c3c [ 201.848099][ T6654] kobject_init_and_add+0x124/0x190 [ 201.848884][ T6654] gfs2_sys_fs_add+0x200/0x41c [ 201.849586][ T6654] gfs2_fill_super+0xddc/0x1a18 [ 201.850295][ T6654] get_tree_bdev+0x358/0x544 [ 201.851025][ T6654] gfs2_get_tree+0x54/0x1b4 [ 201.851666][ T6654] vfs_get_tree+0x90/0x274 [ 201.852315][ T6654] do_new_mount+0x228/0x810 [ 201.852998][ T6654] path_mount+0x5bc/0x1008 [ 201.853634][ T6654] __arm64_sys_mount+0x514/0x5f0 [ 201.854336][ T6654] invoke_syscall+0x98/0x2b0 [ 201.855035][ T6654] el0_svc_common+0x138/0x258 [ 201.855689][ T6654] do_el0_svc+0x58/0x13c [ 201.856370][ T6654] el0_svc+0x78/0x1d0 [ 201.856922][ T6654] el0t_64_sync_handler+0xcc/0xe4 [ 201.857731][ T6654] el0t_64_sync+0x1a0/0x1a4 [ 201.859314][ T6654] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 201.861753][ T6654] gfs2: fsid=](_: error -17 adding sysfs files [ 201.993359][ T6657] loop1: detected capacity change from 0 to 32768 [ 202.070311][ T6657] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.071540][ T6657] CPU: 0 PID: 6657 Comm: syz.1.557 Not tainted syzkaller #0 [ 202.072539][ T6657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.073927][ T6657] Call trace: [ 202.074406][ T6657] dump_backtrace+0x0/0x458 [ 202.075115][ T6657] show_stack+0x2c/0x3c [ 202.075745][ T6657] __dump_stack+0x30/0x40 [ 202.076369][ T6657] dump_stack_lvl+0xf4/0x15c [ 202.077031][ T6657] dump_stack+0x1c/0x5c [ 202.077599][ T6657] sysfs_create_dir_ns+0x244/0x264 [ 202.078331][ T6657] kobject_add_internal+0x5ac/0xc3c [ 202.079090][ T6657] kobject_init_and_add+0x124/0x190 [ 202.079822][ T6657] gfs2_sys_fs_add+0x200/0x41c [ 202.080530][ T6657] gfs2_fill_super+0xddc/0x1a18 [ 202.081190][ T6657] get_tree_bdev+0x358/0x544 [ 202.081849][ T6657] gfs2_get_tree+0x54/0x1b4 [ 202.082521][ T6657] vfs_get_tree+0x90/0x274 [ 202.083182][ T6657] do_new_mount+0x228/0x810 [ 202.083903][ T6657] path_mount+0x5bc/0x1008 [ 202.084577][ T6657] __arm64_sys_mount+0x514/0x5f0 [ 202.085290][ T6657] invoke_syscall+0x98/0x2b0 [ 202.085954][ T6657] el0_svc_common+0x138/0x258 [ 202.086641][ T6657] do_el0_svc+0x58/0x13c [ 202.087259][ T6657] el0_svc+0x78/0x1d0 [ 202.087850][ T6657] el0t_64_sync_handler+0xcc/0xe4 [ 202.088568][ T6657] el0t_64_sync+0x1a0/0x1a4 [ 202.090781][ T6657] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.092742][ T6657] gfs2: fsid=](_: error -17 adding sysfs files [ 202.226580][ T6661] loop1: detected capacity change from 0 to 32768 [ 202.270542][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.271688][ T6661] CPU: 0 PID: 6661 Comm: syz.1.558 Not tainted syzkaller #0 [ 202.272713][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.274208][ T6661] Call trace: [ 202.274680][ T6661] dump_backtrace+0x0/0x458 [ 202.275330][ T6661] show_stack+0x2c/0x3c [ 202.275928][ T6661] __dump_stack+0x30/0x40 [ 202.276538][ T6661] dump_stack_lvl+0xf4/0x15c [ 202.277232][ T6661] dump_stack+0x1c/0x5c [ 202.277855][ T6661] sysfs_create_dir_ns+0x244/0x264 [ 202.278565][ T6661] kobject_add_internal+0x5ac/0xc3c [ 202.279345][ T6661] kobject_init_and_add+0x124/0x190 [ 202.280131][ T6661] gfs2_sys_fs_add+0x200/0x41c [ 202.280759][ T6661] gfs2_fill_super+0xddc/0x1a18 [ 202.281458][ T6661] get_tree_bdev+0x358/0x544 [ 202.282149][ T6661] gfs2_get_tree+0x54/0x1b4 [ 202.282805][ T6661] vfs_get_tree+0x90/0x274 [ 202.283459][ T6661] do_new_mount+0x228/0x810 [ 202.284161][ T6661] path_mount+0x5bc/0x1008 [ 202.284803][ T6661] __arm64_sys_mount+0x514/0x5f0 [ 202.285564][ T6661] invoke_syscall+0x98/0x2b0 [ 202.286276][ T6661] el0_svc_common+0x138/0x258 [ 202.286973][ T6661] do_el0_svc+0x58/0x13c [ 202.287621][ T6661] el0_svc+0x78/0x1d0 [ 202.288226][ T6661] el0t_64_sync_handler+0xcc/0xe4 [ 202.288895][ T6661] el0t_64_sync+0x1a0/0x1a4 [ 202.291019][ T6661] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.292851][ T6661] gfs2: fsid=](_: error -17 adding sysfs files [ 202.473613][ T6664] loop1: detected capacity change from 0 to 32768 [ 202.500270][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.501443][ T6664] CPU: 1 PID: 6664 Comm: syz.1.559 Not tainted syzkaller #0 [ 202.502480][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.503949][ T6664] Call trace: [ 202.504410][ T6664] dump_backtrace+0x0/0x458 [ 202.505023][ T6664] show_stack+0x2c/0x3c [ 202.505590][ T6664] __dump_stack+0x30/0x40 [ 202.506193][ T6664] dump_stack_lvl+0xf4/0x15c [ 202.506827][ T6664] dump_stack+0x1c/0x5c [ 202.507392][ T6664] sysfs_create_dir_ns+0x244/0x264 [ 202.508058][ T6664] kobject_add_internal+0x5ac/0xc3c [ 202.508840][ T6664] kobject_init_and_add+0x124/0x190 [ 202.509602][ T6664] gfs2_sys_fs_add+0x200/0x41c [ 202.510330][ T6664] gfs2_fill_super+0xddc/0x1a18 [ 202.511073][ T6664] get_tree_bdev+0x358/0x544 [ 202.511785][ T6664] gfs2_get_tree+0x54/0x1b4 [ 202.512429][ T6664] vfs_get_tree+0x90/0x274 [ 202.513119][ T6664] do_new_mount+0x228/0x810 [ 202.513814][ T6664] path_mount+0x5bc/0x1008 [ 202.514437][ T6664] __arm64_sys_mount+0x514/0x5f0 [ 202.515153][ T6664] invoke_syscall+0x98/0x2b0 [ 202.515829][ T6664] el0_svc_common+0x138/0x258 [ 202.516502][ T6664] do_el0_svc+0x58/0x13c [ 202.517138][ T6664] el0_svc+0x78/0x1d0 [ 202.517711][ T6664] el0t_64_sync_handler+0xcc/0xe4 [ 202.518425][ T6664] el0t_64_sync+0x1a0/0x1a4 [ 202.519244][ T6664] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.521669][ T6664] gfs2: fsid=](_: error -17 adding sysfs files [ 202.693322][ T6667] loop1: detected capacity change from 0 to 32768 [ 202.738123][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 202.739454][ T6667] CPU: 0 PID: 6667 Comm: syz.1.560 Not tainted syzkaller #0 [ 202.740667][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 202.742237][ T6667] Call trace: [ 202.742681][ T6667] dump_backtrace+0x0/0x458 [ 202.743371][ T6667] show_stack+0x2c/0x3c [ 202.743946][ T6667] __dump_stack+0x30/0x40 [ 202.744603][ T6667] dump_stack_lvl+0xf4/0x15c [ 202.745261][ T6667] dump_stack+0x1c/0x5c [ 202.745784][ T6667] sysfs_create_dir_ns+0x244/0x264 [ 202.746499][ T6667] kobject_add_internal+0x5ac/0xc3c [ 202.747175][ T6667] kobject_init_and_add+0x124/0x190 [ 202.747880][ T6667] gfs2_sys_fs_add+0x200/0x41c [ 202.748498][ T6667] gfs2_fill_super+0xddc/0x1a18 [ 202.749192][ T6667] get_tree_bdev+0x358/0x544 [ 202.749892][ T6667] gfs2_get_tree+0x54/0x1b4 [ 202.750614][ T6667] vfs_get_tree+0x90/0x274 [ 202.751275][ T6667] do_new_mount+0x228/0x810 [ 202.752010][ T6667] path_mount+0x5bc/0x1008 [ 202.752676][ T6667] __arm64_sys_mount+0x514/0x5f0 [ 202.753461][ T6667] invoke_syscall+0x98/0x2b0 [ 202.754132][ T6667] el0_svc_common+0x138/0x258 [ 202.754837][ T6667] do_el0_svc+0x58/0x13c [ 202.755454][ T6667] el0_svc+0x78/0x1d0 [ 202.755989][ T6667] el0t_64_sync_handler+0xcc/0xe4 [ 202.756764][ T6667] el0t_64_sync+0x1a0/0x1a4 [ 202.769387][ T6667] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 202.771365][ T6667] gfs2: fsid=](_: error -17 adding sysfs files [ 203.018469][ T6670] loop1: detected capacity change from 0 to 32768 [ 203.064157][ T6670] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.065268][ T6670] CPU: 0 PID: 6670 Comm: syz.1.561 Not tainted syzkaller #0 [ 203.066307][ T6670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.067658][ T6670] Call trace: [ 203.068139][ T6670] dump_backtrace+0x0/0x458 [ 203.068811][ T6670] show_stack+0x2c/0x3c [ 203.069430][ T6670] __dump_stack+0x30/0x40 [ 203.070067][ T6670] dump_stack_lvl+0xf4/0x15c [ 203.070730][ T6670] dump_stack+0x1c/0x5c [ 203.071329][ T6670] sysfs_create_dir_ns+0x244/0x264 [ 203.072081][ T6670] kobject_add_internal+0x5ac/0xc3c [ 203.072901][ T6670] kobject_init_and_add+0x124/0x190 [ 203.073712][ T6670] gfs2_sys_fs_add+0x200/0x41c [ 203.074409][ T6670] gfs2_fill_super+0xddc/0x1a18 [ 203.075112][ T6670] get_tree_bdev+0x358/0x544 [ 203.075802][ T6670] gfs2_get_tree+0x54/0x1b4 [ 203.076488][ T6670] vfs_get_tree+0x90/0x274 [ 203.077164][ T6670] do_new_mount+0x228/0x810 [ 203.077826][ T6670] path_mount+0x5bc/0x1008 [ 203.078514][ T6670] __arm64_sys_mount+0x514/0x5f0 [ 203.079237][ T6670] invoke_syscall+0x98/0x2b0 [ 203.079884][ T6670] el0_svc_common+0x138/0x258 [ 203.080588][ T6670] do_el0_svc+0x58/0x13c [ 203.081178][ T6670] el0_svc+0x78/0x1d0 [ 203.081752][ T6670] el0t_64_sync_handler+0xcc/0xe4 [ 203.082538][ T6670] el0t_64_sync+0x1a0/0x1a4 [ 203.083665][ T6670] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.085548][ T6670] gfs2: fsid=](_: error -17 adding sysfs files [ 203.256242][ T6673] loop1: detected capacity change from 0 to 32768 [ 203.290442][ T6673] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.291626][ T6673] CPU: 0 PID: 6673 Comm: syz.1.562 Not tainted syzkaller #0 [ 203.292731][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.294261][ T6673] Call trace: [ 203.294768][ T6673] dump_backtrace+0x0/0x458 [ 203.295550][ T6673] show_stack+0x2c/0x3c [ 203.296151][ T6673] __dump_stack+0x30/0x40 [ 203.296785][ T6673] dump_stack_lvl+0xf4/0x15c [ 203.297456][ T6673] dump_stack+0x1c/0x5c [ 203.298017][ T6673] sysfs_create_dir_ns+0x244/0x264 [ 203.298697][ T6673] kobject_add_internal+0x5ac/0xc3c [ 203.299449][ T6673] kobject_init_and_add+0x124/0x190 [ 203.300172][ T6673] gfs2_sys_fs_add+0x200/0x41c [ 203.300860][ T6673] gfs2_fill_super+0xddc/0x1a18 [ 203.301584][ T6673] get_tree_bdev+0x358/0x544 [ 203.302312][ T6673] gfs2_get_tree+0x54/0x1b4 [ 203.302989][ T6673] vfs_get_tree+0x90/0x274 [ 203.303633][ T6673] do_new_mount+0x228/0x810 [ 203.304317][ T6673] path_mount+0x5bc/0x1008 [ 203.304940][ T6673] __arm64_sys_mount+0x514/0x5f0 [ 203.305613][ T6673] invoke_syscall+0x98/0x2b0 [ 203.306298][ T6673] el0_svc_common+0x138/0x258 [ 203.306973][ T6673] do_el0_svc+0x58/0x13c [ 203.307619][ T6673] el0_svc+0x78/0x1d0 [ 203.308273][ T6673] el0t_64_sync_handler+0xcc/0xe4 [ 203.309002][ T6673] el0t_64_sync+0x1a0/0x1a4 [ 203.310171][ T6673] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.312287][ T6673] gfs2: fsid=](_: error -17 adding sysfs files [ 203.443183][ T6677] loop1: detected capacity change from 0 to 32768 [ 203.494207][ T6677] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.495601][ T6677] CPU: 0 PID: 6677 Comm: syz.1.563 Not tainted syzkaller #0 [ 203.496687][ T6677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.498272][ T6677] Call trace: [ 203.498777][ T6677] dump_backtrace+0x0/0x458 [ 203.499410][ T6677] show_stack+0x2c/0x3c [ 203.500001][ T6677] __dump_stack+0x30/0x40 [ 203.500689][ T6677] dump_stack_lvl+0xf4/0x15c [ 203.501447][ T6677] dump_stack+0x1c/0x5c [ 203.502050][ T6677] sysfs_create_dir_ns+0x244/0x264 [ 203.502848][ T6677] kobject_add_internal+0x5ac/0xc3c [ 203.503678][ T6677] kobject_init_and_add+0x124/0x190 [ 203.504443][ T6677] gfs2_sys_fs_add+0x200/0x41c [ 203.505150][ T6677] gfs2_fill_super+0xddc/0x1a18 [ 203.505951][ T6677] get_tree_bdev+0x358/0x544 [ 203.506693][ T6677] gfs2_get_tree+0x54/0x1b4 [ 203.507380][ T6677] vfs_get_tree+0x90/0x274 [ 203.508023][ T6677] do_new_mount+0x228/0x810 [ 203.508640][ T6677] path_mount+0x5bc/0x1008 [ 203.509338][ T6677] __arm64_sys_mount+0x514/0x5f0 [ 203.510071][ T6677] invoke_syscall+0x98/0x2b0 [ 203.510726][ T6677] el0_svc_common+0x138/0x258 [ 203.511395][ T6677] do_el0_svc+0x58/0x13c [ 203.512018][ T6677] el0_svc+0x78/0x1d0 [ 203.512608][ T6677] el0t_64_sync_handler+0xcc/0xe4 [ 203.513355][ T6677] el0t_64_sync+0x1a0/0x1a4 [ 203.514152][ T6677] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.515965][ T6677] gfs2: fsid=](_: error -17 adding sysfs files [ 203.775482][ T6680] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.776638][ T6680] CPU: 1 PID: 6680 Comm: syz.1.564 Not tainted syzkaller #0 [ 203.777787][ T6680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.779299][ T6680] Call trace: [ 203.779786][ T6680] dump_backtrace+0x0/0x458 [ 203.780467][ T6680] show_stack+0x2c/0x3c [ 203.781085][ T6680] __dump_stack+0x30/0x40 [ 203.781748][ T6680] dump_stack_lvl+0xf4/0x15c [ 203.782414][ T6680] dump_stack+0x1c/0x5c [ 203.783087][ T6680] sysfs_create_dir_ns+0x244/0x264 [ 203.783849][ T6680] kobject_add_internal+0x5ac/0xc3c [ 203.784583][ T6680] kobject_init_and_add+0x124/0x190 [ 203.785356][ T6680] gfs2_sys_fs_add+0x200/0x41c [ 203.786072][ T6680] gfs2_fill_super+0xddc/0x1a18 [ 203.786767][ T6680] get_tree_bdev+0x358/0x544 [ 203.787473][ T6680] gfs2_get_tree+0x54/0x1b4 [ 203.788092][ T6680] vfs_get_tree+0x90/0x274 [ 203.788692][ T6680] do_new_mount+0x228/0x810 [ 203.789306][ T6680] path_mount+0x5bc/0x1008 [ 203.789930][ T6680] __arm64_sys_mount+0x514/0x5f0 [ 203.790627][ T6680] invoke_syscall+0x98/0x2b0 [ 203.791269][ T6680] el0_svc_common+0x138/0x258 [ 203.791904][ T6680] do_el0_svc+0x58/0x13c [ 203.792491][ T6680] el0_svc+0x78/0x1d0 [ 203.793058][ T6680] el0t_64_sync_handler+0xcc/0xe4 [ 203.793788][ T6680] el0t_64_sync+0x1a0/0x1a4 [ 203.796729][ T6680] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.798644][ T6680] gfs2: fsid=](_: error -17 adding sysfs files [ 203.935864][ T6683] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 203.937044][ T6683] CPU: 0 PID: 6683 Comm: syz.1.565 Not tainted syzkaller #0 [ 203.938165][ T6683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 203.939730][ T6683] Call trace: [ 203.940192][ T6683] dump_backtrace+0x0/0x458 [ 203.940812][ T6683] show_stack+0x2c/0x3c [ 203.941408][ T6683] __dump_stack+0x30/0x40 [ 203.942030][ T6683] dump_stack_lvl+0xf4/0x15c [ 203.942704][ T6683] dump_stack+0x1c/0x5c [ 203.943314][ T6683] sysfs_create_dir_ns+0x244/0x264 [ 203.944070][ T6683] kobject_add_internal+0x5ac/0xc3c [ 203.944880][ T6683] kobject_init_and_add+0x124/0x190 [ 203.945651][ T6683] gfs2_sys_fs_add+0x200/0x41c [ 203.946361][ T6683] gfs2_fill_super+0xddc/0x1a18 [ 203.947124][ T6683] get_tree_bdev+0x358/0x544 [ 203.947822][ T6683] gfs2_get_tree+0x54/0x1b4 [ 203.948478][ T6683] vfs_get_tree+0x90/0x274 [ 203.949121][ T6683] do_new_mount+0x228/0x810 [ 203.949800][ T6683] path_mount+0x5bc/0x1008 [ 203.950430][ T6683] __arm64_sys_mount+0x514/0x5f0 [ 203.951129][ T6683] invoke_syscall+0x98/0x2b0 [ 203.951765][ T6683] el0_svc_common+0x138/0x258 [ 203.952468][ T6683] do_el0_svc+0x58/0x13c [ 203.953067][ T6683] el0_svc+0x78/0x1d0 [ 203.953666][ T6683] el0t_64_sync_handler+0xcc/0xe4 [ 203.954446][ T6683] el0t_64_sync+0x1a0/0x1a4 [ 203.956669][ T6683] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 203.958596][ T6683] gfs2: fsid=](_: error -17 adding sysfs files [ 204.130507][ T6686] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.131712][ T6686] CPU: 0 PID: 6686 Comm: syz.1.566 Not tainted syzkaller #0 [ 204.132890][ T6686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.134386][ T6686] Call trace: [ 204.134881][ T6686] dump_backtrace+0x0/0x458 [ 204.135579][ T6686] show_stack+0x2c/0x3c [ 204.136202][ T6686] __dump_stack+0x30/0x40 [ 204.136853][ T6686] dump_stack_lvl+0xf4/0x15c [ 204.137537][ T6686] dump_stack+0x1c/0x5c [ 204.138183][ T6686] sysfs_create_dir_ns+0x244/0x264 [ 204.138932][ T6686] kobject_add_internal+0x5ac/0xc3c [ 204.139683][ T6686] kobject_init_and_add+0x124/0x190 [ 204.140466][ T6686] gfs2_sys_fs_add+0x200/0x41c [ 204.141184][ T6686] gfs2_fill_super+0xddc/0x1a18 [ 204.141884][ T6686] get_tree_bdev+0x358/0x544 [ 204.142621][ T6686] gfs2_get_tree+0x54/0x1b4 [ 204.143260][ T6686] vfs_get_tree+0x90/0x274 [ 204.143924][ T6686] do_new_mount+0x228/0x810 [ 204.144628][ T6686] path_mount+0x5bc/0x1008 [ 204.145267][ T6686] __arm64_sys_mount+0x514/0x5f0 [ 204.146017][ T6686] invoke_syscall+0x98/0x2b0 [ 204.146734][ T6686] el0_svc_common+0x138/0x258 [ 204.147426][ T6686] do_el0_svc+0x58/0x13c [ 204.148088][ T6686] el0_svc+0x78/0x1d0 [ 204.148677][ T6686] el0t_64_sync_handler+0xcc/0xe4 [ 204.149445][ T6686] el0t_64_sync+0x1a0/0x1a4 [ 204.150326][ T6686] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.152297][ T6686] gfs2: fsid=](_: error -17 adding sysfs files [ 204.371203][ T6689] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.372277][ T6689] CPU: 1 PID: 6689 Comm: syz.1.567 Not tainted syzkaller #0 [ 204.373315][ T6689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.374906][ T6689] Call trace: [ 204.375411][ T6689] dump_backtrace+0x0/0x458 [ 204.376066][ T6689] show_stack+0x2c/0x3c [ 204.376619][ T6689] __dump_stack+0x30/0x40 [ 204.377267][ T6689] dump_stack_lvl+0xf4/0x15c [ 204.377907][ T6689] dump_stack+0x1c/0x5c [ 204.378470][ T6689] sysfs_create_dir_ns+0x244/0x264 [ 204.379159][ T6689] kobject_add_internal+0x5ac/0xc3c [ 204.379886][ T6689] kobject_init_and_add+0x124/0x190 [ 204.380619][ T6689] gfs2_sys_fs_add+0x200/0x41c [ 204.381304][ T6689] gfs2_fill_super+0xddc/0x1a18 [ 204.382019][ T6689] get_tree_bdev+0x358/0x544 [ 204.382657][ T6689] gfs2_get_tree+0x54/0x1b4 [ 204.383265][ T6689] vfs_get_tree+0x90/0x274 [ 204.383914][ T6689] do_new_mount+0x228/0x810 [ 204.384578][ T6689] path_mount+0x5bc/0x1008 [ 204.385189][ T6689] __arm64_sys_mount+0x514/0x5f0 [ 204.385859][ T6689] invoke_syscall+0x98/0x2b0 [ 204.386516][ T6689] el0_svc_common+0x138/0x258 [ 204.387197][ T6689] do_el0_svc+0x58/0x13c [ 204.387819][ T6689] el0_svc+0x78/0x1d0 [ 204.388406][ T6689] el0t_64_sync_handler+0xcc/0xe4 [ 204.389103][ T6689] el0t_64_sync+0x1a0/0x1a4 [ 204.394879][ T6689] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.397051][ T6689] gfs2: fsid=](_: error -17 adding sysfs files [ 204.560536][ T6692] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.561709][ T6692] CPU: 1 PID: 6692 Comm: syz.1.568 Not tainted syzkaller #0 [ 204.562701][ T6692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.564109][ T6692] Call trace: [ 204.564647][ T6692] dump_backtrace+0x0/0x458 [ 204.565378][ T6692] show_stack+0x2c/0x3c [ 204.566070][ T6692] __dump_stack+0x30/0x40 [ 204.566703][ T6692] dump_stack_lvl+0xf4/0x15c [ 204.567377][ T6692] dump_stack+0x1c/0x5c [ 204.568007][ T6692] sysfs_create_dir_ns+0x244/0x264 [ 204.568761][ T6692] kobject_add_internal+0x5ac/0xc3c [ 204.569518][ T6692] kobject_init_and_add+0x124/0x190 [ 204.570314][ T6692] gfs2_sys_fs_add+0x200/0x41c [ 204.571029][ T6692] gfs2_fill_super+0xddc/0x1a18 [ 204.571694][ T6692] get_tree_bdev+0x358/0x544 [ 204.572425][ T6692] gfs2_get_tree+0x54/0x1b4 [ 204.573047][ T6692] vfs_get_tree+0x90/0x274 [ 204.573691][ T6692] do_new_mount+0x228/0x810 [ 204.574336][ T6692] path_mount+0x5bc/0x1008 [ 204.574929][ T6692] __arm64_sys_mount+0x514/0x5f0 [ 204.575641][ T6692] invoke_syscall+0x98/0x2b0 [ 204.576341][ T6692] el0_svc_common+0x138/0x258 [ 204.576977][ T6692] do_el0_svc+0x58/0x13c [ 204.577679][ T6692] el0_svc+0x78/0x1d0 [ 204.578238][ T6692] el0t_64_sync_handler+0xcc/0xe4 [ 204.578931][ T6692] el0t_64_sync+0x1a0/0x1a4 [ 204.581611][ T6692] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.583447][ T6692] gfs2: fsid=](_: error -17 adding sysfs files [ 204.870503][ T6695] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 204.871619][ T6695] CPU: 0 PID: 6695 Comm: syz.1.569 Not tainted syzkaller #0 [ 204.872652][ T6695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 204.874133][ T6695] Call trace: [ 204.874614][ T6695] dump_backtrace+0x0/0x458 [ 204.875231][ T6695] show_stack+0x2c/0x3c [ 204.875927][ T6695] __dump_stack+0x30/0x40 [ 204.876572][ T6695] dump_stack_lvl+0xf4/0x15c [ 204.877297][ T6695] dump_stack+0x1c/0x5c [ 204.877952][ T6695] sysfs_create_dir_ns+0x244/0x264 [ 204.878701][ T6695] kobject_add_internal+0x5ac/0xc3c [ 204.879485][ T6695] kobject_init_and_add+0x124/0x190 [ 204.880238][ T6695] gfs2_sys_fs_add+0x200/0x41c [ 204.880932][ T6695] gfs2_fill_super+0xddc/0x1a18 [ 204.881637][ T6695] get_tree_bdev+0x358/0x544 [ 204.882337][ T6695] gfs2_get_tree+0x54/0x1b4 [ 204.883017][ T6695] vfs_get_tree+0x90/0x274 [ 204.883658][ T6695] do_new_mount+0x228/0x810 [ 204.884368][ T6695] path_mount+0x5bc/0x1008 [ 204.884991][ T6695] __arm64_sys_mount+0x514/0x5f0 [ 204.885703][ T6695] invoke_syscall+0x98/0x2b0 [ 204.886278][ T6695] el0_svc_common+0x138/0x258 [ 204.886961][ T6695] do_el0_svc+0x58/0x13c [ 204.887512][ T6695] el0_svc+0x78/0x1d0 [ 204.888088][ T6695] el0t_64_sync_handler+0xcc/0xe4 [ 204.888821][ T6695] el0t_64_sync+0x1a0/0x1a4 [ 204.890072][ T6695] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 204.891893][ T6695] gfs2: fsid=](_: error -17 adding sysfs files [ 205.104803][ T6698] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.106249][ T6698] CPU: 1 PID: 6698 Comm: syz.1.570 Not tainted syzkaller #0 [ 205.107372][ T6698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.108840][ T6698] Call trace: [ 205.109289][ T6698] dump_backtrace+0x0/0x458 [ 205.110001][ T6698] show_stack+0x2c/0x3c [ 205.110671][ T6698] __dump_stack+0x30/0x40 [ 205.111287][ T6698] dump_stack_lvl+0xf4/0x15c [ 205.111935][ T6698] dump_stack+0x1c/0x5c [ 205.112514][ T6698] sysfs_create_dir_ns+0x244/0x264 [ 205.113211][ T6698] kobject_add_internal+0x5ac/0xc3c [ 205.113940][ T6698] kobject_init_and_add+0x124/0x190 [ 205.114660][ T6698] gfs2_sys_fs_add+0x200/0x41c [ 205.115304][ T6698] gfs2_fill_super+0xddc/0x1a18 [ 205.116002][ T6698] get_tree_bdev+0x358/0x544 [ 205.116672][ T6698] gfs2_get_tree+0x54/0x1b4 [ 205.117373][ T6698] vfs_get_tree+0x90/0x274 [ 205.117974][ T6698] do_new_mount+0x228/0x810 [ 205.118581][ T6698] path_mount+0x5bc/0x1008 [ 205.119234][ T6698] __arm64_sys_mount+0x514/0x5f0 [ 205.119983][ T6698] invoke_syscall+0x98/0x2b0 [ 205.120640][ T6698] el0_svc_common+0x138/0x258 [ 205.121295][ T6698] do_el0_svc+0x58/0x13c [ 205.121879][ T6698] el0_svc+0x78/0x1d0 [ 205.122465][ T6698] el0t_64_sync_handler+0xcc/0xe4 [ 205.123152][ T6698] el0t_64_sync+0x1a0/0x1a4 [ 205.125229][ T6698] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.127354][ T6698] gfs2: fsid=](_: error -17 adding sysfs files [ 205.304289][ T6701] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.305278][ T6701] CPU: 1 PID: 6701 Comm: syz.1.571 Not tainted syzkaller #0 [ 205.306308][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.307670][ T6701] Call trace: [ 205.308122][ T6701] dump_backtrace+0x0/0x458 [ 205.308860][ T6701] show_stack+0x2c/0x3c [ 205.309498][ T6701] __dump_stack+0x30/0x40 [ 205.310183][ T6701] dump_stack_lvl+0xf4/0x15c [ 205.310867][ T6701] dump_stack+0x1c/0x5c [ 205.311470][ T6701] sysfs_create_dir_ns+0x244/0x264 [ 205.312240][ T6701] kobject_add_internal+0x5ac/0xc3c [ 205.313001][ T6701] kobject_init_and_add+0x124/0x190 [ 205.313759][ T6701] gfs2_sys_fs_add+0x200/0x41c [ 205.314492][ T6701] gfs2_fill_super+0xddc/0x1a18 [ 205.315279][ T6701] get_tree_bdev+0x358/0x544 [ 205.315987][ T6701] gfs2_get_tree+0x54/0x1b4 [ 205.316671][ T6701] vfs_get_tree+0x90/0x274 [ 205.317325][ T6701] do_new_mount+0x228/0x810 [ 205.318008][ T6701] path_mount+0x5bc/0x1008 [ 205.318624][ T6701] __arm64_sys_mount+0x514/0x5f0 [ 205.319365][ T6701] invoke_syscall+0x98/0x2b0 [ 205.320052][ T6701] el0_svc_common+0x138/0x258 [ 205.320797][ T6701] do_el0_svc+0x58/0x13c [ 205.321420][ T6701] el0_svc+0x78/0x1d0 [ 205.322024][ T6701] el0t_64_sync_handler+0xcc/0xe4 [ 205.322789][ T6701] el0t_64_sync+0x1a0/0x1a4 [ 205.324866][ T6701] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.326940][ T6701] gfs2: fsid=](_: error -17 adding sysfs files [ 205.467101][ T6704] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.468256][ T6704] CPU: 1 PID: 6704 Comm: syz.1.572 Not tainted syzkaller #0 [ 205.469434][ T6704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.471059][ T6704] Call trace: [ 205.471528][ T6704] dump_backtrace+0x0/0x458 [ 205.472170][ T6704] show_stack+0x2c/0x3c [ 205.472820][ T6704] __dump_stack+0x30/0x40 [ 205.473463][ T6704] dump_stack_lvl+0xf4/0x15c [ 205.474134][ T6704] dump_stack+0x1c/0x5c [ 205.474710][ T6704] sysfs_create_dir_ns+0x244/0x264 [ 205.475427][ T6704] kobject_add_internal+0x5ac/0xc3c [ 205.476186][ T6704] kobject_init_and_add+0x124/0x190 [ 205.476989][ T6704] gfs2_sys_fs_add+0x200/0x41c [ 205.477704][ T6704] gfs2_fill_super+0xddc/0x1a18 [ 205.478401][ T6704] get_tree_bdev+0x358/0x544 [ 205.479052][ T6704] gfs2_get_tree+0x54/0x1b4 [ 205.479714][ T6704] vfs_get_tree+0x90/0x274 [ 205.480328][ T6704] do_new_mount+0x228/0x810 [ 205.481012][ T6704] path_mount+0x5bc/0x1008 [ 205.481607][ T6704] __arm64_sys_mount+0x514/0x5f0 [ 205.482315][ T6704] invoke_syscall+0x98/0x2b0 [ 205.483028][ T6704] el0_svc_common+0x138/0x258 [ 205.483715][ T6704] do_el0_svc+0x58/0x13c [ 205.484358][ T6704] el0_svc+0x78/0x1d0 [ 205.484955][ T6704] el0t_64_sync_handler+0xcc/0xe4 [ 205.485786][ T6704] el0t_64_sync+0x1a0/0x1a4 [ 205.489590][ T6704] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.491398][ T6704] gfs2: fsid=](_: error -17 adding sysfs files [ 205.629246][ T6707] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.630608][ T6707] CPU: 0 PID: 6707 Comm: syz.1.573 Not tainted syzkaller #0 [ 205.631722][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.633241][ T6707] Call trace: [ 205.633723][ T6707] dump_backtrace+0x0/0x458 [ 205.634447][ T6707] show_stack+0x2c/0x3c [ 205.635062][ T6707] __dump_stack+0x30/0x40 [ 205.635744][ T6707] dump_stack_lvl+0xf4/0x15c [ 205.636427][ T6707] dump_stack+0x1c/0x5c [ 205.637049][ T6707] sysfs_create_dir_ns+0x244/0x264 [ 205.637772][ T6707] kobject_add_internal+0x5ac/0xc3c [ 205.638508][ T6707] kobject_init_and_add+0x124/0x190 [ 205.639275][ T6707] gfs2_sys_fs_add+0x200/0x41c [ 205.639995][ T6707] gfs2_fill_super+0xddc/0x1a18 [ 205.640686][ T6707] get_tree_bdev+0x358/0x544 [ 205.641443][ T6707] gfs2_get_tree+0x54/0x1b4 [ 205.642075][ T6707] vfs_get_tree+0x90/0x274 [ 205.642709][ T6707] do_new_mount+0x228/0x810 [ 205.643424][ T6707] path_mount+0x5bc/0x1008 [ 205.644019][ T6707] __arm64_sys_mount+0x514/0x5f0 [ 205.644694][ T6707] invoke_syscall+0x98/0x2b0 [ 205.645372][ T6707] el0_svc_common+0x138/0x258 [ 205.646033][ T6707] do_el0_svc+0x58/0x13c [ 205.646612][ T6707] el0_svc+0x78/0x1d0 [ 205.647199][ T6707] el0t_64_sync_handler+0xcc/0xe4 [ 205.647965][ T6707] el0t_64_sync+0x1a0/0x1a4 [ 205.650483][ T6707] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.652465][ T6707] gfs2: fsid=](_: error -17 adding sysfs files [ 205.793200][ T6710] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 205.794421][ T6710] CPU: 1 PID: 6710 Comm: syz.1.574 Not tainted syzkaller #0 [ 205.795526][ T6710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 205.797030][ T6710] Call trace: [ 205.797514][ T6710] dump_backtrace+0x0/0x458 [ 205.798201][ T6710] show_stack+0x2c/0x3c [ 205.798813][ T6710] __dump_stack+0x30/0x40 [ 205.799468][ T6710] dump_stack_lvl+0xf4/0x15c [ 205.800205][ T6710] dump_stack+0x1c/0x5c [ 205.800884][ T6710] sysfs_create_dir_ns+0x244/0x264 [ 205.801678][ T6710] kobject_add_internal+0x5ac/0xc3c [ 205.802541][ T6710] kobject_init_and_add+0x124/0x190 [ 205.803293][ T6710] gfs2_sys_fs_add+0x200/0x41c [ 205.804020][ T6710] gfs2_fill_super+0xddc/0x1a18 [ 205.804741][ T6710] get_tree_bdev+0x358/0x544 [ 205.805449][ T6710] gfs2_get_tree+0x54/0x1b4 [ 205.806109][ T6710] vfs_get_tree+0x90/0x274 [ 205.806754][ T6710] do_new_mount+0x228/0x810 [ 205.807492][ T6710] path_mount+0x5bc/0x1008 [ 205.808149][ T6710] __arm64_sys_mount+0x514/0x5f0 [ 205.808940][ T6710] invoke_syscall+0x98/0x2b0 [ 205.809700][ T6710] el0_svc_common+0x138/0x258 [ 205.810363][ T6710] do_el0_svc+0x58/0x13c [ 205.811006][ T6710] el0_svc+0x78/0x1d0 [ 205.811628][ T6710] el0t_64_sync_handler+0xcc/0xe4 [ 205.812402][ T6710] el0t_64_sync+0x1a0/0x1a4 [ 205.813369][ T6710] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 205.815341][ T6710] gfs2: fsid=](_: error -17 adding sysfs files [ 206.020345][ T6713] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 206.021800][ T6713] CPU: 0 PID: 6713 Comm: syz.1.575 Not tainted syzkaller #0 [ 206.022889][ T6713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.024331][ T6713] Call trace: [ 206.024782][ T6713] dump_backtrace+0x0/0x458 [ 206.025483][ T6713] show_stack+0x2c/0x3c [ 206.026052][ T6713] __dump_stack+0x30/0x40 [ 206.026707][ T6713] dump_stack_lvl+0xf4/0x15c [ 206.027336][ T6713] dump_stack+0x1c/0x5c [ 206.027931][ T6713] sysfs_create_dir_ns+0x244/0x264 [ 206.028642][ T6713] kobject_add_internal+0x5ac/0xc3c [ 206.029385][ T6713] kobject_init_and_add+0x124/0x190 [ 206.030099][ T6713] gfs2_sys_fs_add+0x200/0x41c [ 206.030812][ T6713] gfs2_fill_super+0xddc/0x1a18 [ 206.031578][ T6713] get_tree_bdev+0x358/0x544 [ 206.032256][ T6713] gfs2_get_tree+0x54/0x1b4 [ 206.032889][ T6713] vfs_get_tree+0x90/0x274 [ 206.033606][ T6713] do_new_mount+0x228/0x810 [ 206.034313][ T6713] path_mount+0x5bc/0x1008 [ 206.034925][ T6713] __arm64_sys_mount+0x514/0x5f0 [ 206.035653][ T6713] invoke_syscall+0x98/0x2b0 [ 206.036293][ T6713] el0_svc_common+0x138/0x258 [ 206.036980][ T6713] do_el0_svc+0x58/0x13c [ 206.037658][ T6713] el0_svc+0x78/0x1d0 [ 206.038257][ T6713] el0t_64_sync_handler+0xcc/0xe4 [ 206.038959][ T6713] el0t_64_sync+0x1a0/0x1a4 [ 206.040089][ T6713] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.042162][ T6713] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:26 executed programs: 562 [ 206.335071][ T6716] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 206.336394][ T6716] CPU: 0 PID: 6716 Comm: syz.1.576 Not tainted syzkaller #0 [ 206.337562][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.338973][ T6716] Call trace: [ 206.339490][ T6716] dump_backtrace+0x0/0x458 [ 206.340189][ T6716] show_stack+0x2c/0x3c [ 206.340741][ T6716] __dump_stack+0x30/0x40 [ 206.341312][ T6716] dump_stack_lvl+0xf4/0x15c [ 206.341944][ T6716] dump_stack+0x1c/0x5c [ 206.342529][ T6716] sysfs_create_dir_ns+0x244/0x264 [ 206.343210][ T6716] kobject_add_internal+0x5ac/0xc3c [ 206.343964][ T6716] kobject_init_and_add+0x124/0x190 [ 206.344709][ T6716] gfs2_sys_fs_add+0x200/0x41c [ 206.345404][ T6716] gfs2_fill_super+0xddc/0x1a18 [ 206.346083][ T6716] get_tree_bdev+0x358/0x544 [ 206.346744][ T6716] gfs2_get_tree+0x54/0x1b4 [ 206.347380][ T6716] vfs_get_tree+0x90/0x274 [ 206.348047][ T6716] do_new_mount+0x228/0x810 [ 206.348721][ T6716] path_mount+0x5bc/0x1008 [ 206.349361][ T6716] __arm64_sys_mount+0x514/0x5f0 [ 206.350130][ T6716] invoke_syscall+0x98/0x2b0 [ 206.350757][ T6716] el0_svc_common+0x138/0x258 [ 206.351390][ T6716] do_el0_svc+0x58/0x13c [ 206.351986][ T6716] el0_svc+0x78/0x1d0 [ 206.352575][ T6716] el0t_64_sync_handler+0xcc/0xe4 [ 206.353351][ T6716] el0t_64_sync+0x1a0/0x1a4 [ 206.355477][ T6716] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.357448][ T6716] gfs2: fsid=](_: error -17 adding sysfs files [ 206.495108][ T6719] set_capacity_and_notify: 13 callbacks suppressed [ 206.495119][ T6719] loop1: detected capacity change from 0 to 32768 [ 206.540621][ T6719] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 206.541873][ T6719] CPU: 0 PID: 6719 Comm: syz.1.577 Not tainted syzkaller #0 [ 206.543011][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.544452][ T6719] Call trace: [ 206.544892][ T6719] dump_backtrace+0x0/0x458 [ 206.545547][ T6719] show_stack+0x2c/0x3c [ 206.546178][ T6719] __dump_stack+0x30/0x40 [ 206.546853][ T6719] dump_stack_lvl+0xf4/0x15c [ 206.547532][ T6719] dump_stack+0x1c/0x5c [ 206.548146][ T6719] sysfs_create_dir_ns+0x244/0x264 [ 206.548862][ T6719] kobject_add_internal+0x5ac/0xc3c [ 206.549623][ T6719] kobject_init_and_add+0x124/0x190 [ 206.550399][ T6719] gfs2_sys_fs_add+0x200/0x41c [ 206.551083][ T6719] gfs2_fill_super+0xddc/0x1a18 [ 206.551867][ T6719] get_tree_bdev+0x358/0x544 [ 206.552556][ T6719] gfs2_get_tree+0x54/0x1b4 [ 206.553214][ T6719] vfs_get_tree+0x90/0x274 [ 206.553846][ T6719] do_new_mount+0x228/0x810 [ 206.554489][ T6719] path_mount+0x5bc/0x1008 [ 206.555164][ T6719] __arm64_sys_mount+0x514/0x5f0 [ 206.555863][ T6719] invoke_syscall+0x98/0x2b0 [ 206.556543][ T6719] el0_svc_common+0x138/0x258 [ 206.557234][ T6719] do_el0_svc+0x58/0x13c [ 206.557910][ T6719] el0_svc+0x78/0x1d0 [ 206.558538][ T6719] el0t_64_sync_handler+0xcc/0xe4 [ 206.559294][ T6719] el0t_64_sync+0x1a0/0x1a4 [ 206.560831][ T6719] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.562858][ T6719] gfs2: fsid=](_: error -17 adding sysfs files [ 206.698448][ T6722] loop1: detected capacity change from 0 to 32768 [ 206.754472][ T6722] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 206.755702][ T6722] CPU: 0 PID: 6722 Comm: syz.1.578 Not tainted syzkaller #0 [ 206.756787][ T6722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 206.758194][ T6722] Call trace: [ 206.758648][ T6722] dump_backtrace+0x0/0x458 [ 206.759264][ T6722] show_stack+0x2c/0x3c [ 206.759878][ T6722] __dump_stack+0x30/0x40 [ 206.760497][ T6722] dump_stack_lvl+0xf4/0x15c [ 206.761148][ T6722] dump_stack+0x1c/0x5c [ 206.761738][ T6722] sysfs_create_dir_ns+0x244/0x264 [ 206.762473][ T6722] kobject_add_internal+0x5ac/0xc3c [ 206.763245][ T6722] kobject_init_and_add+0x124/0x190 [ 206.764031][ T6722] gfs2_sys_fs_add+0x200/0x41c [ 206.764725][ T6722] gfs2_fill_super+0xddc/0x1a18 [ 206.765397][ T6722] get_tree_bdev+0x358/0x544 [ 206.766057][ T6722] gfs2_get_tree+0x54/0x1b4 [ 206.766698][ T6722] vfs_get_tree+0x90/0x274 [ 206.767346][ T6722] do_new_mount+0x228/0x810 [ 206.768005][ T6722] path_mount+0x5bc/0x1008 [ 206.768670][ T6722] __arm64_sys_mount+0x514/0x5f0 [ 206.769396][ T6722] invoke_syscall+0x98/0x2b0 [ 206.770043][ T6722] el0_svc_common+0x138/0x258 [ 206.770717][ T6722] do_el0_svc+0x58/0x13c [ 206.771362][ T6722] el0_svc+0x78/0x1d0 [ 206.771922][ T6722] el0t_64_sync_handler+0xcc/0xe4 [ 206.772691][ T6722] el0t_64_sync+0x1a0/0x1a4 [ 206.774270][ T6722] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 206.776256][ T6722] gfs2: fsid=](_: error -17 adding sysfs files [ 206.961186][ T6725] loop1: detected capacity change from 0 to 32768 [ 207.000503][ T6725] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.001675][ T6725] CPU: 1 PID: 6725 Comm: syz.1.579 Not tainted syzkaller #0 [ 207.002725][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.004188][ T6725] Call trace: [ 207.004682][ T6725] dump_backtrace+0x0/0x458 [ 207.005360][ T6725] show_stack+0x2c/0x3c [ 207.005954][ T6725] __dump_stack+0x30/0x40 [ 207.006562][ T6725] dump_stack_lvl+0xf4/0x15c [ 207.007237][ T6725] dump_stack+0x1c/0x5c [ 207.007812][ T6725] sysfs_create_dir_ns+0x244/0x264 [ 207.008492][ T6725] kobject_add_internal+0x5ac/0xc3c [ 207.009167][ T6725] kobject_init_and_add+0x124/0x190 [ 207.009908][ T6725] gfs2_sys_fs_add+0x200/0x41c [ 207.010586][ T6725] gfs2_fill_super+0xddc/0x1a18 [ 207.011272][ T6725] get_tree_bdev+0x358/0x544 [ 207.011958][ T6725] gfs2_get_tree+0x54/0x1b4 [ 207.012586][ T6725] vfs_get_tree+0x90/0x274 [ 207.013249][ T6725] do_new_mount+0x228/0x810 [ 207.013904][ T6725] path_mount+0x5bc/0x1008 [ 207.014550][ T6725] __arm64_sys_mount+0x514/0x5f0 [ 207.015219][ T6725] invoke_syscall+0x98/0x2b0 [ 207.015872][ T6725] el0_svc_common+0x138/0x258 [ 207.016540][ T6725] do_el0_svc+0x58/0x13c [ 207.017156][ T6725] el0_svc+0x78/0x1d0 [ 207.017703][ T6725] el0t_64_sync_handler+0xcc/0xe4 [ 207.018440][ T6725] el0t_64_sync+0x1a0/0x1a4 [ 207.019327][ T6725] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.021174][ T6725] gfs2: fsid=](_: error -17 adding sysfs files [ 207.196097][ T6728] loop1: detected capacity change from 0 to 32768 [ 207.240836][ T6728] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.242675][ T6728] CPU: 1 PID: 6728 Comm: syz.1.580 Not tainted syzkaller #0 [ 207.243812][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.245303][ T6728] Call trace: [ 207.245802][ T6728] dump_backtrace+0x0/0x458 [ 207.246494][ T6728] show_stack+0x2c/0x3c [ 207.247177][ T6728] __dump_stack+0x30/0x40 [ 207.247861][ T6728] dump_stack_lvl+0xf4/0x15c [ 207.248544][ T6728] dump_stack+0x1c/0x5c [ 207.249163][ T6728] sysfs_create_dir_ns+0x244/0x264 [ 207.249973][ T6728] kobject_add_internal+0x5ac/0xc3c [ 207.250805][ T6728] kobject_init_and_add+0x124/0x190 [ 207.251629][ T6728] gfs2_sys_fs_add+0x200/0x41c [ 207.252295][ T6728] gfs2_fill_super+0xddc/0x1a18 [ 207.253058][ T6728] get_tree_bdev+0x358/0x544 [ 207.253722][ T6728] gfs2_get_tree+0x54/0x1b4 [ 207.254419][ T6728] vfs_get_tree+0x90/0x274 [ 207.255070][ T6728] do_new_mount+0x228/0x810 [ 207.255763][ T6728] path_mount+0x5bc/0x1008 [ 207.256418][ T6728] __arm64_sys_mount+0x514/0x5f0 [ 207.257156][ T6728] invoke_syscall+0x98/0x2b0 [ 207.257846][ T6728] el0_svc_common+0x138/0x258 [ 207.258542][ T6728] do_el0_svc+0x58/0x13c [ 207.259165][ T6728] el0_svc+0x78/0x1d0 [ 207.259748][ T6728] el0t_64_sync_handler+0xcc/0xe4 [ 207.260526][ T6728] el0t_64_sync+0x1a0/0x1a4 [ 207.261956][ T6728] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.263950][ T6728] gfs2: fsid=](_: error -17 adding sysfs files [ 207.393518][ T6731] loop1: detected capacity change from 0 to 32768 [ 207.434315][ T6731] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.435526][ T6731] CPU: 1 PID: 6731 Comm: syz.1.581 Not tainted syzkaller #0 [ 207.436543][ T6731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.437977][ T6731] Call trace: [ 207.438423][ T6731] dump_backtrace+0x0/0x458 [ 207.439332][ T6731] show_stack+0x2c/0x3c [ 207.439950][ T6731] __dump_stack+0x30/0x40 [ 207.440612][ T6731] dump_stack_lvl+0xf4/0x15c [ 207.441362][ T6731] dump_stack+0x1c/0x5c [ 207.442026][ T6731] sysfs_create_dir_ns+0x244/0x264 [ 207.442810][ T6731] kobject_add_internal+0x5ac/0xc3c [ 207.443637][ T6731] kobject_init_and_add+0x124/0x190 [ 207.444494][ T6731] gfs2_sys_fs_add+0x200/0x41c [ 207.445192][ T6731] gfs2_fill_super+0xddc/0x1a18 [ 207.445929][ T6731] get_tree_bdev+0x358/0x544 [ 207.446615][ T6731] gfs2_get_tree+0x54/0x1b4 [ 207.447306][ T6731] vfs_get_tree+0x90/0x274 [ 207.448006][ T6731] do_new_mount+0x228/0x810 [ 207.448676][ T6731] path_mount+0x5bc/0x1008 [ 207.449323][ T6731] __arm64_sys_mount+0x514/0x5f0 [ 207.450052][ T6731] invoke_syscall+0x98/0x2b0 [ 207.450708][ T6731] el0_svc_common+0x138/0x258 [ 207.451394][ T6731] do_el0_svc+0x58/0x13c [ 207.451987][ T6731] el0_svc+0x78/0x1d0 [ 207.452569][ T6731] el0t_64_sync_handler+0xcc/0xe4 [ 207.453334][ T6731] el0t_64_sync+0x1a0/0x1a4 [ 207.455422][ T6731] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.457331][ T6731] gfs2: fsid=](_: error -17 adding sysfs files [ 207.590877][ T6734] loop1: detected capacity change from 0 to 32768 [ 207.598431][ T6734] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.599726][ T6734] CPU: 0 PID: 6734 Comm: syz.1.582 Not tainted syzkaller #0 [ 207.600893][ T6734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.602515][ T6734] Call trace: [ 207.602979][ T6734] dump_backtrace+0x0/0x458 [ 207.603647][ T6734] show_stack+0x2c/0x3c [ 207.604269][ T6734] __dump_stack+0x30/0x40 [ 207.604901][ T6734] dump_stack_lvl+0xf4/0x15c [ 207.605552][ T6734] dump_stack+0x1c/0x5c [ 207.606120][ T6734] sysfs_create_dir_ns+0x244/0x264 [ 207.606892][ T6734] kobject_add_internal+0x5ac/0xc3c [ 207.607640][ T6734] kobject_init_and_add+0x124/0x190 [ 207.608431][ T6734] gfs2_sys_fs_add+0x200/0x41c [ 207.609098][ T6734] gfs2_fill_super+0xddc/0x1a18 [ 207.609792][ T6734] get_tree_bdev+0x358/0x544 [ 207.610512][ T6734] gfs2_get_tree+0x54/0x1b4 [ 207.611212][ T6734] vfs_get_tree+0x90/0x274 [ 207.611869][ T6734] do_new_mount+0x228/0x810 [ 207.612520][ T6734] path_mount+0x5bc/0x1008 [ 207.613170][ T6734] __arm64_sys_mount+0x514/0x5f0 [ 207.613897][ T6734] invoke_syscall+0x98/0x2b0 [ 207.614534][ T6734] el0_svc_common+0x138/0x258 [ 207.615194][ T6734] do_el0_svc+0x58/0x13c [ 207.615899][ T6734] el0_svc+0x78/0x1d0 [ 207.616556][ T6734] el0t_64_sync_handler+0xcc/0xe4 [ 207.617309][ T6734] el0t_64_sync+0x1a0/0x1a4 [ 207.618256][ T6734] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.620564][ T6734] gfs2: fsid=](_: error -17 adding sysfs files [ 207.755108][ T6737] loop1: detected capacity change from 0 to 32768 [ 207.764555][ T6737] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.765719][ T6737] CPU: 1 PID: 6737 Comm: syz.1.583 Not tainted syzkaller #0 [ 207.766845][ T6737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.768269][ T6737] Call trace: [ 207.768719][ T6737] dump_backtrace+0x0/0x458 [ 207.769383][ T6737] show_stack+0x2c/0x3c [ 207.769984][ T6737] __dump_stack+0x30/0x40 [ 207.770622][ T6737] dump_stack_lvl+0xf4/0x15c [ 207.771304][ T6737] dump_stack+0x1c/0x5c [ 207.771916][ T6737] sysfs_create_dir_ns+0x244/0x264 [ 207.772660][ T6737] kobject_add_internal+0x5ac/0xc3c [ 207.773416][ T6737] kobject_init_and_add+0x124/0x190 [ 207.774199][ T6737] gfs2_sys_fs_add+0x200/0x41c [ 207.774910][ T6737] gfs2_fill_super+0xddc/0x1a18 [ 207.775605][ T6737] get_tree_bdev+0x358/0x544 [ 207.776221][ T6737] gfs2_get_tree+0x54/0x1b4 [ 207.776867][ T6737] vfs_get_tree+0x90/0x274 [ 207.777509][ T6737] do_new_mount+0x228/0x810 [ 207.778153][ T6737] path_mount+0x5bc/0x1008 [ 207.778810][ T6737] __arm64_sys_mount+0x514/0x5f0 [ 207.779558][ T6737] invoke_syscall+0x98/0x2b0 [ 207.780208][ T6737] el0_svc_common+0x138/0x258 [ 207.780926][ T6737] do_el0_svc+0x58/0x13c [ 207.781607][ T6737] el0_svc+0x78/0x1d0 [ 207.782184][ T6737] el0t_64_sync_handler+0xcc/0xe4 [ 207.782919][ T6737] el0t_64_sync+0x1a0/0x1a4 [ 207.786450][ T6737] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.788257][ T6737] gfs2: fsid=](_: error -17 adding sysfs files [ 207.920301][ T6740] loop1: detected capacity change from 0 to 32768 [ 207.971904][ T6740] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 207.973004][ T6740] CPU: 0 PID: 6740 Comm: syz.1.584 Not tainted syzkaller #0 [ 207.974065][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.975553][ T6740] Call trace: [ 207.976046][ T6740] dump_backtrace+0x0/0x458 [ 207.976676][ T6740] show_stack+0x2c/0x3c [ 207.977249][ T6740] __dump_stack+0x30/0x40 [ 207.977916][ T6740] dump_stack_lvl+0xf4/0x15c [ 207.978577][ T6740] dump_stack+0x1c/0x5c [ 207.979155][ T6740] sysfs_create_dir_ns+0x244/0x264 [ 207.979947][ T6740] kobject_add_internal+0x5ac/0xc3c [ 207.980684][ T6740] kobject_init_and_add+0x124/0x190 [ 207.981389][ T6740] gfs2_sys_fs_add+0x200/0x41c [ 207.982053][ T6740] gfs2_fill_super+0xddc/0x1a18 [ 207.982796][ T6740] get_tree_bdev+0x358/0x544 [ 207.983482][ T6740] gfs2_get_tree+0x54/0x1b4 [ 207.984139][ T6740] vfs_get_tree+0x90/0x274 [ 207.984808][ T6740] do_new_mount+0x228/0x810 [ 207.985479][ T6740] path_mount+0x5bc/0x1008 [ 207.986210][ T6740] __arm64_sys_mount+0x514/0x5f0 [ 207.986956][ T6740] invoke_syscall+0x98/0x2b0 [ 207.987638][ T6740] el0_svc_common+0x138/0x258 [ 207.988340][ T6740] do_el0_svc+0x58/0x13c [ 207.988923][ T6740] el0_svc+0x78/0x1d0 [ 207.989532][ T6740] el0t_64_sync_handler+0xcc/0xe4 [ 207.990378][ T6740] el0t_64_sync+0x1a0/0x1a4 [ 207.991169][ T6740] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 207.993060][ T6740] gfs2: fsid=](_: error -17 adding sysfs files [ 208.160400][ T6743] loop1: detected capacity change from 0 to 32768 [ 208.218718][ T6743] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.221663][ T6743] CPU: 1 PID: 6743 Comm: syz.1.585 Not tainted syzkaller #0 [ 208.222759][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.224209][ T6743] Call trace: [ 208.224644][ T6743] dump_backtrace+0x0/0x458 [ 208.225336][ T6743] show_stack+0x2c/0x3c [ 208.225933][ T6743] __dump_stack+0x30/0x40 [ 208.226527][ T6743] dump_stack_lvl+0xf4/0x15c [ 208.227146][ T6743] dump_stack+0x1c/0x5c [ 208.227721][ T6743] sysfs_create_dir_ns+0x244/0x264 [ 208.228448][ T6743] kobject_add_internal+0x5ac/0xc3c [ 208.229162][ T6743] kobject_init_and_add+0x124/0x190 [ 208.229914][ T6743] gfs2_sys_fs_add+0x200/0x41c [ 208.230631][ T6743] gfs2_fill_super+0xddc/0x1a18 [ 208.231303][ T6743] get_tree_bdev+0x358/0x544 [ 208.232004][ T6743] gfs2_get_tree+0x54/0x1b4 [ 208.232632][ T6743] vfs_get_tree+0x90/0x274 [ 208.233271][ T6743] do_new_mount+0x228/0x810 [ 208.233905][ T6743] path_mount+0x5bc/0x1008 [ 208.234536][ T6743] __arm64_sys_mount+0x514/0x5f0 [ 208.235230][ T6743] invoke_syscall+0x98/0x2b0 [ 208.235927][ T6743] el0_svc_common+0x138/0x258 [ 208.236598][ T6743] do_el0_svc+0x58/0x13c [ 208.237208][ T6743] el0_svc+0x78/0x1d0 [ 208.237844][ T6743] el0t_64_sync_handler+0xcc/0xe4 [ 208.238549][ T6743] el0t_64_sync+0x1a0/0x1a4 [ 208.240581][ T6743] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.242510][ T6743] gfs2: fsid=](_: error -17 adding sysfs files [ 208.373574][ T6746] loop1: detected capacity change from 0 to 32768 [ 208.381557][ T6746] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.382769][ T6746] CPU: 0 PID: 6746 Comm: syz.1.586 Not tainted syzkaller #0 [ 208.383895][ T6746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.385406][ T6746] Call trace: [ 208.385892][ T6746] dump_backtrace+0x0/0x458 [ 208.386548][ T6746] show_stack+0x2c/0x3c [ 208.387144][ T6746] __dump_stack+0x30/0x40 [ 208.387801][ T6746] dump_stack_lvl+0xf4/0x15c [ 208.388446][ T6746] dump_stack+0x1c/0x5c [ 208.389063][ T6746] sysfs_create_dir_ns+0x244/0x264 [ 208.389833][ T6746] kobject_add_internal+0x5ac/0xc3c [ 208.390582][ T6746] kobject_init_and_add+0x124/0x190 [ 208.391331][ T6746] gfs2_sys_fs_add+0x200/0x41c [ 208.392039][ T6746] gfs2_fill_super+0xddc/0x1a18 [ 208.392761][ T6746] get_tree_bdev+0x358/0x544 [ 208.393469][ T6746] gfs2_get_tree+0x54/0x1b4 [ 208.394114][ T6746] vfs_get_tree+0x90/0x274 [ 208.394783][ T6746] do_new_mount+0x228/0x810 [ 208.395420][ T6746] path_mount+0x5bc/0x1008 [ 208.396058][ T6746] __arm64_sys_mount+0x514/0x5f0 [ 208.396819][ T6746] invoke_syscall+0x98/0x2b0 [ 208.397558][ T6746] el0_svc_common+0x138/0x258 [ 208.398245][ T6746] do_el0_svc+0x58/0x13c [ 208.398914][ T6746] el0_svc+0x78/0x1d0 [ 208.399487][ T6746] el0t_64_sync_handler+0xcc/0xe4 [ 208.400266][ T6746] el0t_64_sync+0x1a0/0x1a4 [ 208.402310][ T6746] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.404478][ T6746] gfs2: fsid=](_: error -17 adding sysfs files [ 208.642990][ T6749] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.644220][ T6749] CPU: 1 PID: 6749 Comm: syz.1.587 Not tainted syzkaller #0 [ 208.645367][ T6749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.646842][ T6749] Call trace: [ 208.647352][ T6749] dump_backtrace+0x0/0x458 [ 208.648073][ T6749] show_stack+0x2c/0x3c [ 208.648604][ T6749] __dump_stack+0x30/0x40 [ 208.649340][ T6749] dump_stack_lvl+0xf4/0x15c [ 208.650076][ T6749] dump_stack+0x1c/0x5c [ 208.650731][ T6749] sysfs_create_dir_ns+0x244/0x264 [ 208.651525][ T6749] kobject_add_internal+0x5ac/0xc3c [ 208.652296][ T6749] kobject_init_and_add+0x124/0x190 [ 208.653054][ T6749] gfs2_sys_fs_add+0x200/0x41c [ 208.653736][ T6749] gfs2_fill_super+0xddc/0x1a18 [ 208.654324][ T6749] get_tree_bdev+0x358/0x544 [ 208.655028][ T6749] gfs2_get_tree+0x54/0x1b4 [ 208.655687][ T6749] vfs_get_tree+0x90/0x274 [ 208.656372][ T6749] do_new_mount+0x228/0x810 [ 208.657064][ T6749] path_mount+0x5bc/0x1008 [ 208.657702][ T6749] __arm64_sys_mount+0x514/0x5f0 [ 208.658458][ T6749] invoke_syscall+0x98/0x2b0 [ 208.659132][ T6749] el0_svc_common+0x138/0x258 [ 208.659856][ T6749] do_el0_svc+0x58/0x13c [ 208.660500][ T6749] el0_svc+0x78/0x1d0 [ 208.661058][ T6749] el0t_64_sync_handler+0xcc/0xe4 [ 208.661772][ T6749] el0t_64_sync+0x1a0/0x1a4 [ 208.664113][ T6749] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.666086][ T6749] gfs2: fsid=](_: error -17 adding sysfs files [ 208.923791][ T6752] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 208.925019][ T6752] CPU: 1 PID: 6752 Comm: syz.1.588 Not tainted syzkaller #0 [ 208.926141][ T6752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.927535][ T6752] Call trace: [ 208.928005][ T6752] dump_backtrace+0x0/0x458 [ 208.928692][ T6752] show_stack+0x2c/0x3c [ 208.929301][ T6752] __dump_stack+0x30/0x40 [ 208.929918][ T6752] dump_stack_lvl+0xf4/0x15c [ 208.930590][ T6752] dump_stack+0x1c/0x5c [ 208.931200][ T6752] sysfs_create_dir_ns+0x244/0x264 [ 208.931927][ T6752] kobject_add_internal+0x5ac/0xc3c [ 208.932736][ T6752] kobject_init_and_add+0x124/0x190 [ 208.933510][ T6752] gfs2_sys_fs_add+0x200/0x41c [ 208.934183][ T6752] gfs2_fill_super+0xddc/0x1a18 [ 208.934889][ T6752] get_tree_bdev+0x358/0x544 [ 208.935577][ T6752] gfs2_get_tree+0x54/0x1b4 [ 208.936330][ T6752] vfs_get_tree+0x90/0x274 [ 208.937050][ T6752] do_new_mount+0x228/0x810 [ 208.937684][ T6752] path_mount+0x5bc/0x1008 [ 208.938310][ T6752] __arm64_sys_mount+0x514/0x5f0 [ 208.939010][ T6752] invoke_syscall+0x98/0x2b0 [ 208.939674][ T6752] el0_svc_common+0x138/0x258 [ 208.940380][ T6752] do_el0_svc+0x58/0x13c [ 208.941006][ T6752] el0_svc+0x78/0x1d0 [ 208.941590][ T6752] el0t_64_sync_handler+0xcc/0xe4 [ 208.942338][ T6752] el0t_64_sync+0x1a0/0x1a4 [ 208.943173][ T6752] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 208.945061][ T6752] gfs2: fsid=](_: error -17 adding sysfs files [ 209.126200][ T6755] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.127349][ T6755] CPU: 0 PID: 6755 Comm: syz.1.589 Not tainted syzkaller #0 [ 209.128518][ T6755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.130128][ T6755] Call trace: [ 209.130582][ T6755] dump_backtrace+0x0/0x458 [ 209.131244][ T6755] show_stack+0x2c/0x3c [ 209.131872][ T6755] __dump_stack+0x30/0x40 [ 209.132518][ T6755] dump_stack_lvl+0xf4/0x15c [ 209.133168][ T6755] dump_stack+0x1c/0x5c [ 209.133790][ T6755] sysfs_create_dir_ns+0x244/0x264 [ 209.134584][ T6755] kobject_add_internal+0x5ac/0xc3c [ 209.135330][ T6755] kobject_init_and_add+0x124/0x190 [ 209.136110][ T6755] gfs2_sys_fs_add+0x200/0x41c [ 209.136844][ T6755] gfs2_fill_super+0xddc/0x1a18 [ 209.137581][ T6755] get_tree_bdev+0x358/0x544 [ 209.138264][ T6755] gfs2_get_tree+0x54/0x1b4 [ 209.138991][ T6755] vfs_get_tree+0x90/0x274 [ 209.139655][ T6755] do_new_mount+0x228/0x810 [ 209.140355][ T6755] path_mount+0x5bc/0x1008 [ 209.141004][ T6755] __arm64_sys_mount+0x514/0x5f0 [ 209.141730][ T6755] invoke_syscall+0x98/0x2b0 [ 209.142451][ T6755] el0_svc_common+0x138/0x258 [ 209.143112][ T6755] do_el0_svc+0x58/0x13c [ 209.143743][ T6755] el0_svc+0x78/0x1d0 [ 209.144346][ T6755] el0t_64_sync_handler+0xcc/0xe4 [ 209.145058][ T6755] el0t_64_sync+0x1a0/0x1a4 [ 209.147309][ T6755] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.149429][ T6755] gfs2: fsid=](_: error -17 adding sysfs files [ 209.315930][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.317173][ T6758] CPU: 0 PID: 6758 Comm: syz.1.590 Not tainted syzkaller #0 [ 209.318295][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.319831][ T6758] Call trace: [ 209.320337][ T6758] dump_backtrace+0x0/0x458 [ 209.321049][ T6758] show_stack+0x2c/0x3c [ 209.321615][ T6758] __dump_stack+0x30/0x40 [ 209.322233][ T6758] dump_stack_lvl+0xf4/0x15c [ 209.322970][ T6758] dump_stack+0x1c/0x5c [ 209.323622][ T6758] sysfs_create_dir_ns+0x244/0x264 [ 209.324393][ T6758] kobject_add_internal+0x5ac/0xc3c [ 209.325194][ T6758] kobject_init_and_add+0x124/0x190 [ 209.325958][ T6758] gfs2_sys_fs_add+0x200/0x41c [ 209.326613][ T6758] gfs2_fill_super+0xddc/0x1a18 [ 209.327318][ T6758] get_tree_bdev+0x358/0x544 [ 209.328007][ T6758] gfs2_get_tree+0x54/0x1b4 [ 209.328641][ T6758] vfs_get_tree+0x90/0x274 [ 209.329293][ T6758] do_new_mount+0x228/0x810 [ 209.329937][ T6758] path_mount+0x5bc/0x1008 [ 209.330638][ T6758] __arm64_sys_mount+0x514/0x5f0 [ 209.331384][ T6758] invoke_syscall+0x98/0x2b0 [ 209.332055][ T6758] el0_svc_common+0x138/0x258 [ 209.332792][ T6758] do_el0_svc+0x58/0x13c [ 209.333484][ T6758] el0_svc+0x78/0x1d0 [ 209.334136][ T6758] el0t_64_sync_handler+0xcc/0xe4 [ 209.334945][ T6758] el0t_64_sync+0x1a0/0x1a4 [ 209.337193][ T6758] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.339115][ T6758] gfs2: fsid=](_: error -17 adding sysfs files [ 209.520609][ T6761] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.521691][ T6761] CPU: 1 PID: 6761 Comm: syz.1.591 Not tainted syzkaller #0 [ 209.522742][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.524213][ T6761] Call trace: [ 209.524699][ T6761] dump_backtrace+0x0/0x458 [ 209.525454][ T6761] show_stack+0x2c/0x3c [ 209.526111][ T6761] __dump_stack+0x30/0x40 [ 209.526760][ T6761] dump_stack_lvl+0xf4/0x15c [ 209.527444][ T6761] dump_stack+0x1c/0x5c [ 209.528070][ T6761] sysfs_create_dir_ns+0x244/0x264 [ 209.528804][ T6761] kobject_add_internal+0x5ac/0xc3c [ 209.529586][ T6761] kobject_init_and_add+0x124/0x190 [ 209.530303][ T6761] gfs2_sys_fs_add+0x200/0x41c [ 209.530939][ T6761] gfs2_fill_super+0xddc/0x1a18 [ 209.531615][ T6761] get_tree_bdev+0x358/0x544 [ 209.532248][ T6761] gfs2_get_tree+0x54/0x1b4 [ 209.532894][ T6761] vfs_get_tree+0x90/0x274 [ 209.533520][ T6761] do_new_mount+0x228/0x810 [ 209.534159][ T6761] path_mount+0x5bc/0x1008 [ 209.534786][ T6761] __arm64_sys_mount+0x514/0x5f0 [ 209.535507][ T6761] invoke_syscall+0x98/0x2b0 [ 209.536176][ T6761] el0_svc_common+0x138/0x258 [ 209.536888][ T6761] do_el0_svc+0x58/0x13c [ 209.537526][ T6761] el0_svc+0x78/0x1d0 [ 209.538109][ T6761] el0t_64_sync_handler+0xcc/0xe4 [ 209.538846][ T6761] el0t_64_sync+0x1a0/0x1a4 [ 209.544746][ T6761] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.546921][ T6761] gfs2: fsid=](_: error -17 adding sysfs files [ 209.734255][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.735626][ T6764] CPU: 0 PID: 6764 Comm: syz.1.592 Not tainted syzkaller #0 [ 209.736746][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.738179][ T6764] Call trace: [ 209.738621][ T6764] dump_backtrace+0x0/0x458 [ 209.739260][ T6764] show_stack+0x2c/0x3c [ 209.739875][ T6764] __dump_stack+0x30/0x40 [ 209.740504][ T6764] dump_stack_lvl+0xf4/0x15c [ 209.741156][ T6764] dump_stack+0x1c/0x5c [ 209.741726][ T6764] sysfs_create_dir_ns+0x244/0x264 [ 209.742420][ T6764] kobject_add_internal+0x5ac/0xc3c [ 209.743129][ T6764] kobject_init_and_add+0x124/0x190 [ 209.743837][ T6764] gfs2_sys_fs_add+0x200/0x41c [ 209.744536][ T6764] gfs2_fill_super+0xddc/0x1a18 [ 209.745242][ T6764] get_tree_bdev+0x358/0x544 [ 209.745888][ T6764] gfs2_get_tree+0x54/0x1b4 [ 209.746494][ T6764] vfs_get_tree+0x90/0x274 [ 209.747084][ T6764] do_new_mount+0x228/0x810 [ 209.747691][ T6764] path_mount+0x5bc/0x1008 [ 209.748296][ T6764] __arm64_sys_mount+0x514/0x5f0 [ 209.749011][ T6764] invoke_syscall+0x98/0x2b0 [ 209.749679][ T6764] el0_svc_common+0x138/0x258 [ 209.750368][ T6764] do_el0_svc+0x58/0x13c [ 209.751014][ T6764] el0_svc+0x78/0x1d0 [ 209.751597][ T6764] el0t_64_sync_handler+0xcc/0xe4 [ 209.752280][ T6764] el0t_64_sync+0x1a0/0x1a4 [ 209.754331][ T6764] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.756337][ T6764] gfs2: fsid=](_: error -17 adding sysfs files [ 209.896074][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 209.897204][ T6767] CPU: 0 PID: 6767 Comm: syz.1.593 Not tainted syzkaller #0 [ 209.898323][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.899729][ T6767] Call trace: [ 209.900218][ T6767] dump_backtrace+0x0/0x458 [ 209.900900][ T6767] show_stack+0x2c/0x3c [ 209.901551][ T6767] __dump_stack+0x30/0x40 [ 209.902165][ T6767] dump_stack_lvl+0xf4/0x15c [ 209.902813][ T6767] dump_stack+0x1c/0x5c [ 209.903425][ T6767] sysfs_create_dir_ns+0x244/0x264 [ 209.904204][ T6767] kobject_add_internal+0x5ac/0xc3c [ 209.904975][ T6767] kobject_init_and_add+0x124/0x190 [ 209.905715][ T6767] gfs2_sys_fs_add+0x200/0x41c [ 209.906457][ T6767] gfs2_fill_super+0xddc/0x1a18 [ 209.907190][ T6767] get_tree_bdev+0x358/0x544 [ 209.907842][ T6767] gfs2_get_tree+0x54/0x1b4 [ 209.908503][ T6767] vfs_get_tree+0x90/0x274 [ 209.909158][ T6767] do_new_mount+0x228/0x810 [ 209.909893][ T6767] path_mount+0x5bc/0x1008 [ 209.910531][ T6767] __arm64_sys_mount+0x514/0x5f0 [ 209.911229][ T6767] invoke_syscall+0x98/0x2b0 [ 209.911866][ T6767] el0_svc_common+0x138/0x258 [ 209.912518][ T6767] do_el0_svc+0x58/0x13c [ 209.913116][ T6767] el0_svc+0x78/0x1d0 [ 209.913677][ T6767] el0t_64_sync_handler+0xcc/0xe4 [ 209.914402][ T6767] el0t_64_sync+0x1a0/0x1a4 [ 209.916342][ T6767] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 209.918299][ T6767] gfs2: fsid=](_: error -17 adding sysfs files [ 210.169260][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.170341][ T6770] CPU: 0 PID: 6770 Comm: syz.1.594 Not tainted syzkaller #0 [ 210.171372][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.172781][ T6770] Call trace: [ 210.173293][ T6770] dump_backtrace+0x0/0x458 [ 210.173933][ T6770] show_stack+0x2c/0x3c [ 210.174518][ T6770] __dump_stack+0x30/0x40 [ 210.175175][ T6770] dump_stack_lvl+0xf4/0x15c [ 210.175821][ T6770] dump_stack+0x1c/0x5c [ 210.176414][ T6770] sysfs_create_dir_ns+0x244/0x264 [ 210.177153][ T6770] kobject_add_internal+0x5ac/0xc3c [ 210.177877][ T6770] kobject_init_and_add+0x124/0x190 [ 210.178586][ T6770] gfs2_sys_fs_add+0x200/0x41c [ 210.179282][ T6770] gfs2_fill_super+0xddc/0x1a18 [ 210.180014][ T6770] get_tree_bdev+0x358/0x544 [ 210.180714][ T6770] gfs2_get_tree+0x54/0x1b4 [ 210.181362][ T6770] vfs_get_tree+0x90/0x274 [ 210.182046][ T6770] do_new_mount+0x228/0x810 [ 210.182752][ T6770] path_mount+0x5bc/0x1008 [ 210.183483][ T6770] __arm64_sys_mount+0x514/0x5f0 [ 210.184216][ T6770] invoke_syscall+0x98/0x2b0 [ 210.184865][ T6770] el0_svc_common+0x138/0x258 [ 210.185547][ T6770] do_el0_svc+0x58/0x13c [ 210.186216][ T6770] el0_svc+0x78/0x1d0 [ 210.186806][ T6770] el0t_64_sync_handler+0xcc/0xe4 [ 210.187539][ T6770] el0t_64_sync+0x1a0/0x1a4 [ 210.188411][ T6770] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.190360][ T6770] gfs2: fsid=](_: error -17 adding sysfs files [ 210.328677][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.329999][ T6773] CPU: 1 PID: 6773 Comm: syz.1.595 Not tainted syzkaller #0 [ 210.331193][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.332613][ T6773] Call trace: [ 210.333104][ T6773] dump_backtrace+0x0/0x458 [ 210.333841][ T6773] show_stack+0x2c/0x3c [ 210.334382][ T6773] __dump_stack+0x30/0x40 [ 210.335008][ T6773] dump_stack_lvl+0xf4/0x15c [ 210.335636][ T6773] dump_stack+0x1c/0x5c [ 210.336177][ T6773] sysfs_create_dir_ns+0x244/0x264 [ 210.336880][ T6773] kobject_add_internal+0x5ac/0xc3c [ 210.337579][ T6773] kobject_init_and_add+0x124/0x190 [ 210.338297][ T6773] gfs2_sys_fs_add+0x200/0x41c [ 210.338909][ T6773] gfs2_fill_super+0xddc/0x1a18 [ 210.339577][ T6773] get_tree_bdev+0x358/0x544 [ 210.340192][ T6773] gfs2_get_tree+0x54/0x1b4 [ 210.340793][ T6773] vfs_get_tree+0x90/0x274 [ 210.341383][ T6773] do_new_mount+0x228/0x810 [ 210.341967][ T6773] path_mount+0x5bc/0x1008 [ 210.342610][ T6773] __arm64_sys_mount+0x514/0x5f0 [ 210.343278][ T6773] invoke_syscall+0x98/0x2b0 [ 210.343937][ T6773] el0_svc_common+0x138/0x258 [ 210.344591][ T6773] do_el0_svc+0x58/0x13c [ 210.345140][ T6773] el0_svc+0x78/0x1d0 [ 210.345736][ T6773] el0t_64_sync_handler+0xcc/0xe4 [ 210.346462][ T6773] el0t_64_sync+0x1a0/0x1a4 [ 210.349066][ T6773] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.351157][ T6773] gfs2: fsid=](_: error -17 adding sysfs files [ 210.524734][ T6776] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.525981][ T6776] CPU: 0 PID: 6776 Comm: syz.1.596 Not tainted syzkaller #0 [ 210.527151][ T6776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.528642][ T6776] Call trace: [ 210.529182][ T6776] dump_backtrace+0x0/0x458 [ 210.529890][ T6776] show_stack+0x2c/0x3c [ 210.530536][ T6776] __dump_stack+0x30/0x40 [ 210.531256][ T6776] dump_stack_lvl+0xf4/0x15c [ 210.531926][ T6776] dump_stack+0x1c/0x5c [ 210.532512][ T6776] sysfs_create_dir_ns+0x244/0x264 [ 210.533217][ T6776] kobject_add_internal+0x5ac/0xc3c [ 210.533965][ T6776] kobject_init_and_add+0x124/0x190 [ 210.534724][ T6776] gfs2_sys_fs_add+0x200/0x41c [ 210.535436][ T6776] gfs2_fill_super+0xddc/0x1a18 [ 210.536132][ T6776] get_tree_bdev+0x358/0x544 [ 210.536781][ T6776] gfs2_get_tree+0x54/0x1b4 [ 210.537440][ T6776] vfs_get_tree+0x90/0x274 [ 210.538069][ T6776] do_new_mount+0x228/0x810 [ 210.538758][ T6776] path_mount+0x5bc/0x1008 [ 210.539383][ T6776] __arm64_sys_mount+0x514/0x5f0 [ 210.540082][ T6776] invoke_syscall+0x98/0x2b0 [ 210.540744][ T6776] el0_svc_common+0x138/0x258 [ 210.541414][ T6776] do_el0_svc+0x58/0x13c [ 210.542030][ T6776] el0_svc+0x78/0x1d0 [ 210.542629][ T6776] el0t_64_sync_handler+0xcc/0xe4 [ 210.543342][ T6776] el0t_64_sync+0x1a0/0x1a4 [ 210.545422][ T6776] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.547339][ T6776] gfs2: fsid=](_: error -17 adding sysfs files [ 210.710979][ T6779] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.712123][ T6779] CPU: 0 PID: 6779 Comm: syz.1.597 Not tainted syzkaller #0 [ 210.713163][ T6779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.714592][ T6779] Call trace: [ 210.715076][ T6779] dump_backtrace+0x0/0x458 [ 210.715751][ T6779] show_stack+0x2c/0x3c [ 210.716333][ T6779] __dump_stack+0x30/0x40 [ 210.716943][ T6779] dump_stack_lvl+0xf4/0x15c [ 210.717579][ T6779] dump_stack+0x1c/0x5c [ 210.718154][ T6779] sysfs_create_dir_ns+0x244/0x264 [ 210.718899][ T6779] kobject_add_internal+0x5ac/0xc3c [ 210.719656][ T6779] kobject_init_and_add+0x124/0x190 [ 210.720456][ T6779] gfs2_sys_fs_add+0x200/0x41c [ 210.721122][ T6779] gfs2_fill_super+0xddc/0x1a18 [ 210.721805][ T6779] get_tree_bdev+0x358/0x544 [ 210.722460][ T6779] gfs2_get_tree+0x54/0x1b4 [ 210.723120][ T6779] vfs_get_tree+0x90/0x274 [ 210.723763][ T6779] do_new_mount+0x228/0x810 [ 210.724439][ T6779] path_mount+0x5bc/0x1008 [ 210.725132][ T6779] __arm64_sys_mount+0x514/0x5f0 [ 210.725801][ T6779] invoke_syscall+0x98/0x2b0 [ 210.726500][ T6779] el0_svc_common+0x138/0x258 [ 210.727178][ T6779] do_el0_svc+0x58/0x13c [ 210.727960][ T6779] el0_svc+0x78/0x1d0 [ 210.728576][ T6779] el0t_64_sync_handler+0xcc/0xe4 [ 210.729272][ T6779] el0t_64_sync+0x1a0/0x1a4 [ 210.731515][ T6779] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.733401][ T6779] gfs2: fsid=](_: error -17 adding sysfs files [ 210.917497][ T6782] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 210.918670][ T6782] CPU: 1 PID: 6782 Comm: syz.1.598 Not tainted syzkaller #0 [ 210.919616][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.921019][ T6782] Call trace: [ 210.921492][ T6782] dump_backtrace+0x0/0x458 [ 210.922193][ T6782] show_stack+0x2c/0x3c [ 210.922788][ T6782] __dump_stack+0x30/0x40 [ 210.923363][ T6782] dump_stack_lvl+0xf4/0x15c [ 210.923950][ T6782] dump_stack+0x1c/0x5c [ 210.924503][ T6782] sysfs_create_dir_ns+0x244/0x264 [ 210.925256][ T6782] kobject_add_internal+0x5ac/0xc3c [ 210.926089][ T6782] kobject_init_and_add+0x124/0x190 [ 210.926796][ T6782] gfs2_sys_fs_add+0x200/0x41c [ 210.927442][ T6782] gfs2_fill_super+0xddc/0x1a18 [ 210.928116][ T6782] get_tree_bdev+0x358/0x544 [ 210.928712][ T6782] gfs2_get_tree+0x54/0x1b4 [ 210.929365][ T6782] vfs_get_tree+0x90/0x274 [ 210.929944][ T6782] do_new_mount+0x228/0x810 [ 210.930529][ T6782] path_mount+0x5bc/0x1008 [ 210.931179][ T6782] __arm64_sys_mount+0x514/0x5f0 [ 210.931875][ T6782] invoke_syscall+0x98/0x2b0 [ 210.932545][ T6782] el0_svc_common+0x138/0x258 [ 210.933218][ T6782] do_el0_svc+0x58/0x13c [ 210.933804][ T6782] el0_svc+0x78/0x1d0 [ 210.934338][ T6782] el0t_64_sync_handler+0xcc/0xe4 [ 210.935079][ T6782] el0t_64_sync+0x1a0/0x1a4 [ 210.936426][ T6782] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 210.938398][ T6782] gfs2: fsid=](_: error -17 adding sysfs files [ 211.233833][ T6785] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.234987][ T6785] CPU: 1 PID: 6785 Comm: syz.1.599 Not tainted syzkaller #0 [ 211.236068][ T6785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.237511][ T6785] Call trace: [ 211.237994][ T6785] dump_backtrace+0x0/0x458 [ 211.238623][ T6785] show_stack+0x2c/0x3c [ 211.239205][ T6785] __dump_stack+0x30/0x40 [ 211.239878][ T6785] dump_stack_lvl+0xf4/0x15c [ 211.240528][ T6785] dump_stack+0x1c/0x5c [ 211.241210][ T6785] sysfs_create_dir_ns+0x244/0x264 [ 211.241960][ T6785] kobject_add_internal+0x5ac/0xc3c [ 211.242761][ T6785] kobject_init_and_add+0x124/0x190 [ 211.243491][ T6785] gfs2_sys_fs_add+0x200/0x41c [ 211.244165][ T6785] gfs2_fill_super+0xddc/0x1a18 [ 211.244851][ T6785] get_tree_bdev+0x358/0x544 [ 211.245503][ T6785] gfs2_get_tree+0x54/0x1b4 [ 211.246121][ T6785] vfs_get_tree+0x90/0x274 [ 211.246751][ T6785] do_new_mount+0x228/0x810 [ 211.247399][ T6785] path_mount+0x5bc/0x1008 [ 211.248044][ T6785] __arm64_sys_mount+0x514/0x5f0 [ 211.248820][ T6785] invoke_syscall+0x98/0x2b0 [ 211.249501][ T6785] el0_svc_common+0x138/0x258 [ 211.250131][ T6785] do_el0_svc+0x58/0x13c [ 211.250757][ T6785] el0_svc+0x78/0x1d0 [ 211.251331][ T6785] el0t_64_sync_handler+0xcc/0xe4 [ 211.252080][ T6785] el0t_64_sync+0x1a0/0x1a4 [ 211.253434][ T6785] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.255418][ T6785] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:31 executed programs: 586 [ 211.398976][ T6788] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.400264][ T6788] CPU: 0 PID: 6788 Comm: syz.1.600 Not tainted syzkaller #0 [ 211.401341][ T6788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.402768][ T6788] Call trace: [ 211.403251][ T6788] dump_backtrace+0x0/0x458 [ 211.403886][ T6788] show_stack+0x2c/0x3c [ 211.404481][ T6788] __dump_stack+0x30/0x40 [ 211.405067][ T6788] dump_stack_lvl+0xf4/0x15c [ 211.405696][ T6788] dump_stack+0x1c/0x5c [ 211.406287][ T6788] sysfs_create_dir_ns+0x244/0x264 [ 211.407008][ T6788] kobject_add_internal+0x5ac/0xc3c [ 211.407768][ T6788] kobject_init_and_add+0x124/0x190 [ 211.408483][ T6788] gfs2_sys_fs_add+0x200/0x41c [ 211.409174][ T6788] gfs2_fill_super+0xddc/0x1a18 [ 211.409883][ T6788] get_tree_bdev+0x358/0x544 [ 211.410550][ T6788] gfs2_get_tree+0x54/0x1b4 [ 211.411254][ T6788] vfs_get_tree+0x90/0x274 [ 211.411907][ T6788] do_new_mount+0x228/0x810 [ 211.412590][ T6788] path_mount+0x5bc/0x1008 [ 211.413250][ T6788] __arm64_sys_mount+0x514/0x5f0 [ 211.413932][ T6788] invoke_syscall+0x98/0x2b0 [ 211.414535][ T6788] el0_svc_common+0x138/0x258 [ 211.415179][ T6788] do_el0_svc+0x58/0x13c [ 211.415788][ T6788] el0_svc+0x78/0x1d0 [ 211.416353][ T6788] el0t_64_sync_handler+0xcc/0xe4 [ 211.417110][ T6788] el0t_64_sync+0x1a0/0x1a4 [ 211.418064][ T6788] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.420103][ T6788] gfs2: fsid=](_: error -17 adding sysfs files [ 211.555145][ T6791] set_capacity_and_notify: 14 callbacks suppressed [ 211.555156][ T6791] loop1: detected capacity change from 0 to 32768 [ 211.564225][ T6791] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.565400][ T6791] CPU: 1 PID: 6791 Comm: syz.1.601 Not tainted syzkaller #0 [ 211.566371][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.567828][ T6791] Call trace: [ 211.568309][ T6791] dump_backtrace+0x0/0x458 [ 211.568994][ T6791] show_stack+0x2c/0x3c [ 211.569590][ T6791] __dump_stack+0x30/0x40 [ 211.570232][ T6791] dump_stack_lvl+0xf4/0x15c [ 211.570902][ T6791] dump_stack+0x1c/0x5c [ 211.571511][ T6791] sysfs_create_dir_ns+0x244/0x264 [ 211.572276][ T6791] kobject_add_internal+0x5ac/0xc3c [ 211.573137][ T6791] kobject_init_and_add+0x124/0x190 [ 211.573930][ T6791] gfs2_sys_fs_add+0x200/0x41c [ 211.574668][ T6791] gfs2_fill_super+0xddc/0x1a18 [ 211.575409][ T6791] get_tree_bdev+0x358/0x544 [ 211.576084][ T6791] gfs2_get_tree+0x54/0x1b4 [ 211.576736][ T6791] vfs_get_tree+0x90/0x274 [ 211.577373][ T6791] do_new_mount+0x228/0x810 [ 211.578037][ T6791] path_mount+0x5bc/0x1008 [ 211.578695][ T6791] __arm64_sys_mount+0x514/0x5f0 [ 211.579432][ T6791] invoke_syscall+0x98/0x2b0 [ 211.580130][ T6791] el0_svc_common+0x138/0x258 [ 211.580832][ T6791] do_el0_svc+0x58/0x13c [ 211.581487][ T6791] el0_svc+0x78/0x1d0 [ 211.582115][ T6791] el0t_64_sync_handler+0xcc/0xe4 [ 211.582848][ T6791] el0t_64_sync+0x1a0/0x1a4 [ 211.585379][ T6791] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.587384][ T6791] gfs2: fsid=](_: error -17 adding sysfs files [ 211.742691][ T6794] loop1: detected capacity change from 0 to 32768 [ 211.785528][ T6794] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.786584][ T6794] CPU: 1 PID: 6794 Comm: syz.1.602 Not tainted syzkaller #0 [ 211.787654][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.789127][ T6794] Call trace: [ 211.789598][ T6794] dump_backtrace+0x0/0x458 [ 211.790263][ T6794] show_stack+0x2c/0x3c [ 211.790876][ T6794] __dump_stack+0x30/0x40 [ 211.791519][ T6794] dump_stack_lvl+0xf4/0x15c [ 211.792159][ T6794] dump_stack+0x1c/0x5c [ 211.792789][ T6794] sysfs_create_dir_ns+0x244/0x264 [ 211.793512][ T6794] kobject_add_internal+0x5ac/0xc3c [ 211.794242][ T6794] kobject_init_and_add+0x124/0x190 [ 211.794965][ T6794] gfs2_sys_fs_add+0x200/0x41c [ 211.795681][ T6794] gfs2_fill_super+0xddc/0x1a18 [ 211.796338][ T6794] get_tree_bdev+0x358/0x544 [ 211.796978][ T6794] gfs2_get_tree+0x54/0x1b4 [ 211.797650][ T6794] vfs_get_tree+0x90/0x274 [ 211.798278][ T6794] do_new_mount+0x228/0x810 [ 211.799034][ T6794] path_mount+0x5bc/0x1008 [ 211.799704][ T6794] __arm64_sys_mount+0x514/0x5f0 [ 211.800466][ T6794] invoke_syscall+0x98/0x2b0 [ 211.801125][ T6794] el0_svc_common+0x138/0x258 [ 211.801802][ T6794] do_el0_svc+0x58/0x13c [ 211.802423][ T6794] el0_svc+0x78/0x1d0 [ 211.803041][ T6794] el0t_64_sync_handler+0xcc/0xe4 [ 211.803760][ T6794] el0t_64_sync+0x1a0/0x1a4 [ 211.805783][ T6794] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 211.807671][ T6794] gfs2: fsid=](_: error -17 adding sysfs files [ 211.934955][ T6797] loop1: detected capacity change from 0 to 32768 [ 211.984105][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 211.985300][ T6797] CPU: 1 PID: 6797 Comm: syz.1.603 Not tainted syzkaller #0 [ 211.986354][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.987814][ T6797] Call trace: [ 211.988305][ T6797] dump_backtrace+0x0/0x458 [ 211.988969][ T6797] show_stack+0x2c/0x3c [ 211.989581][ T6797] __dump_stack+0x30/0x40 [ 211.990180][ T6797] dump_stack_lvl+0xf4/0x15c [ 211.990882][ T6797] dump_stack+0x1c/0x5c [ 211.991515][ T6797] sysfs_create_dir_ns+0x244/0x264 [ 211.992318][ T6797] kobject_add_internal+0x5ac/0xc3c [ 211.993071][ T6797] kobject_init_and_add+0x124/0x190 [ 211.993819][ T6797] gfs2_sys_fs_add+0x200/0x41c [ 211.994547][ T6797] gfs2_fill_super+0xddc/0x1a18 [ 211.995274][ T6797] get_tree_bdev+0x358/0x544 [ 211.995918][ T6797] gfs2_get_tree+0x54/0x1b4 [ 211.996597][ T6797] vfs_get_tree+0x90/0x274 [ 211.997256][ T6797] do_new_mount+0x228/0x810 [ 211.997938][ T6797] path_mount+0x5bc/0x1008 [ 211.998568][ T6797] __arm64_sys_mount+0x514/0x5f0 [ 211.999270][ T6797] invoke_syscall+0x98/0x2b0 [ 211.999971][ T6797] el0_svc_common+0x138/0x258 [ 212.000663][ T6797] do_el0_svc+0x58/0x13c [ 212.001278][ T6797] el0_svc+0x78/0x1d0 [ 212.001900][ T6797] el0t_64_sync_handler+0xcc/0xe4 [ 212.002658][ T6797] el0t_64_sync+0x1a0/0x1a4 [ 212.004794][ T6797] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.006776][ T6797] gfs2: fsid=](_: error -17 adding sysfs files [ 212.137815][ T6800] loop1: detected capacity change from 0 to 32768 [ 212.190539][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.191732][ T6800] CPU: 1 PID: 6800 Comm: syz.1.604 Not tainted syzkaller #0 [ 212.192881][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.194480][ T6800] Call trace: [ 212.194990][ T6800] dump_backtrace+0x0/0x458 [ 212.195638][ T6800] show_stack+0x2c/0x3c [ 212.196261][ T6800] __dump_stack+0x30/0x40 [ 212.196888][ T6800] dump_stack_lvl+0xf4/0x15c [ 212.197543][ T6800] dump_stack+0x1c/0x5c [ 212.198162][ T6800] sysfs_create_dir_ns+0x244/0x264 [ 212.198902][ T6800] kobject_add_internal+0x5ac/0xc3c [ 212.199662][ T6800] kobject_init_and_add+0x124/0x190 [ 212.200391][ T6800] gfs2_sys_fs_add+0x200/0x41c [ 212.201063][ T6800] gfs2_fill_super+0xddc/0x1a18 [ 212.201758][ T6800] get_tree_bdev+0x358/0x544 [ 212.202459][ T6800] gfs2_get_tree+0x54/0x1b4 [ 212.203086][ T6800] vfs_get_tree+0x90/0x274 [ 212.203704][ T6800] do_new_mount+0x228/0x810 [ 212.204359][ T6800] path_mount+0x5bc/0x1008 [ 212.205004][ T6800] __arm64_sys_mount+0x514/0x5f0 [ 212.205688][ T6800] invoke_syscall+0x98/0x2b0 [ 212.206327][ T6800] el0_svc_common+0x138/0x258 [ 212.206979][ T6800] do_el0_svc+0x58/0x13c [ 212.207569][ T6800] el0_svc+0x78/0x1d0 [ 212.208132][ T6800] el0t_64_sync_handler+0xcc/0xe4 [ 212.208844][ T6800] el0t_64_sync+0x1a0/0x1a4 [ 212.211815][ T6800] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.213772][ T6800] gfs2: fsid=](_: error -17 adding sysfs files [ 212.349793][ T6803] loop1: detected capacity change from 0 to 32768 [ 212.357114][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.358207][ T6803] CPU: 0 PID: 6803 Comm: syz.1.605 Not tainted syzkaller #0 [ 212.359283][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.360810][ T6803] Call trace: [ 212.361297][ T6803] dump_backtrace+0x0/0x458 [ 212.361992][ T6803] show_stack+0x2c/0x3c [ 212.362575][ T6803] __dump_stack+0x30/0x40 [ 212.363452][ T6803] dump_stack_lvl+0xf4/0x15c [ 212.364121][ T6803] dump_stack+0x1c/0x5c [ 212.364771][ T6803] sysfs_create_dir_ns+0x244/0x264 [ 212.365521][ T6803] kobject_add_internal+0x5ac/0xc3c [ 212.366268][ T6803] kobject_init_and_add+0x124/0x190 [ 212.367024][ T6803] gfs2_sys_fs_add+0x200/0x41c [ 212.367689][ T6803] gfs2_fill_super+0xddc/0x1a18 [ 212.368345][ T6803] get_tree_bdev+0x358/0x544 [ 212.369002][ T6803] gfs2_get_tree+0x54/0x1b4 [ 212.369651][ T6803] vfs_get_tree+0x90/0x274 [ 212.370311][ T6803] do_new_mount+0x228/0x810 [ 212.370941][ T6803] path_mount+0x5bc/0x1008 [ 212.371567][ T6803] __arm64_sys_mount+0x514/0x5f0 [ 212.372356][ T6803] invoke_syscall+0x98/0x2b0 [ 212.373015][ T6803] el0_svc_common+0x138/0x258 [ 212.373671][ T6803] do_el0_svc+0x58/0x13c [ 212.374255][ T6803] el0_svc+0x78/0x1d0 [ 212.374795][ T6803] el0t_64_sync_handler+0xcc/0xe4 [ 212.375467][ T6803] el0t_64_sync+0x1a0/0x1a4 [ 212.378868][ T6803] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.380962][ T6803] gfs2: fsid=](_: error -17 adding sysfs files [ 212.515234][ T6806] loop1: detected capacity change from 0 to 32768 [ 212.523115][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.524174][ T6806] CPU: 0 PID: 6806 Comm: syz.1.606 Not tainted syzkaller #0 [ 212.525216][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.526800][ T6806] Call trace: [ 212.527307][ T6806] dump_backtrace+0x0/0x458 [ 212.528049][ T6806] show_stack+0x2c/0x3c [ 212.528696][ T6806] __dump_stack+0x30/0x40 [ 212.529354][ T6806] dump_stack_lvl+0xf4/0x15c [ 212.530052][ T6806] dump_stack+0x1c/0x5c [ 212.530682][ T6806] sysfs_create_dir_ns+0x244/0x264 [ 212.531428][ T6806] kobject_add_internal+0x5ac/0xc3c [ 212.532174][ T6806] kobject_init_and_add+0x124/0x190 [ 212.532920][ T6806] gfs2_sys_fs_add+0x200/0x41c [ 212.533601][ T6806] gfs2_fill_super+0xddc/0x1a18 [ 212.534301][ T6806] get_tree_bdev+0x358/0x544 [ 212.534949][ T6806] gfs2_get_tree+0x54/0x1b4 [ 212.535608][ T6806] vfs_get_tree+0x90/0x274 [ 212.536264][ T6806] do_new_mount+0x228/0x810 [ 212.536900][ T6806] path_mount+0x5bc/0x1008 [ 212.537513][ T6806] __arm64_sys_mount+0x514/0x5f0 [ 212.538256][ T6806] invoke_syscall+0x98/0x2b0 [ 212.538918][ T6806] el0_svc_common+0x138/0x258 [ 212.539616][ T6806] do_el0_svc+0x58/0x13c [ 212.540276][ T6806] el0_svc+0x78/0x1d0 [ 212.540898][ T6806] el0t_64_sync_handler+0xcc/0xe4 [ 212.541621][ T6806] el0t_64_sync+0x1a0/0x1a4 [ 212.542698][ T6806] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.544737][ T6806] gfs2: fsid=](_: error -17 adding sysfs files [ 212.677691][ T6809] loop1: detected capacity change from 0 to 32768 [ 212.714551][ T6809] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.715764][ T6809] CPU: 0 PID: 6809 Comm: syz.1.607 Not tainted syzkaller #0 [ 212.716811][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.718255][ T6809] Call trace: [ 212.718734][ T6809] dump_backtrace+0x0/0x458 [ 212.719400][ T6809] show_stack+0x2c/0x3c [ 212.720023][ T6809] __dump_stack+0x30/0x40 [ 212.720681][ T6809] dump_stack_lvl+0xf4/0x15c [ 212.721395][ T6809] dump_stack+0x1c/0x5c [ 212.722015][ T6809] sysfs_create_dir_ns+0x244/0x264 [ 212.722782][ T6809] kobject_add_internal+0x5ac/0xc3c [ 212.723518][ T6809] kobject_init_and_add+0x124/0x190 [ 212.724241][ T6809] gfs2_sys_fs_add+0x200/0x41c [ 212.724948][ T6809] gfs2_fill_super+0xddc/0x1a18 [ 212.725614][ T6809] get_tree_bdev+0x358/0x544 [ 212.726246][ T6809] gfs2_get_tree+0x54/0x1b4 [ 212.726932][ T6809] vfs_get_tree+0x90/0x274 [ 212.727560][ T6809] do_new_mount+0x228/0x810 [ 212.728190][ T6809] path_mount+0x5bc/0x1008 [ 212.728848][ T6809] __arm64_sys_mount+0x514/0x5f0 [ 212.729573][ T6809] invoke_syscall+0x98/0x2b0 [ 212.730258][ T6809] el0_svc_common+0x138/0x258 [ 212.730855][ T6809] do_el0_svc+0x58/0x13c [ 212.731433][ T6809] el0_svc+0x78/0x1d0 [ 212.731975][ T6809] el0t_64_sync_handler+0xcc/0xe4 [ 212.732710][ T6809] el0t_64_sync+0x1a0/0x1a4 [ 212.733544][ T6809] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.735490][ T6809] gfs2: fsid=](_: error -17 adding sysfs files [ 212.865718][ T6812] loop1: detected capacity change from 0 to 32768 [ 212.915591][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 212.916607][ T6812] CPU: 1 PID: 6812 Comm: syz.1.608 Not tainted syzkaller #0 [ 212.917620][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.919071][ T6812] Call trace: [ 212.919598][ T6812] dump_backtrace+0x0/0x458 [ 212.920356][ T6812] show_stack+0x2c/0x3c [ 212.920963][ T6812] __dump_stack+0x30/0x40 [ 212.921584][ T6812] dump_stack_lvl+0xf4/0x15c [ 212.922289][ T6812] dump_stack+0x1c/0x5c [ 212.922926][ T6812] sysfs_create_dir_ns+0x244/0x264 [ 212.923687][ T6812] kobject_add_internal+0x5ac/0xc3c [ 212.924411][ T6812] kobject_init_and_add+0x124/0x190 [ 212.925884][ T6812] gfs2_sys_fs_add+0x200/0x41c [ 212.926669][ T6812] gfs2_fill_super+0xddc/0x1a18 [ 212.927493][ T6812] get_tree_bdev+0x358/0x544 [ 212.928213][ T6812] gfs2_get_tree+0x54/0x1b4 [ 212.928912][ T6812] vfs_get_tree+0x90/0x274 [ 212.929618][ T6812] do_new_mount+0x228/0x810 [ 212.931018][ T6812] path_mount+0x5bc/0x1008 [ 212.931704][ T6812] __arm64_sys_mount+0x514/0x5f0 [ 212.932424][ T6812] invoke_syscall+0x98/0x2b0 [ 212.933115][ T6812] el0_svc_common+0x138/0x258 [ 212.933878][ T6812] do_el0_svc+0x58/0x13c [ 212.934499][ T6812] el0_svc+0x78/0x1d0 [ 212.935067][ T6812] el0t_64_sync_handler+0xcc/0xe4 [ 212.935795][ T6812] el0t_64_sync+0x1a0/0x1a4 [ 212.936766][ T6812] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 212.938640][ T6812] gfs2: fsid=](_: error -17 adding sysfs files [ 213.074557][ T6815] loop1: detected capacity change from 0 to 32768 [ 213.082921][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.084095][ T6815] CPU: 1 PID: 6815 Comm: syz.1.609 Not tainted syzkaller #0 [ 213.085164][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.086616][ T6815] Call trace: [ 213.087022][ T6815] dump_backtrace+0x0/0x458 [ 213.087729][ T6815] show_stack+0x2c/0x3c [ 213.088339][ T6815] __dump_stack+0x30/0x40 [ 213.088905][ T6815] dump_stack_lvl+0xf4/0x15c [ 213.089608][ T6815] dump_stack+0x1c/0x5c [ 213.090221][ T6815] sysfs_create_dir_ns+0x244/0x264 [ 213.091032][ T6815] kobject_add_internal+0x5ac/0xc3c [ 213.091762][ T6815] kobject_init_and_add+0x124/0x190 [ 213.092462][ T6815] gfs2_sys_fs_add+0x200/0x41c [ 213.094868][ T6815] gfs2_fill_super+0xddc/0x1a18 [ 213.095959][ T6815] get_tree_bdev+0x358/0x544 [ 213.097926][ T6815] gfs2_get_tree+0x54/0x1b4 [ 213.098643][ T6815] vfs_get_tree+0x90/0x274 [ 213.099318][ T6815] do_new_mount+0x228/0x810 [ 213.100016][ T6815] path_mount+0x5bc/0x1008 [ 213.100627][ T6815] __arm64_sys_mount+0x514/0x5f0 [ 213.101356][ T6815] invoke_syscall+0x98/0x2b0 [ 213.102166][ T6815] el0_svc_common+0x138/0x258 [ 213.102888][ T6815] do_el0_svc+0x58/0x13c [ 213.103537][ T6815] el0_svc+0x78/0x1d0 [ 213.104190][ T6815] el0t_64_sync_handler+0xcc/0xe4 [ 213.105079][ T6815] el0t_64_sync+0x1a0/0x1a4 [ 213.107548][ T6815] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.109597][ T6815] gfs2: fsid=](_: error -17 adding sysfs files [ 213.245026][ T6818] loop1: detected capacity change from 0 to 32768 [ 213.253063][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.254277][ T6818] CPU: 0 PID: 6818 Comm: syz.1.610 Not tainted syzkaller #0 [ 213.255497][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.257084][ T6818] Call trace: [ 213.257592][ T6818] dump_backtrace+0x0/0x458 [ 213.258255][ T6818] show_stack+0x2c/0x3c [ 213.258844][ T6818] __dump_stack+0x30/0x40 [ 213.259528][ T6818] dump_stack_lvl+0xf4/0x15c [ 213.260252][ T6818] dump_stack+0x1c/0x5c [ 213.260892][ T6818] sysfs_create_dir_ns+0x244/0x264 [ 213.261670][ T6818] kobject_add_internal+0x5ac/0xc3c [ 213.262458][ T6818] kobject_init_and_add+0x124/0x190 [ 213.263231][ T6818] gfs2_sys_fs_add+0x200/0x41c [ 213.263974][ T6818] gfs2_fill_super+0xddc/0x1a18 [ 213.264725][ T6818] get_tree_bdev+0x358/0x544 [ 213.265453][ T6818] gfs2_get_tree+0x54/0x1b4 [ 213.266161][ T6818] vfs_get_tree+0x90/0x274 [ 213.266789][ T6818] do_new_mount+0x228/0x810 [ 213.267470][ T6818] path_mount+0x5bc/0x1008 [ 213.268133][ T6818] __arm64_sys_mount+0x514/0x5f0 [ 213.268914][ T6818] invoke_syscall+0x98/0x2b0 [ 213.269620][ T6818] el0_svc_common+0x138/0x258 [ 213.270408][ T6818] do_el0_svc+0x58/0x13c [ 213.271028][ T6818] el0_svc+0x78/0x1d0 [ 213.271680][ T6818] el0t_64_sync_handler+0xcc/0xe4 [ 213.272413][ T6818] el0t_64_sync+0x1a0/0x1a4 [ 213.276093][ T6818] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.278099][ T6818] gfs2: fsid=](_: error -17 adding sysfs files [ 213.485601][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.487014][ T6821] CPU: 0 PID: 6821 Comm: syz.1.611 Not tainted syzkaller #0 [ 213.488147][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.489700][ T6821] Call trace: [ 213.490163][ T6821] dump_backtrace+0x0/0x458 [ 213.490816][ T6821] show_stack+0x2c/0x3c [ 213.491440][ T6821] __dump_stack+0x30/0x40 [ 213.492067][ T6821] dump_stack_lvl+0xf4/0x15c [ 213.492719][ T6821] dump_stack+0x1c/0x5c [ 213.493383][ T6821] sysfs_create_dir_ns+0x244/0x264 [ 213.494137][ T6821] kobject_add_internal+0x5ac/0xc3c [ 213.494914][ T6821] kobject_init_and_add+0x124/0x190 [ 213.495843][ T6821] gfs2_sys_fs_add+0x200/0x41c [ 213.496616][ T6821] gfs2_fill_super+0xddc/0x1a18 [ 213.497380][ T6821] get_tree_bdev+0x358/0x544 [ 213.498076][ T6821] gfs2_get_tree+0x54/0x1b4 [ 213.498786][ T6821] vfs_get_tree+0x90/0x274 [ 213.499505][ T6821] do_new_mount+0x228/0x810 [ 213.500101][ T6821] path_mount+0x5bc/0x1008 [ 213.500790][ T6821] __arm64_sys_mount+0x514/0x5f0 [ 213.501540][ T6821] invoke_syscall+0x98/0x2b0 [ 213.502255][ T6821] el0_svc_common+0x138/0x258 [ 213.502946][ T6821] do_el0_svc+0x58/0x13c [ 213.503584][ T6821] el0_svc+0x78/0x1d0 [ 213.504237][ T6821] el0t_64_sync_handler+0xcc/0xe4 [ 213.504993][ T6821] el0t_64_sync+0x1a0/0x1a4 [ 213.507085][ T6821] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.509042][ T6821] gfs2: fsid=](_: error -17 adding sysfs files [ 213.686060][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.687197][ T6824] CPU: 0 PID: 6824 Comm: syz.1.612 Not tainted syzkaller #0 [ 213.688271][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.689798][ T6824] Call trace: [ 213.690313][ T6824] dump_backtrace+0x0/0x458 [ 213.691015][ T6824] show_stack+0x2c/0x3c [ 213.691661][ T6824] __dump_stack+0x30/0x40 [ 213.692233][ T6824] dump_stack_lvl+0xf4/0x15c [ 213.693105][ T6824] dump_stack+0x1c/0x5c [ 213.693714][ T6824] sysfs_create_dir_ns+0x244/0x264 [ 213.694495][ T6824] kobject_add_internal+0x5ac/0xc3c [ 213.695260][ T6824] kobject_init_and_add+0x124/0x190 [ 213.696044][ T6824] gfs2_sys_fs_add+0x200/0x41c [ 213.696765][ T6824] gfs2_fill_super+0xddc/0x1a18 [ 213.697483][ T6824] get_tree_bdev+0x358/0x544 [ 213.698169][ T6824] gfs2_get_tree+0x54/0x1b4 [ 213.698804][ T6824] vfs_get_tree+0x90/0x274 [ 213.699443][ T6824] do_new_mount+0x228/0x810 [ 213.700107][ T6824] path_mount+0x5bc/0x1008 [ 213.700752][ T6824] __arm64_sys_mount+0x514/0x5f0 [ 213.701461][ T6824] invoke_syscall+0x98/0x2b0 [ 213.702154][ T6824] el0_svc_common+0x138/0x258 [ 213.702841][ T6824] do_el0_svc+0x58/0x13c [ 213.703483][ T6824] el0_svc+0x78/0x1d0 [ 213.704067][ T6824] el0t_64_sync_handler+0xcc/0xe4 [ 213.704822][ T6824] el0t_64_sync+0x1a0/0x1a4 [ 213.706900][ T6824] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.708886][ T6824] gfs2: fsid=](_: error -17 adding sysfs files [ 213.855224][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 213.856352][ T6827] CPU: 0 PID: 6827 Comm: syz.1.613 Not tainted syzkaller #0 [ 213.857414][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.858830][ T6827] Call trace: [ 213.859247][ T6827] dump_backtrace+0x0/0x458 [ 213.859974][ T6827] show_stack+0x2c/0x3c [ 213.860590][ T6827] __dump_stack+0x30/0x40 [ 213.861305][ T6827] dump_stack_lvl+0xf4/0x15c [ 213.861973][ T6827] dump_stack+0x1c/0x5c [ 213.862692][ T6827] sysfs_create_dir_ns+0x244/0x264 [ 213.863474][ T6827] kobject_add_internal+0x5ac/0xc3c [ 213.864240][ T6827] kobject_init_and_add+0x124/0x190 [ 213.865054][ T6827] gfs2_sys_fs_add+0x200/0x41c [ 213.865696][ T6827] gfs2_fill_super+0xddc/0x1a18 [ 213.866511][ T6827] get_tree_bdev+0x358/0x544 [ 213.867189][ T6827] gfs2_get_tree+0x54/0x1b4 [ 213.867871][ T6827] vfs_get_tree+0x90/0x274 [ 213.868629][ T6827] do_new_mount+0x228/0x810 [ 213.869330][ T6827] path_mount+0x5bc/0x1008 [ 213.869966][ T6827] __arm64_sys_mount+0x514/0x5f0 [ 213.870666][ T6827] invoke_syscall+0x98/0x2b0 [ 213.871279][ T6827] el0_svc_common+0x138/0x258 [ 213.872050][ T6827] do_el0_svc+0x58/0x13c [ 213.872645][ T6827] el0_svc+0x78/0x1d0 [ 213.873250][ T6827] el0t_64_sync_handler+0xcc/0xe4 [ 213.874024][ T6827] el0t_64_sync+0x1a0/0x1a4 [ 213.877867][ T6827] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 213.879873][ T6827] gfs2: fsid=](_: error -17 adding sysfs files [ 214.095549][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.096738][ T6830] CPU: 0 PID: 6830 Comm: syz.1.614 Not tainted syzkaller #0 [ 214.097733][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.099071][ T6830] Call trace: [ 214.099579][ T6830] dump_backtrace+0x0/0x458 [ 214.100188][ T6830] show_stack+0x2c/0x3c [ 214.100774][ T6830] __dump_stack+0x30/0x40 [ 214.101371][ T6830] dump_stack_lvl+0xf4/0x15c [ 214.102068][ T6830] dump_stack+0x1c/0x5c [ 214.102679][ T6830] sysfs_create_dir_ns+0x244/0x264 [ 214.103418][ T6830] kobject_add_internal+0x5ac/0xc3c [ 214.104169][ T6830] kobject_init_and_add+0x124/0x190 [ 214.104958][ T6830] gfs2_sys_fs_add+0x200/0x41c [ 214.105611][ T6830] gfs2_fill_super+0xddc/0x1a18 [ 214.106436][ T6830] get_tree_bdev+0x358/0x544 [ 214.107092][ T6830] gfs2_get_tree+0x54/0x1b4 [ 214.107783][ T6830] vfs_get_tree+0x90/0x274 [ 214.108403][ T6830] do_new_mount+0x228/0x810 [ 214.109084][ T6830] path_mount+0x5bc/0x1008 [ 214.109771][ T6830] __arm64_sys_mount+0x514/0x5f0 [ 214.110557][ T6830] invoke_syscall+0x98/0x2b0 [ 214.111390][ T6830] el0_svc_common+0x138/0x258 [ 214.112010][ T6830] do_el0_svc+0x58/0x13c [ 214.112715][ T6830] el0_svc+0x78/0x1d0 [ 214.113301][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 214.114033][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 214.116223][ T6830] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.118097][ T6830] gfs2: fsid=](_: error -17 adding sysfs files [ 214.330322][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.331466][ T6833] CPU: 1 PID: 6833 Comm: syz.1.615 Not tainted syzkaller #0 [ 214.332517][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.333925][ T6833] Call trace: [ 214.334339][ T6833] dump_backtrace+0x0/0x458 [ 214.334975][ T6833] show_stack+0x2c/0x3c [ 214.335607][ T6833] __dump_stack+0x30/0x40 [ 214.336249][ T6833] dump_stack_lvl+0xf4/0x15c [ 214.336893][ T6833] dump_stack+0x1c/0x5c [ 214.337502][ T6833] sysfs_create_dir_ns+0x244/0x264 [ 214.338292][ T6833] kobject_add_internal+0x5ac/0xc3c [ 214.339127][ T6833] kobject_init_and_add+0x124/0x190 [ 214.339872][ T6833] gfs2_sys_fs_add+0x200/0x41c [ 214.340552][ T6833] gfs2_fill_super+0xddc/0x1a18 [ 214.341274][ T6833] get_tree_bdev+0x358/0x544 [ 214.341957][ T6833] gfs2_get_tree+0x54/0x1b4 [ 214.342638][ T6833] vfs_get_tree+0x90/0x274 [ 214.343253][ T6833] do_new_mount+0x228/0x810 [ 214.343867][ T6833] path_mount+0x5bc/0x1008 [ 214.344545][ T6833] __arm64_sys_mount+0x514/0x5f0 [ 214.345225][ T6833] invoke_syscall+0x98/0x2b0 [ 214.345905][ T6833] el0_svc_common+0x138/0x258 [ 214.346605][ T6833] do_el0_svc+0x58/0x13c [ 214.347214][ T6833] el0_svc+0x78/0x1d0 [ 214.347787][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 214.348510][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 214.350199][ T6833] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.352110][ T6833] gfs2: fsid=](_: error -17 adding sysfs files [ 214.542198][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.543413][ T6836] CPU: 0 PID: 6836 Comm: syz.1.616 Not tainted syzkaller #0 [ 214.544526][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.546018][ T6836] Call trace: [ 214.546465][ T6836] dump_backtrace+0x0/0x458 [ 214.547173][ T6836] show_stack+0x2c/0x3c [ 214.547837][ T6836] __dump_stack+0x30/0x40 [ 214.548530][ T6836] dump_stack_lvl+0xf4/0x15c [ 214.549219][ T6836] dump_stack+0x1c/0x5c [ 214.549834][ T6836] sysfs_create_dir_ns+0x244/0x264 [ 214.550658][ T6836] kobject_add_internal+0x5ac/0xc3c [ 214.551570][ T6836] kobject_init_and_add+0x124/0x190 [ 214.552413][ T6836] gfs2_sys_fs_add+0x200/0x41c [ 214.553114][ T6836] gfs2_fill_super+0xddc/0x1a18 [ 214.553847][ T6836] get_tree_bdev+0x358/0x544 [ 214.554510][ T6836] gfs2_get_tree+0x54/0x1b4 [ 214.555183][ T6836] vfs_get_tree+0x90/0x274 [ 214.555808][ T6836] do_new_mount+0x228/0x810 [ 214.556438][ T6836] path_mount+0x5bc/0x1008 [ 214.557210][ T6836] __arm64_sys_mount+0x514/0x5f0 [ 214.558031][ T6836] invoke_syscall+0x98/0x2b0 [ 214.558758][ T6836] el0_svc_common+0x138/0x258 [ 214.559469][ T6836] do_el0_svc+0x58/0x13c [ 214.560104][ T6836] el0_svc+0x78/0x1d0 [ 214.560689][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 214.561417][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 214.565068][ T6836] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.566996][ T6836] gfs2: fsid=](_: error -17 adding sysfs files [ 214.774179][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 214.775384][ T6839] CPU: 0 PID: 6839 Comm: syz.1.617 Not tainted syzkaller #0 [ 214.776489][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.778071][ T6839] Call trace: [ 214.778605][ T6839] dump_backtrace+0x0/0x458 [ 214.779352][ T6839] show_stack+0x2c/0x3c [ 214.780036][ T6839] __dump_stack+0x30/0x40 [ 214.780708][ T6839] dump_stack_lvl+0xf4/0x15c [ 214.781415][ T6839] dump_stack+0x1c/0x5c [ 214.782027][ T6839] sysfs_create_dir_ns+0x244/0x264 [ 214.782797][ T6839] kobject_add_internal+0x5ac/0xc3c [ 214.783549][ T6839] kobject_init_and_add+0x124/0x190 [ 214.784302][ T6839] gfs2_sys_fs_add+0x200/0x41c [ 214.785088][ T6839] gfs2_fill_super+0xddc/0x1a18 [ 214.785842][ T6839] get_tree_bdev+0x358/0x544 [ 214.786584][ T6839] gfs2_get_tree+0x54/0x1b4 [ 214.787265][ T6839] vfs_get_tree+0x90/0x274 [ 214.787905][ T6839] do_new_mount+0x228/0x810 [ 214.788608][ T6839] path_mount+0x5bc/0x1008 [ 214.789269][ T6839] __arm64_sys_mount+0x514/0x5f0 [ 214.789986][ T6839] invoke_syscall+0x98/0x2b0 [ 214.790716][ T6839] el0_svc_common+0x138/0x258 [ 214.791429][ T6839] do_el0_svc+0x58/0x13c [ 214.792042][ T6839] el0_svc+0x78/0x1d0 [ 214.792637][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 214.793401][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 214.795490][ T6839] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 214.797497][ T6839] gfs2: fsid=](_: error -17 adding sysfs files [ 214.867346][ T6842] chnl_net:caif_netlink_parms(): no params data found [ 214.884758][ T6842] bridge0: port 1(bridge_slave_0) entered blocking state [ 214.885992][ T6842] bridge0: port 1(bridge_slave_0) entered disabled state [ 214.887446][ T6842] device bridge_slave_0 entered promiscuous mode [ 214.889995][ T6842] bridge0: port 2(bridge_slave_1) entered blocking state [ 214.891273][ T6842] bridge0: port 2(bridge_slave_1) entered disabled state [ 214.892829][ T6842] device bridge_slave_1 entered promiscuous mode [ 214.901515][ T6842] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 214.904134][ T6842] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 214.912090][ T6842] team0: Port device team_slave_0 added [ 214.914131][ T6842] team0: Port device team_slave_1 added [ 214.921019][ T6842] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 214.922111][ T6842] 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. [ 214.926069][ T6842] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 214.928323][ T6842] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 214.929410][ T6842] 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. [ 214.933138][ T6842] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 214.980346][ T6842] device hsr_slave_0 entered promiscuous mode [ 215.039338][ T6842] device hsr_slave_1 entered promiscuous mode [ 215.079304][ T6842] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 215.080522][ T6842] Cannot create hsr debugfs directory [ 215.117757][ T6842] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.276138][ T6842] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.574245][ T6842] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.625571][ T6842] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 215.784977][ T6842] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 215.855658][ T6842] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 215.890718][ T6842] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 215.934733][ T6842] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 215.995454][ T6842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 215.999928][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 216.001541][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 216.004187][ T6842] 8021q: adding VLAN 0 to HW filter on device team0 [ 216.006813][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 216.008308][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 216.016049][ T933] bridge0: port 1(bridge_slave_0) entered blocking state [ 216.017142][ T933] bridge0: port 1(bridge_slave_0) entered forwarding state [ 216.018403][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 216.021442][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 216.022992][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 216.024397][ T933] bridge0: port 2(bridge_slave_1) entered blocking state [ 216.025507][ T933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 216.027989][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 216.032499][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 216.035636][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 216.037746][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 216.040107][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 216.042541][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 216.044100][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 216.047441][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 216.049024][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 216.052617][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 216.054450][ T933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 216.057010][ T6842] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 216.096424][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 216.097663][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 216.102050][ T6842] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 216.108322][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 216.110329][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 216.116296][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 216.117814][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 216.119465][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 216.120835][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 216.123053][ T6842] device veth0_vlan entered promiscuous mode [ 216.126880][ T6842] device veth1_vlan entered promiscuous mode [ 216.137554][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 216.139032][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 216.140982][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 216.142482][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 216.145035][ T6842] device veth0_macvtap entered promiscuous mode [ 216.147397][ T6842] device veth1_macvtap entered promiscuous mode [ 216.152925][ T6842] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.154559][ T6842] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.155966][ T6842] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 216.157436][ T6842] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.160026][ T6842] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 216.161162][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 216.162663][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 216.164134][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 216.165603][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 216.168151][ T6842] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.170464][ T6842] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.171979][ T6842] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 216.173556][ T6842] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 216.175640][ T6842] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 216.176804][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 216.178382][ T328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 216.184767][ T6842] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.186377][ T6842] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.187762][ T6842] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.189292][ T6842] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 216.208106][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.211166][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.215818][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 216.223703][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 216.224937][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 216.226251][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 216.406085][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.407256][ T6860] CPU: 0 PID: 6860 Comm: syz.1.618 Not tainted syzkaller #0 [ 216.408286][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.409698][ T6860] Call trace: [ 216.410254][ T6860] dump_backtrace+0x0/0x458 [ 216.410978][ T6860] show_stack+0x2c/0x3c [ 216.411623][ T6860] __dump_stack+0x30/0x40 [ 216.412308][ T6860] dump_stack_lvl+0xf4/0x15c [ 216.412945][ T6860] dump_stack+0x1c/0x5c [ 216.413603][ T6860] sysfs_create_dir_ns+0x244/0x264 [ 216.414383][ T6860] kobject_add_internal+0x5ac/0xc3c [ 216.415145][ T6860] kobject_init_and_add+0x124/0x190 [ 216.415891][ T6860] gfs2_sys_fs_add+0x200/0x41c [ 216.416613][ T6860] gfs2_fill_super+0xddc/0x1a18 [ 216.417346][ T6860] get_tree_bdev+0x358/0x544 [ 216.418014][ T6860] gfs2_get_tree+0x54/0x1b4 [ 216.418716][ T6860] vfs_get_tree+0x90/0x274 [ 216.419391][ T6860] do_new_mount+0x228/0x810 [ 216.420016][ T6860] path_mount+0x5bc/0x1008 [ 216.420683][ T6860] __arm64_sys_mount+0x514/0x5f0 [ 216.421413][ T6860] invoke_syscall+0x98/0x2b0 [ 216.422011][ T6860] el0_svc_common+0x138/0x258 [ 216.422678][ T6860] do_el0_svc+0x58/0x13c [ 216.423276][ T6860] el0_svc+0x78/0x1d0 [ 216.423868][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 216.424594][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 216.427038][ T6860] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.428932][ T6860] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:36 executed programs: 605 [ 216.566751][ T6863] set_capacity_and_notify: 8 callbacks suppressed [ 216.566762][ T6863] loop1: detected capacity change from 0 to 32768 [ 216.572595][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.573831][ T6863] CPU: 1 PID: 6863 Comm: syz.1.619 Not tainted syzkaller #0 [ 216.574916][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.576268][ T6863] Call trace: [ 216.576798][ T6863] dump_backtrace+0x0/0x458 [ 216.577483][ T6863] show_stack+0x2c/0x3c [ 216.578127][ T6863] __dump_stack+0x30/0x40 [ 216.578753][ T6863] dump_stack_lvl+0xf4/0x15c [ 216.579445][ T6863] dump_stack+0x1c/0x5c [ 216.580081][ T6863] sysfs_create_dir_ns+0x244/0x264 [ 216.580815][ T6863] kobject_add_internal+0x5ac/0xc3c [ 216.581562][ T6863] kobject_init_and_add+0x124/0x190 [ 216.582303][ T6863] gfs2_sys_fs_add+0x200/0x41c [ 216.583058][ T6863] gfs2_fill_super+0xddc/0x1a18 [ 216.583735][ T6863] get_tree_bdev+0x358/0x544 [ 216.584352][ T6863] gfs2_get_tree+0x54/0x1b4 [ 216.584966][ T6863] vfs_get_tree+0x90/0x274 [ 216.585659][ T6863] do_new_mount+0x228/0x810 [ 216.586315][ T6863] path_mount+0x5bc/0x1008 [ 216.586949][ T6863] __arm64_sys_mount+0x514/0x5f0 [ 216.587685][ T6863] invoke_syscall+0x98/0x2b0 [ 216.588330][ T6863] el0_svc_common+0x138/0x258 [ 216.589005][ T6863] do_el0_svc+0x58/0x13c [ 216.589605][ T6863] el0_svc+0x78/0x1d0 [ 216.590193][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 216.590908][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 216.592192][ T6863] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.594055][ T6863] gfs2: fsid=](_: error -17 adding sysfs files [ 216.830349][ T6866] loop1: detected capacity change from 0 to 32768 [ 216.885762][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 216.886807][ T6866] CPU: 1 PID: 6866 Comm: syz.1.620 Not tainted syzkaller #0 [ 216.887849][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.889238][ T6866] Call trace: [ 216.889697][ T6866] dump_backtrace+0x0/0x458 [ 216.890342][ T6866] show_stack+0x2c/0x3c [ 216.890932][ T6866] __dump_stack+0x30/0x40 [ 216.891599][ T6866] dump_stack_lvl+0xf4/0x15c [ 216.892284][ T6866] dump_stack+0x1c/0x5c [ 216.892892][ T6866] sysfs_create_dir_ns+0x244/0x264 [ 216.893692][ T6866] kobject_add_internal+0x5ac/0xc3c [ 216.894519][ T6866] kobject_init_and_add+0x124/0x190 [ 216.895319][ T6866] gfs2_sys_fs_add+0x200/0x41c [ 216.896003][ T6866] gfs2_fill_super+0xddc/0x1a18 [ 216.896696][ T6866] get_tree_bdev+0x358/0x544 [ 216.897345][ T6866] gfs2_get_tree+0x54/0x1b4 [ 216.898000][ T6866] vfs_get_tree+0x90/0x274 [ 216.898625][ T6866] do_new_mount+0x228/0x810 [ 216.899259][ T6866] path_mount+0x5bc/0x1008 [ 216.899876][ T6866] __arm64_sys_mount+0x514/0x5f0 [ 216.900614][ T6866] invoke_syscall+0x98/0x2b0 [ 216.901260][ T6866] el0_svc_common+0x138/0x258 [ 216.901905][ T6866] do_el0_svc+0x58/0x13c [ 216.902469][ T6866] el0_svc+0x78/0x1d0 [ 216.902996][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 216.903731][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 216.905170][ T5003] Bluetooth: hci2: command 0x0409 tx timeout [ 216.907733][ T6866] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 216.911438][ T6866] gfs2: fsid=](_: error -17 adding sysfs files [ 216.975313][ T1713] device hsr_slave_0 left promiscuous mode [ 217.029554][ T1713] device hsr_slave_1 left promiscuous mode [ 217.119243][ T1713] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 217.120621][ T1713] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 217.122409][ T1713] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 217.123536][ T1713] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 217.126608][ T6869] loop1: detected capacity change from 0 to 32768 [ 217.126824][ T1713] device bridge_slave_1 left promiscuous mode [ 217.128856][ T1713] bridge0: port 2(bridge_slave_1) entered disabled state [ 217.169738][ T1713] device bridge_slave_0 left promiscuous mode [ 217.170825][ T1713] bridge0: port 1(bridge_slave_0) entered disabled state [ 217.190265][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.191427][ T6869] CPU: 0 PID: 6869 Comm: syz.1.621 Not tainted syzkaller #0 [ 217.192480][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.193996][ T6869] Call trace: [ 217.194455][ T6869] dump_backtrace+0x0/0x458 [ 217.195120][ T6869] show_stack+0x2c/0x3c [ 217.195761][ T6869] __dump_stack+0x30/0x40 [ 217.196408][ T6869] dump_stack_lvl+0xf4/0x15c [ 217.197235][ T6869] dump_stack+0x1c/0x5c [ 217.197840][ T6869] sysfs_create_dir_ns+0x244/0x264 [ 217.198643][ T6869] kobject_add_internal+0x5ac/0xc3c [ 217.199421][ T6869] kobject_init_and_add+0x124/0x190 [ 217.200313][ T6869] gfs2_sys_fs_add+0x200/0x41c [ 217.201086][ T6869] gfs2_fill_super+0xddc/0x1a18 [ 217.201879][ T6869] get_tree_bdev+0x358/0x544 [ 217.202567][ T6869] gfs2_get_tree+0x54/0x1b4 [ 217.203250][ T6869] vfs_get_tree+0x90/0x274 [ 217.203944][ T6869] do_new_mount+0x228/0x810 [ 217.204651][ T6869] path_mount+0x5bc/0x1008 [ 217.205359][ T6869] __arm64_sys_mount+0x514/0x5f0 [ 217.206150][ T6869] invoke_syscall+0x98/0x2b0 [ 217.206804][ T6869] el0_svc_common+0x138/0x258 [ 217.207565][ T6869] do_el0_svc+0x58/0x13c [ 217.208221][ T6869] el0_svc+0x78/0x1d0 [ 217.208819][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 217.209572][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 217.211553][ T6869] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.213508][ T6869] gfs2: fsid=](_: error -17 adding sysfs files [ 217.269505][ T1713] device veth1_macvtap left promiscuous mode [ 217.270553][ T1713] device veth0_macvtap left promiscuous mode [ 217.271559][ T1713] device veth1_vlan left promiscuous mode [ 217.272495][ T1713] device veth0_vlan left promiscuous mode [ 217.363427][ T6872] loop1: detected capacity change from 0 to 32768 [ 217.368370][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.369586][ T6872] CPU: 0 PID: 6872 Comm: syz.1.622 Not tainted syzkaller #0 [ 217.370639][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.372088][ T6872] Call trace: [ 217.372614][ T6872] dump_backtrace+0x0/0x458 [ 217.373322][ T6872] show_stack+0x2c/0x3c [ 217.373940][ T6872] __dump_stack+0x30/0x40 [ 217.374700][ T6872] dump_stack_lvl+0xf4/0x15c [ 217.375419][ T6872] dump_stack+0x1c/0x5c [ 217.376083][ T6872] sysfs_create_dir_ns+0x244/0x264 [ 217.376897][ T6872] kobject_add_internal+0x5ac/0xc3c [ 217.377717][ T6872] kobject_init_and_add+0x124/0x190 [ 217.378565][ T6872] gfs2_sys_fs_add+0x200/0x41c [ 217.379359][ T6872] gfs2_fill_super+0xddc/0x1a18 [ 217.380168][ T6872] get_tree_bdev+0x358/0x544 [ 217.380861][ T6872] gfs2_get_tree+0x54/0x1b4 [ 217.381572][ T6872] vfs_get_tree+0x90/0x274 [ 217.382251][ T6872] do_new_mount+0x228/0x810 [ 217.382989][ T6872] path_mount+0x5bc/0x1008 [ 217.383663][ T6872] __arm64_sys_mount+0x514/0x5f0 [ 217.384389][ T6872] invoke_syscall+0x98/0x2b0 [ 217.385165][ T6872] el0_svc_common+0x138/0x258 [ 217.385917][ T6872] do_el0_svc+0x58/0x13c [ 217.386516][ T6872] el0_svc+0x78/0x1d0 [ 217.387100][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 217.387871][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 217.393363][ T6872] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.395376][ T6872] gfs2: fsid=](_: error -17 adding sysfs files [ 217.411747][ T1713] team0 (unregistering): Port device team_slave_1 removed [ 217.416626][ T1713] team0 (unregistering): Port device team_slave_0 removed [ 217.444451][ T1713] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 217.492800][ T1713] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 217.528206][ T6875] loop1: detected capacity change from 0 to 32768 [ 217.584069][ T1713] bond0 (unregistering): Released all slaves [ 217.593796][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.594955][ T6875] CPU: 0 PID: 6875 Comm: syz.1.623 Not tainted syzkaller #0 [ 217.596065][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.597615][ T6875] Call trace: [ 217.598063][ T6875] dump_backtrace+0x0/0x458 [ 217.598783][ T6875] show_stack+0x2c/0x3c [ 217.599374][ T6875] __dump_stack+0x30/0x40 [ 217.600038][ T6875] dump_stack_lvl+0xf4/0x15c [ 217.600713][ T6875] dump_stack+0x1c/0x5c [ 217.601320][ T6875] sysfs_create_dir_ns+0x244/0x264 [ 217.602007][ T6875] kobject_add_internal+0x5ac/0xc3c [ 217.602778][ T6875] kobject_init_and_add+0x124/0x190 [ 217.603525][ T6875] gfs2_sys_fs_add+0x200/0x41c [ 217.604256][ T6875] gfs2_fill_super+0xddc/0x1a18 [ 217.605066][ T6875] get_tree_bdev+0x358/0x544 [ 217.605737][ T6875] gfs2_get_tree+0x54/0x1b4 [ 217.606434][ T6875] vfs_get_tree+0x90/0x274 [ 217.607096][ T6875] do_new_mount+0x228/0x810 [ 217.607806][ T6875] path_mount+0x5bc/0x1008 [ 217.608491][ T6875] __arm64_sys_mount+0x514/0x5f0 [ 217.609270][ T6875] invoke_syscall+0x98/0x2b0 [ 217.609965][ T6875] el0_svc_common+0x138/0x258 [ 217.610655][ T6875] do_el0_svc+0x58/0x13c [ 217.611276][ T6875] el0_svc+0x78/0x1d0 [ 217.611839][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 217.612542][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 217.615233][ T6875] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.617385][ T6875] gfs2: fsid=](_: error -17 adding sysfs files [ 217.760060][ T6878] loop1: detected capacity change from 0 to 32768 [ 217.818033][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.819569][ T6878] CPU: 1 PID: 6878 Comm: syz.1.624 Not tainted syzkaller #0 [ 217.820632][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.822096][ T6878] Call trace: [ 217.822554][ T6878] dump_backtrace+0x0/0x458 [ 217.823241][ T6878] show_stack+0x2c/0x3c [ 217.823876][ T6878] __dump_stack+0x30/0x40 [ 217.824561][ T6878] dump_stack_lvl+0xf4/0x15c [ 217.825249][ T6878] dump_stack+0x1c/0x5c [ 217.825942][ T6878] sysfs_create_dir_ns+0x244/0x264 [ 217.826732][ T6878] kobject_add_internal+0x5ac/0xc3c [ 217.827464][ T6878] kobject_init_and_add+0x124/0x190 [ 217.828184][ T6878] gfs2_sys_fs_add+0x200/0x41c [ 217.828913][ T6878] gfs2_fill_super+0xddc/0x1a18 [ 217.829588][ T6878] get_tree_bdev+0x358/0x544 [ 217.830259][ T6878] gfs2_get_tree+0x54/0x1b4 [ 217.830900][ T6878] vfs_get_tree+0x90/0x274 [ 217.831562][ T6878] do_new_mount+0x228/0x810 [ 217.832233][ T6878] path_mount+0x5bc/0x1008 [ 217.832884][ T6878] __arm64_sys_mount+0x514/0x5f0 [ 217.833596][ T6878] invoke_syscall+0x98/0x2b0 [ 217.834241][ T6878] el0_svc_common+0x138/0x258 [ 217.834916][ T6878] do_el0_svc+0x58/0x13c [ 217.835553][ T6878] el0_svc+0x78/0x1d0 [ 217.836146][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 217.836873][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 217.838138][ T6878] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 217.840349][ T6878] gfs2: fsid=](_: error -17 adding sysfs files [ 217.980240][ T6881] loop1: detected capacity change from 0 to 32768 [ 217.987098][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 217.988195][ T6881] CPU: 0 PID: 6881 Comm: syz.1.625 Not tainted syzkaller #0 [ 217.989457][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.990953][ T6881] Call trace: [ 217.991457][ T6881] dump_backtrace+0x0/0x458 [ 217.992132][ T6881] show_stack+0x2c/0x3c [ 217.992724][ T6881] __dump_stack+0x30/0x40 [ 217.993398][ T6881] dump_stack_lvl+0xf4/0x15c [ 217.994073][ T6881] dump_stack+0x1c/0x5c [ 217.994700][ T6881] sysfs_create_dir_ns+0x244/0x264 [ 217.995457][ T6881] kobject_add_internal+0x5ac/0xc3c [ 217.996231][ T6881] kobject_init_and_add+0x124/0x190 [ 217.997115][ T6881] gfs2_sys_fs_add+0x200/0x41c [ 217.997819][ T6881] gfs2_fill_super+0xddc/0x1a18 [ 217.998508][ T6881] get_tree_bdev+0x358/0x544 [ 217.999160][ T6881] gfs2_get_tree+0x54/0x1b4 [ 217.999810][ T6881] vfs_get_tree+0x90/0x274 [ 218.000435][ T6881] do_new_mount+0x228/0x810 [ 218.001092][ T6881] path_mount+0x5bc/0x1008 [ 218.001725][ T6881] __arm64_sys_mount+0x514/0x5f0 [ 218.002443][ T6881] invoke_syscall+0x98/0x2b0 [ 218.003093][ T6881] el0_svc_common+0x138/0x258 [ 218.003739][ T6881] do_el0_svc+0x58/0x13c [ 218.004397][ T6881] el0_svc+0x78/0x1d0 [ 218.004964][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 218.005667][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 218.008142][ T6881] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.010034][ T6881] gfs2: fsid=](_: error -17 adding sysfs files [ 218.139625][ T6884] loop1: detected capacity change from 0 to 32768 [ 218.223648][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.224702][ T6884] CPU: 1 PID: 6884 Comm: syz.1.626 Not tainted syzkaller #0 [ 218.225754][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.227168][ T6884] Call trace: [ 218.227619][ T6884] dump_backtrace+0x0/0x458 [ 218.228251][ T6884] show_stack+0x2c/0x3c [ 218.228847][ T6884] __dump_stack+0x30/0x40 [ 218.229447][ T6884] dump_stack_lvl+0xf4/0x15c [ 218.230101][ T6884] dump_stack+0x1c/0x5c [ 218.230676][ T6884] sysfs_create_dir_ns+0x244/0x264 [ 218.231374][ T6884] kobject_add_internal+0x5ac/0xc3c [ 218.232080][ T6884] kobject_init_and_add+0x124/0x190 [ 218.232867][ T6884] gfs2_sys_fs_add+0x200/0x41c [ 218.233619][ T6884] gfs2_fill_super+0xddc/0x1a18 [ 218.234346][ T6884] get_tree_bdev+0x358/0x544 [ 218.234987][ T6884] gfs2_get_tree+0x54/0x1b4 [ 218.235622][ T6884] vfs_get_tree+0x90/0x274 [ 218.236216][ T6884] do_new_mount+0x228/0x810 [ 218.236808][ T6884] path_mount+0x5bc/0x1008 [ 218.237356][ T6884] __arm64_sys_mount+0x514/0x5f0 [ 218.238029][ T6884] invoke_syscall+0x98/0x2b0 [ 218.238628][ T6884] el0_svc_common+0x138/0x258 [ 218.239255][ T6884] do_el0_svc+0x58/0x13c [ 218.239903][ T6884] el0_svc+0x78/0x1d0 [ 218.240510][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 218.241210][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 218.243871][ T6884] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.245855][ T6884] gfs2: fsid=](_: error -17 adding sysfs files [ 218.411087][ T6887] loop1: detected capacity change from 0 to 32768 [ 218.456116][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.457377][ T6887] CPU: 1 PID: 6887 Comm: syz.1.627 Not tainted syzkaller #0 [ 218.458604][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.460056][ T6887] Call trace: [ 218.460537][ T6887] dump_backtrace+0x0/0x458 [ 218.461149][ T6887] show_stack+0x2c/0x3c [ 218.461702][ T6887] __dump_stack+0x30/0x40 [ 218.462369][ T6887] dump_stack_lvl+0xf4/0x15c [ 218.463070][ T6887] dump_stack+0x1c/0x5c [ 218.463750][ T6887] sysfs_create_dir_ns+0x244/0x264 [ 218.464534][ T6887] kobject_add_internal+0x5ac/0xc3c [ 218.465343][ T6887] kobject_init_and_add+0x124/0x190 [ 218.466091][ T6887] gfs2_sys_fs_add+0x200/0x41c [ 218.466774][ T6887] gfs2_fill_super+0xddc/0x1a18 [ 218.467455][ T6887] get_tree_bdev+0x358/0x544 [ 218.468164][ T6887] gfs2_get_tree+0x54/0x1b4 [ 218.468861][ T6887] vfs_get_tree+0x90/0x274 [ 218.469475][ T6887] do_new_mount+0x228/0x810 [ 218.470121][ T6887] path_mount+0x5bc/0x1008 [ 218.470756][ T6887] __arm64_sys_mount+0x514/0x5f0 [ 218.471487][ T6887] invoke_syscall+0x98/0x2b0 [ 218.472188][ T6887] el0_svc_common+0x138/0x258 [ 218.472865][ T6887] do_el0_svc+0x58/0x13c [ 218.473460][ T6887] el0_svc+0x78/0x1d0 [ 218.474034][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 218.474735][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 218.475582][ T6887] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.477498][ T6887] gfs2: fsid=](_: error -17 adding sysfs files [ 218.622341][ T6890] loop1: detected capacity change from 0 to 32768 [ 218.627663][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.628850][ T6890] CPU: 1 PID: 6890 Comm: syz.1.628 Not tainted syzkaller #0 [ 218.629977][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.631638][ T6890] Call trace: [ 218.632155][ T6890] dump_backtrace+0x0/0x458 [ 218.632860][ T6890] show_stack+0x2c/0x3c [ 218.633462][ T6890] __dump_stack+0x30/0x40 [ 218.634097][ T6890] dump_stack_lvl+0xf4/0x15c [ 218.634868][ T6890] dump_stack+0x1c/0x5c [ 218.635488][ T6890] sysfs_create_dir_ns+0x244/0x264 [ 218.636227][ T6890] kobject_add_internal+0x5ac/0xc3c [ 218.637119][ T6890] kobject_init_and_add+0x124/0x190 [ 218.637929][ T6890] gfs2_sys_fs_add+0x200/0x41c [ 218.638661][ T6890] gfs2_fill_super+0xddc/0x1a18 [ 218.639404][ T6890] get_tree_bdev+0x358/0x544 [ 218.640082][ T6890] gfs2_get_tree+0x54/0x1b4 [ 218.640767][ T6890] vfs_get_tree+0x90/0x274 [ 218.641406][ T6890] do_new_mount+0x228/0x810 [ 218.642094][ T6890] path_mount+0x5bc/0x1008 [ 218.642692][ T6890] __arm64_sys_mount+0x514/0x5f0 [ 218.643383][ T6890] invoke_syscall+0x98/0x2b0 [ 218.644092][ T6890] el0_svc_common+0x138/0x258 [ 218.644724][ T6890] do_el0_svc+0x58/0x13c [ 218.645301][ T6890] el0_svc+0x78/0x1d0 [ 218.645851][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 218.646522][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 218.650833][ T6890] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.652735][ T6890] gfs2: fsid=](_: error -17 adding sysfs files [ 218.856380][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 218.857586][ T6893] CPU: 0 PID: 6893 Comm: syz.1.629 Not tainted syzkaller #0 [ 218.858625][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.860066][ T6893] Call trace: [ 218.860564][ T6893] dump_backtrace+0x0/0x458 [ 218.861251][ T6893] show_stack+0x2c/0x3c [ 218.861909][ T6893] __dump_stack+0x30/0x40 [ 218.862603][ T6893] dump_stack_lvl+0xf4/0x15c [ 218.863292][ T6893] dump_stack+0x1c/0x5c [ 218.863865][ T6893] sysfs_create_dir_ns+0x244/0x264 [ 218.864581][ T6893] kobject_add_internal+0x5ac/0xc3c [ 218.865359][ T6893] kobject_init_and_add+0x124/0x190 [ 218.866080][ T6893] gfs2_sys_fs_add+0x200/0x41c [ 218.866723][ T6893] gfs2_fill_super+0xddc/0x1a18 [ 218.867495][ T6893] get_tree_bdev+0x358/0x544 [ 218.868198][ T6893] gfs2_get_tree+0x54/0x1b4 [ 218.868826][ T6893] vfs_get_tree+0x90/0x274 [ 218.869526][ T6893] do_new_mount+0x228/0x810 [ 218.870206][ T6893] path_mount+0x5bc/0x1008 [ 218.870838][ T6893] __arm64_sys_mount+0x514/0x5f0 [ 218.871551][ T6893] invoke_syscall+0x98/0x2b0 [ 218.872307][ T6893] el0_svc_common+0x138/0x258 [ 218.872983][ T6893] do_el0_svc+0x58/0x13c [ 218.873592][ T6893] el0_svc+0x78/0x1d0 [ 218.874174][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 218.874914][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 218.892105][ T6893] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 218.894058][ T6893] gfs2: fsid=](_: error -17 adding sysfs files [ 218.979303][ T5003] Bluetooth: hci2: command 0x041b tx timeout [ 219.183739][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.184796][ T6896] CPU: 0 PID: 6896 Comm: syz.1.630 Not tainted syzkaller #0 [ 219.185792][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.187232][ T6896] Call trace: [ 219.187686][ T6896] dump_backtrace+0x0/0x458 [ 219.188370][ T6896] show_stack+0x2c/0x3c [ 219.189039][ T6896] __dump_stack+0x30/0x40 [ 219.189667][ T6896] dump_stack_lvl+0xf4/0x15c [ 219.190358][ T6896] dump_stack+0x1c/0x5c [ 219.190933][ T6896] sysfs_create_dir_ns+0x244/0x264 [ 219.191670][ T6896] kobject_add_internal+0x5ac/0xc3c [ 219.192424][ T6896] kobject_init_and_add+0x124/0x190 [ 219.193168][ T6896] gfs2_sys_fs_add+0x200/0x41c [ 219.193855][ T6896] gfs2_fill_super+0xddc/0x1a18 [ 219.194552][ T6896] get_tree_bdev+0x358/0x544 [ 219.195177][ T6896] gfs2_get_tree+0x54/0x1b4 [ 219.195812][ T6896] vfs_get_tree+0x90/0x274 [ 219.196446][ T6896] do_new_mount+0x228/0x810 [ 219.197104][ T6896] path_mount+0x5bc/0x1008 [ 219.197771][ T6896] __arm64_sys_mount+0x514/0x5f0 [ 219.198477][ T6896] invoke_syscall+0x98/0x2b0 [ 219.199220][ T6896] el0_svc_common+0x138/0x258 [ 219.199982][ T6896] do_el0_svc+0x58/0x13c [ 219.200657][ T6896] el0_svc+0x78/0x1d0 [ 219.201302][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 219.202084][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 219.204554][ T6896] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.206475][ T6896] gfs2: fsid=](_: error -17 adding sysfs files [ 219.386032][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.387204][ T6899] CPU: 0 PID: 6899 Comm: syz.1.631 Not tainted syzkaller #0 [ 219.388287][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.389754][ T6899] Call trace: [ 219.390270][ T6899] dump_backtrace+0x0/0x458 [ 219.390984][ T6899] show_stack+0x2c/0x3c [ 219.391592][ T6899] __dump_stack+0x30/0x40 [ 219.392261][ T6899] dump_stack_lvl+0xf4/0x15c [ 219.392975][ T6899] dump_stack+0x1c/0x5c [ 219.393594][ T6899] sysfs_create_dir_ns+0x244/0x264 [ 219.394389][ T6899] kobject_add_internal+0x5ac/0xc3c [ 219.395188][ T6899] kobject_init_and_add+0x124/0x190 [ 219.396023][ T6899] gfs2_sys_fs_add+0x200/0x41c [ 219.396758][ T6899] gfs2_fill_super+0xddc/0x1a18 [ 219.397467][ T6899] get_tree_bdev+0x358/0x544 [ 219.398104][ T6899] gfs2_get_tree+0x54/0x1b4 [ 219.398813][ T6899] vfs_get_tree+0x90/0x274 [ 219.399505][ T6899] do_new_mount+0x228/0x810 [ 219.400188][ T6899] path_mount+0x5bc/0x1008 [ 219.400873][ T6899] __arm64_sys_mount+0x514/0x5f0 [ 219.401588][ T6899] invoke_syscall+0x98/0x2b0 [ 219.402287][ T6899] el0_svc_common+0x138/0x258 [ 219.403021][ T6899] do_el0_svc+0x58/0x13c [ 219.403654][ T6899] el0_svc+0x78/0x1d0 [ 219.404186][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 219.404976][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 219.407340][ T6899] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.409306][ T6899] gfs2: fsid=](_: error -17 adding sysfs files [ 219.546745][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.547941][ T6902] CPU: 0 PID: 6902 Comm: syz.1.632 Not tainted syzkaller #0 [ 219.549005][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.550525][ T6902] Call trace: [ 219.551025][ T6902] dump_backtrace+0x0/0x458 [ 219.551672][ T6902] show_stack+0x2c/0x3c [ 219.552295][ T6902] __dump_stack+0x30/0x40 [ 219.552927][ T6902] dump_stack_lvl+0xf4/0x15c [ 219.553648][ T6902] dump_stack+0x1c/0x5c [ 219.554262][ T6902] sysfs_create_dir_ns+0x244/0x264 [ 219.554998][ T6902] kobject_add_internal+0x5ac/0xc3c [ 219.555755][ T6902] kobject_init_and_add+0x124/0x190 [ 219.556562][ T6902] gfs2_sys_fs_add+0x200/0x41c [ 219.557297][ T6902] gfs2_fill_super+0xddc/0x1a18 [ 219.558021][ T6902] get_tree_bdev+0x358/0x544 [ 219.558638][ T6902] gfs2_get_tree+0x54/0x1b4 [ 219.559303][ T6902] vfs_get_tree+0x90/0x274 [ 219.559951][ T6902] do_new_mount+0x228/0x810 [ 219.560593][ T6902] path_mount+0x5bc/0x1008 [ 219.561213][ T6902] __arm64_sys_mount+0x514/0x5f0 [ 219.561903][ T6902] invoke_syscall+0x98/0x2b0 [ 219.562590][ T6902] el0_svc_common+0x138/0x258 [ 219.563284][ T6902] do_el0_svc+0x58/0x13c [ 219.563895][ T6902] el0_svc+0x78/0x1d0 [ 219.564564][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 219.565281][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 219.567402][ T6902] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.569683][ T6902] gfs2: fsid=](_: error -17 adding sysfs files [ 219.741137][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.742348][ T6905] CPU: 1 PID: 6905 Comm: syz.1.633 Not tainted syzkaller #0 [ 219.743377][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.744819][ T6905] Call trace: [ 219.745261][ T6905] dump_backtrace+0x0/0x458 [ 219.745894][ T6905] show_stack+0x2c/0x3c [ 219.746493][ T6905] __dump_stack+0x30/0x40 [ 219.747079][ T6905] dump_stack_lvl+0xf4/0x15c [ 219.747710][ T6905] dump_stack+0x1c/0x5c [ 219.748305][ T6905] sysfs_create_dir_ns+0x244/0x264 [ 219.749119][ T6905] kobject_add_internal+0x5ac/0xc3c [ 219.749882][ T6905] kobject_init_and_add+0x124/0x190 [ 219.750663][ T6905] gfs2_sys_fs_add+0x200/0x41c [ 219.751399][ T6905] gfs2_fill_super+0xddc/0x1a18 [ 219.752154][ T6905] get_tree_bdev+0x358/0x544 [ 219.752804][ T6905] gfs2_get_tree+0x54/0x1b4 [ 219.753447][ T6905] vfs_get_tree+0x90/0x274 [ 219.754042][ T6905] do_new_mount+0x228/0x810 [ 219.754674][ T6905] path_mount+0x5bc/0x1008 [ 219.755280][ T6905] __arm64_sys_mount+0x514/0x5f0 [ 219.755963][ T6905] invoke_syscall+0x98/0x2b0 [ 219.756594][ T6905] el0_svc_common+0x138/0x258 [ 219.757249][ T6905] do_el0_svc+0x58/0x13c [ 219.757887][ T6905] el0_svc+0x78/0x1d0 [ 219.758428][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 219.759087][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 219.759995][ T6905] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.761966][ T6905] gfs2: fsid=](_: error -17 adding sysfs files [ 219.960512][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 219.961652][ T6908] CPU: 0 PID: 6908 Comm: syz.1.634 Not tainted syzkaller #0 [ 219.962786][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.964343][ T6908] Call trace: [ 219.964815][ T6908] dump_backtrace+0x0/0x458 [ 219.965455][ T6908] show_stack+0x2c/0x3c [ 219.966071][ T6908] __dump_stack+0x30/0x40 [ 219.966673][ T6908] dump_stack_lvl+0xf4/0x15c [ 219.967308][ T6908] dump_stack+0x1c/0x5c [ 219.967854][ T6908] sysfs_create_dir_ns+0x244/0x264 [ 219.968580][ T6908] kobject_add_internal+0x5ac/0xc3c [ 219.969365][ T6908] kobject_init_and_add+0x124/0x190 [ 219.970137][ T6908] gfs2_sys_fs_add+0x200/0x41c [ 219.970864][ T6908] gfs2_fill_super+0xddc/0x1a18 [ 219.971622][ T6908] get_tree_bdev+0x358/0x544 [ 219.972356][ T6908] gfs2_get_tree+0x54/0x1b4 [ 219.973058][ T6908] vfs_get_tree+0x90/0x274 [ 219.973698][ T6908] do_new_mount+0x228/0x810 [ 219.974311][ T6908] path_mount+0x5bc/0x1008 [ 219.974978][ T6908] __arm64_sys_mount+0x514/0x5f0 [ 219.975746][ T6908] invoke_syscall+0x98/0x2b0 [ 219.976389][ T6908] el0_svc_common+0x138/0x258 [ 219.977068][ T6908] do_el0_svc+0x58/0x13c [ 219.977678][ T6908] el0_svc+0x78/0x1d0 [ 219.978268][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 219.979029][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 219.981174][ T6908] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 219.983120][ T6908] gfs2: fsid=](_: error -17 adding sysfs files [ 220.120751][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.121944][ T6911] CPU: 1 PID: 6911 Comm: syz.1.635 Not tainted syzkaller #0 [ 220.123057][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.124527][ T6911] Call trace: [ 220.124993][ T6911] dump_backtrace+0x0/0x458 [ 220.125627][ T6911] show_stack+0x2c/0x3c [ 220.126170][ T6911] __dump_stack+0x30/0x40 [ 220.126752][ T6911] dump_stack_lvl+0xf4/0x15c [ 220.127402][ T6911] dump_stack+0x1c/0x5c [ 220.127981][ T6911] sysfs_create_dir_ns+0x244/0x264 [ 220.128642][ T6911] kobject_add_internal+0x5ac/0xc3c [ 220.129375][ T6911] kobject_init_and_add+0x124/0x190 [ 220.130035][ T6911] gfs2_sys_fs_add+0x200/0x41c [ 220.130698][ T6911] gfs2_fill_super+0xddc/0x1a18 [ 220.131393][ T6911] get_tree_bdev+0x358/0x544 [ 220.132099][ T6911] gfs2_get_tree+0x54/0x1b4 [ 220.132749][ T6911] vfs_get_tree+0x90/0x274 [ 220.133380][ T6911] do_new_mount+0x228/0x810 [ 220.134018][ T6911] path_mount+0x5bc/0x1008 [ 220.134633][ T6911] __arm64_sys_mount+0x514/0x5f0 [ 220.135279][ T6911] invoke_syscall+0x98/0x2b0 [ 220.135875][ T6911] el0_svc_common+0x138/0x258 [ 220.136500][ T6911] do_el0_svc+0x58/0x13c [ 220.137058][ T6911] el0_svc+0x78/0x1d0 [ 220.137617][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 220.138318][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 220.139101][ T6911] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.140858][ T6911] gfs2: fsid=](_: error -17 adding sysfs files [ 220.370450][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.371493][ T6914] CPU: 0 PID: 6914 Comm: syz.1.636 Not tainted syzkaller #0 [ 220.372537][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.373970][ T6914] Call trace: [ 220.374460][ T6914] dump_backtrace+0x0/0x458 [ 220.375122][ T6914] show_stack+0x2c/0x3c [ 220.375687][ T6914] __dump_stack+0x30/0x40 [ 220.376345][ T6914] dump_stack_lvl+0xf4/0x15c [ 220.377089][ T6914] dump_stack+0x1c/0x5c [ 220.377646][ T6914] sysfs_create_dir_ns+0x244/0x264 [ 220.378334][ T6914] kobject_add_internal+0x5ac/0xc3c [ 220.379072][ T6914] kobject_init_and_add+0x124/0x190 [ 220.379822][ T6914] gfs2_sys_fs_add+0x200/0x41c [ 220.380529][ T6914] gfs2_fill_super+0xddc/0x1a18 [ 220.381347][ T6914] get_tree_bdev+0x358/0x544 [ 220.382068][ T6914] gfs2_get_tree+0x54/0x1b4 [ 220.382784][ T6914] vfs_get_tree+0x90/0x274 [ 220.383454][ T6914] do_new_mount+0x228/0x810 [ 220.384132][ T6914] path_mount+0x5bc/0x1008 [ 220.384775][ T6914] __arm64_sys_mount+0x514/0x5f0 [ 220.385479][ T6914] invoke_syscall+0x98/0x2b0 [ 220.386125][ T6914] el0_svc_common+0x138/0x258 [ 220.386788][ T6914] do_el0_svc+0x58/0x13c [ 220.387386][ T6914] el0_svc+0x78/0x1d0 [ 220.387924][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 220.388666][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 220.391224][ T6914] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.393162][ T6914] gfs2: fsid=](_: error -17 adding sysfs files [ 220.536980][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.538183][ T6917] CPU: 1 PID: 6917 Comm: syz.1.637 Not tainted syzkaller #0 [ 220.539291][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.540915][ T6917] Call trace: [ 220.541439][ T6917] dump_backtrace+0x0/0x458 [ 220.542109][ T6917] show_stack+0x2c/0x3c [ 220.542743][ T6917] __dump_stack+0x30/0x40 [ 220.543406][ T6917] dump_stack_lvl+0xf4/0x15c [ 220.544098][ T6917] dump_stack+0x1c/0x5c [ 220.544683][ T6917] sysfs_create_dir_ns+0x244/0x264 [ 220.545401][ T6917] kobject_add_internal+0x5ac/0xc3c [ 220.546156][ T6917] kobject_init_and_add+0x124/0x190 [ 220.546956][ T6917] gfs2_sys_fs_add+0x200/0x41c [ 220.547668][ T6917] gfs2_fill_super+0xddc/0x1a18 [ 220.548416][ T6917] get_tree_bdev+0x358/0x544 [ 220.549063][ T6917] gfs2_get_tree+0x54/0x1b4 [ 220.549696][ T6917] vfs_get_tree+0x90/0x274 [ 220.550307][ T6917] do_new_mount+0x228/0x810 [ 220.550935][ T6917] path_mount+0x5bc/0x1008 [ 220.551590][ T6917] __arm64_sys_mount+0x514/0x5f0 [ 220.552309][ T6917] invoke_syscall+0x98/0x2b0 [ 220.552977][ T6917] el0_svc_common+0x138/0x258 [ 220.553619][ T6917] do_el0_svc+0x58/0x13c [ 220.554183][ T6917] el0_svc+0x78/0x1d0 [ 220.554752][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 220.555479][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 220.556690][ T6917] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.559021][ T6917] gfs2: fsid=](_: error -17 adding sysfs files [ 220.744500][ T6920] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.745823][ T6920] CPU: 0 PID: 6920 Comm: syz.1.638 Not tainted syzkaller #0 [ 220.746959][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.748408][ T6920] Call trace: [ 220.748912][ T6920] dump_backtrace+0x0/0x458 [ 220.749572][ T6920] show_stack+0x2c/0x3c [ 220.750193][ T6920] __dump_stack+0x30/0x40 [ 220.750835][ T6920] dump_stack_lvl+0xf4/0x15c [ 220.751524][ T6920] dump_stack+0x1c/0x5c [ 220.752130][ T6920] sysfs_create_dir_ns+0x244/0x264 [ 220.752876][ T6920] kobject_add_internal+0x5ac/0xc3c [ 220.753610][ T6920] kobject_init_and_add+0x124/0x190 [ 220.754381][ T6920] gfs2_sys_fs_add+0x200/0x41c [ 220.755053][ T6920] gfs2_fill_super+0xddc/0x1a18 [ 220.755805][ T6920] get_tree_bdev+0x358/0x544 [ 220.756482][ T6920] gfs2_get_tree+0x54/0x1b4 [ 220.757153][ T6920] vfs_get_tree+0x90/0x274 [ 220.757814][ T6920] do_new_mount+0x228/0x810 [ 220.758462][ T6920] path_mount+0x5bc/0x1008 [ 220.759079][ T6920] __arm64_sys_mount+0x514/0x5f0 [ 220.759775][ T6920] invoke_syscall+0x98/0x2b0 [ 220.760435][ T6920] el0_svc_common+0x138/0x258 [ 220.761156][ T6920] do_el0_svc+0x58/0x13c [ 220.761793][ T6920] el0_svc+0x78/0x1d0 [ 220.762333][ T6920] el0t_64_sync_handler+0xcc/0xe4 [ 220.763032][ T6920] el0t_64_sync+0x1a0/0x1a4 [ 220.765407][ T6920] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.767291][ T6920] gfs2: fsid=](_: error -17 adding sysfs files [ 220.910157][ T6923] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 220.911240][ T6923] CPU: 1 PID: 6923 Comm: syz.1.639 Not tainted syzkaller #0 [ 220.912281][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.913719][ T6923] Call trace: [ 220.914181][ T6923] dump_backtrace+0x0/0x458 [ 220.914789][ T6923] show_stack+0x2c/0x3c [ 220.915378][ T6923] __dump_stack+0x30/0x40 [ 220.916030][ T6923] dump_stack_lvl+0xf4/0x15c [ 220.916648][ T6923] dump_stack+0x1c/0x5c [ 220.917240][ T6923] sysfs_create_dir_ns+0x244/0x264 [ 220.917983][ T6923] kobject_add_internal+0x5ac/0xc3c [ 220.918683][ T6923] kobject_init_and_add+0x124/0x190 [ 220.919401][ T6923] gfs2_sys_fs_add+0x200/0x41c [ 220.920052][ T6923] gfs2_fill_super+0xddc/0x1a18 [ 220.920724][ T6923] get_tree_bdev+0x358/0x544 [ 220.921361][ T6923] gfs2_get_tree+0x54/0x1b4 [ 220.921971][ T6923] vfs_get_tree+0x90/0x274 [ 220.922600][ T6923] do_new_mount+0x228/0x810 [ 220.923234][ T6923] path_mount+0x5bc/0x1008 [ 220.923885][ T6923] __arm64_sys_mount+0x514/0x5f0 [ 220.924552][ T6923] invoke_syscall+0x98/0x2b0 [ 220.925175][ T6923] el0_svc_common+0x138/0x258 [ 220.925775][ T6923] do_el0_svc+0x58/0x13c [ 220.926346][ T6923] el0_svc+0x78/0x1d0 [ 220.926921][ T6923] el0t_64_sync_handler+0xcc/0xe4 [ 220.927643][ T6923] el0t_64_sync+0x1a0/0x1a4 [ 220.930036][ T6923] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 220.931854][ T6923] gfs2: fsid=](_: error -17 adding sysfs files [ 221.049233][ T5005] Bluetooth: hci2: command 0x040f tx timeout [ 221.143985][ T6926] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.145124][ T6926] CPU: 1 PID: 6926 Comm: syz.1.640 Not tainted syzkaller #0 [ 221.146222][ T6926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.147699][ T6926] Call trace: [ 221.148224][ T6926] dump_backtrace+0x0/0x458 [ 221.148920][ T6926] show_stack+0x2c/0x3c [ 221.149548][ T6926] __dump_stack+0x30/0x40 [ 221.150213][ T6926] dump_stack_lvl+0xf4/0x15c [ 221.150932][ T6926] dump_stack+0x1c/0x5c [ 221.151563][ T6926] sysfs_create_dir_ns+0x244/0x264 [ 221.152322][ T6926] kobject_add_internal+0x5ac/0xc3c [ 221.153031][ T6926] kobject_init_and_add+0x124/0x190 [ 221.153805][ T6926] gfs2_sys_fs_add+0x200/0x41c [ 221.154521][ T6926] gfs2_fill_super+0xddc/0x1a18 [ 221.155244][ T6926] get_tree_bdev+0x358/0x544 [ 221.155951][ T6926] gfs2_get_tree+0x54/0x1b4 [ 221.156637][ T6926] vfs_get_tree+0x90/0x274 [ 221.157342][ T6926] do_new_mount+0x228/0x810 [ 221.158036][ T6926] path_mount+0x5bc/0x1008 [ 221.158720][ T6926] __arm64_sys_mount+0x514/0x5f0 [ 221.159472][ T6926] invoke_syscall+0x98/0x2b0 [ 221.160142][ T6926] el0_svc_common+0x138/0x258 [ 221.160810][ T6926] do_el0_svc+0x58/0x13c [ 221.161430][ T6926] el0_svc+0x78/0x1d0 [ 221.162055][ T6926] el0t_64_sync_handler+0xcc/0xe4 [ 221.162821][ T6926] el0t_64_sync+0x1a0/0x1a4 [ 221.163756][ T6926] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.165750][ T6926] gfs2: fsid=](_: error -17 adding sysfs files [ 221.456117][ T6929] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.457269][ T6929] CPU: 0 PID: 6929 Comm: syz.1.641 Not tainted syzkaller #0 [ 221.458357][ T6929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.459833][ T6929] Call trace: [ 221.460334][ T6929] dump_backtrace+0x0/0x458 [ 221.460965][ T6929] show_stack+0x2c/0x3c [ 221.461608][ T6929] __dump_stack+0x30/0x40 [ 221.462212][ T6929] dump_stack_lvl+0xf4/0x15c [ 221.462839][ T6929] dump_stack+0x1c/0x5c [ 221.463444][ T6929] sysfs_create_dir_ns+0x244/0x264 [ 221.464316][ T6929] kobject_add_internal+0x5ac/0xc3c [ 221.465201][ T6929] kobject_init_and_add+0x124/0x190 [ 221.465988][ T6929] gfs2_sys_fs_add+0x200/0x41c [ 221.466694][ T6929] gfs2_fill_super+0xddc/0x1a18 [ 221.467570][ T6929] get_tree_bdev+0x358/0x544 [ 221.468278][ T6929] gfs2_get_tree+0x54/0x1b4 [ 221.468905][ T6929] vfs_get_tree+0x90/0x274 [ 221.469596][ T6929] do_new_mount+0x228/0x810 [ 221.470266][ T6929] path_mount+0x5bc/0x1008 [ 221.470910][ T6929] __arm64_sys_mount+0x514/0x5f0 [ 221.471648][ T6929] invoke_syscall+0x98/0x2b0 [ 221.472330][ T6929] el0_svc_common+0x138/0x258 [ 221.473010][ T6929] do_el0_svc+0x58/0x13c [ 221.473623][ T6929] el0_svc+0x78/0x1d0 [ 221.474202][ T6929] el0t_64_sync_handler+0xcc/0xe4 [ 221.474904][ T6929] el0t_64_sync+0x1a0/0x1a4 [ 221.477221][ T6929] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.479555][ T6929] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:41 executed programs: 628 [ 221.622765][ T6932] set_capacity_and_notify: 13 callbacks suppressed [ 221.622775][ T6932] loop1: detected capacity change from 0 to 32768 [ 221.660562][ T6932] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.661605][ T6932] CPU: 1 PID: 6932 Comm: syz.1.642 Not tainted syzkaller #0 [ 221.662615][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.663956][ T6932] Call trace: [ 221.664391][ T6932] dump_backtrace+0x0/0x458 [ 221.665020][ T6932] show_stack+0x2c/0x3c [ 221.665615][ T6932] __dump_stack+0x30/0x40 [ 221.666193][ T6932] dump_stack_lvl+0xf4/0x15c [ 221.666889][ T6932] dump_stack+0x1c/0x5c [ 221.667466][ T6932] sysfs_create_dir_ns+0x244/0x264 [ 221.668192][ T6932] kobject_add_internal+0x5ac/0xc3c [ 221.668958][ T6932] kobject_init_and_add+0x124/0x190 [ 221.669719][ T6932] gfs2_sys_fs_add+0x200/0x41c [ 221.670401][ T6932] gfs2_fill_super+0xddc/0x1a18 [ 221.671116][ T6932] get_tree_bdev+0x358/0x544 [ 221.671789][ T6932] gfs2_get_tree+0x54/0x1b4 [ 221.672459][ T6932] vfs_get_tree+0x90/0x274 [ 221.673081][ T6932] do_new_mount+0x228/0x810 [ 221.673711][ T6932] path_mount+0x5bc/0x1008 [ 221.674371][ T6932] __arm64_sys_mount+0x514/0x5f0 [ 221.675183][ T6932] invoke_syscall+0x98/0x2b0 [ 221.675837][ T6932] el0_svc_common+0x138/0x258 [ 221.676515][ T6932] do_el0_svc+0x58/0x13c [ 221.677158][ T6932] el0_svc+0x78/0x1d0 [ 221.677765][ T6932] el0t_64_sync_handler+0xcc/0xe4 [ 221.678514][ T6932] el0t_64_sync+0x1a0/0x1a4 [ 221.679486][ T6932] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.681453][ T6932] gfs2: fsid=](_: error -17 adding sysfs files [ 221.862033][ T6935] loop1: detected capacity change from 0 to 32768 [ 221.930632][ T6935] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 221.931747][ T6935] CPU: 1 PID: 6935 Comm: syz.1.643 Not tainted syzkaller #0 [ 221.932713][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.934132][ T6935] Call trace: [ 221.934594][ T6935] dump_backtrace+0x0/0x458 [ 221.935241][ T6935] show_stack+0x2c/0x3c [ 221.935848][ T6935] __dump_stack+0x30/0x40 [ 221.936464][ T6935] dump_stack_lvl+0xf4/0x15c [ 221.937137][ T6935] dump_stack+0x1c/0x5c [ 221.937743][ T6935] sysfs_create_dir_ns+0x244/0x264 [ 221.938523][ T6935] kobject_add_internal+0x5ac/0xc3c [ 221.939217][ T6935] kobject_init_and_add+0x124/0x190 [ 221.939935][ T6935] gfs2_sys_fs_add+0x200/0x41c [ 221.940590][ T6935] gfs2_fill_super+0xddc/0x1a18 [ 221.941311][ T6935] get_tree_bdev+0x358/0x544 [ 221.941960][ T6935] gfs2_get_tree+0x54/0x1b4 [ 221.942628][ T6935] vfs_get_tree+0x90/0x274 [ 221.943267][ T6935] do_new_mount+0x228/0x810 [ 221.943973][ T6935] path_mount+0x5bc/0x1008 [ 221.944582][ T6935] __arm64_sys_mount+0x514/0x5f0 [ 221.945322][ T6935] invoke_syscall+0x98/0x2b0 [ 221.945984][ T6935] el0_svc_common+0x138/0x258 [ 221.946647][ T6935] do_el0_svc+0x58/0x13c [ 221.947234][ T6935] el0_svc+0x78/0x1d0 [ 221.947825][ T6935] el0t_64_sync_handler+0xcc/0xe4 [ 221.948544][ T6935] el0t_64_sync+0x1a0/0x1a4 [ 221.951247][ T6935] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 221.953154][ T6935] gfs2: fsid=](_: error -17 adding sysfs files [ 222.087453][ T6938] loop1: detected capacity change from 0 to 32768 [ 222.095260][ T6938] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.096480][ T6938] CPU: 0 PID: 6938 Comm: syz.1.644 Not tainted syzkaller #0 [ 222.097647][ T6938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.099314][ T6938] Call trace: [ 222.099810][ T6938] dump_backtrace+0x0/0x458 [ 222.100547][ T6938] show_stack+0x2c/0x3c [ 222.101223][ T6938] __dump_stack+0x30/0x40 [ 222.101986][ T6938] dump_stack_lvl+0xf4/0x15c [ 222.102702][ T6938] dump_stack+0x1c/0x5c [ 222.103352][ T6938] sysfs_create_dir_ns+0x244/0x264 [ 222.104160][ T6938] kobject_add_internal+0x5ac/0xc3c [ 222.104947][ T6938] kobject_init_and_add+0x124/0x190 [ 222.105726][ T6938] gfs2_sys_fs_add+0x200/0x41c [ 222.106448][ T6938] gfs2_fill_super+0xddc/0x1a18 [ 222.107146][ T6938] get_tree_bdev+0x358/0x544 [ 222.107839][ T6938] gfs2_get_tree+0x54/0x1b4 [ 222.108480][ T6938] vfs_get_tree+0x90/0x274 [ 222.109204][ T6938] do_new_mount+0x228/0x810 [ 222.109866][ T6938] path_mount+0x5bc/0x1008 [ 222.110538][ T6938] __arm64_sys_mount+0x514/0x5f0 [ 222.111264][ T6938] invoke_syscall+0x98/0x2b0 [ 222.111945][ T6938] el0_svc_common+0x138/0x258 [ 222.112631][ T6938] do_el0_svc+0x58/0x13c [ 222.113297][ T6938] el0_svc+0x78/0x1d0 [ 222.113845][ T6938] el0t_64_sync_handler+0xcc/0xe4 [ 222.114603][ T6938] el0t_64_sync+0x1a0/0x1a4 [ 222.115470][ T6938] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.117630][ T6938] gfs2: fsid=](_: error -17 adding sysfs files [ 222.252914][ T6941] loop1: detected capacity change from 0 to 32768 [ 222.290401][ T6941] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.295242][ T6941] CPU: 0 PID: 6941 Comm: syz.1.645 Not tainted syzkaller #0 [ 222.296323][ T6941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.297808][ T6941] Call trace: [ 222.298258][ T6941] dump_backtrace+0x0/0x458 [ 222.298992][ T6941] show_stack+0x2c/0x3c [ 222.299660][ T6941] __dump_stack+0x30/0x40 [ 222.300292][ T6941] dump_stack_lvl+0xf4/0x15c [ 222.300933][ T6941] dump_stack+0x1c/0x5c [ 222.301533][ T6941] sysfs_create_dir_ns+0x244/0x264 [ 222.302284][ T6941] kobject_add_internal+0x5ac/0xc3c [ 222.303157][ T6941] kobject_init_and_add+0x124/0x190 [ 222.303918][ T6941] gfs2_sys_fs_add+0x200/0x41c [ 222.304630][ T6941] gfs2_fill_super+0xddc/0x1a18 [ 222.305401][ T6941] get_tree_bdev+0x358/0x544 [ 222.306065][ T6941] gfs2_get_tree+0x54/0x1b4 [ 222.306674][ T6941] vfs_get_tree+0x90/0x274 [ 222.307346][ T6941] do_new_mount+0x228/0x810 [ 222.308028][ T6941] path_mount+0x5bc/0x1008 [ 222.308680][ T6941] __arm64_sys_mount+0x514/0x5f0 [ 222.309438][ T6941] invoke_syscall+0x98/0x2b0 [ 222.310124][ T6941] el0_svc_common+0x138/0x258 [ 222.310808][ T6941] do_el0_svc+0x58/0x13c [ 222.311412][ T6941] el0_svc+0x78/0x1d0 [ 222.312019][ T6941] el0t_64_sync_handler+0xcc/0xe4 [ 222.312716][ T6941] el0t_64_sync+0x1a0/0x1a4 [ 222.314866][ T6941] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.316847][ T6941] gfs2: fsid=](_: error -17 adding sysfs files [ 222.454259][ T6944] loop1: detected capacity change from 0 to 32768 [ 222.490676][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.491735][ T6944] CPU: 1 PID: 6944 Comm: syz.1.646 Not tainted syzkaller #0 [ 222.492806][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.494294][ T6944] Call trace: [ 222.494808][ T6944] dump_backtrace+0x0/0x458 [ 222.495473][ T6944] show_stack+0x2c/0x3c [ 222.496047][ T6944] __dump_stack+0x30/0x40 [ 222.496648][ T6944] dump_stack_lvl+0xf4/0x15c [ 222.497364][ T6944] dump_stack+0x1c/0x5c [ 222.497964][ T6944] sysfs_create_dir_ns+0x244/0x264 [ 222.498756][ T6944] kobject_add_internal+0x5ac/0xc3c [ 222.499575][ T6944] kobject_init_and_add+0x124/0x190 [ 222.500317][ T6944] gfs2_sys_fs_add+0x200/0x41c [ 222.501006][ T6944] gfs2_fill_super+0xddc/0x1a18 [ 222.501646][ T6944] get_tree_bdev+0x358/0x544 [ 222.502301][ T6944] gfs2_get_tree+0x54/0x1b4 [ 222.502915][ T6944] vfs_get_tree+0x90/0x274 [ 222.503654][ T6944] do_new_mount+0x228/0x810 [ 222.504310][ T6944] path_mount+0x5bc/0x1008 [ 222.504923][ T6944] __arm64_sys_mount+0x514/0x5f0 [ 222.505605][ T6944] invoke_syscall+0x98/0x2b0 [ 222.506301][ T6944] el0_svc_common+0x138/0x258 [ 222.506994][ T6944] do_el0_svc+0x58/0x13c [ 222.507638][ T6944] el0_svc+0x78/0x1d0 [ 222.508171][ T6944] el0t_64_sync_handler+0xcc/0xe4 [ 222.508848][ T6944] el0t_64_sync+0x1a0/0x1a4 [ 222.510308][ T6944] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.512240][ T6944] gfs2: fsid=](_: error -17 adding sysfs files [ 222.709902][ T6947] loop1: detected capacity change from 0 to 32768 [ 222.742400][ T6947] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.743635][ T6947] CPU: 1 PID: 6947 Comm: syz.1.647 Not tainted syzkaller #0 [ 222.744892][ T6947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.746349][ T6947] Call trace: [ 222.746896][ T6947] dump_backtrace+0x0/0x458 [ 222.747577][ T6947] show_stack+0x2c/0x3c [ 222.748178][ T6947] __dump_stack+0x30/0x40 [ 222.748778][ T6947] dump_stack_lvl+0xf4/0x15c [ 222.749409][ T6947] dump_stack+0x1c/0x5c [ 222.750013][ T6947] sysfs_create_dir_ns+0x244/0x264 [ 222.750747][ T6947] kobject_add_internal+0x5ac/0xc3c [ 222.751499][ T6947] kobject_init_and_add+0x124/0x190 [ 222.752331][ T6947] gfs2_sys_fs_add+0x200/0x41c [ 222.752980][ T6947] gfs2_fill_super+0xddc/0x1a18 [ 222.753647][ T6947] get_tree_bdev+0x358/0x544 [ 222.754311][ T6947] gfs2_get_tree+0x54/0x1b4 [ 222.754996][ T6947] vfs_get_tree+0x90/0x274 [ 222.755617][ T6947] do_new_mount+0x228/0x810 [ 222.756280][ T6947] path_mount+0x5bc/0x1008 [ 222.756939][ T6947] __arm64_sys_mount+0x514/0x5f0 [ 222.757578][ T6947] invoke_syscall+0x98/0x2b0 [ 222.758217][ T6947] el0_svc_common+0x138/0x258 [ 222.758875][ T6947] do_el0_svc+0x58/0x13c [ 222.759477][ T6947] el0_svc+0x78/0x1d0 [ 222.760073][ T6947] el0t_64_sync_handler+0xcc/0xe4 [ 222.760810][ T6947] el0t_64_sync+0x1a0/0x1a4 [ 222.765234][ T6947] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.767436][ T6947] gfs2: fsid=](_: error -17 adding sysfs files [ 222.901927][ T6950] loop1: detected capacity change from 0 to 32768 [ 222.909680][ T6950] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 222.910765][ T6950] CPU: 0 PID: 6950 Comm: syz.1.648 Not tainted syzkaller #0 [ 222.911804][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.913161][ T6950] Call trace: [ 222.913608][ T6950] dump_backtrace+0x0/0x458 [ 222.914271][ T6950] show_stack+0x2c/0x3c [ 222.914868][ T6950] __dump_stack+0x30/0x40 [ 222.915473][ T6950] dump_stack_lvl+0xf4/0x15c [ 222.916065][ T6950] dump_stack+0x1c/0x5c [ 222.916612][ T6950] sysfs_create_dir_ns+0x244/0x264 [ 222.917271][ T6950] kobject_add_internal+0x5ac/0xc3c [ 222.917958][ T6950] kobject_init_and_add+0x124/0x190 [ 222.918700][ T6950] gfs2_sys_fs_add+0x200/0x41c [ 222.919394][ T6950] gfs2_fill_super+0xddc/0x1a18 [ 222.920117][ T6950] get_tree_bdev+0x358/0x544 [ 222.920784][ T6950] gfs2_get_tree+0x54/0x1b4 [ 222.921447][ T6950] vfs_get_tree+0x90/0x274 [ 222.922118][ T6950] do_new_mount+0x228/0x810 [ 222.922768][ T6950] path_mount+0x5bc/0x1008 [ 222.923447][ T6950] __arm64_sys_mount+0x514/0x5f0 [ 222.924139][ T6950] invoke_syscall+0x98/0x2b0 [ 222.924790][ T6950] el0_svc_common+0x138/0x258 [ 222.925475][ T6950] do_el0_svc+0x58/0x13c [ 222.926080][ T6950] el0_svc+0x78/0x1d0 [ 222.926680][ T6950] el0t_64_sync_handler+0xcc/0xe4 [ 222.927434][ T6950] el0t_64_sync+0x1a0/0x1a4 [ 222.929615][ T6950] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 222.931426][ T6950] gfs2: fsid=](_: error -17 adding sysfs files [ 223.058049][ T6953] loop1: detected capacity change from 0 to 32768 [ 223.065495][ T6953] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.066602][ T6953] CPU: 0 PID: 6953 Comm: syz.1.649 Not tainted syzkaller #0 [ 223.067665][ T6953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.069035][ T6953] Call trace: [ 223.069517][ T6953] dump_backtrace+0x0/0x458 [ 223.070221][ T6953] show_stack+0x2c/0x3c [ 223.070845][ T6953] __dump_stack+0x30/0x40 [ 223.071509][ T6953] dump_stack_lvl+0xf4/0x15c [ 223.072191][ T6953] dump_stack+0x1c/0x5c [ 223.072824][ T6953] sysfs_create_dir_ns+0x244/0x264 [ 223.073639][ T6953] kobject_add_internal+0x5ac/0xc3c [ 223.074383][ T6953] kobject_init_and_add+0x124/0x190 [ 223.075089][ T6953] gfs2_sys_fs_add+0x200/0x41c [ 223.075800][ T6953] gfs2_fill_super+0xddc/0x1a18 [ 223.076524][ T6953] get_tree_bdev+0x358/0x544 [ 223.077208][ T6953] gfs2_get_tree+0x54/0x1b4 [ 223.077842][ T6953] vfs_get_tree+0x90/0x274 [ 223.078483][ T6953] do_new_mount+0x228/0x810 [ 223.079188][ T6953] path_mount+0x5bc/0x1008 [ 223.079848][ T6953] __arm64_sys_mount+0x514/0x5f0 [ 223.080597][ T6953] invoke_syscall+0x98/0x2b0 [ 223.081257][ T6953] el0_svc_common+0x138/0x258 [ 223.081956][ T6953] do_el0_svc+0x58/0x13c [ 223.082582][ T6953] el0_svc+0x78/0x1d0 [ 223.083214][ T6953] el0t_64_sync_handler+0xcc/0xe4 [ 223.083952][ T6953] el0t_64_sync+0x1a0/0x1a4 [ 223.085935][ T6953] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.087988][ T6953] gfs2: fsid=](_: error -17 adding sysfs files [ 223.129224][ T5003] Bluetooth: hci2: command 0x0419 tx timeout [ 223.225802][ T6956] loop1: detected capacity change from 0 to 32768 [ 223.230808][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.232007][ T6956] CPU: 0 PID: 6956 Comm: syz.1.650 Not tainted syzkaller #0 [ 223.233040][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.234509][ T6956] Call trace: [ 223.234948][ T6956] dump_backtrace+0x0/0x458 [ 223.235568][ T6956] show_stack+0x2c/0x3c [ 223.236211][ T6956] __dump_stack+0x30/0x40 [ 223.236837][ T6956] dump_stack_lvl+0xf4/0x15c [ 223.237472][ T6956] dump_stack+0x1c/0x5c [ 223.238061][ T6956] sysfs_create_dir_ns+0x244/0x264 [ 223.238790][ T6956] kobject_add_internal+0x5ac/0xc3c [ 223.239527][ T6956] kobject_init_and_add+0x124/0x190 [ 223.240313][ T6956] gfs2_sys_fs_add+0x200/0x41c [ 223.241049][ T6956] gfs2_fill_super+0xddc/0x1a18 [ 223.241725][ T6956] get_tree_bdev+0x358/0x544 [ 223.242462][ T6956] gfs2_get_tree+0x54/0x1b4 [ 223.243096][ T6956] vfs_get_tree+0x90/0x274 [ 223.243741][ T6956] do_new_mount+0x228/0x810 [ 223.244396][ T6956] path_mount+0x5bc/0x1008 [ 223.245017][ T6956] __arm64_sys_mount+0x514/0x5f0 [ 223.245699][ T6956] invoke_syscall+0x98/0x2b0 [ 223.246398][ T6956] el0_svc_common+0x138/0x258 [ 223.247073][ T6956] do_el0_svc+0x58/0x13c [ 223.247682][ T6956] el0_svc+0x78/0x1d0 [ 223.248252][ T6956] el0t_64_sync_handler+0xcc/0xe4 [ 223.249018][ T6956] el0t_64_sync+0x1a0/0x1a4 [ 223.249989][ T6956] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.251944][ T6956] gfs2: fsid=](_: error -17 adding sysfs files [ 223.435832][ T6959] loop1: detected capacity change from 0 to 32768 [ 223.469265][ T6959] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.470343][ T6959] CPU: 0 PID: 6959 Comm: syz.1.651 Not tainted syzkaller #0 [ 223.471451][ T6959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.472921][ T6959] Call trace: [ 223.473375][ T6959] dump_backtrace+0x0/0x458 [ 223.474034][ T6959] show_stack+0x2c/0x3c [ 223.474636][ T6959] __dump_stack+0x30/0x40 [ 223.475252][ T6959] dump_stack_lvl+0xf4/0x15c [ 223.475898][ T6959] dump_stack+0x1c/0x5c [ 223.476484][ T6959] sysfs_create_dir_ns+0x244/0x264 [ 223.477181][ T6959] kobject_add_internal+0x5ac/0xc3c [ 223.477898][ T6959] kobject_init_and_add+0x124/0x190 [ 223.478616][ T6959] gfs2_sys_fs_add+0x200/0x41c [ 223.479285][ T6959] gfs2_fill_super+0xddc/0x1a18 [ 223.480006][ T6959] get_tree_bdev+0x358/0x544 [ 223.480658][ T6959] gfs2_get_tree+0x54/0x1b4 [ 223.481354][ T6959] vfs_get_tree+0x90/0x274 [ 223.481986][ T6959] do_new_mount+0x228/0x810 [ 223.482638][ T6959] path_mount+0x5bc/0x1008 [ 223.483299][ T6959] __arm64_sys_mount+0x514/0x5f0 [ 223.484033][ T6959] invoke_syscall+0x98/0x2b0 [ 223.484681][ T6959] el0_svc_common+0x138/0x258 [ 223.485352][ T6959] do_el0_svc+0x58/0x13c [ 223.485958][ T6959] el0_svc+0x78/0x1d0 [ 223.486544][ T6959] el0t_64_sync_handler+0xcc/0xe4 [ 223.487292][ T6959] el0t_64_sync+0x1a0/0x1a4 [ 223.488126][ T6959] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.490192][ T6959] gfs2: fsid=](_: error -17 adding sysfs files [ 223.629295][ T6962] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.630408][ T6962] CPU: 1 PID: 6962 Comm: syz.1.652 Not tainted syzkaller #0 [ 223.631405][ T6962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.632825][ T6962] Call trace: [ 223.633331][ T6962] dump_backtrace+0x0/0x458 [ 223.634029][ T6962] show_stack+0x2c/0x3c [ 223.634614][ T6962] __dump_stack+0x30/0x40 [ 223.635251][ T6962] dump_stack_lvl+0xf4/0x15c [ 223.635908][ T6962] dump_stack+0x1c/0x5c [ 223.636488][ T6962] sysfs_create_dir_ns+0x244/0x264 [ 223.637156][ T6962] kobject_add_internal+0x5ac/0xc3c [ 223.637894][ T6962] kobject_init_and_add+0x124/0x190 [ 223.638600][ T6962] gfs2_sys_fs_add+0x200/0x41c [ 223.639299][ T6962] gfs2_fill_super+0xddc/0x1a18 [ 223.640045][ T6962] get_tree_bdev+0x358/0x544 [ 223.640722][ T6962] gfs2_get_tree+0x54/0x1b4 [ 223.641392][ T6962] vfs_get_tree+0x90/0x274 [ 223.642027][ T6962] do_new_mount+0x228/0x810 [ 223.642716][ T6962] path_mount+0x5bc/0x1008 [ 223.643348][ T6962] __arm64_sys_mount+0x514/0x5f0 [ 223.644084][ T6962] invoke_syscall+0x98/0x2b0 [ 223.644760][ T6962] el0_svc_common+0x138/0x258 [ 223.645536][ T6962] do_el0_svc+0x58/0x13c [ 223.646181][ T6962] el0_svc+0x78/0x1d0 [ 223.646769][ T6962] el0t_64_sync_handler+0xcc/0xe4 [ 223.647561][ T6962] el0t_64_sync+0x1a0/0x1a4 [ 223.651202][ T6962] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.653160][ T6962] gfs2: fsid=](_: error -17 adding sysfs files [ 223.791589][ T6965] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 223.792666][ T6965] CPU: 0 PID: 6965 Comm: syz.1.653 Not tainted syzkaller #0 [ 223.793715][ T6965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.795179][ T6965] Call trace: [ 223.795662][ T6965] dump_backtrace+0x0/0x458 [ 223.796311][ T6965] show_stack+0x2c/0x3c [ 223.796929][ T6965] __dump_stack+0x30/0x40 [ 223.797596][ T6965] dump_stack_lvl+0xf4/0x15c [ 223.798313][ T6965] dump_stack+0x1c/0x5c [ 223.798880][ T6965] sysfs_create_dir_ns+0x244/0x264 [ 223.799627][ T6965] kobject_add_internal+0x5ac/0xc3c [ 223.800367][ T6965] kobject_init_and_add+0x124/0x190 [ 223.801154][ T6965] gfs2_sys_fs_add+0x200/0x41c [ 223.801899][ T6965] gfs2_fill_super+0xddc/0x1a18 [ 223.802641][ T6965] get_tree_bdev+0x358/0x544 [ 223.803312][ T6965] gfs2_get_tree+0x54/0x1b4 [ 223.804001][ T6965] vfs_get_tree+0x90/0x274 [ 223.804616][ T6965] do_new_mount+0x228/0x810 [ 223.805285][ T6965] path_mount+0x5bc/0x1008 [ 223.805910][ T6965] __arm64_sys_mount+0x514/0x5f0 [ 223.806644][ T6965] invoke_syscall+0x98/0x2b0 [ 223.807337][ T6965] el0_svc_common+0x138/0x258 [ 223.808074][ T6965] do_el0_svc+0x58/0x13c [ 223.808719][ T6965] el0_svc+0x78/0x1d0 [ 223.809304][ T6965] el0t_64_sync_handler+0xcc/0xe4 [ 223.809989][ T6965] el0t_64_sync+0x1a0/0x1a4 [ 223.812308][ T6965] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 223.814255][ T6965] gfs2: fsid=](_: error -17 adding sysfs files [ 224.026170][ T6968] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.027430][ T6968] CPU: 0 PID: 6968 Comm: syz.1.654 Not tainted syzkaller #0 [ 224.028487][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.029989][ T6968] Call trace: [ 224.030486][ T6968] dump_backtrace+0x0/0x458 [ 224.031197][ T6968] show_stack+0x2c/0x3c [ 224.031846][ T6968] __dump_stack+0x30/0x40 [ 224.032439][ T6968] dump_stack_lvl+0xf4/0x15c [ 224.033094][ T6968] dump_stack+0x1c/0x5c [ 224.033680][ T6968] sysfs_create_dir_ns+0x244/0x264 [ 224.034386][ T6968] kobject_add_internal+0x5ac/0xc3c [ 224.035097][ T6968] kobject_init_and_add+0x124/0x190 [ 224.035832][ T6968] gfs2_sys_fs_add+0x200/0x41c [ 224.036549][ T6968] gfs2_fill_super+0xddc/0x1a18 [ 224.037266][ T6968] get_tree_bdev+0x358/0x544 [ 224.037960][ T6968] gfs2_get_tree+0x54/0x1b4 [ 224.038621][ T6968] vfs_get_tree+0x90/0x274 [ 224.039273][ T6968] do_new_mount+0x228/0x810 [ 224.039911][ T6968] path_mount+0x5bc/0x1008 [ 224.040632][ T6968] __arm64_sys_mount+0x514/0x5f0 [ 224.041385][ T6968] invoke_syscall+0x98/0x2b0 [ 224.042099][ T6968] el0_svc_common+0x138/0x258 [ 224.042780][ T6968] do_el0_svc+0x58/0x13c [ 224.043432][ T6968] el0_svc+0x78/0x1d0 [ 224.044013][ T6968] el0t_64_sync_handler+0xcc/0xe4 [ 224.044782][ T6968] el0t_64_sync+0x1a0/0x1a4 [ 224.045676][ T6968] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.047661][ T6968] gfs2: fsid=](_: error -17 adding sysfs files [ 224.230977][ T6971] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.232139][ T6971] CPU: 1 PID: 6971 Comm: syz.1.655 Not tainted syzkaller #0 [ 224.233187][ T6971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.234556][ T6971] Call trace: [ 224.235013][ T6971] dump_backtrace+0x0/0x458 [ 224.235611][ T6971] show_stack+0x2c/0x3c [ 224.236178][ T6971] __dump_stack+0x30/0x40 [ 224.236779][ T6971] dump_stack_lvl+0xf4/0x15c [ 224.237464][ T6971] dump_stack+0x1c/0x5c [ 224.238024][ T6971] sysfs_create_dir_ns+0x244/0x264 [ 224.238750][ T6971] kobject_add_internal+0x5ac/0xc3c [ 224.239500][ T6971] kobject_init_and_add+0x124/0x190 [ 224.240255][ T6971] gfs2_sys_fs_add+0x200/0x41c [ 224.240934][ T6971] gfs2_fill_super+0xddc/0x1a18 [ 224.241632][ T6971] get_tree_bdev+0x358/0x544 [ 224.242313][ T6971] gfs2_get_tree+0x54/0x1b4 [ 224.242973][ T6971] vfs_get_tree+0x90/0x274 [ 224.243566][ T6971] do_new_mount+0x228/0x810 [ 224.244202][ T6971] path_mount+0x5bc/0x1008 [ 224.244829][ T6971] __arm64_sys_mount+0x514/0x5f0 [ 224.245508][ T6971] invoke_syscall+0x98/0x2b0 [ 224.246174][ T6971] el0_svc_common+0x138/0x258 [ 224.246866][ T6971] do_el0_svc+0x58/0x13c [ 224.247544][ T6971] el0_svc+0x78/0x1d0 [ 224.248135][ T6971] el0t_64_sync_handler+0xcc/0xe4 [ 224.248913][ T6971] el0t_64_sync+0x1a0/0x1a4 [ 224.251046][ T6971] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.252933][ T6971] gfs2: fsid=](_: error -17 adding sysfs files [ 224.393601][ T6974] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.394909][ T6974] CPU: 0 PID: 6974 Comm: syz.1.656 Not tainted syzkaller #0 [ 224.395945][ T6974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.397368][ T6974] Call trace: [ 224.397795][ T6974] dump_backtrace+0x0/0x458 [ 224.398411][ T6974] show_stack+0x2c/0x3c [ 224.398982][ T6974] __dump_stack+0x30/0x40 [ 224.399588][ T6974] dump_stack_lvl+0xf4/0x15c [ 224.400266][ T6974] dump_stack+0x1c/0x5c [ 224.400867][ T6974] sysfs_create_dir_ns+0x244/0x264 [ 224.401598][ T6974] kobject_add_internal+0x5ac/0xc3c [ 224.402374][ T6974] kobject_init_and_add+0x124/0x190 [ 224.403126][ T6974] gfs2_sys_fs_add+0x200/0x41c [ 224.403859][ T6974] gfs2_fill_super+0xddc/0x1a18 [ 224.404561][ T6974] get_tree_bdev+0x358/0x544 [ 224.405260][ T6974] gfs2_get_tree+0x54/0x1b4 [ 224.405922][ T6974] vfs_get_tree+0x90/0x274 [ 224.406564][ T6974] do_new_mount+0x228/0x810 [ 224.407193][ T6974] path_mount+0x5bc/0x1008 [ 224.407815][ T6974] __arm64_sys_mount+0x514/0x5f0 [ 224.408540][ T6974] invoke_syscall+0x98/0x2b0 [ 224.409226][ T6974] el0_svc_common+0x138/0x258 [ 224.409888][ T6974] do_el0_svc+0x58/0x13c [ 224.410465][ T6974] el0_svc+0x78/0x1d0 [ 224.411017][ T6974] el0t_64_sync_handler+0xcc/0xe4 [ 224.411734][ T6974] el0t_64_sync+0x1a0/0x1a4 [ 224.414064][ T6974] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.415878][ T6974] gfs2: fsid=](_: error -17 adding sysfs files [ 224.583519][ T6977] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.584714][ T6977] CPU: 0 PID: 6977 Comm: syz.1.657 Not tainted syzkaller #0 [ 224.585756][ T6977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.587423][ T6977] Call trace: [ 224.587959][ T6977] dump_backtrace+0x0/0x458 [ 224.588634][ T6977] show_stack+0x2c/0x3c [ 224.589232][ T6977] __dump_stack+0x30/0x40 [ 224.589886][ T6977] dump_stack_lvl+0xf4/0x15c [ 224.590577][ T6977] dump_stack+0x1c/0x5c [ 224.591182][ T6977] sysfs_create_dir_ns+0x244/0x264 [ 224.591933][ T6977] kobject_add_internal+0x5ac/0xc3c [ 224.592684][ T6977] kobject_init_and_add+0x124/0x190 [ 224.593411][ T6977] gfs2_sys_fs_add+0x200/0x41c [ 224.594079][ T6977] gfs2_fill_super+0xddc/0x1a18 [ 224.594775][ T6977] get_tree_bdev+0x358/0x544 [ 224.595420][ T6977] gfs2_get_tree+0x54/0x1b4 [ 224.596094][ T6977] vfs_get_tree+0x90/0x274 [ 224.596718][ T6977] do_new_mount+0x228/0x810 [ 224.597406][ T6977] path_mount+0x5bc/0x1008 [ 224.598031][ T6977] __arm64_sys_mount+0x514/0x5f0 [ 224.598731][ T6977] invoke_syscall+0x98/0x2b0 [ 224.599390][ T6977] el0_svc_common+0x138/0x258 [ 224.600072][ T6977] do_el0_svc+0x58/0x13c [ 224.600664][ T6977] el0_svc+0x78/0x1d0 [ 224.601233][ T6977] el0t_64_sync_handler+0xcc/0xe4 [ 224.602025][ T6977] el0t_64_sync+0x1a0/0x1a4 [ 224.602858][ T6977] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.604814][ T6977] gfs2: fsid=](_: error -17 adding sysfs files [ 224.743580][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.744722][ T6980] CPU: 1 PID: 6980 Comm: syz.1.658 Not tainted syzkaller #0 [ 224.745744][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.747103][ T6980] Call trace: [ 224.747531][ T6980] dump_backtrace+0x0/0x458 [ 224.748204][ T6980] show_stack+0x2c/0x3c [ 224.748777][ T6980] __dump_stack+0x30/0x40 [ 224.749383][ T6980] dump_stack_lvl+0xf4/0x15c [ 224.750030][ T6980] dump_stack+0x1c/0x5c [ 224.750609][ T6980] sysfs_create_dir_ns+0x244/0x264 [ 224.751333][ T6980] kobject_add_internal+0x5ac/0xc3c [ 224.752061][ T6980] kobject_init_and_add+0x124/0x190 [ 224.752798][ T6980] gfs2_sys_fs_add+0x200/0x41c [ 224.753459][ T6980] gfs2_fill_super+0xddc/0x1a18 [ 224.754116][ T6980] get_tree_bdev+0x358/0x544 [ 224.754753][ T6980] gfs2_get_tree+0x54/0x1b4 [ 224.755468][ T6980] vfs_get_tree+0x90/0x274 [ 224.756092][ T6980] do_new_mount+0x228/0x810 [ 224.756701][ T6980] path_mount+0x5bc/0x1008 [ 224.757304][ T6980] __arm64_sys_mount+0x514/0x5f0 [ 224.757982][ T6980] invoke_syscall+0x98/0x2b0 [ 224.758656][ T6980] el0_svc_common+0x138/0x258 [ 224.759281][ T6980] do_el0_svc+0x58/0x13c [ 224.759883][ T6980] el0_svc+0x78/0x1d0 [ 224.760457][ T6980] el0t_64_sync_handler+0xcc/0xe4 [ 224.761193][ T6980] el0t_64_sync+0x1a0/0x1a4 [ 224.762677][ T6980] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.764690][ T6980] gfs2: fsid=](_: error -17 adding sysfs files [ 224.941130][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 224.942483][ T6983] CPU: 0 PID: 6983 Comm: syz.1.659 Not tainted syzkaller #0 [ 224.943547][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 224.945000][ T6983] Call trace: [ 224.945447][ T6983] dump_backtrace+0x0/0x458 [ 224.946079][ T6983] show_stack+0x2c/0x3c [ 224.946694][ T6983] __dump_stack+0x30/0x40 [ 224.947320][ T6983] dump_stack_lvl+0xf4/0x15c [ 224.947976][ T6983] dump_stack+0x1c/0x5c [ 224.948564][ T6983] sysfs_create_dir_ns+0x244/0x264 [ 224.949283][ T6983] kobject_add_internal+0x5ac/0xc3c [ 224.950030][ T6983] kobject_init_and_add+0x124/0x190 [ 224.950818][ T6983] gfs2_sys_fs_add+0x200/0x41c [ 224.951494][ T6983] gfs2_fill_super+0xddc/0x1a18 [ 224.952205][ T6983] get_tree_bdev+0x358/0x544 [ 224.952858][ T6983] gfs2_get_tree+0x54/0x1b4 [ 224.953543][ T6983] vfs_get_tree+0x90/0x274 [ 224.954230][ T6983] do_new_mount+0x228/0x810 [ 224.954828][ T6983] path_mount+0x5bc/0x1008 [ 224.955477][ T6983] __arm64_sys_mount+0x514/0x5f0 [ 224.956254][ T6983] invoke_syscall+0x98/0x2b0 [ 224.956986][ T6983] el0_svc_common+0x138/0x258 [ 224.957810][ T6983] do_el0_svc+0x58/0x13c [ 224.958535][ T6983] el0_svc+0x78/0x1d0 [ 224.959161][ T6983] el0t_64_sync_handler+0xcc/0xe4 [ 224.959901][ T6983] el0t_64_sync+0x1a0/0x1a4 [ 224.962079][ T6983] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 224.964098][ T6983] gfs2: fsid=](_: error -17 adding sysfs files [ 225.130496][ T6986] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.131623][ T6986] CPU: 1 PID: 6986 Comm: syz.1.660 Not tainted syzkaller #0 [ 225.132648][ T6986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.134031][ T6986] Call trace: [ 225.134462][ T6986] dump_backtrace+0x0/0x458 [ 225.135166][ T6986] show_stack+0x2c/0x3c [ 225.135745][ T6986] __dump_stack+0x30/0x40 [ 225.136333][ T6986] dump_stack_lvl+0xf4/0x15c [ 225.136967][ T6986] dump_stack+0x1c/0x5c [ 225.137528][ T6986] sysfs_create_dir_ns+0x244/0x264 [ 225.138246][ T6986] kobject_add_internal+0x5ac/0xc3c [ 225.139025][ T6986] kobject_init_and_add+0x124/0x190 [ 225.139765][ T6986] gfs2_sys_fs_add+0x200/0x41c [ 225.140473][ T6986] gfs2_fill_super+0xddc/0x1a18 [ 225.141176][ T6986] get_tree_bdev+0x358/0x544 [ 225.141836][ T6986] gfs2_get_tree+0x54/0x1b4 [ 225.142479][ T6986] vfs_get_tree+0x90/0x274 [ 225.143154][ T6986] do_new_mount+0x228/0x810 [ 225.143777][ T6986] path_mount+0x5bc/0x1008 [ 225.144432][ T6986] __arm64_sys_mount+0x514/0x5f0 [ 225.145087][ T6986] invoke_syscall+0x98/0x2b0 [ 225.145753][ T6986] el0_svc_common+0x138/0x258 [ 225.146435][ T6986] do_el0_svc+0x58/0x13c [ 225.147067][ T6986] el0_svc+0x78/0x1d0 [ 225.147657][ T6986] el0t_64_sync_handler+0xcc/0xe4 [ 225.148364][ T6986] el0t_64_sync+0x1a0/0x1a4 [ 225.149897][ T6986] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.151702][ T6986] gfs2: fsid=](_: error -17 adding sysfs files [ 225.318995][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.320194][ T6989] CPU: 1 PID: 6989 Comm: syz.1.661 Not tainted syzkaller #0 [ 225.321201][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.322526][ T6989] Call trace: [ 225.322962][ T6989] dump_backtrace+0x0/0x458 [ 225.323549][ T6989] show_stack+0x2c/0x3c [ 225.324161][ T6989] __dump_stack+0x30/0x40 [ 225.324737][ T6989] dump_stack_lvl+0xf4/0x15c [ 225.325340][ T6989] dump_stack+0x1c/0x5c [ 225.325889][ T6989] sysfs_create_dir_ns+0x244/0x264 [ 225.326555][ T6989] kobject_add_internal+0x5ac/0xc3c [ 225.327290][ T6989] kobject_init_and_add+0x124/0x190 [ 225.328002][ T6989] gfs2_sys_fs_add+0x200/0x41c [ 225.328680][ T6989] gfs2_fill_super+0xddc/0x1a18 [ 225.329368][ T6989] get_tree_bdev+0x358/0x544 [ 225.330028][ T6989] gfs2_get_tree+0x54/0x1b4 [ 225.330629][ T6989] vfs_get_tree+0x90/0x274 [ 225.331273][ T6989] do_new_mount+0x228/0x810 [ 225.331910][ T6989] path_mount+0x5bc/0x1008 [ 225.332529][ T6989] __arm64_sys_mount+0x514/0x5f0 [ 225.333219][ T6989] invoke_syscall+0x98/0x2b0 [ 225.333881][ T6989] el0_svc_common+0x138/0x258 [ 225.334671][ T6989] do_el0_svc+0x58/0x13c [ 225.335319][ T6989] el0_svc+0x78/0x1d0 [ 225.335943][ T6989] el0t_64_sync_handler+0xcc/0xe4 [ 225.336640][ T6989] el0t_64_sync+0x1a0/0x1a4 [ 225.337551][ T6989] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.339598][ T6989] gfs2: fsid=](_: error -17 adding sysfs files [ 225.510489][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.511625][ T6992] CPU: 1 PID: 6992 Comm: syz.1.662 Not tainted syzkaller #0 [ 225.512675][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.514214][ T6992] Call trace: [ 225.514695][ T6992] dump_backtrace+0x0/0x458 [ 225.515342][ T6992] show_stack+0x2c/0x3c [ 225.515961][ T6992] __dump_stack+0x30/0x40 [ 225.516611][ T6992] dump_stack_lvl+0xf4/0x15c [ 225.517240][ T6992] dump_stack+0x1c/0x5c [ 225.517813][ T6992] sysfs_create_dir_ns+0x244/0x264 [ 225.518576][ T6992] kobject_add_internal+0x5ac/0xc3c [ 225.519262][ T6992] kobject_init_and_add+0x124/0x190 [ 225.520003][ T6992] gfs2_sys_fs_add+0x200/0x41c [ 225.520681][ T6992] gfs2_fill_super+0xddc/0x1a18 [ 225.521371][ T6992] get_tree_bdev+0x358/0x544 [ 225.522073][ T6992] gfs2_get_tree+0x54/0x1b4 [ 225.522730][ T6992] vfs_get_tree+0x90/0x274 [ 225.523353][ T6992] do_new_mount+0x228/0x810 [ 225.523944][ T6992] path_mount+0x5bc/0x1008 [ 225.524577][ T6992] __arm64_sys_mount+0x514/0x5f0 [ 225.525286][ T6992] invoke_syscall+0x98/0x2b0 [ 225.525955][ T6992] el0_svc_common+0x138/0x258 [ 225.526661][ T6992] do_el0_svc+0x58/0x13c [ 225.527279][ T6992] el0_svc+0x78/0x1d0 [ 225.527897][ T6992] el0t_64_sync_handler+0xcc/0xe4 [ 225.528626][ T6992] el0t_64_sync+0x1a0/0x1a4 [ 225.529963][ T6992] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.532064][ T6992] gfs2: fsid=](_: error -17 adding sysfs files [ 225.750583][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.752196][ T6995] CPU: 1 PID: 6995 Comm: syz.1.663 Not tainted syzkaller #0 [ 225.753310][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.754764][ T6995] Call trace: [ 225.755271][ T6995] dump_backtrace+0x0/0x458 [ 225.755990][ T6995] show_stack+0x2c/0x3c [ 225.756617][ T6995] __dump_stack+0x30/0x40 [ 225.757236][ T6995] dump_stack_lvl+0xf4/0x15c [ 225.757878][ T6995] dump_stack+0x1c/0x5c [ 225.758511][ T6995] sysfs_create_dir_ns+0x244/0x264 [ 225.759232][ T6995] kobject_add_internal+0x5ac/0xc3c [ 225.760178][ T6995] kobject_init_and_add+0x124/0x190 [ 225.761079][ T6995] gfs2_sys_fs_add+0x200/0x41c [ 225.761817][ T6995] gfs2_fill_super+0xddc/0x1a18 [ 225.762527][ T6995] get_tree_bdev+0x358/0x544 [ 225.763244][ T6995] gfs2_get_tree+0x54/0x1b4 [ 225.763902][ T6995] vfs_get_tree+0x90/0x274 [ 225.764517][ T6995] do_new_mount+0x228/0x810 [ 225.765134][ T6995] path_mount+0x5bc/0x1008 [ 225.765796][ T6995] __arm64_sys_mount+0x514/0x5f0 [ 225.766529][ T6995] invoke_syscall+0x98/0x2b0 [ 225.767206][ T6995] el0_svc_common+0x138/0x258 [ 225.767970][ T6995] do_el0_svc+0x58/0x13c [ 225.768634][ T6995] el0_svc+0x78/0x1d0 [ 225.769229][ T6995] el0t_64_sync_handler+0xcc/0xe4 [ 225.769901][ T6995] el0t_64_sync+0x1a0/0x1a4 [ 225.772033][ T6995] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.773972][ T6995] gfs2: fsid=](_: error -17 adding sysfs files [ 225.940591][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 225.941855][ T6998] CPU: 1 PID: 6998 Comm: syz.1.664 Not tainted syzkaller #0 [ 225.942939][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.944435][ T6998] Call trace: [ 225.944943][ T6998] dump_backtrace+0x0/0x458 [ 225.945599][ T6998] show_stack+0x2c/0x3c [ 225.946201][ T6998] __dump_stack+0x30/0x40 [ 225.946817][ T6998] dump_stack_lvl+0xf4/0x15c [ 225.947467][ T6998] dump_stack+0x1c/0x5c [ 225.948138][ T6998] sysfs_create_dir_ns+0x244/0x264 [ 225.948991][ T6998] kobject_add_internal+0x5ac/0xc3c [ 225.949824][ T6998] kobject_init_and_add+0x124/0x190 [ 225.950646][ T6998] gfs2_sys_fs_add+0x200/0x41c [ 225.951416][ T6998] gfs2_fill_super+0xddc/0x1a18 [ 225.952159][ T6998] get_tree_bdev+0x358/0x544 [ 225.952911][ T6998] gfs2_get_tree+0x54/0x1b4 [ 225.953607][ T6998] vfs_get_tree+0x90/0x274 [ 225.954268][ T6998] do_new_mount+0x228/0x810 [ 225.954935][ T6998] path_mount+0x5bc/0x1008 [ 225.955648][ T6998] __arm64_sys_mount+0x514/0x5f0 [ 225.956304][ T6998] invoke_syscall+0x98/0x2b0 [ 225.956950][ T6998] el0_svc_common+0x138/0x258 [ 225.957676][ T6998] do_el0_svc+0x58/0x13c [ 225.958272][ T6998] el0_svc+0x78/0x1d0 [ 225.958873][ T6998] el0t_64_sync_handler+0xcc/0xe4 [ 225.959578][ T6998] el0t_64_sync+0x1a0/0x1a4 [ 225.961731][ T6998] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 225.963423][ T6998] gfs2: fsid=](_: error -17 adding sysfs files [ 226.145229][ T7001] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.146501][ T7001] CPU: 1 PID: 7001 Comm: syz.1.665 Not tainted syzkaller #0 [ 226.147587][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.148962][ T7001] Call trace: [ 226.149421][ T7001] dump_backtrace+0x0/0x458 [ 226.150128][ T7001] show_stack+0x2c/0x3c [ 226.150724][ T7001] __dump_stack+0x30/0x40 [ 226.151318][ T7001] dump_stack_lvl+0xf4/0x15c [ 226.151991][ T7001] dump_stack+0x1c/0x5c [ 226.152555][ T7001] sysfs_create_dir_ns+0x244/0x264 [ 226.153273][ T7001] kobject_add_internal+0x5ac/0xc3c [ 226.154007][ T7001] kobject_init_and_add+0x124/0x190 [ 226.154741][ T7001] gfs2_sys_fs_add+0x200/0x41c [ 226.155449][ T7001] gfs2_fill_super+0xddc/0x1a18 [ 226.156152][ T7001] get_tree_bdev+0x358/0x544 [ 226.156825][ T7001] gfs2_get_tree+0x54/0x1b4 [ 226.157470][ T7001] vfs_get_tree+0x90/0x274 [ 226.158129][ T7001] do_new_mount+0x228/0x810 [ 226.158782][ T7001] path_mount+0x5bc/0x1008 [ 226.159374][ T7001] __arm64_sys_mount+0x514/0x5f0 [ 226.160072][ T7001] invoke_syscall+0x98/0x2b0 [ 226.160750][ T7001] el0_svc_common+0x138/0x258 [ 226.161359][ T7001] do_el0_svc+0x58/0x13c [ 226.161948][ T7001] el0_svc+0x78/0x1d0 [ 226.162586][ T7001] el0t_64_sync_handler+0xcc/0xe4 [ 226.163393][ T7001] el0t_64_sync+0x1a0/0x1a4 [ 226.165414][ T7001] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.167466][ T7001] gfs2: fsid=](_: error -17 adding sysfs files [ 226.340464][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.341631][ T7004] CPU: 0 PID: 7004 Comm: syz.1.666 Not tainted syzkaller #0 [ 226.342746][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.344224][ T7004] Call trace: [ 226.344673][ T7004] dump_backtrace+0x0/0x458 [ 226.345398][ T7004] show_stack+0x2c/0x3c [ 226.345970][ T7004] __dump_stack+0x30/0x40 [ 226.346642][ T7004] dump_stack_lvl+0xf4/0x15c [ 226.347445][ T7004] dump_stack+0x1c/0x5c [ 226.348072][ T7004] sysfs_create_dir_ns+0x244/0x264 [ 226.348849][ T7004] kobject_add_internal+0x5ac/0xc3c [ 226.349625][ T7004] kobject_init_and_add+0x124/0x190 [ 226.350373][ T7004] gfs2_sys_fs_add+0x200/0x41c [ 226.351046][ T7004] gfs2_fill_super+0xddc/0x1a18 [ 226.351843][ T7004] get_tree_bdev+0x358/0x544 [ 226.352510][ T7004] gfs2_get_tree+0x54/0x1b4 [ 226.353214][ T7004] vfs_get_tree+0x90/0x274 [ 226.353827][ T7004] do_new_mount+0x228/0x810 [ 226.354523][ T7004] path_mount+0x5bc/0x1008 [ 226.355162][ T7004] __arm64_sys_mount+0x514/0x5f0 [ 226.355883][ T7004] invoke_syscall+0x98/0x2b0 [ 226.356604][ T7004] el0_svc_common+0x138/0x258 [ 226.357213][ T7004] do_el0_svc+0x58/0x13c [ 226.357815][ T7004] el0_svc+0x78/0x1d0 [ 226.358414][ T7004] el0t_64_sync_handler+0xcc/0xe4 [ 226.359132][ T7004] el0t_64_sync+0x1a0/0x1a4 [ 226.361244][ T7004] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.363175][ T7004] gfs2: fsid=](_: error -17 adding sysfs files [ 226.574488][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.575686][ T7007] CPU: 1 PID: 7007 Comm: syz.1.667 Not tainted syzkaller #0 [ 226.576844][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.578344][ T7007] Call trace: [ 226.578847][ T7007] dump_backtrace+0x0/0x458 [ 226.579544][ T7007] show_stack+0x2c/0x3c [ 226.580164][ T7007] __dump_stack+0x30/0x40 [ 226.580819][ T7007] dump_stack_lvl+0xf4/0x15c [ 226.581465][ T7007] dump_stack+0x1c/0x5c [ 226.582042][ T7007] sysfs_create_dir_ns+0x244/0x264 [ 226.582755][ T7007] kobject_add_internal+0x5ac/0xc3c [ 226.583472][ T7007] kobject_init_and_add+0x124/0x190 [ 226.584192][ T7007] gfs2_sys_fs_add+0x200/0x41c [ 226.584905][ T7007] gfs2_fill_super+0xddc/0x1a18 [ 226.585675][ T7007] get_tree_bdev+0x358/0x544 [ 226.586382][ T7007] gfs2_get_tree+0x54/0x1b4 [ 226.587085][ T7007] vfs_get_tree+0x90/0x274 [ 226.587712][ T7007] do_new_mount+0x228/0x810 [ 226.588354][ T7007] path_mount+0x5bc/0x1008 [ 226.589025][ T7007] __arm64_sys_mount+0x514/0x5f0 [ 226.589723][ T7007] invoke_syscall+0x98/0x2b0 [ 226.590387][ T7007] el0_svc_common+0x138/0x258 [ 226.591059][ T7007] do_el0_svc+0x58/0x13c [ 226.591695][ T7007] el0_svc+0x78/0x1d0 [ 226.592291][ T7007] el0t_64_sync_handler+0xcc/0xe4 [ 226.593031][ T7007] el0t_64_sync+0x1a0/0x1a4 [ 226.595695][ T7007] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.597613][ T7007] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:46 executed programs: 654 [ 226.729770][ T7010] set_capacity_and_notify: 16 callbacks suppressed [ 226.729781][ T7010] loop1: detected capacity change from 0 to 32768 [ 226.773527][ T7010] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.774687][ T7010] CPU: 1 PID: 7010 Comm: syz.1.668 Not tainted syzkaller #0 [ 226.775838][ T7010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.777375][ T7010] Call trace: [ 226.777812][ T7010] dump_backtrace+0x0/0x458 [ 226.778482][ T7010] show_stack+0x2c/0x3c [ 226.779110][ T7010] __dump_stack+0x30/0x40 [ 226.779808][ T7010] dump_stack_lvl+0xf4/0x15c [ 226.780486][ T7010] dump_stack+0x1c/0x5c [ 226.781088][ T7010] sysfs_create_dir_ns+0x244/0x264 [ 226.781891][ T7010] kobject_add_internal+0x5ac/0xc3c [ 226.782673][ T7010] kobject_init_and_add+0x124/0x190 [ 226.783431][ T7010] gfs2_sys_fs_add+0x200/0x41c [ 226.784105][ T7010] gfs2_fill_super+0xddc/0x1a18 [ 226.784800][ T7010] get_tree_bdev+0x358/0x544 [ 226.785432][ T7010] gfs2_get_tree+0x54/0x1b4 [ 226.786163][ T7010] vfs_get_tree+0x90/0x274 [ 226.786754][ T7010] do_new_mount+0x228/0x810 [ 226.787433][ T7010] path_mount+0x5bc/0x1008 [ 226.788091][ T7010] __arm64_sys_mount+0x514/0x5f0 [ 226.788810][ T7010] invoke_syscall+0x98/0x2b0 [ 226.789463][ T7010] el0_svc_common+0x138/0x258 [ 226.790204][ T7010] do_el0_svc+0x58/0x13c [ 226.790825][ T7010] el0_svc+0x78/0x1d0 [ 226.791446][ T7010] el0t_64_sync_handler+0xcc/0xe4 [ 226.792190][ T7010] el0t_64_sync+0x1a0/0x1a4 [ 226.794332][ T7010] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 226.796170][ T7010] gfs2: fsid=](_: error -17 adding sysfs files [ 226.930798][ T7013] loop1: detected capacity change from 0 to 32768 [ 226.980375][ T7013] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 226.981599][ T7013] CPU: 0 PID: 7013 Comm: syz.1.669 Not tainted syzkaller #0 [ 226.982697][ T7013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.984079][ T7013] Call trace: [ 226.984550][ T7013] dump_backtrace+0x0/0x458 [ 226.985177][ T7013] show_stack+0x2c/0x3c [ 226.985753][ T7013] __dump_stack+0x30/0x40 [ 226.986361][ T7013] dump_stack_lvl+0xf4/0x15c [ 226.986995][ T7013] dump_stack+0x1c/0x5c [ 226.987615][ T7013] sysfs_create_dir_ns+0x244/0x264 [ 226.988384][ T7013] kobject_add_internal+0x5ac/0xc3c [ 226.989103][ T7013] kobject_init_and_add+0x124/0x190 [ 226.989893][ T7013] gfs2_sys_fs_add+0x200/0x41c [ 226.990588][ T7013] gfs2_fill_super+0xddc/0x1a18 [ 226.991362][ T7013] get_tree_bdev+0x358/0x544 [ 226.992055][ T7013] gfs2_get_tree+0x54/0x1b4 [ 226.992738][ T7013] vfs_get_tree+0x90/0x274 [ 226.993394][ T7013] do_new_mount+0x228/0x810 [ 226.994065][ T7013] path_mount+0x5bc/0x1008 [ 226.994673][ T7013] __arm64_sys_mount+0x514/0x5f0 [ 226.995357][ T7013] invoke_syscall+0x98/0x2b0 [ 226.996080][ T7013] el0_svc_common+0x138/0x258 [ 226.996883][ T7013] do_el0_svc+0x58/0x13c [ 226.997582][ T7013] el0_svc+0x78/0x1d0 [ 226.998220][ T7013] el0t_64_sync_handler+0xcc/0xe4 [ 226.998933][ T7013] el0t_64_sync+0x1a0/0x1a4 [ 227.001110][ T7013] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.002944][ T7013] gfs2: fsid=](_: error -17 adding sysfs files [ 227.165096][ T7016] loop1: detected capacity change from 0 to 32768 [ 227.219271][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.220401][ T7016] CPU: 1 PID: 7016 Comm: syz.1.670 Not tainted syzkaller #0 [ 227.221431][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.222834][ T7016] Call trace: [ 227.223318][ T7016] dump_backtrace+0x0/0x458 [ 227.223962][ T7016] show_stack+0x2c/0x3c [ 227.224557][ T7016] __dump_stack+0x30/0x40 [ 227.225201][ T7016] dump_stack_lvl+0xf4/0x15c [ 227.225868][ T7016] dump_stack+0x1c/0x5c [ 227.226467][ T7016] sysfs_create_dir_ns+0x244/0x264 [ 227.227154][ T7016] kobject_add_internal+0x5ac/0xc3c [ 227.227895][ T7016] kobject_init_and_add+0x124/0x190 [ 227.228598][ T7016] gfs2_sys_fs_add+0x200/0x41c [ 227.229272][ T7016] gfs2_fill_super+0xddc/0x1a18 [ 227.229951][ T7016] get_tree_bdev+0x358/0x544 [ 227.230610][ T7016] gfs2_get_tree+0x54/0x1b4 [ 227.231231][ T7016] vfs_get_tree+0x90/0x274 [ 227.231844][ T7016] do_new_mount+0x228/0x810 [ 227.232495][ T7016] path_mount+0x5bc/0x1008 [ 227.233111][ T7016] __arm64_sys_mount+0x514/0x5f0 [ 227.233816][ T7016] invoke_syscall+0x98/0x2b0 [ 227.234465][ T7016] el0_svc_common+0x138/0x258 [ 227.235127][ T7016] do_el0_svc+0x58/0x13c [ 227.235743][ T7016] el0_svc+0x78/0x1d0 [ 227.236313][ T7016] el0t_64_sync_handler+0xcc/0xe4 [ 227.237057][ T7016] el0t_64_sync+0x1a0/0x1a4 [ 227.237946][ T7016] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.239996][ T7016] gfs2: fsid=](_: error -17 adding sysfs files [ 227.371053][ T7019] loop1: detected capacity change from 0 to 32768 [ 227.378221][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.379419][ T7019] CPU: 1 PID: 7019 Comm: syz.1.671 Not tainted syzkaller #0 [ 227.380430][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.381575][ T7019] Call trace: [ 227.382069][ T7019] dump_backtrace+0x0/0x458 [ 227.382733][ T7019] show_stack+0x2c/0x3c [ 227.383329][ T7019] __dump_stack+0x30/0x40 [ 227.384038][ T7019] dump_stack_lvl+0xf4/0x15c [ 227.384722][ T7019] dump_stack+0x1c/0x5c [ 227.385333][ T7019] sysfs_create_dir_ns+0x244/0x264 [ 227.386014][ T7019] kobject_add_internal+0x5ac/0xc3c [ 227.386749][ T7019] kobject_init_and_add+0x124/0x190 [ 227.387516][ T7019] gfs2_sys_fs_add+0x200/0x41c [ 227.388176][ T7019] gfs2_fill_super+0xddc/0x1a18 [ 227.388924][ T7019] get_tree_bdev+0x358/0x544 [ 227.389610][ T7019] gfs2_get_tree+0x54/0x1b4 [ 227.390328][ T7019] vfs_get_tree+0x90/0x274 [ 227.390999][ T7019] do_new_mount+0x228/0x810 [ 227.391627][ T7019] path_mount+0x5bc/0x1008 [ 227.392242][ T7019] __arm64_sys_mount+0x514/0x5f0 [ 227.392929][ T7019] invoke_syscall+0x98/0x2b0 [ 227.393590][ T7019] el0_svc_common+0x138/0x258 [ 227.394262][ T7019] do_el0_svc+0x58/0x13c [ 227.394831][ T7019] el0_svc+0x78/0x1d0 [ 227.395392][ T7019] el0t_64_sync_handler+0xcc/0xe4 [ 227.396123][ T7019] el0t_64_sync+0x1a0/0x1a4 [ 227.396900][ T7019] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.398767][ T7019] gfs2: fsid=](_: error -17 adding sysfs files [ 227.583388][ T7022] loop1: detected capacity change from 0 to 32768 [ 227.614043][ T7022] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.615183][ T7022] CPU: 1 PID: 7022 Comm: syz.1.672 Not tainted syzkaller #0 [ 227.616266][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.617752][ T7022] Call trace: [ 227.618236][ T7022] dump_backtrace+0x0/0x458 [ 227.618851][ T7022] show_stack+0x2c/0x3c [ 227.619580][ T7022] __dump_stack+0x30/0x40 [ 227.620262][ T7022] dump_stack_lvl+0xf4/0x15c [ 227.620981][ T7022] dump_stack+0x1c/0x5c [ 227.621646][ T7022] sysfs_create_dir_ns+0x244/0x264 [ 227.622389][ T7022] kobject_add_internal+0x5ac/0xc3c [ 227.623154][ T7022] kobject_init_and_add+0x124/0x190 [ 227.623942][ T7022] gfs2_sys_fs_add+0x200/0x41c [ 227.624691][ T7022] gfs2_fill_super+0xddc/0x1a18 [ 227.625349][ T7022] get_tree_bdev+0x358/0x544 [ 227.625946][ T7022] gfs2_get_tree+0x54/0x1b4 [ 227.626556][ T7022] vfs_get_tree+0x90/0x274 [ 227.627201][ T7022] do_new_mount+0x228/0x810 [ 227.627854][ T7022] path_mount+0x5bc/0x1008 [ 227.628489][ T7022] __arm64_sys_mount+0x514/0x5f0 [ 227.629182][ T7022] invoke_syscall+0x98/0x2b0 [ 227.629854][ T7022] el0_svc_common+0x138/0x258 [ 227.630536][ T7022] do_el0_svc+0x58/0x13c [ 227.631179][ T7022] el0_svc+0x78/0x1d0 [ 227.631736][ T7022] el0t_64_sync_handler+0xcc/0xe4 [ 227.632548][ T7022] el0t_64_sync+0x1a0/0x1a4 [ 227.634632][ T7022] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.636404][ T7022] gfs2: fsid=](_: error -17 adding sysfs files [ 227.818030][ T7025] loop1: detected capacity change from 0 to 32768 [ 227.863428][ T7025] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 227.864633][ T7025] CPU: 1 PID: 7025 Comm: syz.1.673 Not tainted syzkaller #0 [ 227.865766][ T7025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.867203][ T7025] Call trace: [ 227.867645][ T7025] dump_backtrace+0x0/0x458 [ 227.868272][ T7025] show_stack+0x2c/0x3c [ 227.868892][ T7025] __dump_stack+0x30/0x40 [ 227.869529][ T7025] dump_stack_lvl+0xf4/0x15c [ 227.870157][ T7025] dump_stack+0x1c/0x5c [ 227.870805][ T7025] sysfs_create_dir_ns+0x244/0x264 [ 227.871648][ T7025] kobject_add_internal+0x5ac/0xc3c [ 227.872429][ T7025] kobject_init_and_add+0x124/0x190 [ 227.873214][ T7025] gfs2_sys_fs_add+0x200/0x41c [ 227.873894][ T7025] gfs2_fill_super+0xddc/0x1a18 [ 227.874592][ T7025] get_tree_bdev+0x358/0x544 [ 227.875305][ T7025] gfs2_get_tree+0x54/0x1b4 [ 227.875982][ T7025] vfs_get_tree+0x90/0x274 [ 227.876609][ T7025] do_new_mount+0x228/0x810 [ 227.877245][ T7025] path_mount+0x5bc/0x1008 [ 227.877887][ T7025] __arm64_sys_mount+0x514/0x5f0 [ 227.878692][ T7025] invoke_syscall+0x98/0x2b0 [ 227.879355][ T7025] el0_svc_common+0x138/0x258 [ 227.880000][ T7025] do_el0_svc+0x58/0x13c [ 227.880661][ T7025] el0_svc+0x78/0x1d0 [ 227.881237][ T7025] el0t_64_sync_handler+0xcc/0xe4 [ 227.881950][ T7025] el0t_64_sync+0x1a0/0x1a4 [ 227.884105][ T7025] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 227.886313][ T7025] gfs2: fsid=](_: error -17 adding sysfs files [ 228.015551][ T7028] loop1: detected capacity change from 0 to 32768 [ 228.094320][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.095461][ T7028] CPU: 1 PID: 7028 Comm: syz.1.674 Not tainted syzkaller #0 [ 228.096547][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.098007][ T7028] Call trace: [ 228.098519][ T7028] dump_backtrace+0x0/0x458 [ 228.099163][ T7028] show_stack+0x2c/0x3c [ 228.099826][ T7028] __dump_stack+0x30/0x40 [ 228.100446][ T7028] dump_stack_lvl+0xf4/0x15c [ 228.101071][ T7028] dump_stack+0x1c/0x5c [ 228.101668][ T7028] sysfs_create_dir_ns+0x244/0x264 [ 228.102412][ T7028] kobject_add_internal+0x5ac/0xc3c [ 228.103164][ T7028] kobject_init_and_add+0x124/0x190 [ 228.103887][ T7028] gfs2_sys_fs_add+0x200/0x41c [ 228.104537][ T7028] gfs2_fill_super+0xddc/0x1a18 [ 228.105264][ T7028] get_tree_bdev+0x358/0x544 [ 228.105984][ T7028] gfs2_get_tree+0x54/0x1b4 [ 228.106601][ T7028] vfs_get_tree+0x90/0x274 [ 228.107211][ T7028] do_new_mount+0x228/0x810 [ 228.107854][ T7028] path_mount+0x5bc/0x1008 [ 228.108448][ T7028] __arm64_sys_mount+0x514/0x5f0 [ 228.109123][ T7028] invoke_syscall+0x98/0x2b0 [ 228.109763][ T7028] el0_svc_common+0x138/0x258 [ 228.110422][ T7028] do_el0_svc+0x58/0x13c [ 228.110978][ T7028] el0_svc+0x78/0x1d0 [ 228.111519][ T7028] el0t_64_sync_handler+0xcc/0xe4 [ 228.112246][ T7028] el0t_64_sync+0x1a0/0x1a4 [ 228.113682][ T7028] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.115544][ T7028] gfs2: fsid=](_: error -17 adding sysfs files [ 228.292122][ T7031] loop1: detected capacity change from 0 to 32768 [ 228.295192][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.296337][ T7031] CPU: 0 PID: 7031 Comm: syz.1.675 Not tainted syzkaller #0 [ 228.297496][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.298953][ T7031] Call trace: [ 228.299398][ T7031] dump_backtrace+0x0/0x458 [ 228.300080][ T7031] show_stack+0x2c/0x3c [ 228.300662][ T7031] __dump_stack+0x30/0x40 [ 228.301289][ T7031] dump_stack_lvl+0xf4/0x15c [ 228.301979][ T7031] dump_stack+0x1c/0x5c [ 228.302564][ T7031] sysfs_create_dir_ns+0x244/0x264 [ 228.303292][ T7031] kobject_add_internal+0x5ac/0xc3c [ 228.304062][ T7031] kobject_init_and_add+0x124/0x190 [ 228.304967][ T7031] gfs2_sys_fs_add+0x200/0x41c [ 228.305709][ T7031] gfs2_fill_super+0xddc/0x1a18 [ 228.306431][ T7031] get_tree_bdev+0x358/0x544 [ 228.307114][ T7031] gfs2_get_tree+0x54/0x1b4 [ 228.307728][ T7031] vfs_get_tree+0x90/0x274 [ 228.308365][ T7031] do_new_mount+0x228/0x810 [ 228.308985][ T7031] path_mount+0x5bc/0x1008 [ 228.309578][ T7031] __arm64_sys_mount+0x514/0x5f0 [ 228.310258][ T7031] invoke_syscall+0x98/0x2b0 [ 228.310864][ T7031] el0_svc_common+0x138/0x258 [ 228.311534][ T7031] do_el0_svc+0x58/0x13c [ 228.312139][ T7031] el0_svc+0x78/0x1d0 [ 228.312693][ T7031] el0t_64_sync_handler+0xcc/0xe4 [ 228.313458][ T7031] el0t_64_sync+0x1a0/0x1a4 [ 228.315525][ T7031] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.317476][ T7031] gfs2: fsid=](_: error -17 adding sysfs files [ 228.492959][ T7034] loop1: detected capacity change from 0 to 32768 [ 228.543732][ T7034] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.544869][ T7034] CPU: 1 PID: 7034 Comm: syz.1.676 Not tainted syzkaller #0 [ 228.545937][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.547394][ T7034] Call trace: [ 228.547936][ T7034] dump_backtrace+0x0/0x458 [ 228.548639][ T7034] show_stack+0x2c/0x3c [ 228.549386][ T7034] __dump_stack+0x30/0x40 [ 228.549991][ T7034] dump_stack_lvl+0xf4/0x15c [ 228.550654][ T7034] dump_stack+0x1c/0x5c [ 228.551253][ T7034] sysfs_create_dir_ns+0x244/0x264 [ 228.551987][ T7034] kobject_add_internal+0x5ac/0xc3c [ 228.552736][ T7034] kobject_init_and_add+0x124/0x190 [ 228.553538][ T7034] gfs2_sys_fs_add+0x200/0x41c [ 228.554298][ T7034] gfs2_fill_super+0xddc/0x1a18 [ 228.555059][ T7034] get_tree_bdev+0x358/0x544 [ 228.555695][ T7034] gfs2_get_tree+0x54/0x1b4 [ 228.556399][ T7034] vfs_get_tree+0x90/0x274 [ 228.557073][ T7034] do_new_mount+0x228/0x810 [ 228.557751][ T7034] path_mount+0x5bc/0x1008 [ 228.558389][ T7034] __arm64_sys_mount+0x514/0x5f0 [ 228.559246][ T7034] invoke_syscall+0x98/0x2b0 [ 228.559918][ T7034] el0_svc_common+0x138/0x258 [ 228.560644][ T7034] do_el0_svc+0x58/0x13c [ 228.561314][ T7034] el0_svc+0x78/0x1d0 [ 228.561883][ T7034] el0t_64_sync_handler+0xcc/0xe4 [ 228.562688][ T7034] el0t_64_sync+0x1a0/0x1a4 [ 228.564793][ T7034] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.566563][ T7034] gfs2: fsid=](_: error -17 adding sysfs files [ 228.760405][ T7037] loop1: detected capacity change from 0 to 32768 [ 228.814789][ T7037] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 228.815994][ T7037] CPU: 0 PID: 7037 Comm: syz.1.677 Not tainted syzkaller #0 [ 228.817023][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.818499][ T7037] Call trace: [ 228.818972][ T7037] dump_backtrace+0x0/0x458 [ 228.819684][ T7037] show_stack+0x2c/0x3c [ 228.820331][ T7037] __dump_stack+0x30/0x40 [ 228.820946][ T7037] dump_stack_lvl+0xf4/0x15c [ 228.821587][ T7037] dump_stack+0x1c/0x5c [ 228.822162][ T7037] sysfs_create_dir_ns+0x244/0x264 [ 228.823037][ T7037] kobject_add_internal+0x5ac/0xc3c [ 228.823827][ T7037] kobject_init_and_add+0x124/0x190 [ 228.824611][ T7037] gfs2_sys_fs_add+0x200/0x41c [ 228.825246][ T7037] gfs2_fill_super+0xddc/0x1a18 [ 228.825985][ T7037] get_tree_bdev+0x358/0x544 [ 228.826611][ T7037] gfs2_get_tree+0x54/0x1b4 [ 228.827308][ T7037] vfs_get_tree+0x90/0x274 [ 228.827987][ T7037] do_new_mount+0x228/0x810 [ 228.828657][ T7037] path_mount+0x5bc/0x1008 [ 228.829344][ T7037] __arm64_sys_mount+0x514/0x5f0 [ 228.830070][ T7037] invoke_syscall+0x98/0x2b0 [ 228.830812][ T7037] el0_svc_common+0x138/0x258 [ 228.831458][ T7037] do_el0_svc+0x58/0x13c [ 228.832080][ T7037] el0_svc+0x78/0x1d0 [ 228.832701][ T7037] el0t_64_sync_handler+0xcc/0xe4 [ 228.833470][ T7037] el0t_64_sync+0x1a0/0x1a4 [ 228.834637][ T7037] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 228.836549][ T7037] gfs2: fsid=](_: error -17 adding sysfs files [ 229.016812][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.017914][ T7040] CPU: 0 PID: 7040 Comm: syz.1.678 Not tainted syzkaller #0 [ 229.018932][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.020487][ T7040] Call trace: [ 229.020965][ T7040] dump_backtrace+0x0/0x458 [ 229.021715][ T7040] show_stack+0x2c/0x3c [ 229.022355][ T7040] __dump_stack+0x30/0x40 [ 229.023108][ T7040] dump_stack_lvl+0xf4/0x15c [ 229.023772][ T7040] dump_stack+0x1c/0x5c [ 229.024321][ T7040] sysfs_create_dir_ns+0x244/0x264 [ 229.025151][ T7040] kobject_add_internal+0x5ac/0xc3c [ 229.026043][ T7040] kobject_init_and_add+0x124/0x190 [ 229.026793][ T7040] gfs2_sys_fs_add+0x200/0x41c [ 229.027460][ T7040] gfs2_fill_super+0xddc/0x1a18 [ 229.028198][ T7040] get_tree_bdev+0x358/0x544 [ 229.028870][ T7040] gfs2_get_tree+0x54/0x1b4 [ 229.029505][ T7040] vfs_get_tree+0x90/0x274 [ 229.030141][ T7040] do_new_mount+0x228/0x810 [ 229.030794][ T7040] path_mount+0x5bc/0x1008 [ 229.031409][ T7040] __arm64_sys_mount+0x514/0x5f0 [ 229.032140][ T7040] invoke_syscall+0x98/0x2b0 [ 229.032890][ T7040] el0_svc_common+0x138/0x258 [ 229.033552][ T7040] do_el0_svc+0x58/0x13c [ 229.034155][ T7040] el0_svc+0x78/0x1d0 [ 229.034699][ T7040] el0t_64_sync_handler+0xcc/0xe4 [ 229.035413][ T7040] el0t_64_sync+0x1a0/0x1a4 [ 229.036626][ T7040] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.038520][ T7040] gfs2: fsid=](_: error -17 adding sysfs files [ 229.216627][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.217796][ T7043] CPU: 1 PID: 7043 Comm: syz.1.679 Not tainted syzkaller #0 [ 229.218943][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.220439][ T7043] Call trace: [ 229.220978][ T7043] dump_backtrace+0x0/0x458 [ 229.221607][ T7043] show_stack+0x2c/0x3c [ 229.222264][ T7043] __dump_stack+0x30/0x40 [ 229.222922][ T7043] dump_stack_lvl+0xf4/0x15c [ 229.223622][ T7043] dump_stack+0x1c/0x5c [ 229.224232][ T7043] sysfs_create_dir_ns+0x244/0x264 [ 229.224993][ T7043] kobject_add_internal+0x5ac/0xc3c [ 229.225732][ T7043] kobject_init_and_add+0x124/0x190 [ 229.226576][ T7043] gfs2_sys_fs_add+0x200/0x41c [ 229.227293][ T7043] gfs2_fill_super+0xddc/0x1a18 [ 229.228002][ T7043] get_tree_bdev+0x358/0x544 [ 229.228723][ T7043] gfs2_get_tree+0x54/0x1b4 [ 229.229359][ T7043] vfs_get_tree+0x90/0x274 [ 229.230060][ T7043] do_new_mount+0x228/0x810 [ 229.230705][ T7043] path_mount+0x5bc/0x1008 [ 229.231280][ T7043] __arm64_sys_mount+0x514/0x5f0 [ 229.231943][ T7043] invoke_syscall+0x98/0x2b0 [ 229.232626][ T7043] el0_svc_common+0x138/0x258 [ 229.233314][ T7043] do_el0_svc+0x58/0x13c [ 229.233980][ T7043] el0_svc+0x78/0x1d0 [ 229.234629][ T7043] el0t_64_sync_handler+0xcc/0xe4 [ 229.235341][ T7043] el0t_64_sync+0x1a0/0x1a4 [ 229.236830][ T7043] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.238689][ T7043] gfs2: fsid=](_: error -17 adding sysfs files [ 229.464574][ T7046] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.465918][ T7046] CPU: 0 PID: 7046 Comm: syz.1.680 Not tainted syzkaller #0 [ 229.466951][ T7046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.468395][ T7046] Call trace: [ 229.468892][ T7046] dump_backtrace+0x0/0x458 [ 229.469550][ T7046] show_stack+0x2c/0x3c [ 229.470250][ T7046] __dump_stack+0x30/0x40 [ 229.470749][ T7046] dump_stack_lvl+0xf4/0x15c [ 229.471513][ T7046] dump_stack+0x1c/0x5c [ 229.472097][ T7046] sysfs_create_dir_ns+0x244/0x264 [ 229.472740][ T7046] kobject_add_internal+0x5ac/0xc3c [ 229.473489][ T7046] kobject_init_and_add+0x124/0x190 [ 229.474202][ T7046] gfs2_sys_fs_add+0x200/0x41c [ 229.474821][ T7046] gfs2_fill_super+0xddc/0x1a18 [ 229.475373][ T7046] get_tree_bdev+0x358/0x544 [ 229.475898][ T7046] gfs2_get_tree+0x54/0x1b4 [ 229.476692][ T7046] vfs_get_tree+0x90/0x274 [ 229.477287][ T7046] do_new_mount+0x228/0x810 [ 229.477846][ T7046] path_mount+0x5bc/0x1008 [ 229.478418][ T7046] __arm64_sys_mount+0x514/0x5f0 [ 229.479067][ T7046] invoke_syscall+0x98/0x2b0 [ 229.479836][ T7046] el0_svc_common+0x138/0x258 [ 229.480549][ T7046] do_el0_svc+0x58/0x13c [ 229.481183][ T7046] el0_svc+0x78/0x1d0 [ 229.481772][ T7046] el0t_64_sync_handler+0xcc/0xe4 [ 229.482533][ T7046] el0t_64_sync+0x1a0/0x1a4 [ 229.484701][ T7046] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.486546][ T7046] gfs2: fsid=](_: error -17 adding sysfs files [ 229.705169][ T7049] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.706282][ T7049] CPU: 1 PID: 7049 Comm: syz.1.681 Not tainted syzkaller #0 [ 229.707366][ T7049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.708772][ T7049] Call trace: [ 229.709290][ T7049] dump_backtrace+0x0/0x458 [ 229.709962][ T7049] show_stack+0x2c/0x3c [ 229.710562][ T7049] __dump_stack+0x30/0x40 [ 229.711163][ T7049] dump_stack_lvl+0xf4/0x15c [ 229.711884][ T7049] dump_stack+0x1c/0x5c [ 229.712473][ T7049] sysfs_create_dir_ns+0x244/0x264 [ 229.713258][ T7049] kobject_add_internal+0x5ac/0xc3c [ 229.713978][ T7049] kobject_init_and_add+0x124/0x190 [ 229.714755][ T7049] gfs2_sys_fs_add+0x200/0x41c [ 229.715428][ T7049] gfs2_fill_super+0xddc/0x1a18 [ 229.716088][ T7049] get_tree_bdev+0x358/0x544 [ 229.716785][ T7049] gfs2_get_tree+0x54/0x1b4 [ 229.717417][ T7049] vfs_get_tree+0x90/0x274 [ 229.718012][ T7049] do_new_mount+0x228/0x810 [ 229.718627][ T7049] path_mount+0x5bc/0x1008 [ 229.719299][ T7049] __arm64_sys_mount+0x514/0x5f0 [ 229.719986][ T7049] invoke_syscall+0x98/0x2b0 [ 229.720612][ T7049] el0_svc_common+0x138/0x258 [ 229.721305][ T7049] do_el0_svc+0x58/0x13c [ 229.721903][ T7049] el0_svc+0x78/0x1d0 [ 229.722478][ T7049] el0t_64_sync_handler+0xcc/0xe4 [ 229.723158][ T7049] el0t_64_sync+0x1a0/0x1a4 [ 229.725413][ T7049] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.727361][ T7049] gfs2: fsid=](_: error -17 adding sysfs files [ 229.910831][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 229.912037][ T7052] CPU: 0 PID: 7052 Comm: syz.1.682 Not tainted syzkaller #0 [ 229.913118][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.914566][ T7052] Call trace: [ 229.915088][ T7052] dump_backtrace+0x0/0x458 [ 229.915729][ T7052] show_stack+0x2c/0x3c [ 229.916363][ T7052] __dump_stack+0x30/0x40 [ 229.917048][ T7052] dump_stack_lvl+0xf4/0x15c [ 229.917684][ T7052] dump_stack+0x1c/0x5c [ 229.918310][ T7052] sysfs_create_dir_ns+0x244/0x264 [ 229.919033][ T7052] kobject_add_internal+0x5ac/0xc3c [ 229.919751][ T7052] kobject_init_and_add+0x124/0x190 [ 229.920503][ T7052] gfs2_sys_fs_add+0x200/0x41c [ 229.921223][ T7052] gfs2_fill_super+0xddc/0x1a18 [ 229.921964][ T7052] get_tree_bdev+0x358/0x544 [ 229.922640][ T7052] gfs2_get_tree+0x54/0x1b4 [ 229.923381][ T7052] vfs_get_tree+0x90/0x274 [ 229.924059][ T7052] do_new_mount+0x228/0x810 [ 229.924697][ T7052] path_mount+0x5bc/0x1008 [ 229.925377][ T7052] __arm64_sys_mount+0x514/0x5f0 [ 229.926070][ T7052] invoke_syscall+0x98/0x2b0 [ 229.926716][ T7052] el0_svc_common+0x138/0x258 [ 229.927425][ T7052] do_el0_svc+0x58/0x13c [ 229.928033][ T7052] el0_svc+0x78/0x1d0 [ 229.928610][ T7052] el0t_64_sync_handler+0xcc/0xe4 [ 229.929289][ T7052] el0t_64_sync+0x1a0/0x1a4 [ 229.931528][ T7052] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 229.933404][ T7052] gfs2: fsid=](_: error -17 adding sysfs files [ 230.134400][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.135469][ T7055] CPU: 0 PID: 7055 Comm: syz.1.683 Not tainted syzkaller #0 [ 230.136561][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.138062][ T7055] Call trace: [ 230.138512][ T7055] dump_backtrace+0x0/0x458 [ 230.139182][ T7055] show_stack+0x2c/0x3c [ 230.139826][ T7055] __dump_stack+0x30/0x40 [ 230.140529][ T7055] dump_stack_lvl+0xf4/0x15c [ 230.141179][ T7055] dump_stack+0x1c/0x5c [ 230.141825][ T7055] sysfs_create_dir_ns+0x244/0x264 [ 230.142607][ T7055] kobject_add_internal+0x5ac/0xc3c [ 230.143341][ T7055] kobject_init_and_add+0x124/0x190 [ 230.144093][ T7055] gfs2_sys_fs_add+0x200/0x41c [ 230.144825][ T7055] gfs2_fill_super+0xddc/0x1a18 [ 230.145505][ T7055] get_tree_bdev+0x358/0x544 [ 230.146184][ T7055] gfs2_get_tree+0x54/0x1b4 [ 230.146836][ T7055] vfs_get_tree+0x90/0x274 [ 230.147424][ T7055] do_new_mount+0x228/0x810 [ 230.148056][ T7055] path_mount+0x5bc/0x1008 [ 230.148762][ T7055] __arm64_sys_mount+0x514/0x5f0 [ 230.149597][ T7055] invoke_syscall+0x98/0x2b0 [ 230.150305][ T7055] el0_svc_common+0x138/0x258 [ 230.151000][ T7055] do_el0_svc+0x58/0x13c [ 230.151671][ T7055] el0_svc+0x78/0x1d0 [ 230.152280][ T7055] el0t_64_sync_handler+0xcc/0xe4 [ 230.153001][ T7055] el0t_64_sync+0x1a0/0x1a4 [ 230.155114][ T7055] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.157060][ T7055] gfs2: fsid=](_: error -17 adding sysfs files [ 230.335089][ T7058] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.336247][ T7058] CPU: 0 PID: 7058 Comm: syz.1.684 Not tainted syzkaller #0 [ 230.337334][ T7058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.338776][ T7058] Call trace: [ 230.339332][ T7058] dump_backtrace+0x0/0x458 [ 230.340004][ T7058] show_stack+0x2c/0x3c [ 230.340598][ T7058] __dump_stack+0x30/0x40 [ 230.341236][ T7058] dump_stack_lvl+0xf4/0x15c [ 230.341906][ T7058] dump_stack+0x1c/0x5c [ 230.342539][ T7058] sysfs_create_dir_ns+0x244/0x264 [ 230.343290][ T7058] kobject_add_internal+0x5ac/0xc3c [ 230.344003][ T7058] kobject_init_and_add+0x124/0x190 [ 230.344798][ T7058] gfs2_sys_fs_add+0x200/0x41c [ 230.345650][ T7058] gfs2_fill_super+0xddc/0x1a18 [ 230.346419][ T7058] get_tree_bdev+0x358/0x544 [ 230.347134][ T7058] gfs2_get_tree+0x54/0x1b4 [ 230.347801][ T7058] vfs_get_tree+0x90/0x274 [ 230.348402][ T7058] do_new_mount+0x228/0x810 [ 230.349144][ T7058] path_mount+0x5bc/0x1008 [ 230.349846][ T7058] __arm64_sys_mount+0x514/0x5f0 [ 230.350633][ T7058] invoke_syscall+0x98/0x2b0 [ 230.351335][ T7058] el0_svc_common+0x138/0x258 [ 230.352003][ T7058] do_el0_svc+0x58/0x13c [ 230.352596][ T7058] el0_svc+0x78/0x1d0 [ 230.353191][ T7058] el0t_64_sync_handler+0xcc/0xe4 [ 230.353926][ T7058] el0t_64_sync+0x1a0/0x1a4 [ 230.356121][ T7058] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.358013][ T7058] gfs2: fsid=](_: error -17 adding sysfs files [ 230.535327][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.536504][ T7061] CPU: 1 PID: 7061 Comm: syz.1.685 Not tainted syzkaller #0 [ 230.537538][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.539129][ T7061] Call trace: [ 230.539605][ T7061] dump_backtrace+0x0/0x458 [ 230.540308][ T7061] show_stack+0x2c/0x3c [ 230.540949][ T7061] __dump_stack+0x30/0x40 [ 230.541584][ T7061] dump_stack_lvl+0xf4/0x15c [ 230.542211][ T7061] dump_stack+0x1c/0x5c [ 230.542806][ T7061] sysfs_create_dir_ns+0x244/0x264 [ 230.543582][ T7061] kobject_add_internal+0x5ac/0xc3c [ 230.544363][ T7061] kobject_init_and_add+0x124/0x190 [ 230.545122][ T7061] gfs2_sys_fs_add+0x200/0x41c [ 230.545902][ T7061] gfs2_fill_super+0xddc/0x1a18 [ 230.546633][ T7061] get_tree_bdev+0x358/0x544 [ 230.547343][ T7061] gfs2_get_tree+0x54/0x1b4 [ 230.547991][ T7061] vfs_get_tree+0x90/0x274 [ 230.548628][ T7061] do_new_mount+0x228/0x810 [ 230.549251][ T7061] path_mount+0x5bc/0x1008 [ 230.549848][ T7061] __arm64_sys_mount+0x514/0x5f0 [ 230.550552][ T7061] invoke_syscall+0x98/0x2b0 [ 230.551262][ T7061] el0_svc_common+0x138/0x258 [ 230.551965][ T7061] do_el0_svc+0x58/0x13c [ 230.552533][ T7061] el0_svc+0x78/0x1d0 [ 230.553184][ T7061] el0t_64_sync_handler+0xcc/0xe4 [ 230.553930][ T7061] el0t_64_sync+0x1a0/0x1a4 [ 230.556098][ T7061] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.558046][ T7061] gfs2: fsid=](_: error -17 adding sysfs files [ 230.700696][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.701936][ T7064] CPU: 0 PID: 7064 Comm: syz.1.686 Not tainted syzkaller #0 [ 230.702993][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.704457][ T7064] Call trace: [ 230.704961][ T7064] dump_backtrace+0x0/0x458 [ 230.705585][ T7064] show_stack+0x2c/0x3c [ 230.706220][ T7064] __dump_stack+0x30/0x40 [ 230.706922][ T7064] dump_stack_lvl+0xf4/0x15c [ 230.707608][ T7064] dump_stack+0x1c/0x5c [ 230.708265][ T7064] sysfs_create_dir_ns+0x244/0x264 [ 230.709011][ T7064] kobject_add_internal+0x5ac/0xc3c [ 230.709881][ T7064] kobject_init_and_add+0x124/0x190 [ 230.710704][ T7064] gfs2_sys_fs_add+0x200/0x41c [ 230.711415][ T7064] gfs2_fill_super+0xddc/0x1a18 [ 230.712129][ T7064] get_tree_bdev+0x358/0x544 [ 230.712836][ T7064] gfs2_get_tree+0x54/0x1b4 [ 230.713513][ T7064] vfs_get_tree+0x90/0x274 [ 230.714152][ T7064] do_new_mount+0x228/0x810 [ 230.714751][ T7064] path_mount+0x5bc/0x1008 [ 230.715412][ T7064] __arm64_sys_mount+0x514/0x5f0 [ 230.716159][ T7064] invoke_syscall+0x98/0x2b0 [ 230.716888][ T7064] el0_svc_common+0x138/0x258 [ 230.717609][ T7064] do_el0_svc+0x58/0x13c [ 230.718251][ T7064] el0_svc+0x78/0x1d0 [ 230.718826][ T7064] el0t_64_sync_handler+0xcc/0xe4 [ 230.719597][ T7064] el0t_64_sync+0x1a0/0x1a4 [ 230.721607][ T7064] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.723471][ T7064] gfs2: fsid=](_: error -17 adding sysfs files [ 230.896266][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 230.897390][ T7067] CPU: 0 PID: 7067 Comm: syz.1.687 Not tainted syzkaller #0 [ 230.898460][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.900036][ T7067] Call trace: [ 230.900535][ T7067] dump_backtrace+0x0/0x458 [ 230.901205][ T7067] show_stack+0x2c/0x3c [ 230.901815][ T7067] __dump_stack+0x30/0x40 [ 230.902458][ T7067] dump_stack_lvl+0xf4/0x15c [ 230.903138][ T7067] dump_stack+0x1c/0x5c [ 230.903743][ T7067] sysfs_create_dir_ns+0x244/0x264 [ 230.904467][ T7067] kobject_add_internal+0x5ac/0xc3c [ 230.905323][ T7067] kobject_init_and_add+0x124/0x190 [ 230.906083][ T7067] gfs2_sys_fs_add+0x200/0x41c [ 230.906758][ T7067] gfs2_fill_super+0xddc/0x1a18 [ 230.907491][ T7067] get_tree_bdev+0x358/0x544 [ 230.908205][ T7067] gfs2_get_tree+0x54/0x1b4 [ 230.908907][ T7067] vfs_get_tree+0x90/0x274 [ 230.909587][ T7067] do_new_mount+0x228/0x810 [ 230.910284][ T7067] path_mount+0x5bc/0x1008 [ 230.910976][ T7067] __arm64_sys_mount+0x514/0x5f0 [ 230.911717][ T7067] invoke_syscall+0x98/0x2b0 [ 230.912425][ T7067] el0_svc_common+0x138/0x258 [ 230.913167][ T7067] do_el0_svc+0x58/0x13c [ 230.913780][ T7067] el0_svc+0x78/0x1d0 [ 230.914400][ T7067] el0t_64_sync_handler+0xcc/0xe4 [ 230.915186][ T7067] el0t_64_sync+0x1a0/0x1a4 [ 230.916100][ T7067] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 230.918069][ T7067] gfs2: fsid=](_: error -17 adding sysfs files [ 231.059728][ T7070] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.060847][ T7070] CPU: 1 PID: 7070 Comm: syz.1.688 Not tainted syzkaller #0 [ 231.061950][ T7070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.063375][ T7070] Call trace: [ 231.063860][ T7070] dump_backtrace+0x0/0x458 [ 231.064502][ T7070] show_stack+0x2c/0x3c [ 231.065140][ T7070] __dump_stack+0x30/0x40 [ 231.065780][ T7070] dump_stack_lvl+0xf4/0x15c [ 231.066447][ T7070] dump_stack+0x1c/0x5c [ 231.067076][ T7070] sysfs_create_dir_ns+0x244/0x264 [ 231.067827][ T7070] kobject_add_internal+0x5ac/0xc3c [ 231.068605][ T7070] kobject_init_and_add+0x124/0x190 [ 231.069399][ T7070] gfs2_sys_fs_add+0x200/0x41c [ 231.070110][ T7070] gfs2_fill_super+0xddc/0x1a18 [ 231.070775][ T7070] get_tree_bdev+0x358/0x544 [ 231.071455][ T7070] gfs2_get_tree+0x54/0x1b4 [ 231.072160][ T7070] vfs_get_tree+0x90/0x274 [ 231.072900][ T7070] do_new_mount+0x228/0x810 [ 231.073591][ T7070] path_mount+0x5bc/0x1008 [ 231.074264][ T7070] __arm64_sys_mount+0x514/0x5f0 [ 231.074994][ T7070] invoke_syscall+0x98/0x2b0 [ 231.075682][ T7070] el0_svc_common+0x138/0x258 [ 231.076420][ T7070] do_el0_svc+0x58/0x13c [ 231.077114][ T7070] el0_svc+0x78/0x1d0 [ 231.077732][ T7070] el0t_64_sync_handler+0xcc/0xe4 [ 231.078548][ T7070] el0t_64_sync+0x1a0/0x1a4 [ 231.080619][ T7070] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.082526][ T7070] gfs2: fsid=](_: error -17 adding sysfs files [ 231.226848][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.228167][ T7073] CPU: 0 PID: 7073 Comm: syz.1.689 Not tainted syzkaller #0 [ 231.229177][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.230605][ T7073] Call trace: [ 231.231068][ T7073] dump_backtrace+0x0/0x458 [ 231.231703][ T7073] show_stack+0x2c/0x3c [ 231.232352][ T7073] __dump_stack+0x30/0x40 [ 231.232974][ T7073] dump_stack_lvl+0xf4/0x15c [ 231.233621][ T7073] dump_stack+0x1c/0x5c [ 231.234213][ T7073] sysfs_create_dir_ns+0x244/0x264 [ 231.234923][ T7073] kobject_add_internal+0x5ac/0xc3c [ 231.235661][ T7073] kobject_init_and_add+0x124/0x190 [ 231.236372][ T7073] gfs2_sys_fs_add+0x200/0x41c [ 231.237056][ T7073] gfs2_fill_super+0xddc/0x1a18 [ 231.237739][ T7073] get_tree_bdev+0x358/0x544 [ 231.238381][ T7073] gfs2_get_tree+0x54/0x1b4 [ 231.239027][ T7073] vfs_get_tree+0x90/0x274 [ 231.239669][ T7073] do_new_mount+0x228/0x810 [ 231.240331][ T7073] path_mount+0x5bc/0x1008 [ 231.240969][ T7073] __arm64_sys_mount+0x514/0x5f0 [ 231.241655][ T7073] invoke_syscall+0x98/0x2b0 [ 231.242322][ T7073] el0_svc_common+0x138/0x258 [ 231.242992][ T7073] do_el0_svc+0x58/0x13c [ 231.243611][ T7073] el0_svc+0x78/0x1d0 [ 231.244160][ T7073] el0t_64_sync_handler+0xcc/0xe4 [ 231.244898][ T7073] el0t_64_sync+0x1a0/0x1a4 [ 231.247390][ T7073] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.249306][ T7073] gfs2: fsid=](_: error -17 adding sysfs files [ 231.423921][ T7076] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.425054][ T7076] CPU: 0 PID: 7076 Comm: syz.1.690 Not tainted syzkaller #0 [ 231.426095][ T7076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.427458][ T7076] Call trace: [ 231.427941][ T7076] dump_backtrace+0x0/0x458 [ 231.428583][ T7076] show_stack+0x2c/0x3c [ 231.429232][ T7076] __dump_stack+0x30/0x40 [ 231.429916][ T7076] dump_stack_lvl+0xf4/0x15c [ 231.430605][ T7076] dump_stack+0x1c/0x5c [ 231.431216][ T7076] sysfs_create_dir_ns+0x244/0x264 [ 231.431949][ T7076] kobject_add_internal+0x5ac/0xc3c [ 231.432760][ T7076] kobject_init_and_add+0x124/0x190 [ 231.433581][ T7076] gfs2_sys_fs_add+0x200/0x41c [ 231.434425][ T7076] gfs2_fill_super+0xddc/0x1a18 [ 231.435156][ T7076] get_tree_bdev+0x358/0x544 [ 231.435815][ T7076] gfs2_get_tree+0x54/0x1b4 [ 231.436482][ T7076] vfs_get_tree+0x90/0x274 [ 231.437094][ T7076] do_new_mount+0x228/0x810 [ 231.437715][ T7076] path_mount+0x5bc/0x1008 [ 231.438372][ T7076] __arm64_sys_mount+0x514/0x5f0 [ 231.439083][ T7076] invoke_syscall+0x98/0x2b0 [ 231.439763][ T7076] el0_svc_common+0x138/0x258 [ 231.440437][ T7076] do_el0_svc+0x58/0x13c [ 231.441060][ T7076] el0_svc+0x78/0x1d0 [ 231.441734][ T7076] el0t_64_sync_handler+0xcc/0xe4 [ 231.442573][ T7076] el0t_64_sync+0x1a0/0x1a4 [ 231.444926][ T7076] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.446905][ T7076] gfs2: fsid=](_: error -17 adding sysfs files [ 231.660255][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.661382][ T7079] CPU: 1 PID: 7079 Comm: syz.1.691 Not tainted syzkaller #0 [ 231.662469][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.663934][ T7079] Call trace: [ 231.664422][ T7079] dump_backtrace+0x0/0x458 [ 231.665084][ T7079] show_stack+0x2c/0x3c [ 231.665768][ T7079] __dump_stack+0x30/0x40 [ 231.666455][ T7079] dump_stack_lvl+0xf4/0x15c [ 231.667041][ T7079] dump_stack+0x1c/0x5c [ 231.667573][ T7079] sysfs_create_dir_ns+0x244/0x264 [ 231.668273][ T7079] kobject_add_internal+0x5ac/0xc3c [ 231.668916][ T7079] kobject_init_and_add+0x124/0x190 [ 231.669684][ T7079] gfs2_sys_fs_add+0x200/0x41c [ 231.670420][ T7079] gfs2_fill_super+0xddc/0x1a18 [ 231.671136][ T7079] get_tree_bdev+0x358/0x544 [ 231.671840][ T7079] gfs2_get_tree+0x54/0x1b4 [ 231.672539][ T7079] vfs_get_tree+0x90/0x274 [ 231.673258][ T7079] do_new_mount+0x228/0x810 [ 231.674071][ T7079] path_mount+0x5bc/0x1008 [ 231.674722][ T7079] __arm64_sys_mount+0x514/0x5f0 [ 231.675476][ T7079] invoke_syscall+0x98/0x2b0 [ 231.676181][ T7079] el0_svc_common+0x138/0x258 [ 231.676872][ T7079] do_el0_svc+0x58/0x13c [ 231.677461][ T7079] el0_svc+0x78/0x1d0 [ 231.678031][ T7079] el0t_64_sync_handler+0xcc/0xe4 [ 231.678773][ T7079] el0t_64_sync+0x1a0/0x1a4 [ 231.689308][ T7079] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.691273][ T7079] gfs2: fsid=](_: error -17 adding sysfs files 1970/01/01 00:03:51 executed programs: 678 [ 231.826163][ T7082] set_capacity_and_notify: 14 callbacks suppressed [ 231.826174][ T7082] loop1: detected capacity change from 0 to 32768 [ 231.860726][ T7082] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 231.861833][ T7082] CPU: 1 PID: 7082 Comm: syz.1.692 Not tainted syzkaller #0 [ 231.862953][ T7082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.864396][ T7082] Call trace: [ 231.864836][ T7082] dump_backtrace+0x0/0x458 [ 231.865501][ T7082] show_stack+0x2c/0x3c [ 231.866121][ T7082] __dump_stack+0x30/0x40 [ 231.866764][ T7082] dump_stack_lvl+0xf4/0x15c [ 231.867397][ T7082] dump_stack+0x1c/0x5c [ 231.867988][ T7082] sysfs_create_dir_ns+0x244/0x264 [ 231.868767][ T7082] kobject_add_internal+0x5ac/0xc3c [ 231.869542][ T7082] kobject_init_and_add+0x124/0x190 [ 231.870286][ T7082] gfs2_sys_fs_add+0x200/0x41c [ 231.871009][ T7082] gfs2_fill_super+0xddc/0x1a18 [ 231.871709][ T7082] get_tree_bdev+0x358/0x544 [ 231.872372][ T7082] gfs2_get_tree+0x54/0x1b4 [ 231.873011][ T7082] vfs_get_tree+0x90/0x274 [ 231.873663][ T7082] do_new_mount+0x228/0x810 [ 231.874321][ T7082] path_mount+0x5bc/0x1008 [ 231.874952][ T7082] __arm64_sys_mount+0x514/0x5f0 [ 231.875701][ T7082] invoke_syscall+0x98/0x2b0 [ 231.876381][ T7082] el0_svc_common+0x138/0x258 [ 231.877058][ T7082] do_el0_svc+0x58/0x13c [ 231.877660][ T7082] el0_svc+0x78/0x1d0 [ 231.878225][ T7082] el0t_64_sync_handler+0xcc/0xe4 [ 231.878957][ T7082] el0t_64_sync+0x1a0/0x1a4 [ 231.879896][ T7082] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 231.881745][ T7082] gfs2: fsid=](_: error -17 adding sysfs files [ 232.041487][ T7085] loop1: detected capacity change from 0 to 32768 [ 232.106408][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.107584][ T7085] CPU: 1 PID: 7085 Comm: syz.1.693 Not tainted syzkaller #0 [ 232.108701][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.110235][ T7085] Call trace: [ 232.110696][ T7085] dump_backtrace+0x0/0x458 [ 232.111389][ T7085] show_stack+0x2c/0x3c [ 232.112031][ T7085] __dump_stack+0x30/0x40 [ 232.112701][ T7085] dump_stack_lvl+0xf4/0x15c [ 232.113408][ T7085] dump_stack+0x1c/0x5c [ 232.114041][ T7085] sysfs_create_dir_ns+0x244/0x264 [ 232.114797][ T7085] kobject_add_internal+0x5ac/0xc3c [ 232.115612][ T7085] kobject_init_and_add+0x124/0x190 [ 232.116450][ T7085] gfs2_sys_fs_add+0x200/0x41c [ 232.117190][ T7085] gfs2_fill_super+0xddc/0x1a18 [ 232.117891][ T7085] get_tree_bdev+0x358/0x544 [ 232.118565][ T7085] gfs2_get_tree+0x54/0x1b4 [ 232.119220][ T7085] vfs_get_tree+0x90/0x274 [ 232.119831][ T7085] do_new_mount+0x228/0x810 [ 232.120503][ T7085] path_mount+0x5bc/0x1008 [ 232.121110][ T7085] __arm64_sys_mount+0x514/0x5f0 [ 232.121902][ T7085] invoke_syscall+0x98/0x2b0 [ 232.122597][ T7085] el0_svc_common+0x138/0x258 [ 232.123278][ T7085] do_el0_svc+0x58/0x13c [ 232.123906][ T7085] el0_svc+0x78/0x1d0 [ 232.124451][ T7085] el0t_64_sync_handler+0xcc/0xe4 [ 232.125194][ T7085] el0t_64_sync+0x1a0/0x1a4 [ 232.126094][ T7085] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.127986][ T7085] gfs2: fsid=](_: error -17 adding sysfs files [ 232.261429][ T7088] loop1: detected capacity change from 0 to 32768 [ 232.304258][ T7088] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.305434][ T7088] CPU: 1 PID: 7088 Comm: syz.1.694 Not tainted syzkaller #0 [ 232.306507][ T7088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.308013][ T7088] Call trace: [ 232.308471][ T7088] dump_backtrace+0x0/0x458 [ 232.309129][ T7088] show_stack+0x2c/0x3c [ 232.309729][ T7088] __dump_stack+0x30/0x40 [ 232.310380][ T7088] dump_stack_lvl+0xf4/0x15c [ 232.311004][ T7088] dump_stack+0x1c/0x5c [ 232.311606][ T7088] sysfs_create_dir_ns+0x244/0x264 [ 232.312375][ T7088] kobject_add_internal+0x5ac/0xc3c [ 232.313120][ T7088] kobject_init_and_add+0x124/0x190 [ 232.313884][ T7088] gfs2_sys_fs_add+0x200/0x41c [ 232.314572][ T7088] gfs2_fill_super+0xddc/0x1a18 [ 232.315324][ T7088] get_tree_bdev+0x358/0x544 [ 232.316034][ T7088] gfs2_get_tree+0x54/0x1b4 [ 232.316696][ T7088] vfs_get_tree+0x90/0x274 [ 232.317364][ T7088] do_new_mount+0x228/0x810 [ 232.318044][ T7088] path_mount+0x5bc/0x1008 [ 232.318716][ T7088] __arm64_sys_mount+0x514/0x5f0 [ 232.319483][ T7088] invoke_syscall+0x98/0x2b0 [ 232.320210][ T7088] el0_svc_common+0x138/0x258 [ 232.320878][ T7088] do_el0_svc+0x58/0x13c [ 232.321502][ T7088] el0_svc+0x78/0x1d0 [ 232.322126][ T7088] el0t_64_sync_handler+0xcc/0xe4 [ 232.322854][ T7088] el0t_64_sync+0x1a0/0x1a4 [ 232.324949][ T7088] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.326917][ T7088] gfs2: fsid=](_: error -17 adding sysfs files [ 232.466291][ T7091] loop1: detected capacity change from 0 to 32768 [ 232.516143][ T7091] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.517314][ T7091] CPU: 1 PID: 7091 Comm: syz.1.695 Not tainted syzkaller #0 [ 232.518353][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.519762][ T7091] Call trace: [ 232.520222][ T7091] dump_backtrace+0x0/0x458 [ 232.520876][ T7091] show_stack+0x2c/0x3c [ 232.521487][ T7091] __dump_stack+0x30/0x40 [ 232.522163][ T7091] dump_stack_lvl+0xf4/0x15c [ 232.522832][ T7091] dump_stack+0x1c/0x5c [ 232.523443][ T7091] sysfs_create_dir_ns+0x244/0x264 [ 232.524273][ T7091] kobject_add_internal+0x5ac/0xc3c [ 232.524991][ T7091] kobject_init_and_add+0x124/0x190 [ 232.525742][ T7091] gfs2_sys_fs_add+0x200/0x41c [ 232.526451][ T7091] gfs2_fill_super+0xddc/0x1a18 [ 232.527122][ T7091] get_tree_bdev+0x358/0x544 [ 232.527774][ T7091] gfs2_get_tree+0x54/0x1b4 [ 232.528392][ T7091] vfs_get_tree+0x90/0x274 [ 232.529051][ T7091] do_new_mount+0x228/0x810 [ 232.529726][ T7091] path_mount+0x5bc/0x1008 [ 232.530397][ T7091] __arm64_sys_mount+0x514/0x5f0 [ 232.531108][ T7091] invoke_syscall+0x98/0x2b0 [ 232.531843][ T7091] el0_svc_common+0x138/0x258 [ 232.532536][ T7091] do_el0_svc+0x58/0x13c [ 232.533168][ T7091] el0_svc+0x78/0x1d0 [ 232.533719][ T7091] el0t_64_sync_handler+0xcc/0xe4 [ 232.534420][ T7091] el0t_64_sync+0x1a0/0x1a4 [ 232.536988][ T7091] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.538882][ T7091] gfs2: fsid=](_: error -17 adding sysfs files [ 232.676161][ T7094] loop1: detected capacity change from 0 to 32768 [ 232.683033][ T7094] sysfs: cannot create duplicate filename '/fs/gfs2/](_' [ 232.684230][ T7094] CPU: 0 PID: 7094 Comm: syz.1.696 Not tainted syzkaller #0 [ 232.685274][ T7094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.686793][ T7094] Call trace: [ 232.687277][ T7094] dump_backtrace+0x0/0x458 [ 232.687942][ T7094] show_stack+0x2c/0x3c [ 232.688543][ T7094] __dump_stack+0x30/0x40 [ 232.689185][ T7094] dump_stack_lvl+0xf4/0x15c [ 232.689897][ T7094] dump_stack+0x1c/0x5c [ 232.690471][ T7094] sysfs_create_dir_ns+0x244/0x264 [ 232.691263][ T7094] kobject_add_internal+0x5ac/0xc3c [ 232.692002][ T7094] kobject_init_and_add+0x124/0x190 [ 232.692793][ T7094] gfs2_sys_fs_add+0x200/0x41c [ 232.693479][ T7094] gfs2_fill_super+0xddc/0x1a18 [ 232.694144][ T7094] get_tree_bdev+0x358/0x544 [ 232.694832][ T7094] gfs2_get_tree+0x54/0x1b4 [ 232.695459][ T7094] vfs_get_tree+0x90/0x274 [ 232.696081][ T7094] do_new_mount+0x228/0x810 [ 232.696718][ T7094] path_mount+0x5bc/0x1008 [ 232.697347][ T7094] __arm64_sys_mount+0x514/0x5f0 [ 232.698034][ T7094] invoke_syscall+0x98/0x2b0 [ 232.698676][ T7094] el0_svc_common+0x138/0x258 [ 232.699362][ T7094] do_el0_svc+0x58/0x13c [ 232.699963][ T7094] el0_svc+0x78/0x1d0 [ 232.700554][ T7094] el0t_64_sync_handler+0xcc/0xe4 [ 232.701282][ T7094] el0t_64_sync+0x1a0/0x1a4 [ 232.703963][ T7094] kobject_add_internal failed for ](_ with -EEXIST, don't try to register things with the same name in the same directory. [ 232.705759][ T7094] gfs2: fsid=](_: error -17 adding sysfs files [ 232.809313][ T27] INFO: task syz-executor:4833 blocked for more than 143 seconds. [ 232.810624][ T27] Not tainted syzkaller #0 [ 232.811387][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 232.812578][ T27] task:syz-executor state:D stack: 0 pid: 4833 ppid: 1 flags:0x00000001 [ 232.814028][ T27] Call trace: [ 232.814487][ T27] __switch_to+0x2f4/0x540 [ 232.815136][ T27] __schedule+0xdfc/0x1bc4 [ 232.815780][ T27] schedule+0x11c/0x1c8 [ 232.816414][ T27] bit_wait+0x1c/0xac [ 232.816995][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 232.817816][ T27] gfs2_glock_nq+0x8f8/0x1404 [ 232.818489][ T27] __gfs2_lookup+0x120/0x28c [ 232.820264][ T27] gfs2_lookup+0x2c/0x3c [ 232.820922][ T27] __lookup_slow+0x25c/0x39c [ 232.821644][ T27] lookup_slow+0x5c/0x80 [ 232.822294][ T27] walk_component+0x2b0/0x3a8 [ 232.822993][ T27] path_lookupat+0x13c/0x3d0 [ 232.823658][ T27] filename_lookup+0x1b4/0x464 [ 232.824302][ T27] user_path_at_empty+0x5c/0x1a0 [ 232.825038][ T27] __arm64_sys_umount+0xf8/0x184 [ 232.825770][ T27] invoke_syscall+0x98/0x2b0 [ 232.826418][ T27] el0_svc_common+0x138/0x258 [ 232.827063][ T27] do_el0_svc+0x58/0x13c [ 232.827669][ T27] el0_svc+0x78/0x1d0 [ 232.828298][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 232.829034][ T27] el0t_64_sync+0x1a0/0x1a4 [ 232.830642][ T27] [ 232.830642][ T27] Showing all locks held in the system: [ 232.831809][ T27] 1 lock held by khungtaskd/27: [ 232.832467][ T27] #0: ffff800014461360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 232.833886][ T27] 2 locks held by getty/3804: [ 232.834581][ T27] #0: ffff0000d3202098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 232.836001][ T27] #1: ffff80001be6e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 232.837595][ T27] 1 lock held by syz-executor/4833: [ 232.838387][ T27] #0: ffff0000e229d2b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 232.840453][ T27] 2 locks held by syz.1.697/7097: [ 232.841227][ T27] [ 232.841574][ T27] ============================================= [ 232.841574][ T27] [ 232.842788][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 232.843772][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 232.844752][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.846235][ T27] Call trace: [ 232.846706][ T27] dump_backtrace+0x0/0x458 [ 232.847334][ T27] show_stack+0x2c/0x3c [ 232.847918][ T27] __dump_stack+0x30/0x40 [ 232.848518][ T27] dump_stack_lvl+0xf4/0x15c [ 232.849237][ T27] dump_stack+0x1c/0x5c [ 232.849813][ T27] panic+0x2fc/0x860 [ 232.850438][ T27] hung_task_panic+0x0/0x2c [ 232.851085][ T27] kthread+0x374/0x454 [ 232.851691][ T27] ret_from_fork+0x10/0x20 [ 232.852297][ T7097] loop1: detected capacity change from 0 to 32768 [ 232.853255][ T27] SMP: stopping secondary CPUs [ 232.854005][ T27] Kernel Offset: disabled [ 232.854618][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 232.855397][ T27] Memory Limit: none [ 233.184307][ T27] Rebooting in 86400 seconds..