214.889458][ T6204] Call trace: [ 214.889950][ T6204] dump_backtrace+0x0/0x458 [ 214.890716][ T6204] show_stack+0x2c/0x3c [ 214.891360][ T6204] __dump_stack+0x30/0x40 [ 214.892059][ T6204] dump_stack_lvl+0xf4/0x15c [ 214.892811][ T6204] dump_stack+0x1c/0x5c [ 214.893467][ T6204] sysfs_create_dir_ns+0x244/0x264 [ 214.894296][ T6204] kobject_add_internal+0x5ac/0xc3c [ 214.895248][ T6204] kobject_init_and_add+0x124/0x190 [ 214.896087][ T6204] gfs2_sys_fs_add+0x200/0x41c [ 214.896881][ T6204] gfs2_fill_super+0xddc/0x1a18 [ 214.897647][ T6204] get_tree_bdev+0x358/0x544 [ 214.898408][ T6204] gfs2_get_tree+0x54/0x1b4 [ 214.899171][ T6204] vfs_get_tree+0x90/0x274 [ 214.899890][ T6204] do_new_mount+0x228/0x810 [ 214.900594][ T6204] path_mount+0x5bc/0x1008 [ 214.901222][ T6204] __arm64_sys_mount+0x514/0x5f0 [ 214.902064][ T6204] invoke_syscall+0x98/0x2b0 [ 214.902826][ T6204] el0_svc_common+0x138/0x258 [ 214.903524][ T6204] do_el0_svc+0x58/0x13c [ 214.904206][ T6204] el0_svc+0x78/0x1d0 [ 214.904872][ T6204] el0t_64_sync_handler+0xcc/0xe4 [ 214.905682][ T6204] el0t_64_sync+0x1a0/0x1a4 [ 214.908534][ T6204] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.910461][ T6204] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.059518][ T6206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.061557][ T6206] CPU: 1 PID: 6206 Comm: syz.1.625 Not tainted syzkaller #0 [ 215.062614][ T6206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.064399][ T6206] Call trace: [ 215.064870][ T6206] dump_backtrace+0x0/0x458 [ 215.065573][ T6206] show_stack+0x2c/0x3c [ 215.066284][ T6206] __dump_stack+0x30/0x40 [ 215.067051][ T6206] dump_stack_lvl+0xf4/0x15c [ 215.067790][ T6206] dump_stack+0x1c/0x5c [ 215.068499][ T6206] sysfs_create_dir_ns+0x244/0x264 [ 215.069405][ T6206] kobject_add_internal+0x5ac/0xc3c [ 215.070261][ T6206] kobject_init_and_add+0x124/0x190 [ 215.071067][ T6206] gfs2_sys_fs_add+0x200/0x41c [ 215.071833][ T6206] gfs2_fill_super+0xddc/0x1a18 [ 215.072595][ T6206] get_tree_bdev+0x358/0x544 [ 215.073370][ T6206] gfs2_get_tree+0x54/0x1b4 [ 215.074148][ T6206] vfs_get_tree+0x90/0x274 [ 215.074882][ T6206] do_new_mount+0x228/0x810 [ 215.075671][ T6206] path_mount+0x5bc/0x1008 [ 215.076427][ T6206] __arm64_sys_mount+0x514/0x5f0 [ 215.077290][ T6206] invoke_syscall+0x98/0x2b0 [ 215.078060][ T6206] el0_svc_common+0x138/0x258 [ 215.078841][ T6206] do_el0_svc+0x58/0x13c [ 215.079657][ T6206] el0_svc+0x78/0x1d0 [ 215.080346][ T6206] el0t_64_sync_handler+0xcc/0xe4 [ 215.081201][ T6206] el0t_64_sync+0x1a0/0x1a4 [ 215.082369][ T6206] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.084457][ T6206] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.264021][ T6208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.265270][ T6208] CPU: 1 PID: 6208 Comm: syz.1.626 Not tainted syzkaller #0 [ 215.266491][ T6208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.268188][ T6208] Call trace: [ 215.268733][ T6208] dump_backtrace+0x0/0x458 [ 215.269473][ T6208] show_stack+0x2c/0x3c [ 215.270149][ T6208] __dump_stack+0x30/0x40 [ 215.270843][ T6208] dump_stack_lvl+0xf4/0x15c [ 215.271606][ T6208] dump_stack+0x1c/0x5c [ 215.272333][ T6208] sysfs_create_dir_ns+0x244/0x264 [ 215.273181][ T6208] kobject_add_internal+0x5ac/0xc3c [ 215.274034][ T6208] kobject_init_and_add+0x124/0x190 [ 215.274877][ T6208] gfs2_sys_fs_add+0x200/0x41c [ 215.275599][ T6208] gfs2_fill_super+0xddc/0x1a18 [ 215.276336][ T6208] get_tree_bdev+0x358/0x544 [ 215.277095][ T6208] gfs2_get_tree+0x54/0x1b4 [ 215.277801][ T6208] vfs_get_tree+0x90/0x274 [ 215.278512][ T6208] do_new_mount+0x228/0x810 [ 215.279231][ T6208] path_mount+0x5bc/0x1008 [ 215.279869][ T6208] __arm64_sys_mount+0x514/0x5f0 [ 215.280634][ T6208] invoke_syscall+0x98/0x2b0 [ 215.281373][ T6208] el0_svc_common+0x138/0x258 [ 215.282158][ T6208] do_el0_svc+0x58/0x13c [ 215.282887][ T6208] el0_svc+0x78/0x1d0 [ 215.283504][ T6208] el0t_64_sync_handler+0xcc/0xe4 [ 215.284354][ T6208] el0t_64_sync+0x1a0/0x1a4 [ 215.286924][ T6208] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.289147][ T6208] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 613 [ 215.425522][ T6210] set_capacity_and_notify: 8 callbacks suppressed [ 215.425533][ T6210] loop1: detected capacity change from 0 to 32768 [ 215.472154][ T6210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.473386][ T6210] CPU: 0 PID: 6210 Comm: syz.1.627 Not tainted syzkaller #0 [ 215.474689][ T6210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.476407][ T6210] Call trace: [ 215.476943][ T6210] dump_backtrace+0x0/0x458 [ 215.477680][ T6210] show_stack+0x2c/0x3c [ 215.478328][ T6210] __dump_stack+0x30/0x40 [ 215.479084][ T6210] dump_stack_lvl+0xf4/0x15c [ 215.479853][ T6210] dump_stack+0x1c/0x5c [ 215.480503][ T6210] sysfs_create_dir_ns+0x244/0x264 [ 215.481340][ T6210] kobject_add_internal+0x5ac/0xc3c [ 215.482268][ T6210] kobject_init_and_add+0x124/0x190 [ 215.483027][ T6210] gfs2_sys_fs_add+0x200/0x41c [ 215.483810][ T6210] gfs2_fill_super+0xddc/0x1a18 [ 215.484694][ T6210] get_tree_bdev+0x358/0x544 [ 215.485409][ T6210] gfs2_get_tree+0x54/0x1b4 [ 215.486117][ T6210] vfs_get_tree+0x90/0x274 [ 215.486808][ T6210] do_new_mount+0x228/0x810 [ 215.487534][ T6210] path_mount+0x5bc/0x1008 [ 215.488239][ T6210] __arm64_sys_mount+0x514/0x5f0 [ 215.489082][ T6210] invoke_syscall+0x98/0x2b0 [ 215.489864][ T6210] el0_svc_common+0x138/0x258 [ 215.490652][ T6210] do_el0_svc+0x58/0x13c [ 215.491366][ T6210] el0_svc+0x78/0x1d0 [ 215.492032][ T6210] el0t_64_sync_handler+0xcc/0xe4 [ 215.492815][ T6210] el0t_64_sync+0x1a0/0x1a4 [ 215.495214][ T6210] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.497172][ T6210] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.659140][ T6212] loop1: detected capacity change from 0 to 32768 [ 215.666814][ T6212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.667957][ T6212] CPU: 1 PID: 6212 Comm: syz.1.628 Not tainted syzkaller #0 [ 215.669076][ T6212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.670599][ T6212] Call trace: [ 215.671171][ T6212] dump_backtrace+0x0/0x458 [ 215.671937][ T6212] show_stack+0x2c/0x3c [ 215.672592][ T6212] __dump_stack+0x30/0x40 [ 215.673254][ T6212] dump_stack_lvl+0xf4/0x15c [ 215.673943][ T6212] dump_stack+0x1c/0x5c [ 215.674628][ T6212] sysfs_create_dir_ns+0x244/0x264 [ 215.675468][ T6212] kobject_add_internal+0x5ac/0xc3c [ 215.676293][ T6212] kobject_init_and_add+0x124/0x190 [ 215.677144][ T6212] gfs2_sys_fs_add+0x200/0x41c [ 215.677899][ T6212] gfs2_fill_super+0xddc/0x1a18 [ 215.678754][ T6212] get_tree_bdev+0x358/0x544 [ 215.679537][ T6212] gfs2_get_tree+0x54/0x1b4 [ 215.680304][ T6212] vfs_get_tree+0x90/0x274 [ 215.681063][ T6212] do_new_mount+0x228/0x810 [ 215.681830][ T6212] path_mount+0x5bc/0x1008 [ 215.682526][ T6212] __arm64_sys_mount+0x514/0x5f0 [ 215.683301][ T6212] invoke_syscall+0x98/0x2b0 [ 215.684009][ T6212] el0_svc_common+0x138/0x258 [ 215.684708][ T6212] do_el0_svc+0x58/0x13c [ 215.685372][ T6212] el0_svc+0x78/0x1d0 [ 215.685997][ T6212] el0t_64_sync_handler+0xcc/0xe4 [ 215.686784][ T6212] el0t_64_sync+0x1a0/0x1a4 [ 215.689179][ T6212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.692596][ T6212] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.843632][ T6214] loop1: detected capacity change from 0 to 32768 [ 215.890734][ T6214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.893737][ T6214] CPU: 1 PID: 6214 Comm: syz.1.629 Not tainted syzkaller #0 [ 215.894945][ T6214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 215.896737][ T6214] Call trace: [ 215.897290][ T6214] dump_backtrace+0x0/0x458 [ 215.898010][ T6214] show_stack+0x2c/0x3c [ 215.898690][ T6214] __dump_stack+0x30/0x40 [ 215.899463][ T6214] dump_stack_lvl+0xf4/0x15c [ 215.900192][ T6214] dump_stack+0x1c/0x5c [ 215.900946][ T6214] sysfs_create_dir_ns+0x244/0x264 [ 215.901821][ T6214] kobject_add_internal+0x5ac/0xc3c [ 215.902679][ T6214] kobject_init_and_add+0x124/0x190 [ 215.903627][ T6214] gfs2_sys_fs_add+0x200/0x41c [ 215.904422][ T6214] gfs2_fill_super+0xddc/0x1a18 [ 215.905224][ T6214] get_tree_bdev+0x358/0x544 [ 215.905938][ T6214] gfs2_get_tree+0x54/0x1b4 [ 215.906626][ T6214] vfs_get_tree+0x90/0x274 [ 215.907371][ T6214] do_new_mount+0x228/0x810 [ 215.908184][ T6214] path_mount+0x5bc/0x1008 [ 215.908960][ T6214] __arm64_sys_mount+0x514/0x5f0 [ 215.909761][ T6214] invoke_syscall+0x98/0x2b0 [ 215.910577][ T6214] el0_svc_common+0x138/0x258 [ 215.911376][ T6214] do_el0_svc+0x58/0x13c [ 215.912102][ T6214] el0_svc+0x78/0x1d0 [ 215.912747][ T6214] el0t_64_sync_handler+0xcc/0xe4 [ 215.913534][ T6214] el0t_64_sync+0x1a0/0x1a4 [ 215.914537][ T6214] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.916666][ T6214] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.931313][ T4160] Bluetooth: hci2: command 0x041b tx timeout [ 216.056058][ T6216] loop1: detected capacity change from 0 to 32768 [ 216.062023][ T6216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.063223][ T6216] CPU: 1 PID: 6216 Comm: syz.1.630 Not tainted syzkaller #0 [ 216.064413][ T6216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.066002][ T6216] Call trace: [ 216.066517][ T6216] dump_backtrace+0x0/0x458 [ 216.067237][ T6216] show_stack+0x2c/0x3c [ 216.067897][ T6216] __dump_stack+0x30/0x40 [ 216.068562][ T6216] dump_stack_lvl+0xf4/0x15c [ 216.069280][ T6216] dump_stack+0x1c/0x5c [ 216.069916][ T6216] sysfs_create_dir_ns+0x244/0x264 [ 216.070706][ T6216] kobject_add_internal+0x5ac/0xc3c [ 216.071571][ T6216] kobject_init_and_add+0x124/0x190 [ 216.072489][ T6216] gfs2_sys_fs_add+0x200/0x41c [ 216.073258][ T6216] gfs2_fill_super+0xddc/0x1a18 [ 216.074074][ T6216] get_tree_bdev+0x358/0x544 [ 216.074850][ T6216] gfs2_get_tree+0x54/0x1b4 [ 216.075612][ T6216] vfs_get_tree+0x90/0x274 [ 216.076309][ T6216] do_new_mount+0x228/0x810 [ 216.077037][ T6216] path_mount+0x5bc/0x1008 [ 216.077774][ T6216] __arm64_sys_mount+0x514/0x5f0 [ 216.078571][ T6216] invoke_syscall+0x98/0x2b0 [ 216.079313][ T6216] el0_svc_common+0x138/0x258 [ 216.079997][ T6216] do_el0_svc+0x58/0x13c [ 216.080588][ T6216] el0_svc+0x78/0x1d0 [ 216.081214][ T6216] el0t_64_sync_handler+0xcc/0xe4 [ 216.082058][ T6216] el0t_64_sync+0x1a0/0x1a4 [ 216.083134][ T6216] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.085047][ T6216] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.297295][ T6218] loop1: detected capacity change from 0 to 32768 [ 216.337016][ T6218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.338146][ T6218] CPU: 0 PID: 6218 Comm: syz.1.631 Not tainted syzkaller #0 [ 216.339164][ T6218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.340540][ T6218] Call trace: [ 216.341011][ T6218] dump_backtrace+0x0/0x458 [ 216.341674][ T6218] show_stack+0x2c/0x3c [ 216.342327][ T6218] __dump_stack+0x30/0x40 [ 216.342986][ T6218] dump_stack_lvl+0xf4/0x15c [ 216.343711][ T6218] dump_stack+0x1c/0x5c [ 216.344370][ T6218] sysfs_create_dir_ns+0x244/0x264 [ 216.345118][ T6218] kobject_add_internal+0x5ac/0xc3c [ 216.345950][ T6218] kobject_init_and_add+0x124/0x190 [ 216.346767][ T6218] gfs2_sys_fs_add+0x200/0x41c [ 216.347515][ T6218] gfs2_fill_super+0xddc/0x1a18 [ 216.348232][ T6218] get_tree_bdev+0x358/0x544 [ 216.348940][ T6218] gfs2_get_tree+0x54/0x1b4 [ 216.349612][ T6218] vfs_get_tree+0x90/0x274 [ 216.350237][ T6218] do_new_mount+0x228/0x810 [ 216.350929][ T6218] path_mount+0x5bc/0x1008 [ 216.351621][ T6218] __arm64_sys_mount+0x514/0x5f0 [ 216.352415][ T6218] invoke_syscall+0x98/0x2b0 [ 216.353137][ T6218] el0_svc_common+0x138/0x258 [ 216.353921][ T6218] do_el0_svc+0x58/0x13c [ 216.354575][ T6218] el0_svc+0x78/0x1d0 [ 216.355234][ T6218] el0t_64_sync_handler+0xcc/0xe4 [ 216.356040][ T6218] el0t_64_sync+0x1a0/0x1a4 [ 216.358230][ T6218] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.360282][ T6218] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.494619][ T6220] loop1: detected capacity change from 0 to 32768 [ 216.537391][ T6220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.538574][ T6220] CPU: 0 PID: 6220 Comm: syz.1.632 Not tainted syzkaller #0 [ 216.539662][ T6220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.541212][ T6220] Call trace: [ 216.541699][ T6220] dump_backtrace+0x0/0x458 [ 216.542412][ T6220] show_stack+0x2c/0x3c [ 216.543040][ T6220] __dump_stack+0x30/0x40 [ 216.543770][ T6220] dump_stack_lvl+0xf4/0x15c [ 216.544445][ T6220] dump_stack+0x1c/0x5c [ 216.545158][ T6220] sysfs_create_dir_ns+0x244/0x264 [ 216.546040][ T6220] kobject_add_internal+0x5ac/0xc3c [ 216.546879][ T6220] kobject_init_and_add+0x124/0x190 [ 216.547682][ T6220] gfs2_sys_fs_add+0x200/0x41c [ 216.548478][ T6220] gfs2_fill_super+0xddc/0x1a18 [ 216.549286][ T6220] get_tree_bdev+0x358/0x544 [ 216.550010][ T6220] gfs2_get_tree+0x54/0x1b4 [ 216.550696][ T6220] vfs_get_tree+0x90/0x274 [ 216.551389][ T6220] do_new_mount+0x228/0x810 [ 216.552058][ T6220] path_mount+0x5bc/0x1008 [ 216.552730][ T6220] __arm64_sys_mount+0x514/0x5f0 [ 216.553454][ T6220] invoke_syscall+0x98/0x2b0 [ 216.554172][ T6220] el0_svc_common+0x138/0x258 [ 216.554901][ T6220] do_el0_svc+0x58/0x13c [ 216.555616][ T6220] el0_svc+0x78/0x1d0 [ 216.556257][ T6220] el0t_64_sync_handler+0xcc/0xe4 [ 216.557080][ T6220] el0t_64_sync+0x1a0/0x1a4 [ 216.559200][ T6220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.561427][ T6220] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.691874][ T6222] loop1: detected capacity change from 0 to 32768 [ 216.794164][ T6222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.795387][ T6222] CPU: 1 PID: 6222 Comm: syz.1.633 Not tainted syzkaller #0 [ 216.796490][ T6222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 216.798169][ T6222] Call trace: [ 216.798705][ T6222] dump_backtrace+0x0/0x458 [ 216.799405][ T6222] show_stack+0x2c/0x3c [ 216.799993][ T6222] __dump_stack+0x30/0x40 [ 216.800694][ T6222] dump_stack_lvl+0xf4/0x15c [ 216.801518][ T6222] dump_stack+0x1c/0x5c [ 216.802255][ T6222] sysfs_create_dir_ns+0x244/0x264 [ 216.803168][ T6222] kobject_add_internal+0x5ac/0xc3c [ 216.804004][ T6222] kobject_init_and_add+0x124/0x190 [ 216.804844][ T6222] gfs2_sys_fs_add+0x200/0x41c [ 216.805710][ T6222] gfs2_fill_super+0xddc/0x1a18 [ 216.806558][ T6222] get_tree_bdev+0x358/0x544 [ 216.807336][ T6222] gfs2_get_tree+0x54/0x1b4 [ 216.808132][ T6222] vfs_get_tree+0x90/0x274 [ 216.808888][ T6222] do_new_mount+0x228/0x810 [ 216.809648][ T6222] path_mount+0x5bc/0x1008 [ 216.810389][ T6222] __arm64_sys_mount+0x514/0x5f0 [ 216.811213][ T6222] invoke_syscall+0x98/0x2b0 [ 216.811999][ T6222] el0_svc_common+0x138/0x258 [ 216.812793][ T6222] do_el0_svc+0x58/0x13c [ 216.813425][ T6222] el0_svc+0x78/0x1d0 [ 216.814019][ T6222] el0t_64_sync_handler+0xcc/0xe4 [ 216.814829][ T6222] el0t_64_sync+0x1a0/0x1a4 [ 216.815983][ T6222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.818105][ T6222] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.954687][ T6224] loop1: detected capacity change from 0 to 32768 [ 217.010885][ T6224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.013925][ T6224] CPU: 1 PID: 6224 Comm: syz.1.634 Not tainted syzkaller #0 [ 217.015056][ T6224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.016524][ T6224] Call trace: [ 217.017008][ T6224] dump_backtrace+0x0/0x458 [ 217.017688][ T6224] show_stack+0x2c/0x3c [ 217.018308][ T6224] __dump_stack+0x30/0x40 [ 217.018932][ T6224] dump_stack_lvl+0xf4/0x15c [ 217.019582][ T6224] dump_stack+0x1c/0x5c [ 217.020163][ T6224] sysfs_create_dir_ns+0x244/0x264 [ 217.021048][ T6224] kobject_add_internal+0x5ac/0xc3c [ 217.021891][ T6224] kobject_init_and_add+0x124/0x190 [ 217.022718][ T6224] gfs2_sys_fs_add+0x200/0x41c [ 217.023554][ T6224] gfs2_fill_super+0xddc/0x1a18 [ 217.024372][ T6224] get_tree_bdev+0x358/0x544 [ 217.025141][ T6224] gfs2_get_tree+0x54/0x1b4 [ 217.025859][ T6224] vfs_get_tree+0x90/0x274 [ 217.026599][ T6224] do_new_mount+0x228/0x810 [ 217.027305][ T6224] path_mount+0x5bc/0x1008 [ 217.028034][ T6224] __arm64_sys_mount+0x514/0x5f0 [ 217.028837][ T6224] invoke_syscall+0x98/0x2b0 [ 217.029518][ T6224] el0_svc_common+0x138/0x258 [ 217.030220][ T6224] do_el0_svc+0x58/0x13c [ 217.030863][ T6224] el0_svc+0x78/0x1d0 [ 217.031494][ T6224] el0t_64_sync_handler+0xcc/0xe4 [ 217.032289][ T6224] el0t_64_sync+0x1a0/0x1a4 [ 217.034491][ T6224] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.036582][ T6224] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.203450][ T6226] loop1: detected capacity change from 0 to 32768 [ 217.246866][ T6226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.248022][ T6226] CPU: 0 PID: 6226 Comm: syz.1.635 Not tainted syzkaller #0 [ 217.249074][ T6226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.250646][ T6226] Call trace: [ 217.251185][ T6226] dump_backtrace+0x0/0x458 [ 217.252016][ T6226] show_stack+0x2c/0x3c [ 217.252737][ T6226] __dump_stack+0x30/0x40 [ 217.253450][ T6226] dump_stack_lvl+0xf4/0x15c [ 217.254192][ T6226] dump_stack+0x1c/0x5c [ 217.254867][ T6226] sysfs_create_dir_ns+0x244/0x264 [ 217.255654][ T6226] kobject_add_internal+0x5ac/0xc3c [ 217.256465][ T6226] kobject_init_and_add+0x124/0x190 [ 217.257243][ T6226] gfs2_sys_fs_add+0x200/0x41c [ 217.257975][ T6226] gfs2_fill_super+0xddc/0x1a18 [ 217.258738][ T6226] get_tree_bdev+0x358/0x544 [ 217.259525][ T6226] gfs2_get_tree+0x54/0x1b4 [ 217.260280][ T6226] vfs_get_tree+0x90/0x274 [ 217.261041][ T6226] do_new_mount+0x228/0x810 [ 217.261821][ T6226] path_mount+0x5bc/0x1008 [ 217.262603][ T6226] __arm64_sys_mount+0x514/0x5f0 [ 217.263339][ T6226] invoke_syscall+0x98/0x2b0 [ 217.264054][ T6226] el0_svc_common+0x138/0x258 [ 217.264822][ T6226] do_el0_svc+0x58/0x13c [ 217.265554][ T6226] el0_svc+0x78/0x1d0 [ 217.266216][ T6226] el0t_64_sync_handler+0xcc/0xe4 [ 217.267101][ T6226] el0t_64_sync+0x1a0/0x1a4 [ 217.269266][ T6226] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.271455][ T6226] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.405541][ T6228] loop1: detected capacity change from 0 to 32768 [ 217.505494][ T6228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.506738][ T6228] CPU: 1 PID: 6228 Comm: syz.1.636 Not tainted syzkaller #0 [ 217.507799][ T6228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.509324][ T6228] Call trace: [ 217.509817][ T6228] dump_backtrace+0x0/0x458 [ 217.510549][ T6228] show_stack+0x2c/0x3c [ 217.511177][ T6228] __dump_stack+0x30/0x40 [ 217.511831][ T6228] dump_stack_lvl+0xf4/0x15c [ 217.512516][ T6228] dump_stack+0x1c/0x5c [ 217.513218][ T6228] sysfs_create_dir_ns+0x244/0x264 [ 217.514133][ T6228] kobject_add_internal+0x5ac/0xc3c [ 217.515041][ T6228] kobject_init_and_add+0x124/0x190 [ 217.516002][ T6228] gfs2_sys_fs_add+0x200/0x41c [ 217.516840][ T6228] gfs2_fill_super+0xddc/0x1a18 [ 217.517689][ T6228] get_tree_bdev+0x358/0x544 [ 217.518434][ T6228] gfs2_get_tree+0x54/0x1b4 [ 217.519169][ T6228] vfs_get_tree+0x90/0x274 [ 217.519843][ T6228] do_new_mount+0x228/0x810 [ 217.520533][ T6228] path_mount+0x5bc/0x1008 [ 217.521267][ T6228] __arm64_sys_mount+0x514/0x5f0 [ 217.522014][ T6228] invoke_syscall+0x98/0x2b0 [ 217.522736][ T6228] el0_svc_common+0x138/0x258 [ 217.523440][ T6228] do_el0_svc+0x58/0x13c [ 217.524078][ T6228] el0_svc+0x78/0x1d0 [ 217.524709][ T6228] el0t_64_sync_handler+0xcc/0xe4 [ 217.525480][ T6228] el0t_64_sync+0x1a0/0x1a4 [ 217.528007][ T6228] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.530053][ T6228] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.667971][ T6230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.669212][ T6230] CPU: 0 PID: 6230 Comm: syz.1.637 Not tainted syzkaller #0 [ 217.670370][ T6230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.671973][ T6230] Call trace: [ 217.672517][ T6230] dump_backtrace+0x0/0x458 [ 217.673278][ T6230] show_stack+0x2c/0x3c [ 217.673962][ T6230] __dump_stack+0x30/0x40 [ 217.674698][ T6230] dump_stack_lvl+0xf4/0x15c [ 217.675441][ T6230] dump_stack+0x1c/0x5c [ 217.676148][ T6230] sysfs_create_dir_ns+0x244/0x264 [ 217.677000][ T6230] kobject_add_internal+0x5ac/0xc3c [ 217.677834][ T6230] kobject_init_and_add+0x124/0x190 [ 217.678663][ T6230] gfs2_sys_fs_add+0x200/0x41c [ 217.679496][ T6230] gfs2_fill_super+0xddc/0x1a18 [ 217.680297][ T6230] get_tree_bdev+0x358/0x544 [ 217.681005][ T6230] gfs2_get_tree+0x54/0x1b4 [ 217.681696][ T6230] vfs_get_tree+0x90/0x274 [ 217.682395][ T6230] do_new_mount+0x228/0x810 [ 217.683117][ T6230] path_mount+0x5bc/0x1008 [ 217.683743][ T6230] __arm64_sys_mount+0x514/0x5f0 [ 217.684480][ T6230] invoke_syscall+0x98/0x2b0 [ 217.685195][ T6230] el0_svc_common+0x138/0x258 [ 217.685926][ T6230] do_el0_svc+0x58/0x13c [ 217.686562][ T6230] el0_svc+0x78/0x1d0 [ 217.687260][ T6230] el0t_64_sync_handler+0xcc/0xe4 [ 217.688109][ T6230] el0t_64_sync+0x1a0/0x1a4 [ 217.688959][ T6230] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.691070][ T6230] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.906561][ T6232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.907887][ T6232] CPU: 1 PID: 6232 Comm: syz.1.638 Not tainted syzkaller #0 [ 217.909067][ T6232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 217.910657][ T6232] Call trace: [ 217.911224][ T6232] dump_backtrace+0x0/0x458 [ 217.912038][ T6232] show_stack+0x2c/0x3c [ 217.912761][ T6232] __dump_stack+0x30/0x40 [ 217.913482][ T6232] dump_stack_lvl+0xf4/0x15c [ 217.914167][ T6232] dump_stack+0x1c/0x5c [ 217.914854][ T6232] sysfs_create_dir_ns+0x244/0x264 [ 217.915747][ T6232] kobject_add_internal+0x5ac/0xc3c [ 217.916572][ T6232] kobject_init_and_add+0x124/0x190 [ 217.917424][ T6232] gfs2_sys_fs_add+0x200/0x41c [ 217.918185][ T6232] gfs2_fill_super+0xddc/0x1a18 [ 217.918929][ T6232] get_tree_bdev+0x358/0x544 [ 217.919690][ T6232] gfs2_get_tree+0x54/0x1b4 [ 217.920438][ T6232] vfs_get_tree+0x90/0x274 [ 217.921108][ T6232] do_new_mount+0x228/0x810 [ 217.921776][ T6232] path_mount+0x5bc/0x1008 [ 217.922506][ T6232] __arm64_sys_mount+0x514/0x5f0 [ 217.923351][ T6232] invoke_syscall+0x98/0x2b0 [ 217.924168][ T6232] el0_svc_common+0x138/0x258 [ 217.925034][ T6232] do_el0_svc+0x58/0x13c [ 217.925738][ T6232] el0_svc+0x78/0x1d0 [ 217.926364][ T6232] el0t_64_sync_handler+0xcc/0xe4 [ 217.927305][ T6232] el0t_64_sync+0x1a0/0x1a4 [ 217.930026][ T6232] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.940134][ T6232] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.021254][ T4173] Bluetooth: hci2: command 0x040f tx timeout [ 218.192290][ T6234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.193464][ T6234] CPU: 0 PID: 6234 Comm: syz.1.639 Not tainted syzkaller #0 [ 218.194555][ T6234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.195991][ T6234] Call trace: [ 218.196459][ T6234] dump_backtrace+0x0/0x458 [ 218.197088][ T6234] show_stack+0x2c/0x3c [ 218.197684][ T6234] __dump_stack+0x30/0x40 [ 218.198309][ T6234] dump_stack_lvl+0xf4/0x15c [ 218.198976][ T6234] dump_stack+0x1c/0x5c [ 218.199572][ T6234] sysfs_create_dir_ns+0x244/0x264 [ 218.200467][ T6234] kobject_add_internal+0x5ac/0xc3c [ 218.201354][ T6234] kobject_init_and_add+0x124/0x190 [ 218.202204][ T6234] gfs2_sys_fs_add+0x200/0x41c [ 218.202996][ T6234] gfs2_fill_super+0xddc/0x1a18 [ 218.203807][ T6234] get_tree_bdev+0x358/0x544 [ 218.204539][ T6234] gfs2_get_tree+0x54/0x1b4 [ 218.205218][ T6234] vfs_get_tree+0x90/0x274 [ 218.205856][ T6234] do_new_mount+0x228/0x810 [ 218.206610][ T6234] path_mount+0x5bc/0x1008 [ 218.207408][ T6234] __arm64_sys_mount+0x514/0x5f0 [ 218.208200][ T6234] invoke_syscall+0x98/0x2b0 [ 218.208878][ T6234] el0_svc_common+0x138/0x258 [ 218.209603][ T6234] do_el0_svc+0x58/0x13c [ 218.210323][ T6234] el0_svc+0x78/0x1d0 [ 218.210973][ T6234] el0t_64_sync_handler+0xcc/0xe4 [ 218.211834][ T6234] el0t_64_sync+0x1a0/0x1a4 [ 218.213995][ T6234] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.215949][ T6234] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.357275][ T6236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.358535][ T6236] CPU: 1 PID: 6236 Comm: syz.1.640 Not tainted syzkaller #0 [ 218.359640][ T6236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.361155][ T6236] Call trace: [ 218.361677][ T6236] dump_backtrace+0x0/0x458 [ 218.362360][ T6236] show_stack+0x2c/0x3c [ 218.363036][ T6236] __dump_stack+0x30/0x40 [ 218.363700][ T6236] dump_stack_lvl+0xf4/0x15c [ 218.364407][ T6236] dump_stack+0x1c/0x5c [ 218.365075][ T6236] sysfs_create_dir_ns+0x244/0x264 [ 218.365872][ T6236] kobject_add_internal+0x5ac/0xc3c [ 218.366652][ T6236] kobject_init_and_add+0x124/0x190 [ 218.367523][ T6236] gfs2_sys_fs_add+0x200/0x41c [ 218.368382][ T6236] gfs2_fill_super+0xddc/0x1a18 [ 218.369201][ T6236] get_tree_bdev+0x358/0x544 [ 218.369947][ T6236] gfs2_get_tree+0x54/0x1b4 [ 218.370717][ T6236] vfs_get_tree+0x90/0x274 [ 218.371460][ T6236] do_new_mount+0x228/0x810 [ 218.372246][ T6236] path_mount+0x5bc/0x1008 [ 218.372963][ T6236] __arm64_sys_mount+0x514/0x5f0 [ 218.373736][ T6236] invoke_syscall+0x98/0x2b0 [ 218.374552][ T6236] el0_svc_common+0x138/0x258 [ 218.375310][ T6236] do_el0_svc+0x58/0x13c [ 218.376023][ T6236] el0_svc+0x78/0x1d0 [ 218.376716][ T6236] el0t_64_sync_handler+0xcc/0xe4 [ 218.377570][ T6236] el0t_64_sync+0x1a0/0x1a4 [ 218.380101][ T6236] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.382245][ T6236] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.577581][ T6238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.578938][ T6238] CPU: 0 PID: 6238 Comm: syz.1.641 Not tainted syzkaller #0 [ 218.580071][ T6238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.581722][ T6238] Call trace: [ 218.582261][ T6238] dump_backtrace+0x0/0x458 [ 218.583000][ T6238] show_stack+0x2c/0x3c [ 218.583736][ T6238] __dump_stack+0x30/0x40 [ 218.584468][ T6238] dump_stack_lvl+0xf4/0x15c [ 218.585286][ T6238] dump_stack+0x1c/0x5c [ 218.585988][ T6238] sysfs_create_dir_ns+0x244/0x264 [ 218.586871][ T6238] kobject_add_internal+0x5ac/0xc3c [ 218.587724][ T6238] kobject_init_and_add+0x124/0x190 [ 218.588556][ T6238] gfs2_sys_fs_add+0x200/0x41c [ 218.589312][ T6238] gfs2_fill_super+0xddc/0x1a18 [ 218.590047][ T6238] get_tree_bdev+0x358/0x544 [ 218.590758][ T6238] gfs2_get_tree+0x54/0x1b4 [ 218.591470][ T6238] vfs_get_tree+0x90/0x274 [ 218.592130][ T6238] do_new_mount+0x228/0x810 [ 218.592884][ T6238] path_mount+0x5bc/0x1008 [ 218.593570][ T6238] __arm64_sys_mount+0x514/0x5f0 [ 218.594340][ T6238] invoke_syscall+0x98/0x2b0 [ 218.595054][ T6238] el0_svc_common+0x138/0x258 [ 218.595798][ T6238] do_el0_svc+0x58/0x13c [ 218.596471][ T6238] el0_svc+0x78/0x1d0 [ 218.597117][ T6238] el0t_64_sync_handler+0xcc/0xe4 [ 218.598030][ T6238] el0t_64_sync+0x1a0/0x1a4 [ 218.598941][ T6238] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.601016][ T6238] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.743137][ T6240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.744353][ T6240] CPU: 1 PID: 6240 Comm: syz.1.642 Not tainted syzkaller #0 [ 218.745624][ T6240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.747246][ T6240] Call trace: [ 218.747755][ T6240] dump_backtrace+0x0/0x458 [ 218.748472][ T6240] show_stack+0x2c/0x3c [ 218.749104][ T6240] __dump_stack+0x30/0x40 [ 218.749784][ T6240] dump_stack_lvl+0xf4/0x15c [ 218.750550][ T6240] dump_stack+0x1c/0x5c [ 218.751236][ T6240] sysfs_create_dir_ns+0x244/0x264 [ 218.752109][ T6240] kobject_add_internal+0x5ac/0xc3c [ 218.752938][ T6240] kobject_init_and_add+0x124/0x190 [ 218.753770][ T6240] gfs2_sys_fs_add+0x200/0x41c [ 218.754534][ T6240] gfs2_fill_super+0xddc/0x1a18 [ 218.755246][ T6240] get_tree_bdev+0x358/0x544 [ 218.756050][ T6240] gfs2_get_tree+0x54/0x1b4 [ 218.756844][ T6240] vfs_get_tree+0x90/0x274 [ 218.757606][ T6240] do_new_mount+0x228/0x810 [ 218.758315][ T6240] path_mount+0x5bc/0x1008 [ 218.758967][ T6240] __arm64_sys_mount+0x514/0x5f0 [ 218.759846][ T6240] invoke_syscall+0x98/0x2b0 [ 218.760616][ T6240] el0_svc_common+0x138/0x258 [ 218.761334][ T6240] do_el0_svc+0x58/0x13c [ 218.761991][ T6240] el0_svc+0x78/0x1d0 [ 218.762607][ T6240] el0t_64_sync_handler+0xcc/0xe4 [ 218.763370][ T6240] el0t_64_sync+0x1a0/0x1a4 [ 218.765551][ T6240] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.767632][ T6240] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.935847][ T6242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.937152][ T6242] CPU: 1 PID: 6242 Comm: syz.1.643 Not tainted syzkaller #0 [ 218.938285][ T6242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 218.939992][ T6242] Call trace: [ 218.940560][ T6242] dump_backtrace+0x0/0x458 [ 218.941307][ T6242] show_stack+0x2c/0x3c [ 218.942027][ T6242] __dump_stack+0x30/0x40 [ 218.942744][ T6242] dump_stack_lvl+0xf4/0x15c [ 218.943453][ T6242] dump_stack+0x1c/0x5c [ 218.944072][ T6242] sysfs_create_dir_ns+0x244/0x264 [ 218.944920][ T6242] kobject_add_internal+0x5ac/0xc3c [ 218.945697][ T6242] kobject_init_and_add+0x124/0x190 [ 218.946558][ T6242] gfs2_sys_fs_add+0x200/0x41c [ 218.947374][ T6242] gfs2_fill_super+0xddc/0x1a18 [ 218.948150][ T6242] get_tree_bdev+0x358/0x544 [ 218.948893][ T6242] gfs2_get_tree+0x54/0x1b4 [ 218.949591][ T6242] vfs_get_tree+0x90/0x274 [ 218.950353][ T6242] do_new_mount+0x228/0x810 [ 218.951142][ T6242] path_mount+0x5bc/0x1008 [ 218.951938][ T6242] __arm64_sys_mount+0x514/0x5f0 [ 218.952753][ T6242] invoke_syscall+0x98/0x2b0 [ 218.953536][ T6242] el0_svc_common+0x138/0x258 [ 218.954309][ T6242] do_el0_svc+0x58/0x13c [ 218.954967][ T6242] el0_svc+0x78/0x1d0 [ 218.955557][ T6242] el0t_64_sync_handler+0xcc/0xe4 [ 218.956443][ T6242] el0t_64_sync+0x1a0/0x1a4 [ 218.958923][ T6242] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.961031][ T6242] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.136277][ T6244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.137512][ T6244] CPU: 1 PID: 6244 Comm: syz.1.644 Not tainted syzkaller #0 [ 219.138750][ T6244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.140367][ T6244] Call trace: [ 219.140864][ T6244] dump_backtrace+0x0/0x458 [ 219.141728][ T6244] show_stack+0x2c/0x3c [ 219.142440][ T6244] __dump_stack+0x30/0x40 [ 219.143182][ T6244] dump_stack_lvl+0xf4/0x15c [ 219.143978][ T6244] dump_stack+0x1c/0x5c [ 219.144654][ T6244] sysfs_create_dir_ns+0x244/0x264 [ 219.145454][ T6244] kobject_add_internal+0x5ac/0xc3c [ 219.146297][ T6244] kobject_init_and_add+0x124/0x190 [ 219.147084][ T6244] gfs2_sys_fs_add+0x200/0x41c [ 219.147839][ T6244] gfs2_fill_super+0xddc/0x1a18 [ 219.148649][ T6244] get_tree_bdev+0x358/0x544 [ 219.149390][ T6244] gfs2_get_tree+0x54/0x1b4 [ 219.150146][ T6244] vfs_get_tree+0x90/0x274 [ 219.150849][ T6244] do_new_mount+0x228/0x810 [ 219.151520][ T6244] path_mount+0x5bc/0x1008 [ 219.152241][ T6244] __arm64_sys_mount+0x514/0x5f0 [ 219.153088][ T6244] invoke_syscall+0x98/0x2b0 [ 219.153819][ T6244] el0_svc_common+0x138/0x258 [ 219.154486][ T6244] do_el0_svc+0x58/0x13c [ 219.155171][ T6244] el0_svc+0x78/0x1d0 [ 219.155859][ T6244] el0t_64_sync_handler+0xcc/0xe4 [ 219.156717][ T6244] el0t_64_sync+0x1a0/0x1a4 [ 219.158192][ T6244] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.160335][ T6244] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.408331][ T6246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.410100][ T6246] CPU: 1 PID: 6246 Comm: syz.1.645 Not tainted syzkaller #0 [ 219.411378][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.413062][ T6246] Call trace: [ 219.413581][ T6246] dump_backtrace+0x0/0x458 [ 219.414299][ T6246] show_stack+0x2c/0x3c [ 219.414961][ T6246] __dump_stack+0x30/0x40 [ 219.415658][ T6246] dump_stack_lvl+0xf4/0x15c [ 219.416334][ T6246] dump_stack+0x1c/0x5c [ 219.417047][ T6246] sysfs_create_dir_ns+0x244/0x264 [ 219.417889][ T6246] kobject_add_internal+0x5ac/0xc3c [ 219.418787][ T6246] kobject_init_and_add+0x124/0x190 [ 219.419618][ T6246] gfs2_sys_fs_add+0x200/0x41c [ 219.420387][ T6246] gfs2_fill_super+0xddc/0x1a18 [ 219.421200][ T6246] get_tree_bdev+0x358/0x544 [ 219.421915][ T6246] gfs2_get_tree+0x54/0x1b4 [ 219.422602][ T6246] vfs_get_tree+0x90/0x274 [ 219.423299][ T6246] do_new_mount+0x228/0x810 [ 219.424045][ T6246] path_mount+0x5bc/0x1008 [ 219.424729][ T6246] __arm64_sys_mount+0x514/0x5f0 [ 219.425551][ T6246] invoke_syscall+0x98/0x2b0 [ 219.426323][ T6246] el0_svc_common+0x138/0x258 [ 219.427089][ T6246] do_el0_svc+0x58/0x13c [ 219.427846][ T6246] el0_svc+0x78/0x1d0 [ 219.428539][ T6246] el0t_64_sync_handler+0xcc/0xe4 [ 219.429407][ T6246] el0t_64_sync+0x1a0/0x1a4 [ 219.430223][ T6246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.432413][ T6246] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.572011][ T6248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.573270][ T6248] CPU: 0 PID: 6248 Comm: syz.1.646 Not tainted syzkaller #0 [ 219.574422][ T6248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.575997][ T6248] Call trace: [ 219.576510][ T6248] dump_backtrace+0x0/0x458 [ 219.577235][ T6248] show_stack+0x2c/0x3c [ 219.577923][ T6248] __dump_stack+0x30/0x40 [ 219.578599][ T6248] dump_stack_lvl+0xf4/0x15c [ 219.579320][ T6248] dump_stack+0x1c/0x5c [ 219.579961][ T6248] sysfs_create_dir_ns+0x244/0x264 [ 219.580813][ T6248] kobject_add_internal+0x5ac/0xc3c [ 219.581721][ T6248] kobject_init_and_add+0x124/0x190 [ 219.582566][ T6248] gfs2_sys_fs_add+0x200/0x41c [ 219.583333][ T6248] gfs2_fill_super+0xddc/0x1a18 [ 219.584134][ T6248] get_tree_bdev+0x358/0x544 [ 219.584911][ T6248] gfs2_get_tree+0x54/0x1b4 [ 219.585691][ T6248] vfs_get_tree+0x90/0x274 [ 219.586447][ T6248] do_new_mount+0x228/0x810 [ 219.587203][ T6248] path_mount+0x5bc/0x1008 [ 219.587930][ T6248] __arm64_sys_mount+0x514/0x5f0 [ 219.588749][ T6248] invoke_syscall+0x98/0x2b0 [ 219.589484][ T6248] el0_svc_common+0x138/0x258 [ 219.590323][ T6248] do_el0_svc+0x58/0x13c [ 219.590983][ T6248] el0_svc+0x78/0x1d0 [ 219.591624][ T6248] el0t_64_sync_handler+0xcc/0xe4 [ 219.592439][ T6248] el0t_64_sync+0x1a0/0x1a4 [ 219.594590][ T6248] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.596547][ T6248] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.802851][ T6250] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.804089][ T6250] CPU: 0 PID: 6250 Comm: syz.1.647 Not tainted syzkaller #0 [ 219.805162][ T6250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.806843][ T6250] Call trace: [ 219.807400][ T6250] dump_backtrace+0x0/0x458 [ 219.808154][ T6250] show_stack+0x2c/0x3c [ 219.808841][ T6250] __dump_stack+0x30/0x40 [ 219.809506][ T6250] dump_stack_lvl+0xf4/0x15c [ 219.810190][ T6250] dump_stack+0x1c/0x5c [ 219.810856][ T6250] sysfs_create_dir_ns+0x244/0x264 [ 219.811670][ T6250] kobject_add_internal+0x5ac/0xc3c [ 219.812574][ T6250] kobject_init_and_add+0x124/0x190 [ 219.813420][ T6250] gfs2_sys_fs_add+0x200/0x41c [ 219.814213][ T6250] gfs2_fill_super+0xddc/0x1a18 [ 219.815023][ T6250] get_tree_bdev+0x358/0x544 [ 219.815764][ T6250] gfs2_get_tree+0x54/0x1b4 [ 219.816480][ T6250] vfs_get_tree+0x90/0x274 [ 219.817162][ T6250] do_new_mount+0x228/0x810 [ 219.817880][ T6250] path_mount+0x5bc/0x1008 [ 219.818536][ T6250] __arm64_sys_mount+0x514/0x5f0 [ 219.819336][ T6250] invoke_syscall+0x98/0x2b0 [ 219.819952][ T6250] el0_svc_common+0x138/0x258 [ 219.820767][ T6250] do_el0_svc+0x58/0x13c [ 219.821474][ T6250] el0_svc+0x78/0x1d0 [ 219.822174][ T6250] el0t_64_sync_handler+0xcc/0xe4 [ 219.823010][ T6250] el0t_64_sync+0x1a0/0x1a4 [ 219.825226][ T6250] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.827517][ T6250] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.967832][ T6252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.969118][ T6252] CPU: 0 PID: 6252 Comm: syz.1.648 Not tainted syzkaller #0 [ 219.970334][ T6252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 219.971998][ T6252] Call trace: [ 219.972479][ T6252] dump_backtrace+0x0/0x458 [ 219.973234][ T6252] show_stack+0x2c/0x3c [ 219.973918][ T6252] __dump_stack+0x30/0x40 [ 219.974673][ T6252] dump_stack_lvl+0xf4/0x15c [ 219.975463][ T6252] dump_stack+0x1c/0x5c [ 219.976182][ T6252] sysfs_create_dir_ns+0x244/0x264 [ 219.976994][ T6252] kobject_add_internal+0x5ac/0xc3c [ 219.977892][ T6252] kobject_init_and_add+0x124/0x190 [ 219.978671][ T6252] gfs2_sys_fs_add+0x200/0x41c [ 219.979468][ T6252] gfs2_fill_super+0xddc/0x1a18 [ 219.980259][ T6252] get_tree_bdev+0x358/0x544 [ 219.981010][ T6252] gfs2_get_tree+0x54/0x1b4 [ 219.981778][ T6252] vfs_get_tree+0x90/0x274 [ 219.982514][ T6252] do_new_mount+0x228/0x810 [ 219.983293][ T6252] path_mount+0x5bc/0x1008 [ 219.984038][ T6252] __arm64_sys_mount+0x514/0x5f0 [ 219.984891][ T6252] invoke_syscall+0x98/0x2b0 [ 219.985606][ T6252] el0_svc_common+0x138/0x258 [ 219.986424][ T6252] do_el0_svc+0x58/0x13c [ 219.987088][ T6252] el0_svc+0x78/0x1d0 [ 219.987781][ T6252] el0t_64_sync_handler+0xcc/0xe4 [ 219.988611][ T6252] el0t_64_sync+0x1a0/0x1a4 [ 219.990648][ T6252] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.992667][ T6252] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.101254][ T4173] Bluetooth: hci2: command 0x0419 tx timeout [ 220.134601][ T6254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.135745][ T6254] CPU: 0 PID: 6254 Comm: syz.1.649 Not tainted syzkaller #0 [ 220.136797][ T6254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.138372][ T6254] Call trace: [ 220.138882][ T6254] dump_backtrace+0x0/0x458 [ 220.139550][ T6254] show_stack+0x2c/0x3c [ 220.140143][ T6254] __dump_stack+0x30/0x40 [ 220.140824][ T6254] dump_stack_lvl+0xf4/0x15c [ 220.141542][ T6254] dump_stack+0x1c/0x5c [ 220.142172][ T6254] sysfs_create_dir_ns+0x244/0x264 [ 220.142933][ T6254] kobject_add_internal+0x5ac/0xc3c [ 220.143764][ T6254] kobject_init_and_add+0x124/0x190 [ 220.144543][ T6254] gfs2_sys_fs_add+0x200/0x41c [ 220.145337][ T6254] gfs2_fill_super+0xddc/0x1a18 [ 220.146103][ T6254] get_tree_bdev+0x358/0x544 [ 220.146770][ T6254] gfs2_get_tree+0x54/0x1b4 [ 220.147487][ T6254] vfs_get_tree+0x90/0x274 [ 220.148188][ T6254] do_new_mount+0x228/0x810 [ 220.148894][ T6254] path_mount+0x5bc/0x1008 [ 220.149523][ T6254] __arm64_sys_mount+0x514/0x5f0 [ 220.150239][ T6254] invoke_syscall+0x98/0x2b0 [ 220.151031][ T6254] el0_svc_common+0x138/0x258 [ 220.151830][ T6254] do_el0_svc+0x58/0x13c [ 220.152516][ T6254] el0_svc+0x78/0x1d0 [ 220.153149][ T6254] el0t_64_sync_handler+0xcc/0xe4 [ 220.153984][ T6254] el0t_64_sync+0x1a0/0x1a4 [ 220.156220][ T6254] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.158301][ T6254] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.333457][ T6256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.334729][ T6256] CPU: 0 PID: 6256 Comm: syz.1.650 Not tainted syzkaller #0 [ 220.335972][ T6256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.337656][ T6256] Call trace: [ 220.338211][ T6256] dump_backtrace+0x0/0x458 [ 220.338980][ T6256] show_stack+0x2c/0x3c [ 220.339646][ T6256] __dump_stack+0x30/0x40 [ 220.340392][ T6256] dump_stack_lvl+0xf4/0x15c [ 220.341151][ T6256] dump_stack+0x1c/0x5c [ 220.341862][ T6256] sysfs_create_dir_ns+0x244/0x264 [ 220.342737][ T6256] kobject_add_internal+0x5ac/0xc3c [ 220.343576][ T6256] kobject_init_and_add+0x124/0x190 [ 220.344504][ T6256] gfs2_sys_fs_add+0x200/0x41c [ 220.345227][ T6256] gfs2_fill_super+0xddc/0x1a18 [ 220.346066][ T6256] get_tree_bdev+0x358/0x544 [ 220.346786][ T6256] gfs2_get_tree+0x54/0x1b4 [ 220.347535][ T6256] vfs_get_tree+0x90/0x274 [ 220.348269][ T6256] do_new_mount+0x228/0x810 [ 220.348905][ T6256] path_mount+0x5bc/0x1008 [ 220.349554][ T6256] __arm64_sys_mount+0x514/0x5f0 [ 220.350342][ T6256] invoke_syscall+0x98/0x2b0 [ 220.351133][ T6256] el0_svc_common+0x138/0x258 [ 220.351879][ T6256] do_el0_svc+0x58/0x13c [ 220.352617][ T6256] el0_svc+0x78/0x1d0 [ 220.353300][ T6256] el0t_64_sync_handler+0xcc/0xe4 [ 220.354141][ T6256] el0t_64_sync+0x1a0/0x1a4 [ 220.359958][ T6256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.362039][ T6256] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 637 [ 220.495768][ T6258] set_capacity_and_notify: 14 callbacks suppressed [ 220.495778][ T6258] loop1: detected capacity change from 0 to 32768 [ 220.504697][ T6258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.505873][ T6258] CPU: 1 PID: 6258 Comm: syz.1.651 Not tainted syzkaller #0 [ 220.507108][ T6258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.508885][ T6258] Call trace: [ 220.509398][ T6258] dump_backtrace+0x0/0x458 [ 220.510137][ T6258] show_stack+0x2c/0x3c [ 220.510799][ T6258] __dump_stack+0x30/0x40 [ 220.511488][ T6258] dump_stack_lvl+0xf4/0x15c [ 220.512177][ T6258] dump_stack+0x1c/0x5c [ 220.512803][ T6258] sysfs_create_dir_ns+0x244/0x264 [ 220.513581][ T6258] kobject_add_internal+0x5ac/0xc3c [ 220.514382][ T6258] kobject_init_and_add+0x124/0x190 [ 220.515206][ T6258] gfs2_sys_fs_add+0x200/0x41c [ 220.515978][ T6258] gfs2_fill_super+0xddc/0x1a18 [ 220.516699][ T6258] get_tree_bdev+0x358/0x544 [ 220.517428][ T6258] gfs2_get_tree+0x54/0x1b4 [ 220.518130][ T6258] vfs_get_tree+0x90/0x274 [ 220.518847][ T6258] do_new_mount+0x228/0x810 [ 220.519589][ T6258] path_mount+0x5bc/0x1008 [ 220.520313][ T6258] __arm64_sys_mount+0x514/0x5f0 [ 220.521101][ T6258] invoke_syscall+0x98/0x2b0 [ 220.521922][ T6258] el0_svc_common+0x138/0x258 [ 220.522689][ T6258] do_el0_svc+0x58/0x13c [ 220.523355][ T6258] el0_svc+0x78/0x1d0 [ 220.524040][ T6258] el0t_64_sync_handler+0xcc/0xe4 [ 220.524864][ T6258] el0t_64_sync+0x1a0/0x1a4 [ 220.526294][ T6258] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.528234][ T6258] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.656495][ T6260] loop1: detected capacity change from 0 to 32768 [ 220.686610][ T6260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.687769][ T6260] CPU: 0 PID: 6260 Comm: syz.1.652 Not tainted syzkaller #0 [ 220.688919][ T6260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.690488][ T6260] Call trace: [ 220.690996][ T6260] dump_backtrace+0x0/0x458 [ 220.691798][ T6260] show_stack+0x2c/0x3c [ 220.692495][ T6260] __dump_stack+0x30/0x40 [ 220.693247][ T6260] dump_stack_lvl+0xf4/0x15c [ 220.693978][ T6260] dump_stack+0x1c/0x5c [ 220.694681][ T6260] sysfs_create_dir_ns+0x244/0x264 [ 220.695470][ T6260] kobject_add_internal+0x5ac/0xc3c [ 220.696338][ T6260] kobject_init_and_add+0x124/0x190 [ 220.697208][ T6260] gfs2_sys_fs_add+0x200/0x41c [ 220.697953][ T6260] gfs2_fill_super+0xddc/0x1a18 [ 220.698756][ T6260] get_tree_bdev+0x358/0x544 [ 220.699477][ T6260] gfs2_get_tree+0x54/0x1b4 [ 220.700252][ T6260] vfs_get_tree+0x90/0x274 [ 220.701006][ T6260] do_new_mount+0x228/0x810 [ 220.701678][ T6260] path_mount+0x5bc/0x1008 [ 220.702295][ T6260] __arm64_sys_mount+0x514/0x5f0 [ 220.703042][ T6260] invoke_syscall+0x98/0x2b0 [ 220.703700][ T6260] el0_svc_common+0x138/0x258 [ 220.704532][ T6260] do_el0_svc+0x58/0x13c [ 220.705272][ T6260] el0_svc+0x78/0x1d0 [ 220.705922][ T6260] el0t_64_sync_handler+0xcc/0xe4 [ 220.706731][ T6260] el0t_64_sync+0x1a0/0x1a4 [ 220.708801][ T6260] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.710673][ T6260] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.842226][ T6262] loop1: detected capacity change from 0 to 32768 [ 220.902312][ T6262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.903581][ T6262] CPU: 1 PID: 6262 Comm: syz.1.653 Not tainted syzkaller #0 [ 220.904839][ T6262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 220.906384][ T6262] Call trace: [ 220.906838][ T6262] dump_backtrace+0x0/0x458 [ 220.907517][ T6262] show_stack+0x2c/0x3c [ 220.908167][ T6262] __dump_stack+0x30/0x40 [ 220.908790][ T6262] dump_stack_lvl+0xf4/0x15c [ 220.909533][ T6262] dump_stack+0x1c/0x5c [ 220.910179][ T6262] sysfs_create_dir_ns+0x244/0x264 [ 220.910973][ T6262] kobject_add_internal+0x5ac/0xc3c [ 220.911845][ T6262] kobject_init_and_add+0x124/0x190 [ 220.912733][ T6262] gfs2_sys_fs_add+0x200/0x41c [ 220.913605][ T6262] gfs2_fill_super+0xddc/0x1a18 [ 220.914434][ T6262] get_tree_bdev+0x358/0x544 [ 220.915208][ T6262] gfs2_get_tree+0x54/0x1b4 [ 220.915975][ T6262] vfs_get_tree+0x90/0x274 [ 220.916730][ T6262] do_new_mount+0x228/0x810 [ 220.917511][ T6262] path_mount+0x5bc/0x1008 [ 220.918245][ T6262] __arm64_sys_mount+0x514/0x5f0 [ 220.918993][ T6262] invoke_syscall+0x98/0x2b0 [ 220.919707][ T6262] el0_svc_common+0x138/0x258 [ 220.920452][ T6262] do_el0_svc+0x58/0x13c [ 220.921149][ T6262] el0_svc+0x78/0x1d0 [ 220.921785][ T6262] el0t_64_sync_handler+0xcc/0xe4 [ 220.922594][ T6262] el0t_64_sync+0x1a0/0x1a4 [ 220.923477][ T6262] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.925458][ T6262] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.143644][ T6264] loop1: detected capacity change from 0 to 32768 [ 221.192481][ T6264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.193824][ T6264] CPU: 0 PID: 6264 Comm: syz.1.654 Not tainted syzkaller #0 [ 221.194929][ T6264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.196490][ T6264] Call trace: [ 221.196950][ T6264] dump_backtrace+0x0/0x458 [ 221.197623][ T6264] show_stack+0x2c/0x3c [ 221.198289][ T6264] __dump_stack+0x30/0x40 [ 221.198983][ T6264] dump_stack_lvl+0xf4/0x15c [ 221.199678][ T6264] dump_stack+0x1c/0x5c [ 221.200350][ T6264] sysfs_create_dir_ns+0x244/0x264 [ 221.201253][ T6264] kobject_add_internal+0x5ac/0xc3c [ 221.202145][ T6264] kobject_init_and_add+0x124/0x190 [ 221.203001][ T6264] gfs2_sys_fs_add+0x200/0x41c [ 221.203804][ T6264] gfs2_fill_super+0xddc/0x1a18 [ 221.204549][ T6264] get_tree_bdev+0x358/0x544 [ 221.205327][ T6264] gfs2_get_tree+0x54/0x1b4 [ 221.206088][ T6264] vfs_get_tree+0x90/0x274 [ 221.206845][ T6264] do_new_mount+0x228/0x810 [ 221.207623][ T6264] path_mount+0x5bc/0x1008 [ 221.208310][ T6264] __arm64_sys_mount+0x514/0x5f0 [ 221.209043][ T6264] invoke_syscall+0x98/0x2b0 [ 221.209761][ T6264] el0_svc_common+0x138/0x258 [ 221.210509][ T6264] do_el0_svc+0x58/0x13c [ 221.211305][ T6264] el0_svc+0x78/0x1d0 [ 221.211996][ T6264] el0t_64_sync_handler+0xcc/0xe4 [ 221.212816][ T6264] el0t_64_sync+0x1a0/0x1a4 [ 221.213983][ T6264] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.216077][ T6264] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.368754][ T6266] loop1: detected capacity change from 0 to 32768 [ 221.407209][ T6266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.408449][ T6266] CPU: 0 PID: 6266 Comm: syz.1.655 Not tainted syzkaller #0 [ 221.409732][ T6266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.411344][ T6266] Call trace: [ 221.411853][ T6266] dump_backtrace+0x0/0x458 [ 221.412544][ T6266] show_stack+0x2c/0x3c [ 221.413201][ T6266] __dump_stack+0x30/0x40 [ 221.413930][ T6266] dump_stack_lvl+0xf4/0x15c [ 221.414590][ T6266] dump_stack+0x1c/0x5c [ 221.415195][ T6266] sysfs_create_dir_ns+0x244/0x264 [ 221.415938][ T6266] kobject_add_internal+0x5ac/0xc3c [ 221.416760][ T6266] kobject_init_and_add+0x124/0x190 [ 221.417627][ T6266] gfs2_sys_fs_add+0x200/0x41c [ 221.418425][ T6266] gfs2_fill_super+0xddc/0x1a18 [ 221.419218][ T6266] get_tree_bdev+0x358/0x544 [ 221.419906][ T6266] gfs2_get_tree+0x54/0x1b4 [ 221.420632][ T6266] vfs_get_tree+0x90/0x274 [ 221.421397][ T6266] do_new_mount+0x228/0x810 [ 221.422204][ T6266] path_mount+0x5bc/0x1008 [ 221.422993][ T6266] __arm64_sys_mount+0x514/0x5f0 [ 221.423794][ T6266] invoke_syscall+0x98/0x2b0 [ 221.424560][ T6266] el0_svc_common+0x138/0x258 [ 221.425283][ T6266] do_el0_svc+0x58/0x13c [ 221.425964][ T6266] el0_svc+0x78/0x1d0 [ 221.426562][ T6266] el0t_64_sync_handler+0xcc/0xe4 [ 221.427305][ T6266] el0t_64_sync+0x1a0/0x1a4 [ 221.429612][ T6266] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.431804][ T6266] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.678115][ T6268] loop1: detected capacity change from 0 to 32768 [ 221.717594][ T6268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.718853][ T6268] CPU: 1 PID: 6268 Comm: syz.1.656 Not tainted syzkaller #0 [ 221.719987][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.721628][ T6268] Call trace: [ 221.722157][ T6268] dump_backtrace+0x0/0x458 [ 221.722926][ T6268] show_stack+0x2c/0x3c [ 221.723660][ T6268] __dump_stack+0x30/0x40 [ 221.724369][ T6268] dump_stack_lvl+0xf4/0x15c [ 221.725143][ T6268] dump_stack+0x1c/0x5c [ 221.725866][ T6268] sysfs_create_dir_ns+0x244/0x264 [ 221.726682][ T6268] kobject_add_internal+0x5ac/0xc3c [ 221.727493][ T6268] kobject_init_and_add+0x124/0x190 [ 221.728321][ T6268] gfs2_sys_fs_add+0x200/0x41c [ 221.729061][ T6268] gfs2_fill_super+0xddc/0x1a18 [ 221.729881][ T6268] get_tree_bdev+0x358/0x544 [ 221.730605][ T6268] gfs2_get_tree+0x54/0x1b4 [ 221.731338][ T6268] vfs_get_tree+0x90/0x274 [ 221.732057][ T6268] do_new_mount+0x228/0x810 [ 221.732806][ T6268] path_mount+0x5bc/0x1008 [ 221.733523][ T6268] __arm64_sys_mount+0x514/0x5f0 [ 221.734261][ T6268] invoke_syscall+0x98/0x2b0 [ 221.734956][ T6268] el0_svc_common+0x138/0x258 [ 221.735690][ T6268] do_el0_svc+0x58/0x13c [ 221.736422][ T6268] el0_svc+0x78/0x1d0 [ 221.737054][ T6268] el0t_64_sync_handler+0xcc/0xe4 [ 221.737924][ T6268] el0t_64_sync+0x1a0/0x1a4 [ 221.738848][ T6268] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.740714][ T6268] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.874006][ T6270] loop1: detected capacity change from 0 to 32768 [ 221.932369][ T6270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.933532][ T6270] CPU: 1 PID: 6270 Comm: syz.1.657 Not tainted syzkaller #0 [ 221.934594][ T6270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 221.936175][ T6270] Call trace: [ 221.936709][ T6270] dump_backtrace+0x0/0x458 [ 221.937437][ T6270] show_stack+0x2c/0x3c [ 221.938101][ T6270] __dump_stack+0x30/0x40 [ 221.938789][ T6270] dump_stack_lvl+0xf4/0x15c [ 221.939544][ T6270] dump_stack+0x1c/0x5c [ 221.940210][ T6270] sysfs_create_dir_ns+0x244/0x264 [ 221.941134][ T6270] kobject_add_internal+0x5ac/0xc3c [ 221.942031][ T6270] kobject_init_and_add+0x124/0x190 [ 221.942946][ T6270] gfs2_sys_fs_add+0x200/0x41c [ 221.943734][ T6270] gfs2_fill_super+0xddc/0x1a18 [ 221.944534][ T6270] get_tree_bdev+0x358/0x544 [ 221.945268][ T6270] gfs2_get_tree+0x54/0x1b4 [ 221.946013][ T6270] vfs_get_tree+0x90/0x274 [ 221.946763][ T6270] do_new_mount+0x228/0x810 [ 221.947461][ T6270] path_mount+0x5bc/0x1008 [ 221.948211][ T6270] __arm64_sys_mount+0x514/0x5f0 [ 221.948962][ T6270] invoke_syscall+0x98/0x2b0 [ 221.949772][ T6270] el0_svc_common+0x138/0x258 [ 221.950558][ T6270] do_el0_svc+0x58/0x13c [ 221.951251][ T6270] el0_svc+0x78/0x1d0 [ 221.951938][ T6270] el0t_64_sync_handler+0xcc/0xe4 [ 221.952779][ T6270] el0t_64_sync+0x1a0/0x1a4 [ 221.955209][ T6270] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.957192][ T6270] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.088948][ T6272] loop1: detected capacity change from 0 to 32768 [ 222.123147][ T6272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.124545][ T6272] CPU: 1 PID: 6272 Comm: syz.1.658 Not tainted syzkaller #0 [ 222.125809][ T6272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.127538][ T6272] Call trace: [ 222.128082][ T6272] dump_backtrace+0x0/0x458 [ 222.128767][ T6272] show_stack+0x2c/0x3c [ 222.129485][ T6272] __dump_stack+0x30/0x40 [ 222.130213][ T6272] dump_stack_lvl+0xf4/0x15c [ 222.131035][ T6272] dump_stack+0x1c/0x5c [ 222.131697][ T6272] sysfs_create_dir_ns+0x244/0x264 [ 222.132552][ T6272] kobject_add_internal+0x5ac/0xc3c [ 222.133429][ T6272] kobject_init_and_add+0x124/0x190 [ 222.134262][ T6272] gfs2_sys_fs_add+0x200/0x41c [ 222.135030][ T6272] gfs2_fill_super+0xddc/0x1a18 [ 222.135819][ T6272] get_tree_bdev+0x358/0x544 [ 222.136531][ T6272] gfs2_get_tree+0x54/0x1b4 [ 222.137228][ T6272] vfs_get_tree+0x90/0x274 [ 222.137968][ T6272] do_new_mount+0x228/0x810 [ 222.138717][ T6272] path_mount+0x5bc/0x1008 [ 222.139508][ T6272] __arm64_sys_mount+0x514/0x5f0 [ 222.140345][ T6272] invoke_syscall+0x98/0x2b0 [ 222.141131][ T6272] el0_svc_common+0x138/0x258 [ 222.141929][ T6272] do_el0_svc+0x58/0x13c [ 222.142647][ T6272] el0_svc+0x78/0x1d0 [ 222.143293][ T6272] el0t_64_sync_handler+0xcc/0xe4 [ 222.144090][ T6272] el0t_64_sync+0x1a0/0x1a4 [ 222.146428][ T6272] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.148383][ T6272] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.280779][ T6274] loop1: detected capacity change from 0 to 32768 [ 222.288698][ T6274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.289906][ T6274] CPU: 1 PID: 6274 Comm: syz.1.659 Not tainted syzkaller #0 [ 222.291035][ T6274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.292799][ T6274] Call trace: [ 222.293358][ T6274] dump_backtrace+0x0/0x458 [ 222.294113][ T6274] show_stack+0x2c/0x3c [ 222.294793][ T6274] __dump_stack+0x30/0x40 [ 222.295474][ T6274] dump_stack_lvl+0xf4/0x15c [ 222.296215][ T6274] dump_stack+0x1c/0x5c [ 222.296882][ T6274] sysfs_create_dir_ns+0x244/0x264 [ 222.297747][ T6274] kobject_add_internal+0x5ac/0xc3c [ 222.298562][ T6274] kobject_init_and_add+0x124/0x190 [ 222.299379][ T6274] gfs2_sys_fs_add+0x200/0x41c [ 222.300041][ T6274] gfs2_fill_super+0xddc/0x1a18 [ 222.300791][ T6274] get_tree_bdev+0x358/0x544 [ 222.301437][ T6274] gfs2_get_tree+0x54/0x1b4 [ 222.302213][ T6274] vfs_get_tree+0x90/0x274 [ 222.302968][ T6274] do_new_mount+0x228/0x810 [ 222.303716][ T6274] path_mount+0x5bc/0x1008 [ 222.304469][ T6274] __arm64_sys_mount+0x514/0x5f0 [ 222.305272][ T6274] invoke_syscall+0x98/0x2b0 [ 222.306016][ T6274] el0_svc_common+0x138/0x258 [ 222.306750][ T6274] do_el0_svc+0x58/0x13c [ 222.307407][ T6274] el0_svc+0x78/0x1d0 [ 222.308021][ T6274] el0t_64_sync_handler+0xcc/0xe4 [ 222.308884][ T6274] el0t_64_sync+0x1a0/0x1a4 [ 222.310078][ T6274] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.312179][ T6274] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.446383][ T6276] loop1: detected capacity change from 0 to 32768 [ 222.453928][ T6276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.455188][ T6276] CPU: 0 PID: 6276 Comm: syz.1.660 Not tainted syzkaller #0 [ 222.456341][ T6276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.457953][ T6276] Call trace: [ 222.458453][ T6276] dump_backtrace+0x0/0x458 [ 222.459170][ T6276] show_stack+0x2c/0x3c [ 222.459827][ T6276] __dump_stack+0x30/0x40 [ 222.460513][ T6276] dump_stack_lvl+0xf4/0x15c [ 222.461294][ T6276] dump_stack+0x1c/0x5c [ 222.462034][ T6276] sysfs_create_dir_ns+0x244/0x264 [ 222.462848][ T6276] kobject_add_internal+0x5ac/0xc3c [ 222.463691][ T6276] kobject_init_and_add+0x124/0x190 [ 222.464584][ T6276] gfs2_sys_fs_add+0x200/0x41c [ 222.465398][ T6276] gfs2_fill_super+0xddc/0x1a18 [ 222.466167][ T6276] get_tree_bdev+0x358/0x544 [ 222.466875][ T6276] gfs2_get_tree+0x54/0x1b4 [ 222.467631][ T6276] vfs_get_tree+0x90/0x274 [ 222.468405][ T6276] do_new_mount+0x228/0x810 [ 222.469229][ T6276] path_mount+0x5bc/0x1008 [ 222.469983][ T6276] __arm64_sys_mount+0x514/0x5f0 [ 222.470789][ T6276] invoke_syscall+0x98/0x2b0 [ 222.471530][ T6276] el0_svc_common+0x138/0x258 [ 222.472325][ T6276] do_el0_svc+0x58/0x13c [ 222.472947][ T6276] el0_svc+0x78/0x1d0 [ 222.473617][ T6276] el0t_64_sync_handler+0xcc/0xe4 [ 222.474395][ T6276] el0t_64_sync+0x1a0/0x1a4 [ 222.476493][ T6276] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.478355][ T6276] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.619795][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.621099][ T6278] CPU: 1 PID: 6278 Comm: syz.1.661 Not tainted syzkaller #0 [ 222.622272][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.624011][ T6278] Call trace: [ 222.624574][ T6278] dump_backtrace+0x0/0x458 [ 222.625295][ T6278] show_stack+0x2c/0x3c [ 222.626017][ T6278] __dump_stack+0x30/0x40 [ 222.626735][ T6278] dump_stack_lvl+0xf4/0x15c [ 222.627529][ T6278] dump_stack+0x1c/0x5c [ 222.628179][ T6278] sysfs_create_dir_ns+0x244/0x264 [ 222.629027][ T6278] kobject_add_internal+0x5ac/0xc3c [ 222.629834][ T6278] kobject_init_and_add+0x124/0x190 [ 222.630678][ T6278] gfs2_sys_fs_add+0x200/0x41c [ 222.631446][ T6278] gfs2_fill_super+0xddc/0x1a18 [ 222.632268][ T6278] get_tree_bdev+0x358/0x544 [ 222.633013][ T6278] gfs2_get_tree+0x54/0x1b4 [ 222.633753][ T6278] vfs_get_tree+0x90/0x274 [ 222.634484][ T6278] do_new_mount+0x228/0x810 [ 222.635261][ T6278] path_mount+0x5bc/0x1008 [ 222.636008][ T6278] __arm64_sys_mount+0x514/0x5f0 [ 222.636796][ T6278] invoke_syscall+0x98/0x2b0 [ 222.637517][ T6278] el0_svc_common+0x138/0x258 [ 222.638302][ T6278] do_el0_svc+0x58/0x13c [ 222.639000][ T6278] el0_svc+0x78/0x1d0 [ 222.639659][ T6278] el0t_64_sync_handler+0xcc/0xe4 [ 222.640462][ T6278] el0t_64_sync+0x1a0/0x1a4 [ 222.641773][ T6278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.643595][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.786285][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.787675][ T6280] CPU: 0 PID: 6280 Comm: syz.1.662 Not tainted syzkaller #0 [ 222.788891][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.790565][ T6280] Call trace: [ 222.791105][ T6280] dump_backtrace+0x0/0x458 [ 222.791847][ T6280] show_stack+0x2c/0x3c [ 222.792551][ T6280] __dump_stack+0x30/0x40 [ 222.793224][ T6280] dump_stack_lvl+0xf4/0x15c [ 222.794036][ T6280] dump_stack+0x1c/0x5c [ 222.794738][ T6280] sysfs_create_dir_ns+0x244/0x264 [ 222.795608][ T6280] kobject_add_internal+0x5ac/0xc3c [ 222.796476][ T6280] kobject_init_and_add+0x124/0x190 [ 222.797292][ T6280] gfs2_sys_fs_add+0x200/0x41c [ 222.798035][ T6280] gfs2_fill_super+0xddc/0x1a18 [ 222.798792][ T6280] get_tree_bdev+0x358/0x544 [ 222.799487][ T6280] gfs2_get_tree+0x54/0x1b4 [ 222.800168][ T6280] vfs_get_tree+0x90/0x274 [ 222.800953][ T6280] do_new_mount+0x228/0x810 [ 222.801758][ T6280] path_mount+0x5bc/0x1008 [ 222.802425][ T6280] __arm64_sys_mount+0x514/0x5f0 [ 222.803184][ T6280] invoke_syscall+0x98/0x2b0 [ 222.803992][ T6280] el0_svc_common+0x138/0x258 [ 222.804773][ T6280] do_el0_svc+0x58/0x13c [ 222.805449][ T6280] el0_svc+0x78/0x1d0 [ 222.806122][ T6280] el0t_64_sync_handler+0xcc/0xe4 [ 222.806950][ T6280] el0t_64_sync+0x1a0/0x1a4 [ 222.807772][ T6280] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.809841][ T6280] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.951552][ T6282] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.952771][ T6282] CPU: 1 PID: 6282 Comm: syz.1.663 Not tainted syzkaller #0 [ 222.953910][ T6282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 222.955401][ T6282] Call trace: [ 222.955896][ T6282] dump_backtrace+0x0/0x458 [ 222.956576][ T6282] show_stack+0x2c/0x3c [ 222.957184][ T6282] __dump_stack+0x30/0x40 [ 222.957787][ T6282] dump_stack_lvl+0xf4/0x15c [ 222.958468][ T6282] dump_stack+0x1c/0x5c [ 222.959102][ T6282] sysfs_create_dir_ns+0x244/0x264 [ 222.960001][ T6282] kobject_add_internal+0x5ac/0xc3c [ 222.960892][ T6282] kobject_init_and_add+0x124/0x190 [ 222.961641][ T6282] gfs2_sys_fs_add+0x200/0x41c [ 222.962378][ T6282] gfs2_fill_super+0xddc/0x1a18 [ 222.963185][ T6282] get_tree_bdev+0x358/0x544 [ 222.963946][ T6282] gfs2_get_tree+0x54/0x1b4 [ 222.964730][ T6282] vfs_get_tree+0x90/0x274 [ 222.965464][ T6282] do_new_mount+0x228/0x810 [ 222.966193][ T6282] path_mount+0x5bc/0x1008 [ 222.966951][ T6282] __arm64_sys_mount+0x514/0x5f0 [ 222.967806][ T6282] invoke_syscall+0x98/0x2b0 [ 222.968531][ T6282] el0_svc_common+0x138/0x258 [ 222.969214][ T6282] do_el0_svc+0x58/0x13c [ 222.969890][ T6282] el0_svc+0x78/0x1d0 [ 222.970507][ T6282] el0t_64_sync_handler+0xcc/0xe4 [ 222.971294][ T6282] el0t_64_sync+0x1a0/0x1a4 [ 222.973660][ T6282] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.975548][ T6282] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.196110][ T6284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.197371][ T6284] CPU: 0 PID: 6284 Comm: syz.1.664 Not tainted syzkaller #0 [ 223.198506][ T6284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 223.200137][ T6284] Call trace: [ 223.200620][ T6284] dump_backtrace+0x0/0x458 [ 223.201371][ T6284] show_stack+0x2c/0x3c [ 223.201943][ T6284] __dump_stack+0x30/0x40 [ 223.202566][ T6284] dump_stack_lvl+0xf4/0x15c [ 223.203270][ T6284] dump_stack+0x1c/0x5c [ 223.203947][ T6284] sysfs_create_dir_ns+0x244/0x264 [ 223.204804][ T6284] kobject_add_internal+0x5ac/0xc3c [ 223.205683][ T6284] kobject_init_and_add+0x124/0x190 [ 223.206530][ T6284] gfs2_sys_fs_add+0x200/0x41c [ 223.207296][ T6284] gfs2_fill_super+0xddc/0x1a18 [ 223.208044][ T6284] get_tree_bdev+0x358/0x544 [ 223.208770][ T6284] gfs2_get_tree+0x54/0x1b4 [ 223.209711][ T6284] vfs_get_tree+0x90/0x274 [ 223.210434][ T6284] do_new_mount+0x228/0x810 [ 223.211245][ T6284] path_mount+0x5bc/0x1008 [ 223.211992][ T6284] __arm64_sys_mount+0x514/0x5f0 [ 223.212745][ T6284] invoke_syscall+0x98/0x2b0 [ 223.213522][ T6284] el0_svc_common+0x138/0x258 [ 223.214286][ T6284] do_el0_svc+0x58/0x13c [ 223.214975][ T6284] el0_svc+0x78/0x1d0 [ 223.215625][ T6284] el0t_64_sync_handler+0xcc/0xe4 [ 223.216486][ T6284] el0t_64_sync+0x1a0/0x1a4 [ 223.217986][ T6284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.220180][ T6284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.363581][ T6286] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.364912][ T6286] CPU: 1 PID: 6286 Comm: syz.1.665 Not tainted syzkaller #0 [ 223.366162][ T6286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 223.367741][ T6286] Call trace: [ 223.368238][ T6286] dump_backtrace+0x0/0x458 [ 223.368940][ T6286] show_stack+0x2c/0x3c [ 223.369538][ T6286] __dump_stack+0x30/0x40 [ 223.370168][ T6286] dump_stack_lvl+0xf4/0x15c [ 223.370852][ T6286] dump_stack+0x1c/0x5c [ 223.371556][ T6286] sysfs_create_dir_ns+0x244/0x264 [ 223.372342][ T6286] kobject_add_internal+0x5ac/0xc3c [ 223.373223][ T6286] kobject_init_and_add+0x124/0x190 [ 223.374123][ T6286] gfs2_sys_fs_add+0x200/0x41c [ 223.374953][ T6286] gfs2_fill_super+0xddc/0x1a18 [ 223.375736][ T6286] get_tree_bdev+0x358/0x544 [ 223.376454][ T6286] gfs2_get_tree+0x54/0x1b4 [ 223.377189][ T6286] vfs_get_tree+0x90/0x274 [ 223.377892][ T6286] do_new_mount+0x228/0x810 [ 223.378628][ T6286] path_mount+0x5bc/0x1008 [ 223.379324][ T6286] __arm64_sys_mount+0x514/0x5f0 [ 223.380093][ T6286] invoke_syscall+0x98/0x2b0 [ 223.380880][ T6286] el0_svc_common+0x138/0x258 [ 223.381627][ T6286] do_el0_svc+0x58/0x13c [ 223.382238][ T6286] el0_svc+0x78/0x1d0 [ 223.382838][ T6286] el0t_64_sync_handler+0xcc/0xe4 [ 223.383679][ T6286] el0t_64_sync+0x1a0/0x1a4 [ 223.384639][ T6286] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.386878][ T6286] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.597047][ T6288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.598435][ T6288] CPU: 0 PID: 6288 Comm: syz.1.666 Not tainted syzkaller #0 [ 223.599440][ T6288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 223.601065][ T6288] Call trace: [ 223.601649][ T6288] dump_backtrace+0x0/0x458 [ 223.602345][ T6288] show_stack+0x2c/0x3c [ 223.602996][ T6288] __dump_stack+0x30/0x40 [ 223.603630][ T6288] dump_stack_lvl+0xf4/0x15c [ 223.604350][ T6288] dump_stack+0x1c/0x5c [ 223.604979][ T6288] sysfs_create_dir_ns+0x244/0x264 [ 223.605769][ T6288] kobject_add_internal+0x5ac/0xc3c [ 223.606520][ T6288] kobject_init_and_add+0x124/0x190 [ 223.607261][ T6288] gfs2_sys_fs_add+0x200/0x41c [ 223.608014][ T6288] gfs2_fill_super+0xddc/0x1a18 [ 223.608765][ T6288] get_tree_bdev+0x358/0x544 [ 223.609406][ T6288] gfs2_get_tree+0x54/0x1b4 [ 223.610060][ T6288] vfs_get_tree+0x90/0x274 [ 223.610786][ T6288] do_new_mount+0x228/0x810 [ 223.611518][ T6288] path_mount+0x5bc/0x1008 [ 223.612243][ T6288] __arm64_sys_mount+0x514/0x5f0 [ 223.612983][ T6288] invoke_syscall+0x98/0x2b0 [ 223.613727][ T6288] el0_svc_common+0x138/0x258 [ 223.614460][ T6288] do_el0_svc+0x58/0x13c [ 223.615153][ T6288] el0_svc+0x78/0x1d0 [ 223.615827][ T6288] el0t_64_sync_handler+0xcc/0xe4 [ 223.616604][ T6288] el0t_64_sync+0x1a0/0x1a4 [ 223.619773][ T6288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.622007][ T6288] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.886814][ T6290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.888040][ T6290] CPU: 1 PID: 6290 Comm: syz.1.667 Not tainted syzkaller #0 [ 223.889262][ T6290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 223.890832][ T6290] Call trace: [ 223.891367][ T6290] dump_backtrace+0x0/0x458 [ 223.892075][ T6290] show_stack+0x2c/0x3c [ 223.892770][ T6290] __dump_stack+0x30/0x40 [ 223.893438][ T6290] dump_stack_lvl+0xf4/0x15c [ 223.894125][ T6290] dump_stack+0x1c/0x5c [ 223.894748][ T6290] sysfs_create_dir_ns+0x244/0x264 [ 223.895622][ T6290] kobject_add_internal+0x5ac/0xc3c [ 223.896456][ T6290] kobject_init_and_add+0x124/0x190 [ 223.897247][ T6290] gfs2_sys_fs_add+0x200/0x41c [ 223.897964][ T6290] gfs2_fill_super+0xddc/0x1a18 [ 223.898696][ T6290] get_tree_bdev+0x358/0x544 [ 223.899400][ T6290] gfs2_get_tree+0x54/0x1b4 [ 223.900116][ T6290] vfs_get_tree+0x90/0x274 [ 223.900789][ T6290] do_new_mount+0x228/0x810 [ 223.901599][ T6290] path_mount+0x5bc/0x1008 [ 223.902373][ T6290] __arm64_sys_mount+0x514/0x5f0 [ 223.903199][ T6290] invoke_syscall+0x98/0x2b0 [ 223.903954][ T6290] el0_svc_common+0x138/0x258 [ 223.904732][ T6290] do_el0_svc+0x58/0x13c [ 223.905396][ T6290] el0_svc+0x78/0x1d0 [ 223.906026][ T6290] el0t_64_sync_handler+0xcc/0xe4 [ 223.906848][ T6290] el0t_64_sync+0x1a0/0x1a4 [ 223.908278][ T6290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.910448][ T6290] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.090143][ T6292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.091952][ T6292] CPU: 1 PID: 6292 Comm: syz.1.668 Not tainted syzkaller #0 [ 224.093142][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.094755][ T6292] Call trace: [ 224.095289][ T6292] dump_backtrace+0x0/0x458 [ 224.096013][ T6292] show_stack+0x2c/0x3c [ 224.096671][ T6292] __dump_stack+0x30/0x40 [ 224.097325][ T6292] dump_stack_lvl+0xf4/0x15c [ 224.097986][ T6292] dump_stack+0x1c/0x5c [ 224.098594][ T6292] sysfs_create_dir_ns+0x244/0x264 [ 224.099384][ T6292] kobject_add_internal+0x5ac/0xc3c [ 224.100135][ T6292] kobject_init_and_add+0x124/0x190 [ 224.100886][ T6292] gfs2_sys_fs_add+0x200/0x41c [ 224.101613][ T6292] gfs2_fill_super+0xddc/0x1a18 [ 224.102306][ T6292] get_tree_bdev+0x358/0x544 [ 224.102992][ T6292] gfs2_get_tree+0x54/0x1b4 [ 224.103644][ T6292] vfs_get_tree+0x90/0x274 [ 224.104405][ T6292] do_new_mount+0x228/0x810 [ 224.105155][ T6292] path_mount+0x5bc/0x1008 [ 224.105902][ T6292] __arm64_sys_mount+0x514/0x5f0 [ 224.106741][ T6292] invoke_syscall+0x98/0x2b0 [ 224.107455][ T6292] el0_svc_common+0x138/0x258 [ 224.108228][ T6292] do_el0_svc+0x58/0x13c [ 224.108802][ T6292] el0_svc+0x78/0x1d0 [ 224.109418][ T6292] el0t_64_sync_handler+0xcc/0xe4 [ 224.110175][ T6292] el0t_64_sync+0x1a0/0x1a4 [ 224.112585][ T6292] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.114547][ T6292] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.257586][ T6294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.259070][ T6294] CPU: 0 PID: 6294 Comm: syz.1.669 Not tainted syzkaller #0 [ 224.260262][ T6294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.261861][ T6294] Call trace: [ 224.262377][ T6294] dump_backtrace+0x0/0x458 [ 224.263086][ T6294] show_stack+0x2c/0x3c [ 224.263713][ T6294] __dump_stack+0x30/0x40 [ 224.264436][ T6294] dump_stack_lvl+0xf4/0x15c [ 224.265163][ T6294] dump_stack+0x1c/0x5c [ 224.265789][ T6294] sysfs_create_dir_ns+0x244/0x264 [ 224.266543][ T6294] kobject_add_internal+0x5ac/0xc3c [ 224.267343][ T6294] kobject_init_and_add+0x124/0x190 [ 224.268176][ T6294] gfs2_sys_fs_add+0x200/0x41c [ 224.268925][ T6294] gfs2_fill_super+0xddc/0x1a18 [ 224.269623][ T6294] get_tree_bdev+0x358/0x544 [ 224.270304][ T6294] gfs2_get_tree+0x54/0x1b4 [ 224.270981][ T6294] vfs_get_tree+0x90/0x274 [ 224.271661][ T6294] do_new_mount+0x228/0x810 [ 224.272388][ T6294] path_mount+0x5bc/0x1008 [ 224.273163][ T6294] __arm64_sys_mount+0x514/0x5f0 [ 224.273988][ T6294] invoke_syscall+0x98/0x2b0 [ 224.274785][ T6294] el0_svc_common+0x138/0x258 [ 224.275540][ T6294] do_el0_svc+0x58/0x13c [ 224.276260][ T6294] el0_svc+0x78/0x1d0 [ 224.276929][ T6294] el0t_64_sync_handler+0xcc/0xe4 [ 224.277760][ T6294] el0t_64_sync+0x1a0/0x1a4 [ 224.279493][ T6294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.281640][ T6294] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.472612][ T6296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.473780][ T6296] CPU: 1 PID: 6296 Comm: syz.1.670 Not tainted syzkaller #0 [ 224.474896][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.476367][ T6296] Call trace: [ 224.476838][ T6296] dump_backtrace+0x0/0x458 [ 224.477464][ T6296] show_stack+0x2c/0x3c [ 224.478056][ T6296] __dump_stack+0x30/0x40 [ 224.478829][ T6296] dump_stack_lvl+0xf4/0x15c [ 224.479584][ T6296] dump_stack+0x1c/0x5c [ 224.480255][ T6296] sysfs_create_dir_ns+0x244/0x264 [ 224.481044][ T6296] kobject_add_internal+0x5ac/0xc3c [ 224.481854][ T6296] kobject_init_and_add+0x124/0x190 [ 224.482673][ T6296] gfs2_sys_fs_add+0x200/0x41c [ 224.483416][ T6296] gfs2_fill_super+0xddc/0x1a18 [ 224.484244][ T6296] get_tree_bdev+0x358/0x544 [ 224.485035][ T6296] gfs2_get_tree+0x54/0x1b4 [ 224.485782][ T6296] vfs_get_tree+0x90/0x274 [ 224.486512][ T6296] do_new_mount+0x228/0x810 [ 224.487224][ T6296] path_mount+0x5bc/0x1008 [ 224.487918][ T6296] __arm64_sys_mount+0x514/0x5f0 [ 224.488670][ T6296] invoke_syscall+0x98/0x2b0 [ 224.489410][ T6296] el0_svc_common+0x138/0x258 [ 224.490148][ T6296] do_el0_svc+0x58/0x13c [ 224.490846][ T6296] el0_svc+0x78/0x1d0 [ 224.491527][ T6296] el0t_64_sync_handler+0xcc/0xe4 [ 224.492387][ T6296] el0t_64_sync+0x1a0/0x1a4 [ 224.494933][ T6296] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.496875][ T6296] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.717511][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.718736][ T6298] CPU: 1 PID: 6298 Comm: syz.1.671 Not tainted syzkaller #0 [ 224.719839][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.721298][ T6298] Call trace: [ 224.721775][ T6298] dump_backtrace+0x0/0x458 [ 224.722480][ T6298] show_stack+0x2c/0x3c [ 224.723146][ T6298] __dump_stack+0x30/0x40 [ 224.723788][ T6298] dump_stack_lvl+0xf4/0x15c [ 224.724518][ T6298] dump_stack+0x1c/0x5c [ 224.725212][ T6298] sysfs_create_dir_ns+0x244/0x264 [ 224.726000][ T6298] kobject_add_internal+0x5ac/0xc3c [ 224.726821][ T6298] kobject_init_and_add+0x124/0x190 [ 224.727616][ T6298] gfs2_sys_fs_add+0x200/0x41c [ 224.728347][ T6298] gfs2_fill_super+0xddc/0x1a18 [ 224.729068][ T6298] get_tree_bdev+0x358/0x544 [ 224.729781][ T6298] gfs2_get_tree+0x54/0x1b4 [ 224.730534][ T6298] vfs_get_tree+0x90/0x274 [ 224.731291][ T6298] do_new_mount+0x228/0x810 [ 224.732060][ T6298] path_mount+0x5bc/0x1008 [ 224.732760][ T6298] __arm64_sys_mount+0x514/0x5f0 [ 224.733525][ T6298] invoke_syscall+0x98/0x2b0 [ 224.734308][ T6298] el0_svc_common+0x138/0x258 [ 224.735080][ T6298] do_el0_svc+0x58/0x13c [ 224.735752][ T6298] el0_svc+0x78/0x1d0 [ 224.736383][ T6298] el0t_64_sync_handler+0xcc/0xe4 [ 224.737199][ T6298] el0t_64_sync+0x1a0/0x1a4 [ 224.739447][ T6298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.741575][ T6298] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.882770][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.883968][ T6300] CPU: 0 PID: 6300 Comm: syz.1.672 Not tainted syzkaller #0 [ 224.885110][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 224.886619][ T6300] Call trace: [ 224.887123][ T6300] dump_backtrace+0x0/0x458 [ 224.887879][ T6300] show_stack+0x2c/0x3c [ 224.888544][ T6300] __dump_stack+0x30/0x40 [ 224.889223][ T6300] dump_stack_lvl+0xf4/0x15c [ 224.889969][ T6300] dump_stack+0x1c/0x5c [ 224.890581][ T6300] sysfs_create_dir_ns+0x244/0x264 [ 224.891389][ T6300] kobject_add_internal+0x5ac/0xc3c [ 224.892280][ T6300] kobject_init_and_add+0x124/0x190 [ 224.893150][ T6300] gfs2_sys_fs_add+0x200/0x41c [ 224.893927][ T6300] gfs2_fill_super+0xddc/0x1a18 [ 224.894744][ T6300] get_tree_bdev+0x358/0x544 [ 224.895493][ T6300] gfs2_get_tree+0x54/0x1b4 [ 224.896174][ T6300] vfs_get_tree+0x90/0x274 [ 224.896858][ T6300] do_new_mount+0x228/0x810 [ 224.897582][ T6300] path_mount+0x5bc/0x1008 [ 224.898290][ T6300] __arm64_sys_mount+0x514/0x5f0 [ 224.899101][ T6300] invoke_syscall+0x98/0x2b0 [ 224.899816][ T6300] el0_svc_common+0x138/0x258 [ 224.900608][ T6300] do_el0_svc+0x58/0x13c [ 224.901397][ T6300] el0_svc+0x78/0x1d0 [ 224.902132][ T6300] el0t_64_sync_handler+0xcc/0xe4 [ 224.902984][ T6300] el0t_64_sync+0x1a0/0x1a4 [ 224.903919][ T6300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.906183][ T6300] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.083656][ T6302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.084997][ T6302] CPU: 1 PID: 6302 Comm: syz.1.673 Not tainted syzkaller #0 [ 225.086210][ T6302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.087844][ T6302] Call trace: [ 225.088303][ T6302] dump_backtrace+0x0/0x458 [ 225.088995][ T6302] show_stack+0x2c/0x3c [ 225.089659][ T6302] __dump_stack+0x30/0x40 [ 225.090449][ T6302] dump_stack_lvl+0xf4/0x15c [ 225.091269][ T6302] dump_stack+0x1c/0x5c [ 225.091991][ T6302] sysfs_create_dir_ns+0x244/0x264 [ 225.092860][ T6302] kobject_add_internal+0x5ac/0xc3c [ 225.093752][ T6302] kobject_init_and_add+0x124/0x190 [ 225.094562][ T6302] gfs2_sys_fs_add+0x200/0x41c [ 225.095323][ T6302] gfs2_fill_super+0xddc/0x1a18 [ 225.096140][ T6302] get_tree_bdev+0x358/0x544 [ 225.096850][ T6302] gfs2_get_tree+0x54/0x1b4 [ 225.097567][ T6302] vfs_get_tree+0x90/0x274 [ 225.098243][ T6302] do_new_mount+0x228/0x810 [ 225.098976][ T6302] path_mount+0x5bc/0x1008 [ 225.099674][ T6302] __arm64_sys_mount+0x514/0x5f0 [ 225.100473][ T6302] invoke_syscall+0x98/0x2b0 [ 225.101277][ T6302] el0_svc_common+0x138/0x258 [ 225.102088][ T6302] do_el0_svc+0x58/0x13c [ 225.102782][ T6302] el0_svc+0x78/0x1d0 [ 225.103402][ T6302] el0t_64_sync_handler+0xcc/0xe4 [ 225.104257][ T6302] el0t_64_sync+0x1a0/0x1a4 [ 225.106569][ T6302] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.108578][ T6302] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.244567][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.245787][ T6304] CPU: 1 PID: 6304 Comm: syz.1.674 Not tainted syzkaller #0 [ 225.246990][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.248609][ T6304] Call trace: [ 225.249122][ T6304] dump_backtrace+0x0/0x458 [ 225.249814][ T6304] show_stack+0x2c/0x3c [ 225.250524][ T6304] __dump_stack+0x30/0x40 [ 225.251231][ T6304] dump_stack_lvl+0xf4/0x15c [ 225.251983][ T6304] dump_stack+0x1c/0x5c [ 225.252671][ T6304] sysfs_create_dir_ns+0x244/0x264 [ 225.253532][ T6304] kobject_add_internal+0x5ac/0xc3c [ 225.254341][ T6304] kobject_init_and_add+0x124/0x190 [ 225.255187][ T6304] gfs2_sys_fs_add+0x200/0x41c [ 225.255909][ T6304] gfs2_fill_super+0xddc/0x1a18 [ 225.256689][ T6304] get_tree_bdev+0x358/0x544 [ 225.257436][ T6304] gfs2_get_tree+0x54/0x1b4 [ 225.258159][ T6304] vfs_get_tree+0x90/0x274 [ 225.258867][ T6304] do_new_mount+0x228/0x810 [ 225.259632][ T6304] path_mount+0x5bc/0x1008 [ 225.260374][ T6304] __arm64_sys_mount+0x514/0x5f0 [ 225.261090][ T6304] invoke_syscall+0x98/0x2b0 [ 225.261839][ T6304] el0_svc_common+0x138/0x258 [ 225.262610][ T6304] do_el0_svc+0x58/0x13c [ 225.263319][ T6304] el0_svc+0x78/0x1d0 [ 225.264057][ T6304] el0t_64_sync_handler+0xcc/0xe4 [ 225.264823][ T6304] el0t_64_sync+0x1a0/0x1a4 [ 225.267291][ T6304] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.269714][ T6304] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.411527][ T6306] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.412782][ T6306] CPU: 0 PID: 6306 Comm: syz.1.675 Not tainted syzkaller #0 [ 225.413853][ T6306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.415357][ T6306] Call trace: [ 225.415844][ T6306] dump_backtrace+0x0/0x458 [ 225.416598][ T6306] show_stack+0x2c/0x3c [ 225.417298][ T6306] __dump_stack+0x30/0x40 [ 225.418036][ T6306] dump_stack_lvl+0xf4/0x15c [ 225.418804][ T6306] dump_stack+0x1c/0x5c [ 225.419535][ T6306] sysfs_create_dir_ns+0x244/0x264 [ 225.420441][ T6306] kobject_add_internal+0x5ac/0xc3c [ 225.421337][ T6306] kobject_init_and_add+0x124/0x190 [ 225.422198][ T6306] gfs2_sys_fs_add+0x200/0x41c [ 225.422973][ T6306] gfs2_fill_super+0xddc/0x1a18 [ 225.423734][ T6306] get_tree_bdev+0x358/0x544 [ 225.424450][ T6306] gfs2_get_tree+0x54/0x1b4 [ 225.425180][ T6306] vfs_get_tree+0x90/0x274 [ 225.425919][ T6306] do_new_mount+0x228/0x810 [ 225.426618][ T6306] path_mount+0x5bc/0x1008 [ 225.427305][ T6306] __arm64_sys_mount+0x514/0x5f0 [ 225.428112][ T6306] invoke_syscall+0x98/0x2b0 [ 225.428878][ T6306] el0_svc_common+0x138/0x258 [ 225.429595][ T6306] do_el0_svc+0x58/0x13c [ 225.430225][ T6306] el0_svc+0x78/0x1d0 [ 225.430863][ T6306] el0t_64_sync_handler+0xcc/0xe4 [ 225.431717][ T6306] el0t_64_sync+0x1a0/0x1a4 [ 225.432645][ T6306] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.434709][ T6306] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 662 [ 225.565978][ T6308] set_capacity_and_notify: 15 callbacks suppressed [ 225.565988][ T6308] loop1: detected capacity change from 0 to 32768 [ 225.617022][ T6308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.618421][ T6308] CPU: 1 PID: 6308 Comm: syz.1.676 Not tainted syzkaller #0 [ 225.619569][ T6308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.621192][ T6308] Call trace: [ 225.621687][ T6308] dump_backtrace+0x0/0x458 [ 225.622551][ T6308] show_stack+0x2c/0x3c [ 225.623307][ T6308] __dump_stack+0x30/0x40 [ 225.624032][ T6308] dump_stack_lvl+0xf4/0x15c [ 225.624775][ T6308] dump_stack+0x1c/0x5c [ 225.625449][ T6308] sysfs_create_dir_ns+0x244/0x264 [ 225.626314][ T6308] kobject_add_internal+0x5ac/0xc3c [ 225.627159][ T6308] kobject_init_and_add+0x124/0x190 [ 225.628021][ T6308] gfs2_sys_fs_add+0x200/0x41c [ 225.628854][ T6308] gfs2_fill_super+0xddc/0x1a18 [ 225.629698][ T6308] get_tree_bdev+0x358/0x544 [ 225.630466][ T6308] gfs2_get_tree+0x54/0x1b4 [ 225.631210][ T6308] vfs_get_tree+0x90/0x274 [ 225.631862][ T6308] do_new_mount+0x228/0x810 [ 225.632575][ T6308] path_mount+0x5bc/0x1008 [ 225.633271][ T6308] __arm64_sys_mount+0x514/0x5f0 [ 225.634065][ T6308] invoke_syscall+0x98/0x2b0 [ 225.634843][ T6308] el0_svc_common+0x138/0x258 [ 225.635545][ T6308] do_el0_svc+0x58/0x13c [ 225.636195][ T6308] el0_svc+0x78/0x1d0 [ 225.636788][ T6308] el0t_64_sync_handler+0xcc/0xe4 [ 225.637694][ T6308] el0t_64_sync+0x1a0/0x1a4 [ 225.638634][ T6308] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.640874][ T6308] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.775169][ T6310] loop1: detected capacity change from 0 to 32768 [ 225.822371][ T6310] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.823556][ T6310] CPU: 0 PID: 6310 Comm: syz.1.677 Not tainted syzkaller #0 [ 225.824922][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 225.826577][ T6310] Call trace: [ 225.827082][ T6310] dump_backtrace+0x0/0x458 [ 225.827786][ T6310] show_stack+0x2c/0x3c [ 225.828382][ T6310] __dump_stack+0x30/0x40 [ 225.828991][ T6310] dump_stack_lvl+0xf4/0x15c [ 225.829680][ T6310] dump_stack+0x1c/0x5c [ 225.830399][ T6310] sysfs_create_dir_ns+0x244/0x264 [ 225.831140][ T6310] kobject_add_internal+0x5ac/0xc3c [ 225.831921][ T6310] kobject_init_and_add+0x124/0x190 [ 225.832703][ T6310] gfs2_sys_fs_add+0x200/0x41c [ 225.833429][ T6310] gfs2_fill_super+0xddc/0x1a18 [ 225.834134][ T6310] get_tree_bdev+0x358/0x544 [ 225.834847][ T6310] gfs2_get_tree+0x54/0x1b4 [ 225.835548][ T6310] vfs_get_tree+0x90/0x274 [ 225.836210][ T6310] do_new_mount+0x228/0x810 [ 225.836870][ T6310] path_mount+0x5bc/0x1008 [ 225.837603][ T6310] __arm64_sys_mount+0x514/0x5f0 [ 225.838435][ T6310] invoke_syscall+0x98/0x2b0 [ 225.839204][ T6310] el0_svc_common+0x138/0x258 [ 225.840038][ T6310] do_el0_svc+0x58/0x13c [ 225.840800][ T6310] el0_svc+0x78/0x1d0 [ 225.841540][ T6310] el0t_64_sync_handler+0xcc/0xe4 [ 225.842330][ T6310] el0t_64_sync+0x1a0/0x1a4 [ 225.843763][ T6310] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.845869][ T6310] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.974258][ T6312] loop1: detected capacity change from 0 to 32768 [ 226.066344][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.067574][ T6312] CPU: 1 PID: 6312 Comm: syz.1.678 Not tainted syzkaller #0 [ 226.068700][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.070418][ T6312] Call trace: [ 226.070923][ T6312] dump_backtrace+0x0/0x458 [ 226.071741][ T6312] show_stack+0x2c/0x3c [ 226.072483][ T6312] __dump_stack+0x30/0x40 [ 226.073198][ T6312] dump_stack_lvl+0xf4/0x15c [ 226.073949][ T6312] dump_stack+0x1c/0x5c [ 226.074654][ T6312] sysfs_create_dir_ns+0x244/0x264 [ 226.075460][ T6312] kobject_add_internal+0x5ac/0xc3c [ 226.076275][ T6312] kobject_init_and_add+0x124/0x190 [ 226.077070][ T6312] gfs2_sys_fs_add+0x200/0x41c [ 226.077806][ T6312] gfs2_fill_super+0xddc/0x1a18 [ 226.078538][ T6312] get_tree_bdev+0x358/0x544 [ 226.079267][ T6312] gfs2_get_tree+0x54/0x1b4 [ 226.080015][ T6312] vfs_get_tree+0x90/0x274 [ 226.080761][ T6312] do_new_mount+0x228/0x810 [ 226.081503][ T6312] path_mount+0x5bc/0x1008 [ 226.082153][ T6312] __arm64_sys_mount+0x514/0x5f0 [ 226.082959][ T6312] invoke_syscall+0x98/0x2b0 [ 226.083642][ T6312] el0_svc_common+0x138/0x258 [ 226.084342][ T6312] do_el0_svc+0x58/0x13c [ 226.084959][ T6312] el0_svc+0x78/0x1d0 [ 226.085621][ T6312] el0t_64_sync_handler+0xcc/0xe4 [ 226.086533][ T6312] el0t_64_sync+0x1a0/0x1a4 [ 226.087518][ T6312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.089643][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.221090][ T6314] loop1: detected capacity change from 0 to 32768 [ 226.315549][ T6314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.316731][ T6314] CPU: 0 PID: 6314 Comm: syz.1.679 Not tainted syzkaller #0 [ 226.317885][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.319351][ T6314] Call trace: [ 226.319840][ T6314] dump_backtrace+0x0/0x458 [ 226.320531][ T6314] show_stack+0x2c/0x3c [ 226.321164][ T6314] __dump_stack+0x30/0x40 [ 226.321798][ T6314] dump_stack_lvl+0xf4/0x15c [ 226.322501][ T6314] dump_stack+0x1c/0x5c [ 226.323098][ T6314] sysfs_create_dir_ns+0x244/0x264 [ 226.323908][ T6314] kobject_add_internal+0x5ac/0xc3c [ 226.324635][ T6314] kobject_init_and_add+0x124/0x190 [ 226.325485][ T6314] gfs2_sys_fs_add+0x200/0x41c [ 226.326244][ T6314] gfs2_fill_super+0xddc/0x1a18 [ 226.326983][ T6314] get_tree_bdev+0x358/0x544 [ 226.327690][ T6314] gfs2_get_tree+0x54/0x1b4 [ 226.328466][ T6314] vfs_get_tree+0x90/0x274 [ 226.329195][ T6314] do_new_mount+0x228/0x810 [ 226.329951][ T6314] path_mount+0x5bc/0x1008 [ 226.330582][ T6314] __arm64_sys_mount+0x514/0x5f0 [ 226.331355][ T6314] invoke_syscall+0x98/0x2b0 [ 226.332132][ T6314] el0_svc_common+0x138/0x258 [ 226.332905][ T6314] do_el0_svc+0x58/0x13c [ 226.333619][ T6314] el0_svc+0x78/0x1d0 [ 226.334299][ T6314] el0t_64_sync_handler+0xcc/0xe4 [ 226.335025][ T6314] el0t_64_sync+0x1a0/0x1a4 [ 226.337240][ T6314] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.339294][ T6314] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.474059][ T6316] loop1: detected capacity change from 0 to 32768 [ 226.481538][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.482988][ T6316] CPU: 1 PID: 6316 Comm: syz.1.680 Not tainted syzkaller #0 [ 226.484190][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.485824][ T6316] Call trace: [ 226.486405][ T6316] dump_backtrace+0x0/0x458 [ 226.487198][ T6316] show_stack+0x2c/0x3c [ 226.487870][ T6316] __dump_stack+0x30/0x40 [ 226.488501][ T6316] dump_stack_lvl+0xf4/0x15c [ 226.489295][ T6316] dump_stack+0x1c/0x5c [ 226.489889][ T6316] sysfs_create_dir_ns+0x244/0x264 [ 226.490656][ T6316] kobject_add_internal+0x5ac/0xc3c [ 226.491586][ T6316] kobject_init_and_add+0x124/0x190 [ 226.492430][ T6316] gfs2_sys_fs_add+0x200/0x41c [ 226.493206][ T6316] gfs2_fill_super+0xddc/0x1a18 [ 226.493982][ T6316] get_tree_bdev+0x358/0x544 [ 226.494786][ T6316] gfs2_get_tree+0x54/0x1b4 [ 226.495558][ T6316] vfs_get_tree+0x90/0x274 [ 226.496290][ T6316] do_new_mount+0x228/0x810 [ 226.497029][ T6316] path_mount+0x5bc/0x1008 [ 226.497770][ T6316] __arm64_sys_mount+0x514/0x5f0 [ 226.498572][ T6316] invoke_syscall+0x98/0x2b0 [ 226.499352][ T6316] el0_svc_common+0x138/0x258 [ 226.500133][ T6316] do_el0_svc+0x58/0x13c [ 226.500832][ T6316] el0_svc+0x78/0x1d0 [ 226.501516][ T6316] el0t_64_sync_handler+0xcc/0xe4 [ 226.502299][ T6316] el0t_64_sync+0x1a0/0x1a4 [ 226.504719][ T6316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.506720][ T6316] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.650798][ T6318] loop1: detected capacity change from 0 to 32768 [ 226.658345][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.659535][ T6318] CPU: 0 PID: 6318 Comm: syz.1.681 Not tainted syzkaller #0 [ 226.660697][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.662307][ T6318] Call trace: [ 226.662855][ T6318] dump_backtrace+0x0/0x458 [ 226.663618][ T6318] show_stack+0x2c/0x3c [ 226.664334][ T6318] __dump_stack+0x30/0x40 [ 226.665075][ T6318] dump_stack_lvl+0xf4/0x15c [ 226.665831][ T6318] dump_stack+0x1c/0x5c [ 226.666508][ T6318] sysfs_create_dir_ns+0x244/0x264 [ 226.667373][ T6318] kobject_add_internal+0x5ac/0xc3c [ 226.668210][ T6318] kobject_init_and_add+0x124/0x190 [ 226.669051][ T6318] gfs2_sys_fs_add+0x200/0x41c [ 226.669837][ T6318] gfs2_fill_super+0xddc/0x1a18 [ 226.670606][ T6318] get_tree_bdev+0x358/0x544 [ 226.671338][ T6318] gfs2_get_tree+0x54/0x1b4 [ 226.672050][ T6318] vfs_get_tree+0x90/0x274 [ 226.672743][ T6318] do_new_mount+0x228/0x810 [ 226.673394][ T6318] path_mount+0x5bc/0x1008 [ 226.674127][ T6318] __arm64_sys_mount+0x514/0x5f0 [ 226.674967][ T6318] invoke_syscall+0x98/0x2b0 [ 226.675720][ T6318] el0_svc_common+0x138/0x258 [ 226.676463][ T6318] do_el0_svc+0x58/0x13c [ 226.677154][ T6318] el0_svc+0x78/0x1d0 [ 226.677803][ T6318] el0t_64_sync_handler+0xcc/0xe4 [ 226.678642][ T6318] el0t_64_sync+0x1a0/0x1a4 [ 226.679632][ T6318] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.681895][ T6318] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.815370][ T6320] loop1: detected capacity change from 0 to 32768 [ 226.856107][ T6320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.857405][ T6320] CPU: 0 PID: 6320 Comm: syz.1.682 Not tainted syzkaller #0 [ 226.858501][ T6320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 226.860009][ T6320] Call trace: [ 226.860473][ T6320] dump_backtrace+0x0/0x458 [ 226.861212][ T6320] show_stack+0x2c/0x3c [ 226.861872][ T6320] __dump_stack+0x30/0x40 [ 226.862526][ T6320] dump_stack_lvl+0xf4/0x15c [ 226.863238][ T6320] dump_stack+0x1c/0x5c [ 226.863900][ T6320] sysfs_create_dir_ns+0x244/0x264 [ 226.864741][ T6320] kobject_add_internal+0x5ac/0xc3c [ 226.865627][ T6320] kobject_init_and_add+0x124/0x190 [ 226.866486][ T6320] gfs2_sys_fs_add+0x200/0x41c [ 226.867368][ T6320] gfs2_fill_super+0xddc/0x1a18 [ 226.868206][ T6320] get_tree_bdev+0x358/0x544 [ 226.868972][ T6320] gfs2_get_tree+0x54/0x1b4 [ 226.869774][ T6320] vfs_get_tree+0x90/0x274 [ 226.870544][ T6320] do_new_mount+0x228/0x810 [ 226.871249][ T6320] path_mount+0x5bc/0x1008 [ 226.871915][ T6320] __arm64_sys_mount+0x514/0x5f0 [ 226.872696][ T6320] invoke_syscall+0x98/0x2b0 [ 226.873371][ T6320] el0_svc_common+0x138/0x258 [ 226.874165][ T6320] do_el0_svc+0x58/0x13c [ 226.874934][ T6320] el0_svc+0x78/0x1d0 [ 226.875574][ T6320] el0t_64_sync_handler+0xcc/0xe4 [ 226.876427][ T6320] el0t_64_sync+0x1a0/0x1a4 [ 226.878189][ T6320] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.880304][ T6320] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.010979][ T6322] loop1: detected capacity change from 0 to 32768 [ 227.052791][ T6322] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.053972][ T6322] CPU: 1 PID: 6322 Comm: syz.1.683 Not tainted syzkaller #0 [ 227.055027][ T6322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.056525][ T6322] Call trace: [ 227.057071][ T6322] dump_backtrace+0x0/0x458 [ 227.057777][ T6322] show_stack+0x2c/0x3c [ 227.058439][ T6322] __dump_stack+0x30/0x40 [ 227.059060][ T6322] dump_stack_lvl+0xf4/0x15c [ 227.059790][ T6322] dump_stack+0x1c/0x5c [ 227.060357][ T6322] sysfs_create_dir_ns+0x244/0x264 [ 227.061100][ T6322] kobject_add_internal+0x5ac/0xc3c [ 227.061983][ T6322] kobject_init_and_add+0x124/0x190 [ 227.062809][ T6322] gfs2_sys_fs_add+0x200/0x41c [ 227.063510][ T6322] gfs2_fill_super+0xddc/0x1a18 [ 227.064256][ T6322] get_tree_bdev+0x358/0x544 [ 227.064953][ T6322] gfs2_get_tree+0x54/0x1b4 [ 227.065607][ T6322] vfs_get_tree+0x90/0x274 [ 227.066235][ T6322] do_new_mount+0x228/0x810 [ 227.066936][ T6322] path_mount+0x5bc/0x1008 [ 227.067630][ T6322] __arm64_sys_mount+0x514/0x5f0 [ 227.068372][ T6322] invoke_syscall+0x98/0x2b0 [ 227.069101][ T6322] el0_svc_common+0x138/0x258 [ 227.069793][ T6322] do_el0_svc+0x58/0x13c [ 227.070503][ T6322] el0_svc+0x78/0x1d0 [ 227.071172][ T6322] el0t_64_sync_handler+0xcc/0xe4 [ 227.071962][ T6322] el0t_64_sync+0x1a0/0x1a4 [ 227.073559][ T6322] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.075513][ T6322] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.320450][ T6324] loop1: detected capacity change from 0 to 32768 [ 227.328051][ T6324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.329235][ T6324] CPU: 1 PID: 6324 Comm: syz.1.684 Not tainted syzkaller #0 [ 227.330342][ T6324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.331941][ T6324] Call trace: [ 227.332486][ T6324] dump_backtrace+0x0/0x458 [ 227.333273][ T6324] show_stack+0x2c/0x3c [ 227.333983][ T6324] __dump_stack+0x30/0x40 [ 227.334744][ T6324] dump_stack_lvl+0xf4/0x15c [ 227.335535][ T6324] dump_stack+0x1c/0x5c [ 227.336233][ T6324] sysfs_create_dir_ns+0x244/0x264 [ 227.337091][ T6324] kobject_add_internal+0x5ac/0xc3c [ 227.337892][ T6324] kobject_init_and_add+0x124/0x190 [ 227.338641][ T6324] gfs2_sys_fs_add+0x200/0x41c [ 227.339301][ T6324] gfs2_fill_super+0xddc/0x1a18 [ 227.340007][ T6324] get_tree_bdev+0x358/0x544 [ 227.340668][ T6324] gfs2_get_tree+0x54/0x1b4 [ 227.341384][ T6324] vfs_get_tree+0x90/0x274 [ 227.342022][ T6324] do_new_mount+0x228/0x810 [ 227.342650][ T6324] path_mount+0x5bc/0x1008 [ 227.343326][ T6324] __arm64_sys_mount+0x514/0x5f0 [ 227.344057][ T6324] invoke_syscall+0x98/0x2b0 [ 227.344734][ T6324] el0_svc_common+0x138/0x258 [ 227.345516][ T6324] do_el0_svc+0x58/0x13c [ 227.346187][ T6324] el0_svc+0x78/0x1d0 [ 227.346855][ T6324] el0t_64_sync_handler+0xcc/0xe4 [ 227.347694][ T6324] el0t_64_sync+0x1a0/0x1a4 [ 227.350014][ T6324] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.352207][ T6324] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.493470][ T6326] loop1: detected capacity change from 0 to 32768 [ 227.532655][ T6326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.533863][ T6326] CPU: 1 PID: 6326 Comm: syz.1.685 Not tainted syzkaller #0 [ 227.535043][ T6326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.536819][ T6326] Call trace: [ 227.537371][ T6326] dump_backtrace+0x0/0x458 [ 227.538113][ T6326] show_stack+0x2c/0x3c [ 227.538812][ T6326] __dump_stack+0x30/0x40 [ 227.539527][ T6326] dump_stack_lvl+0xf4/0x15c [ 227.540268][ T6326] dump_stack+0x1c/0x5c [ 227.540914][ T6326] sysfs_create_dir_ns+0x244/0x264 [ 227.541673][ T6326] kobject_add_internal+0x5ac/0xc3c [ 227.542480][ T6326] kobject_init_and_add+0x124/0x190 [ 227.543368][ T6326] gfs2_sys_fs_add+0x200/0x41c [ 227.544149][ T6326] gfs2_fill_super+0xddc/0x1a18 [ 227.544916][ T6326] get_tree_bdev+0x358/0x544 [ 227.545642][ T6326] gfs2_get_tree+0x54/0x1b4 [ 227.546357][ T6326] vfs_get_tree+0x90/0x274 [ 227.547098][ T6326] do_new_mount+0x228/0x810 [ 227.547741][ T6326] path_mount+0x5bc/0x1008 [ 227.548431][ T6326] __arm64_sys_mount+0x514/0x5f0 [ 227.549213][ T6326] invoke_syscall+0x98/0x2b0 [ 227.549907][ T6326] el0_svc_common+0x138/0x258 [ 227.550611][ T6326] do_el0_svc+0x58/0x13c [ 227.551258][ T6326] el0_svc+0x78/0x1d0 [ 227.551964][ T6326] el0t_64_sync_handler+0xcc/0xe4 [ 227.552859][ T6326] el0t_64_sync+0x1a0/0x1a4 [ 227.554441][ T6326] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.556688][ T6326] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.766901][ T6328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.768157][ T6328] CPU: 1 PID: 6328 Comm: syz.1.686 Not tainted syzkaller #0 [ 227.769334][ T6328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 227.770886][ T6328] Call trace: [ 227.771434][ T6328] dump_backtrace+0x0/0x458 [ 227.772206][ T6328] show_stack+0x2c/0x3c [ 227.772913][ T6328] __dump_stack+0x30/0x40 [ 227.773691][ T6328] dump_stack_lvl+0xf4/0x15c [ 227.774407][ T6328] dump_stack+0x1c/0x5c [ 227.775073][ T6328] sysfs_create_dir_ns+0x244/0x264 [ 227.775939][ T6328] kobject_add_internal+0x5ac/0xc3c [ 227.776766][ T6328] kobject_init_and_add+0x124/0x190 [ 227.777559][ T6328] gfs2_sys_fs_add+0x200/0x41c [ 227.778343][ T6328] gfs2_fill_super+0xddc/0x1a18 [ 227.779137][ T6328] get_tree_bdev+0x358/0x544 [ 227.779860][ T6328] gfs2_get_tree+0x54/0x1b4 [ 227.780544][ T6328] vfs_get_tree+0x90/0x274 [ 227.781261][ T6328] do_new_mount+0x228/0x810 [ 227.782002][ T6328] path_mount+0x5bc/0x1008 [ 227.782712][ T6328] __arm64_sys_mount+0x514/0x5f0 [ 227.783514][ T6328] invoke_syscall+0x98/0x2b0 [ 227.784259][ T6328] el0_svc_common+0x138/0x258 [ 227.784961][ T6328] do_el0_svc+0x58/0x13c [ 227.785607][ T6328] el0_svc+0x78/0x1d0 [ 227.786203][ T6328] el0t_64_sync_handler+0xcc/0xe4 [ 227.787018][ T6328] el0t_64_sync+0x1a0/0x1a4 [ 227.789169][ T6328] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.791301][ T6328] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.021283][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.022480][ T6330] CPU: 0 PID: 6330 Comm: syz.1.687 Not tainted syzkaller #0 [ 228.023703][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.025315][ T6330] Call trace: [ 228.025852][ T6330] dump_backtrace+0x0/0x458 [ 228.026553][ T6330] show_stack+0x2c/0x3c [ 228.027192][ T6330] __dump_stack+0x30/0x40 [ 228.027916][ T6330] dump_stack_lvl+0xf4/0x15c [ 228.028617][ T6330] dump_stack+0x1c/0x5c [ 228.029305][ T6330] sysfs_create_dir_ns+0x244/0x264 [ 228.030174][ T6330] kobject_add_internal+0x5ac/0xc3c [ 228.031010][ T6330] kobject_init_and_add+0x124/0x190 [ 228.031860][ T6330] gfs2_sys_fs_add+0x200/0x41c [ 228.032650][ T6330] gfs2_fill_super+0xddc/0x1a18 [ 228.033431][ T6330] get_tree_bdev+0x358/0x544 [ 228.034187][ T6330] gfs2_get_tree+0x54/0x1b4 [ 228.034907][ T6330] vfs_get_tree+0x90/0x274 [ 228.035611][ T6330] do_new_mount+0x228/0x810 [ 228.036303][ T6330] path_mount+0x5bc/0x1008 [ 228.036977][ T6330] __arm64_sys_mount+0x514/0x5f0 [ 228.037773][ T6330] invoke_syscall+0x98/0x2b0 [ 228.038483][ T6330] el0_svc_common+0x138/0x258 [ 228.039222][ T6330] do_el0_svc+0x58/0x13c [ 228.039869][ T6330] el0_svc+0x78/0x1d0 [ 228.040463][ T6330] el0t_64_sync_handler+0xcc/0xe4 [ 228.041177][ T6330] el0t_64_sync+0x1a0/0x1a4 [ 228.042411][ T6330] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.044431][ T6330] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.186704][ T6332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.187848][ T6332] CPU: 0 PID: 6332 Comm: syz.1.688 Not tainted syzkaller #0 [ 228.188850][ T6332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.190314][ T6332] Call trace: [ 228.190818][ T6332] dump_backtrace+0x0/0x458 [ 228.191525][ T6332] show_stack+0x2c/0x3c [ 228.192153][ T6332] __dump_stack+0x30/0x40 [ 228.192851][ T6332] dump_stack_lvl+0xf4/0x15c [ 228.193628][ T6332] dump_stack+0x1c/0x5c [ 228.194272][ T6332] sysfs_create_dir_ns+0x244/0x264 [ 228.195135][ T6332] kobject_add_internal+0x5ac/0xc3c [ 228.196020][ T6332] kobject_init_and_add+0x124/0x190 [ 228.196932][ T6332] gfs2_sys_fs_add+0x200/0x41c [ 228.197756][ T6332] gfs2_fill_super+0xddc/0x1a18 [ 228.198585][ T6332] get_tree_bdev+0x358/0x544 [ 228.199366][ T6332] gfs2_get_tree+0x54/0x1b4 [ 228.200078][ T6332] vfs_get_tree+0x90/0x274 [ 228.200824][ T6332] do_new_mount+0x228/0x810 [ 228.201564][ T6332] path_mount+0x5bc/0x1008 [ 228.202318][ T6332] __arm64_sys_mount+0x514/0x5f0 [ 228.203131][ T6332] invoke_syscall+0x98/0x2b0 [ 228.203859][ T6332] el0_svc_common+0x138/0x258 [ 228.204654][ T6332] do_el0_svc+0x58/0x13c [ 228.205332][ T6332] el0_svc+0x78/0x1d0 [ 228.206008][ T6332] el0t_64_sync_handler+0xcc/0xe4 [ 228.206853][ T6332] el0t_64_sync+0x1a0/0x1a4 [ 228.207718][ T6332] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.209763][ T6332] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.392740][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.393994][ T6334] CPU: 0 PID: 6334 Comm: syz.1.689 Not tainted syzkaller #0 [ 228.395094][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.396726][ T6334] Call trace: [ 228.397272][ T6334] dump_backtrace+0x0/0x458 [ 228.398032][ T6334] show_stack+0x2c/0x3c [ 228.398714][ T6334] __dump_stack+0x30/0x40 [ 228.399482][ T6334] dump_stack_lvl+0xf4/0x15c [ 228.400249][ T6334] dump_stack+0x1c/0x5c [ 228.400946][ T6334] sysfs_create_dir_ns+0x244/0x264 [ 228.401821][ T6334] kobject_add_internal+0x5ac/0xc3c [ 228.402715][ T6334] kobject_init_and_add+0x124/0x190 [ 228.403602][ T6334] gfs2_sys_fs_add+0x200/0x41c [ 228.404370][ T6334] gfs2_fill_super+0xddc/0x1a18 [ 228.405158][ T6334] get_tree_bdev+0x358/0x544 [ 228.405885][ T6334] gfs2_get_tree+0x54/0x1b4 [ 228.406597][ T6334] vfs_get_tree+0x90/0x274 [ 228.407348][ T6334] do_new_mount+0x228/0x810 [ 228.408092][ T6334] path_mount+0x5bc/0x1008 [ 228.408800][ T6334] __arm64_sys_mount+0x514/0x5f0 [ 228.409621][ T6334] invoke_syscall+0x98/0x2b0 [ 228.410375][ T6334] el0_svc_common+0x138/0x258 [ 228.411204][ T6334] do_el0_svc+0x58/0x13c [ 228.411958][ T6334] el0_svc+0x78/0x1d0 [ 228.412598][ T6334] el0t_64_sync_handler+0xcc/0xe4 [ 228.413419][ T6334] el0t_64_sync+0x1a0/0x1a4 [ 228.415135][ T6334] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.417155][ T6334] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.560188][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.561552][ T6336] CPU: 0 PID: 6336 Comm: syz.1.690 Not tainted syzkaller #0 [ 228.562714][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.564263][ T6336] Call trace: [ 228.564714][ T6336] dump_backtrace+0x0/0x458 [ 228.565429][ T6336] show_stack+0x2c/0x3c [ 228.566132][ T6336] __dump_stack+0x30/0x40 [ 228.566793][ T6336] dump_stack_lvl+0xf4/0x15c [ 228.567554][ T6336] dump_stack+0x1c/0x5c [ 228.568261][ T6336] sysfs_create_dir_ns+0x244/0x264 [ 228.569022][ T6336] kobject_add_internal+0x5ac/0xc3c [ 228.569797][ T6336] kobject_init_and_add+0x124/0x190 [ 228.570523][ T6336] gfs2_sys_fs_add+0x200/0x41c [ 228.571250][ T6336] gfs2_fill_super+0xddc/0x1a18 [ 228.571957][ T6336] get_tree_bdev+0x358/0x544 [ 228.572613][ T6336] gfs2_get_tree+0x54/0x1b4 [ 228.573315][ T6336] vfs_get_tree+0x90/0x274 [ 228.574073][ T6336] do_new_mount+0x228/0x810 [ 228.574822][ T6336] path_mount+0x5bc/0x1008 [ 228.575573][ T6336] __arm64_sys_mount+0x514/0x5f0 [ 228.576395][ T6336] invoke_syscall+0x98/0x2b0 [ 228.577125][ T6336] el0_svc_common+0x138/0x258 [ 228.577874][ T6336] do_el0_svc+0x58/0x13c [ 228.578544][ T6336] el0_svc+0x78/0x1d0 [ 228.579189][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 228.579986][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 228.580976][ T6336] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.583158][ T6336] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.727043][ T6338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.728262][ T6338] CPU: 0 PID: 6338 Comm: syz.1.691 Not tainted syzkaller #0 [ 228.729477][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.730975][ T6338] Call trace: [ 228.731476][ T6338] dump_backtrace+0x0/0x458 [ 228.732170][ T6338] show_stack+0x2c/0x3c [ 228.732806][ T6338] __dump_stack+0x30/0x40 [ 228.733465][ T6338] dump_stack_lvl+0xf4/0x15c [ 228.734192][ T6338] dump_stack+0x1c/0x5c [ 228.734787][ T6338] sysfs_create_dir_ns+0x244/0x264 [ 228.735551][ T6338] kobject_add_internal+0x5ac/0xc3c [ 228.736423][ T6338] kobject_init_and_add+0x124/0x190 [ 228.737283][ T6338] gfs2_sys_fs_add+0x200/0x41c [ 228.738084][ T6338] gfs2_fill_super+0xddc/0x1a18 [ 228.738913][ T6338] get_tree_bdev+0x358/0x544 [ 228.739675][ T6338] gfs2_get_tree+0x54/0x1b4 [ 228.740415][ T6338] vfs_get_tree+0x90/0x274 [ 228.741139][ T6338] do_new_mount+0x228/0x810 [ 228.741882][ T6338] path_mount+0x5bc/0x1008 [ 228.742593][ T6338] __arm64_sys_mount+0x514/0x5f0 [ 228.743372][ T6338] invoke_syscall+0x98/0x2b0 [ 228.744123][ T6338] el0_svc_common+0x138/0x258 [ 228.744819][ T6338] do_el0_svc+0x58/0x13c [ 228.745512][ T6338] el0_svc+0x78/0x1d0 [ 228.746143][ T6338] el0t_64_sync_handler+0xcc/0xe4 [ 228.746888][ T6338] el0t_64_sync+0x1a0/0x1a4 [ 228.748096][ T6338] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.750167][ T6338] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.892325][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.893540][ T6340] CPU: 1 PID: 6340 Comm: syz.1.692 Not tainted syzkaller #0 [ 228.894716][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 228.896270][ T6340] Call trace: [ 228.896735][ T6340] dump_backtrace+0x0/0x458 [ 228.897449][ T6340] show_stack+0x2c/0x3c [ 228.898121][ T6340] __dump_stack+0x30/0x40 [ 228.898863][ T6340] dump_stack_lvl+0xf4/0x15c [ 228.899640][ T6340] dump_stack+0x1c/0x5c [ 228.900276][ T6340] sysfs_create_dir_ns+0x244/0x264 [ 228.901135][ T6340] kobject_add_internal+0x5ac/0xc3c [ 228.902004][ T6340] kobject_init_and_add+0x124/0x190 [ 228.902827][ T6340] gfs2_sys_fs_add+0x200/0x41c [ 228.903603][ T6340] gfs2_fill_super+0xddc/0x1a18 [ 228.904369][ T6340] get_tree_bdev+0x358/0x544 [ 228.905065][ T6340] gfs2_get_tree+0x54/0x1b4 [ 228.905750][ T6340] vfs_get_tree+0x90/0x274 [ 228.906501][ T6340] do_new_mount+0x228/0x810 [ 228.907265][ T6340] path_mount+0x5bc/0x1008 [ 228.908035][ T6340] __arm64_sys_mount+0x514/0x5f0 [ 228.908863][ T6340] invoke_syscall+0x98/0x2b0 [ 228.909587][ T6340] el0_svc_common+0x138/0x258 [ 228.910358][ T6340] do_el0_svc+0x58/0x13c [ 228.911047][ T6340] el0_svc+0x78/0x1d0 [ 228.911629][ T6340] el0t_64_sync_handler+0xcc/0xe4 [ 228.912425][ T6340] el0t_64_sync+0x1a0/0x1a4 [ 228.914656][ T6340] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.916652][ T6340] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.092594][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.093720][ T6342] CPU: 1 PID: 6342 Comm: syz.1.693 Not tainted syzkaller #0 [ 229.094827][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.096371][ T6342] Call trace: [ 229.096910][ T6342] dump_backtrace+0x0/0x458 [ 229.097590][ T6342] show_stack+0x2c/0x3c [ 229.098214][ T6342] __dump_stack+0x30/0x40 [ 229.098918][ T6342] dump_stack_lvl+0xf4/0x15c [ 229.099611][ T6342] dump_stack+0x1c/0x5c [ 229.100201][ T6342] sysfs_create_dir_ns+0x244/0x264 [ 229.101066][ T6342] kobject_add_internal+0x5ac/0xc3c [ 229.101962][ T6342] kobject_init_and_add+0x124/0x190 [ 229.102847][ T6342] gfs2_sys_fs_add+0x200/0x41c [ 229.103667][ T6342] gfs2_fill_super+0xddc/0x1a18 [ 229.104505][ T6342] get_tree_bdev+0x358/0x544 [ 229.105205][ T6342] gfs2_get_tree+0x54/0x1b4 [ 229.105877][ T6342] vfs_get_tree+0x90/0x274 [ 229.106533][ T6342] do_new_mount+0x228/0x810 [ 229.107195][ T6342] path_mount+0x5bc/0x1008 [ 229.107900][ T6342] __arm64_sys_mount+0x514/0x5f0 [ 229.108640][ T6342] invoke_syscall+0x98/0x2b0 [ 229.109443][ T6342] el0_svc_common+0x138/0x258 [ 229.110216][ T6342] do_el0_svc+0x58/0x13c [ 229.110907][ T6342] el0_svc+0x78/0x1d0 [ 229.111576][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 229.112387][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 229.114514][ T6342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.116554][ T6342] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.295880][ T6344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.297082][ T6344] CPU: 1 PID: 6344 Comm: syz.1.694 Not tainted syzkaller #0 [ 229.298213][ T6344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.299896][ T6344] Call trace: [ 229.300372][ T6344] dump_backtrace+0x0/0x458 [ 229.301089][ T6344] show_stack+0x2c/0x3c [ 229.301786][ T6344] __dump_stack+0x30/0x40 [ 229.302418][ T6344] dump_stack_lvl+0xf4/0x15c [ 229.303116][ T6344] dump_stack+0x1c/0x5c [ 229.303725][ T6344] sysfs_create_dir_ns+0x244/0x264 [ 229.304482][ T6344] kobject_add_internal+0x5ac/0xc3c [ 229.305286][ T6344] kobject_init_and_add+0x124/0x190 [ 229.306124][ T6344] gfs2_sys_fs_add+0x200/0x41c [ 229.306866][ T6344] gfs2_fill_super+0xddc/0x1a18 [ 229.307579][ T6344] get_tree_bdev+0x358/0x544 [ 229.308341][ T6344] gfs2_get_tree+0x54/0x1b4 [ 229.309092][ T6344] vfs_get_tree+0x90/0x274 [ 229.309744][ T6344] do_new_mount+0x228/0x810 [ 229.310404][ T6344] path_mount+0x5bc/0x1008 [ 229.311051][ T6344] __arm64_sys_mount+0x514/0x5f0 [ 229.311766][ T6344] invoke_syscall+0x98/0x2b0 [ 229.312474][ T6344] el0_svc_common+0x138/0x258 [ 229.313217][ T6344] do_el0_svc+0x58/0x13c [ 229.313919][ T6344] el0_svc+0x78/0x1d0 [ 229.314554][ T6344] el0t_64_sync_handler+0xcc/0xe4 [ 229.315324][ T6344] el0t_64_sync+0x1a0/0x1a4 [ 229.317459][ T6344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.319442][ T6344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.463065][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.464312][ T6346] CPU: 1 PID: 6346 Comm: syz.1.695 Not tainted syzkaller #0 [ 229.465459][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.467013][ T6346] Call trace: [ 229.467464][ T6346] dump_backtrace+0x0/0x458 [ 229.468141][ T6346] show_stack+0x2c/0x3c [ 229.468743][ T6346] __dump_stack+0x30/0x40 [ 229.469453][ T6346] dump_stack_lvl+0xf4/0x15c [ 229.470176][ T6346] dump_stack+0x1c/0x5c [ 229.470837][ T6346] sysfs_create_dir_ns+0x244/0x264 [ 229.471684][ T6346] kobject_add_internal+0x5ac/0xc3c [ 229.472400][ T6346] kobject_init_and_add+0x124/0x190 [ 229.473243][ T6346] gfs2_sys_fs_add+0x200/0x41c [ 229.474042][ T6346] gfs2_fill_super+0xddc/0x1a18 [ 229.474864][ T6346] get_tree_bdev+0x358/0x544 [ 229.475622][ T6346] gfs2_get_tree+0x54/0x1b4 [ 229.476334][ T6346] vfs_get_tree+0x90/0x274 [ 229.477031][ T6346] do_new_mount+0x228/0x810 [ 229.477750][ T6346] path_mount+0x5bc/0x1008 [ 229.478467][ T6346] __arm64_sys_mount+0x514/0x5f0 [ 229.479256][ T6346] invoke_syscall+0x98/0x2b0 [ 229.479969][ T6346] el0_svc_common+0x138/0x258 [ 229.480668][ T6346] do_el0_svc+0x58/0x13c [ 229.481285][ T6346] el0_svc+0x78/0x1d0 [ 229.481922][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 229.482724][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 229.484924][ T6346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.486859][ T6346] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.702353][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.703508][ T6348] CPU: 1 PID: 6348 Comm: syz.1.696 Not tainted syzkaller #0 [ 229.704613][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.706315][ T6348] Call trace: [ 229.706808][ T6348] dump_backtrace+0x0/0x458 [ 229.707546][ T6348] show_stack+0x2c/0x3c [ 229.708181][ T6348] __dump_stack+0x30/0x40 [ 229.708907][ T6348] dump_stack_lvl+0xf4/0x15c [ 229.709684][ T6348] dump_stack+0x1c/0x5c [ 229.710409][ T6348] sysfs_create_dir_ns+0x244/0x264 [ 229.711343][ T6348] kobject_add_internal+0x5ac/0xc3c [ 229.712265][ T6348] kobject_init_and_add+0x124/0x190 [ 229.713187][ T6348] gfs2_sys_fs_add+0x200/0x41c [ 229.713992][ T6348] gfs2_fill_super+0xddc/0x1a18 [ 229.714792][ T6348] get_tree_bdev+0x358/0x544 [ 229.715602][ T6348] gfs2_get_tree+0x54/0x1b4 [ 229.716348][ T6348] vfs_get_tree+0x90/0x274 [ 229.717104][ T6348] do_new_mount+0x228/0x810 [ 229.717874][ T6348] path_mount+0x5bc/0x1008 [ 229.718651][ T6348] __arm64_sys_mount+0x514/0x5f0 [ 229.719446][ T6348] invoke_syscall+0x98/0x2b0 [ 229.720213][ T6348] el0_svc_common+0x138/0x258 [ 229.721001][ T6348] do_el0_svc+0x58/0x13c [ 229.721677][ T6348] el0_svc+0x78/0x1d0 [ 229.722383][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 229.723192][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 229.728903][ T6348] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.731871][ T6348] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.951427][ T6350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.952642][ T6350] CPU: 1 PID: 6350 Comm: syz.1.697 Not tainted syzkaller #0 [ 229.953794][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 229.955540][ T6350] Call trace: [ 229.956014][ T6350] dump_backtrace+0x0/0x458 [ 229.956745][ T6350] show_stack+0x2c/0x3c [ 229.957462][ T6350] __dump_stack+0x30/0x40 [ 229.958139][ T6350] dump_stack_lvl+0xf4/0x15c [ 229.958869][ T6350] dump_stack+0x1c/0x5c [ 229.959526][ T6350] sysfs_create_dir_ns+0x244/0x264 [ 229.960274][ T6350] kobject_add_internal+0x5ac/0xc3c [ 229.961109][ T6350] kobject_init_and_add+0x124/0x190 [ 229.961995][ T6350] gfs2_sys_fs_add+0x200/0x41c [ 229.962815][ T6350] gfs2_fill_super+0xddc/0x1a18 [ 229.963591][ T6350] get_tree_bdev+0x358/0x544 [ 229.964271][ T6350] gfs2_get_tree+0x54/0x1b4 [ 229.964934][ T6350] vfs_get_tree+0x90/0x274 [ 229.965539][ T6350] do_new_mount+0x228/0x810 [ 229.966164][ T6350] path_mount+0x5bc/0x1008 [ 229.966775][ T6350] __arm64_sys_mount+0x514/0x5f0 [ 229.967431][ T6350] invoke_syscall+0x98/0x2b0 [ 229.968072][ T6350] el0_svc_common+0x138/0x258 [ 229.968808][ T6350] do_el0_svc+0x58/0x13c [ 229.969496][ T6350] el0_svc+0x78/0x1d0 [ 229.970137][ T6350] el0t_64_sync_handler+0xcc/0xe4 [ 229.970947][ T6350] el0t_64_sync+0x1a0/0x1a4 [ 229.973425][ T6350] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.975308][ T6350] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.142332][ T6352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.143516][ T6352] CPU: 0 PID: 6352 Comm: syz.1.698 Not tainted syzkaller #0 [ 230.144619][ T6352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.146261][ T6352] Call trace: [ 230.146772][ T6352] dump_backtrace+0x0/0x458 [ 230.147491][ T6352] show_stack+0x2c/0x3c [ 230.148106][ T6352] __dump_stack+0x30/0x40 [ 230.148740][ T6352] dump_stack_lvl+0xf4/0x15c [ 230.149424][ T6352] dump_stack+0x1c/0x5c [ 230.150061][ T6352] sysfs_create_dir_ns+0x244/0x264 [ 230.150822][ T6352] kobject_add_internal+0x5ac/0xc3c [ 230.151635][ T6352] kobject_init_and_add+0x124/0x190 [ 230.152452][ T6352] gfs2_sys_fs_add+0x200/0x41c [ 230.153194][ T6352] gfs2_fill_super+0xddc/0x1a18 [ 230.153946][ T6352] get_tree_bdev+0x358/0x544 [ 230.154668][ T6352] gfs2_get_tree+0x54/0x1b4 [ 230.155417][ T6352] vfs_get_tree+0x90/0x274 [ 230.156134][ T6352] do_new_mount+0x228/0x810 [ 230.156831][ T6352] path_mount+0x5bc/0x1008 [ 230.157584][ T6352] __arm64_sys_mount+0x514/0x5f0 [ 230.158373][ T6352] invoke_syscall+0x98/0x2b0 [ 230.159179][ T6352] el0_svc_common+0x138/0x258 [ 230.160012][ T6352] do_el0_svc+0x58/0x13c [ 230.160739][ T6352] el0_svc+0x78/0x1d0 [ 230.161365][ T6352] el0t_64_sync_handler+0xcc/0xe4 [ 230.162152][ T6352] el0t_64_sync+0x1a0/0x1a4 [ 230.163553][ T6352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.165505][ T6352] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.306259][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.307523][ T6354] CPU: 0 PID: 6354 Comm: syz.1.699 Not tainted syzkaller #0 [ 230.308631][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.310268][ T6354] Call trace: [ 230.310795][ T6354] dump_backtrace+0x0/0x458 [ 230.311505][ T6354] show_stack+0x2c/0x3c [ 230.312229][ T6354] __dump_stack+0x30/0x40 [ 230.312947][ T6354] dump_stack_lvl+0xf4/0x15c [ 230.313736][ T6354] dump_stack+0x1c/0x5c [ 230.314415][ T6354] sysfs_create_dir_ns+0x244/0x264 [ 230.315275][ T6354] kobject_add_internal+0x5ac/0xc3c [ 230.316110][ T6354] kobject_init_and_add+0x124/0x190 [ 230.316955][ T6354] gfs2_sys_fs_add+0x200/0x41c [ 230.317759][ T6354] gfs2_fill_super+0xddc/0x1a18 [ 230.318536][ T6354] get_tree_bdev+0x358/0x544 [ 230.319307][ T6354] gfs2_get_tree+0x54/0x1b4 [ 230.320107][ T6354] vfs_get_tree+0x90/0x274 [ 230.320843][ T6354] do_new_mount+0x228/0x810 [ 230.321637][ T6354] path_mount+0x5bc/0x1008 [ 230.322382][ T6354] __arm64_sys_mount+0x514/0x5f0 [ 230.323197][ T6354] invoke_syscall+0x98/0x2b0 [ 230.323928][ T6354] el0_svc_common+0x138/0x258 [ 230.324723][ T6354] do_el0_svc+0x58/0x13c [ 230.325463][ T6354] el0_svc+0x78/0x1d0 [ 230.326118][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 230.326924][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 230.328901][ T6354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.330880][ T6354] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.522390][ T6356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.523582][ T6356] CPU: 0 PID: 6356 Comm: syz.1.700 Not tainted syzkaller #0 [ 230.524735][ T6356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.526273][ T6356] Call trace: [ 230.526855][ T6356] dump_backtrace+0x0/0x458 [ 230.527567][ T6356] show_stack+0x2c/0x3c [ 230.528272][ T6356] __dump_stack+0x30/0x40 [ 230.528941][ T6356] dump_stack_lvl+0xf4/0x15c [ 230.529612][ T6356] dump_stack+0x1c/0x5c [ 230.530311][ T6356] sysfs_create_dir_ns+0x244/0x264 [ 230.531130][ T6356] kobject_add_internal+0x5ac/0xc3c [ 230.532016][ T6356] kobject_init_and_add+0x124/0x190 [ 230.532913][ T6356] gfs2_sys_fs_add+0x200/0x41c [ 230.533737][ T6356] gfs2_fill_super+0xddc/0x1a18 [ 230.534532][ T6356] get_tree_bdev+0x358/0x544 [ 230.535280][ T6356] gfs2_get_tree+0x54/0x1b4 [ 230.536036][ T6356] vfs_get_tree+0x90/0x274 [ 230.536730][ T6356] do_new_mount+0x228/0x810 [ 230.537494][ T6356] path_mount+0x5bc/0x1008 [ 230.538261][ T6356] __arm64_sys_mount+0x514/0x5f0 [ 230.539121][ T6356] invoke_syscall+0x98/0x2b0 [ 230.539885][ T6356] el0_svc_common+0x138/0x258 [ 230.540651][ T6356] do_el0_svc+0x58/0x13c [ 230.541333][ T6356] el0_svc+0x78/0x1d0 [ 230.541975][ T6356] el0t_64_sync_handler+0xcc/0xe4 [ 230.542777][ T6356] el0t_64_sync+0x1a0/0x1a4 [ 230.544463][ T6356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.546489][ T6356] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 687 [ 230.677792][ T6358] set_capacity_and_notify: 15 callbacks suppressed [ 230.677803][ T6358] loop1: detected capacity change from 0 to 32768 [ 230.732375][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.733531][ T6358] CPU: 1 PID: 6358 Comm: syz.1.701 Not tainted syzkaller #0 [ 230.734665][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.736201][ T6358] Call trace: [ 230.736715][ T6358] dump_backtrace+0x0/0x458 [ 230.737391][ T6358] show_stack+0x2c/0x3c [ 230.738027][ T6358] __dump_stack+0x30/0x40 [ 230.738656][ T6358] dump_stack_lvl+0xf4/0x15c [ 230.739328][ T6358] dump_stack+0x1c/0x5c [ 230.739914][ T6358] sysfs_create_dir_ns+0x244/0x264 [ 230.740754][ T6358] kobject_add_internal+0x5ac/0xc3c [ 230.741558][ T6358] kobject_init_and_add+0x124/0x190 [ 230.742400][ T6358] gfs2_sys_fs_add+0x200/0x41c [ 230.743111][ T6358] gfs2_fill_super+0xddc/0x1a18 [ 230.743790][ T6358] get_tree_bdev+0x358/0x544 [ 230.744456][ T6358] gfs2_get_tree+0x54/0x1b4 [ 230.745160][ T6358] vfs_get_tree+0x90/0x274 [ 230.745863][ T6358] do_new_mount+0x228/0x810 [ 230.746593][ T6358] path_mount+0x5bc/0x1008 [ 230.747266][ T6358] __arm64_sys_mount+0x514/0x5f0 [ 230.748068][ T6358] invoke_syscall+0x98/0x2b0 [ 230.748864][ T6358] el0_svc_common+0x138/0x258 [ 230.749721][ T6358] do_el0_svc+0x58/0x13c [ 230.750400][ T6358] el0_svc+0x78/0x1d0 [ 230.751024][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 230.751796][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 230.753990][ T6358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.755909][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.945929][ T6360] loop1: detected capacity change from 0 to 32768 [ 230.983857][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.985101][ T6360] CPU: 1 PID: 6360 Comm: syz.1.702 Not tainted syzkaller #0 [ 230.986183][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 230.987704][ T6360] Call trace: [ 230.988260][ T6360] dump_backtrace+0x0/0x458 [ 230.989047][ T6360] show_stack+0x2c/0x3c [ 230.989757][ T6360] __dump_stack+0x30/0x40 [ 230.990500][ T6360] dump_stack_lvl+0xf4/0x15c [ 230.991247][ T6360] dump_stack+0x1c/0x5c [ 230.991925][ T6360] sysfs_create_dir_ns+0x244/0x264 [ 230.992709][ T6360] kobject_add_internal+0x5ac/0xc3c [ 230.993532][ T6360] kobject_init_and_add+0x124/0x190 [ 230.994334][ T6360] gfs2_sys_fs_add+0x200/0x41c [ 230.995031][ T6360] gfs2_fill_super+0xddc/0x1a18 [ 230.995752][ T6360] get_tree_bdev+0x358/0x544 [ 230.996488][ T6360] gfs2_get_tree+0x54/0x1b4 [ 230.997210][ T6360] vfs_get_tree+0x90/0x274 [ 230.997940][ T6360] do_new_mount+0x228/0x810 [ 230.998621][ T6360] path_mount+0x5bc/0x1008 [ 230.999256][ T6360] __arm64_sys_mount+0x514/0x5f0 [ 231.000021][ T6360] invoke_syscall+0x98/0x2b0 [ 231.000718][ T6360] el0_svc_common+0x138/0x258 [ 231.001436][ T6360] do_el0_svc+0x58/0x13c [ 231.002076][ T6360] el0_svc+0x78/0x1d0 [ 231.002701][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 231.003507][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 231.004751][ T6360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.006772][ T6360] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.144797][ T6362] loop1: detected capacity change from 0 to 32768 [ 231.187622][ T6362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.188829][ T6362] CPU: 1 PID: 6362 Comm: syz.1.703 Not tainted syzkaller #0 [ 231.189898][ T6362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.191287][ T6362] Call trace: [ 231.191732][ T6362] dump_backtrace+0x0/0x458 [ 231.192492][ T6362] show_stack+0x2c/0x3c [ 231.193147][ T6362] __dump_stack+0x30/0x40 [ 231.193880][ T6362] dump_stack_lvl+0xf4/0x15c [ 231.194679][ T6362] dump_stack+0x1c/0x5c [ 231.195357][ T6362] sysfs_create_dir_ns+0x244/0x264 [ 231.196169][ T6362] kobject_add_internal+0x5ac/0xc3c [ 231.196981][ T6362] kobject_init_and_add+0x124/0x190 [ 231.197834][ T6362] gfs2_sys_fs_add+0x200/0x41c [ 231.198580][ T6362] gfs2_fill_super+0xddc/0x1a18 [ 231.199326][ T6362] get_tree_bdev+0x358/0x544 [ 231.200103][ T6362] gfs2_get_tree+0x54/0x1b4 [ 231.200839][ T6362] vfs_get_tree+0x90/0x274 [ 231.201542][ T6362] do_new_mount+0x228/0x810 [ 231.202254][ T6362] path_mount+0x5bc/0x1008 [ 231.202987][ T6362] __arm64_sys_mount+0x514/0x5f0 [ 231.203846][ T6362] invoke_syscall+0x98/0x2b0 [ 231.204592][ T6362] el0_svc_common+0x138/0x258 [ 231.205329][ T6362] do_el0_svc+0x58/0x13c [ 231.206051][ T6362] el0_svc+0x78/0x1d0 [ 231.206718][ T6362] el0t_64_sync_handler+0xcc/0xe4 [ 231.207537][ T6362] el0t_64_sync+0x1a0/0x1a4 [ 231.209952][ T6362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.212143][ T6362] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.342812][ T6364] loop1: detected capacity change from 0 to 32768 [ 231.444982][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.446248][ T6364] CPU: 0 PID: 6364 Comm: syz.1.704 Not tainted syzkaller #0 [ 231.447366][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.448985][ T6364] Call trace: [ 231.449567][ T6364] dump_backtrace+0x0/0x458 [ 231.450270][ T6364] show_stack+0x2c/0x3c [ 231.450999][ T6364] __dump_stack+0x30/0x40 [ 231.451662][ T6364] dump_stack_lvl+0xf4/0x15c [ 231.452374][ T6364] dump_stack+0x1c/0x5c [ 231.453033][ T6364] sysfs_create_dir_ns+0x244/0x264 [ 231.453870][ T6364] kobject_add_internal+0x5ac/0xc3c [ 231.454735][ T6364] kobject_init_and_add+0x124/0x190 [ 231.455603][ T6364] gfs2_sys_fs_add+0x200/0x41c [ 231.456382][ T6364] gfs2_fill_super+0xddc/0x1a18 [ 231.457143][ T6364] get_tree_bdev+0x358/0x544 [ 231.457859][ T6364] gfs2_get_tree+0x54/0x1b4 [ 231.458657][ T6364] vfs_get_tree+0x90/0x274 [ 231.459401][ T6364] do_new_mount+0x228/0x810 [ 231.460148][ T6364] path_mount+0x5bc/0x1008 [ 231.460848][ T6364] __arm64_sys_mount+0x514/0x5f0 [ 231.461674][ T6364] invoke_syscall+0x98/0x2b0 [ 231.462383][ T6364] el0_svc_common+0x138/0x258 [ 231.463106][ T6364] do_el0_svc+0x58/0x13c [ 231.463747][ T6364] el0_svc+0x78/0x1d0 [ 231.464464][ T6364] el0t_64_sync_handler+0xcc/0xe4 [ 231.465313][ T6364] el0t_64_sync+0x1a0/0x1a4 [ 231.466311][ T6364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.468292][ T6364] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.598755][ T6366] loop1: detected capacity change from 0 to 32768 [ 231.652334][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.653562][ T6366] CPU: 1 PID: 6366 Comm: syz.1.705 Not tainted syzkaller #0 [ 231.654691][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.656140][ T6366] Call trace: [ 231.656671][ T6366] dump_backtrace+0x0/0x458 [ 231.657427][ T6366] show_stack+0x2c/0x3c [ 231.658070][ T6366] __dump_stack+0x30/0x40 [ 231.658718][ T6366] dump_stack_lvl+0xf4/0x15c [ 231.659528][ T6366] dump_stack+0x1c/0x5c [ 231.660243][ T6366] sysfs_create_dir_ns+0x244/0x264 [ 231.661145][ T6366] kobject_add_internal+0x5ac/0xc3c [ 231.661954][ T6366] kobject_init_and_add+0x124/0x190 [ 231.662784][ T6366] gfs2_sys_fs_add+0x200/0x41c [ 231.663550][ T6366] gfs2_fill_super+0xddc/0x1a18 [ 231.664316][ T6366] get_tree_bdev+0x358/0x544 [ 231.665038][ T6366] gfs2_get_tree+0x54/0x1b4 [ 231.665695][ T6366] vfs_get_tree+0x90/0x274 [ 231.666380][ T6366] do_new_mount+0x228/0x810 [ 231.667085][ T6366] path_mount+0x5bc/0x1008 [ 231.667793][ T6366] __arm64_sys_mount+0x514/0x5f0 [ 231.668544][ T6366] invoke_syscall+0x98/0x2b0 [ 231.669218][ T6366] el0_svc_common+0x138/0x258 [ 231.670047][ T6366] do_el0_svc+0x58/0x13c [ 231.670741][ T6366] el0_svc+0x78/0x1d0 [ 231.671400][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 231.672175][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 231.673344][ T6366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.675398][ T6366] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.925496][ T6368] loop1: detected capacity change from 0 to 32768 [ 231.962308][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.963795][ T6368] CPU: 1 PID: 6368 Comm: syz.1.706 Not tainted syzkaller #0 [ 231.964998][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 231.966589][ T6368] Call trace: [ 231.967088][ T6368] dump_backtrace+0x0/0x458 [ 231.967867][ T6368] show_stack+0x2c/0x3c [ 231.968511][ T6368] __dump_stack+0x30/0x40 [ 231.969167][ T6368] dump_stack_lvl+0xf4/0x15c [ 231.969902][ T6368] dump_stack+0x1c/0x5c [ 231.970546][ T6368] sysfs_create_dir_ns+0x244/0x264 [ 231.971295][ T6368] kobject_add_internal+0x5ac/0xc3c [ 231.972038][ T6368] kobject_init_and_add+0x124/0x190 [ 231.972800][ T6368] gfs2_sys_fs_add+0x200/0x41c [ 231.973541][ T6368] gfs2_fill_super+0xddc/0x1a18 [ 231.974251][ T6368] get_tree_bdev+0x358/0x544 [ 231.974948][ T6368] gfs2_get_tree+0x54/0x1b4 [ 231.975619][ T6368] vfs_get_tree+0x90/0x274 [ 231.976285][ T6368] do_new_mount+0x228/0x810 [ 231.976949][ T6368] path_mount+0x5bc/0x1008 [ 231.977586][ T6368] __arm64_sys_mount+0x514/0x5f0 [ 231.978302][ T6368] invoke_syscall+0x98/0x2b0 [ 231.978958][ T6368] el0_svc_common+0x138/0x258 [ 231.979696][ T6368] do_el0_svc+0x58/0x13c [ 231.980317][ T6368] el0_svc+0x78/0x1d0 [ 231.980985][ T6368] el0t_64_sync_handler+0xcc/0xe4 [ 231.981800][ T6368] el0t_64_sync+0x1a0/0x1a4 [ 231.982701][ T6368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.984845][ T6368] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.210279][ T6370] loop1: detected capacity change from 0 to 32768 [ 232.253550][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.254943][ T6370] CPU: 1 PID: 6370 Comm: syz.1.707 Not tainted syzkaller #0 [ 232.256132][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.257680][ T6370] Call trace: [ 232.258179][ T6370] dump_backtrace+0x0/0x458 [ 232.258887][ T6370] show_stack+0x2c/0x3c [ 232.259572][ T6370] __dump_stack+0x30/0x40 [ 232.260245][ T6370] dump_stack_lvl+0xf4/0x15c [ 232.261029][ T6370] dump_stack+0x1c/0x5c [ 232.261753][ T6370] sysfs_create_dir_ns+0x244/0x264 [ 232.262503][ T6370] kobject_add_internal+0x5ac/0xc3c [ 232.263319][ T6370] kobject_init_and_add+0x124/0x190 [ 232.264181][ T6370] gfs2_sys_fs_add+0x200/0x41c [ 232.264938][ T6370] gfs2_fill_super+0xddc/0x1a18 [ 232.265689][ T6370] get_tree_bdev+0x358/0x544 [ 232.266473][ T6370] gfs2_get_tree+0x54/0x1b4 [ 232.267252][ T6370] vfs_get_tree+0x90/0x274 [ 232.267961][ T6370] do_new_mount+0x228/0x810 [ 232.268711][ T6370] path_mount+0x5bc/0x1008 [ 232.269473][ T6370] __arm64_sys_mount+0x514/0x5f0 [ 232.270318][ T6370] invoke_syscall+0x98/0x2b0 [ 232.271028][ T6370] el0_svc_common+0x138/0x258 [ 232.271774][ T6370] do_el0_svc+0x58/0x13c [ 232.272404][ T6370] el0_svc+0x78/0x1d0 [ 232.273050][ T6370] el0t_64_sync_handler+0xcc/0xe4 [ 232.273919][ T6370] el0t_64_sync+0x1a0/0x1a4 [ 232.276141][ T6370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.278241][ T6370] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.411613][ T6372] loop1: detected capacity change from 0 to 32768 [ 232.523196][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.524519][ T6372] CPU: 0 PID: 6372 Comm: syz.1.708 Not tainted syzkaller #0 [ 232.525737][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.527415][ T6372] Call trace: [ 232.527944][ T6372] dump_backtrace+0x0/0x458 [ 232.528643][ T6372] show_stack+0x2c/0x3c [ 232.529314][ T6372] __dump_stack+0x30/0x40 [ 232.530000][ T6372] dump_stack_lvl+0xf4/0x15c [ 232.530776][ T6372] dump_stack+0x1c/0x5c [ 232.531417][ T6372] sysfs_create_dir_ns+0x244/0x264 [ 232.532247][ T6372] kobject_add_internal+0x5ac/0xc3c [ 232.533005][ T6372] kobject_init_and_add+0x124/0x190 [ 232.533776][ T6372] gfs2_sys_fs_add+0x200/0x41c [ 232.534484][ T6372] gfs2_fill_super+0xddc/0x1a18 [ 232.535171][ T6372] get_tree_bdev+0x358/0x544 [ 232.535863][ T6372] gfs2_get_tree+0x54/0x1b4 [ 232.536533][ T6372] vfs_get_tree+0x90/0x274 [ 232.537210][ T6372] do_new_mount+0x228/0x810 [ 232.537885][ T6372] path_mount+0x5bc/0x1008 [ 232.538523][ T6372] __arm64_sys_mount+0x514/0x5f0 [ 232.539265][ T6372] invoke_syscall+0x98/0x2b0 [ 232.540010][ T6372] el0_svc_common+0x138/0x258 [ 232.540720][ T6372] do_el0_svc+0x58/0x13c [ 232.541299][ T6372] el0_svc+0x78/0x1d0 [ 232.541915][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 232.542683][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 232.545104][ T6372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.547196][ T6372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.684878][ T6374] loop1: detected capacity change from 0 to 32768 [ 232.693202][ T6374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.694485][ T6374] CPU: 0 PID: 6374 Comm: syz.1.709 Not tainted syzkaller #0 [ 232.695579][ T6374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.697102][ T6374] Call trace: [ 232.697582][ T6374] dump_backtrace+0x0/0x458 [ 232.698255][ T6374] show_stack+0x2c/0x3c [ 232.698868][ T6374] __dump_stack+0x30/0x40 [ 232.699522][ T6374] dump_stack_lvl+0xf4/0x15c [ 232.700298][ T6374] dump_stack+0x1c/0x5c [ 232.700972][ T6374] sysfs_create_dir_ns+0x244/0x264 [ 232.701816][ T6374] kobject_add_internal+0x5ac/0xc3c [ 232.702652][ T6374] kobject_init_and_add+0x124/0x190 [ 232.703445][ T6374] gfs2_sys_fs_add+0x200/0x41c [ 232.704192][ T6374] gfs2_fill_super+0xddc/0x1a18 [ 232.704919][ T6374] get_tree_bdev+0x358/0x544 [ 232.705749][ T6374] gfs2_get_tree+0x54/0x1b4 [ 232.706532][ T6374] vfs_get_tree+0x90/0x274 [ 232.707277][ T6374] do_new_mount+0x228/0x810 [ 232.708039][ T6374] path_mount+0x5bc/0x1008 [ 232.708792][ T6374] __arm64_sys_mount+0x514/0x5f0 [ 232.709586][ T6374] invoke_syscall+0x98/0x2b0 [ 232.710351][ T6374] el0_svc_common+0x138/0x258 [ 232.711082][ T6374] do_el0_svc+0x58/0x13c [ 232.711767][ T6374] el0_svc+0x78/0x1d0 [ 232.712339][ T6374] el0t_64_sync_handler+0xcc/0xe4 [ 232.713189][ T6374] el0t_64_sync+0x1a0/0x1a4 [ 232.713988][ T6374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.716067][ T6374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.811311][ T27] INFO: task kworker/0:11:4158 blocked for more than 143 seconds. [ 232.812714][ T27] Not tainted syzkaller #0 [ 232.813524][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.814959][ T27] task:kworker/0:11 state:D stack: 0 pid: 4158 ppid: 2 flags:0x00000008 [ 232.816441][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 232.817325][ T27] Call trace: [ 232.817799][ T27] __switch_to+0x2f4/0x540 [ 232.818464][ T27] __schedule+0xdfc/0x1bc4 [ 232.819254][ T27] schedule+0x11c/0x1c8 [ 232.819993][ T27] io_schedule+0x84/0x160 [ 232.820732][ T27] wait_on_page_bit_common+0x634/0xa8c [ 232.823391][ T27] wait_on_page_bit+0x58/0x68 [ 232.824164][ T27] gfs2_jhead_process_page+0x1e0/0x6a8 [ 232.825077][ T27] gfs2_find_jhead+0xb6c/0xca8 [ 232.825828][ T27] gfs2_recover_func+0x584/0x162c [ 232.826668][ T27] process_one_work+0x79c/0x1138 [ 232.827462][ T27] worker_thread+0x8f4/0x1034 [ 232.828217][ T27] kthread+0x374/0x454 [ 232.828853][ T27] ret_from_fork+0x10/0x20 [ 232.829558][ T27] INFO: task syz.0.16:4941 blocked for more than 143 seconds. [ 232.830711][ T27] Not tainted syzkaller #0 [ 232.831478][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.832841][ T27] task:syz.0.16 state:D stack: 0 pid: 4941 ppid: 4745 flags:0x00000009 [ 232.834219][ T27] Call trace: [ 232.834729][ T27] __switch_to+0x2f4/0x540 [ 232.835470][ T27] __schedule+0xdfc/0x1bc4 [ 232.836227][ T27] schedule+0x11c/0x1c8 [ 232.836948][ T27] bit_wait+0x1c/0xac [ 232.837589][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 232.838398][ T27] gfs2_recover_journal+0xf0/0x164 [ 232.839168][ T27] init_journal+0x13d0/0x1e34 [ 232.839876][ T27] init_inodes+0xe0/0x2d4 [ 232.840513][ T27] gfs2_fill_super+0x1264/0x1a18 [ 232.841321][ T27] get_tree_bdev+0x358/0x544 [ 232.842019][ T27] gfs2_get_tree+0x54/0x1b4 [ 232.842674][ T27] vfs_get_tree+0x90/0x274 [ 232.843431][ T27] do_new_mount+0x228/0x810 [ 232.844105][ T27] path_mount+0x5bc/0x1008 [ 232.844833][ T27] __arm64_sys_mount+0x514/0x5f0 [ 232.845573][ T27] invoke_syscall+0x98/0x2b0 [ 232.846288][ T27] el0_svc_common+0x138/0x258 [ 232.847001][ T27] do_el0_svc+0x58/0x13c [ 232.847765][ T27] el0_svc+0x78/0x1d0 [ 232.848444][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.849281][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.850017][ T27] [ 232.850017][ T27] Showing all locks held in the system: [ 232.851300][ T27] 1 lock held by khungtaskd/27: [ 232.852044][ T27] #0: ffff800014471360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.853516][ T27] 2 locks held by getty/3801: [ 232.854219][ T27] #0: ffff0000d3513098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.855839][ T27] #1: ffff80001be0b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.857514][ T27] 2 locks held by kworker/0:11/4158: [ 232.858420][ T27] #0: ffff0000c6998538 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x678/0x1138 [ 232.860170][ T27] #1: ffff80001fa77c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6b8/0x1138 [ 232.860418][ T6376] loop1: detected capacity change from 0 to 32768 [ 232.862045][ T27] 1 lock held by syz.0.16/4941: [ 232.863816][ T27] #0: ffff0000ceca40e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1a8/0x81c [ 232.866772][ T27] 1 lock held by syz.1.710/6376: [ 232.867548][ T27] [ 232.867919][ T27] ============================================= [ 232.867919][ T27] [ 232.869374][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.870426][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.871479][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 232.872986][ T27] Call trace: [ 232.873463][ T27] dump_backtrace+0x0/0x458 [ 232.874199][ T27] show_stack+0x2c/0x3c [ 232.874865][ T27] __dump_stack+0x30/0x40 [ 232.875514][ T27] dump_stack_lvl+0xf4/0x15c [ 232.876196][ T27] dump_stack+0x1c/0x5c [ 232.876824][ T27] panic+0x2fc/0x860 [ 232.877452][ T27] hung_task_panic+0x0/0x2c [ 232.878199][ T27] kthread+0x374/0x454 [ 232.878846][ T27] ret_from_fork+0x10/0x20 [ 232.879567][ T27] SMP: stopping secondary CPUs [ 232.880356][ T27] Kernel Offset: disabled [ 232.881058][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.881864][ T27] Memory Limit: none [ 233.202783][ T27] Rebooting in 86400 seconds..