79.926577][ T4779] get_tree_bdev+0x358/0x544 [ 79.927281][ T4779] gfs2_get_tree+0x54/0x1b4 [ 79.928031][ T4779] vfs_get_tree+0x90/0x274 [ 79.928736][ T4779] do_new_mount+0x228/0x810 [ 79.929425][ T4779] path_mount+0x5b4/0xe78 [ 79.930070][ T4779] __arm64_sys_mount+0x49c/0x584 [ 79.930791][ T4779] invoke_syscall+0x98/0x2bc [ 79.931510][ T4779] el0_svc_common+0x138/0x258 [ 79.932261][ T4779] do_el0_svc+0x58/0x13c [ 79.932906][ T4779] el0_svc+0x58/0x138 [ 79.933486][ T4779] el0t_64_sync_handler+0x84/0xf0 [ 79.934267][ T4779] el0t_64_sync+0x18c/0x190 [ 79.935082][ T4779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 79.936954][ T4779] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.062603][ T4781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.063766][ T4781] CPU: 1 PID: 4781 Comm: syz.1.141 Tainted: G W syzkaller #0 [ 80.065024][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.066492][ T4781] Call trace: [ 80.066965][ T4781] dump_backtrace+0x1c8/0x1f4 [ 80.067600][ T4781] show_stack+0x2c/0x3c [ 80.068133][ T4781] __dump_stack+0x30/0x40 [ 80.068789][ T4781] dump_stack_lvl+0xf8/0x160 [ 80.069474][ T4781] dump_stack+0x1c/0x5c [ 80.070122][ T4781] sysfs_create_dir_ns+0x22c/0x24c [ 80.070884][ T4781] kobject_add_internal+0x5a8/0xb30 [ 80.071713][ T4781] kobject_init_and_add+0x118/0x17c [ 80.072731][ T4781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.073465][ T4781] gfs2_fill_super+0xdec/0x19ec [ 80.074279][ T4781] get_tree_bdev+0x358/0x544 [ 80.075065][ T4781] gfs2_get_tree+0x54/0x1b4 [ 80.075828][ T4781] vfs_get_tree+0x90/0x274 [ 80.076529][ T4781] do_new_mount+0x228/0x810 [ 80.077164][ T4781] path_mount+0x5b4/0xe78 [ 80.077828][ T4781] __arm64_sys_mount+0x49c/0x584 [ 80.078616][ T4781] invoke_syscall+0x98/0x2bc [ 80.079300][ T4781] el0_svc_common+0x138/0x258 [ 80.079974][ T4781] do_el0_svc+0x58/0x13c [ 80.080649][ T4781] el0_svc+0x58/0x138 [ 80.081251][ T4781] el0t_64_sync_handler+0x84/0xf0 [ 80.081989][ T4781] el0t_64_sync+0x18c/0x190 [ 80.084066][ T4781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.086343][ T4781] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.217129][ T4783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.219293][ T4783] CPU: 1 PID: 4783 Comm: syz.1.142 Tainted: G W syzkaller #0 [ 80.220683][ T4783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.222159][ T4783] Call trace: [ 80.222664][ T4783] dump_backtrace+0x1c8/0x1f4 [ 80.223375][ T4783] show_stack+0x2c/0x3c [ 80.224073][ T4783] __dump_stack+0x30/0x40 [ 80.224653][ T4783] dump_stack_lvl+0xf8/0x160 [ 80.225338][ T4783] dump_stack+0x1c/0x5c [ 80.225892][ T4783] sysfs_create_dir_ns+0x22c/0x24c [ 80.226646][ T4783] kobject_add_internal+0x5a8/0xb30 [ 80.227381][ T4783] kobject_init_and_add+0x118/0x17c [ 80.228105][ T4783] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.228825][ T4783] gfs2_fill_super+0xdec/0x19ec [ 80.229531][ T4783] get_tree_bdev+0x358/0x544 [ 80.230111][ T4783] gfs2_get_tree+0x54/0x1b4 [ 80.230752][ T4783] vfs_get_tree+0x90/0x274 [ 80.231418][ T4783] do_new_mount+0x228/0x810 [ 80.232039][ T4783] path_mount+0x5b4/0xe78 [ 80.232631][ T4783] __arm64_sys_mount+0x49c/0x584 [ 80.233263][ T4783] invoke_syscall+0x98/0x2bc [ 80.233866][ T4783] el0_svc_common+0x138/0x258 [ 80.234511][ T4783] do_el0_svc+0x58/0x13c [ 80.235143][ T4783] el0_svc+0x58/0x138 [ 80.235791][ T4783] el0t_64_sync_handler+0x84/0xf0 [ 80.236530][ T4783] el0t_64_sync+0x18c/0x190 [ 80.237871][ T4783] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.240664][ T4783] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.372764][ T4785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.373910][ T4785] CPU: 0 PID: 4785 Comm: syz.1.143 Tainted: G W syzkaller #0 [ 80.375160][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.376574][ T4785] Call trace: [ 80.377011][ T4785] dump_backtrace+0x1c8/0x1f4 [ 80.377830][ T4785] show_stack+0x2c/0x3c [ 80.378405][ T4785] __dump_stack+0x30/0x40 [ 80.379027][ T4785] dump_stack_lvl+0xf8/0x160 [ 80.379730][ T4785] dump_stack+0x1c/0x5c [ 80.380434][ T4785] sysfs_create_dir_ns+0x22c/0x24c [ 80.381299][ T4785] kobject_add_internal+0x5a8/0xb30 [ 80.382149][ T4785] kobject_init_and_add+0x118/0x17c [ 80.382927][ T4785] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.383703][ T4785] gfs2_fill_super+0xdec/0x19ec [ 80.384435][ T4785] get_tree_bdev+0x358/0x544 [ 80.385128][ T4785] gfs2_get_tree+0x54/0x1b4 [ 80.385799][ T4785] vfs_get_tree+0x90/0x274 [ 80.386414][ T4785] do_new_mount+0x228/0x810 [ 80.387114][ T4785] path_mount+0x5b4/0xe78 [ 80.387889][ T4785] __arm64_sys_mount+0x49c/0x584 [ 80.388611][ T4785] invoke_syscall+0x98/0x2bc [ 80.389343][ T4785] el0_svc_common+0x138/0x258 [ 80.390099][ T4785] do_el0_svc+0x58/0x13c [ 80.390789][ T4785] el0_svc+0x58/0x138 [ 80.391446][ T4785] el0t_64_sync_handler+0x84/0xf0 [ 80.392302][ T4785] el0t_64_sync+0x18c/0x190 [ 80.394514][ T4785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.396344][ T4785] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.515112][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.516342][ T4787] CPU: 0 PID: 4787 Comm: syz.1.144 Tainted: G W syzkaller #0 [ 80.517621][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.519185][ T4787] Call trace: [ 80.519730][ T4787] dump_backtrace+0x1c8/0x1f4 [ 80.520550][ T4787] show_stack+0x2c/0x3c [ 80.521195][ T4787] __dump_stack+0x30/0x40 [ 80.521952][ T4787] dump_stack_lvl+0xf8/0x160 [ 80.522758][ T4787] dump_stack+0x1c/0x5c [ 80.523379][ T4787] sysfs_create_dir_ns+0x22c/0x24c [ 80.524110][ T4787] kobject_add_internal+0x5a8/0xb30 [ 80.524952][ T4787] kobject_init_and_add+0x118/0x17c [ 80.525761][ T4787] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.526484][ T4787] gfs2_fill_super+0xdec/0x19ec [ 80.527226][ T4787] get_tree_bdev+0x358/0x544 [ 80.527938][ T4787] gfs2_get_tree+0x54/0x1b4 [ 80.528653][ T4787] vfs_get_tree+0x90/0x274 [ 80.529363][ T4787] do_new_mount+0x228/0x810 [ 80.530074][ T4787] path_mount+0x5b4/0xe78 [ 80.530754][ T4787] __arm64_sys_mount+0x49c/0x584 [ 80.531506][ T4787] invoke_syscall+0x98/0x2bc [ 80.532224][ T4787] el0_svc_common+0x138/0x258 [ 80.533008][ T4787] do_el0_svc+0x58/0x13c [ 80.533665][ T4787] el0_svc+0x58/0x138 [ 80.534260][ T4787] el0t_64_sync_handler+0x84/0xf0 [ 80.535027][ T4787] el0t_64_sync+0x18c/0x190 [ 80.537145][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.539072][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.659843][ T4789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.661062][ T4789] CPU: 1 PID: 4789 Comm: syz.1.145 Tainted: G W syzkaller #0 [ 80.662409][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.663930][ T4789] Call trace: [ 80.664405][ T4789] dump_backtrace+0x1c8/0x1f4 [ 80.665162][ T4789] show_stack+0x2c/0x3c [ 80.665792][ T4789] __dump_stack+0x30/0x40 [ 80.666450][ T4789] dump_stack_lvl+0xf8/0x160 [ 80.667146][ T4789] dump_stack+0x1c/0x5c [ 80.667800][ T4789] sysfs_create_dir_ns+0x22c/0x24c [ 80.668558][ T4789] kobject_add_internal+0x5a8/0xb30 [ 80.669311][ T4789] kobject_init_and_add+0x118/0x17c [ 80.670080][ T4789] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.670859][ T4789] gfs2_fill_super+0xdec/0x19ec [ 80.671570][ T4789] get_tree_bdev+0x358/0x544 [ 80.672277][ T4789] gfs2_get_tree+0x54/0x1b4 [ 80.673006][ T4789] vfs_get_tree+0x90/0x274 [ 80.673674][ T4789] do_new_mount+0x228/0x810 [ 80.674332][ T4789] path_mount+0x5b4/0xe78 [ 80.675065][ T4789] __arm64_sys_mount+0x49c/0x584 [ 80.675856][ T4789] invoke_syscall+0x98/0x2bc [ 80.676601][ T4789] el0_svc_common+0x138/0x258 [ 80.677303][ T4789] do_el0_svc+0x58/0x13c [ 80.678014][ T4789] el0_svc+0x58/0x138 [ 80.678588][ T4789] el0t_64_sync_handler+0x84/0xf0 [ 80.679333][ T4789] el0t_64_sync+0x18c/0x190 [ 80.680255][ T4789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.682152][ T4789] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.804627][ T4791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.805753][ T4791] CPU: 0 PID: 4791 Comm: syz.1.146 Tainted: G W syzkaller #0 [ 80.806971][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.808357][ T4791] Call trace: [ 80.808855][ T4791] dump_backtrace+0x1c8/0x1f4 [ 80.809542][ T4791] show_stack+0x2c/0x3c [ 80.810127][ T4791] __dump_stack+0x30/0x40 [ 80.810781][ T4791] dump_stack_lvl+0xf8/0x160 [ 80.811524][ T4791] dump_stack+0x1c/0x5c [ 80.812144][ T4791] sysfs_create_dir_ns+0x22c/0x24c [ 80.812909][ T4791] kobject_add_internal+0x5a8/0xb30 [ 80.813680][ T4791] kobject_init_and_add+0x118/0x17c [ 80.814415][ T4791] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.815065][ T4791] gfs2_fill_super+0xdec/0x19ec [ 80.815793][ T4791] get_tree_bdev+0x358/0x544 [ 80.816448][ T4791] gfs2_get_tree+0x54/0x1b4 [ 80.817161][ T4791] vfs_get_tree+0x90/0x274 [ 80.817802][ T4791] do_new_mount+0x228/0x810 [ 80.818492][ T4791] path_mount+0x5b4/0xe78 [ 80.819071][ T4791] __arm64_sys_mount+0x49c/0x584 [ 80.819750][ T4791] invoke_syscall+0x98/0x2bc [ 80.820460][ T4791] el0_svc_common+0x138/0x258 [ 80.821174][ T4791] do_el0_svc+0x58/0x13c [ 80.821873][ T4791] el0_svc+0x58/0x138 [ 80.822529][ T4791] el0t_64_sync_handler+0x84/0xf0 [ 80.823205][ T4791] el0t_64_sync+0x18c/0x190 [ 80.825098][ T4791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.826941][ T4791] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 80.952584][ T4793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 80.953790][ T4793] CPU: 0 PID: 4793 Comm: syz.1.147 Tainted: G W syzkaller #0 [ 80.955133][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 80.956556][ T4793] Call trace: [ 80.957083][ T4793] dump_backtrace+0x1c8/0x1f4 [ 80.957740][ T4793] show_stack+0x2c/0x3c [ 80.958360][ T4793] __dump_stack+0x30/0x40 [ 80.958987][ T4793] dump_stack_lvl+0xf8/0x160 [ 80.959658][ T4793] dump_stack+0x1c/0x5c [ 80.960264][ T4793] sysfs_create_dir_ns+0x22c/0x24c [ 80.960997][ T4793] kobject_add_internal+0x5a8/0xb30 [ 80.961766][ T4793] kobject_init_and_add+0x118/0x17c [ 80.962549][ T4793] gfs2_sys_fs_add+0x1dc/0x3d8 [ 80.963199][ T4793] gfs2_fill_super+0xdec/0x19ec [ 80.963904][ T4793] get_tree_bdev+0x358/0x544 [ 80.964550][ T4793] gfs2_get_tree+0x54/0x1b4 [ 80.965228][ T4793] vfs_get_tree+0x90/0x274 [ 80.965894][ T4793] do_new_mount+0x228/0x810 [ 80.966572][ T4793] path_mount+0x5b4/0xe78 [ 80.967140][ T4793] __arm64_sys_mount+0x49c/0x584 [ 80.967846][ T4793] invoke_syscall+0x98/0x2bc [ 80.968464][ T4793] el0_svc_common+0x138/0x258 [ 80.969091][ T4793] do_el0_svc+0x58/0x13c [ 80.969755][ T4793] el0_svc+0x58/0x138 [ 80.970335][ T4793] el0t_64_sync_handler+0x84/0xf0 [ 80.971140][ T4793] el0t_64_sync+0x18c/0x190 [ 80.973114][ T4793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 80.974961][ T4793] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.114114][ T4795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.115316][ T4795] CPU: 0 PID: 4795 Comm: syz.1.148 Tainted: G W syzkaller #0 [ 81.116647][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.118051][ T4795] Call trace: [ 81.118561][ T4795] dump_backtrace+0x1c8/0x1f4 [ 81.119268][ T4795] show_stack+0x2c/0x3c [ 81.119865][ T4795] __dump_stack+0x30/0x40 [ 81.120509][ T4795] dump_stack_lvl+0xf8/0x160 [ 81.121169][ T4795] dump_stack+0x1c/0x5c [ 81.121772][ T4795] sysfs_create_dir_ns+0x22c/0x24c [ 81.122491][ T4795] kobject_add_internal+0x5a8/0xb30 [ 81.123332][ T4795] kobject_init_and_add+0x118/0x17c [ 81.124090][ T4795] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.124812][ T4795] gfs2_fill_super+0xdec/0x19ec [ 81.125538][ T4795] get_tree_bdev+0x358/0x544 [ 81.126243][ T4795] gfs2_get_tree+0x54/0x1b4 [ 81.126845][ T4795] vfs_get_tree+0x90/0x274 [ 81.127507][ T4795] do_new_mount+0x228/0x810 [ 81.128288][ T4795] path_mount+0x5b4/0xe78 [ 81.128993][ T4795] __arm64_sys_mount+0x49c/0x584 [ 81.129805][ T4795] invoke_syscall+0x98/0x2bc [ 81.130489][ T4795] el0_svc_common+0x138/0x258 [ 81.131164][ T4795] do_el0_svc+0x58/0x13c [ 81.131792][ T4795] el0_svc+0x58/0x138 [ 81.132383][ T4795] el0t_64_sync_handler+0x84/0xf0 [ 81.133109][ T4795] el0t_64_sync+0x18c/0x190 [ 81.135262][ T4795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.137258][ T4795] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.252886][ T4797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.253986][ T4797] CPU: 0 PID: 4797 Comm: syz.1.149 Tainted: G W syzkaller #0 [ 81.255201][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.256638][ T4797] Call trace: [ 81.257171][ T4797] dump_backtrace+0x1c8/0x1f4 [ 81.257942][ T4797] show_stack+0x2c/0x3c [ 81.258680][ T4797] __dump_stack+0x30/0x40 [ 81.259342][ T4797] dump_stack_lvl+0xf8/0x160 [ 81.259967][ T4797] dump_stack+0x1c/0x5c [ 81.260540][ T4797] sysfs_create_dir_ns+0x22c/0x24c [ 81.261317][ T4797] kobject_add_internal+0x5a8/0xb30 [ 81.262130][ T4797] kobject_init_and_add+0x118/0x17c [ 81.262883][ T4797] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.263576][ T4797] gfs2_fill_super+0xdec/0x19ec [ 81.264272][ T4797] get_tree_bdev+0x358/0x544 [ 81.264986][ T4797] gfs2_get_tree+0x54/0x1b4 [ 81.265675][ T4797] vfs_get_tree+0x90/0x274 [ 81.266292][ T4797] do_new_mount+0x228/0x810 [ 81.266975][ T4797] path_mount+0x5b4/0xe78 [ 81.267701][ T4797] __arm64_sys_mount+0x49c/0x584 [ 81.268422][ T4797] invoke_syscall+0x98/0x2bc [ 81.269071][ T4797] el0_svc_common+0x138/0x258 [ 81.269780][ T4797] do_el0_svc+0x58/0x13c [ 81.270438][ T4797] el0_svc+0x58/0x138 [ 81.270987][ T4797] el0t_64_sync_handler+0x84/0xf0 [ 81.271711][ T4797] el0t_64_sync+0x18c/0x190 [ 81.273780][ T4797] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.275640][ T4797] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.394871][ T4799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.396072][ T4799] CPU: 1 PID: 4799 Comm: syz.1.150 Tainted: G W syzkaller #0 [ 81.397456][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.399139][ T4799] Call trace: [ 81.399722][ T4799] dump_backtrace+0x1c8/0x1f4 [ 81.400572][ T4799] show_stack+0x2c/0x3c [ 81.401272][ T4799] __dump_stack+0x30/0x40 [ 81.401995][ T4799] dump_stack_lvl+0xf8/0x160 [ 81.402693][ T4799] dump_stack+0x1c/0x5c [ 81.403377][ T4799] sysfs_create_dir_ns+0x22c/0x24c [ 81.404125][ T4799] kobject_add_internal+0x5a8/0xb30 [ 81.404932][ T4799] kobject_init_and_add+0x118/0x17c [ 81.405756][ T4799] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.406576][ T4799] gfs2_fill_super+0xdec/0x19ec [ 81.407393][ T4799] get_tree_bdev+0x358/0x544 [ 81.408210][ T4799] gfs2_get_tree+0x54/0x1b4 [ 81.408773][ T4799] vfs_get_tree+0x90/0x274 [ 81.409610][ T4799] do_new_mount+0x228/0x810 [ 81.410384][ T4799] path_mount+0x5b4/0xe78 [ 81.411101][ T4799] __arm64_sys_mount+0x49c/0x584 [ 81.411854][ T4799] invoke_syscall+0x98/0x2bc [ 81.412523][ T4799] el0_svc_common+0x138/0x258 [ 81.413202][ T4799] do_el0_svc+0x58/0x13c [ 81.413865][ T4799] el0_svc+0x58/0x138 [ 81.414525][ T4799] el0t_64_sync_handler+0x84/0xf0 [ 81.415294][ T4799] el0t_64_sync+0x18c/0x190 [ 81.416106][ T4799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.418175][ T4799] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.541389][ T4801] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.542636][ T4801] CPU: 0 PID: 4801 Comm: syz.1.151 Tainted: G W syzkaller #0 [ 81.544011][ T4801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.545569][ T4801] Call trace: [ 81.546078][ T4801] dump_backtrace+0x1c8/0x1f4 [ 81.546824][ T4801] show_stack+0x2c/0x3c [ 81.547523][ T4801] __dump_stack+0x30/0x40 [ 81.548191][ T4801] dump_stack_lvl+0xf8/0x160 [ 81.548912][ T4801] dump_stack+0x1c/0x5c [ 81.549641][ T4801] sysfs_create_dir_ns+0x22c/0x24c [ 81.550555][ T4801] kobject_add_internal+0x5a8/0xb30 [ 81.551485][ T4801] kobject_init_and_add+0x118/0x17c [ 81.552340][ T4801] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.553108][ T4801] gfs2_fill_super+0xdec/0x19ec [ 81.553840][ T4801] get_tree_bdev+0x358/0x544 [ 81.554546][ T4801] gfs2_get_tree+0x54/0x1b4 [ 81.555250][ T4801] vfs_get_tree+0x90/0x274 [ 81.555908][ T4801] do_new_mount+0x228/0x810 [ 81.556559][ T4801] path_mount+0x5b4/0xe78 [ 81.557179][ T4801] __arm64_sys_mount+0x49c/0x584 [ 81.557901][ T4801] invoke_syscall+0x98/0x2bc [ 81.558593][ T4801] el0_svc_common+0x138/0x258 [ 81.559312][ T4801] do_el0_svc+0x58/0x13c [ 81.559932][ T4801] el0_svc+0x58/0x138 [ 81.560556][ T4801] el0t_64_sync_handler+0x84/0xf0 [ 81.561261][ T4801] el0t_64_sync+0x18c/0x190 [ 81.563095][ T4801] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.565165][ T4801] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.685513][ T4803] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.686675][ T4803] CPU: 1 PID: 4803 Comm: syz.1.152 Tainted: G W syzkaller #0 [ 81.687965][ T4803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.689491][ T4803] Call trace: [ 81.690024][ T4803] dump_backtrace+0x1c8/0x1f4 [ 81.690764][ T4803] show_stack+0x2c/0x3c [ 81.691394][ T4803] __dump_stack+0x30/0x40 [ 81.692005][ T4803] dump_stack_lvl+0xf8/0x160 [ 81.692787][ T4803] dump_stack+0x1c/0x5c [ 81.693439][ T4803] sysfs_create_dir_ns+0x22c/0x24c [ 81.694202][ T4803] kobject_add_internal+0x5a8/0xb30 [ 81.694979][ T4803] kobject_init_and_add+0x118/0x17c [ 81.695717][ T4803] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.696442][ T4803] gfs2_fill_super+0xdec/0x19ec [ 81.697187][ T4803] get_tree_bdev+0x358/0x544 [ 81.697840][ T4803] gfs2_get_tree+0x54/0x1b4 [ 81.698508][ T4803] vfs_get_tree+0x90/0x274 [ 81.699237][ T4803] do_new_mount+0x228/0x810 [ 81.699949][ T4803] path_mount+0x5b4/0xe78 [ 81.700641][ T4803] __arm64_sys_mount+0x49c/0x584 [ 81.701448][ T4803] invoke_syscall+0x98/0x2bc [ 81.702147][ T4803] el0_svc_common+0x138/0x258 [ 81.702825][ T4803] do_el0_svc+0x58/0x13c [ 81.703510][ T4803] el0_svc+0x58/0x138 [ 81.704057][ T4803] el0t_64_sync_handler+0x84/0xf0 [ 81.704798][ T4803] el0t_64_sync+0x18c/0x190 [ 81.706892][ T4803] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.709050][ T4803] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 81.826957][ T4805] set_capacity_and_notify: 24 callbacks suppressed [ 81.826967][ T4805] loop1: detected capacity change from 0 to 32768 [ 81.834238][ T4805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.835384][ T4805] CPU: 0 PID: 4805 Comm: syz.1.153 Tainted: G W syzkaller #0 [ 81.836640][ T4805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.838060][ T4805] Call trace: [ 81.838559][ T4805] dump_backtrace+0x1c8/0x1f4 [ 81.839267][ T4805] show_stack+0x2c/0x3c [ 81.839890][ T4805] __dump_stack+0x30/0x40 [ 81.840501][ T4805] dump_stack_lvl+0xf8/0x160 [ 81.841191][ T4805] dump_stack+0x1c/0x5c [ 81.841820][ T4805] sysfs_create_dir_ns+0x22c/0x24c [ 81.842632][ T4805] kobject_add_internal+0x5a8/0xb30 [ 81.843432][ T4805] kobject_init_and_add+0x118/0x17c [ 81.844242][ T4805] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.845082][ T4805] gfs2_fill_super+0xdec/0x19ec [ 81.845937][ T4805] get_tree_bdev+0x358/0x544 [ 81.846719][ T4805] gfs2_get_tree+0x54/0x1b4 [ 81.847473][ T4805] vfs_get_tree+0x90/0x274 [ 81.848173][ T4805] do_new_mount+0x228/0x810 [ 81.848858][ T4805] path_mount+0x5b4/0xe78 [ 81.849489][ T4805] __arm64_sys_mount+0x49c/0x584 [ 81.850210][ T4805] invoke_syscall+0x98/0x2bc [ 81.850892][ T4805] el0_svc_common+0x138/0x258 [ 81.851553][ T4805] do_el0_svc+0x58/0x13c [ 81.852131][ T4805] el0_svc+0x58/0x138 [ 81.852712][ T4805] el0t_64_sync_handler+0x84/0xf0 [ 81.853450][ T4805] el0t_64_sync+0x18c/0x190 [ 81.854296][ T4805] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 81.856260][ T4805] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:21 executed programs: 139 [ 81.979059][ T4807] loop1: detected capacity change from 0 to 32768 [ 81.987404][ T4807] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 81.988554][ T4807] CPU: 1 PID: 4807 Comm: syz.1.154 Tainted: G W syzkaller #0 [ 81.989900][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 81.991440][ T4807] Call trace: [ 81.991909][ T4807] dump_backtrace+0x1c8/0x1f4 [ 81.992676][ T4807] show_stack+0x2c/0x3c [ 81.993409][ T4807] __dump_stack+0x30/0x40 [ 81.994157][ T4807] dump_stack_lvl+0xf8/0x160 [ 81.994955][ T4807] dump_stack+0x1c/0x5c [ 81.995608][ T4807] sysfs_create_dir_ns+0x22c/0x24c [ 81.996502][ T4807] kobject_add_internal+0x5a8/0xb30 [ 81.997326][ T4807] kobject_init_and_add+0x118/0x17c [ 81.998208][ T4807] gfs2_sys_fs_add+0x1dc/0x3d8 [ 81.998973][ T4807] gfs2_fill_super+0xdec/0x19ec [ 81.999744][ T4807] get_tree_bdev+0x358/0x544 [ 82.000652][ T4807] gfs2_get_tree+0x54/0x1b4 [ 82.001395][ T4807] vfs_get_tree+0x90/0x274 [ 82.002093][ T4807] do_new_mount+0x228/0x810 [ 82.002768][ T4807] path_mount+0x5b4/0xe78 [ 82.003414][ T4807] __arm64_sys_mount+0x49c/0x584 [ 82.004171][ T4807] invoke_syscall+0x98/0x2bc [ 82.004844][ T4807] el0_svc_common+0x138/0x258 [ 82.005454][ T4807] do_el0_svc+0x58/0x13c [ 82.006083][ T4807] el0_svc+0x58/0x138 [ 82.006729][ T4807] el0t_64_sync_handler+0x84/0xf0 [ 82.007493][ T4807] el0t_64_sync+0x18c/0x190 [ 82.008305][ T4807] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.011976][ T4807] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.131393][ T4809] loop1: detected capacity change from 0 to 32768 [ 82.137903][ T4809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.139343][ T4809] CPU: 0 PID: 4809 Comm: syz.1.155 Tainted: G W syzkaller #0 [ 82.140674][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.142162][ T4809] Call trace: [ 82.142720][ T4809] dump_backtrace+0x1c8/0x1f4 [ 82.143460][ T4809] show_stack+0x2c/0x3c [ 82.144150][ T4809] __dump_stack+0x30/0x40 [ 82.144778][ T4809] dump_stack_lvl+0xf8/0x160 [ 82.145403][ T4809] dump_stack+0x1c/0x5c [ 82.146037][ T4809] sysfs_create_dir_ns+0x22c/0x24c [ 82.146937][ T4809] kobject_add_internal+0x5a8/0xb30 [ 82.147792][ T4809] kobject_init_and_add+0x118/0x17c [ 82.148618][ T4809] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.149394][ T4809] gfs2_fill_super+0xdec/0x19ec [ 82.150155][ T4809] get_tree_bdev+0x358/0x544 [ 82.150821][ T4809] gfs2_get_tree+0x54/0x1b4 [ 82.151456][ T4809] vfs_get_tree+0x90/0x274 [ 82.152083][ T4809] do_new_mount+0x228/0x810 [ 82.152767][ T4809] path_mount+0x5b4/0xe78 [ 82.153554][ T4809] __arm64_sys_mount+0x49c/0x584 [ 82.154349][ T4809] invoke_syscall+0x98/0x2bc [ 82.155088][ T4809] el0_svc_common+0x138/0x258 [ 82.155780][ T4809] do_el0_svc+0x58/0x13c [ 82.156444][ T4809] el0_svc+0x58/0x138 [ 82.157055][ T4809] el0t_64_sync_handler+0x84/0xf0 [ 82.157824][ T4809] el0t_64_sync+0x18c/0x190 [ 82.159812][ T4809] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.161639][ T4809] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.283557][ T4811] loop1: detected capacity change from 0 to 32768 [ 82.289005][ T4811] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.290284][ T4811] CPU: 0 PID: 4811 Comm: syz.1.156 Tainted: G W syzkaller #0 [ 82.291567][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.293129][ T4811] Call trace: [ 82.293578][ T4811] dump_backtrace+0x1c8/0x1f4 [ 82.294276][ T4811] show_stack+0x2c/0x3c [ 82.294927][ T4811] __dump_stack+0x30/0x40 [ 82.295591][ T4811] dump_stack_lvl+0xf8/0x160 [ 82.296277][ T4811] dump_stack+0x1c/0x5c [ 82.296884][ T4811] sysfs_create_dir_ns+0x22c/0x24c [ 82.297576][ T4811] kobject_add_internal+0x5a8/0xb30 [ 82.298303][ T4811] kobject_init_and_add+0x118/0x17c [ 82.299078][ T4811] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.299768][ T4811] gfs2_fill_super+0xdec/0x19ec [ 82.300520][ T4811] get_tree_bdev+0x358/0x544 [ 82.301190][ T4811] gfs2_get_tree+0x54/0x1b4 [ 82.301799][ T4811] vfs_get_tree+0x90/0x274 [ 82.302446][ T4811] do_new_mount+0x228/0x810 [ 82.303126][ T4811] path_mount+0x5b4/0xe78 [ 82.303743][ T4811] __arm64_sys_mount+0x49c/0x584 [ 82.304441][ T4811] invoke_syscall+0x98/0x2bc [ 82.305055][ T4811] el0_svc_common+0x138/0x258 [ 82.305709][ T4811] do_el0_svc+0x58/0x13c [ 82.306313][ T4811] el0_svc+0x58/0x138 [ 82.306907][ T4811] el0t_64_sync_handler+0x84/0xf0 [ 82.307657][ T4811] el0t_64_sync+0x18c/0x190 [ 82.309650][ T4811] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.311458][ T4811] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.432803][ T4813] loop1: detected capacity change from 0 to 32768 [ 82.439071][ T4813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.440287][ T4813] CPU: 1 PID: 4813 Comm: syz.1.157 Tainted: G W syzkaller #0 [ 82.441623][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.443116][ T4813] Call trace: [ 82.443596][ T4813] dump_backtrace+0x1c8/0x1f4 [ 82.444302][ T4813] show_stack+0x2c/0x3c [ 82.444895][ T4813] __dump_stack+0x30/0x40 [ 82.445594][ T4813] dump_stack_lvl+0xf8/0x160 [ 82.446292][ T4813] dump_stack+0x1c/0x5c [ 82.446907][ T4813] sysfs_create_dir_ns+0x22c/0x24c [ 82.447624][ T4813] kobject_add_internal+0x5a8/0xb30 [ 82.448360][ T4813] kobject_init_and_add+0x118/0x17c [ 82.449123][ T4813] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.449902][ T4813] gfs2_fill_super+0xdec/0x19ec [ 82.450613][ T4813] get_tree_bdev+0x358/0x544 [ 82.451273][ T4813] gfs2_get_tree+0x54/0x1b4 [ 82.451872][ T4813] vfs_get_tree+0x90/0x274 [ 82.452526][ T4813] do_new_mount+0x228/0x810 [ 82.453325][ T4813] path_mount+0x5b4/0xe78 [ 82.453891][ T4813] __arm64_sys_mount+0x49c/0x584 [ 82.454608][ T4813] invoke_syscall+0x98/0x2bc [ 82.455328][ T4813] el0_svc_common+0x138/0x258 [ 82.456061][ T4813] do_el0_svc+0x58/0x13c [ 82.456773][ T4813] el0_svc+0x58/0x138 [ 82.457351][ T4813] el0t_64_sync_handler+0x84/0xf0 [ 82.458138][ T4813] el0t_64_sync+0x18c/0x190 [ 82.459173][ T4813] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.461053][ T4813] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.583952][ T4815] loop1: detected capacity change from 0 to 32768 [ 82.585736][ T4815] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.586905][ T4815] CPU: 0 PID: 4815 Comm: syz.1.158 Tainted: G W syzkaller #0 [ 82.588248][ T4815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.589671][ T4815] Call trace: [ 82.590135][ T4815] dump_backtrace+0x1c8/0x1f4 [ 82.590804][ T4815] show_stack+0x2c/0x3c [ 82.591365][ T4815] __dump_stack+0x30/0x40 [ 82.591998][ T4815] dump_stack_lvl+0xf8/0x160 [ 82.592678][ T4815] dump_stack+0x1c/0x5c [ 82.593309][ T4815] sysfs_create_dir_ns+0x22c/0x24c [ 82.594123][ T4815] kobject_add_internal+0x5a8/0xb30 [ 82.594857][ T4815] kobject_init_and_add+0x118/0x17c [ 82.595642][ T4815] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.596312][ T4815] gfs2_fill_super+0xdec/0x19ec [ 82.597009][ T4815] get_tree_bdev+0x358/0x544 [ 82.597670][ T4815] gfs2_get_tree+0x54/0x1b4 [ 82.598266][ T4815] vfs_get_tree+0x90/0x274 [ 82.599050][ T4815] do_new_mount+0x228/0x810 [ 82.599805][ T4815] path_mount+0x5b4/0xe78 [ 82.600497][ T4815] __arm64_sys_mount+0x49c/0x584 [ 82.601275][ T4815] invoke_syscall+0x98/0x2bc [ 82.602020][ T4815] el0_svc_common+0x138/0x258 [ 82.602753][ T4815] do_el0_svc+0x58/0x13c [ 82.603534][ T4815] el0_svc+0x58/0x138 [ 82.604185][ T4815] el0t_64_sync_handler+0x84/0xf0 [ 82.604930][ T4815] el0t_64_sync+0x18c/0x190 [ 82.605821][ T4815] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.607788][ T4815] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.726830][ T4817] loop1: detected capacity change from 0 to 32768 [ 82.733418][ T4817] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.734601][ T4817] CPU: 1 PID: 4817 Comm: syz.1.159 Tainted: G W syzkaller #0 [ 82.735983][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.737444][ T4817] Call trace: [ 82.737900][ T4817] dump_backtrace+0x1c8/0x1f4 [ 82.738559][ T4817] show_stack+0x2c/0x3c [ 82.739148][ T4817] __dump_stack+0x30/0x40 [ 82.739849][ T4817] dump_stack_lvl+0xf8/0x160 [ 82.740604][ T4817] dump_stack+0x1c/0x5c [ 82.741269][ T4817] sysfs_create_dir_ns+0x22c/0x24c [ 82.742024][ T4817] kobject_add_internal+0x5a8/0xb30 [ 82.742849][ T4817] kobject_init_and_add+0x118/0x17c [ 82.743798][ T4817] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.744597][ T4817] gfs2_fill_super+0xdec/0x19ec [ 82.745283][ T4817] get_tree_bdev+0x358/0x544 [ 82.746038][ T4817] gfs2_get_tree+0x54/0x1b4 [ 82.746714][ T4817] vfs_get_tree+0x90/0x274 [ 82.747380][ T4817] do_new_mount+0x228/0x810 [ 82.748064][ T4817] path_mount+0x5b4/0xe78 [ 82.748700][ T4817] __arm64_sys_mount+0x49c/0x584 [ 82.749489][ T4817] invoke_syscall+0x98/0x2bc [ 82.750176][ T4817] el0_svc_common+0x138/0x258 [ 82.750869][ T4817] do_el0_svc+0x58/0x13c [ 82.751515][ T4817] el0_svc+0x58/0x138 [ 82.752123][ T4817] el0t_64_sync_handler+0x84/0xf0 [ 82.752927][ T4817] el0t_64_sync+0x18c/0x190 [ 82.755119][ T4817] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.756992][ T4817] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 82.876269][ T4819] loop1: detected capacity change from 0 to 32768 [ 82.877928][ T4819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 82.879183][ T4819] CPU: 0 PID: 4819 Comm: syz.1.160 Tainted: G W syzkaller #0 [ 82.880539][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 82.882001][ T4819] Call trace: [ 82.882474][ T4819] dump_backtrace+0x1c8/0x1f4 [ 82.883135][ T4819] show_stack+0x2c/0x3c [ 82.883688][ T4819] __dump_stack+0x30/0x40 [ 82.884345][ T4819] dump_stack_lvl+0xf8/0x160 [ 82.885026][ T4819] dump_stack+0x1c/0x5c [ 82.886011][ T4819] sysfs_create_dir_ns+0x22c/0x24c [ 82.886767][ T4819] kobject_add_internal+0x5a8/0xb30 [ 82.887554][ T4819] kobject_init_and_add+0x118/0x17c [ 82.888335][ T4819] gfs2_sys_fs_add+0x1dc/0x3d8 [ 82.889006][ T4819] gfs2_fill_super+0xdec/0x19ec [ 82.889737][ T4819] get_tree_bdev+0x358/0x544 [ 82.890390][ T4819] gfs2_get_tree+0x54/0x1b4 [ 82.891044][ T4819] vfs_get_tree+0x90/0x274 [ 82.891683][ T4819] do_new_mount+0x228/0x810 [ 82.892390][ T4819] path_mount+0x5b4/0xe78 [ 82.893082][ T4819] __arm64_sys_mount+0x49c/0x584 [ 82.893870][ T4819] invoke_syscall+0x98/0x2bc [ 82.894661][ T4819] el0_svc_common+0x138/0x258 [ 82.895407][ T4819] do_el0_svc+0x58/0x13c [ 82.896078][ T4819] el0_svc+0x58/0x138 [ 82.896698][ T4819] el0t_64_sync_handler+0x84/0xf0 [ 82.897477][ T4819] el0t_64_sync+0x18c/0x190 [ 82.898312][ T4819] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 82.900267][ T4819] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.018248][ T4821] loop1: detected capacity change from 0 to 32768 [ 83.020104][ T4821] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.021295][ T4821] CPU: 1 PID: 4821 Comm: syz.1.161 Tainted: G W syzkaller #0 [ 83.022607][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.024042][ T4821] Call trace: [ 83.024587][ T4821] dump_backtrace+0x1c8/0x1f4 [ 83.025281][ T4821] show_stack+0x2c/0x3c [ 83.025912][ T4821] __dump_stack+0x30/0x40 [ 83.026615][ T4821] dump_stack_lvl+0xf8/0x160 [ 83.027337][ T4821] dump_stack+0x1c/0x5c [ 83.027966][ T4821] sysfs_create_dir_ns+0x22c/0x24c [ 83.028796][ T4821] kobject_add_internal+0x5a8/0xb30 [ 83.029613][ T4821] kobject_init_and_add+0x118/0x17c [ 83.030433][ T4821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.031258][ T4821] gfs2_fill_super+0xdec/0x19ec [ 83.032025][ T4821] get_tree_bdev+0x358/0x544 [ 83.032759][ T4821] gfs2_get_tree+0x54/0x1b4 [ 83.033416][ T4821] vfs_get_tree+0x90/0x274 [ 83.034135][ T4821] do_new_mount+0x228/0x810 [ 83.034868][ T4821] path_mount+0x5b4/0xe78 [ 83.035612][ T4821] __arm64_sys_mount+0x49c/0x584 [ 83.036385][ T4821] invoke_syscall+0x98/0x2bc [ 83.037101][ T4821] el0_svc_common+0x138/0x258 [ 83.037804][ T4821] do_el0_svc+0x58/0x13c [ 83.038421][ T4821] el0_svc+0x58/0x138 [ 83.039050][ T4821] el0t_64_sync_handler+0x84/0xf0 [ 83.039828][ T4821] el0t_64_sync+0x18c/0x190 [ 83.041752][ T4821] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.043810][ T4821] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.162707][ T4823] loop1: detected capacity change from 0 to 32768 [ 83.168304][ T4823] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.170858][ T4823] CPU: 0 PID: 4823 Comm: syz.1.162 Tainted: G W syzkaller #0 [ 83.172187][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.173584][ T4823] Call trace: [ 83.174057][ T4823] dump_backtrace+0x1c8/0x1f4 [ 83.174789][ T4823] show_stack+0x2c/0x3c [ 83.175409][ T4823] __dump_stack+0x30/0x40 [ 83.176048][ T4823] dump_stack_lvl+0xf8/0x160 [ 83.176741][ T4823] dump_stack+0x1c/0x5c [ 83.177412][ T4823] sysfs_create_dir_ns+0x22c/0x24c [ 83.178233][ T4823] kobject_add_internal+0x5a8/0xb30 [ 83.179050][ T4823] kobject_init_and_add+0x118/0x17c [ 83.179901][ T4823] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.180593][ T4823] gfs2_fill_super+0xdec/0x19ec [ 83.181362][ T4823] get_tree_bdev+0x358/0x544 [ 83.182073][ T4823] gfs2_get_tree+0x54/0x1b4 [ 83.182748][ T4823] vfs_get_tree+0x90/0x274 [ 83.183527][ T4823] do_new_mount+0x228/0x810 [ 83.184184][ T4823] path_mount+0x5b4/0xe78 [ 83.184792][ T4823] __arm64_sys_mount+0x49c/0x584 [ 83.185553][ T4823] invoke_syscall+0x98/0x2bc [ 83.186254][ T4823] el0_svc_common+0x138/0x258 [ 83.186959][ T4823] do_el0_svc+0x58/0x13c [ 83.187598][ T4823] el0_svc+0x58/0x138 [ 83.188182][ T4823] el0t_64_sync_handler+0x84/0xf0 [ 83.188954][ T4823] el0t_64_sync+0x18c/0x190 [ 83.189855][ T4823] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.191814][ T4823] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.311928][ T4825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.313052][ T4825] CPU: 1 PID: 4825 Comm: syz.1.163 Tainted: G W syzkaller #0 [ 83.314267][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.315789][ T4825] Call trace: [ 83.316294][ T4825] dump_backtrace+0x1c8/0x1f4 [ 83.317010][ T4825] show_stack+0x2c/0x3c [ 83.317583][ T4825] __dump_stack+0x30/0x40 [ 83.318215][ T4825] dump_stack_lvl+0xf8/0x160 [ 83.318941][ T4825] dump_stack+0x1c/0x5c [ 83.319569][ T4825] sysfs_create_dir_ns+0x22c/0x24c [ 83.320336][ T4825] kobject_add_internal+0x5a8/0xb30 [ 83.321051][ T4825] kobject_init_and_add+0x118/0x17c [ 83.321789][ T4825] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.322580][ T4825] gfs2_fill_super+0xdec/0x19ec [ 83.323290][ T4825] get_tree_bdev+0x358/0x544 [ 83.324012][ T4825] gfs2_get_tree+0x54/0x1b4 [ 83.324649][ T4825] vfs_get_tree+0x90/0x274 [ 83.325350][ T4825] do_new_mount+0x228/0x810 [ 83.326041][ T4825] path_mount+0x5b4/0xe78 [ 83.326721][ T4825] __arm64_sys_mount+0x49c/0x584 [ 83.327459][ T4825] invoke_syscall+0x98/0x2bc [ 83.328177][ T4825] el0_svc_common+0x138/0x258 [ 83.328878][ T4825] do_el0_svc+0x58/0x13c [ 83.329498][ T4825] el0_svc+0x58/0x138 [ 83.330120][ T4825] el0t_64_sync_handler+0x84/0xf0 [ 83.330861][ T4825] el0t_64_sync+0x18c/0x190 [ 83.332838][ T4825] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.334750][ T4825] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.461704][ T4827] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.463023][ T4827] CPU: 1 PID: 4827 Comm: syz.1.164 Tainted: G W syzkaller #0 [ 83.464410][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.465939][ T4827] Call trace: [ 83.466445][ T4827] dump_backtrace+0x1c8/0x1f4 [ 83.467206][ T4827] show_stack+0x2c/0x3c [ 83.467897][ T4827] __dump_stack+0x30/0x40 [ 83.468649][ T4827] dump_stack_lvl+0xf8/0x160 [ 83.469475][ T4827] dump_stack+0x1c/0x5c [ 83.470221][ T4827] sysfs_create_dir_ns+0x22c/0x24c [ 83.471081][ T4827] kobject_add_internal+0x5a8/0xb30 [ 83.471969][ T4827] kobject_init_and_add+0x118/0x17c [ 83.472769][ T4827] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.473727][ T4827] gfs2_fill_super+0xdec/0x19ec [ 83.474561][ T4827] get_tree_bdev+0x358/0x544 [ 83.475283][ T4827] gfs2_get_tree+0x54/0x1b4 [ 83.475997][ T4827] vfs_get_tree+0x90/0x274 [ 83.476684][ T4827] do_new_mount+0x228/0x810 [ 83.477458][ T4827] path_mount+0x5b4/0xe78 [ 83.478159][ T4827] __arm64_sys_mount+0x49c/0x584 [ 83.478920][ T4827] invoke_syscall+0x98/0x2bc [ 83.479608][ T4827] el0_svc_common+0x138/0x258 [ 83.480303][ T4827] do_el0_svc+0x58/0x13c [ 83.480975][ T4827] el0_svc+0x58/0x138 [ 83.481619][ T4827] el0t_64_sync_handler+0x84/0xf0 [ 83.482374][ T4827] el0t_64_sync+0x18c/0x190 [ 83.484530][ T4827] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.486616][ T4827] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.619424][ T4829] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.620689][ T4829] CPU: 1 PID: 4829 Comm: syz.1.165 Tainted: G W syzkaller #0 [ 83.622100][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.623685][ T4829] Call trace: [ 83.624183][ T4829] dump_backtrace+0x1c8/0x1f4 [ 83.624918][ T4829] show_stack+0x2c/0x3c [ 83.625712][ T4829] __dump_stack+0x30/0x40 [ 83.626408][ T4829] dump_stack_lvl+0xf8/0x160 [ 83.627192][ T4829] dump_stack+0x1c/0x5c [ 83.627862][ T4829] sysfs_create_dir_ns+0x22c/0x24c [ 83.628706][ T4829] kobject_add_internal+0x5a8/0xb30 [ 83.629650][ T4829] kobject_init_and_add+0x118/0x17c [ 83.630504][ T4829] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.631303][ T4829] gfs2_fill_super+0xdec/0x19ec [ 83.632083][ T4829] get_tree_bdev+0x358/0x544 [ 83.632787][ T4829] gfs2_get_tree+0x54/0x1b4 [ 83.633476][ T4829] vfs_get_tree+0x90/0x274 [ 83.634177][ T4829] do_new_mount+0x228/0x810 [ 83.634845][ T4829] path_mount+0x5b4/0xe78 [ 83.635485][ T4829] __arm64_sys_mount+0x49c/0x584 [ 83.636261][ T4829] invoke_syscall+0x98/0x2bc [ 83.636940][ T4829] el0_svc_common+0x138/0x258 [ 83.637639][ T4829] do_el0_svc+0x58/0x13c [ 83.638312][ T4829] el0_svc+0x58/0x138 [ 83.638898][ T4829] el0t_64_sync_handler+0x84/0xf0 [ 83.639603][ T4829] el0t_64_sync+0x18c/0x190 [ 83.642628][ T4829] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.644642][ T4829] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.767367][ T4831] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.768616][ T4831] CPU: 1 PID: 4831 Comm: syz.1.166 Tainted: G W syzkaller #0 [ 83.769893][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.771430][ T4831] Call trace: [ 83.771898][ T4831] dump_backtrace+0x1c8/0x1f4 [ 83.772630][ T4831] show_stack+0x2c/0x3c [ 83.773260][ T4831] __dump_stack+0x30/0x40 [ 83.773923][ T4831] dump_stack_lvl+0xf8/0x160 [ 83.774648][ T4831] dump_stack+0x1c/0x5c [ 83.775225][ T4831] sysfs_create_dir_ns+0x22c/0x24c [ 83.775943][ T4831] kobject_add_internal+0x5a8/0xb30 [ 83.776704][ T4831] kobject_init_and_add+0x118/0x17c [ 83.777472][ T4831] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.778200][ T4831] gfs2_fill_super+0xdec/0x19ec [ 83.778886][ T4831] get_tree_bdev+0x358/0x544 [ 83.779579][ T4831] gfs2_get_tree+0x54/0x1b4 [ 83.780258][ T4831] vfs_get_tree+0x90/0x274 [ 83.780925][ T4831] do_new_mount+0x228/0x810 [ 83.781574][ T4831] path_mount+0x5b4/0xe78 [ 83.782253][ T4831] __arm64_sys_mount+0x49c/0x584 [ 83.782977][ T4831] invoke_syscall+0x98/0x2bc [ 83.783666][ T4831] el0_svc_common+0x138/0x258 [ 83.784285][ T4831] do_el0_svc+0x58/0x13c [ 83.784949][ T4831] el0_svc+0x58/0x138 [ 83.785559][ T4831] el0t_64_sync_handler+0x84/0xf0 [ 83.786320][ T4831] el0t_64_sync+0x18c/0x190 [ 83.788546][ T4831] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.790613][ T4831] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 83.912553][ T4833] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 83.913684][ T4833] CPU: 0 PID: 4833 Comm: syz.1.167 Tainted: G W syzkaller #0 [ 83.914988][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 83.916414][ T4833] Call trace: [ 83.916837][ T4833] dump_backtrace+0x1c8/0x1f4 [ 83.917549][ T4833] show_stack+0x2c/0x3c [ 83.918156][ T4833] __dump_stack+0x30/0x40 [ 83.918769][ T4833] dump_stack_lvl+0xf8/0x160 [ 83.919520][ T4833] dump_stack+0x1c/0x5c [ 83.920147][ T4833] sysfs_create_dir_ns+0x22c/0x24c [ 83.920907][ T4833] kobject_add_internal+0x5a8/0xb30 [ 83.921732][ T4833] kobject_init_and_add+0x118/0x17c [ 83.922508][ T4833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 83.923187][ T4833] gfs2_fill_super+0xdec/0x19ec [ 83.923923][ T4833] get_tree_bdev+0x358/0x544 [ 83.924608][ T4833] gfs2_get_tree+0x54/0x1b4 [ 83.925276][ T4833] vfs_get_tree+0x90/0x274 [ 83.925998][ T4833] do_new_mount+0x228/0x810 [ 83.926681][ T4833] path_mount+0x5b4/0xe78 [ 83.927289][ T4833] __arm64_sys_mount+0x49c/0x584 [ 83.928057][ T4833] invoke_syscall+0x98/0x2bc [ 83.928756][ T4833] el0_svc_common+0x138/0x258 [ 83.929442][ T4833] do_el0_svc+0x58/0x13c [ 83.930053][ T4833] el0_svc+0x58/0x138 [ 83.930627][ T4833] el0t_64_sync_handler+0x84/0xf0 [ 83.931378][ T4833] el0t_64_sync+0x18c/0x190 [ 83.932251][ T4833] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 83.934295][ T4833] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.059031][ T4835] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.060289][ T4835] CPU: 1 PID: 4835 Comm: syz.1.168 Tainted: G W syzkaller #0 [ 84.061620][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.063150][ T4835] Call trace: [ 84.063681][ T4835] dump_backtrace+0x1c8/0x1f4 [ 84.064385][ T4835] show_stack+0x2c/0x3c [ 84.065051][ T4835] __dump_stack+0x30/0x40 [ 84.065715][ T4835] dump_stack_lvl+0xf8/0x160 [ 84.066395][ T4835] dump_stack+0x1c/0x5c [ 84.067015][ T4835] sysfs_create_dir_ns+0x22c/0x24c [ 84.067806][ T4835] kobject_add_internal+0x5a8/0xb30 [ 84.068612][ T4835] kobject_init_and_add+0x118/0x17c [ 84.069424][ T4835] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.070135][ T4835] gfs2_fill_super+0xdec/0x19ec [ 84.070913][ T4835] get_tree_bdev+0x358/0x544 [ 84.071619][ T4835] gfs2_get_tree+0x54/0x1b4 [ 84.072341][ T4835] vfs_get_tree+0x90/0x274 [ 84.073051][ T4835] do_new_mount+0x228/0x810 [ 84.073713][ T4835] path_mount+0x5b4/0xe78 [ 84.074394][ T4835] __arm64_sys_mount+0x49c/0x584 [ 84.075148][ T4835] invoke_syscall+0x98/0x2bc [ 84.075783][ T4835] el0_svc_common+0x138/0x258 [ 84.076538][ T4835] do_el0_svc+0x58/0x13c [ 84.077182][ T4835] el0_svc+0x58/0x138 [ 84.077853][ T4835] el0t_64_sync_handler+0x84/0xf0 [ 84.078638][ T4835] el0t_64_sync+0x18c/0x190 [ 84.079585][ T4835] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.081501][ T4835] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.215021][ T4837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.216255][ T4837] CPU: 0 PID: 4837 Comm: syz.1.169 Tainted: G W syzkaller #0 [ 84.217618][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.219210][ T4837] Call trace: [ 84.219699][ T4837] dump_backtrace+0x1c8/0x1f4 [ 84.220415][ T4837] show_stack+0x2c/0x3c [ 84.221068][ T4837] __dump_stack+0x30/0x40 [ 84.221704][ T4837] dump_stack_lvl+0xf8/0x160 [ 84.222439][ T4837] dump_stack+0x1c/0x5c [ 84.223070][ T4837] sysfs_create_dir_ns+0x22c/0x24c [ 84.223872][ T4837] kobject_add_internal+0x5a8/0xb30 [ 84.224613][ T4837] kobject_init_and_add+0x118/0x17c [ 84.225365][ T4837] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.226056][ T4837] gfs2_fill_super+0xdec/0x19ec [ 84.226899][ T4837] get_tree_bdev+0x358/0x544 [ 84.227645][ T4837] gfs2_get_tree+0x54/0x1b4 [ 84.228349][ T4837] vfs_get_tree+0x90/0x274 [ 84.229022][ T4837] do_new_mount+0x228/0x810 [ 84.229836][ T4837] path_mount+0x5b4/0xe78 [ 84.230552][ T4837] __arm64_sys_mount+0x49c/0x584 [ 84.231347][ T4837] invoke_syscall+0x98/0x2bc [ 84.232104][ T4837] el0_svc_common+0x138/0x258 [ 84.232916][ T4837] do_el0_svc+0x58/0x13c [ 84.233627][ T4837] el0_svc+0x58/0x138 [ 84.234241][ T4837] el0t_64_sync_handler+0x84/0xf0 [ 84.234837][ T4837] el0t_64_sync+0x18c/0x190 [ 84.238522][ T4837] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.240578][ T4837] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.359628][ T4839] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.360832][ T4839] CPU: 0 PID: 4839 Comm: syz.1.170 Tainted: G W syzkaller #0 [ 84.362086][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.363455][ T4839] Call trace: [ 84.363956][ T4839] dump_backtrace+0x1c8/0x1f4 [ 84.364580][ T4839] show_stack+0x2c/0x3c [ 84.365126][ T4839] __dump_stack+0x30/0x40 [ 84.365785][ T4839] dump_stack_lvl+0xf8/0x160 [ 84.366505][ T4839] dump_stack+0x1c/0x5c [ 84.367166][ T4839] sysfs_create_dir_ns+0x22c/0x24c [ 84.367932][ T4839] kobject_add_internal+0x5a8/0xb30 [ 84.368744][ T4839] kobject_init_and_add+0x118/0x17c [ 84.369525][ T4839] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.370364][ T4839] gfs2_fill_super+0xdec/0x19ec [ 84.371140][ T4839] get_tree_bdev+0x358/0x544 [ 84.371872][ T4839] gfs2_get_tree+0x54/0x1b4 [ 84.372572][ T4839] vfs_get_tree+0x90/0x274 [ 84.373363][ T4839] do_new_mount+0x228/0x810 [ 84.374097][ T4839] path_mount+0x5b4/0xe78 [ 84.374872][ T4839] __arm64_sys_mount+0x49c/0x584 [ 84.375673][ T4839] invoke_syscall+0x98/0x2bc [ 84.376362][ T4839] el0_svc_common+0x138/0x258 [ 84.377212][ T4839] do_el0_svc+0x58/0x13c [ 84.377931][ T4839] el0_svc+0x58/0x138 [ 84.378490][ T4839] el0t_64_sync_handler+0x84/0xf0 [ 84.379250][ T4839] el0t_64_sync+0x18c/0x190 [ 84.381252][ T4839] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.382955][ T4839] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.508400][ T4841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.509635][ T4841] CPU: 1 PID: 4841 Comm: syz.1.171 Tainted: G W syzkaller #0 [ 84.511009][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.512447][ T4841] Call trace: [ 84.512879][ T4841] dump_backtrace+0x1c8/0x1f4 [ 84.513774][ T4841] show_stack+0x2c/0x3c [ 84.514374][ T4841] __dump_stack+0x30/0x40 [ 84.515016][ T4841] dump_stack_lvl+0xf8/0x160 [ 84.515683][ T4841] dump_stack+0x1c/0x5c [ 84.516351][ T4841] sysfs_create_dir_ns+0x22c/0x24c [ 84.517092][ T4841] kobject_add_internal+0x5a8/0xb30 [ 84.517826][ T4841] kobject_init_and_add+0x118/0x17c [ 84.518742][ T4841] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.519545][ T4841] gfs2_fill_super+0xdec/0x19ec [ 84.520379][ T4841] get_tree_bdev+0x358/0x544 [ 84.521134][ T4841] gfs2_get_tree+0x54/0x1b4 [ 84.521808][ T4841] vfs_get_tree+0x90/0x274 [ 84.522490][ T4841] do_new_mount+0x228/0x810 [ 84.523271][ T4841] path_mount+0x5b4/0xe78 [ 84.524006][ T4841] __arm64_sys_mount+0x49c/0x584 [ 84.524743][ T4841] invoke_syscall+0x98/0x2bc [ 84.525426][ T4841] el0_svc_common+0x138/0x258 [ 84.526172][ T4841] do_el0_svc+0x58/0x13c [ 84.526863][ T4841] el0_svc+0x58/0x138 [ 84.527457][ T4841] el0t_64_sync_handler+0x84/0xf0 [ 84.528202][ T4841] el0t_64_sync+0x18c/0x190 [ 84.529015][ T4841] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.530942][ T4841] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.655928][ T4843] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.657319][ T4843] CPU: 0 PID: 4843 Comm: syz.1.172 Tainted: G W syzkaller #0 [ 84.658648][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.660151][ T4843] Call trace: [ 84.660644][ T4843] dump_backtrace+0x1c8/0x1f4 [ 84.661273][ T4843] show_stack+0x2c/0x3c [ 84.661909][ T4843] __dump_stack+0x30/0x40 [ 84.662570][ T4843] dump_stack_lvl+0xf8/0x160 [ 84.663332][ T4843] dump_stack+0x1c/0x5c [ 84.664002][ T4843] sysfs_create_dir_ns+0x22c/0x24c [ 84.664735][ T4843] kobject_add_internal+0x5a8/0xb30 [ 84.665538][ T4843] kobject_init_and_add+0x118/0x17c [ 84.666408][ T4843] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.667114][ T4843] gfs2_fill_super+0xdec/0x19ec [ 84.667855][ T4843] get_tree_bdev+0x358/0x544 [ 84.668600][ T4843] gfs2_get_tree+0x54/0x1b4 [ 84.669329][ T4843] vfs_get_tree+0x90/0x274 [ 84.669887][ T4843] do_new_mount+0x228/0x810 [ 84.670554][ T4843] path_mount+0x5b4/0xe78 [ 84.671138][ T4843] __arm64_sys_mount+0x49c/0x584 [ 84.671833][ T4843] invoke_syscall+0x98/0x2bc [ 84.672536][ T4843] el0_svc_common+0x138/0x258 [ 84.673118][ T4843] do_el0_svc+0x58/0x13c [ 84.673756][ T4843] el0_svc+0x58/0x138 [ 84.674353][ T4843] el0t_64_sync_handler+0x84/0xf0 [ 84.675073][ T4843] el0t_64_sync+0x18c/0x190 [ 84.677384][ T4843] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.679378][ T4843] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.801152][ T4845] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.802434][ T4845] CPU: 1 PID: 4845 Comm: syz.1.173 Tainted: G W syzkaller #0 [ 84.804012][ T4845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.805521][ T4845] Call trace: [ 84.806032][ T4845] dump_backtrace+0x1c8/0x1f4 [ 84.806714][ T4845] show_stack+0x2c/0x3c [ 84.807325][ T4845] __dump_stack+0x30/0x40 [ 84.808200][ T4845] dump_stack_lvl+0xf8/0x160 [ 84.808914][ T4845] dump_stack+0x1c/0x5c [ 84.809620][ T4845] sysfs_create_dir_ns+0x22c/0x24c [ 84.810488][ T4845] kobject_add_internal+0x5a8/0xb30 [ 84.811409][ T4845] kobject_init_and_add+0x118/0x17c [ 84.812224][ T4845] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.812990][ T4845] gfs2_fill_super+0xdec/0x19ec [ 84.813788][ T4845] get_tree_bdev+0x358/0x544 [ 84.814512][ T4845] gfs2_get_tree+0x54/0x1b4 [ 84.815279][ T4845] vfs_get_tree+0x90/0x274 [ 84.816004][ T4845] do_new_mount+0x228/0x810 [ 84.816718][ T4845] path_mount+0x5b4/0xe78 [ 84.817419][ T4845] __arm64_sys_mount+0x49c/0x584 [ 84.818187][ T4845] invoke_syscall+0x98/0x2bc [ 84.818882][ T4845] el0_svc_common+0x138/0x258 [ 84.819707][ T4845] do_el0_svc+0x58/0x13c [ 84.820365][ T4845] el0_svc+0x58/0x138 [ 84.820951][ T4845] el0t_64_sync_handler+0x84/0xf0 [ 84.821820][ T4845] el0t_64_sync+0x18c/0x190 [ 84.822670][ T4845] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.824588][ T4845] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 84.950422][ T4847] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 84.951633][ T4847] CPU: 1 PID: 4847 Comm: syz.1.174 Tainted: G W syzkaller #0 [ 84.952997][ T4847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 84.954482][ T4847] Call trace: [ 84.954972][ T4847] dump_backtrace+0x1c8/0x1f4 [ 84.955677][ T4847] show_stack+0x2c/0x3c [ 84.956330][ T4847] __dump_stack+0x30/0x40 [ 84.956986][ T4847] dump_stack_lvl+0xf8/0x160 [ 84.957643][ T4847] dump_stack+0x1c/0x5c [ 84.958302][ T4847] sysfs_create_dir_ns+0x22c/0x24c [ 84.959099][ T4847] kobject_add_internal+0x5a8/0xb30 [ 84.959881][ T4847] kobject_init_and_add+0x118/0x17c [ 84.960726][ T4847] gfs2_sys_fs_add+0x1dc/0x3d8 [ 84.961471][ T4847] gfs2_fill_super+0xdec/0x19ec [ 84.962237][ T4847] get_tree_bdev+0x358/0x544 [ 84.962966][ T4847] gfs2_get_tree+0x54/0x1b4 [ 84.963651][ T4847] vfs_get_tree+0x90/0x274 [ 84.964295][ T4847] do_new_mount+0x228/0x810 [ 84.964978][ T4847] path_mount+0x5b4/0xe78 [ 84.965616][ T4847] __arm64_sys_mount+0x49c/0x584 [ 84.966350][ T4847] invoke_syscall+0x98/0x2bc [ 84.967057][ T4847] el0_svc_common+0x138/0x258 [ 84.967804][ T4847] do_el0_svc+0x58/0x13c [ 84.968515][ T4847] el0_svc+0x58/0x138 [ 84.969079][ T4847] el0t_64_sync_handler+0x84/0xf0 [ 84.969840][ T4847] el0t_64_sync+0x18c/0x190 [ 84.970637][ T4847] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 84.972528][ T4847] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.095853][ T4849] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.097054][ T4849] CPU: 0 PID: 4849 Comm: syz.1.175 Tainted: G W syzkaller #0 [ 85.098252][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.099673][ T4849] Call trace: [ 85.100177][ T4849] dump_backtrace+0x1c8/0x1f4 [ 85.100857][ T4849] show_stack+0x2c/0x3c [ 85.101502][ T4849] __dump_stack+0x30/0x40 [ 85.102163][ T4849] dump_stack_lvl+0xf8/0x160 [ 85.102824][ T4849] dump_stack+0x1c/0x5c [ 85.103427][ T4849] sysfs_create_dir_ns+0x22c/0x24c [ 85.104141][ T4849] kobject_add_internal+0x5a8/0xb30 [ 85.104884][ T4849] kobject_init_and_add+0x118/0x17c [ 85.105595][ T4849] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.106265][ T4849] gfs2_fill_super+0xdec/0x19ec [ 85.106977][ T4849] get_tree_bdev+0x358/0x544 [ 85.107596][ T4849] gfs2_get_tree+0x54/0x1b4 [ 85.108327][ T4849] vfs_get_tree+0x90/0x274 [ 85.108997][ T4849] do_new_mount+0x228/0x810 [ 85.109610][ T4849] path_mount+0x5b4/0xe78 [ 85.110244][ T4849] __arm64_sys_mount+0x49c/0x584 [ 85.110969][ T4849] invoke_syscall+0x98/0x2bc [ 85.111690][ T4849] el0_svc_common+0x138/0x258 [ 85.112378][ T4849] do_el0_svc+0x58/0x13c [ 85.113081][ T4849] el0_svc+0x58/0x138 [ 85.113634][ T4849] el0t_64_sync_handler+0x84/0xf0 [ 85.114380][ T4849] el0t_64_sync+0x18c/0x190 [ 85.116487][ T4849] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.118306][ T4849] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.275861][ T4851] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.277107][ T4851] CPU: 0 PID: 4851 Comm: syz.1.176 Tainted: G W syzkaller #0 [ 85.278381][ T4851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.279980][ T4851] Call trace: [ 85.280491][ T4851] dump_backtrace+0x1c8/0x1f4 [ 85.281168][ T4851] show_stack+0x2c/0x3c [ 85.281734][ T4851] __dump_stack+0x30/0x40 [ 85.282303][ T4851] dump_stack_lvl+0xf8/0x160 [ 85.282988][ T4851] dump_stack+0x1c/0x5c [ 85.283653][ T4851] sysfs_create_dir_ns+0x22c/0x24c [ 85.284577][ T4851] kobject_add_internal+0x5a8/0xb30 [ 85.285402][ T4851] kobject_init_and_add+0x118/0x17c [ 85.286177][ T4851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.286864][ T4851] gfs2_fill_super+0xdec/0x19ec [ 85.287571][ T4851] get_tree_bdev+0x358/0x544 [ 85.288247][ T4851] gfs2_get_tree+0x54/0x1b4 [ 85.289001][ T4851] vfs_get_tree+0x90/0x274 [ 85.289703][ T4851] do_new_mount+0x228/0x810 [ 85.290374][ T4851] path_mount+0x5b4/0xe78 [ 85.291031][ T4851] __arm64_sys_mount+0x49c/0x584 [ 85.291745][ T4851] invoke_syscall+0x98/0x2bc [ 85.292416][ T4851] el0_svc_common+0x138/0x258 [ 85.293056][ T4851] do_el0_svc+0x58/0x13c [ 85.293722][ T4851] el0_svc+0x58/0x138 [ 85.294303][ T4851] el0t_64_sync_handler+0x84/0xf0 [ 85.295114][ T4851] el0t_64_sync+0x18c/0x190 [ 85.297280][ T4851] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.299622][ T4851] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.436324][ T4853] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.437547][ T4853] CPU: 1 PID: 4853 Comm: syz.1.177 Tainted: G W syzkaller #0 [ 85.438894][ T4853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.440389][ T4853] Call trace: [ 85.440893][ T4853] dump_backtrace+0x1c8/0x1f4 [ 85.441605][ T4853] show_stack+0x2c/0x3c [ 85.442292][ T4853] __dump_stack+0x30/0x40 [ 85.442931][ T4853] dump_stack_lvl+0xf8/0x160 [ 85.443692][ T4853] dump_stack+0x1c/0x5c [ 85.444302][ T4853] sysfs_create_dir_ns+0x22c/0x24c [ 85.445028][ T4853] kobject_add_internal+0x5a8/0xb30 [ 85.445862][ T4853] kobject_init_and_add+0x118/0x17c [ 85.446612][ T4853] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.447323][ T4853] gfs2_fill_super+0xdec/0x19ec [ 85.448042][ T4853] get_tree_bdev+0x358/0x544 [ 85.448695][ T4853] gfs2_get_tree+0x54/0x1b4 [ 85.449474][ T4853] vfs_get_tree+0x90/0x274 [ 85.450120][ T4853] do_new_mount+0x228/0x810 [ 85.450746][ T4853] path_mount+0x5b4/0xe78 [ 85.451407][ T4853] __arm64_sys_mount+0x49c/0x584 [ 85.452155][ T4853] invoke_syscall+0x98/0x2bc [ 85.452855][ T4853] el0_svc_common+0x138/0x258 [ 85.453511][ T4853] do_el0_svc+0x58/0x13c [ 85.454086][ T4853] el0_svc+0x58/0x138 [ 85.454642][ T4853] el0t_64_sync_handler+0x84/0xf0 [ 85.455376][ T4853] el0t_64_sync+0x18c/0x190 [ 85.458036][ T4853] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.460315][ T4853] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.589765][ T4855] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.590962][ T4855] CPU: 1 PID: 4855 Comm: syz.1.178 Tainted: G W syzkaller #0 [ 85.592278][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.593774][ T4855] Call trace: [ 85.594271][ T4855] dump_backtrace+0x1c8/0x1f4 [ 85.595020][ T4855] show_stack+0x2c/0x3c [ 85.595707][ T4855] __dump_stack+0x30/0x40 [ 85.596363][ T4855] dump_stack_lvl+0xf8/0x160 [ 85.597004][ T4855] dump_stack+0x1c/0x5c [ 85.597606][ T4855] sysfs_create_dir_ns+0x22c/0x24c [ 85.598377][ T4855] kobject_add_internal+0x5a8/0xb30 [ 85.599150][ T4855] kobject_init_and_add+0x118/0x17c [ 85.599917][ T4855] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.600643][ T4855] gfs2_fill_super+0xdec/0x19ec [ 85.601377][ T4855] get_tree_bdev+0x358/0x544 [ 85.602084][ T4855] gfs2_get_tree+0x54/0x1b4 [ 85.602762][ T4855] vfs_get_tree+0x90/0x274 [ 85.603455][ T4855] do_new_mount+0x228/0x810 [ 85.604092][ T4855] path_mount+0x5b4/0xe78 [ 85.604781][ T4855] __arm64_sys_mount+0x49c/0x584 [ 85.605562][ T4855] invoke_syscall+0x98/0x2bc [ 85.606264][ T4855] el0_svc_common+0x138/0x258 [ 85.606984][ T4855] do_el0_svc+0x58/0x13c [ 85.607679][ T4855] el0_svc+0x58/0x138 [ 85.608368][ T4855] el0t_64_sync_handler+0x84/0xf0 [ 85.609236][ T4855] el0t_64_sync+0x18c/0x190 [ 85.610211][ T4855] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.612082][ T4855] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 85.743976][ T4857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 85.745199][ T4857] CPU: 1 PID: 4857 Comm: syz.1.179 Tainted: G W syzkaller #0 [ 85.746531][ T4857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 85.748029][ T4857] Call trace: [ 85.748505][ T4857] dump_backtrace+0x1c8/0x1f4 [ 85.749194][ T4857] show_stack+0x2c/0x3c [ 85.749788][ T4857] __dump_stack+0x30/0x40 [ 85.750426][ T4857] dump_stack_lvl+0xf8/0x160 [ 85.751141][ T4857] dump_stack+0x1c/0x5c [ 85.751752][ T4857] sysfs_create_dir_ns+0x22c/0x24c [ 85.752525][ T4857] kobject_add_internal+0x5a8/0xb30 [ 85.753377][ T4857] kobject_init_and_add+0x118/0x17c [ 85.754106][ T4857] gfs2_sys_fs_add+0x1dc/0x3d8 [ 85.754810][ T4857] gfs2_fill_super+0xdec/0x19ec [ 85.755527][ T4857] get_tree_bdev+0x358/0x544 [ 85.756214][ T4857] gfs2_get_tree+0x54/0x1b4 [ 85.756877][ T4857] vfs_get_tree+0x90/0x274 [ 85.757564][ T4857] do_new_mount+0x228/0x810 [ 85.758184][ T4857] path_mount+0x5b4/0xe78 [ 85.758919][ T4857] __arm64_sys_mount+0x49c/0x584 [ 85.759664][ T4857] invoke_syscall+0x98/0x2bc [ 85.760335][ T4857] el0_svc_common+0x138/0x258 [ 85.761161][ T4857] do_el0_svc+0x58/0x13c [ 85.761762][ T4857] el0_svc+0x58/0x138 [ 85.762405][ T4857] el0t_64_sync_handler+0x84/0xf0 [ 85.763199][ T4857] el0t_64_sync+0x18c/0x190 [ 85.764080][ T4857] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 85.766007][ T4857] gfs2: fsid=syz:syz: error -17 adding sysfs files