0] dump_backtrace+0x0/0x458 [ 214.338000][ T6600] show_stack+0x2c/0x3c [ 214.338767][ T6600] __dump_stack+0x30/0x40 [ 214.339493][ T6600] dump_stack_lvl+0xf4/0x15c [ 214.340309][ T6600] dump_stack+0x1c/0x5c [ 214.341003][ T6600] sysfs_create_dir_ns+0x244/0x264 [ 214.341832][ T6600] kobject_add_internal+0x5ac/0xc3c [ 214.342753][ T6600] kobject_init_and_add+0x124/0x190 [ 214.343712][ T6600] gfs2_sys_fs_add+0x200/0x41c [ 214.344550][ T6600] gfs2_fill_super+0xddc/0x1a18 [ 214.345473][ T6600] get_tree_bdev+0x358/0x544 [ 214.346244][ T6600] gfs2_get_tree+0x54/0x1b4 [ 214.347078][ T6600] vfs_get_tree+0x90/0x274 [ 214.347838][ T6600] do_new_mount+0x228/0x810 [ 214.348639][ T6600] path_mount+0x5bc/0x1008 [ 214.349476][ T6600] __arm64_sys_mount+0x514/0x5f0 [ 214.350322][ T6600] invoke_syscall+0x98/0x2b0 [ 214.351108][ T6600] el0_svc_common+0x138/0x258 [ 214.351938][ T6600] do_el0_svc+0x58/0x13c [ 214.352692][ T6600] el0_svc+0x78/0x1d0 [ 214.353359][ T6600] el0t_64_sync_handler+0xcc/0xe4 [ 214.354237][ T6600] el0t_64_sync+0x1a0/0x1a4 [ 214.356856][ T6600] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.359579][ T6600] gfs2: fsid=](_: error -17 adding sysfs files [ 214.557331][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.558474][ T6603] CPU: 0 PID: 6603 Comm: syz.1.557 Not tainted syzkaller #0 [ 214.559763][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.561394][ T6603] Call trace: [ 214.562024][ T6603] dump_backtrace+0x0/0x458 [ 214.562774][ T6603] show_stack+0x2c/0x3c [ 214.563576][ T6603] __dump_stack+0x30/0x40 [ 214.564276][ T6603] dump_stack_lvl+0xf4/0x15c [ 214.565089][ T6603] dump_stack+0x1c/0x5c [ 214.565770][ T6603] sysfs_create_dir_ns+0x244/0x264 [ 214.566674][ T6603] kobject_add_internal+0x5ac/0xc3c [ 214.567543][ T6603] kobject_init_and_add+0x124/0x190 [ 214.568441][ T6603] gfs2_sys_fs_add+0x200/0x41c [ 214.569253][ T6603] gfs2_fill_super+0xddc/0x1a18 [ 214.570058][ T6603] get_tree_bdev+0x358/0x544 [ 214.570854][ T6603] gfs2_get_tree+0x54/0x1b4 [ 214.571628][ T6603] vfs_get_tree+0x90/0x274 [ 214.572465][ T6603] do_new_mount+0x228/0x810 [ 214.573280][ T6603] path_mount+0x5bc/0x1008 [ 214.574012][ T6603] __arm64_sys_mount+0x514/0x5f0 [ 214.574831][ T6603] invoke_syscall+0x98/0x2b0 [ 214.575714][ T6603] el0_svc_common+0x138/0x258 [ 214.576540][ T6603] do_el0_svc+0x58/0x13c [ 214.577248][ T6603] el0_svc+0x78/0x1d0 [ 214.577851][ T6603] el0t_64_sync_handler+0xcc/0xe4 [ 214.578629][ T6603] el0t_64_sync+0x1a0/0x1a4 [ 214.581839][ T6603] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.583884][ T6603] gfs2: fsid=](_: error -17 adding sysfs files [ 214.788700][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.789959][ T6606] CPU: 1 PID: 6606 Comm: syz.1.558 Not tainted syzkaller #0 [ 214.791167][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.792810][ T6606] Call trace: [ 214.793423][ T6606] dump_backtrace+0x0/0x458 [ 214.794193][ T6606] show_stack+0x2c/0x3c [ 214.794875][ T6606] __dump_stack+0x30/0x40 [ 214.795615][ T6606] dump_stack_lvl+0xf4/0x15c [ 214.796342][ T6606] dump_stack+0x1c/0x5c [ 214.797027][ T6606] sysfs_create_dir_ns+0x244/0x264 [ 214.797902][ T6606] kobject_add_internal+0x5ac/0xc3c [ 214.798773][ T6606] kobject_init_and_add+0x124/0x190 [ 214.799610][ T6606] gfs2_sys_fs_add+0x200/0x41c [ 214.800444][ T6606] gfs2_fill_super+0xddc/0x1a18 [ 214.801323][ T6606] get_tree_bdev+0x358/0x544 [ 214.802106][ T6606] gfs2_get_tree+0x54/0x1b4 [ 214.802920][ T6606] vfs_get_tree+0x90/0x274 [ 214.803686][ T6606] do_new_mount+0x228/0x810 [ 214.804453][ T6606] path_mount+0x5bc/0x1008 [ 214.805200][ T6606] __arm64_sys_mount+0x514/0x5f0 [ 214.806058][ T6606] invoke_syscall+0x98/0x2b0 [ 214.806846][ T6606] el0_svc_common+0x138/0x258 [ 214.807662][ T6606] do_el0_svc+0x58/0x13c [ 214.808391][ T6606] el0_svc+0x78/0x1d0 [ 214.809103][ T6606] el0t_64_sync_handler+0xcc/0xe4 [ 214.809950][ T6606] el0t_64_sync+0x1a0/0x1a4 [ 214.811505][ T6606] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.813543][ T6606] gfs2: fsid=](_: error -17 adding sysfs files [ 214.963240][ T6609] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.964448][ T6609] CPU: 1 PID: 6609 Comm: syz.1.559 Not tainted syzkaller #0 [ 214.965690][ T6609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 214.967335][ T6609] Call trace: [ 214.967876][ T6609] dump_backtrace+0x0/0x458 [ 214.968657][ T6609] show_stack+0x2c/0x3c [ 214.969364][ T6609] __dump_stack+0x30/0x40 [ 214.970158][ T6609] dump_stack_lvl+0xf4/0x15c [ 214.970986][ T6609] dump_stack+0x1c/0x5c [ 214.971650][ T6609] sysfs_create_dir_ns+0x244/0x264 [ 214.972470][ T6609] kobject_add_internal+0x5ac/0xc3c [ 214.973352][ T6609] kobject_init_and_add+0x124/0x190 [ 214.974287][ T6609] gfs2_sys_fs_add+0x200/0x41c [ 214.975126][ T6609] gfs2_fill_super+0xddc/0x1a18 [ 214.975968][ T6609] get_tree_bdev+0x358/0x544 [ 214.976797][ T6609] gfs2_get_tree+0x54/0x1b4 [ 214.977584][ T6609] vfs_get_tree+0x90/0x274 [ 214.978307][ T6609] do_new_mount+0x228/0x810 [ 214.979149][ T6609] path_mount+0x5bc/0x1008 [ 214.979968][ T6609] __arm64_sys_mount+0x514/0x5f0 [ 214.980812][ T6609] invoke_syscall+0x98/0x2b0 [ 214.981647][ T6609] el0_svc_common+0x138/0x258 [ 214.982482][ T6609] do_el0_svc+0x58/0x13c [ 214.983180][ T6609] el0_svc+0x78/0x1d0 [ 214.983837][ T6609] el0t_64_sync_handler+0xcc/0xe4 [ 214.984641][ T6609] el0t_64_sync+0x1a0/0x1a4 [ 214.987442][ T6609] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.989554][ T6609] gfs2: fsid=](_: error -17 adding sysfs files [ 215.142214][ T6612] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.143397][ T6612] CPU: 1 PID: 6612 Comm: syz.1.560 Not tainted syzkaller #0 [ 215.144594][ T6612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.146264][ T6612] Call trace: [ 215.146843][ T6612] dump_backtrace+0x0/0x458 [ 215.147628][ T6612] show_stack+0x2c/0x3c [ 215.148306][ T6612] __dump_stack+0x30/0x40 [ 215.149067][ T6612] dump_stack_lvl+0xf4/0x15c [ 215.149899][ T6612] dump_stack+0x1c/0x5c [ 215.150610][ T6612] sysfs_create_dir_ns+0x244/0x264 [ 215.151534][ T6612] kobject_add_internal+0x5ac/0xc3c [ 215.152440][ T6612] kobject_init_and_add+0x124/0x190 [ 215.153362][ T6612] gfs2_sys_fs_add+0x200/0x41c [ 215.154207][ T6612] gfs2_fill_super+0xddc/0x1a18 [ 215.155042][ T6612] get_tree_bdev+0x358/0x544 [ 215.155848][ T6612] gfs2_get_tree+0x54/0x1b4 [ 215.156603][ T6612] vfs_get_tree+0x90/0x274 [ 215.157405][ T6612] do_new_mount+0x228/0x810 [ 215.158172][ T6612] path_mount+0x5bc/0x1008 [ 215.158961][ T6612] __arm64_sys_mount+0x514/0x5f0 [ 215.159781][ T6612] invoke_syscall+0x98/0x2b0 [ 215.160567][ T6612] el0_svc_common+0x138/0x258 [ 215.161390][ T6612] do_el0_svc+0x58/0x13c [ 215.162166][ T6612] el0_svc+0x78/0x1d0 [ 215.162911][ T6612] el0t_64_sync_handler+0xcc/0xe4 [ 215.163821][ T6612] el0t_64_sync+0x1a0/0x1a4 [ 215.166106][ T6612] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.168591][ T6612] gfs2: fsid=](_: error -17 adding sysfs files [ 215.314126][ T6615] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.315354][ T6615] CPU: 1 PID: 6615 Comm: syz.1.561 Not tainted syzkaller #0 [ 215.316617][ T6615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.318458][ T6615] Call trace: [ 215.319034][ T6615] dump_backtrace+0x0/0x458 [ 215.319854][ T6615] show_stack+0x2c/0x3c [ 215.320627][ T6615] __dump_stack+0x30/0x40 [ 215.321380][ T6615] dump_stack_lvl+0xf4/0x15c [ 215.322237][ T6615] dump_stack+0x1c/0x5c [ 215.322962][ T6615] sysfs_create_dir_ns+0x244/0x264 [ 215.323861][ T6615] kobject_add_internal+0x5ac/0xc3c [ 215.324870][ T6615] kobject_init_and_add+0x124/0x190 [ 215.325797][ T6615] gfs2_sys_fs_add+0x200/0x41c [ 215.326626][ T6615] gfs2_fill_super+0xddc/0x1a18 [ 215.327502][ T6615] get_tree_bdev+0x358/0x544 [ 215.328311][ T6615] gfs2_get_tree+0x54/0x1b4 [ 215.329079][ T6615] vfs_get_tree+0x90/0x274 [ 215.329849][ T6615] do_new_mount+0x228/0x810 [ 215.330611][ T6615] path_mount+0x5bc/0x1008 [ 215.331348][ T6615] __arm64_sys_mount+0x514/0x5f0 [ 215.332236][ T6615] invoke_syscall+0x98/0x2b0 [ 215.333045][ T6615] el0_svc_common+0x138/0x258 [ 215.333889][ T6615] do_el0_svc+0x58/0x13c [ 215.334664][ T6615] el0_svc+0x78/0x1d0 [ 215.335347][ T6615] el0t_64_sync_handler+0xcc/0xe4 [ 215.336211][ T6615] el0t_64_sync+0x1a0/0x1a4 [ 215.337127][ T6615] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.339220][ T6615] gfs2: fsid=](_: error -17 adding sysfs files [ 215.491940][ T6618] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.494857][ T6618] CPU: 0 PID: 6618 Comm: syz.1.562 Not tainted syzkaller #0 [ 215.496093][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.497913][ T6618] Call trace: [ 215.498503][ T6618] dump_backtrace+0x0/0x458 [ 215.499307][ T6618] show_stack+0x2c/0x3c [ 215.500025][ T6618] __dump_stack+0x30/0x40 [ 215.500714][ T6618] dump_stack_lvl+0xf4/0x15c [ 215.501484][ T6618] dump_stack+0x1c/0x5c [ 215.502199][ T6618] sysfs_create_dir_ns+0x244/0x264 [ 215.503089][ T6618] kobject_add_internal+0x5ac/0xc3c [ 215.504000][ T6618] kobject_init_and_add+0x124/0x190 [ 215.504911][ T6618] gfs2_sys_fs_add+0x200/0x41c [ 215.505733][ T6618] gfs2_fill_super+0xddc/0x1a18 [ 215.506591][ T6618] get_tree_bdev+0x358/0x544 [ 215.507347][ T6618] gfs2_get_tree+0x54/0x1b4 [ 215.508151][ T6618] vfs_get_tree+0x90/0x274 [ 215.508880][ T6618] do_new_mount+0x228/0x810 [ 215.509641][ T6618] path_mount+0x5bc/0x1008 [ 215.510337][ T6618] __arm64_sys_mount+0x514/0x5f0 [ 215.511138][ T6618] invoke_syscall+0x98/0x2b0 [ 215.511967][ T6618] el0_svc_common+0x138/0x258 [ 215.512787][ T6618] do_el0_svc+0x58/0x13c [ 215.513538][ T6618] el0_svc+0x78/0x1d0 [ 215.514218][ T6618] el0t_64_sync_handler+0xcc/0xe4 [ 215.515084][ T6618] el0t_64_sync+0x1a0/0x1a4 [ 215.517768][ T6618] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.519794][ T6618] gfs2: fsid=](_: error -17 adding sysfs files [ 215.699056][ T6621] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.700255][ T6621] CPU: 0 PID: 6621 Comm: syz.1.563 Not tainted syzkaller #0 [ 215.701532][ T6621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.703247][ T6621] Call trace: [ 215.703787][ T6621] dump_backtrace+0x0/0x458 [ 215.704569][ T6621] show_stack+0x2c/0x3c [ 215.705379][ T6621] __dump_stack+0x30/0x40 [ 215.706121][ T6621] dump_stack_lvl+0xf4/0x15c [ 215.706911][ T6621] dump_stack+0x1c/0x5c [ 215.707566][ T6621] sysfs_create_dir_ns+0x244/0x264 [ 215.708397][ T6621] kobject_add_internal+0x5ac/0xc3c [ 215.709271][ T6621] kobject_init_and_add+0x124/0x190 [ 215.710195][ T6621] gfs2_sys_fs_add+0x200/0x41c [ 215.710987][ T6621] gfs2_fill_super+0xddc/0x1a18 [ 215.711846][ T6621] get_tree_bdev+0x358/0x544 [ 215.712610][ T6621] gfs2_get_tree+0x54/0x1b4 [ 215.713398][ T6621] vfs_get_tree+0x90/0x274 [ 215.714168][ T6621] do_new_mount+0x228/0x810 [ 215.714983][ T6621] path_mount+0x5bc/0x1008 [ 215.715694][ T6621] __arm64_sys_mount+0x514/0x5f0 [ 215.716569][ T6621] invoke_syscall+0x98/0x2b0 [ 215.717404][ T6621] el0_svc_common+0x138/0x258 [ 215.718165][ T6621] do_el0_svc+0x58/0x13c [ 215.718905][ T6621] el0_svc+0x78/0x1d0 [ 215.719646][ T6621] el0t_64_sync_handler+0xcc/0xe4 [ 215.720535][ T6621] el0t_64_sync+0x1a0/0x1a4 [ 215.722800][ T6621] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.725097][ T6621] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 550 [ 215.902699][ T6624] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 215.903910][ T6624] CPU: 0 PID: 6624 Comm: syz.1.564 Not tainted syzkaller #0 [ 215.905065][ T6624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 215.906819][ T6624] Call trace: [ 215.907430][ T6624] dump_backtrace+0x0/0x458 [ 215.908269][ T6624] show_stack+0x2c/0x3c [ 215.908964][ T6624] __dump_stack+0x30/0x40 [ 215.909712][ T6624] dump_stack_lvl+0xf4/0x15c [ 215.910507][ T6624] dump_stack+0x1c/0x5c [ 215.911272][ T6624] sysfs_create_dir_ns+0x244/0x264 [ 215.912191][ T6624] kobject_add_internal+0x5ac/0xc3c [ 215.913113][ T6624] kobject_init_and_add+0x124/0x190 [ 215.914058][ T6624] gfs2_sys_fs_add+0x200/0x41c [ 215.914924][ T6624] gfs2_fill_super+0xddc/0x1a18 [ 215.915802][ T6624] get_tree_bdev+0x358/0x544 [ 215.916609][ T6624] gfs2_get_tree+0x54/0x1b4 [ 215.917306][ T6624] vfs_get_tree+0x90/0x274 [ 215.918152][ T6624] do_new_mount+0x228/0x810 [ 215.918918][ T6624] path_mount+0x5bc/0x1008 [ 215.919654][ T6624] __arm64_sys_mount+0x514/0x5f0 [ 215.920557][ T6624] invoke_syscall+0x98/0x2b0 [ 215.921338][ T6624] el0_svc_common+0x138/0x258 [ 215.922218][ T6624] do_el0_svc+0x58/0x13c [ 215.922931][ T6624] el0_svc+0x78/0x1d0 [ 215.923621][ T6624] el0t_64_sync_handler+0xcc/0xe4 [ 215.924546][ T6624] el0t_64_sync+0x1a0/0x1a4 [ 215.927430][ T6624] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 215.929750][ T6624] gfs2: fsid=](_: error -17 adding sysfs files [ 216.067982][ T6627] set_capacity_and_notify: 15 callbacks suppressed [ 216.067992][ T6627] loop1: detected capacity change from 0 to 32768 [ 216.078424][ T6627] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.079582][ T6627] CPU: 0 PID: 6627 Comm: syz.1.565 Not tainted syzkaller #0 [ 216.080902][ T6627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.082670][ T6627] Call trace: [ 216.083255][ T6627] dump_backtrace+0x0/0x458 [ 216.084071][ T6627] show_stack+0x2c/0x3c [ 216.084817][ T6627] __dump_stack+0x30/0x40 [ 216.085570][ T6627] dump_stack_lvl+0xf4/0x15c [ 216.086377][ T6627] dump_stack+0x1c/0x5c [ 216.087110][ T6627] sysfs_create_dir_ns+0x244/0x264 [ 216.087985][ T6627] kobject_add_internal+0x5ac/0xc3c [ 216.088863][ T6627] kobject_init_and_add+0x124/0x190 [ 216.089751][ T6627] gfs2_sys_fs_add+0x200/0x41c [ 216.090562][ T6627] gfs2_fill_super+0xddc/0x1a18 [ 216.091457][ T6627] get_tree_bdev+0x358/0x544 [ 216.092266][ T6627] gfs2_get_tree+0x54/0x1b4 [ 216.093008][ T6627] vfs_get_tree+0x90/0x274 [ 216.093725][ T6627] do_new_mount+0x228/0x810 [ 216.094491][ T6627] path_mount+0x5bc/0x1008 [ 216.095282][ T6627] __arm64_sys_mount+0x514/0x5f0 [ 216.096130][ T6627] invoke_syscall+0x98/0x2b0 [ 216.096916][ T6627] el0_svc_common+0x138/0x258 [ 216.097707][ T6627] do_el0_svc+0x58/0x13c [ 216.098405][ T6627] el0_svc+0x78/0x1d0 [ 216.099087][ T6627] el0t_64_sync_handler+0xcc/0xe4 [ 216.099973][ T6627] el0t_64_sync+0x1a0/0x1a4 [ 216.104840][ T6627] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.107156][ T6627] gfs2: fsid=](_: error -17 adding sysfs files [ 216.295832][ T6630] loop1: detected capacity change from 0 to 32768 [ 216.342644][ T6630] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.343746][ T6630] CPU: 1 PID: 6630 Comm: syz.1.566 Not tainted syzkaller #0 [ 216.344922][ T6630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.346665][ T6630] Call trace: [ 216.347172][ T6630] dump_backtrace+0x0/0x458 [ 216.347879][ T6630] show_stack+0x2c/0x3c [ 216.348594][ T6630] __dump_stack+0x30/0x40 [ 216.349311][ T6630] dump_stack_lvl+0xf4/0x15c [ 216.350077][ T6630] dump_stack+0x1c/0x5c [ 216.350772][ T6630] sysfs_create_dir_ns+0x244/0x264 [ 216.351605][ T6630] kobject_add_internal+0x5ac/0xc3c [ 216.352475][ T6630] kobject_init_and_add+0x124/0x190 [ 216.353335][ T6630] gfs2_sys_fs_add+0x200/0x41c [ 216.354192][ T6630] gfs2_fill_super+0xddc/0x1a18 [ 216.355000][ T6630] get_tree_bdev+0x358/0x544 [ 216.355730][ T6630] gfs2_get_tree+0x54/0x1b4 [ 216.356425][ T6630] vfs_get_tree+0x90/0x274 [ 216.357145][ T6630] do_new_mount+0x228/0x810 [ 216.357928][ T6630] path_mount+0x5bc/0x1008 [ 216.358656][ T6630] __arm64_sys_mount+0x514/0x5f0 [ 216.359419][ T6630] invoke_syscall+0x98/0x2b0 [ 216.360206][ T6630] el0_svc_common+0x138/0x258 [ 216.361061][ T6630] do_el0_svc+0x58/0x13c [ 216.361695][ T6630] el0_svc+0x78/0x1d0 [ 216.362364][ T6630] el0t_64_sync_handler+0xcc/0xe4 [ 216.363211][ T6630] el0t_64_sync+0x1a0/0x1a4 [ 216.365794][ T6630] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.368095][ T6630] gfs2: fsid=](_: error -17 adding sysfs files [ 216.558262][ T6633] loop1: detected capacity change from 0 to 32768 [ 216.608465][ T6633] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.609995][ T6633] CPU: 0 PID: 6633 Comm: syz.1.567 Not tainted syzkaller #0 [ 216.611248][ T6633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.613050][ T6633] Call trace: [ 216.613689][ T6633] dump_backtrace+0x0/0x458 [ 216.614509][ T6633] show_stack+0x2c/0x3c [ 216.615198][ T6633] __dump_stack+0x30/0x40 [ 216.615880][ T6633] dump_stack_lvl+0xf4/0x15c [ 216.616638][ T6633] dump_stack+0x1c/0x5c [ 216.617393][ T6633] sysfs_create_dir_ns+0x244/0x264 [ 216.618303][ T6633] kobject_add_internal+0x5ac/0xc3c [ 216.619239][ T6633] kobject_init_and_add+0x124/0x190 [ 216.620183][ T6633] gfs2_sys_fs_add+0x200/0x41c [ 216.621005][ T6633] gfs2_fill_super+0xddc/0x1a18 [ 216.621889][ T6633] get_tree_bdev+0x358/0x544 [ 216.622684][ T6633] gfs2_get_tree+0x54/0x1b4 [ 216.623464][ T6633] vfs_get_tree+0x90/0x274 [ 216.624255][ T6633] do_new_mount+0x228/0x810 [ 216.625026][ T6633] path_mount+0x5bc/0x1008 [ 216.625795][ T6633] __arm64_sys_mount+0x514/0x5f0 [ 216.626650][ T6633] invoke_syscall+0x98/0x2b0 [ 216.627427][ T6633] el0_svc_common+0x138/0x258 [ 216.628263][ T6633] do_el0_svc+0x58/0x13c [ 216.628960][ T6633] el0_svc+0x78/0x1d0 [ 216.629569][ T6633] el0t_64_sync_handler+0xcc/0xe4 [ 216.630489][ T6633] el0t_64_sync+0x1a0/0x1a4 [ 216.631707][ T6633] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.633857][ T6633] gfs2: fsid=](_: error -17 adding sysfs files [ 216.778223][ T6636] loop1: detected capacity change from 0 to 32768 [ 216.786114][ T6636] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.789549][ T6636] CPU: 1 PID: 6636 Comm: syz.1.568 Not tainted syzkaller #0 [ 216.790701][ T6636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 216.792516][ T6636] Call trace: [ 216.793031][ T6636] dump_backtrace+0x0/0x458 [ 216.793807][ T6636] show_stack+0x2c/0x3c [ 216.794483][ T6636] __dump_stack+0x30/0x40 [ 216.795181][ T6636] dump_stack_lvl+0xf4/0x15c [ 216.795936][ T6636] dump_stack+0x1c/0x5c [ 216.796664][ T6636] sysfs_create_dir_ns+0x244/0x264 [ 216.797569][ T6636] kobject_add_internal+0x5ac/0xc3c [ 216.798430][ T6636] kobject_init_and_add+0x124/0x190 [ 216.799327][ T6636] gfs2_sys_fs_add+0x200/0x41c [ 216.800163][ T6636] gfs2_fill_super+0xddc/0x1a18 [ 216.800911][ T6636] get_tree_bdev+0x358/0x544 [ 216.801681][ T6636] gfs2_get_tree+0x54/0x1b4 [ 216.802486][ T6636] vfs_get_tree+0x90/0x274 [ 216.803298][ T6636] do_new_mount+0x228/0x810 [ 216.804081][ T6636] path_mount+0x5bc/0x1008 [ 216.804837][ T6636] __arm64_sys_mount+0x514/0x5f0 [ 216.805672][ T6636] invoke_syscall+0x98/0x2b0 [ 216.806416][ T6636] el0_svc_common+0x138/0x258 [ 216.807191][ T6636] do_el0_svc+0x58/0x13c [ 216.807922][ T6636] el0_svc+0x78/0x1d0 [ 216.808599][ T6636] el0t_64_sync_handler+0xcc/0xe4 [ 216.809451][ T6636] el0t_64_sync+0x1a0/0x1a4 [ 216.811978][ T6636] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.813958][ T6636] gfs2: fsid=](_: error -17 adding sysfs files [ 216.950021][ T6639] loop1: detected capacity change from 0 to 32768 [ 217.002641][ T6639] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.003751][ T6639] CPU: 1 PID: 6639 Comm: syz.1.569 Not tainted syzkaller #0 [ 217.004941][ T6639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.006766][ T6639] Call trace: [ 217.007315][ T6639] dump_backtrace+0x0/0x458 [ 217.008098][ T6639] show_stack+0x2c/0x3c [ 217.008846][ T6639] __dump_stack+0x30/0x40 [ 217.009637][ T6639] dump_stack_lvl+0xf4/0x15c [ 217.010532][ T6639] dump_stack+0x1c/0x5c [ 217.011274][ T6639] sysfs_create_dir_ns+0x244/0x264 [ 217.012165][ T6639] kobject_add_internal+0x5ac/0xc3c [ 217.013144][ T6639] kobject_init_and_add+0x124/0x190 [ 217.014062][ T6639] gfs2_sys_fs_add+0x200/0x41c [ 217.014871][ T6639] gfs2_fill_super+0xddc/0x1a18 [ 217.015684][ T6639] get_tree_bdev+0x358/0x544 [ 217.016419][ T6639] gfs2_get_tree+0x54/0x1b4 [ 217.017187][ T6639] vfs_get_tree+0x90/0x274 [ 217.017969][ T6639] do_new_mount+0x228/0x810 [ 217.018697][ T6639] path_mount+0x5bc/0x1008 [ 217.019447][ T6639] __arm64_sys_mount+0x514/0x5f0 [ 217.020270][ T6639] invoke_syscall+0x98/0x2b0 [ 217.021109][ T6639] el0_svc_common+0x138/0x258 [ 217.021954][ T6639] do_el0_svc+0x58/0x13c [ 217.022734][ T6639] el0_svc+0x78/0x1d0 [ 217.023489][ T6639] el0t_64_sync_handler+0xcc/0xe4 [ 217.024371][ T6639] el0t_64_sync+0x1a0/0x1a4 [ 217.026831][ T6639] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.029396][ T6639] gfs2: fsid=](_: error -17 adding sysfs files [ 217.169117][ T6642] loop1: detected capacity change from 0 to 32768 [ 217.177591][ T6642] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.178876][ T6642] CPU: 0 PID: 6642 Comm: syz.1.570 Not tainted syzkaller #0 [ 217.180022][ T6642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.181635][ T6642] Call trace: [ 217.182159][ T6642] dump_backtrace+0x0/0x458 [ 217.182938][ T6642] show_stack+0x2c/0x3c [ 217.183659][ T6642] __dump_stack+0x30/0x40 [ 217.184377][ T6642] dump_stack_lvl+0xf4/0x15c [ 217.185127][ T6642] dump_stack+0x1c/0x5c [ 217.185767][ T6642] sysfs_create_dir_ns+0x244/0x264 [ 217.186605][ T6642] kobject_add_internal+0x5ac/0xc3c [ 217.187387][ T6642] kobject_init_and_add+0x124/0x190 [ 217.188267][ T6642] gfs2_sys_fs_add+0x200/0x41c [ 217.189025][ T6642] gfs2_fill_super+0xddc/0x1a18 [ 217.189848][ T6642] get_tree_bdev+0x358/0x544 [ 217.190659][ T6642] gfs2_get_tree+0x54/0x1b4 [ 217.191482][ T6642] vfs_get_tree+0x90/0x274 [ 217.192262][ T6642] do_new_mount+0x228/0x810 [ 217.193034][ T6642] path_mount+0x5bc/0x1008 [ 217.193755][ T6642] __arm64_sys_mount+0x514/0x5f0 [ 217.194631][ T6642] invoke_syscall+0x98/0x2b0 [ 217.195443][ T6642] el0_svc_common+0x138/0x258 [ 217.196196][ T6642] do_el0_svc+0x58/0x13c [ 217.196942][ T6642] el0_svc+0x78/0x1d0 [ 217.197708][ T6642] el0t_64_sync_handler+0xcc/0xe4 [ 217.198570][ T6642] el0t_64_sync+0x1a0/0x1a4 [ 217.199705][ T6642] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.201809][ T6642] gfs2: fsid=](_: error -17 adding sysfs files [ 217.377510][ T6645] loop1: detected capacity change from 0 to 32768 [ 217.418433][ T6645] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.419662][ T6645] CPU: 0 PID: 6645 Comm: syz.1.571 Not tainted syzkaller #0 [ 217.420846][ T6645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.422623][ T6645] Call trace: [ 217.423152][ T6645] dump_backtrace+0x0/0x458 [ 217.423832][ T6645] show_stack+0x2c/0x3c [ 217.424513][ T6645] __dump_stack+0x30/0x40 [ 217.425288][ T6645] dump_stack_lvl+0xf4/0x15c [ 217.426039][ T6645] dump_stack+0x1c/0x5c [ 217.426664][ T6645] sysfs_create_dir_ns+0x244/0x264 [ 217.427525][ T6645] kobject_add_internal+0x5ac/0xc3c [ 217.428438][ T6645] kobject_init_and_add+0x124/0x190 [ 217.429378][ T6645] gfs2_sys_fs_add+0x200/0x41c [ 217.430181][ T6645] gfs2_fill_super+0xddc/0x1a18 [ 217.431047][ T6645] get_tree_bdev+0x358/0x544 [ 217.431798][ T6645] gfs2_get_tree+0x54/0x1b4 [ 217.432572][ T6645] vfs_get_tree+0x90/0x274 [ 217.433346][ T6645] do_new_mount+0x228/0x810 [ 217.434106][ T6645] path_mount+0x5bc/0x1008 [ 217.434878][ T6645] __arm64_sys_mount+0x514/0x5f0 [ 217.435686][ T6645] invoke_syscall+0x98/0x2b0 [ 217.436419][ T6645] el0_svc_common+0x138/0x258 [ 217.437162][ T6645] do_el0_svc+0x58/0x13c [ 217.437933][ T6645] el0_svc+0x78/0x1d0 [ 217.438627][ T6645] el0t_64_sync_handler+0xcc/0xe4 [ 217.439512][ T6645] el0t_64_sync+0x1a0/0x1a4 [ 217.441225][ T6645] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.443312][ T6645] gfs2: fsid=](_: error -17 adding sysfs files [ 217.639367][ T6648] loop1: detected capacity change from 0 to 32768 [ 217.690136][ T6648] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.691432][ T6648] CPU: 1 PID: 6648 Comm: syz.1.572 Not tainted syzkaller #0 [ 217.692662][ T6648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.694253][ T6648] Call trace: [ 217.694791][ T6648] dump_backtrace+0x0/0x458 [ 217.695533][ T6648] show_stack+0x2c/0x3c [ 217.696291][ T6648] __dump_stack+0x30/0x40 [ 217.697133][ T6648] dump_stack_lvl+0xf4/0x15c [ 217.697945][ T6648] dump_stack+0x1c/0x5c [ 217.698670][ T6648] sysfs_create_dir_ns+0x244/0x264 [ 217.699540][ T6648] kobject_add_internal+0x5ac/0xc3c [ 217.700414][ T6648] kobject_init_and_add+0x124/0x190 [ 217.701398][ T6648] gfs2_sys_fs_add+0x200/0x41c [ 217.702220][ T6648] gfs2_fill_super+0xddc/0x1a18 [ 217.703084][ T6648] get_tree_bdev+0x358/0x544 [ 217.703897][ T6648] gfs2_get_tree+0x54/0x1b4 [ 217.704692][ T6648] vfs_get_tree+0x90/0x274 [ 217.705516][ T6648] do_new_mount+0x228/0x810 [ 217.706291][ T6648] path_mount+0x5bc/0x1008 [ 217.707057][ T6648] __arm64_sys_mount+0x514/0x5f0 [ 217.707847][ T6648] invoke_syscall+0x98/0x2b0 [ 217.708624][ T6648] el0_svc_common+0x138/0x258 [ 217.709472][ T6648] do_el0_svc+0x58/0x13c [ 217.710192][ T6648] el0_svc+0x78/0x1d0 [ 217.710890][ T6648] el0t_64_sync_handler+0xcc/0xe4 [ 217.711786][ T6648] el0t_64_sync+0x1a0/0x1a4 [ 217.714217][ T6648] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.716233][ T6648] gfs2: fsid=](_: error -17 adding sysfs files [ 217.855903][ T6651] loop1: detected capacity change from 0 to 32768 [ 217.863198][ T6651] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.864395][ T6651] CPU: 0 PID: 6651 Comm: syz.1.573 Not tainted syzkaller #0 [ 217.865571][ T6651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 217.867231][ T6651] Call trace: [ 217.867734][ T6651] dump_backtrace+0x0/0x458 [ 217.868436][ T6651] show_stack+0x2c/0x3c [ 217.869071][ T6651] __dump_stack+0x30/0x40 [ 217.869738][ T6651] dump_stack_lvl+0xf4/0x15c [ 217.870505][ T6651] dump_stack+0x1c/0x5c [ 217.871150][ T6651] sysfs_create_dir_ns+0x244/0x264 [ 217.871990][ T6651] kobject_add_internal+0x5ac/0xc3c [ 217.872806][ T6651] kobject_init_and_add+0x124/0x190 [ 217.873664][ T6651] gfs2_sys_fs_add+0x200/0x41c [ 217.874542][ T6651] gfs2_fill_super+0xddc/0x1a18 [ 217.875361][ T6651] get_tree_bdev+0x358/0x544 [ 217.876103][ T6651] gfs2_get_tree+0x54/0x1b4 [ 217.876834][ T6651] vfs_get_tree+0x90/0x274 [ 217.877582][ T6651] do_new_mount+0x228/0x810 [ 217.878398][ T6651] path_mount+0x5bc/0x1008 [ 217.879167][ T6651] __arm64_sys_mount+0x514/0x5f0 [ 217.880016][ T6651] invoke_syscall+0x98/0x2b0 [ 217.880831][ T6651] el0_svc_common+0x138/0x258 [ 217.881666][ T6651] do_el0_svc+0x58/0x13c [ 217.882435][ T6651] el0_svc+0x78/0x1d0 [ 217.883120][ T6651] el0t_64_sync_handler+0xcc/0xe4 [ 217.883972][ T6651] el0t_64_sync+0x1a0/0x1a4 [ 217.884972][ T6651] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.887123][ T6651] gfs2: fsid=](_: error -17 adding sysfs files [ 218.144686][ T6654] loop1: detected capacity change from 0 to 32768 [ 218.187041][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.188330][ T6654] CPU: 0 PID: 6654 Comm: syz.1.574 Not tainted syzkaller #0 [ 218.189579][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.191198][ T6654] Call trace: [ 218.191699][ T6654] dump_backtrace+0x0/0x458 [ 218.192410][ T6654] show_stack+0x2c/0x3c [ 218.193184][ T6654] __dump_stack+0x30/0x40 [ 218.193980][ T6654] dump_stack_lvl+0xf4/0x15c [ 218.194771][ T6654] dump_stack+0x1c/0x5c [ 218.195519][ T6654] sysfs_create_dir_ns+0x244/0x264 [ 218.196356][ T6654] kobject_add_internal+0x5ac/0xc3c [ 218.197255][ T6654] kobject_init_and_add+0x124/0x190 [ 218.198163][ T6654] gfs2_sys_fs_add+0x200/0x41c [ 218.198945][ T6654] gfs2_fill_super+0xddc/0x1a18 [ 218.199852][ T6654] get_tree_bdev+0x358/0x544 [ 218.200664][ T6654] gfs2_get_tree+0x54/0x1b4 [ 218.201415][ T6654] vfs_get_tree+0x90/0x274 [ 218.202250][ T6654] do_new_mount+0x228/0x810 [ 218.203069][ T6654] path_mount+0x5bc/0x1008 [ 218.203838][ T6654] __arm64_sys_mount+0x514/0x5f0 [ 218.204763][ T6654] invoke_syscall+0x98/0x2b0 [ 218.205600][ T6654] el0_svc_common+0x138/0x258 [ 218.206422][ T6654] do_el0_svc+0x58/0x13c [ 218.207186][ T6654] el0_svc+0x78/0x1d0 [ 218.207883][ T6654] el0t_64_sync_handler+0xcc/0xe4 [ 218.208795][ T6654] el0t_64_sync+0x1a0/0x1a4 [ 218.210456][ T6654] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.212597][ T6654] gfs2: fsid=](_: error -17 adding sysfs files [ 218.360886][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.362162][ T6657] CPU: 1 PID: 6657 Comm: syz.1.575 Not tainted syzkaller #0 [ 218.363359][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.365135][ T6657] Call trace: [ 218.365734][ T6657] dump_backtrace+0x0/0x458 [ 218.366471][ T6657] show_stack+0x2c/0x3c [ 218.367222][ T6657] __dump_stack+0x30/0x40 [ 218.367972][ T6657] dump_stack_lvl+0xf4/0x15c [ 218.368718][ T6657] dump_stack+0x1c/0x5c [ 218.369460][ T6657] sysfs_create_dir_ns+0x244/0x264 [ 218.370422][ T6657] kobject_add_internal+0x5ac/0xc3c [ 218.371339][ T6657] kobject_init_and_add+0x124/0x190 [ 218.372255][ T6657] gfs2_sys_fs_add+0x200/0x41c [ 218.373132][ T6657] gfs2_fill_super+0xddc/0x1a18 [ 218.373981][ T6657] get_tree_bdev+0x358/0x544 [ 218.374750][ T6657] gfs2_get_tree+0x54/0x1b4 [ 218.375554][ T6657] vfs_get_tree+0x90/0x274 [ 218.376287][ T6657] do_new_mount+0x228/0x810 [ 218.377068][ T6657] path_mount+0x5bc/0x1008 [ 218.377813][ T6657] __arm64_sys_mount+0x514/0x5f0 [ 218.378685][ T6657] invoke_syscall+0x98/0x2b0 [ 218.379510][ T6657] el0_svc_common+0x138/0x258 [ 218.380332][ T6657] do_el0_svc+0x58/0x13c [ 218.381049][ T6657] el0_svc+0x78/0x1d0 [ 218.381731][ T6657] el0t_64_sync_handler+0xcc/0xe4 [ 218.382570][ T6657] el0t_64_sync+0x1a0/0x1a4 [ 218.385112][ T6657] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.387303][ T6657] gfs2: fsid=](_: error -17 adding sysfs files [ 218.530241][ T6660] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.531537][ T6660] CPU: 0 PID: 6660 Comm: syz.1.576 Not tainted syzkaller #0 [ 218.532775][ T6660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.534508][ T6660] Call trace: [ 218.535044][ T6660] dump_backtrace+0x0/0x458 [ 218.535806][ T6660] show_stack+0x2c/0x3c [ 218.536557][ T6660] __dump_stack+0x30/0x40 [ 218.537347][ T6660] dump_stack_lvl+0xf4/0x15c [ 218.538139][ T6660] dump_stack+0x1c/0x5c [ 218.538835][ T6660] sysfs_create_dir_ns+0x244/0x264 [ 218.539702][ T6660] kobject_add_internal+0x5ac/0xc3c [ 218.540647][ T6660] kobject_init_and_add+0x124/0x190 [ 218.541580][ T6660] gfs2_sys_fs_add+0x200/0x41c [ 218.542437][ T6660] gfs2_fill_super+0xddc/0x1a18 [ 218.543282][ T6660] get_tree_bdev+0x358/0x544 [ 218.544125][ T6660] gfs2_get_tree+0x54/0x1b4 [ 218.544949][ T6660] vfs_get_tree+0x90/0x274 [ 218.545776][ T6660] do_new_mount+0x228/0x810 [ 218.546580][ T6660] path_mount+0x5bc/0x1008 [ 218.547412][ T6660] __arm64_sys_mount+0x514/0x5f0 [ 218.548340][ T6660] invoke_syscall+0x98/0x2b0 [ 218.549123][ T6660] el0_svc_common+0x138/0x258 [ 218.549891][ T6660] do_el0_svc+0x58/0x13c [ 218.550596][ T6660] el0_svc+0x78/0x1d0 [ 218.551236][ T6660] el0t_64_sync_handler+0xcc/0xe4 [ 218.552112][ T6660] el0t_64_sync+0x1a0/0x1a4 [ 218.555885][ T6660] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.558225][ T6660] gfs2: fsid=](_: error -17 adding sysfs files [ 218.773801][ T6663] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.775095][ T6663] CPU: 0 PID: 6663 Comm: syz.1.577 Not tainted syzkaller #0 [ 218.776289][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.778101][ T6663] Call trace: [ 218.778654][ T6663] dump_backtrace+0x0/0x458 [ 218.779502][ T6663] show_stack+0x2c/0x3c [ 218.780206][ T6663] __dump_stack+0x30/0x40 [ 218.780985][ T6663] dump_stack_lvl+0xf4/0x15c [ 218.781806][ T6663] dump_stack+0x1c/0x5c [ 218.782501][ T6663] sysfs_create_dir_ns+0x244/0x264 [ 218.783387][ T6663] kobject_add_internal+0x5ac/0xc3c [ 218.784265][ T6663] kobject_init_and_add+0x124/0x190 [ 218.785169][ T6663] gfs2_sys_fs_add+0x200/0x41c [ 218.785984][ T6663] gfs2_fill_super+0xddc/0x1a18 [ 218.786893][ T6663] get_tree_bdev+0x358/0x544 [ 218.787674][ T6663] gfs2_get_tree+0x54/0x1b4 [ 218.788458][ T6663] vfs_get_tree+0x90/0x274 [ 218.789216][ T6663] do_new_mount+0x228/0x810 [ 218.790045][ T6663] path_mount+0x5bc/0x1008 [ 218.790879][ T6663] __arm64_sys_mount+0x514/0x5f0 [ 218.791664][ T6663] invoke_syscall+0x98/0x2b0 [ 218.792423][ T6663] el0_svc_common+0x138/0x258 [ 218.793277][ T6663] do_el0_svc+0x58/0x13c [ 218.793966][ T6663] el0_svc+0x78/0x1d0 [ 218.794693][ T6663] el0t_64_sync_handler+0xcc/0xe4 [ 218.795590][ T6663] el0t_64_sync+0x1a0/0x1a4 [ 218.798024][ T6663] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.799934][ T6663] gfs2: fsid=](_: error -17 adding sysfs files [ 218.992511][ T6666] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.993819][ T6666] CPU: 0 PID: 6666 Comm: syz.1.578 Not tainted syzkaller #0 [ 218.995067][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 218.996710][ T6666] Call trace: [ 218.997248][ T6666] dump_backtrace+0x0/0x458 [ 218.998015][ T6666] show_stack+0x2c/0x3c [ 218.998779][ T6666] __dump_stack+0x30/0x40 [ 218.999540][ T6666] dump_stack_lvl+0xf4/0x15c [ 219.000300][ T6666] dump_stack+0x1c/0x5c [ 219.001050][ T6666] sysfs_create_dir_ns+0x244/0x264 [ 219.001937][ T6666] kobject_add_internal+0x5ac/0xc3c [ 219.002867][ T6666] kobject_init_and_add+0x124/0x190 [ 219.003825][ T6666] gfs2_sys_fs_add+0x200/0x41c [ 219.004678][ T6666] gfs2_fill_super+0xddc/0x1a18 [ 219.005471][ T6666] get_tree_bdev+0x358/0x544 [ 219.006268][ T6666] gfs2_get_tree+0x54/0x1b4 [ 219.007052][ T6666] vfs_get_tree+0x90/0x274 [ 219.007800][ T6666] do_new_mount+0x228/0x810 [ 219.008529][ T6666] path_mount+0x5bc/0x1008 [ 219.009300][ T6666] __arm64_sys_mount+0x514/0x5f0 [ 219.010097][ T6666] invoke_syscall+0x98/0x2b0 [ 219.010911][ T6666] el0_svc_common+0x138/0x258 [ 219.011753][ T6666] do_el0_svc+0x58/0x13c [ 219.012419][ T6666] el0_svc+0x78/0x1d0 [ 219.013137][ T6666] el0t_64_sync_handler+0xcc/0xe4 [ 219.013968][ T6666] el0t_64_sync+0x1a0/0x1a4 [ 219.016214][ T6666] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.018361][ T6666] gfs2: fsid=](_: error -17 adding sysfs files [ 219.223554][ T6669] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.224820][ T6669] CPU: 1 PID: 6669 Comm: syz.1.579 Not tainted syzkaller #0 [ 219.226153][ T6669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.227830][ T6669] Call trace: [ 219.228413][ T6669] dump_backtrace+0x0/0x458 [ 219.229209][ T6669] show_stack+0x2c/0x3c [ 219.229929][ T6669] __dump_stack+0x30/0x40 [ 219.230708][ T6669] dump_stack_lvl+0xf4/0x15c [ 219.231507][ T6669] dump_stack+0x1c/0x5c [ 219.232264][ T6669] sysfs_create_dir_ns+0x244/0x264 [ 219.233131][ T6669] kobject_add_internal+0x5ac/0xc3c [ 219.234093][ T6669] kobject_init_and_add+0x124/0x190 [ 219.234989][ T6669] gfs2_sys_fs_add+0x200/0x41c [ 219.235840][ T6669] gfs2_fill_super+0xddc/0x1a18 [ 219.236689][ T6669] get_tree_bdev+0x358/0x544 [ 219.237496][ T6669] gfs2_get_tree+0x54/0x1b4 [ 219.238252][ T6669] vfs_get_tree+0x90/0x274 [ 219.239038][ T6669] do_new_mount+0x228/0x810 [ 219.239847][ T6669] path_mount+0x5bc/0x1008 [ 219.240662][ T6669] __arm64_sys_mount+0x514/0x5f0 [ 219.241522][ T6669] invoke_syscall+0x98/0x2b0 [ 219.242309][ T6669] el0_svc_common+0x138/0x258 [ 219.243132][ T6669] do_el0_svc+0x58/0x13c [ 219.243866][ T6669] el0_svc+0x78/0x1d0 [ 219.244556][ T6669] el0t_64_sync_handler+0xcc/0xe4 [ 219.245449][ T6669] el0t_64_sync+0x1a0/0x1a4 [ 219.248282][ T6669] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.250315][ T6669] gfs2: fsid=](_: error -17 adding sysfs files [ 219.483628][ T6672] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.484822][ T6672] CPU: 0 PID: 6672 Comm: syz.1.580 Not tainted syzkaller #0 [ 219.486026][ T6672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.487903][ T6672] Call trace: [ 219.488518][ T6672] dump_backtrace+0x0/0x458 [ 219.489349][ T6672] show_stack+0x2c/0x3c [ 219.490072][ T6672] __dump_stack+0x30/0x40 [ 219.490780][ T6672] dump_stack_lvl+0xf4/0x15c [ 219.491574][ T6672] dump_stack+0x1c/0x5c [ 219.492288][ T6672] sysfs_create_dir_ns+0x244/0x264 [ 219.493257][ T6672] kobject_add_internal+0x5ac/0xc3c [ 219.494180][ T6672] kobject_init_and_add+0x124/0x190 [ 219.495106][ T6672] gfs2_sys_fs_add+0x200/0x41c [ 219.495935][ T6672] gfs2_fill_super+0xddc/0x1a18 [ 219.496772][ T6672] get_tree_bdev+0x358/0x544 [ 219.497548][ T6672] gfs2_get_tree+0x54/0x1b4 [ 219.498295][ T6672] vfs_get_tree+0x90/0x274 [ 219.499038][ T6672] do_new_mount+0x228/0x810 [ 219.499773][ T6672] path_mount+0x5bc/0x1008 [ 219.500542][ T6672] __arm64_sys_mount+0x514/0x5f0 [ 219.501428][ T6672] invoke_syscall+0x98/0x2b0 [ 219.502299][ T6672] el0_svc_common+0x138/0x258 [ 219.503140][ T6672] do_el0_svc+0x58/0x13c [ 219.503879][ T6672] el0_svc+0x78/0x1d0 [ 219.504632][ T6672] el0t_64_sync_handler+0xcc/0xe4 [ 219.505510][ T6672] el0t_64_sync+0x1a0/0x1a4 [ 219.506354][ T6672] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.508911][ T6672] gfs2: fsid=](_: error -17 adding sysfs files [ 219.654497][ T6675] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.655970][ T6675] CPU: 1 PID: 6675 Comm: syz.1.581 Not tainted syzkaller #0 [ 219.657116][ T6675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.658921][ T6675] Call trace: [ 219.659507][ T6675] dump_backtrace+0x0/0x458 [ 219.660383][ T6675] show_stack+0x2c/0x3c [ 219.661060][ T6675] __dump_stack+0x30/0x40 [ 219.661767][ T6675] dump_stack_lvl+0xf4/0x15c [ 219.662582][ T6675] dump_stack+0x1c/0x5c [ 219.663364][ T6675] sysfs_create_dir_ns+0x244/0x264 [ 219.664260][ T6675] kobject_add_internal+0x5ac/0xc3c [ 219.665196][ T6675] kobject_init_and_add+0x124/0x190 [ 219.666092][ T6675] gfs2_sys_fs_add+0x200/0x41c [ 219.666883][ T6675] gfs2_fill_super+0xddc/0x1a18 [ 219.667667][ T6675] get_tree_bdev+0x358/0x544 [ 219.668444][ T6675] gfs2_get_tree+0x54/0x1b4 [ 219.669187][ T6675] vfs_get_tree+0x90/0x274 [ 219.669900][ T6675] do_new_mount+0x228/0x810 [ 219.670695][ T6675] path_mount+0x5bc/0x1008 [ 219.671419][ T6675] __arm64_sys_mount+0x514/0x5f0 [ 219.672225][ T6675] invoke_syscall+0x98/0x2b0 [ 219.673000][ T6675] el0_svc_common+0x138/0x258 [ 219.673809][ T6675] do_el0_svc+0x58/0x13c [ 219.674521][ T6675] el0_svc+0x78/0x1d0 [ 219.675171][ T6675] el0t_64_sync_handler+0xcc/0xe4 [ 219.676088][ T6675] el0t_64_sync+0x1a0/0x1a4 [ 219.677010][ T6675] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.679059][ T6675] gfs2: fsid=](_: error -17 adding sysfs files [ 219.894069][ T6678] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.895365][ T6678] CPU: 1 PID: 6678 Comm: syz.1.582 Not tainted syzkaller #0 [ 219.896595][ T6678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 219.898274][ T6678] Call trace: [ 219.898874][ T6678] dump_backtrace+0x0/0x458 [ 219.899680][ T6678] show_stack+0x2c/0x3c [ 219.900376][ T6678] __dump_stack+0x30/0x40 [ 219.901179][ T6678] dump_stack_lvl+0xf4/0x15c [ 219.901967][ T6678] dump_stack+0x1c/0x5c [ 219.902741][ T6678] sysfs_create_dir_ns+0x244/0x264 [ 219.903600][ T6678] kobject_add_internal+0x5ac/0xc3c [ 219.904508][ T6678] kobject_init_and_add+0x124/0x190 [ 219.905359][ T6678] gfs2_sys_fs_add+0x200/0x41c [ 219.906159][ T6678] gfs2_fill_super+0xddc/0x1a18 [ 219.906982][ T6678] get_tree_bdev+0x358/0x544 [ 219.907819][ T6678] gfs2_get_tree+0x54/0x1b4 [ 219.908575][ T6678] vfs_get_tree+0x90/0x274 [ 219.909371][ T6678] do_new_mount+0x228/0x810 [ 219.910189][ T6678] path_mount+0x5bc/0x1008 [ 219.910959][ T6678] __arm64_sys_mount+0x514/0x5f0 [ 219.911817][ T6678] invoke_syscall+0x98/0x2b0 [ 219.912590][ T6678] el0_svc_common+0x138/0x258 [ 219.913375][ T6678] do_el0_svc+0x58/0x13c [ 219.914133][ T6678] el0_svc+0x78/0x1d0 [ 219.914882][ T6678] el0t_64_sync_handler+0xcc/0xe4 [ 219.915747][ T6678] el0t_64_sync+0x1a0/0x1a4 [ 219.917588][ T6678] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.919645][ T6678] gfs2: fsid=](_: error -17 adding sysfs files [ 220.092563][ T6681] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.093831][ T6681] CPU: 1 PID: 6681 Comm: syz.1.583 Not tainted syzkaller #0 [ 220.094972][ T6681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 220.096685][ T6681] Call trace: [ 220.097232][ T6681] dump_backtrace+0x0/0x458 [ 220.098041][ T6681] show_stack+0x2c/0x3c [ 220.098787][ T6681] __dump_stack+0x30/0x40 [ 220.099521][ T6681] dump_stack_lvl+0xf4/0x15c [ 220.100304][ T6681] dump_stack+0x1c/0x5c [ 220.101036][ T6681] sysfs_create_dir_ns+0x244/0x264 [ 220.101914][ T6681] kobject_add_internal+0x5ac/0xc3c [ 220.102842][ T6681] kobject_init_and_add+0x124/0x190 [ 220.103738][ T6681] gfs2_sys_fs_add+0x200/0x41c [ 220.104602][ T6681] gfs2_fill_super+0xddc/0x1a18 [ 220.105443][ T6681] get_tree_bdev+0x358/0x544 [ 220.106205][ T6681] gfs2_get_tree+0x54/0x1b4 [ 220.107023][ T6681] vfs_get_tree+0x90/0x274 [ 220.107822][ T6681] do_new_mount+0x228/0x810 [ 220.108546][ T6681] path_mount+0x5bc/0x1008 [ 220.109312][ T6681] __arm64_sys_mount+0x514/0x5f0 [ 220.110234][ T6681] invoke_syscall+0x98/0x2b0 [ 220.111042][ T6681] el0_svc_common+0x138/0x258 [ 220.111794][ T6681] do_el0_svc+0x58/0x13c [ 220.112514][ T6681] el0_svc+0x78/0x1d0 [ 220.113172][ T6681] el0t_64_sync_handler+0xcc/0xe4 [ 220.114019][ T6681] el0t_64_sync+0x1a0/0x1a4 [ 220.116689][ T6681] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.118876][ T6681] gfs2: fsid=](_: error -17 adding sysfs files [ 220.157004][ T4082] Bluetooth: hci1: command 0x0406 tx timeout [ 220.288452][ T6684] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.289699][ T6684] CPU: 0 PID: 6684 Comm: syz.1.584 Not tainted syzkaller #0 [ 220.290918][ T6684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 220.292646][ T6684] Call trace: [ 220.293156][ T6684] dump_backtrace+0x0/0x458 [ 220.293881][ T6684] show_stack+0x2c/0x3c [ 220.294578][ T6684] __dump_stack+0x30/0x40 [ 220.295349][ T6684] dump_stack_lvl+0xf4/0x15c [ 220.296143][ T6684] dump_stack+0x1c/0x5c [ 220.296869][ T6684] sysfs_create_dir_ns+0x244/0x264 [ 220.297806][ T6684] kobject_add_internal+0x5ac/0xc3c [ 220.298646][ T6684] kobject_init_and_add+0x124/0x190 [ 220.299499][ T6684] gfs2_sys_fs_add+0x200/0x41c [ 220.300282][ T6684] gfs2_fill_super+0xddc/0x1a18 [ 220.301138][ T6684] get_tree_bdev+0x358/0x544 [ 220.301963][ T6684] gfs2_get_tree+0x54/0x1b4 [ 220.302733][ T6684] vfs_get_tree+0x90/0x274 [ 220.303465][ T6684] do_new_mount+0x228/0x810 [ 220.304211][ T6684] path_mount+0x5bc/0x1008 [ 220.304993][ T6684] __arm64_sys_mount+0x514/0x5f0 [ 220.305866][ T6684] invoke_syscall+0x98/0x2b0 [ 220.306644][ T6684] el0_svc_common+0x138/0x258 [ 220.307408][ T6684] do_el0_svc+0x58/0x13c [ 220.308150][ T6684] el0_svc+0x78/0x1d0 [ 220.308835][ T6684] el0t_64_sync_handler+0xcc/0xe4 [ 220.309645][ T6684] el0t_64_sync+0x1a0/0x1a4 [ 220.312177][ T6684] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.314289][ T6684] gfs2: fsid=](_: error -17 adding sysfs files [ 220.514225][ T6687] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.515588][ T6687] CPU: 0 PID: 6687 Comm: syz.1.585 Not tainted syzkaller #0 [ 220.516824][ T6687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 220.518466][ T6687] Call trace: [ 220.519011][ T6687] dump_backtrace+0x0/0x458 [ 220.519808][ T6687] show_stack+0x2c/0x3c [ 220.520511][ T6687] __dump_stack+0x30/0x40 [ 220.521252][ T6687] dump_stack_lvl+0xf4/0x15c [ 220.522010][ T6687] dump_stack+0x1c/0x5c [ 220.522785][ T6687] sysfs_create_dir_ns+0x244/0x264 [ 220.523635][ T6687] kobject_add_internal+0x5ac/0xc3c [ 220.524476][ T6687] kobject_init_and_add+0x124/0x190 [ 220.525297][ T6687] gfs2_sys_fs_add+0x200/0x41c [ 220.526130][ T6687] gfs2_fill_super+0xddc/0x1a18 [ 220.526940][ T6687] get_tree_bdev+0x358/0x544 [ 220.527672][ T6687] gfs2_get_tree+0x54/0x1b4 [ 220.528403][ T6687] vfs_get_tree+0x90/0x274 [ 220.529162][ T6687] do_new_mount+0x228/0x810 [ 220.529914][ T6687] path_mount+0x5bc/0x1008 [ 220.530727][ T6687] __arm64_sys_mount+0x514/0x5f0 [ 220.531492][ T6687] invoke_syscall+0x98/0x2b0 [ 220.532226][ T6687] el0_svc_common+0x138/0x258 [ 220.532974][ T6687] do_el0_svc+0x58/0x13c [ 220.533636][ T6687] el0_svc+0x78/0x1d0 [ 220.534304][ T6687] el0t_64_sync_handler+0xcc/0xe4 [ 220.535132][ T6687] el0t_64_sync+0x1a0/0x1a4 [ 220.537457][ T6687] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.539510][ T6687] gfs2: fsid=](_: error -17 adding sysfs files [ 220.732098][ T6690] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.733339][ T6690] CPU: 0 PID: 6690 Comm: syz.1.586 Not tainted syzkaller #0 [ 220.734566][ T6690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 220.736305][ T6690] Call trace: [ 220.736906][ T6690] dump_backtrace+0x0/0x458 [ 220.737753][ T6690] show_stack+0x2c/0x3c [ 220.738454][ T6690] __dump_stack+0x30/0x40 [ 220.739216][ T6690] dump_stack_lvl+0xf4/0x15c [ 220.740046][ T6690] dump_stack+0x1c/0x5c [ 220.740831][ T6690] sysfs_create_dir_ns+0x244/0x264 [ 220.741803][ T6690] kobject_add_internal+0x5ac/0xc3c [ 220.742707][ T6690] kobject_init_and_add+0x124/0x190 [ 220.743619][ T6690] gfs2_sys_fs_add+0x200/0x41c [ 220.744447][ T6690] gfs2_fill_super+0xddc/0x1a18 [ 220.745288][ T6690] get_tree_bdev+0x358/0x544 [ 220.746063][ T6690] gfs2_get_tree+0x54/0x1b4 [ 220.746859][ T6690] vfs_get_tree+0x90/0x274 [ 220.747627][ T6690] do_new_mount+0x228/0x810 [ 220.748421][ T6690] path_mount+0x5bc/0x1008 [ 220.749183][ T6690] __arm64_sys_mount+0x514/0x5f0 [ 220.750026][ T6690] invoke_syscall+0x98/0x2b0 [ 220.750820][ T6690] el0_svc_common+0x138/0x258 [ 220.751622][ T6690] do_el0_svc+0x58/0x13c [ 220.752401][ T6690] el0_svc+0x78/0x1d0 [ 220.753101][ T6690] el0t_64_sync_handler+0xcc/0xe4 [ 220.754034][ T6690] el0t_64_sync+0x1a0/0x1a4 [ 220.756381][ T6690] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.758648][ T6690] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 573 [ 220.906613][ T6693] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.908240][ T6693] CPU: 1 PID: 6693 Comm: syz.1.587 Not tainted syzkaller #0 [ 220.909512][ T6693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 220.911114][ T6693] Call trace: [ 220.911646][ T6693] dump_backtrace+0x0/0x458 [ 220.912489][ T6693] show_stack+0x2c/0x3c [ 220.913227][ T6693] __dump_stack+0x30/0x40 [ 220.913996][ T6693] dump_stack_lvl+0xf4/0x15c [ 220.914824][ T6693] dump_stack+0x1c/0x5c [ 220.915544][ T6693] sysfs_create_dir_ns+0x244/0x264 [ 220.916425][ T6693] kobject_add_internal+0x5ac/0xc3c [ 220.917396][ T6693] kobject_init_and_add+0x124/0x190 [ 220.918294][ T6693] gfs2_sys_fs_add+0x200/0x41c [ 220.919087][ T6693] gfs2_fill_super+0xddc/0x1a18 [ 220.919884][ T6693] get_tree_bdev+0x358/0x544 [ 220.920628][ T6693] gfs2_get_tree+0x54/0x1b4 [ 220.921447][ T6693] vfs_get_tree+0x90/0x274 [ 220.922186][ T6693] do_new_mount+0x228/0x810 [ 220.922932][ T6693] path_mount+0x5bc/0x1008 [ 220.923650][ T6693] __arm64_sys_mount+0x514/0x5f0 [ 220.924594][ T6693] invoke_syscall+0x98/0x2b0 [ 220.925388][ T6693] el0_svc_common+0x138/0x258 [ 220.926212][ T6693] do_el0_svc+0x58/0x13c [ 220.926944][ T6693] el0_svc+0x78/0x1d0 [ 220.927658][ T6693] el0t_64_sync_handler+0xcc/0xe4 [ 220.928495][ T6693] el0t_64_sync+0x1a0/0x1a4 [ 220.930932][ T6693] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.932875][ T6693] gfs2: fsid=](_: error -17 adding sysfs files [ 221.163033][ T6696] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.164299][ T6696] CPU: 0 PID: 6696 Comm: syz.1.588 Not tainted syzkaller #0 [ 221.165624][ T6696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.167358][ T6696] Call trace: [ 221.167903][ T6696] dump_backtrace+0x0/0x458 [ 221.168657][ T6696] show_stack+0x2c/0x3c [ 221.169397][ T6696] __dump_stack+0x30/0x40 [ 221.170125][ T6696] dump_stack_lvl+0xf4/0x15c [ 221.170937][ T6696] dump_stack+0x1c/0x5c [ 221.171590][ T6696] sysfs_create_dir_ns+0x244/0x264 [ 221.172408][ T6696] kobject_add_internal+0x5ac/0xc3c [ 221.173256][ T6696] kobject_init_and_add+0x124/0x190 [ 221.174119][ T6696] gfs2_sys_fs_add+0x200/0x41c [ 221.174951][ T6696] gfs2_fill_super+0xddc/0x1a18 [ 221.175792][ T6696] get_tree_bdev+0x358/0x544 [ 221.176582][ T6696] gfs2_get_tree+0x54/0x1b4 [ 221.177359][ T6696] vfs_get_tree+0x90/0x274 [ 221.178136][ T6696] do_new_mount+0x228/0x810 [ 221.178956][ T6696] path_mount+0x5bc/0x1008 [ 221.179705][ T6696] __arm64_sys_mount+0x514/0x5f0 [ 221.180542][ T6696] invoke_syscall+0x98/0x2b0 [ 221.181294][ T6696] el0_svc_common+0x138/0x258 [ 221.182164][ T6696] do_el0_svc+0x58/0x13c [ 221.182887][ T6696] el0_svc+0x78/0x1d0 [ 221.183569][ T6696] el0t_64_sync_handler+0xcc/0xe4 [ 221.184391][ T6696] el0t_64_sync+0x1a0/0x1a4 [ 221.185944][ T6696] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.188451][ T6696] gfs2: fsid=](_: error -17 adding sysfs files [ 221.331100][ T6699] set_capacity_and_notify: 14 callbacks suppressed [ 221.331112][ T6699] loop1: detected capacity change from 0 to 32768 [ 221.340672][ T6699] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.343124][ T6699] CPU: 1 PID: 6699 Comm: syz.1.589 Not tainted syzkaller #0 [ 221.344331][ T6699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.346138][ T6699] Call trace: [ 221.346671][ T6699] dump_backtrace+0x0/0x458 [ 221.347474][ T6699] show_stack+0x2c/0x3c [ 221.348192][ T6699] __dump_stack+0x30/0x40 [ 221.348976][ T6699] dump_stack_lvl+0xf4/0x15c [ 221.349751][ T6699] dump_stack+0x1c/0x5c [ 221.350468][ T6699] sysfs_create_dir_ns+0x244/0x264 [ 221.351324][ T6699] kobject_add_internal+0x5ac/0xc3c [ 221.352234][ T6699] kobject_init_and_add+0x124/0x190 [ 221.353087][ T6699] gfs2_sys_fs_add+0x200/0x41c [ 221.353866][ T6699] gfs2_fill_super+0xddc/0x1a18 [ 221.354687][ T6699] get_tree_bdev+0x358/0x544 [ 221.355494][ T6699] gfs2_get_tree+0x54/0x1b4 [ 221.356293][ T6699] vfs_get_tree+0x90/0x274 [ 221.357046][ T6699] do_new_mount+0x228/0x810 [ 221.357795][ T6699] path_mount+0x5bc/0x1008 [ 221.358536][ T6699] __arm64_sys_mount+0x514/0x5f0 [ 221.359350][ T6699] invoke_syscall+0x98/0x2b0 [ 221.360131][ T6699] el0_svc_common+0x138/0x258 [ 221.360888][ T6699] do_el0_svc+0x58/0x13c [ 221.361678][ T6699] el0_svc+0x78/0x1d0 [ 221.362385][ T6699] el0t_64_sync_handler+0xcc/0xe4 [ 221.363245][ T6699] el0t_64_sync+0x1a0/0x1a4 [ 221.365200][ T6699] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.367424][ T6699] gfs2: fsid=](_: error -17 adding sysfs files [ 221.559072][ T6702] loop1: detected capacity change from 0 to 32768 [ 221.588993][ T6702] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.590071][ T6702] CPU: 1 PID: 6702 Comm: syz.1.590 Not tainted syzkaller #0 [ 221.591316][ T6702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.592974][ T6702] Call trace: [ 221.593515][ T6702] dump_backtrace+0x0/0x458 [ 221.594286][ T6702] show_stack+0x2c/0x3c [ 221.594969][ T6702] __dump_stack+0x30/0x40 [ 221.595695][ T6702] dump_stack_lvl+0xf4/0x15c [ 221.596504][ T6702] dump_stack+0x1c/0x5c [ 221.597249][ T6702] sysfs_create_dir_ns+0x244/0x264 [ 221.598112][ T6702] kobject_add_internal+0x5ac/0xc3c [ 221.599094][ T6702] kobject_init_and_add+0x124/0x190 [ 221.599988][ T6702] gfs2_sys_fs_add+0x200/0x41c [ 221.600876][ T6702] gfs2_fill_super+0xddc/0x1a18 [ 221.601754][ T6702] get_tree_bdev+0x358/0x544 [ 221.602556][ T6702] gfs2_get_tree+0x54/0x1b4 [ 221.603373][ T6702] vfs_get_tree+0x90/0x274 [ 221.604126][ T6702] do_new_mount+0x228/0x810 [ 221.604883][ T6702] path_mount+0x5bc/0x1008 [ 221.605677][ T6702] __arm64_sys_mount+0x514/0x5f0 [ 221.606464][ T6702] invoke_syscall+0x98/0x2b0 [ 221.607180][ T6702] el0_svc_common+0x138/0x258 [ 221.607934][ T6702] do_el0_svc+0x58/0x13c [ 221.608726][ T6702] el0_svc+0x78/0x1d0 [ 221.609407][ T6702] el0t_64_sync_handler+0xcc/0xe4 [ 221.610266][ T6702] el0t_64_sync+0x1a0/0x1a4 [ 221.612816][ T6702] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.614844][ T6702] gfs2: fsid=](_: error -17 adding sysfs files [ 221.746879][ T6705] loop1: detected capacity change from 0 to 32768 [ 221.857579][ T6705] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.858988][ T6705] CPU: 1 PID: 6705 Comm: syz.1.591 Not tainted syzkaller #0 [ 221.860234][ T6705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 221.861861][ T6705] Call trace: [ 221.862427][ T6705] dump_backtrace+0x0/0x458 [ 221.863178][ T6705] show_stack+0x2c/0x3c [ 221.863888][ T6705] __dump_stack+0x30/0x40 [ 221.864707][ T6705] dump_stack_lvl+0xf4/0x15c [ 221.865423][ T6705] dump_stack+0x1c/0x5c [ 221.866076][ T6705] sysfs_create_dir_ns+0x244/0x264 [ 221.866979][ T6705] kobject_add_internal+0x5ac/0xc3c [ 221.867831][ T6705] kobject_init_and_add+0x124/0x190 [ 221.868752][ T6705] gfs2_sys_fs_add+0x200/0x41c [ 221.869563][ T6705] gfs2_fill_super+0xddc/0x1a18 [ 221.870406][ T6705] get_tree_bdev+0x358/0x544 [ 221.871173][ T6705] gfs2_get_tree+0x54/0x1b4 [ 221.871952][ T6705] vfs_get_tree+0x90/0x274 [ 221.872721][ T6705] do_new_mount+0x228/0x810 [ 221.873523][ T6705] path_mount+0x5bc/0x1008 [ 221.874247][ T6705] __arm64_sys_mount+0x514/0x5f0 [ 221.875136][ T6705] invoke_syscall+0x98/0x2b0 [ 221.875896][ T6705] el0_svc_common+0x138/0x258 [ 221.876648][ T6705] do_el0_svc+0x58/0x13c [ 221.877383][ T6705] el0_svc+0x78/0x1d0 [ 221.878009][ T6705] el0t_64_sync_handler+0xcc/0xe4 [ 221.878853][ T6705] el0t_64_sync+0x1a0/0x1a4 [ 221.882278][ T6705] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.884334][ T6705] gfs2: fsid=](_: error -17 adding sysfs files [ 222.025570][ T6708] loop1: detected capacity change from 0 to 32768 [ 222.034391][ T6708] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.035712][ T6708] CPU: 0 PID: 6708 Comm: syz.1.592 Not tainted syzkaller #0 [ 222.036963][ T6708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.038709][ T6708] Call trace: [ 222.039282][ T6708] dump_backtrace+0x0/0x458 [ 222.040081][ T6708] show_stack+0x2c/0x3c [ 222.040799][ T6708] __dump_stack+0x30/0x40 [ 222.041538][ T6708] dump_stack_lvl+0xf4/0x15c [ 222.042355][ T6708] dump_stack+0x1c/0x5c [ 222.043085][ T6708] sysfs_create_dir_ns+0x244/0x264 [ 222.043959][ T6708] kobject_add_internal+0x5ac/0xc3c [ 222.044803][ T6708] kobject_init_and_add+0x124/0x190 [ 222.045707][ T6708] gfs2_sys_fs_add+0x200/0x41c [ 222.046529][ T6708] gfs2_fill_super+0xddc/0x1a18 [ 222.047382][ T6708] get_tree_bdev+0x358/0x544 [ 222.048170][ T6708] gfs2_get_tree+0x54/0x1b4 [ 222.048956][ T6708] vfs_get_tree+0x90/0x274 [ 222.049699][ T6708] do_new_mount+0x228/0x810 [ 222.050463][ T6708] path_mount+0x5bc/0x1008 [ 222.051200][ T6708] __arm64_sys_mount+0x514/0x5f0 [ 222.052088][ T6708] invoke_syscall+0x98/0x2b0 [ 222.052922][ T6708] el0_svc_common+0x138/0x258 [ 222.053664][ T6708] do_el0_svc+0x58/0x13c [ 222.054411][ T6708] el0_svc+0x78/0x1d0 [ 222.055059][ T6708] el0t_64_sync_handler+0xcc/0xe4 [ 222.055941][ T6708] el0t_64_sync+0x1a0/0x1a4 [ 222.056945][ T6708] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.058923][ T6708] gfs2: fsid=](_: error -17 adding sysfs files [ 222.202184][ T6711] loop1: detected capacity change from 0 to 32768 [ 222.211287][ T6711] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.214148][ T6711] CPU: 1 PID: 6711 Comm: syz.1.593 Not tainted syzkaller #0 [ 222.215377][ T6711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.217176][ T6711] Call trace: [ 222.217664][ T6711] dump_backtrace+0x0/0x458 [ 222.218486][ T6711] show_stack+0x2c/0x3c [ 222.219185][ T6711] __dump_stack+0x30/0x40 [ 222.219980][ T6711] dump_stack_lvl+0xf4/0x15c [ 222.220777][ T6711] dump_stack+0x1c/0x5c [ 222.221494][ T6711] sysfs_create_dir_ns+0x244/0x264 [ 222.222398][ T6711] kobject_add_internal+0x5ac/0xc3c [ 222.223302][ T6711] kobject_init_and_add+0x124/0x190 [ 222.224224][ T6711] gfs2_sys_fs_add+0x200/0x41c [ 222.225018][ T6711] gfs2_fill_super+0xddc/0x1a18 [ 222.225837][ T6711] get_tree_bdev+0x358/0x544 [ 222.226662][ T6711] gfs2_get_tree+0x54/0x1b4 [ 222.227425][ T6711] vfs_get_tree+0x90/0x274 [ 222.228198][ T6711] do_new_mount+0x228/0x810 [ 222.228985][ T6711] path_mount+0x5bc/0x1008 [ 222.229741][ T6711] __arm64_sys_mount+0x514/0x5f0 [ 222.230593][ T6711] invoke_syscall+0x98/0x2b0 [ 222.231370][ T6711] el0_svc_common+0x138/0x258 [ 222.232196][ T6711] do_el0_svc+0x58/0x13c [ 222.232918][ T6711] el0_svc+0x78/0x1d0 [ 222.233593][ T6711] el0t_64_sync_handler+0xcc/0xe4 [ 222.234430][ T6711] el0t_64_sync+0x1a0/0x1a4 [ 222.236867][ T6711] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.239399][ T6711] gfs2: fsid=](_: error -17 adding sysfs files [ 222.462056][ T6714] loop1: detected capacity change from 0 to 32768 [ 222.503858][ T6714] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.505112][ T6714] CPU: 1 PID: 6714 Comm: syz.1.594 Not tainted syzkaller #0 [ 222.506300][ T6714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.508029][ T6714] Call trace: [ 222.508593][ T6714] dump_backtrace+0x0/0x458 [ 222.509415][ T6714] show_stack+0x2c/0x3c [ 222.510147][ T6714] __dump_stack+0x30/0x40 [ 222.510903][ T6714] dump_stack_lvl+0xf4/0x15c [ 222.511706][ T6714] dump_stack+0x1c/0x5c [ 222.512426][ T6714] sysfs_create_dir_ns+0x244/0x264 [ 222.513283][ T6714] kobject_add_internal+0x5ac/0xc3c [ 222.514193][ T6714] kobject_init_and_add+0x124/0x190 [ 222.515075][ T6714] gfs2_sys_fs_add+0x200/0x41c [ 222.515949][ T6714] gfs2_fill_super+0xddc/0x1a18 [ 222.516864][ T6714] get_tree_bdev+0x358/0x544 [ 222.517666][ T6714] gfs2_get_tree+0x54/0x1b4 [ 222.518381][ T6714] vfs_get_tree+0x90/0x274 [ 222.519190][ T6714] do_new_mount+0x228/0x810 [ 222.519967][ T6714] path_mount+0x5bc/0x1008 [ 222.520755][ T6714] __arm64_sys_mount+0x514/0x5f0 [ 222.521600][ T6714] invoke_syscall+0x98/0x2b0 [ 222.522471][ T6714] el0_svc_common+0x138/0x258 [ 222.523520][ T6714] do_el0_svc+0x58/0x13c [ 222.524260][ T6714] el0_svc+0x78/0x1d0 [ 222.525033][ T6714] el0t_64_sync_handler+0xcc/0xe4 [ 222.525888][ T6714] el0t_64_sync+0x1a0/0x1a4 [ 222.528320][ T6714] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.530376][ T6714] gfs2: fsid=](_: error -17 adding sysfs files [ 222.664242][ T6717] loop1: detected capacity change from 0 to 32768 [ 222.734291][ T6717] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.735547][ T6717] CPU: 1 PID: 6717 Comm: syz.1.595 Not tainted syzkaller #0 [ 222.736828][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.738636][ T6717] Call trace: [ 222.739195][ T6717] dump_backtrace+0x0/0x458 [ 222.740007][ T6717] show_stack+0x2c/0x3c [ 222.740682][ T6717] __dump_stack+0x30/0x40 [ 222.741449][ T6717] dump_stack_lvl+0xf4/0x15c [ 222.742279][ T6717] dump_stack+0x1c/0x5c [ 222.742956][ T6717] sysfs_create_dir_ns+0x244/0x264 [ 222.743873][ T6717] kobject_add_internal+0x5ac/0xc3c [ 222.744750][ T6717] kobject_init_and_add+0x124/0x190 [ 222.745596][ T6717] gfs2_sys_fs_add+0x200/0x41c [ 222.746408][ T6717] gfs2_fill_super+0xddc/0x1a18 [ 222.747207][ T6717] get_tree_bdev+0x358/0x544 [ 222.748000][ T6717] gfs2_get_tree+0x54/0x1b4 [ 222.748709][ T6717] vfs_get_tree+0x90/0x274 [ 222.749517][ T6717] do_new_mount+0x228/0x810 [ 222.750296][ T6717] path_mount+0x5bc/0x1008 [ 222.751048][ T6717] __arm64_sys_mount+0x514/0x5f0 [ 222.751904][ T6717] invoke_syscall+0x98/0x2b0 [ 222.752692][ T6717] el0_svc_common+0x138/0x258 [ 222.753505][ T6717] do_el0_svc+0x58/0x13c [ 222.754215][ T6717] el0_svc+0x78/0x1d0 [ 222.754916][ T6717] el0t_64_sync_handler+0xcc/0xe4 [ 222.755766][ T6717] el0t_64_sync+0x1a0/0x1a4 [ 222.758467][ T6717] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.760536][ T6717] gfs2: fsid=](_: error -17 adding sysfs files [ 222.897516][ T6720] loop1: detected capacity change from 0 to 32768 [ 222.948518][ T6720] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.949744][ T6720] CPU: 0 PID: 6720 Comm: syz.1.596 Not tainted syzkaller #0 [ 222.951044][ T6720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 222.952744][ T6720] Call trace: [ 222.953332][ T6720] dump_backtrace+0x0/0x458 [ 222.954019][ T6720] show_stack+0x2c/0x3c [ 222.954774][ T6720] __dump_stack+0x30/0x40 [ 222.955546][ T6720] dump_stack_lvl+0xf4/0x15c [ 222.956304][ T6720] dump_stack+0x1c/0x5c [ 222.957024][ T6720] sysfs_create_dir_ns+0x244/0x264 [ 222.957977][ T6720] kobject_add_internal+0x5ac/0xc3c [ 222.958862][ T6720] kobject_init_and_add+0x124/0x190 [ 222.959821][ T6720] gfs2_sys_fs_add+0x200/0x41c [ 222.960677][ T6720] gfs2_fill_super+0xddc/0x1a18 [ 222.961503][ T6720] get_tree_bdev+0x358/0x544 [ 222.962260][ T6720] gfs2_get_tree+0x54/0x1b4 [ 222.962992][ T6720] vfs_get_tree+0x90/0x274 [ 222.963791][ T6720] do_new_mount+0x228/0x810 [ 222.964596][ T6720] path_mount+0x5bc/0x1008 [ 222.965431][ T6720] __arm64_sys_mount+0x514/0x5f0 [ 222.966271][ T6720] invoke_syscall+0x98/0x2b0 [ 222.967027][ T6720] el0_svc_common+0x138/0x258 [ 222.967822][ T6720] do_el0_svc+0x58/0x13c [ 222.968599][ T6720] el0_svc+0x78/0x1d0 [ 222.969312][ T6720] el0t_64_sync_handler+0xcc/0xe4 [ 222.970183][ T6720] el0t_64_sync+0x1a0/0x1a4 [ 222.971566][ T6720] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.973577][ T6720] gfs2: fsid=](_: error -17 adding sysfs files [ 223.110855][ T6723] loop1: detected capacity change from 0 to 32768 [ 223.148474][ T6723] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.149642][ T6723] CPU: 0 PID: 6723 Comm: syz.1.597 Not tainted syzkaller #0 [ 223.150956][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.152782][ T6723] Call trace: [ 223.153295][ T6723] dump_backtrace+0x0/0x458 [ 223.154067][ T6723] show_stack+0x2c/0x3c [ 223.154768][ T6723] __dump_stack+0x30/0x40 [ 223.155501][ T6723] dump_stack_lvl+0xf4/0x15c [ 223.156285][ T6723] dump_stack+0x1c/0x5c [ 223.156983][ T6723] sysfs_create_dir_ns+0x244/0x264 [ 223.157837][ T6723] kobject_add_internal+0x5ac/0xc3c [ 223.158709][ T6723] kobject_init_and_add+0x124/0x190 [ 223.159652][ T6723] gfs2_sys_fs_add+0x200/0x41c [ 223.160444][ T6723] gfs2_fill_super+0xddc/0x1a18 [ 223.161252][ T6723] get_tree_bdev+0x358/0x544 [ 223.162067][ T6723] gfs2_get_tree+0x54/0x1b4 [ 223.162854][ T6723] vfs_get_tree+0x90/0x274 [ 223.163634][ T6723] do_new_mount+0x228/0x810 [ 223.164427][ T6723] path_mount+0x5bc/0x1008 [ 223.165210][ T6723] __arm64_sys_mount+0x514/0x5f0 [ 223.166052][ T6723] invoke_syscall+0x98/0x2b0 [ 223.166871][ T6723] el0_svc_common+0x138/0x258 [ 223.167625][ T6723] do_el0_svc+0x58/0x13c [ 223.168375][ T6723] el0_svc+0x78/0x1d0 [ 223.169159][ T6723] el0t_64_sync_handler+0xcc/0xe4 [ 223.170052][ T6723] el0t_64_sync+0x1a0/0x1a4 [ 223.171710][ T6723] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.173683][ T6723] gfs2: fsid=](_: error -17 adding sysfs files [ 223.333923][ T6726] loop1: detected capacity change from 0 to 32768 [ 223.395063][ T6726] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.396267][ T6726] CPU: 1 PID: 6726 Comm: syz.1.598 Not tainted syzkaller #0 [ 223.397568][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.399343][ T6726] Call trace: [ 223.399963][ T6726] dump_backtrace+0x0/0x458 [ 223.400736][ T6726] show_stack+0x2c/0x3c [ 223.401445][ T6726] __dump_stack+0x30/0x40 [ 223.402224][ T6726] dump_stack_lvl+0xf4/0x15c [ 223.403036][ T6726] dump_stack+0x1c/0x5c [ 223.403775][ T6726] sysfs_create_dir_ns+0x244/0x264 [ 223.404707][ T6726] kobject_add_internal+0x5ac/0xc3c [ 223.405587][ T6726] kobject_init_and_add+0x124/0x190 [ 223.406512][ T6726] gfs2_sys_fs_add+0x200/0x41c [ 223.407412][ T6726] gfs2_fill_super+0xddc/0x1a18 [ 223.408261][ T6726] get_tree_bdev+0x358/0x544 [ 223.409022][ T6726] gfs2_get_tree+0x54/0x1b4 [ 223.409764][ T6726] vfs_get_tree+0x90/0x274 [ 223.410498][ T6726] do_new_mount+0x228/0x810 [ 223.411229][ T6726] path_mount+0x5bc/0x1008 [ 223.411933][ T6726] __arm64_sys_mount+0x514/0x5f0 [ 223.412730][ T6726] invoke_syscall+0x98/0x2b0 [ 223.413495][ T6726] el0_svc_common+0x138/0x258 [ 223.414303][ T6726] do_el0_svc+0x58/0x13c [ 223.415046][ T6726] el0_svc+0x78/0x1d0 [ 223.415751][ T6726] el0t_64_sync_handler+0xcc/0xe4 [ 223.416605][ T6726] el0t_64_sync+0x1a0/0x1a4 [ 223.418975][ T6726] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.420970][ T6726] gfs2: fsid=](_: error -17 adding sysfs files [ 223.604979][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.606149][ T6729] CPU: 0 PID: 6729 Comm: syz.1.599 Not tainted syzkaller #0 [ 223.607365][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.609242][ T6729] Call trace: [ 223.609804][ T6729] dump_backtrace+0x0/0x458 [ 223.610571][ T6729] show_stack+0x2c/0x3c [ 223.611304][ T6729] __dump_stack+0x30/0x40 [ 223.612082][ T6729] dump_stack_lvl+0xf4/0x15c [ 223.612951][ T6729] dump_stack+0x1c/0x5c [ 223.613656][ T6729] sysfs_create_dir_ns+0x244/0x264 [ 223.614537][ T6729] kobject_add_internal+0x5ac/0xc3c [ 223.615428][ T6729] kobject_init_and_add+0x124/0x190 [ 223.616332][ T6729] gfs2_sys_fs_add+0x200/0x41c [ 223.617180][ T6729] gfs2_fill_super+0xddc/0x1a18 [ 223.618046][ T6729] get_tree_bdev+0x358/0x544 [ 223.618873][ T6729] gfs2_get_tree+0x54/0x1b4 [ 223.619651][ T6729] vfs_get_tree+0x90/0x274 [ 223.620407][ T6729] do_new_mount+0x228/0x810 [ 223.621230][ T6729] path_mount+0x5bc/0x1008 [ 223.622057][ T6729] __arm64_sys_mount+0x514/0x5f0 [ 223.622892][ T6729] invoke_syscall+0x98/0x2b0 [ 223.623774][ T6729] el0_svc_common+0x138/0x258 [ 223.624564][ T6729] do_el0_svc+0x58/0x13c [ 223.625351][ T6729] el0_svc+0x78/0x1d0 [ 223.626054][ T6729] el0t_64_sync_handler+0xcc/0xe4 [ 223.626992][ T6729] el0t_64_sync+0x1a0/0x1a4 [ 223.627943][ T6729] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.630195][ T6729] gfs2: fsid=](_: error -17 adding sysfs files [ 223.782000][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.783154][ T6732] CPU: 0 PID: 6732 Comm: syz.1.600 Not tainted syzkaller #0 [ 223.784453][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 223.786193][ T6732] Call trace: [ 223.786741][ T6732] dump_backtrace+0x0/0x458 [ 223.787516][ T6732] show_stack+0x2c/0x3c [ 223.788322][ T6732] __dump_stack+0x30/0x40 [ 223.789095][ T6732] dump_stack_lvl+0xf4/0x15c [ 223.789911][ T6732] dump_stack+0x1c/0x5c [ 223.790700][ T6732] sysfs_create_dir_ns+0x244/0x264 [ 223.791614][ T6732] kobject_add_internal+0x5ac/0xc3c [ 223.792499][ T6732] kobject_init_and_add+0x124/0x190 [ 223.793473][ T6732] gfs2_sys_fs_add+0x200/0x41c [ 223.794250][ T6732] gfs2_fill_super+0xddc/0x1a18 [ 223.795033][ T6732] get_tree_bdev+0x358/0x544 [ 223.795835][ T6732] gfs2_get_tree+0x54/0x1b4 [ 223.796600][ T6732] vfs_get_tree+0x90/0x274 [ 223.797345][ T6732] do_new_mount+0x228/0x810 [ 223.798070][ T6732] path_mount+0x5bc/0x1008 [ 223.798797][ T6732] __arm64_sys_mount+0x514/0x5f0 [ 223.799593][ T6732] invoke_syscall+0x98/0x2b0 [ 223.800359][ T6732] el0_svc_common+0x138/0x258 [ 223.801113][ T6732] do_el0_svc+0x58/0x13c [ 223.801867][ T6732] el0_svc+0x78/0x1d0 [ 223.802591][ T6732] el0t_64_sync_handler+0xcc/0xe4 [ 223.803588][ T6732] el0t_64_sync+0x1a0/0x1a4 [ 223.806049][ T6732] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.808272][ T6732] gfs2: fsid=](_: error -17 adding sysfs files [ 224.042107][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.043310][ T6735] CPU: 1 PID: 6735 Comm: syz.1.601 Not tainted syzkaller #0 [ 224.044626][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.046399][ T6735] Call trace: [ 224.046939][ T6735] dump_backtrace+0x0/0x458 [ 224.047782][ T6735] show_stack+0x2c/0x3c [ 224.048569][ T6735] __dump_stack+0x30/0x40 [ 224.049307][ T6735] dump_stack_lvl+0xf4/0x15c [ 224.050063][ T6735] dump_stack+0x1c/0x5c [ 224.050804][ T6735] sysfs_create_dir_ns+0x244/0x264 [ 224.051679][ T6735] kobject_add_internal+0x5ac/0xc3c [ 224.052620][ T6735] kobject_init_and_add+0x124/0x190 [ 224.053519][ T6735] gfs2_sys_fs_add+0x200/0x41c [ 224.054360][ T6735] gfs2_fill_super+0xddc/0x1a18 [ 224.055264][ T6735] get_tree_bdev+0x358/0x544 [ 224.056020][ T6735] gfs2_get_tree+0x54/0x1b4 [ 224.056822][ T6735] vfs_get_tree+0x90/0x274 [ 224.057630][ T6735] do_new_mount+0x228/0x810 [ 224.058411][ T6735] path_mount+0x5bc/0x1008 [ 224.059222][ T6735] __arm64_sys_mount+0x514/0x5f0 [ 224.060180][ T6735] invoke_syscall+0x98/0x2b0 [ 224.061009][ T6735] el0_svc_common+0x138/0x258 [ 224.061852][ T6735] do_el0_svc+0x58/0x13c [ 224.062540][ T6735] el0_svc+0x78/0x1d0 [ 224.063259][ T6735] el0t_64_sync_handler+0xcc/0xe4 [ 224.064172][ T6735] el0t_64_sync+0x1a0/0x1a4 [ 224.066720][ T6735] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.068901][ T6735] gfs2: fsid=](_: error -17 adding sysfs files [ 224.220605][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.221862][ T6738] CPU: 0 PID: 6738 Comm: syz.1.602 Not tainted syzkaller #0 [ 224.223059][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.224827][ T6738] Call trace: [ 224.225365][ T6738] dump_backtrace+0x0/0x458 [ 224.226124][ T6738] show_stack+0x2c/0x3c [ 224.226894][ T6738] __dump_stack+0x30/0x40 [ 224.227676][ T6738] dump_stack_lvl+0xf4/0x15c [ 224.228452][ T6738] dump_stack+0x1c/0x5c [ 224.229230][ T6738] sysfs_create_dir_ns+0x244/0x264 [ 224.230105][ T6738] kobject_add_internal+0x5ac/0xc3c [ 224.230957][ T6738] kobject_init_and_add+0x124/0x190 [ 224.231900][ T6738] gfs2_sys_fs_add+0x200/0x41c [ 224.232717][ T6738] gfs2_fill_super+0xddc/0x1a18 [ 224.233507][ T6738] get_tree_bdev+0x358/0x544 [ 224.234274][ T6738] gfs2_get_tree+0x54/0x1b4 [ 224.235066][ T6738] vfs_get_tree+0x90/0x274 [ 224.235799][ T6738] do_new_mount+0x228/0x810 [ 224.236573][ T6738] path_mount+0x5bc/0x1008 [ 224.237328][ T6738] __arm64_sys_mount+0x514/0x5f0 [ 224.238131][ T6738] invoke_syscall+0x98/0x2b0 [ 224.238950][ T6738] el0_svc_common+0x138/0x258 [ 224.239791][ T6738] do_el0_svc+0x58/0x13c [ 224.240553][ T6738] el0_svc+0x78/0x1d0 [ 224.241237][ T6738] el0t_64_sync_handler+0xcc/0xe4 [ 224.242106][ T6738] el0t_64_sync+0x1a0/0x1a4 [ 224.243438][ T6738] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.245774][ T6738] gfs2: fsid=](_: error -17 adding sysfs files [ 224.390028][ T6741] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.391310][ T6741] CPU: 1 PID: 6741 Comm: syz.1.603 Not tainted syzkaller #0 [ 224.392474][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.394245][ T6741] Call trace: [ 224.394816][ T6741] dump_backtrace+0x0/0x458 [ 224.395646][ T6741] show_stack+0x2c/0x3c [ 224.396310][ T6741] __dump_stack+0x30/0x40 [ 224.397041][ T6741] dump_stack_lvl+0xf4/0x15c [ 224.397853][ T6741] dump_stack+0x1c/0x5c [ 224.398533][ T6741] sysfs_create_dir_ns+0x244/0x264 [ 224.399392][ T6741] kobject_add_internal+0x5ac/0xc3c [ 224.400243][ T6741] kobject_init_and_add+0x124/0x190 [ 224.401122][ T6741] gfs2_sys_fs_add+0x200/0x41c [ 224.401936][ T6741] gfs2_fill_super+0xddc/0x1a18 [ 224.402753][ T6741] get_tree_bdev+0x358/0x544 [ 224.403564][ T6741] gfs2_get_tree+0x54/0x1b4 [ 224.404357][ T6741] vfs_get_tree+0x90/0x274 [ 224.405075][ T6741] do_new_mount+0x228/0x810 [ 224.405884][ T6741] path_mount+0x5bc/0x1008 [ 224.406631][ T6741] __arm64_sys_mount+0x514/0x5f0 [ 224.407468][ T6741] invoke_syscall+0x98/0x2b0 [ 224.408255][ T6741] el0_svc_common+0x138/0x258 [ 224.409082][ T6741] do_el0_svc+0x58/0x13c [ 224.409821][ T6741] el0_svc+0x78/0x1d0 [ 224.410459][ T6741] el0t_64_sync_handler+0xcc/0xe4 [ 224.411317][ T6741] el0t_64_sync+0x1a0/0x1a4 [ 224.415195][ T6741] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.417343][ T6741] gfs2: fsid=](_: error -17 adding sysfs files [ 224.608843][ T6744] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.609997][ T6744] CPU: 1 PID: 6744 Comm: syz.1.604 Not tainted syzkaller #0 [ 224.611268][ T6744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.612963][ T6744] Call trace: [ 224.613540][ T6744] dump_backtrace+0x0/0x458 [ 224.614276][ T6744] show_stack+0x2c/0x3c [ 224.614980][ T6744] __dump_stack+0x30/0x40 [ 224.615741][ T6744] dump_stack_lvl+0xf4/0x15c [ 224.616472][ T6744] dump_stack+0x1c/0x5c [ 224.617257][ T6744] sysfs_create_dir_ns+0x244/0x264 [ 224.618109][ T6744] kobject_add_internal+0x5ac/0xc3c [ 224.619006][ T6744] kobject_init_and_add+0x124/0x190 [ 224.619876][ T6744] gfs2_sys_fs_add+0x200/0x41c [ 224.620711][ T6744] gfs2_fill_super+0xddc/0x1a18 [ 224.621522][ T6744] get_tree_bdev+0x358/0x544 [ 224.622272][ T6744] gfs2_get_tree+0x54/0x1b4 [ 224.623082][ T6744] vfs_get_tree+0x90/0x274 [ 224.623848][ T6744] do_new_mount+0x228/0x810 [ 224.624588][ T6744] path_mount+0x5bc/0x1008 [ 224.625350][ T6744] __arm64_sys_mount+0x514/0x5f0 [ 224.626210][ T6744] invoke_syscall+0x98/0x2b0 [ 224.627003][ T6744] el0_svc_common+0x138/0x258 [ 224.627797][ T6744] do_el0_svc+0x58/0x13c [ 224.628526][ T6744] el0_svc+0x78/0x1d0 [ 224.629215][ T6744] el0t_64_sync_handler+0xcc/0xe4 [ 224.630140][ T6744] el0t_64_sync+0x1a0/0x1a4 [ 224.632435][ T6744] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.634480][ T6744] gfs2: fsid=](_: error -17 adding sysfs files [ 224.849312][ T6747] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.850553][ T6747] CPU: 0 PID: 6747 Comm: syz.1.605 Not tainted syzkaller #0 [ 224.851802][ T6747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 224.853595][ T6747] Call trace: [ 224.854177][ T6747] dump_backtrace+0x0/0x458 [ 224.854922][ T6747] show_stack+0x2c/0x3c [ 224.855584][ T6747] __dump_stack+0x30/0x40 [ 224.856345][ T6747] dump_stack_lvl+0xf4/0x15c [ 224.857164][ T6747] dump_stack+0x1c/0x5c [ 224.857864][ T6747] sysfs_create_dir_ns+0x244/0x264 [ 224.858702][ T6747] kobject_add_internal+0x5ac/0xc3c [ 224.859646][ T6747] kobject_init_and_add+0x124/0x190 [ 224.860500][ T6747] gfs2_sys_fs_add+0x200/0x41c [ 224.861290][ T6747] gfs2_fill_super+0xddc/0x1a18 [ 224.862168][ T6747] get_tree_bdev+0x358/0x544 [ 224.863005][ T6747] gfs2_get_tree+0x54/0x1b4 [ 224.863785][ T6747] vfs_get_tree+0x90/0x274 [ 224.864586][ T6747] do_new_mount+0x228/0x810 [ 224.865355][ T6747] path_mount+0x5bc/0x1008 [ 224.866075][ T6747] __arm64_sys_mount+0x514/0x5f0 [ 224.866903][ T6747] invoke_syscall+0x98/0x2b0 [ 224.867646][ T6747] el0_svc_common+0x138/0x258 [ 224.868347][ T6747] do_el0_svc+0x58/0x13c [ 224.868994][ T6747] el0_svc+0x78/0x1d0 [ 224.869707][ T6747] el0t_64_sync_handler+0xcc/0xe4 [ 224.870576][ T6747] el0t_64_sync+0x1a0/0x1a4 [ 224.872833][ T6747] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.874869][ T6747] gfs2: fsid=](_: error -17 adding sysfs files [ 225.048301][ T6750] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.049479][ T6750] CPU: 0 PID: 6750 Comm: syz.1.606 Not tainted syzkaller #0 [ 225.050630][ T6750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.052417][ T6750] Call trace: [ 225.053009][ T6750] dump_backtrace+0x0/0x458 [ 225.053716][ T6750] show_stack+0x2c/0x3c [ 225.054427][ T6750] __dump_stack+0x30/0x40 [ 225.055164][ T6750] dump_stack_lvl+0xf4/0x15c [ 225.055959][ T6750] dump_stack+0x1c/0x5c [ 225.056676][ T6750] sysfs_create_dir_ns+0x244/0x264 [ 225.057571][ T6750] kobject_add_internal+0x5ac/0xc3c [ 225.058493][ T6750] kobject_init_and_add+0x124/0x190 [ 225.059413][ T6750] gfs2_sys_fs_add+0x200/0x41c [ 225.060243][ T6750] gfs2_fill_super+0xddc/0x1a18 [ 225.061090][ T6750] get_tree_bdev+0x358/0x544 [ 225.061861][ T6750] gfs2_get_tree+0x54/0x1b4 [ 225.062630][ T6750] vfs_get_tree+0x90/0x274 [ 225.063408][ T6750] do_new_mount+0x228/0x810 [ 225.064193][ T6750] path_mount+0x5bc/0x1008 [ 225.065036][ T6750] __arm64_sys_mount+0x514/0x5f0 [ 225.065910][ T6750] invoke_syscall+0x98/0x2b0 [ 225.066700][ T6750] el0_svc_common+0x138/0x258 [ 225.067587][ T6750] do_el0_svc+0x58/0x13c [ 225.068339][ T6750] el0_svc+0x78/0x1d0 [ 225.069090][ T6750] el0t_64_sync_handler+0xcc/0xe4 [ 225.069948][ T6750] el0t_64_sync+0x1a0/0x1a4 [ 225.070902][ T6750] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.073053][ T6750] gfs2: fsid=](_: error -17 adding sysfs files [ 225.292616][ T6753] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.293908][ T6753] CPU: 1 PID: 6753 Comm: syz.1.607 Not tainted syzkaller #0 [ 225.295089][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.296783][ T6753] Call trace: [ 225.297346][ T6753] dump_backtrace+0x0/0x458 [ 225.298109][ T6753] show_stack+0x2c/0x3c [ 225.298842][ T6753] __dump_stack+0x30/0x40 [ 225.299578][ T6753] dump_stack_lvl+0xf4/0x15c [ 225.300383][ T6753] dump_stack+0x1c/0x5c [ 225.301115][ T6753] sysfs_create_dir_ns+0x244/0x264 [ 225.302004][ T6753] kobject_add_internal+0x5ac/0xc3c [ 225.302907][ T6753] kobject_init_and_add+0x124/0x190 [ 225.303733][ T6753] gfs2_sys_fs_add+0x200/0x41c [ 225.304505][ T6753] gfs2_fill_super+0xddc/0x1a18 [ 225.305341][ T6753] get_tree_bdev+0x358/0x544 [ 225.306159][ T6753] gfs2_get_tree+0x54/0x1b4 [ 225.306967][ T6753] vfs_get_tree+0x90/0x274 [ 225.307665][ T6753] do_new_mount+0x228/0x810 [ 225.308415][ T6753] path_mount+0x5bc/0x1008 [ 225.309178][ T6753] __arm64_sys_mount+0x514/0x5f0 [ 225.310065][ T6753] invoke_syscall+0x98/0x2b0 [ 225.310873][ T6753] el0_svc_common+0x138/0x258 [ 225.311706][ T6753] do_el0_svc+0x58/0x13c [ 225.312335][ T6753] el0_svc+0x78/0x1d0 [ 225.313050][ T6753] el0t_64_sync_handler+0xcc/0xe4 [ 225.313873][ T6753] el0t_64_sync+0x1a0/0x1a4 [ 225.316211][ T6753] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.318834][ T6753] gfs2: fsid=](_: error -17 adding sysfs files [ 225.469446][ T6756] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.470656][ T6756] CPU: 0 PID: 6756 Comm: syz.1.608 Not tainted syzkaller #0 [ 225.472004][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.473885][ T6756] Call trace: [ 225.474436][ T6756] dump_backtrace+0x0/0x458 [ 225.475197][ T6756] show_stack+0x2c/0x3c [ 225.475918][ T6756] __dump_stack+0x30/0x40 [ 225.476655][ T6756] dump_stack_lvl+0xf4/0x15c [ 225.477471][ T6756] dump_stack+0x1c/0x5c [ 225.478149][ T6756] sysfs_create_dir_ns+0x244/0x264 [ 225.479019][ T6756] kobject_add_internal+0x5ac/0xc3c [ 225.479907][ T6756] kobject_init_and_add+0x124/0x190 [ 225.480816][ T6756] gfs2_sys_fs_add+0x200/0x41c [ 225.481646][ T6756] gfs2_fill_super+0xddc/0x1a18 [ 225.482474][ T6756] get_tree_bdev+0x358/0x544 [ 225.483251][ T6756] gfs2_get_tree+0x54/0x1b4 [ 225.484030][ T6756] vfs_get_tree+0x90/0x274 [ 225.484744][ T6756] do_new_mount+0x228/0x810 [ 225.485520][ T6756] path_mount+0x5bc/0x1008 [ 225.486280][ T6756] __arm64_sys_mount+0x514/0x5f0 [ 225.487133][ T6756] invoke_syscall+0x98/0x2b0 [ 225.487867][ T6756] el0_svc_common+0x138/0x258 [ 225.488636][ T6756] do_el0_svc+0x58/0x13c [ 225.489321][ T6756] el0_svc+0x78/0x1d0 [ 225.490008][ T6756] el0t_64_sync_handler+0xcc/0xe4 [ 225.490864][ T6756] el0t_64_sync+0x1a0/0x1a4 [ 225.492068][ T6756] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.494485][ T6756] gfs2: fsid=](_: error -17 adding sysfs files [ 225.641415][ T6759] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.642570][ T6759] CPU: 1 PID: 6759 Comm: syz.1.609 Not tainted syzkaller #0 [ 225.643814][ T6759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.645503][ T6759] Call trace: [ 225.646053][ T6759] dump_backtrace+0x0/0x458 [ 225.646890][ T6759] show_stack+0x2c/0x3c [ 225.647588][ T6759] __dump_stack+0x30/0x40 [ 225.648295][ T6759] dump_stack_lvl+0xf4/0x15c [ 225.649044][ T6759] dump_stack+0x1c/0x5c [ 225.649773][ T6759] sysfs_create_dir_ns+0x244/0x264 [ 225.650653][ T6759] kobject_add_internal+0x5ac/0xc3c [ 225.651509][ T6759] kobject_init_and_add+0x124/0x190 [ 225.652386][ T6759] gfs2_sys_fs_add+0x200/0x41c [ 225.653215][ T6759] gfs2_fill_super+0xddc/0x1a18 [ 225.654038][ T6759] get_tree_bdev+0x358/0x544 [ 225.654864][ T6759] gfs2_get_tree+0x54/0x1b4 [ 225.655662][ T6759] vfs_get_tree+0x90/0x274 [ 225.656482][ T6759] do_new_mount+0x228/0x810 [ 225.657310][ T6759] path_mount+0x5bc/0x1008 [ 225.658063][ T6759] __arm64_sys_mount+0x514/0x5f0 [ 225.658961][ T6759] invoke_syscall+0x98/0x2b0 [ 225.659775][ T6759] el0_svc_common+0x138/0x258 [ 225.660573][ T6759] do_el0_svc+0x58/0x13c [ 225.661245][ T6759] el0_svc+0x78/0x1d0 [ 225.662004][ T6759] el0t_64_sync_handler+0xcc/0xe4 [ 225.662879][ T6759] el0t_64_sync+0x1a0/0x1a4 [ 225.667142][ T6759] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.669171][ T6759] gfs2: fsid=](_: error -17 adding sysfs files [ 225.885041][ T6762] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.886470][ T6762] CPU: 1 PID: 6762 Comm: syz.1.610 Not tainted syzkaller #0 [ 225.887750][ T6762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 225.889480][ T6762] Call trace: [ 225.889994][ T6762] dump_backtrace+0x0/0x458 [ 225.890750][ T6762] show_stack+0x2c/0x3c [ 225.891504][ T6762] __dump_stack+0x30/0x40 [ 225.892302][ T6762] dump_stack_lvl+0xf4/0x15c [ 225.893153][ T6762] dump_stack+0x1c/0x5c [ 225.893888][ T6762] sysfs_create_dir_ns+0x244/0x264 [ 225.894811][ T6762] kobject_add_internal+0x5ac/0xc3c [ 225.895765][ T6762] kobject_init_and_add+0x124/0x190 [ 225.896659][ T6762] gfs2_sys_fs_add+0x200/0x41c [ 225.897513][ T6762] gfs2_fill_super+0xddc/0x1a18 [ 225.898429][ T6762] get_tree_bdev+0x358/0x544 [ 225.899168][ T6762] gfs2_get_tree+0x54/0x1b4 [ 225.899977][ T6762] vfs_get_tree+0x90/0x274 [ 225.900729][ T6762] do_new_mount+0x228/0x810 [ 225.901523][ T6762] path_mount+0x5bc/0x1008 [ 225.902283][ T6762] __arm64_sys_mount+0x514/0x5f0 [ 225.903175][ T6762] invoke_syscall+0x98/0x2b0 [ 225.904049][ T6762] el0_svc_common+0x138/0x258 [ 225.904842][ T6762] do_el0_svc+0x58/0x13c [ 225.905578][ T6762] el0_svc+0x78/0x1d0 [ 225.906276][ T6762] el0t_64_sync_handler+0xcc/0xe4 [ 225.907189][ T6762] el0t_64_sync+0x1a0/0x1a4 [ 225.909031][ T6762] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.911087][ T6762] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:45 executed programs: 597 [ 226.092391][ T6765] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.093646][ T6765] CPU: 1 PID: 6765 Comm: syz.1.611 Not tainted syzkaller #0 [ 226.094792][ T6765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.096498][ T6765] Call trace: [ 226.097063][ T6765] dump_backtrace+0x0/0x458 [ 226.097815][ T6765] show_stack+0x2c/0x3c [ 226.098554][ T6765] __dump_stack+0x30/0x40 [ 226.099340][ T6765] dump_stack_lvl+0xf4/0x15c [ 226.100110][ T6765] dump_stack+0x1c/0x5c [ 226.100803][ T6765] sysfs_create_dir_ns+0x244/0x264 [ 226.101728][ T6765] kobject_add_internal+0x5ac/0xc3c [ 226.102684][ T6765] kobject_init_and_add+0x124/0x190 [ 226.103597][ T6765] gfs2_sys_fs_add+0x200/0x41c [ 226.104365][ T6765] gfs2_fill_super+0xddc/0x1a18 [ 226.105200][ T6765] get_tree_bdev+0x358/0x544 [ 226.106029][ T6765] gfs2_get_tree+0x54/0x1b4 [ 226.106842][ T6765] vfs_get_tree+0x90/0x274 [ 226.107615][ T6765] do_new_mount+0x228/0x810 [ 226.108419][ T6765] path_mount+0x5bc/0x1008 [ 226.109173][ T6765] __arm64_sys_mount+0x514/0x5f0 [ 226.110070][ T6765] invoke_syscall+0x98/0x2b0 [ 226.110866][ T6765] el0_svc_common+0x138/0x258 [ 226.111635][ T6765] do_el0_svc+0x58/0x13c [ 226.112329][ T6765] el0_svc+0x78/0x1d0 [ 226.112972][ T6765] el0t_64_sync_handler+0xcc/0xe4 [ 226.113812][ T6765] el0t_64_sync+0x1a0/0x1a4 [ 226.116684][ T6765] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.118816][ T6765] gfs2: fsid=](_: error -17 adding sysfs files [ 226.269068][ T6768] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.270347][ T6768] CPU: 1 PID: 6768 Comm: syz.1.612 Not tainted syzkaller #0 [ 226.271521][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.273216][ T6768] Call trace: [ 226.273758][ T6768] dump_backtrace+0x0/0x458 [ 226.274528][ T6768] show_stack+0x2c/0x3c [ 226.275254][ T6768] __dump_stack+0x30/0x40 [ 226.275980][ T6768] dump_stack_lvl+0xf4/0x15c [ 226.276817][ T6768] dump_stack+0x1c/0x5c [ 226.277491][ T6768] sysfs_create_dir_ns+0x244/0x264 [ 226.278382][ T6768] kobject_add_internal+0x5ac/0xc3c [ 226.279266][ T6768] kobject_init_and_add+0x124/0x190 [ 226.280167][ T6768] gfs2_sys_fs_add+0x200/0x41c [ 226.280971][ T6768] gfs2_fill_super+0xddc/0x1a18 [ 226.281786][ T6768] get_tree_bdev+0x358/0x544 [ 226.282540][ T6768] gfs2_get_tree+0x54/0x1b4 [ 226.283258][ T6768] vfs_get_tree+0x90/0x274 [ 226.283998][ T6768] do_new_mount+0x228/0x810 [ 226.284779][ T6768] path_mount+0x5bc/0x1008 [ 226.285546][ T6768] __arm64_sys_mount+0x514/0x5f0 [ 226.286377][ T6768] invoke_syscall+0x98/0x2b0 [ 226.287106][ T6768] el0_svc_common+0x138/0x258 [ 226.287920][ T6768] do_el0_svc+0x58/0x13c [ 226.288638][ T6768] el0_svc+0x78/0x1d0 [ 226.289353][ T6768] el0t_64_sync_handler+0xcc/0xe4 [ 226.290236][ T6768] el0t_64_sync+0x1a0/0x1a4 [ 226.293792][ T6768] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.296548][ T6768] gfs2: fsid=](_: error -17 adding sysfs files [ 226.438003][ T6771] set_capacity_and_notify: 14 callbacks suppressed [ 226.438014][ T6771] loop1: detected capacity change from 0 to 32768 [ 226.448557][ T6771] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.451403][ T6771] CPU: 0 PID: 6771 Comm: syz.1.613 Not tainted syzkaller #0 [ 226.452594][ T6771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.454392][ T6771] Call trace: [ 226.454904][ T6771] dump_backtrace+0x0/0x458 [ 226.455609][ T6771] show_stack+0x2c/0x3c [ 226.456319][ T6771] __dump_stack+0x30/0x40 [ 226.457033][ T6771] dump_stack_lvl+0xf4/0x15c [ 226.457879][ T6771] dump_stack+0x1c/0x5c [ 226.458644][ T6771] sysfs_create_dir_ns+0x244/0x264 [ 226.459559][ T6771] kobject_add_internal+0x5ac/0xc3c [ 226.460503][ T6771] kobject_init_and_add+0x124/0x190 [ 226.461414][ T6771] gfs2_sys_fs_add+0x200/0x41c [ 226.462252][ T6771] gfs2_fill_super+0xddc/0x1a18 [ 226.463081][ T6771] get_tree_bdev+0x358/0x544 [ 226.463930][ T6771] gfs2_get_tree+0x54/0x1b4 [ 226.464712][ T6771] vfs_get_tree+0x90/0x274 [ 226.465472][ T6771] do_new_mount+0x228/0x810 [ 226.466217][ T6771] path_mount+0x5bc/0x1008 [ 226.466991][ T6771] __arm64_sys_mount+0x514/0x5f0 [ 226.467831][ T6771] invoke_syscall+0x98/0x2b0 [ 226.468638][ T6771] el0_svc_common+0x138/0x258 [ 226.469394][ T6771] do_el0_svc+0x58/0x13c [ 226.470103][ T6771] el0_svc+0x78/0x1d0 [ 226.470765][ T6771] el0t_64_sync_handler+0xcc/0xe4 [ 226.471595][ T6771] el0t_64_sync+0x1a0/0x1a4 [ 226.472535][ T6771] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.474665][ T6771] gfs2: fsid=](_: error -17 adding sysfs files [ 226.613041][ T6774] loop1: detected capacity change from 0 to 32768 [ 226.654315][ T6774] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.655565][ T6774] CPU: 0 PID: 6774 Comm: syz.1.614 Not tainted syzkaller #0 [ 226.656743][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.658464][ T6774] Call trace: [ 226.659036][ T6774] dump_backtrace+0x0/0x458 [ 226.659805][ T6774] show_stack+0x2c/0x3c [ 226.660527][ T6774] __dump_stack+0x30/0x40 [ 226.661292][ T6774] dump_stack_lvl+0xf4/0x15c [ 226.662064][ T6774] dump_stack+0x1c/0x5c [ 226.662775][ T6774] sysfs_create_dir_ns+0x244/0x264 [ 226.663675][ T6774] kobject_add_internal+0x5ac/0xc3c [ 226.664578][ T6774] kobject_init_and_add+0x124/0x190 [ 226.665489][ T6774] gfs2_sys_fs_add+0x200/0x41c [ 226.666337][ T6774] gfs2_fill_super+0xddc/0x1a18 [ 226.667159][ T6774] get_tree_bdev+0x358/0x544 [ 226.667933][ T6774] gfs2_get_tree+0x54/0x1b4 [ 226.668745][ T6774] vfs_get_tree+0x90/0x274 [ 226.669475][ T6774] do_new_mount+0x228/0x810 [ 226.670176][ T6774] path_mount+0x5bc/0x1008 [ 226.670969][ T6774] __arm64_sys_mount+0x514/0x5f0 [ 226.671757][ T6774] invoke_syscall+0x98/0x2b0 [ 226.672515][ T6774] el0_svc_common+0x138/0x258 [ 226.673306][ T6774] do_el0_svc+0x58/0x13c [ 226.674031][ T6774] el0_svc+0x78/0x1d0 [ 226.674660][ T6774] el0t_64_sync_handler+0xcc/0xe4 [ 226.675535][ T6774] el0t_64_sync+0x1a0/0x1a4 [ 226.676565][ T6774] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.678859][ T6774] gfs2: fsid=](_: error -17 adding sysfs files [ 226.811160][ T6777] loop1: detected capacity change from 0 to 32768 [ 226.852704][ T6777] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.853987][ T6777] CPU: 0 PID: 6777 Comm: syz.1.615 Not tainted syzkaller #0 [ 226.855240][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 226.857069][ T6777] Call trace: [ 226.857746][ T6777] dump_backtrace+0x0/0x458 [ 226.858543][ T6777] show_stack+0x2c/0x3c [ 226.859258][ T6777] __dump_stack+0x30/0x40 [ 226.859997][ T6777] dump_stack_lvl+0xf4/0x15c [ 226.860719][ T6777] dump_stack+0x1c/0x5c [ 226.861468][ T6777] sysfs_create_dir_ns+0x244/0x264 [ 226.862330][ T6777] kobject_add_internal+0x5ac/0xc3c [ 226.863241][ T6777] kobject_init_and_add+0x124/0x190 [ 226.864106][ T6777] gfs2_sys_fs_add+0x200/0x41c [ 226.864951][ T6777] gfs2_fill_super+0xddc/0x1a18 [ 226.865767][ T6777] get_tree_bdev+0x358/0x544 [ 226.866572][ T6777] gfs2_get_tree+0x54/0x1b4 [ 226.867348][ T6777] vfs_get_tree+0x90/0x274 [ 226.868094][ T6777] do_new_mount+0x228/0x810 [ 226.868859][ T6777] path_mount+0x5bc/0x1008 [ 226.869691][ T6777] __arm64_sys_mount+0x514/0x5f0 [ 226.870475][ T6777] invoke_syscall+0x98/0x2b0 [ 226.871219][ T6777] el0_svc_common+0x138/0x258 [ 226.872009][ T6777] do_el0_svc+0x58/0x13c [ 226.872754][ T6777] el0_svc+0x78/0x1d0 [ 226.873449][ T6777] el0t_64_sync_handler+0xcc/0xe4 [ 226.874357][ T6777] el0t_64_sync+0x1a0/0x1a4 [ 226.875289][ T6777] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.878422][ T6777] gfs2: fsid=](_: error -17 adding sysfs files [ 227.011845][ T6780] loop1: detected capacity change from 0 to 32768 [ 227.089096][ T6780] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.090231][ T6780] CPU: 1 PID: 6780 Comm: syz.1.616 Not tainted syzkaller #0 [ 227.091545][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.093218][ T6780] Call trace: [ 227.093793][ T6780] dump_backtrace+0x0/0x458 [ 227.094654][ T6780] show_stack+0x2c/0x3c [ 227.095376][ T6780] __dump_stack+0x30/0x40 [ 227.096214][ T6780] dump_stack_lvl+0xf4/0x15c [ 227.096978][ T6780] dump_stack+0x1c/0x5c [ 227.097749][ T6780] sysfs_create_dir_ns+0x244/0x264 [ 227.098642][ T6780] kobject_add_internal+0x5ac/0xc3c [ 227.099539][ T6780] kobject_init_and_add+0x124/0x190 [ 227.100429][ T6780] gfs2_sys_fs_add+0x200/0x41c [ 227.101249][ T6780] gfs2_fill_super+0xddc/0x1a18 [ 227.102057][ T6780] get_tree_bdev+0x358/0x544 [ 227.102873][ T6780] gfs2_get_tree+0x54/0x1b4 [ 227.103752][ T6780] vfs_get_tree+0x90/0x274 [ 227.104498][ T6780] do_new_mount+0x228/0x810 [ 227.105300][ T6780] path_mount+0x5bc/0x1008 [ 227.106028][ T6780] __arm64_sys_mount+0x514/0x5f0 [ 227.106980][ T6780] invoke_syscall+0x98/0x2b0 [ 227.107805][ T6780] el0_svc_common+0x138/0x258 [ 227.108611][ T6780] do_el0_svc+0x58/0x13c [ 227.109378][ T6780] el0_svc+0x78/0x1d0 [ 227.110053][ T6780] el0t_64_sync_handler+0xcc/0xe4 [ 227.110922][ T6780] el0t_64_sync+0x1a0/0x1a4 [ 227.113841][ T6780] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.115866][ T6780] gfs2: fsid=](_: error -17 adding sysfs files [ 227.259218][ T6783] loop1: detected capacity change from 0 to 32768 [ 227.302773][ T6783] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.303975][ T6783] CPU: 1 PID: 6783 Comm: syz.1.617 Not tainted syzkaller #0 [ 227.305242][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 227.306883][ T6783] Call trace: [ 227.307448][ T6783] dump_backtrace+0x0/0x458 [ 227.308283][ T6783] show_stack+0x2c/0x3c [ 227.309023][ T6783] __dump_stack+0x30/0x40 [ 227.309785][ T6783] dump_stack_lvl+0xf4/0x15c [ 227.310578][ T6783] dump_stack+0x1c/0x5c [ 227.311298][ T6783] sysfs_create_dir_ns+0x244/0x264 [ 227.312163][ T6783] kobject_add_internal+0x5ac/0xc3c [ 227.313101][ T6783] kobject_init_and_add+0x124/0x190 [ 227.314019][ T6783] gfs2_sys_fs_add+0x200/0x41c [ 227.314787][ T6783] gfs2_fill_super+0xddc/0x1a18 [ 227.315636][ T6783] get_tree_bdev+0x358/0x544 [ 227.316427][ T6783] gfs2_get_tree+0x54/0x1b4 [ 227.317141][ T6783] vfs_get_tree+0x90/0x274 [ 227.317850][ T6783] do_new_mount+0x228/0x810 [ 227.318565][ T6783] path_mount+0x5bc/0x1008 [ 227.319321][ T6783] __arm64_sys_mount+0x514/0x5f0 [ 227.320253][ T6783] invoke_syscall+0x98/0x2b0 [ 227.321045][ T6783] el0_svc_common+0x138/0x258 [ 227.321893][ T6783] do_el0_svc+0x58/0x13c [ 227.322641][ T6783] el0_svc+0x78/0x1d0 [ 227.323334][ T6783] el0t_64_sync_handler+0xcc/0xe4 [ 227.324167][ T6783] el0t_64_sync+0x1a0/0x1a4 [ 227.325699][ T6783] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.328997][ T6783] gfs2: fsid=](_: error -17 adding sysfs files [ 227.407103][ T6786] chnl_net:caif_netlink_parms(): no params data found [ 227.427436][ T6786] bridge0: port 1(bridge_slave_0) entered blocking state [ 227.428653][ T6786] bridge0: port 1(bridge_slave_0) entered disabled state [ 227.430272][ T6786] device bridge_slave_0 entered promiscuous mode [ 227.432363][ T6786] bridge0: port 2(bridge_slave_1) entered blocking state [ 227.433622][ T6786] bridge0: port 2(bridge_slave_1) entered disabled state [ 227.435143][ T6786] device bridge_slave_1 entered promiscuous mode [ 227.444810][ T6786] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 227.447590][ T6786] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 227.455784][ T6786] team0: Port device team_slave_0 added [ 227.458760][ T6786] team0: Port device team_slave_1 added [ 227.465657][ T6786] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 227.466738][ T6786] 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. [ 227.472117][ T6786] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 227.474463][ T6786] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 227.475585][ T6786] 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. [ 227.480377][ T6786] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 227.538227][ T6786] device hsr_slave_0 entered promiscuous mode [ 227.587119][ T6786] device hsr_slave_1 entered promiscuous mode [ 227.626977][ T6786] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 227.628110][ T6786] Cannot create hsr debugfs directory [ 227.669177][ T6786] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 227.824060][ T6786] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 227.868634][ T6786] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 228.150278][ T6786] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 228.281731][ T6786] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 228.344297][ T6786] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 228.381261][ T6786] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 228.421777][ T6786] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 228.495706][ T6786] 8021q: adding VLAN 0 to HW filter on device bond0 [ 228.500166][ T499] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 228.501700][ T499] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 228.504345][ T6786] 8021q: adding VLAN 0 to HW filter on device team0 [ 228.507722][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 228.509398][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 228.511023][ T585] bridge0: port 1(bridge_slave_0) entered blocking state [ 228.512156][ T585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 228.513556][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 228.521625][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 228.523235][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 228.524905][ T585] bridge0: port 2(bridge_slave_1) entered blocking state [ 228.526128][ T585] bridge0: port 2(bridge_slave_1) entered forwarding state [ 228.530080][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 228.533584][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 228.536449][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 228.541548][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 228.543160][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 228.546155][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 228.547808][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 228.551022][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 228.552503][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 228.555261][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 228.557220][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 228.565853][ T6786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 228.607794][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 228.609205][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 228.612569][ T6786] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 228.622563][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 228.624329][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 228.631756][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 228.633313][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 228.634892][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 228.636332][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 228.642803][ T6786] device veth0_vlan entered promiscuous mode [ 228.646446][ T6786] device veth1_vlan entered promiscuous mode [ 228.659150][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 228.660690][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 228.662266][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 228.663936][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 228.666717][ T6786] device veth0_macvtap entered promiscuous mode [ 228.669957][ T6786] device veth1_macvtap entered promiscuous mode [ 228.675788][ T6786] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 228.679792][ T6786] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 228.681376][ T6786] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 228.683178][ T6786] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 228.685511][ T6786] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 228.686752][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 228.689435][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 228.690960][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 228.692504][ T766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 228.699390][ T6786] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 228.701130][ T6786] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 228.702800][ T6786] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 228.704531][ T6786] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 228.706771][ T6786] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 228.708295][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 228.710041][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 228.712839][ T6786] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 228.714284][ T6786] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 228.715711][ T6786] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 228.717664][ T6786] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 228.746049][ T585] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 228.747453][ T585] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 228.750692][ T585] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 228.758370][ T499] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 228.759714][ T499] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 228.761131][ T499] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 228.911987][ T6798] loop1: detected capacity change from 0 to 32768 [ 228.956608][ T6798] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.958950][ T6798] CPU: 0 PID: 6798 Comm: syz.1.618 Not tainted syzkaller #0 [ 228.960163][ T6798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 228.961992][ T6798] Call trace: [ 228.962559][ T6798] dump_backtrace+0x0/0x458 [ 228.963376][ T6798] show_stack+0x2c/0x3c [ 228.964071][ T6798] __dump_stack+0x30/0x40 [ 228.964841][ T6798] dump_stack_lvl+0xf4/0x15c [ 228.965569][ T6798] dump_stack+0x1c/0x5c [ 228.966186][ T6798] sysfs_create_dir_ns+0x244/0x264 [ 228.967035][ T6798] kobject_add_internal+0x5ac/0xc3c [ 228.967923][ T6798] kobject_init_and_add+0x124/0x190 [ 228.968835][ T6798] gfs2_sys_fs_add+0x200/0x41c [ 228.969640][ T6798] gfs2_fill_super+0xddc/0x1a18 [ 228.970541][ T6798] get_tree_bdev+0x358/0x544 [ 228.971379][ T6798] gfs2_get_tree+0x54/0x1b4 [ 228.972177][ T6798] vfs_get_tree+0x90/0x274 [ 228.972961][ T6798] do_new_mount+0x228/0x810 [ 228.973790][ T6798] path_mount+0x5bc/0x1008 [ 228.974550][ T6798] __arm64_sys_mount+0x514/0x5f0 [ 228.975371][ T6798] invoke_syscall+0x98/0x2b0 [ 228.976152][ T6798] el0_svc_common+0x138/0x258 [ 228.976972][ T6798] do_el0_svc+0x58/0x13c [ 228.977731][ T6798] el0_svc+0x78/0x1d0 [ 228.978388][ T6798] el0t_64_sync_handler+0xcc/0xe4 [ 228.979327][ T6798] el0t_64_sync+0x1a0/0x1a4 [ 228.980893][ T6798] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.982900][ T6798] gfs2: fsid=](_: error -17 adding sysfs files [ 229.129021][ T6801] loop1: detected capacity change from 0 to 32768 [ 229.201630][ T6801] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.202842][ T6801] CPU: 1 PID: 6801 Comm: syz.1.619 Not tainted syzkaller #0 [ 229.204074][ T6801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.205745][ T6801] Call trace: [ 229.206303][ T6801] dump_backtrace+0x0/0x458 [ 229.207094][ T6801] show_stack+0x2c/0x3c [ 229.207765][ T6801] __dump_stack+0x30/0x40 [ 229.208517][ T6801] dump_stack_lvl+0xf4/0x15c [ 229.209345][ T6801] dump_stack+0x1c/0x5c [ 229.210071][ T6801] sysfs_create_dir_ns+0x244/0x264 [ 229.210994][ T6801] kobject_add_internal+0x5ac/0xc3c [ 229.211882][ T6801] kobject_init_and_add+0x124/0x190 [ 229.212779][ T6801] gfs2_sys_fs_add+0x200/0x41c [ 229.213552][ T6801] gfs2_fill_super+0xddc/0x1a18 [ 229.214412][ T6801] get_tree_bdev+0x358/0x544 [ 229.215207][ T6801] gfs2_get_tree+0x54/0x1b4 [ 229.216035][ T6801] vfs_get_tree+0x90/0x274 [ 229.216807][ T6801] do_new_mount+0x228/0x810 [ 229.217570][ T6801] path_mount+0x5bc/0x1008 [ 229.218360][ T6801] __arm64_sys_mount+0x514/0x5f0 [ 229.219169][ T6801] invoke_syscall+0x98/0x2b0 [ 229.219924][ T6801] el0_svc_common+0x138/0x258 [ 229.220700][ T6801] do_el0_svc+0x58/0x13c [ 229.221400][ T6801] el0_svc+0x78/0x1d0 [ 229.222110][ T6801] el0t_64_sync_handler+0xcc/0xe4 [ 229.222984][ T6801] el0t_64_sync+0x1a0/0x1a4 [ 229.226040][ T6801] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.228394][ T6801] gfs2: fsid=](_: error -17 adding sysfs files [ 229.282387][ T136] device hsr_slave_0 left promiscuous mode [ 229.327877][ T136] device hsr_slave_1 left promiscuous mode [ 229.367092][ T4182] Bluetooth: hci2: command 0x0409 tx timeout [ 229.373078][ T6804] loop1: detected capacity change from 0 to 32768 [ 229.408422][ T6804] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.409548][ T6804] CPU: 1 PID: 6804 Comm: syz.1.620 Not tainted syzkaller #0 [ 229.410811][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.412490][ T6804] Call trace: [ 229.413097][ T6804] dump_backtrace+0x0/0x458 [ 229.413871][ T6804] show_stack+0x2c/0x3c [ 229.414508][ T6804] __dump_stack+0x30/0x40 [ 229.415245][ T6804] dump_stack_lvl+0xf4/0x15c [ 229.415957][ T6804] dump_stack+0x1c/0x5c [ 229.416596][ T6804] sysfs_create_dir_ns+0x244/0x264 [ 229.417423][ T6804] kobject_add_internal+0x5ac/0xc3c [ 229.418280][ T6804] kobject_init_and_add+0x124/0x190 [ 229.419140][ T6804] gfs2_sys_fs_add+0x200/0x41c [ 229.419984][ T6804] gfs2_fill_super+0xddc/0x1a18 [ 229.420865][ T6804] get_tree_bdev+0x358/0x544 [ 229.421654][ T6804] gfs2_get_tree+0x54/0x1b4 [ 229.422429][ T6804] vfs_get_tree+0x90/0x274 [ 229.423222][ T6804] do_new_mount+0x228/0x810 [ 229.424004][ T6804] path_mount+0x5bc/0x1008 [ 229.424763][ T6804] __arm64_sys_mount+0x514/0x5f0 [ 229.425600][ T6804] invoke_syscall+0x98/0x2b0 [ 229.426426][ T6804] el0_svc_common+0x138/0x258 [ 229.427307][ T6804] do_el0_svc+0x58/0x13c [ 229.428053][ T6804] el0_svc+0x78/0x1d0 [ 229.428723][ T6804] el0t_64_sync_handler+0xcc/0xe4 [ 229.429635][ T6804] el0t_64_sync+0x1a0/0x1a4 [ 229.431901][ T6804] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.433805][ T6804] gfs2: fsid=](_: error -17 adding sysfs files [ 229.437399][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 229.438600][ T136] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 229.440530][ T136] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 229.441604][ T136] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 229.443056][ T136] device bridge_slave_1 left promiscuous mode [ 229.444344][ T136] bridge0: port 2(bridge_slave_1) entered disabled state [ 229.499507][ T136] device bridge_slave_0 left promiscuous mode [ 229.500633][ T136] bridge0: port 1(bridge_slave_0) entered disabled state [ 229.625356][ T6807] loop1: detected capacity change from 0 to 32768 [ 229.637072][ T136] device veth1_macvtap left promiscuous mode [ 229.638051][ T136] device veth0_macvtap left promiscuous mode [ 229.639107][ T136] device veth1_vlan left promiscuous mode [ 229.640136][ T136] device veth0_vlan left promiscuous mode [ 229.673846][ T6807] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.674995][ T6807] CPU: 0 PID: 6807 Comm: syz.1.621 Not tainted syzkaller #0 [ 229.676297][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 229.678187][ T6807] Call trace: [ 229.678783][ T6807] dump_backtrace+0x0/0x458 [ 229.679555][ T6807] show_stack+0x2c/0x3c [ 229.680275][ T6807] __dump_stack+0x30/0x40 [ 229.681017][ T6807] dump_stack_lvl+0xf4/0x15c [ 229.681798][ T6807] dump_stack+0x1c/0x5c [ 229.682500][ T6807] sysfs_create_dir_ns+0x244/0x264 [ 229.683388][ T6807] kobject_add_internal+0x5ac/0xc3c [ 229.684288][ T6807] kobject_init_and_add+0x124/0x190 [ 229.685165][ T6807] gfs2_sys_fs_add+0x200/0x41c [ 229.686000][ T6807] gfs2_fill_super+0xddc/0x1a18 [ 229.686835][ T6807] get_tree_bdev+0x358/0x544 [ 229.687622][ T6807] gfs2_get_tree+0x54/0x1b4 [ 229.688397][ T6807] vfs_get_tree+0x90/0x274 [ 229.689190][ T6807] do_new_mount+0x228/0x810 [ 229.690009][ T6807] path_mount+0x5bc/0x1008 [ 229.690766][ T6807] __arm64_sys_mount+0x514/0x5f0 [ 229.691562][ T6807] invoke_syscall+0x98/0x2b0 [ 229.692344][ T6807] el0_svc_common+0x138/0x258 [ 229.693191][ T6807] do_el0_svc+0x58/0x13c [ 229.694007][ T6807] el0_svc+0x78/0x1d0 [ 229.694701][ T6807] el0t_64_sync_handler+0xcc/0xe4 [ 229.695576][ T6807] el0t_64_sync+0x1a0/0x1a4 [ 229.717089][ T6807] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.719219][ T6807] gfs2: fsid=](_: error -17 adding sysfs files [ 229.772429][ T136] team0 (unregistering): Port device team_slave_1 removed [ 229.780973][ T136] team0 (unregistering): Port device team_slave_0 removed [ 229.786097][ T136] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 229.832307][ T136] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 229.932435][ T136] bond0 (unregistering): Released all slaves [ 229.958649][ T6810] loop1: detected capacity change from 0 to 32768 [ 230.009841][ T6810] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.011105][ T6810] CPU: 0 PID: 6810 Comm: syz.1.622 Not tainted syzkaller #0 [ 230.012432][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.014251][ T6810] Call trace: [ 230.014826][ T6810] dump_backtrace+0x0/0x458 [ 230.015555][ T6810] show_stack+0x2c/0x3c [ 230.016300][ T6810] __dump_stack+0x30/0x40 [ 230.017130][ T6810] dump_stack_lvl+0xf4/0x15c [ 230.017939][ T6810] dump_stack+0x1c/0x5c [ 230.018606][ T6810] sysfs_create_dir_ns+0x244/0x264 [ 230.019474][ T6810] kobject_add_internal+0x5ac/0xc3c [ 230.020342][ T6810] kobject_init_and_add+0x124/0x190 [ 230.021216][ T6810] gfs2_sys_fs_add+0x200/0x41c [ 230.022103][ T6810] gfs2_fill_super+0xddc/0x1a18 [ 230.022925][ T6810] get_tree_bdev+0x358/0x544 [ 230.023702][ T6810] gfs2_get_tree+0x54/0x1b4 [ 230.024432][ T6810] vfs_get_tree+0x90/0x274 [ 230.025170][ T6810] do_new_mount+0x228/0x810 [ 230.025994][ T6810] path_mount+0x5bc/0x1008 [ 230.026755][ T6810] __arm64_sys_mount+0x514/0x5f0 [ 230.027643][ T6810] invoke_syscall+0x98/0x2b0 [ 230.028484][ T6810] el0_svc_common+0x138/0x258 [ 230.029308][ T6810] do_el0_svc+0x58/0x13c [ 230.030078][ T6810] el0_svc+0x78/0x1d0 [ 230.030722][ T6810] el0t_64_sync_handler+0xcc/0xe4 [ 230.031593][ T6810] el0t_64_sync+0x1a0/0x1a4 [ 230.035432][ T6810] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.037997][ T6810] gfs2: fsid=](_: error -17 adding sysfs files [ 230.333032][ T6813] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.334216][ T6813] CPU: 0 PID: 6813 Comm: syz.1.623 Not tainted syzkaller #0 [ 230.335524][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.337168][ T6813] Call trace: [ 230.337722][ T6813] dump_backtrace+0x0/0x458 [ 230.338547][ T6813] show_stack+0x2c/0x3c [ 230.339306][ T6813] __dump_stack+0x30/0x40 [ 230.340053][ T6813] dump_stack_lvl+0xf4/0x15c [ 230.340833][ T6813] dump_stack+0x1c/0x5c [ 230.341599][ T6813] sysfs_create_dir_ns+0x244/0x264 [ 230.342524][ T6813] kobject_add_internal+0x5ac/0xc3c [ 230.343458][ T6813] kobject_init_and_add+0x124/0x190 [ 230.344382][ T6813] gfs2_sys_fs_add+0x200/0x41c [ 230.345210][ T6813] gfs2_fill_super+0xddc/0x1a18 [ 230.345999][ T6813] get_tree_bdev+0x358/0x544 [ 230.346794][ T6813] gfs2_get_tree+0x54/0x1b4 [ 230.347549][ T6813] vfs_get_tree+0x90/0x274 [ 230.348337][ T6813] do_new_mount+0x228/0x810 [ 230.349131][ T6813] path_mount+0x5bc/0x1008 [ 230.349914][ T6813] __arm64_sys_mount+0x514/0x5f0 [ 230.350829][ T6813] invoke_syscall+0x98/0x2b0 [ 230.351612][ T6813] el0_svc_common+0x138/0x258 [ 230.352463][ T6813] do_el0_svc+0x58/0x13c [ 230.353151][ T6813] el0_svc+0x78/0x1d0 [ 230.353823][ T6813] el0t_64_sync_handler+0xcc/0xe4 [ 230.354666][ T6813] el0t_64_sync+0x1a0/0x1a4 [ 230.357954][ T6813] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.360140][ T6813] gfs2: fsid=](_: error -17 adding sysfs files [ 230.507472][ T6816] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.508680][ T6816] CPU: 1 PID: 6816 Comm: syz.1.624 Not tainted syzkaller #0 [ 230.509869][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.511621][ T6816] Call trace: [ 230.512196][ T6816] dump_backtrace+0x0/0x458 [ 230.512991][ T6816] show_stack+0x2c/0x3c [ 230.513753][ T6816] __dump_stack+0x30/0x40 [ 230.514444][ T6816] dump_stack_lvl+0xf4/0x15c [ 230.515248][ T6816] dump_stack+0x1c/0x5c [ 230.515955][ T6816] sysfs_create_dir_ns+0x244/0x264 [ 230.516782][ T6816] kobject_add_internal+0x5ac/0xc3c [ 230.517704][ T6816] kobject_init_and_add+0x124/0x190 [ 230.518583][ T6816] gfs2_sys_fs_add+0x200/0x41c [ 230.519393][ T6816] gfs2_fill_super+0xddc/0x1a18 [ 230.520345][ T6816] get_tree_bdev+0x358/0x544 [ 230.521180][ T6816] gfs2_get_tree+0x54/0x1b4 [ 230.522012][ T6816] vfs_get_tree+0x90/0x274 [ 230.522789][ T6816] do_new_mount+0x228/0x810 [ 230.523566][ T6816] path_mount+0x5bc/0x1008 [ 230.524291][ T6816] __arm64_sys_mount+0x514/0x5f0 [ 230.525152][ T6816] invoke_syscall+0x98/0x2b0 [ 230.525961][ T6816] el0_svc_common+0x138/0x258 [ 230.526772][ T6816] do_el0_svc+0x58/0x13c [ 230.527498][ T6816] el0_svc+0x78/0x1d0 [ 230.528174][ T6816] el0t_64_sync_handler+0xcc/0xe4 [ 230.529096][ T6816] el0t_64_sync+0x1a0/0x1a4 [ 230.530259][ T6816] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.532319][ T6816] gfs2: fsid=](_: error -17 adding sysfs files [ 230.768259][ T6819] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.769582][ T6819] CPU: 1 PID: 6819 Comm: syz.1.625 Not tainted syzkaller #0 [ 230.770850][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 230.772567][ T6819] Call trace: [ 230.773097][ T6819] dump_backtrace+0x0/0x458 [ 230.773892][ T6819] show_stack+0x2c/0x3c [ 230.774660][ T6819] __dump_stack+0x30/0x40 [ 230.775394][ T6819] dump_stack_lvl+0xf4/0x15c [ 230.776251][ T6819] dump_stack+0x1c/0x5c [ 230.776931][ T6819] sysfs_create_dir_ns+0x244/0x264 [ 230.777853][ T6819] kobject_add_internal+0x5ac/0xc3c [ 230.778774][ T6819] kobject_init_and_add+0x124/0x190 [ 230.779690][ T6819] gfs2_sys_fs_add+0x200/0x41c [ 230.780457][ T6819] gfs2_fill_super+0xddc/0x1a18 [ 230.781256][ T6819] get_tree_bdev+0x358/0x544 [ 230.782044][ T6819] gfs2_get_tree+0x54/0x1b4 [ 230.782790][ T6819] vfs_get_tree+0x90/0x274 [ 230.783490][ T6819] do_new_mount+0x228/0x810 [ 230.784252][ T6819] path_mount+0x5bc/0x1008 [ 230.784988][ T6819] __arm64_sys_mount+0x514/0x5f0 [ 230.785856][ T6819] invoke_syscall+0x98/0x2b0 [ 230.786689][ T6819] el0_svc_common+0x138/0x258 [ 230.787479][ T6819] do_el0_svc+0x58/0x13c [ 230.788265][ T6819] el0_svc+0x78/0x1d0 [ 230.788970][ T6819] el0t_64_sync_handler+0xcc/0xe4 [ 230.789830][ T6819] el0t_64_sync+0x1a0/0x1a4 [ 230.791227][ T6819] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.793223][ T6819] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 612 [ 231.133503][ T6822] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.134747][ T6822] CPU: 1 PID: 6822 Comm: syz.1.626 Not tainted syzkaller #0 [ 231.135970][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.137748][ T6822] Call trace: [ 231.138322][ T6822] dump_backtrace+0x0/0x458 [ 231.139147][ T6822] show_stack+0x2c/0x3c [ 231.139887][ T6822] __dump_stack+0x30/0x40 [ 231.140574][ T6822] dump_stack_lvl+0xf4/0x15c [ 231.141326][ T6822] dump_stack+0x1c/0x5c [ 231.142013][ T6822] sysfs_create_dir_ns+0x244/0x264 [ 231.142912][ T6822] kobject_add_internal+0x5ac/0xc3c [ 231.143886][ T6822] kobject_init_and_add+0x124/0x190 [ 231.144717][ T6822] gfs2_sys_fs_add+0x200/0x41c [ 231.145446][ T6822] gfs2_fill_super+0xddc/0x1a18 [ 231.146279][ T6822] get_tree_bdev+0x358/0x544 [ 231.147095][ T6822] gfs2_get_tree+0x54/0x1b4 [ 231.147908][ T6822] vfs_get_tree+0x90/0x274 [ 231.148690][ T6822] do_new_mount+0x228/0x810 [ 231.149512][ T6822] path_mount+0x5bc/0x1008 [ 231.150255][ T6822] __arm64_sys_mount+0x514/0x5f0 [ 231.151115][ T6822] invoke_syscall+0x98/0x2b0 [ 231.151880][ T6822] el0_svc_common+0x138/0x258 [ 231.152693][ T6822] do_el0_svc+0x58/0x13c [ 231.153399][ T6822] el0_svc+0x78/0x1d0 [ 231.154057][ T6822] el0t_64_sync_handler+0xcc/0xe4 [ 231.154924][ T6822] el0t_64_sync+0x1a0/0x1a4 [ 231.157382][ T6822] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.159484][ T6822] gfs2: fsid=](_: error -17 adding sysfs files [ 231.352356][ T6825] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.353868][ T6825] CPU: 1 PID: 6825 Comm: syz.1.627 Not tainted syzkaller #0 [ 231.355104][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.356908][ T6825] Call trace: [ 231.357475][ T6825] dump_backtrace+0x0/0x458 [ 231.358280][ T6825] show_stack+0x2c/0x3c [ 231.358987][ T6825] __dump_stack+0x30/0x40 [ 231.359734][ T6825] dump_stack_lvl+0xf4/0x15c [ 231.360524][ T6825] dump_stack+0x1c/0x5c [ 231.361236][ T6825] sysfs_create_dir_ns+0x244/0x264 [ 231.362105][ T6825] kobject_add_internal+0x5ac/0xc3c [ 231.362988][ T6825] kobject_init_and_add+0x124/0x190 [ 231.363896][ T6825] gfs2_sys_fs_add+0x200/0x41c [ 231.364728][ T6825] gfs2_fill_super+0xddc/0x1a18 [ 231.365584][ T6825] get_tree_bdev+0x358/0x544 [ 231.366392][ T6825] gfs2_get_tree+0x54/0x1b4 [ 231.367131][ T6825] vfs_get_tree+0x90/0x274 [ 231.367871][ T6825] do_new_mount+0x228/0x810 [ 231.368577][ T6825] path_mount+0x5bc/0x1008 [ 231.369290][ T6825] __arm64_sys_mount+0x514/0x5f0 [ 231.370062][ T6825] invoke_syscall+0x98/0x2b0 [ 231.370832][ T6825] el0_svc_common+0x138/0x258 [ 231.371607][ T6825] do_el0_svc+0x58/0x13c [ 231.372340][ T6825] el0_svc+0x78/0x1d0 [ 231.373037][ T6825] el0t_64_sync_handler+0xcc/0xe4 [ 231.373856][ T6825] el0t_64_sync+0x1a0/0x1a4 [ 231.377924][ T6825] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.380108][ T6825] gfs2: fsid=](_: error -17 adding sysfs files [ 231.437381][ T4181] Bluetooth: hci2: command 0x041b tx timeout [ 231.550482][ T6828] set_capacity_and_notify: 5 callbacks suppressed [ 231.550492][ T6828] loop1: detected capacity change from 0 to 32768 [ 231.559873][ T6828] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.560974][ T6828] CPU: 0 PID: 6828 Comm: syz.1.628 Not tainted syzkaller #0 [ 231.562242][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.563788][ T6828] Call trace: [ 231.564309][ T6828] dump_backtrace+0x0/0x458 [ 231.565054][ T6828] show_stack+0x2c/0x3c [ 231.565693][ T6828] __dump_stack+0x30/0x40 [ 231.566399][ T6828] dump_stack_lvl+0xf4/0x15c [ 231.567091][ T6828] dump_stack+0x1c/0x5c [ 231.567813][ T6828] sysfs_create_dir_ns+0x244/0x264 [ 231.568645][ T6828] kobject_add_internal+0x5ac/0xc3c [ 231.569587][ T6828] kobject_init_and_add+0x124/0x190 [ 231.570494][ T6828] gfs2_sys_fs_add+0x200/0x41c [ 231.571320][ T6828] gfs2_fill_super+0xddc/0x1a18 [ 231.572105][ T6828] get_tree_bdev+0x358/0x544 [ 231.572916][ T6828] gfs2_get_tree+0x54/0x1b4 [ 231.573667][ T6828] vfs_get_tree+0x90/0x274 [ 231.574390][ T6828] do_new_mount+0x228/0x810 [ 231.575122][ T6828] path_mount+0x5bc/0x1008 [ 231.575826][ T6828] __arm64_sys_mount+0x514/0x5f0 [ 231.576672][ T6828] invoke_syscall+0x98/0x2b0 [ 231.577488][ T6828] el0_svc_common+0x138/0x258 [ 231.578272][ T6828] do_el0_svc+0x58/0x13c [ 231.578955][ T6828] el0_svc+0x78/0x1d0 [ 231.579613][ T6828] el0t_64_sync_handler+0xcc/0xe4 [ 231.580442][ T6828] el0t_64_sync+0x1a0/0x1a4 [ 231.597989][ T6828] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.600818][ T6828] gfs2: fsid=](_: error -17 adding sysfs files [ 231.844163][ T6831] loop1: detected capacity change from 0 to 32768 [ 231.883227][ T6831] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.884380][ T6831] CPU: 1 PID: 6831 Comm: syz.1.629 Not tainted syzkaller #0 [ 231.885711][ T6831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 231.887491][ T6831] Call trace: [ 231.888056][ T6831] dump_backtrace+0x0/0x458 [ 231.888788][ T6831] show_stack+0x2c/0x3c [ 231.889507][ T6831] __dump_stack+0x30/0x40 [ 231.890211][ T6831] dump_stack_lvl+0xf4/0x15c [ 231.890992][ T6831] dump_stack+0x1c/0x5c [ 231.891674][ T6831] sysfs_create_dir_ns+0x244/0x264 [ 231.892483][ T6831] kobject_add_internal+0x5ac/0xc3c [ 231.893342][ T6831] kobject_init_and_add+0x124/0x190 [ 231.894156][ T6831] gfs2_sys_fs_add+0x200/0x41c [ 231.894977][ T6831] gfs2_fill_super+0xddc/0x1a18 [ 231.895821][ T6831] get_tree_bdev+0x358/0x544 [ 231.896615][ T6831] gfs2_get_tree+0x54/0x1b4 [ 231.897397][ T6831] vfs_get_tree+0x90/0x274 [ 231.898119][ T6831] do_new_mount+0x228/0x810 [ 231.898908][ T6831] path_mount+0x5bc/0x1008 [ 231.899689][ T6831] __arm64_sys_mount+0x514/0x5f0 [ 231.900536][ T6831] invoke_syscall+0x98/0x2b0 [ 231.901324][ T6831] el0_svc_common+0x138/0x258 [ 231.902104][ T6831] do_el0_svc+0x58/0x13c [ 231.902861][ T6831] el0_svc+0x78/0x1d0 [ 231.903550][ T6831] el0t_64_sync_handler+0xcc/0xe4 [ 231.904438][ T6831] el0t_64_sync+0x1a0/0x1a4 [ 231.906703][ T6831] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.909254][ T6831] gfs2: fsid=](_: error -17 adding sysfs files [ 232.045126][ T6834] loop1: detected capacity change from 0 to 32768 [ 232.088705][ T6834] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.089902][ T6834] CPU: 0 PID: 6834 Comm: syz.1.630 Not tainted syzkaller #0 [ 232.091226][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.092868][ T6834] Call trace: [ 232.093416][ T6834] dump_backtrace+0x0/0x458 [ 232.094204][ T6834] show_stack+0x2c/0x3c [ 232.094910][ T6834] __dump_stack+0x30/0x40 [ 232.095677][ T6834] dump_stack_lvl+0xf4/0x15c [ 232.096489][ T6834] dump_stack+0x1c/0x5c [ 232.097180][ T6834] sysfs_create_dir_ns+0x244/0x264 [ 232.098065][ T6834] kobject_add_internal+0x5ac/0xc3c [ 232.098949][ T6834] kobject_init_and_add+0x124/0x190 [ 232.099920][ T6834] gfs2_sys_fs_add+0x200/0x41c [ 232.100771][ T6834] gfs2_fill_super+0xddc/0x1a18 [ 232.101607][ T6834] get_tree_bdev+0x358/0x544 [ 232.102351][ T6834] gfs2_get_tree+0x54/0x1b4 [ 232.103143][ T6834] vfs_get_tree+0x90/0x274 [ 232.103908][ T6834] do_new_mount+0x228/0x810 [ 232.104700][ T6834] path_mount+0x5bc/0x1008 [ 232.105463][ T6834] __arm64_sys_mount+0x514/0x5f0 [ 232.106302][ T6834] invoke_syscall+0x98/0x2b0 [ 232.107023][ T6834] el0_svc_common+0x138/0x258 [ 232.107805][ T6834] do_el0_svc+0x58/0x13c [ 232.108522][ T6834] el0_svc+0x78/0x1d0 [ 232.109170][ T6834] el0t_64_sync_handler+0xcc/0xe4 [ 232.110066][ T6834] el0t_64_sync+0x1a0/0x1a4 [ 232.112653][ T6834] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.114728][ T6834] gfs2: fsid=](_: error -17 adding sysfs files [ 232.251239][ T6837] loop1: detected capacity change from 0 to 32768 [ 232.312351][ T6837] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.313525][ T6837] CPU: 0 PID: 6837 Comm: syz.1.631 Not tainted syzkaller #0 [ 232.314822][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.316466][ T6837] Call trace: [ 232.317025][ T6837] dump_backtrace+0x0/0x458 [ 232.317780][ T6837] show_stack+0x2c/0x3c [ 232.318504][ T6837] __dump_stack+0x30/0x40 [ 232.319278][ T6837] dump_stack_lvl+0xf4/0x15c [ 232.320119][ T6837] dump_stack+0x1c/0x5c [ 232.320856][ T6837] sysfs_create_dir_ns+0x244/0x264 [ 232.321739][ T6837] kobject_add_internal+0x5ac/0xc3c [ 232.322642][ T6837] kobject_init_and_add+0x124/0x190 [ 232.323591][ T6837] gfs2_sys_fs_add+0x200/0x41c [ 232.324425][ T6837] gfs2_fill_super+0xddc/0x1a18 [ 232.325280][ T6837] get_tree_bdev+0x358/0x544 [ 232.326106][ T6837] gfs2_get_tree+0x54/0x1b4 [ 232.326870][ T6837] vfs_get_tree+0x90/0x274 [ 232.327667][ T6837] do_new_mount+0x228/0x810 [ 232.328437][ T6837] path_mount+0x5bc/0x1008 [ 232.329183][ T6837] __arm64_sys_mount+0x514/0x5f0 [ 232.329974][ T6837] invoke_syscall+0x98/0x2b0 [ 232.330694][ T6837] el0_svc_common+0x138/0x258 [ 232.331496][ T6837] do_el0_svc+0x58/0x13c [ 232.332189][ T6837] el0_svc+0x78/0x1d0 [ 232.332869][ T6837] el0t_64_sync_handler+0xcc/0xe4 [ 232.333705][ T6837] el0t_64_sync+0x1a0/0x1a4 [ 232.335979][ T6837] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.338692][ T6837] gfs2: fsid=](_: error -17 adding sysfs files [ 232.478938][ T6840] loop1: detected capacity change from 0 to 32768 [ 232.532266][ T6840] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.533506][ T6840] CPU: 0 PID: 6840 Comm: syz.1.632 Not tainted syzkaller #0 [ 232.534779][ T6840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.536593][ T6840] Call trace: [ 232.537174][ T6840] dump_backtrace+0x0/0x458 [ 232.537949][ T6840] show_stack+0x2c/0x3c [ 232.538613][ T6840] __dump_stack+0x30/0x40 [ 232.539314][ T6840] dump_stack_lvl+0xf4/0x15c [ 232.540099][ T6840] dump_stack+0x1c/0x5c [ 232.540846][ T6840] sysfs_create_dir_ns+0x244/0x264 [ 232.541768][ T6840] kobject_add_internal+0x5ac/0xc3c [ 232.542593][ T6840] kobject_init_and_add+0x124/0x190 [ 232.543544][ T6840] gfs2_sys_fs_add+0x200/0x41c [ 232.544328][ T6840] gfs2_fill_super+0xddc/0x1a18 [ 232.545112][ T6840] get_tree_bdev+0x358/0x544 [ 232.545905][ T6840] gfs2_get_tree+0x54/0x1b4 [ 232.546666][ T6840] vfs_get_tree+0x90/0x274 [ 232.547421][ T6840] do_new_mount+0x228/0x810 [ 232.548186][ T6840] path_mount+0x5bc/0x1008 [ 232.548931][ T6840] __arm64_sys_mount+0x514/0x5f0 [ 232.549730][ T6840] invoke_syscall+0x98/0x2b0 [ 232.550467][ T6840] el0_svc_common+0x138/0x258 [ 232.551305][ T6840] do_el0_svc+0x58/0x13c [ 232.552039][ T6840] el0_svc+0x78/0x1d0 [ 232.552810][ T6840] el0t_64_sync_handler+0xcc/0xe4 [ 232.553708][ T6840] el0t_64_sync+0x1a0/0x1a4 [ 232.555930][ T6840] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.558548][ T6840] gfs2: fsid=](_: error -17 adding sysfs files [ 232.699643][ T6843] loop1: detected capacity change from 0 to 32768 [ 232.708737][ T6843] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.709910][ T6843] CPU: 0 PID: 6843 Comm: syz.1.633 Not tainted syzkaller #0 [ 232.711132][ T6843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.712804][ T6843] Call trace: [ 232.713359][ T6843] dump_backtrace+0x0/0x458 [ 232.714073][ T6843] show_stack+0x2c/0x3c [ 232.714822][ T6843] __dump_stack+0x30/0x40 [ 232.715613][ T6843] dump_stack_lvl+0xf4/0x15c [ 232.716414][ T6843] dump_stack+0x1c/0x5c [ 232.717120][ T6843] sysfs_create_dir_ns+0x244/0x264 [ 232.717970][ T6843] kobject_add_internal+0x5ac/0xc3c [ 232.718897][ T6843] kobject_init_and_add+0x124/0x190 [ 232.719776][ T6843] gfs2_sys_fs_add+0x200/0x41c [ 232.720549][ T6843] gfs2_fill_super+0xddc/0x1a18 [ 232.721421][ T6843] get_tree_bdev+0x358/0x544 [ 232.722226][ T6843] gfs2_get_tree+0x54/0x1b4 [ 232.722991][ T6843] vfs_get_tree+0x90/0x274 [ 232.723723][ T6843] do_new_mount+0x228/0x810 [ 232.724499][ T6843] path_mount+0x5bc/0x1008 [ 232.725261][ T6843] __arm64_sys_mount+0x514/0x5f0 [ 232.726110][ T6843] invoke_syscall+0x98/0x2b0 [ 232.726889][ T6843] el0_svc_common+0x138/0x258 [ 232.727659][ T6843] do_el0_svc+0x58/0x13c [ 232.728378][ T6843] el0_svc+0x78/0x1d0 [ 232.729022][ T6843] el0t_64_sync_handler+0xcc/0xe4 [ 232.729911][ T6843] el0t_64_sync+0x1a0/0x1a4 [ 232.732946][ T6843] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.735001][ T6843] gfs2: fsid=](_: error -17 adding sysfs files [ 232.873712][ T6846] loop1: detected capacity change from 0 to 32768 [ 232.883036][ T6846] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.884196][ T6846] CPU: 1 PID: 6846 Comm: syz.1.634 Not tainted syzkaller #0 [ 232.885356][ T6846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 232.887092][ T6846] Call trace: [ 232.887638][ T6846] dump_backtrace+0x0/0x458 [ 232.888774][ T6846] show_stack+0x2c/0x3c [ 232.889444][ T6846] __dump_stack+0x30/0x40 [ 232.890147][ T6846] dump_stack_lvl+0xf4/0x15c [ 232.890925][ T6846] dump_stack+0x1c/0x5c [ 232.891626][ T6846] sysfs_create_dir_ns+0x244/0x264 [ 232.892543][ T6846] kobject_add_internal+0x5ac/0xc3c [ 232.893459][ T6846] kobject_init_and_add+0x124/0x190 [ 232.894396][ T6846] gfs2_sys_fs_add+0x200/0x41c [ 232.895250][ T6846] gfs2_fill_super+0xddc/0x1a18 [ 232.896115][ T6846] get_tree_bdev+0x358/0x544 [ 232.896880][ T6846] gfs2_get_tree+0x54/0x1b4 [ 232.897649][ T6846] vfs_get_tree+0x90/0x274 [ 232.898401][ T6846] do_new_mount+0x228/0x810 [ 232.899192][ T6846] path_mount+0x5bc/0x1008 [ 232.899946][ T6846] __arm64_sys_mount+0x514/0x5f0 [ 232.900770][ T6846] invoke_syscall+0x98/0x2b0 [ 232.901525][ T6846] el0_svc_common+0x138/0x258 [ 232.902262][ T6846] do_el0_svc+0x58/0x13c [ 232.903011][ T6846] el0_svc+0x78/0x1d0 [ 232.903674][ T6846] el0t_64_sync_handler+0xcc/0xe4 [ 232.904484][ T6846] el0t_64_sync+0x1a0/0x1a4 [ 232.906995][ T6846] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.909005][ T6846] gfs2: fsid=](_: error -17 adding sysfs files [ 233.047176][ T6849] loop1: detected capacity change from 0 to 32768 [ 233.054872][ T6849] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.056011][ T6849] CPU: 1 PID: 6849 Comm: syz.1.635 Not tainted syzkaller #0 [ 233.057271][ T6849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.059025][ T6849] Call trace: [ 233.059573][ T6849] dump_backtrace+0x0/0x458 [ 233.060300][ T6849] show_stack+0x2c/0x3c [ 233.061020][ T6849] __dump_stack+0x30/0x40 [ 233.061774][ T6849] dump_stack_lvl+0xf4/0x15c [ 233.062569][ T6849] dump_stack+0x1c/0x5c [ 233.063286][ T6849] sysfs_create_dir_ns+0x244/0x264 [ 233.064163][ T6849] kobject_add_internal+0x5ac/0xc3c [ 233.065087][ T6849] kobject_init_and_add+0x124/0x190 [ 233.065917][ T6849] gfs2_sys_fs_add+0x200/0x41c [ 233.066693][ T6849] gfs2_fill_super+0xddc/0x1a18 [ 233.067475][ T6849] get_tree_bdev+0x358/0x544 [ 233.068273][ T6849] gfs2_get_tree+0x54/0x1b4 [ 233.069054][ T6849] vfs_get_tree+0x90/0x274 [ 233.069841][ T6849] do_new_mount+0x228/0x810 [ 233.070614][ T6849] path_mount+0x5bc/0x1008 [ 233.071339][ T6849] __arm64_sys_mount+0x514/0x5f0 [ 233.072244][ T6849] invoke_syscall+0x98/0x2b0 [ 233.073012][ T6849] el0_svc_common+0x138/0x258 [ 233.073927][ T6849] do_el0_svc+0x58/0x13c [ 233.074630][ T6849] el0_svc+0x78/0x1d0 [ 233.075312][ T6849] el0t_64_sync_handler+0xcc/0xe4 [ 233.076234][ T6849] el0t_64_sync+0x1a0/0x1a4 [ 233.080268][ T6849] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.082341][ T6849] gfs2: fsid=](_: error -17 adding sysfs files [ 233.217346][ T6852] loop1: detected capacity change from 0 to 32768 [ 233.299489][ T6852] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.300625][ T6852] CPU: 0 PID: 6852 Comm: syz.1.636 Not tainted syzkaller #0 [ 233.301825][ T6852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.303543][ T6852] Call trace: [ 233.304085][ T6852] dump_backtrace+0x0/0x458 [ 233.304824][ T6852] show_stack+0x2c/0x3c [ 233.305500][ T6852] __dump_stack+0x30/0x40 [ 233.306257][ T6852] dump_stack_lvl+0xf4/0x15c [ 233.307041][ T6852] dump_stack+0x1c/0x5c [ 233.307794][ T6852] sysfs_create_dir_ns+0x244/0x264 [ 233.308704][ T6852] kobject_add_internal+0x5ac/0xc3c [ 233.309588][ T6852] kobject_init_and_add+0x124/0x190 [ 233.310503][ T6852] gfs2_sys_fs_add+0x200/0x41c [ 233.311320][ T6852] gfs2_fill_super+0xddc/0x1a18 [ 233.312176][ T6852] get_tree_bdev+0x358/0x544 [ 233.312962][ T6852] gfs2_get_tree+0x54/0x1b4 [ 233.313745][ T6852] vfs_get_tree+0x90/0x274 [ 233.314504][ T6852] do_new_mount+0x228/0x810 [ 233.315276][ T6852] path_mount+0x5bc/0x1008 [ 233.316017][ T6852] __arm64_sys_mount+0x514/0x5f0 [ 233.316886][ T6852] invoke_syscall+0x98/0x2b0 [ 233.317738][ T6852] el0_svc_common+0x138/0x258 [ 233.318514][ T6852] do_el0_svc+0x58/0x13c [ 233.319217][ T6852] el0_svc+0x78/0x1d0 [ 233.319889][ T6852] el0t_64_sync_handler+0xcc/0xe4 [ 233.320764][ T6852] el0t_64_sync+0x1a0/0x1a4 [ 233.322941][ T6852] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.325271][ T6852] gfs2: fsid=](_: error -17 adding sysfs files [ 233.506003][ T6855] loop1: detected capacity change from 0 to 32768 [ 233.517198][ T4182] Bluetooth: hci2: command 0x040f tx timeout [ 233.582538][ T6855] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.583752][ T6855] CPU: 0 PID: 6855 Comm: syz.1.637 Not tainted syzkaller #0 [ 233.584960][ T6855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.586674][ T6855] Call trace: [ 233.587226][ T6855] dump_backtrace+0x0/0x458 [ 233.587988][ T6855] show_stack+0x2c/0x3c [ 233.588774][ T6855] __dump_stack+0x30/0x40 [ 233.589524][ T6855] dump_stack_lvl+0xf4/0x15c [ 233.590248][ T6855] dump_stack+0x1c/0x5c [ 233.590893][ T6855] sysfs_create_dir_ns+0x244/0x264 [ 233.591787][ T6855] kobject_add_internal+0x5ac/0xc3c [ 233.592761][ T6855] kobject_init_and_add+0x124/0x190 [ 233.593596][ T6855] gfs2_sys_fs_add+0x200/0x41c [ 233.594413][ T6855] gfs2_fill_super+0xddc/0x1a18 [ 233.595237][ T6855] get_tree_bdev+0x358/0x544 [ 233.596034][ T6855] gfs2_get_tree+0x54/0x1b4 [ 233.596879][ T6855] vfs_get_tree+0x90/0x274 [ 233.597596][ T6855] do_new_mount+0x228/0x810 [ 233.598338][ T6855] path_mount+0x5bc/0x1008 [ 233.599085][ T6855] __arm64_sys_mount+0x514/0x5f0 [ 233.599890][ T6855] invoke_syscall+0x98/0x2b0 [ 233.600696][ T6855] el0_svc_common+0x138/0x258 [ 233.601517][ T6855] do_el0_svc+0x58/0x13c [ 233.602269][ T6855] el0_svc+0x78/0x1d0 [ 233.602915][ T6855] el0t_64_sync_handler+0xcc/0xe4 [ 233.603796][ T6855] el0t_64_sync+0x1a0/0x1a4 [ 233.605079][ T6855] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.607774][ T6855] gfs2: fsid=](_: error -17 adding sysfs files [ 233.783194][ T6858] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.784407][ T6858] CPU: 1 PID: 6858 Comm: syz.1.638 Not tainted syzkaller #0 [ 233.785686][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.787496][ T6858] Call trace: [ 233.788072][ T6858] dump_backtrace+0x0/0x458 [ 233.788853][ T6858] show_stack+0x2c/0x3c [ 233.789574][ T6858] __dump_stack+0x30/0x40 [ 233.790330][ T6858] dump_stack_lvl+0xf4/0x15c [ 233.791153][ T6858] dump_stack+0x1c/0x5c [ 233.791847][ T6858] sysfs_create_dir_ns+0x244/0x264 [ 233.792727][ T6858] kobject_add_internal+0x5ac/0xc3c [ 233.793572][ T6858] kobject_init_and_add+0x124/0x190 [ 233.794460][ T6858] gfs2_sys_fs_add+0x200/0x41c [ 233.795268][ T6858] gfs2_fill_super+0xddc/0x1a18 [ 233.796088][ T6858] get_tree_bdev+0x358/0x544 [ 233.796865][ T6858] gfs2_get_tree+0x54/0x1b4 [ 233.797628][ T6858] vfs_get_tree+0x90/0x274 [ 233.798345][ T6858] do_new_mount+0x228/0x810 [ 233.799084][ T6858] path_mount+0x5bc/0x1008 [ 233.799831][ T6858] __arm64_sys_mount+0x514/0x5f0 [ 233.800649][ T6858] invoke_syscall+0x98/0x2b0 [ 233.801379][ T6858] el0_svc_common+0x138/0x258 [ 233.802115][ T6858] do_el0_svc+0x58/0x13c [ 233.802837][ T6858] el0_svc+0x78/0x1d0 [ 233.803513][ T6858] el0t_64_sync_handler+0xcc/0xe4 [ 233.804319][ T6858] el0t_64_sync+0x1a0/0x1a4 [ 233.806836][ T6858] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.809042][ T6858] gfs2: fsid=](_: error -17 adding sysfs files [ 233.956272][ T6861] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 233.957714][ T6861] CPU: 1 PID: 6861 Comm: syz.1.639 Not tainted syzkaller #0 [ 233.958920][ T6861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 233.960592][ T6861] Call trace: [ 233.961197][ T6861] dump_backtrace+0x0/0x458 [ 233.961977][ T6861] show_stack+0x2c/0x3c [ 233.962640][ T6861] __dump_stack+0x30/0x40 [ 233.963418][ T6861] dump_stack_lvl+0xf4/0x15c [ 233.964183][ T6861] dump_stack+0x1c/0x5c [ 233.964860][ T6861] sysfs_create_dir_ns+0x244/0x264 [ 233.965702][ T6861] kobject_add_internal+0x5ac/0xc3c [ 233.966495][ T6861] kobject_init_and_add+0x124/0x190 [ 233.967350][ T6861] gfs2_sys_fs_add+0x200/0x41c [ 233.968183][ T6861] gfs2_fill_super+0xddc/0x1a18 [ 233.969025][ T6861] get_tree_bdev+0x358/0x544 [ 233.969866][ T6861] gfs2_get_tree+0x54/0x1b4 [ 233.970655][ T6861] vfs_get_tree+0x90/0x274 [ 233.971461][ T6861] do_new_mount+0x228/0x810 [ 233.972220][ T6861] path_mount+0x5bc/0x1008 [ 233.972986][ T6861] __arm64_sys_mount+0x514/0x5f0 [ 233.973845][ T6861] invoke_syscall+0x98/0x2b0 [ 233.974623][ T6861] el0_svc_common+0x138/0x258 [ 233.975446][ T6861] do_el0_svc+0x58/0x13c [ 233.976180][ T6861] el0_svc+0x78/0x1d0 [ 233.976871][ T6861] el0t_64_sync_handler+0xcc/0xe4 [ 233.977715][ T6861] el0t_64_sync+0x1a0/0x1a4 [ 233.981855][ T6861] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 233.983777][ T6861] gfs2: fsid=](_: error -17 adding sysfs files [ 234.193662][ T6864] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.194835][ T6864] CPU: 1 PID: 6864 Comm: syz.1.640 Not tainted syzkaller #0 [ 234.196015][ T6864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 234.197791][ T6864] Call trace: [ 234.198361][ T6864] dump_backtrace+0x0/0x458 [ 234.199094][ T6864] show_stack+0x2c/0x3c [ 234.199788][ T6864] __dump_stack+0x30/0x40 [ 234.200580][ T6864] dump_stack_lvl+0xf4/0x15c [ 234.201359][ T6864] dump_stack+0x1c/0x5c [ 234.202059][ T6864] sysfs_create_dir_ns+0x244/0x264 [ 234.202972][ T6864] kobject_add_internal+0x5ac/0xc3c [ 234.203858][ T6864] kobject_init_and_add+0x124/0x190 [ 234.204758][ T6864] gfs2_sys_fs_add+0x200/0x41c [ 234.205596][ T6864] gfs2_fill_super+0xddc/0x1a18 [ 234.206391][ T6864] get_tree_bdev+0x358/0x544 [ 234.207174][ T6864] gfs2_get_tree+0x54/0x1b4 [ 234.207921][ T6864] vfs_get_tree+0x90/0x274 [ 234.208663][ T6864] do_new_mount+0x228/0x810 [ 234.209400][ T6864] path_mount+0x5bc/0x1008 [ 234.210132][ T6864] __arm64_sys_mount+0x514/0x5f0 [ 234.210986][ T6864] invoke_syscall+0x98/0x2b0 [ 234.211721][ T6864] el0_svc_common+0x138/0x258 [ 234.212503][ T6864] do_el0_svc+0x58/0x13c [ 234.213212][ T6864] el0_svc+0x78/0x1d0 [ 234.213885][ T6864] el0t_64_sync_handler+0xcc/0xe4 [ 234.214703][ T6864] el0t_64_sync+0x1a0/0x1a4 [ 234.217315][ T6864] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.219310][ T6864] gfs2: fsid=](_: error -17 adding sysfs files [ 234.407452][ T6867] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.408734][ T6867] CPU: 0 PID: 6867 Comm: syz.1.641 Not tainted syzkaller #0 [ 234.410101][ T6867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 234.411760][ T6867] Call trace: [ 234.412313][ T6867] dump_backtrace+0x0/0x458 [ 234.413057][ T6867] show_stack+0x2c/0x3c [ 234.413733][ T6867] __dump_stack+0x30/0x40 [ 234.414489][ T6867] dump_stack_lvl+0xf4/0x15c [ 234.415345][ T6867] dump_stack+0x1c/0x5c [ 234.416052][ T6867] sysfs_create_dir_ns+0x244/0x264 [ 234.416889][ T6867] kobject_add_internal+0x5ac/0xc3c [ 234.417768][ T6867] kobject_init_and_add+0x124/0x190 [ 234.418633][ T6867] gfs2_sys_fs_add+0x200/0x41c [ 234.419439][ T6867] gfs2_fill_super+0xddc/0x1a18 [ 234.420322][ T6867] get_tree_bdev+0x358/0x544 [ 234.421170][ T6867] gfs2_get_tree+0x54/0x1b4 [ 234.421898][ T6867] vfs_get_tree+0x90/0x274 [ 234.422648][ T6867] do_new_mount+0x228/0x810 [ 234.423470][ T6867] path_mount+0x5bc/0x1008 [ 234.424188][ T6867] __arm64_sys_mount+0x514/0x5f0 [ 234.425016][ T6867] invoke_syscall+0x98/0x2b0 [ 234.425819][ T6867] el0_svc_common+0x138/0x258 [ 234.426547][ T6867] do_el0_svc+0x58/0x13c [ 234.427239][ T6867] el0_svc+0x78/0x1d0 [ 234.427897][ T6867] el0t_64_sync_handler+0xcc/0xe4 [ 234.428824][ T6867] el0t_64_sync+0x1a0/0x1a4 [ 234.429923][ T6867] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.432168][ T6867] gfs2: fsid=](_: error -17 adding sysfs files [ 234.619698][ T6870] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.620932][ T6870] CPU: 1 PID: 6870 Comm: syz.1.642 Not tainted syzkaller #0 [ 234.622190][ T6870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 234.623956][ T6870] Call trace: [ 234.624489][ T6870] dump_backtrace+0x0/0x458 [ 234.625321][ T6870] show_stack+0x2c/0x3c [ 234.626009][ T6870] __dump_stack+0x30/0x40 [ 234.626809][ T6870] dump_stack_lvl+0xf4/0x15c [ 234.627582][ T6870] dump_stack+0x1c/0x5c [ 234.628347][ T6870] sysfs_create_dir_ns+0x244/0x264 [ 234.629179][ T6870] kobject_add_internal+0x5ac/0xc3c [ 234.630111][ T6870] kobject_init_and_add+0x124/0x190 [ 234.631078][ T6870] gfs2_sys_fs_add+0x200/0x41c [ 234.631916][ T6870] gfs2_fill_super+0xddc/0x1a18 [ 234.632819][ T6870] get_tree_bdev+0x358/0x544 [ 234.633544][ T6870] gfs2_get_tree+0x54/0x1b4 [ 234.634357][ T6870] vfs_get_tree+0x90/0x274 [ 234.635105][ T6870] do_new_mount+0x228/0x810 [ 234.635895][ T6870] path_mount+0x5bc/0x1008 [ 234.636727][ T6870] __arm64_sys_mount+0x514/0x5f0 [ 234.637622][ T6870] invoke_syscall+0x98/0x2b0 [ 234.638404][ T6870] el0_svc_common+0x138/0x258 [ 234.639161][ T6870] do_el0_svc+0x58/0x13c [ 234.639982][ T6870] el0_svc+0x78/0x1d0 [ 234.640621][ T6870] el0t_64_sync_handler+0xcc/0xe4 [ 234.641548][ T6870] el0t_64_sync+0x1a0/0x1a4 [ 234.643967][ T6870] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.645897][ T6870] gfs2: fsid=](_: error -17 adding sysfs files [ 234.877122][ T6873] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 234.878299][ T6873] CPU: 0 PID: 6873 Comm: syz.1.643 Not tainted syzkaller #0 [ 234.879650][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 234.881394][ T6873] Call trace: [ 234.881902][ T6873] dump_backtrace+0x0/0x458 [ 234.882738][ T6873] show_stack+0x2c/0x3c [ 234.883466][ T6873] __dump_stack+0x30/0x40 [ 234.884220][ T6873] dump_stack_lvl+0xf4/0x15c [ 234.885078][ T6873] dump_stack+0x1c/0x5c [ 234.885780][ T6873] sysfs_create_dir_ns+0x244/0x264 [ 234.886633][ T6873] kobject_add_internal+0x5ac/0xc3c [ 234.887556][ T6873] kobject_init_and_add+0x124/0x190 [ 234.888434][ T6873] gfs2_sys_fs_add+0x200/0x41c [ 234.889240][ T6873] gfs2_fill_super+0xddc/0x1a18 [ 234.890097][ T6873] get_tree_bdev+0x358/0x544 [ 234.890896][ T6873] gfs2_get_tree+0x54/0x1b4 [ 234.891667][ T6873] vfs_get_tree+0x90/0x274 [ 234.892414][ T6873] do_new_mount+0x228/0x810 [ 234.893218][ T6873] path_mount+0x5bc/0x1008 [ 234.893937][ T6873] __arm64_sys_mount+0x514/0x5f0 [ 234.894710][ T6873] invoke_syscall+0x98/0x2b0 [ 234.895509][ T6873] el0_svc_common+0x138/0x258 [ 234.896304][ T6873] do_el0_svc+0x58/0x13c [ 234.897042][ T6873] el0_svc+0x78/0x1d0 [ 234.897751][ T6873] el0t_64_sync_handler+0xcc/0xe4 [ 234.898614][ T6873] el0t_64_sync+0x1a0/0x1a4 [ 234.900075][ T6873] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 234.902200][ T6873] gfs2: fsid=](_: error -17 adding sysfs files [ 235.133826][ T6876] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.135035][ T6876] CPU: 0 PID: 6876 Comm: syz.1.644 Not tainted syzkaller #0 [ 235.136230][ T6876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.138019][ T6876] Call trace: [ 235.138563][ T6876] dump_backtrace+0x0/0x458 [ 235.139330][ T6876] show_stack+0x2c/0x3c [ 235.140040][ T6876] __dump_stack+0x30/0x40 [ 235.140756][ T6876] dump_stack_lvl+0xf4/0x15c [ 235.141532][ T6876] dump_stack+0x1c/0x5c [ 235.142238][ T6876] sysfs_create_dir_ns+0x244/0x264 [ 235.143120][ T6876] kobject_add_internal+0x5ac/0xc3c [ 235.144042][ T6876] kobject_init_and_add+0x124/0x190 [ 235.144966][ T6876] gfs2_sys_fs_add+0x200/0x41c [ 235.145764][ T6876] gfs2_fill_super+0xddc/0x1a18 [ 235.146567][ T6876] get_tree_bdev+0x358/0x544 [ 235.147332][ T6876] gfs2_get_tree+0x54/0x1b4 [ 235.148101][ T6876] vfs_get_tree+0x90/0x274 [ 235.148829][ T6876] do_new_mount+0x228/0x810 [ 235.149651][ T6876] path_mount+0x5bc/0x1008 [ 235.150422][ T6876] __arm64_sys_mount+0x514/0x5f0 [ 235.151278][ T6876] invoke_syscall+0x98/0x2b0 [ 235.152040][ T6876] el0_svc_common+0x138/0x258 [ 235.152797][ T6876] do_el0_svc+0x58/0x13c [ 235.153540][ T6876] el0_svc+0x78/0x1d0 [ 235.154207][ T6876] el0t_64_sync_handler+0xcc/0xe4 [ 235.155045][ T6876] el0t_64_sync+0x1a0/0x1a4 [ 235.156062][ T6876] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.158155][ T6876] gfs2: fsid=](_: error -17 adding sysfs files [ 235.424254][ T6879] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.425772][ T6879] CPU: 0 PID: 6879 Comm: syz.1.645 Not tainted syzkaller #0 [ 235.427038][ T6879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.428790][ T6879] Call trace: [ 235.429390][ T6879] dump_backtrace+0x0/0x458 [ 235.430230][ T6879] show_stack+0x2c/0x3c [ 235.430941][ T6879] __dump_stack+0x30/0x40 [ 235.431660][ T6879] dump_stack_lvl+0xf4/0x15c [ 235.432441][ T6879] dump_stack+0x1c/0x5c [ 235.433152][ T6879] sysfs_create_dir_ns+0x244/0x264 [ 235.434029][ T6879] kobject_add_internal+0x5ac/0xc3c [ 235.435030][ T6879] kobject_init_and_add+0x124/0x190 [ 235.435947][ T6879] gfs2_sys_fs_add+0x200/0x41c [ 235.436787][ T6879] gfs2_fill_super+0xddc/0x1a18 [ 235.437658][ T6879] get_tree_bdev+0x358/0x544 [ 235.438416][ T6879] gfs2_get_tree+0x54/0x1b4 [ 235.439254][ T6879] vfs_get_tree+0x90/0x274 [ 235.439984][ T6879] do_new_mount+0x228/0x810 [ 235.440759][ T6879] path_mount+0x5bc/0x1008 [ 235.441609][ T6879] __arm64_sys_mount+0x514/0x5f0 [ 235.442451][ T6879] invoke_syscall+0x98/0x2b0 [ 235.443224][ T6879] el0_svc_common+0x138/0x258 [ 235.444026][ T6879] do_el0_svc+0x58/0x13c [ 235.444734][ T6879] el0_svc+0x78/0x1d0 [ 235.445449][ T6879] el0t_64_sync_handler+0xcc/0xe4 [ 235.446304][ T6879] el0t_64_sync+0x1a0/0x1a4 [ 235.447839][ T6879] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.449967][ T6879] gfs2: fsid=](_: error -17 adding sysfs files [ 235.597036][ T4181] Bluetooth: hci2: command 0x0419 tx timeout [ 235.692814][ T6882] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.694010][ T6882] CPU: 1 PID: 6882 Comm: syz.1.646 Not tainted syzkaller #0 [ 235.695393][ T6882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.697153][ T6882] Call trace: [ 235.697707][ T6882] dump_backtrace+0x0/0x458 [ 235.698531][ T6882] show_stack+0x2c/0x3c [ 235.699290][ T6882] __dump_stack+0x30/0x40 [ 235.700011][ T6882] dump_stack_lvl+0xf4/0x15c [ 235.700773][ T6882] dump_stack+0x1c/0x5c [ 235.701503][ T6882] sysfs_create_dir_ns+0x244/0x264 [ 235.702332][ T6882] kobject_add_internal+0x5ac/0xc3c [ 235.703186][ T6882] kobject_init_and_add+0x124/0x190 [ 235.704092][ T6882] gfs2_sys_fs_add+0x200/0x41c [ 235.704925][ T6882] gfs2_fill_super+0xddc/0x1a18 [ 235.705806][ T6882] get_tree_bdev+0x358/0x544 [ 235.706599][ T6882] gfs2_get_tree+0x54/0x1b4 [ 235.707448][ T6882] vfs_get_tree+0x90/0x274 [ 235.708177][ T6882] do_new_mount+0x228/0x810 [ 235.708954][ T6882] path_mount+0x5bc/0x1008 [ 235.709683][ T6882] __arm64_sys_mount+0x514/0x5f0 [ 235.710539][ T6882] invoke_syscall+0x98/0x2b0 [ 235.711297][ T6882] el0_svc_common+0x138/0x258 [ 235.712096][ T6882] do_el0_svc+0x58/0x13c [ 235.712783][ T6882] el0_svc+0x78/0x1d0 [ 235.713479][ T6882] el0t_64_sync_handler+0xcc/0xe4 [ 235.714393][ T6882] el0t_64_sync+0x1a0/0x1a4 [ 235.716777][ T6882] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.719110][ T6882] gfs2: fsid=](_: error -17 adding sysfs files [ 235.866124][ T6885] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 235.867432][ T6885] CPU: 0 PID: 6885 Comm: syz.1.647 Not tainted syzkaller #0 [ 235.868680][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 235.870451][ T6885] Call trace: [ 235.871066][ T6885] dump_backtrace+0x0/0x458 [ 235.871892][ T6885] show_stack+0x2c/0x3c [ 235.872568][ T6885] __dump_stack+0x30/0x40 [ 235.873310][ T6885] dump_stack_lvl+0xf4/0x15c [ 235.874071][ T6885] dump_stack+0x1c/0x5c [ 235.874717][ T6885] sysfs_create_dir_ns+0x244/0x264 [ 235.875563][ T6885] kobject_add_internal+0x5ac/0xc3c [ 235.876398][ T6885] kobject_init_and_add+0x124/0x190 [ 235.877216][ T6885] gfs2_sys_fs_add+0x200/0x41c [ 235.878023][ T6885] gfs2_fill_super+0xddc/0x1a18 [ 235.878821][ T6885] get_tree_bdev+0x358/0x544 [ 235.879612][ T6885] gfs2_get_tree+0x54/0x1b4 [ 235.880399][ T6885] vfs_get_tree+0x90/0x274 [ 235.881169][ T6885] do_new_mount+0x228/0x810 [ 235.881981][ T6885] path_mount+0x5bc/0x1008 [ 235.882791][ T6885] __arm64_sys_mount+0x514/0x5f0 [ 235.883650][ T6885] invoke_syscall+0x98/0x2b0 [ 235.884539][ T6885] el0_svc_common+0x138/0x258 [ 235.885348][ T6885] do_el0_svc+0x58/0x13c [ 235.886081][ T6885] el0_svc+0x78/0x1d0 [ 235.886801][ T6885] el0t_64_sync_handler+0xcc/0xe4 [ 235.887694][ T6885] el0t_64_sync+0x1a0/0x1a4 [ 235.890429][ T6885] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 235.892463][ T6885] gfs2: fsid=](_: error -17 adding sysfs files [ 236.123669][ T6888] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.124981][ T6888] CPU: 0 PID: 6888 Comm: syz.1.648 Not tainted syzkaller #0 [ 236.126092][ T6888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 236.127772][ T6888] Call trace: [ 236.128282][ T6888] dump_backtrace+0x0/0x458 [ 236.129018][ T6888] show_stack+0x2c/0x3c [ 236.129719][ T6888] __dump_stack+0x30/0x40 [ 236.130399][ T6888] dump_stack_lvl+0xf4/0x15c [ 236.131183][ T6888] dump_stack+0x1c/0x5c [ 236.131877][ T6888] sysfs_create_dir_ns+0x244/0x264 [ 236.132796][ T6888] kobject_add_internal+0x5ac/0xc3c [ 236.133674][ T6888] kobject_init_and_add+0x124/0x190 [ 236.134512][ T6888] gfs2_sys_fs_add+0x200/0x41c [ 236.135310][ T6888] gfs2_fill_super+0xddc/0x1a18 [ 236.136084][ T6888] get_tree_bdev+0x358/0x544 [ 236.136820][ T6888] gfs2_get_tree+0x54/0x1b4 [ 236.137568][ T6888] vfs_get_tree+0x90/0x274 [ 236.138305][ T6888] do_new_mount+0x228/0x810 [ 236.139044][ T6888] path_mount+0x5bc/0x1008 [ 236.139812][ T6888] __arm64_sys_mount+0x514/0x5f0 [ 236.140652][ T6888] invoke_syscall+0x98/0x2b0 [ 236.141466][ T6888] el0_svc_common+0x138/0x258 [ 236.142308][ T6888] do_el0_svc+0x58/0x13c [ 236.143060][ T6888] el0_svc+0x78/0x1d0 [ 236.143779][ T6888] el0t_64_sync_handler+0xcc/0xe4 [ 236.144585][ T6888] el0t_64_sync+0x1a0/0x1a4 [ 236.148567][ T6888] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.150629][ T6888] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:56 executed programs: 635 [ 236.328354][ T6891] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.329591][ T6891] CPU: 1 PID: 6891 Comm: syz.1.649 Not tainted syzkaller #0 [ 236.330907][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 236.332756][ T6891] Call trace: [ 236.333342][ T6891] dump_backtrace+0x0/0x458 [ 236.334118][ T6891] show_stack+0x2c/0x3c [ 236.334844][ T6891] __dump_stack+0x30/0x40 [ 236.335598][ T6891] dump_stack_lvl+0xf4/0x15c [ 236.336406][ T6891] dump_stack+0x1c/0x5c [ 236.337130][ T6891] sysfs_create_dir_ns+0x244/0x264 [ 236.338014][ T6891] kobject_add_internal+0x5ac/0xc3c [ 236.338966][ T6891] kobject_init_and_add+0x124/0x190 [ 236.339846][ T6891] gfs2_sys_fs_add+0x200/0x41c [ 236.340719][ T6891] gfs2_fill_super+0xddc/0x1a18 [ 236.341487][ T6891] get_tree_bdev+0x358/0x544 [ 236.342230][ T6891] gfs2_get_tree+0x54/0x1b4 [ 236.343013][ T6891] vfs_get_tree+0x90/0x274 [ 236.343814][ T6891] do_new_mount+0x228/0x810 [ 236.344611][ T6891] path_mount+0x5bc/0x1008 [ 236.345378][ T6891] __arm64_sys_mount+0x514/0x5f0 [ 236.346250][ T6891] invoke_syscall+0x98/0x2b0 [ 236.347102][ T6891] el0_svc_common+0x138/0x258 [ 236.347924][ T6891] do_el0_svc+0x58/0x13c [ 236.348719][ T6891] el0_svc+0x78/0x1d0 [ 236.349440][ T6891] el0t_64_sync_handler+0xcc/0xe4 [ 236.350269][ T6891] el0t_64_sync+0x1a0/0x1a4 [ 236.352539][ T6891] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.354631][ T6891] gfs2: fsid=](_: error -17 adding sysfs files [ 236.549721][ T6894] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.551298][ T6894] CPU: 0 PID: 6894 Comm: syz.1.650 Not tainted syzkaller #0 [ 236.552457][ T6894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 236.554226][ T6894] Call trace: [ 236.554837][ T6894] dump_backtrace+0x0/0x458 [ 236.555625][ T6894] show_stack+0x2c/0x3c [ 236.556250][ T6894] __dump_stack+0x30/0x40 [ 236.556982][ T6894] dump_stack_lvl+0xf4/0x15c [ 236.557780][ T6894] dump_stack+0x1c/0x5c [ 236.558520][ T6894] sysfs_create_dir_ns+0x244/0x264 [ 236.559327][ T6894] kobject_add_internal+0x5ac/0xc3c [ 236.560187][ T6894] kobject_init_and_add+0x124/0x190 [ 236.561093][ T6894] gfs2_sys_fs_add+0x200/0x41c [ 236.561896][ T6894] gfs2_fill_super+0xddc/0x1a18 [ 236.562708][ T6894] get_tree_bdev+0x358/0x544 [ 236.563449][ T6894] gfs2_get_tree+0x54/0x1b4 [ 236.564219][ T6894] vfs_get_tree+0x90/0x274 [ 236.564966][ T6894] do_new_mount+0x228/0x810 [ 236.565737][ T6894] path_mount+0x5bc/0x1008 [ 236.566517][ T6894] __arm64_sys_mount+0x514/0x5f0 [ 236.567390][ T6894] invoke_syscall+0x98/0x2b0 [ 236.568182][ T6894] el0_svc_common+0x138/0x258 [ 236.568897][ T6894] do_el0_svc+0x58/0x13c [ 236.569575][ T6894] el0_svc+0x78/0x1d0 [ 236.570216][ T6894] el0t_64_sync_handler+0xcc/0xe4 [ 236.571020][ T6894] el0t_64_sync+0x1a0/0x1a4 [ 236.571879][ T6894] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.573829][ T6894] gfs2: fsid=](_: error -17 adding sysfs files [ 236.800634][ T6897] set_capacity_and_notify: 13 callbacks suppressed [ 236.800644][ T6897] loop1: detected capacity change from 0 to 32768 [ 236.853409][ T6897] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 236.854685][ T6897] CPU: 1 PID: 6897 Comm: syz.1.651 Not tainted syzkaller #0 [ 236.855898][ T6897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 236.857695][ T6897] Call trace: [ 236.858259][ T6897] dump_backtrace+0x0/0x458 [ 236.859033][ T6897] show_stack+0x2c/0x3c [ 236.859726][ T6897] __dump_stack+0x30/0x40 [ 236.860512][ T6897] dump_stack_lvl+0xf4/0x15c [ 236.861308][ T6897] dump_stack+0x1c/0x5c [ 236.862137][ T6897] sysfs_create_dir_ns+0x244/0x264 [ 236.862999][ T6897] kobject_add_internal+0x5ac/0xc3c [ 236.863855][ T6897] kobject_init_and_add+0x124/0x190 [ 236.864679][ T6897] gfs2_sys_fs_add+0x200/0x41c [ 236.865477][ T6897] gfs2_fill_super+0xddc/0x1a18 [ 236.866257][ T6897] get_tree_bdev+0x358/0x544 [ 236.867032][ T6897] gfs2_get_tree+0x54/0x1b4 [ 236.867809][ T6897] vfs_get_tree+0x90/0x274 [ 236.868533][ T6897] do_new_mount+0x228/0x810 [ 236.869304][ T6897] path_mount+0x5bc/0x1008 [ 236.870040][ T6897] __arm64_sys_mount+0x514/0x5f0 [ 236.870884][ T6897] invoke_syscall+0x98/0x2b0 [ 236.871699][ T6897] el0_svc_common+0x138/0x258 [ 236.872517][ T6897] do_el0_svc+0x58/0x13c [ 236.873227][ T6897] el0_svc+0x78/0x1d0 [ 236.873889][ T6897] el0t_64_sync_handler+0xcc/0xe4 [ 236.874723][ T6897] el0t_64_sync+0x1a0/0x1a4 [ 236.877373][ T6897] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 236.879407][ T6897] gfs2: fsid=](_: error -17 adding sysfs files [ 237.025838][ T6900] loop1: detected capacity change from 0 to 32768 [ 237.034861][ T6900] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 237.036050][ T6900] CPU: 0 PID: 6900 Comm: syz.1.652 Not tainted syzkaller #0 [ 237.037271][ T6900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.038981][ T6900] Call trace: [ 237.039590][ T6900] dump_backtrace+0x0/0x458 [ 237.040357][ T6900] show_stack+0x2c/0x3c [ 237.041086][ T6900] __dump_stack+0x30/0x40 [ 237.041872][ T6900] dump_stack_lvl+0xf4/0x15c [ 237.042664][ T6900] dump_stack+0x1c/0x5c [ 237.043407][ T6900] sysfs_create_dir_ns+0x244/0x264 [ 237.044302][ T6900] kobject_add_internal+0x5ac/0xc3c [ 237.045215][ T6900] kobject_init_and_add+0x124/0x190 [ 237.046225][ T6900] gfs2_sys_fs_add+0x200/0x41c [ 237.047093][ T6900] gfs2_fill_super+0xddc/0x1a18 [ 237.047974][ T6900] get_tree_bdev+0x358/0x544 [ 237.048759][ T6900] gfs2_get_tree+0x54/0x1b4 [ 237.049530][ T6900] vfs_get_tree+0x90/0x274 [ 237.050358][ T6900] do_new_mount+0x228/0x810 [ 237.051164][ T6900] path_mount+0x5bc/0x1008 [ 237.051922][ T6900] __arm64_sys_mount+0x514/0x5f0 [ 237.052773][ T6900] invoke_syscall+0x98/0x2b0 [ 237.053617][ T6900] el0_svc_common+0x138/0x258 [ 237.054454][ T6900] do_el0_svc+0x58/0x13c [ 237.055178][ T6900] el0_svc+0x78/0x1d0 [ 237.055847][ T6900] el0t_64_sync_handler+0xcc/0xe4 [ 237.056690][ T6900] el0t_64_sync+0x1a0/0x1a4 [ 237.057971][ T6900] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 237.059937][ T6900] gfs2: fsid=](_: error -17 adding sysfs files [ 237.201205][ T6903] loop1: detected capacity change from 0 to 32768 [ 237.209653][ T6903] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 237.210933][ T6903] CPU: 1 PID: 6903 Comm: syz.1.653 Not tainted syzkaller #0 [ 237.212190][ T6903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.213914][ T6903] Call trace: [ 237.214423][ T6903] dump_backtrace+0x0/0x458 [ 237.215199][ T6903] show_stack+0x2c/0x3c [ 237.215911][ T6903] __dump_stack+0x30/0x40 [ 237.216637][ T6903] dump_stack_lvl+0xf4/0x15c [ 237.217434][ T6903] dump_stack+0x1c/0x5c [ 237.218187][ T6903] sysfs_create_dir_ns+0x244/0x264 [ 237.219129][ T6903] kobject_add_internal+0x5ac/0xc3c [ 237.220002][ T6903] kobject_init_and_add+0x124/0x190 [ 237.220790][ T6903] gfs2_sys_fs_add+0x200/0x41c [ 237.221643][ T6903] gfs2_fill_super+0xddc/0x1a18 [ 237.222455][ T6903] get_tree_bdev+0x358/0x544 [ 237.223255][ T6903] gfs2_get_tree+0x54/0x1b4 [ 237.224054][ T6903] vfs_get_tree+0x90/0x274 [ 237.224821][ T6903] do_new_mount+0x228/0x810 [ 237.225634][ T6903] path_mount+0x5bc/0x1008 [ 237.226386][ T6903] __arm64_sys_mount+0x514/0x5f0 [ 237.227219][ T6903] invoke_syscall+0x98/0x2b0 [ 237.228009][ T6903] el0_svc_common+0x138/0x258 [ 237.228871][ T6903] do_el0_svc+0x58/0x13c [ 237.229590][ T6903] el0_svc+0x78/0x1d0 [ 237.230222][ T6903] el0t_64_sync_handler+0xcc/0xe4 [ 237.231093][ T6903] el0t_64_sync+0x1a0/0x1a4 [ 237.233833][ T6903] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 237.235848][ T6903] gfs2: fsid=](_: error -17 adding sysfs files [ 237.372694][ T6906] loop1: detected capacity change from 0 to 32768 [ 237.411642][ T6906] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 237.412902][ T6906] CPU: 1 PID: 6906 Comm: syz.1.654 Not tainted syzkaller #0 [ 237.414075][ T6906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.415890][ T6906] Call trace: [ 237.416449][ T6906] dump_backtrace+0x0/0x458 [ 237.417255][ T6906] show_stack+0x2c/0x3c [ 237.418004][ T6906] __dump_stack+0x30/0x40 [ 237.418765][ T6906] dump_stack_lvl+0xf4/0x15c [ 237.419572][ T6906] dump_stack+0x1c/0x5c [ 237.420302][ T6906] sysfs_create_dir_ns+0x244/0x264 [ 237.421159][ T6906] kobject_add_internal+0x5ac/0xc3c [ 237.422055][ T6906] kobject_init_and_add+0x124/0x190 [ 237.422945][ T6906] gfs2_sys_fs_add+0x200/0x41c [ 237.423811][ T6906] gfs2_fill_super+0xddc/0x1a18 [ 237.424658][ T6906] get_tree_bdev+0x358/0x544 [ 237.425418][ T6906] gfs2_get_tree+0x54/0x1b4 [ 237.426173][ T6906] vfs_get_tree+0x90/0x274 [ 237.426941][ T6906] do_new_mount+0x228/0x810 [ 237.427793][ T6906] path_mount+0x5bc/0x1008 [ 237.428607][ T6906] __arm64_sys_mount+0x514/0x5f0 [ 237.429463][ T6906] invoke_syscall+0x98/0x2b0 [ 237.430220][ T6906] el0_svc_common+0x138/0x258 [ 237.431061][ T6906] do_el0_svc+0x58/0x13c [ 237.431769][ T6906] el0_svc+0x78/0x1d0 [ 237.432436][ T6906] el0t_64_sync_handler+0xcc/0xe4 [ 237.433296][ T6906] el0t_64_sync+0x1a0/0x1a4 [ 237.435655][ T6906] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 237.437939][ T6906] gfs2: fsid=](_: error -17 adding sysfs files [ 237.573352][ T6909] loop1: detected capacity change from 0 to 32768 [ 237.612663][ T6909] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 237.613901][ T6909] CPU: 1 PID: 6909 Comm: syz.1.655 Not tainted syzkaller #0 [ 237.615202][ T6909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.616807][ T6909] Call trace: [ 237.617402][ T6909] dump_backtrace+0x0/0x458 [ 237.618241][ T6909] show_stack+0x2c/0x3c [ 237.618963][ T6909] __dump_stack+0x30/0x40 [ 237.619712][ T6909] dump_stack_lvl+0xf4/0x15c [ 237.620594][ T6909] dump_stack+0x1c/0x5c [ 237.621350][ T6909] sysfs_create_dir_ns+0x244/0x264 [ 237.622253][ T6909] kobject_add_internal+0x5ac/0xc3c [ 237.623234][ T6909] kobject_init_and_add+0x124/0x190 [ 237.624172][ T6909] gfs2_sys_fs_add+0x200/0x41c [ 237.624997][ T6909] gfs2_fill_super+0xddc/0x1a18 [ 237.625858][ T6909] get_tree_bdev+0x358/0x544 [ 237.626626][ T6909] gfs2_get_tree+0x54/0x1b4 [ 237.627396][ T6909] vfs_get_tree+0x90/0x274 [ 237.628142][ T6909] do_new_mount+0x228/0x810 [ 237.629002][ T6909] path_mount+0x5bc/0x1008 [ 237.629752][ T6909] __arm64_sys_mount+0x514/0x5f0 [ 237.630657][ T6909] invoke_syscall+0x98/0x2b0 [ 237.631476][ T6909] el0_svc_common+0x138/0x258 [ 237.632652][ T6909] do_el0_svc+0x58/0x13c [ 237.633449][ T6909] el0_svc+0x78/0x1d0 [ 237.634105][ T6909] el0t_64_sync_handler+0xcc/0xe4 [ 237.635016][ T6909] el0t_64_sync+0x1a0/0x1a4 [ 237.636553][ T6909] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 237.639202][ T6909] gfs2: fsid=](_: error -17 adding sysfs files [ 237.787311][ T6912] loop1: detected capacity change from 0 to 32768 [ 237.792766][ T6912] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 237.793976][ T6912] CPU: 1 PID: 6912 Comm: syz.1.656 Not tainted syzkaller #0 [ 237.795117][ T6912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.796916][ T6912] Call trace: [ 237.797470][ T6912] dump_backtrace+0x0/0x458 [ 237.798278][ T6912] show_stack+0x2c/0x3c [ 237.799029][ T6912] __dump_stack+0x30/0x40 [ 237.799822][ T6912] dump_stack_lvl+0xf4/0x15c [ 237.800621][ T6912] dump_stack+0x1c/0x5c [ 237.801362][ T6912] sysfs_create_dir_ns+0x244/0x264 [ 237.802322][ T6912] kobject_add_internal+0x5ac/0xc3c [ 237.803144][ T6912] kobject_init_and_add+0x124/0x190 [ 237.803994][ T6912] gfs2_sys_fs_add+0x200/0x41c [ 237.804763][ T6912] gfs2_fill_super+0xddc/0x1a18 [ 237.805533][ T6912] get_tree_bdev+0x358/0x544 [ 237.806297][ T6912] gfs2_get_tree+0x54/0x1b4 [ 237.806992][ T6912] vfs_get_tree+0x90/0x274 [ 237.807700][ T6912] do_new_mount+0x228/0x810 [ 237.808409][ T6912] path_mount+0x5bc/0x1008 [ 237.809141][ T6912] __arm64_sys_mount+0x514/0x5f0 [ 237.809928][ T6912] invoke_syscall+0x98/0x2b0 [ 237.810708][ T6912] el0_svc_common+0x138/0x258 [ 237.811516][ T6912] do_el0_svc+0x58/0x13c [ 237.812210][ T6912] el0_svc+0x78/0x1d0 [ 237.812885][ T6912] el0t_64_sync_handler+0xcc/0xe4 [ 237.813728][ T6912] el0t_64_sync+0x1a0/0x1a4 [ 237.816286][ T6912] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 237.818474][ T6912] gfs2: fsid=](_: error -17 adding sysfs files [ 237.917115][ T27] INFO: task syz-executor:4764 blocked for more than 143 seconds. [ 237.918560][ T27] Not tainted syzkaller #0 [ 237.919464][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 237.921010][ T27] task:syz-executor state:D stack: 0 pid: 4764 ppid: 1 flags:0x00000001 [ 237.922654][ T27] Call trace: [ 237.923182][ T27] __switch_to+0x2f4/0x540 [ 237.924001][ T27] __schedule+0xdfc/0x1bc4 [ 237.924734][ T27] schedule+0x11c/0x1c8 [ 237.925473][ T27] bit_wait+0x1c/0xac [ 237.926216][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 237.931394][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 237.932132][ T27] __gfs2_lookup+0x120/0x28c [ 237.932903][ T27] gfs2_lookup+0x2c/0x3c [ 237.933602][ T27] __lookup_slow+0x25c/0x39c [ 237.934402][ T27] lookup_slow+0x5c/0x80 [ 237.935144][ T27] walk_component+0x2b0/0x3a8 [ 237.935888][ T27] path_lookupat+0x13c/0x3d0 [ 237.936647][ T27] filename_lookup+0x1b4/0x464 [ 237.937985][ T27] user_path_at_empty+0x5c/0x1a0 [ 237.938786][ T27] __arm64_sys_umount+0xf8/0x184 [ 237.939540][ T27] invoke_syscall+0x98/0x2b0 [ 237.940380][ T27] el0_svc_common+0x138/0x258 [ 237.941200][ T27] do_el0_svc+0x58/0x13c [ 237.941954][ T27] el0_svc+0x78/0x1d0 [ 237.942628][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 237.943484][ T27] el0t_64_sync+0x1a0/0x1a4 [ 237.944321][ T27] [ 237.944321][ T27] Showing all locks held in the system: [ 237.945540][ T27] 1 lock held by khungtaskd/27: [ 237.946391][ T27] #0: ffff800014471360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 237.949931][ T27] 2 locks held by getty/3806: [ 237.950669][ T27] #0: ffff0000d40ce098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 237.952209][ T27] #1: ffff80001be7e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 237.953821][ T27] 1 lock held by syz-executor/4764: [ 237.954685][ T27] #0: ffff0000ed02d2b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 237.956344][ T27] 1 lock held by syz.1.657/6915: [ 237.957632][ T27] [ 237.958012][ T27] ============================================= [ 237.958012][ T27] [ 237.959385][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 237.960564][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 237.961588][ T6915] loop1: detected capacity change from 0 to 32768 [ 237.961710][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 237.964445][ T27] Call trace: [ 237.964997][ T27] dump_backtrace+0x0/0x458 [ 237.965811][ T27] show_stack+0x2c/0x3c [ 237.966597][ T27] __dump_stack+0x30/0x40 [ 237.967340][ T27] dump_stack_lvl+0xf4/0x15c [ 237.968204][ T27] dump_stack+0x1c/0x5c [ 237.968963][ T27] panic+0x2fc/0x860 [ 237.969666][ T27] hung_task_panic+0x0/0x2c [ 237.970448][ T27] kthread+0x374/0x454 [ 237.971183][ T27] ret_from_fork+0x10/0x20 [ 237.971974][ T27] SMP: stopping secondary CPUs [ 237.972823][ T27] Kernel Offset: disabled [ 237.973592][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 237.974563][ T27] Memory Limit: none [ 238.305474][ T27] Rebooting in 86400 seconds..