] gfs2_fill_super+0xddc/0x1a18 [ 201.773302][ T6744] get_tree_bdev+0x358/0x544 [ 201.773956][ T6744] gfs2_get_tree+0x54/0x1b4 [ 201.774669][ T6744] vfs_get_tree+0x90/0x274 [ 201.775332][ T6744] do_new_mount+0x228/0x810 [ 201.776040][ T6744] path_mount+0x5bc/0x1008 [ 201.776724][ T6744] __arm64_sys_mount+0x514/0x5f0 [ 201.777428][ T6744] invoke_syscall+0x98/0x2b0 [ 201.778160][ T6744] el0_svc_common+0x138/0x258 [ 201.778831][ T6744] do_el0_svc+0x58/0x13c [ 201.779505][ T6744] el0_svc+0x78/0x1d0 [ 201.780073][ T6744] el0t_64_sync_handler+0xcc/0xe4 [ 201.780784][ T6744] el0t_64_sync+0x1a0/0x1a4 [ 201.781544][ T6744] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 201.783571][ T6744] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 201.917184][ T6747] loop1: detected capacity change from 0 to 32768 [ 201.959567][ T6747] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 201.960897][ T6747] CPU: 1 PID: 6747 Comm: syz.1.553 Not tainted syzkaller #0 [ 201.962060][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 201.963708][ T6747] Call trace: [ 201.964203][ T6747] dump_backtrace+0x0/0x458 [ 201.964901][ T6747] show_stack+0x2c/0x3c [ 201.965537][ T6747] __dump_stack+0x30/0x40 [ 201.966213][ T6747] dump_stack_lvl+0xf4/0x15c [ 201.966942][ T6747] dump_stack+0x1c/0x5c [ 201.967601][ T6747] sysfs_create_dir_ns+0x244/0x264 [ 201.968499][ T6747] kobject_add_internal+0x5ac/0xc3c [ 201.969331][ T6747] kobject_init_and_add+0x124/0x190 [ 201.970160][ T6747] gfs2_sys_fs_add+0x200/0x41c [ 201.970964][ T6747] gfs2_fill_super+0xddc/0x1a18 [ 201.971739][ T6747] get_tree_bdev+0x358/0x544 [ 201.972454][ T6747] gfs2_get_tree+0x54/0x1b4 [ 201.973178][ T6747] vfs_get_tree+0x90/0x274 [ 201.973866][ T6747] do_new_mount+0x228/0x810 [ 201.974595][ T6747] path_mount+0x5bc/0x1008 [ 201.975319][ T6747] __arm64_sys_mount+0x514/0x5f0 [ 201.976105][ T6747] invoke_syscall+0x98/0x2b0 [ 201.976861][ T6747] el0_svc_common+0x138/0x258 [ 201.977555][ T6747] do_el0_svc+0x58/0x13c [ 201.978255][ T6747] el0_svc+0x78/0x1d0 [ 201.978905][ T6747] el0t_64_sync_handler+0xcc/0xe4 [ 201.979666][ T6747] el0t_64_sync+0x1a0/0x1a4 [ 201.980925][ T6747] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 201.982983][ T6747] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 202.123474][ T6750] loop1: detected capacity change from 0 to 32768 [ 202.164531][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 202.165917][ T6750] CPU: 0 PID: 6750 Comm: syz.1.554 Not tainted syzkaller #0 [ 202.167088][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.168691][ T6750] Call trace: [ 202.169151][ T6750] dump_backtrace+0x0/0x458 [ 202.169852][ T6750] show_stack+0x2c/0x3c [ 202.170466][ T6750] __dump_stack+0x30/0x40 [ 202.171108][ T6750] dump_stack_lvl+0xf4/0x15c [ 202.171819][ T6750] dump_stack+0x1c/0x5c [ 202.172433][ T6750] sysfs_create_dir_ns+0x244/0x264 [ 202.173223][ T6750] kobject_add_internal+0x5ac/0xc3c [ 202.174078][ T6750] kobject_init_and_add+0x124/0x190 [ 202.174839][ T6750] gfs2_sys_fs_add+0x200/0x41c [ 202.175573][ T6750] gfs2_fill_super+0xddc/0x1a18 [ 202.176353][ T6750] get_tree_bdev+0x358/0x544 [ 202.177051][ T6750] gfs2_get_tree+0x54/0x1b4 [ 202.177757][ T6750] vfs_get_tree+0x90/0x274 [ 202.178426][ T6750] do_new_mount+0x228/0x810 [ 202.179120][ T6750] path_mount+0x5bc/0x1008 [ 202.179753][ T6750] __arm64_sys_mount+0x514/0x5f0 [ 202.180533][ T6750] invoke_syscall+0x98/0x2b0 [ 202.181227][ T6750] el0_svc_common+0x138/0x258 [ 202.182049][ T6750] do_el0_svc+0x58/0x13c [ 202.182666][ T6750] el0_svc+0x78/0x1d0 [ 202.183287][ T6750] el0t_64_sync_handler+0xcc/0xe4 [ 202.184046][ T6750] el0t_64_sync+0x1a0/0x1a4 [ 202.186145][ T6750] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 202.188204][ T6750] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 202.366625][ T6753] loop1: detected capacity change from 0 to 32768 [ 202.404421][ T6753] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 202.405592][ T6753] CPU: 0 PID: 6753 Comm: syz.1.555 Not tainted syzkaller #0 [ 202.406687][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.408178][ T6753] Call trace: [ 202.408661][ T6753] dump_backtrace+0x0/0x458 [ 202.409341][ T6753] show_stack+0x2c/0x3c [ 202.410001][ T6753] __dump_stack+0x30/0x40 [ 202.410655][ T6753] dump_stack_lvl+0xf4/0x15c [ 202.411347][ T6753] dump_stack+0x1c/0x5c [ 202.412006][ T6753] sysfs_create_dir_ns+0x244/0x264 [ 202.412819][ T6753] kobject_add_internal+0x5ac/0xc3c [ 202.413729][ T6753] kobject_init_and_add+0x124/0x190 [ 202.414510][ T6753] gfs2_sys_fs_add+0x200/0x41c [ 202.415212][ T6753] gfs2_fill_super+0xddc/0x1a18 [ 202.415992][ T6753] get_tree_bdev+0x358/0x544 [ 202.416751][ T6753] gfs2_get_tree+0x54/0x1b4 [ 202.417541][ T6753] vfs_get_tree+0x90/0x274 [ 202.418212][ T6753] do_new_mount+0x228/0x810 [ 202.418902][ T6753] path_mount+0x5bc/0x1008 [ 202.419576][ T6753] __arm64_sys_mount+0x514/0x5f0 [ 202.420328][ T6753] invoke_syscall+0x98/0x2b0 [ 202.421025][ T6753] el0_svc_common+0x138/0x258 [ 202.421728][ T6753] do_el0_svc+0x58/0x13c [ 202.422368][ T6753] el0_svc+0x78/0x1d0 [ 202.422983][ T6753] el0t_64_sync_handler+0xcc/0xe4 [ 202.423740][ T6753] el0t_64_sync+0x1a0/0x1a4 [ 202.425390][ T6753] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 202.427535][ T6753] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 202.615164][ T6756] loop1: detected capacity change from 0 to 32768 [ 202.665024][ T6756] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 202.666267][ T6756] CPU: 1 PID: 6756 Comm: syz.1.556 Not tainted syzkaller #0 [ 202.667468][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.669023][ T6756] Call trace: [ 202.669501][ T6756] dump_backtrace+0x0/0x458 [ 202.670229][ T6756] show_stack+0x2c/0x3c [ 202.670848][ T6756] __dump_stack+0x30/0x40 [ 202.671543][ T6756] dump_stack_lvl+0xf4/0x15c [ 202.672265][ T6756] dump_stack+0x1c/0x5c [ 202.672921][ T6756] sysfs_create_dir_ns+0x244/0x264 [ 202.673717][ T6756] kobject_add_internal+0x5ac/0xc3c [ 202.674519][ T6756] kobject_init_and_add+0x124/0x190 [ 202.675341][ T6756] gfs2_sys_fs_add+0x200/0x41c [ 202.676101][ T6756] gfs2_fill_super+0xddc/0x1a18 [ 202.676856][ T6756] get_tree_bdev+0x358/0x544 [ 202.677616][ T6756] gfs2_get_tree+0x54/0x1b4 [ 202.678290][ T6756] vfs_get_tree+0x90/0x274 [ 202.678964][ T6756] do_new_mount+0x228/0x810 [ 202.679662][ T6756] path_mount+0x5bc/0x1008 [ 202.680363][ T6756] __arm64_sys_mount+0x514/0x5f0 [ 202.681098][ T6756] invoke_syscall+0x98/0x2b0 [ 202.681833][ T6756] el0_svc_common+0x138/0x258 [ 202.682533][ T6756] do_el0_svc+0x58/0x13c [ 202.683147][ T6756] el0_svc+0x78/0x1d0 [ 202.683762][ T6756] el0t_64_sync_handler+0xcc/0xe4 [ 202.684574][ T6756] el0t_64_sync+0x1a0/0x1a4 [ 202.685532][ T6756] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 202.687684][ T6756] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 202.923963][ T6759] loop1: detected capacity change from 0 to 32768 [ 202.968433][ T6759] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 202.969572][ T6759] CPU: 0 PID: 6759 Comm: syz.1.557 Not tainted syzkaller #0 [ 202.970685][ T6759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.972178][ T6759] Call trace: [ 202.972670][ T6759] dump_backtrace+0x0/0x458 [ 202.973369][ T6759] show_stack+0x2c/0x3c [ 202.973996][ T6759] __dump_stack+0x30/0x40 [ 202.974694][ T6759] dump_stack_lvl+0xf4/0x15c [ 202.975376][ T6759] dump_stack+0x1c/0x5c [ 202.976088][ T6759] sysfs_create_dir_ns+0x244/0x264 [ 202.976873][ T6759] kobject_add_internal+0x5ac/0xc3c [ 202.977697][ T6759] kobject_init_and_add+0x124/0x190 [ 202.978503][ T6759] gfs2_sys_fs_add+0x200/0x41c [ 202.979191][ T6759] gfs2_fill_super+0xddc/0x1a18 [ 202.979978][ T6759] get_tree_bdev+0x358/0x544 [ 202.980687][ T6759] gfs2_get_tree+0x54/0x1b4 [ 202.981415][ T6759] vfs_get_tree+0x90/0x274 [ 202.982096][ T6759] do_new_mount+0x228/0x810 [ 202.982779][ T6759] path_mount+0x5bc/0x1008 [ 202.983406][ T6759] __arm64_sys_mount+0x514/0x5f0 [ 202.984158][ T6759] invoke_syscall+0x98/0x2b0 [ 202.984904][ T6759] el0_svc_common+0x138/0x258 [ 202.985639][ T6759] do_el0_svc+0x58/0x13c [ 202.986280][ T6759] el0_svc+0x78/0x1d0 [ 202.986943][ T6759] el0t_64_sync_handler+0xcc/0xe4 [ 202.987721][ T6759] el0t_64_sync+0x1a0/0x1a4 [ 202.990297][ T6759] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 202.992403][ T6759] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 203.122201][ T6762] loop1: detected capacity change from 0 to 32768 [ 203.129940][ T6762] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 203.131080][ T6762] CPU: 1 PID: 6762 Comm: syz.1.558 Not tainted syzkaller #0 [ 203.132265][ T6762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.133804][ T6762] Call trace: [ 203.134324][ T6762] dump_backtrace+0x0/0x458 [ 203.135039][ T6762] show_stack+0x2c/0x3c [ 203.135699][ T6762] __dump_stack+0x30/0x40 [ 203.136348][ T6762] dump_stack_lvl+0xf4/0x15c [ 203.137023][ T6762] dump_stack+0x1c/0x5c [ 203.137779][ T6762] sysfs_create_dir_ns+0x244/0x264 [ 203.138681][ T6762] kobject_add_internal+0x5ac/0xc3c [ 203.139614][ T6762] kobject_init_and_add+0x124/0x190 [ 203.140460][ T6762] gfs2_sys_fs_add+0x200/0x41c [ 203.141225][ T6762] gfs2_fill_super+0xddc/0x1a18 [ 203.141984][ T6762] get_tree_bdev+0x358/0x544 [ 203.142703][ T6762] gfs2_get_tree+0x54/0x1b4 [ 203.143381][ T6762] vfs_get_tree+0x90/0x274 [ 203.144041][ T6762] do_new_mount+0x228/0x810 [ 203.144730][ T6762] path_mount+0x5bc/0x1008 [ 203.145424][ T6762] __arm64_sys_mount+0x514/0x5f0 [ 203.146201][ T6762] invoke_syscall+0x98/0x2b0 [ 203.146848][ T6762] el0_svc_common+0x138/0x258 [ 203.147579][ T6762] do_el0_svc+0x58/0x13c [ 203.148230][ T6762] el0_svc+0x78/0x1d0 [ 203.148812][ T6762] el0t_64_sync_handler+0xcc/0xe4 [ 203.149561][ T6762] el0t_64_sync+0x1a0/0x1a4 [ 203.150784][ T6762] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 203.152949][ T6762] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 203.337141][ T6765] loop1: detected capacity change from 0 to 32768 [ 203.394746][ T6765] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 203.396408][ T6765] CPU: 1 PID: 6765 Comm: syz.1.559 Not tainted syzkaller #0 [ 203.397601][ T6765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.399174][ T6765] Call trace: [ 203.399660][ T6765] dump_backtrace+0x0/0x458 [ 203.400378][ T6765] show_stack+0x2c/0x3c [ 203.401006][ T6765] __dump_stack+0x30/0x40 [ 203.401642][ T6765] dump_stack_lvl+0xf4/0x15c [ 203.402350][ T6765] dump_stack+0x1c/0x5c [ 203.402988][ T6765] sysfs_create_dir_ns+0x244/0x264 [ 203.403765][ T6765] kobject_add_internal+0x5ac/0xc3c [ 203.404547][ T6765] kobject_init_and_add+0x124/0x190 [ 203.405402][ T6765] gfs2_sys_fs_add+0x200/0x41c [ 203.406139][ T6765] gfs2_fill_super+0xddc/0x1a18 [ 203.406862][ T6765] get_tree_bdev+0x358/0x544 [ 203.407548][ T6765] gfs2_get_tree+0x54/0x1b4 [ 203.408282][ T6765] vfs_get_tree+0x90/0x274 [ 203.408934][ T6765] do_new_mount+0x228/0x810 [ 203.409632][ T6765] path_mount+0x5bc/0x1008 [ 203.410336][ T6765] __arm64_sys_mount+0x514/0x5f0 [ 203.411086][ T6765] invoke_syscall+0x98/0x2b0 [ 203.411821][ T6765] el0_svc_common+0x138/0x258 [ 203.412530][ T6765] do_el0_svc+0x58/0x13c [ 203.413187][ T6765] el0_svc+0x78/0x1d0 [ 203.413761][ T6765] el0t_64_sync_handler+0xcc/0xe4 [ 203.414528][ T6765] el0t_64_sync+0x1a0/0x1a4 [ 203.415440][ T6765] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 203.417662][ T6765] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 203.548183][ T6768] loop1: detected capacity change from 0 to 32768 [ 203.587750][ T6768] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 203.589075][ T6768] CPU: 1 PID: 6768 Comm: syz.1.560 Not tainted syzkaller #0 [ 203.590252][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.591904][ T6768] Call trace: [ 203.592463][ T6768] dump_backtrace+0x0/0x458 [ 203.593116][ T6768] show_stack+0x2c/0x3c [ 203.593796][ T6768] __dump_stack+0x30/0x40 [ 203.594458][ T6768] dump_stack_lvl+0xf4/0x15c [ 203.595244][ T6768] dump_stack+0x1c/0x5c [ 203.595875][ T6768] sysfs_create_dir_ns+0x244/0x264 [ 203.596687][ T6768] kobject_add_internal+0x5ac/0xc3c [ 203.597496][ T6768] kobject_init_and_add+0x124/0x190 [ 203.598333][ T6768] gfs2_sys_fs_add+0x200/0x41c [ 203.599050][ T6768] gfs2_fill_super+0xddc/0x1a18 [ 203.599805][ T6768] get_tree_bdev+0x358/0x544 [ 203.600495][ T6768] gfs2_get_tree+0x54/0x1b4 [ 203.601168][ T6768] vfs_get_tree+0x90/0x274 [ 203.601842][ T6768] do_new_mount+0x228/0x810 [ 203.602546][ T6768] path_mount+0x5bc/0x1008 [ 203.603231][ T6768] __arm64_sys_mount+0x514/0x5f0 [ 203.603947][ T6768] invoke_syscall+0x98/0x2b0 [ 203.604705][ T6768] el0_svc_common+0x138/0x258 [ 203.605438][ T6768] do_el0_svc+0x58/0x13c [ 203.606115][ T6768] el0_svc+0x78/0x1d0 [ 203.606720][ T6768] el0t_64_sync_handler+0xcc/0xe4 [ 203.607530][ T6768] el0t_64_sync+0x1a0/0x1a4 [ 203.608489][ T6768] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 203.610522][ T6768] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 203.748276][ T6771] loop1: detected capacity change from 0 to 32768 [ 203.784398][ T6771] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 203.785644][ T6771] CPU: 1 PID: 6771 Comm: syz.1.561 Not tainted syzkaller #0 [ 203.786747][ T6771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.788158][ T6771] Call trace: [ 203.788632][ T6771] dump_backtrace+0x0/0x458 [ 203.789288][ T6771] show_stack+0x2c/0x3c [ 203.789952][ T6771] __dump_stack+0x30/0x40 [ 203.790609][ T6771] dump_stack_lvl+0xf4/0x15c [ 203.791305][ T6771] dump_stack+0x1c/0x5c [ 203.791952][ T6771] sysfs_create_dir_ns+0x244/0x264 [ 203.792753][ T6771] kobject_add_internal+0x5ac/0xc3c [ 203.793525][ T6771] kobject_init_and_add+0x124/0x190 [ 203.794291][ T6771] gfs2_sys_fs_add+0x200/0x41c [ 203.795010][ T6771] gfs2_fill_super+0xddc/0x1a18 [ 203.795708][ T6771] get_tree_bdev+0x358/0x544 [ 203.796438][ T6771] gfs2_get_tree+0x54/0x1b4 [ 203.797117][ T6771] vfs_get_tree+0x90/0x274 [ 203.797809][ T6771] do_new_mount+0x228/0x810 [ 203.798508][ T6771] path_mount+0x5bc/0x1008 [ 203.799178][ T6771] __arm64_sys_mount+0x514/0x5f0 [ 203.799943][ T6771] invoke_syscall+0x98/0x2b0 [ 203.800679][ T6771] el0_svc_common+0x138/0x258 [ 203.801445][ T6771] do_el0_svc+0x58/0x13c [ 203.802159][ T6771] el0_svc+0x78/0x1d0 [ 203.802726][ T6771] el0t_64_sync_handler+0xcc/0xe4 [ 203.803494][ T6771] el0t_64_sync+0x1a0/0x1a4 [ 203.804556][ T6771] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 203.806722][ T6771] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 204.024817][ T6774] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 204.026106][ T6774] CPU: 0 PID: 6774 Comm: syz.1.562 Not tainted syzkaller #0 [ 204.027211][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.028691][ T6774] Call trace: [ 204.029188][ T6774] dump_backtrace+0x0/0x458 [ 204.029856][ T6774] show_stack+0x2c/0x3c [ 204.030513][ T6774] __dump_stack+0x30/0x40 [ 204.031153][ T6774] dump_stack_lvl+0xf4/0x15c [ 204.031818][ T6774] dump_stack+0x1c/0x5c [ 204.032405][ T6774] sysfs_create_dir_ns+0x244/0x264 [ 204.033198][ T6774] kobject_add_internal+0x5ac/0xc3c [ 204.034040][ T6774] kobject_init_and_add+0x124/0x190 [ 204.034883][ T6774] gfs2_sys_fs_add+0x200/0x41c [ 204.035607][ T6774] gfs2_fill_super+0xddc/0x1a18 [ 204.036375][ T6774] get_tree_bdev+0x358/0x544 [ 204.037055][ T6774] gfs2_get_tree+0x54/0x1b4 [ 204.037693][ T6774] vfs_get_tree+0x90/0x274 [ 204.038492][ T6774] do_new_mount+0x228/0x810 [ 204.039175][ T6774] path_mount+0x5bc/0x1008 [ 204.039881][ T6774] __arm64_sys_mount+0x514/0x5f0 [ 204.040631][ T6774] invoke_syscall+0x98/0x2b0 [ 204.041386][ T6774] el0_svc_common+0x138/0x258 [ 204.042073][ T6774] do_el0_svc+0x58/0x13c [ 204.042713][ T6774] el0_svc+0x78/0x1d0 [ 204.043313][ T6774] el0t_64_sync_handler+0xcc/0xe4 [ 204.044057][ T6774] el0t_64_sync+0x1a0/0x1a4 [ 204.046175][ T6774] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 204.048146][ T6774] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 204.232808][ T6777] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 204.236016][ T6777] CPU: 1 PID: 6777 Comm: syz.1.563 Not tainted syzkaller #0 [ 204.237231][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.238816][ T6777] Call trace: [ 204.239331][ T6777] dump_backtrace+0x0/0x458 [ 204.240009][ T6777] show_stack+0x2c/0x3c [ 204.240571][ T6777] __dump_stack+0x30/0x40 [ 204.241210][ T6777] dump_stack_lvl+0xf4/0x15c [ 204.241934][ T6777] dump_stack+0x1c/0x5c [ 204.242604][ T6777] sysfs_create_dir_ns+0x244/0x264 [ 204.243362][ T6777] kobject_add_internal+0x5ac/0xc3c [ 204.244124][ T6777] kobject_init_and_add+0x124/0x190 [ 204.244971][ T6777] gfs2_sys_fs_add+0x200/0x41c [ 204.245724][ T6777] gfs2_fill_super+0xddc/0x1a18 [ 204.246511][ T6777] get_tree_bdev+0x358/0x544 [ 204.247192][ T6777] gfs2_get_tree+0x54/0x1b4 [ 204.247859][ T6777] vfs_get_tree+0x90/0x274 [ 204.248528][ T6777] do_new_mount+0x228/0x810 [ 204.249236][ T6777] path_mount+0x5bc/0x1008 [ 204.249868][ T6777] __arm64_sys_mount+0x514/0x5f0 [ 204.250646][ T6777] invoke_syscall+0x98/0x2b0 [ 204.251370][ T6777] el0_svc_common+0x138/0x258 [ 204.252087][ T6777] do_el0_svc+0x58/0x13c [ 204.252735][ T6777] el0_svc+0x78/0x1d0 [ 204.253344][ T6777] el0t_64_sync_handler+0xcc/0xe4 [ 204.254116][ T6777] el0t_64_sync+0x1a0/0x1a4 [ 204.256291][ T6777] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 204.258203][ T6777] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 204.474458][ T6780] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 204.475665][ T6780] CPU: 1 PID: 6780 Comm: syz.1.564 Not tainted syzkaller #0 [ 204.476760][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.478305][ T6780] Call trace: [ 204.478784][ T6780] dump_backtrace+0x0/0x458 [ 204.479457][ T6780] show_stack+0x2c/0x3c [ 204.480032][ T6780] __dump_stack+0x30/0x40 [ 204.480713][ T6780] dump_stack_lvl+0xf4/0x15c [ 204.481372][ T6780] dump_stack+0x1c/0x5c [ 204.482030][ T6780] sysfs_create_dir_ns+0x244/0x264 [ 204.482863][ T6780] kobject_add_internal+0x5ac/0xc3c [ 204.483631][ T6780] kobject_init_and_add+0x124/0x190 [ 204.484462][ T6780] gfs2_sys_fs_add+0x200/0x41c [ 204.485250][ T6780] gfs2_fill_super+0xddc/0x1a18 [ 204.486012][ T6780] get_tree_bdev+0x358/0x544 [ 204.486683][ T6780] gfs2_get_tree+0x54/0x1b4 [ 204.487356][ T6780] vfs_get_tree+0x90/0x274 [ 204.488085][ T6780] do_new_mount+0x228/0x810 [ 204.488749][ T6780] path_mount+0x5bc/0x1008 [ 204.489438][ T6780] __arm64_sys_mount+0x514/0x5f0 [ 204.490176][ T6780] invoke_syscall+0x98/0x2b0 [ 204.490891][ T6780] el0_svc_common+0x138/0x258 [ 204.491608][ T6780] do_el0_svc+0x58/0x13c [ 204.492264][ T6780] el0_svc+0x78/0x1d0 [ 204.492859][ T6780] el0t_64_sync_handler+0xcc/0xe4 [ 204.493613][ T6780] el0t_64_sync+0x1a0/0x1a4 [ 204.495876][ T6780] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 204.497821][ T6780] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 204.667335][ T6783] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 204.668587][ T6783] CPU: 1 PID: 6783 Comm: syz.1.565 Not tainted syzkaller #0 [ 204.669868][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.671500][ T6783] Call trace: [ 204.671980][ T6783] dump_backtrace+0x0/0x458 [ 204.672681][ T6783] show_stack+0x2c/0x3c [ 204.673327][ T6783] __dump_stack+0x30/0x40 [ 204.674021][ T6783] dump_stack_lvl+0xf4/0x15c [ 204.674853][ T6783] dump_stack+0x1c/0x5c [ 204.675543][ T6783] sysfs_create_dir_ns+0x244/0x264 [ 204.676404][ T6783] kobject_add_internal+0x5ac/0xc3c [ 204.677219][ T6783] kobject_init_and_add+0x124/0x190 [ 204.678032][ T6783] gfs2_sys_fs_add+0x200/0x41c [ 204.678775][ T6783] gfs2_fill_super+0xddc/0x1a18 [ 204.679588][ T6783] get_tree_bdev+0x358/0x544 [ 204.680385][ T6783] gfs2_get_tree+0x54/0x1b4 [ 204.681072][ T6783] vfs_get_tree+0x90/0x274 [ 204.681752][ T6783] do_new_mount+0x228/0x810 [ 204.682484][ T6783] path_mount+0x5bc/0x1008 [ 204.683276][ T6783] __arm64_sys_mount+0x514/0x5f0 [ 204.684120][ T6783] invoke_syscall+0x98/0x2b0 [ 204.684831][ T6783] el0_svc_common+0x138/0x258 [ 204.685567][ T6783] do_el0_svc+0x58/0x13c [ 204.686193][ T6783] el0_svc+0x78/0x1d0 [ 204.686820][ T6783] el0t_64_sync_handler+0xcc/0xe4 [ 204.687603][ T6783] el0t_64_sync+0x1a0/0x1a4 [ 204.689804][ T6783] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 204.691869][ T6783] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 204.834706][ T6786] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 204.835939][ T6786] CPU: 0 PID: 6786 Comm: syz.1.566 Not tainted syzkaller #0 [ 204.837108][ T6786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.838690][ T6786] Call trace: [ 204.839213][ T6786] dump_backtrace+0x0/0x458 [ 204.839907][ T6786] show_stack+0x2c/0x3c [ 204.840494][ T6786] __dump_stack+0x30/0x40 [ 204.841141][ T6786] dump_stack_lvl+0xf4/0x15c [ 204.841813][ T6786] dump_stack+0x1c/0x5c [ 204.842435][ T6786] sysfs_create_dir_ns+0x244/0x264 [ 204.843206][ T6786] kobject_add_internal+0x5ac/0xc3c [ 204.844071][ T6786] kobject_init_and_add+0x124/0x190 [ 204.844798][ T6786] gfs2_sys_fs_add+0x200/0x41c [ 204.845526][ T6786] gfs2_fill_super+0xddc/0x1a18 [ 204.846207][ T6786] get_tree_bdev+0x358/0x544 [ 204.846906][ T6786] gfs2_get_tree+0x54/0x1b4 [ 204.847566][ T6786] vfs_get_tree+0x90/0x274 [ 204.848284][ T6786] do_new_mount+0x228/0x810 [ 204.848977][ T6786] path_mount+0x5bc/0x1008 [ 204.849685][ T6786] __arm64_sys_mount+0x514/0x5f0 [ 204.850412][ T6786] invoke_syscall+0x98/0x2b0 [ 204.851071][ T6786] el0_svc_common+0x138/0x258 [ 204.851846][ T6786] do_el0_svc+0x58/0x13c [ 204.852506][ T6786] el0_svc+0x78/0x1d0 [ 204.853170][ T6786] el0t_64_sync_handler+0xcc/0xe4 [ 204.853995][ T6786] el0t_64_sync+0x1a0/0x1a4 [ 204.856736][ T6786] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 204.858852][ T6786] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.028776][ T6789] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.029919][ T6789] CPU: 1 PID: 6789 Comm: syz.1.567 Not tainted syzkaller #0 [ 205.030985][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.032477][ T6789] Call trace: [ 205.032940][ T6789] dump_backtrace+0x0/0x458 [ 205.033607][ T6789] show_stack+0x2c/0x3c [ 205.034224][ T6789] __dump_stack+0x30/0x40 [ 205.034873][ T6789] dump_stack_lvl+0xf4/0x15c [ 205.035549][ T6789] dump_stack+0x1c/0x5c [ 205.036158][ T6789] sysfs_create_dir_ns+0x244/0x264 [ 205.036903][ T6789] kobject_add_internal+0x5ac/0xc3c [ 205.037655][ T6789] kobject_init_and_add+0x124/0x190 [ 205.038411][ T6789] gfs2_sys_fs_add+0x200/0x41c [ 205.039104][ T6789] gfs2_fill_super+0xddc/0x1a18 [ 205.039844][ T6789] get_tree_bdev+0x358/0x544 [ 205.040488][ T6789] gfs2_get_tree+0x54/0x1b4 [ 205.041136][ T6789] vfs_get_tree+0x90/0x274 [ 205.041831][ T6789] do_new_mount+0x228/0x810 [ 205.042518][ T6789] path_mount+0x5bc/0x1008 [ 205.043194][ T6789] __arm64_sys_mount+0x514/0x5f0 [ 205.043967][ T6789] invoke_syscall+0x98/0x2b0 [ 205.044691][ T6789] el0_svc_common+0x138/0x258 [ 205.045462][ T6789] do_el0_svc+0x58/0x13c [ 205.046093][ T6789] el0_svc+0x78/0x1d0 [ 205.046693][ T6789] el0t_64_sync_handler+0xcc/0xe4 [ 205.047400][ T6789] el0t_64_sync+0x1a0/0x1a4 [ 205.048334][ T6789] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.050392][ T6789] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.214791][ T6792] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.216726][ T6792] CPU: 0 PID: 6792 Comm: syz.1.568 Not tainted syzkaller #0 [ 205.217933][ T6792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.219494][ T6792] Call trace: [ 205.219985][ T6792] dump_backtrace+0x0/0x458 [ 205.220619][ T6792] show_stack+0x2c/0x3c [ 205.221232][ T6792] __dump_stack+0x30/0x40 [ 205.221868][ T6792] dump_stack_lvl+0xf4/0x15c [ 205.222557][ T6792] dump_stack+0x1c/0x5c [ 205.223226][ T6792] sysfs_create_dir_ns+0x244/0x264 [ 205.224000][ T6792] kobject_add_internal+0x5ac/0xc3c [ 205.224832][ T6792] kobject_init_and_add+0x124/0x190 [ 205.225560][ T6792] gfs2_sys_fs_add+0x200/0x41c [ 205.226300][ T6792] gfs2_fill_super+0xddc/0x1a18 [ 205.227071][ T6792] get_tree_bdev+0x358/0x544 [ 205.227724][ T6792] gfs2_get_tree+0x54/0x1b4 [ 205.228423][ T6792] vfs_get_tree+0x90/0x274 [ 205.229075][ T6792] do_new_mount+0x228/0x810 [ 205.229805][ T6792] path_mount+0x5bc/0x1008 [ 205.230535][ T6792] __arm64_sys_mount+0x514/0x5f0 [ 205.231325][ T6792] invoke_syscall+0x98/0x2b0 [ 205.232025][ T6792] el0_svc_common+0x138/0x258 [ 205.232721][ T6792] do_el0_svc+0x58/0x13c [ 205.233361][ T6792] el0_svc+0x78/0x1d0 [ 205.233940][ T6792] el0t_64_sync_handler+0xcc/0xe4 [ 205.234750][ T6792] el0t_64_sync+0x1a0/0x1a4 [ 205.237066][ T6792] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.239285][ T6792] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.379990][ T6795] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.381280][ T6795] CPU: 0 PID: 6795 Comm: syz.1.569 Not tainted syzkaller #0 [ 205.382390][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.383997][ T6795] Call trace: [ 205.384520][ T6795] dump_backtrace+0x0/0x458 [ 205.385191][ T6795] show_stack+0x2c/0x3c [ 205.385856][ T6795] __dump_stack+0x30/0x40 [ 205.386518][ T6795] dump_stack_lvl+0xf4/0x15c [ 205.387200][ T6795] dump_stack+0x1c/0x5c [ 205.387816][ T6795] sysfs_create_dir_ns+0x244/0x264 [ 205.388635][ T6795] kobject_add_internal+0x5ac/0xc3c [ 205.389431][ T6795] kobject_init_and_add+0x124/0x190 [ 205.390205][ T6795] gfs2_sys_fs_add+0x200/0x41c [ 205.390982][ T6795] gfs2_fill_super+0xddc/0x1a18 [ 205.391703][ T6795] get_tree_bdev+0x358/0x544 [ 205.392406][ T6795] gfs2_get_tree+0x54/0x1b4 [ 205.393089][ T6795] vfs_get_tree+0x90/0x274 [ 205.393778][ T6795] do_new_mount+0x228/0x810 [ 205.394453][ T6795] path_mount+0x5bc/0x1008 [ 205.395177][ T6795] __arm64_sys_mount+0x514/0x5f0 [ 205.395925][ T6795] invoke_syscall+0x98/0x2b0 [ 205.396579][ T6795] el0_svc_common+0x138/0x258 [ 205.397293][ T6795] do_el0_svc+0x58/0x13c [ 205.397887][ T6795] el0_svc+0x78/0x1d0 [ 205.398504][ T6795] el0t_64_sync_handler+0xcc/0xe4 [ 205.399276][ T6795] el0t_64_sync+0x1a0/0x1a4 [ 205.401286][ T6795] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.403359][ T6795] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.579868][ T6798] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.581158][ T6798] CPU: 0 PID: 6798 Comm: syz.1.570 Not tainted syzkaller #0 [ 205.582289][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.583949][ T6798] Call trace: [ 205.584441][ T6798] dump_backtrace+0x0/0x458 [ 205.585133][ T6798] show_stack+0x2c/0x3c [ 205.585761][ T6798] __dump_stack+0x30/0x40 [ 205.586425][ T6798] dump_stack_lvl+0xf4/0x15c [ 205.587151][ T6798] dump_stack+0x1c/0x5c [ 205.587794][ T6798] sysfs_create_dir_ns+0x244/0x264 [ 205.588575][ T6798] kobject_add_internal+0x5ac/0xc3c [ 205.589401][ T6798] kobject_init_and_add+0x124/0x190 [ 205.590189][ T6798] gfs2_sys_fs_add+0x200/0x41c [ 205.590932][ T6798] gfs2_fill_super+0xddc/0x1a18 [ 205.591670][ T6798] get_tree_bdev+0x358/0x544 [ 205.592391][ T6798] gfs2_get_tree+0x54/0x1b4 [ 205.593054][ T6798] vfs_get_tree+0x90/0x274 [ 205.593705][ T6798] do_new_mount+0x228/0x810 [ 205.594394][ T6798] path_mount+0x5bc/0x1008 [ 205.595057][ T6798] __arm64_sys_mount+0x514/0x5f0 [ 205.595824][ T6798] invoke_syscall+0x98/0x2b0 [ 205.596535][ T6798] el0_svc_common+0x138/0x258 [ 205.597236][ T6798] do_el0_svc+0x58/0x13c [ 205.597905][ T6798] el0_svc+0x78/0x1d0 [ 205.598483][ T6798] el0t_64_sync_handler+0xcc/0xe4 [ 205.599263][ T6798] el0t_64_sync+0x1a0/0x1a4 [ 205.601323][ T6798] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.603396][ T6798] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.777337][ T6801] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.778532][ T6801] CPU: 0 PID: 6801 Comm: syz.1.571 Not tainted syzkaller #0 [ 205.779593][ T6801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.781069][ T6801] Call trace: [ 205.781561][ T6801] dump_backtrace+0x0/0x458 [ 205.782281][ T6801] show_stack+0x2c/0x3c [ 205.782913][ T6801] __dump_stack+0x30/0x40 [ 205.783531][ T6801] dump_stack_lvl+0xf4/0x15c [ 205.784236][ T6801] dump_stack+0x1c/0x5c [ 205.784930][ T6801] sysfs_create_dir_ns+0x244/0x264 [ 205.785676][ T6801] kobject_add_internal+0x5ac/0xc3c [ 205.786436][ T6801] kobject_init_and_add+0x124/0x190 [ 205.787212][ T6801] gfs2_sys_fs_add+0x200/0x41c [ 205.787934][ T6801] gfs2_fill_super+0xddc/0x1a18 [ 205.788608][ T6801] get_tree_bdev+0x358/0x544 [ 205.789297][ T6801] gfs2_get_tree+0x54/0x1b4 [ 205.789979][ T6801] vfs_get_tree+0x90/0x274 [ 205.790654][ T6801] do_new_mount+0x228/0x810 [ 205.791318][ T6801] path_mount+0x5bc/0x1008 [ 205.791941][ T6801] __arm64_sys_mount+0x514/0x5f0 [ 205.792696][ T6801] invoke_syscall+0x98/0x2b0 [ 205.793399][ T6801] el0_svc_common+0x138/0x258 [ 205.794100][ T6801] do_el0_svc+0x58/0x13c [ 205.794697][ T6801] el0_svc+0x78/0x1d0 [ 205.795307][ T6801] el0t_64_sync_handler+0xcc/0xe4 [ 205.796092][ T6801] el0t_64_sync+0x1a0/0x1a4 [ 205.798699][ T6801] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.800694][ T6801] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 205.940138][ T6804] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 205.941404][ T6804] CPU: 1 PID: 6804 Comm: syz.1.572 Not tainted syzkaller #0 [ 205.942601][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.944215][ T6804] Call trace: [ 205.944758][ T6804] dump_backtrace+0x0/0x458 [ 205.945467][ T6804] show_stack+0x2c/0x3c [ 205.946128][ T6804] __dump_stack+0x30/0x40 [ 205.946787][ T6804] dump_stack_lvl+0xf4/0x15c [ 205.947473][ T6804] dump_stack+0x1c/0x5c [ 205.948156][ T6804] sysfs_create_dir_ns+0x244/0x264 [ 205.948967][ T6804] kobject_add_internal+0x5ac/0xc3c [ 205.949741][ T6804] kobject_init_and_add+0x124/0x190 [ 205.950574][ T6804] gfs2_sys_fs_add+0x200/0x41c [ 205.951318][ T6804] gfs2_fill_super+0xddc/0x1a18 [ 205.951995][ T6804] get_tree_bdev+0x358/0x544 [ 205.952747][ T6804] gfs2_get_tree+0x54/0x1b4 [ 205.953407][ T6804] vfs_get_tree+0x90/0x274 [ 205.954117][ T6804] do_new_mount+0x228/0x810 [ 205.954830][ T6804] path_mount+0x5bc/0x1008 [ 205.955501][ T6804] __arm64_sys_mount+0x514/0x5f0 [ 205.956231][ T6804] invoke_syscall+0x98/0x2b0 [ 205.956922][ T6804] el0_svc_common+0x138/0x258 [ 205.957619][ T6804] do_el0_svc+0x58/0x13c [ 205.958275][ T6804] el0_svc+0x78/0x1d0 [ 205.958817][ T6804] el0t_64_sync_handler+0xcc/0xe4 [ 205.959588][ T6804] el0t_64_sync+0x1a0/0x1a4 [ 205.961899][ T6804] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 205.964041][ T6804] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 206.145002][ T6807] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 206.146907][ T6807] CPU: 0 PID: 6807 Comm: syz.1.573 Not tainted syzkaller #0 [ 206.148032][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.149587][ T6807] Call trace: [ 206.150031][ T6807] dump_backtrace+0x0/0x458 [ 206.150704][ T6807] show_stack+0x2c/0x3c [ 206.151361][ T6807] __dump_stack+0x30/0x40 [ 206.152027][ T6807] dump_stack_lvl+0xf4/0x15c [ 206.152736][ T6807] dump_stack+0x1c/0x5c [ 206.153355][ T6807] sysfs_create_dir_ns+0x244/0x264 [ 206.154104][ T6807] kobject_add_internal+0x5ac/0xc3c [ 206.154921][ T6807] kobject_init_and_add+0x124/0x190 [ 206.155730][ T6807] gfs2_sys_fs_add+0x200/0x41c [ 206.156461][ T6807] gfs2_fill_super+0xddc/0x1a18 [ 206.157130][ T6807] get_tree_bdev+0x358/0x544 [ 206.157822][ T6807] gfs2_get_tree+0x54/0x1b4 [ 206.158477][ T6807] vfs_get_tree+0x90/0x274 [ 206.159153][ T6807] do_new_mount+0x228/0x810 [ 206.159910][ T6807] path_mount+0x5bc/0x1008 [ 206.160547][ T6807] __arm64_sys_mount+0x514/0x5f0 [ 206.161248][ T6807] invoke_syscall+0x98/0x2b0 [ 206.161917][ T6807] el0_svc_common+0x138/0x258 [ 206.162650][ T6807] do_el0_svc+0x58/0x13c [ 206.163262][ T6807] el0_svc+0x78/0x1d0 [ 206.163853][ T6807] el0t_64_sync_handler+0xcc/0xe4 [ 206.164659][ T6807] el0t_64_sync+0x1a0/0x1a4 [ 206.166998][ T6807] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 206.169154][ T6807] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 206.403152][ T6810] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 206.404438][ T6810] CPU: 1 PID: 6810 Comm: syz.1.574 Not tainted syzkaller #0 [ 206.405600][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.407279][ T6810] Call trace: [ 206.407815][ T6810] dump_backtrace+0x0/0x458 [ 206.408550][ T6810] show_stack+0x2c/0x3c [ 206.409194][ T6810] __dump_stack+0x30/0x40 [ 206.409852][ T6810] dump_stack_lvl+0xf4/0x15c [ 206.410533][ T6810] dump_stack+0x1c/0x5c [ 206.411118][ T6810] sysfs_create_dir_ns+0x244/0x264 [ 206.411906][ T6810] kobject_add_internal+0x5ac/0xc3c [ 206.412730][ T6810] kobject_init_and_add+0x124/0x190 [ 206.413549][ T6810] gfs2_sys_fs_add+0x200/0x41c [ 206.414277][ T6810] gfs2_fill_super+0xddc/0x1a18 [ 206.415028][ T6810] get_tree_bdev+0x358/0x544 [ 206.415782][ T6810] gfs2_get_tree+0x54/0x1b4 [ 206.416489][ T6810] vfs_get_tree+0x90/0x274 [ 206.417174][ T6810] do_new_mount+0x228/0x810 [ 206.417835][ T6810] path_mount+0x5bc/0x1008 [ 206.418475][ T6810] __arm64_sys_mount+0x514/0x5f0 [ 206.419259][ T6810] invoke_syscall+0x98/0x2b0 [ 206.419964][ T6810] el0_svc_common+0x138/0x258 [ 206.420688][ T6810] do_el0_svc+0x58/0x13c [ 206.421315][ T6810] el0_svc+0x78/0x1d0 [ 206.421948][ T6810] el0t_64_sync_handler+0xcc/0xe4 [ 206.422718][ T6810] el0t_64_sync+0x1a0/0x1a4 [ 206.424939][ T6810] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 206.427081][ T6810] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 206.566234][ T6813] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 206.567591][ T6813] CPU: 0 PID: 6813 Comm: syz.1.575 Not tainted syzkaller #0 [ 206.568650][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.570166][ T6813] Call trace: [ 206.570628][ T6813] dump_backtrace+0x0/0x458 [ 206.571242][ T6813] show_stack+0x2c/0x3c [ 206.571887][ T6813] __dump_stack+0x30/0x40 [ 206.572509][ T6813] dump_stack_lvl+0xf4/0x15c [ 206.573195][ T6813] dump_stack+0x1c/0x5c [ 206.573826][ T6813] sysfs_create_dir_ns+0x244/0x264 [ 206.574597][ T6813] kobject_add_internal+0x5ac/0xc3c [ 206.575307][ T6813] kobject_init_and_add+0x124/0x190 [ 206.576076][ T6813] gfs2_sys_fs_add+0x200/0x41c [ 206.576827][ T6813] gfs2_fill_super+0xddc/0x1a18 [ 206.577580][ T6813] get_tree_bdev+0x358/0x544 [ 206.578255][ T6813] gfs2_get_tree+0x54/0x1b4 [ 206.578948][ T6813] vfs_get_tree+0x90/0x274 [ 206.579670][ T6813] do_new_mount+0x228/0x810 [ 206.580466][ T6813] path_mount+0x5bc/0x1008 [ 206.581113][ T6813] __arm64_sys_mount+0x514/0x5f0 [ 206.581885][ T6813] invoke_syscall+0x98/0x2b0 [ 206.582559][ T6813] el0_svc_common+0x138/0x258 [ 206.583303][ T6813] do_el0_svc+0x58/0x13c [ 206.584044][ T6813] el0_svc+0x78/0x1d0 [ 206.584739][ T6813] el0t_64_sync_handler+0xcc/0xe4 [ 206.585519][ T6813] el0t_64_sync+0x1a0/0x1a4 [ 206.587807][ T6813] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 206.589669][ T6813] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 206.764378][ T6816] set_capacity_and_notify: 14 callbacks suppressed [ 206.764389][ T6816] loop1: detected capacity change from 0 to 32768 [ 206.814923][ T6816] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 206.816475][ T6816] CPU: 0 PID: 6816 Comm: syz.1.576 Not tainted syzkaller #0 [ 206.817680][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.819243][ T6816] Call trace: [ 206.819787][ T6816] dump_backtrace+0x0/0x458 [ 206.820513][ T6816] show_stack+0x2c/0x3c [ 206.821159][ T6816] __dump_stack+0x30/0x40 [ 206.821844][ T6816] dump_stack_lvl+0xf4/0x15c [ 206.822561][ T6816] dump_stack+0x1c/0x5c [ 206.823145][ T6816] sysfs_create_dir_ns+0x244/0x264 [ 206.823946][ T6816] kobject_add_internal+0x5ac/0xc3c [ 206.824749][ T6816] kobject_init_and_add+0x124/0x190 [ 206.825523][ T6816] gfs2_sys_fs_add+0x200/0x41c [ 206.826241][ T6816] gfs2_fill_super+0xddc/0x1a18 [ 206.827004][ T6816] get_tree_bdev+0x358/0x544 [ 206.827726][ T6816] gfs2_get_tree+0x54/0x1b4 [ 206.828417][ T6816] vfs_get_tree+0x90/0x274 [ 206.829109][ T6816] do_new_mount+0x228/0x810 [ 206.829859][ T6816] path_mount+0x5bc/0x1008 [ 206.830580][ T6816] __arm64_sys_mount+0x514/0x5f0 [ 206.831337][ T6816] invoke_syscall+0x98/0x2b0 [ 206.832056][ T6816] el0_svc_common+0x138/0x258 [ 206.832761][ T6816] do_el0_svc+0x58/0x13c [ 206.833382][ T6816] el0_svc+0x78/0x1d0 [ 206.834083][ T6816] el0t_64_sync_handler+0xcc/0xe4 [ 206.834913][ T6816] el0t_64_sync+0x1a0/0x1a4 [ 206.836449][ T6816] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 206.838576][ T6816] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:26 executed programs: 563 [ 206.967194][ T6819] loop1: detected capacity change from 0 to 32768 [ 207.045311][ T6819] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 207.046456][ T6819] CPU: 1 PID: 6819 Comm: syz.1.577 Not tainted syzkaller #0 [ 207.047551][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.049159][ T6819] Call trace: [ 207.049625][ T6819] dump_backtrace+0x0/0x458 [ 207.050361][ T6819] show_stack+0x2c/0x3c [ 207.050993][ T6819] __dump_stack+0x30/0x40 [ 207.051688][ T6819] dump_stack_lvl+0xf4/0x15c [ 207.052355][ T6819] dump_stack+0x1c/0x5c [ 207.053007][ T6819] sysfs_create_dir_ns+0x244/0x264 [ 207.053811][ T6819] kobject_add_internal+0x5ac/0xc3c [ 207.054648][ T6819] kobject_init_and_add+0x124/0x190 [ 207.055472][ T6819] gfs2_sys_fs_add+0x200/0x41c [ 207.056246][ T6819] gfs2_fill_super+0xddc/0x1a18 [ 207.057040][ T6819] get_tree_bdev+0x358/0x544 [ 207.057703][ T6819] gfs2_get_tree+0x54/0x1b4 [ 207.058454][ T6819] vfs_get_tree+0x90/0x274 [ 207.059122][ T6819] do_new_mount+0x228/0x810 [ 207.059826][ T6819] path_mount+0x5bc/0x1008 [ 207.060473][ T6819] __arm64_sys_mount+0x514/0x5f0 [ 207.061237][ T6819] invoke_syscall+0x98/0x2b0 [ 207.061914][ T6819] el0_svc_common+0x138/0x258 [ 207.062592][ T6819] do_el0_svc+0x58/0x13c [ 207.063166][ T6819] el0_svc+0x78/0x1d0 [ 207.063815][ T6819] el0t_64_sync_handler+0xcc/0xe4 [ 207.064549][ T6819] el0t_64_sync+0x1a0/0x1a4 [ 207.066659][ T6819] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 207.068912][ T6819] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 207.207443][ T6822] loop1: detected capacity change from 0 to 32768 [ 207.244411][ T6822] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 207.245656][ T6822] CPU: 1 PID: 6822 Comm: syz.1.578 Not tainted syzkaller #0 [ 207.246767][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.248266][ T6822] Call trace: [ 207.248738][ T6822] dump_backtrace+0x0/0x458 [ 207.249435][ T6822] show_stack+0x2c/0x3c [ 207.250118][ T6822] __dump_stack+0x30/0x40 [ 207.250782][ T6822] dump_stack_lvl+0xf4/0x15c [ 207.251479][ T6822] dump_stack+0x1c/0x5c [ 207.252068][ T6822] sysfs_create_dir_ns+0x244/0x264 [ 207.252871][ T6822] kobject_add_internal+0x5ac/0xc3c [ 207.253717][ T6822] kobject_init_and_add+0x124/0x190 [ 207.254498][ T6822] gfs2_sys_fs_add+0x200/0x41c [ 207.255281][ T6822] gfs2_fill_super+0xddc/0x1a18 [ 207.256058][ T6822] get_tree_bdev+0x358/0x544 [ 207.256721][ T6822] gfs2_get_tree+0x54/0x1b4 [ 207.257441][ T6822] vfs_get_tree+0x90/0x274 [ 207.258118][ T6822] do_new_mount+0x228/0x810 [ 207.258821][ T6822] path_mount+0x5bc/0x1008 [ 207.259494][ T6822] __arm64_sys_mount+0x514/0x5f0 [ 207.260279][ T6822] invoke_syscall+0x98/0x2b0 [ 207.261012][ T6822] el0_svc_common+0x138/0x258 [ 207.261731][ T6822] do_el0_svc+0x58/0x13c [ 207.262376][ T6822] el0_svc+0x78/0x1d0 [ 207.262981][ T6822] el0t_64_sync_handler+0xcc/0xe4 [ 207.263732][ T6822] el0t_64_sync+0x1a0/0x1a4 [ 207.265862][ T6822] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 207.267827][ T6822] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 207.396685][ T6825] loop1: detected capacity change from 0 to 32768 [ 207.467612][ T6825] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 207.468902][ T6825] CPU: 1 PID: 6825 Comm: syz.1.579 Not tainted syzkaller #0 [ 207.470136][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.471903][ T6825] Call trace: [ 207.472385][ T6825] dump_backtrace+0x0/0x458 [ 207.473069][ T6825] show_stack+0x2c/0x3c [ 207.473763][ T6825] __dump_stack+0x30/0x40 [ 207.474378][ T6825] dump_stack_lvl+0xf4/0x15c [ 207.475112][ T6825] dump_stack+0x1c/0x5c [ 207.475768][ T6825] sysfs_create_dir_ns+0x244/0x264 [ 207.476542][ T6825] kobject_add_internal+0x5ac/0xc3c [ 207.477354][ T6825] kobject_init_and_add+0x124/0x190 [ 207.478157][ T6825] gfs2_sys_fs_add+0x200/0x41c [ 207.478907][ T6825] gfs2_fill_super+0xddc/0x1a18 [ 207.479627][ T6825] get_tree_bdev+0x358/0x544 [ 207.480357][ T6825] gfs2_get_tree+0x54/0x1b4 [ 207.481011][ T6825] vfs_get_tree+0x90/0x274 [ 207.481669][ T6825] do_new_mount+0x228/0x810 [ 207.482369][ T6825] path_mount+0x5bc/0x1008 [ 207.483036][ T6825] __arm64_sys_mount+0x514/0x5f0 [ 207.483817][ T6825] invoke_syscall+0x98/0x2b0 [ 207.484465][ T6825] el0_svc_common+0x138/0x258 [ 207.485219][ T6825] do_el0_svc+0x58/0x13c [ 207.485849][ T6825] el0_svc+0x78/0x1d0 [ 207.486497][ T6825] el0t_64_sync_handler+0xcc/0xe4 [ 207.487262][ T6825] el0t_64_sync+0x1a0/0x1a4 [ 207.489419][ T6825] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 207.491427][ T6825] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 207.622605][ T6828] loop1: detected capacity change from 0 to 32768 [ 207.674348][ T6828] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 207.675536][ T6828] CPU: 1 PID: 6828 Comm: syz.1.580 Not tainted syzkaller #0 [ 207.676645][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.678100][ T6828] Call trace: [ 207.678615][ T6828] dump_backtrace+0x0/0x458 [ 207.679319][ T6828] show_stack+0x2c/0x3c [ 207.679921][ T6828] __dump_stack+0x30/0x40 [ 207.680548][ T6828] dump_stack_lvl+0xf4/0x15c [ 207.681240][ T6828] dump_stack+0x1c/0x5c [ 207.681860][ T6828] sysfs_create_dir_ns+0x244/0x264 [ 207.682780][ T6828] kobject_add_internal+0x5ac/0xc3c [ 207.683675][ T6828] kobject_init_and_add+0x124/0x190 [ 207.684549][ T6828] gfs2_sys_fs_add+0x200/0x41c [ 207.685297][ T6828] gfs2_fill_super+0xddc/0x1a18 [ 207.686104][ T6828] get_tree_bdev+0x358/0x544 [ 207.686864][ T6828] gfs2_get_tree+0x54/0x1b4 [ 207.687567][ T6828] vfs_get_tree+0x90/0x274 [ 207.688288][ T6828] do_new_mount+0x228/0x810 [ 207.688991][ T6828] path_mount+0x5bc/0x1008 [ 207.689680][ T6828] __arm64_sys_mount+0x514/0x5f0 [ 207.690436][ T6828] invoke_syscall+0x98/0x2b0 [ 207.691123][ T6828] el0_svc_common+0x138/0x258 [ 207.691941][ T6828] do_el0_svc+0x58/0x13c [ 207.692537][ T6828] el0_svc+0x78/0x1d0 [ 207.693111][ T6828] el0t_64_sync_handler+0xcc/0xe4 [ 207.693833][ T6828] el0t_64_sync+0x1a0/0x1a4 [ 207.696054][ T6828] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 207.698070][ T6828] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 207.837093][ T6831] loop1: detected capacity change from 0 to 32768 [ 207.874489][ T6831] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 207.875685][ T6831] CPU: 1 PID: 6831 Comm: syz.1.581 Not tainted syzkaller #0 [ 207.876833][ T6831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.878309][ T6831] Call trace: [ 207.878831][ T6831] dump_backtrace+0x0/0x458 [ 207.879475][ T6831] show_stack+0x2c/0x3c [ 207.880042][ T6831] __dump_stack+0x30/0x40 [ 207.880674][ T6831] dump_stack_lvl+0xf4/0x15c [ 207.881339][ T6831] dump_stack+0x1c/0x5c [ 207.881964][ T6831] sysfs_create_dir_ns+0x244/0x264 [ 207.882780][ T6831] kobject_add_internal+0x5ac/0xc3c [ 207.883547][ T6831] kobject_init_and_add+0x124/0x190 [ 207.884313][ T6831] gfs2_sys_fs_add+0x200/0x41c [ 207.885111][ T6831] gfs2_fill_super+0xddc/0x1a18 [ 207.885971][ T6831] get_tree_bdev+0x358/0x544 [ 207.886681][ T6831] gfs2_get_tree+0x54/0x1b4 [ 207.887379][ T6831] vfs_get_tree+0x90/0x274 [ 207.888071][ T6831] do_new_mount+0x228/0x810 [ 207.888726][ T6831] path_mount+0x5bc/0x1008 [ 207.889445][ T6831] __arm64_sys_mount+0x514/0x5f0 [ 207.890117][ T6831] invoke_syscall+0x98/0x2b0 [ 207.890842][ T6831] el0_svc_common+0x138/0x258 [ 207.891583][ T6831] do_el0_svc+0x58/0x13c [ 207.892233][ T6831] el0_svc+0x78/0x1d0 [ 207.892820][ T6831] el0t_64_sync_handler+0xcc/0xe4 [ 207.893585][ T6831] el0t_64_sync+0x1a0/0x1a4 [ 207.894424][ T6831] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 207.896557][ T6831] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 208.070424][ T6834] loop1: detected capacity change from 0 to 32768 [ 208.130043][ T6834] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 208.131409][ T6834] CPU: 1 PID: 6834 Comm: syz.1.582 Not tainted syzkaller #0 [ 208.132582][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.134139][ T6834] Call trace: [ 208.134613][ T6834] dump_backtrace+0x0/0x458 [ 208.135329][ T6834] show_stack+0x2c/0x3c [ 208.135976][ T6834] __dump_stack+0x30/0x40 [ 208.136616][ T6834] dump_stack_lvl+0xf4/0x15c [ 208.137359][ T6834] dump_stack+0x1c/0x5c [ 208.138000][ T6834] sysfs_create_dir_ns+0x244/0x264 [ 208.138827][ T6834] kobject_add_internal+0x5ac/0xc3c [ 208.139589][ T6834] kobject_init_and_add+0x124/0x190 [ 208.140324][ T6834] gfs2_sys_fs_add+0x200/0x41c [ 208.141002][ T6834] gfs2_fill_super+0xddc/0x1a18 [ 208.141732][ T6834] get_tree_bdev+0x358/0x544 [ 208.142440][ T6834] gfs2_get_tree+0x54/0x1b4 [ 208.143140][ T6834] vfs_get_tree+0x90/0x274 [ 208.143836][ T6834] do_new_mount+0x228/0x810 [ 208.144546][ T6834] path_mount+0x5bc/0x1008 [ 208.145215][ T6834] __arm64_sys_mount+0x514/0x5f0 [ 208.145965][ T6834] invoke_syscall+0x98/0x2b0 [ 208.146685][ T6834] el0_svc_common+0x138/0x258 [ 208.147430][ T6834] do_el0_svc+0x58/0x13c [ 208.148114][ T6834] el0_svc+0x78/0x1d0 [ 208.148734][ T6834] el0t_64_sync_handler+0xcc/0xe4 [ 208.149523][ T6834] el0t_64_sync+0x1a0/0x1a4 [ 208.153005][ T6834] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 208.155099][ T6834] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 208.284692][ T6837] loop1: detected capacity change from 0 to 32768 [ 208.287445][ T6837] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 208.288629][ T6837] CPU: 1 PID: 6837 Comm: syz.1.583 Not tainted syzkaller #0 [ 208.289761][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.291329][ T6837] Call trace: [ 208.291852][ T6837] dump_backtrace+0x0/0x458 [ 208.292477][ T6837] show_stack+0x2c/0x3c [ 208.293084][ T6837] __dump_stack+0x30/0x40 [ 208.293711][ T6837] dump_stack_lvl+0xf4/0x15c [ 208.294463][ T6837] dump_stack+0x1c/0x5c [ 208.295096][ T6837] sysfs_create_dir_ns+0x244/0x264 [ 208.295879][ T6837] kobject_add_internal+0x5ac/0xc3c [ 208.296709][ T6837] kobject_init_and_add+0x124/0x190 [ 208.297544][ T6837] gfs2_sys_fs_add+0x200/0x41c [ 208.298332][ T6837] gfs2_fill_super+0xddc/0x1a18 [ 208.299048][ T6837] get_tree_bdev+0x358/0x544 [ 208.299733][ T6837] gfs2_get_tree+0x54/0x1b4 [ 208.300410][ T6837] vfs_get_tree+0x90/0x274 [ 208.301093][ T6837] do_new_mount+0x228/0x810 [ 208.301753][ T6837] path_mount+0x5bc/0x1008 [ 208.302436][ T6837] __arm64_sys_mount+0x514/0x5f0 [ 208.303154][ T6837] invoke_syscall+0x98/0x2b0 [ 208.303852][ T6837] el0_svc_common+0x138/0x258 [ 208.304552][ T6837] do_el0_svc+0x58/0x13c [ 208.305221][ T6837] el0_svc+0x78/0x1d0 [ 208.305821][ T6837] el0t_64_sync_handler+0xcc/0xe4 [ 208.306605][ T6837] el0t_64_sync+0x1a0/0x1a4 [ 208.309807][ T6837] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 208.311988][ T6837] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 208.448402][ T6840] loop1: detected capacity change from 0 to 32768 [ 208.456474][ T6840] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 208.457740][ T6840] CPU: 0 PID: 6840 Comm: syz.1.584 Not tainted syzkaller #0 [ 208.458798][ T6840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.460264][ T6840] Call trace: [ 208.460781][ T6840] dump_backtrace+0x0/0x458 [ 208.461604][ T6840] show_stack+0x2c/0x3c [ 208.462282][ T6840] __dump_stack+0x30/0x40 [ 208.463001][ T6840] dump_stack_lvl+0xf4/0x15c [ 208.463765][ T6840] dump_stack+0x1c/0x5c [ 208.464393][ T6840] sysfs_create_dir_ns+0x244/0x264 [ 208.465242][ T6840] kobject_add_internal+0x5ac/0xc3c [ 208.466061][ T6840] kobject_init_and_add+0x124/0x190 [ 208.466819][ T6840] gfs2_sys_fs_add+0x200/0x41c [ 208.467562][ T6840] gfs2_fill_super+0xddc/0x1a18 [ 208.468385][ T6840] get_tree_bdev+0x358/0x544 [ 208.469076][ T6840] gfs2_get_tree+0x54/0x1b4 [ 208.469789][ T6840] vfs_get_tree+0x90/0x274 [ 208.470450][ T6840] do_new_mount+0x228/0x810 [ 208.471157][ T6840] path_mount+0x5bc/0x1008 [ 208.471852][ T6840] __arm64_sys_mount+0x514/0x5f0 [ 208.472580][ T6840] invoke_syscall+0x98/0x2b0 [ 208.473306][ T6840] el0_svc_common+0x138/0x258 [ 208.474021][ T6840] do_el0_svc+0x58/0x13c [ 208.474782][ T6840] el0_svc+0x78/0x1d0 [ 208.475493][ T6840] el0t_64_sync_handler+0xcc/0xe4 [ 208.476316][ T6840] el0t_64_sync+0x1a0/0x1a4 [ 208.478613][ T6840] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 208.480644][ T6840] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 208.661277][ T6843] loop1: detected capacity change from 0 to 32768 [ 208.668089][ T6843] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 208.669377][ T6843] CPU: 0 PID: 6843 Comm: syz.1.585 Not tainted syzkaller #0 [ 208.670587][ T6843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.672063][ T6843] Call trace: [ 208.672538][ T6843] dump_backtrace+0x0/0x458 [ 208.673208][ T6843] show_stack+0x2c/0x3c [ 208.673891][ T6843] __dump_stack+0x30/0x40 [ 208.674530][ T6843] dump_stack_lvl+0xf4/0x15c [ 208.675295][ T6843] dump_stack+0x1c/0x5c [ 208.675927][ T6843] sysfs_create_dir_ns+0x244/0x264 [ 208.676753][ T6843] kobject_add_internal+0x5ac/0xc3c [ 208.677485][ T6843] kobject_init_and_add+0x124/0x190 [ 208.678293][ T6843] gfs2_sys_fs_add+0x200/0x41c [ 208.679052][ T6843] gfs2_fill_super+0xddc/0x1a18 [ 208.679741][ T6843] get_tree_bdev+0x358/0x544 [ 208.680435][ T6843] gfs2_get_tree+0x54/0x1b4 [ 208.681114][ T6843] vfs_get_tree+0x90/0x274 [ 208.681780][ T6843] do_new_mount+0x228/0x810 [ 208.682476][ T6843] path_mount+0x5bc/0x1008 [ 208.683092][ T6843] __arm64_sys_mount+0x514/0x5f0 [ 208.683871][ T6843] invoke_syscall+0x98/0x2b0 [ 208.684577][ T6843] el0_svc_common+0x138/0x258 [ 208.685309][ T6843] do_el0_svc+0x58/0x13c [ 208.685947][ T6843] el0_svc+0x78/0x1d0 [ 208.686505][ T6843] el0t_64_sync_handler+0xcc/0xe4 [ 208.687238][ T6843] el0t_64_sync+0x1a0/0x1a4 [ 208.689403][ T6843] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 208.691389][ T6843] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 208.898020][ T6846] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 208.899244][ T6846] CPU: 0 PID: 6846 Comm: syz.1.586 Not tainted syzkaller #0 [ 208.900413][ T6846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.902076][ T6846] Call trace: [ 208.902593][ T6846] dump_backtrace+0x0/0x458 [ 208.903271][ T6846] show_stack+0x2c/0x3c [ 208.903922][ T6846] __dump_stack+0x30/0x40 [ 208.904628][ T6846] dump_stack_lvl+0xf4/0x15c [ 208.905373][ T6846] dump_stack+0x1c/0x5c [ 208.906048][ T6846] sysfs_create_dir_ns+0x244/0x264 [ 208.906886][ T6846] kobject_add_internal+0x5ac/0xc3c [ 208.907702][ T6846] kobject_init_and_add+0x124/0x190 [ 208.908506][ T6846] gfs2_sys_fs_add+0x200/0x41c [ 208.909230][ T6846] gfs2_fill_super+0xddc/0x1a18 [ 208.909930][ T6846] get_tree_bdev+0x358/0x544 [ 208.910634][ T6846] gfs2_get_tree+0x54/0x1b4 [ 208.911350][ T6846] vfs_get_tree+0x90/0x274 [ 208.912018][ T6846] do_new_mount+0x228/0x810 [ 208.912710][ T6846] path_mount+0x5bc/0x1008 [ 208.913407][ T6846] __arm64_sys_mount+0x514/0x5f0 [ 208.914137][ T6846] invoke_syscall+0x98/0x2b0 [ 208.914817][ T6846] el0_svc_common+0x138/0x258 [ 208.915534][ T6846] do_el0_svc+0x58/0x13c [ 208.916184][ T6846] el0_svc+0x78/0x1d0 [ 208.916774][ T6846] el0t_64_sync_handler+0xcc/0xe4 [ 208.917548][ T6846] el0t_64_sync+0x1a0/0x1a4 [ 208.919107][ T6846] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 208.921671][ T6846] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 209.097773][ T6849] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 209.098981][ T6849] CPU: 0 PID: 6849 Comm: syz.1.587 Not tainted syzkaller #0 [ 209.100025][ T6849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.101490][ T6849] Call trace: [ 209.102002][ T6849] dump_backtrace+0x0/0x458 [ 209.102681][ T6849] show_stack+0x2c/0x3c [ 209.103303][ T6849] __dump_stack+0x30/0x40 [ 209.103955][ T6849] dump_stack_lvl+0xf4/0x15c [ 209.104612][ T6849] dump_stack+0x1c/0x5c [ 209.105242][ T6849] sysfs_create_dir_ns+0x244/0x264 [ 209.106037][ T6849] kobject_add_internal+0x5ac/0xc3c [ 209.106805][ T6849] kobject_init_and_add+0x124/0x190 [ 209.107589][ T6849] gfs2_sys_fs_add+0x200/0x41c [ 209.108311][ T6849] gfs2_fill_super+0xddc/0x1a18 [ 209.109051][ T6849] get_tree_bdev+0x358/0x544 [ 209.109736][ T6849] gfs2_get_tree+0x54/0x1b4 [ 209.110378][ T6849] vfs_get_tree+0x90/0x274 [ 209.111069][ T6849] do_new_mount+0x228/0x810 [ 209.111776][ T6849] path_mount+0x5bc/0x1008 [ 209.112422][ T6849] __arm64_sys_mount+0x514/0x5f0 [ 209.113201][ T6849] invoke_syscall+0x98/0x2b0 [ 209.113874][ T6849] el0_svc_common+0x138/0x258 [ 209.114676][ T6849] do_el0_svc+0x58/0x13c [ 209.115401][ T6849] el0_svc+0x78/0x1d0 [ 209.116012][ T6849] el0t_64_sync_handler+0xcc/0xe4 [ 209.116804][ T6849] el0t_64_sync+0x1a0/0x1a4 [ 209.118837][ T6849] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 209.120901][ T6849] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 209.319911][ T6852] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 209.321183][ T6852] CPU: 0 PID: 6852 Comm: syz.1.588 Not tainted syzkaller #0 [ 209.322319][ T6852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.323934][ T6852] Call trace: [ 209.324442][ T6852] dump_backtrace+0x0/0x458 [ 209.325141][ T6852] show_stack+0x2c/0x3c [ 209.325750][ T6852] __dump_stack+0x30/0x40 [ 209.326410][ T6852] dump_stack_lvl+0xf4/0x15c [ 209.327131][ T6852] dump_stack+0x1c/0x5c [ 209.327769][ T6852] sysfs_create_dir_ns+0x244/0x264 [ 209.328532][ T6852] kobject_add_internal+0x5ac/0xc3c [ 209.329369][ T6852] kobject_init_and_add+0x124/0x190 [ 209.330158][ T6852] gfs2_sys_fs_add+0x200/0x41c [ 209.330922][ T6852] gfs2_fill_super+0xddc/0x1a18 [ 209.331670][ T6852] get_tree_bdev+0x358/0x544 [ 209.332343][ T6852] gfs2_get_tree+0x54/0x1b4 [ 209.333014][ T6852] vfs_get_tree+0x90/0x274 [ 209.333726][ T6852] do_new_mount+0x228/0x810 [ 209.334415][ T6852] path_mount+0x5bc/0x1008 [ 209.335101][ T6852] __arm64_sys_mount+0x514/0x5f0 [ 209.335814][ T6852] invoke_syscall+0x98/0x2b0 [ 209.336473][ T6852] el0_svc_common+0x138/0x258 [ 209.337264][ T6852] do_el0_svc+0x58/0x13c [ 209.337928][ T6852] el0_svc+0x78/0x1d0 [ 209.338556][ T6852] el0t_64_sync_handler+0xcc/0xe4 [ 209.339316][ T6852] el0t_64_sync+0x1a0/0x1a4 [ 209.340558][ T6852] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 209.342721][ T6852] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 209.524375][ T6855] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 209.525622][ T6855] CPU: 1 PID: 6855 Comm: syz.1.589 Not tainted syzkaller #0 [ 209.526841][ T6855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.528506][ T6855] Call trace: [ 209.529006][ T6855] dump_backtrace+0x0/0x458 [ 209.529678][ T6855] show_stack+0x2c/0x3c [ 209.530299][ T6855] __dump_stack+0x30/0x40 [ 209.531017][ T6855] dump_stack_lvl+0xf4/0x15c [ 209.531741][ T6855] dump_stack+0x1c/0x5c [ 209.532376][ T6855] sysfs_create_dir_ns+0x244/0x264 [ 209.533189][ T6855] kobject_add_internal+0x5ac/0xc3c [ 209.533967][ T6855] kobject_init_and_add+0x124/0x190 [ 209.534745][ T6855] gfs2_sys_fs_add+0x200/0x41c [ 209.535487][ T6855] gfs2_fill_super+0xddc/0x1a18 [ 209.536179][ T6855] get_tree_bdev+0x358/0x544 [ 209.536930][ T6855] gfs2_get_tree+0x54/0x1b4 [ 209.537670][ T6855] vfs_get_tree+0x90/0x274 [ 209.538375][ T6855] do_new_mount+0x228/0x810 [ 209.539049][ T6855] path_mount+0x5bc/0x1008 [ 209.539792][ T6855] __arm64_sys_mount+0x514/0x5f0 [ 209.540531][ T6855] invoke_syscall+0x98/0x2b0 [ 209.541222][ T6855] el0_svc_common+0x138/0x258 [ 209.541979][ T6855] do_el0_svc+0x58/0x13c [ 209.542611][ T6855] el0_svc+0x78/0x1d0 [ 209.543144][ T6855] el0t_64_sync_handler+0xcc/0xe4 [ 209.543927][ T6855] el0t_64_sync+0x1a0/0x1a4 [ 209.545616][ T6855] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 209.547792][ T6855] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 209.744508][ T6858] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 209.745826][ T6858] CPU: 0 PID: 6858 Comm: syz.1.590 Not tainted syzkaller #0 [ 209.746996][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.748589][ T6858] Call trace: [ 209.749031][ T6858] dump_backtrace+0x0/0x458 [ 209.749709][ T6858] show_stack+0x2c/0x3c [ 209.750342][ T6858] __dump_stack+0x30/0x40 [ 209.750965][ T6858] dump_stack_lvl+0xf4/0x15c [ 209.751701][ T6858] dump_stack+0x1c/0x5c [ 209.752315][ T6858] sysfs_create_dir_ns+0x244/0x264 [ 209.753143][ T6858] kobject_add_internal+0x5ac/0xc3c [ 209.753995][ T6858] kobject_init_and_add+0x124/0x190 [ 209.754771][ T6858] gfs2_sys_fs_add+0x200/0x41c [ 209.755532][ T6858] gfs2_fill_super+0xddc/0x1a18 [ 209.756218][ T6858] get_tree_bdev+0x358/0x544 [ 209.756857][ T6858] gfs2_get_tree+0x54/0x1b4 [ 209.757494][ T6858] vfs_get_tree+0x90/0x274 [ 209.758165][ T6858] do_new_mount+0x228/0x810 [ 209.758841][ T6858] path_mount+0x5bc/0x1008 [ 209.759530][ T6858] __arm64_sys_mount+0x514/0x5f0 [ 209.760334][ T6858] invoke_syscall+0x98/0x2b0 [ 209.761014][ T6858] el0_svc_common+0x138/0x258 [ 209.761722][ T6858] do_el0_svc+0x58/0x13c [ 209.762329][ T6858] el0_svc+0x78/0x1d0 [ 209.762945][ T6858] el0t_64_sync_handler+0xcc/0xe4 [ 209.763691][ T6858] el0t_64_sync+0x1a0/0x1a4 [ 209.764483][ T6858] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 209.766388][ T6858] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 209.964462][ T6861] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 209.965679][ T6861] CPU: 1 PID: 6861 Comm: syz.1.591 Not tainted syzkaller #0 [ 209.966811][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.968351][ T6861] Call trace: [ 209.968820][ T6861] dump_backtrace+0x0/0x458 [ 209.969456][ T6861] show_stack+0x2c/0x3c [ 209.970148][ T6861] __dump_stack+0x30/0x40 [ 209.970797][ T6861] dump_stack_lvl+0xf4/0x15c [ 209.971458][ T6861] dump_stack+0x1c/0x5c [ 209.972069][ T6861] sysfs_create_dir_ns+0x244/0x264 [ 209.972828][ T6861] kobject_add_internal+0x5ac/0xc3c [ 209.973609][ T6861] kobject_init_and_add+0x124/0x190 [ 209.974425][ T6861] gfs2_sys_fs_add+0x200/0x41c [ 209.975194][ T6861] gfs2_fill_super+0xddc/0x1a18 [ 209.975868][ T6861] get_tree_bdev+0x358/0x544 [ 209.976594][ T6861] gfs2_get_tree+0x54/0x1b4 [ 209.977288][ T6861] vfs_get_tree+0x90/0x274 [ 209.978015][ T6861] do_new_mount+0x228/0x810 [ 209.978652][ T6861] path_mount+0x5bc/0x1008 [ 209.979274][ T6861] __arm64_sys_mount+0x514/0x5f0 [ 209.980042][ T6861] invoke_syscall+0x98/0x2b0 [ 209.980721][ T6861] el0_svc_common+0x138/0x258 [ 209.981392][ T6861] do_el0_svc+0x58/0x13c [ 209.982047][ T6861] el0_svc+0x78/0x1d0 [ 209.982685][ T6861] el0t_64_sync_handler+0xcc/0xe4 [ 209.983458][ T6861] el0t_64_sync+0x1a0/0x1a4 [ 209.986684][ T6861] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 209.988708][ T6861] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 210.130275][ T6864] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 210.131456][ T6864] CPU: 0 PID: 6864 Comm: syz.1.592 Not tainted syzkaller #0 [ 210.132618][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.134280][ T6864] Call trace: [ 210.134775][ T6864] dump_backtrace+0x0/0x458 [ 210.135484][ T6864] show_stack+0x2c/0x3c [ 210.136128][ T6864] __dump_stack+0x30/0x40 [ 210.136816][ T6864] dump_stack_lvl+0xf4/0x15c [ 210.137509][ T6864] dump_stack+0x1c/0x5c [ 210.138165][ T6864] sysfs_create_dir_ns+0x244/0x264 [ 210.138957][ T6864] kobject_add_internal+0x5ac/0xc3c [ 210.139803][ T6864] kobject_init_and_add+0x124/0x190 [ 210.140596][ T6864] gfs2_sys_fs_add+0x200/0x41c [ 210.141334][ T6864] gfs2_fill_super+0xddc/0x1a18 [ 210.142128][ T6864] get_tree_bdev+0x358/0x544 [ 210.142904][ T6864] gfs2_get_tree+0x54/0x1b4 [ 210.143611][ T6864] vfs_get_tree+0x90/0x274 [ 210.144279][ T6864] do_new_mount+0x228/0x810 [ 210.144947][ T6864] path_mount+0x5bc/0x1008 [ 210.145610][ T6864] __arm64_sys_mount+0x514/0x5f0 [ 210.146400][ T6864] invoke_syscall+0x98/0x2b0 [ 210.147133][ T6864] el0_svc_common+0x138/0x258 [ 210.147802][ T6864] do_el0_svc+0x58/0x13c [ 210.148403][ T6864] el0_svc+0x78/0x1d0 [ 210.148994][ T6864] el0t_64_sync_handler+0xcc/0xe4 [ 210.149767][ T6864] el0t_64_sync+0x1a0/0x1a4 [ 210.151020][ T6864] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 210.153270][ T6864] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 210.294986][ T6867] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 210.296284][ T6867] CPU: 1 PID: 6867 Comm: syz.1.593 Not tainted syzkaller #0 [ 210.297423][ T6867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.299035][ T6867] Call trace: [ 210.299547][ T6867] dump_backtrace+0x0/0x458 [ 210.300233][ T6867] show_stack+0x2c/0x3c [ 210.300891][ T6867] __dump_stack+0x30/0x40 [ 210.301569][ T6867] dump_stack_lvl+0xf4/0x15c [ 210.302244][ T6867] dump_stack+0x1c/0x5c [ 210.302853][ T6867] sysfs_create_dir_ns+0x244/0x264 [ 210.303665][ T6867] kobject_add_internal+0x5ac/0xc3c [ 210.304439][ T6867] kobject_init_and_add+0x124/0x190 [ 210.305235][ T6867] gfs2_sys_fs_add+0x200/0x41c [ 210.305959][ T6867] gfs2_fill_super+0xddc/0x1a18 [ 210.306715][ T6867] get_tree_bdev+0x358/0x544 [ 210.307461][ T6867] gfs2_get_tree+0x54/0x1b4 [ 210.308155][ T6867] vfs_get_tree+0x90/0x274 [ 210.308861][ T6867] do_new_mount+0x228/0x810 [ 210.309550][ T6867] path_mount+0x5bc/0x1008 [ 210.310201][ T6867] __arm64_sys_mount+0x514/0x5f0 [ 210.310984][ T6867] invoke_syscall+0x98/0x2b0 [ 210.311740][ T6867] el0_svc_common+0x138/0x258 [ 210.312461][ T6867] do_el0_svc+0x58/0x13c [ 210.313135][ T6867] el0_svc+0x78/0x1d0 [ 210.313725][ T6867] el0t_64_sync_handler+0xcc/0xe4 [ 210.314509][ T6867] el0t_64_sync+0x1a0/0x1a4 [ 210.316507][ T6867] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 210.318479][ T6867] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 210.461358][ T6870] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 210.462584][ T6870] CPU: 0 PID: 6870 Comm: syz.1.594 Not tainted syzkaller #0 [ 210.463787][ T6870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.465425][ T6870] Call trace: [ 210.465945][ T6870] dump_backtrace+0x0/0x458 [ 210.466628][ T6870] show_stack+0x2c/0x3c [ 210.467321][ T6870] __dump_stack+0x30/0x40 [ 210.468049][ T6870] dump_stack_lvl+0xf4/0x15c [ 210.468778][ T6870] dump_stack+0x1c/0x5c [ 210.469454][ T6870] sysfs_create_dir_ns+0x244/0x264 [ 210.470162][ T6870] kobject_add_internal+0x5ac/0xc3c [ 210.470910][ T6870] kobject_init_and_add+0x124/0x190 [ 210.471671][ T6870] gfs2_sys_fs_add+0x200/0x41c [ 210.472393][ T6870] gfs2_fill_super+0xddc/0x1a18 [ 210.473136][ T6870] get_tree_bdev+0x358/0x544 [ 210.473833][ T6870] gfs2_get_tree+0x54/0x1b4 [ 210.474548][ T6870] vfs_get_tree+0x90/0x274 [ 210.475179][ T6870] do_new_mount+0x228/0x810 [ 210.475890][ T6870] path_mount+0x5bc/0x1008 [ 210.476539][ T6870] __arm64_sys_mount+0x514/0x5f0 [ 210.477316][ T6870] invoke_syscall+0x98/0x2b0 [ 210.477997][ T6870] el0_svc_common+0x138/0x258 [ 210.478756][ T6870] do_el0_svc+0x58/0x13c [ 210.479412][ T6870] el0_svc+0x78/0x1d0 [ 210.480008][ T6870] el0t_64_sync_handler+0xcc/0xe4 [ 210.480750][ T6870] el0t_64_sync+0x1a0/0x1a4 [ 210.484125][ T6870] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 210.486093][ T6870] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 210.654991][ T6873] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 210.656370][ T6873] CPU: 0 PID: 6873 Comm: syz.1.595 Not tainted syzkaller #0 [ 210.657565][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.659166][ T6873] Call trace: [ 210.659690][ T6873] dump_backtrace+0x0/0x458 [ 210.660428][ T6873] show_stack+0x2c/0x3c [ 210.661094][ T6873] __dump_stack+0x30/0x40 [ 210.661767][ T6873] dump_stack_lvl+0xf4/0x15c [ 210.662449][ T6873] dump_stack+0x1c/0x5c [ 210.663157][ T6873] sysfs_create_dir_ns+0x244/0x264 [ 210.663961][ T6873] kobject_add_internal+0x5ac/0xc3c [ 210.664765][ T6873] kobject_init_and_add+0x124/0x190 [ 210.665558][ T6873] gfs2_sys_fs_add+0x200/0x41c [ 210.666343][ T6873] gfs2_fill_super+0xddc/0x1a18 [ 210.667121][ T6873] get_tree_bdev+0x358/0x544 [ 210.667832][ T6873] gfs2_get_tree+0x54/0x1b4 [ 210.668537][ T6873] vfs_get_tree+0x90/0x274 [ 210.669228][ T6873] do_new_mount+0x228/0x810 [ 210.669862][ T6873] path_mount+0x5bc/0x1008 [ 210.670459][ T6873] __arm64_sys_mount+0x514/0x5f0 [ 210.671191][ T6873] invoke_syscall+0x98/0x2b0 [ 210.671944][ T6873] el0_svc_common+0x138/0x258 [ 210.672671][ T6873] do_el0_svc+0x58/0x13c [ 210.673345][ T6873] el0_svc+0x78/0x1d0 [ 210.673988][ T6873] el0t_64_sync_handler+0xcc/0xe4 [ 210.674682][ T6873] el0t_64_sync+0x1a0/0x1a4 [ 210.677057][ T6873] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 210.679059][ T6873] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 210.819999][ T6876] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 210.821296][ T6876] CPU: 0 PID: 6876 Comm: syz.1.596 Not tainted syzkaller #0 [ 210.822455][ T6876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.823956][ T6876] Call trace: [ 210.824472][ T6876] dump_backtrace+0x0/0x458 [ 210.825211][ T6876] show_stack+0x2c/0x3c [ 210.825857][ T6876] __dump_stack+0x30/0x40 [ 210.826542][ T6876] dump_stack_lvl+0xf4/0x15c [ 210.827273][ T6876] dump_stack+0x1c/0x5c [ 210.827900][ T6876] sysfs_create_dir_ns+0x244/0x264 [ 210.828719][ T6876] kobject_add_internal+0x5ac/0xc3c [ 210.829493][ T6876] kobject_init_and_add+0x124/0x190 [ 210.830326][ T6876] gfs2_sys_fs_add+0x200/0x41c [ 210.831116][ T6876] gfs2_fill_super+0xddc/0x1a18 [ 210.831868][ T6876] get_tree_bdev+0x358/0x544 [ 210.832559][ T6876] gfs2_get_tree+0x54/0x1b4 [ 210.833189][ T6876] vfs_get_tree+0x90/0x274 [ 210.833869][ T6876] do_new_mount+0x228/0x810 [ 210.834517][ T6876] path_mount+0x5bc/0x1008 [ 210.835188][ T6876] __arm64_sys_mount+0x514/0x5f0 [ 210.835913][ T6876] invoke_syscall+0x98/0x2b0 [ 210.836629][ T6876] el0_svc_common+0x138/0x258 [ 210.837294][ T6876] do_el0_svc+0x58/0x13c [ 210.837941][ T6876] el0_svc+0x78/0x1d0 [ 210.838564][ T6876] el0t_64_sync_handler+0xcc/0xe4 [ 210.839403][ T6876] el0t_64_sync+0x1a0/0x1a4 [ 210.842756][ T6876] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 210.844837][ T6876] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 211.039572][ T6879] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 211.040748][ T6879] CPU: 1 PID: 6879 Comm: syz.1.597 Not tainted syzkaller #0 [ 211.041809][ T6879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.043378][ T6879] Call trace: [ 211.043894][ T6879] dump_backtrace+0x0/0x458 [ 211.044599][ T6879] show_stack+0x2c/0x3c [ 211.045193][ T6879] __dump_stack+0x30/0x40 [ 211.045866][ T6879] dump_stack_lvl+0xf4/0x15c [ 211.046585][ T6879] dump_stack+0x1c/0x5c [ 211.047204][ T6879] sysfs_create_dir_ns+0x244/0x264 [ 211.048023][ T6879] kobject_add_internal+0x5ac/0xc3c [ 211.048886][ T6879] kobject_init_and_add+0x124/0x190 [ 211.049676][ T6879] gfs2_sys_fs_add+0x200/0x41c [ 211.050427][ T6879] gfs2_fill_super+0xddc/0x1a18 [ 211.051208][ T6879] get_tree_bdev+0x358/0x544 [ 211.051935][ T6879] gfs2_get_tree+0x54/0x1b4 [ 211.052682][ T6879] vfs_get_tree+0x90/0x274 [ 211.053415][ T6879] do_new_mount+0x228/0x810 [ 211.054118][ T6879] path_mount+0x5bc/0x1008 [ 211.054755][ T6879] __arm64_sys_mount+0x514/0x5f0 [ 211.055447][ T6879] invoke_syscall+0x98/0x2b0 [ 211.056158][ T6879] el0_svc_common+0x138/0x258 [ 211.056866][ T6879] do_el0_svc+0x58/0x13c [ 211.057519][ T6879] el0_svc+0x78/0x1d0 [ 211.058210][ T6879] el0t_64_sync_handler+0xcc/0xe4 [ 211.058977][ T6879] el0t_64_sync+0x1a0/0x1a4 [ 211.059765][ T6879] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 211.061749][ T6879] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 211.235084][ T6882] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 211.236450][ T6882] CPU: 0 PID: 6882 Comm: syz.1.598 Not tainted syzkaller #0 [ 211.237523][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.239076][ T6882] Call trace: [ 211.239608][ T6882] dump_backtrace+0x0/0x458 [ 211.240332][ T6882] show_stack+0x2c/0x3c [ 211.241014][ T6882] __dump_stack+0x30/0x40 [ 211.241701][ T6882] dump_stack_lvl+0xf4/0x15c [ 211.242434][ T6882] dump_stack+0x1c/0x5c [ 211.243083][ T6882] sysfs_create_dir_ns+0x244/0x264 [ 211.243844][ T6882] kobject_add_internal+0x5ac/0xc3c [ 211.244628][ T6882] kobject_init_and_add+0x124/0x190 [ 211.245441][ T6882] gfs2_sys_fs_add+0x200/0x41c [ 211.246221][ T6882] gfs2_fill_super+0xddc/0x1a18 [ 211.246953][ T6882] get_tree_bdev+0x358/0x544 [ 211.247680][ T6882] gfs2_get_tree+0x54/0x1b4 [ 211.248361][ T6882] vfs_get_tree+0x90/0x274 [ 211.249100][ T6882] do_new_mount+0x228/0x810 [ 211.249742][ T6882] path_mount+0x5bc/0x1008 [ 211.250511][ T6882] __arm64_sys_mount+0x514/0x5f0 [ 211.251263][ T6882] invoke_syscall+0x98/0x2b0 [ 211.252233][ T6882] el0_svc_common+0x138/0x258 [ 211.252923][ T6882] do_el0_svc+0x58/0x13c [ 211.253569][ T6882] el0_svc+0x78/0x1d0 [ 211.254197][ T6882] el0t_64_sync_handler+0xcc/0xe4 [ 211.254982][ T6882] el0t_64_sync+0x1a0/0x1a4 [ 211.257107][ T6882] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 211.259240][ T6882] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 211.468986][ T6885] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 211.470284][ T6885] CPU: 0 PID: 6885 Comm: syz.1.599 Not tainted syzkaller #0 [ 211.471328][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.472878][ T6885] Call trace: [ 211.473351][ T6885] dump_backtrace+0x0/0x458 [ 211.474065][ T6885] show_stack+0x2c/0x3c [ 211.474693][ T6885] __dump_stack+0x30/0x40 [ 211.475306][ T6885] dump_stack_lvl+0xf4/0x15c [ 211.476018][ T6885] dump_stack+0x1c/0x5c [ 211.476728][ T6885] sysfs_create_dir_ns+0x244/0x264 [ 211.477493][ T6885] kobject_add_internal+0x5ac/0xc3c [ 211.478323][ T6885] kobject_init_and_add+0x124/0x190 [ 211.479113][ T6885] gfs2_sys_fs_add+0x200/0x41c [ 211.479880][ T6885] gfs2_fill_super+0xddc/0x1a18 [ 211.480633][ T6885] get_tree_bdev+0x358/0x544 [ 211.481311][ T6885] gfs2_get_tree+0x54/0x1b4 [ 211.482012][ T6885] vfs_get_tree+0x90/0x274 [ 211.482721][ T6885] do_new_mount+0x228/0x810 [ 211.483436][ T6885] path_mount+0x5bc/0x1008 [ 211.484098][ T6885] __arm64_sys_mount+0x514/0x5f0 [ 211.484848][ T6885] invoke_syscall+0x98/0x2b0 [ 211.485597][ T6885] el0_svc_common+0x138/0x258 [ 211.486256][ T6885] do_el0_svc+0x58/0x13c [ 211.486982][ T6885] el0_svc+0x78/0x1d0 [ 211.487621][ T6885] el0t_64_sync_handler+0xcc/0xe4 [ 211.488428][ T6885] el0t_64_sync+0x1a0/0x1a4 [ 211.490809][ T6885] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 211.492928][ T6885] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 211.659977][ T6888] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 211.661216][ T6888] CPU: 0 PID: 6888 Comm: syz.1.600 Not tainted syzkaller #0 [ 211.662335][ T6888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.663975][ T6888] Call trace: [ 211.664470][ T6888] dump_backtrace+0x0/0x458 [ 211.665176][ T6888] show_stack+0x2c/0x3c [ 211.665856][ T6888] __dump_stack+0x30/0x40 [ 211.666536][ T6888] dump_stack_lvl+0xf4/0x15c [ 211.667315][ T6888] dump_stack+0x1c/0x5c [ 211.667979][ T6888] sysfs_create_dir_ns+0x244/0x264 [ 211.668777][ T6888] kobject_add_internal+0x5ac/0xc3c [ 211.669622][ T6888] kobject_init_and_add+0x124/0x190 [ 211.670401][ T6888] gfs2_sys_fs_add+0x200/0x41c [ 211.671138][ T6888] gfs2_fill_super+0xddc/0x1a18 [ 211.671846][ T6888] get_tree_bdev+0x358/0x544 [ 211.672536][ T6888] gfs2_get_tree+0x54/0x1b4 [ 211.673272][ T6888] vfs_get_tree+0x90/0x274 [ 211.673938][ T6888] do_new_mount+0x228/0x810 [ 211.674642][ T6888] path_mount+0x5bc/0x1008 [ 211.675353][ T6888] __arm64_sys_mount+0x514/0x5f0 [ 211.676106][ T6888] invoke_syscall+0x98/0x2b0 [ 211.676786][ T6888] el0_svc_common+0x138/0x258 [ 211.677423][ T6888] do_el0_svc+0x58/0x13c [ 211.678116][ T6888] el0_svc+0x78/0x1d0 [ 211.678735][ T6888] el0t_64_sync_handler+0xcc/0xe4 [ 211.679541][ T6888] el0t_64_sync+0x1a0/0x1a4 [ 211.681756][ T6888] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 211.683861][ T6888] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 211.814929][ T6891] set_capacity_and_notify: 15 callbacks suppressed [ 211.814941][ T6891] loop1: detected capacity change from 0 to 32768 [ 211.867722][ T6891] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 211.868901][ T6891] CPU: 0 PID: 6891 Comm: syz.1.601 Not tainted syzkaller #0 [ 211.869918][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.871331][ T6891] Call trace: [ 211.871797][ T6891] dump_backtrace+0x0/0x458 [ 211.872442][ T6891] show_stack+0x2c/0x3c [ 211.873034][ T6891] __dump_stack+0x30/0x40 [ 211.873761][ T6891] dump_stack_lvl+0xf4/0x15c [ 211.874422][ T6891] dump_stack+0x1c/0x5c [ 211.875069][ T6891] sysfs_create_dir_ns+0x244/0x264 [ 211.875860][ T6891] kobject_add_internal+0x5ac/0xc3c [ 211.876656][ T6891] kobject_init_and_add+0x124/0x190 [ 211.877513][ T6891] gfs2_sys_fs_add+0x200/0x41c [ 211.878256][ T6891] gfs2_fill_super+0xddc/0x1a18 [ 211.879029][ T6891] get_tree_bdev+0x358/0x544 [ 211.879727][ T6891] gfs2_get_tree+0x54/0x1b4 [ 211.880405][ T6891] vfs_get_tree+0x90/0x274 [ 211.881069][ T6891] do_new_mount+0x228/0x810 [ 211.881719][ T6891] path_mount+0x5bc/0x1008 [ 211.882403][ T6891] __arm64_sys_mount+0x514/0x5f0 [ 211.883124][ T6891] invoke_syscall+0x98/0x2b0 [ 211.883849][ T6891] el0_svc_common+0x138/0x258 [ 211.884513][ T6891] do_el0_svc+0x58/0x13c [ 211.885198][ T6891] el0_svc+0x78/0x1d0 [ 211.885790][ T6891] el0t_64_sync_handler+0xcc/0xe4 [ 211.886575][ T6891] el0t_64_sync+0x1a0/0x1a4 [ 211.887905][ T6891] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 211.890231][ T6891] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:31 executed programs: 588 [ 212.031685][ T6894] loop1: detected capacity change from 0 to 32768 [ 212.084426][ T6894] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 212.085728][ T6894] CPU: 1 PID: 6894 Comm: syz.1.602 Not tainted syzkaller #0 [ 212.086915][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.088523][ T6894] Call trace: [ 212.089060][ T6894] dump_backtrace+0x0/0x458 [ 212.089780][ T6894] show_stack+0x2c/0x3c [ 212.090466][ T6894] __dump_stack+0x30/0x40 [ 212.091171][ T6894] dump_stack_lvl+0xf4/0x15c [ 212.091889][ T6894] dump_stack+0x1c/0x5c [ 212.092528][ T6894] sysfs_create_dir_ns+0x244/0x264 [ 212.093329][ T6894] kobject_add_internal+0x5ac/0xc3c [ 212.094106][ T6894] kobject_init_and_add+0x124/0x190 [ 212.094896][ T6894] gfs2_sys_fs_add+0x200/0x41c [ 212.095666][ T6894] gfs2_fill_super+0xddc/0x1a18 [ 212.096438][ T6894] get_tree_bdev+0x358/0x544 [ 212.097108][ T6894] gfs2_get_tree+0x54/0x1b4 [ 212.097782][ T6894] vfs_get_tree+0x90/0x274 [ 212.098461][ T6894] do_new_mount+0x228/0x810 [ 212.099172][ T6894] path_mount+0x5bc/0x1008 [ 212.099837][ T6894] __arm64_sys_mount+0x514/0x5f0 [ 212.100571][ T6894] invoke_syscall+0x98/0x2b0 [ 212.101252][ T6894] el0_svc_common+0x138/0x258 [ 212.101988][ T6894] do_el0_svc+0x58/0x13c [ 212.102645][ T6894] el0_svc+0x78/0x1d0 [ 212.103277][ T6894] el0t_64_sync_handler+0xcc/0xe4 [ 212.104075][ T6894] el0t_64_sync+0x1a0/0x1a4 [ 212.106307][ T6894] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 212.108254][ T6894] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 212.241711][ T6897] loop1: detected capacity change from 0 to 32768 [ 212.315526][ T6897] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 212.316852][ T6897] CPU: 0 PID: 6897 Comm: syz.1.603 Not tainted syzkaller #0 [ 212.318066][ T6897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.319646][ T6897] Call trace: [ 212.320168][ T6897] dump_backtrace+0x0/0x458 [ 212.320869][ T6897] show_stack+0x2c/0x3c [ 212.321536][ T6897] __dump_stack+0x30/0x40 [ 212.322198][ T6897] dump_stack_lvl+0xf4/0x15c [ 212.322948][ T6897] dump_stack+0x1c/0x5c [ 212.323631][ T6897] sysfs_create_dir_ns+0x244/0x264 [ 212.324392][ T6897] kobject_add_internal+0x5ac/0xc3c [ 212.325217][ T6897] kobject_init_and_add+0x124/0x190 [ 212.326093][ T6897] gfs2_sys_fs_add+0x200/0x41c [ 212.326849][ T6897] gfs2_fill_super+0xddc/0x1a18 [ 212.327588][ T6897] get_tree_bdev+0x358/0x544 [ 212.328274][ T6897] gfs2_get_tree+0x54/0x1b4 [ 212.329003][ T6897] vfs_get_tree+0x90/0x274 [ 212.329681][ T6897] do_new_mount+0x228/0x810 [ 212.330341][ T6897] path_mount+0x5bc/0x1008 [ 212.331022][ T6897] __arm64_sys_mount+0x514/0x5f0 [ 212.331762][ T6897] invoke_syscall+0x98/0x2b0 [ 212.332495][ T6897] el0_svc_common+0x138/0x258 [ 212.333208][ T6897] do_el0_svc+0x58/0x13c [ 212.333842][ T6897] el0_svc+0x78/0x1d0 [ 212.334483][ T6897] el0t_64_sync_handler+0xcc/0xe4 [ 212.335334][ T6897] el0t_64_sync+0x1a0/0x1a4 [ 212.337454][ T6897] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 212.339590][ T6897] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 212.476304][ T6900] loop1: detected capacity change from 0 to 32768 [ 212.514326][ T6900] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 212.515616][ T6900] CPU: 1 PID: 6900 Comm: syz.1.604 Not tainted syzkaller #0 [ 212.516751][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.518357][ T6900] Call trace: [ 212.518850][ T6900] dump_backtrace+0x0/0x458 [ 212.519549][ T6900] show_stack+0x2c/0x3c [ 212.520221][ T6900] __dump_stack+0x30/0x40 [ 212.520871][ T6900] dump_stack_lvl+0xf4/0x15c [ 212.521552][ T6900] dump_stack+0x1c/0x5c [ 212.522152][ T6900] sysfs_create_dir_ns+0x244/0x264 [ 212.522871][ T6900] kobject_add_internal+0x5ac/0xc3c [ 212.523729][ T6900] kobject_init_and_add+0x124/0x190 [ 212.524565][ T6900] gfs2_sys_fs_add+0x200/0x41c [ 212.525373][ T6900] gfs2_fill_super+0xddc/0x1a18 [ 212.526100][ T6900] get_tree_bdev+0x358/0x544 [ 212.526833][ T6900] gfs2_get_tree+0x54/0x1b4 [ 212.527495][ T6900] vfs_get_tree+0x90/0x274 [ 212.528219][ T6900] do_new_mount+0x228/0x810 [ 212.528891][ T6900] path_mount+0x5bc/0x1008 [ 212.529519][ T6900] __arm64_sys_mount+0x514/0x5f0 [ 212.530137][ T6900] invoke_syscall+0x98/0x2b0 [ 212.530716][ T6900] el0_svc_common+0x138/0x258 [ 212.531295][ T6900] do_el0_svc+0x58/0x13c [ 212.531828][ T6900] el0_svc+0x78/0x1d0 [ 212.532326][ T6900] el0t_64_sync_handler+0xcc/0xe4 [ 212.532950][ T6900] el0t_64_sync+0x1a0/0x1a4 [ 212.534944][ T6900] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 212.536661][ T6900] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 212.681901][ T6903] loop1: detected capacity change from 0 to 32768 [ 212.689459][ T6903] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 212.690640][ T6903] CPU: 0 PID: 6903 Comm: syz.1.605 Not tainted syzkaller #0 [ 212.691761][ T6903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.693330][ T6903] Call trace: [ 212.693834][ T6903] dump_backtrace+0x0/0x458 [ 212.694556][ T6903] show_stack+0x2c/0x3c [ 212.695207][ T6903] __dump_stack+0x30/0x40 [ 212.695806][ T6903] dump_stack_lvl+0xf4/0x15c [ 212.696500][ T6903] dump_stack+0x1c/0x5c [ 212.697123][ T6903] sysfs_create_dir_ns+0x244/0x264 [ 212.697904][ T6903] kobject_add_internal+0x5ac/0xc3c [ 212.698759][ T6903] kobject_init_and_add+0x124/0x190 [ 212.699577][ T6903] gfs2_sys_fs_add+0x200/0x41c [ 212.700283][ T6903] gfs2_fill_super+0xddc/0x1a18 [ 212.700973][ T6903] get_tree_bdev+0x358/0x544 [ 212.701669][ T6903] gfs2_get_tree+0x54/0x1b4 [ 212.702331][ T6903] vfs_get_tree+0x90/0x274 [ 212.703027][ T6903] do_new_mount+0x228/0x810 [ 212.703722][ T6903] path_mount+0x5bc/0x1008 [ 212.704352][ T6903] __arm64_sys_mount+0x514/0x5f0 [ 212.705107][ T6903] invoke_syscall+0x98/0x2b0 [ 212.705871][ T6903] el0_svc_common+0x138/0x258 [ 212.706595][ T6903] do_el0_svc+0x58/0x13c [ 212.707204][ T6903] el0_svc+0x78/0x1d0 [ 212.707795][ T6903] el0t_64_sync_handler+0xcc/0xe4 [ 212.708546][ T6903] el0t_64_sync+0x1a0/0x1a4 [ 212.709567][ T6903] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 212.711556][ T6903] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 212.842242][ T6906] loop1: detected capacity change from 0 to 32768 [ 212.849967][ T6906] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 212.851169][ T6906] CPU: 1 PID: 6906 Comm: syz.1.606 Not tainted syzkaller #0 [ 212.852418][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.854058][ T6906] Call trace: [ 212.854573][ T6906] dump_backtrace+0x0/0x458 [ 212.855317][ T6906] show_stack+0x2c/0x3c [ 212.855977][ T6906] __dump_stack+0x30/0x40 [ 212.856676][ T6906] dump_stack_lvl+0xf4/0x15c [ 212.857458][ T6906] dump_stack+0x1c/0x5c [ 212.858119][ T6906] sysfs_create_dir_ns+0x244/0x264 [ 212.858917][ T6906] kobject_add_internal+0x5ac/0xc3c [ 212.859662][ T6906] kobject_init_and_add+0x124/0x190 [ 212.860436][ T6906] gfs2_sys_fs_add+0x200/0x41c [ 212.861209][ T6906] gfs2_fill_super+0xddc/0x1a18 [ 212.861965][ T6906] get_tree_bdev+0x358/0x544 [ 212.862612][ T6906] gfs2_get_tree+0x54/0x1b4 [ 212.863248][ T6906] vfs_get_tree+0x90/0x274 [ 212.863887][ T6906] do_new_mount+0x228/0x810 [ 212.864611][ T6906] path_mount+0x5bc/0x1008 [ 212.865304][ T6906] __arm64_sys_mount+0x514/0x5f0 [ 212.866101][ T6906] invoke_syscall+0x98/0x2b0 [ 212.866819][ T6906] el0_svc_common+0x138/0x258 [ 212.867513][ T6906] do_el0_svc+0x58/0x13c [ 212.868220][ T6906] el0_svc+0x78/0x1d0 [ 212.868815][ T6906] el0t_64_sync_handler+0xcc/0xe4 [ 212.869624][ T6906] el0t_64_sync+0x1a0/0x1a4 [ 212.872992][ T6906] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 212.875064][ T6906] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 213.009008][ T6909] loop1: detected capacity change from 0 to 32768 [ 213.016578][ T6909] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 213.017917][ T6909] CPU: 0 PID: 6909 Comm: syz.1.607 Not tainted syzkaller #0 [ 213.018978][ T6909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.020504][ T6909] Call trace: [ 213.021036][ T6909] dump_backtrace+0x0/0x458 [ 213.021719][ T6909] show_stack+0x2c/0x3c [ 213.022383][ T6909] __dump_stack+0x30/0x40 [ 213.023060][ T6909] dump_stack_lvl+0xf4/0x15c [ 213.023782][ T6909] dump_stack+0x1c/0x5c [ 213.024494][ T6909] sysfs_create_dir_ns+0x244/0x264 [ 213.025298][ T6909] kobject_add_internal+0x5ac/0xc3c [ 213.026153][ T6909] kobject_init_and_add+0x124/0x190 [ 213.026942][ T6909] gfs2_sys_fs_add+0x200/0x41c [ 213.027711][ T6909] gfs2_fill_super+0xddc/0x1a18 [ 213.028499][ T6909] get_tree_bdev+0x358/0x544 [ 213.029157][ T6909] gfs2_get_tree+0x54/0x1b4 [ 213.029861][ T6909] vfs_get_tree+0x90/0x274 [ 213.030532][ T6909] do_new_mount+0x228/0x810 [ 213.031244][ T6909] path_mount+0x5bc/0x1008 [ 213.031932][ T6909] __arm64_sys_mount+0x514/0x5f0 [ 213.032715][ T6909] invoke_syscall+0x98/0x2b0 [ 213.033419][ T6909] el0_svc_common+0x138/0x258 [ 213.034122][ T6909] do_el0_svc+0x58/0x13c [ 213.034742][ T6909] el0_svc+0x78/0x1d0 [ 213.035340][ T6909] el0t_64_sync_handler+0xcc/0xe4 [ 213.036082][ T6909] el0t_64_sync+0x1a0/0x1a4 [ 213.038000][ T6909] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 213.040028][ T6909] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 213.172639][ T6912] loop1: detected capacity change from 0 to 32768 [ 213.215754][ T6912] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 213.217159][ T6912] CPU: 0 PID: 6912 Comm: syz.1.608 Not tainted syzkaller #0 [ 213.218284][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.219774][ T6912] Call trace: [ 213.220285][ T6912] dump_backtrace+0x0/0x458 [ 213.220995][ T6912] show_stack+0x2c/0x3c [ 213.221621][ T6912] __dump_stack+0x30/0x40 [ 213.222314][ T6912] dump_stack_lvl+0xf4/0x15c [ 213.223051][ T6912] dump_stack+0x1c/0x5c [ 213.223691][ T6912] sysfs_create_dir_ns+0x244/0x264 [ 213.224437][ T6912] kobject_add_internal+0x5ac/0xc3c [ 213.225242][ T6912] kobject_init_and_add+0x124/0x190 [ 213.226077][ T6912] gfs2_sys_fs_add+0x200/0x41c [ 213.226820][ T6912] gfs2_fill_super+0xddc/0x1a18 [ 213.227533][ T6912] get_tree_bdev+0x358/0x544 [ 213.228303][ T6912] gfs2_get_tree+0x54/0x1b4 [ 213.229004][ T6912] vfs_get_tree+0x90/0x274 [ 213.229675][ T6912] do_new_mount+0x228/0x810 [ 213.230432][ T6912] path_mount+0x5bc/0x1008 [ 213.231115][ T6912] __arm64_sys_mount+0x514/0x5f0 [ 213.231828][ T6912] invoke_syscall+0x98/0x2b0 [ 213.232532][ T6912] el0_svc_common+0x138/0x258 [ 213.233270][ T6912] do_el0_svc+0x58/0x13c [ 213.233921][ T6912] el0_svc+0x78/0x1d0 [ 213.234525][ T6912] el0t_64_sync_handler+0xcc/0xe4 [ 213.235245][ T6912] el0t_64_sync+0x1a0/0x1a4 [ 213.236453][ T6912] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 213.238515][ T6912] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 213.368043][ T6915] loop1: detected capacity change from 0 to 32768 [ 213.448383][ T6915] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 213.449530][ T6915] CPU: 0 PID: 6915 Comm: syz.1.609 Not tainted syzkaller #0 [ 213.450655][ T6915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.452195][ T6915] Call trace: [ 213.452694][ T6915] dump_backtrace+0x0/0x458 [ 213.453356][ T6915] show_stack+0x2c/0x3c [ 213.454070][ T6915] __dump_stack+0x30/0x40 [ 213.454801][ T6915] dump_stack_lvl+0xf4/0x15c [ 213.455540][ T6915] dump_stack+0x1c/0x5c [ 213.456195][ T6915] sysfs_create_dir_ns+0x244/0x264 [ 213.456937][ T6915] kobject_add_internal+0x5ac/0xc3c [ 213.457733][ T6915] kobject_init_and_add+0x124/0x190 [ 213.458529][ T6915] gfs2_sys_fs_add+0x200/0x41c [ 213.459300][ T6915] gfs2_fill_super+0xddc/0x1a18 [ 213.460064][ T6915] get_tree_bdev+0x358/0x544 [ 213.460785][ T6915] gfs2_get_tree+0x54/0x1b4 [ 213.461414][ T6915] vfs_get_tree+0x90/0x274 [ 213.462092][ T6915] do_new_mount+0x228/0x810 [ 213.462723][ T6915] path_mount+0x5bc/0x1008 [ 213.463386][ T6915] __arm64_sys_mount+0x514/0x5f0 [ 213.464126][ T6915] invoke_syscall+0x98/0x2b0 [ 213.464852][ T6915] el0_svc_common+0x138/0x258 [ 213.465576][ T6915] do_el0_svc+0x58/0x13c [ 213.466191][ T6915] el0_svc+0x78/0x1d0 [ 213.466819][ T6915] el0t_64_sync_handler+0xcc/0xe4 [ 213.467589][ T6915] el0t_64_sync+0x1a0/0x1a4 [ 213.469185][ T6915] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 213.471485][ T6915] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 213.606870][ T6918] loop1: detected capacity change from 0 to 32768 [ 213.614825][ T6918] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 213.616110][ T6918] CPU: 0 PID: 6918 Comm: syz.1.610 Not tainted syzkaller #0 [ 213.617301][ T6918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.618873][ T6918] Call trace: [ 213.619320][ T6918] dump_backtrace+0x0/0x458 [ 213.620004][ T6918] show_stack+0x2c/0x3c [ 213.620626][ T6918] __dump_stack+0x30/0x40 [ 213.621281][ T6918] dump_stack_lvl+0xf4/0x15c [ 213.621958][ T6918] dump_stack+0x1c/0x5c [ 213.622549][ T6918] sysfs_create_dir_ns+0x244/0x264 [ 213.623319][ T6918] kobject_add_internal+0x5ac/0xc3c [ 213.624136][ T6918] kobject_init_and_add+0x124/0x190 [ 213.624989][ T6918] gfs2_sys_fs_add+0x200/0x41c [ 213.625720][ T6918] gfs2_fill_super+0xddc/0x1a18 [ 213.626529][ T6918] get_tree_bdev+0x358/0x544 [ 213.627216][ T6918] gfs2_get_tree+0x54/0x1b4 [ 213.627893][ T6918] vfs_get_tree+0x90/0x274 [ 213.628579][ T6918] do_new_mount+0x228/0x810 [ 213.629286][ T6918] path_mount+0x5bc/0x1008 [ 213.630012][ T6918] __arm64_sys_mount+0x514/0x5f0 [ 213.630780][ T6918] invoke_syscall+0x98/0x2b0 [ 213.631481][ T6918] el0_svc_common+0x138/0x258 [ 213.632193][ T6918] do_el0_svc+0x58/0x13c [ 213.632859][ T6918] el0_svc+0x78/0x1d0 [ 213.633520][ T6918] el0t_64_sync_handler+0xcc/0xe4 [ 213.634347][ T6918] el0t_64_sync+0x1a0/0x1a4 [ 213.636769][ T6918] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 213.638912][ T6918] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 213.788336][ T6921] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 213.789597][ T6921] CPU: 0 PID: 6921 Comm: syz.1.611 Not tainted syzkaller #0 [ 213.790719][ T6921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.792314][ T6921] Call trace: [ 213.792844][ T6921] dump_backtrace+0x0/0x458 [ 213.793544][ T6921] show_stack+0x2c/0x3c [ 213.794185][ T6921] __dump_stack+0x30/0x40 [ 213.794851][ T6921] dump_stack_lvl+0xf4/0x15c [ 213.795546][ T6921] dump_stack+0x1c/0x5c [ 213.796209][ T6921] sysfs_create_dir_ns+0x244/0x264 [ 213.796982][ T6921] kobject_add_internal+0x5ac/0xc3c [ 213.797752][ T6921] kobject_init_and_add+0x124/0x190 [ 213.798528][ T6921] gfs2_sys_fs_add+0x200/0x41c [ 213.799283][ T6921] gfs2_fill_super+0xddc/0x1a18 [ 213.800082][ T6921] get_tree_bdev+0x358/0x544 [ 213.800793][ T6921] gfs2_get_tree+0x54/0x1b4 [ 213.801527][ T6921] vfs_get_tree+0x90/0x274 [ 213.802273][ T6921] do_new_mount+0x228/0x810 [ 213.803025][ T6921] path_mount+0x5bc/0x1008 [ 213.803701][ T6921] __arm64_sys_mount+0x514/0x5f0 [ 213.804414][ T6921] invoke_syscall+0x98/0x2b0 [ 213.805108][ T6921] el0_svc_common+0x138/0x258 [ 213.805807][ T6921] do_el0_svc+0x58/0x13c [ 213.806496][ T6921] el0_svc+0x78/0x1d0 [ 213.807093][ T6921] el0t_64_sync_handler+0xcc/0xe4 [ 213.807865][ T6921] el0t_64_sync+0x1a0/0x1a4 [ 213.811077][ T6921] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 213.813792][ T6921] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 214.004477][ T6924] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 214.005767][ T6924] CPU: 1 PID: 6924 Comm: syz.1.612 Not tainted syzkaller #0 [ 214.006978][ T6924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.008593][ T6924] Call trace: [ 214.009070][ T6924] dump_backtrace+0x0/0x458 [ 214.009743][ T6924] show_stack+0x2c/0x3c [ 214.010369][ T6924] __dump_stack+0x30/0x40 [ 214.011013][ T6924] dump_stack_lvl+0xf4/0x15c [ 214.011781][ T6924] dump_stack+0x1c/0x5c [ 214.012371][ T6924] sysfs_create_dir_ns+0x244/0x264 [ 214.013143][ T6924] kobject_add_internal+0x5ac/0xc3c [ 214.013962][ T6924] kobject_init_and_add+0x124/0x190 [ 214.014908][ T6924] gfs2_sys_fs_add+0x200/0x41c [ 214.015711][ T6924] gfs2_fill_super+0xddc/0x1a18 [ 214.016505][ T6924] get_tree_bdev+0x358/0x544 [ 214.017234][ T6924] gfs2_get_tree+0x54/0x1b4 [ 214.017987][ T6924] vfs_get_tree+0x90/0x274 [ 214.018740][ T6924] do_new_mount+0x228/0x810 [ 214.019505][ T6924] path_mount+0x5bc/0x1008 [ 214.020236][ T6924] __arm64_sys_mount+0x514/0x5f0 [ 214.020990][ T6924] invoke_syscall+0x98/0x2b0 [ 214.021757][ T6924] el0_svc_common+0x138/0x258 [ 214.022545][ T6924] do_el0_svc+0x58/0x13c [ 214.023203][ T6924] el0_svc+0x78/0x1d0 [ 214.023830][ T6924] el0t_64_sync_handler+0xcc/0xe4 [ 214.024593][ T6924] el0t_64_sync+0x1a0/0x1a4 [ 214.025476][ T6924] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 214.027408][ T6924] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 214.267690][ T6927] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 214.269017][ T6927] CPU: 0 PID: 6927 Comm: syz.1.613 Not tainted syzkaller #0 [ 214.270182][ T6927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.271605][ T6927] Call trace: [ 214.272079][ T6927] dump_backtrace+0x0/0x458 [ 214.272765][ T6927] show_stack+0x2c/0x3c [ 214.273407][ T6927] __dump_stack+0x30/0x40 [ 214.274093][ T6927] dump_stack_lvl+0xf4/0x15c [ 214.274786][ T6927] dump_stack+0x1c/0x5c [ 214.275436][ T6927] sysfs_create_dir_ns+0x244/0x264 [ 214.276189][ T6927] kobject_add_internal+0x5ac/0xc3c [ 214.276942][ T6927] kobject_init_and_add+0x124/0x190 [ 214.277698][ T6927] gfs2_sys_fs_add+0x200/0x41c [ 214.278426][ T6927] gfs2_fill_super+0xddc/0x1a18 [ 214.279148][ T6927] get_tree_bdev+0x358/0x544 [ 214.279829][ T6927] gfs2_get_tree+0x54/0x1b4 [ 214.280485][ T6927] vfs_get_tree+0x90/0x274 [ 214.281152][ T6927] do_new_mount+0x228/0x810 [ 214.281830][ T6927] path_mount+0x5bc/0x1008 [ 214.282527][ T6927] __arm64_sys_mount+0x514/0x5f0 [ 214.283269][ T6927] invoke_syscall+0x98/0x2b0 [ 214.283968][ T6927] el0_svc_common+0x138/0x258 [ 214.284679][ T6927] do_el0_svc+0x58/0x13c [ 214.285366][ T6927] el0_svc+0x78/0x1d0 [ 214.285952][ T6927] el0t_64_sync_handler+0xcc/0xe4 [ 214.286723][ T6927] el0t_64_sync+0x1a0/0x1a4 [ 214.288710][ T6927] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 214.290951][ T6927] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 214.505362][ T6930] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 214.506540][ T6930] CPU: 1 PID: 6930 Comm: syz.1.614 Not tainted syzkaller #0 [ 214.507717][ T6930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.509308][ T6930] Call trace: [ 214.509832][ T6930] dump_backtrace+0x0/0x458 [ 214.510522][ T6930] show_stack+0x2c/0x3c [ 214.511144][ T6930] __dump_stack+0x30/0x40 [ 214.511821][ T6930] dump_stack_lvl+0xf4/0x15c [ 214.512526][ T6930] dump_stack+0x1c/0x5c [ 214.513135][ T6930] sysfs_create_dir_ns+0x244/0x264 [ 214.513872][ T6930] kobject_add_internal+0x5ac/0xc3c [ 214.514630][ T6930] kobject_init_and_add+0x124/0x190 [ 214.515416][ T6930] gfs2_sys_fs_add+0x200/0x41c [ 214.516124][ T6930] gfs2_fill_super+0xddc/0x1a18 [ 214.516832][ T6930] get_tree_bdev+0x358/0x544 [ 214.517521][ T6930] gfs2_get_tree+0x54/0x1b4 [ 214.518215][ T6930] vfs_get_tree+0x90/0x274 [ 214.518872][ T6930] do_new_mount+0x228/0x810 [ 214.519573][ T6930] path_mount+0x5bc/0x1008 [ 214.520253][ T6930] __arm64_sys_mount+0x514/0x5f0 [ 214.520954][ T6930] invoke_syscall+0x98/0x2b0 [ 214.521662][ T6930] el0_svc_common+0x138/0x258 [ 214.522380][ T6930] do_el0_svc+0x58/0x13c [ 214.523013][ T6930] el0_svc+0x78/0x1d0 [ 214.523603][ T6930] el0t_64_sync_handler+0xcc/0xe4 [ 214.524356][ T6930] el0t_64_sync+0x1a0/0x1a4 [ 214.525313][ T6930] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 214.527286][ T6930] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 214.687341][ T6933] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 214.688636][ T6933] CPU: 1 PID: 6933 Comm: syz.1.615 Not tainted syzkaller #0 [ 214.689877][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.691452][ T6933] Call trace: [ 214.692028][ T6933] dump_backtrace+0x0/0x458 [ 214.692686][ T6933] show_stack+0x2c/0x3c [ 214.693347][ T6933] __dump_stack+0x30/0x40 [ 214.694036][ T6933] dump_stack_lvl+0xf4/0x15c [ 214.694745][ T6933] dump_stack+0x1c/0x5c [ 214.695371][ T6933] sysfs_create_dir_ns+0x244/0x264 [ 214.696172][ T6933] kobject_add_internal+0x5ac/0xc3c [ 214.696974][ T6933] kobject_init_and_add+0x124/0x190 [ 214.697718][ T6933] gfs2_sys_fs_add+0x200/0x41c [ 214.698520][ T6933] gfs2_fill_super+0xddc/0x1a18 [ 214.699284][ T6933] get_tree_bdev+0x358/0x544 [ 214.699944][ T6933] gfs2_get_tree+0x54/0x1b4 [ 214.700606][ T6933] vfs_get_tree+0x90/0x274 [ 214.701298][ T6933] do_new_mount+0x228/0x810 [ 214.701994][ T6933] path_mount+0x5bc/0x1008 [ 214.702747][ T6933] __arm64_sys_mount+0x514/0x5f0 [ 214.703451][ T6933] invoke_syscall+0x98/0x2b0 [ 214.704185][ T6933] el0_svc_common+0x138/0x258 [ 214.704890][ T6933] do_el0_svc+0x58/0x13c [ 214.705578][ T6933] el0_svc+0x78/0x1d0 [ 214.706226][ T6933] el0t_64_sync_handler+0xcc/0xe4 [ 214.707055][ T6933] el0t_64_sync+0x1a0/0x1a4 [ 214.707831][ T6933] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 214.709934][ T6933] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 214.852927][ T6936] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 214.854172][ T6936] CPU: 1 PID: 6936 Comm: syz.1.616 Not tainted syzkaller #0 [ 214.855362][ T6936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.856927][ T6936] Call trace: [ 214.857424][ T6936] dump_backtrace+0x0/0x458 [ 214.858157][ T6936] show_stack+0x2c/0x3c [ 214.858811][ T6936] __dump_stack+0x30/0x40 [ 214.859496][ T6936] dump_stack_lvl+0xf4/0x15c [ 214.860188][ T6936] dump_stack+0x1c/0x5c [ 214.860877][ T6936] sysfs_create_dir_ns+0x244/0x264 [ 214.861646][ T6936] kobject_add_internal+0x5ac/0xc3c [ 214.862527][ T6936] kobject_init_and_add+0x124/0x190 [ 214.863376][ T6936] gfs2_sys_fs_add+0x200/0x41c [ 214.864055][ T6936] gfs2_fill_super+0xddc/0x1a18 [ 214.864798][ T6936] get_tree_bdev+0x358/0x544 [ 214.865507][ T6936] gfs2_get_tree+0x54/0x1b4 [ 214.866315][ T6936] vfs_get_tree+0x90/0x274 [ 214.867025][ T6936] do_new_mount+0x228/0x810 [ 214.867732][ T6936] path_mount+0x5bc/0x1008 [ 214.868369][ T6936] __arm64_sys_mount+0x514/0x5f0 [ 214.869126][ T6936] invoke_syscall+0x98/0x2b0 [ 214.869814][ T6936] el0_svc_common+0x138/0x258 [ 214.870541][ T6936] do_el0_svc+0x58/0x13c [ 214.871222][ T6936] el0_svc+0x78/0x1d0 [ 214.871855][ T6936] el0t_64_sync_handler+0xcc/0xe4 [ 214.872599][ T6936] el0t_64_sync+0x1a0/0x1a4 [ 214.876083][ T6936] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 214.878129][ T6936] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 215.063576][ T4174] Bluetooth: hci1: command 0x0406 tx timeout [ 215.093234][ T6939] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 215.094508][ T6939] CPU: 0 PID: 6939 Comm: syz.1.617 Not tainted syzkaller #0 [ 215.095640][ T6939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.097266][ T6939] Call trace: [ 215.097771][ T6939] dump_backtrace+0x0/0x458 [ 215.098444][ T6939] show_stack+0x2c/0x3c [ 215.099064][ T6939] __dump_stack+0x30/0x40 [ 215.099741][ T6939] dump_stack_lvl+0xf4/0x15c [ 215.100383][ T6939] dump_stack+0x1c/0x5c [ 215.100996][ T6939] sysfs_create_dir_ns+0x244/0x264 [ 215.101746][ T6939] kobject_add_internal+0x5ac/0xc3c [ 215.102521][ T6939] kobject_init_and_add+0x124/0x190 [ 215.103275][ T6939] gfs2_sys_fs_add+0x200/0x41c [ 215.104010][ T6939] gfs2_fill_super+0xddc/0x1a18 [ 215.104722][ T6939] get_tree_bdev+0x358/0x544 [ 215.105402][ T6939] gfs2_get_tree+0x54/0x1b4 [ 215.106068][ T6939] vfs_get_tree+0x90/0x274 [ 215.106685][ T6939] do_new_mount+0x228/0x810 [ 215.107361][ T6939] path_mount+0x5bc/0x1008 [ 215.107994][ T6939] __arm64_sys_mount+0x514/0x5f0 [ 215.108759][ T6939] invoke_syscall+0x98/0x2b0 [ 215.109424][ T6939] el0_svc_common+0x138/0x258 [ 215.110183][ T6939] do_el0_svc+0x58/0x13c [ 215.110884][ T6939] el0_svc+0x78/0x1d0 [ 215.111537][ T6939] el0t_64_sync_handler+0xcc/0xe4 [ 215.112297][ T6939] el0t_64_sync+0x1a0/0x1a4 [ 215.113257][ T6939] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 215.115245][ T6939] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 215.191573][ T6942] chnl_net:caif_netlink_parms(): no params data found [ 215.209043][ T6942] bridge0: port 1(bridge_slave_0) entered blocking state [ 215.210278][ T6942] bridge0: port 1(bridge_slave_0) entered disabled state [ 215.211855][ T6942] device bridge_slave_0 entered promiscuous mode [ 215.215968][ T6942] bridge0: port 2(bridge_slave_1) entered blocking state [ 215.217127][ T6942] bridge0: port 2(bridge_slave_1) entered disabled state [ 215.218613][ T6942] device bridge_slave_1 entered promiscuous mode [ 215.226269][ T6942] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 215.228767][ T6942] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 215.239094][ T6942] team0: Port device team_slave_0 added [ 215.240957][ T6942] team0: Port device team_slave_1 added [ 215.247661][ T6942] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 215.248726][ T6942] 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. [ 215.252642][ T6942] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 215.256730][ T6942] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 215.257785][ T6942] 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. [ 215.261520][ T6942] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 215.324798][ T6942] device hsr_slave_0 entered promiscuous mode [ 215.363360][ T6942] device hsr_slave_1 entered promiscuous mode [ 215.413231][ T6942] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 215.414500][ T6942] Cannot create hsr debugfs directory [ 215.444378][ T6942] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.727223][ T6942] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.771790][ T6942] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.807007][ T6942] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.981610][ T6942] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 216.024295][ T6942] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 216.087573][ T6942] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 216.127093][ T6942] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 216.170625][ T6942] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.171803][ T6942] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.172991][ T6942] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.174221][ T6942] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.187290][ T366] bridge0: port 1(bridge_slave_0) entered disabled state [ 216.188848][ T366] bridge0: port 2(bridge_slave_1) entered disabled state [ 216.199693][ T6942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 216.203807][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 216.205309][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 216.207883][ T6942] 8021q: adding VLAN 0 to HW filter on device team0 [ 216.210394][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 216.211990][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 216.215265][ T366] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.216464][ T366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.219174][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 216.220773][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 216.222227][ T366] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.223333][ T366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.229571][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 216.232466][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 216.237344][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 216.239561][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 216.241417][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 216.245106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 216.246767][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 216.249435][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 216.251002][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 216.254431][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 216.256020][ T366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 216.261063][ T6942] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 216.303653][ T6942] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 216.309644][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 216.310994][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 216.316814][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 216.318451][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 216.325430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 216.327019][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 216.328744][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 216.330006][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 216.331883][ T6942] device veth0_vlan entered promiscuous mode [ 216.335353][ T6942] device veth1_vlan entered promiscuous mode [ 216.342348][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 216.344397][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 216.345887][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 216.347440][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 216.353060][ T6942] device veth0_macvtap entered promiscuous mode [ 216.355948][ T6942] device veth1_macvtap entered promiscuous mode [ 216.361231][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.362914][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.364846][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.366462][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.368579][ T6942] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 216.369730][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 216.371234][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 216.372792][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 216.375068][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 216.377619][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.379266][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.380840][ T6942] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.382504][ T6942] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.385579][ T6942] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 216.390385][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 216.392106][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 216.395320][ T6942] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.396857][ T6942] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.398246][ T6942] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.399612][ T6942] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.419049][ T136] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.421055][ T136] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.425328][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 216.429891][ T366] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.431079][ T366] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.432615][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 216.574077][ T6960] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 216.575387][ T6960] CPU: 0 PID: 6960 Comm: syz.1.618 Not tainted syzkaller #0 [ 216.576567][ T6960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.578207][ T6960] Call trace: [ 216.578715][ T6960] dump_backtrace+0x0/0x458 [ 216.579425][ T6960] show_stack+0x2c/0x3c [ 216.580031][ T6960] __dump_stack+0x30/0x40 [ 216.580725][ T6960] dump_stack_lvl+0xf4/0x15c [ 216.581419][ T6960] dump_stack+0x1c/0x5c [ 216.582063][ T6960] sysfs_create_dir_ns+0x244/0x264 [ 216.582881][ T6960] kobject_add_internal+0x5ac/0xc3c [ 216.583698][ T6960] kobject_init_and_add+0x124/0x190 [ 216.584567][ T6960] gfs2_sys_fs_add+0x200/0x41c [ 216.585335][ T6960] gfs2_fill_super+0xddc/0x1a18 [ 216.586079][ T6960] get_tree_bdev+0x358/0x544 [ 216.586803][ T6960] gfs2_get_tree+0x54/0x1b4 [ 216.587477][ T6960] vfs_get_tree+0x90/0x274 [ 216.588178][ T6960] do_new_mount+0x228/0x810 [ 216.588868][ T6960] path_mount+0x5bc/0x1008 [ 216.589517][ T6960] __arm64_sys_mount+0x514/0x5f0 [ 216.590291][ T6960] invoke_syscall+0x98/0x2b0 [ 216.591063][ T6960] el0_svc_common+0x138/0x258 [ 216.591779][ T6960] do_el0_svc+0x58/0x13c [ 216.592487][ T6960] el0_svc+0x78/0x1d0 [ 216.593098][ T6960] el0t_64_sync_handler+0xcc/0xe4 [ 216.593921][ T6960] el0t_64_sync+0x1a0/0x1a4 [ 216.596534][ T6960] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 216.598670][ T6960] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 216.856266][ T6963] set_capacity_and_notify: 8 callbacks suppressed [ 216.856276][ T6963] loop1: detected capacity change from 0 to 32768 [ 216.873191][ T6963] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 216.874416][ T6963] CPU: 0 PID: 6963 Comm: syz.1.619 Not tainted syzkaller #0 [ 216.875563][ T6963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.877111][ T6963] Call trace: [ 216.877580][ T6963] dump_backtrace+0x0/0x458 [ 216.878244][ T6963] show_stack+0x2c/0x3c [ 216.878927][ T6963] __dump_stack+0x30/0x40 [ 216.879667][ T6963] dump_stack_lvl+0xf4/0x15c [ 216.880369][ T6963] dump_stack+0x1c/0x5c [ 216.881001][ T6963] sysfs_create_dir_ns+0x244/0x264 [ 216.881688][ T6963] kobject_add_internal+0x5ac/0xc3c [ 216.882459][ T6963] kobject_init_and_add+0x124/0x190 [ 216.883269][ T6963] gfs2_sys_fs_add+0x200/0x41c [ 216.883997][ T6963] gfs2_fill_super+0xddc/0x1a18 [ 216.884738][ T6963] get_tree_bdev+0x358/0x544 [ 216.885415][ T6963] gfs2_get_tree+0x54/0x1b4 [ 216.886165][ T6963] vfs_get_tree+0x90/0x274 [ 216.886879][ T6963] do_new_mount+0x228/0x810 [ 216.887582][ T6963] path_mount+0x5bc/0x1008 [ 216.888303][ T6963] __arm64_sys_mount+0x514/0x5f0 [ 216.889009][ T6963] invoke_syscall+0x98/0x2b0 [ 216.889809][ T6963] el0_svc_common+0x138/0x258 [ 216.890535][ T6963] do_el0_svc+0x58/0x13c [ 216.891173][ T6963] el0_svc+0x78/0x1d0 [ 216.891763][ T6963] el0t_64_sync_handler+0xcc/0xe4 [ 216.892554][ T6963] el0t_64_sync+0x1a0/0x1a4 [ 216.894127][ T6963] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 216.896235][ T6963] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 216.921325][ T1608] device hsr_slave_0 left promiscuous mode [ 216.973422][ T1608] device hsr_slave_1 left promiscuous mode [ 217.039327][ T6966] loop1: detected capacity change from 0 to 32768 [ 217.064028][ T1608] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 217.065337][ T1608] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 217.066885][ T1608] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 217.068025][ T1608] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 217.069398][ T1608] device bridge_slave_1 left promiscuous mode [ 217.070408][ T1608] bridge0: port 2(bridge_slave_1) entered disabled state [ 217.089545][ T6966] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 217.090784][ T6966] CPU: 1 PID: 6966 Comm: syz.1.620 Not tainted syzkaller #0 [ 217.091967][ T6966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.093575][ T6966] Call trace: [ 217.094066][ T6966] dump_backtrace+0x0/0x458 [ 217.094757][ T6966] show_stack+0x2c/0x3c [ 217.095364][ T6966] __dump_stack+0x30/0x40 [ 217.096025][ T6966] dump_stack_lvl+0xf4/0x15c [ 217.096739][ T6966] dump_stack+0x1c/0x5c [ 217.097349][ T6966] sysfs_create_dir_ns+0x244/0x264 [ 217.098166][ T6966] kobject_add_internal+0x5ac/0xc3c [ 217.098954][ T6966] kobject_init_and_add+0x124/0x190 [ 217.099745][ T6966] gfs2_sys_fs_add+0x200/0x41c [ 217.100410][ T6966] gfs2_fill_super+0xddc/0x1a18 [ 217.101115][ T6966] get_tree_bdev+0x358/0x544 [ 217.101716][ T6966] gfs2_get_tree+0x54/0x1b4 [ 217.102421][ T6966] vfs_get_tree+0x90/0x274 [ 217.103135][ T6966] do_new_mount+0x228/0x810 [ 217.103809][ T6966] path_mount+0x5bc/0x1008 [ 217.104513][ T6966] __arm64_sys_mount+0x514/0x5f0 [ 217.105289][ T6966] invoke_syscall+0x98/0x2b0 [ 217.105959][ T6966] el0_svc_common+0x138/0x258 [ 217.106715][ T6966] do_el0_svc+0x58/0x13c [ 217.107392][ T6966] el0_svc+0x78/0x1d0 [ 217.107988][ T6966] el0t_64_sync_handler+0xcc/0xe4 [ 217.108737][ T6966] el0t_64_sync+0x1a0/0x1a4 [ 217.110921][ T6966] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 217.113086][ T6966] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 217.133931][ T1608] device bridge_slave_0 left promiscuous mode [ 217.135076][ T1608] bridge0: port 1(bridge_slave_0) entered disabled state 1970/01/01 00:03:37 executed programs: 607 [ 217.223354][ T4174] Bluetooth: hci2: command 0x0409 tx timeout [ 217.243284][ T1608] device veth1_macvtap left promiscuous mode [ 217.244339][ T1608] device veth0_macvtap left promiscuous mode [ 217.245378][ T1608] device veth1_vlan left promiscuous mode [ 217.246373][ T1608] device veth0_vlan left promiscuous mode [ 217.262702][ T6969] loop1: detected capacity change from 0 to 32768 [ 217.309301][ T6969] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 217.310569][ T6969] CPU: 1 PID: 6969 Comm: syz.1.621 Not tainted syzkaller #0 [ 217.311662][ T6969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.313202][ T6969] Call trace: [ 217.313677][ T6969] dump_backtrace+0x0/0x458 [ 217.314421][ T6969] show_stack+0x2c/0x3c [ 217.315111][ T6969] __dump_stack+0x30/0x40 [ 217.315842][ T6969] dump_stack_lvl+0xf4/0x15c [ 217.316538][ T6969] dump_stack+0x1c/0x5c [ 217.317198][ T6969] sysfs_create_dir_ns+0x244/0x264 [ 217.318003][ T6969] kobject_add_internal+0x5ac/0xc3c [ 217.318784][ T6969] kobject_init_and_add+0x124/0x190 [ 217.319629][ T6969] gfs2_sys_fs_add+0x200/0x41c [ 217.320317][ T6969] gfs2_fill_super+0xddc/0x1a18 [ 217.321004][ T6969] get_tree_bdev+0x358/0x544 [ 217.321704][ T6969] gfs2_get_tree+0x54/0x1b4 [ 217.322391][ T6969] vfs_get_tree+0x90/0x274 [ 217.323046][ T6969] do_new_mount+0x228/0x810 [ 217.323739][ T6969] path_mount+0x5bc/0x1008 [ 217.324420][ T6969] __arm64_sys_mount+0x514/0x5f0 [ 217.325128][ T6969] invoke_syscall+0x98/0x2b0 [ 217.325836][ T6969] el0_svc_common+0x138/0x258 [ 217.326504][ T6969] do_el0_svc+0x58/0x13c [ 217.327132][ T6969] el0_svc+0x78/0x1d0 [ 217.327725][ T6969] el0t_64_sync_handler+0xcc/0xe4 [ 217.328514][ T6969] el0t_64_sync+0x1a0/0x1a4 [ 217.331556][ T6969] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 217.334066][ T6969] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 217.382281][ T1608] team0 (unregistering): Port device team_slave_1 removed [ 217.388556][ T1608] team0 (unregistering): Port device team_slave_0 removed [ 217.392619][ T1608] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 217.438833][ T1608] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 217.479999][ T6972] loop1: detected capacity change from 0 to 32768 [ 217.488631][ T6972] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 217.489859][ T6972] CPU: 0 PID: 6972 Comm: syz.1.622 Not tainted syzkaller #0 [ 217.490959][ T6972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.492490][ T6972] Call trace: [ 217.492967][ T6972] dump_backtrace+0x0/0x458 [ 217.493645][ T6972] show_stack+0x2c/0x3c [ 217.494301][ T6972] __dump_stack+0x30/0x40 [ 217.495012][ T6972] dump_stack_lvl+0xf4/0x15c [ 217.495737][ T6972] dump_stack+0x1c/0x5c [ 217.496381][ T6972] sysfs_create_dir_ns+0x244/0x264 [ 217.497162][ T6972] kobject_add_internal+0x5ac/0xc3c [ 217.497917][ T6972] kobject_init_and_add+0x124/0x190 [ 217.498722][ T6972] gfs2_sys_fs_add+0x200/0x41c [ 217.499443][ T6972] gfs2_fill_super+0xddc/0x1a18 [ 217.500173][ T6972] get_tree_bdev+0x358/0x544 [ 217.500861][ T6972] gfs2_get_tree+0x54/0x1b4 [ 217.501571][ T6972] vfs_get_tree+0x90/0x274 [ 217.502232][ T6972] do_new_mount+0x228/0x810 [ 217.502882][ T6972] path_mount+0x5bc/0x1008 [ 217.503529][ T6972] __arm64_sys_mount+0x514/0x5f0 [ 217.504309][ T6972] invoke_syscall+0x98/0x2b0 [ 217.504992][ T6972] el0_svc_common+0x138/0x258 [ 217.505693][ T6972] do_el0_svc+0x58/0x13c [ 217.506343][ T6972] el0_svc+0x78/0x1d0 [ 217.506982][ T6972] el0t_64_sync_handler+0xcc/0xe4 [ 217.507765][ T6972] el0t_64_sync+0x1a0/0x1a4 [ 217.512768][ T6972] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 217.515031][ T6972] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 217.556217][ T1608] bond0 (unregistering): Released all slaves [ 217.664332][ T6975] loop1: detected capacity change from 0 to 32768 [ 217.706375][ T6975] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 217.707794][ T6975] CPU: 0 PID: 6975 Comm: syz.1.623 Not tainted syzkaller #0 [ 217.708939][ T6975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.710542][ T6975] Call trace: [ 217.711030][ T6975] dump_backtrace+0x0/0x458 [ 217.711672][ T6975] show_stack+0x2c/0x3c [ 217.712325][ T6975] __dump_stack+0x30/0x40 [ 217.713015][ T6975] dump_stack_lvl+0xf4/0x15c [ 217.713768][ T6975] dump_stack+0x1c/0x5c [ 217.714387][ T6975] sysfs_create_dir_ns+0x244/0x264 [ 217.715176][ T6975] kobject_add_internal+0x5ac/0xc3c [ 217.715975][ T6975] kobject_init_and_add+0x124/0x190 [ 217.716794][ T6975] gfs2_sys_fs_add+0x200/0x41c [ 217.717564][ T6975] gfs2_fill_super+0xddc/0x1a18 [ 217.718291][ T6975] get_tree_bdev+0x358/0x544 [ 217.718985][ T6975] gfs2_get_tree+0x54/0x1b4 [ 217.719666][ T6975] vfs_get_tree+0x90/0x274 [ 217.720385][ T6975] do_new_mount+0x228/0x810 [ 217.721100][ T6975] path_mount+0x5bc/0x1008 [ 217.721785][ T6975] __arm64_sys_mount+0x514/0x5f0 [ 217.722568][ T6975] invoke_syscall+0x98/0x2b0 [ 217.723289][ T6975] el0_svc_common+0x138/0x258 [ 217.724020][ T6975] do_el0_svc+0x58/0x13c [ 217.724712][ T6975] el0_svc+0x78/0x1d0 [ 217.725297][ T6975] el0t_64_sync_handler+0xcc/0xe4 [ 217.726060][ T6975] el0t_64_sync+0x1a0/0x1a4 [ 217.727412][ T6975] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 217.729434][ T6975] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 217.915809][ T6978] loop1: detected capacity change from 0 to 32768 [ 217.964932][ T6978] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 217.966218][ T6978] CPU: 0 PID: 6978 Comm: syz.1.624 Not tainted syzkaller #0 [ 217.967406][ T6978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.969020][ T6978] Call trace: [ 217.969556][ T6978] dump_backtrace+0x0/0x458 [ 217.970307][ T6978] show_stack+0x2c/0x3c [ 217.970933][ T6978] __dump_stack+0x30/0x40 [ 217.971621][ T6978] dump_stack_lvl+0xf4/0x15c [ 217.972339][ T6978] dump_stack+0x1c/0x5c [ 217.972946][ T6978] sysfs_create_dir_ns+0x244/0x264 [ 217.973755][ T6978] kobject_add_internal+0x5ac/0xc3c [ 217.974594][ T6978] kobject_init_and_add+0x124/0x190 [ 217.975371][ T6978] gfs2_sys_fs_add+0x200/0x41c [ 217.976122][ T6978] gfs2_fill_super+0xddc/0x1a18 [ 217.976900][ T6978] get_tree_bdev+0x358/0x544 [ 217.977591][ T6978] gfs2_get_tree+0x54/0x1b4 [ 217.978284][ T6978] vfs_get_tree+0x90/0x274 [ 217.978891][ T6978] do_new_mount+0x228/0x810 [ 217.979589][ T6978] path_mount+0x5bc/0x1008 [ 217.980279][ T6978] __arm64_sys_mount+0x514/0x5f0 [ 217.981030][ T6978] invoke_syscall+0x98/0x2b0 [ 217.981729][ T6978] el0_svc_common+0x138/0x258 [ 217.982448][ T6978] do_el0_svc+0x58/0x13c [ 217.983082][ T6978] el0_svc+0x78/0x1d0 [ 217.983789][ T6978] el0t_64_sync_handler+0xcc/0xe4 [ 217.984662][ T6978] el0t_64_sync+0x1a0/0x1a4 [ 217.989199][ T6978] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 217.991329][ T6978] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.127283][ T6981] loop1: detected capacity change from 0 to 32768 [ 218.137542][ T6981] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.138706][ T6981] CPU: 0 PID: 6981 Comm: syz.1.625 Not tainted syzkaller #0 [ 218.139867][ T6981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.141446][ T6981] Call trace: [ 218.141897][ T6981] dump_backtrace+0x0/0x458 [ 218.142599][ T6981] show_stack+0x2c/0x3c [ 218.143276][ T6981] __dump_stack+0x30/0x40 [ 218.143978][ T6981] dump_stack_lvl+0xf4/0x15c [ 218.144643][ T6981] dump_stack+0x1c/0x5c [ 218.145277][ T6981] sysfs_create_dir_ns+0x244/0x264 [ 218.146067][ T6981] kobject_add_internal+0x5ac/0xc3c [ 218.146863][ T6981] kobject_init_and_add+0x124/0x190 [ 218.147673][ T6981] gfs2_sys_fs_add+0x200/0x41c [ 218.148407][ T6981] gfs2_fill_super+0xddc/0x1a18 [ 218.149170][ T6981] get_tree_bdev+0x358/0x544 [ 218.149794][ T6981] gfs2_get_tree+0x54/0x1b4 [ 218.150484][ T6981] vfs_get_tree+0x90/0x274 [ 218.151186][ T6981] do_new_mount+0x228/0x810 [ 218.151845][ T6981] path_mount+0x5bc/0x1008 [ 218.152507][ T6981] __arm64_sys_mount+0x514/0x5f0 [ 218.153231][ T6981] invoke_syscall+0x98/0x2b0 [ 218.153941][ T6981] el0_svc_common+0x138/0x258 [ 218.154622][ T6981] do_el0_svc+0x58/0x13c [ 218.155262][ T6981] el0_svc+0x78/0x1d0 [ 218.155868][ T6981] el0t_64_sync_handler+0xcc/0xe4 [ 218.156609][ T6981] el0t_64_sync+0x1a0/0x1a4 [ 218.158937][ T6981] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.160941][ T6981] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.294398][ T6984] loop1: detected capacity change from 0 to 32768 [ 218.347304][ T6984] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.348467][ T6984] CPU: 0 PID: 6984 Comm: syz.1.626 Not tainted syzkaller #0 [ 218.349578][ T6984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.351115][ T6984] Call trace: [ 218.351602][ T6984] dump_backtrace+0x0/0x458 [ 218.352269][ T6984] show_stack+0x2c/0x3c [ 218.352911][ T6984] __dump_stack+0x30/0x40 [ 218.353545][ T6984] dump_stack_lvl+0xf4/0x15c [ 218.354304][ T6984] dump_stack+0x1c/0x5c [ 218.354985][ T6984] sysfs_create_dir_ns+0x244/0x264 [ 218.355768][ T6984] kobject_add_internal+0x5ac/0xc3c [ 218.356566][ T6984] kobject_init_and_add+0x124/0x190 [ 218.357388][ T6984] gfs2_sys_fs_add+0x200/0x41c [ 218.358115][ T6984] gfs2_fill_super+0xddc/0x1a18 [ 218.358877][ T6984] get_tree_bdev+0x358/0x544 [ 218.359543][ T6984] gfs2_get_tree+0x54/0x1b4 [ 218.360271][ T6984] vfs_get_tree+0x90/0x274 [ 218.360988][ T6984] do_new_mount+0x228/0x810 [ 218.361714][ T6984] path_mount+0x5bc/0x1008 [ 218.362364][ T6984] __arm64_sys_mount+0x514/0x5f0 [ 218.363144][ T6984] invoke_syscall+0x98/0x2b0 [ 218.363910][ T6984] el0_svc_common+0x138/0x258 [ 218.364648][ T6984] do_el0_svc+0x58/0x13c [ 218.365336][ T6984] el0_svc+0x78/0x1d0 [ 218.365967][ T6984] el0t_64_sync_handler+0xcc/0xe4 [ 218.366704][ T6984] el0t_64_sync+0x1a0/0x1a4 [ 218.369244][ T6984] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.371371][ T6984] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.550377][ T6987] loop1: detected capacity change from 0 to 32768 [ 218.588698][ T6987] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.589969][ T6987] CPU: 0 PID: 6987 Comm: syz.1.627 Not tainted syzkaller #0 [ 218.591119][ T6987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.592608][ T6987] Call trace: [ 218.593101][ T6987] dump_backtrace+0x0/0x458 [ 218.593875][ T6987] show_stack+0x2c/0x3c [ 218.594545][ T6987] __dump_stack+0x30/0x40 [ 218.595232][ T6987] dump_stack_lvl+0xf4/0x15c [ 218.595914][ T6987] dump_stack+0x1c/0x5c [ 218.596622][ T6987] sysfs_create_dir_ns+0x244/0x264 [ 218.597442][ T6987] kobject_add_internal+0x5ac/0xc3c [ 218.598247][ T6987] kobject_init_and_add+0x124/0x190 [ 218.599090][ T6987] gfs2_sys_fs_add+0x200/0x41c [ 218.599802][ T6987] gfs2_fill_super+0xddc/0x1a18 [ 218.600575][ T6987] get_tree_bdev+0x358/0x544 [ 218.601292][ T6987] gfs2_get_tree+0x54/0x1b4 [ 218.601985][ T6987] vfs_get_tree+0x90/0x274 [ 218.602644][ T6987] do_new_mount+0x228/0x810 [ 218.603368][ T6987] path_mount+0x5bc/0x1008 [ 218.604039][ T6987] __arm64_sys_mount+0x514/0x5f0 [ 218.604740][ T6987] invoke_syscall+0x98/0x2b0 [ 218.605474][ T6987] el0_svc_common+0x138/0x258 [ 218.606177][ T6987] do_el0_svc+0x58/0x13c [ 218.606836][ T6987] el0_svc+0x78/0x1d0 [ 218.607469][ T6987] el0t_64_sync_handler+0xcc/0xe4 [ 218.608268][ T6987] el0t_64_sync+0x1a0/0x1a4 [ 218.610669][ T6987] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.612758][ T6987] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 218.752654][ T6990] loop1: detected capacity change from 0 to 32768 [ 218.840376][ T6990] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 218.841684][ T6990] CPU: 0 PID: 6990 Comm: syz.1.628 Not tainted syzkaller #0 [ 218.842867][ T6990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.844451][ T6990] Call trace: [ 218.844919][ T6990] dump_backtrace+0x0/0x458 [ 218.845620][ T6990] show_stack+0x2c/0x3c [ 218.846258][ T6990] __dump_stack+0x30/0x40 [ 218.847027][ T6990] dump_stack_lvl+0xf4/0x15c [ 218.847745][ T6990] dump_stack+0x1c/0x5c [ 218.848413][ T6990] sysfs_create_dir_ns+0x244/0x264 [ 218.849118][ T6990] kobject_add_internal+0x5ac/0xc3c [ 218.849875][ T6990] kobject_init_and_add+0x124/0x190 [ 218.850667][ T6990] gfs2_sys_fs_add+0x200/0x41c [ 218.851359][ T6990] gfs2_fill_super+0xddc/0x1a18 [ 218.852099][ T6990] get_tree_bdev+0x358/0x544 [ 218.852800][ T6990] gfs2_get_tree+0x54/0x1b4 [ 218.853516][ T6990] vfs_get_tree+0x90/0x274 [ 218.854193][ T6990] do_new_mount+0x228/0x810 [ 218.854839][ T6990] path_mount+0x5bc/0x1008 [ 218.855502][ T6990] __arm64_sys_mount+0x514/0x5f0 [ 218.856289][ T6990] invoke_syscall+0x98/0x2b0 [ 218.857029][ T6990] el0_svc_common+0x138/0x258 [ 218.857717][ T6990] do_el0_svc+0x58/0x13c [ 218.858388][ T6990] el0_svc+0x78/0x1d0 [ 218.859036][ T6990] el0t_64_sync_handler+0xcc/0xe4 [ 218.859834][ T6990] el0t_64_sync+0x1a0/0x1a4 [ 218.864724][ T6990] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 218.867438][ T6990] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.167882][ T6993] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.169174][ T6993] CPU: 0 PID: 6993 Comm: syz.1.629 Not tainted syzkaller #0 [ 219.170312][ T6993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.171949][ T6993] Call trace: [ 219.172465][ T6993] dump_backtrace+0x0/0x458 [ 219.173157][ T6993] show_stack+0x2c/0x3c [ 219.173820][ T6993] __dump_stack+0x30/0x40 [ 219.174461][ T6993] dump_stack_lvl+0xf4/0x15c [ 219.175202][ T6993] dump_stack+0x1c/0x5c [ 219.175874][ T6993] sysfs_create_dir_ns+0x244/0x264 [ 219.176635][ T6993] kobject_add_internal+0x5ac/0xc3c [ 219.177395][ T6993] kobject_init_and_add+0x124/0x190 [ 219.178170][ T6993] gfs2_sys_fs_add+0x200/0x41c [ 219.178888][ T6993] gfs2_fill_super+0xddc/0x1a18 [ 219.179582][ T6993] get_tree_bdev+0x358/0x544 [ 219.180214][ T6993] gfs2_get_tree+0x54/0x1b4 [ 219.180844][ T6993] vfs_get_tree+0x90/0x274 [ 219.181514][ T6993] do_new_mount+0x228/0x810 [ 219.182242][ T6993] path_mount+0x5bc/0x1008 [ 219.182942][ T6993] __arm64_sys_mount+0x514/0x5f0 [ 219.183701][ T6993] invoke_syscall+0x98/0x2b0 [ 219.184433][ T6993] el0_svc_common+0x138/0x258 [ 219.185128][ T6993] do_el0_svc+0x58/0x13c [ 219.185846][ T6993] el0_svc+0x78/0x1d0 [ 219.186469][ T6993] el0t_64_sync_handler+0xcc/0xe4 [ 219.187219][ T6993] el0t_64_sync+0x1a0/0x1a4 [ 219.190182][ T6993] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.192407][ T6993] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.303235][ T4077] Bluetooth: hci2: command 0x041b tx timeout [ 219.406710][ T6996] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.408114][ T6996] CPU: 0 PID: 6996 Comm: syz.1.630 Not tainted syzkaller #0 [ 219.409255][ T6996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.410870][ T6996] Call trace: [ 219.411435][ T6996] dump_backtrace+0x0/0x458 [ 219.412096][ T6996] show_stack+0x2c/0x3c [ 219.412739][ T6996] __dump_stack+0x30/0x40 [ 219.413397][ T6996] dump_stack_lvl+0xf4/0x15c [ 219.414085][ T6996] dump_stack+0x1c/0x5c [ 219.414810][ T6996] sysfs_create_dir_ns+0x244/0x264 [ 219.415540][ T6996] kobject_add_internal+0x5ac/0xc3c [ 219.416316][ T6996] kobject_init_and_add+0x124/0x190 [ 219.417170][ T6996] gfs2_sys_fs_add+0x200/0x41c [ 219.417954][ T6996] gfs2_fill_super+0xddc/0x1a18 [ 219.418722][ T6996] get_tree_bdev+0x358/0x544 [ 219.419388][ T6996] gfs2_get_tree+0x54/0x1b4 [ 219.420106][ T6996] vfs_get_tree+0x90/0x274 [ 219.420795][ T6996] do_new_mount+0x228/0x810 [ 219.421427][ T6996] path_mount+0x5bc/0x1008 [ 219.422168][ T6996] __arm64_sys_mount+0x514/0x5f0 [ 219.422907][ T6996] invoke_syscall+0x98/0x2b0 [ 219.423585][ T6996] el0_svc_common+0x138/0x258 [ 219.424284][ T6996] do_el0_svc+0x58/0x13c [ 219.424981][ T6996] el0_svc+0x78/0x1d0 [ 219.425580][ T6996] el0t_64_sync_handler+0xcc/0xe4 [ 219.426365][ T6996] el0t_64_sync+0x1a0/0x1a4 [ 219.428856][ T6996] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.430860][ T6996] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.609723][ T6999] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.611008][ T6999] CPU: 0 PID: 6999 Comm: syz.1.631 Not tainted syzkaller #0 [ 219.612150][ T6999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.613854][ T6999] Call trace: [ 219.614364][ T6999] dump_backtrace+0x0/0x458 [ 219.615180][ T6999] show_stack+0x2c/0x3c [ 219.615786][ T6999] __dump_stack+0x30/0x40 [ 219.616476][ T6999] dump_stack_lvl+0xf4/0x15c [ 219.617224][ T6999] dump_stack+0x1c/0x5c [ 219.617864][ T6999] sysfs_create_dir_ns+0x244/0x264 [ 219.618635][ T6999] kobject_add_internal+0x5ac/0xc3c [ 219.619392][ T6999] kobject_init_and_add+0x124/0x190 [ 219.620187][ T6999] gfs2_sys_fs_add+0x200/0x41c [ 219.620974][ T6999] gfs2_fill_super+0xddc/0x1a18 [ 219.621737][ T6999] get_tree_bdev+0x358/0x544 [ 219.622464][ T6999] gfs2_get_tree+0x54/0x1b4 [ 219.623163][ T6999] vfs_get_tree+0x90/0x274 [ 219.623847][ T6999] do_new_mount+0x228/0x810 [ 219.624576][ T6999] path_mount+0x5bc/0x1008 [ 219.625268][ T6999] __arm64_sys_mount+0x514/0x5f0 [ 219.626025][ T6999] invoke_syscall+0x98/0x2b0 [ 219.626754][ T6999] el0_svc_common+0x138/0x258 [ 219.627497][ T6999] do_el0_svc+0x58/0x13c [ 219.628152][ T6999] el0_svc+0x78/0x1d0 [ 219.628781][ T6999] el0t_64_sync_handler+0xcc/0xe4 [ 219.629486][ T6999] el0t_64_sync+0x1a0/0x1a4 [ 219.631654][ T6999] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.633654][ T6999] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 219.814414][ T7002] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 219.815659][ T7002] CPU: 1 PID: 7002 Comm: syz.1.632 Not tainted syzkaller #0 [ 219.816841][ T7002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.818367][ T7002] Call trace: [ 219.818884][ T7002] dump_backtrace+0x0/0x458 [ 219.819658][ T7002] show_stack+0x2c/0x3c [ 219.820325][ T7002] __dump_stack+0x30/0x40 [ 219.821045][ T7002] dump_stack_lvl+0xf4/0x15c [ 219.821754][ T7002] dump_stack+0x1c/0x5c [ 219.822403][ T7002] sysfs_create_dir_ns+0x244/0x264 [ 219.823229][ T7002] kobject_add_internal+0x5ac/0xc3c [ 219.824023][ T7002] kobject_init_and_add+0x124/0x190 [ 219.824818][ T7002] gfs2_sys_fs_add+0x200/0x41c [ 219.825552][ T7002] gfs2_fill_super+0xddc/0x1a18 [ 219.826257][ T7002] get_tree_bdev+0x358/0x544 [ 219.826987][ T7002] gfs2_get_tree+0x54/0x1b4 [ 219.827644][ T7002] vfs_get_tree+0x90/0x274 [ 219.828292][ T7002] do_new_mount+0x228/0x810 [ 219.828922][ T7002] path_mount+0x5bc/0x1008 [ 219.829579][ T7002] __arm64_sys_mount+0x514/0x5f0 [ 219.830322][ T7002] invoke_syscall+0x98/0x2b0 [ 219.830999][ T7002] el0_svc_common+0x138/0x258 [ 219.831690][ T7002] do_el0_svc+0x58/0x13c [ 219.832325][ T7002] el0_svc+0x78/0x1d0 [ 219.832896][ T7002] el0t_64_sync_handler+0xcc/0xe4 [ 219.833720][ T7002] el0t_64_sync+0x1a0/0x1a4 [ 219.836576][ T7002] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 219.838531][ T7002] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.069140][ T7005] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.070309][ T7005] CPU: 1 PID: 7005 Comm: syz.1.633 Not tainted syzkaller #0 [ 220.071374][ T7005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.072935][ T7005] Call trace: [ 220.073469][ T7005] dump_backtrace+0x0/0x458 [ 220.074246][ T7005] show_stack+0x2c/0x3c [ 220.074957][ T7005] __dump_stack+0x30/0x40 [ 220.075709][ T7005] dump_stack_lvl+0xf4/0x15c [ 220.076499][ T7005] dump_stack+0x1c/0x5c [ 220.077184][ T7005] sysfs_create_dir_ns+0x244/0x264 [ 220.078034][ T7005] kobject_add_internal+0x5ac/0xc3c [ 220.078861][ T7005] kobject_init_and_add+0x124/0x190 [ 220.079691][ T7005] gfs2_sys_fs_add+0x200/0x41c [ 220.080448][ T7005] gfs2_fill_super+0xddc/0x1a18 [ 220.081149][ T7005] get_tree_bdev+0x358/0x544 [ 220.081844][ T7005] gfs2_get_tree+0x54/0x1b4 [ 220.082529][ T7005] vfs_get_tree+0x90/0x274 [ 220.083261][ T7005] do_new_mount+0x228/0x810 [ 220.083979][ T7005] path_mount+0x5bc/0x1008 [ 220.084715][ T7005] __arm64_sys_mount+0x514/0x5f0 [ 220.085563][ T7005] invoke_syscall+0x98/0x2b0 [ 220.086244][ T7005] el0_svc_common+0x138/0x258 [ 220.086962][ T7005] do_el0_svc+0x58/0x13c [ 220.087608][ T7005] el0_svc+0x78/0x1d0 [ 220.088208][ T7005] el0t_64_sync_handler+0xcc/0xe4 [ 220.088923][ T7005] el0t_64_sync+0x1a0/0x1a4 [ 220.090892][ T7005] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.093062][ T7005] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.289960][ T7008] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.291248][ T7008] CPU: 1 PID: 7008 Comm: syz.1.634 Not tainted syzkaller #0 [ 220.292401][ T7008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.293946][ T7008] Call trace: [ 220.294448][ T7008] dump_backtrace+0x0/0x458 [ 220.295208][ T7008] show_stack+0x2c/0x3c [ 220.295877][ T7008] __dump_stack+0x30/0x40 [ 220.296611][ T7008] dump_stack_lvl+0xf4/0x15c [ 220.297301][ T7008] dump_stack+0x1c/0x5c [ 220.297910][ T7008] sysfs_create_dir_ns+0x244/0x264 [ 220.298673][ T7008] kobject_add_internal+0x5ac/0xc3c [ 220.299455][ T7008] kobject_init_and_add+0x124/0x190 [ 220.300223][ T7008] gfs2_sys_fs_add+0x200/0x41c [ 220.300993][ T7008] gfs2_fill_super+0xddc/0x1a18 [ 220.301758][ T7008] get_tree_bdev+0x358/0x544 [ 220.302406][ T7008] gfs2_get_tree+0x54/0x1b4 [ 220.303100][ T7008] vfs_get_tree+0x90/0x274 [ 220.303762][ T7008] do_new_mount+0x228/0x810 [ 220.304522][ T7008] path_mount+0x5bc/0x1008 [ 220.305153][ T7008] __arm64_sys_mount+0x514/0x5f0 [ 220.305913][ T7008] invoke_syscall+0x98/0x2b0 [ 220.306585][ T7008] el0_svc_common+0x138/0x258 [ 220.307279][ T7008] do_el0_svc+0x58/0x13c [ 220.307954][ T7008] el0_svc+0x78/0x1d0 [ 220.308539][ T7008] el0t_64_sync_handler+0xcc/0xe4 [ 220.309330][ T7008] el0t_64_sync+0x1a0/0x1a4 [ 220.311811][ T7008] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.314095][ T7008] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.504740][ T7011] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.505926][ T7011] CPU: 0 PID: 7011 Comm: syz.1.635 Not tainted syzkaller #0 [ 220.507098][ T7011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.508598][ T7011] Call trace: [ 220.509134][ T7011] dump_backtrace+0x0/0x458 [ 220.509847][ T7011] show_stack+0x2c/0x3c [ 220.510479][ T7011] __dump_stack+0x30/0x40 [ 220.511254][ T7011] dump_stack_lvl+0xf4/0x15c [ 220.511995][ T7011] dump_stack+0x1c/0x5c [ 220.512699][ T7011] sysfs_create_dir_ns+0x244/0x264 [ 220.513503][ T7011] kobject_add_internal+0x5ac/0xc3c [ 220.514284][ T7011] kobject_init_and_add+0x124/0x190 [ 220.515084][ T7011] gfs2_sys_fs_add+0x200/0x41c [ 220.515823][ T7011] gfs2_fill_super+0xddc/0x1a18 [ 220.516548][ T7011] get_tree_bdev+0x358/0x544 [ 220.517241][ T7011] gfs2_get_tree+0x54/0x1b4 [ 220.517910][ T7011] vfs_get_tree+0x90/0x274 [ 220.518603][ T7011] do_new_mount+0x228/0x810 [ 220.519328][ T7011] path_mount+0x5bc/0x1008 [ 220.519982][ T7011] __arm64_sys_mount+0x514/0x5f0 [ 220.520740][ T7011] invoke_syscall+0x98/0x2b0 [ 220.521507][ T7011] el0_svc_common+0x138/0x258 [ 220.522253][ T7011] do_el0_svc+0x58/0x13c [ 220.522937][ T7011] el0_svc+0x78/0x1d0 [ 220.523526][ T7011] el0t_64_sync_handler+0xcc/0xe4 [ 220.524307][ T7011] el0t_64_sync+0x1a0/0x1a4 [ 220.526420][ T7011] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.528419][ T7011] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.714378][ T7014] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.715628][ T7014] CPU: 1 PID: 7014 Comm: syz.1.636 Not tainted syzkaller #0 [ 220.716750][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.718265][ T7014] Call trace: [ 220.718747][ T7014] dump_backtrace+0x0/0x458 [ 220.719435][ T7014] show_stack+0x2c/0x3c [ 220.720052][ T7014] __dump_stack+0x30/0x40 [ 220.720658][ T7014] dump_stack_lvl+0xf4/0x15c [ 220.721346][ T7014] dump_stack+0x1c/0x5c [ 220.721918][ T7014] sysfs_create_dir_ns+0x244/0x264 [ 220.722664][ T7014] kobject_add_internal+0x5ac/0xc3c [ 220.723437][ T7014] kobject_init_and_add+0x124/0x190 [ 220.724245][ T7014] gfs2_sys_fs_add+0x200/0x41c [ 220.724981][ T7014] gfs2_fill_super+0xddc/0x1a18 [ 220.725764][ T7014] get_tree_bdev+0x358/0x544 [ 220.726469][ T7014] gfs2_get_tree+0x54/0x1b4 [ 220.727140][ T7014] vfs_get_tree+0x90/0x274 [ 220.727881][ T7014] do_new_mount+0x228/0x810 [ 220.728563][ T7014] path_mount+0x5bc/0x1008 [ 220.729265][ T7014] __arm64_sys_mount+0x514/0x5f0 [ 220.729980][ T7014] invoke_syscall+0x98/0x2b0 [ 220.730663][ T7014] el0_svc_common+0x138/0x258 [ 220.731352][ T7014] do_el0_svc+0x58/0x13c [ 220.732027][ T7014] el0_svc+0x78/0x1d0 [ 220.732649][ T7014] el0t_64_sync_handler+0xcc/0xe4 [ 220.733449][ T7014] el0t_64_sync+0x1a0/0x1a4 [ 220.734420][ T7014] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.736482][ T7014] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 220.905595][ T7017] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 220.906852][ T7017] CPU: 0 PID: 7017 Comm: syz.1.637 Not tainted syzkaller #0 [ 220.907989][ T7017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.909542][ T7017] Call trace: [ 220.910042][ T7017] dump_backtrace+0x0/0x458 [ 220.910743][ T7017] show_stack+0x2c/0x3c [ 220.911413][ T7017] __dump_stack+0x30/0x40 [ 220.912050][ T7017] dump_stack_lvl+0xf4/0x15c [ 220.912760][ T7017] dump_stack+0x1c/0x5c [ 220.913422][ T7017] sysfs_create_dir_ns+0x244/0x264 [ 220.914189][ T7017] kobject_add_internal+0x5ac/0xc3c [ 220.914967][ T7017] kobject_init_and_add+0x124/0x190 [ 220.915749][ T7017] gfs2_sys_fs_add+0x200/0x41c [ 220.916490][ T7017] gfs2_fill_super+0xddc/0x1a18 [ 220.917228][ T7017] get_tree_bdev+0x358/0x544 [ 220.917929][ T7017] gfs2_get_tree+0x54/0x1b4 [ 220.918630][ T7017] vfs_get_tree+0x90/0x274 [ 220.919318][ T7017] do_new_mount+0x228/0x810 [ 220.920006][ T7017] path_mount+0x5bc/0x1008 [ 220.920717][ T7017] __arm64_sys_mount+0x514/0x5f0 [ 220.921486][ T7017] invoke_syscall+0x98/0x2b0 [ 220.922186][ T7017] el0_svc_common+0x138/0x258 [ 220.922924][ T7017] do_el0_svc+0x58/0x13c [ 220.923599][ T7017] el0_svc+0x78/0x1d0 [ 220.924192][ T7017] el0t_64_sync_handler+0xcc/0xe4 [ 220.925011][ T7017] el0t_64_sync+0x1a0/0x1a4 [ 220.927349][ T7017] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 220.929437][ T7017] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.114507][ T7020] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.115783][ T7020] CPU: 1 PID: 7020 Comm: syz.1.638 Not tainted syzkaller #0 [ 221.117104][ T7020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.118734][ T7020] Call trace: [ 221.119230][ T7020] dump_backtrace+0x0/0x458 [ 221.119984][ T7020] show_stack+0x2c/0x3c [ 221.120669][ T7020] __dump_stack+0x30/0x40 [ 221.121300][ T7020] dump_stack_lvl+0xf4/0x15c [ 221.122023][ T7020] dump_stack+0x1c/0x5c [ 221.122685][ T7020] sysfs_create_dir_ns+0x244/0x264 [ 221.123482][ T7020] kobject_add_internal+0x5ac/0xc3c [ 221.124320][ T7020] kobject_init_and_add+0x124/0x190 [ 221.125132][ T7020] gfs2_sys_fs_add+0x200/0x41c [ 221.125818][ T7020] gfs2_fill_super+0xddc/0x1a18 [ 221.126559][ T7020] get_tree_bdev+0x358/0x544 [ 221.127228][ T7020] gfs2_get_tree+0x54/0x1b4 [ 221.127908][ T7020] vfs_get_tree+0x90/0x274 [ 221.128591][ T7020] do_new_mount+0x228/0x810 [ 221.129249][ T7020] path_mount+0x5bc/0x1008 [ 221.129900][ T7020] __arm64_sys_mount+0x514/0x5f0 [ 221.130651][ T7020] invoke_syscall+0x98/0x2b0 [ 221.131313][ T7020] el0_svc_common+0x138/0x258 [ 221.131999][ T7020] do_el0_svc+0x58/0x13c [ 221.132707][ T7020] el0_svc+0x78/0x1d0 [ 221.133293][ T7020] el0t_64_sync_handler+0xcc/0xe4 [ 221.134076][ T7020] el0t_64_sync+0x1a0/0x1a4 [ 221.135065][ T7020] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.136995][ T7020] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.364351][ T7023] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.365589][ T7023] CPU: 0 PID: 7023 Comm: syz.1.639 Not tainted syzkaller #0 [ 221.366667][ T7023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.368239][ T7023] Call trace: [ 221.368718][ T7023] dump_backtrace+0x0/0x458 [ 221.369390][ T7023] show_stack+0x2c/0x3c [ 221.369995][ T7023] __dump_stack+0x30/0x40 [ 221.370602][ T7023] dump_stack_lvl+0xf4/0x15c [ 221.371274][ T7023] dump_stack+0x1c/0x5c [ 221.371866][ T7023] sysfs_create_dir_ns+0x244/0x264 [ 221.372663][ T7023] kobject_add_internal+0x5ac/0xc3c [ 221.373428][ T7023] kobject_init_and_add+0x124/0x190 [ 221.374245][ T7023] gfs2_sys_fs_add+0x200/0x41c [ 221.375009][ T7023] gfs2_fill_super+0xddc/0x1a18 [ 221.375786][ T7023] get_tree_bdev+0x358/0x544 [ 221.376482][ T7023] gfs2_get_tree+0x54/0x1b4 [ 221.377193][ T7023] vfs_get_tree+0x90/0x274 [ 221.377824][ T7023] do_new_mount+0x228/0x810 [ 221.378535][ T7023] path_mount+0x5bc/0x1008 [ 221.379243][ T7023] __arm64_sys_mount+0x514/0x5f0 [ 221.379973][ T7023] invoke_syscall+0x98/0x2b0 [ 221.380689][ T7023] el0_svc_common+0x138/0x258 [ 221.381423][ T7023] do_el0_svc+0x58/0x13c [ 221.382094][ T7023] el0_svc+0x78/0x1d0 [ 221.382670][ T7023] el0t_64_sync_handler+0xcc/0xe4 [ 221.383441][ T7023] el0t_64_sync+0x1a0/0x1a4 [ 221.384836][ T7023] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.386889][ T7023] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.393248][ T21] Bluetooth: hci2: command 0x040f tx timeout [ 221.599027][ T7026] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.600346][ T7026] CPU: 0 PID: 7026 Comm: syz.1.640 Not tainted syzkaller #0 [ 221.601583][ T7026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.603258][ T7026] Call trace: [ 221.603772][ T7026] dump_backtrace+0x0/0x458 [ 221.604472][ T7026] show_stack+0x2c/0x3c [ 221.605137][ T7026] __dump_stack+0x30/0x40 [ 221.605782][ T7026] dump_stack_lvl+0xf4/0x15c [ 221.606479][ T7026] dump_stack+0x1c/0x5c [ 221.607105][ T7026] sysfs_create_dir_ns+0x244/0x264 [ 221.607903][ T7026] kobject_add_internal+0x5ac/0xc3c [ 221.608720][ T7026] kobject_init_and_add+0x124/0x190 [ 221.609522][ T7026] gfs2_sys_fs_add+0x200/0x41c [ 221.610186][ T7026] gfs2_fill_super+0xddc/0x1a18 [ 221.610990][ T7026] get_tree_bdev+0x358/0x544 [ 221.611653][ T7026] gfs2_get_tree+0x54/0x1b4 [ 221.612274][ T7026] vfs_get_tree+0x90/0x274 [ 221.612946][ T7026] do_new_mount+0x228/0x810 [ 221.613655][ T7026] path_mount+0x5bc/0x1008 [ 221.614352][ T7026] __arm64_sys_mount+0x514/0x5f0 [ 221.615110][ T7026] invoke_syscall+0x98/0x2b0 [ 221.615877][ T7026] el0_svc_common+0x138/0x258 [ 221.616600][ T7026] do_el0_svc+0x58/0x13c [ 221.617221][ T7026] el0_svc+0x78/0x1d0 [ 221.617843][ T7026] el0t_64_sync_handler+0xcc/0xe4 [ 221.618614][ T7026] el0t_64_sync+0x1a0/0x1a4 [ 221.621219][ T7026] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.624697][ T7026] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.798613][ T7029] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.799886][ T7029] CPU: 0 PID: 7029 Comm: syz.1.641 Not tainted syzkaller #0 [ 221.801017][ T7029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.802673][ T7029] Call trace: [ 221.803202][ T7029] dump_backtrace+0x0/0x458 [ 221.803940][ T7029] show_stack+0x2c/0x3c [ 221.804604][ T7029] __dump_stack+0x30/0x40 [ 221.805300][ T7029] dump_stack_lvl+0xf4/0x15c [ 221.806111][ T7029] dump_stack+0x1c/0x5c [ 221.806758][ T7029] sysfs_create_dir_ns+0x244/0x264 [ 221.807565][ T7029] kobject_add_internal+0x5ac/0xc3c [ 221.808384][ T7029] kobject_init_and_add+0x124/0x190 [ 221.809241][ T7029] gfs2_sys_fs_add+0x200/0x41c [ 221.810017][ T7029] gfs2_fill_super+0xddc/0x1a18 [ 221.810794][ T7029] get_tree_bdev+0x358/0x544 [ 221.811563][ T7029] gfs2_get_tree+0x54/0x1b4 [ 221.812225][ T7029] vfs_get_tree+0x90/0x274 [ 221.812923][ T7029] do_new_mount+0x228/0x810 [ 221.813643][ T7029] path_mount+0x5bc/0x1008 [ 221.814355][ T7029] __arm64_sys_mount+0x514/0x5f0 [ 221.815167][ T7029] invoke_syscall+0x98/0x2b0 [ 221.815898][ T7029] el0_svc_common+0x138/0x258 [ 221.816650][ T7029] do_el0_svc+0x58/0x13c [ 221.817277][ T7029] el0_svc+0x78/0x1d0 [ 221.817916][ T7029] el0t_64_sync_handler+0xcc/0xe4 [ 221.818736][ T7029] el0t_64_sync+0x1a0/0x1a4 [ 221.820866][ T7029] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 221.823478][ T7029] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 221.957202][ T7032] set_capacity_and_notify: 13 callbacks suppressed [ 221.957213][ T7032] loop1: detected capacity change from 0 to 32768 [ 221.998059][ T7032] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 221.999434][ T7032] CPU: 0 PID: 7032 Comm: syz.1.642 Not tainted syzkaller #0 [ 222.000606][ T7032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.002187][ T7032] Call trace: [ 222.002696][ T7032] dump_backtrace+0x0/0x458 [ 222.003448][ T7032] show_stack+0x2c/0x3c [ 222.004163][ T7032] __dump_stack+0x30/0x40 [ 222.004918][ T7032] dump_stack_lvl+0xf4/0x15c [ 222.005628][ T7032] dump_stack+0x1c/0x5c [ 222.006317][ T7032] sysfs_create_dir_ns+0x244/0x264 [ 222.007106][ T7032] kobject_add_internal+0x5ac/0xc3c [ 222.007911][ T7032] kobject_init_and_add+0x124/0x190 [ 222.008742][ T7032] gfs2_sys_fs_add+0x200/0x41c [ 222.009509][ T7032] gfs2_fill_super+0xddc/0x1a18 [ 222.010283][ T7032] get_tree_bdev+0x358/0x544 [ 222.011045][ T7032] gfs2_get_tree+0x54/0x1b4 [ 222.011772][ T7032] vfs_get_tree+0x90/0x274 [ 222.012398][ T7032] do_new_mount+0x228/0x810 [ 222.013098][ T7032] path_mount+0x5bc/0x1008 [ 222.013751][ T7032] __arm64_sys_mount+0x514/0x5f0 [ 222.014505][ T7032] invoke_syscall+0x98/0x2b0 [ 222.015144][ T7032] el0_svc_common+0x138/0x258 [ 222.015895][ T7032] do_el0_svc+0x58/0x13c [ 222.016591][ T7032] el0_svc+0x78/0x1d0 [ 222.017213][ T7032] el0t_64_sync_handler+0xcc/0xe4 [ 222.017987][ T7032] el0t_64_sync+0x1a0/0x1a4 [ 222.020091][ T7032] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.022189][ T7032] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.151593][ T7035] loop1: detected capacity change from 0 to 32768 [ 222.186404][ T7035] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.187893][ T7035] CPU: 1 PID: 7035 Comm: syz.1.643 Not tainted syzkaller #0 [ 222.189087][ T7035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.190613][ T7035] Call trace: [ 222.191122][ T7035] dump_backtrace+0x0/0x458 [ 222.191802][ T7035] show_stack+0x2c/0x3c [ 222.192464][ T7035] __dump_stack+0x30/0x40 [ 222.193157][ T7035] dump_stack_lvl+0xf4/0x15c [ 222.193852][ T7035] dump_stack+0x1c/0x5c [ 222.194498][ T7035] sysfs_create_dir_ns+0x244/0x264 [ 222.195306][ T7035] kobject_add_internal+0x5ac/0xc3c [ 222.196114][ T7035] kobject_init_and_add+0x124/0x190 [ 222.197024][ T7035] gfs2_sys_fs_add+0x200/0x41c [ 222.197851][ T7035] gfs2_fill_super+0xddc/0x1a18 [ 222.198631][ T7035] get_tree_bdev+0x358/0x544 [ 222.199358][ T7035] gfs2_get_tree+0x54/0x1b4 [ 222.200096][ T7035] vfs_get_tree+0x90/0x274 [ 222.200830][ T7035] do_new_mount+0x228/0x810 [ 222.201544][ T7035] path_mount+0x5bc/0x1008 [ 222.202215][ T7035] __arm64_sys_mount+0x514/0x5f0 [ 222.203053][ T7035] invoke_syscall+0x98/0x2b0 [ 222.203772][ T7035] el0_svc_common+0x138/0x258 [ 222.204518][ T7035] do_el0_svc+0x58/0x13c [ 222.205146][ T7035] el0_svc+0x78/0x1d0 [ 222.205803][ T7035] el0t_64_sync_handler+0xcc/0xe4 [ 222.206569][ T7035] el0t_64_sync+0x1a0/0x1a4 [ 222.208064][ T7035] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.210305][ T7035] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:42 executed programs: 630 [ 222.343578][ T7038] loop1: detected capacity change from 0 to 32768 [ 222.404908][ T7038] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.406141][ T7038] CPU: 0 PID: 7038 Comm: syz.1.644 Not tainted syzkaller #0 [ 222.407383][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.409030][ T7038] Call trace: [ 222.409572][ T7038] dump_backtrace+0x0/0x458 [ 222.410244][ T7038] show_stack+0x2c/0x3c [ 222.410885][ T7038] __dump_stack+0x30/0x40 [ 222.411571][ T7038] dump_stack_lvl+0xf4/0x15c [ 222.412274][ T7038] dump_stack+0x1c/0x5c [ 222.412935][ T7038] sysfs_create_dir_ns+0x244/0x264 [ 222.413750][ T7038] kobject_add_internal+0x5ac/0xc3c [ 222.414561][ T7038] kobject_init_and_add+0x124/0x190 [ 222.415417][ T7038] gfs2_sys_fs_add+0x200/0x41c [ 222.416154][ T7038] gfs2_fill_super+0xddc/0x1a18 [ 222.416906][ T7038] get_tree_bdev+0x358/0x544 [ 222.417630][ T7038] gfs2_get_tree+0x54/0x1b4 [ 222.418320][ T7038] vfs_get_tree+0x90/0x274 [ 222.419019][ T7038] do_new_mount+0x228/0x810 [ 222.419687][ T7038] path_mount+0x5bc/0x1008 [ 222.420345][ T7038] __arm64_sys_mount+0x514/0x5f0 [ 222.421091][ T7038] invoke_syscall+0x98/0x2b0 [ 222.421808][ T7038] el0_svc_common+0x138/0x258 [ 222.422547][ T7038] do_el0_svc+0x58/0x13c [ 222.423176][ T7038] el0_svc+0x78/0x1d0 [ 222.423795][ T7038] el0t_64_sync_handler+0xcc/0xe4 [ 222.424590][ T7038] el0t_64_sync+0x1a0/0x1a4 [ 222.426711][ T7038] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.428655][ T7038] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.558410][ T7041] loop1: detected capacity change from 0 to 32768 [ 222.594880][ T7041] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.596124][ T7041] CPU: 1 PID: 7041 Comm: syz.1.645 Not tainted syzkaller #0 [ 222.597342][ T7041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.598965][ T7041] Call trace: [ 222.599433][ T7041] dump_backtrace+0x0/0x458 [ 222.600195][ T7041] show_stack+0x2c/0x3c [ 222.600814][ T7041] __dump_stack+0x30/0x40 [ 222.601444][ T7041] dump_stack_lvl+0xf4/0x15c [ 222.602120][ T7041] dump_stack+0x1c/0x5c [ 222.602717][ T7041] sysfs_create_dir_ns+0x244/0x264 [ 222.603467][ T7041] kobject_add_internal+0x5ac/0xc3c [ 222.604308][ T7041] kobject_init_and_add+0x124/0x190 [ 222.605138][ T7041] gfs2_sys_fs_add+0x200/0x41c [ 222.605870][ T7041] gfs2_fill_super+0xddc/0x1a18 [ 222.606661][ T7041] get_tree_bdev+0x358/0x544 [ 222.607403][ T7041] gfs2_get_tree+0x54/0x1b4 [ 222.608076][ T7041] vfs_get_tree+0x90/0x274 [ 222.608754][ T7041] do_new_mount+0x228/0x810 [ 222.609481][ T7041] path_mount+0x5bc/0x1008 [ 222.610165][ T7041] __arm64_sys_mount+0x514/0x5f0 [ 222.610929][ T7041] invoke_syscall+0x98/0x2b0 [ 222.611639][ T7041] el0_svc_common+0x138/0x258 [ 222.612376][ T7041] do_el0_svc+0x58/0x13c [ 222.613043][ T7041] el0_svc+0x78/0x1d0 [ 222.613638][ T7041] el0t_64_sync_handler+0xcc/0xe4 [ 222.614421][ T7041] el0t_64_sync+0x1a0/0x1a4 [ 222.615936][ T7041] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.617987][ T7041] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 222.864267][ T7044] loop1: detected capacity change from 0 to 32768 [ 222.918620][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 222.919796][ T7044] CPU: 1 PID: 7044 Comm: syz.1.646 Not tainted syzkaller #0 [ 222.920952][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.922466][ T7044] Call trace: [ 222.922995][ T7044] dump_backtrace+0x0/0x458 [ 222.923670][ T7044] show_stack+0x2c/0x3c [ 222.924304][ T7044] __dump_stack+0x30/0x40 [ 222.925015][ T7044] dump_stack_lvl+0xf4/0x15c [ 222.925681][ T7044] dump_stack+0x1c/0x5c [ 222.926303][ T7044] sysfs_create_dir_ns+0x244/0x264 [ 222.927071][ T7044] kobject_add_internal+0x5ac/0xc3c [ 222.927949][ T7044] kobject_init_and_add+0x124/0x190 [ 222.928739][ T7044] gfs2_sys_fs_add+0x200/0x41c [ 222.929475][ T7044] gfs2_fill_super+0xddc/0x1a18 [ 222.930201][ T7044] get_tree_bdev+0x358/0x544 [ 222.930880][ T7044] gfs2_get_tree+0x54/0x1b4 [ 222.931561][ T7044] vfs_get_tree+0x90/0x274 [ 222.932251][ T7044] do_new_mount+0x228/0x810 [ 222.932958][ T7044] path_mount+0x5bc/0x1008 [ 222.933626][ T7044] __arm64_sys_mount+0x514/0x5f0 [ 222.934328][ T7044] invoke_syscall+0x98/0x2b0 [ 222.935034][ T7044] el0_svc_common+0x138/0x258 [ 222.935803][ T7044] do_el0_svc+0x58/0x13c [ 222.936482][ T7044] el0_svc+0x78/0x1d0 [ 222.937156][ T7044] el0t_64_sync_handler+0xcc/0xe4 [ 222.937975][ T7044] el0t_64_sync+0x1a0/0x1a4 [ 222.940331][ T7044] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 222.942556][ T7044] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.081357][ T7047] loop1: detected capacity change from 0 to 32768 [ 223.089315][ T7047] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.090590][ T7047] CPU: 0 PID: 7047 Comm: syz.1.647 Not tainted syzkaller #0 [ 223.091706][ T7047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.093323][ T7047] Call trace: [ 223.093830][ T7047] dump_backtrace+0x0/0x458 [ 223.094497][ T7047] show_stack+0x2c/0x3c [ 223.095139][ T7047] __dump_stack+0x30/0x40 [ 223.095799][ T7047] dump_stack_lvl+0xf4/0x15c [ 223.096487][ T7047] dump_stack+0x1c/0x5c [ 223.097147][ T7047] sysfs_create_dir_ns+0x244/0x264 [ 223.097929][ T7047] kobject_add_internal+0x5ac/0xc3c [ 223.098728][ T7047] kobject_init_and_add+0x124/0x190 [ 223.099462][ T7047] gfs2_sys_fs_add+0x200/0x41c [ 223.100190][ T7047] gfs2_fill_super+0xddc/0x1a18 [ 223.100921][ T7047] get_tree_bdev+0x358/0x544 [ 223.101580][ T7047] gfs2_get_tree+0x54/0x1b4 [ 223.102286][ T7047] vfs_get_tree+0x90/0x274 [ 223.102925][ T7047] do_new_mount+0x228/0x810 [ 223.103661][ T7047] path_mount+0x5bc/0x1008 [ 223.104323][ T7047] __arm64_sys_mount+0x514/0x5f0 [ 223.105026][ T7047] invoke_syscall+0x98/0x2b0 [ 223.105772][ T7047] el0_svc_common+0x138/0x258 [ 223.106467][ T7047] do_el0_svc+0x58/0x13c [ 223.107138][ T7047] el0_svc+0x78/0x1d0 [ 223.107768][ T7047] el0t_64_sync_handler+0xcc/0xe4 [ 223.108523][ T7047] el0t_64_sync+0x1a0/0x1a4 [ 223.109389][ T7047] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.111399][ T7047] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.239842][ T7050] loop1: detected capacity change from 0 to 32768 [ 223.278303][ T7050] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.279524][ T7050] CPU: 0 PID: 7050 Comm: syz.1.648 Not tainted syzkaller #0 [ 223.280663][ T7050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.282135][ T7050] Call trace: [ 223.282629][ T7050] dump_backtrace+0x0/0x458 [ 223.283305][ T7050] show_stack+0x2c/0x3c [ 223.283923][ T7050] __dump_stack+0x30/0x40 [ 223.284584][ T7050] dump_stack_lvl+0xf4/0x15c [ 223.285274][ T7050] dump_stack+0x1c/0x5c [ 223.285949][ T7050] sysfs_create_dir_ns+0x244/0x264 [ 223.286758][ T7050] kobject_add_internal+0x5ac/0xc3c [ 223.287602][ T7050] kobject_init_and_add+0x124/0x190 [ 223.288447][ T7050] gfs2_sys_fs_add+0x200/0x41c [ 223.289215][ T7050] gfs2_fill_super+0xddc/0x1a18 [ 223.290012][ T7050] get_tree_bdev+0x358/0x544 [ 223.290702][ T7050] gfs2_get_tree+0x54/0x1b4 [ 223.291342][ T7050] vfs_get_tree+0x90/0x274 [ 223.292044][ T7050] do_new_mount+0x228/0x810 [ 223.292747][ T7050] path_mount+0x5bc/0x1008 [ 223.293465][ T7050] __arm64_sys_mount+0x514/0x5f0 [ 223.294240][ T7050] invoke_syscall+0x98/0x2b0 [ 223.294930][ T7050] el0_svc_common+0x138/0x258 [ 223.295659][ T7050] do_el0_svc+0x58/0x13c [ 223.296326][ T7050] el0_svc+0x78/0x1d0 [ 223.296957][ T7050] el0t_64_sync_handler+0xcc/0xe4 [ 223.297684][ T7050] el0t_64_sync+0x1a0/0x1a4 [ 223.300153][ T7050] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.302329][ T7050] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.431844][ T7053] loop1: detected capacity change from 0 to 32768 [ 223.473190][ T21] Bluetooth: hci2: command 0x0419 tx timeout [ 223.477928][ T7053] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.479194][ T7053] CPU: 1 PID: 7053 Comm: syz.1.649 Not tainted syzkaller #0 [ 223.480387][ T7053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.481980][ T7053] Call trace: [ 223.482484][ T7053] dump_backtrace+0x0/0x458 [ 223.483134][ T7053] show_stack+0x2c/0x3c [ 223.483784][ T7053] __dump_stack+0x30/0x40 [ 223.484580][ T7053] dump_stack_lvl+0xf4/0x15c [ 223.485277][ T7053] dump_stack+0x1c/0x5c [ 223.485918][ T7053] sysfs_create_dir_ns+0x244/0x264 [ 223.486743][ T7053] kobject_add_internal+0x5ac/0xc3c [ 223.487567][ T7053] kobject_init_and_add+0x124/0x190 [ 223.488374][ T7053] gfs2_sys_fs_add+0x200/0x41c [ 223.489143][ T7053] gfs2_fill_super+0xddc/0x1a18 [ 223.489848][ T7053] get_tree_bdev+0x358/0x544 [ 223.490555][ T7053] gfs2_get_tree+0x54/0x1b4 [ 223.491278][ T7053] vfs_get_tree+0x90/0x274 [ 223.491941][ T7053] do_new_mount+0x228/0x810 [ 223.492619][ T7053] path_mount+0x5bc/0x1008 [ 223.493284][ T7053] __arm64_sys_mount+0x514/0x5f0 [ 223.494068][ T7053] invoke_syscall+0x98/0x2b0 [ 223.494758][ T7053] el0_svc_common+0x138/0x258 [ 223.495463][ T7053] do_el0_svc+0x58/0x13c [ 223.496140][ T7053] el0_svc+0x78/0x1d0 [ 223.496752][ T7053] el0t_64_sync_handler+0xcc/0xe4 [ 223.497577][ T7053] el0t_64_sync+0x1a0/0x1a4 [ 223.499221][ T7053] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.501214][ T7053] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.638645][ T7056] loop1: detected capacity change from 0 to 32768 [ 223.643918][ T7056] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.645206][ T7056] CPU: 1 PID: 7056 Comm: syz.1.650 Not tainted syzkaller #0 [ 223.646341][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.648011][ T7056] Call trace: [ 223.648544][ T7056] dump_backtrace+0x0/0x458 [ 223.649260][ T7056] show_stack+0x2c/0x3c [ 223.649986][ T7056] __dump_stack+0x30/0x40 [ 223.650681][ T7056] dump_stack_lvl+0xf4/0x15c [ 223.651403][ T7056] dump_stack+0x1c/0x5c [ 223.652074][ T7056] sysfs_create_dir_ns+0x244/0x264 [ 223.652918][ T7056] kobject_add_internal+0x5ac/0xc3c [ 223.653727][ T7056] kobject_init_and_add+0x124/0x190 [ 223.654545][ T7056] gfs2_sys_fs_add+0x200/0x41c [ 223.655261][ T7056] gfs2_fill_super+0xddc/0x1a18 [ 223.655994][ T7056] get_tree_bdev+0x358/0x544 [ 223.656696][ T7056] gfs2_get_tree+0x54/0x1b4 [ 223.657377][ T7056] vfs_get_tree+0x90/0x274 [ 223.658075][ T7056] do_new_mount+0x228/0x810 [ 223.658782][ T7056] path_mount+0x5bc/0x1008 [ 223.659448][ T7056] __arm64_sys_mount+0x514/0x5f0 [ 223.660212][ T7056] invoke_syscall+0x98/0x2b0 [ 223.660944][ T7056] el0_svc_common+0x138/0x258 [ 223.661640][ T7056] do_el0_svc+0x58/0x13c [ 223.662265][ T7056] el0_svc+0x78/0x1d0 [ 223.662846][ T7056] el0t_64_sync_handler+0xcc/0xe4 [ 223.663667][ T7056] el0t_64_sync+0x1a0/0x1a4 [ 223.666212][ T7056] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.668241][ T7056] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 223.798424][ T7059] loop1: detected capacity change from 0 to 32768 [ 223.884622][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 223.885952][ T7059] CPU: 0 PID: 7059 Comm: syz.1.651 Not tainted syzkaller #0 [ 223.887107][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.888589][ T7059] Call trace: [ 223.889074][ T7059] dump_backtrace+0x0/0x458 [ 223.889735][ T7059] show_stack+0x2c/0x3c [ 223.890412][ T7059] __dump_stack+0x30/0x40 [ 223.891110][ T7059] dump_stack_lvl+0xf4/0x15c [ 223.891783][ T7059] dump_stack+0x1c/0x5c [ 223.892434][ T7059] sysfs_create_dir_ns+0x244/0x264 [ 223.893212][ T7059] kobject_add_internal+0x5ac/0xc3c [ 223.893999][ T7059] kobject_init_and_add+0x124/0x190 [ 223.894791][ T7059] gfs2_sys_fs_add+0x200/0x41c [ 223.895546][ T7059] gfs2_fill_super+0xddc/0x1a18 [ 223.896314][ T7059] get_tree_bdev+0x358/0x544 [ 223.897027][ T7059] gfs2_get_tree+0x54/0x1b4 [ 223.897751][ T7059] vfs_get_tree+0x90/0x274 [ 223.898382][ T7059] do_new_mount+0x228/0x810 [ 223.899064][ T7059] path_mount+0x5bc/0x1008 [ 223.899724][ T7059] __arm64_sys_mount+0x514/0x5f0 [ 223.900507][ T7059] invoke_syscall+0x98/0x2b0 [ 223.901257][ T7059] el0_svc_common+0x138/0x258 [ 223.901942][ T7059] do_el0_svc+0x58/0x13c [ 223.902568][ T7059] el0_svc+0x78/0x1d0 [ 223.903125][ T7059] el0t_64_sync_handler+0xcc/0xe4 [ 223.903911][ T7059] el0t_64_sync+0x1a0/0x1a4 [ 223.905983][ T7059] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 223.908126][ T7059] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.053074][ T7062] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.054412][ T7062] CPU: 1 PID: 7062 Comm: syz.1.652 Not tainted syzkaller #0 [ 224.055558][ T7062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.057014][ T7062] Call trace: [ 224.057538][ T7062] dump_backtrace+0x0/0x458 [ 224.058176][ T7062] show_stack+0x2c/0x3c [ 224.058781][ T7062] __dump_stack+0x30/0x40 [ 224.059400][ T7062] dump_stack_lvl+0xf4/0x15c [ 224.060100][ T7062] dump_stack+0x1c/0x5c [ 224.060708][ T7062] sysfs_create_dir_ns+0x244/0x264 [ 224.061488][ T7062] kobject_add_internal+0x5ac/0xc3c [ 224.062235][ T7062] kobject_init_and_add+0x124/0x190 [ 224.063071][ T7062] gfs2_sys_fs_add+0x200/0x41c [ 224.063762][ T7062] gfs2_fill_super+0xddc/0x1a18 [ 224.064500][ T7062] get_tree_bdev+0x358/0x544 [ 224.065196][ T7062] gfs2_get_tree+0x54/0x1b4 [ 224.065858][ T7062] vfs_get_tree+0x90/0x274 [ 224.066480][ T7062] do_new_mount+0x228/0x810 [ 224.067170][ T7062] path_mount+0x5bc/0x1008 [ 224.067830][ T7062] __arm64_sys_mount+0x514/0x5f0 [ 224.068599][ T7062] invoke_syscall+0x98/0x2b0 [ 224.069304][ T7062] el0_svc_common+0x138/0x258 [ 224.070033][ T7062] do_el0_svc+0x58/0x13c [ 224.070715][ T7062] el0_svc+0x78/0x1d0 [ 224.071327][ T7062] el0t_64_sync_handler+0xcc/0xe4 [ 224.072150][ T7062] el0t_64_sync+0x1a0/0x1a4 [ 224.072970][ T7062] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.075112][ T7062] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.250267][ T7065] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.251493][ T7065] CPU: 0 PID: 7065 Comm: syz.1.653 Not tainted syzkaller #0 [ 224.252617][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.254091][ T7065] Call trace: [ 224.254584][ T7065] dump_backtrace+0x0/0x458 [ 224.255312][ T7065] show_stack+0x2c/0x3c [ 224.255963][ T7065] __dump_stack+0x30/0x40 [ 224.256623][ T7065] dump_stack_lvl+0xf4/0x15c [ 224.257294][ T7065] dump_stack+0x1c/0x5c [ 224.257961][ T7065] sysfs_create_dir_ns+0x244/0x264 [ 224.258701][ T7065] kobject_add_internal+0x5ac/0xc3c [ 224.259470][ T7065] kobject_init_and_add+0x124/0x190 [ 224.260260][ T7065] gfs2_sys_fs_add+0x200/0x41c [ 224.260961][ T7065] gfs2_fill_super+0xddc/0x1a18 [ 224.261672][ T7065] get_tree_bdev+0x358/0x544 [ 224.262375][ T7065] gfs2_get_tree+0x54/0x1b4 [ 224.263033][ T7065] vfs_get_tree+0x90/0x274 [ 224.263716][ T7065] do_new_mount+0x228/0x810 [ 224.264437][ T7065] path_mount+0x5bc/0x1008 [ 224.265095][ T7065] __arm64_sys_mount+0x514/0x5f0 [ 224.265836][ T7065] invoke_syscall+0x98/0x2b0 [ 224.266549][ T7065] el0_svc_common+0x138/0x258 [ 224.267297][ T7065] do_el0_svc+0x58/0x13c [ 224.267956][ T7065] el0_svc+0x78/0x1d0 [ 224.268579][ T7065] el0t_64_sync_handler+0xcc/0xe4 [ 224.269324][ T7065] el0t_64_sync+0x1a0/0x1a4 [ 224.271331][ T7065] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.273704][ T7065] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.448516][ T7068] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.449911][ T7068] CPU: 1 PID: 7068 Comm: syz.1.654 Not tainted syzkaller #0 [ 224.451112][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.452745][ T7068] Call trace: [ 224.453253][ T7068] dump_backtrace+0x0/0x458 [ 224.453898][ T7068] show_stack+0x2c/0x3c [ 224.454570][ T7068] __dump_stack+0x30/0x40 [ 224.455231][ T7068] dump_stack_lvl+0xf4/0x15c [ 224.455936][ T7068] dump_stack+0x1c/0x5c [ 224.456628][ T7068] sysfs_create_dir_ns+0x244/0x264 [ 224.457484][ T7068] kobject_add_internal+0x5ac/0xc3c [ 224.458282][ T7068] kobject_init_and_add+0x124/0x190 [ 224.459123][ T7068] gfs2_sys_fs_add+0x200/0x41c [ 224.459926][ T7068] gfs2_fill_super+0xddc/0x1a18 [ 224.460709][ T7068] get_tree_bdev+0x358/0x544 [ 224.461409][ T7068] gfs2_get_tree+0x54/0x1b4 [ 224.462174][ T7068] vfs_get_tree+0x90/0x274 [ 224.462817][ T7068] do_new_mount+0x228/0x810 [ 224.463522][ T7068] path_mount+0x5bc/0x1008 [ 224.464198][ T7068] __arm64_sys_mount+0x514/0x5f0 [ 224.464892][ T7068] invoke_syscall+0x98/0x2b0 [ 224.465652][ T7068] el0_svc_common+0x138/0x258 [ 224.466420][ T7068] do_el0_svc+0x58/0x13c [ 224.467103][ T7068] el0_svc+0x78/0x1d0 [ 224.467698][ T7068] el0t_64_sync_handler+0xcc/0xe4 [ 224.468464][ T7068] el0t_64_sync+0x1a0/0x1a4 [ 224.469371][ T7068] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.471229][ T7068] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.634477][ T7071] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.635604][ T7071] CPU: 0 PID: 7071 Comm: syz.1.655 Not tainted syzkaller #0 [ 224.636716][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.638232][ T7071] Call trace: [ 224.638704][ T7071] dump_backtrace+0x0/0x458 [ 224.639516][ T7071] show_stack+0x2c/0x3c [ 224.640167][ T7071] __dump_stack+0x30/0x40 [ 224.640835][ T7071] dump_stack_lvl+0xf4/0x15c [ 224.641501][ T7071] dump_stack+0x1c/0x5c [ 224.642179][ T7071] sysfs_create_dir_ns+0x244/0x264 [ 224.642923][ T7071] kobject_add_internal+0x5ac/0xc3c [ 224.643674][ T7071] kobject_init_and_add+0x124/0x190 [ 224.644410][ T7071] gfs2_sys_fs_add+0x200/0x41c [ 224.645150][ T7071] gfs2_fill_super+0xddc/0x1a18 [ 224.645888][ T7071] get_tree_bdev+0x358/0x544 [ 224.646564][ T7071] gfs2_get_tree+0x54/0x1b4 [ 224.647225][ T7071] vfs_get_tree+0x90/0x274 [ 224.647957][ T7071] do_new_mount+0x228/0x810 [ 224.648622][ T7071] path_mount+0x5bc/0x1008 [ 224.649215][ T7071] __arm64_sys_mount+0x514/0x5f0 [ 224.649937][ T7071] invoke_syscall+0x98/0x2b0 [ 224.650609][ T7071] el0_svc_common+0x138/0x258 [ 224.651352][ T7071] do_el0_svc+0x58/0x13c [ 224.651997][ T7071] el0_svc+0x78/0x1d0 [ 224.652551][ T7071] el0t_64_sync_handler+0xcc/0xe4 [ 224.653273][ T7071] el0t_64_sync+0x1a0/0x1a4 [ 224.654484][ T7071] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.656350][ T7071] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 224.824473][ T7074] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 224.825765][ T7074] CPU: 0 PID: 7074 Comm: syz.1.656 Not tainted syzkaller #0 [ 224.826961][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.828569][ T7074] Call trace: [ 224.829055][ T7074] dump_backtrace+0x0/0x458 [ 224.829817][ T7074] show_stack+0x2c/0x3c [ 224.830533][ T7074] __dump_stack+0x30/0x40 [ 224.831209][ T7074] dump_stack_lvl+0xf4/0x15c [ 224.831876][ T7074] dump_stack+0x1c/0x5c [ 224.832561][ T7074] sysfs_create_dir_ns+0x244/0x264 [ 224.833304][ T7074] kobject_add_internal+0x5ac/0xc3c [ 224.834099][ T7074] kobject_init_and_add+0x124/0x190 [ 224.834860][ T7074] gfs2_sys_fs_add+0x200/0x41c [ 224.835583][ T7074] gfs2_fill_super+0xddc/0x1a18 [ 224.836292][ T7074] get_tree_bdev+0x358/0x544 [ 224.836980][ T7074] gfs2_get_tree+0x54/0x1b4 [ 224.837703][ T7074] vfs_get_tree+0x90/0x274 [ 224.838382][ T7074] do_new_mount+0x228/0x810 [ 224.839101][ T7074] path_mount+0x5bc/0x1008 [ 224.839801][ T7074] __arm64_sys_mount+0x514/0x5f0 [ 224.840617][ T7074] invoke_syscall+0x98/0x2b0 [ 224.841329][ T7074] el0_svc_common+0x138/0x258 [ 224.842053][ T7074] do_el0_svc+0x58/0x13c [ 224.842706][ T7074] el0_svc+0x78/0x1d0 [ 224.843299][ T7074] el0t_64_sync_handler+0xcc/0xe4 [ 224.844059][ T7074] el0t_64_sync+0x1a0/0x1a4 [ 224.844998][ T7074] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 224.846999][ T7074] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.064592][ T7077] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.066241][ T7077] CPU: 0 PID: 7077 Comm: syz.1.657 Not tainted syzkaller #0 [ 225.067366][ T7077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.069082][ T7077] Call trace: [ 225.069692][ T7077] dump_backtrace+0x0/0x458 [ 225.070450][ T7077] show_stack+0x2c/0x3c [ 225.071101][ T7077] __dump_stack+0x30/0x40 [ 225.071797][ T7077] dump_stack_lvl+0xf4/0x15c [ 225.072583][ T7077] dump_stack+0x1c/0x5c [ 225.073218][ T7077] sysfs_create_dir_ns+0x244/0x264 [ 225.074024][ T7077] kobject_add_internal+0x5ac/0xc3c [ 225.074830][ T7077] kobject_init_and_add+0x124/0x190 [ 225.075625][ T7077] gfs2_sys_fs_add+0x200/0x41c [ 225.076355][ T7077] gfs2_fill_super+0xddc/0x1a18 [ 225.077057][ T7077] get_tree_bdev+0x358/0x544 [ 225.077743][ T7077] gfs2_get_tree+0x54/0x1b4 [ 225.078432][ T7077] vfs_get_tree+0x90/0x274 [ 225.079066][ T7077] do_new_mount+0x228/0x810 [ 225.079725][ T7077] path_mount+0x5bc/0x1008 [ 225.080364][ T7077] __arm64_sys_mount+0x514/0x5f0 [ 225.081096][ T7077] invoke_syscall+0x98/0x2b0 [ 225.081835][ T7077] el0_svc_common+0x138/0x258 [ 225.082532][ T7077] do_el0_svc+0x58/0x13c [ 225.083167][ T7077] el0_svc+0x78/0x1d0 [ 225.083773][ T7077] el0t_64_sync_handler+0xcc/0xe4 [ 225.084568][ T7077] el0t_64_sync+0x1a0/0x1a4 [ 225.089857][ T7077] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.091923][ T7077] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.235773][ T7080] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.236955][ T7080] CPU: 1 PID: 7080 Comm: syz.1.658 Not tainted syzkaller #0 [ 225.238059][ T7080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.239693][ T7080] Call trace: [ 225.240224][ T7080] dump_backtrace+0x0/0x458 [ 225.240943][ T7080] show_stack+0x2c/0x3c [ 225.241568][ T7080] __dump_stack+0x30/0x40 [ 225.242179][ T7080] dump_stack_lvl+0xf4/0x15c [ 225.242862][ T7080] dump_stack+0x1c/0x5c [ 225.243510][ T7080] sysfs_create_dir_ns+0x244/0x264 [ 225.244331][ T7080] kobject_add_internal+0x5ac/0xc3c [ 225.245130][ T7080] kobject_init_and_add+0x124/0x190 [ 225.245955][ T7080] gfs2_sys_fs_add+0x200/0x41c [ 225.246782][ T7080] gfs2_fill_super+0xddc/0x1a18 [ 225.247532][ T7080] get_tree_bdev+0x358/0x544 [ 225.248279][ T7080] gfs2_get_tree+0x54/0x1b4 [ 225.249033][ T7080] vfs_get_tree+0x90/0x274 [ 225.249829][ T7080] do_new_mount+0x228/0x810 [ 225.250601][ T7080] path_mount+0x5bc/0x1008 [ 225.251353][ T7080] __arm64_sys_mount+0x514/0x5f0 [ 225.252099][ T7080] invoke_syscall+0x98/0x2b0 [ 225.252784][ T7080] el0_svc_common+0x138/0x258 [ 225.253502][ T7080] do_el0_svc+0x58/0x13c [ 225.254137][ T7080] el0_svc+0x78/0x1d0 [ 225.254740][ T7080] el0t_64_sync_handler+0xcc/0xe4 [ 225.255421][ T7080] el0t_64_sync+0x1a0/0x1a4 [ 225.257393][ T7080] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.259614][ T7080] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.414698][ T7083] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.416077][ T7083] CPU: 1 PID: 7083 Comm: syz.1.659 Not tainted syzkaller #0 [ 225.417239][ T7083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.418757][ T7083] Call trace: [ 225.419244][ T7083] dump_backtrace+0x0/0x458 [ 225.419871][ T7083] show_stack+0x2c/0x3c [ 225.420452][ T7083] __dump_stack+0x30/0x40 [ 225.421140][ T7083] dump_stack_lvl+0xf4/0x15c [ 225.421871][ T7083] dump_stack+0x1c/0x5c [ 225.422538][ T7083] sysfs_create_dir_ns+0x244/0x264 [ 225.423323][ T7083] kobject_add_internal+0x5ac/0xc3c [ 225.424164][ T7083] kobject_init_and_add+0x124/0x190 [ 225.424967][ T7083] gfs2_sys_fs_add+0x200/0x41c [ 225.425712][ T7083] gfs2_fill_super+0xddc/0x1a18 [ 225.426501][ T7083] get_tree_bdev+0x358/0x544 [ 225.427150][ T7083] gfs2_get_tree+0x54/0x1b4 [ 225.427831][ T7083] vfs_get_tree+0x90/0x274 [ 225.428514][ T7083] do_new_mount+0x228/0x810 [ 225.429228][ T7083] path_mount+0x5bc/0x1008 [ 225.429898][ T7083] __arm64_sys_mount+0x514/0x5f0 [ 225.430615][ T7083] invoke_syscall+0x98/0x2b0 [ 225.431365][ T7083] el0_svc_common+0x138/0x258 [ 225.432143][ T7083] do_el0_svc+0x58/0x13c [ 225.432799][ T7083] el0_svc+0x78/0x1d0 [ 225.433399][ T7083] el0t_64_sync_handler+0xcc/0xe4 [ 225.434208][ T7083] el0t_64_sync+0x1a0/0x1a4 [ 225.436451][ T7083] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.438430][ T7083] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.614484][ T7086] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.615756][ T7086] CPU: 1 PID: 7086 Comm: syz.1.660 Not tainted syzkaller #0 [ 225.616873][ T7086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.618328][ T7086] Call trace: [ 225.618836][ T7086] dump_backtrace+0x0/0x458 [ 225.619549][ T7086] show_stack+0x2c/0x3c [ 225.620212][ T7086] __dump_stack+0x30/0x40 [ 225.620929][ T7086] dump_stack_lvl+0xf4/0x15c [ 225.621676][ T7086] dump_stack+0x1c/0x5c [ 225.622332][ T7086] sysfs_create_dir_ns+0x244/0x264 [ 225.623125][ T7086] kobject_add_internal+0x5ac/0xc3c [ 225.623920][ T7086] kobject_init_and_add+0x124/0x190 [ 225.624730][ T7086] gfs2_sys_fs_add+0x200/0x41c [ 225.625487][ T7086] gfs2_fill_super+0xddc/0x1a18 [ 225.626259][ T7086] get_tree_bdev+0x358/0x544 [ 225.626950][ T7086] gfs2_get_tree+0x54/0x1b4 [ 225.627634][ T7086] vfs_get_tree+0x90/0x274 [ 225.628340][ T7086] do_new_mount+0x228/0x810 [ 225.629004][ T7086] path_mount+0x5bc/0x1008 [ 225.629709][ T7086] __arm64_sys_mount+0x514/0x5f0 [ 225.630446][ T7086] invoke_syscall+0x98/0x2b0 [ 225.631175][ T7086] el0_svc_common+0x138/0x258 [ 225.631925][ T7086] do_el0_svc+0x58/0x13c [ 225.632576][ T7086] el0_svc+0x78/0x1d0 [ 225.633209][ T7086] el0t_64_sync_handler+0xcc/0xe4 [ 225.633995][ T7086] el0t_64_sync+0x1a0/0x1a4 [ 225.636385][ T7086] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.638511][ T7086] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 225.804684][ T7089] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 225.805937][ T7089] CPU: 0 PID: 7089 Comm: syz.1.661 Not tainted syzkaller #0 [ 225.806996][ T7089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.808576][ T7089] Call trace: [ 225.809007][ T7089] dump_backtrace+0x0/0x458 [ 225.809725][ T7089] show_stack+0x2c/0x3c [ 225.810337][ T7089] __dump_stack+0x30/0x40 [ 225.810989][ T7089] dump_stack_lvl+0xf4/0x15c [ 225.811668][ T7089] dump_stack+0x1c/0x5c [ 225.812323][ T7089] sysfs_create_dir_ns+0x244/0x264 [ 225.813127][ T7089] kobject_add_internal+0x5ac/0xc3c [ 225.813868][ T7089] kobject_init_and_add+0x124/0x190 [ 225.814627][ T7089] gfs2_sys_fs_add+0x200/0x41c [ 225.815395][ T7089] gfs2_fill_super+0xddc/0x1a18 [ 225.816213][ T7089] get_tree_bdev+0x358/0x544 [ 225.816945][ T7089] gfs2_get_tree+0x54/0x1b4 [ 225.817619][ T7089] vfs_get_tree+0x90/0x274 [ 225.818249][ T7089] do_new_mount+0x228/0x810 [ 225.818935][ T7089] path_mount+0x5bc/0x1008 [ 225.819575][ T7089] __arm64_sys_mount+0x514/0x5f0 [ 225.820348][ T7089] invoke_syscall+0x98/0x2b0 [ 225.821080][ T7089] el0_svc_common+0x138/0x258 [ 225.821771][ T7089] do_el0_svc+0x58/0x13c [ 225.822428][ T7089] el0_svc+0x78/0x1d0 [ 225.822997][ T7089] el0t_64_sync_handler+0xcc/0xe4 [ 225.823779][ T7089] el0t_64_sync+0x1a0/0x1a4 [ 225.824875][ T7089] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 225.826922][ T7089] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.027245][ T7092] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.028516][ T7092] CPU: 1 PID: 7092 Comm: syz.1.662 Not tainted syzkaller #0 [ 226.029601][ T7092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.031154][ T7092] Call trace: [ 226.031636][ T7092] dump_backtrace+0x0/0x458 [ 226.032334][ T7092] show_stack+0x2c/0x3c [ 226.032944][ T7092] __dump_stack+0x30/0x40 [ 226.033599][ T7092] dump_stack_lvl+0xf4/0x15c [ 226.034315][ T7092] dump_stack+0x1c/0x5c [ 226.034927][ T7092] sysfs_create_dir_ns+0x244/0x264 [ 226.035736][ T7092] kobject_add_internal+0x5ac/0xc3c [ 226.036583][ T7092] kobject_init_and_add+0x124/0x190 [ 226.037365][ T7092] gfs2_sys_fs_add+0x200/0x41c [ 226.038083][ T7092] gfs2_fill_super+0xddc/0x1a18 [ 226.038810][ T7092] get_tree_bdev+0x358/0x544 [ 226.039440][ T7092] gfs2_get_tree+0x54/0x1b4 [ 226.040135][ T7092] vfs_get_tree+0x90/0x274 [ 226.040805][ T7092] do_new_mount+0x228/0x810 [ 226.041533][ T7092] path_mount+0x5bc/0x1008 [ 226.042262][ T7092] __arm64_sys_mount+0x514/0x5f0 [ 226.043077][ T7092] invoke_syscall+0x98/0x2b0 [ 226.043812][ T7092] el0_svc_common+0x138/0x258 [ 226.044461][ T7092] do_el0_svc+0x58/0x13c [ 226.045113][ T7092] el0_svc+0x78/0x1d0 [ 226.045649][ T7092] el0t_64_sync_handler+0xcc/0xe4 [ 226.046389][ T7092] el0t_64_sync+0x1a0/0x1a4 [ 226.047587][ T7092] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.049839][ T7092] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.234447][ T7095] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.235725][ T7095] CPU: 0 PID: 7095 Comm: syz.1.663 Not tainted syzkaller #0 [ 226.236879][ T7095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.238363][ T7095] Call trace: [ 226.238818][ T7095] dump_backtrace+0x0/0x458 [ 226.239488][ T7095] show_stack+0x2c/0x3c [ 226.240088][ T7095] __dump_stack+0x30/0x40 [ 226.240723][ T7095] dump_stack_lvl+0xf4/0x15c [ 226.241428][ T7095] dump_stack+0x1c/0x5c [ 226.242099][ T7095] sysfs_create_dir_ns+0x244/0x264 [ 226.242876][ T7095] kobject_add_internal+0x5ac/0xc3c [ 226.243642][ T7095] kobject_init_and_add+0x124/0x190 [ 226.244403][ T7095] gfs2_sys_fs_add+0x200/0x41c [ 226.245128][ T7095] gfs2_fill_super+0xddc/0x1a18 [ 226.245858][ T7095] get_tree_bdev+0x358/0x544 [ 226.246563][ T7095] gfs2_get_tree+0x54/0x1b4 [ 226.247228][ T7095] vfs_get_tree+0x90/0x274 [ 226.247918][ T7095] do_new_mount+0x228/0x810 [ 226.248579][ T7095] path_mount+0x5bc/0x1008 [ 226.249299][ T7095] __arm64_sys_mount+0x514/0x5f0 [ 226.250026][ T7095] invoke_syscall+0x98/0x2b0 [ 226.250713][ T7095] el0_svc_common+0x138/0x258 [ 226.251425][ T7095] do_el0_svc+0x58/0x13c [ 226.252045][ T7095] el0_svc+0x78/0x1d0 [ 226.252653][ T7095] el0t_64_sync_handler+0xcc/0xe4 [ 226.253444][ T7095] el0t_64_sync+0x1a0/0x1a4 [ 226.254924][ T7095] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.257150][ T7095] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.434500][ T7098] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.435741][ T7098] CPU: 1 PID: 7098 Comm: syz.1.664 Not tainted syzkaller #0 [ 226.436933][ T7098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.438576][ T7098] Call trace: [ 226.439041][ T7098] dump_backtrace+0x0/0x458 [ 226.439769][ T7098] show_stack+0x2c/0x3c [ 226.440508][ T7098] __dump_stack+0x30/0x40 [ 226.441191][ T7098] dump_stack_lvl+0xf4/0x15c [ 226.441886][ T7098] dump_stack+0x1c/0x5c [ 226.442543][ T7098] sysfs_create_dir_ns+0x244/0x264 [ 226.443319][ T7098] kobject_add_internal+0x5ac/0xc3c [ 226.444175][ T7098] kobject_init_and_add+0x124/0x190 [ 226.444957][ T7098] gfs2_sys_fs_add+0x200/0x41c [ 226.445730][ T7098] gfs2_fill_super+0xddc/0x1a18 [ 226.446497][ T7098] get_tree_bdev+0x358/0x544 [ 226.447222][ T7098] gfs2_get_tree+0x54/0x1b4 [ 226.447875][ T7098] vfs_get_tree+0x90/0x274 [ 226.448507][ T7098] do_new_mount+0x228/0x810 [ 226.449252][ T7098] path_mount+0x5bc/0x1008 [ 226.449921][ T7098] __arm64_sys_mount+0x514/0x5f0 [ 226.450717][ T7098] invoke_syscall+0x98/0x2b0 [ 226.451377][ T7098] el0_svc_common+0x138/0x258 [ 226.452101][ T7098] do_el0_svc+0x58/0x13c [ 226.452731][ T7098] el0_svc+0x78/0x1d0 [ 226.453399][ T7098] el0t_64_sync_handler+0xcc/0xe4 [ 226.454194][ T7098] el0t_64_sync+0x1a0/0x1a4 [ 226.456374][ T7098] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.458565][ T7098] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.634875][ T7101] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.636132][ T7101] CPU: 0 PID: 7101 Comm: syz.1.665 Not tainted syzkaller #0 [ 226.637267][ T7101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.638778][ T7101] Call trace: [ 226.639229][ T7101] dump_backtrace+0x0/0x458 [ 226.639930][ T7101] show_stack+0x2c/0x3c [ 226.640526][ T7101] __dump_stack+0x30/0x40 [ 226.641190][ T7101] dump_stack_lvl+0xf4/0x15c [ 226.641859][ T7101] dump_stack+0x1c/0x5c [ 226.642442][ T7101] sysfs_create_dir_ns+0x244/0x264 [ 226.643195][ T7101] kobject_add_internal+0x5ac/0xc3c [ 226.644020][ T7101] kobject_init_and_add+0x124/0x190 [ 226.644779][ T7101] gfs2_sys_fs_add+0x200/0x41c [ 226.645530][ T7101] gfs2_fill_super+0xddc/0x1a18 [ 226.646260][ T7101] get_tree_bdev+0x358/0x544 [ 226.647030][ T7101] gfs2_get_tree+0x54/0x1b4 [ 226.647789][ T7101] vfs_get_tree+0x90/0x274 [ 226.648433][ T7101] do_new_mount+0x228/0x810 [ 226.649144][ T7101] path_mount+0x5bc/0x1008 [ 226.649872][ T7101] __arm64_sys_mount+0x514/0x5f0 [ 226.650680][ T7101] invoke_syscall+0x98/0x2b0 [ 226.651427][ T7101] el0_svc_common+0x138/0x258 [ 226.652145][ T7101] do_el0_svc+0x58/0x13c [ 226.652745][ T7101] el0_svc+0x78/0x1d0 [ 226.653345][ T7101] el0t_64_sync_handler+0xcc/0xe4 [ 226.654109][ T7101] el0t_64_sync+0x1a0/0x1a4 [ 226.655443][ T7101] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.657483][ T7101] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 226.934440][ T7104] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 226.935770][ T7104] CPU: 0 PID: 7104 Comm: syz.1.666 Not tainted syzkaller #0 [ 226.936980][ T7104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.938476][ T7104] Call trace: [ 226.939000][ T7104] dump_backtrace+0x0/0x458 [ 226.939700][ T7104] show_stack+0x2c/0x3c [ 226.940319][ T7104] __dump_stack+0x30/0x40 [ 226.941014][ T7104] dump_stack_lvl+0xf4/0x15c [ 226.941752][ T7104] dump_stack+0x1c/0x5c [ 226.942407][ T7104] sysfs_create_dir_ns+0x244/0x264 [ 226.943193][ T7104] kobject_add_internal+0x5ac/0xc3c [ 226.944030][ T7104] kobject_init_and_add+0x124/0x190 [ 226.944842][ T7104] gfs2_sys_fs_add+0x200/0x41c [ 226.945575][ T7104] gfs2_fill_super+0xddc/0x1a18 [ 226.946296][ T7104] get_tree_bdev+0x358/0x544 [ 226.947020][ T7104] gfs2_get_tree+0x54/0x1b4 [ 226.947723][ T7104] vfs_get_tree+0x90/0x274 [ 226.948419][ T7104] do_new_mount+0x228/0x810 [ 226.949074][ T7104] path_mount+0x5bc/0x1008 [ 226.949816][ T7104] __arm64_sys_mount+0x514/0x5f0 [ 226.950666][ T7104] invoke_syscall+0x98/0x2b0 [ 226.951393][ T7104] el0_svc_common+0x138/0x258 [ 226.952149][ T7104] do_el0_svc+0x58/0x13c [ 226.952847][ T7104] el0_svc+0x78/0x1d0 [ 226.953468][ T7104] el0t_64_sync_handler+0xcc/0xe4 [ 226.954237][ T7104] el0t_64_sync+0x1a0/0x1a4 [ 226.956595][ T7104] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 226.958578][ T7104] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.088010][ T7107] set_capacity_and_notify: 15 callbacks suppressed [ 227.088021][ T7107] loop1: detected capacity change from 0 to 32768 [ 227.167849][ T7107] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.169103][ T7107] CPU: 0 PID: 7107 Comm: syz.1.667 Not tainted syzkaller #0 [ 227.170184][ T7107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.171725][ T7107] Call trace: [ 227.172222][ T7107] dump_backtrace+0x0/0x458 [ 227.172883][ T7107] show_stack+0x2c/0x3c [ 227.173514][ T7107] __dump_stack+0x30/0x40 [ 227.174133][ T7107] dump_stack_lvl+0xf4/0x15c [ 227.174849][ T7107] dump_stack+0x1c/0x5c [ 227.175459][ T7107] sysfs_create_dir_ns+0x244/0x264 [ 227.176222][ T7107] kobject_add_internal+0x5ac/0xc3c [ 227.177001][ T7107] kobject_init_and_add+0x124/0x190 [ 227.177736][ T7107] gfs2_sys_fs_add+0x200/0x41c [ 227.178495][ T7107] gfs2_fill_super+0xddc/0x1a18 [ 227.179227][ T7107] get_tree_bdev+0x358/0x544 [ 227.179943][ T7107] gfs2_get_tree+0x54/0x1b4 [ 227.180662][ T7107] vfs_get_tree+0x90/0x274 [ 227.181357][ T7107] do_new_mount+0x228/0x810 [ 227.182038][ T7107] path_mount+0x5bc/0x1008 [ 227.182715][ T7107] __arm64_sys_mount+0x514/0x5f0 [ 227.183470][ T7107] invoke_syscall+0x98/0x2b0 [ 227.184236][ T7107] el0_svc_common+0x138/0x258 [ 227.184967][ T7107] do_el0_svc+0x58/0x13c [ 227.185618][ T7107] el0_svc+0x78/0x1d0 [ 227.186169][ T7107] el0t_64_sync_handler+0xcc/0xe4 [ 227.186945][ T7107] el0t_64_sync+0x1a0/0x1a4 [ 227.189119][ T7107] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.191292][ T7107] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.329642][ T7110] loop1: detected capacity change from 0 to 32768 [ 227.364420][ T7110] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.365776][ T7110] CPU: 1 PID: 7110 Comm: syz.1.668 Not tainted syzkaller #0 [ 227.366926][ T7110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.368386][ T7110] Call trace: [ 227.368865][ T7110] dump_backtrace+0x0/0x458 [ 227.369536][ T7110] show_stack+0x2c/0x3c [ 227.370198][ T7110] __dump_stack+0x30/0x40 [ 227.370861][ T7110] dump_stack_lvl+0xf4/0x15c [ 227.371568][ T7110] dump_stack+0x1c/0x5c [ 227.372211][ T7110] sysfs_create_dir_ns+0x244/0x264 [ 227.372997][ T7110] kobject_add_internal+0x5ac/0xc3c [ 227.373831][ T7110] kobject_init_and_add+0x124/0x190 [ 227.374595][ T7110] gfs2_sys_fs_add+0x200/0x41c [ 227.375294][ T7110] gfs2_fill_super+0xddc/0x1a18 [ 227.376115][ T7110] get_tree_bdev+0x358/0x544 [ 227.376817][ T7110] gfs2_get_tree+0x54/0x1b4 [ 227.377553][ T7110] vfs_get_tree+0x90/0x274 [ 227.378222][ T7110] do_new_mount+0x228/0x810 [ 227.378920][ T7110] path_mount+0x5bc/0x1008 [ 227.379630][ T7110] __arm64_sys_mount+0x514/0x5f0 [ 227.380395][ T7110] invoke_syscall+0x98/0x2b0 [ 227.381106][ T7110] el0_svc_common+0x138/0x258 [ 227.381852][ T7110] do_el0_svc+0x58/0x13c [ 227.382512][ T7110] el0_svc+0x78/0x1d0 [ 227.383144][ T7110] el0t_64_sync_handler+0xcc/0xe4 [ 227.383922][ T7110] el0t_64_sync+0x1a0/0x1a4 [ 227.384873][ T7110] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.386985][ T7110] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:47 executed programs: 655 [ 227.521866][ T7113] loop1: detected capacity change from 0 to 32768 [ 227.634229][ T7113] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.635489][ T7113] CPU: 0 PID: 7113 Comm: syz.1.669 Not tainted syzkaller #0 [ 227.636585][ T7113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.638037][ T7113] Call trace: [ 227.638512][ T7113] dump_backtrace+0x0/0x458 [ 227.639209][ T7113] show_stack+0x2c/0x3c [ 227.639806][ T7113] __dump_stack+0x30/0x40 [ 227.640453][ T7113] dump_stack_lvl+0xf4/0x15c [ 227.641165][ T7113] dump_stack+0x1c/0x5c [ 227.641780][ T7113] sysfs_create_dir_ns+0x244/0x264 [ 227.642500][ T7113] kobject_add_internal+0x5ac/0xc3c [ 227.643233][ T7113] kobject_init_and_add+0x124/0x190 [ 227.643962][ T7113] gfs2_sys_fs_add+0x200/0x41c [ 227.644685][ T7113] gfs2_fill_super+0xddc/0x1a18 [ 227.645399][ T7113] get_tree_bdev+0x358/0x544 [ 227.646115][ T7113] gfs2_get_tree+0x54/0x1b4 [ 227.646771][ T7113] vfs_get_tree+0x90/0x274 [ 227.647412][ T7113] do_new_mount+0x228/0x810 [ 227.648073][ T7113] path_mount+0x5bc/0x1008 [ 227.648720][ T7113] __arm64_sys_mount+0x514/0x5f0 [ 227.649467][ T7113] invoke_syscall+0x98/0x2b0 [ 227.650139][ T7113] el0_svc_common+0x138/0x258 [ 227.650831][ T7113] do_el0_svc+0x58/0x13c [ 227.651432][ T7113] el0_svc+0x78/0x1d0 [ 227.651980][ T7113] el0t_64_sync_handler+0xcc/0xe4 [ 227.652738][ T7113] el0t_64_sync+0x1a0/0x1a4 [ 227.654826][ T7113] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.656877][ T7113] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 227.787199][ T7116] loop1: detected capacity change from 0 to 32768 [ 227.868213][ T7116] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 227.869532][ T7116] CPU: 0 PID: 7116 Comm: syz.1.670 Not tainted syzkaller #0 [ 227.870679][ T7116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.872271][ T7116] Call trace: [ 227.872766][ T7116] dump_backtrace+0x0/0x458 [ 227.873567][ T7116] show_stack+0x2c/0x3c [ 227.874222][ T7116] __dump_stack+0x30/0x40 [ 227.874868][ T7116] dump_stack_lvl+0xf4/0x15c [ 227.875552][ T7116] dump_stack+0x1c/0x5c [ 227.876175][ T7116] sysfs_create_dir_ns+0x244/0x264 [ 227.876969][ T7116] kobject_add_internal+0x5ac/0xc3c [ 227.877767][ T7116] kobject_init_and_add+0x124/0x190 [ 227.878547][ T7116] gfs2_sys_fs_add+0x200/0x41c [ 227.879259][ T7116] gfs2_fill_super+0xddc/0x1a18 [ 227.880027][ T7116] get_tree_bdev+0x358/0x544 [ 227.880719][ T7116] gfs2_get_tree+0x54/0x1b4 [ 227.881414][ T7116] vfs_get_tree+0x90/0x274 [ 227.882039][ T7116] do_new_mount+0x228/0x810 [ 227.882689][ T7116] path_mount+0x5bc/0x1008 [ 227.883356][ T7116] __arm64_sys_mount+0x514/0x5f0 [ 227.884102][ T7116] invoke_syscall+0x98/0x2b0 [ 227.884782][ T7116] el0_svc_common+0x138/0x258 [ 227.885435][ T7116] do_el0_svc+0x58/0x13c [ 227.886031][ T7116] el0_svc+0x78/0x1d0 [ 227.886616][ T7116] el0t_64_sync_handler+0xcc/0xe4 [ 227.887343][ T7116] el0t_64_sync+0x1a0/0x1a4 [ 227.889677][ T7116] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 227.891818][ T7116] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.026686][ T7119] loop1: detected capacity change from 0 to 32768 [ 228.029922][ T7119] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.031190][ T7119] CPU: 0 PID: 7119 Comm: syz.1.671 Not tainted syzkaller #0 [ 228.032337][ T7119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.033910][ T7119] Call trace: [ 228.034439][ T7119] dump_backtrace+0x0/0x458 [ 228.035141][ T7119] show_stack+0x2c/0x3c [ 228.035767][ T7119] __dump_stack+0x30/0x40 [ 228.036449][ T7119] dump_stack_lvl+0xf4/0x15c [ 228.037200][ T7119] dump_stack+0x1c/0x5c [ 228.037794][ T7119] sysfs_create_dir_ns+0x244/0x264 [ 228.038602][ T7119] kobject_add_internal+0x5ac/0xc3c [ 228.039371][ T7119] kobject_init_and_add+0x124/0x190 [ 228.040178][ T7119] gfs2_sys_fs_add+0x200/0x41c [ 228.040911][ T7119] gfs2_fill_super+0xddc/0x1a18 [ 228.041657][ T7119] get_tree_bdev+0x358/0x544 [ 228.042371][ T7119] gfs2_get_tree+0x54/0x1b4 [ 228.043092][ T7119] vfs_get_tree+0x90/0x274 [ 228.043761][ T7119] do_new_mount+0x228/0x810 [ 228.044403][ T7119] path_mount+0x5bc/0x1008 [ 228.045014][ T7119] __arm64_sys_mount+0x514/0x5f0 [ 228.045753][ T7119] invoke_syscall+0x98/0x2b0 [ 228.046394][ T7119] el0_svc_common+0x138/0x258 [ 228.047098][ T7119] do_el0_svc+0x58/0x13c [ 228.047728][ T7119] el0_svc+0x78/0x1d0 [ 228.048326][ T7119] el0t_64_sync_handler+0xcc/0xe4 [ 228.049086][ T7119] el0t_64_sync+0x1a0/0x1a4 [ 228.051320][ T7119] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.053567][ T7119] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.187265][ T7122] loop1: detected capacity change from 0 to 32768 [ 228.194986][ T7122] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.196270][ T7122] CPU: 1 PID: 7122 Comm: syz.1.672 Not tainted syzkaller #0 [ 228.197427][ T7122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.199040][ T7122] Call trace: [ 228.199574][ T7122] dump_backtrace+0x0/0x458 [ 228.200265][ T7122] show_stack+0x2c/0x3c [ 228.200920][ T7122] __dump_stack+0x30/0x40 [ 228.201589][ T7122] dump_stack_lvl+0xf4/0x15c [ 228.202289][ T7122] dump_stack+0x1c/0x5c [ 228.202974][ T7122] sysfs_create_dir_ns+0x244/0x264 [ 228.203779][ T7122] kobject_add_internal+0x5ac/0xc3c [ 228.204562][ T7122] kobject_init_and_add+0x124/0x190 [ 228.205360][ T7122] gfs2_sys_fs_add+0x200/0x41c [ 228.206143][ T7122] gfs2_fill_super+0xddc/0x1a18 [ 228.206910][ T7122] get_tree_bdev+0x358/0x544 [ 228.207609][ T7122] gfs2_get_tree+0x54/0x1b4 [ 228.208318][ T7122] vfs_get_tree+0x90/0x274 [ 228.209014][ T7122] do_new_mount+0x228/0x810 [ 228.209698][ T7122] path_mount+0x5bc/0x1008 [ 228.210442][ T7122] __arm64_sys_mount+0x514/0x5f0 [ 228.211214][ T7122] invoke_syscall+0x98/0x2b0 [ 228.211946][ T7122] el0_svc_common+0x138/0x258 [ 228.212690][ T7122] do_el0_svc+0x58/0x13c [ 228.213314][ T7122] el0_svc+0x78/0x1d0 [ 228.213966][ T7122] el0t_64_sync_handler+0xcc/0xe4 [ 228.214741][ T7122] el0t_64_sync+0x1a0/0x1a4 [ 228.216687][ T7122] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.218637][ T7122] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.352926][ T7125] loop1: detected capacity change from 0 to 32768 [ 228.401204][ T7125] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.402591][ T7125] CPU: 1 PID: 7125 Comm: syz.1.673 Not tainted syzkaller #0 [ 228.403765][ T7125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.405360][ T7125] Call trace: [ 228.405849][ T7125] dump_backtrace+0x0/0x458 [ 228.406525][ T7125] show_stack+0x2c/0x3c [ 228.407189][ T7125] __dump_stack+0x30/0x40 [ 228.407938][ T7125] dump_stack_lvl+0xf4/0x15c [ 228.408626][ T7125] dump_stack+0x1c/0x5c [ 228.409221][ T7125] sysfs_create_dir_ns+0x244/0x264 [ 228.410038][ T7125] kobject_add_internal+0x5ac/0xc3c [ 228.410809][ T7125] kobject_init_and_add+0x124/0x190 [ 228.411622][ T7125] gfs2_sys_fs_add+0x200/0x41c [ 228.412345][ T7125] gfs2_fill_super+0xddc/0x1a18 [ 228.413112][ T7125] get_tree_bdev+0x358/0x544 [ 228.413804][ T7125] gfs2_get_tree+0x54/0x1b4 [ 228.414500][ T7125] vfs_get_tree+0x90/0x274 [ 228.415193][ T7125] do_new_mount+0x228/0x810 [ 228.415894][ T7125] path_mount+0x5bc/0x1008 [ 228.416587][ T7125] __arm64_sys_mount+0x514/0x5f0 [ 228.417345][ T7125] invoke_syscall+0x98/0x2b0 [ 228.418024][ T7125] el0_svc_common+0x138/0x258 [ 228.418732][ T7125] do_el0_svc+0x58/0x13c [ 228.419395][ T7125] el0_svc+0x78/0x1d0 [ 228.419987][ T7125] el0t_64_sync_handler+0xcc/0xe4 [ 228.420782][ T7125] el0t_64_sync+0x1a0/0x1a4 [ 228.422883][ T7125] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.424902][ T7125] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.557956][ T7128] loop1: detected capacity change from 0 to 32768 [ 228.609121][ T7128] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.610364][ T7128] CPU: 1 PID: 7128 Comm: syz.1.674 Not tainted syzkaller #0 [ 228.611553][ T7128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.613164][ T7128] Call trace: [ 228.613693][ T7128] dump_backtrace+0x0/0x458 [ 228.614368][ T7128] show_stack+0x2c/0x3c [ 228.615010][ T7128] __dump_stack+0x30/0x40 [ 228.615648][ T7128] dump_stack_lvl+0xf4/0x15c [ 228.616428][ T7128] dump_stack+0x1c/0x5c [ 228.617120][ T7128] sysfs_create_dir_ns+0x244/0x264 [ 228.617900][ T7128] kobject_add_internal+0x5ac/0xc3c [ 228.618686][ T7128] kobject_init_and_add+0x124/0x190 [ 228.619490][ T7128] gfs2_sys_fs_add+0x200/0x41c [ 228.620242][ T7128] gfs2_fill_super+0xddc/0x1a18 [ 228.621003][ T7128] get_tree_bdev+0x358/0x544 [ 228.621736][ T7128] gfs2_get_tree+0x54/0x1b4 [ 228.622392][ T7128] vfs_get_tree+0x90/0x274 [ 228.623069][ T7128] do_new_mount+0x228/0x810 [ 228.623723][ T7128] path_mount+0x5bc/0x1008 [ 228.624406][ T7128] __arm64_sys_mount+0x514/0x5f0 [ 228.625292][ T7128] invoke_syscall+0x98/0x2b0 [ 228.626093][ T7128] el0_svc_common+0x138/0x258 [ 228.626852][ T7128] do_el0_svc+0x58/0x13c [ 228.627510][ T7128] el0_svc+0x78/0x1d0 [ 228.628190][ T7128] el0t_64_sync_handler+0xcc/0xe4 [ 228.628961][ T7128] el0t_64_sync+0x1a0/0x1a4 [ 228.631030][ T7128] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.633080][ T7128] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.766679][ T7131] loop1: detected capacity change from 0 to 32768 [ 228.808673][ T7131] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.809962][ T7131] CPU: 1 PID: 7131 Comm: syz.1.675 Not tainted syzkaller #0 [ 228.811063][ T7131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.812512][ T7131] Call trace: [ 228.813018][ T7131] dump_backtrace+0x0/0x458 [ 228.813729][ T7131] show_stack+0x2c/0x3c [ 228.814344][ T7131] __dump_stack+0x30/0x40 [ 228.815015][ T7131] dump_stack_lvl+0xf4/0x15c [ 228.815744][ T7131] dump_stack+0x1c/0x5c [ 228.816349][ T7131] sysfs_create_dir_ns+0x244/0x264 [ 228.817147][ T7131] kobject_add_internal+0x5ac/0xc3c [ 228.817969][ T7131] kobject_init_and_add+0x124/0x190 [ 228.818718][ T7131] gfs2_sys_fs_add+0x200/0x41c [ 228.819452][ T7131] gfs2_fill_super+0xddc/0x1a18 [ 228.820165][ T7131] get_tree_bdev+0x358/0x544 [ 228.820869][ T7131] gfs2_get_tree+0x54/0x1b4 [ 228.821557][ T7131] vfs_get_tree+0x90/0x274 [ 228.822223][ T7131] do_new_mount+0x228/0x810 [ 228.822883][ T7131] path_mount+0x5bc/0x1008 [ 228.823556][ T7131] __arm64_sys_mount+0x514/0x5f0 [ 228.824305][ T7131] invoke_syscall+0x98/0x2b0 [ 228.825029][ T7131] el0_svc_common+0x138/0x258 [ 228.825755][ T7131] do_el0_svc+0x58/0x13c [ 228.826398][ T7131] el0_svc+0x78/0x1d0 [ 228.826975][ T7131] el0t_64_sync_handler+0xcc/0xe4 [ 228.827763][ T7131] el0t_64_sync+0x1a0/0x1a4 [ 228.829290][ T7131] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 228.831407][ T7131] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 228.961410][ T7134] loop1: detected capacity change from 0 to 32768 [ 228.994566][ T7134] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 228.997196][ T7134] CPU: 1 PID: 7134 Comm: syz.1.676 Not tainted syzkaller #0 [ 228.998431][ T7134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.000116][ T7134] Call trace: [ 229.000612][ T7134] dump_backtrace+0x0/0x458 [ 229.001330][ T7134] show_stack+0x2c/0x3c [ 229.001975][ T7134] __dump_stack+0x30/0x40 [ 229.002626][ T7134] dump_stack_lvl+0xf4/0x15c [ 229.003327][ T7134] dump_stack+0x1c/0x5c [ 229.003990][ T7134] sysfs_create_dir_ns+0x244/0x264 [ 229.004789][ T7134] kobject_add_internal+0x5ac/0xc3c [ 229.005616][ T7134] kobject_init_and_add+0x124/0x190 [ 229.006431][ T7134] gfs2_sys_fs_add+0x200/0x41c [ 229.007152][ T7134] gfs2_fill_super+0xddc/0x1a18 [ 229.007830][ T7134] get_tree_bdev+0x358/0x544 [ 229.008517][ T7134] gfs2_get_tree+0x54/0x1b4 [ 229.009191][ T7134] vfs_get_tree+0x90/0x274 [ 229.009770][ T7134] do_new_mount+0x228/0x810 [ 229.010433][ T7134] path_mount+0x5bc/0x1008 [ 229.011117][ T7134] __arm64_sys_mount+0x514/0x5f0 [ 229.011895][ T7134] invoke_syscall+0x98/0x2b0 [ 229.012581][ T7134] el0_svc_common+0x138/0x258 [ 229.013306][ T7134] do_el0_svc+0x58/0x13c [ 229.013989][ T7134] el0_svc+0x78/0x1d0 [ 229.014663][ T7134] el0t_64_sync_handler+0xcc/0xe4 [ 229.015431][ T7134] el0t_64_sync+0x1a0/0x1a4 [ 229.017579][ T7134] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.019568][ T7134] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.194871][ T7137] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.196092][ T7137] CPU: 1 PID: 7137 Comm: syz.1.677 Not tainted syzkaller #0 [ 229.197241][ T7137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.198837][ T7137] Call trace: [ 229.199313][ T7137] dump_backtrace+0x0/0x458 [ 229.200019][ T7137] show_stack+0x2c/0x3c [ 229.200618][ T7137] __dump_stack+0x30/0x40 [ 229.201239][ T7137] dump_stack_lvl+0xf4/0x15c [ 229.201919][ T7137] dump_stack+0x1c/0x5c [ 229.202571][ T7137] sysfs_create_dir_ns+0x244/0x264 [ 229.203364][ T7137] kobject_add_internal+0x5ac/0xc3c [ 229.204158][ T7137] kobject_init_and_add+0x124/0x190 [ 229.204957][ T7137] gfs2_sys_fs_add+0x200/0x41c [ 229.205668][ T7137] gfs2_fill_super+0xddc/0x1a18 [ 229.206383][ T7137] get_tree_bdev+0x358/0x544 [ 229.207159][ T7137] gfs2_get_tree+0x54/0x1b4 [ 229.207910][ T7137] vfs_get_tree+0x90/0x274 [ 229.208553][ T7137] do_new_mount+0x228/0x810 [ 229.209189][ T7137] path_mount+0x5bc/0x1008 [ 229.209884][ T7137] __arm64_sys_mount+0x514/0x5f0 [ 229.210720][ T7137] invoke_syscall+0x98/0x2b0 [ 229.211423][ T7137] el0_svc_common+0x138/0x258 [ 229.212100][ T7137] do_el0_svc+0x58/0x13c [ 229.212720][ T7137] el0_svc+0x78/0x1d0 [ 229.213293][ T7137] el0t_64_sync_handler+0xcc/0xe4 [ 229.214104][ T7137] el0t_64_sync+0x1a0/0x1a4 [ 229.216179][ T7137] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.218311][ T7137] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.359839][ T7140] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.361146][ T7140] CPU: 0 PID: 7140 Comm: syz.1.678 Not tainted syzkaller #0 [ 229.362334][ T7140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.363861][ T7140] Call trace: [ 229.364366][ T7140] dump_backtrace+0x0/0x458 [ 229.365129][ T7140] show_stack+0x2c/0x3c [ 229.365800][ T7140] __dump_stack+0x30/0x40 [ 229.366508][ T7140] dump_stack_lvl+0xf4/0x15c [ 229.367193][ T7140] dump_stack+0x1c/0x5c [ 229.367837][ T7140] sysfs_create_dir_ns+0x244/0x264 [ 229.368693][ T7140] kobject_add_internal+0x5ac/0xc3c [ 229.369492][ T7140] kobject_init_and_add+0x124/0x190 [ 229.370260][ T7140] gfs2_sys_fs_add+0x200/0x41c [ 229.370969][ T7140] gfs2_fill_super+0xddc/0x1a18 [ 229.371718][ T7140] get_tree_bdev+0x358/0x544 [ 229.372450][ T7140] gfs2_get_tree+0x54/0x1b4 [ 229.373162][ T7140] vfs_get_tree+0x90/0x274 [ 229.373857][ T7140] do_new_mount+0x228/0x810 [ 229.374509][ T7140] path_mount+0x5bc/0x1008 [ 229.375233][ T7140] __arm64_sys_mount+0x514/0x5f0 [ 229.376002][ T7140] invoke_syscall+0x98/0x2b0 [ 229.376673][ T7140] el0_svc_common+0x138/0x258 [ 229.377392][ T7140] do_el0_svc+0x58/0x13c [ 229.378015][ T7140] el0_svc+0x78/0x1d0 [ 229.378611][ T7140] el0t_64_sync_handler+0xcc/0xe4 [ 229.379397][ T7140] el0t_64_sync+0x1a0/0x1a4 [ 229.380904][ T7140] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.383042][ T7140] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.544466][ T7143] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.545689][ T7143] CPU: 0 PID: 7143 Comm: syz.1.679 Not tainted syzkaller #0 [ 229.546767][ T7143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.548290][ T7143] Call trace: [ 229.548743][ T7143] dump_backtrace+0x0/0x458 [ 229.549396][ T7143] show_stack+0x2c/0x3c [ 229.550026][ T7143] __dump_stack+0x30/0x40 [ 229.550755][ T7143] dump_stack_lvl+0xf4/0x15c [ 229.551433][ T7143] dump_stack+0x1c/0x5c [ 229.552041][ T7143] sysfs_create_dir_ns+0x244/0x264 [ 229.552960][ T7143] kobject_add_internal+0x5ac/0xc3c [ 229.553705][ T7143] kobject_init_and_add+0x124/0x190 [ 229.554480][ T7143] gfs2_sys_fs_add+0x200/0x41c [ 229.555184][ T7143] gfs2_fill_super+0xddc/0x1a18 [ 229.555904][ T7143] get_tree_bdev+0x358/0x544 [ 229.556639][ T7143] gfs2_get_tree+0x54/0x1b4 [ 229.557307][ T7143] vfs_get_tree+0x90/0x274 [ 229.557995][ T7143] do_new_mount+0x228/0x810 [ 229.558643][ T7143] path_mount+0x5bc/0x1008 [ 229.559317][ T7143] __arm64_sys_mount+0x514/0x5f0 [ 229.560105][ T7143] invoke_syscall+0x98/0x2b0 [ 229.560850][ T7143] el0_svc_common+0x138/0x258 [ 229.561581][ T7143] do_el0_svc+0x58/0x13c [ 229.562231][ T7143] el0_svc+0x78/0x1d0 [ 229.562818][ T7143] el0t_64_sync_handler+0xcc/0xe4 [ 229.563581][ T7143] el0t_64_sync+0x1a0/0x1a4 [ 229.564988][ T7143] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.567011][ T7143] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.713976][ T7146] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.715309][ T7146] CPU: 1 PID: 7146 Comm: syz.1.680 Not tainted syzkaller #0 [ 229.716403][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.718049][ T7146] Call trace: [ 229.718534][ T7146] dump_backtrace+0x0/0x458 [ 229.719229][ T7146] show_stack+0x2c/0x3c [ 229.719867][ T7146] __dump_stack+0x30/0x40 [ 229.720512][ T7146] dump_stack_lvl+0xf4/0x15c [ 229.721209][ T7146] dump_stack+0x1c/0x5c [ 229.721879][ T7146] sysfs_create_dir_ns+0x244/0x264 [ 229.722692][ T7146] kobject_add_internal+0x5ac/0xc3c [ 229.723566][ T7146] kobject_init_and_add+0x124/0x190 [ 229.724365][ T7146] gfs2_sys_fs_add+0x200/0x41c [ 229.725117][ T7146] gfs2_fill_super+0xddc/0x1a18 [ 229.725906][ T7146] get_tree_bdev+0x358/0x544 [ 229.726678][ T7146] gfs2_get_tree+0x54/0x1b4 [ 229.727394][ T7146] vfs_get_tree+0x90/0x274 [ 229.728067][ T7146] do_new_mount+0x228/0x810 [ 229.728837][ T7146] path_mount+0x5bc/0x1008 [ 229.729494][ T7146] __arm64_sys_mount+0x514/0x5f0 [ 229.730263][ T7146] invoke_syscall+0x98/0x2b0 [ 229.731008][ T7146] el0_svc_common+0x138/0x258 [ 229.731733][ T7146] do_el0_svc+0x58/0x13c [ 229.732439][ T7146] el0_svc+0x78/0x1d0 [ 229.733091][ T7146] el0t_64_sync_handler+0xcc/0xe4 [ 229.733854][ T7146] el0t_64_sync+0x1a0/0x1a4 [ 229.735841][ T7146] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.737985][ T7146] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 229.924398][ T7149] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 229.925645][ T7149] CPU: 0 PID: 7149 Comm: syz.1.681 Not tainted syzkaller #0 [ 229.926774][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.928290][ T7149] Call trace: [ 229.928713][ T7149] dump_backtrace+0x0/0x458 [ 229.929355][ T7149] show_stack+0x2c/0x3c [ 229.929930][ T7149] __dump_stack+0x30/0x40 [ 229.930615][ T7149] dump_stack_lvl+0xf4/0x15c [ 229.931355][ T7149] dump_stack+0x1c/0x5c [ 229.931978][ T7149] sysfs_create_dir_ns+0x244/0x264 [ 229.932788][ T7149] kobject_add_internal+0x5ac/0xc3c [ 229.933587][ T7149] kobject_init_and_add+0x124/0x190 [ 229.934372][ T7149] gfs2_sys_fs_add+0x200/0x41c [ 229.935131][ T7149] gfs2_fill_super+0xddc/0x1a18 [ 229.935839][ T7149] get_tree_bdev+0x358/0x544 [ 229.936502][ T7149] gfs2_get_tree+0x54/0x1b4 [ 229.937169][ T7149] vfs_get_tree+0x90/0x274 [ 229.937856][ T7149] do_new_mount+0x228/0x810 [ 229.938526][ T7149] path_mount+0x5bc/0x1008 [ 229.939174][ T7149] __arm64_sys_mount+0x514/0x5f0 [ 229.939970][ T7149] invoke_syscall+0x98/0x2b0 [ 229.940629][ T7149] el0_svc_common+0x138/0x258 [ 229.941280][ T7149] do_el0_svc+0x58/0x13c [ 229.941911][ T7149] el0_svc+0x78/0x1d0 [ 229.942494][ T7149] el0t_64_sync_handler+0xcc/0xe4 [ 229.943301][ T7149] el0t_64_sync+0x1a0/0x1a4 [ 229.944755][ T7149] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 229.946844][ T7149] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.178588][ T7152] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.179816][ T7152] CPU: 0 PID: 7152 Comm: syz.1.682 Not tainted syzkaller #0 [ 230.180938][ T7152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.182437][ T7152] Call trace: [ 230.182911][ T7152] dump_backtrace+0x0/0x458 [ 230.183612][ T7152] show_stack+0x2c/0x3c [ 230.184238][ T7152] __dump_stack+0x30/0x40 [ 230.184962][ T7152] dump_stack_lvl+0xf4/0x15c [ 230.185622][ T7152] dump_stack+0x1c/0x5c [ 230.186192][ T7152] sysfs_create_dir_ns+0x244/0x264 [ 230.186921][ T7152] kobject_add_internal+0x5ac/0xc3c [ 230.187705][ T7152] kobject_init_and_add+0x124/0x190 [ 230.188498][ T7152] gfs2_sys_fs_add+0x200/0x41c [ 230.189228][ T7152] gfs2_fill_super+0xddc/0x1a18 [ 230.189982][ T7152] get_tree_bdev+0x358/0x544 [ 230.190693][ T7152] gfs2_get_tree+0x54/0x1b4 [ 230.191385][ T7152] vfs_get_tree+0x90/0x274 [ 230.192100][ T7152] do_new_mount+0x228/0x810 [ 230.192806][ T7152] path_mount+0x5bc/0x1008 [ 230.193458][ T7152] __arm64_sys_mount+0x514/0x5f0 [ 230.194243][ T7152] invoke_syscall+0x98/0x2b0 [ 230.194912][ T7152] el0_svc_common+0x138/0x258 [ 230.195631][ T7152] do_el0_svc+0x58/0x13c [ 230.196255][ T7152] el0_svc+0x78/0x1d0 [ 230.196952][ T7152] el0t_64_sync_handler+0xcc/0xe4 [ 230.197716][ T7152] el0t_64_sync+0x1a0/0x1a4 [ 230.200653][ T7152] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.202722][ T7152] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.397406][ T7155] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.398663][ T7155] CPU: 0 PID: 7155 Comm: syz.1.683 Not tainted syzkaller #0 [ 230.399697][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.401082][ T7155] Call trace: [ 230.401555][ T7155] dump_backtrace+0x0/0x458 [ 230.402270][ T7155] show_stack+0x2c/0x3c [ 230.402919][ T7155] __dump_stack+0x30/0x40 [ 230.403552][ T7155] dump_stack_lvl+0xf4/0x15c [ 230.404268][ T7155] dump_stack+0x1c/0x5c [ 230.404902][ T7155] sysfs_create_dir_ns+0x244/0x264 [ 230.405621][ T7155] kobject_add_internal+0x5ac/0xc3c [ 230.406420][ T7155] kobject_init_and_add+0x124/0x190 [ 230.407216][ T7155] gfs2_sys_fs_add+0x200/0x41c [ 230.407943][ T7155] gfs2_fill_super+0xddc/0x1a18 [ 230.408745][ T7155] get_tree_bdev+0x358/0x544 [ 230.409459][ T7155] gfs2_get_tree+0x54/0x1b4 [ 230.410194][ T7155] vfs_get_tree+0x90/0x274 [ 230.410845][ T7155] do_new_mount+0x228/0x810 [ 230.411471][ T7155] path_mount+0x5bc/0x1008 [ 230.412102][ T7155] __arm64_sys_mount+0x514/0x5f0 [ 230.412849][ T7155] invoke_syscall+0x98/0x2b0 [ 230.413579][ T7155] el0_svc_common+0x138/0x258 [ 230.414271][ T7155] do_el0_svc+0x58/0x13c [ 230.414890][ T7155] el0_svc+0x78/0x1d0 [ 230.415507][ T7155] el0t_64_sync_handler+0xcc/0xe4 [ 230.416222][ T7155] el0t_64_sync+0x1a0/0x1a4 [ 230.418547][ T7155] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.420708][ T7155] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.594511][ T7158] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.595866][ T7158] CPU: 1 PID: 7158 Comm: syz.1.684 Not tainted syzkaller #0 [ 230.597138][ T7158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.598784][ T7158] Call trace: [ 230.599319][ T7158] dump_backtrace+0x0/0x458 [ 230.600073][ T7158] show_stack+0x2c/0x3c [ 230.600691][ T7158] __dump_stack+0x30/0x40 [ 230.601380][ T7158] dump_stack_lvl+0xf4/0x15c [ 230.602067][ T7158] dump_stack+0x1c/0x5c [ 230.602668][ T7158] sysfs_create_dir_ns+0x244/0x264 [ 230.603480][ T7158] kobject_add_internal+0x5ac/0xc3c [ 230.604306][ T7158] kobject_init_and_add+0x124/0x190 [ 230.605158][ T7158] gfs2_sys_fs_add+0x200/0x41c [ 230.605951][ T7158] gfs2_fill_super+0xddc/0x1a18 [ 230.606719][ T7158] get_tree_bdev+0x358/0x544 [ 230.607416][ T7158] gfs2_get_tree+0x54/0x1b4 [ 230.608195][ T7158] vfs_get_tree+0x90/0x274 [ 230.608860][ T7158] do_new_mount+0x228/0x810 [ 230.609527][ T7158] path_mount+0x5bc/0x1008 [ 230.610201][ T7158] __arm64_sys_mount+0x514/0x5f0 [ 230.610979][ T7158] invoke_syscall+0x98/0x2b0 [ 230.611786][ T7158] el0_svc_common+0x138/0x258 [ 230.612562][ T7158] do_el0_svc+0x58/0x13c [ 230.613239][ T7158] el0_svc+0x78/0x1d0 [ 230.613876][ T7158] el0t_64_sync_handler+0xcc/0xe4 [ 230.614730][ T7158] el0t_64_sync+0x1a0/0x1a4 [ 230.615953][ T7158] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.618082][ T7158] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 230.884453][ T7161] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 230.885617][ T7161] CPU: 0 PID: 7161 Comm: syz.1.685 Not tainted syzkaller #0 [ 230.886755][ T7161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.888195][ T7161] Call trace: [ 230.888638][ T7161] dump_backtrace+0x0/0x458 [ 230.889296][ T7161] show_stack+0x2c/0x3c [ 230.889957][ T7161] __dump_stack+0x30/0x40 [ 230.890595][ T7161] dump_stack_lvl+0xf4/0x15c [ 230.891283][ T7161] dump_stack+0x1c/0x5c [ 230.891917][ T7161] sysfs_create_dir_ns+0x244/0x264 [ 230.892664][ T7161] kobject_add_internal+0x5ac/0xc3c [ 230.893469][ T7161] kobject_init_and_add+0x124/0x190 [ 230.894277][ T7161] gfs2_sys_fs_add+0x200/0x41c [ 230.895034][ T7161] gfs2_fill_super+0xddc/0x1a18 [ 230.895761][ T7161] get_tree_bdev+0x358/0x544 [ 230.896456][ T7161] gfs2_get_tree+0x54/0x1b4 [ 230.897153][ T7161] vfs_get_tree+0x90/0x274 [ 230.897853][ T7161] do_new_mount+0x228/0x810 [ 230.898591][ T7161] path_mount+0x5bc/0x1008 [ 230.899309][ T7161] __arm64_sys_mount+0x514/0x5f0 [ 230.900089][ T7161] invoke_syscall+0x98/0x2b0 [ 230.900798][ T7161] el0_svc_common+0x138/0x258 [ 230.901557][ T7161] do_el0_svc+0x58/0x13c [ 230.902227][ T7161] el0_svc+0x78/0x1d0 [ 230.902816][ T7161] el0t_64_sync_handler+0xcc/0xe4 [ 230.903618][ T7161] el0t_64_sync+0x1a0/0x1a4 [ 230.906548][ T7161] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 230.908688][ T7161] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.049439][ T7164] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.050703][ T7164] CPU: 0 PID: 7164 Comm: syz.1.686 Not tainted syzkaller #0 [ 231.051879][ T7164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.053504][ T7164] Call trace: [ 231.053985][ T7164] dump_backtrace+0x0/0x458 [ 231.054672][ T7164] show_stack+0x2c/0x3c [ 231.055362][ T7164] __dump_stack+0x30/0x40 [ 231.055994][ T7164] dump_stack_lvl+0xf4/0x15c [ 231.056655][ T7164] dump_stack+0x1c/0x5c [ 231.057274][ T7164] sysfs_create_dir_ns+0x244/0x264 [ 231.058002][ T7164] kobject_add_internal+0x5ac/0xc3c [ 231.058809][ T7164] kobject_init_and_add+0x124/0x190 [ 231.059557][ T7164] gfs2_sys_fs_add+0x200/0x41c [ 231.060292][ T7164] gfs2_fill_super+0xddc/0x1a18 [ 231.061072][ T7164] get_tree_bdev+0x358/0x544 [ 231.061803][ T7164] gfs2_get_tree+0x54/0x1b4 [ 231.062482][ T7164] vfs_get_tree+0x90/0x274 [ 231.063143][ T7164] do_new_mount+0x228/0x810 [ 231.063859][ T7164] path_mount+0x5bc/0x1008 [ 231.064542][ T7164] __arm64_sys_mount+0x514/0x5f0 [ 231.065271][ T7164] invoke_syscall+0x98/0x2b0 [ 231.065968][ T7164] el0_svc_common+0x138/0x258 [ 231.066650][ T7164] do_el0_svc+0x58/0x13c [ 231.067321][ T7164] el0_svc+0x78/0x1d0 [ 231.067953][ T7164] el0t_64_sync_handler+0xcc/0xe4 [ 231.068697][ T7164] el0t_64_sync+0x1a0/0x1a4 [ 231.070743][ T7164] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.072669][ T7164] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.249850][ T7167] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.251037][ T7167] CPU: 1 PID: 7167 Comm: syz.1.687 Not tainted syzkaller #0 [ 231.252250][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.253903][ T7167] Call trace: [ 231.254434][ T7167] dump_backtrace+0x0/0x458 [ 231.255117][ T7167] show_stack+0x2c/0x3c [ 231.255722][ T7167] __dump_stack+0x30/0x40 [ 231.256363][ T7167] dump_stack_lvl+0xf4/0x15c [ 231.257001][ T7167] dump_stack+0x1c/0x5c [ 231.257643][ T7167] sysfs_create_dir_ns+0x244/0x264 [ 231.258458][ T7167] kobject_add_internal+0x5ac/0xc3c [ 231.259225][ T7167] kobject_init_and_add+0x124/0x190 [ 231.259968][ T7167] gfs2_sys_fs_add+0x200/0x41c [ 231.260688][ T7167] gfs2_fill_super+0xddc/0x1a18 [ 231.261404][ T7167] get_tree_bdev+0x358/0x544 [ 231.262099][ T7167] gfs2_get_tree+0x54/0x1b4 [ 231.262813][ T7167] vfs_get_tree+0x90/0x274 [ 231.263475][ T7167] do_new_mount+0x228/0x810 [ 231.264211][ T7167] path_mount+0x5bc/0x1008 [ 231.264870][ T7167] __arm64_sys_mount+0x514/0x5f0 [ 231.265710][ T7167] invoke_syscall+0x98/0x2b0 [ 231.266364][ T7167] el0_svc_common+0x138/0x258 [ 231.267107][ T7167] do_el0_svc+0x58/0x13c [ 231.267765][ T7167] el0_svc+0x78/0x1d0 [ 231.268416][ T7167] el0t_64_sync_handler+0xcc/0xe4 [ 231.269222][ T7167] el0t_64_sync+0x1a0/0x1a4 [ 231.271423][ T7167] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.273778][ T7167] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.464529][ T7170] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.465913][ T7170] CPU: 0 PID: 7170 Comm: syz.1.688 Not tainted syzkaller #0 [ 231.467179][ T7170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.468748][ T7170] Call trace: [ 231.469253][ T7170] dump_backtrace+0x0/0x458 [ 231.469953][ T7170] show_stack+0x2c/0x3c [ 231.470572][ T7170] __dump_stack+0x30/0x40 [ 231.471229][ T7170] dump_stack_lvl+0xf4/0x15c [ 231.471944][ T7170] dump_stack+0x1c/0x5c [ 231.472553][ T7170] sysfs_create_dir_ns+0x244/0x264 [ 231.473296][ T7170] kobject_add_internal+0x5ac/0xc3c [ 231.474042][ T7170] kobject_init_and_add+0x124/0x190 [ 231.474761][ T7170] gfs2_sys_fs_add+0x200/0x41c [ 231.475473][ T7170] gfs2_fill_super+0xddc/0x1a18 [ 231.476205][ T7170] get_tree_bdev+0x358/0x544 [ 231.476872][ T7170] gfs2_get_tree+0x54/0x1b4 [ 231.477548][ T7170] vfs_get_tree+0x90/0x274 [ 231.478199][ T7170] do_new_mount+0x228/0x810 [ 231.478872][ T7170] path_mount+0x5bc/0x1008 [ 231.479508][ T7170] __arm64_sys_mount+0x514/0x5f0 [ 231.480278][ T7170] invoke_syscall+0x98/0x2b0 [ 231.480980][ T7170] el0_svc_common+0x138/0x258 [ 231.481655][ T7170] do_el0_svc+0x58/0x13c [ 231.482308][ T7170] el0_svc+0x78/0x1d0 [ 231.482947][ T7170] el0t_64_sync_handler+0xcc/0xe4 [ 231.483769][ T7170] el0t_64_sync+0x1a0/0x1a4 [ 231.485854][ T7170] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.487902][ T7170] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.677659][ T7173] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.678957][ T7173] CPU: 0 PID: 7173 Comm: syz.1.689 Not tainted syzkaller #0 [ 231.680070][ T7173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.681588][ T7173] Call trace: [ 231.682116][ T7173] dump_backtrace+0x0/0x458 [ 231.682836][ T7173] show_stack+0x2c/0x3c [ 231.683519][ T7173] __dump_stack+0x30/0x40 [ 231.684215][ T7173] dump_stack_lvl+0xf4/0x15c [ 231.684892][ T7173] dump_stack+0x1c/0x5c [ 231.685587][ T7173] sysfs_create_dir_ns+0x244/0x264 [ 231.686408][ T7173] kobject_add_internal+0x5ac/0xc3c [ 231.687225][ T7173] kobject_init_and_add+0x124/0x190 [ 231.688052][ T7173] gfs2_sys_fs_add+0x200/0x41c [ 231.688756][ T7173] gfs2_fill_super+0xddc/0x1a18 [ 231.689465][ T7173] get_tree_bdev+0x358/0x544 [ 231.690113][ T7173] gfs2_get_tree+0x54/0x1b4 [ 231.690790][ T7173] vfs_get_tree+0x90/0x274 [ 231.691429][ T7173] do_new_mount+0x228/0x810 [ 231.692094][ T7173] path_mount+0x5bc/0x1008 [ 231.692760][ T7173] __arm64_sys_mount+0x514/0x5f0 [ 231.693468][ T7173] invoke_syscall+0x98/0x2b0 [ 231.694143][ T7173] el0_svc_common+0x138/0x258 [ 231.694880][ T7173] do_el0_svc+0x58/0x13c [ 231.695495][ T7173] el0_svc+0x78/0x1d0 [ 231.696114][ T7173] el0t_64_sync_handler+0xcc/0xe4 [ 231.696893][ T7173] el0t_64_sync+0x1a0/0x1a4 [ 231.698912][ T7173] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.701092][ T7173] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 231.883272][ T7176] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 231.884549][ T7176] CPU: 0 PID: 7176 Comm: syz.1.690 Not tainted syzkaller #0 [ 231.885661][ T7176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.887298][ T7176] Call trace: [ 231.887831][ T7176] dump_backtrace+0x0/0x458 [ 231.888592][ T7176] show_stack+0x2c/0x3c [ 231.889269][ T7176] __dump_stack+0x30/0x40 [ 231.889944][ T7176] dump_stack_lvl+0xf4/0x15c [ 231.890598][ T7176] dump_stack+0x1c/0x5c [ 231.891235][ T7176] sysfs_create_dir_ns+0x244/0x264 [ 231.891988][ T7176] kobject_add_internal+0x5ac/0xc3c [ 231.892733][ T7176] kobject_init_and_add+0x124/0x190 [ 231.893528][ T7176] gfs2_sys_fs_add+0x200/0x41c [ 231.894298][ T7176] gfs2_fill_super+0xddc/0x1a18 [ 231.894992][ T7176] get_tree_bdev+0x358/0x544 [ 231.895698][ T7176] gfs2_get_tree+0x54/0x1b4 [ 231.896364][ T7176] vfs_get_tree+0x90/0x274 [ 231.897029][ T7176] do_new_mount+0x228/0x810 [ 231.897738][ T7176] path_mount+0x5bc/0x1008 [ 231.898368][ T7176] __arm64_sys_mount+0x514/0x5f0 [ 231.899050][ T7176] invoke_syscall+0x98/0x2b0 [ 231.899700][ T7176] el0_svc_common+0x138/0x258 [ 231.900399][ T7176] do_el0_svc+0x58/0x13c [ 231.901073][ T7176] el0_svc+0x78/0x1d0 [ 231.901691][ T7176] el0t_64_sync_handler+0xcc/0xe4 [ 231.902435][ T7176] el0t_64_sync+0x1a0/0x1a4 [ 231.904918][ T7176] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 231.907035][ T7176] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.074421][ T7179] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.075745][ T7179] CPU: 1 PID: 7179 Comm: syz.1.691 Not tainted syzkaller #0 [ 232.076945][ T7179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.078453][ T7179] Call trace: [ 232.078943][ T7179] dump_backtrace+0x0/0x458 [ 232.079582][ T7179] show_stack+0x2c/0x3c [ 232.080172][ T7179] __dump_stack+0x30/0x40 [ 232.080799][ T7179] dump_stack_lvl+0xf4/0x15c [ 232.081514][ T7179] dump_stack+0x1c/0x5c [ 232.082165][ T7179] sysfs_create_dir_ns+0x244/0x264 [ 232.082900][ T7179] kobject_add_internal+0x5ac/0xc3c [ 232.083689][ T7179] kobject_init_and_add+0x124/0x190 [ 232.084519][ T7179] gfs2_sys_fs_add+0x200/0x41c [ 232.085283][ T7179] gfs2_fill_super+0xddc/0x1a18 [ 232.086039][ T7179] get_tree_bdev+0x358/0x544 [ 232.086715][ T7179] gfs2_get_tree+0x54/0x1b4 [ 232.087350][ T7179] vfs_get_tree+0x90/0x274 [ 232.088021][ T7179] do_new_mount+0x228/0x810 [ 232.088701][ T7179] path_mount+0x5bc/0x1008 [ 232.089381][ T7179] __arm64_sys_mount+0x514/0x5f0 [ 232.090066][ T7179] invoke_syscall+0x98/0x2b0 [ 232.090745][ T7179] el0_svc_common+0x138/0x258 [ 232.091482][ T7179] do_el0_svc+0x58/0x13c [ 232.092072][ T7179] el0_svc+0x78/0x1d0 [ 232.092710][ T7179] el0t_64_sync_handler+0xcc/0xe4 [ 232.093460][ T7179] el0t_64_sync+0x1a0/0x1a4 [ 232.095669][ T7179] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.097881][ T7179] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.228709][ T7182] set_capacity_and_notify: 15 callbacks suppressed [ 232.228719][ T7182] loop1: detected capacity change from 0 to 32768 [ 232.308915][ T7182] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.310128][ T7182] CPU: 1 PID: 7182 Comm: syz.1.692 Not tainted syzkaller #0 [ 232.311242][ T7182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.312819][ T7182] Call trace: [ 232.313329][ T7182] dump_backtrace+0x0/0x458 [ 232.314068][ T7182] show_stack+0x2c/0x3c [ 232.314715][ T7182] __dump_stack+0x30/0x40 [ 232.315416][ T7182] dump_stack_lvl+0xf4/0x15c [ 232.316187][ T7182] dump_stack+0x1c/0x5c [ 232.316923][ T7182] sysfs_create_dir_ns+0x244/0x264 [ 232.317787][ T7182] kobject_add_internal+0x5ac/0xc3c [ 232.318637][ T7182] kobject_init_and_add+0x124/0x190 [ 232.319476][ T7182] gfs2_sys_fs_add+0x200/0x41c [ 232.320240][ T7182] gfs2_fill_super+0xddc/0x1a18 [ 232.321072][ T7182] get_tree_bdev+0x358/0x544 [ 232.321781][ T7182] gfs2_get_tree+0x54/0x1b4 [ 232.322468][ T7182] vfs_get_tree+0x90/0x274 [ 232.323146][ T7182] do_new_mount+0x228/0x810 [ 232.323858][ T7182] path_mount+0x5bc/0x1008 [ 232.324540][ T7182] __arm64_sys_mount+0x514/0x5f0 [ 232.325331][ T7182] invoke_syscall+0x98/0x2b0 [ 232.326071][ T7182] el0_svc_common+0x138/0x258 [ 232.326757][ T7182] do_el0_svc+0x58/0x13c [ 232.327412][ T7182] el0_svc+0x78/0x1d0 [ 232.328033][ T7182] el0t_64_sync_handler+0xcc/0xe4 [ 232.328784][ T7182] el0t_64_sync+0x1a0/0x1a4 [ 232.330889][ T7182] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.333058][ T7182] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.467072][ T7185] loop1: detected capacity change from 0 to 32768 [ 232.474501][ T7185] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.475755][ T7185] CPU: 0 PID: 7185 Comm: syz.1.693 Not tainted syzkaller #0 [ 232.477030][ T7185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.478547][ T7185] Call trace: [ 232.479083][ T7185] dump_backtrace+0x0/0x458 [ 232.479782][ T7185] show_stack+0x2c/0x3c [ 232.480386][ T7185] __dump_stack+0x30/0x40 [ 232.481044][ T7185] dump_stack_lvl+0xf4/0x15c [ 232.481703][ T7185] dump_stack+0x1c/0x5c [ 232.482329][ T7185] sysfs_create_dir_ns+0x244/0x264 [ 232.483113][ T7185] kobject_add_internal+0x5ac/0xc3c [ 232.483892][ T7185] kobject_init_and_add+0x124/0x190 [ 232.484717][ T7185] gfs2_sys_fs_add+0x200/0x41c [ 232.485452][ T7185] gfs2_fill_super+0xddc/0x1a18 [ 232.486278][ T7185] get_tree_bdev+0x358/0x544 [ 232.486972][ T7185] gfs2_get_tree+0x54/0x1b4 [ 232.487597][ T7185] vfs_get_tree+0x90/0x274 [ 232.488267][ T7185] do_new_mount+0x228/0x810 [ 232.488956][ T7185] path_mount+0x5bc/0x1008 [ 232.489623][ T7185] __arm64_sys_mount+0x514/0x5f0 [ 232.490389][ T7185] invoke_syscall+0x98/0x2b0 [ 232.491089][ T7185] el0_svc_common+0x138/0x258 [ 232.491781][ T7185] do_el0_svc+0x58/0x13c [ 232.492451][ T7185] el0_svc+0x78/0x1d0 [ 232.493084][ T7185] el0t_64_sync_handler+0xcc/0xe4 [ 232.493890][ T7185] el0t_64_sync+0x1a0/0x1a4 [ 232.495352][ T7185] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.497414][ T7185] gfs2: fsid=__&+[$!: error -17 adding sysfs files 1970/01/01 00:03:52 executed programs: 680 [ 232.632911][ T7188] loop1: detected capacity change from 0 to 32768 [ 232.640287][ T7188] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.641535][ T7188] CPU: 1 PID: 7188 Comm: syz.1.694 Not tainted syzkaller #0 [ 232.642684][ T7188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.644327][ T7188] Call trace: [ 232.644854][ T7188] dump_backtrace+0x0/0x458 [ 232.645600][ T7188] show_stack+0x2c/0x3c [ 232.646255][ T7188] __dump_stack+0x30/0x40 [ 232.646926][ T7188] dump_stack_lvl+0xf4/0x15c [ 232.647613][ T7188] dump_stack+0x1c/0x5c [ 232.648251][ T7188] sysfs_create_dir_ns+0x244/0x264 [ 232.648981][ T7188] kobject_add_internal+0x5ac/0xc3c [ 232.649768][ T7188] kobject_init_and_add+0x124/0x190 [ 232.650524][ T7188] gfs2_sys_fs_add+0x200/0x41c [ 232.651250][ T7188] gfs2_fill_super+0xddc/0x1a18 [ 232.651965][ T7188] get_tree_bdev+0x358/0x544 [ 232.652659][ T7188] gfs2_get_tree+0x54/0x1b4 [ 232.653367][ T7188] vfs_get_tree+0x90/0x274 [ 232.654057][ T7188] do_new_mount+0x228/0x810 [ 232.654753][ T7188] path_mount+0x5bc/0x1008 [ 232.655380][ T7188] __arm64_sys_mount+0x514/0x5f0 [ 232.656160][ T7188] invoke_syscall+0x98/0x2b0 [ 232.656854][ T7188] el0_svc_common+0x138/0x258 [ 232.657623][ T7188] do_el0_svc+0x58/0x13c [ 232.658304][ T7188] el0_svc+0x78/0x1d0 [ 232.658873][ T7188] el0t_64_sync_handler+0xcc/0xe4 [ 232.659611][ T7188] el0t_64_sync+0x1a0/0x1a4 [ 232.661503][ T7188] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.663687][ T7188] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.804928][ T7191] loop1: detected capacity change from 0 to 32768 [ 232.809306][ T7191] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.810483][ T7191] CPU: 1 PID: 7191 Comm: syz.1.695 Not tainted syzkaller #0 [ 232.811556][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.813006][ T7191] Call trace: [ 232.813500][ T7191] dump_backtrace+0x0/0x458 [ 232.814179][ T7191] show_stack+0x2c/0x3c [ 232.814854][ T7191] __dump_stack+0x30/0x40 [ 232.815505][ T7191] dump_stack_lvl+0xf4/0x15c [ 232.816251][ T7191] dump_stack+0x1c/0x5c [ 232.816875][ T7191] sysfs_create_dir_ns+0x244/0x264 [ 232.817701][ T7191] kobject_add_internal+0x5ac/0xc3c [ 232.818517][ T7191] kobject_init_and_add+0x124/0x190 [ 232.819281][ T7191] gfs2_sys_fs_add+0x200/0x41c [ 232.820033][ T7191] gfs2_fill_super+0xddc/0x1a18 [ 232.820746][ T7191] get_tree_bdev+0x358/0x544 [ 232.821434][ T7191] gfs2_get_tree+0x54/0x1b4 [ 232.822128][ T7191] vfs_get_tree+0x90/0x274 [ 232.822745][ T7191] do_new_mount+0x228/0x810 [ 232.823420][ T7191] path_mount+0x5bc/0x1008 [ 232.824095][ T7191] __arm64_sys_mount+0x514/0x5f0 [ 232.824846][ T7191] invoke_syscall+0x98/0x2b0 [ 232.825589][ T7191] el0_svc_common+0x138/0x258 [ 232.826333][ T7191] do_el0_svc+0x58/0x13c [ 232.826998][ T7191] el0_svc+0x78/0x1d0 [ 232.827623][ T7191] el0t_64_sync_handler+0xcc/0xe4 [ 232.828387][ T7191] el0t_64_sync+0x1a0/0x1a4 [ 232.829625][ T7191] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.831576][ T7191] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 232.964418][ T7194] loop1: detected capacity change from 0 to 32768 [ 232.972626][ T7194] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 232.973975][ T7194] CPU: 1 PID: 7194 Comm: syz.1.696 Not tainted syzkaller #0 [ 232.975011][ T7194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.976419][ T7194] Call trace: [ 232.976943][ T7194] dump_backtrace+0x0/0x458 [ 232.977614][ T7194] show_stack+0x2c/0x3c [ 232.978260][ T7194] __dump_stack+0x30/0x40 [ 232.978946][ T7194] dump_stack_lvl+0xf4/0x15c [ 232.979649][ T7194] dump_stack+0x1c/0x5c [ 232.980233][ T7194] sysfs_create_dir_ns+0x244/0x264 [ 232.981029][ T7194] kobject_add_internal+0x5ac/0xc3c [ 232.981740][ T7194] kobject_init_and_add+0x124/0x190 [ 232.982471][ T7194] gfs2_sys_fs_add+0x200/0x41c [ 232.983154][ T7194] gfs2_fill_super+0xddc/0x1a18 [ 232.983905][ T7194] get_tree_bdev+0x358/0x544 [ 232.984591][ T7194] gfs2_get_tree+0x54/0x1b4 [ 232.985291][ T7194] vfs_get_tree+0x90/0x274 [ 232.985962][ T7194] do_new_mount+0x228/0x810 [ 232.986617][ T7194] path_mount+0x5bc/0x1008 [ 232.987303][ T7194] __arm64_sys_mount+0x514/0x5f0 [ 232.988060][ T7194] invoke_syscall+0x98/0x2b0 [ 232.988751][ T7194] el0_svc_common+0x138/0x258 [ 232.989436][ T7194] do_el0_svc+0x58/0x13c [ 232.990073][ T7194] el0_svc+0x78/0x1d0 [ 232.990706][ T7194] el0t_64_sync_handler+0xcc/0xe4 [ 232.991463][ T7194] el0t_64_sync+0x1a0/0x1a4 [ 232.992644][ T7194] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 232.994832][ T7194] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.128431][ T7197] loop1: detected capacity change from 0 to 32768 [ 233.136623][ T7197] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.137844][ T7197] CPU: 1 PID: 7197 Comm: syz.1.697 Not tainted syzkaller #0 [ 233.138998][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.140595][ T7197] Call trace: [ 233.141192][ T7197] dump_backtrace+0x0/0x458 [ 233.141877][ T7197] show_stack+0x2c/0x3c [ 233.142554][ T7197] __dump_stack+0x30/0x40 [ 233.143241][ T7197] dump_stack_lvl+0xf4/0x15c [ 233.143965][ T7197] dump_stack+0x1c/0x5c [ 233.144596][ T7197] sysfs_create_dir_ns+0x244/0x264 [ 233.145335][ T7197] kobject_add_internal+0x5ac/0xc3c [ 233.146176][ T7197] kobject_init_and_add+0x124/0x190 [ 233.146951][ T7197] gfs2_sys_fs_add+0x200/0x41c [ 233.147750][ T7197] gfs2_fill_super+0xddc/0x1a18 [ 233.148500][ T7197] get_tree_bdev+0x358/0x544 [ 233.149225][ T7197] gfs2_get_tree+0x54/0x1b4 [ 233.149914][ T7197] vfs_get_tree+0x90/0x274 [ 233.150612][ T7197] do_new_mount+0x228/0x810 [ 233.151296][ T7197] path_mount+0x5bc/0x1008 [ 233.151966][ T7197] __arm64_sys_mount+0x514/0x5f0 [ 233.152712][ T7197] invoke_syscall+0x98/0x2b0 [ 233.153418][ T7197] el0_svc_common+0x138/0x258 [ 233.154125][ T7197] do_el0_svc+0x58/0x13c [ 233.154726][ T7197] el0_svc+0x78/0x1d0 [ 233.155310][ T7197] el0t_64_sync_handler+0xcc/0xe4 [ 233.156051][ T7197] el0t_64_sync+0x1a0/0x1a4 [ 233.158785][ T7197] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.160751][ T7197] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.290763][ T7200] loop1: detected capacity change from 0 to 32768 [ 233.344493][ T7200] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.345834][ T7200] CPU: 0 PID: 7200 Comm: syz.1.698 Not tainted syzkaller #0 [ 233.347028][ T7200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.348653][ T7200] Call trace: [ 233.349155][ T7200] dump_backtrace+0x0/0x458 [ 233.349860][ T7200] show_stack+0x2c/0x3c [ 233.350483][ T7200] __dump_stack+0x30/0x40 [ 233.351160][ T7200] dump_stack_lvl+0xf4/0x15c [ 233.351874][ T7200] dump_stack+0x1c/0x5c [ 233.352503][ T7200] sysfs_create_dir_ns+0x244/0x264 [ 233.353292][ T7200] kobject_add_internal+0x5ac/0xc3c [ 233.354082][ T7200] kobject_init_and_add+0x124/0x190 [ 233.354925][ T7200] gfs2_sys_fs_add+0x200/0x41c [ 233.355626][ T7200] gfs2_fill_super+0xddc/0x1a18 [ 233.356326][ T7200] get_tree_bdev+0x358/0x544 [ 233.357037][ T7200] gfs2_get_tree+0x54/0x1b4 [ 233.357736][ T7200] vfs_get_tree+0x90/0x274 [ 233.358457][ T7200] do_new_mount+0x228/0x810 [ 233.359157][ T7200] path_mount+0x5bc/0x1008 [ 233.359821][ T7200] __arm64_sys_mount+0x514/0x5f0 [ 233.360538][ T7200] invoke_syscall+0x98/0x2b0 [ 233.361258][ T7200] el0_svc_common+0x138/0x258 [ 233.361996][ T7200] do_el0_svc+0x58/0x13c [ 233.362666][ T7200] el0_svc+0x78/0x1d0 [ 233.363242][ T7200] el0t_64_sync_handler+0xcc/0xe4 [ 233.364019][ T7200] el0t_64_sync+0x1a0/0x1a4 [ 233.365192][ T7200] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.367309][ T7200] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.559339][ T7203] loop1: detected capacity change from 0 to 32768 [ 233.598050][ T7203] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.599360][ T7203] CPU: 1 PID: 7203 Comm: syz.1.699 Not tainted syzkaller #0 [ 233.600522][ T7203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.602182][ T7203] Call trace: [ 233.602737][ T7203] dump_backtrace+0x0/0x458 [ 233.603447][ T7203] show_stack+0x2c/0x3c [ 233.604161][ T7203] __dump_stack+0x30/0x40 [ 233.604877][ T7203] dump_stack_lvl+0xf4/0x15c [ 233.605700][ T7203] dump_stack+0x1c/0x5c [ 233.606340][ T7203] sysfs_create_dir_ns+0x244/0x264 [ 233.607175][ T7203] kobject_add_internal+0x5ac/0xc3c [ 233.607999][ T7203] kobject_init_and_add+0x124/0x190 [ 233.608852][ T7203] gfs2_sys_fs_add+0x200/0x41c [ 233.609648][ T7203] gfs2_fill_super+0xddc/0x1a18 [ 233.610413][ T7203] get_tree_bdev+0x358/0x544 [ 233.611163][ T7203] gfs2_get_tree+0x54/0x1b4 [ 233.611866][ T7203] vfs_get_tree+0x90/0x274 [ 233.612507][ T7203] do_new_mount+0x228/0x810 [ 233.613123][ T7203] path_mount+0x5bc/0x1008 [ 233.613786][ T7203] __arm64_sys_mount+0x514/0x5f0 [ 233.614478][ T7203] invoke_syscall+0x98/0x2b0 [ 233.615142][ T7203] el0_svc_common+0x138/0x258 [ 233.615831][ T7203] do_el0_svc+0x58/0x13c [ 233.616474][ T7203] el0_svc+0x78/0x1d0 [ 233.617130][ T7203] el0t_64_sync_handler+0xcc/0xe4 [ 233.617923][ T7203] el0t_64_sync+0x1a0/0x1a4 [ 233.620140][ T7203] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.622275][ T7203] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.758352][ T7206] loop1: detected capacity change from 0 to 32768 [ 233.762653][ T7206] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.763994][ T7206] CPU: 1 PID: 7206 Comm: syz.1.700 Not tainted syzkaller #0 [ 233.765168][ T7206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.766801][ T7206] Call trace: [ 233.767339][ T7206] dump_backtrace+0x0/0x458 [ 233.768061][ T7206] show_stack+0x2c/0x3c [ 233.768699][ T7206] __dump_stack+0x30/0x40 [ 233.769379][ T7206] dump_stack_lvl+0xf4/0x15c [ 233.770053][ T7206] dump_stack+0x1c/0x5c [ 233.770699][ T7206] sysfs_create_dir_ns+0x244/0x264 [ 233.771434][ T7206] kobject_add_internal+0x5ac/0xc3c [ 233.772187][ T7206] kobject_init_and_add+0x124/0x190 [ 233.772957][ T7206] gfs2_sys_fs_add+0x200/0x41c [ 233.773616][ T7206] gfs2_fill_super+0xddc/0x1a18 [ 233.774298][ T7206] get_tree_bdev+0x358/0x544 [ 233.775044][ T7206] gfs2_get_tree+0x54/0x1b4 [ 233.775766][ T7206] vfs_get_tree+0x90/0x274 [ 233.776378][ T7206] do_new_mount+0x228/0x810 [ 233.777068][ T7206] path_mount+0x5bc/0x1008 [ 233.777779][ T7206] __arm64_sys_mount+0x514/0x5f0 [ 233.778566][ T7206] invoke_syscall+0x98/0x2b0 [ 233.779250][ T7206] el0_svc_common+0x138/0x258 [ 233.779975][ T7206] do_el0_svc+0x58/0x13c [ 233.780599][ T7206] el0_svc+0x78/0x1d0 [ 233.781214][ T7206] el0t_64_sync_handler+0xcc/0xe4 [ 233.782025][ T7206] el0t_64_sync+0x1a0/0x1a4 [ 233.784156][ T7206] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.786164][ T7206] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 233.918274][ T7209] loop1: detected capacity change from 0 to 32768 [ 233.926387][ T7209] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 233.927682][ T7209] CPU: 0 PID: 7209 Comm: syz.1.701 Not tainted syzkaller #0 [ 233.928794][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.930324][ T7209] Call trace: [ 233.930802][ T7209] dump_backtrace+0x0/0x458 [ 233.931449][ T7209] show_stack+0x2c/0x3c [ 233.932039][ T7209] __dump_stack+0x30/0x40 [ 233.932683][ T7209] dump_stack_lvl+0xf4/0x15c [ 233.933398][ T7209] dump_stack+0x1c/0x5c [ 233.934053][ T7209] sysfs_create_dir_ns+0x244/0x264 [ 233.934892][ T7209] kobject_add_internal+0x5ac/0xc3c [ 233.935674][ T7209] kobject_init_and_add+0x124/0x190 [ 233.936515][ T7209] gfs2_sys_fs_add+0x200/0x41c [ 233.937276][ T7209] gfs2_fill_super+0xddc/0x1a18 [ 233.938000][ T7209] get_tree_bdev+0x358/0x544 [ 233.938722][ T7209] gfs2_get_tree+0x54/0x1b4 [ 233.939410][ T7209] vfs_get_tree+0x90/0x274 [ 233.940072][ T7209] do_new_mount+0x228/0x810 [ 233.940726][ T7209] path_mount+0x5bc/0x1008 [ 233.941380][ T7209] __arm64_sys_mount+0x514/0x5f0 [ 233.942141][ T7209] invoke_syscall+0x98/0x2b0 [ 233.942855][ T7209] el0_svc_common+0x138/0x258 [ 233.943537][ T7209] do_el0_svc+0x58/0x13c [ 233.944140][ T7209] el0_svc+0x78/0x1d0 [ 233.944755][ T7209] el0t_64_sync_handler+0xcc/0xe4 [ 233.945501][ T7209] el0t_64_sync+0x1a0/0x1a4 [ 233.947698][ T7209] kobject_add_internal failed for __&+[$! with -EEXIST, don't try to register things with the same name in the same directory. [ 233.949856][ T7209] gfs2: fsid=__&+[$!: error -17 adding sysfs files [ 234.103315][ T27] INFO: task syz-executor:4974 blocked for more than 143 seconds. [ 234.104959][ T27] Not tainted syzkaller #0 [ 234.105644][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.107074][ T27] task:syz-executor state:D stack: 0 pid: 4974 ppid: 1 flags:0x00000001 [ 234.108608][ T27] Call trace: [ 234.109089][ T27] __switch_to+0x2f4/0x540 [ 234.110096][ T27] __schedule+0xdfc/0x1bc4 [ 234.110752][ T27] schedule+0x11c/0x1c8 [ 234.111365][ T27] bit_wait+0x1c/0xac [ 234.112005][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 234.112911][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 234.114235][ T27] __gfs2_lookup+0x120/0x28c [ 234.114996][ T27] gfs2_lookup+0x2c/0x3c [ 234.115696][ T27] __lookup_slow+0x25c/0x39c [ 234.116489][ T27] lookup_slow+0x5c/0x80 [ 234.117193][ T27] walk_component+0x2b0/0x3a8 [ 234.117934][ T27] path_lookupat+0x13c/0x3d0 [ 234.118648][ T27] filename_lookup+0x1b4/0x464 [ 234.119341][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.120209][ T27] __arm64_sys_umount+0xf8/0x184 [ 234.120969][ T27] invoke_syscall+0x98/0x2b0 [ 234.121694][ T27] el0_svc_common+0x138/0x258 [ 234.122443][ T27] do_el0_svc+0x58/0x13c [ 234.123055][ T27] el0_svc+0x78/0x1d0 [ 234.124389][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.125328][ T7212] sysfs: cannot create duplicate filename '/fs/gfs2/__&+[$!' [ 234.126485][ T7212] CPU: 0 PID: 7212 Comm: syz.1.702 Not tainted syzkaller #0 [ 234.127605][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.129133][ T7212] Call trace: [ 234.129608][ T7212] dump_backtrace+0x0/0x458 [ 234.130325][ T7212] show_stack+0x2c/0x3c [ 234.130900][ T7212] __dump_stack+0x30/0x40 [ 234.131517][ T7212] dump_stack_lvl+0xf4/0x15c [ 234.132227][ T7212] dump_stack+0x1c/0x5c [ 234.132859][ T7212] sysfs_create_dir_ns+0x244/0x264 [ 234.133621][ T7212] kobject_add_internal+0x5ac/0xc3c [ 234.134396][ T7212] kobject_init_and_add+0x124/0x190 [ 234.135326][ T7212] gfs2_sys_fs_add+0x200/0x41c [ 234.136071][ T7212] gfs2_fill_super+0xddc/0x1a18 [ 234.136855][ T7212] get_tree_bdev+0x358/0x544 [ 234.137565][ T7212] gfs2_get_tree+0x54/0x1b4 [ 234.138326][ T7212] vfs_get_tree+0x90/0x274 [ 234.139002][ T7212] do_new_mount+0x228/0x810 [ 234.139680][ T7212] path_mount+0x5bc/0x1008 [ 234.140380][ T7212] __arm64_sys_mount+0x514/0x5f0 [ 234.141090][ T7212] invoke_syscall+0x98/0x2b0 [ 234.141755][ T7212] el0_svc_common+0x138/0x258 [ 234.142427][ T7212] do_el0_svc+0x58/0x13c [ 234.143094][ T7212] el0_svc+0x78/0x1d0 [ 234.143707][ T7212] el0t_64_sync_handler+0xcc/0xe4 [ 234.144483][ T7212] el0t_64_sync+0x1a0/0x1a4 [ 234.145587][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.146362][ T27] [ 234.146362][ T27] Showing all locks held in the system: [ 234.147587][ T27] 1 lock held by khungtaskd/27: [ 234.148400][ T27] #0: ffff800014461360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.149934][ T27] 2 locks held by getty/3805: [ 234.150611][ T27] #0: ffff0000d41c0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.152238][ T27] #1: ffff80001bdce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.153960][ T27] 1 lock held by syz-executor/4974: [ 234.154651][ T27] #0: ffff0000def652b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 234.156177][ T27] 1 lock held by syz.1.702/7212: [ 234.156951][ T27] [ 234.157304][ T27] ============================================= [ 234.157304][ T27] [ 234.158558][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.159549][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.160626][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.162120][ T27] Call trace: [ 234.162656][ T27] dump_backtrace+0x0/0x458 [ 234.163356][ T27] show_stack+0x2c/0x3c [ 234.163983][ T27] __dump_stack+0x30/0x40 [ 234.164680][ T27] dump_stack_lvl+0xf4/0x15c [ 234.165401][ T27] dump_stack+0x1c/0x5c [ 234.166017][ T27] panic+0x2fc/0x860 [ 234.166578][ T27] hung_task_panic+0x0/0x2c [ 234.167270][ T27] kthread+0x374/0x454 [ 234.167884][ T27] ret_from_fork+0x10/0x20 [ 234.168533][ T27] SMP: stopping secondary CPUs [ 234.169203][ T27] Kernel Offset: disabled [ 234.169868][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.170662][ T27] Memory Limit: none [ 234.513478][ T27] Rebooting in 86400 seconds..