200.345795][ T6067] __dump_stack+0x30/0x40 [ 200.346469][ T6067] dump_stack_lvl+0xf8/0x160 [ 200.347162][ T6067] dump_stack+0x1c/0x5c [ 200.347834][ T6067] sysfs_create_dir_ns+0x22c/0x24c [ 200.348577][ T6067] kobject_add_internal+0x590/0xc54 [ 200.349325][ T6067] kobject_init_and_add+0x118/0x17c [ 200.350088][ T6067] gfs2_sys_fs_add+0x1dc/0x3d8 [ 200.350812][ T6067] gfs2_fill_super+0xdac/0x19e0 [ 200.351483][ T6067] get_tree_bdev+0x358/0x544 [ 200.352118][ T6067] gfs2_get_tree+0x54/0x1b4 [ 200.352812][ T6067] vfs_get_tree+0x90/0x274 [ 200.353443][ T6067] do_new_mount+0x228/0x810 [ 200.354110][ T6067] path_mount+0x5b4/0x1000 [ 200.354727][ T6067] __arm64_sys_mount+0x514/0x5e4 [ 200.355455][ T6067] invoke_syscall+0x98/0x2b8 [ 200.356099][ T6067] el0_svc_common+0x138/0x258 [ 200.356778][ T6067] do_el0_svc+0x58/0x14c [ 200.357443][ T6067] el0_svc+0x78/0x1e0 [ 200.358079][ T6067] el0t_64_sync_handler+0xcc/0xe4 [ 200.358867][ T6067] el0t_64_sync+0x1a0/0x1a4 [ 200.361115][ T6067] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 200.363107][ T6067] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 200.498970][ T6070] loop1: detected capacity change from 0 to 32768 [ 200.555966][ T6070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 200.557190][ T6070] CPU: 0 PID: 6070 Comm: syz.1.541 Not tainted syzkaller #0 [ 200.558223][ T6070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 200.559701][ T6070] Call trace: [ 200.560165][ T6070] dump_backtrace+0x0/0x43c [ 200.560808][ T6070] show_stack+0x2c/0x3c [ 200.561499][ T6070] __dump_stack+0x30/0x40 [ 200.562206][ T6070] dump_stack_lvl+0xf8/0x160 [ 200.562931][ T6070] dump_stack+0x1c/0x5c [ 200.563573][ T6070] sysfs_create_dir_ns+0x22c/0x24c [ 200.564384][ T6070] kobject_add_internal+0x590/0xc54 [ 200.565193][ T6070] kobject_init_and_add+0x118/0x17c [ 200.565963][ T6070] gfs2_sys_fs_add+0x1dc/0x3d8 [ 200.566646][ T6070] gfs2_fill_super+0xdac/0x19e0 [ 200.567352][ T6070] get_tree_bdev+0x358/0x544 [ 200.568021][ T6070] gfs2_get_tree+0x54/0x1b4 [ 200.568655][ T6070] vfs_get_tree+0x90/0x274 [ 200.569262][ T6070] do_new_mount+0x228/0x810 [ 200.569916][ T6070] path_mount+0x5b4/0x1000 [ 200.570630][ T6070] __arm64_sys_mount+0x514/0x5e4 [ 200.571390][ T6070] invoke_syscall+0x98/0x2b8 [ 200.572084][ T6070] el0_svc_common+0x138/0x258 [ 200.572781][ T6070] do_el0_svc+0x58/0x14c [ 200.573485][ T6070] el0_svc+0x78/0x1e0 [ 200.574129][ T6070] el0t_64_sync_handler+0xcc/0xe4 [ 200.574956][ T6070] el0t_64_sync+0x1a0/0x1a4 [ 200.577269][ T6070] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 200.579418][ T6070] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 200.712958][ T6072] loop1: detected capacity change from 0 to 32768 [ 200.720118][ T6072] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 200.721210][ T6072] CPU: 1 PID: 6072 Comm: syz.1.542 Not tainted syzkaller #0 [ 200.722328][ T6072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 200.723776][ T6072] Call trace: [ 200.724304][ T6072] dump_backtrace+0x0/0x43c [ 200.724979][ T6072] show_stack+0x2c/0x3c [ 200.725614][ T6072] __dump_stack+0x30/0x40 [ 200.726370][ T6072] dump_stack_lvl+0xf8/0x160 [ 200.727148][ T6072] dump_stack+0x1c/0x5c [ 200.727843][ T6072] sysfs_create_dir_ns+0x22c/0x24c [ 200.728688][ T6072] kobject_add_internal+0x590/0xc54 [ 200.729531][ T6072] kobject_init_and_add+0x118/0x17c [ 200.730376][ T6072] gfs2_sys_fs_add+0x1dc/0x3d8 [ 200.731169][ T6072] gfs2_fill_super+0xdac/0x19e0 [ 200.731931][ T6072] get_tree_bdev+0x358/0x544 [ 200.732687][ T6072] gfs2_get_tree+0x54/0x1b4 [ 200.733407][ T6072] vfs_get_tree+0x90/0x274 [ 200.734082][ T6072] do_new_mount+0x228/0x810 [ 200.734788][ T6072] path_mount+0x5b4/0x1000 [ 200.735628][ T6072] __arm64_sys_mount+0x514/0x5e4 [ 200.736385][ T6072] invoke_syscall+0x98/0x2b8 [ 200.737109][ T6072] el0_svc_common+0x138/0x258 [ 200.737817][ T6072] do_el0_svc+0x58/0x14c [ 200.738432][ T6072] el0_svc+0x78/0x1e0 [ 200.739004][ T6072] el0t_64_sync_handler+0xcc/0xe4 [ 200.739717][ T6072] el0t_64_sync+0x1a0/0x1a4 [ 200.740712][ T6072] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 200.742741][ T6072] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 200.877787][ T6074] loop1: detected capacity change from 0 to 32768 [ 200.934078][ T6074] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 200.935426][ T6074] CPU: 1 PID: 6074 Comm: syz.1.543 Not tainted syzkaller #0 [ 200.936502][ T6074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 200.937905][ T6074] Call trace: [ 200.938352][ T6074] dump_backtrace+0x0/0x43c [ 200.938980][ T6074] show_stack+0x2c/0x3c [ 200.939662][ T6074] __dump_stack+0x30/0x40 [ 200.940360][ T6074] dump_stack_lvl+0xf8/0x160 [ 200.941158][ T6074] dump_stack+0x1c/0x5c [ 200.941834][ T6074] sysfs_create_dir_ns+0x22c/0x24c [ 200.942647][ T6074] kobject_add_internal+0x590/0xc54 [ 200.943491][ T6074] kobject_init_and_add+0x118/0x17c [ 200.944325][ T6074] gfs2_sys_fs_add+0x1dc/0x3d8 [ 200.945140][ T6074] gfs2_fill_super+0xdac/0x19e0 [ 200.945902][ T6074] get_tree_bdev+0x358/0x544 [ 200.946689][ T6074] gfs2_get_tree+0x54/0x1b4 [ 200.947516][ T6074] vfs_get_tree+0x90/0x274 [ 200.948302][ T6074] do_new_mount+0x228/0x810 [ 200.949012][ T6074] path_mount+0x5b4/0x1000 [ 200.949678][ T6074] __arm64_sys_mount+0x514/0x5e4 [ 200.950415][ T6074] invoke_syscall+0x98/0x2b8 [ 200.951121][ T6074] el0_svc_common+0x138/0x258 [ 200.951874][ T6074] do_el0_svc+0x58/0x14c [ 200.952581][ T6074] el0_svc+0x78/0x1e0 [ 200.953267][ T6074] el0t_64_sync_handler+0xcc/0xe4 [ 200.954076][ T6074] el0t_64_sync+0x1a0/0x1a4 [ 200.955006][ T6074] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 200.956895][ T6074] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 201.091608][ T6076] loop1: detected capacity change from 0 to 32768 [ 201.099408][ T6076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 201.100599][ T6076] CPU: 0 PID: 6076 Comm: syz.1.544 Not tainted syzkaller #0 [ 201.101780][ T6076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 201.103423][ T6076] Call trace: [ 201.103962][ T6076] dump_backtrace+0x0/0x43c [ 201.104804][ T6076] show_stack+0x2c/0x3c [ 201.105430][ T6076] __dump_stack+0x30/0x40 [ 201.106077][ T6076] dump_stack_lvl+0xf8/0x160 [ 201.106749][ T6076] dump_stack+0x1c/0x5c [ 201.107358][ T6076] sysfs_create_dir_ns+0x22c/0x24c [ 201.108061][ T6076] kobject_add_internal+0x590/0xc54 [ 201.108818][ T6076] kobject_init_and_add+0x118/0x17c [ 201.109664][ T6076] gfs2_sys_fs_add+0x1dc/0x3d8 [ 201.110364][ T6076] gfs2_fill_super+0xdac/0x19e0 [ 201.111041][ T6076] get_tree_bdev+0x358/0x544 [ 201.111661][ T6076] gfs2_get_tree+0x54/0x1b4 [ 201.112314][ T6076] vfs_get_tree+0x90/0x274 [ 201.112943][ T6076] do_new_mount+0x228/0x810 [ 201.113591][ T6076] path_mount+0x5b4/0x1000 [ 201.114234][ T6076] __arm64_sys_mount+0x514/0x5e4 [ 201.114971][ T6076] invoke_syscall+0x98/0x2b8 [ 201.115673][ T6076] el0_svc_common+0x138/0x258 [ 201.116371][ T6076] do_el0_svc+0x58/0x14c [ 201.117027][ T6076] el0_svc+0x78/0x1e0 [ 201.117614][ T6076] el0t_64_sync_handler+0xcc/0xe4 [ 201.118330][ T6076] el0t_64_sync+0x1a0/0x1a4 [ 201.119080][ T6076] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 201.121055][ T6076] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 201.251626][ T6078] loop1: detected capacity change from 0 to 32768 [ 201.294991][ T6078] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 201.296213][ T6078] CPU: 0 PID: 6078 Comm: syz.1.545 Not tainted syzkaller #0 [ 201.297315][ T6078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 201.298736][ T6078] Call trace: [ 201.299223][ T6078] dump_backtrace+0x0/0x43c [ 201.299942][ T6078] show_stack+0x2c/0x3c [ 201.300564][ T6078] __dump_stack+0x30/0x40 [ 201.301194][ T6078] dump_stack_lvl+0xf8/0x160 [ 201.301929][ T6078] dump_stack+0x1c/0x5c [ 201.302580][ T6078] sysfs_create_dir_ns+0x22c/0x24c [ 201.303391][ T6078] kobject_add_internal+0x590/0xc54 [ 201.304176][ T6078] kobject_init_and_add+0x118/0x17c [ 201.304972][ T6078] gfs2_sys_fs_add+0x1dc/0x3d8 [ 201.305672][ T6078] gfs2_fill_super+0xdac/0x19e0 [ 201.306448][ T6078] get_tree_bdev+0x358/0x544 [ 201.307146][ T6078] gfs2_get_tree+0x54/0x1b4 [ 201.307839][ T6078] vfs_get_tree+0x90/0x274 [ 201.308462][ T6078] do_new_mount+0x228/0x810 [ 201.309117][ T6078] path_mount+0x5b4/0x1000 [ 201.309795][ T6078] __arm64_sys_mount+0x514/0x5e4 [ 201.310507][ T6078] invoke_syscall+0x98/0x2b8 [ 201.311153][ T6078] el0_svc_common+0x138/0x258 [ 201.311804][ T6078] do_el0_svc+0x58/0x14c [ 201.312388][ T6078] el0_svc+0x78/0x1e0 [ 201.312962][ T6078] el0t_64_sync_handler+0xcc/0xe4 [ 201.313720][ T6078] el0t_64_sync+0x1a0/0x1a4 [ 201.314493][ T6078] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 201.316276][ T6078] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 201.447432][ T6080] loop1: detected capacity change from 0 to 32768 [ 201.498667][ T6080] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 201.500065][ T6080] CPU: 0 PID: 6080 Comm: syz.1.546 Not tainted syzkaller #0 [ 201.501193][ T6080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 201.502697][ T6080] Call trace: [ 201.503194][ T6080] dump_backtrace+0x0/0x43c [ 201.503868][ T6080] show_stack+0x2c/0x3c [ 201.504484][ T6080] __dump_stack+0x30/0x40 [ 201.505165][ T6080] dump_stack_lvl+0xf8/0x160 [ 201.505821][ T6080] dump_stack+0x1c/0x5c [ 201.506428][ T6080] sysfs_create_dir_ns+0x22c/0x24c [ 201.507219][ T6080] kobject_add_internal+0x590/0xc54 [ 201.508017][ T6080] kobject_init_and_add+0x118/0x17c [ 201.508822][ T6080] gfs2_sys_fs_add+0x1dc/0x3d8 [ 201.509612][ T6080] gfs2_fill_super+0xdac/0x19e0 [ 201.510349][ T6080] get_tree_bdev+0x358/0x544 [ 201.511024][ T6080] gfs2_get_tree+0x54/0x1b4 [ 201.511638][ T6080] vfs_get_tree+0x90/0x274 [ 201.512320][ T6080] do_new_mount+0x228/0x810 [ 201.513010][ T6080] path_mount+0x5b4/0x1000 [ 201.513695][ T6080] __arm64_sys_mount+0x514/0x5e4 [ 201.514399][ T6080] invoke_syscall+0x98/0x2b8 [ 201.515095][ T6080] el0_svc_common+0x138/0x258 [ 201.515810][ T6080] do_el0_svc+0x58/0x14c [ 201.516457][ T6080] el0_svc+0x78/0x1e0 [ 201.517090][ T6080] el0t_64_sync_handler+0xcc/0xe4 [ 201.517861][ T6080] el0t_64_sync+0x1a0/0x1a4 [ 201.519319][ T6080] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 201.521432][ T6080] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 201.654512][ T6082] loop1: detected capacity change from 0 to 32768 [ 201.690355][ T6082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 201.691624][ T6082] CPU: 1 PID: 6082 Comm: syz.1.547 Not tainted syzkaller #0 [ 201.692794][ T6082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 201.694421][ T6082] Call trace: [ 201.694975][ T6082] dump_backtrace+0x0/0x43c [ 201.695643][ T6082] show_stack+0x2c/0x3c [ 201.696191][ T6082] __dump_stack+0x30/0x40 [ 201.696834][ T6082] dump_stack_lvl+0xf8/0x160 [ 201.697458][ T6082] dump_stack+0x1c/0x5c [ 201.698048][ T6082] sysfs_create_dir_ns+0x22c/0x24c [ 201.698792][ T6082] kobject_add_internal+0x590/0xc54 [ 201.699548][ T6082] kobject_init_and_add+0x118/0x17c [ 201.700324][ T6082] gfs2_sys_fs_add+0x1dc/0x3d8 [ 201.701092][ T6082] gfs2_fill_super+0xdac/0x19e0 [ 201.701862][ T6082] get_tree_bdev+0x358/0x544 [ 201.702608][ T6082] gfs2_get_tree+0x54/0x1b4 [ 201.703344][ T6082] vfs_get_tree+0x90/0x274 [ 201.704013][ T6082] do_new_mount+0x228/0x810 [ 201.704735][ T6082] path_mount+0x5b4/0x1000 [ 201.705489][ T6082] __arm64_sys_mount+0x514/0x5e4 [ 201.706341][ T6082] invoke_syscall+0x98/0x2b8 [ 201.707166][ T6082] el0_svc_common+0x138/0x258 [ 201.708005][ T6082] do_el0_svc+0x58/0x14c [ 201.708759][ T6082] el0_svc+0x78/0x1e0 [ 201.709443][ T6082] el0t_64_sync_handler+0xcc/0xe4 [ 201.710310][ T6082] el0t_64_sync+0x1a0/0x1a4 [ 201.711306][ T6082] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 201.713296][ T6082] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 201.847219][ T6085] loop1: detected capacity change from 0 to 32768 [ 201.855059][ T6085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 201.856309][ T6085] CPU: 1 PID: 6085 Comm: syz.1.548 Not tainted syzkaller #0 [ 201.857422][ T6085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 201.859141][ T6085] Call trace: [ 201.859699][ T6085] dump_backtrace+0x0/0x43c [ 201.860458][ T6085] show_stack+0x2c/0x3c [ 201.861156][ T6085] __dump_stack+0x30/0x40 [ 201.861882][ T6085] dump_stack_lvl+0xf8/0x160 [ 201.862724][ T6085] dump_stack+0x1c/0x5c [ 201.863378][ T6085] sysfs_create_dir_ns+0x22c/0x24c [ 201.864171][ T6085] kobject_add_internal+0x590/0xc54 [ 201.864989][ T6085] kobject_init_and_add+0x118/0x17c [ 201.865719][ T6085] gfs2_sys_fs_add+0x1dc/0x3d8 [ 201.866428][ T6085] gfs2_fill_super+0xdac/0x19e0 [ 201.867125][ T6085] get_tree_bdev+0x358/0x544 [ 201.867780][ T6085] gfs2_get_tree+0x54/0x1b4 [ 201.868446][ T6085] vfs_get_tree+0x90/0x274 [ 201.869161][ T6085] do_new_mount+0x228/0x810 [ 201.869874][ T6085] path_mount+0x5b4/0x1000 [ 201.870562][ T6085] __arm64_sys_mount+0x514/0x5e4 [ 201.871336][ T6085] invoke_syscall+0x98/0x2b8 [ 201.872041][ T6085] el0_svc_common+0x138/0x258 [ 201.872763][ T6085] do_el0_svc+0x58/0x14c [ 201.873410][ T6085] el0_svc+0x78/0x1e0 [ 201.874015][ T6085] el0t_64_sync_handler+0xcc/0xe4 [ 201.874896][ T6085] el0t_64_sync+0x1a0/0x1a4 [ 201.875803][ T6085] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 201.877969][ T6085] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 202.008071][ T6087] loop1: detected capacity change from 0 to 32768 [ 202.050067][ T6087] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 202.051250][ T6087] CPU: 1 PID: 6087 Comm: syz.1.549 Not tainted syzkaller #0 [ 202.052292][ T6087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 202.053888][ T6087] Call trace: [ 202.054424][ T6087] dump_backtrace+0x0/0x43c [ 202.055187][ T6087] show_stack+0x2c/0x3c [ 202.055877][ T6087] __dump_stack+0x30/0x40 [ 202.056554][ T6087] dump_stack_lvl+0xf8/0x160 [ 202.057274][ T6087] dump_stack+0x1c/0x5c [ 202.057916][ T6087] sysfs_create_dir_ns+0x22c/0x24c [ 202.058681][ T6087] kobject_add_internal+0x590/0xc54 [ 202.059460][ T6087] kobject_init_and_add+0x118/0x17c [ 202.060237][ T6087] gfs2_sys_fs_add+0x1dc/0x3d8 [ 202.060997][ T6087] gfs2_fill_super+0xdac/0x19e0 [ 202.061689][ T6087] get_tree_bdev+0x358/0x544 [ 202.062424][ T6087] gfs2_get_tree+0x54/0x1b4 [ 202.063086][ T6087] vfs_get_tree+0x90/0x274 [ 202.063703][ T6087] do_new_mount+0x228/0x810 [ 202.064346][ T6087] path_mount+0x5b4/0x1000 [ 202.065006][ T6087] __arm64_sys_mount+0x514/0x5e4 [ 202.065710][ T6087] invoke_syscall+0x98/0x2b8 [ 202.066371][ T6087] el0_svc_common+0x138/0x258 [ 202.067076][ T6087] do_el0_svc+0x58/0x14c [ 202.067702][ T6087] el0_svc+0x78/0x1e0 [ 202.068335][ T6087] el0t_64_sync_handler+0xcc/0xe4 [ 202.069211][ T6087] el0t_64_sync+0x1a0/0x1a4 [ 202.072176][ T6087] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 202.074367][ T6087] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 202.203731][ T6090] loop1: detected capacity change from 0 to 32768 [ 202.260842][ T6090] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 202.262035][ T6090] CPU: 1 PID: 6090 Comm: syz.1.550 Not tainted syzkaller #0 [ 202.263120][ T6090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 202.264569][ T6090] Call trace: [ 202.265080][ T6090] dump_backtrace+0x0/0x43c [ 202.265748][ T6090] show_stack+0x2c/0x3c [ 202.266396][ T6090] __dump_stack+0x30/0x40 [ 202.267023][ T6090] dump_stack_lvl+0xf8/0x160 [ 202.267698][ T6090] dump_stack+0x1c/0x5c [ 202.268304][ T6090] sysfs_create_dir_ns+0x22c/0x24c [ 202.269127][ T6090] kobject_add_internal+0x590/0xc54 [ 202.270040][ T6090] kobject_init_and_add+0x118/0x17c [ 202.270901][ T6090] gfs2_sys_fs_add+0x1dc/0x3d8 [ 202.271715][ T6090] gfs2_fill_super+0xdac/0x19e0 [ 202.272539][ T6090] get_tree_bdev+0x358/0x544 [ 202.273254][ T6090] gfs2_get_tree+0x54/0x1b4 [ 202.273981][ T6090] vfs_get_tree+0x90/0x274 [ 202.274708][ T6090] do_new_mount+0x228/0x810 [ 202.275453][ T6090] path_mount+0x5b4/0x1000 [ 202.276196][ T6090] __arm64_sys_mount+0x514/0x5e4 [ 202.277052][ T6090] invoke_syscall+0x98/0x2b8 [ 202.277867][ T6090] el0_svc_common+0x138/0x258 [ 202.278648][ T6090] do_el0_svc+0x58/0x14c [ 202.279310][ T6090] el0_svc+0x78/0x1e0 [ 202.279939][ T6090] el0t_64_sync_handler+0xcc/0xe4 [ 202.280814][ T6090] el0t_64_sync+0x1a0/0x1a4 [ 202.283046][ T6090] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 202.285061][ T6090] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 202.418480][ T6092] loop1: detected capacity change from 0 to 32768 [ 202.470077][ T6092] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 202.471333][ T6092] CPU: 1 PID: 6092 Comm: syz.1.551 Not tainted syzkaller #0 [ 202.472525][ T6092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 202.474025][ T6092] Call trace: [ 202.474503][ T6092] dump_backtrace+0x0/0x43c [ 202.475179][ T6092] show_stack+0x2c/0x3c [ 202.475802][ T6092] __dump_stack+0x30/0x40 [ 202.476469][ T6092] dump_stack_lvl+0xf8/0x160 [ 202.477158][ T6092] dump_stack+0x1c/0x5c [ 202.477730][ T6092] sysfs_create_dir_ns+0x22c/0x24c [ 202.478598][ T6092] kobject_add_internal+0x590/0xc54 [ 202.479474][ T6092] kobject_init_and_add+0x118/0x17c [ 202.480342][ T6092] gfs2_sys_fs_add+0x1dc/0x3d8 [ 202.481160][ T6092] gfs2_fill_super+0xdac/0x19e0 [ 202.481869][ T6092] get_tree_bdev+0x358/0x544 [ 202.482557][ T6092] gfs2_get_tree+0x54/0x1b4 [ 202.483337][ T6092] vfs_get_tree+0x90/0x274 [ 202.484027][ T6092] do_new_mount+0x228/0x810 [ 202.484767][ T6092] path_mount+0x5b4/0x1000 [ 202.485501][ T6092] __arm64_sys_mount+0x514/0x5e4 [ 202.486286][ T6092] invoke_syscall+0x98/0x2b8 [ 202.486991][ T6092] el0_svc_common+0x138/0x258 [ 202.487685][ T6092] do_el0_svc+0x58/0x14c [ 202.488328][ T6092] el0_svc+0x78/0x1e0 [ 202.488951][ T6092] el0t_64_sync_handler+0xcc/0xe4 [ 202.489736][ T6092] el0t_64_sync+0x1a0/0x1a4 [ 202.491866][ T6092] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 202.493817][ T6092] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 202.622455][ T6094] loop1: detected capacity change from 0 to 32768 [ 202.711758][ T6094] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 202.713131][ T6094] CPU: 0 PID: 6094 Comm: syz.1.552 Not tainted syzkaller #0 [ 202.714302][ T6094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 202.715962][ T6094] Call trace: [ 202.716461][ T6094] dump_backtrace+0x0/0x43c [ 202.717132][ T6094] show_stack+0x2c/0x3c [ 202.717759][ T6094] __dump_stack+0x30/0x40 [ 202.718374][ T6094] dump_stack_lvl+0xf8/0x160 [ 202.719151][ T6094] dump_stack+0x1c/0x5c [ 202.719873][ T6094] sysfs_create_dir_ns+0x22c/0x24c [ 202.720754][ T6094] kobject_add_internal+0x590/0xc54 [ 202.721603][ T6094] kobject_init_and_add+0x118/0x17c [ 202.722472][ T6094] gfs2_sys_fs_add+0x1dc/0x3d8 [ 202.723226][ T6094] gfs2_fill_super+0xdac/0x19e0 [ 202.723933][ T6094] get_tree_bdev+0x358/0x544 [ 202.724657][ T6094] gfs2_get_tree+0x54/0x1b4 [ 202.725392][ T6094] vfs_get_tree+0x90/0x274 [ 202.726150][ T6094] do_new_mount+0x228/0x810 [ 202.726876][ T6094] path_mount+0x5b4/0x1000 [ 202.727640][ T6094] __arm64_sys_mount+0x514/0x5e4 [ 202.728409][ T6094] invoke_syscall+0x98/0x2b8 [ 202.729076][ T6094] el0_svc_common+0x138/0x258 [ 202.729727][ T6094] do_el0_svc+0x58/0x14c [ 202.730349][ T6094] el0_svc+0x78/0x1e0 [ 202.730930][ T6094] el0t_64_sync_handler+0xcc/0xe4 [ 202.731639][ T6094] el0t_64_sync+0x1a0/0x1a4 [ 202.733432][ T6094] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 202.735485][ T6094] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:22 executed programs: 539 [ 202.865419][ T6096] loop1: detected capacity change from 0 to 32768 [ 202.910085][ T6096] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 202.911317][ T6096] CPU: 1 PID: 6096 Comm: syz.1.553 Not tainted syzkaller #0 [ 202.912499][ T6096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 202.913988][ T6096] Call trace: [ 202.914463][ T6096] dump_backtrace+0x0/0x43c [ 202.915123][ T6096] show_stack+0x2c/0x3c [ 202.915693][ T6096] __dump_stack+0x30/0x40 [ 202.916316][ T6096] dump_stack_lvl+0xf8/0x160 [ 202.917072][ T6096] dump_stack+0x1c/0x5c [ 202.917714][ T6096] sysfs_create_dir_ns+0x22c/0x24c [ 202.918501][ T6096] kobject_add_internal+0x590/0xc54 [ 202.919308][ T6096] kobject_init_and_add+0x118/0x17c [ 202.920127][ T6096] gfs2_sys_fs_add+0x1dc/0x3d8 [ 202.920825][ T6096] gfs2_fill_super+0xdac/0x19e0 [ 202.921587][ T6096] get_tree_bdev+0x358/0x544 [ 202.922313][ T6096] gfs2_get_tree+0x54/0x1b4 [ 202.922994][ T6096] vfs_get_tree+0x90/0x274 [ 202.923668][ T6096] do_new_mount+0x228/0x810 [ 202.924405][ T6096] path_mount+0x5b4/0x1000 [ 202.925064][ T6096] __arm64_sys_mount+0x514/0x5e4 [ 202.925825][ T6096] invoke_syscall+0x98/0x2b8 [ 202.926476][ T6096] el0_svc_common+0x138/0x258 [ 202.927177][ T6096] do_el0_svc+0x58/0x14c [ 202.927908][ T6096] el0_svc+0x78/0x1e0 [ 202.928644][ T6096] el0t_64_sync_handler+0xcc/0xe4 [ 202.929515][ T6096] el0t_64_sync+0x1a0/0x1a4 [ 202.930647][ T6096] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 202.932811][ T6096] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.061876][ T6098] loop1: detected capacity change from 0 to 32768 [ 203.130087][ T6098] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.131372][ T6098] CPU: 0 PID: 6098 Comm: syz.1.554 Not tainted syzkaller #0 [ 203.132427][ T6098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 203.133887][ T6098] Call trace: [ 203.134377][ T6098] dump_backtrace+0x0/0x43c [ 203.135035][ T6098] show_stack+0x2c/0x3c [ 203.135614][ T6098] __dump_stack+0x30/0x40 [ 203.136279][ T6098] dump_stack_lvl+0xf8/0x160 [ 203.136907][ T6098] dump_stack+0x1c/0x5c [ 203.137562][ T6098] sysfs_create_dir_ns+0x22c/0x24c [ 203.138312][ T6098] kobject_add_internal+0x590/0xc54 [ 203.139119][ T6098] kobject_init_and_add+0x118/0x17c [ 203.139873][ T6098] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.140571][ T6098] gfs2_fill_super+0xdac/0x19e0 [ 203.141345][ T6098] get_tree_bdev+0x358/0x544 [ 203.142045][ T6098] gfs2_get_tree+0x54/0x1b4 [ 203.142647][ T6098] vfs_get_tree+0x90/0x274 [ 203.143289][ T6098] do_new_mount+0x228/0x810 [ 203.143957][ T6098] path_mount+0x5b4/0x1000 [ 203.144611][ T6098] __arm64_sys_mount+0x514/0x5e4 [ 203.145337][ T6098] invoke_syscall+0x98/0x2b8 [ 203.146060][ T6098] el0_svc_common+0x138/0x258 [ 203.146823][ T6098] do_el0_svc+0x58/0x14c [ 203.147481][ T6098] el0_svc+0x78/0x1e0 [ 203.148079][ T6098] el0t_64_sync_handler+0xcc/0xe4 [ 203.148805][ T6098] el0t_64_sync+0x1a0/0x1a4 [ 203.151361][ T6098] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.153480][ T6098] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.282868][ T6100] loop1: detected capacity change from 0 to 32768 [ 203.371853][ T6100] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.373151][ T6100] CPU: 1 PID: 6100 Comm: syz.1.555 Not tainted syzkaller #0 [ 203.374421][ T6100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 203.376016][ T6100] Call trace: [ 203.376526][ T6100] dump_backtrace+0x0/0x43c [ 203.377187][ T6100] show_stack+0x2c/0x3c [ 203.377906][ T6100] __dump_stack+0x30/0x40 [ 203.378622][ T6100] dump_stack_lvl+0xf8/0x160 [ 203.379461][ T6100] dump_stack+0x1c/0x5c [ 203.380230][ T6100] sysfs_create_dir_ns+0x22c/0x24c [ 203.381063][ T6100] kobject_add_internal+0x590/0xc54 [ 203.381917][ T6100] kobject_init_and_add+0x118/0x17c [ 203.382704][ T6100] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.383520][ T6100] gfs2_fill_super+0xdac/0x19e0 [ 203.384339][ T6100] get_tree_bdev+0x358/0x544 [ 203.385090][ T6100] gfs2_get_tree+0x54/0x1b4 [ 203.385839][ T6100] vfs_get_tree+0x90/0x274 [ 203.386553][ T6100] do_new_mount+0x228/0x810 [ 203.387251][ T6100] path_mount+0x5b4/0x1000 [ 203.388025][ T6100] __arm64_sys_mount+0x514/0x5e4 [ 203.388882][ T6100] invoke_syscall+0x98/0x2b8 [ 203.389634][ T6100] el0_svc_common+0x138/0x258 [ 203.390393][ T6100] do_el0_svc+0x58/0x14c [ 203.391096][ T6100] el0_svc+0x78/0x1e0 [ 203.391705][ T6100] el0t_64_sync_handler+0xcc/0xe4 [ 203.392459][ T6100] el0t_64_sync+0x1a0/0x1a4 [ 203.394217][ T6100] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.396401][ T6100] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.531585][ T6102] loop1: detected capacity change from 0 to 32768 [ 203.570179][ T6102] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.572124][ T6102] CPU: 1 PID: 6102 Comm: syz.1.556 Not tainted syzkaller #0 [ 203.573292][ T6102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 203.574982][ T6102] Call trace: [ 203.575579][ T6102] dump_backtrace+0x0/0x43c [ 203.576351][ T6102] show_stack+0x2c/0x3c [ 203.576981][ T6102] __dump_stack+0x30/0x40 [ 203.577684][ T6102] dump_stack_lvl+0xf8/0x160 [ 203.578455][ T6102] dump_stack+0x1c/0x5c [ 203.579075][ T6102] sysfs_create_dir_ns+0x22c/0x24c [ 203.579797][ T6102] kobject_add_internal+0x590/0xc54 [ 203.580606][ T6102] kobject_init_and_add+0x118/0x17c [ 203.581420][ T6102] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.582108][ T6102] gfs2_fill_super+0xdac/0x19e0 [ 203.582796][ T6102] get_tree_bdev+0x358/0x544 [ 203.583441][ T6102] gfs2_get_tree+0x54/0x1b4 [ 203.584205][ T6102] vfs_get_tree+0x90/0x274 [ 203.584862][ T6102] do_new_mount+0x228/0x810 [ 203.585580][ T6102] path_mount+0x5b4/0x1000 [ 203.586276][ T6102] __arm64_sys_mount+0x514/0x5e4 [ 203.587131][ T6102] invoke_syscall+0x98/0x2b8 [ 203.587838][ T6102] el0_svc_common+0x138/0x258 [ 203.588609][ T6102] do_el0_svc+0x58/0x14c [ 203.589329][ T6102] el0_svc+0x78/0x1e0 [ 203.589987][ T6102] el0t_64_sync_handler+0xcc/0xe4 [ 203.590810][ T6102] el0t_64_sync+0x1a0/0x1a4 [ 203.592407][ T6102] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.594480][ T6102] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.727343][ T6104] loop1: detected capacity change from 0 to 32768 [ 203.734978][ T6104] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.736429][ T6104] CPU: 1 PID: 6104 Comm: syz.1.557 Not tainted syzkaller #0 [ 203.737621][ T6104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 203.739085][ T6104] Call trace: [ 203.739578][ T6104] dump_backtrace+0x0/0x43c [ 203.740392][ T6104] show_stack+0x2c/0x3c [ 203.741084][ T6104] __dump_stack+0x30/0x40 [ 203.741778][ T6104] dump_stack_lvl+0xf8/0x160 [ 203.742469][ T6104] dump_stack+0x1c/0x5c [ 203.743061][ T6104] sysfs_create_dir_ns+0x22c/0x24c [ 203.743843][ T6104] kobject_add_internal+0x590/0xc54 [ 203.744628][ T6104] kobject_init_and_add+0x118/0x17c [ 203.745375][ T6104] gfs2_sys_fs_add+0x1dc/0x3d8 [ 203.746052][ T6104] gfs2_fill_super+0xdac/0x19e0 [ 203.746716][ T6104] get_tree_bdev+0x358/0x544 [ 203.747406][ T6104] gfs2_get_tree+0x54/0x1b4 [ 203.748110][ T6104] vfs_get_tree+0x90/0x274 [ 203.748789][ T6104] do_new_mount+0x228/0x810 [ 203.749488][ T6104] path_mount+0x5b4/0x1000 [ 203.750158][ T6104] __arm64_sys_mount+0x514/0x5e4 [ 203.750919][ T6104] invoke_syscall+0x98/0x2b8 [ 203.751806][ T6104] el0_svc_common+0x138/0x258 [ 203.752577][ T6104] do_el0_svc+0x58/0x14c [ 203.753289][ T6104] el0_svc+0x78/0x1e0 [ 203.753986][ T6104] el0t_64_sync_handler+0xcc/0xe4 [ 203.754816][ T6104] el0t_64_sync+0x1a0/0x1a4 [ 203.755764][ T6104] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.757706][ T6104] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.006187][ T6106] loop1: detected capacity change from 0 to 32768 [ 204.064730][ T6106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.065864][ T6106] CPU: 1 PID: 6106 Comm: syz.1.558 Not tainted syzkaller #0 [ 204.066979][ T6106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.068625][ T6106] Call trace: [ 204.069137][ T6106] dump_backtrace+0x0/0x43c [ 204.069775][ T6106] show_stack+0x2c/0x3c [ 204.070409][ T6106] __dump_stack+0x30/0x40 [ 204.071094][ T6106] dump_stack_lvl+0xf8/0x160 [ 204.071775][ T6106] dump_stack+0x1c/0x5c [ 204.072373][ T6106] sysfs_create_dir_ns+0x22c/0x24c [ 204.073114][ T6106] kobject_add_internal+0x590/0xc54 [ 204.073873][ T6106] kobject_init_and_add+0x118/0x17c [ 204.074774][ T6106] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.075521][ T6106] gfs2_fill_super+0xdac/0x19e0 [ 204.076297][ T6106] get_tree_bdev+0x358/0x544 [ 204.077075][ T6106] gfs2_get_tree+0x54/0x1b4 [ 204.077796][ T6106] vfs_get_tree+0x90/0x274 [ 204.078527][ T6106] do_new_mount+0x228/0x810 [ 204.079316][ T6106] path_mount+0x5b4/0x1000 [ 204.080041][ T6106] __arm64_sys_mount+0x514/0x5e4 [ 204.080791][ T6106] invoke_syscall+0x98/0x2b8 [ 204.081592][ T6106] el0_svc_common+0x138/0x258 [ 204.082345][ T6106] do_el0_svc+0x58/0x14c [ 204.083033][ T6106] el0_svc+0x78/0x1e0 [ 204.083662][ T6106] el0t_64_sync_handler+0xcc/0xe4 [ 204.084462][ T6106] el0t_64_sync+0x1a0/0x1a4 [ 204.085964][ T6106] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.088178][ T6106] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.221174][ T6108] loop1: detected capacity change from 0 to 32768 [ 204.273440][ T6108] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.274628][ T6108] CPU: 1 PID: 6108 Comm: syz.1.559 Not tainted syzkaller #0 [ 204.275666][ T6108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.277069][ T6108] Call trace: [ 204.277521][ T6108] dump_backtrace+0x0/0x43c [ 204.278149][ T6108] show_stack+0x2c/0x3c [ 204.278750][ T6108] __dump_stack+0x30/0x40 [ 204.279395][ T6108] dump_stack_lvl+0xf8/0x160 [ 204.280196][ T6108] dump_stack+0x1c/0x5c [ 204.280870][ T6108] sysfs_create_dir_ns+0x22c/0x24c [ 204.281738][ T6108] kobject_add_internal+0x590/0xc54 [ 204.282649][ T6108] kobject_init_and_add+0x118/0x17c [ 204.283579][ T6108] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.284403][ T6108] gfs2_fill_super+0xdac/0x19e0 [ 204.285198][ T6108] get_tree_bdev+0x358/0x544 [ 204.285962][ T6108] gfs2_get_tree+0x54/0x1b4 [ 204.286616][ T6108] vfs_get_tree+0x90/0x274 [ 204.287276][ T6108] do_new_mount+0x228/0x810 [ 204.288087][ T6108] path_mount+0x5b4/0x1000 [ 204.288799][ T6108] __arm64_sys_mount+0x514/0x5e4 [ 204.289633][ T6108] invoke_syscall+0x98/0x2b8 [ 204.290380][ T6108] el0_svc_common+0x138/0x258 [ 204.291125][ T6108] do_el0_svc+0x58/0x14c [ 204.291755][ T6108] el0_svc+0x78/0x1e0 [ 204.292383][ T6108] el0t_64_sync_handler+0xcc/0xe4 [ 204.293182][ T6108] el0t_64_sync+0x1a0/0x1a4 [ 204.295275][ T6108] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.297352][ T6108] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.473428][ T6111] loop1: detected capacity change from 0 to 32768 [ 204.520077][ T6111] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.521373][ T6111] CPU: 0 PID: 6111 Comm: syz.1.560 Not tainted syzkaller #0 [ 204.522600][ T6111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.524129][ T6111] Call trace: [ 204.524637][ T6111] dump_backtrace+0x0/0x43c [ 204.525330][ T6111] show_stack+0x2c/0x3c [ 204.525969][ T6111] __dump_stack+0x30/0x40 [ 204.526675][ T6111] dump_stack_lvl+0xf8/0x160 [ 204.527388][ T6111] dump_stack+0x1c/0x5c [ 204.528075][ T6111] sysfs_create_dir_ns+0x22c/0x24c [ 204.528894][ T6111] kobject_add_internal+0x590/0xc54 [ 204.529713][ T6111] kobject_init_and_add+0x118/0x17c [ 204.530554][ T6111] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.531268][ T6111] gfs2_fill_super+0xdac/0x19e0 [ 204.531985][ T6111] get_tree_bdev+0x358/0x544 [ 204.532626][ T6111] gfs2_get_tree+0x54/0x1b4 [ 204.533308][ T6111] vfs_get_tree+0x90/0x274 [ 204.534014][ T6111] do_new_mount+0x228/0x810 [ 204.534673][ T6111] path_mount+0x5b4/0x1000 [ 204.535342][ T6111] __arm64_sys_mount+0x514/0x5e4 [ 204.536034][ T6111] invoke_syscall+0x98/0x2b8 [ 204.536720][ T6111] el0_svc_common+0x138/0x258 [ 204.537406][ T6111] do_el0_svc+0x58/0x14c [ 204.538004][ T6111] el0_svc+0x78/0x1e0 [ 204.538668][ T6111] el0t_64_sync_handler+0xcc/0xe4 [ 204.539353][ T6111] el0t_64_sync+0x1a0/0x1a4 [ 204.540819][ T6111] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.542803][ T6111] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.719518][ T6113] loop1: detected capacity change from 0 to 32768 [ 204.763720][ T6113] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.764873][ T6113] CPU: 0 PID: 6113 Comm: syz.1.561 Not tainted syzkaller #0 [ 204.766002][ T6113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.767487][ T6113] Call trace: [ 204.767942][ T6113] dump_backtrace+0x0/0x43c [ 204.768580][ T6113] show_stack+0x2c/0x3c [ 204.769204][ T6113] __dump_stack+0x30/0x40 [ 204.769874][ T6113] dump_stack_lvl+0xf8/0x160 [ 204.770585][ T6113] dump_stack+0x1c/0x5c [ 204.771208][ T6113] sysfs_create_dir_ns+0x22c/0x24c [ 204.772022][ T6113] kobject_add_internal+0x590/0xc54 [ 204.772909][ T6113] kobject_init_and_add+0x118/0x17c [ 204.773706][ T6113] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.774420][ T6113] gfs2_fill_super+0xdac/0x19e0 [ 204.775153][ T6113] get_tree_bdev+0x358/0x544 [ 204.775865][ T6113] gfs2_get_tree+0x54/0x1b4 [ 204.776517][ T6113] vfs_get_tree+0x90/0x274 [ 204.777287][ T6113] do_new_mount+0x228/0x810 [ 204.777990][ T6113] path_mount+0x5b4/0x1000 [ 204.778785][ T6113] __arm64_sys_mount+0x514/0x5e4 [ 204.779581][ T6113] invoke_syscall+0x98/0x2b8 [ 204.780351][ T6113] el0_svc_common+0x138/0x258 [ 204.781030][ T6113] do_el0_svc+0x58/0x14c [ 204.781673][ T6113] el0_svc+0x78/0x1e0 [ 204.782236][ T6113] el0t_64_sync_handler+0xcc/0xe4 [ 204.782970][ T6113] el0t_64_sync+0x1a0/0x1a4 [ 204.785063][ T6113] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.787067][ T6113] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 204.922649][ T6115] loop1: detected capacity change from 0 to 32768 [ 204.929840][ T6115] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 204.930904][ T6115] CPU: 1 PID: 6115 Comm: syz.1.562 Not tainted syzkaller #0 [ 204.932106][ T6115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.933704][ T6115] Call trace: [ 204.934252][ T6115] dump_backtrace+0x0/0x43c [ 204.934944][ T6115] show_stack+0x2c/0x3c [ 204.935595][ T6115] __dump_stack+0x30/0x40 [ 204.936244][ T6115] dump_stack_lvl+0xf8/0x160 [ 204.936969][ T6115] dump_stack+0x1c/0x5c [ 204.937633][ T6115] sysfs_create_dir_ns+0x22c/0x24c [ 204.938418][ T6115] kobject_add_internal+0x590/0xc54 [ 204.939244][ T6115] kobject_init_and_add+0x118/0x17c [ 204.940108][ T6115] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.940879][ T6115] gfs2_fill_super+0xdac/0x19e0 [ 204.941696][ T6115] get_tree_bdev+0x358/0x544 [ 204.942403][ T6115] gfs2_get_tree+0x54/0x1b4 [ 204.943098][ T6115] vfs_get_tree+0x90/0x274 [ 204.943814][ T6115] do_new_mount+0x228/0x810 [ 204.944597][ T6115] path_mount+0x5b4/0x1000 [ 204.945372][ T6115] __arm64_sys_mount+0x514/0x5e4 [ 204.946138][ T6115] invoke_syscall+0x98/0x2b8 [ 204.946880][ T6115] el0_svc_common+0x138/0x258 [ 204.947651][ T6115] do_el0_svc+0x58/0x14c [ 204.948329][ T6115] el0_svc+0x78/0x1e0 [ 204.948982][ T6115] el0t_64_sync_handler+0xcc/0xe4 [ 204.949791][ T6115] el0t_64_sync+0x1a0/0x1a4 [ 204.950655][ T6115] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.952689][ T6115] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.085565][ T6117] loop1: detected capacity change from 0 to 32768 [ 205.149089][ T6117] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.150352][ T6117] CPU: 1 PID: 6117 Comm: syz.1.563 Not tainted syzkaller #0 [ 205.151506][ T6117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.153170][ T6117] Call trace: [ 205.153691][ T6117] dump_backtrace+0x0/0x43c [ 205.154368][ T6117] show_stack+0x2c/0x3c [ 205.155009][ T6117] __dump_stack+0x30/0x40 [ 205.155640][ T6117] dump_stack_lvl+0xf8/0x160 [ 205.156300][ T6117] dump_stack+0x1c/0x5c [ 205.156998][ T6117] sysfs_create_dir_ns+0x22c/0x24c [ 205.157797][ T6117] kobject_add_internal+0x590/0xc54 [ 205.158634][ T6117] kobject_init_and_add+0x118/0x17c [ 205.159509][ T6117] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.160278][ T6117] gfs2_fill_super+0xdac/0x19e0 [ 205.161119][ T6117] get_tree_bdev+0x358/0x544 [ 205.161908][ T6117] gfs2_get_tree+0x54/0x1b4 [ 205.162724][ T6117] vfs_get_tree+0x90/0x274 [ 205.163438][ T6117] do_new_mount+0x228/0x810 [ 205.164163][ T6117] path_mount+0x5b4/0x1000 [ 205.164842][ T6117] __arm64_sys_mount+0x514/0x5e4 [ 205.165618][ T6117] invoke_syscall+0x98/0x2b8 [ 205.166363][ T6117] el0_svc_common+0x138/0x258 [ 205.167132][ T6117] do_el0_svc+0x58/0x14c [ 205.167781][ T6117] el0_svc+0x78/0x1e0 [ 205.168403][ T6117] el0t_64_sync_handler+0xcc/0xe4 [ 205.169220][ T6117] el0t_64_sync+0x1a0/0x1a4 [ 205.171473][ T6117] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.173501][ T6117] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.313168][ T6119] loop1: detected capacity change from 0 to 32768 [ 205.350178][ T6119] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.351463][ T6119] CPU: 1 PID: 6119 Comm: syz.1.564 Not tainted syzkaller #0 [ 205.352566][ T6119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.354160][ T6119] Call trace: [ 205.354681][ T6119] dump_backtrace+0x0/0x43c [ 205.355385][ T6119] show_stack+0x2c/0x3c [ 205.355984][ T6119] __dump_stack+0x30/0x40 [ 205.356649][ T6119] dump_stack_lvl+0xf8/0x160 [ 205.357390][ T6119] dump_stack+0x1c/0x5c [ 205.358001][ T6119] sysfs_create_dir_ns+0x22c/0x24c [ 205.358725][ T6119] kobject_add_internal+0x590/0xc54 [ 205.359458][ T6119] kobject_init_and_add+0x118/0x17c [ 205.360214][ T6119] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.360896][ T6119] gfs2_fill_super+0xdac/0x19e0 [ 205.361635][ T6119] get_tree_bdev+0x358/0x544 [ 205.362330][ T6119] gfs2_get_tree+0x54/0x1b4 [ 205.363070][ T6119] vfs_get_tree+0x90/0x274 [ 205.363765][ T6119] do_new_mount+0x228/0x810 [ 205.364526][ T6119] path_mount+0x5b4/0x1000 [ 205.365258][ T6119] __arm64_sys_mount+0x514/0x5e4 [ 205.366064][ T6119] invoke_syscall+0x98/0x2b8 [ 205.366814][ T6119] el0_svc_common+0x138/0x258 [ 205.367587][ T6119] do_el0_svc+0x58/0x14c [ 205.368240][ T6119] el0_svc+0x78/0x1e0 [ 205.368881][ T6119] el0t_64_sync_handler+0xcc/0xe4 [ 205.369600][ T6119] el0t_64_sync+0x1a0/0x1a4 [ 205.371228][ T6119] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.373170][ T6119] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.596081][ T6121] loop1: detected capacity change from 0 to 32768 [ 205.654151][ T6121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.655357][ T6121] CPU: 1 PID: 6121 Comm: syz.1.565 Not tainted syzkaller #0 [ 205.656465][ T6121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.657972][ T6121] Call trace: [ 205.658410][ T6121] dump_backtrace+0x0/0x43c [ 205.659054][ T6121] show_stack+0x2c/0x3c [ 205.659703][ T6121] __dump_stack+0x30/0x40 [ 205.660370][ T6121] dump_stack_lvl+0xf8/0x160 [ 205.661109][ T6121] dump_stack+0x1c/0x5c [ 205.661785][ T6121] sysfs_create_dir_ns+0x22c/0x24c [ 205.662599][ T6121] kobject_add_internal+0x590/0xc54 [ 205.663410][ T6121] kobject_init_and_add+0x118/0x17c [ 205.664182][ T6121] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.664891][ T6121] gfs2_fill_super+0xdac/0x19e0 [ 205.665741][ T6121] get_tree_bdev+0x358/0x544 [ 205.666539][ T6121] gfs2_get_tree+0x54/0x1b4 [ 205.667359][ T6121] vfs_get_tree+0x90/0x274 [ 205.668073][ T6121] do_new_mount+0x228/0x810 [ 205.668797][ T6121] path_mount+0x5b4/0x1000 [ 205.669465][ T6121] __arm64_sys_mount+0x514/0x5e4 [ 205.670194][ T6121] invoke_syscall+0x98/0x2b8 [ 205.670872][ T6121] el0_svc_common+0x138/0x258 [ 205.671557][ T6121] do_el0_svc+0x58/0x14c [ 205.672209][ T6121] el0_svc+0x78/0x1e0 [ 205.672809][ T6121] el0t_64_sync_handler+0xcc/0xe4 [ 205.673585][ T6121] el0t_64_sync+0x1a0/0x1a4 [ 205.675657][ T6121] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.677658][ T6121] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.810915][ T6123] loop1: detected capacity change from 0 to 32768 [ 205.818415][ T6123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 205.819767][ T6123] CPU: 0 PID: 6123 Comm: syz.1.566 Not tainted syzkaller #0 [ 205.820932][ T6123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.822548][ T6123] Call trace: [ 205.823072][ T6123] dump_backtrace+0x0/0x43c [ 205.823796][ T6123] show_stack+0x2c/0x3c [ 205.824446][ T6123] __dump_stack+0x30/0x40 [ 205.825124][ T6123] dump_stack_lvl+0xf8/0x160 [ 205.825805][ T6123] dump_stack+0x1c/0x5c [ 205.826412][ T6123] sysfs_create_dir_ns+0x22c/0x24c [ 205.827118][ T6123] kobject_add_internal+0x590/0xc54 [ 205.827871][ T6123] kobject_init_and_add+0x118/0x17c [ 205.828684][ T6123] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.829398][ T6123] gfs2_fill_super+0xdac/0x19e0 [ 205.830110][ T6123] get_tree_bdev+0x358/0x544 [ 205.830859][ T6123] gfs2_get_tree+0x54/0x1b4 [ 205.831588][ T6123] vfs_get_tree+0x90/0x274 [ 205.832335][ T6123] do_new_mount+0x228/0x810 [ 205.833057][ T6123] path_mount+0x5b4/0x1000 [ 205.833723][ T6123] __arm64_sys_mount+0x514/0x5e4 [ 205.834463][ T6123] invoke_syscall+0x98/0x2b8 [ 205.835192][ T6123] el0_svc_common+0x138/0x258 [ 205.835881][ T6123] do_el0_svc+0x58/0x14c [ 205.836508][ T6123] el0_svc+0x78/0x1e0 [ 205.837062][ T6123] el0t_64_sync_handler+0xcc/0xe4 [ 205.837764][ T6123] el0t_64_sync+0x1a0/0x1a4 [ 205.839647][ T6123] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 205.841652][ T6123] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.970882][ T6125] loop1: detected capacity change from 0 to 32768 [ 206.010444][ T6125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.011809][ T6125] CPU: 1 PID: 6125 Comm: syz.1.567 Not tainted syzkaller #0 [ 206.013043][ T6125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.014705][ T6125] Call trace: [ 206.015198][ T6125] dump_backtrace+0x0/0x43c [ 206.015854][ T6125] show_stack+0x2c/0x3c [ 206.016482][ T6125] __dump_stack+0x30/0x40 [ 206.017211][ T6125] dump_stack_lvl+0xf8/0x160 [ 206.017868][ T6125] dump_stack+0x1c/0x5c [ 206.018524][ T6125] sysfs_create_dir_ns+0x22c/0x24c [ 206.019249][ T6125] kobject_add_internal+0x590/0xc54 [ 206.020003][ T6125] kobject_init_and_add+0x118/0x17c [ 206.020762][ T6125] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.021511][ T6125] gfs2_fill_super+0xdac/0x19e0 [ 206.022238][ T6125] get_tree_bdev+0x358/0x544 [ 206.022922][ T6125] gfs2_get_tree+0x54/0x1b4 [ 206.023667][ T6125] vfs_get_tree+0x90/0x274 [ 206.024429][ T6125] do_new_mount+0x228/0x810 [ 206.025127][ T6125] path_mount+0x5b4/0x1000 [ 206.025832][ T6125] __arm64_sys_mount+0x514/0x5e4 [ 206.026574][ T6125] invoke_syscall+0x98/0x2b8 [ 206.027272][ T6125] el0_svc_common+0x138/0x258 [ 206.027974][ T6125] do_el0_svc+0x58/0x14c [ 206.028720][ T6125] el0_svc+0x78/0x1e0 [ 206.029380][ T6125] el0t_64_sync_handler+0xcc/0xe4 [ 206.030119][ T6125] el0t_64_sync+0x1a0/0x1a4 [ 206.032103][ T6125] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.033948][ T6125] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.170544][ T6127] loop1: detected capacity change from 0 to 32768 [ 206.174942][ T6127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.176202][ T6127] CPU: 1 PID: 6127 Comm: syz.1.568 Not tainted syzkaller #0 [ 206.177320][ T6127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.178803][ T6127] Call trace: [ 206.179335][ T6127] dump_backtrace+0x0/0x43c [ 206.180065][ T6127] show_stack+0x2c/0x3c [ 206.180662][ T6127] __dump_stack+0x30/0x40 [ 206.181323][ T6127] dump_stack_lvl+0xf8/0x160 [ 206.182172][ T6127] dump_stack+0x1c/0x5c [ 206.182856][ T6127] sysfs_create_dir_ns+0x22c/0x24c [ 206.183746][ T6127] kobject_add_internal+0x590/0xc54 [ 206.184542][ T6127] kobject_init_and_add+0x118/0x17c [ 206.185428][ T6127] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.186276][ T6127] gfs2_fill_super+0xdac/0x19e0 [ 206.187058][ T6127] get_tree_bdev+0x358/0x544 [ 206.187795][ T6127] gfs2_get_tree+0x54/0x1b4 [ 206.188526][ T6127] vfs_get_tree+0x90/0x274 [ 206.189290][ T6127] do_new_mount+0x228/0x810 [ 206.190058][ T6127] path_mount+0x5b4/0x1000 [ 206.190750][ T6127] __arm64_sys_mount+0x514/0x5e4 [ 206.191566][ T6127] invoke_syscall+0x98/0x2b8 [ 206.192258][ T6127] el0_svc_common+0x138/0x258 [ 206.192976][ T6127] do_el0_svc+0x58/0x14c [ 206.193592][ T6127] el0_svc+0x78/0x1e0 [ 206.194183][ T6127] el0t_64_sync_handler+0xcc/0xe4 [ 206.194894][ T6127] el0t_64_sync+0x1a0/0x1a4 [ 206.195730][ T6127] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.197714][ T6127] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.332371][ T6129] loop1: detected capacity change from 0 to 32768 [ 206.340372][ T6129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.341631][ T6129] CPU: 0 PID: 6129 Comm: syz.1.569 Not tainted syzkaller #0 [ 206.342723][ T6129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.344050][ T6129] Call trace: [ 206.344518][ T6129] dump_backtrace+0x0/0x43c [ 206.345065][ T6129] show_stack+0x2c/0x3c [ 206.345544][ T6129] __dump_stack+0x30/0x40 [ 206.346052][ T6129] dump_stack_lvl+0xf8/0x160 [ 206.346602][ T6129] dump_stack+0x1c/0x5c [ 206.347087][ T6129] sysfs_create_dir_ns+0x22c/0x24c [ 206.347701][ T6129] kobject_add_internal+0x590/0xc54 [ 206.348325][ T6129] kobject_init_and_add+0x118/0x17c [ 206.348950][ T6129] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.350513][ T6129] gfs2_fill_super+0xdac/0x19e0 [ 206.351249][ T6129] get_tree_bdev+0x358/0x544 [ 206.351920][ T6129] gfs2_get_tree+0x54/0x1b4 [ 206.352653][ T6129] vfs_get_tree+0x90/0x274 [ 206.353405][ T6129] do_new_mount+0x228/0x810 [ 206.354070][ T6129] path_mount+0x5b4/0x1000 [ 206.354808][ T6129] __arm64_sys_mount+0x514/0x5e4 [ 206.355605][ T6129] invoke_syscall+0x98/0x2b8 [ 206.356362][ T6129] el0_svc_common+0x138/0x258 [ 206.357138][ T6129] do_el0_svc+0x58/0x14c [ 206.357798][ T6129] el0_svc+0x78/0x1e0 [ 206.358472][ T6129] el0t_64_sync_handler+0xcc/0xe4 [ 206.359251][ T6129] el0t_64_sync+0x1a0/0x1a4 [ 206.361576][ T6129] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.363600][ T6129] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.493450][ T6131] loop1: detected capacity change from 0 to 32768 [ 206.542802][ T6131] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.543980][ T6131] CPU: 0 PID: 6131 Comm: syz.1.570 Not tainted syzkaller #0 [ 206.544977][ T6131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.546613][ T6131] Call trace: [ 206.547157][ T6131] dump_backtrace+0x0/0x43c [ 206.547833][ T6131] show_stack+0x2c/0x3c [ 206.548449][ T6131] __dump_stack+0x30/0x40 [ 206.549041][ T6131] dump_stack_lvl+0xf8/0x160 [ 206.549777][ T6131] dump_stack+0x1c/0x5c [ 206.550424][ T6131] sysfs_create_dir_ns+0x22c/0x24c [ 206.551279][ T6131] kobject_add_internal+0x590/0xc54 [ 206.552088][ T6131] kobject_init_and_add+0x118/0x17c [ 206.552927][ T6131] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.553685][ T6131] gfs2_fill_super+0xdac/0x19e0 [ 206.554369][ T6131] get_tree_bdev+0x358/0x544 [ 206.555037][ T6131] gfs2_get_tree+0x54/0x1b4 [ 206.555727][ T6131] vfs_get_tree+0x90/0x274 [ 206.556363][ T6131] do_new_mount+0x228/0x810 [ 206.557055][ T6131] path_mount+0x5b4/0x1000 [ 206.557756][ T6131] __arm64_sys_mount+0x514/0x5e4 [ 206.558490][ T6131] invoke_syscall+0x98/0x2b8 [ 206.559213][ T6131] el0_svc_common+0x138/0x258 [ 206.559979][ T6131] do_el0_svc+0x58/0x14c [ 206.560612][ T6131] el0_svc+0x78/0x1e0 [ 206.561279][ T6131] el0t_64_sync_handler+0xcc/0xe4 [ 206.562077][ T6131] el0t_64_sync+0x1a0/0x1a4 [ 206.563714][ T6131] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.565831][ T6131] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 206.705569][ T6133] loop1: detected capacity change from 0 to 32768 [ 206.811446][ T6133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 206.812695][ T6133] CPU: 1 PID: 6133 Comm: syz.1.571 Not tainted syzkaller #0 [ 206.813743][ T6133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.815394][ T6133] Call trace: [ 206.815995][ T6133] dump_backtrace+0x0/0x43c [ 206.816680][ T6133] show_stack+0x2c/0x3c [ 206.817417][ T6133] __dump_stack+0x30/0x40 [ 206.818129][ T6133] dump_stack_lvl+0xf8/0x160 [ 206.818847][ T6133] dump_stack+0x1c/0x5c [ 206.819498][ T6133] sysfs_create_dir_ns+0x22c/0x24c [ 206.820323][ T6133] kobject_add_internal+0x590/0xc54 [ 206.821126][ T6133] kobject_init_and_add+0x118/0x17c [ 206.821945][ T6133] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.822724][ T6133] gfs2_fill_super+0xdac/0x19e0 [ 206.823485][ T6133] get_tree_bdev+0x358/0x544 [ 206.824166][ T6133] gfs2_get_tree+0x54/0x1b4 [ 206.824915][ T6133] vfs_get_tree+0x90/0x274 [ 206.825637][ T6133] do_new_mount+0x228/0x810 [ 206.826311][ T6133] path_mount+0x5b4/0x1000 [ 206.826996][ T6133] __arm64_sys_mount+0x514/0x5e4 [ 206.827815][ T6133] invoke_syscall+0x98/0x2b8 [ 206.828500][ T6133] el0_svc_common+0x138/0x258 [ 206.829239][ T6133] do_el0_svc+0x58/0x14c [ 206.829817][ T6133] el0_svc+0x78/0x1e0 [ 206.830468][ T6133] el0t_64_sync_handler+0xcc/0xe4 [ 206.831218][ T6133] el0t_64_sync+0x1a0/0x1a4 [ 206.832118][ T6133] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 206.834513][ T6133] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.005672][ T6135] loop1: detected capacity change from 0 to 32768 [ 207.040417][ T6135] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.041603][ T6135] CPU: 0 PID: 6135 Comm: syz.1.572 Not tainted syzkaller #0 [ 207.042676][ T6135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.044130][ T6135] Call trace: [ 207.044611][ T6135] dump_backtrace+0x0/0x43c [ 207.045360][ T6135] show_stack+0x2c/0x3c [ 207.046018][ T6135] __dump_stack+0x30/0x40 [ 207.046658][ T6135] dump_stack_lvl+0xf8/0x160 [ 207.047386][ T6135] dump_stack+0x1c/0x5c [ 207.048013][ T6135] sysfs_create_dir_ns+0x22c/0x24c [ 207.048821][ T6135] kobject_add_internal+0x590/0xc54 [ 207.049700][ T6135] kobject_init_and_add+0x118/0x17c [ 207.050458][ T6135] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.051150][ T6135] gfs2_fill_super+0xdac/0x19e0 [ 207.051830][ T6135] get_tree_bdev+0x358/0x544 [ 207.052495][ T6135] gfs2_get_tree+0x54/0x1b4 [ 207.053130][ T6135] vfs_get_tree+0x90/0x274 [ 207.053846][ T6135] do_new_mount+0x228/0x810 [ 207.054594][ T6135] path_mount+0x5b4/0x1000 [ 207.055310][ T6135] __arm64_sys_mount+0x514/0x5e4 [ 207.056089][ T6135] invoke_syscall+0x98/0x2b8 [ 207.056848][ T6135] el0_svc_common+0x138/0x258 [ 207.057647][ T6135] do_el0_svc+0x58/0x14c [ 207.058362][ T6135] el0_svc+0x78/0x1e0 [ 207.058972][ T6135] el0t_64_sync_handler+0xcc/0xe4 [ 207.059721][ T6135] el0t_64_sync+0x1a0/0x1a4 [ 207.060672][ T6135] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.063059][ T6135] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.195198][ T6137] loop1: detected capacity change from 0 to 32768 [ 207.202986][ T6137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.204266][ T6137] CPU: 0 PID: 6137 Comm: syz.1.573 Not tainted syzkaller #0 [ 207.205279][ T6137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.206863][ T6137] Call trace: [ 207.207314][ T6137] dump_backtrace+0x0/0x43c [ 207.208001][ T6137] show_stack+0x2c/0x3c [ 207.208682][ T6137] __dump_stack+0x30/0x40 [ 207.209378][ T6137] dump_stack_lvl+0xf8/0x160 [ 207.210052][ T6137] dump_stack+0x1c/0x5c [ 207.210761][ T6137] sysfs_create_dir_ns+0x22c/0x24c [ 207.211530][ T6137] kobject_add_internal+0x590/0xc54 [ 207.212310][ T6137] kobject_init_and_add+0x118/0x17c [ 207.213023][ T6137] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.213727][ T6137] gfs2_fill_super+0xdac/0x19e0 [ 207.214462][ T6137] get_tree_bdev+0x358/0x544 [ 207.215220][ T6137] gfs2_get_tree+0x54/0x1b4 [ 207.215919][ T6137] vfs_get_tree+0x90/0x274 [ 207.216639][ T6137] do_new_mount+0x228/0x810 [ 207.217332][ T6137] path_mount+0x5b4/0x1000 [ 207.217994][ T6137] __arm64_sys_mount+0x514/0x5e4 [ 207.218782][ T6137] invoke_syscall+0x98/0x2b8 [ 207.219468][ T6137] el0_svc_common+0x138/0x258 [ 207.220179][ T6137] do_el0_svc+0x58/0x14c [ 207.220816][ T6137] el0_svc+0x78/0x1e0 [ 207.221434][ T6137] el0t_64_sync_handler+0xcc/0xe4 [ 207.222297][ T6137] el0t_64_sync+0x1a0/0x1a4 [ 207.223698][ T6137] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.225601][ T6137] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.358934][ T6139] loop1: detected capacity change from 0 to 32768 [ 207.365973][ T6139] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.367137][ T6139] CPU: 1 PID: 6139 Comm: syz.1.574 Not tainted syzkaller #0 [ 207.368214][ T6139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.369703][ T6139] Call trace: [ 207.370203][ T6139] dump_backtrace+0x0/0x43c [ 207.370893][ T6139] show_stack+0x2c/0x3c [ 207.371572][ T6139] __dump_stack+0x30/0x40 [ 207.372221][ T6139] dump_stack_lvl+0xf8/0x160 [ 207.372921][ T6139] dump_stack+0x1c/0x5c [ 207.373648][ T6139] sysfs_create_dir_ns+0x22c/0x24c [ 207.374562][ T6139] kobject_add_internal+0x590/0xc54 [ 207.375380][ T6139] kobject_init_and_add+0x118/0x17c [ 207.376250][ T6139] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.377078][ T6139] gfs2_fill_super+0xdac/0x19e0 [ 207.377913][ T6139] get_tree_bdev+0x358/0x544 [ 207.378676][ T6139] gfs2_get_tree+0x54/0x1b4 [ 207.379434][ T6139] vfs_get_tree+0x90/0x274 [ 207.380098][ T6139] do_new_mount+0x228/0x810 [ 207.380789][ T6139] path_mount+0x5b4/0x1000 [ 207.381454][ T6139] __arm64_sys_mount+0x514/0x5e4 [ 207.382308][ T6139] invoke_syscall+0x98/0x2b8 [ 207.383123][ T6139] el0_svc_common+0x138/0x258 [ 207.383913][ T6139] do_el0_svc+0x58/0x14c [ 207.384643][ T6139] el0_svc+0x78/0x1e0 [ 207.385318][ T6139] el0t_64_sync_handler+0xcc/0xe4 [ 207.386097][ T6139] el0t_64_sync+0x1a0/0x1a4 [ 207.389133][ T6139] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.391209][ T6139] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.523306][ T6141] loop1: detected capacity change from 0 to 32768 [ 207.530777][ T6141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.531943][ T6141] CPU: 0 PID: 6141 Comm: syz.1.575 Not tainted syzkaller #0 [ 207.533107][ T6141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.534538][ T6141] Call trace: [ 207.534981][ T6141] dump_backtrace+0x0/0x43c [ 207.535738][ T6141] show_stack+0x2c/0x3c [ 207.536440][ T6141] __dump_stack+0x30/0x40 [ 207.537119][ T6141] dump_stack_lvl+0xf8/0x160 [ 207.537826][ T6141] dump_stack+0x1c/0x5c [ 207.538497][ T6141] sysfs_create_dir_ns+0x22c/0x24c [ 207.539297][ T6141] kobject_add_internal+0x590/0xc54 [ 207.540151][ T6141] kobject_init_and_add+0x118/0x17c [ 207.541057][ T6141] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.541841][ T6141] gfs2_fill_super+0xdac/0x19e0 [ 207.542594][ T6141] get_tree_bdev+0x358/0x544 [ 207.543307][ T6141] gfs2_get_tree+0x54/0x1b4 [ 207.543962][ T6141] vfs_get_tree+0x90/0x274 [ 207.544607][ T6141] do_new_mount+0x228/0x810 [ 207.545390][ T6141] path_mount+0x5b4/0x1000 [ 207.546070][ T6141] __arm64_sys_mount+0x514/0x5e4 [ 207.546821][ T6141] invoke_syscall+0x98/0x2b8 [ 207.547602][ T6141] el0_svc_common+0x138/0x258 [ 207.548266][ T6141] do_el0_svc+0x58/0x14c [ 207.548928][ T6141] el0_svc+0x78/0x1e0 [ 207.549594][ T6141] el0t_64_sync_handler+0xcc/0xe4 [ 207.550415][ T6141] el0t_64_sync+0x1a0/0x1a4 [ 207.551810][ T6141] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.553770][ T6141] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 207.683626][ T6143] loop1: detected capacity change from 0 to 32768 [ 207.723744][ T6143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.724896][ T6143] CPU: 0 PID: 6143 Comm: syz.1.576 Not tainted syzkaller #0 [ 207.725890][ T6143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.727545][ T6143] Call trace: [ 207.728015][ T6143] dump_backtrace+0x0/0x43c [ 207.728641][ T6143] show_stack+0x2c/0x3c [ 207.729261][ T6143] __dump_stack+0x30/0x40 [ 207.730021][ T6143] dump_stack_lvl+0xf8/0x160 [ 207.730698][ T6143] dump_stack+0x1c/0x5c [ 207.731299][ T6143] sysfs_create_dir_ns+0x22c/0x24c [ 207.732019][ T6143] kobject_add_internal+0x590/0xc54 [ 207.732781][ T6143] kobject_init_and_add+0x118/0x17c [ 207.733569][ T6143] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.734274][ T6143] gfs2_fill_super+0xdac/0x19e0 [ 207.735021][ T6143] get_tree_bdev+0x358/0x544 [ 207.735664][ T6143] gfs2_get_tree+0x54/0x1b4 [ 207.736302][ T6143] vfs_get_tree+0x90/0x274 [ 207.737003][ T6143] do_new_mount+0x228/0x810 [ 207.737700][ T6143] path_mount+0x5b4/0x1000 [ 207.738441][ T6143] __arm64_sys_mount+0x514/0x5e4 [ 207.739173][ T6143] invoke_syscall+0x98/0x2b8 [ 207.739833][ T6143] el0_svc_common+0x138/0x258 [ 207.740605][ T6143] do_el0_svc+0x58/0x14c [ 207.741335][ T6143] el0_svc+0x78/0x1e0 [ 207.742008][ T6143] el0t_64_sync_handler+0xcc/0xe4 [ 207.742873][ T6143] el0t_64_sync+0x1a0/0x1a4 [ 207.745015][ T6143] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.746953][ T6143] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:27 executed programs: 563 [ 207.880566][ T6145] loop1: detected capacity change from 0 to 32768 [ 207.940081][ T6145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 207.941442][ T6145] CPU: 1 PID: 6145 Comm: syz.1.577 Not tainted syzkaller #0 [ 207.942612][ T6145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.944194][ T6145] Call trace: [ 207.944718][ T6145] dump_backtrace+0x0/0x43c [ 207.945499][ T6145] show_stack+0x2c/0x3c [ 207.946219][ T6145] __dump_stack+0x30/0x40 [ 207.946952][ T6145] dump_stack_lvl+0xf8/0x160 [ 207.947739][ T6145] dump_stack+0x1c/0x5c [ 207.948408][ T6145] sysfs_create_dir_ns+0x22c/0x24c [ 207.949222][ T6145] kobject_add_internal+0x590/0xc54 [ 207.950072][ T6145] kobject_init_and_add+0x118/0x17c [ 207.950966][ T6145] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.951766][ T6145] gfs2_fill_super+0xdac/0x19e0 [ 207.952676][ T6145] get_tree_bdev+0x358/0x544 [ 207.953463][ T6145] gfs2_get_tree+0x54/0x1b4 [ 207.954133][ T6145] vfs_get_tree+0x90/0x274 [ 207.954787][ T6145] do_new_mount+0x228/0x810 [ 207.955417][ T6145] path_mount+0x5b4/0x1000 [ 207.956108][ T6145] __arm64_sys_mount+0x514/0x5e4 [ 207.956926][ T6145] invoke_syscall+0x98/0x2b8 [ 207.957654][ T6145] el0_svc_common+0x138/0x258 [ 207.958427][ T6145] do_el0_svc+0x58/0x14c [ 207.959060][ T6145] el0_svc+0x78/0x1e0 [ 207.959687][ T6145] el0t_64_sync_handler+0xcc/0xe4 [ 207.960458][ T6145] el0t_64_sync+0x1a0/0x1a4 [ 207.964857][ T6145] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 207.966935][ T6145] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.139766][ T6147] loop1: detected capacity change from 0 to 32768 [ 208.180218][ T6147] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.181714][ T6147] CPU: 0 PID: 6147 Comm: syz.1.578 Not tainted syzkaller #0 [ 208.182894][ T6147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.184354][ T6147] Call trace: [ 208.184801][ T6147] dump_backtrace+0x0/0x43c [ 208.185453][ T6147] show_stack+0x2c/0x3c [ 208.186073][ T6147] __dump_stack+0x30/0x40 [ 208.186738][ T6147] dump_stack_lvl+0xf8/0x160 [ 208.187453][ T6147] dump_stack+0x1c/0x5c [ 208.188011][ T6147] sysfs_create_dir_ns+0x22c/0x24c [ 208.188724][ T6147] kobject_add_internal+0x590/0xc54 [ 208.189530][ T6147] kobject_init_and_add+0x118/0x17c [ 208.190260][ T6147] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.191010][ T6147] gfs2_fill_super+0xdac/0x19e0 [ 208.191745][ T6147] get_tree_bdev+0x358/0x544 [ 208.192452][ T6147] gfs2_get_tree+0x54/0x1b4 [ 208.193099][ T6147] vfs_get_tree+0x90/0x274 [ 208.193744][ T6147] do_new_mount+0x228/0x810 [ 208.194397][ T6147] path_mount+0x5b4/0x1000 [ 208.195028][ T6147] __arm64_sys_mount+0x514/0x5e4 [ 208.195735][ T6147] invoke_syscall+0x98/0x2b8 [ 208.196388][ T6147] el0_svc_common+0x138/0x258 [ 208.197052][ T6147] do_el0_svc+0x58/0x14c [ 208.197686][ T6147] el0_svc+0x78/0x1e0 [ 208.198246][ T6147] el0t_64_sync_handler+0xcc/0xe4 [ 208.199080][ T6147] el0t_64_sync+0x1a0/0x1a4 [ 208.201556][ T6147] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.203614][ T6147] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.337870][ T6149] loop1: detected capacity change from 0 to 32768 [ 208.395004][ T6149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.396154][ T6149] CPU: 0 PID: 6149 Comm: syz.1.579 Not tainted syzkaller #0 [ 208.397289][ T6149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.398824][ T6149] Call trace: [ 208.399276][ T6149] dump_backtrace+0x0/0x43c [ 208.399948][ T6149] show_stack+0x2c/0x3c [ 208.400520][ T6149] __dump_stack+0x30/0x40 [ 208.401268][ T6149] dump_stack_lvl+0xf8/0x160 [ 208.401931][ T6149] dump_stack+0x1c/0x5c [ 208.402598][ T6149] sysfs_create_dir_ns+0x22c/0x24c [ 208.403424][ T6149] kobject_add_internal+0x590/0xc54 [ 208.404268][ T6149] kobject_init_and_add+0x118/0x17c [ 208.405096][ T6149] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.405804][ T6149] gfs2_fill_super+0xdac/0x19e0 [ 208.406506][ T6149] get_tree_bdev+0x358/0x544 [ 208.407242][ T6149] gfs2_get_tree+0x54/0x1b4 [ 208.407972][ T6149] vfs_get_tree+0x90/0x274 [ 208.408614][ T6149] do_new_mount+0x228/0x810 [ 208.409284][ T6149] path_mount+0x5b4/0x1000 [ 208.409926][ T6149] __arm64_sys_mount+0x514/0x5e4 [ 208.410632][ T6149] invoke_syscall+0x98/0x2b8 [ 208.411302][ T6149] el0_svc_common+0x138/0x258 [ 208.411943][ T6149] do_el0_svc+0x58/0x14c [ 208.412517][ T6149] el0_svc+0x78/0x1e0 [ 208.413077][ T6149] el0t_64_sync_handler+0xcc/0xe4 [ 208.413846][ T6149] el0t_64_sync+0x1a0/0x1a4 [ 208.416366][ T6149] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.418255][ T6149] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.586459][ T6151] loop1: detected capacity change from 0 to 32768 [ 208.640192][ T6151] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.641469][ T6151] CPU: 1 PID: 6151 Comm: syz.1.580 Not tainted syzkaller #0 [ 208.642595][ T6151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.644163][ T6151] Call trace: [ 208.644622][ T6151] dump_backtrace+0x0/0x43c [ 208.645300][ T6151] show_stack+0x2c/0x3c [ 208.646001][ T6151] __dump_stack+0x30/0x40 [ 208.646664][ T6151] dump_stack_lvl+0xf8/0x160 [ 208.647348][ T6151] dump_stack+0x1c/0x5c [ 208.648002][ T6151] sysfs_create_dir_ns+0x22c/0x24c [ 208.648780][ T6151] kobject_add_internal+0x590/0xc54 [ 208.649635][ T6151] kobject_init_and_add+0x118/0x17c [ 208.650541][ T6151] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.651313][ T6151] gfs2_fill_super+0xdac/0x19e0 [ 208.652075][ T6151] get_tree_bdev+0x358/0x544 [ 208.652815][ T6151] gfs2_get_tree+0x54/0x1b4 [ 208.653557][ T6151] vfs_get_tree+0x90/0x274 [ 208.654314][ T6151] do_new_mount+0x228/0x810 [ 208.654992][ T6151] path_mount+0x5b4/0x1000 [ 208.655703][ T6151] __arm64_sys_mount+0x514/0x5e4 [ 208.656504][ T6151] invoke_syscall+0x98/0x2b8 [ 208.657276][ T6151] el0_svc_common+0x138/0x258 [ 208.658034][ T6151] do_el0_svc+0x58/0x14c [ 208.658657][ T6151] el0_svc+0x78/0x1e0 [ 208.659270][ T6151] el0t_64_sync_handler+0xcc/0xe4 [ 208.660058][ T6151] el0t_64_sync+0x1a0/0x1a4 [ 208.661018][ T6151] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.662850][ T6151] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 208.789734][ T6153] loop1: detected capacity change from 0 to 32768 [ 208.874545][ T6153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 208.875693][ T6153] CPU: 0 PID: 6153 Comm: syz.1.581 Not tainted syzkaller #0 [ 208.876951][ T6153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.878436][ T6153] Call trace: [ 208.878902][ T6153] dump_backtrace+0x0/0x43c [ 208.879541][ T6153] show_stack+0x2c/0x3c [ 208.880150][ T6153] __dump_stack+0x30/0x40 [ 208.880797][ T6153] dump_stack_lvl+0xf8/0x160 [ 208.881474][ T6153] dump_stack+0x1c/0x5c [ 208.882183][ T6153] sysfs_create_dir_ns+0x22c/0x24c [ 208.882931][ T6153] kobject_add_internal+0x590/0xc54 [ 208.883645][ T6153] kobject_init_and_add+0x118/0x17c [ 208.884363][ T6153] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.885028][ T6153] gfs2_fill_super+0xdac/0x19e0 [ 208.885804][ T6153] get_tree_bdev+0x358/0x544 [ 208.886611][ T6153] gfs2_get_tree+0x54/0x1b4 [ 208.887348][ T6153] vfs_get_tree+0x90/0x274 [ 208.888046][ T6153] do_new_mount+0x228/0x810 [ 208.888735][ T6153] path_mount+0x5b4/0x1000 [ 208.889327][ T6153] __arm64_sys_mount+0x514/0x5e4 [ 208.890024][ T6153] invoke_syscall+0x98/0x2b8 [ 208.890664][ T6153] el0_svc_common+0x138/0x258 [ 208.891367][ T6153] do_el0_svc+0x58/0x14c [ 208.891983][ T6153] el0_svc+0x78/0x1e0 [ 208.892523][ T6153] el0t_64_sync_handler+0xcc/0xe4 [ 208.893229][ T6153] el0t_64_sync+0x1a0/0x1a4 [ 208.895347][ T6153] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 208.897371][ T6153] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.028689][ T6155] loop1: detected capacity change from 0 to 32768 [ 209.035680][ T6155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.036790][ T6155] CPU: 1 PID: 6155 Comm: syz.1.582 Not tainted syzkaller #0 [ 209.037919][ T6155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.039517][ T6155] Call trace: [ 209.040025][ T6155] dump_backtrace+0x0/0x43c [ 209.040706][ T6155] show_stack+0x2c/0x3c [ 209.041280][ T6155] __dump_stack+0x30/0x40 [ 209.042069][ T6155] dump_stack_lvl+0xf8/0x160 [ 209.042852][ T6155] dump_stack+0x1c/0x5c [ 209.043560][ T6155] sysfs_create_dir_ns+0x22c/0x24c [ 209.044436][ T6155] kobject_add_internal+0x590/0xc54 [ 209.045322][ T6155] kobject_init_and_add+0x118/0x17c [ 209.046216][ T6155] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.046992][ T6155] gfs2_fill_super+0xdac/0x19e0 [ 209.047792][ T6155] get_tree_bdev+0x358/0x544 [ 209.048489][ T6155] gfs2_get_tree+0x54/0x1b4 [ 209.049194][ T6155] vfs_get_tree+0x90/0x274 [ 209.049893][ T6155] do_new_mount+0x228/0x810 [ 209.050548][ T6155] path_mount+0x5b4/0x1000 [ 209.051266][ T6155] __arm64_sys_mount+0x514/0x5e4 [ 209.051975][ T6155] invoke_syscall+0x98/0x2b8 [ 209.052637][ T6155] el0_svc_common+0x138/0x258 [ 209.053338][ T6155] do_el0_svc+0x58/0x14c [ 209.054010][ T6155] el0_svc+0x78/0x1e0 [ 209.054605][ T6155] el0t_64_sync_handler+0xcc/0xe4 [ 209.055359][ T6155] el0t_64_sync+0x1a0/0x1a4 [ 209.057486][ T6155] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.059541][ T6155] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.188666][ T6157] loop1: detected capacity change from 0 to 32768 [ 209.230137][ T6157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.231343][ T6157] CPU: 0 PID: 6157 Comm: syz.1.583 Not tainted syzkaller #0 [ 209.232494][ T6157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.234078][ T6157] Call trace: [ 209.234597][ T6157] dump_backtrace+0x0/0x43c [ 209.235358][ T6157] show_stack+0x2c/0x3c [ 209.236087][ T6157] __dump_stack+0x30/0x40 [ 209.236873][ T6157] dump_stack_lvl+0xf8/0x160 [ 209.237567][ T6157] dump_stack+0x1c/0x5c [ 209.238211][ T6157] sysfs_create_dir_ns+0x22c/0x24c [ 209.239006][ T6157] kobject_add_internal+0x590/0xc54 [ 209.239786][ T6157] kobject_init_and_add+0x118/0x17c [ 209.240673][ T6157] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.241487][ T6157] gfs2_fill_super+0xdac/0x19e0 [ 209.242280][ T6157] get_tree_bdev+0x358/0x544 [ 209.243062][ T6157] gfs2_get_tree+0x54/0x1b4 [ 209.243831][ T6157] vfs_get_tree+0x90/0x274 [ 209.244562][ T6157] do_new_mount+0x228/0x810 [ 209.245231][ T6157] path_mount+0x5b4/0x1000 [ 209.245878][ T6157] __arm64_sys_mount+0x514/0x5e4 [ 209.246644][ T6157] invoke_syscall+0x98/0x2b8 [ 209.247364][ T6157] el0_svc_common+0x138/0x258 [ 209.248075][ T6157] do_el0_svc+0x58/0x14c [ 209.248723][ T6157] el0_svc+0x78/0x1e0 [ 209.249304][ T6157] el0t_64_sync_handler+0xcc/0xe4 [ 209.250073][ T6157] el0t_64_sync+0x1a0/0x1a4 [ 209.250933][ T6157] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.253006][ T6157] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.426091][ T6159] loop1: detected capacity change from 0 to 32768 [ 209.470019][ T6159] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.471193][ T6159] CPU: 1 PID: 6159 Comm: syz.1.584 Not tainted syzkaller #0 [ 209.472268][ T6159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.473657][ T6159] Call trace: [ 209.474139][ T6159] dump_backtrace+0x0/0x43c [ 209.474792][ T6159] show_stack+0x2c/0x3c [ 209.475376][ T6159] __dump_stack+0x30/0x40 [ 209.475965][ T6159] dump_stack_lvl+0xf8/0x160 [ 209.476654][ T6159] dump_stack+0x1c/0x5c [ 209.477322][ T6159] sysfs_create_dir_ns+0x22c/0x24c [ 209.478171][ T6159] kobject_add_internal+0x590/0xc54 [ 209.479032][ T6159] kobject_init_and_add+0x118/0x17c [ 209.479881][ T6159] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.480693][ T6159] gfs2_fill_super+0xdac/0x19e0 [ 209.481465][ T6159] get_tree_bdev+0x358/0x544 [ 209.482196][ T6159] gfs2_get_tree+0x54/0x1b4 [ 209.482943][ T6159] vfs_get_tree+0x90/0x274 [ 209.483650][ T6159] do_new_mount+0x228/0x810 [ 209.484423][ T6159] path_mount+0x5b4/0x1000 [ 209.485126][ T6159] __arm64_sys_mount+0x514/0x5e4 [ 209.485932][ T6159] invoke_syscall+0x98/0x2b8 [ 209.486648][ T6159] el0_svc_common+0x138/0x258 [ 209.487426][ T6159] do_el0_svc+0x58/0x14c [ 209.488081][ T6159] el0_svc+0x78/0x1e0 [ 209.488652][ T6159] el0t_64_sync_handler+0xcc/0xe4 [ 209.489469][ T6159] el0t_64_sync+0x1a0/0x1a4 [ 209.491519][ T6159] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.493401][ T6159] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.628637][ T6161] loop1: detected capacity change from 0 to 32768 [ 209.636393][ T6161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.637520][ T6161] CPU: 0 PID: 6161 Comm: syz.1.585 Not tainted syzkaller #0 [ 209.638682][ T6161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.640360][ T6161] Call trace: [ 209.640907][ T6161] dump_backtrace+0x0/0x43c [ 209.641613][ T6161] show_stack+0x2c/0x3c [ 209.642244][ T6161] __dump_stack+0x30/0x40 [ 209.642859][ T6161] dump_stack_lvl+0xf8/0x160 [ 209.643501][ T6161] dump_stack+0x1c/0x5c [ 209.644095][ T6161] sysfs_create_dir_ns+0x22c/0x24c [ 209.644811][ T6161] kobject_add_internal+0x590/0xc54 [ 209.645596][ T6161] kobject_init_and_add+0x118/0x17c [ 209.646405][ T6161] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.647142][ T6161] gfs2_fill_super+0xdac/0x19e0 [ 209.647905][ T6161] get_tree_bdev+0x358/0x544 [ 209.648590][ T6161] gfs2_get_tree+0x54/0x1b4 [ 209.649306][ T6161] vfs_get_tree+0x90/0x274 [ 209.649920][ T6161] do_new_mount+0x228/0x810 [ 209.650549][ T6161] path_mount+0x5b4/0x1000 [ 209.651147][ T6161] __arm64_sys_mount+0x514/0x5e4 [ 209.651937][ T6161] invoke_syscall+0x98/0x2b8 [ 209.652678][ T6161] el0_svc_common+0x138/0x258 [ 209.653396][ T6161] do_el0_svc+0x58/0x14c [ 209.654005][ T6161] el0_svc+0x78/0x1e0 [ 209.654621][ T6161] el0t_64_sync_handler+0xcc/0xe4 [ 209.655336][ T6161] el0t_64_sync+0x1a0/0x1a4 [ 209.656767][ T6161] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.658675][ T6161] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 209.792622][ T6163] loop1: detected capacity change from 0 to 32768 [ 209.884559][ T6163] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 209.885734][ T6163] CPU: 0 PID: 6163 Comm: syz.1.586 Not tainted syzkaller #0 [ 209.886925][ T6163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.888641][ T6163] Call trace: [ 209.889171][ T6163] dump_backtrace+0x0/0x43c [ 209.889903][ T6163] show_stack+0x2c/0x3c [ 209.890514][ T6163] __dump_stack+0x30/0x40 [ 209.891145][ T6163] dump_stack_lvl+0xf8/0x160 [ 209.891781][ T6163] dump_stack+0x1c/0x5c [ 209.892474][ T6163] sysfs_create_dir_ns+0x22c/0x24c [ 209.893261][ T6163] kobject_add_internal+0x590/0xc54 [ 209.894047][ T6163] kobject_init_and_add+0x118/0x17c [ 209.894882][ T6163] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.895607][ T6163] gfs2_fill_super+0xdac/0x19e0 [ 209.896372][ T6163] get_tree_bdev+0x358/0x544 [ 209.897128][ T6163] gfs2_get_tree+0x54/0x1b4 [ 209.897825][ T6163] vfs_get_tree+0x90/0x274 [ 209.898496][ T6163] do_new_mount+0x228/0x810 [ 209.899210][ T6163] path_mount+0x5b4/0x1000 [ 209.899934][ T6163] __arm64_sys_mount+0x514/0x5e4 [ 209.900709][ T6163] invoke_syscall+0x98/0x2b8 [ 209.901385][ T6163] el0_svc_common+0x138/0x258 [ 209.902091][ T6163] do_el0_svc+0x58/0x14c [ 209.902783][ T6163] el0_svc+0x78/0x1e0 [ 209.903427][ T6163] el0t_64_sync_handler+0xcc/0xe4 [ 209.904197][ T6163] el0t_64_sync+0x1a0/0x1a4 [ 209.906378][ T6163] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 209.908475][ T6163] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.039856][ T6165] loop1: detected capacity change from 0 to 32768 [ 210.080056][ T6165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.081163][ T6165] CPU: 0 PID: 6165 Comm: syz.1.587 Not tainted syzkaller #0 [ 210.082184][ T6165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.083653][ T6165] Call trace: [ 210.084093][ T6165] dump_backtrace+0x0/0x43c [ 210.084766][ T6165] show_stack+0x2c/0x3c [ 210.085418][ T6165] __dump_stack+0x30/0x40 [ 210.086018][ T6165] dump_stack_lvl+0xf8/0x160 [ 210.086673][ T6165] dump_stack+0x1c/0x5c [ 210.087284][ T6165] sysfs_create_dir_ns+0x22c/0x24c [ 210.088074][ T6165] kobject_add_internal+0x590/0xc54 [ 210.088841][ T6165] kobject_init_and_add+0x118/0x17c [ 210.089665][ T6165] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.090401][ T6165] gfs2_fill_super+0xdac/0x19e0 [ 210.091156][ T6165] get_tree_bdev+0x358/0x544 [ 210.091876][ T6165] gfs2_get_tree+0x54/0x1b4 [ 210.092552][ T6165] vfs_get_tree+0x90/0x274 [ 210.093247][ T6165] do_new_mount+0x228/0x810 [ 210.093959][ T6165] path_mount+0x5b4/0x1000 [ 210.094739][ T6165] __arm64_sys_mount+0x514/0x5e4 [ 210.095488][ T6165] invoke_syscall+0x98/0x2b8 [ 210.096247][ T6165] el0_svc_common+0x138/0x258 [ 210.097044][ T6165] do_el0_svc+0x58/0x14c [ 210.097722][ T6165] el0_svc+0x78/0x1e0 [ 210.098431][ T6165] el0t_64_sync_handler+0xcc/0xe4 [ 210.099191][ T6165] el0t_64_sync+0x1a0/0x1a4 [ 210.102058][ T6165] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.103983][ T6165] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.272625][ T6167] loop1: detected capacity change from 0 to 32768 [ 210.320224][ T6167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.321443][ T6167] CPU: 0 PID: 6167 Comm: syz.1.588 Not tainted syzkaller #0 [ 210.322472][ T6167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.323893][ T6167] Call trace: [ 210.324392][ T6167] dump_backtrace+0x0/0x43c [ 210.325108][ T6167] show_stack+0x2c/0x3c [ 210.325771][ T6167] __dump_stack+0x30/0x40 [ 210.326456][ T6167] dump_stack_lvl+0xf8/0x160 [ 210.327204][ T6167] dump_stack+0x1c/0x5c [ 210.327984][ T6167] sysfs_create_dir_ns+0x22c/0x24c [ 210.328800][ T6167] kobject_add_internal+0x590/0xc54 [ 210.329598][ T6167] kobject_init_and_add+0x118/0x17c [ 210.330402][ T6167] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.331088][ T6167] gfs2_fill_super+0xdac/0x19e0 [ 210.331917][ T6167] get_tree_bdev+0x358/0x544 [ 210.332634][ T6167] gfs2_get_tree+0x54/0x1b4 [ 210.333263][ T6167] vfs_get_tree+0x90/0x274 [ 210.333958][ T6167] do_new_mount+0x228/0x810 [ 210.334617][ T6167] path_mount+0x5b4/0x1000 [ 210.335249][ T6167] __arm64_sys_mount+0x514/0x5e4 [ 210.335953][ T6167] invoke_syscall+0x98/0x2b8 [ 210.336661][ T6167] el0_svc_common+0x138/0x258 [ 210.337334][ T6167] do_el0_svc+0x58/0x14c [ 210.337905][ T6167] el0_svc+0x78/0x1e0 [ 210.338476][ T6167] el0t_64_sync_handler+0xcc/0xe4 [ 210.339240][ T6167] el0t_64_sync+0x1a0/0x1a4 [ 210.341992][ T6167] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.344260][ T6167] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.479173][ T6169] loop1: detected capacity change from 0 to 32768 [ 210.554769][ T6169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.556037][ T6169] CPU: 0 PID: 6169 Comm: syz.1.589 Not tainted syzkaller #0 [ 210.557199][ T6169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.558749][ T6169] Call trace: [ 210.559276][ T6169] dump_backtrace+0x0/0x43c [ 210.560011][ T6169] show_stack+0x2c/0x3c [ 210.560702][ T6169] __dump_stack+0x30/0x40 [ 210.561411][ T6169] dump_stack_lvl+0xf8/0x160 [ 210.562183][ T6169] dump_stack+0x1c/0x5c [ 210.562882][ T6169] sysfs_create_dir_ns+0x22c/0x24c [ 210.563719][ T6169] kobject_add_internal+0x590/0xc54 [ 210.564492][ T6169] kobject_init_and_add+0x118/0x17c [ 210.565398][ T6169] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.566136][ T6169] gfs2_fill_super+0xdac/0x19e0 [ 210.566878][ T6169] get_tree_bdev+0x358/0x544 [ 210.567536][ T6169] gfs2_get_tree+0x54/0x1b4 [ 210.568220][ T6169] vfs_get_tree+0x90/0x274 [ 210.568968][ T6169] do_new_mount+0x228/0x810 [ 210.569671][ T6169] path_mount+0x5b4/0x1000 [ 210.570324][ T6169] __arm64_sys_mount+0x514/0x5e4 [ 210.571062][ T6169] invoke_syscall+0x98/0x2b8 [ 210.571707][ T6169] el0_svc_common+0x138/0x258 [ 210.572363][ T6169] do_el0_svc+0x58/0x14c [ 210.573049][ T6169] el0_svc+0x78/0x1e0 [ 210.573660][ T6169] el0t_64_sync_handler+0xcc/0xe4 [ 210.574452][ T6169] el0t_64_sync+0x1a0/0x1a4 [ 210.576397][ T6169] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.578408][ T6169] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.721471][ T6171] loop1: detected capacity change from 0 to 32768 [ 210.760123][ T6171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 210.761332][ T6171] CPU: 1 PID: 6171 Comm: syz.1.590 Not tainted syzkaller #0 [ 210.762577][ T6171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.764186][ T6171] Call trace: [ 210.764722][ T6171] dump_backtrace+0x0/0x43c [ 210.765485][ T6171] show_stack+0x2c/0x3c [ 210.766132][ T6171] __dump_stack+0x30/0x40 [ 210.766857][ T6171] dump_stack_lvl+0xf8/0x160 [ 210.767564][ T6171] dump_stack+0x1c/0x5c [ 210.768258][ T6171] sysfs_create_dir_ns+0x22c/0x24c [ 210.769023][ T6171] kobject_add_internal+0x590/0xc54 [ 210.769799][ T6171] kobject_init_and_add+0x118/0x17c [ 210.770623][ T6171] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.771365][ T6171] gfs2_fill_super+0xdac/0x19e0 [ 210.772081][ T6171] get_tree_bdev+0x358/0x544 [ 210.772756][ T6171] gfs2_get_tree+0x54/0x1b4 [ 210.773394][ T6171] vfs_get_tree+0x90/0x274 [ 210.774075][ T6171] do_new_mount+0x228/0x810 [ 210.774729][ T6171] path_mount+0x5b4/0x1000 [ 210.775343][ T6171] __arm64_sys_mount+0x514/0x5e4 [ 210.776056][ T6171] invoke_syscall+0x98/0x2b8 [ 210.776734][ T6171] el0_svc_common+0x138/0x258 [ 210.777381][ T6171] do_el0_svc+0x58/0x14c [ 210.777965][ T6171] el0_svc+0x78/0x1e0 [ 210.778508][ T6171] el0t_64_sync_handler+0xcc/0xe4 [ 210.779233][ T6171] el0t_64_sync+0x1a0/0x1a4 [ 210.781432][ T6171] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 210.783505][ T6171] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 210.913953][ T6173] loop1: detected capacity change from 0 to 32768 [ 211.003015][ T6173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.004250][ T6173] CPU: 0 PID: 6173 Comm: syz.1.591 Not tainted syzkaller #0 [ 211.005417][ T6173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.006807][ T6173] Call trace: [ 211.007254][ T6173] dump_backtrace+0x0/0x43c [ 211.007891][ T6173] show_stack+0x2c/0x3c [ 211.008492][ T6173] __dump_stack+0x30/0x40 [ 211.009117][ T6173] dump_stack_lvl+0xf8/0x160 [ 211.009889][ T6173] dump_stack+0x1c/0x5c [ 211.010537][ T6173] sysfs_create_dir_ns+0x22c/0x24c [ 211.011424][ T6173] kobject_add_internal+0x590/0xc54 [ 211.012206][ T6173] kobject_init_and_add+0x118/0x17c [ 211.012955][ T6173] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.013670][ T6173] gfs2_fill_super+0xdac/0x19e0 [ 211.014395][ T6173] get_tree_bdev+0x358/0x544 [ 211.015132][ T6173] gfs2_get_tree+0x54/0x1b4 [ 211.015878][ T6173] vfs_get_tree+0x90/0x274 [ 211.016495][ T6173] do_new_mount+0x228/0x810 [ 211.017136][ T6173] path_mount+0x5b4/0x1000 [ 211.018113][ T6173] __arm64_sys_mount+0x514/0x5e4 [ 211.018880][ T6173] invoke_syscall+0x98/0x2b8 [ 211.019602][ T6173] el0_svc_common+0x138/0x258 [ 211.020272][ T6173] do_el0_svc+0x58/0x14c [ 211.020865][ T6173] el0_svc+0x78/0x1e0 [ 211.021432][ T6173] el0t_64_sync_handler+0xcc/0xe4 [ 211.022132][ T6173] el0t_64_sync+0x1a0/0x1a4 [ 211.024585][ T6173] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.026509][ T6173] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.158840][ T6175] loop1: detected capacity change from 0 to 32768 [ 211.165414][ T6175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.166479][ T6175] CPU: 1 PID: 6175 Comm: syz.1.592 Not tainted syzkaller #0 [ 211.167696][ T6175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.169299][ T6175] Call trace: [ 211.169865][ T6175] dump_backtrace+0x0/0x43c [ 211.170656][ T6175] show_stack+0x2c/0x3c [ 211.171358][ T6175] __dump_stack+0x30/0x40 [ 211.172093][ T6175] dump_stack_lvl+0xf8/0x160 [ 211.172876][ T6175] dump_stack+0x1c/0x5c [ 211.173548][ T6175] sysfs_create_dir_ns+0x22c/0x24c [ 211.174424][ T6175] kobject_add_internal+0x590/0xc54 [ 211.175252][ T6175] kobject_init_and_add+0x118/0x17c [ 211.176084][ T6175] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.176883][ T6175] gfs2_fill_super+0xdac/0x19e0 [ 211.177689][ T6175] get_tree_bdev+0x358/0x544 [ 211.178399][ T6175] gfs2_get_tree+0x54/0x1b4 [ 211.179077][ T6175] vfs_get_tree+0x90/0x274 [ 211.179721][ T6175] do_new_mount+0x228/0x810 [ 211.180392][ T6175] path_mount+0x5b4/0x1000 [ 211.181094][ T6175] __arm64_sys_mount+0x514/0x5e4 [ 211.181854][ T6175] invoke_syscall+0x98/0x2b8 [ 211.182596][ T6175] el0_svc_common+0x138/0x258 [ 211.183356][ T6175] do_el0_svc+0x58/0x14c [ 211.184113][ T6175] el0_svc+0x78/0x1e0 [ 211.184731][ T6175] el0t_64_sync_handler+0xcc/0xe4 [ 211.185618][ T6175] el0t_64_sync+0x1a0/0x1a4 [ 211.186673][ T6175] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.188646][ T6175] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.318549][ T6177] loop1: detected capacity change from 0 to 32768 [ 211.325549][ T6177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.326694][ T6177] CPU: 1 PID: 6177 Comm: syz.1.593 Not tainted syzkaller #0 [ 211.327679][ T6177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.329170][ T6177] Call trace: [ 211.329667][ T6177] dump_backtrace+0x0/0x43c [ 211.330364][ T6177] show_stack+0x2c/0x3c [ 211.331099][ T6177] __dump_stack+0x30/0x40 [ 211.331784][ T6177] dump_stack_lvl+0xf8/0x160 [ 211.332584][ T6177] dump_stack+0x1c/0x5c [ 211.333241][ T6177] sysfs_create_dir_ns+0x22c/0x24c [ 211.334041][ T6177] kobject_add_internal+0x590/0xc54 [ 211.334851][ T6177] kobject_init_and_add+0x118/0x17c [ 211.335748][ T6177] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.336510][ T6177] gfs2_fill_super+0xdac/0x19e0 [ 211.337260][ T6177] get_tree_bdev+0x358/0x544 [ 211.338043][ T6177] gfs2_get_tree+0x54/0x1b4 [ 211.338770][ T6177] vfs_get_tree+0x90/0x274 [ 211.339483][ T6177] do_new_mount+0x228/0x810 [ 211.340239][ T6177] path_mount+0x5b4/0x1000 [ 211.340908][ T6177] __arm64_sys_mount+0x514/0x5e4 [ 211.341713][ T6177] invoke_syscall+0x98/0x2b8 [ 211.342503][ T6177] el0_svc_common+0x138/0x258 [ 211.343287][ T6177] do_el0_svc+0x58/0x14c [ 211.343982][ T6177] el0_svc+0x78/0x1e0 [ 211.344648][ T6177] el0t_64_sync_handler+0xcc/0xe4 [ 211.345516][ T6177] el0t_64_sync+0x1a0/0x1a4 [ 211.347641][ T6177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.349543][ T6177] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.481048][ T6179] loop1: detected capacity change from 0 to 32768 [ 211.540177][ T6179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.541264][ T6179] CPU: 0 PID: 6179 Comm: syz.1.594 Not tainted syzkaller #0 [ 211.542365][ T6179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.543885][ T6179] Call trace: [ 211.544355][ T6179] dump_backtrace+0x0/0x43c [ 211.545145][ T6179] show_stack+0x2c/0x3c [ 211.545863][ T6179] __dump_stack+0x30/0x40 [ 211.546632][ T6179] dump_stack_lvl+0xf8/0x160 [ 211.547376][ T6179] dump_stack+0x1c/0x5c [ 211.548104][ T6179] sysfs_create_dir_ns+0x22c/0x24c [ 211.548947][ T6179] kobject_add_internal+0x590/0xc54 [ 211.549766][ T6179] kobject_init_and_add+0x118/0x17c [ 211.550616][ T6179] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.551352][ T6179] gfs2_fill_super+0xdac/0x19e0 [ 211.552071][ T6179] get_tree_bdev+0x358/0x544 [ 211.552747][ T6179] gfs2_get_tree+0x54/0x1b4 [ 211.553432][ T6179] vfs_get_tree+0x90/0x274 [ 211.554104][ T6179] do_new_mount+0x228/0x810 [ 211.554752][ T6179] path_mount+0x5b4/0x1000 [ 211.555382][ T6179] __arm64_sys_mount+0x514/0x5e4 [ 211.556216][ T6179] invoke_syscall+0x98/0x2b8 [ 211.557005][ T6179] el0_svc_common+0x138/0x258 [ 211.557736][ T6179] do_el0_svc+0x58/0x14c [ 211.558339][ T6179] el0_svc+0x78/0x1e0 [ 211.558908][ T6179] el0t_64_sync_handler+0xcc/0xe4 [ 211.559605][ T6179] el0t_64_sync+0x1a0/0x1a4 [ 211.560526][ T6179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.562545][ T6179] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.717250][ T6181] loop1: detected capacity change from 0 to 32768 [ 211.801528][ T6181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.802774][ T6181] CPU: 0 PID: 6181 Comm: syz.1.595 Not tainted syzkaller #0 [ 211.803816][ T6181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.805157][ T6181] Call trace: [ 211.805586][ T6181] dump_backtrace+0x0/0x43c [ 211.806215][ T6181] show_stack+0x2c/0x3c [ 211.806866][ T6181] __dump_stack+0x30/0x40 [ 211.807515][ T6181] dump_stack_lvl+0xf8/0x160 [ 211.808227][ T6181] dump_stack+0x1c/0x5c [ 211.808903][ T6181] sysfs_create_dir_ns+0x22c/0x24c [ 211.809720][ T6181] kobject_add_internal+0x590/0xc54 [ 211.810483][ T6181] kobject_init_and_add+0x118/0x17c [ 211.811184][ T6181] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.811920][ T6181] gfs2_fill_super+0xdac/0x19e0 [ 211.812591][ T6181] get_tree_bdev+0x358/0x544 [ 211.813257][ T6181] gfs2_get_tree+0x54/0x1b4 [ 211.813862][ T6181] vfs_get_tree+0x90/0x274 [ 211.814562][ T6181] do_new_mount+0x228/0x810 [ 211.815322][ T6181] path_mount+0x5b4/0x1000 [ 211.816011][ T6181] __arm64_sys_mount+0x514/0x5e4 [ 211.816797][ T6181] invoke_syscall+0x98/0x2b8 [ 211.817478][ T6181] el0_svc_common+0x138/0x258 [ 211.818204][ T6181] do_el0_svc+0x58/0x14c [ 211.818845][ T6181] el0_svc+0x78/0x1e0 [ 211.819414][ T6181] el0t_64_sync_handler+0xcc/0xe4 [ 211.820101][ T6181] el0t_64_sync+0x1a0/0x1a4 [ 211.823178][ T6181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.825181][ T6181] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 211.958229][ T6183] loop1: detected capacity change from 0 to 32768 [ 211.965442][ T6183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 211.966583][ T6183] CPU: 1 PID: 6183 Comm: syz.1.596 Not tainted syzkaller #0 [ 211.967832][ T6183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.969464][ T6183] Call trace: [ 211.969924][ T6183] dump_backtrace+0x0/0x43c [ 211.970649][ T6183] show_stack+0x2c/0x3c [ 211.971256][ T6183] __dump_stack+0x30/0x40 [ 211.971864][ T6183] dump_stack_lvl+0xf8/0x160 [ 211.972584][ T6183] dump_stack+0x1c/0x5c [ 211.973163][ T6183] sysfs_create_dir_ns+0x22c/0x24c [ 211.973888][ T6183] kobject_add_internal+0x590/0xc54 [ 211.974630][ T6183] kobject_init_and_add+0x118/0x17c [ 211.975400][ T6183] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.976127][ T6183] gfs2_fill_super+0xdac/0x19e0 [ 211.976818][ T6183] get_tree_bdev+0x358/0x544 [ 211.977558][ T6183] gfs2_get_tree+0x54/0x1b4 [ 211.978295][ T6183] vfs_get_tree+0x90/0x274 [ 211.979077][ T6183] do_new_mount+0x228/0x810 [ 211.979801][ T6183] path_mount+0x5b4/0x1000 [ 211.980531][ T6183] __arm64_sys_mount+0x514/0x5e4 [ 211.981299][ T6183] invoke_syscall+0x98/0x2b8 [ 211.982049][ T6183] el0_svc_common+0x138/0x258 [ 211.982804][ T6183] do_el0_svc+0x58/0x14c [ 211.983465][ T6183] el0_svc+0x78/0x1e0 [ 211.984058][ T6183] el0t_64_sync_handler+0xcc/0xe4 [ 211.984858][ T6183] el0t_64_sync+0x1a0/0x1a4 [ 211.985756][ T6183] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 211.988041][ T6183] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.115002][ T6185] loop1: detected capacity change from 0 to 32768 [ 212.153938][ T6185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.155108][ T6185] CPU: 1 PID: 6185 Comm: syz.1.597 Not tainted syzkaller #0 [ 212.156174][ T6185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.157646][ T6185] Call trace: [ 212.158106][ T6185] dump_backtrace+0x0/0x43c [ 212.158782][ T6185] show_stack+0x2c/0x3c [ 212.159506][ T6185] __dump_stack+0x30/0x40 [ 212.160276][ T6185] dump_stack_lvl+0xf8/0x160 [ 212.161021][ T6185] dump_stack+0x1c/0x5c [ 212.161727][ T6185] sysfs_create_dir_ns+0x22c/0x24c [ 212.162605][ T6185] kobject_add_internal+0x590/0xc54 [ 212.163401][ T6185] kobject_init_and_add+0x118/0x17c [ 212.164207][ T6185] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.164936][ T6185] gfs2_fill_super+0xdac/0x19e0 [ 212.165774][ T6185] get_tree_bdev+0x358/0x544 [ 212.166456][ T6185] gfs2_get_tree+0x54/0x1b4 [ 212.167179][ T6185] vfs_get_tree+0x90/0x274 [ 212.167939][ T6185] do_new_mount+0x228/0x810 [ 212.168646][ T6185] path_mount+0x5b4/0x1000 [ 212.169327][ T6185] __arm64_sys_mount+0x514/0x5e4 [ 212.170097][ T6185] invoke_syscall+0x98/0x2b8 [ 212.170911][ T6185] el0_svc_common+0x138/0x258 [ 212.171747][ T6185] do_el0_svc+0x58/0x14c [ 212.172459][ T6185] el0_svc+0x78/0x1e0 [ 212.173084][ T6185] el0t_64_sync_handler+0xcc/0xe4 [ 212.173847][ T6185] el0t_64_sync+0x1a0/0x1a4 [ 212.175959][ T6185] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.177803][ T6185] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.315771][ T6187] loop1: detected capacity change from 0 to 32768 [ 212.323877][ T6187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.325094][ T6187] CPU: 1 PID: 6187 Comm: syz.1.598 Not tainted syzkaller #0 [ 212.326259][ T6187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.327963][ T6187] Call trace: [ 212.328517][ T6187] dump_backtrace+0x0/0x43c [ 212.329274][ T6187] show_stack+0x2c/0x3c [ 212.329982][ T6187] __dump_stack+0x30/0x40 [ 212.330660][ T6187] dump_stack_lvl+0xf8/0x160 [ 212.331431][ T6187] dump_stack+0x1c/0x5c [ 212.332145][ T6187] sysfs_create_dir_ns+0x22c/0x24c [ 212.333029][ T6187] kobject_add_internal+0x590/0xc54 [ 212.333872][ T6187] kobject_init_and_add+0x118/0x17c [ 212.334702][ T6187] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.335460][ T6187] gfs2_fill_super+0xdac/0x19e0 [ 212.336223][ T6187] get_tree_bdev+0x358/0x544 [ 212.336924][ T6187] gfs2_get_tree+0x54/0x1b4 [ 212.337681][ T6187] vfs_get_tree+0x90/0x274 [ 212.338401][ T6187] do_new_mount+0x228/0x810 [ 212.339103][ T6187] path_mount+0x5b4/0x1000 [ 212.339787][ T6187] __arm64_sys_mount+0x514/0x5e4 [ 212.340520][ T6187] invoke_syscall+0x98/0x2b8 [ 212.341180][ T6187] el0_svc_common+0x138/0x258 [ 212.341983][ T6187] do_el0_svc+0x58/0x14c [ 212.342610][ T6187] el0_svc+0x78/0x1e0 [ 212.343259][ T6187] el0t_64_sync_handler+0xcc/0xe4 [ 212.344044][ T6187] el0t_64_sync+0x1a0/0x1a4 [ 212.346632][ T6187] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.348643][ T6187] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.479340][ T6189] loop1: detected capacity change from 0 to 32768 [ 212.535092][ T6189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.536256][ T6189] CPU: 1 PID: 6189 Comm: syz.1.599 Not tainted syzkaller #0 [ 212.537355][ T6189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.538863][ T6189] Call trace: [ 212.539346][ T6189] dump_backtrace+0x0/0x43c [ 212.540111][ T6189] show_stack+0x2c/0x3c [ 212.540756][ T6189] __dump_stack+0x30/0x40 [ 212.541502][ T6189] dump_stack_lvl+0xf8/0x160 [ 212.542247][ T6189] dump_stack+0x1c/0x5c [ 212.542920][ T6189] sysfs_create_dir_ns+0x22c/0x24c [ 212.543703][ T6189] kobject_add_internal+0x590/0xc54 [ 212.544594][ T6189] kobject_init_and_add+0x118/0x17c [ 212.545473][ T6189] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.546256][ T6189] gfs2_fill_super+0xdac/0x19e0 [ 212.546989][ T6189] get_tree_bdev+0x358/0x544 [ 212.547683][ T6189] gfs2_get_tree+0x54/0x1b4 [ 212.548355][ T6189] vfs_get_tree+0x90/0x274 [ 212.549156][ T6189] do_new_mount+0x228/0x810 [ 212.549775][ T6189] path_mount+0x5b4/0x1000 [ 212.550398][ T6189] __arm64_sys_mount+0x514/0x5e4 [ 212.551125][ T6189] invoke_syscall+0x98/0x2b8 [ 212.551954][ T6189] el0_svc_common+0x138/0x258 [ 212.552776][ T6189] do_el0_svc+0x58/0x14c [ 212.553519][ T6189] el0_svc+0x78/0x1e0 [ 212.554161][ T6189] el0t_64_sync_handler+0xcc/0xe4 [ 212.554928][ T6189] el0t_64_sync+0x1a0/0x1a4 [ 212.557076][ T6189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.560182][ T6189] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 212.692884][ T6191] loop1: detected capacity change from 0 to 32768 [ 212.740178][ T6191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.741454][ T6191] CPU: 1 PID: 6191 Comm: syz.1.600 Not tainted syzkaller #0 [ 212.742473][ T6191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.743976][ T6191] Call trace: [ 212.744444][ T6191] dump_backtrace+0x0/0x43c [ 212.745062][ T6191] show_stack+0x2c/0x3c [ 212.745728][ T6191] __dump_stack+0x30/0x40 [ 212.746437][ T6191] dump_stack_lvl+0xf8/0x160 [ 212.747209][ T6191] dump_stack+0x1c/0x5c [ 212.747850][ T6191] sysfs_create_dir_ns+0x22c/0x24c [ 212.748593][ T6191] kobject_add_internal+0x590/0xc54 [ 212.749431][ T6191] kobject_init_and_add+0x118/0x17c [ 212.750230][ T6191] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.751041][ T6191] gfs2_fill_super+0xdac/0x19e0 [ 212.751880][ T6191] get_tree_bdev+0x358/0x544 [ 212.752607][ T6191] gfs2_get_tree+0x54/0x1b4 [ 212.753278][ T6191] vfs_get_tree+0x90/0x274 [ 212.753924][ T6191] do_new_mount+0x228/0x810 [ 212.754724][ T6191] path_mount+0x5b4/0x1000 [ 212.755496][ T6191] __arm64_sys_mount+0x514/0x5e4 [ 212.756307][ T6191] invoke_syscall+0x98/0x2b8 [ 212.757019][ T6191] el0_svc_common+0x138/0x258 [ 212.757840][ T6191] do_el0_svc+0x58/0x14c [ 212.758552][ T6191] el0_svc+0x78/0x1e0 [ 212.759200][ T6191] el0t_64_sync_handler+0xcc/0xe4 [ 212.760015][ T6191] el0t_64_sync+0x1a0/0x1a4 [ 212.762515][ T6191] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.764711][ T6191] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:32 executed programs: 587 [ 212.898064][ T6193] loop1: detected capacity change from 0 to 32768 [ 212.940062][ T6193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 212.941212][ T6193] CPU: 0 PID: 6193 Comm: syz.1.601 Not tainted syzkaller #0 [ 212.942311][ T6193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.943706][ T6193] Call trace: [ 212.944161][ T6193] dump_backtrace+0x0/0x43c [ 212.944788][ T6193] show_stack+0x2c/0x3c [ 212.945369][ T6193] __dump_stack+0x30/0x40 [ 212.946007][ T6193] dump_stack_lvl+0xf8/0x160 [ 212.946662][ T6193] dump_stack+0x1c/0x5c [ 212.947224][ T6193] sysfs_create_dir_ns+0x22c/0x24c [ 212.948031][ T6193] kobject_add_internal+0x590/0xc54 [ 212.948794][ T6193] kobject_init_and_add+0x118/0x17c [ 212.949589][ T6193] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.950373][ T6193] gfs2_fill_super+0xdac/0x19e0 [ 212.951185][ T6193] get_tree_bdev+0x358/0x544 [ 212.951895][ T6193] gfs2_get_tree+0x54/0x1b4 [ 212.952541][ T6193] vfs_get_tree+0x90/0x274 [ 212.953166][ T6193] do_new_mount+0x228/0x810 [ 212.953809][ T6193] path_mount+0x5b4/0x1000 [ 212.954484][ T6193] __arm64_sys_mount+0x514/0x5e4 [ 212.955190][ T6193] invoke_syscall+0x98/0x2b8 [ 212.955914][ T6193] el0_svc_common+0x138/0x258 [ 212.956654][ T6193] do_el0_svc+0x58/0x14c [ 212.957335][ T6193] el0_svc+0x78/0x1e0 [ 212.958009][ T6193] el0t_64_sync_handler+0xcc/0xe4 [ 212.958843][ T6193] el0t_64_sync+0x1a0/0x1a4 [ 212.961011][ T6193] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 212.962986][ T6193] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.099495][ T6195] loop1: detected capacity change from 0 to 32768 [ 213.143003][ T6195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.144216][ T6195] CPU: 0 PID: 6195 Comm: syz.1.602 Not tainted syzkaller #0 [ 213.145373][ T6195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.147055][ T6195] Call trace: [ 213.147557][ T6195] dump_backtrace+0x0/0x43c [ 213.148400][ T6195] show_stack+0x2c/0x3c [ 213.149065][ T6195] __dump_stack+0x30/0x40 [ 213.149734][ T6195] dump_stack_lvl+0xf8/0x160 [ 213.150431][ T6195] dump_stack+0x1c/0x5c [ 213.151167][ T6195] sysfs_create_dir_ns+0x22c/0x24c [ 213.152049][ T6195] kobject_add_internal+0x590/0xc54 [ 213.152936][ T6195] kobject_init_and_add+0x118/0x17c [ 213.153790][ T6195] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.154577][ T6195] gfs2_fill_super+0xdac/0x19e0 [ 213.155311][ T6195] get_tree_bdev+0x358/0x544 [ 213.156004][ T6195] gfs2_get_tree+0x54/0x1b4 [ 213.156697][ T6195] vfs_get_tree+0x90/0x274 [ 213.157399][ T6195] do_new_mount+0x228/0x810 [ 213.158057][ T6195] path_mount+0x5b4/0x1000 [ 213.158751][ T6195] __arm64_sys_mount+0x514/0x5e4 [ 213.159572][ T6195] invoke_syscall+0x98/0x2b8 [ 213.160376][ T6195] el0_svc_common+0x138/0x258 [ 213.161200][ T6195] do_el0_svc+0x58/0x14c [ 213.161937][ T6195] el0_svc+0x78/0x1e0 [ 213.162613][ T6195] el0t_64_sync_handler+0xcc/0xe4 [ 213.163446][ T6195] el0t_64_sync+0x1a0/0x1a4 [ 213.165716][ T6195] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.167791][ T6195] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.298751][ T6197] loop1: detected capacity change from 0 to 32768 [ 213.352945][ T6197] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.354225][ T6197] CPU: 0 PID: 6197 Comm: syz.1.603 Not tainted syzkaller #0 [ 213.355331][ T6197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.356911][ T6197] Call trace: [ 213.357411][ T6197] dump_backtrace+0x0/0x43c [ 213.358112][ T6197] show_stack+0x2c/0x3c [ 213.358744][ T6197] __dump_stack+0x30/0x40 [ 213.359403][ T6197] dump_stack_lvl+0xf8/0x160 [ 213.360124][ T6197] dump_stack+0x1c/0x5c [ 213.360775][ T6197] sysfs_create_dir_ns+0x22c/0x24c [ 213.361562][ T6197] kobject_add_internal+0x590/0xc54 [ 213.362376][ T6197] kobject_init_and_add+0x118/0x17c [ 213.363139][ T6197] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.363845][ T6197] gfs2_fill_super+0xdac/0x19e0 [ 213.364577][ T6197] get_tree_bdev+0x358/0x544 [ 213.365240][ T6197] gfs2_get_tree+0x54/0x1b4 [ 213.365903][ T6197] vfs_get_tree+0x90/0x274 [ 213.366610][ T6197] do_new_mount+0x228/0x810 [ 213.367285][ T6197] path_mount+0x5b4/0x1000 [ 213.367966][ T6197] __arm64_sys_mount+0x514/0x5e4 [ 213.368684][ T6197] invoke_syscall+0x98/0x2b8 [ 213.369315][ T6197] el0_svc_common+0x138/0x258 [ 213.369979][ T6197] do_el0_svc+0x58/0x14c [ 213.370690][ T6197] el0_svc+0x78/0x1e0 [ 213.371372][ T6197] el0t_64_sync_handler+0xcc/0xe4 [ 213.372166][ T6197] el0t_64_sync+0x1a0/0x1a4 [ 213.374306][ T6197] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.376227][ T6197] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.505729][ T6199] loop1: detected capacity change from 0 to 32768 [ 213.540060][ T6199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.541349][ T6199] CPU: 1 PID: 6199 Comm: syz.1.604 Not tainted syzkaller #0 [ 213.542432][ T6199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.543853][ T6199] Call trace: [ 213.544305][ T6199] dump_backtrace+0x0/0x43c [ 213.544953][ T6199] show_stack+0x2c/0x3c [ 213.545555][ T6199] __dump_stack+0x30/0x40 [ 213.546187][ T6199] dump_stack_lvl+0xf8/0x160 [ 213.546836][ T6199] dump_stack+0x1c/0x5c [ 213.547427][ T6199] sysfs_create_dir_ns+0x22c/0x24c [ 213.548157][ T6199] kobject_add_internal+0x590/0xc54 [ 213.548984][ T6199] kobject_init_and_add+0x118/0x17c [ 213.549792][ T6199] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.550573][ T6199] gfs2_fill_super+0xdac/0x19e0 [ 213.551350][ T6199] get_tree_bdev+0x358/0x544 [ 213.552047][ T6199] gfs2_get_tree+0x54/0x1b4 [ 213.552824][ T6199] vfs_get_tree+0x90/0x274 [ 213.553568][ T6199] do_new_mount+0x228/0x810 [ 213.554341][ T6199] path_mount+0x5b4/0x1000 [ 213.555022][ T6199] __arm64_sys_mount+0x514/0x5e4 [ 213.555882][ T6199] invoke_syscall+0x98/0x2b8 [ 213.556639][ T6199] el0_svc_common+0x138/0x258 [ 213.557342][ T6199] do_el0_svc+0x58/0x14c [ 213.558084][ T6199] el0_svc+0x78/0x1e0 [ 213.558772][ T6199] el0t_64_sync_handler+0xcc/0xe4 [ 213.559605][ T6199] el0t_64_sync+0x1a0/0x1a4 [ 213.560586][ T6199] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.562684][ T6199] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.754597][ T6201] loop1: detected capacity change from 0 to 32768 [ 213.794505][ T6201] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.795666][ T6201] CPU: 1 PID: 6201 Comm: syz.1.605 Not tainted syzkaller #0 [ 213.796761][ T6201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.798309][ T6201] Call trace: [ 213.798824][ T6201] dump_backtrace+0x0/0x43c [ 213.799484][ T6201] show_stack+0x2c/0x3c [ 213.800100][ T6201] __dump_stack+0x30/0x40 [ 213.800747][ T6201] dump_stack_lvl+0xf8/0x160 [ 213.801419][ T6201] dump_stack+0x1c/0x5c [ 213.802002][ T6201] sysfs_create_dir_ns+0x22c/0x24c [ 213.802773][ T6201] kobject_add_internal+0x590/0xc54 [ 213.803536][ T6201] kobject_init_and_add+0x118/0x17c [ 213.804377][ T6201] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.805199][ T6201] gfs2_fill_super+0xdac/0x19e0 [ 213.806005][ T6201] get_tree_bdev+0x358/0x544 [ 213.806740][ T6201] gfs2_get_tree+0x54/0x1b4 [ 213.807476][ T6201] vfs_get_tree+0x90/0x274 [ 213.808182][ T6201] do_new_mount+0x228/0x810 [ 213.808886][ T6201] path_mount+0x5b4/0x1000 [ 213.809540][ T6201] __arm64_sys_mount+0x514/0x5e4 [ 213.810235][ T6201] invoke_syscall+0x98/0x2b8 [ 213.810995][ T6201] el0_svc_common+0x138/0x258 [ 213.811747][ T6201] do_el0_svc+0x58/0x14c [ 213.812504][ T6201] el0_svc+0x78/0x1e0 [ 213.813191][ T6201] el0t_64_sync_handler+0xcc/0xe4 [ 213.814009][ T6201] el0t_64_sync+0x1a0/0x1a4 [ 213.814908][ T6201] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.817056][ T6201] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 213.950032][ T6203] loop1: detected capacity change from 0 to 32768 [ 213.957886][ T6203] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 213.959898][ T6203] CPU: 0 PID: 6203 Comm: syz.1.606 Not tainted syzkaller #0 [ 213.961038][ T6203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.962648][ T6203] Call trace: [ 213.963202][ T6203] dump_backtrace+0x0/0x43c [ 213.963989][ T6203] show_stack+0x2c/0x3c [ 213.964698][ T6203] __dump_stack+0x30/0x40 [ 213.965359][ T6203] dump_stack_lvl+0xf8/0x160 [ 213.966108][ T6203] dump_stack+0x1c/0x5c [ 213.966720][ T6203] sysfs_create_dir_ns+0x22c/0x24c [ 213.967425][ T6203] kobject_add_internal+0x590/0xc54 [ 213.968176][ T6203] kobject_init_and_add+0x118/0x17c [ 213.969056][ T6203] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.969844][ T6203] gfs2_fill_super+0xdac/0x19e0 [ 213.970628][ T6203] get_tree_bdev+0x358/0x544 [ 213.971304][ T6203] gfs2_get_tree+0x54/0x1b4 [ 213.972030][ T6203] vfs_get_tree+0x90/0x274 [ 213.972781][ T6203] do_new_mount+0x228/0x810 [ 213.973508][ T6203] path_mount+0x5b4/0x1000 [ 213.974203][ T6203] __arm64_sys_mount+0x514/0x5e4 [ 213.974934][ T6203] invoke_syscall+0x98/0x2b8 [ 213.975683][ T6203] el0_svc_common+0x138/0x258 [ 213.976420][ T6203] do_el0_svc+0x58/0x14c [ 213.977063][ T6203] el0_svc+0x78/0x1e0 [ 213.977664][ T6203] el0t_64_sync_handler+0xcc/0xe4 [ 213.978421][ T6203] el0t_64_sync+0x1a0/0x1a4 [ 213.980379][ T6203] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 213.982314][ T6203] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.114074][ T6205] loop1: detected capacity change from 0 to 32768 [ 214.121606][ T6205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.122720][ T6205] CPU: 1 PID: 6205 Comm: syz.1.607 Not tainted syzkaller #0 [ 214.123752][ T6205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.125374][ T6205] Call trace: [ 214.125846][ T6205] dump_backtrace+0x0/0x43c [ 214.126478][ T6205] show_stack+0x2c/0x3c [ 214.127123][ T6205] __dump_stack+0x30/0x40 [ 214.127783][ T6205] dump_stack_lvl+0xf8/0x160 [ 214.128467][ T6205] dump_stack+0x1c/0x5c [ 214.129106][ T6205] sysfs_create_dir_ns+0x22c/0x24c [ 214.129875][ T6205] kobject_add_internal+0x590/0xc54 [ 214.130692][ T6205] kobject_init_and_add+0x118/0x17c [ 214.131547][ T6205] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.132305][ T6205] gfs2_fill_super+0xdac/0x19e0 [ 214.133049][ T6205] get_tree_bdev+0x358/0x544 [ 214.133772][ T6205] gfs2_get_tree+0x54/0x1b4 [ 214.134462][ T6205] vfs_get_tree+0x90/0x274 [ 214.135252][ T6205] do_new_mount+0x228/0x810 [ 214.136014][ T6205] path_mount+0x5b4/0x1000 [ 214.136765][ T6205] __arm64_sys_mount+0x514/0x5e4 [ 214.137549][ T6205] invoke_syscall+0x98/0x2b8 [ 214.138288][ T6205] el0_svc_common+0x138/0x258 [ 214.139043][ T6205] do_el0_svc+0x58/0x14c [ 214.139722][ T6205] el0_svc+0x78/0x1e0 [ 214.140370][ T6205] el0t_64_sync_handler+0xcc/0xe4 [ 214.141187][ T6205] el0t_64_sync+0x1a0/0x1a4 [ 214.142182][ T6205] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.144159][ T6205] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.281215][ T6207] loop1: detected capacity change from 0 to 32768 [ 214.289790][ T6207] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.290953][ T6207] CPU: 0 PID: 6207 Comm: syz.1.608 Not tainted syzkaller #0 [ 214.291946][ T6207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.293484][ T6207] Call trace: [ 214.293993][ T6207] dump_backtrace+0x0/0x43c [ 214.294655][ T6207] show_stack+0x2c/0x3c [ 214.295221][ T6207] __dump_stack+0x30/0x40 [ 214.295844][ T6207] dump_stack_lvl+0xf8/0x160 [ 214.296502][ T6207] dump_stack+0x1c/0x5c [ 214.297090][ T6207] sysfs_create_dir_ns+0x22c/0x24c [ 214.297829][ T6207] kobject_add_internal+0x590/0xc54 [ 214.298608][ T6207] kobject_init_and_add+0x118/0x17c [ 214.299361][ T6207] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.300043][ T6207] gfs2_fill_super+0xdac/0x19e0 [ 214.300759][ T6207] get_tree_bdev+0x358/0x544 [ 214.301529][ T6207] gfs2_get_tree+0x54/0x1b4 [ 214.302291][ T6207] vfs_get_tree+0x90/0x274 [ 214.303044][ T6207] do_new_mount+0x228/0x810 [ 214.303777][ T6207] path_mount+0x5b4/0x1000 [ 214.304494][ T6207] __arm64_sys_mount+0x514/0x5e4 [ 214.305263][ T6207] invoke_syscall+0x98/0x2b8 [ 214.305919][ T6207] el0_svc_common+0x138/0x258 [ 214.306605][ T6207] do_el0_svc+0x58/0x14c [ 214.307226][ T6207] el0_svc+0x78/0x1e0 [ 214.307787][ T6207] el0t_64_sync_handler+0xcc/0xe4 [ 214.308504][ T6207] el0t_64_sync+0x1a0/0x1a4 [ 214.310590][ T6207] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.312414][ T6207] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.441366][ T6209] loop1: detected capacity change from 0 to 32768 [ 214.448629][ T6209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.449914][ T6209] CPU: 1 PID: 6209 Comm: syz.1.609 Not tainted syzkaller #0 [ 214.451022][ T6209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.452660][ T6209] Call trace: [ 214.453148][ T6209] dump_backtrace+0x0/0x43c [ 214.453835][ T6209] show_stack+0x2c/0x3c [ 214.454475][ T6209] __dump_stack+0x30/0x40 [ 214.455193][ T6209] dump_stack_lvl+0xf8/0x160 [ 214.455902][ T6209] dump_stack+0x1c/0x5c [ 214.456627][ T6209] sysfs_create_dir_ns+0x22c/0x24c [ 214.457459][ T6209] kobject_add_internal+0x590/0xc54 [ 214.458336][ T6209] kobject_init_and_add+0x118/0x17c [ 214.459192][ T6209] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.459951][ T6209] gfs2_fill_super+0xdac/0x19e0 [ 214.460640][ T6209] get_tree_bdev+0x358/0x544 [ 214.461303][ T6209] gfs2_get_tree+0x54/0x1b4 [ 214.462050][ T6209] vfs_get_tree+0x90/0x274 [ 214.462780][ T6209] do_new_mount+0x228/0x810 [ 214.463461][ T6209] path_mount+0x5b4/0x1000 [ 214.464147][ T6209] __arm64_sys_mount+0x514/0x5e4 [ 214.464948][ T6209] invoke_syscall+0x98/0x2b8 [ 214.465654][ T6209] el0_svc_common+0x138/0x258 [ 214.466365][ T6209] do_el0_svc+0x58/0x14c [ 214.467012][ T6209] el0_svc+0x78/0x1e0 [ 214.467592][ T6209] el0t_64_sync_handler+0xcc/0xe4 [ 214.468335][ T6209] el0t_64_sync+0x1a0/0x1a4 [ 214.469113][ T6209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.470989][ T6209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.597986][ T6211] loop1: detected capacity change from 0 to 32768 [ 214.601888][ T6211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.603071][ T6211] CPU: 1 PID: 6211 Comm: syz.1.610 Not tainted syzkaller #0 [ 214.604050][ T6211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.605758][ T6211] Call trace: [ 214.606362][ T6211] dump_backtrace+0x0/0x43c [ 214.607111][ T6211] show_stack+0x2c/0x3c [ 214.607717][ T6211] __dump_stack+0x30/0x40 [ 214.608394][ T6211] dump_stack_lvl+0xf8/0x160 [ 214.609172][ T6211] dump_stack+0x1c/0x5c [ 214.609858][ T6211] sysfs_create_dir_ns+0x22c/0x24c [ 214.610746][ T6211] kobject_add_internal+0x590/0xc54 [ 214.611648][ T6211] kobject_init_and_add+0x118/0x17c [ 214.612511][ T6211] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.613320][ T6211] gfs2_fill_super+0xdac/0x19e0 [ 214.614127][ T6211] get_tree_bdev+0x358/0x544 [ 214.614880][ T6211] gfs2_get_tree+0x54/0x1b4 [ 214.615579][ T6211] vfs_get_tree+0x90/0x274 [ 214.616280][ T6211] do_new_mount+0x228/0x810 [ 214.616979][ T6211] path_mount+0x5b4/0x1000 [ 214.617667][ T6211] __arm64_sys_mount+0x514/0x5e4 [ 214.618471][ T6211] invoke_syscall+0x98/0x2b8 [ 214.619197][ T6211] el0_svc_common+0x138/0x258 [ 214.619970][ T6211] do_el0_svc+0x58/0x14c [ 214.620655][ T6211] el0_svc+0x78/0x1e0 [ 214.621415][ T6211] el0t_64_sync_handler+0xcc/0xe4 [ 214.622265][ T6211] el0t_64_sync+0x1a0/0x1a4 [ 214.623124][ T6211] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.625217][ T6211] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 214.856801][ T6213] loop1: detected capacity change from 0 to 32768 [ 214.911212][ T6213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 214.915838][ T6213] CPU: 1 PID: 6213 Comm: syz.1.611 Not tainted syzkaller #0 [ 214.917041][ T6213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.918580][ T6213] Call trace: [ 214.919075][ T6213] dump_backtrace+0x0/0x43c [ 214.919754][ T6213] show_stack+0x2c/0x3c [ 214.920400][ T6213] __dump_stack+0x30/0x40 [ 214.921070][ T6213] dump_stack_lvl+0xf8/0x160 [ 214.921769][ T6213] dump_stack+0x1c/0x5c [ 214.922425][ T6213] sysfs_create_dir_ns+0x22c/0x24c [ 214.923260][ T6213] kobject_add_internal+0x590/0xc54 [ 214.924135][ T6213] kobject_init_and_add+0x118/0x17c [ 214.924986][ T6213] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.925745][ T6213] gfs2_fill_super+0xdac/0x19e0 [ 214.926495][ T6213] get_tree_bdev+0x358/0x544 [ 214.927261][ T6213] gfs2_get_tree+0x54/0x1b4 [ 214.927971][ T6213] vfs_get_tree+0x90/0x274 [ 214.928715][ T6213] do_new_mount+0x228/0x810 [ 214.929426][ T6213] path_mount+0x5b4/0x1000 [ 214.930158][ T6213] __arm64_sys_mount+0x514/0x5e4 [ 214.930975][ T6213] invoke_syscall+0x98/0x2b8 [ 214.931705][ T6213] el0_svc_common+0x138/0x258 [ 214.932512][ T6213] do_el0_svc+0x58/0x14c [ 214.933265][ T6213] el0_svc+0x78/0x1e0 [ 214.933913][ T6213] el0t_64_sync_handler+0xcc/0xe4 [ 214.934803][ T6213] el0t_64_sync+0x1a0/0x1a4 [ 214.937023][ T6213] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 214.939110][ T6213] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.048876][ T4182] Bluetooth: hci0: command 0x0406 tx timeout [ 215.092260][ T6215] loop1: detected capacity change from 0 to 32768 [ 215.140245][ T6215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.141516][ T6215] CPU: 1 PID: 6215 Comm: syz.1.612 Not tainted syzkaller #0 [ 215.142715][ T6215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.144408][ T6215] Call trace: [ 215.144932][ T6215] dump_backtrace+0x0/0x43c [ 215.145703][ T6215] show_stack+0x2c/0x3c [ 215.146444][ T6215] __dump_stack+0x30/0x40 [ 215.147199][ T6215] dump_stack_lvl+0xf8/0x160 [ 215.147931][ T6215] dump_stack+0x1c/0x5c [ 215.148598][ T6215] sysfs_create_dir_ns+0x22c/0x24c [ 215.149438][ T6215] kobject_add_internal+0x590/0xc54 [ 215.150341][ T6215] kobject_init_and_add+0x118/0x17c [ 215.151244][ T6215] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.152047][ T6215] gfs2_fill_super+0xdac/0x19e0 [ 215.152807][ T6215] get_tree_bdev+0x358/0x544 [ 215.153524][ T6215] gfs2_get_tree+0x54/0x1b4 [ 215.154224][ T6215] vfs_get_tree+0x90/0x274 [ 215.154866][ T6215] do_new_mount+0x228/0x810 [ 215.155600][ T6215] path_mount+0x5b4/0x1000 [ 215.156298][ T6215] __arm64_sys_mount+0x514/0x5e4 [ 215.157023][ T6215] invoke_syscall+0x98/0x2b8 [ 215.157714][ T6215] el0_svc_common+0x138/0x258 [ 215.158449][ T6215] do_el0_svc+0x58/0x14c [ 215.159119][ T6215] el0_svc+0x78/0x1e0 [ 215.159742][ T6215] el0t_64_sync_handler+0xcc/0xe4 [ 215.160525][ T6215] el0t_64_sync+0x1a0/0x1a4 [ 215.162853][ T6215] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.164942][ T6215] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.300226][ T6217] loop1: detected capacity change from 0 to 32768 [ 215.340125][ T6217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.341340][ T6217] CPU: 1 PID: 6217 Comm: syz.1.613 Not tainted syzkaller #0 [ 215.342462][ T6217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.343898][ T6217] Call trace: [ 215.344387][ T6217] dump_backtrace+0x0/0x43c [ 215.345098][ T6217] show_stack+0x2c/0x3c [ 215.345721][ T6217] __dump_stack+0x30/0x40 [ 215.346475][ T6217] dump_stack_lvl+0xf8/0x160 [ 215.347280][ T6217] dump_stack+0x1c/0x5c [ 215.347880][ T6217] sysfs_create_dir_ns+0x22c/0x24c [ 215.348731][ T6217] kobject_add_internal+0x590/0xc54 [ 215.349571][ T6217] kobject_init_and_add+0x118/0x17c [ 215.350406][ T6217] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.351238][ T6217] gfs2_fill_super+0xdac/0x19e0 [ 215.352105][ T6217] get_tree_bdev+0x358/0x544 [ 215.352800][ T6217] gfs2_get_tree+0x54/0x1b4 [ 215.353519][ T6217] vfs_get_tree+0x90/0x274 [ 215.354179][ T6217] do_new_mount+0x228/0x810 [ 215.354847][ T6217] path_mount+0x5b4/0x1000 [ 215.355515][ T6217] __arm64_sys_mount+0x514/0x5e4 [ 215.356341][ T6217] invoke_syscall+0x98/0x2b8 [ 215.357055][ T6217] el0_svc_common+0x138/0x258 [ 215.357836][ T6217] do_el0_svc+0x58/0x14c [ 215.358520][ T6217] el0_svc+0x78/0x1e0 [ 215.359160][ T6217] el0t_64_sync_handler+0xcc/0xe4 [ 215.359927][ T6217] el0t_64_sync+0x1a0/0x1a4 [ 215.361537][ T6217] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.363688][ T6217] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.497204][ T6219] loop1: detected capacity change from 0 to 32768 [ 215.504557][ T6219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.505750][ T6219] CPU: 0 PID: 6219 Comm: syz.1.614 Not tainted syzkaller #0 [ 215.506889][ T6219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.508339][ T6219] Call trace: [ 215.508794][ T6219] dump_backtrace+0x0/0x43c [ 215.509471][ T6219] show_stack+0x2c/0x3c [ 215.510100][ T6219] __dump_stack+0x30/0x40 [ 215.510753][ T6219] dump_stack_lvl+0xf8/0x160 [ 215.511430][ T6219] dump_stack+0x1c/0x5c [ 215.512027][ T6219] sysfs_create_dir_ns+0x22c/0x24c [ 215.512774][ T6219] kobject_add_internal+0x590/0xc54 [ 215.513514][ T6219] kobject_init_and_add+0x118/0x17c [ 215.514261][ T6219] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.514959][ T6219] gfs2_fill_super+0xdac/0x19e0 [ 215.515660][ T6219] get_tree_bdev+0x358/0x544 [ 215.516313][ T6219] gfs2_get_tree+0x54/0x1b4 [ 215.516943][ T6219] vfs_get_tree+0x90/0x274 [ 215.517676][ T6219] do_new_mount+0x228/0x810 [ 215.518404][ T6219] path_mount+0x5b4/0x1000 [ 215.519041][ T6219] __arm64_sys_mount+0x514/0x5e4 [ 215.519783][ T6219] invoke_syscall+0x98/0x2b8 [ 215.520452][ T6219] el0_svc_common+0x138/0x258 [ 215.521172][ T6219] do_el0_svc+0x58/0x14c [ 215.521858][ T6219] el0_svc+0x78/0x1e0 [ 215.522482][ T6219] el0t_64_sync_handler+0xcc/0xe4 [ 215.523226][ T6219] el0t_64_sync+0x1a0/0x1a4 [ 215.524709][ T6219] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.526789][ T6219] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.654729][ T6221] loop1: detected capacity change from 0 to 32768 [ 215.740490][ T6221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.741664][ T6221] CPU: 1 PID: 6221 Comm: syz.1.615 Not tainted syzkaller #0 [ 215.742832][ T6221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.744489][ T6221] Call trace: [ 215.744986][ T6221] dump_backtrace+0x0/0x43c [ 215.745647][ T6221] show_stack+0x2c/0x3c [ 215.746248][ T6221] __dump_stack+0x30/0x40 [ 215.746979][ T6221] dump_stack_lvl+0xf8/0x160 [ 215.747762][ T6221] dump_stack+0x1c/0x5c [ 215.748448][ T6221] sysfs_create_dir_ns+0x22c/0x24c [ 215.749242][ T6221] kobject_add_internal+0x590/0xc54 [ 215.750072][ T6221] kobject_init_and_add+0x118/0x17c [ 215.750882][ T6221] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.751622][ T6221] gfs2_fill_super+0xdac/0x19e0 [ 215.752379][ T6221] get_tree_bdev+0x358/0x544 [ 215.753122][ T6221] gfs2_get_tree+0x54/0x1b4 [ 215.753872][ T6221] vfs_get_tree+0x90/0x274 [ 215.754640][ T6221] do_new_mount+0x228/0x810 [ 215.755436][ T6221] path_mount+0x5b4/0x1000 [ 215.756180][ T6221] __arm64_sys_mount+0x514/0x5e4 [ 215.757002][ T6221] invoke_syscall+0x98/0x2b8 [ 215.757747][ T6221] el0_svc_common+0x138/0x258 [ 215.758499][ T6221] do_el0_svc+0x58/0x14c [ 215.759142][ T6221] el0_svc+0x78/0x1e0 [ 215.759748][ T6221] el0t_64_sync_handler+0xcc/0xe4 [ 215.760616][ T6221] el0t_64_sync+0x1a0/0x1a4 [ 215.762809][ T6221] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.764764][ T6221] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 215.895502][ T6223] loop1: detected capacity change from 0 to 32768 [ 215.903904][ T6223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 215.905186][ T6223] CPU: 0 PID: 6223 Comm: syz.1.616 Not tainted syzkaller #0 [ 215.906247][ T6223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.907645][ T6223] Call trace: [ 215.908131][ T6223] dump_backtrace+0x0/0x43c [ 215.908783][ T6223] show_stack+0x2c/0x3c [ 215.909399][ T6223] __dump_stack+0x30/0x40 [ 215.910056][ T6223] dump_stack_lvl+0xf8/0x160 [ 215.910788][ T6223] dump_stack+0x1c/0x5c [ 215.911441][ T6223] sysfs_create_dir_ns+0x22c/0x24c [ 215.912253][ T6223] kobject_add_internal+0x590/0xc54 [ 215.913093][ T6223] kobject_init_and_add+0x118/0x17c [ 215.913857][ T6223] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.914525][ T6223] gfs2_fill_super+0xdac/0x19e0 [ 215.915247][ T6223] get_tree_bdev+0x358/0x544 [ 215.915941][ T6223] gfs2_get_tree+0x54/0x1b4 [ 215.916715][ T6223] vfs_get_tree+0x90/0x274 [ 215.917455][ T6223] do_new_mount+0x228/0x810 [ 215.918218][ T6223] path_mount+0x5b4/0x1000 [ 215.918907][ T6223] __arm64_sys_mount+0x514/0x5e4 [ 215.919644][ T6223] invoke_syscall+0x98/0x2b8 [ 215.920364][ T6223] el0_svc_common+0x138/0x258 [ 215.921055][ T6223] do_el0_svc+0x58/0x14c [ 215.921838][ T6223] el0_svc+0x78/0x1e0 [ 215.922495][ T6223] el0t_64_sync_handler+0xcc/0xe4 [ 215.923290][ T6223] el0t_64_sync+0x1a0/0x1a4 [ 215.924908][ T6223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 215.927085][ T6223] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.063540][ T6225] loop1: detected capacity change from 0 to 32768 [ 216.105840][ T6225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.107083][ T6225] CPU: 1 PID: 6225 Comm: syz.1.617 Not tainted syzkaller #0 [ 216.108160][ T6225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.109709][ T6225] Call trace: [ 216.110240][ T6225] dump_backtrace+0x0/0x43c [ 216.111024][ T6225] show_stack+0x2c/0x3c [ 216.111671][ T6225] __dump_stack+0x30/0x40 [ 216.112328][ T6225] dump_stack_lvl+0xf8/0x160 [ 216.113041][ T6225] dump_stack+0x1c/0x5c [ 216.113631][ T6225] sysfs_create_dir_ns+0x22c/0x24c [ 216.114361][ T6225] kobject_add_internal+0x590/0xc54 [ 216.115159][ T6225] kobject_init_and_add+0x118/0x17c [ 216.115959][ T6225] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.116649][ T6225] gfs2_fill_super+0xdac/0x19e0 [ 216.117288][ T6225] get_tree_bdev+0x358/0x544 [ 216.117996][ T6225] gfs2_get_tree+0x54/0x1b4 [ 216.118774][ T6225] vfs_get_tree+0x90/0x274 [ 216.119496][ T6225] do_new_mount+0x228/0x810 [ 216.120290][ T6225] path_mount+0x5b4/0x1000 [ 216.121070][ T6225] __arm64_sys_mount+0x514/0x5e4 [ 216.121838][ T6225] invoke_syscall+0x98/0x2b8 [ 216.122595][ T6225] el0_svc_common+0x138/0x258 [ 216.123349][ T6225] do_el0_svc+0x58/0x14c [ 216.123983][ T6225] el0_svc+0x78/0x1e0 [ 216.124573][ T6225] el0t_64_sync_handler+0xcc/0xe4 [ 216.125297][ T6225] el0t_64_sync+0x1a0/0x1a4 [ 216.126171][ T6225] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.128184][ T6225] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.195649][ T6227] chnl_net:caif_netlink_parms(): no params data found [ 216.212968][ T6227] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.214288][ T6227] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.215834][ T6227] device bridge_slave_0 entered promiscuous mode [ 216.218115][ T6227] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.219348][ T6227] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.220740][ T6227] device bridge_slave_1 entered promiscuous mode [ 216.227891][ T6227] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 216.230733][ T6227] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 216.238539][ T6227] team0: Port device team_slave_0 added [ 216.240309][ T6227] team0: Port device team_slave_1 added [ 216.246408][ T6227] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 216.247583][ T6227] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 216.251935][ T6227] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 216.254247][ T6227] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 216.255322][ T6227] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 216.259422][ T6227] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 216.309977][ T6227] device hsr_slave_0 entered promiscuous mode [ 216.349016][ T6227] device hsr_slave_1 entered promiscuous mode [ 216.388875][ T6227] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 216.390372][ T6227] Cannot create hsr debugfs directory [ 216.427208][ T6227] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.952781][ T6227] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 216.997753][ T6227] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.111927][ T6227] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 217.284051][ T6227] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 217.333278][ T6227] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 217.382375][ T6227] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 217.422542][ T6227] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 217.493858][ T6227] 8021q: adding VLAN 0 to HW filter on device bond0 [ 217.497409][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 217.501705][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 217.504332][ T6227] 8021q: adding VLAN 0 to HW filter on device team0 [ 217.507080][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 217.508667][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 217.510415][ T604] bridge0: port 1(bridge_slave_0) entered blocking state [ 217.511430][ T604] bridge0: port 1(bridge_slave_0) entered forwarding state [ 217.512789][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 217.515292][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 217.517235][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 217.518706][ T604] bridge0: port 2(bridge_slave_1) entered blocking state [ 217.519824][ T604] bridge0: port 2(bridge_slave_1) entered forwarding state [ 217.524074][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 217.526723][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 217.533427][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 217.535623][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 217.537244][ T604] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 217.540931][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 217.543133][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 217.544626][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 217.546201][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 217.549021][ T1713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 217.550578][ T1713] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 217.553573][ T6227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 217.595394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 217.596728][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 217.600284][ T6227] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 217.606282][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 217.607964][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 217.615245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 217.616718][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 217.618235][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 217.620206][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 217.625598][ T6227] device veth0_vlan entered promiscuous mode [ 217.629549][ T6227] device veth1_vlan entered promiscuous mode [ 217.636833][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 217.638419][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 217.640317][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 217.641883][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 217.644312][ T6227] device veth0_macvtap entered promiscuous mode [ 217.646635][ T6227] device veth1_macvtap entered promiscuous mode [ 217.654437][ T6227] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.656134][ T6227] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.657708][ T6227] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 217.659684][ T6227] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.662246][ T6227] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 217.663705][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 217.665243][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 217.666670][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 217.668186][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 217.671536][ T6227] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.673224][ T6227] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.674672][ T6227] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 217.676101][ T6227] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 217.678036][ T6227] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 217.680099][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 217.681750][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 217.684061][ T6227] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.685428][ T6227] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.686687][ T6227] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.687929][ T6227] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 217.707217][ T1713] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.708533][ T1713] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.712934][ T1713] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 217.721634][ T1713] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 217.722963][ T1713] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 217.724513][ T1713] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 217.866904][ T6245] loop1: detected capacity change from 0 to 32768 [ 217.909177][ T6245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.910371][ T6245] CPU: 1 PID: 6245 Comm: syz.1.618 Not tainted syzkaller #0 [ 217.911488][ T6245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.913036][ T6245] Call trace: [ 217.913515][ T6245] dump_backtrace+0x0/0x43c [ 217.914280][ T6245] show_stack+0x2c/0x3c [ 217.914973][ T6245] __dump_stack+0x30/0x40 [ 217.915683][ T6245] dump_stack_lvl+0xf8/0x160 [ 217.916420][ T6245] dump_stack+0x1c/0x5c [ 217.917103][ T6245] sysfs_create_dir_ns+0x22c/0x24c [ 217.917952][ T6245] kobject_add_internal+0x590/0xc54 [ 217.918762][ T6245] kobject_init_and_add+0x118/0x17c [ 217.919678][ T6245] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.920432][ T6245] gfs2_fill_super+0xdac/0x19e0 [ 217.921181][ T6245] get_tree_bdev+0x358/0x544 [ 217.921922][ T6245] gfs2_get_tree+0x54/0x1b4 [ 217.922702][ T6245] vfs_get_tree+0x90/0x274 [ 217.923409][ T6245] do_new_mount+0x228/0x810 [ 217.924174][ T6245] path_mount+0x5b4/0x1000 [ 217.924844][ T6245] __arm64_sys_mount+0x514/0x5e4 [ 217.925617][ T6245] invoke_syscall+0x98/0x2b8 [ 217.926328][ T6245] el0_svc_common+0x138/0x258 [ 217.926989][ T6245] do_el0_svc+0x58/0x14c [ 217.927655][ T6245] el0_svc+0x78/0x1e0 [ 217.928240][ T6245] el0t_64_sync_handler+0xcc/0xe4 [ 217.929010][ T6245] el0t_64_sync+0x1a0/0x1a4 [ 217.931236][ T6245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.933309][ T6245] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:37 executed programs: 605 [ 218.054233][ T346] device hsr_slave_0 left promiscuous mode [ 218.075196][ T6247] loop1: detected capacity change from 0 to 32768 [ 218.079884][ T6247] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.081333][ T6247] CPU: 1 PID: 6247 Comm: syz.1.619 Not tainted syzkaller #0 [ 218.082483][ T6247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.084182][ T6247] Call trace: [ 218.084728][ T6247] dump_backtrace+0x0/0x43c [ 218.085495][ T6247] show_stack+0x2c/0x3c [ 218.086230][ T6247] __dump_stack+0x30/0x40 [ 218.086972][ T6247] dump_stack_lvl+0xf8/0x160 [ 218.087749][ T6247] dump_stack+0x1c/0x5c [ 218.088445][ T6247] sysfs_create_dir_ns+0x22c/0x24c [ 218.089265][ T6247] kobject_add_internal+0x590/0xc54 [ 218.090219][ T6247] kobject_init_and_add+0x118/0x17c [ 218.091051][ T6247] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.091790][ T6247] gfs2_fill_super+0xdac/0x19e0 [ 218.092505][ T6247] get_tree_bdev+0x358/0x544 [ 218.093188][ T6247] gfs2_get_tree+0x54/0x1b4 [ 218.093962][ T6247] vfs_get_tree+0x90/0x274 [ 218.094714][ T6247] do_new_mount+0x228/0x810 [ 218.095510][ T6247] path_mount+0x5b4/0x1000 [ 218.096290][ T6247] __arm64_sys_mount+0x514/0x5e4 [ 218.097135][ T6247] invoke_syscall+0x98/0x2b8 [ 218.097905][ T6247] el0_svc_common+0x138/0x258 [ 218.098690][ T6247] do_el0_svc+0x58/0x14c [ 218.099402][ T6247] el0_svc+0x78/0x1e0 [ 218.100074][ T6247] el0t_64_sync_handler+0xcc/0xe4 [ 218.100909][ T6247] el0t_64_sync+0x1a0/0x1a4 [ 218.102276][ T346] device hsr_slave_1 left promiscuous mode [ 218.104109][ T6247] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.106273][ T6247] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.188891][ T346] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 218.190120][ T346] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 218.192374][ T346] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 218.193548][ T346] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 218.194831][ T346] device bridge_slave_1 left promiscuous mode [ 218.195801][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 218.248935][ T4159] Bluetooth: hci2: command 0x0409 tx timeout [ 218.259372][ T346] device bridge_slave_0 left promiscuous mode [ 218.260486][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 218.340880][ T6249] loop1: detected capacity change from 0 to 32768 [ 218.388939][ T346] device veth1_macvtap left promiscuous mode [ 218.389924][ T346] device veth0_macvtap left promiscuous mode [ 218.390821][ T346] device veth1_vlan left promiscuous mode [ 218.391668][ T346] device veth0_vlan left promiscuous mode [ 218.401774][ T6249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.402949][ T6249] CPU: 0 PID: 6249 Comm: syz.1.620 Not tainted syzkaller #0 [ 218.403961][ T6249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.405373][ T6249] Call trace: [ 218.405791][ T6249] dump_backtrace+0x0/0x43c [ 218.406433][ T6249] show_stack+0x2c/0x3c [ 218.407029][ T6249] __dump_stack+0x30/0x40 [ 218.407714][ T6249] dump_stack_lvl+0xf8/0x160 [ 218.408408][ T6249] dump_stack+0x1c/0x5c [ 218.409010][ T6249] sysfs_create_dir_ns+0x22c/0x24c [ 218.409746][ T6249] kobject_add_internal+0x590/0xc54 [ 218.410474][ T6249] kobject_init_and_add+0x118/0x17c [ 218.411248][ T6249] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.412044][ T6249] gfs2_fill_super+0xdac/0x19e0 [ 218.412807][ T6249] get_tree_bdev+0x358/0x544 [ 218.413502][ T6249] gfs2_get_tree+0x54/0x1b4 [ 218.414186][ T6249] vfs_get_tree+0x90/0x274 [ 218.414880][ T6249] do_new_mount+0x228/0x810 [ 218.415519][ T6249] path_mount+0x5b4/0x1000 [ 218.416151][ T6249] __arm64_sys_mount+0x514/0x5e4 [ 218.416891][ T6249] invoke_syscall+0x98/0x2b8 [ 218.417632][ T6249] el0_svc_common+0x138/0x258 [ 218.418352][ T6249] do_el0_svc+0x58/0x14c [ 218.419058][ T6249] el0_svc+0x78/0x1e0 [ 218.419704][ T6249] el0t_64_sync_handler+0xcc/0xe4 [ 218.420496][ T6249] el0t_64_sync+0x1a0/0x1a4 [ 218.423631][ T6249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.425441][ T6249] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.521283][ T346] team0 (unregistering): Port device team_slave_1 removed [ 218.533704][ T346] team0 (unregistering): Port device team_slave_0 removed [ 218.540314][ T346] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 218.572172][ T6251] loop1: detected capacity change from 0 to 32768 [ 218.573411][ T346] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 218.682686][ T346] bond0 (unregistering): Released all slaves [ 218.703967][ T6251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.705121][ T6251] CPU: 1 PID: 6251 Comm: syz.1.621 Not tainted syzkaller #0 [ 218.706148][ T6251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.707804][ T6251] Call trace: [ 218.708360][ T6251] dump_backtrace+0x0/0x43c [ 218.709077][ T6251] show_stack+0x2c/0x3c [ 218.709696][ T6251] __dump_stack+0x30/0x40 [ 218.710353][ T6251] dump_stack_lvl+0xf8/0x160 [ 218.711088][ T6251] dump_stack+0x1c/0x5c [ 218.711703][ T6251] sysfs_create_dir_ns+0x22c/0x24c [ 218.712519][ T6251] kobject_add_internal+0x590/0xc54 [ 218.713389][ T6251] kobject_init_and_add+0x118/0x17c [ 218.714184][ T6251] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.714918][ T6251] gfs2_fill_super+0xdac/0x19e0 [ 218.715759][ T6251] get_tree_bdev+0x358/0x544 [ 218.716527][ T6251] gfs2_get_tree+0x54/0x1b4 [ 218.717280][ T6251] vfs_get_tree+0x90/0x274 [ 218.717998][ T6251] do_new_mount+0x228/0x810 [ 218.718717][ T6251] path_mount+0x5b4/0x1000 [ 218.719409][ T6251] __arm64_sys_mount+0x514/0x5e4 [ 218.720120][ T6251] invoke_syscall+0x98/0x2b8 [ 218.720837][ T6251] el0_svc_common+0x138/0x258 [ 218.721578][ T6251] do_el0_svc+0x58/0x14c [ 218.722182][ T6251] el0_svc+0x78/0x1e0 [ 218.722761][ T6251] el0t_64_sync_handler+0xcc/0xe4 [ 218.723457][ T6251] el0t_64_sync+0x1a0/0x1a4 [ 218.724819][ T6251] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.727011][ T6251] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.871788][ T6253] loop1: detected capacity change from 0 to 32768 [ 218.916172][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.917354][ T6253] CPU: 1 PID: 6253 Comm: syz.1.622 Not tainted syzkaller #0 [ 218.918380][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.919863][ T6253] Call trace: [ 218.920381][ T6253] dump_backtrace+0x0/0x43c [ 218.921041][ T6253] show_stack+0x2c/0x3c [ 218.921628][ T6253] __dump_stack+0x30/0x40 [ 218.922238][ T6253] dump_stack_lvl+0xf8/0x160 [ 218.922987][ T6253] dump_stack+0x1c/0x5c [ 218.923659][ T6253] sysfs_create_dir_ns+0x22c/0x24c [ 218.924434][ T6253] kobject_add_internal+0x590/0xc54 [ 218.925244][ T6253] kobject_init_and_add+0x118/0x17c [ 218.926171][ T6253] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.926985][ T6253] gfs2_fill_super+0xdac/0x19e0 [ 218.927819][ T6253] get_tree_bdev+0x358/0x544 [ 218.928559][ T6253] gfs2_get_tree+0x54/0x1b4 [ 218.929276][ T6253] vfs_get_tree+0x90/0x274 [ 218.929979][ T6253] do_new_mount+0x228/0x810 [ 218.930679][ T6253] path_mount+0x5b4/0x1000 [ 218.931362][ T6253] __arm64_sys_mount+0x514/0x5e4 [ 218.932101][ T6253] invoke_syscall+0x98/0x2b8 [ 218.932822][ T6253] el0_svc_common+0x138/0x258 [ 218.933573][ T6253] do_el0_svc+0x58/0x14c [ 218.934257][ T6253] el0_svc+0x78/0x1e0 [ 218.934850][ T6253] el0t_64_sync_handler+0xcc/0xe4 [ 218.935601][ T6253] el0t_64_sync+0x1a0/0x1a4 [ 218.937718][ T6253] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.940217][ T6253] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.084029][ T6255] loop1: detected capacity change from 0 to 32768 [ 219.169946][ T6255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.171148][ T6255] CPU: 0 PID: 6255 Comm: syz.1.623 Not tainted syzkaller #0 [ 219.172227][ T6255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.173756][ T6255] Call trace: [ 219.174230][ T6255] dump_backtrace+0x0/0x43c [ 219.174835][ T6255] show_stack+0x2c/0x3c [ 219.175425][ T6255] __dump_stack+0x30/0x40 [ 219.176127][ T6255] dump_stack_lvl+0xf8/0x160 [ 219.176875][ T6255] dump_stack+0x1c/0x5c [ 219.177454][ T6255] sysfs_create_dir_ns+0x22c/0x24c [ 219.178262][ T6255] kobject_add_internal+0x590/0xc54 [ 219.179070][ T6255] kobject_init_and_add+0x118/0x17c [ 219.179843][ T6255] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.180626][ T6255] gfs2_fill_super+0xdac/0x19e0 [ 219.181431][ T6255] get_tree_bdev+0x358/0x544 [ 219.182229][ T6255] gfs2_get_tree+0x54/0x1b4 [ 219.182948][ T6255] vfs_get_tree+0x90/0x274 [ 219.183698][ T6255] do_new_mount+0x228/0x810 [ 219.184450][ T6255] path_mount+0x5b4/0x1000 [ 219.185155][ T6255] __arm64_sys_mount+0x514/0x5e4 [ 219.186004][ T6255] invoke_syscall+0x98/0x2b8 [ 219.186741][ T6255] el0_svc_common+0x138/0x258 [ 219.187460][ T6255] do_el0_svc+0x58/0x14c [ 219.188172][ T6255] el0_svc+0x78/0x1e0 [ 219.188877][ T6255] el0t_64_sync_handler+0xcc/0xe4 [ 219.189640][ T6255] el0t_64_sync+0x1a0/0x1a4 [ 219.192499][ T6255] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.194555][ T6255] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.442970][ T6257] loop1: detected capacity change from 0 to 32768 [ 219.485479][ T6257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.486730][ T6257] CPU: 0 PID: 6257 Comm: syz.1.624 Not tainted syzkaller #0 [ 219.487798][ T6257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.489297][ T6257] Call trace: [ 219.489809][ T6257] dump_backtrace+0x0/0x43c [ 219.490473][ T6257] show_stack+0x2c/0x3c [ 219.491064][ T6257] __dump_stack+0x30/0x40 [ 219.491681][ T6257] dump_stack_lvl+0xf8/0x160 [ 219.492356][ T6257] dump_stack+0x1c/0x5c [ 219.492940][ T6257] sysfs_create_dir_ns+0x22c/0x24c [ 219.493793][ T6257] kobject_add_internal+0x590/0xc54 [ 219.494676][ T6257] kobject_init_and_add+0x118/0x17c [ 219.495483][ T6257] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.496234][ T6257] gfs2_fill_super+0xdac/0x19e0 [ 219.496953][ T6257] get_tree_bdev+0x358/0x544 [ 219.497693][ T6257] gfs2_get_tree+0x54/0x1b4 [ 219.498481][ T6257] vfs_get_tree+0x90/0x274 [ 219.499164][ T6257] do_new_mount+0x228/0x810 [ 219.499850][ T6257] path_mount+0x5b4/0x1000 [ 219.500513][ T6257] __arm64_sys_mount+0x514/0x5e4 [ 219.501232][ T6257] invoke_syscall+0x98/0x2b8 [ 219.501897][ T6257] el0_svc_common+0x138/0x258 [ 219.502627][ T6257] do_el0_svc+0x58/0x14c [ 219.503308][ T6257] el0_svc+0x78/0x1e0 [ 219.503908][ T6257] el0t_64_sync_handler+0xcc/0xe4 [ 219.504669][ T6257] el0t_64_sync+0x1a0/0x1a4 [ 219.506861][ T6257] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.508713][ T6257] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.641797][ T6259] loop1: detected capacity change from 0 to 32768 [ 219.693969][ T6259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.695237][ T6259] CPU: 0 PID: 6259 Comm: syz.1.625 Not tainted syzkaller #0 [ 219.696462][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.698111][ T6259] Call trace: [ 219.698623][ T6259] dump_backtrace+0x0/0x43c [ 219.699296][ T6259] show_stack+0x2c/0x3c [ 219.699929][ T6259] __dump_stack+0x30/0x40 [ 219.700649][ T6259] dump_stack_lvl+0xf8/0x160 [ 219.701354][ T6259] dump_stack+0x1c/0x5c [ 219.701979][ T6259] sysfs_create_dir_ns+0x22c/0x24c [ 219.702703][ T6259] kobject_add_internal+0x590/0xc54 [ 219.703447][ T6259] kobject_init_and_add+0x118/0x17c [ 219.704311][ T6259] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.705024][ T6259] gfs2_fill_super+0xdac/0x19e0 [ 219.705810][ T6259] get_tree_bdev+0x358/0x544 [ 219.706534][ T6259] gfs2_get_tree+0x54/0x1b4 [ 219.707279][ T6259] vfs_get_tree+0x90/0x274 [ 219.708009][ T6259] do_new_mount+0x228/0x810 [ 219.708766][ T6259] path_mount+0x5b4/0x1000 [ 219.709371][ T6259] __arm64_sys_mount+0x514/0x5e4 [ 219.710060][ T6259] invoke_syscall+0x98/0x2b8 [ 219.710801][ T6259] el0_svc_common+0x138/0x258 [ 219.711503][ T6259] do_el0_svc+0x58/0x14c [ 219.712145][ T6259] el0_svc+0x78/0x1e0 [ 219.712751][ T6259] el0t_64_sync_handler+0xcc/0xe4 [ 219.713523][ T6259] el0t_64_sync+0x1a0/0x1a4 [ 219.715873][ T6259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.717753][ T6259] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.864317][ T6261] loop1: detected capacity change from 0 to 32768 [ 219.880632][ T6261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.881837][ T6261] CPU: 1 PID: 6261 Comm: syz.1.626 Not tainted syzkaller #0 [ 219.882960][ T6261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.884510][ T6261] Call trace: [ 219.884960][ T6261] dump_backtrace+0x0/0x43c [ 219.885645][ T6261] show_stack+0x2c/0x3c [ 219.886246][ T6261] __dump_stack+0x30/0x40 [ 219.886872][ T6261] dump_stack_lvl+0xf8/0x160 [ 219.887524][ T6261] dump_stack+0x1c/0x5c [ 219.888090][ T6261] sysfs_create_dir_ns+0x22c/0x24c [ 219.888825][ T6261] kobject_add_internal+0x590/0xc54 [ 219.889575][ T6261] kobject_init_and_add+0x118/0x17c [ 219.890339][ T6261] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.891022][ T6261] gfs2_fill_super+0xdac/0x19e0 [ 219.891861][ T6261] get_tree_bdev+0x358/0x544 [ 219.892642][ T6261] gfs2_get_tree+0x54/0x1b4 [ 219.893397][ T6261] vfs_get_tree+0x90/0x274 [ 219.894162][ T6261] do_new_mount+0x228/0x810 [ 219.894921][ T6261] path_mount+0x5b4/0x1000 [ 219.895616][ T6261] __arm64_sys_mount+0x514/0x5e4 [ 219.896393][ T6261] invoke_syscall+0x98/0x2b8 [ 219.897109][ T6261] el0_svc_common+0x138/0x258 [ 219.897844][ T6261] do_el0_svc+0x58/0x14c [ 219.898489][ T6261] el0_svc+0x78/0x1e0 [ 219.899116][ T6261] el0t_64_sync_handler+0xcc/0xe4 [ 219.899874][ T6261] el0t_64_sync+0x1a0/0x1a4 [ 219.902704][ T6261] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.904900][ T6261] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.050489][ T6263] loop1: detected capacity change from 0 to 32768 [ 220.071431][ T6263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.072810][ T6263] CPU: 1 PID: 6263 Comm: syz.1.627 Not tainted syzkaller #0 [ 220.073899][ T6263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.075388][ T6263] Call trace: [ 220.075927][ T6263] dump_backtrace+0x0/0x43c [ 220.076688][ T6263] show_stack+0x2c/0x3c [ 220.077385][ T6263] __dump_stack+0x30/0x40 [ 220.078074][ T6263] dump_stack_lvl+0xf8/0x160 [ 220.078848][ T6263] dump_stack+0x1c/0x5c [ 220.079548][ T6263] sysfs_create_dir_ns+0x22c/0x24c [ 220.080476][ T6263] kobject_add_internal+0x590/0xc54 [ 220.081352][ T6263] kobject_init_and_add+0x118/0x17c [ 220.082147][ T6263] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.082868][ T6263] gfs2_fill_super+0xdac/0x19e0 [ 220.083599][ T6263] get_tree_bdev+0x358/0x544 [ 220.084283][ T6263] gfs2_get_tree+0x54/0x1b4 [ 220.084965][ T6263] vfs_get_tree+0x90/0x274 [ 220.085614][ T6263] do_new_mount+0x228/0x810 [ 220.086240][ T6263] path_mount+0x5b4/0x1000 [ 220.086912][ T6263] __arm64_sys_mount+0x514/0x5e4 [ 220.087627][ T6263] invoke_syscall+0x98/0x2b8 [ 220.088326][ T6263] el0_svc_common+0x138/0x258 [ 220.089032][ T6263] do_el0_svc+0x58/0x14c [ 220.089679][ T6263] el0_svc+0x78/0x1e0 [ 220.090364][ T6263] el0t_64_sync_handler+0xcc/0xe4 [ 220.091164][ T6263] el0t_64_sync+0x1a0/0x1a4 [ 220.094063][ T6263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.096357][ T6263] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.263560][ T6265] loop1: detected capacity change from 0 to 32768 [ 220.328852][ T4159] Bluetooth: hci2: command 0x041b tx timeout [ 220.340375][ T6265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.341582][ T6265] CPU: 0 PID: 6265 Comm: syz.1.628 Not tainted syzkaller #0 [ 220.342749][ T6265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.344328][ T6265] Call trace: [ 220.344828][ T6265] dump_backtrace+0x0/0x43c [ 220.345509][ T6265] show_stack+0x2c/0x3c [ 220.346098][ T6265] __dump_stack+0x30/0x40 [ 220.346689][ T6265] dump_stack_lvl+0xf8/0x160 [ 220.347367][ T6265] dump_stack+0x1c/0x5c [ 220.347994][ T6265] sysfs_create_dir_ns+0x22c/0x24c [ 220.348802][ T6265] kobject_add_internal+0x590/0xc54 [ 220.349586][ T6265] kobject_init_and_add+0x118/0x17c [ 220.350362][ T6265] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.351049][ T6265] gfs2_fill_super+0xdac/0x19e0 [ 220.351813][ T6265] get_tree_bdev+0x358/0x544 [ 220.352499][ T6265] gfs2_get_tree+0x54/0x1b4 [ 220.353131][ T6265] vfs_get_tree+0x90/0x274 [ 220.353775][ T6265] do_new_mount+0x228/0x810 [ 220.354391][ T6265] path_mount+0x5b4/0x1000 [ 220.355007][ T6265] __arm64_sys_mount+0x514/0x5e4 [ 220.355722][ T6265] invoke_syscall+0x98/0x2b8 [ 220.356389][ T6265] el0_svc_common+0x138/0x258 [ 220.357118][ T6265] do_el0_svc+0x58/0x14c [ 220.357826][ T6265] el0_svc+0x78/0x1e0 [ 220.358437][ T6265] el0t_64_sync_handler+0xcc/0xe4 [ 220.359244][ T6265] el0t_64_sync+0x1a0/0x1a4 [ 220.368893][ T6265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.370915][ T6265] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.551439][ T6267] loop1: detected capacity change from 0 to 32768 [ 220.559892][ T6267] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.561120][ T6267] CPU: 1 PID: 6267 Comm: syz.1.629 Not tainted syzkaller #0 [ 220.562213][ T6267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.563597][ T6267] Call trace: [ 220.564075][ T6267] dump_backtrace+0x0/0x43c [ 220.564702][ T6267] show_stack+0x2c/0x3c [ 220.565299][ T6267] __dump_stack+0x30/0x40 [ 220.565926][ T6267] dump_stack_lvl+0xf8/0x160 [ 220.566578][ T6267] dump_stack+0x1c/0x5c [ 220.567276][ T6267] sysfs_create_dir_ns+0x22c/0x24c [ 220.568100][ T6267] kobject_add_internal+0x590/0xc54 [ 220.568976][ T6267] kobject_init_and_add+0x118/0x17c [ 220.569834][ T6267] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.570612][ T6267] gfs2_fill_super+0xdac/0x19e0 [ 220.571382][ T6267] get_tree_bdev+0x358/0x544 [ 220.572100][ T6267] gfs2_get_tree+0x54/0x1b4 [ 220.572803][ T6267] vfs_get_tree+0x90/0x274 [ 220.573505][ T6267] do_new_mount+0x228/0x810 [ 220.574249][ T6267] path_mount+0x5b4/0x1000 [ 220.574982][ T6267] __arm64_sys_mount+0x514/0x5e4 [ 220.575779][ T6267] invoke_syscall+0x98/0x2b8 [ 220.576526][ T6267] el0_svc_common+0x138/0x258 [ 220.577318][ T6267] do_el0_svc+0x58/0x14c [ 220.577976][ T6267] el0_svc+0x78/0x1e0 [ 220.578565][ T6267] el0t_64_sync_handler+0xcc/0xe4 [ 220.579411][ T6267] el0t_64_sync+0x1a0/0x1a4 [ 220.582297][ T6267] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.584322][ T6267] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.720479][ T6269] loop1: detected capacity change from 0 to 32768 [ 220.727389][ T6269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.728550][ T6269] CPU: 0 PID: 6269 Comm: syz.1.630 Not tainted syzkaller #0 [ 220.729605][ T6269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.731022][ T6269] Call trace: [ 220.731475][ T6269] dump_backtrace+0x0/0x43c [ 220.732108][ T6269] show_stack+0x2c/0x3c [ 220.732699][ T6269] __dump_stack+0x30/0x40 [ 220.733334][ T6269] dump_stack_lvl+0xf8/0x160 [ 220.733994][ T6269] dump_stack+0x1c/0x5c [ 220.734575][ T6269] sysfs_create_dir_ns+0x22c/0x24c [ 220.735315][ T6269] kobject_add_internal+0x590/0xc54 [ 220.736132][ T6269] kobject_init_and_add+0x118/0x17c [ 220.736978][ T6269] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.737729][ T6269] gfs2_fill_super+0xdac/0x19e0 [ 220.738520][ T6269] get_tree_bdev+0x358/0x544 [ 220.739199][ T6269] gfs2_get_tree+0x54/0x1b4 [ 220.739860][ T6269] vfs_get_tree+0x90/0x274 [ 220.740549][ T6269] do_new_mount+0x228/0x810 [ 220.741309][ T6269] path_mount+0x5b4/0x1000 [ 220.741994][ T6269] __arm64_sys_mount+0x514/0x5e4 [ 220.742710][ T6269] invoke_syscall+0x98/0x2b8 [ 220.743370][ T6269] el0_svc_common+0x138/0x258 [ 220.744134][ T6269] do_el0_svc+0x58/0x14c [ 220.744813][ T6269] el0_svc+0x78/0x1e0 [ 220.745414][ T6269] el0t_64_sync_handler+0xcc/0xe4 [ 220.746156][ T6269] el0t_64_sync+0x1a0/0x1a4 [ 220.747129][ T6269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.749262][ T6269] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.880168][ T6271] loop1: detected capacity change from 0 to 32768 [ 220.934213][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.935454][ T6271] CPU: 0 PID: 6271 Comm: syz.1.631 Not tainted syzkaller #0 [ 220.936624][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.938274][ T6271] Call trace: [ 220.938804][ T6271] dump_backtrace+0x0/0x43c [ 220.939625][ T6271] show_stack+0x2c/0x3c [ 220.940275][ T6271] __dump_stack+0x30/0x40 [ 220.940929][ T6271] dump_stack_lvl+0xf8/0x160 [ 220.941543][ T6271] dump_stack+0x1c/0x5c [ 220.942126][ T6271] sysfs_create_dir_ns+0x22c/0x24c [ 220.942962][ T6271] kobject_add_internal+0x590/0xc54 [ 220.943770][ T6271] kobject_init_and_add+0x118/0x17c [ 220.944527][ T6271] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.945208][ T6271] gfs2_fill_super+0xdac/0x19e0 [ 220.945908][ T6271] get_tree_bdev+0x358/0x544 [ 220.946613][ T6271] gfs2_get_tree+0x54/0x1b4 [ 220.947338][ T6271] vfs_get_tree+0x90/0x274 [ 220.948067][ T6271] do_new_mount+0x228/0x810 [ 220.948855][ T6271] path_mount+0x5b4/0x1000 [ 220.949602][ T6271] __arm64_sys_mount+0x514/0x5e4 [ 220.950405][ T6271] invoke_syscall+0x98/0x2b8 [ 220.951153][ T6271] el0_svc_common+0x138/0x258 [ 220.951886][ T6271] do_el0_svc+0x58/0x14c [ 220.952545][ T6271] el0_svc+0x78/0x1e0 [ 220.953182][ T6271] el0t_64_sync_handler+0xcc/0xe4 [ 220.954030][ T6271] el0t_64_sync+0x1a0/0x1a4 [ 220.956302][ T6271] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.958443][ T6271] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.094708][ T6273] loop1: detected capacity change from 0 to 32768 [ 221.100745][ T6273] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.102176][ T6273] CPU: 0 PID: 6273 Comm: syz.1.632 Not tainted syzkaller #0 [ 221.103374][ T6273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.105051][ T6273] Call trace: [ 221.105560][ T6273] dump_backtrace+0x0/0x43c [ 221.106298][ T6273] show_stack+0x2c/0x3c [ 221.106951][ T6273] __dump_stack+0x30/0x40 [ 221.107596][ T6273] dump_stack_lvl+0xf8/0x160 [ 221.108307][ T6273] dump_stack+0x1c/0x5c [ 221.108974][ T6273] sysfs_create_dir_ns+0x22c/0x24c [ 221.109736][ T6273] kobject_add_internal+0x590/0xc54 [ 221.110516][ T6273] kobject_init_and_add+0x118/0x17c [ 221.111294][ T6273] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.112008][ T6273] gfs2_fill_super+0xdac/0x19e0 [ 221.112749][ T6273] get_tree_bdev+0x358/0x544 [ 221.113430][ T6273] gfs2_get_tree+0x54/0x1b4 [ 221.114110][ T6273] vfs_get_tree+0x90/0x274 [ 221.114743][ T6273] do_new_mount+0x228/0x810 [ 221.115416][ T6273] path_mount+0x5b4/0x1000 [ 221.116120][ T6273] __arm64_sys_mount+0x514/0x5e4 [ 221.116915][ T6273] invoke_syscall+0x98/0x2b8 [ 221.117586][ T6273] el0_svc_common+0x138/0x258 [ 221.118269][ T6273] do_el0_svc+0x58/0x14c [ 221.118879][ T6273] el0_svc+0x78/0x1e0 [ 221.119479][ T6273] el0t_64_sync_handler+0xcc/0xe4 [ 221.120310][ T6273] el0t_64_sync+0x1a0/0x1a4 [ 221.122468][ T6273] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.124512][ T6273] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.261012][ T6275] loop1: detected capacity change from 0 to 32768 [ 221.300300][ T6275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.301461][ T6275] CPU: 0 PID: 6275 Comm: syz.1.633 Not tainted syzkaller #0 [ 221.302600][ T6275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.303988][ T6275] Call trace: [ 221.304434][ T6275] dump_backtrace+0x0/0x43c [ 221.305089][ T6275] show_stack+0x2c/0x3c [ 221.305731][ T6275] __dump_stack+0x30/0x40 [ 221.306407][ T6275] dump_stack_lvl+0xf8/0x160 [ 221.307096][ T6275] dump_stack+0x1c/0x5c [ 221.307667][ T6275] sysfs_create_dir_ns+0x22c/0x24c [ 221.308409][ T6275] kobject_add_internal+0x590/0xc54 [ 221.309149][ T6275] kobject_init_and_add+0x118/0x17c [ 221.309977][ T6275] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.310766][ T6275] gfs2_fill_super+0xdac/0x19e0 [ 221.311525][ T6275] get_tree_bdev+0x358/0x544 [ 221.312252][ T6275] gfs2_get_tree+0x54/0x1b4 [ 221.312978][ T6275] vfs_get_tree+0x90/0x274 [ 221.313682][ T6275] do_new_mount+0x228/0x810 [ 221.314380][ T6275] path_mount+0x5b4/0x1000 [ 221.315049][ T6275] __arm64_sys_mount+0x514/0x5e4 [ 221.315858][ T6275] invoke_syscall+0x98/0x2b8 [ 221.316663][ T6275] el0_svc_common+0x138/0x258 [ 221.317445][ T6275] do_el0_svc+0x58/0x14c [ 221.318147][ T6275] el0_svc+0x78/0x1e0 [ 221.318731][ T6275] el0t_64_sync_handler+0xcc/0xe4 [ 221.319479][ T6275] el0t_64_sync+0x1a0/0x1a4 [ 221.320609][ T6275] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.322762][ T6275] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.476907][ T6277] loop1: detected capacity change from 0 to 32768 [ 221.530946][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.532180][ T6277] CPU: 0 PID: 6277 Comm: syz.1.634 Not tainted syzkaller #0 [ 221.533220][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.534622][ T6277] Call trace: [ 221.535090][ T6277] dump_backtrace+0x0/0x43c [ 221.535773][ T6277] show_stack+0x2c/0x3c [ 221.536384][ T6277] __dump_stack+0x30/0x40 [ 221.537002][ T6277] dump_stack_lvl+0xf8/0x160 [ 221.537709][ T6277] dump_stack+0x1c/0x5c [ 221.538365][ T6277] sysfs_create_dir_ns+0x22c/0x24c [ 221.539201][ T6277] kobject_add_internal+0x590/0xc54 [ 221.540078][ T6277] kobject_init_and_add+0x118/0x17c [ 221.540917][ T6277] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.541696][ T6277] gfs2_fill_super+0xdac/0x19e0 [ 221.542471][ T6277] get_tree_bdev+0x358/0x544 [ 221.543235][ T6277] gfs2_get_tree+0x54/0x1b4 [ 221.544001][ T6277] vfs_get_tree+0x90/0x274 [ 221.544719][ T6277] do_new_mount+0x228/0x810 [ 221.545461][ T6277] path_mount+0x5b4/0x1000 [ 221.546189][ T6277] __arm64_sys_mount+0x514/0x5e4 [ 221.546969][ T6277] invoke_syscall+0x98/0x2b8 [ 221.547695][ T6277] el0_svc_common+0x138/0x258 [ 221.548429][ T6277] do_el0_svc+0x58/0x14c [ 221.549032][ T6277] el0_svc+0x78/0x1e0 [ 221.549591][ T6277] el0t_64_sync_handler+0xcc/0xe4 [ 221.550294][ T6277] el0t_64_sync+0x1a0/0x1a4 [ 221.552522][ T6277] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.554482][ T6277] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.735980][ T6279] loop1: detected capacity change from 0 to 32768 [ 221.774525][ T6279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.775820][ T6279] CPU: 0 PID: 6279 Comm: syz.1.635 Not tainted syzkaller #0 [ 221.776953][ T6279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.778337][ T6279] Call trace: [ 221.778796][ T6279] dump_backtrace+0x0/0x43c [ 221.779460][ T6279] show_stack+0x2c/0x3c [ 221.780069][ T6279] __dump_stack+0x30/0x40 [ 221.780733][ T6279] dump_stack_lvl+0xf8/0x160 [ 221.781459][ T6279] dump_stack+0x1c/0x5c [ 221.782116][ T6279] sysfs_create_dir_ns+0x22c/0x24c [ 221.782951][ T6279] kobject_add_internal+0x590/0xc54 [ 221.783793][ T6279] kobject_init_and_add+0x118/0x17c [ 221.784609][ T6279] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.785342][ T6279] gfs2_fill_super+0xdac/0x19e0 [ 221.786067][ T6279] get_tree_bdev+0x358/0x544 [ 221.786774][ T6279] gfs2_get_tree+0x54/0x1b4 [ 221.787403][ T6279] vfs_get_tree+0x90/0x274 [ 221.788073][ T6279] do_new_mount+0x228/0x810 [ 221.788710][ T6279] path_mount+0x5b4/0x1000 [ 221.789361][ T6279] __arm64_sys_mount+0x514/0x5e4 [ 221.790043][ T6279] invoke_syscall+0x98/0x2b8 [ 221.790711][ T6279] el0_svc_common+0x138/0x258 [ 221.791362][ T6279] do_el0_svc+0x58/0x14c [ 221.792042][ T6279] el0_svc+0x78/0x1e0 [ 221.792704][ T6279] el0t_64_sync_handler+0xcc/0xe4 [ 221.793456][ T6279] el0t_64_sync+0x1a0/0x1a4 [ 221.794387][ T6279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.796362][ T6279] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.937991][ T6281] loop1: detected capacity change from 0 to 32768 [ 221.945230][ T6281] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.946435][ T6281] CPU: 1 PID: 6281 Comm: syz.1.636 Not tainted syzkaller #0 [ 221.947706][ T6281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.949408][ T6281] Call trace: [ 221.949894][ T6281] dump_backtrace+0x0/0x43c [ 221.950654][ T6281] show_stack+0x2c/0x3c [ 221.951365][ T6281] __dump_stack+0x30/0x40 [ 221.952108][ T6281] dump_stack_lvl+0xf8/0x160 [ 221.952812][ T6281] dump_stack+0x1c/0x5c [ 221.953453][ T6281] sysfs_create_dir_ns+0x22c/0x24c [ 221.954254][ T6281] kobject_add_internal+0x590/0xc54 [ 221.955050][ T6281] kobject_init_and_add+0x118/0x17c [ 221.955847][ T6281] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.956582][ T6281] gfs2_fill_super+0xdac/0x19e0 [ 221.957434][ T6281] get_tree_bdev+0x358/0x544 [ 221.958155][ T6281] gfs2_get_tree+0x54/0x1b4 [ 221.958856][ T6281] vfs_get_tree+0x90/0x274 [ 221.959587][ T6281] do_new_mount+0x228/0x810 [ 221.960288][ T6281] path_mount+0x5b4/0x1000 [ 221.960973][ T6281] __arm64_sys_mount+0x514/0x5e4 [ 221.961745][ T6281] invoke_syscall+0x98/0x2b8 [ 221.962449][ T6281] el0_svc_common+0x138/0x258 [ 221.963161][ T6281] do_el0_svc+0x58/0x14c [ 221.963791][ T6281] el0_svc+0x78/0x1e0 [ 221.964449][ T6281] el0t_64_sync_handler+0xcc/0xe4 [ 221.965199][ T6281] el0t_64_sync+0x1a0/0x1a4 [ 221.967382][ T6281] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.969446][ T6281] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.099387][ T6283] loop1: detected capacity change from 0 to 32768 [ 222.140044][ T6283] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.141137][ T6283] CPU: 0 PID: 6283 Comm: syz.1.637 Not tainted syzkaller #0 [ 222.142275][ T6283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.143804][ T6283] Call trace: [ 222.144277][ T6283] dump_backtrace+0x0/0x43c [ 222.144985][ T6283] show_stack+0x2c/0x3c [ 222.145603][ T6283] __dump_stack+0x30/0x40 [ 222.146161][ T6283] dump_stack_lvl+0xf8/0x160 [ 222.146778][ T6283] dump_stack+0x1c/0x5c [ 222.147447][ T6283] sysfs_create_dir_ns+0x22c/0x24c [ 222.148201][ T6283] kobject_add_internal+0x590/0xc54 [ 222.149001][ T6283] kobject_init_and_add+0x118/0x17c [ 222.149824][ T6283] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.150512][ T6283] gfs2_fill_super+0xdac/0x19e0 [ 222.151165][ T6283] get_tree_bdev+0x358/0x544 [ 222.151831][ T6283] gfs2_get_tree+0x54/0x1b4 [ 222.152442][ T6283] vfs_get_tree+0x90/0x274 [ 222.153078][ T6283] do_new_mount+0x228/0x810 [ 222.153721][ T6283] path_mount+0x5b4/0x1000 [ 222.154403][ T6283] __arm64_sys_mount+0x514/0x5e4 [ 222.155146][ T6283] invoke_syscall+0x98/0x2b8 [ 222.155844][ T6283] el0_svc_common+0x138/0x258 [ 222.156538][ T6283] do_el0_svc+0x58/0x14c [ 222.157169][ T6283] el0_svc+0x78/0x1e0 [ 222.157813][ T6283] el0t_64_sync_handler+0xcc/0xe4 [ 222.158562][ T6283] el0t_64_sync+0x1a0/0x1a4 [ 222.159590][ T6283] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.161572][ T6283] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.298137][ T6285] loop1: detected capacity change from 0 to 32768 [ 222.305547][ T6285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.306656][ T6285] CPU: 1 PID: 6285 Comm: syz.1.638 Not tainted syzkaller #0 [ 222.307683][ T6285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.309324][ T6285] Call trace: [ 222.309845][ T6285] dump_backtrace+0x0/0x43c [ 222.310590][ T6285] show_stack+0x2c/0x3c [ 222.311324][ T6285] __dump_stack+0x30/0x40 [ 222.312086][ T6285] dump_stack_lvl+0xf8/0x160 [ 222.312829][ T6285] dump_stack+0x1c/0x5c [ 222.313548][ T6285] sysfs_create_dir_ns+0x22c/0x24c [ 222.314394][ T6285] kobject_add_internal+0x590/0xc54 [ 222.315279][ T6285] kobject_init_and_add+0x118/0x17c [ 222.316169][ T6285] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.316931][ T6285] gfs2_fill_super+0xdac/0x19e0 [ 222.317678][ T6285] get_tree_bdev+0x358/0x544 [ 222.318413][ T6285] gfs2_get_tree+0x54/0x1b4 [ 222.319071][ T6285] vfs_get_tree+0x90/0x274 [ 222.319711][ T6285] do_new_mount+0x228/0x810 [ 222.320347][ T6285] path_mount+0x5b4/0x1000 [ 222.320992][ T6285] __arm64_sys_mount+0x514/0x5e4 [ 222.321780][ T6285] invoke_syscall+0x98/0x2b8 [ 222.322576][ T6285] el0_svc_common+0x138/0x258 [ 222.323333][ T6285] do_el0_svc+0x58/0x14c [ 222.324145][ T6285] el0_svc+0x78/0x1e0 [ 222.324854][ T6285] el0t_64_sync_handler+0xcc/0xe4 [ 222.325627][ T6285] el0t_64_sync+0x1a0/0x1a4 [ 222.326432][ T6285] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.328506][ T6285] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.408906][ T4159] Bluetooth: hci2: command 0x040f tx timeout [ 222.460652][ T6287] loop1: detected capacity change from 0 to 32768 [ 222.467740][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.469100][ T6287] CPU: 1 PID: 6287 Comm: syz.1.639 Not tainted syzkaller #0 [ 222.470299][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.471896][ T6287] Call trace: [ 222.472428][ T6287] dump_backtrace+0x0/0x43c [ 222.473160][ T6287] show_stack+0x2c/0x3c [ 222.473795][ T6287] __dump_stack+0x30/0x40 [ 222.474547][ T6287] dump_stack_lvl+0xf8/0x160 [ 222.475322][ T6287] dump_stack+0x1c/0x5c [ 222.476047][ T6287] sysfs_create_dir_ns+0x22c/0x24c [ 222.476829][ T6287] kobject_add_internal+0x590/0xc54 [ 222.477672][ T6287] kobject_init_and_add+0x118/0x17c [ 222.478501][ T6287] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.479304][ T6287] gfs2_fill_super+0xdac/0x19e0 [ 222.480109][ T6287] get_tree_bdev+0x358/0x544 [ 222.480916][ T6287] gfs2_get_tree+0x54/0x1b4 [ 222.481698][ T6287] vfs_get_tree+0x90/0x274 [ 222.482414][ T6287] do_new_mount+0x228/0x810 [ 222.483105][ T6287] path_mount+0x5b4/0x1000 [ 222.483761][ T6287] __arm64_sys_mount+0x514/0x5e4 [ 222.484546][ T6287] invoke_syscall+0x98/0x2b8 [ 222.485349][ T6287] el0_svc_common+0x138/0x258 [ 222.486108][ T6287] do_el0_svc+0x58/0x14c [ 222.486827][ T6287] el0_svc+0x78/0x1e0 [ 222.487453][ T6287] el0t_64_sync_handler+0xcc/0xe4 [ 222.488230][ T6287] el0t_64_sync+0x1a0/0x1a4 [ 222.489734][ T6287] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.491723][ T6287] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.624372][ T6289] loop1: detected capacity change from 0 to 32768 [ 222.632590][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.633968][ T6289] CPU: 0 PID: 6289 Comm: syz.1.640 Not tainted syzkaller #0 [ 222.635066][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.636539][ T6289] Call trace: [ 222.637049][ T6289] dump_backtrace+0x0/0x43c [ 222.637663][ T6289] show_stack+0x2c/0x3c [ 222.638276][ T6289] __dump_stack+0x30/0x40 [ 222.638881][ T6289] dump_stack_lvl+0xf8/0x160 [ 222.639626][ T6289] dump_stack+0x1c/0x5c [ 222.640344][ T6289] sysfs_create_dir_ns+0x22c/0x24c [ 222.641239][ T6289] kobject_add_internal+0x590/0xc54 [ 222.642040][ T6289] kobject_init_and_add+0x118/0x17c [ 222.642921][ T6289] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.643697][ T6289] gfs2_fill_super+0xdac/0x19e0 [ 222.644502][ T6289] get_tree_bdev+0x358/0x544 [ 222.645236][ T6289] gfs2_get_tree+0x54/0x1b4 [ 222.645913][ T6289] vfs_get_tree+0x90/0x274 [ 222.646534][ T6289] do_new_mount+0x228/0x810 [ 222.647197][ T6289] path_mount+0x5b4/0x1000 [ 222.647910][ T6289] __arm64_sys_mount+0x514/0x5e4 [ 222.648702][ T6289] invoke_syscall+0x98/0x2b8 [ 222.649468][ T6289] el0_svc_common+0x138/0x258 [ 222.650199][ T6289] do_el0_svc+0x58/0x14c [ 222.650831][ T6289] el0_svc+0x78/0x1e0 [ 222.651491][ T6289] el0t_64_sync_handler+0xcc/0xe4 [ 222.652288][ T6289] el0t_64_sync+0x1a0/0x1a4 [ 222.653828][ T6289] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.655725][ T6289] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.881969][ T6291] loop1: detected capacity change from 0 to 32768 [ 222.931491][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.932691][ T6291] CPU: 0 PID: 6291 Comm: syz.1.641 Not tainted syzkaller #0 [ 222.933821][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 222.935264][ T6291] Call trace: [ 222.935738][ T6291] dump_backtrace+0x0/0x43c [ 222.936350][ T6291] show_stack+0x2c/0x3c [ 222.936907][ T6291] __dump_stack+0x30/0x40 [ 222.937496][ T6291] dump_stack_lvl+0xf8/0x160 [ 222.938143][ T6291] dump_stack+0x1c/0x5c [ 222.938703][ T6291] sysfs_create_dir_ns+0x22c/0x24c [ 222.939429][ T6291] kobject_add_internal+0x590/0xc54 [ 222.940180][ T6291] kobject_init_and_add+0x118/0x17c [ 222.940903][ T6291] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.941615][ T6291] gfs2_fill_super+0xdac/0x19e0 [ 222.942341][ T6291] get_tree_bdev+0x358/0x544 [ 222.942971][ T6291] gfs2_get_tree+0x54/0x1b4 [ 222.943587][ T6291] vfs_get_tree+0x90/0x274 [ 222.944357][ T6291] do_new_mount+0x228/0x810 [ 222.945065][ T6291] path_mount+0x5b4/0x1000 [ 222.945780][ T6291] __arm64_sys_mount+0x514/0x5e4 [ 222.946644][ T6291] invoke_syscall+0x98/0x2b8 [ 222.947416][ T6291] el0_svc_common+0x138/0x258 [ 222.948134][ T6291] do_el0_svc+0x58/0x14c [ 222.948798][ T6291] el0_svc+0x78/0x1e0 [ 222.949365][ T6291] el0t_64_sync_handler+0xcc/0xe4 [ 222.950116][ T6291] el0t_64_sync+0x1a0/0x1a4 [ 222.953093][ T6291] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.955100][ T6291] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:42 executed programs: 628 [ 223.093180][ T6293] loop1: detected capacity change from 0 to 32768 [ 223.140431][ T6293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.141676][ T6293] CPU: 0 PID: 6293 Comm: syz.1.642 Not tainted syzkaller #0 [ 223.142860][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.144319][ T6293] Call trace: [ 223.144781][ T6293] dump_backtrace+0x0/0x43c [ 223.145382][ T6293] show_stack+0x2c/0x3c [ 223.146043][ T6293] __dump_stack+0x30/0x40 [ 223.146690][ T6293] dump_stack_lvl+0xf8/0x160 [ 223.147377][ T6293] dump_stack+0x1c/0x5c [ 223.147952][ T6293] sysfs_create_dir_ns+0x22c/0x24c [ 223.148640][ T6293] kobject_add_internal+0x590/0xc54 [ 223.149419][ T6293] kobject_init_and_add+0x118/0x17c [ 223.150205][ T6293] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.150936][ T6293] gfs2_fill_super+0xdac/0x19e0 [ 223.151721][ T6293] get_tree_bdev+0x358/0x544 [ 223.152437][ T6293] gfs2_get_tree+0x54/0x1b4 [ 223.153126][ T6293] vfs_get_tree+0x90/0x274 [ 223.153867][ T6293] do_new_mount+0x228/0x810 [ 223.154593][ T6293] path_mount+0x5b4/0x1000 [ 223.155313][ T6293] __arm64_sys_mount+0x514/0x5e4 [ 223.156121][ T6293] invoke_syscall+0x98/0x2b8 [ 223.156847][ T6293] el0_svc_common+0x138/0x258 [ 223.157568][ T6293] do_el0_svc+0x58/0x14c [ 223.158216][ T6293] el0_svc+0x78/0x1e0 [ 223.158899][ T6293] el0t_64_sync_handler+0xcc/0xe4 [ 223.159694][ T6293] el0t_64_sync+0x1a0/0x1a4 [ 223.161362][ T6293] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.163547][ T6293] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.303011][ T6295] loop1: detected capacity change from 0 to 32768 [ 223.340455][ T6295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.341690][ T6295] CPU: 1 PID: 6295 Comm: syz.1.643 Not tainted syzkaller #0 [ 223.342801][ T6295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.344363][ T6295] Call trace: [ 223.344884][ T6295] dump_backtrace+0x0/0x43c [ 223.345546][ T6295] show_stack+0x2c/0x3c [ 223.346109][ T6295] __dump_stack+0x30/0x40 [ 223.346744][ T6295] dump_stack_lvl+0xf8/0x160 [ 223.347418][ T6295] dump_stack+0x1c/0x5c [ 223.348022][ T6295] sysfs_create_dir_ns+0x22c/0x24c [ 223.348719][ T6295] kobject_add_internal+0x590/0xc54 [ 223.349506][ T6295] kobject_init_and_add+0x118/0x17c [ 223.350288][ T6295] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.351078][ T6295] gfs2_fill_super+0xdac/0x19e0 [ 223.351836][ T6295] get_tree_bdev+0x358/0x544 [ 223.352528][ T6295] gfs2_get_tree+0x54/0x1b4 [ 223.353184][ T6295] vfs_get_tree+0x90/0x274 [ 223.353834][ T6295] do_new_mount+0x228/0x810 [ 223.354486][ T6295] path_mount+0x5b4/0x1000 [ 223.355117][ T6295] __arm64_sys_mount+0x514/0x5e4 [ 223.355832][ T6295] invoke_syscall+0x98/0x2b8 [ 223.356527][ T6295] el0_svc_common+0x138/0x258 [ 223.357248][ T6295] do_el0_svc+0x58/0x14c [ 223.357958][ T6295] el0_svc+0x78/0x1e0 [ 223.358600][ T6295] el0t_64_sync_handler+0xcc/0xe4 [ 223.359360][ T6295] el0t_64_sync+0x1a0/0x1a4 [ 223.360310][ T6295] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.362197][ T6295] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.554103][ T6297] loop1: detected capacity change from 0 to 32768 [ 223.590182][ T6297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.591812][ T6297] CPU: 1 PID: 6297 Comm: syz.1.644 Not tainted syzkaller #0 [ 223.592944][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.594540][ T6297] Call trace: [ 223.595043][ T6297] dump_backtrace+0x0/0x43c [ 223.595735][ T6297] show_stack+0x2c/0x3c [ 223.596389][ T6297] __dump_stack+0x30/0x40 [ 223.597058][ T6297] dump_stack_lvl+0xf8/0x160 [ 223.597731][ T6297] dump_stack+0x1c/0x5c [ 223.598398][ T6297] sysfs_create_dir_ns+0x22c/0x24c [ 223.599183][ T6297] kobject_add_internal+0x590/0xc54 [ 223.599972][ T6297] kobject_init_and_add+0x118/0x17c [ 223.600711][ T6297] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.601492][ T6297] gfs2_fill_super+0xdac/0x19e0 [ 223.602217][ T6297] get_tree_bdev+0x358/0x544 [ 223.602978][ T6297] gfs2_get_tree+0x54/0x1b4 [ 223.603661][ T6297] vfs_get_tree+0x90/0x274 [ 223.604331][ T6297] do_new_mount+0x228/0x810 [ 223.605007][ T6297] path_mount+0x5b4/0x1000 [ 223.605659][ T6297] __arm64_sys_mount+0x514/0x5e4 [ 223.606498][ T6297] invoke_syscall+0x98/0x2b8 [ 223.607254][ T6297] el0_svc_common+0x138/0x258 [ 223.608003][ T6297] do_el0_svc+0x58/0x14c [ 223.608704][ T6297] el0_svc+0x78/0x1e0 [ 223.609315][ T6297] el0t_64_sync_handler+0xcc/0xe4 [ 223.610143][ T6297] el0t_64_sync+0x1a0/0x1a4 [ 223.617668][ T6297] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.619835][ T6297] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.764244][ T6299] loop1: detected capacity change from 0 to 32768 [ 223.813973][ T6299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.815088][ T6299] CPU: 0 PID: 6299 Comm: syz.1.645 Not tainted syzkaller #0 [ 223.816130][ T6299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.817508][ T6299] Call trace: [ 223.818000][ T6299] dump_backtrace+0x0/0x43c [ 223.818607][ T6299] show_stack+0x2c/0x3c [ 223.819334][ T6299] __dump_stack+0x30/0x40 [ 223.820023][ T6299] dump_stack_lvl+0xf8/0x160 [ 223.820783][ T6299] dump_stack+0x1c/0x5c [ 223.821451][ T6299] sysfs_create_dir_ns+0x22c/0x24c [ 223.822268][ T6299] kobject_add_internal+0x590/0xc54 [ 223.823045][ T6299] kobject_init_and_add+0x118/0x17c [ 223.823810][ T6299] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.824597][ T6299] gfs2_fill_super+0xdac/0x19e0 [ 223.825463][ T6299] get_tree_bdev+0x358/0x544 [ 223.826244][ T6299] gfs2_get_tree+0x54/0x1b4 [ 223.826958][ T6299] vfs_get_tree+0x90/0x274 [ 223.827705][ T6299] do_new_mount+0x228/0x810 [ 223.828376][ T6299] path_mount+0x5b4/0x1000 [ 223.829068][ T6299] __arm64_sys_mount+0x514/0x5e4 [ 223.829814][ T6299] invoke_syscall+0x98/0x2b8 [ 223.830533][ T6299] el0_svc_common+0x138/0x258 [ 223.831230][ T6299] do_el0_svc+0x58/0x14c [ 223.831857][ T6299] el0_svc+0x78/0x1e0 [ 223.832465][ T6299] el0t_64_sync_handler+0xcc/0xe4 [ 223.833184][ T6299] el0t_64_sync+0x1a0/0x1a4 [ 223.835339][ T6299] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.837187][ T6299] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.965323][ T6301] loop1: detected capacity change from 0 to 32768 [ 224.011584][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.012945][ T6301] CPU: 0 PID: 6301 Comm: syz.1.646 Not tainted syzkaller #0 [ 224.013978][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.015617][ T6301] Call trace: [ 224.016171][ T6301] dump_backtrace+0x0/0x43c [ 224.016951][ T6301] show_stack+0x2c/0x3c [ 224.017614][ T6301] __dump_stack+0x30/0x40 [ 224.018283][ T6301] dump_stack_lvl+0xf8/0x160 [ 224.018974][ T6301] dump_stack+0x1c/0x5c [ 224.019650][ T6301] sysfs_create_dir_ns+0x22c/0x24c [ 224.020465][ T6301] kobject_add_internal+0x590/0xc54 [ 224.021281][ T6301] kobject_init_and_add+0x118/0x17c [ 224.022119][ T6301] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.022902][ T6301] gfs2_fill_super+0xdac/0x19e0 [ 224.023685][ T6301] get_tree_bdev+0x358/0x544 [ 224.024461][ T6301] gfs2_get_tree+0x54/0x1b4 [ 224.025214][ T6301] vfs_get_tree+0x90/0x274 [ 224.025924][ T6301] do_new_mount+0x228/0x810 [ 224.026600][ T6301] path_mount+0x5b4/0x1000 [ 224.027254][ T6301] __arm64_sys_mount+0x514/0x5e4 [ 224.027954][ T6301] invoke_syscall+0x98/0x2b8 [ 224.028657][ T6301] el0_svc_common+0x138/0x258 [ 224.029367][ T6301] do_el0_svc+0x58/0x14c [ 224.030034][ T6301] el0_svc+0x78/0x1e0 [ 224.030640][ T6301] el0t_64_sync_handler+0xcc/0xe4 [ 224.031421][ T6301] el0t_64_sync+0x1a0/0x1a4 [ 224.033908][ T6301] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.035727][ T6301] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.166158][ T6303] loop1: detected capacity change from 0 to 32768 [ 224.174105][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.175287][ T6303] CPU: 1 PID: 6303 Comm: syz.1.647 Not tainted syzkaller #0 [ 224.176479][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.177959][ T6303] Call trace: [ 224.178435][ T6303] dump_backtrace+0x0/0x43c [ 224.179060][ T6303] show_stack+0x2c/0x3c [ 224.179751][ T6303] __dump_stack+0x30/0x40 [ 224.180529][ T6303] dump_stack_lvl+0xf8/0x160 [ 224.181244][ T6303] dump_stack+0x1c/0x5c [ 224.181864][ T6303] sysfs_create_dir_ns+0x22c/0x24c [ 224.182736][ T6303] kobject_add_internal+0x590/0xc54 [ 224.183627][ T6303] kobject_init_and_add+0x118/0x17c [ 224.184555][ T6303] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.185303][ T6303] gfs2_fill_super+0xdac/0x19e0 [ 224.186084][ T6303] get_tree_bdev+0x358/0x544 [ 224.186806][ T6303] gfs2_get_tree+0x54/0x1b4 [ 224.187467][ T6303] vfs_get_tree+0x90/0x274 [ 224.188167][ T6303] do_new_mount+0x228/0x810 [ 224.188872][ T6303] path_mount+0x5b4/0x1000 [ 224.189543][ T6303] __arm64_sys_mount+0x514/0x5e4 [ 224.190311][ T6303] invoke_syscall+0x98/0x2b8 [ 224.190994][ T6303] el0_svc_common+0x138/0x258 [ 224.191837][ T6303] do_el0_svc+0x58/0x14c [ 224.192581][ T6303] el0_svc+0x78/0x1e0 [ 224.193246][ T6303] el0t_64_sync_handler+0xcc/0xe4 [ 224.194028][ T6303] el0t_64_sync+0x1a0/0x1a4 [ 224.194880][ T6303] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.196811][ T6303] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.328232][ T6305] loop1: detected capacity change from 0 to 32768 [ 224.334760][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.335974][ T6305] CPU: 0 PID: 6305 Comm: syz.1.648 Not tainted syzkaller #0 [ 224.337003][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.338473][ T6305] Call trace: [ 224.339013][ T6305] dump_backtrace+0x0/0x43c [ 224.339726][ T6305] show_stack+0x2c/0x3c [ 224.340369][ T6305] __dump_stack+0x30/0x40 [ 224.341119][ T6305] dump_stack_lvl+0xf8/0x160 [ 224.341885][ T6305] dump_stack+0x1c/0x5c [ 224.342557][ T6305] sysfs_create_dir_ns+0x22c/0x24c [ 224.343337][ T6305] kobject_add_internal+0x590/0xc54 [ 224.344147][ T6305] kobject_init_and_add+0x118/0x17c [ 224.344956][ T6305] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.345643][ T6305] gfs2_fill_super+0xdac/0x19e0 [ 224.346307][ T6305] get_tree_bdev+0x358/0x544 [ 224.347114][ T6305] gfs2_get_tree+0x54/0x1b4 [ 224.347880][ T6305] vfs_get_tree+0x90/0x274 [ 224.348635][ T6305] do_new_mount+0x228/0x810 [ 224.349345][ T6305] path_mount+0x5b4/0x1000 [ 224.349998][ T6305] __arm64_sys_mount+0x514/0x5e4 [ 224.350699][ T6305] invoke_syscall+0x98/0x2b8 [ 224.351414][ T6305] el0_svc_common+0x138/0x258 [ 224.352092][ T6305] do_el0_svc+0x58/0x14c [ 224.352709][ T6305] el0_svc+0x78/0x1e0 [ 224.353291][ T6305] el0t_64_sync_handler+0xcc/0xe4 [ 224.354041][ T6305] el0t_64_sync+0x1a0/0x1a4 [ 224.356106][ T6305] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.358237][ T6305] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.488921][ T4158] Bluetooth: hci2: command 0x0419 tx timeout [ 224.491826][ T6307] loop1: detected capacity change from 0 to 32768 [ 224.530107][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.531387][ T6307] CPU: 1 PID: 6307 Comm: syz.1.649 Not tainted syzkaller #0 [ 224.532406][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.533841][ T6307] Call trace: [ 224.534308][ T6307] dump_backtrace+0x0/0x43c [ 224.534960][ T6307] show_stack+0x2c/0x3c [ 224.535663][ T6307] __dump_stack+0x30/0x40 [ 224.536371][ T6307] dump_stack_lvl+0xf8/0x160 [ 224.537065][ T6307] dump_stack+0x1c/0x5c [ 224.537733][ T6307] sysfs_create_dir_ns+0x22c/0x24c [ 224.538565][ T6307] kobject_add_internal+0x590/0xc54 [ 224.539360][ T6307] kobject_init_and_add+0x118/0x17c [ 224.540179][ T6307] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.540942][ T6307] gfs2_fill_super+0xdac/0x19e0 [ 224.541696][ T6307] get_tree_bdev+0x358/0x544 [ 224.542431][ T6307] gfs2_get_tree+0x54/0x1b4 [ 224.543143][ T6307] vfs_get_tree+0x90/0x274 [ 224.543849][ T6307] do_new_mount+0x228/0x810 [ 224.544563][ T6307] path_mount+0x5b4/0x1000 [ 224.545253][ T6307] __arm64_sys_mount+0x514/0x5e4 [ 224.546005][ T6307] invoke_syscall+0x98/0x2b8 [ 224.546695][ T6307] el0_svc_common+0x138/0x258 [ 224.547375][ T6307] do_el0_svc+0x58/0x14c [ 224.547987][ T6307] el0_svc+0x78/0x1e0 [ 224.548559][ T6307] el0t_64_sync_handler+0xcc/0xe4 [ 224.549322][ T6307] el0t_64_sync+0x1a0/0x1a4 [ 224.551769][ T6307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.553836][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.725504][ T6309] loop1: detected capacity change from 0 to 32768 [ 224.770504][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.771791][ T6309] CPU: 1 PID: 6309 Comm: syz.1.650 Not tainted syzkaller #0 [ 224.772884][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.774438][ T6309] Call trace: [ 224.774975][ T6309] dump_backtrace+0x0/0x43c [ 224.775690][ T6309] show_stack+0x2c/0x3c [ 224.776310][ T6309] __dump_stack+0x30/0x40 [ 224.776979][ T6309] dump_stack_lvl+0xf8/0x160 [ 224.777795][ T6309] dump_stack+0x1c/0x5c [ 224.778538][ T6309] sysfs_create_dir_ns+0x22c/0x24c [ 224.779438][ T6309] kobject_add_internal+0x590/0xc54 [ 224.780342][ T6309] kobject_init_and_add+0x118/0x17c [ 224.781228][ T6309] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.782004][ T6309] gfs2_fill_super+0xdac/0x19e0 [ 224.782695][ T6309] get_tree_bdev+0x358/0x544 [ 224.783477][ T6309] gfs2_get_tree+0x54/0x1b4 [ 224.784241][ T6309] vfs_get_tree+0x90/0x274 [ 224.784993][ T6309] do_new_mount+0x228/0x810 [ 224.785767][ T6309] path_mount+0x5b4/0x1000 [ 224.786467][ T6309] __arm64_sys_mount+0x514/0x5e4 [ 224.787269][ T6309] invoke_syscall+0x98/0x2b8 [ 224.788033][ T6309] el0_svc_common+0x138/0x258 [ 224.788780][ T6309] do_el0_svc+0x58/0x14c [ 224.789437][ T6309] el0_svc+0x78/0x1e0 [ 224.790066][ T6309] el0t_64_sync_handler+0xcc/0xe4 [ 224.790848][ T6309] el0t_64_sync+0x1a0/0x1a4 [ 224.793148][ T6309] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.795224][ T6309] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 224.928611][ T6311] loop1: detected capacity change from 0 to 32768 [ 224.936066][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.937367][ T6311] CPU: 1 PID: 6311 Comm: syz.1.651 Not tainted syzkaller #0 [ 224.938484][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.940038][ T6311] Call trace: [ 224.940535][ T6311] dump_backtrace+0x0/0x43c [ 224.941219][ T6311] show_stack+0x2c/0x3c [ 224.941928][ T6311] __dump_stack+0x30/0x40 [ 224.942625][ T6311] dump_stack_lvl+0xf8/0x160 [ 224.943379][ T6311] dump_stack+0x1c/0x5c [ 224.944049][ T6311] sysfs_create_dir_ns+0x22c/0x24c [ 224.944884][ T6311] kobject_add_internal+0x590/0xc54 [ 224.945687][ T6311] kobject_init_and_add+0x118/0x17c [ 224.946488][ T6311] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.947222][ T6311] gfs2_fill_super+0xdac/0x19e0 [ 224.947965][ T6311] get_tree_bdev+0x358/0x544 [ 224.948660][ T6311] gfs2_get_tree+0x54/0x1b4 [ 224.949349][ T6311] vfs_get_tree+0x90/0x274 [ 224.950148][ T6311] do_new_mount+0x228/0x810 [ 224.950893][ T6311] path_mount+0x5b4/0x1000 [ 224.951628][ T6311] __arm64_sys_mount+0x514/0x5e4 [ 224.952424][ T6311] invoke_syscall+0x98/0x2b8 [ 224.953227][ T6311] el0_svc_common+0x138/0x258 [ 224.954039][ T6311] do_el0_svc+0x58/0x14c [ 224.954779][ T6311] el0_svc+0x78/0x1e0 [ 224.955487][ T6311] el0t_64_sync_handler+0xcc/0xe4 [ 224.956326][ T6311] el0t_64_sync+0x1a0/0x1a4 [ 224.958567][ T6311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.960842][ T6311] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.091477][ T6313] loop1: detected capacity change from 0 to 32768 [ 225.135269][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.136510][ T6313] CPU: 1 PID: 6313 Comm: syz.1.652 Not tainted syzkaller #0 [ 225.137633][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.139065][ T6313] Call trace: [ 225.139604][ T6313] dump_backtrace+0x0/0x43c [ 225.140300][ T6313] show_stack+0x2c/0x3c [ 225.140915][ T6313] __dump_stack+0x30/0x40 [ 225.141643][ T6313] dump_stack_lvl+0xf8/0x160 [ 225.142347][ T6313] dump_stack+0x1c/0x5c [ 225.143013][ T6313] sysfs_create_dir_ns+0x22c/0x24c [ 225.143846][ T6313] kobject_add_internal+0x590/0xc54 [ 225.144679][ T6313] kobject_init_and_add+0x118/0x17c [ 225.145491][ T6313] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.146230][ T6313] gfs2_fill_super+0xdac/0x19e0 [ 225.146965][ T6313] get_tree_bdev+0x358/0x544 [ 225.147693][ T6313] gfs2_get_tree+0x54/0x1b4 [ 225.148393][ T6313] vfs_get_tree+0x90/0x274 [ 225.149083][ T6313] do_new_mount+0x228/0x810 [ 225.149885][ T6313] path_mount+0x5b4/0x1000 [ 225.150548][ T6313] __arm64_sys_mount+0x514/0x5e4 [ 225.151279][ T6313] invoke_syscall+0x98/0x2b8 [ 225.152096][ T6313] el0_svc_common+0x138/0x258 [ 225.152819][ T6313] do_el0_svc+0x58/0x14c [ 225.153533][ T6313] el0_svc+0x78/0x1e0 [ 225.154149][ T6313] el0t_64_sync_handler+0xcc/0xe4 [ 225.154978][ T6313] el0t_64_sync+0x1a0/0x1a4 [ 225.157200][ T6313] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.159141][ T6313] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.294578][ T6315] loop1: detected capacity change from 0 to 32768 [ 225.330084][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.331233][ T6315] CPU: 1 PID: 6315 Comm: syz.1.653 Not tainted syzkaller #0 [ 225.332253][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.333708][ T6315] Call trace: [ 225.334239][ T6315] dump_backtrace+0x0/0x43c [ 225.334906][ T6315] show_stack+0x2c/0x3c [ 225.335555][ T6315] __dump_stack+0x30/0x40 [ 225.336239][ T6315] dump_stack_lvl+0xf8/0x160 [ 225.336910][ T6315] dump_stack+0x1c/0x5c [ 225.337541][ T6315] sysfs_create_dir_ns+0x22c/0x24c [ 225.338272][ T6315] kobject_add_internal+0x590/0xc54 [ 225.339126][ T6315] kobject_init_and_add+0x118/0x17c [ 225.339908][ T6315] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.340723][ T6315] gfs2_fill_super+0xdac/0x19e0 [ 225.341458][ T6315] get_tree_bdev+0x358/0x544 [ 225.342259][ T6315] gfs2_get_tree+0x54/0x1b4 [ 225.343050][ T6315] vfs_get_tree+0x90/0x274 [ 225.343748][ T6315] do_new_mount+0x228/0x810 [ 225.344499][ T6315] path_mount+0x5b4/0x1000 [ 225.345226][ T6315] __arm64_sys_mount+0x514/0x5e4 [ 225.346010][ T6315] invoke_syscall+0x98/0x2b8 [ 225.346750][ T6315] el0_svc_common+0x138/0x258 [ 225.347506][ T6315] do_el0_svc+0x58/0x14c [ 225.348209][ T6315] el0_svc+0x78/0x1e0 [ 225.348856][ T6315] el0t_64_sync_handler+0xcc/0xe4 [ 225.349694][ T6315] el0t_64_sync+0x1a0/0x1a4 [ 225.350641][ T6315] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.352538][ T6315] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.488071][ T6317] loop1: detected capacity change from 0 to 32768 [ 225.556740][ T6317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.557881][ T6317] CPU: 0 PID: 6317 Comm: syz.1.654 Not tainted syzkaller #0 [ 225.558981][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.560544][ T6317] Call trace: [ 225.561084][ T6317] dump_backtrace+0x0/0x43c [ 225.561814][ T6317] show_stack+0x2c/0x3c [ 225.562495][ T6317] __dump_stack+0x30/0x40 [ 225.563190][ T6317] dump_stack_lvl+0xf8/0x160 [ 225.563922][ T6317] dump_stack+0x1c/0x5c [ 225.564545][ T6317] sysfs_create_dir_ns+0x22c/0x24c [ 225.565320][ T6317] kobject_add_internal+0x590/0xc54 [ 225.566064][ T6317] kobject_init_and_add+0x118/0x17c [ 225.566859][ T6317] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.567578][ T6317] gfs2_fill_super+0xdac/0x19e0 [ 225.568435][ T6317] get_tree_bdev+0x358/0x544 [ 225.569157][ T6317] gfs2_get_tree+0x54/0x1b4 [ 225.569867][ T6317] vfs_get_tree+0x90/0x274 [ 225.570628][ T6317] do_new_mount+0x228/0x810 [ 225.571409][ T6317] path_mount+0x5b4/0x1000 [ 225.572109][ T6317] __arm64_sys_mount+0x514/0x5e4 [ 225.572860][ T6317] invoke_syscall+0x98/0x2b8 [ 225.573585][ T6317] el0_svc_common+0x138/0x258 [ 225.574330][ T6317] do_el0_svc+0x58/0x14c [ 225.575007][ T6317] el0_svc+0x78/0x1e0 [ 225.575647][ T6317] el0t_64_sync_handler+0xcc/0xe4 [ 225.576415][ T6317] el0t_64_sync+0x1a0/0x1a4 [ 225.578479][ T6317] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.580624][ T6317] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.715518][ T6319] loop1: detected capacity change from 0 to 32768 [ 225.722398][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.723629][ T6319] CPU: 1 PID: 6319 Comm: syz.1.655 Not tainted syzkaller #0 [ 225.724749][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.726338][ T6319] Call trace: [ 225.726870][ T6319] dump_backtrace+0x0/0x43c [ 225.727568][ T6319] show_stack+0x2c/0x3c [ 225.728217][ T6319] __dump_stack+0x30/0x40 [ 225.728864][ T6319] dump_stack_lvl+0xf8/0x160 [ 225.729626][ T6319] dump_stack+0x1c/0x5c [ 225.730305][ T6319] sysfs_create_dir_ns+0x22c/0x24c [ 225.731008][ T6319] kobject_add_internal+0x590/0xc54 [ 225.731804][ T6319] kobject_init_and_add+0x118/0x17c [ 225.732601][ T6319] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.733344][ T6319] gfs2_fill_super+0xdac/0x19e0 [ 225.734115][ T6319] get_tree_bdev+0x358/0x544 [ 225.734875][ T6319] gfs2_get_tree+0x54/0x1b4 [ 225.735590][ T6319] vfs_get_tree+0x90/0x274 [ 225.736318][ T6319] do_new_mount+0x228/0x810 [ 225.736986][ T6319] path_mount+0x5b4/0x1000 [ 225.737655][ T6319] __arm64_sys_mount+0x514/0x5e4 [ 225.738408][ T6319] invoke_syscall+0x98/0x2b8 [ 225.739196][ T6319] el0_svc_common+0x138/0x258 [ 225.739866][ T6319] do_el0_svc+0x58/0x14c [ 225.740479][ T6319] el0_svc+0x78/0x1e0 [ 225.741070][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 225.741804][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 225.742770][ T6319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.744729][ T6319] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.908754][ T6321] loop1: detected capacity change from 0 to 32768 [ 225.916411][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.917713][ T6321] CPU: 1 PID: 6321 Comm: syz.1.656 Not tainted syzkaller #0 [ 225.918835][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.920262][ T6321] Call trace: [ 225.920804][ T6321] dump_backtrace+0x0/0x43c [ 225.921533][ T6321] show_stack+0x2c/0x3c [ 225.922166][ T6321] __dump_stack+0x30/0x40 [ 225.922842][ T6321] dump_stack_lvl+0xf8/0x160 [ 225.923548][ T6321] dump_stack+0x1c/0x5c [ 225.924194][ T6321] sysfs_create_dir_ns+0x22c/0x24c [ 225.924948][ T6321] kobject_add_internal+0x590/0xc54 [ 225.925732][ T6321] kobject_init_and_add+0x118/0x17c [ 225.926530][ T6321] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.927318][ T6321] gfs2_fill_super+0xdac/0x19e0 [ 225.928053][ T6321] get_tree_bdev+0x358/0x544 [ 225.928797][ T6321] gfs2_get_tree+0x54/0x1b4 [ 225.929439][ T6321] vfs_get_tree+0x90/0x274 [ 225.930089][ T6321] do_new_mount+0x228/0x810 [ 225.930797][ T6321] path_mount+0x5b4/0x1000 [ 225.931459][ T6321] __arm64_sys_mount+0x514/0x5e4 [ 225.932245][ T6321] invoke_syscall+0x98/0x2b8 [ 225.932986][ T6321] el0_svc_common+0x138/0x258 [ 225.933667][ T6321] do_el0_svc+0x58/0x14c [ 225.934311][ T6321] el0_svc+0x78/0x1e0 [ 225.934898][ T6321] el0t_64_sync_handler+0xcc/0xe4 [ 225.935658][ T6321] el0t_64_sync+0x1a0/0x1a4 [ 225.936530][ T6321] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.938517][ T6321] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.069691][ T6323] loop1: detected capacity change from 0 to 32768 [ 226.110076][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.111189][ T6323] CPU: 1 PID: 6323 Comm: syz.1.657 Not tainted syzkaller #0 [ 226.112361][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.113910][ T6323] Call trace: [ 226.114467][ T6323] dump_backtrace+0x0/0x43c [ 226.115202][ T6323] show_stack+0x2c/0x3c [ 226.115853][ T6323] __dump_stack+0x30/0x40 [ 226.116504][ T6323] dump_stack_lvl+0xf8/0x160 [ 226.117208][ T6323] dump_stack+0x1c/0x5c [ 226.117917][ T6323] sysfs_create_dir_ns+0x22c/0x24c [ 226.118712][ T6323] kobject_add_internal+0x590/0xc54 [ 226.119526][ T6323] kobject_init_and_add+0x118/0x17c [ 226.120358][ T6323] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.121069][ T6323] gfs2_fill_super+0xdac/0x19e0 [ 226.121831][ T6323] get_tree_bdev+0x358/0x544 [ 226.122516][ T6323] gfs2_get_tree+0x54/0x1b4 [ 226.123313][ T6323] vfs_get_tree+0x90/0x274 [ 226.124021][ T6323] do_new_mount+0x228/0x810 [ 226.124727][ T6323] path_mount+0x5b4/0x1000 [ 226.125446][ T6323] __arm64_sys_mount+0x514/0x5e4 [ 226.126201][ T6323] invoke_syscall+0x98/0x2b8 [ 226.126919][ T6323] el0_svc_common+0x138/0x258 [ 226.127615][ T6323] do_el0_svc+0x58/0x14c [ 226.128251][ T6323] el0_svc+0x78/0x1e0 [ 226.128887][ T6323] el0t_64_sync_handler+0xcc/0xe4 [ 226.129618][ T6323] el0t_64_sync+0x1a0/0x1a4 [ 226.130722][ T6323] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.132768][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.365182][ T6325] loop1: detected capacity change from 0 to 32768 [ 226.400084][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.401215][ T6325] CPU: 1 PID: 6325 Comm: syz.1.658 Not tainted syzkaller #0 [ 226.402460][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.404165][ T6325] Call trace: [ 226.404687][ T6325] dump_backtrace+0x0/0x43c [ 226.405460][ T6325] show_stack+0x2c/0x3c [ 226.406161][ T6325] __dump_stack+0x30/0x40 [ 226.406895][ T6325] dump_stack_lvl+0xf8/0x160 [ 226.407654][ T6325] dump_stack+0x1c/0x5c [ 226.408305][ T6325] sysfs_create_dir_ns+0x22c/0x24c [ 226.409130][ T6325] kobject_add_internal+0x590/0xc54 [ 226.409978][ T6325] kobject_init_and_add+0x118/0x17c [ 226.410810][ T6325] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.411611][ T6325] gfs2_fill_super+0xdac/0x19e0 [ 226.412394][ T6325] get_tree_bdev+0x358/0x544 [ 226.413213][ T6325] gfs2_get_tree+0x54/0x1b4 [ 226.413968][ T6325] vfs_get_tree+0x90/0x274 [ 226.414680][ T6325] do_new_mount+0x228/0x810 [ 226.415404][ T6325] path_mount+0x5b4/0x1000 [ 226.416081][ T6325] __arm64_sys_mount+0x514/0x5e4 [ 226.416893][ T6325] invoke_syscall+0x98/0x2b8 [ 226.417624][ T6325] el0_svc_common+0x138/0x258 [ 226.418268][ T6325] do_el0_svc+0x58/0x14c [ 226.418916][ T6325] el0_svc+0x78/0x1e0 [ 226.419518][ T6325] el0t_64_sync_handler+0xcc/0xe4 [ 226.420256][ T6325] el0t_64_sync+0x1a0/0x1a4 [ 226.421180][ T6325] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.423214][ T6325] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.556850][ T6327] loop1: detected capacity change from 0 to 32768 [ 226.565392][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.566615][ T6327] CPU: 0 PID: 6327 Comm: syz.1.659 Not tainted syzkaller #0 [ 226.567666][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.569073][ T6327] Call trace: [ 226.569558][ T6327] dump_backtrace+0x0/0x43c [ 226.570281][ T6327] show_stack+0x2c/0x3c [ 226.570909][ T6327] __dump_stack+0x30/0x40 [ 226.571614][ T6327] dump_stack_lvl+0xf8/0x160 [ 226.572340][ T6327] dump_stack+0x1c/0x5c [ 226.572974][ T6327] sysfs_create_dir_ns+0x22c/0x24c [ 226.573777][ T6327] kobject_add_internal+0x590/0xc54 [ 226.574552][ T6327] kobject_init_and_add+0x118/0x17c [ 226.575327][ T6327] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.576008][ T6327] gfs2_fill_super+0xdac/0x19e0 [ 226.576702][ T6327] get_tree_bdev+0x358/0x544 [ 226.577344][ T6327] gfs2_get_tree+0x54/0x1b4 [ 226.577962][ T6327] vfs_get_tree+0x90/0x274 [ 226.578654][ T6327] do_new_mount+0x228/0x810 [ 226.579274][ T6327] path_mount+0x5b4/0x1000 [ 226.579898][ T6327] __arm64_sys_mount+0x514/0x5e4 [ 226.580597][ T6327] invoke_syscall+0x98/0x2b8 [ 226.581295][ T6327] el0_svc_common+0x138/0x258 [ 226.581959][ T6327] do_el0_svc+0x58/0x14c [ 226.582573][ T6327] el0_svc+0x78/0x1e0 [ 226.583224][ T6327] el0t_64_sync_handler+0xcc/0xe4 [ 226.584002][ T6327] el0t_64_sync+0x1a0/0x1a4 [ 226.586174][ T6327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.588235][ T6327] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.751592][ T6329] loop1: detected capacity change from 0 to 32768 [ 226.800084][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.801270][ T6329] CPU: 0 PID: 6329 Comm: syz.1.660 Not tainted syzkaller #0 [ 226.802372][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.803675][ T6329] Call trace: [ 226.804184][ T6329] dump_backtrace+0x0/0x43c [ 226.804887][ T6329] show_stack+0x2c/0x3c [ 226.805502][ T6329] __dump_stack+0x30/0x40 [ 226.806122][ T6329] dump_stack_lvl+0xf8/0x160 [ 226.806811][ T6329] dump_stack+0x1c/0x5c [ 226.807459][ T6329] sysfs_create_dir_ns+0x22c/0x24c [ 226.808286][ T6329] kobject_add_internal+0x590/0xc54 [ 226.809084][ T6329] kobject_init_and_add+0x118/0x17c [ 226.809938][ T6329] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.810650][ T6329] gfs2_fill_super+0xdac/0x19e0 [ 226.811437][ T6329] get_tree_bdev+0x358/0x544 [ 226.812223][ T6329] gfs2_get_tree+0x54/0x1b4 [ 226.813010][ T6329] vfs_get_tree+0x90/0x274 [ 226.813689][ T6329] do_new_mount+0x228/0x810 [ 226.814482][ T6329] path_mount+0x5b4/0x1000 [ 226.815166][ T6329] __arm64_sys_mount+0x514/0x5e4 [ 226.815995][ T6329] invoke_syscall+0x98/0x2b8 [ 226.816772][ T6329] el0_svc_common+0x138/0x258 [ 226.817563][ T6329] do_el0_svc+0x58/0x14c [ 226.818273][ T6329] el0_svc+0x78/0x1e0 [ 226.818902][ T6329] el0t_64_sync_handler+0xcc/0xe4 [ 226.819760][ T6329] el0t_64_sync+0x1a0/0x1a4 [ 226.821055][ T6329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.823187][ T6329] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.960897][ T6331] loop1: detected capacity change from 0 to 32768 [ 227.005752][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.007056][ T6331] CPU: 1 PID: 6331 Comm: syz.1.661 Not tainted syzkaller #0 [ 227.008096][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.009661][ T6331] Call trace: [ 227.010190][ T6331] dump_backtrace+0x0/0x43c [ 227.010922][ T6331] show_stack+0x2c/0x3c [ 227.011609][ T6331] __dump_stack+0x30/0x40 [ 227.012286][ T6331] dump_stack_lvl+0xf8/0x160 [ 227.012966][ T6331] dump_stack+0x1c/0x5c [ 227.013616][ T6331] sysfs_create_dir_ns+0x22c/0x24c [ 227.014447][ T6331] kobject_add_internal+0x590/0xc54 [ 227.015233][ T6331] kobject_init_and_add+0x118/0x17c [ 227.015994][ T6331] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.016666][ T6331] gfs2_fill_super+0xdac/0x19e0 [ 227.017359][ T6331] get_tree_bdev+0x358/0x544 [ 227.018057][ T6331] gfs2_get_tree+0x54/0x1b4 [ 227.018704][ T6331] vfs_get_tree+0x90/0x274 [ 227.019347][ T6331] do_new_mount+0x228/0x810 [ 227.019998][ T6331] path_mount+0x5b4/0x1000 [ 227.020765][ T6331] __arm64_sys_mount+0x514/0x5e4 [ 227.021575][ T6331] invoke_syscall+0x98/0x2b8 [ 227.022302][ T6331] el0_svc_common+0x138/0x258 [ 227.023009][ T6331] do_el0_svc+0x58/0x14c [ 227.023690][ T6331] el0_svc+0x78/0x1e0 [ 227.024306][ T6331] el0t_64_sync_handler+0xcc/0xe4 [ 227.025145][ T6331] el0t_64_sync+0x1a0/0x1a4 [ 227.027239][ T6331] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.029404][ T6331] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.158261][ T6333] loop1: detected capacity change from 0 to 32768 [ 227.165453][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.166612][ T6333] CPU: 1 PID: 6333 Comm: syz.1.662 Not tainted syzkaller #0 [ 227.167657][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.169045][ T6333] Call trace: [ 227.169515][ T6333] dump_backtrace+0x0/0x43c [ 227.170169][ T6333] show_stack+0x2c/0x3c [ 227.170763][ T6333] __dump_stack+0x30/0x40 [ 227.171374][ T6333] dump_stack_lvl+0xf8/0x160 [ 227.172052][ T6333] dump_stack+0x1c/0x5c [ 227.172711][ T6333] sysfs_create_dir_ns+0x22c/0x24c [ 227.173486][ T6333] kobject_add_internal+0x590/0xc54 [ 227.174244][ T6333] kobject_init_and_add+0x118/0x17c [ 227.174996][ T6333] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.175706][ T6333] gfs2_fill_super+0xdac/0x19e0 [ 227.176436][ T6333] get_tree_bdev+0x358/0x544 [ 227.177135][ T6333] gfs2_get_tree+0x54/0x1b4 [ 227.177927][ T6333] vfs_get_tree+0x90/0x274 [ 227.178674][ T6333] do_new_mount+0x228/0x810 [ 227.179414][ T6333] path_mount+0x5b4/0x1000 [ 227.180134][ T6333] __arm64_sys_mount+0x514/0x5e4 [ 227.180920][ T6333] invoke_syscall+0x98/0x2b8 [ 227.181728][ T6333] el0_svc_common+0x138/0x258 [ 227.182553][ T6333] do_el0_svc+0x58/0x14c [ 227.183311][ T6333] el0_svc+0x78/0x1e0 [ 227.184004][ T6333] el0t_64_sync_handler+0xcc/0xe4 [ 227.184836][ T6333] el0t_64_sync+0x1a0/0x1a4 [ 227.187022][ T6333] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.189184][ T6333] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.324253][ T6335] loop1: detected capacity change from 0 to 32768 [ 227.360005][ T6335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.361225][ T6335] CPU: 0 PID: 6335 Comm: syz.1.663 Not tainted syzkaller #0 [ 227.362377][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.363887][ T6335] Call trace: [ 227.364404][ T6335] dump_backtrace+0x0/0x43c [ 227.365162][ T6335] show_stack+0x2c/0x3c [ 227.365771][ T6335] __dump_stack+0x30/0x40 [ 227.366403][ T6335] dump_stack_lvl+0xf8/0x160 [ 227.367102][ T6335] dump_stack+0x1c/0x5c [ 227.367688][ T6335] sysfs_create_dir_ns+0x22c/0x24c [ 227.368452][ T6335] kobject_add_internal+0x590/0xc54 [ 227.369318][ T6335] kobject_init_and_add+0x118/0x17c [ 227.370173][ T6335] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.370940][ T6335] gfs2_fill_super+0xdac/0x19e0 [ 227.371670][ T6335] get_tree_bdev+0x358/0x544 [ 227.372412][ T6335] gfs2_get_tree+0x54/0x1b4 [ 227.373157][ T6335] vfs_get_tree+0x90/0x274 [ 227.373923][ T6335] do_new_mount+0x228/0x810 [ 227.374718][ T6335] path_mount+0x5b4/0x1000 [ 227.375452][ T6335] __arm64_sys_mount+0x514/0x5e4 [ 227.376271][ T6335] invoke_syscall+0x98/0x2b8 [ 227.376956][ T6335] el0_svc_common+0x138/0x258 [ 227.377697][ T6335] do_el0_svc+0x58/0x14c [ 227.378333][ T6335] el0_svc+0x78/0x1e0 [ 227.378922][ T6335] el0t_64_sync_handler+0xcc/0xe4 [ 227.379729][ T6335] el0t_64_sync+0x1a0/0x1a4 [ 227.380679][ T6335] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.382679][ T6335] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.512531][ T6337] loop1: detected capacity change from 0 to 32768 [ 227.520007][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.521148][ T6337] CPU: 1 PID: 6337 Comm: syz.1.664 Not tainted syzkaller #0 [ 227.522285][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.523766][ T6337] Call trace: [ 227.524269][ T6337] dump_backtrace+0x0/0x43c [ 227.524914][ T6337] show_stack+0x2c/0x3c [ 227.525524][ T6337] __dump_stack+0x30/0x40 [ 227.526133][ T6337] dump_stack_lvl+0xf8/0x160 [ 227.526864][ T6337] dump_stack+0x1c/0x5c [ 227.527527][ T6337] sysfs_create_dir_ns+0x22c/0x24c [ 227.528299][ T6337] kobject_add_internal+0x590/0xc54 [ 227.529107][ T6337] kobject_init_and_add+0x118/0x17c [ 227.529883][ T6337] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.530605][ T6337] gfs2_fill_super+0xdac/0x19e0 [ 227.531413][ T6337] get_tree_bdev+0x358/0x544 [ 227.532088][ T6337] gfs2_get_tree+0x54/0x1b4 [ 227.532876][ T6337] vfs_get_tree+0x90/0x274 [ 227.533627][ T6337] do_new_mount+0x228/0x810 [ 227.534411][ T6337] path_mount+0x5b4/0x1000 [ 227.535161][ T6337] __arm64_sys_mount+0x514/0x5e4 [ 227.535972][ T6337] invoke_syscall+0x98/0x2b8 [ 227.536669][ T6337] el0_svc_common+0x138/0x258 [ 227.537354][ T6337] do_el0_svc+0x58/0x14c [ 227.537957][ T6337] el0_svc+0x78/0x1e0 [ 227.538540][ T6337] el0t_64_sync_handler+0xcc/0xe4 [ 227.539271][ T6337] el0t_64_sync+0x1a0/0x1a4 [ 227.540105][ T6337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.542022][ T6337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.679641][ T6339] loop1: detected capacity change from 0 to 32768 [ 227.720182][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.721370][ T6339] CPU: 1 PID: 6339 Comm: syz.1.665 Not tainted syzkaller #0 [ 227.722528][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.724030][ T6339] Call trace: [ 227.724481][ T6339] dump_backtrace+0x0/0x43c [ 227.725091][ T6339] show_stack+0x2c/0x3c [ 227.725709][ T6339] __dump_stack+0x30/0x40 [ 227.726359][ T6339] dump_stack_lvl+0xf8/0x160 [ 227.727012][ T6339] dump_stack+0x1c/0x5c [ 227.727608][ T6339] sysfs_create_dir_ns+0x22c/0x24c [ 227.728361][ T6339] kobject_add_internal+0x590/0xc54 [ 227.729136][ T6339] kobject_init_and_add+0x118/0x17c [ 227.729901][ T6339] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.730611][ T6339] gfs2_fill_super+0xdac/0x19e0 [ 227.731298][ T6339] get_tree_bdev+0x358/0x544 [ 227.732012][ T6339] gfs2_get_tree+0x54/0x1b4 [ 227.732764][ T6339] vfs_get_tree+0x90/0x274 [ 227.733480][ T6339] do_new_mount+0x228/0x810 [ 227.734183][ T6339] path_mount+0x5b4/0x1000 [ 227.734998][ T6339] __arm64_sys_mount+0x514/0x5e4 [ 227.735872][ T6339] invoke_syscall+0x98/0x2b8 [ 227.736660][ T6339] el0_svc_common+0x138/0x258 [ 227.737402][ T6339] do_el0_svc+0x58/0x14c [ 227.738127][ T6339] el0_svc+0x78/0x1e0 [ 227.738757][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 227.739563][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 227.741742][ T6339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.743996][ T6339] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.875312][ T6341] loop1: detected capacity change from 0 to 32768 [ 227.920361][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.922109][ T6341] CPU: 1 PID: 6341 Comm: syz.1.666 Not tainted syzkaller #0 [ 227.923163][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.924656][ T6341] Call trace: [ 227.925122][ T6341] dump_backtrace+0x0/0x43c [ 227.925777][ T6341] show_stack+0x2c/0x3c [ 227.926366][ T6341] __dump_stack+0x30/0x40 [ 227.926996][ T6341] dump_stack_lvl+0xf8/0x160 [ 227.927729][ T6341] dump_stack+0x1c/0x5c [ 227.928424][ T6341] sysfs_create_dir_ns+0x22c/0x24c [ 227.929335][ T6341] kobject_add_internal+0x590/0xc54 [ 227.930209][ T6341] kobject_init_and_add+0x118/0x17c [ 227.931030][ T6341] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.931905][ T6341] gfs2_fill_super+0xdac/0x19e0 [ 227.932683][ T6341] get_tree_bdev+0x358/0x544 [ 227.933421][ T6341] gfs2_get_tree+0x54/0x1b4 [ 227.934051][ T6341] vfs_get_tree+0x90/0x274 [ 227.934690][ T6341] do_new_mount+0x228/0x810 [ 227.935370][ T6341] path_mount+0x5b4/0x1000 [ 227.935999][ T6341] __arm64_sys_mount+0x514/0x5e4 [ 227.936690][ T6341] invoke_syscall+0x98/0x2b8 [ 227.937399][ T6341] el0_svc_common+0x138/0x258 [ 227.938064][ T6341] do_el0_svc+0x58/0x14c [ 227.938645][ T6341] el0_svc+0x78/0x1e0 [ 227.939235][ T6341] el0t_64_sync_handler+0xcc/0xe4 [ 227.940044][ T6341] el0t_64_sync+0x1a0/0x1a4 [ 227.942200][ T6341] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.944301][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:03:47 executed programs: 653 [ 228.083585][ T6343] loop1: detected capacity change from 0 to 32768 [ 228.124803][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.126038][ T6343] CPU: 0 PID: 6343 Comm: syz.1.667 Not tainted syzkaller #0 [ 228.127130][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.128674][ T6343] Call trace: [ 228.129249][ T6343] dump_backtrace+0x0/0x43c [ 228.130002][ T6343] show_stack+0x2c/0x3c [ 228.130713][ T6343] __dump_stack+0x30/0x40 [ 228.131439][ T6343] dump_stack_lvl+0xf8/0x160 [ 228.132158][ T6343] dump_stack+0x1c/0x5c [ 228.132835][ T6343] sysfs_create_dir_ns+0x22c/0x24c [ 228.133639][ T6343] kobject_add_internal+0x590/0xc54 [ 228.134517][ T6343] kobject_init_and_add+0x118/0x17c [ 228.135355][ T6343] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.136084][ T6343] gfs2_fill_super+0xdac/0x19e0 [ 228.136794][ T6343] get_tree_bdev+0x358/0x544 [ 228.137454][ T6343] gfs2_get_tree+0x54/0x1b4 [ 228.138060][ T6343] vfs_get_tree+0x90/0x274 [ 228.138761][ T6343] do_new_mount+0x228/0x810 [ 228.139456][ T6343] path_mount+0x5b4/0x1000 [ 228.140136][ T6343] __arm64_sys_mount+0x514/0x5e4 [ 228.140881][ T6343] invoke_syscall+0x98/0x2b8 [ 228.141572][ T6343] el0_svc_common+0x138/0x258 [ 228.142272][ T6343] do_el0_svc+0x58/0x14c [ 228.142890][ T6343] el0_svc+0x78/0x1e0 [ 228.143529][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 228.144333][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 228.146500][ T6343] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.148418][ T6343] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.277848][ T6345] loop1: detected capacity change from 0 to 32768 [ 228.344221][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.345493][ T6345] CPU: 0 PID: 6345 Comm: syz.1.668 Not tainted syzkaller #0 [ 228.346585][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.348029][ T6345] Call trace: [ 228.348498][ T6345] dump_backtrace+0x0/0x43c [ 228.349161][ T6345] show_stack+0x2c/0x3c [ 228.349807][ T6345] __dump_stack+0x30/0x40 [ 228.350541][ T6345] dump_stack_lvl+0xf8/0x160 [ 228.351235][ T6345] dump_stack+0x1c/0x5c [ 228.351835][ T6345] sysfs_create_dir_ns+0x22c/0x24c [ 228.352546][ T6345] kobject_add_internal+0x590/0xc54 [ 228.353273][ T6345] kobject_init_and_add+0x118/0x17c [ 228.354047][ T6345] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.354766][ T6345] gfs2_fill_super+0xdac/0x19e0 [ 228.355471][ T6345] get_tree_bdev+0x358/0x544 [ 228.356125][ T6345] gfs2_get_tree+0x54/0x1b4 [ 228.356799][ T6345] vfs_get_tree+0x90/0x274 [ 228.357563][ T6345] do_new_mount+0x228/0x810 [ 228.358295][ T6345] path_mount+0x5b4/0x1000 [ 228.358968][ T6345] __arm64_sys_mount+0x514/0x5e4 [ 228.359715][ T6345] invoke_syscall+0x98/0x2b8 [ 228.360418][ T6345] el0_svc_common+0x138/0x258 [ 228.361100][ T6345] do_el0_svc+0x58/0x14c [ 228.361699][ T6345] el0_svc+0x78/0x1e0 [ 228.362270][ T6345] el0t_64_sync_handler+0xcc/0xe4 [ 228.362937][ T6345] el0t_64_sync+0x1a0/0x1a4 [ 228.364997][ T6345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.367060][ T6345] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.495625][ T6347] loop1: detected capacity change from 0 to 32768 [ 228.550638][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.551858][ T6347] CPU: 1 PID: 6347 Comm: syz.1.669 Not tainted syzkaller #0 [ 228.552925][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.554577][ T6347] Call trace: [ 228.555038][ T6347] dump_backtrace+0x0/0x43c [ 228.555716][ T6347] show_stack+0x2c/0x3c [ 228.556328][ T6347] __dump_stack+0x30/0x40 [ 228.556960][ T6347] dump_stack_lvl+0xf8/0x160 [ 228.557600][ T6347] dump_stack+0x1c/0x5c [ 228.558311][ T6347] sysfs_create_dir_ns+0x22c/0x24c [ 228.559174][ T6347] kobject_add_internal+0x590/0xc54 [ 228.560066][ T6347] kobject_init_and_add+0x118/0x17c [ 228.560852][ T6347] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.561651][ T6347] gfs2_fill_super+0xdac/0x19e0 [ 228.562426][ T6347] get_tree_bdev+0x358/0x544 [ 228.563148][ T6347] gfs2_get_tree+0x54/0x1b4 [ 228.563862][ T6347] vfs_get_tree+0x90/0x274 [ 228.564523][ T6347] do_new_mount+0x228/0x810 [ 228.565223][ T6347] path_mount+0x5b4/0x1000 [ 228.565892][ T6347] __arm64_sys_mount+0x514/0x5e4 [ 228.566597][ T6347] invoke_syscall+0x98/0x2b8 [ 228.567270][ T6347] el0_svc_common+0x138/0x258 [ 228.567980][ T6347] do_el0_svc+0x58/0x14c [ 228.568574][ T6347] el0_svc+0x78/0x1e0 [ 228.569225][ T6347] el0t_64_sync_handler+0xcc/0xe4 [ 228.570046][ T6347] el0t_64_sync+0x1a0/0x1a4 [ 228.571019][ T6347] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.573067][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.737752][ T6349] loop1: detected capacity change from 0 to 32768 [ 228.744133][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.745429][ T6349] CPU: 0 PID: 6349 Comm: syz.1.670 Not tainted syzkaller #0 [ 228.746569][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.748079][ T6349] Call trace: [ 228.748586][ T6349] dump_backtrace+0x0/0x43c [ 228.749321][ T6349] show_stack+0x2c/0x3c [ 228.750038][ T6349] __dump_stack+0x30/0x40 [ 228.750747][ T6349] dump_stack_lvl+0xf8/0x160 [ 228.751427][ T6349] dump_stack+0x1c/0x5c [ 228.752033][ T6349] sysfs_create_dir_ns+0x22c/0x24c [ 228.752793][ T6349] kobject_add_internal+0x590/0xc54 [ 228.753525][ T6349] kobject_init_and_add+0x118/0x17c [ 228.754358][ T6349] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.755048][ T6349] gfs2_fill_super+0xdac/0x19e0 [ 228.755888][ T6349] get_tree_bdev+0x358/0x544 [ 228.756666][ T6349] gfs2_get_tree+0x54/0x1b4 [ 228.757417][ T6349] vfs_get_tree+0x90/0x274 [ 228.758103][ T6349] do_new_mount+0x228/0x810 [ 228.758770][ T6349] path_mount+0x5b4/0x1000 [ 228.759416][ T6349] __arm64_sys_mount+0x514/0x5e4 [ 228.760143][ T6349] invoke_syscall+0x98/0x2b8 [ 228.760759][ T6349] el0_svc_common+0x138/0x258 [ 228.761506][ T6349] do_el0_svc+0x58/0x14c [ 228.762117][ T6349] el0_svc+0x78/0x1e0 [ 228.762663][ T6349] el0t_64_sync_handler+0xcc/0xe4 [ 228.763352][ T6349] el0t_64_sync+0x1a0/0x1a4 [ 228.766114][ T6349] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.768099][ T6349] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.896873][ T6351] loop1: detected capacity change from 0 to 32768 [ 228.950057][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.951368][ T6351] CPU: 1 PID: 6351 Comm: syz.1.671 Not tainted syzkaller #0 [ 228.952515][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.954038][ T6351] Call trace: [ 228.954549][ T6351] dump_backtrace+0x0/0x43c [ 228.955258][ T6351] show_stack+0x2c/0x3c [ 228.955943][ T6351] __dump_stack+0x30/0x40 [ 228.956623][ T6351] dump_stack_lvl+0xf8/0x160 [ 228.957379][ T6351] dump_stack+0x1c/0x5c [ 228.958074][ T6351] sysfs_create_dir_ns+0x22c/0x24c [ 228.958933][ T6351] kobject_add_internal+0x590/0xc54 [ 228.959794][ T6351] kobject_init_and_add+0x118/0x17c [ 228.960703][ T6351] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.961539][ T6351] gfs2_fill_super+0xdac/0x19e0 [ 228.962391][ T6351] get_tree_bdev+0x358/0x544 [ 228.963197][ T6351] gfs2_get_tree+0x54/0x1b4 [ 228.963937][ T6351] vfs_get_tree+0x90/0x274 [ 228.964660][ T6351] do_new_mount+0x228/0x810 [ 228.965383][ T6351] path_mount+0x5b4/0x1000 [ 228.966080][ T6351] __arm64_sys_mount+0x514/0x5e4 [ 228.966857][ T6351] invoke_syscall+0x98/0x2b8 [ 228.967581][ T6351] el0_svc_common+0x138/0x258 [ 228.968264][ T6351] do_el0_svc+0x58/0x14c [ 228.968884][ T6351] el0_svc+0x78/0x1e0 [ 228.969468][ T6351] el0t_64_sync_handler+0xcc/0xe4 [ 228.970266][ T6351] el0t_64_sync+0x1a0/0x1a4 [ 228.971621][ T6351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.973727][ T6351] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.109646][ T6353] loop1: detected capacity change from 0 to 32768 [ 229.184708][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.185976][ T6353] CPU: 1 PID: 6353 Comm: syz.1.672 Not tainted syzkaller #0 [ 229.187022][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.188383][ T6353] Call trace: [ 229.188827][ T6353] dump_backtrace+0x0/0x43c [ 229.189626][ T6353] show_stack+0x2c/0x3c [ 229.190303][ T6353] __dump_stack+0x30/0x40 [ 229.191002][ T6353] dump_stack_lvl+0xf8/0x160 [ 229.191778][ T6353] dump_stack+0x1c/0x5c [ 229.192458][ T6353] sysfs_create_dir_ns+0x22c/0x24c [ 229.193294][ T6353] kobject_add_internal+0x590/0xc54 [ 229.194138][ T6353] kobject_init_and_add+0x118/0x17c [ 229.194975][ T6353] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.195749][ T6353] gfs2_fill_super+0xdac/0x19e0 [ 229.196561][ T6353] get_tree_bdev+0x358/0x544 [ 229.197327][ T6353] gfs2_get_tree+0x54/0x1b4 [ 229.198096][ T6353] vfs_get_tree+0x90/0x274 [ 229.198879][ T6353] do_new_mount+0x228/0x810 [ 229.199602][ T6353] path_mount+0x5b4/0x1000 [ 229.200313][ T6353] __arm64_sys_mount+0x514/0x5e4 [ 229.201139][ T6353] invoke_syscall+0x98/0x2b8 [ 229.201892][ T6353] el0_svc_common+0x138/0x258 [ 229.202665][ T6353] do_el0_svc+0x58/0x14c [ 229.203345][ T6353] el0_svc+0x78/0x1e0 [ 229.204014][ T6353] el0t_64_sync_handler+0xcc/0xe4 [ 229.204826][ T6353] el0t_64_sync+0x1a0/0x1a4 [ 229.207163][ T6353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.209418][ T6353] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.341368][ T6355] loop1: detected capacity change from 0 to 32768 [ 229.448929][ T6355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.450114][ T6355] CPU: 0 PID: 6355 Comm: syz.1.673 Not tainted syzkaller #0 [ 229.451205][ T6355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.452663][ T6355] Call trace: [ 229.453105][ T6355] dump_backtrace+0x0/0x43c [ 229.453695][ T6355] show_stack+0x2c/0x3c [ 229.454272][ T6355] __dump_stack+0x30/0x40 [ 229.454864][ T6355] dump_stack_lvl+0xf8/0x160 [ 229.455531][ T6355] dump_stack+0x1c/0x5c [ 229.456110][ T6355] sysfs_create_dir_ns+0x22c/0x24c [ 229.456813][ T6355] kobject_add_internal+0x590/0xc54 [ 229.457536][ T6355] kobject_init_and_add+0x118/0x17c [ 229.458244][ T6355] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.458880][ T6355] gfs2_fill_super+0xdac/0x19e0 [ 229.459584][ T6355] get_tree_bdev+0x358/0x544 [ 229.460227][ T6355] gfs2_get_tree+0x54/0x1b4 [ 229.460952][ T6355] vfs_get_tree+0x90/0x274 [ 229.461653][ T6355] do_new_mount+0x228/0x810 [ 229.462310][ T6355] path_mount+0x5b4/0x1000 [ 229.462966][ T6355] __arm64_sys_mount+0x514/0x5e4 [ 229.463697][ T6355] invoke_syscall+0x98/0x2b8 [ 229.464402][ T6355] el0_svc_common+0x138/0x258 [ 229.465118][ T6355] do_el0_svc+0x58/0x14c [ 229.465786][ T6355] el0_svc+0x78/0x1e0 [ 229.466398][ T6355] el0t_64_sync_handler+0xcc/0xe4 [ 229.467117][ T6355] el0t_64_sync+0x1a0/0x1a4 [ 229.467985][ T6355] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.470073][ T6355] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.600063][ T6357] loop1: detected capacity change from 0 to 32768 [ 229.660206][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.661416][ T6357] CPU: 1 PID: 6357 Comm: syz.1.674 Not tainted syzkaller #0 [ 229.662476][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.663923][ T6357] Call trace: [ 229.664382][ T6357] dump_backtrace+0x0/0x43c [ 229.664992][ T6357] show_stack+0x2c/0x3c [ 229.665651][ T6357] __dump_stack+0x30/0x40 [ 229.666325][ T6357] dump_stack_lvl+0xf8/0x160 [ 229.667043][ T6357] dump_stack+0x1c/0x5c [ 229.667689][ T6357] sysfs_create_dir_ns+0x22c/0x24c [ 229.668391][ T6357] kobject_add_internal+0x590/0xc54 [ 229.669158][ T6357] kobject_init_and_add+0x118/0x17c [ 229.669923][ T6357] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.670652][ T6357] gfs2_fill_super+0xdac/0x19e0 [ 229.671374][ T6357] get_tree_bdev+0x358/0x544 [ 229.672149][ T6357] gfs2_get_tree+0x54/0x1b4 [ 229.672852][ T6357] vfs_get_tree+0x90/0x274 [ 229.673563][ T6357] do_new_mount+0x228/0x810 [ 229.674264][ T6357] path_mount+0x5b4/0x1000 [ 229.674972][ T6357] __arm64_sys_mount+0x514/0x5e4 [ 229.675777][ T6357] invoke_syscall+0x98/0x2b8 [ 229.676511][ T6357] el0_svc_common+0x138/0x258 [ 229.677286][ T6357] do_el0_svc+0x58/0x14c [ 229.677987][ T6357] el0_svc+0x78/0x1e0 [ 229.678569][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 229.679369][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 229.681465][ T6357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.683330][ T6357] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.830410][ T6359] loop1: detected capacity change from 0 to 32768 [ 229.884966][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.886268][ T6359] CPU: 0 PID: 6359 Comm: syz.1.675 Not tainted syzkaller #0 [ 229.887410][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.888987][ T6359] Call trace: [ 229.889474][ T6359] dump_backtrace+0x0/0x43c [ 229.890128][ T6359] show_stack+0x2c/0x3c [ 229.890734][ T6359] __dump_stack+0x30/0x40 [ 229.891371][ T6359] dump_stack_lvl+0xf8/0x160 [ 229.892116][ T6359] dump_stack+0x1c/0x5c [ 229.892703][ T6359] sysfs_create_dir_ns+0x22c/0x24c [ 229.893462][ T6359] kobject_add_internal+0x590/0xc54 [ 229.894206][ T6359] kobject_init_and_add+0x118/0x17c [ 229.894964][ T6359] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.895769][ T6359] gfs2_fill_super+0xdac/0x19e0 [ 229.896525][ T6359] get_tree_bdev+0x358/0x544 [ 229.897222][ T6359] gfs2_get_tree+0x54/0x1b4 [ 229.897887][ T6359] vfs_get_tree+0x90/0x274 [ 229.898566][ T6359] do_new_mount+0x228/0x810 [ 229.899253][ T6359] path_mount+0x5b4/0x1000 [ 229.899928][ T6359] __arm64_sys_mount+0x514/0x5e4 [ 229.900649][ T6359] invoke_syscall+0x98/0x2b8 [ 229.901405][ T6359] el0_svc_common+0x138/0x258 [ 229.902169][ T6359] do_el0_svc+0x58/0x14c [ 229.902803][ T6359] el0_svc+0x78/0x1e0 [ 229.903390][ T6359] el0t_64_sync_handler+0xcc/0xe4 [ 229.904155][ T6359] el0t_64_sync+0x1a0/0x1a4 [ 229.905644][ T6359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.908049][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.046644][ T6361] loop1: detected capacity change from 0 to 32768 [ 230.104703][ T6361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.105973][ T6361] CPU: 0 PID: 6361 Comm: syz.1.676 Not tainted syzkaller #0 [ 230.107146][ T6361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.108683][ T6361] Call trace: [ 230.109151][ T6361] dump_backtrace+0x0/0x43c [ 230.109759][ T6361] show_stack+0x2c/0x3c [ 230.110337][ T6361] __dump_stack+0x30/0x40 [ 230.110921][ T6361] dump_stack_lvl+0xf8/0x160 [ 230.111679][ T6361] dump_stack+0x1c/0x5c [ 230.112335][ T6361] sysfs_create_dir_ns+0x22c/0x24c [ 230.113107][ T6361] kobject_add_internal+0x590/0xc54 [ 230.113877][ T6361] kobject_init_and_add+0x118/0x17c [ 230.114780][ T6361] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.115626][ T6361] gfs2_fill_super+0xdac/0x19e0 [ 230.116477][ T6361] get_tree_bdev+0x358/0x544 [ 230.117173][ T6361] gfs2_get_tree+0x54/0x1b4 [ 230.117809][ T6361] vfs_get_tree+0x90/0x274 [ 230.118501][ T6361] do_new_mount+0x228/0x810 [ 230.119234][ T6361] path_mount+0x5b4/0x1000 [ 230.119936][ T6361] __arm64_sys_mount+0x514/0x5e4 [ 230.120744][ T6361] invoke_syscall+0x98/0x2b8 [ 230.121481][ T6361] el0_svc_common+0x138/0x258 [ 230.122190][ T6361] do_el0_svc+0x58/0x14c [ 230.122842][ T6361] el0_svc+0x78/0x1e0 [ 230.123480][ T6361] el0t_64_sync_handler+0xcc/0xe4 [ 230.124256][ T6361] el0t_64_sync+0x1a0/0x1a4 [ 230.126660][ T6361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.128778][ T6361] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.262338][ T6363] loop1: detected capacity change from 0 to 32768 [ 230.302975][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.304224][ T6363] CPU: 1 PID: 6363 Comm: syz.1.677 Not tainted syzkaller #0 [ 230.305333][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.306787][ T6363] Call trace: [ 230.307246][ T6363] dump_backtrace+0x0/0x43c [ 230.307908][ T6363] show_stack+0x2c/0x3c [ 230.308503][ T6363] __dump_stack+0x30/0x40 [ 230.309131][ T6363] dump_stack_lvl+0xf8/0x160 [ 230.309798][ T6363] dump_stack+0x1c/0x5c [ 230.310395][ T6363] sysfs_create_dir_ns+0x22c/0x24c [ 230.311124][ T6363] kobject_add_internal+0x590/0xc54 [ 230.311994][ T6363] kobject_init_and_add+0x118/0x17c [ 230.312897][ T6363] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.313753][ T6363] gfs2_fill_super+0xdac/0x19e0 [ 230.314551][ T6363] get_tree_bdev+0x358/0x544 [ 230.315320][ T6363] gfs2_get_tree+0x54/0x1b4 [ 230.315989][ T6363] vfs_get_tree+0x90/0x274 [ 230.316662][ T6363] do_new_mount+0x228/0x810 [ 230.317381][ T6363] path_mount+0x5b4/0x1000 [ 230.318070][ T6363] __arm64_sys_mount+0x514/0x5e4 [ 230.318797][ T6363] invoke_syscall+0x98/0x2b8 [ 230.319513][ T6363] el0_svc_common+0x138/0x258 [ 230.320204][ T6363] do_el0_svc+0x58/0x14c [ 230.320858][ T6363] el0_svc+0x78/0x1e0 [ 230.321500][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 230.322286][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 230.323338][ T6363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.325397][ T6363] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.509706][ T6365] loop1: detected capacity change from 0 to 32768 [ 230.560203][ T6365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.561465][ T6365] CPU: 1 PID: 6365 Comm: syz.1.678 Not tainted syzkaller #0 [ 230.562624][ T6365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.564069][ T6365] Call trace: [ 230.564549][ T6365] dump_backtrace+0x0/0x43c [ 230.565187][ T6365] show_stack+0x2c/0x3c [ 230.565812][ T6365] __dump_stack+0x30/0x40 [ 230.566397][ T6365] dump_stack_lvl+0xf8/0x160 [ 230.567087][ T6365] dump_stack+0x1c/0x5c [ 230.567721][ T6365] sysfs_create_dir_ns+0x22c/0x24c [ 230.568540][ T6365] kobject_add_internal+0x590/0xc54 [ 230.569342][ T6365] kobject_init_and_add+0x118/0x17c [ 230.570208][ T6365] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.570926][ T6365] gfs2_fill_super+0xdac/0x19e0 [ 230.571656][ T6365] get_tree_bdev+0x358/0x544 [ 230.572362][ T6365] gfs2_get_tree+0x54/0x1b4 [ 230.573058][ T6365] vfs_get_tree+0x90/0x274 [ 230.573846][ T6365] do_new_mount+0x228/0x810 [ 230.574575][ T6365] path_mount+0x5b4/0x1000 [ 230.575332][ T6365] __arm64_sys_mount+0x514/0x5e4 [ 230.576144][ T6365] invoke_syscall+0x98/0x2b8 [ 230.576885][ T6365] el0_svc_common+0x138/0x258 [ 230.577697][ T6365] do_el0_svc+0x58/0x14c [ 230.578398][ T6365] el0_svc+0x78/0x1e0 [ 230.579041][ T6365] el0t_64_sync_handler+0xcc/0xe4 [ 230.579806][ T6365] el0t_64_sync+0x1a0/0x1a4 [ 230.580755][ T6365] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.582765][ T6365] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.778180][ T6367] loop1: detected capacity change from 0 to 32768 [ 230.785627][ T6367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.786778][ T6367] CPU: 0 PID: 6367 Comm: syz.1.679 Not tainted syzkaller #0 [ 230.787785][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.789277][ T6367] Call trace: [ 230.789792][ T6367] dump_backtrace+0x0/0x43c [ 230.790545][ T6367] show_stack+0x2c/0x3c [ 230.791153][ T6367] __dump_stack+0x30/0x40 [ 230.791834][ T6367] dump_stack_lvl+0xf8/0x160 [ 230.792529][ T6367] dump_stack+0x1c/0x5c [ 230.793236][ T6367] sysfs_create_dir_ns+0x22c/0x24c [ 230.794053][ T6367] kobject_add_internal+0x590/0xc54 [ 230.794835][ T6367] kobject_init_and_add+0x118/0x17c [ 230.795605][ T6367] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.796332][ T6367] gfs2_fill_super+0xdac/0x19e0 [ 230.797073][ T6367] get_tree_bdev+0x358/0x544 [ 230.797782][ T6367] gfs2_get_tree+0x54/0x1b4 [ 230.798448][ T6367] vfs_get_tree+0x90/0x274 [ 230.799091][ T6367] do_new_mount+0x228/0x810 [ 230.799806][ T6367] path_mount+0x5b4/0x1000 [ 230.800509][ T6367] __arm64_sys_mount+0x514/0x5e4 [ 230.801287][ T6367] invoke_syscall+0x98/0x2b8 [ 230.802018][ T6367] el0_svc_common+0x138/0x258 [ 230.802744][ T6367] do_el0_svc+0x58/0x14c [ 230.803366][ T6367] el0_svc+0x78/0x1e0 [ 230.803994][ T6367] el0t_64_sync_handler+0xcc/0xe4 [ 230.804780][ T6367] el0t_64_sync+0x1a0/0x1a4 [ 230.806174][ T6367] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.808180][ T6367] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.943653][ T6369] loop1: detected capacity change from 0 to 32768 [ 231.000177][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.001445][ T6369] CPU: 1 PID: 6369 Comm: syz.1.680 Not tainted syzkaller #0 [ 231.002705][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.004268][ T6369] Call trace: [ 231.004754][ T6369] dump_backtrace+0x0/0x43c [ 231.005419][ T6369] show_stack+0x2c/0x3c [ 231.006013][ T6369] __dump_stack+0x30/0x40 [ 231.006680][ T6369] dump_stack_lvl+0xf8/0x160 [ 231.007483][ T6369] dump_stack+0x1c/0x5c [ 231.008207][ T6369] sysfs_create_dir_ns+0x22c/0x24c [ 231.009035][ T6369] kobject_add_internal+0x590/0xc54 [ 231.009859][ T6369] kobject_init_and_add+0x118/0x17c [ 231.010661][ T6369] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.011378][ T6369] gfs2_fill_super+0xdac/0x19e0 [ 231.012075][ T6369] get_tree_bdev+0x358/0x544 [ 231.012832][ T6369] gfs2_get_tree+0x54/0x1b4 [ 231.013519][ T6369] vfs_get_tree+0x90/0x274 [ 231.014221][ T6369] do_new_mount+0x228/0x810 [ 231.014915][ T6369] path_mount+0x5b4/0x1000 [ 231.015638][ T6369] __arm64_sys_mount+0x514/0x5e4 [ 231.016449][ T6369] invoke_syscall+0x98/0x2b8 [ 231.017234][ T6369] el0_svc_common+0x138/0x258 [ 231.017994][ T6369] do_el0_svc+0x58/0x14c [ 231.018707][ T6369] el0_svc+0x78/0x1e0 [ 231.019264][ T6369] el0t_64_sync_handler+0xcc/0xe4 [ 231.020006][ T6369] el0t_64_sync+0x1a0/0x1a4 [ 231.024593][ T6369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.026653][ T6369] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.161560][ T6371] loop1: detected capacity change from 0 to 32768 [ 231.205041][ T6371] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.206438][ T6371] CPU: 1 PID: 6371 Comm: syz.1.681 Not tainted syzkaller #0 [ 231.207479][ T6371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.208900][ T6371] Call trace: [ 231.209374][ T6371] dump_backtrace+0x0/0x43c [ 231.210063][ T6371] show_stack+0x2c/0x3c [ 231.210658][ T6371] __dump_stack+0x30/0x40 [ 231.211317][ T6371] dump_stack_lvl+0xf8/0x160 [ 231.212020][ T6371] dump_stack+0x1c/0x5c [ 231.212762][ T6371] sysfs_create_dir_ns+0x22c/0x24c [ 231.213649][ T6371] kobject_add_internal+0x590/0xc54 [ 231.214537][ T6371] kobject_init_and_add+0x118/0x17c [ 231.215369][ T6371] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.216027][ T6371] gfs2_fill_super+0xdac/0x19e0 [ 231.216731][ T6371] get_tree_bdev+0x358/0x544 [ 231.217440][ T6371] gfs2_get_tree+0x54/0x1b4 [ 231.218112][ T6371] vfs_get_tree+0x90/0x274 [ 231.218841][ T6371] do_new_mount+0x228/0x810 [ 231.219568][ T6371] path_mount+0x5b4/0x1000 [ 231.220337][ T6371] __arm64_sys_mount+0x514/0x5e4 [ 231.221101][ T6371] invoke_syscall+0x98/0x2b8 [ 231.221814][ T6371] el0_svc_common+0x138/0x258 [ 231.222538][ T6371] do_el0_svc+0x58/0x14c [ 231.223187][ T6371] el0_svc+0x78/0x1e0 [ 231.223858][ T6371] el0t_64_sync_handler+0xcc/0xe4 [ 231.224715][ T6371] el0t_64_sync+0x1a0/0x1a4 [ 231.225951][ T6371] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.228040][ T6371] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.358604][ T6373] loop1: detected capacity change from 0 to 32768 [ 231.365953][ T6373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.367182][ T6373] CPU: 0 PID: 6373 Comm: syz.1.682 Not tainted syzkaller #0 [ 231.368286][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.369794][ T6373] Call trace: [ 231.370338][ T6373] dump_backtrace+0x0/0x43c [ 231.371055][ T6373] show_stack+0x2c/0x3c [ 231.371694][ T6373] __dump_stack+0x30/0x40 [ 231.372379][ T6373] dump_stack_lvl+0xf8/0x160 [ 231.373055][ T6373] dump_stack+0x1c/0x5c [ 231.373682][ T6373] sysfs_create_dir_ns+0x22c/0x24c [ 231.374412][ T6373] kobject_add_internal+0x590/0xc54 [ 231.375186][ T6373] kobject_init_and_add+0x118/0x17c [ 231.375914][ T6373] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.376586][ T6373] gfs2_fill_super+0xdac/0x19e0 [ 231.377289][ T6373] get_tree_bdev+0x358/0x544 [ 231.377938][ T6373] gfs2_get_tree+0x54/0x1b4 [ 231.378606][ T6373] vfs_get_tree+0x90/0x274 [ 231.379236][ T6373] do_new_mount+0x228/0x810 [ 231.379869][ T6373] path_mount+0x5b4/0x1000 [ 231.380487][ T6373] __arm64_sys_mount+0x514/0x5e4 [ 231.381164][ T6373] invoke_syscall+0x98/0x2b8 [ 231.381925][ T6373] el0_svc_common+0x138/0x258 [ 231.382677][ T6373] do_el0_svc+0x58/0x14c [ 231.383324][ T6373] el0_svc+0x78/0x1e0 [ 231.383867][ T6373] el0t_64_sync_handler+0xcc/0xe4 [ 231.384632][ T6373] el0t_64_sync+0x1a0/0x1a4 [ 231.386773][ T6373] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.389001][ T6373] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.517533][ T6375] loop1: detected capacity change from 0 to 32768 [ 231.555053][ T6375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.556266][ T6375] CPU: 1 PID: 6375 Comm: syz.1.683 Not tainted syzkaller #0 [ 231.557509][ T6375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.559192][ T6375] Call trace: [ 231.559738][ T6375] dump_backtrace+0x0/0x43c [ 231.560461][ T6375] show_stack+0x2c/0x3c [ 231.561073][ T6375] __dump_stack+0x30/0x40 [ 231.561770][ T6375] dump_stack_lvl+0xf8/0x160 [ 231.562503][ T6375] dump_stack+0x1c/0x5c [ 231.563212][ T6375] sysfs_create_dir_ns+0x22c/0x24c [ 231.563950][ T6375] kobject_add_internal+0x590/0xc54 [ 231.564683][ T6375] kobject_init_and_add+0x118/0x17c [ 231.565440][ T6375] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.566210][ T6375] gfs2_fill_super+0xdac/0x19e0 [ 231.567053][ T6375] get_tree_bdev+0x358/0x544 [ 231.567797][ T6375] gfs2_get_tree+0x54/0x1b4 [ 231.568583][ T6375] vfs_get_tree+0x90/0x274 [ 231.569345][ T6375] do_new_mount+0x228/0x810 [ 231.570121][ T6375] path_mount+0x5b4/0x1000 [ 231.570839][ T6375] __arm64_sys_mount+0x514/0x5e4 [ 231.571643][ T6375] invoke_syscall+0x98/0x2b8 [ 231.572347][ T6375] el0_svc_common+0x138/0x258 [ 231.573126][ T6375] do_el0_svc+0x58/0x14c [ 231.573805][ T6375] el0_svc+0x78/0x1e0 [ 231.574526][ T6375] el0t_64_sync_handler+0xcc/0xe4 [ 231.575284][ T6375] el0t_64_sync+0x1a0/0x1a4 [ 231.576204][ T6375] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.578360][ T6375] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.717894][ T6377] loop1: detected capacity change from 0 to 32768 [ 231.770058][ T6377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.771354][ T6377] CPU: 0 PID: 6377 Comm: syz.1.684 Not tainted syzkaller #0 [ 231.772398][ T6377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.773847][ T6377] Call trace: [ 231.774314][ T6377] dump_backtrace+0x0/0x43c [ 231.775015][ T6377] show_stack+0x2c/0x3c [ 231.775602][ T6377] __dump_stack+0x30/0x40 [ 231.776269][ T6377] dump_stack_lvl+0xf8/0x160 [ 231.776936][ T6377] dump_stack+0x1c/0x5c [ 231.777512][ T6377] sysfs_create_dir_ns+0x22c/0x24c [ 231.778258][ T6377] kobject_add_internal+0x590/0xc54 [ 231.779019][ T6377] kobject_init_and_add+0x118/0x17c [ 231.779755][ T6377] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.780449][ T6377] gfs2_fill_super+0xdac/0x19e0 [ 231.781139][ T6377] get_tree_bdev+0x358/0x544 [ 231.781955][ T6377] gfs2_get_tree+0x54/0x1b4 [ 231.782729][ T6377] vfs_get_tree+0x90/0x274 [ 231.783500][ T6377] do_new_mount+0x228/0x810 [ 231.784211][ T6377] path_mount+0x5b4/0x1000 [ 231.784853][ T6377] __arm64_sys_mount+0x514/0x5e4 [ 231.785564][ T6377] invoke_syscall+0x98/0x2b8 [ 231.786275][ T6377] el0_svc_common+0x138/0x258 [ 231.786969][ T6377] do_el0_svc+0x58/0x14c [ 231.787537][ T6377] el0_svc+0x78/0x1e0 [ 231.788122][ T6377] el0t_64_sync_handler+0xcc/0xe4 [ 231.788892][ T6377] el0t_64_sync+0x1a0/0x1a4 [ 231.790910][ T6377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.792926][ T6377] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.921090][ T6379] loop1: detected capacity change from 0 to 32768 [ 232.023930][ T6379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.025136][ T6379] CPU: 1 PID: 6379 Comm: syz.1.685 Not tainted syzkaller #0 [ 232.026306][ T6379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.027883][ T6379] Call trace: [ 232.028364][ T6379] dump_backtrace+0x0/0x43c [ 232.029028][ T6379] show_stack+0x2c/0x3c [ 232.029650][ T6379] __dump_stack+0x30/0x40 [ 232.030284][ T6379] dump_stack_lvl+0xf8/0x160 [ 232.030999][ T6379] dump_stack+0x1c/0x5c [ 232.031625][ T6379] sysfs_create_dir_ns+0x22c/0x24c [ 232.032517][ T6379] kobject_add_internal+0x590/0xc54 [ 232.033340][ T6379] kobject_init_and_add+0x118/0x17c [ 232.034151][ T6379] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.034848][ T6379] gfs2_fill_super+0xdac/0x19e0 [ 232.035592][ T6379] get_tree_bdev+0x358/0x544 [ 232.036260][ T6379] gfs2_get_tree+0x54/0x1b4 [ 232.036893][ T6379] vfs_get_tree+0x90/0x274 [ 232.037527][ T6379] do_new_mount+0x228/0x810 [ 232.038171][ T6379] path_mount+0x5b4/0x1000 [ 232.038816][ T6379] __arm64_sys_mount+0x514/0x5e4 [ 232.039551][ T6379] invoke_syscall+0x98/0x2b8 [ 232.040217][ T6379] el0_svc_common+0x138/0x258 [ 232.040880][ T6379] do_el0_svc+0x58/0x14c [ 232.041505][ T6379] el0_svc+0x78/0x1e0 [ 232.042104][ T6379] el0t_64_sync_handler+0xcc/0xe4 [ 232.042835][ T6379] el0t_64_sync+0x1a0/0x1a4 [ 232.044259][ T6379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.046312][ T6379] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.179289][ T27] INFO: task syz-executor:4822 blocked for more than 143 seconds. [ 232.179424][ T6381] loop1: detected capacity change from 0 to 32768 [ 232.180574][ T27] Not tainted syzkaller #0 [ 232.182226][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.183566][ T27] task:syz-executor state:D stack: 0 pid: 4822 ppid: 1 flags:0x00000009 [ 232.184972][ T27] Call trace: [ 232.185488][ T27] __switch_to+0x2f4/0x558 [ 232.186146][ T27] __schedule+0xe08/0x1bf8 [ 232.186862][ T27] schedule+0x11c/0x1c8 [ 232.187523][ T27] schedule_timeout+0x180/0x2c8 [ 232.188348][ T27] gfs2_gl_hash_clear+0x174/0x2cc [ 232.189528][ T27] gfs2_put_super+0x614/0x6bc [ 232.190257][ T27] generic_shutdown_super+0x130/0x2f0 [ 232.191033][ T27] kill_block_super+0x70/0xdc [ 232.191770][ T27] gfs2_kill_sb+0xc0/0xd4 [ 232.192465][ T27] deactivate_locked_super+0xb8/0x13c [ 232.193305][ T27] deactivate_super+0xf8/0x118 [ 232.194079][ T27] cleanup_mnt+0x3a4/0x458 [ 232.194805][ T27] __cleanup_mnt+0x20/0x30 [ 232.195510][ T27] task_work_run+0x12c/0x1e0 [ 232.196216][ T27] do_notify_resume+0x24b4/0x3128 [ 232.196959][ T27] el0_svc+0xf0/0x1e0 [ 232.197565][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.198290][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.199698][ T27] [ 232.199698][ T27] Showing all locks held in the system: [ 232.200868][ T27] 1 lock held by khungtaskd/27: [ 232.201584][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.203032][ T27] 2 locks held by getty/3805: [ 232.203741][ T27] #0: ffff0000d3605098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.205075][ T27] #1: ffff80001bd5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.206665][ T27] 1 lock held by syz-executor/4822: [ 232.207395][ T27] #0: ffff0000d9cc00e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0xf0/0x118 [ 232.209040][ T27] 1 lock held by udevd/4994: [ 232.209726][ T27] #0: ffff0000cb94cd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 232.211189][ T27] 2 locks held by syz.1.686/6381: [ 232.211975][ T27] #0: ffff0000cb94cd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 232.213410][ T27] #1: ffff0000cb965468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x50/0x204 [ 232.214974][ T27] [ 232.215349][ T27] ============================================= [ 232.215349][ T27] [ 232.216677][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.217788][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.218907][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.220614][ T27] Call trace: [ 232.221182][ T27] dump_backtrace+0x0/0x43c [ 232.221952][ T27] show_stack+0x2c/0x3c [ 232.222595][ T27] __dump_stack+0x30/0x40 [ 232.223255][ T27] dump_stack_lvl+0xf8/0x160 [ 232.223980][ T27] dump_stack+0x1c/0x5c [ 232.224695][ T27] panic+0x2e4/0x854 [ 232.225384][ T27] hung_task_panic+0x0/0x2c [ 232.226131][ T27] kthread+0x374/0x454 [ 232.226843][ T27] ret_from_fork+0x10/0x20 [ 232.227535][ T27] SMP: stopping secondary CPUs [ 232.228273][ T27] Kernel Offset: disabled [ 232.228920][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.229750][ T27] Memory Limit: none [ 232.565298][ T27] Rebooting in 86400 seconds..