+0x2c/0x3c [ 196.476280][ T6091] __dump_stack+0x30/0x40 [ 196.477283][ T6091] dump_stack_lvl+0xf4/0x15c [ 196.478155][ T6091] dump_stack+0x1c/0x5c [ 196.479071][ T6091] sysfs_create_dir_ns+0x244/0x264 [ 196.480099][ T6091] kobject_add_internal+0x594/0xc2c [ 196.481060][ T6091] kobject_init_and_add+0x128/0x194 [ 196.482063][ T6091] gfs2_sys_fs_add+0x208/0x428 [ 196.483043][ T6091] gfs2_fill_super+0xe20/0x1a9c [ 196.483962][ T6091] get_tree_bdev+0x35c/0x54c [ 196.484877][ T6091] gfs2_get_tree+0x58/0x1b8 [ 196.485757][ T6091] vfs_get_tree+0x90/0x278 [ 196.486649][ T6091] do_new_mount+0x228/0x818 [ 196.487565][ T6091] path_mount+0x57c/0xfe8 [ 196.488410][ T6091] __arm64_sys_mount+0x488/0x5f8 [ 196.489429][ T6091] invoke_syscall+0x98/0x28c [ 196.490430][ T6091] el0_svc_common+0x13c/0x258 [ 196.491358][ T6091] do_el0_svc+0x5c/0x140 [ 196.492211][ T6091] el0_svc+0x78/0x1d4 [ 196.493047][ T6091] el0t_64_sync_handler+0xcc/0xe4 [ 196.494086][ T6091] el0t_64_sync+0x1a0/0x1a4 [ 196.496924][ T6091] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 196.500089][ T6091] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 196.636576][ T6094] loop1: detected capacity change from 0 to 32768 [ 196.739256][ T6094] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 196.741297][ T6094] CPU: 1 PID: 6094 Comm: syz.1.446 Not tainted syzkaller #0 [ 196.742759][ T6094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.744833][ T6094] Call trace: [ 196.745515][ T6094] dump_backtrace+0x0/0x458 [ 196.746534][ T6094] show_stack+0x2c/0x3c [ 196.747432][ T6094] __dump_stack+0x30/0x40 [ 196.748406][ T6094] dump_stack_lvl+0xf4/0x15c [ 196.749432][ T6094] dump_stack+0x1c/0x5c [ 196.750246][ T6094] sysfs_create_dir_ns+0x244/0x264 [ 196.751222][ T6094] kobject_add_internal+0x594/0xc2c [ 196.752392][ T6094] kobject_init_and_add+0x128/0x194 [ 196.753455][ T6094] gfs2_sys_fs_add+0x208/0x428 [ 196.754378][ T6094] gfs2_fill_super+0xe20/0x1a9c [ 196.755304][ T6094] get_tree_bdev+0x35c/0x54c [ 196.756240][ T6094] gfs2_get_tree+0x58/0x1b8 [ 196.757060][ T6094] vfs_get_tree+0x90/0x278 [ 196.757860][ T6094] do_new_mount+0x228/0x818 [ 196.758720][ T6094] path_mount+0x57c/0xfe8 [ 196.759559][ T6094] __arm64_sys_mount+0x488/0x5f8 [ 196.760548][ T6094] invoke_syscall+0x98/0x28c [ 196.761559][ T6094] el0_svc_common+0x13c/0x258 [ 196.762526][ T6094] do_el0_svc+0x5c/0x140 [ 196.763413][ T6094] el0_svc+0x78/0x1d4 [ 196.764282][ T6094] el0t_64_sync_handler+0xcc/0xe4 [ 196.765425][ T6094] el0t_64_sync+0x1a0/0x1a4 [ 196.767863][ T6094] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 196.770813][ T6094] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 196.954434][ T6097] loop1: detected capacity change from 0 to 32768 [ 196.962627][ T6097] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 196.964966][ T6097] CPU: 1 PID: 6097 Comm: syz.1.447 Not tainted syzkaller #0 [ 196.966351][ T6097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 196.968459][ T6097] Call trace: [ 196.969184][ T6097] dump_backtrace+0x0/0x458 [ 196.970126][ T6097] show_stack+0x2c/0x3c [ 196.970904][ T6097] __dump_stack+0x30/0x40 [ 196.971811][ T6097] dump_stack_lvl+0xf4/0x15c [ 196.972754][ T6097] dump_stack+0x1c/0x5c [ 196.973598][ T6097] sysfs_create_dir_ns+0x244/0x264 [ 196.974750][ T6097] kobject_add_internal+0x594/0xc2c [ 196.975864][ T6097] kobject_init_and_add+0x128/0x194 [ 196.977027][ T6097] gfs2_sys_fs_add+0x208/0x428 [ 196.978018][ T6097] gfs2_fill_super+0xe20/0x1a9c [ 196.979059][ T6097] get_tree_bdev+0x35c/0x54c [ 196.980050][ T6097] gfs2_get_tree+0x58/0x1b8 [ 196.980973][ T6097] vfs_get_tree+0x90/0x278 [ 196.981867][ T6097] do_new_mount+0x228/0x818 [ 196.982814][ T6097] path_mount+0x57c/0xfe8 [ 196.983675][ T6097] __arm64_sys_mount+0x488/0x5f8 [ 196.984734][ T6097] invoke_syscall+0x98/0x28c [ 196.985738][ T6097] el0_svc_common+0x13c/0x258 [ 196.986744][ T6097] do_el0_svc+0x5c/0x140 [ 196.987653][ T6097] el0_svc+0x78/0x1d4 [ 196.988526][ T6097] el0t_64_sync_handler+0xcc/0xe4 [ 196.989621][ T6097] el0t_64_sync+0x1a0/0x1a4 [ 196.992352][ T6097] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 196.995566][ T6097] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 197.175661][ T6100] loop1: detected capacity change from 0 to 32768 [ 197.225487][ T6100] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 197.228346][ T6100] CPU: 1 PID: 6100 Comm: syz.1.448 Not tainted syzkaller #0 [ 197.229909][ T6100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.231770][ T6100] Call trace: [ 197.232477][ T6100] dump_backtrace+0x0/0x458 [ 197.233452][ T6100] show_stack+0x2c/0x3c [ 197.234365][ T6100] __dump_stack+0x30/0x40 [ 197.235281][ T6100] dump_stack_lvl+0xf4/0x15c [ 197.236325][ T6100] dump_stack+0x1c/0x5c [ 197.237254][ T6100] sysfs_create_dir_ns+0x244/0x264 [ 197.238373][ T6100] kobject_add_internal+0x594/0xc2c [ 197.239590][ T6100] kobject_init_and_add+0x128/0x194 [ 197.240654][ T6100] gfs2_sys_fs_add+0x208/0x428 [ 197.241689][ T6100] gfs2_fill_super+0xe20/0x1a9c [ 197.242765][ T6100] get_tree_bdev+0x35c/0x54c [ 197.243813][ T6100] gfs2_get_tree+0x58/0x1b8 [ 197.244776][ T6100] vfs_get_tree+0x90/0x278 [ 197.245728][ T6100] do_new_mount+0x228/0x818 [ 197.246650][ T6100] path_mount+0x57c/0xfe8 [ 197.247471][ T6100] __arm64_sys_mount+0x488/0x5f8 [ 197.248465][ T6100] invoke_syscall+0x98/0x28c [ 197.249460][ T6100] el0_svc_common+0x13c/0x258 [ 197.250494][ T6100] do_el0_svc+0x5c/0x140 [ 197.251344][ T6100] el0_svc+0x78/0x1d4 [ 197.252170][ T6100] el0t_64_sync_handler+0xcc/0xe4 [ 197.253194][ T6100] el0t_64_sync+0x1a0/0x1a4 [ 197.255829][ T6100] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 197.259111][ T6100] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 197.443888][ T6103] loop1: detected capacity change from 0 to 32768 [ 197.490250][ T6103] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 197.492381][ T6103] CPU: 0 PID: 6103 Comm: syz.1.449 Not tainted syzkaller #0 [ 197.493942][ T6103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.496014][ T6103] Call trace: [ 197.496752][ T6103] dump_backtrace+0x0/0x458 [ 197.497670][ T6103] show_stack+0x2c/0x3c [ 197.498509][ T6103] __dump_stack+0x30/0x40 [ 197.499356][ T6103] dump_stack_lvl+0xf4/0x15c [ 197.500245][ T6103] dump_stack+0x1c/0x5c [ 197.501119][ T6103] sysfs_create_dir_ns+0x244/0x264 [ 197.502190][ T6103] kobject_add_internal+0x594/0xc2c [ 197.503281][ T6103] kobject_init_and_add+0x128/0x194 [ 197.504386][ T6103] gfs2_sys_fs_add+0x208/0x428 [ 197.505354][ T6103] gfs2_fill_super+0xe20/0x1a9c [ 197.506375][ T6103] get_tree_bdev+0x35c/0x54c [ 197.507381][ T6103] gfs2_get_tree+0x58/0x1b8 [ 197.508383][ T6103] vfs_get_tree+0x90/0x278 [ 197.509311][ T6103] do_new_mount+0x228/0x818 [ 197.510321][ T6103] path_mount+0x57c/0xfe8 [ 197.511209][ T6103] __arm64_sys_mount+0x488/0x5f8 [ 197.512222][ T6103] invoke_syscall+0x98/0x28c [ 197.513218][ T6103] el0_svc_common+0x13c/0x258 [ 197.514297][ T6103] do_el0_svc+0x5c/0x140 [ 197.515143][ T6103] el0_svc+0x78/0x1d4 [ 197.515966][ T6103] el0t_64_sync_handler+0xcc/0xe4 [ 197.516969][ T6103] el0t_64_sync+0x1a0/0x1a4 [ 197.518621][ T6103] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 197.521516][ T6103] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 197.757248][ T6106] loop1: detected capacity change from 0 to 32768 [ 197.766180][ T6106] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 197.768348][ T6106] CPU: 1 PID: 6106 Comm: syz.1.450 Not tainted syzkaller #0 [ 197.769866][ T6106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 197.771808][ T6106] Call trace: [ 197.772397][ T6106] dump_backtrace+0x0/0x458 [ 197.773342][ T6106] show_stack+0x2c/0x3c [ 197.774233][ T6106] __dump_stack+0x30/0x40 [ 197.775107][ T6106] dump_stack_lvl+0xf4/0x15c [ 197.776050][ T6106] dump_stack+0x1c/0x5c [ 197.776889][ T6106] sysfs_create_dir_ns+0x244/0x264 [ 197.777979][ T6106] kobject_add_internal+0x594/0xc2c [ 197.779073][ T6106] kobject_init_and_add+0x128/0x194 [ 197.780096][ T6106] gfs2_sys_fs_add+0x208/0x428 [ 197.781059][ T6106] gfs2_fill_super+0xe20/0x1a9c [ 197.782009][ T6106] get_tree_bdev+0x35c/0x54c [ 197.782896][ T6106] gfs2_get_tree+0x58/0x1b8 [ 197.783808][ T6106] vfs_get_tree+0x90/0x278 [ 197.784739][ T6106] do_new_mount+0x228/0x818 [ 197.785676][ T6106] path_mount+0x57c/0xfe8 [ 197.786496][ T6106] __arm64_sys_mount+0x488/0x5f8 [ 197.787385][ T6106] invoke_syscall+0x98/0x28c [ 197.788228][ T6106] el0_svc_common+0x13c/0x258 [ 197.789158][ T6106] do_el0_svc+0x5c/0x140 [ 197.790048][ T6106] el0_svc+0x78/0x1d4 [ 197.790814][ T6106] el0t_64_sync_handler+0xcc/0xe4 [ 197.791972][ T6106] el0t_64_sync+0x1a0/0x1a4 [ 197.794533][ T6106] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 197.797810][ T6106] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 198.026689][ T6109] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 198.028906][ T6109] CPU: 1 PID: 6109 Comm: syz.1.451 Not tainted syzkaller #0 [ 198.030257][ T6109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.032027][ T6109] Call trace: [ 198.032598][ T6109] dump_backtrace+0x0/0x458 [ 198.033610][ T6109] show_stack+0x2c/0x3c [ 198.034463][ T6109] __dump_stack+0x30/0x40 [ 198.035241][ T6109] dump_stack_lvl+0xf4/0x15c [ 198.036182][ T6109] dump_stack+0x1c/0x5c [ 198.036928][ T6109] sysfs_create_dir_ns+0x244/0x264 [ 198.037843][ T6109] kobject_add_internal+0x594/0xc2c [ 198.038802][ T6109] kobject_init_and_add+0x128/0x194 [ 198.039792][ T6109] gfs2_sys_fs_add+0x208/0x428 [ 198.040646][ T6109] gfs2_fill_super+0xe20/0x1a9c [ 198.041526][ T6109] get_tree_bdev+0x35c/0x54c [ 198.042356][ T6109] gfs2_get_tree+0x58/0x1b8 [ 198.043194][ T6109] vfs_get_tree+0x90/0x278 [ 198.044011][ T6109] do_new_mount+0x228/0x818 [ 198.044772][ T6109] path_mount+0x57c/0xfe8 [ 198.045755][ T6109] __arm64_sys_mount+0x488/0x5f8 [ 198.046745][ T6109] invoke_syscall+0x98/0x28c [ 198.047618][ T6109] el0_svc_common+0x13c/0x258 [ 198.048531][ T6109] do_el0_svc+0x5c/0x140 [ 198.049386][ T6109] el0_svc+0x78/0x1d4 [ 198.050118][ T6109] el0t_64_sync_handler+0xcc/0xe4 [ 198.051166][ T6109] el0t_64_sync+0x1a0/0x1a4 [ 198.053731][ T6109] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 198.057502][ T6109] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 198.206886][ T6112] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 198.208984][ T6112] CPU: 1 PID: 6112 Comm: syz.1.452 Not tainted syzkaller #0 [ 198.210454][ T6112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.212452][ T6112] Call trace: [ 198.213086][ T6112] dump_backtrace+0x0/0x458 [ 198.213993][ T6112] show_stack+0x2c/0x3c [ 198.214878][ T6112] __dump_stack+0x30/0x40 [ 198.215806][ T6112] dump_stack_lvl+0xf4/0x15c [ 198.216646][ T6112] dump_stack+0x1c/0x5c [ 198.217453][ T6112] sysfs_create_dir_ns+0x244/0x264 [ 198.218473][ T6112] kobject_add_internal+0x594/0xc2c [ 198.219451][ T6112] kobject_init_and_add+0x128/0x194 [ 198.220534][ T6112] gfs2_sys_fs_add+0x208/0x428 [ 198.221550][ T6112] gfs2_fill_super+0xe20/0x1a9c [ 198.222602][ T6112] get_tree_bdev+0x35c/0x54c [ 198.223560][ T6112] gfs2_get_tree+0x58/0x1b8 [ 198.224540][ T6112] vfs_get_tree+0x90/0x278 [ 198.225499][ T6112] do_new_mount+0x228/0x818 [ 198.226491][ T6112] path_mount+0x57c/0xfe8 [ 198.227426][ T6112] __arm64_sys_mount+0x488/0x5f8 [ 198.228499][ T6112] invoke_syscall+0x98/0x28c [ 198.229483][ T6112] el0_svc_common+0x13c/0x258 [ 198.230470][ T6112] do_el0_svc+0x5c/0x140 [ 198.231323][ T6112] el0_svc+0x78/0x1d4 [ 198.232104][ T6112] el0t_64_sync_handler+0xcc/0xe4 [ 198.233124][ T6112] el0t_64_sync+0x1a0/0x1a4 [ 198.235916][ T6112] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 198.239136][ T6112] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 198.390573][ T6115] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 198.392588][ T6115] CPU: 1 PID: 6115 Comm: syz.1.453 Not tainted syzkaller #0 [ 198.394014][ T6115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.396071][ T6115] Call trace: [ 198.396781][ T6115] dump_backtrace+0x0/0x458 [ 198.397660][ T6115] show_stack+0x2c/0x3c [ 198.398435][ T6115] __dump_stack+0x30/0x40 [ 198.399280][ T6115] dump_stack_lvl+0xf4/0x15c [ 198.400177][ T6115] dump_stack+0x1c/0x5c [ 198.401021][ T6115] sysfs_create_dir_ns+0x244/0x264 [ 198.401979][ T6115] kobject_add_internal+0x594/0xc2c [ 198.402998][ T6115] kobject_init_and_add+0x128/0x194 [ 198.404086][ T6115] gfs2_sys_fs_add+0x208/0x428 [ 198.404985][ T6115] gfs2_fill_super+0xe20/0x1a9c [ 198.406063][ T6115] get_tree_bdev+0x35c/0x54c [ 198.407033][ T6115] gfs2_get_tree+0x58/0x1b8 [ 198.407935][ T6115] vfs_get_tree+0x90/0x278 [ 198.408936][ T6115] do_new_mount+0x228/0x818 [ 198.409813][ T6115] path_mount+0x57c/0xfe8 [ 198.410628][ T6115] __arm64_sys_mount+0x488/0x5f8 [ 198.411693][ T6115] invoke_syscall+0x98/0x28c [ 198.412674][ T6115] el0_svc_common+0x13c/0x258 [ 198.413642][ T6115] do_el0_svc+0x5c/0x140 [ 198.414435][ T6115] el0_svc+0x78/0x1d4 [ 198.415222][ T6115] el0t_64_sync_handler+0xcc/0xe4 [ 198.416238][ T6115] el0t_64_sync+0x1a0/0x1a4 [ 198.420074][ T6115] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 198.423354][ T6115] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 198.625549][ T6118] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 198.628326][ T6118] CPU: 1 PID: 6118 Comm: syz.1.454 Not tainted syzkaller #0 [ 198.629765][ T6118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.631915][ T6118] Call trace: [ 198.632653][ T6118] dump_backtrace+0x0/0x458 [ 198.633655][ T6118] show_stack+0x2c/0x3c [ 198.634602][ T6118] __dump_stack+0x30/0x40 [ 198.635624][ T6118] dump_stack_lvl+0xf4/0x15c [ 198.636633][ T6118] dump_stack+0x1c/0x5c [ 198.637504][ T6118] sysfs_create_dir_ns+0x244/0x264 [ 198.638604][ T6118] kobject_add_internal+0x594/0xc2c [ 198.639786][ T6118] kobject_init_and_add+0x128/0x194 [ 198.640827][ T6118] gfs2_sys_fs_add+0x208/0x428 [ 198.641849][ T6118] gfs2_fill_super+0xe20/0x1a9c [ 198.642800][ T6118] get_tree_bdev+0x35c/0x54c [ 198.643839][ T6118] gfs2_get_tree+0x58/0x1b8 [ 198.644889][ T6118] vfs_get_tree+0x90/0x278 [ 198.645846][ T6118] do_new_mount+0x228/0x818 [ 198.646779][ T6118] path_mount+0x57c/0xfe8 [ 198.647682][ T6118] __arm64_sys_mount+0x488/0x5f8 [ 198.648685][ T6118] invoke_syscall+0x98/0x28c [ 198.649656][ T6118] el0_svc_common+0x13c/0x258 [ 198.650680][ T6118] do_el0_svc+0x5c/0x140 [ 198.651570][ T6118] el0_svc+0x78/0x1d4 [ 198.652436][ T6118] el0t_64_sync_handler+0xcc/0xe4 [ 198.653518][ T6118] el0t_64_sync+0x1a0/0x1a4 [ 198.656112][ T6118] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 198.659297][ T6118] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 198.900513][ T6121] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 198.902639][ T6121] CPU: 0 PID: 6121 Comm: syz.1.455 Not tainted syzkaller #0 [ 198.904063][ T6121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 198.906034][ T6121] Call trace: [ 198.906679][ T6121] dump_backtrace+0x0/0x458 [ 198.907606][ T6121] show_stack+0x2c/0x3c [ 198.908478][ T6121] __dump_stack+0x30/0x40 [ 198.909433][ T6121] dump_stack_lvl+0xf4/0x15c [ 198.910344][ T6121] dump_stack+0x1c/0x5c [ 198.911225][ T6121] sysfs_create_dir_ns+0x244/0x264 [ 198.912216][ T6121] kobject_add_internal+0x594/0xc2c [ 198.913405][ T6121] kobject_init_and_add+0x128/0x194 [ 198.914440][ T6121] gfs2_sys_fs_add+0x208/0x428 [ 198.915408][ T6121] gfs2_fill_super+0xe20/0x1a9c [ 198.916454][ T6121] get_tree_bdev+0x35c/0x54c [ 198.917334][ T6121] gfs2_get_tree+0x58/0x1b8 [ 198.918259][ T6121] vfs_get_tree+0x90/0x278 [ 198.919170][ T6121] do_new_mount+0x228/0x818 [ 198.920131][ T6121] path_mount+0x57c/0xfe8 [ 198.921053][ T6121] __arm64_sys_mount+0x488/0x5f8 [ 198.922121][ T6121] invoke_syscall+0x98/0x28c [ 198.923194][ T6121] el0_svc_common+0x13c/0x258 [ 198.924220][ T6121] do_el0_svc+0x5c/0x140 [ 198.925197][ T6121] el0_svc+0x78/0x1d4 [ 198.926109][ T6121] el0t_64_sync_handler+0xcc/0xe4 [ 198.927156][ T6121] el0t_64_sync+0x1a0/0x1a4 [ 198.928852][ T6121] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 198.931784][ T6121] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 199.260219][ T6124] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 199.262169][ T6124] CPU: 1 PID: 6124 Comm: syz.1.456 Not tainted syzkaller #0 [ 199.263429][ T6124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.265396][ T6124] Call trace: [ 199.266047][ T6124] dump_backtrace+0x0/0x458 [ 199.266937][ T6124] show_stack+0x2c/0x3c [ 199.267842][ T6124] __dump_stack+0x30/0x40 [ 199.268699][ T6124] dump_stack_lvl+0xf4/0x15c [ 199.269700][ T6124] dump_stack+0x1c/0x5c [ 199.270582][ T6124] sysfs_create_dir_ns+0x244/0x264 [ 199.271705][ T6124] kobject_add_internal+0x594/0xc2c [ 199.272766][ T6124] kobject_init_and_add+0x128/0x194 [ 199.273846][ T6124] gfs2_sys_fs_add+0x208/0x428 [ 199.274813][ T6124] gfs2_fill_super+0xe20/0x1a9c [ 199.275828][ T6124] get_tree_bdev+0x35c/0x54c [ 199.276799][ T6124] gfs2_get_tree+0x58/0x1b8 [ 199.277699][ T6124] vfs_get_tree+0x90/0x278 [ 199.278541][ T6124] do_new_mount+0x228/0x818 [ 199.279468][ T6124] path_mount+0x57c/0xfe8 [ 199.280376][ T6124] __arm64_sys_mount+0x488/0x5f8 [ 199.281409][ T6124] invoke_syscall+0x98/0x28c [ 199.282343][ T6124] el0_svc_common+0x13c/0x258 [ 199.283190][ T6124] do_el0_svc+0x5c/0x140 [ 199.284092][ T6124] el0_svc+0x78/0x1d4 [ 199.284953][ T6124] el0t_64_sync_handler+0xcc/0xe4 [ 199.285973][ T6124] el0t_64_sync+0x1a0/0x1a4 [ 199.288675][ T6124] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 199.291890][ T6124] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 199.438465][ T6127] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 199.440436][ T6127] CPU: 0 PID: 6127 Comm: syz.1.457 Not tainted syzkaller #0 [ 199.441800][ T6127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.443814][ T6127] Call trace: [ 199.444503][ T6127] dump_backtrace+0x0/0x458 [ 199.445332][ T6127] show_stack+0x2c/0x3c [ 199.446144][ T6127] __dump_stack+0x30/0x40 [ 199.446984][ T6127] dump_stack_lvl+0xf4/0x15c [ 199.447928][ T6127] dump_stack+0x1c/0x5c [ 199.448843][ T6127] sysfs_create_dir_ns+0x244/0x264 [ 199.449962][ T6127] kobject_add_internal+0x594/0xc2c [ 199.451019][ T6127] kobject_init_and_add+0x128/0x194 [ 199.452071][ T6127] gfs2_sys_fs_add+0x208/0x428 [ 199.453106][ T6127] gfs2_fill_super+0xe20/0x1a9c [ 199.454142][ T6127] get_tree_bdev+0x35c/0x54c [ 199.455089][ T6127] gfs2_get_tree+0x58/0x1b8 [ 199.455996][ T6127] vfs_get_tree+0x90/0x278 [ 199.456857][ T6127] do_new_mount+0x228/0x818 [ 199.457746][ T6127] path_mount+0x57c/0xfe8 [ 199.458585][ T6127] __arm64_sys_mount+0x488/0x5f8 [ 199.459491][ T6127] invoke_syscall+0x98/0x28c [ 199.460308][ T6127] el0_svc_common+0x13c/0x258 [ 199.461282][ T6127] do_el0_svc+0x5c/0x140 [ 199.462151][ T6127] el0_svc+0x78/0x1d4 [ 199.462891][ T6127] el0t_64_sync_handler+0xcc/0xe4 [ 199.463935][ T6127] el0t_64_sync+0x1a0/0x1a4 [ 199.466346][ T6127] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 199.469085][ T6127] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 199.709694][ T6130] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 199.711923][ T6130] CPU: 1 PID: 6130 Comm: syz.1.458 Not tainted syzkaller #0 [ 199.713361][ T6130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.715466][ T6130] Call trace: [ 199.716166][ T6130] dump_backtrace+0x0/0x458 [ 199.717110][ T6130] show_stack+0x2c/0x3c [ 199.717921][ T6130] __dump_stack+0x30/0x40 [ 199.718736][ T6130] dump_stack_lvl+0xf4/0x15c [ 199.719636][ T6130] dump_stack+0x1c/0x5c [ 199.720431][ T6130] sysfs_create_dir_ns+0x244/0x264 [ 199.721373][ T6130] kobject_add_internal+0x594/0xc2c [ 199.722369][ T6130] kobject_init_and_add+0x128/0x194 [ 199.723456][ T6130] gfs2_sys_fs_add+0x208/0x428 [ 199.724377][ T6130] gfs2_fill_super+0xe20/0x1a9c [ 199.725435][ T6130] get_tree_bdev+0x35c/0x54c [ 199.726377][ T6130] gfs2_get_tree+0x58/0x1b8 [ 199.727332][ T6130] vfs_get_tree+0x90/0x278 [ 199.728172][ T6130] do_new_mount+0x228/0x818 [ 199.729075][ T6130] path_mount+0x57c/0xfe8 [ 199.729951][ T6130] __arm64_sys_mount+0x488/0x5f8 [ 199.731025][ T6130] invoke_syscall+0x98/0x28c [ 199.731955][ T6130] el0_svc_common+0x13c/0x258 [ 199.732940][ T6130] do_el0_svc+0x5c/0x140 [ 199.733895][ T6130] el0_svc+0x78/0x1d4 [ 199.734780][ T6130] el0t_64_sync_handler+0xcc/0xe4 [ 199.735818][ T6130] el0t_64_sync+0x1a0/0x1a4 [ 199.738680][ T6130] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 199.741695][ T6130] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 199.975712][ T6133] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 199.977669][ T6133] CPU: 1 PID: 6133 Comm: syz.1.459 Not tainted syzkaller #0 [ 199.979014][ T6133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 199.981121][ T6133] Call trace: [ 199.981838][ T6133] dump_backtrace+0x0/0x458 [ 199.982789][ T6133] show_stack+0x2c/0x3c [ 199.983637][ T6133] __dump_stack+0x30/0x40 [ 199.984527][ T6133] dump_stack_lvl+0xf4/0x15c [ 199.985437][ T6133] dump_stack+0x1c/0x5c [ 199.986259][ T6133] sysfs_create_dir_ns+0x244/0x264 [ 199.987271][ T6133] kobject_add_internal+0x594/0xc2c [ 199.988285][ T6133] kobject_init_and_add+0x128/0x194 [ 199.989328][ T6133] gfs2_sys_fs_add+0x208/0x428 [ 199.990266][ T6133] gfs2_fill_super+0xe20/0x1a9c [ 199.991250][ T6133] get_tree_bdev+0x35c/0x54c [ 199.992162][ T6133] gfs2_get_tree+0x58/0x1b8 [ 199.993060][ T6133] vfs_get_tree+0x90/0x278 [ 199.994001][ T6133] do_new_mount+0x228/0x818 [ 199.994903][ T6133] path_mount+0x57c/0xfe8 [ 199.995794][ T6133] __arm64_sys_mount+0x488/0x5f8 [ 199.996686][ T6133] invoke_syscall+0x98/0x28c [ 199.997529][ T6133] el0_svc_common+0x13c/0x258 [ 199.998421][ T6133] do_el0_svc+0x5c/0x140 [ 199.999231][ T6133] el0_svc+0x78/0x1d4 [ 199.999967][ T6133] el0t_64_sync_handler+0xcc/0xe4 [ 200.000995][ T6133] el0t_64_sync+0x1a0/0x1a4 [ 200.003452][ T6133] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 200.006952][ T6133] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:20 executed programs: 446 [ 200.217132][ T6136] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 200.222508][ T6136] CPU: 1 PID: 6136 Comm: syz.1.460 Not tainted syzkaller #0 [ 200.223913][ T6136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.225922][ T6136] Call trace: [ 200.226639][ T6136] dump_backtrace+0x0/0x458 [ 200.227708][ T6136] show_stack+0x2c/0x3c [ 200.228601][ T6136] __dump_stack+0x30/0x40 [ 200.229519][ T6136] dump_stack_lvl+0xf4/0x15c [ 200.230398][ T6136] dump_stack+0x1c/0x5c [ 200.231237][ T6136] sysfs_create_dir_ns+0x244/0x264 [ 200.232290][ T6136] kobject_add_internal+0x594/0xc2c [ 200.233423][ T6136] kobject_init_and_add+0x128/0x194 [ 200.234588][ T6136] gfs2_sys_fs_add+0x208/0x428 [ 200.235652][ T6136] gfs2_fill_super+0xe20/0x1a9c [ 200.236705][ T6136] get_tree_bdev+0x35c/0x54c [ 200.237642][ T6136] gfs2_get_tree+0x58/0x1b8 [ 200.238595][ T6136] vfs_get_tree+0x90/0x278 [ 200.239421][ T6136] do_new_mount+0x228/0x818 [ 200.240386][ T6136] path_mount+0x57c/0xfe8 [ 200.241303][ T6136] __arm64_sys_mount+0x488/0x5f8 [ 200.242370][ T6136] invoke_syscall+0x98/0x28c [ 200.243399][ T6136] el0_svc_common+0x13c/0x258 [ 200.244435][ T6136] do_el0_svc+0x5c/0x140 [ 200.245389][ T6136] el0_svc+0x78/0x1d4 [ 200.246226][ T6136] el0t_64_sync_handler+0xcc/0xe4 [ 200.247226][ T6136] el0t_64_sync+0x1a0/0x1a4 [ 200.251182][ T6136] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 200.254585][ T6136] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 200.524643][ T6140] set_capacity_and_notify: 10 callbacks suppressed [ 200.524654][ T6140] loop1: detected capacity change from 0 to 32768 [ 200.533619][ T6140] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 200.536456][ T6140] CPU: 1 PID: 6140 Comm: syz.1.461 Not tainted syzkaller #0 [ 200.538000][ T6140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.539848][ T6140] Call trace: [ 200.540488][ T6140] dump_backtrace+0x0/0x458 [ 200.541387][ T6140] show_stack+0x2c/0x3c [ 200.542230][ T6140] __dump_stack+0x30/0x40 [ 200.543117][ T6140] dump_stack_lvl+0xf4/0x15c [ 200.543986][ T6140] dump_stack+0x1c/0x5c [ 200.544878][ T6140] sysfs_create_dir_ns+0x244/0x264 [ 200.545906][ T6140] kobject_add_internal+0x594/0xc2c [ 200.546994][ T6140] kobject_init_and_add+0x128/0x194 [ 200.548144][ T6140] gfs2_sys_fs_add+0x208/0x428 [ 200.549234][ T6140] gfs2_fill_super+0xe20/0x1a9c [ 200.550272][ T6140] get_tree_bdev+0x35c/0x54c [ 200.551209][ T6140] gfs2_get_tree+0x58/0x1b8 [ 200.552095][ T6140] vfs_get_tree+0x90/0x278 [ 200.552919][ T6140] do_new_mount+0x228/0x818 [ 200.553838][ T6140] path_mount+0x57c/0xfe8 [ 200.554747][ T6140] __arm64_sys_mount+0x488/0x5f8 [ 200.555792][ T6140] invoke_syscall+0x98/0x28c [ 200.556686][ T6140] el0_svc_common+0x13c/0x258 [ 200.557613][ T6140] do_el0_svc+0x5c/0x140 [ 200.558382][ T6140] el0_svc+0x78/0x1d4 [ 200.559085][ T6140] el0t_64_sync_handler+0xcc/0xe4 [ 200.560029][ T6140] el0t_64_sync+0x1a0/0x1a4 [ 200.563604][ T6140] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 200.566876][ T6140] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 200.807550][ T6144] loop1: detected capacity change from 0 to 32768 [ 200.858686][ T6144] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 200.860566][ T6144] CPU: 0 PID: 6144 Comm: syz.1.462 Not tainted syzkaller #0 [ 200.861809][ T6144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 200.863427][ T6144] Call trace: [ 200.864090][ T6144] dump_backtrace+0x0/0x458 [ 200.865020][ T6144] show_stack+0x2c/0x3c [ 200.865836][ T6144] __dump_stack+0x30/0x40 [ 200.866708][ T6144] dump_stack_lvl+0xf4/0x15c [ 200.867688][ T6144] dump_stack+0x1c/0x5c [ 200.868584][ T6144] sysfs_create_dir_ns+0x244/0x264 [ 200.869536][ T6144] kobject_add_internal+0x594/0xc2c [ 200.870527][ T6144] kobject_init_and_add+0x128/0x194 [ 200.871437][ T6144] gfs2_sys_fs_add+0x208/0x428 [ 200.872223][ T6144] gfs2_fill_super+0xe20/0x1a9c [ 200.873151][ T6144] get_tree_bdev+0x35c/0x54c [ 200.874017][ T6144] gfs2_get_tree+0x58/0x1b8 [ 200.874799][ T6144] vfs_get_tree+0x90/0x278 [ 200.875603][ T6144] do_new_mount+0x228/0x818 [ 200.876478][ T6144] path_mount+0x57c/0xfe8 [ 200.877345][ T6144] __arm64_sys_mount+0x488/0x5f8 [ 200.878371][ T6144] invoke_syscall+0x98/0x28c [ 200.879373][ T6144] el0_svc_common+0x13c/0x258 [ 200.880383][ T6144] do_el0_svc+0x5c/0x140 [ 200.881315][ T6144] el0_svc+0x78/0x1d4 [ 200.882080][ T6144] el0t_64_sync_handler+0xcc/0xe4 [ 200.883096][ T6144] el0t_64_sync+0x1a0/0x1a4 [ 200.885892][ T6144] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 200.888497][ T6144] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 201.125033][ T6147] loop1: detected capacity change from 0 to 32768 [ 201.180030][ T6147] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 201.182211][ T6147] CPU: 0 PID: 6147 Comm: syz.1.463 Not tainted syzkaller #0 [ 201.183590][ T6147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.185512][ T6147] Call trace: [ 201.186170][ T6147] dump_backtrace+0x0/0x458 [ 201.187164][ T6147] show_stack+0x2c/0x3c [ 201.188061][ T6147] __dump_stack+0x30/0x40 [ 201.188962][ T6147] dump_stack_lvl+0xf4/0x15c [ 201.189893][ T6147] dump_stack+0x1c/0x5c [ 201.190697][ T6147] sysfs_create_dir_ns+0x244/0x264 [ 201.191751][ T6147] kobject_add_internal+0x594/0xc2c [ 201.192768][ T6147] kobject_init_and_add+0x128/0x194 [ 201.193758][ T6147] gfs2_sys_fs_add+0x208/0x428 [ 201.194785][ T6147] gfs2_fill_super+0xe20/0x1a9c [ 201.195752][ T6147] get_tree_bdev+0x35c/0x54c [ 201.196684][ T6147] gfs2_get_tree+0x58/0x1b8 [ 201.197654][ T6147] vfs_get_tree+0x90/0x278 [ 201.198611][ T6147] do_new_mount+0x228/0x818 [ 201.199605][ T6147] path_mount+0x57c/0xfe8 [ 201.200498][ T6147] __arm64_sys_mount+0x488/0x5f8 [ 201.201519][ T6147] invoke_syscall+0x98/0x28c [ 201.202494][ T6147] el0_svc_common+0x13c/0x258 [ 201.203506][ T6147] do_el0_svc+0x5c/0x140 [ 201.204363][ T6147] el0_svc+0x78/0x1d4 [ 201.205141][ T6147] el0t_64_sync_handler+0xcc/0xe4 [ 201.206105][ T6147] el0t_64_sync+0x1a0/0x1a4 [ 201.208791][ T6147] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 201.211584][ T6147] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 201.394826][ T6151] loop1: detected capacity change from 0 to 32768 [ 201.453935][ T6151] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 201.456055][ T6151] CPU: 1 PID: 6151 Comm: syz.1.464 Not tainted syzkaller #0 [ 201.457489][ T6151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.459325][ T6151] Call trace: [ 201.459988][ T6151] dump_backtrace+0x0/0x458 [ 201.460882][ T6151] show_stack+0x2c/0x3c [ 201.461678][ T6151] __dump_stack+0x30/0x40 [ 201.462540][ T6151] dump_stack_lvl+0xf4/0x15c [ 201.463362][ T6151] dump_stack+0x1c/0x5c [ 201.464137][ T6151] sysfs_create_dir_ns+0x244/0x264 [ 201.465175][ T6151] kobject_add_internal+0x594/0xc2c [ 201.466187][ T6151] kobject_init_and_add+0x128/0x194 [ 201.467193][ T6151] gfs2_sys_fs_add+0x208/0x428 [ 201.468229][ T6151] gfs2_fill_super+0xe20/0x1a9c [ 201.469244][ T6151] get_tree_bdev+0x35c/0x54c [ 201.470248][ T6151] gfs2_get_tree+0x58/0x1b8 [ 201.471245][ T6151] vfs_get_tree+0x90/0x278 [ 201.472207][ T6151] do_new_mount+0x228/0x818 [ 201.473242][ T6151] path_mount+0x57c/0xfe8 [ 201.474242][ T6151] __arm64_sys_mount+0x488/0x5f8 [ 201.475261][ T6151] invoke_syscall+0x98/0x28c [ 201.476232][ T6151] el0_svc_common+0x13c/0x258 [ 201.477155][ T6151] do_el0_svc+0x5c/0x140 [ 201.477991][ T6151] el0_svc+0x78/0x1d4 [ 201.478817][ T6151] el0t_64_sync_handler+0xcc/0xe4 [ 201.479773][ T6151] el0t_64_sync+0x1a0/0x1a4 [ 201.481531][ T6151] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 201.484823][ T6151] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 201.669323][ T6154] loop1: detected capacity change from 0 to 32768 [ 201.749258][ T6154] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 201.751328][ T6154] CPU: 0 PID: 6154 Comm: syz.1.465 Not tainted syzkaller #0 [ 201.752806][ T6154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 201.755026][ T6154] Call trace: [ 201.755771][ T6154] dump_backtrace+0x0/0x458 [ 201.756626][ T6154] show_stack+0x2c/0x3c [ 201.757514][ T6154] __dump_stack+0x30/0x40 [ 201.758497][ T6154] dump_stack_lvl+0xf4/0x15c [ 201.759429][ T6154] dump_stack+0x1c/0x5c [ 201.760262][ T6154] sysfs_create_dir_ns+0x244/0x264 [ 201.761321][ T6154] kobject_add_internal+0x594/0xc2c [ 201.762443][ T6154] kobject_init_and_add+0x128/0x194 [ 201.763568][ T6154] gfs2_sys_fs_add+0x208/0x428 [ 201.764600][ T6154] gfs2_fill_super+0xe20/0x1a9c [ 201.765621][ T6154] get_tree_bdev+0x35c/0x54c [ 201.766506][ T6154] gfs2_get_tree+0x58/0x1b8 [ 201.767441][ T6154] vfs_get_tree+0x90/0x278 [ 201.768427][ T6154] do_new_mount+0x228/0x818 [ 201.769328][ T6154] path_mount+0x57c/0xfe8 [ 201.770256][ T6154] __arm64_sys_mount+0x488/0x5f8 [ 201.771364][ T6154] invoke_syscall+0x98/0x28c [ 201.772396][ T6154] el0_svc_common+0x13c/0x258 [ 201.773414][ T6154] do_el0_svc+0x5c/0x140 [ 201.774380][ T6154] el0_svc+0x78/0x1d4 [ 201.775276][ T6154] el0t_64_sync_handler+0xcc/0xe4 [ 201.776334][ T6154] el0t_64_sync+0x1a0/0x1a4 [ 201.779346][ T6154] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 201.782069][ T6154] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 202.032308][ T6158] loop1: detected capacity change from 0 to 32768 [ 202.069256][ T6158] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 202.071311][ T6158] CPU: 0 PID: 6158 Comm: syz.1.466 Not tainted syzkaller #0 [ 202.072753][ T6158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.074964][ T6158] Call trace: [ 202.075647][ T6158] dump_backtrace+0x0/0x458 [ 202.076634][ T6158] show_stack+0x2c/0x3c [ 202.077558][ T6158] __dump_stack+0x30/0x40 [ 202.078387][ T6158] dump_stack_lvl+0xf4/0x15c [ 202.079373][ T6158] dump_stack+0x1c/0x5c [ 202.080293][ T6158] sysfs_create_dir_ns+0x244/0x264 [ 202.081330][ T6158] kobject_add_internal+0x594/0xc2c [ 202.082443][ T6158] kobject_init_and_add+0x128/0x194 [ 202.083538][ T6158] gfs2_sys_fs_add+0x208/0x428 [ 202.084494][ T6158] gfs2_fill_super+0xe20/0x1a9c [ 202.085510][ T6158] get_tree_bdev+0x35c/0x54c [ 202.086457][ T6158] gfs2_get_tree+0x58/0x1b8 [ 202.087407][ T6158] vfs_get_tree+0x90/0x278 [ 202.088322][ T6158] do_new_mount+0x228/0x818 [ 202.089193][ T6158] path_mount+0x57c/0xfe8 [ 202.090026][ T6158] __arm64_sys_mount+0x488/0x5f8 [ 202.091036][ T6158] invoke_syscall+0x98/0x28c [ 202.091947][ T6158] el0_svc_common+0x13c/0x258 [ 202.092932][ T6158] do_el0_svc+0x5c/0x140 [ 202.093849][ T6158] el0_svc+0x78/0x1d4 [ 202.094657][ T6158] el0t_64_sync_handler+0xcc/0xe4 [ 202.095753][ T6158] el0t_64_sync+0x1a0/0x1a4 [ 202.098452][ T6158] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 202.101653][ T6158] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 202.361895][ T6162] loop1: detected capacity change from 0 to 32768 [ 202.395347][ T6162] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 202.397570][ T6162] CPU: 0 PID: 6162 Comm: syz.1.467 Not tainted syzkaller #0 [ 202.398975][ T6162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.400824][ T6162] Call trace: [ 202.401486][ T6162] dump_backtrace+0x0/0x458 [ 202.402403][ T6162] show_stack+0x2c/0x3c [ 202.403240][ T6162] __dump_stack+0x30/0x40 [ 202.404126][ T6162] dump_stack_lvl+0xf4/0x15c [ 202.405107][ T6162] dump_stack+0x1c/0x5c [ 202.405914][ T6162] sysfs_create_dir_ns+0x244/0x264 [ 202.406935][ T6162] kobject_add_internal+0x594/0xc2c [ 202.407924][ T6162] kobject_init_and_add+0x128/0x194 [ 202.408921][ T6162] gfs2_sys_fs_add+0x208/0x428 [ 202.409834][ T6162] gfs2_fill_super+0xe20/0x1a9c [ 202.410838][ T6162] get_tree_bdev+0x35c/0x54c [ 202.411815][ T6162] gfs2_get_tree+0x58/0x1b8 [ 202.412787][ T6162] vfs_get_tree+0x90/0x278 [ 202.413733][ T6162] do_new_mount+0x228/0x818 [ 202.414706][ T6162] path_mount+0x57c/0xfe8 [ 202.415644][ T6162] __arm64_sys_mount+0x488/0x5f8 [ 202.416645][ T6162] invoke_syscall+0x98/0x28c [ 202.417548][ T6162] el0_svc_common+0x13c/0x258 [ 202.418594][ T6162] do_el0_svc+0x5c/0x140 [ 202.419453][ T6162] el0_svc+0x78/0x1d4 [ 202.420245][ T6162] el0t_64_sync_handler+0xcc/0xe4 [ 202.421241][ T6162] el0t_64_sync+0x1a0/0x1a4 [ 202.422518][ T6162] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 202.426026][ T6162] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 202.591308][ T6165] loop1: detected capacity change from 0 to 32768 [ 202.640341][ T6165] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 202.642685][ T6165] CPU: 0 PID: 6165 Comm: syz.1.468 Not tainted syzkaller #0 [ 202.644017][ T6165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.645911][ T6165] Call trace: [ 202.646495][ T6165] dump_backtrace+0x0/0x458 [ 202.647399][ T6165] show_stack+0x2c/0x3c [ 202.648219][ T6165] __dump_stack+0x30/0x40 [ 202.649031][ T6165] dump_stack_lvl+0xf4/0x15c [ 202.649882][ T6165] dump_stack+0x1c/0x5c [ 202.650647][ T6165] sysfs_create_dir_ns+0x244/0x264 [ 202.651674][ T6165] kobject_add_internal+0x594/0xc2c [ 202.652766][ T6165] kobject_init_and_add+0x128/0x194 [ 202.653793][ T6165] gfs2_sys_fs_add+0x208/0x428 [ 202.654698][ T6165] gfs2_fill_super+0xe20/0x1a9c [ 202.655723][ T6165] get_tree_bdev+0x35c/0x54c [ 202.656636][ T6165] gfs2_get_tree+0x58/0x1b8 [ 202.657469][ T6165] vfs_get_tree+0x90/0x278 [ 202.658414][ T6165] do_new_mount+0x228/0x818 [ 202.659346][ T6165] path_mount+0x57c/0xfe8 [ 202.660197][ T6165] __arm64_sys_mount+0x488/0x5f8 [ 202.661070][ T6165] invoke_syscall+0x98/0x28c [ 202.661900][ T6165] el0_svc_common+0x13c/0x258 [ 202.662813][ T6165] do_el0_svc+0x5c/0x140 [ 202.663673][ T6165] el0_svc+0x78/0x1d4 [ 202.664479][ T6165] el0t_64_sync_handler+0xcc/0xe4 [ 202.665451][ T6165] el0t_64_sync+0x1a0/0x1a4 [ 202.669817][ T6165] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 202.673104][ T6165] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 202.813093][ T6168] loop1: detected capacity change from 0 to 32768 [ 202.885773][ T6168] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 202.887718][ T6168] CPU: 0 PID: 6168 Comm: syz.1.469 Not tainted syzkaller #0 [ 202.889118][ T6168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 202.890943][ T6168] Call trace: [ 202.891538][ T6168] dump_backtrace+0x0/0x458 [ 202.892290][ T6168] show_stack+0x2c/0x3c [ 202.893221][ T6168] __dump_stack+0x30/0x40 [ 202.894007][ T6168] dump_stack_lvl+0xf4/0x15c [ 202.895004][ T6168] dump_stack+0x1c/0x5c [ 202.895785][ T6168] sysfs_create_dir_ns+0x244/0x264 [ 202.896763][ T6168] kobject_add_internal+0x594/0xc2c [ 202.897765][ T6168] kobject_init_and_add+0x128/0x194 [ 202.898775][ T6168] gfs2_sys_fs_add+0x208/0x428 [ 202.899674][ T6168] gfs2_fill_super+0xe20/0x1a9c [ 202.900594][ T6168] get_tree_bdev+0x35c/0x54c [ 202.901570][ T6168] gfs2_get_tree+0x58/0x1b8 [ 202.902452][ T6168] vfs_get_tree+0x90/0x278 [ 202.903296][ T6168] do_new_mount+0x228/0x818 [ 202.904182][ T6168] path_mount+0x57c/0xfe8 [ 202.905000][ T6168] __arm64_sys_mount+0x488/0x5f8 [ 202.905985][ T6168] invoke_syscall+0x98/0x28c [ 202.906896][ T6168] el0_svc_common+0x13c/0x258 [ 202.907762][ T6168] do_el0_svc+0x5c/0x140 [ 202.908575][ T6168] el0_svc+0x78/0x1d4 [ 202.909333][ T6168] el0t_64_sync_handler+0xcc/0xe4 [ 202.910360][ T6168] el0t_64_sync+0x1a0/0x1a4 [ 202.912779][ T6168] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 202.916271][ T6168] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 203.053020][ T6171] loop1: detected capacity change from 0 to 32768 [ 203.061366][ T6171] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 203.063205][ T6171] CPU: 0 PID: 6171 Comm: syz.1.470 Not tainted syzkaller #0 [ 203.064657][ T6171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.066865][ T6171] Call trace: [ 203.067574][ T6171] dump_backtrace+0x0/0x458 [ 203.068527][ T6171] show_stack+0x2c/0x3c [ 203.069464][ T6171] __dump_stack+0x30/0x40 [ 203.070438][ T6171] dump_stack_lvl+0xf4/0x15c [ 203.071401][ T6171] dump_stack+0x1c/0x5c [ 203.072338][ T6171] sysfs_create_dir_ns+0x244/0x264 [ 203.073401][ T6171] kobject_add_internal+0x594/0xc2c [ 203.074528][ T6171] kobject_init_and_add+0x128/0x194 [ 203.075695][ T6171] gfs2_sys_fs_add+0x208/0x428 [ 203.076782][ T6171] gfs2_fill_super+0xe20/0x1a9c [ 203.077844][ T6171] get_tree_bdev+0x35c/0x54c [ 203.078878][ T6171] gfs2_get_tree+0x58/0x1b8 [ 203.079906][ T6171] vfs_get_tree+0x90/0x278 [ 203.080907][ T6171] do_new_mount+0x228/0x818 [ 203.081876][ T6171] path_mount+0x57c/0xfe8 [ 203.082780][ T6171] __arm64_sys_mount+0x488/0x5f8 [ 203.083894][ T6171] invoke_syscall+0x98/0x28c [ 203.084856][ T6171] el0_svc_common+0x13c/0x258 [ 203.085831][ T6171] do_el0_svc+0x5c/0x140 [ 203.086716][ T6171] el0_svc+0x78/0x1d4 [ 203.087557][ T6171] el0t_64_sync_handler+0xcc/0xe4 [ 203.088586][ T6171] el0t_64_sync+0x1a0/0x1a4 [ 203.092507][ T6171] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 203.095843][ T6171] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 203.379707][ T6175] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 203.381928][ T6175] CPU: 1 PID: 6175 Comm: syz.1.471 Not tainted syzkaller #0 [ 203.383408][ T6175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.385713][ T6175] Call trace: [ 203.386347][ T6175] dump_backtrace+0x0/0x458 [ 203.387289][ T6175] show_stack+0x2c/0x3c [ 203.388161][ T6175] __dump_stack+0x30/0x40 [ 203.389137][ T6175] dump_stack_lvl+0xf4/0x15c [ 203.390154][ T6175] dump_stack+0x1c/0x5c [ 203.391000][ T6175] sysfs_create_dir_ns+0x244/0x264 [ 203.392102][ T6175] kobject_add_internal+0x594/0xc2c [ 203.393230][ T6175] kobject_init_and_add+0x128/0x194 [ 203.394219][ T6175] gfs2_sys_fs_add+0x208/0x428 [ 203.395248][ T6175] gfs2_fill_super+0xe20/0x1a9c [ 203.396120][ T6175] get_tree_bdev+0x35c/0x54c [ 203.397008][ T6175] gfs2_get_tree+0x58/0x1b8 [ 203.397987][ T6175] vfs_get_tree+0x90/0x278 [ 203.398885][ T6175] do_new_mount+0x228/0x818 [ 203.399831][ T6175] path_mount+0x57c/0xfe8 [ 203.400695][ T6175] __arm64_sys_mount+0x488/0x5f8 [ 203.401722][ T6175] invoke_syscall+0x98/0x28c [ 203.402669][ T6175] el0_svc_common+0x13c/0x258 [ 203.403715][ T6175] do_el0_svc+0x5c/0x140 [ 203.404788][ T6175] el0_svc+0x78/0x1d4 [ 203.405503][ T6175] el0t_64_sync_handler+0xcc/0xe4 [ 203.407593][ T6175] el0t_64_sync+0x1a0/0x1a4 [ 203.409199][ T6175] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 203.412214][ T6175] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 203.609671][ T6178] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 203.611804][ T6178] CPU: 0 PID: 6178 Comm: syz.1.472 Not tainted syzkaller #0 [ 203.613204][ T6178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.615136][ T6178] Call trace: [ 203.615793][ T6178] dump_backtrace+0x0/0x458 [ 203.616701][ T6178] show_stack+0x2c/0x3c [ 203.617602][ T6178] __dump_stack+0x30/0x40 [ 203.618487][ T6178] dump_stack_lvl+0xf4/0x15c [ 203.619377][ T6178] dump_stack+0x1c/0x5c [ 203.620327][ T6178] sysfs_create_dir_ns+0x244/0x264 [ 203.621333][ T6178] kobject_add_internal+0x594/0xc2c [ 203.622362][ T6178] kobject_init_and_add+0x128/0x194 [ 203.623317][ T6178] gfs2_sys_fs_add+0x208/0x428 [ 203.624337][ T6178] gfs2_fill_super+0xe20/0x1a9c [ 203.625289][ T6178] get_tree_bdev+0x35c/0x54c [ 203.626139][ T6178] gfs2_get_tree+0x58/0x1b8 [ 203.627038][ T6178] vfs_get_tree+0x90/0x278 [ 203.627917][ T6178] do_new_mount+0x228/0x818 [ 203.628775][ T6178] path_mount+0x57c/0xfe8 [ 203.629622][ T6178] __arm64_sys_mount+0x488/0x5f8 [ 203.630541][ T6178] invoke_syscall+0x98/0x28c [ 203.631402][ T6178] el0_svc_common+0x13c/0x258 [ 203.632367][ T6178] do_el0_svc+0x5c/0x140 [ 203.633274][ T6178] el0_svc+0x78/0x1d4 [ 203.634215][ T6178] el0t_64_sync_handler+0xcc/0xe4 [ 203.635301][ T6178] el0t_64_sync+0x1a0/0x1a4 [ 203.637962][ T6178] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 203.640865][ T6178] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 203.938368][ T6181] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 203.940357][ T6181] CPU: 1 PID: 6181 Comm: syz.1.473 Not tainted syzkaller #0 [ 203.941765][ T6181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 203.943924][ T6181] Call trace: [ 203.944740][ T6181] dump_backtrace+0x0/0x458 [ 203.945647][ T6181] show_stack+0x2c/0x3c [ 203.946468][ T6181] __dump_stack+0x30/0x40 [ 203.947405][ T6181] dump_stack_lvl+0xf4/0x15c [ 203.948419][ T6181] dump_stack+0x1c/0x5c [ 203.949311][ T6181] sysfs_create_dir_ns+0x244/0x264 [ 203.950499][ T6181] kobject_add_internal+0x594/0xc2c [ 203.951705][ T6181] kobject_init_and_add+0x128/0x194 [ 203.952918][ T6181] gfs2_sys_fs_add+0x208/0x428 [ 203.953968][ T6181] gfs2_fill_super+0xe20/0x1a9c [ 203.954946][ T6181] get_tree_bdev+0x35c/0x54c [ 203.955891][ T6181] gfs2_get_tree+0x58/0x1b8 [ 203.956766][ T6181] vfs_get_tree+0x90/0x278 [ 203.957720][ T6181] do_new_mount+0x228/0x818 [ 203.958732][ T6181] path_mount+0x57c/0xfe8 [ 203.959750][ T6181] __arm64_sys_mount+0x488/0x5f8 [ 203.960901][ T6181] invoke_syscall+0x98/0x28c [ 203.961933][ T6181] el0_svc_common+0x13c/0x258 [ 203.963027][ T6181] do_el0_svc+0x5c/0x140 [ 203.963993][ T6181] el0_svc+0x78/0x1d4 [ 203.964852][ T6181] el0t_64_sync_handler+0xcc/0xe4 [ 203.965881][ T6181] el0t_64_sync+0x1a0/0x1a4 [ 203.967072][ T6181] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 203.970411][ T6181] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 204.175245][ T6184] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 204.177250][ T6184] CPU: 1 PID: 6184 Comm: syz.1.474 Not tainted syzkaller #0 [ 204.178655][ T6184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.180614][ T6184] Call trace: [ 204.181247][ T6184] dump_backtrace+0x0/0x458 [ 204.182154][ T6184] show_stack+0x2c/0x3c [ 204.182883][ T6184] __dump_stack+0x30/0x40 [ 204.183649][ T6184] dump_stack_lvl+0xf4/0x15c [ 204.184602][ T6184] dump_stack+0x1c/0x5c [ 204.185522][ T6184] sysfs_create_dir_ns+0x244/0x264 [ 204.186579][ T6184] kobject_add_internal+0x594/0xc2c [ 204.187648][ T6184] kobject_init_and_add+0x128/0x194 [ 204.188746][ T6184] gfs2_sys_fs_add+0x208/0x428 [ 204.189689][ T6184] gfs2_fill_super+0xe20/0x1a9c [ 204.190705][ T6184] get_tree_bdev+0x35c/0x54c [ 204.191662][ T6184] gfs2_get_tree+0x58/0x1b8 [ 204.192637][ T6184] vfs_get_tree+0x90/0x278 [ 204.193528][ T6184] do_new_mount+0x228/0x818 [ 204.194457][ T6184] path_mount+0x57c/0xfe8 [ 204.195291][ T6184] __arm64_sys_mount+0x488/0x5f8 [ 204.196274][ T6184] invoke_syscall+0x98/0x28c [ 204.197293][ T6184] el0_svc_common+0x13c/0x258 [ 204.198355][ T6184] do_el0_svc+0x5c/0x140 [ 204.199388][ T6184] el0_svc+0x78/0x1d4 [ 204.200248][ T6184] el0t_64_sync_handler+0xcc/0xe4 [ 204.201389][ T6184] el0t_64_sync+0x1a0/0x1a4 [ 204.204768][ T6184] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 204.215055][ T6184] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 204.440649][ T6187] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 204.442819][ T6187] CPU: 0 PID: 6187 Comm: syz.1.475 Not tainted syzkaller #0 [ 204.444186][ T6187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.446220][ T6187] Call trace: [ 204.446892][ T6187] dump_backtrace+0x0/0x458 [ 204.447820][ T6187] show_stack+0x2c/0x3c [ 204.448638][ T6187] __dump_stack+0x30/0x40 [ 204.449582][ T6187] dump_stack_lvl+0xf4/0x15c [ 204.450567][ T6187] dump_stack+0x1c/0x5c [ 204.451523][ T6187] sysfs_create_dir_ns+0x244/0x264 [ 204.452638][ T6187] kobject_add_internal+0x594/0xc2c [ 204.453702][ T6187] kobject_init_and_add+0x128/0x194 [ 204.454779][ T6187] gfs2_sys_fs_add+0x208/0x428 [ 204.455855][ T6187] gfs2_fill_super+0xe20/0x1a9c [ 204.456894][ T6187] get_tree_bdev+0x35c/0x54c [ 204.457814][ T6187] gfs2_get_tree+0x58/0x1b8 [ 204.458778][ T6187] vfs_get_tree+0x90/0x278 [ 204.459643][ T6187] do_new_mount+0x228/0x818 [ 204.460576][ T6187] path_mount+0x57c/0xfe8 [ 204.461493][ T6187] __arm64_sys_mount+0x488/0x5f8 [ 204.462403][ T6187] invoke_syscall+0x98/0x28c [ 204.463346][ T6187] el0_svc_common+0x13c/0x258 [ 204.464378][ T6187] do_el0_svc+0x5c/0x140 [ 204.465300][ T6187] el0_svc+0x78/0x1d4 [ 204.466138][ T6187] el0t_64_sync_handler+0xcc/0xe4 [ 204.467238][ T6187] el0t_64_sync+0x1a0/0x1a4 [ 204.468392][ T6187] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 204.471587][ T6187] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 204.751303][ T6190] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 204.753382][ T6190] CPU: 1 PID: 6190 Comm: syz.1.476 Not tainted syzkaller #0 [ 204.754876][ T6190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 204.756934][ T6190] Call trace: [ 204.757592][ T6190] dump_backtrace+0x0/0x458 [ 204.758530][ T6190] show_stack+0x2c/0x3c [ 204.759380][ T6190] __dump_stack+0x30/0x40 [ 204.760328][ T6190] dump_stack_lvl+0xf4/0x15c [ 204.761234][ T6190] dump_stack+0x1c/0x5c [ 204.762006][ T6190] sysfs_create_dir_ns+0x244/0x264 [ 204.763087][ T6190] kobject_add_internal+0x594/0xc2c [ 204.764075][ T6190] kobject_init_and_add+0x128/0x194 [ 204.765175][ T6190] gfs2_sys_fs_add+0x208/0x428 [ 204.766224][ T6190] gfs2_fill_super+0xe20/0x1a9c [ 204.767269][ T6190] get_tree_bdev+0x35c/0x54c [ 204.768251][ T6190] gfs2_get_tree+0x58/0x1b8 [ 204.769167][ T6190] vfs_get_tree+0x90/0x278 [ 204.770066][ T6190] do_new_mount+0x228/0x818 [ 204.771061][ T6190] path_mount+0x57c/0xfe8 [ 204.771985][ T6190] __arm64_sys_mount+0x488/0x5f8 [ 204.773056][ T6190] invoke_syscall+0x98/0x28c [ 204.773982][ T6190] el0_svc_common+0x13c/0x258 [ 204.774963][ T6190] do_el0_svc+0x5c/0x140 [ 204.775869][ T6190] el0_svc+0x78/0x1d4 [ 204.776656][ T6190] el0t_64_sync_handler+0xcc/0xe4 [ 204.777711][ T6190] el0t_64_sync+0x1a0/0x1a4 [ 204.780175][ T6190] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 204.783450][ T6190] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 205.035366][ T6193] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 205.037010][ T6193] CPU: 0 PID: 6193 Comm: syz.1.477 Not tainted syzkaller #0 [ 205.038716][ T6193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.040550][ T6193] Call trace: [ 205.041160][ T6193] dump_backtrace+0x0/0x458 [ 205.041939][ T6193] show_stack+0x2c/0x3c [ 205.042679][ T6193] __dump_stack+0x30/0x40 [ 205.043515][ T6193] dump_stack_lvl+0xf4/0x15c [ 205.044473][ T6193] dump_stack+0x1c/0x5c [ 205.045328][ T6193] sysfs_create_dir_ns+0x244/0x264 [ 205.046324][ T6193] kobject_add_internal+0x594/0xc2c [ 205.047342][ T6193] kobject_init_and_add+0x128/0x194 [ 205.048336][ T6193] gfs2_sys_fs_add+0x208/0x428 [ 205.049276][ T6193] gfs2_fill_super+0xe20/0x1a9c [ 205.050208][ T6193] get_tree_bdev+0x35c/0x54c [ 205.051147][ T6193] gfs2_get_tree+0x58/0x1b8 [ 205.052061][ T6193] vfs_get_tree+0x90/0x278 [ 205.052980][ T6193] do_new_mount+0x228/0x818 [ 205.053971][ T6193] path_mount+0x57c/0xfe8 [ 205.054796][ T6193] __arm64_sys_mount+0x488/0x5f8 [ 205.055821][ T6193] invoke_syscall+0x98/0x28c [ 205.056702][ T6193] el0_svc_common+0x13c/0x258 [ 205.057616][ T6193] do_el0_svc+0x5c/0x140 [ 205.058429][ T6193] el0_svc+0x78/0x1d4 [ 205.059147][ T6193] el0t_64_sync_handler+0xcc/0xe4 [ 205.060033][ T6193] el0t_64_sync+0x1a0/0x1a4 [ 205.061033][ T6193] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 205.063937][ T6193] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:25 executed programs: 464 [ 205.206304][ T6196] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 205.208508][ T6196] CPU: 1 PID: 6196 Comm: syz.1.478 Not tainted syzkaller #0 [ 205.210071][ T6196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.212235][ T6196] Call trace: [ 205.212917][ T6196] dump_backtrace+0x0/0x458 [ 205.213884][ T6196] show_stack+0x2c/0x3c [ 205.214807][ T6196] __dump_stack+0x30/0x40 [ 205.215699][ T6196] dump_stack_lvl+0xf4/0x15c [ 205.216667][ T6196] dump_stack+0x1c/0x5c [ 205.217471][ T6196] sysfs_create_dir_ns+0x244/0x264 [ 205.218489][ T6196] kobject_add_internal+0x594/0xc2c [ 205.219524][ T6196] kobject_init_and_add+0x128/0x194 [ 205.220689][ T6196] gfs2_sys_fs_add+0x208/0x428 [ 205.221671][ T6196] gfs2_fill_super+0xe20/0x1a9c [ 205.222619][ T6196] get_tree_bdev+0x35c/0x54c [ 205.223550][ T6196] gfs2_get_tree+0x58/0x1b8 [ 205.224450][ T6196] vfs_get_tree+0x90/0x278 [ 205.225358][ T6196] do_new_mount+0x228/0x818 [ 205.226256][ T6196] path_mount+0x57c/0xfe8 [ 205.227152][ T6196] __arm64_sys_mount+0x488/0x5f8 [ 205.228166][ T6196] invoke_syscall+0x98/0x28c [ 205.228945][ T6196] el0_svc_common+0x13c/0x258 [ 205.229735][ T6196] do_el0_svc+0x5c/0x140 [ 205.230563][ T6196] el0_svc+0x78/0x1d4 [ 205.231452][ T6196] el0t_64_sync_handler+0xcc/0xe4 [ 205.232533][ T6196] el0t_64_sync+0x1a0/0x1a4 [ 205.236611][ T6196] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 205.239604][ T6196] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 205.460680][ T6199] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 205.462582][ T6199] CPU: 0 PID: 6199 Comm: syz.1.479 Not tainted syzkaller #0 [ 205.463983][ T6199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.465933][ T6199] Call trace: [ 205.466604][ T6199] dump_backtrace+0x0/0x458 [ 205.467610][ T6199] show_stack+0x2c/0x3c [ 205.468515][ T6199] __dump_stack+0x30/0x40 [ 205.469445][ T6199] dump_stack_lvl+0xf4/0x15c [ 205.470366][ T6199] dump_stack+0x1c/0x5c [ 205.471167][ T6199] sysfs_create_dir_ns+0x244/0x264 [ 205.472148][ T6199] kobject_add_internal+0x594/0xc2c [ 205.473172][ T6199] kobject_init_and_add+0x128/0x194 [ 205.474233][ T6199] gfs2_sys_fs_add+0x208/0x428 [ 205.475118][ T6199] gfs2_fill_super+0xe20/0x1a9c [ 205.476099][ T6199] get_tree_bdev+0x35c/0x54c [ 205.476956][ T6199] gfs2_get_tree+0x58/0x1b8 [ 205.477817][ T6199] vfs_get_tree+0x90/0x278 [ 205.478681][ T6199] do_new_mount+0x228/0x818 [ 205.479484][ T6199] path_mount+0x57c/0xfe8 [ 205.480319][ T6199] __arm64_sys_mount+0x488/0x5f8 [ 205.481305][ T6199] invoke_syscall+0x98/0x28c [ 205.482231][ T6199] el0_svc_common+0x13c/0x258 [ 205.483123][ T6199] do_el0_svc+0x5c/0x140 [ 205.484011][ T6199] el0_svc+0x78/0x1d4 [ 205.484932][ T6199] el0t_64_sync_handler+0xcc/0xe4 [ 205.485926][ T6199] el0t_64_sync+0x1a0/0x1a4 [ 205.486996][ T6199] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 205.490343][ T6199] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 205.684298][ T6202] set_capacity_and_notify: 9 callbacks suppressed [ 205.684309][ T6202] loop1: detected capacity change from 0 to 32768 [ 205.739889][ T6202] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 205.741936][ T6202] CPU: 1 PID: 6202 Comm: syz.1.480 Not tainted syzkaller #0 [ 205.743349][ T6202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.745188][ T6202] Call trace: [ 205.745844][ T6202] dump_backtrace+0x0/0x458 [ 205.746782][ T6202] show_stack+0x2c/0x3c [ 205.747617][ T6202] __dump_stack+0x30/0x40 [ 205.748562][ T6202] dump_stack_lvl+0xf4/0x15c [ 205.749624][ T6202] dump_stack+0x1c/0x5c [ 205.750491][ T6202] sysfs_create_dir_ns+0x244/0x264 [ 205.751517][ T6202] kobject_add_internal+0x594/0xc2c [ 205.752892][ T6202] kobject_init_and_add+0x128/0x194 [ 205.753965][ T6202] gfs2_sys_fs_add+0x208/0x428 [ 205.754967][ T6202] gfs2_fill_super+0xe20/0x1a9c [ 205.755954][ T6202] get_tree_bdev+0x35c/0x54c [ 205.756954][ T6202] gfs2_get_tree+0x58/0x1b8 [ 205.757937][ T6202] vfs_get_tree+0x90/0x278 [ 205.758901][ T6202] do_new_mount+0x228/0x818 [ 205.759886][ T6202] path_mount+0x57c/0xfe8 [ 205.760747][ T6202] __arm64_sys_mount+0x488/0x5f8 [ 205.761813][ T6202] invoke_syscall+0x98/0x28c [ 205.762870][ T6202] el0_svc_common+0x13c/0x258 [ 205.763952][ T6202] do_el0_svc+0x5c/0x140 [ 205.764854][ T6202] el0_svc+0x78/0x1d4 [ 205.765616][ T6202] el0t_64_sync_handler+0xcc/0xe4 [ 205.766692][ T6202] el0t_64_sync+0x1a0/0x1a4 [ 205.769272][ T6202] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 205.772411][ T6202] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 205.943198][ T6205] loop1: detected capacity change from 0 to 32768 [ 205.993374][ T6205] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 205.996474][ T6205] CPU: 0 PID: 6205 Comm: syz.1.481 Not tainted syzkaller #0 [ 205.997866][ T6205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 205.999889][ T6205] Call trace: [ 206.000524][ T6205] dump_backtrace+0x0/0x458 [ 206.001465][ T6205] show_stack+0x2c/0x3c [ 206.002292][ T6205] __dump_stack+0x30/0x40 [ 206.003229][ T6205] dump_stack_lvl+0xf4/0x15c [ 206.004198][ T6205] dump_stack+0x1c/0x5c [ 206.005069][ T6205] sysfs_create_dir_ns+0x244/0x264 [ 206.006147][ T6205] kobject_add_internal+0x594/0xc2c [ 206.007280][ T6205] kobject_init_and_add+0x128/0x194 [ 206.008373][ T6205] gfs2_sys_fs_add+0x208/0x428 [ 206.009385][ T6205] gfs2_fill_super+0xe20/0x1a9c [ 206.010379][ T6205] get_tree_bdev+0x35c/0x54c [ 206.011370][ T6205] gfs2_get_tree+0x58/0x1b8 [ 206.012331][ T6205] vfs_get_tree+0x90/0x278 [ 206.013251][ T6205] do_new_mount+0x228/0x818 [ 206.014191][ T6205] path_mount+0x57c/0xfe8 [ 206.015116][ T6205] __arm64_sys_mount+0x488/0x5f8 [ 206.016178][ T6205] invoke_syscall+0x98/0x28c [ 206.017183][ T6205] el0_svc_common+0x13c/0x258 [ 206.018195][ T6205] do_el0_svc+0x5c/0x140 [ 206.019144][ T6205] el0_svc+0x78/0x1d4 [ 206.019976][ T6205] el0t_64_sync_handler+0xcc/0xe4 [ 206.021046][ T6205] el0t_64_sync+0x1a0/0x1a4 [ 206.022263][ T6205] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 206.026067][ T6205] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 206.161128][ T6208] loop1: detected capacity change from 0 to 32768 [ 206.201344][ T6208] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 206.203528][ T6208] CPU: 0 PID: 6208 Comm: syz.1.482 Not tainted syzkaller #0 [ 206.205054][ T6208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.207204][ T6208] Call trace: [ 206.207827][ T6208] dump_backtrace+0x0/0x458 [ 206.208794][ T6208] show_stack+0x2c/0x3c [ 206.209618][ T6208] __dump_stack+0x30/0x40 [ 206.210510][ T6208] dump_stack_lvl+0xf4/0x15c [ 206.211469][ T6208] dump_stack+0x1c/0x5c [ 206.212400][ T6208] sysfs_create_dir_ns+0x244/0x264 [ 206.213486][ T6208] kobject_add_internal+0x594/0xc2c [ 206.214548][ T6208] kobject_init_and_add+0x128/0x194 [ 206.215655][ T6208] gfs2_sys_fs_add+0x208/0x428 [ 206.216603][ T6208] gfs2_fill_super+0xe20/0x1a9c [ 206.217659][ T6208] get_tree_bdev+0x35c/0x54c [ 206.218623][ T6208] gfs2_get_tree+0x58/0x1b8 [ 206.219524][ T6208] vfs_get_tree+0x90/0x278 [ 206.220440][ T6208] do_new_mount+0x228/0x818 [ 206.221393][ T6208] path_mount+0x57c/0xfe8 [ 206.222250][ T6208] __arm64_sys_mount+0x488/0x5f8 [ 206.223282][ T6208] invoke_syscall+0x98/0x28c [ 206.224263][ T6208] el0_svc_common+0x13c/0x258 [ 206.225191][ T6208] do_el0_svc+0x5c/0x140 [ 206.226081][ T6208] el0_svc+0x78/0x1d4 [ 206.226841][ T6208] el0t_64_sync_handler+0xcc/0xe4 [ 206.227793][ T6208] el0t_64_sync+0x1a0/0x1a4 [ 206.228809][ T6208] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 206.231906][ T6208] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 206.369871][ T6211] loop1: detected capacity change from 0 to 32768 [ 206.378982][ T6211] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 206.380939][ T6211] CPU: 0 PID: 6211 Comm: syz.1.483 Not tainted syzkaller #0 [ 206.382319][ T6211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.384356][ T6211] Call trace: [ 206.385032][ T6211] dump_backtrace+0x0/0x458 [ 206.386014][ T6211] show_stack+0x2c/0x3c [ 206.386877][ T6211] __dump_stack+0x30/0x40 [ 206.387735][ T6211] dump_stack_lvl+0xf4/0x15c [ 206.388661][ T6211] dump_stack+0x1c/0x5c [ 206.389530][ T6211] sysfs_create_dir_ns+0x244/0x264 [ 206.390570][ T6211] kobject_add_internal+0x594/0xc2c [ 206.391606][ T6211] kobject_init_and_add+0x128/0x194 [ 206.392683][ T6211] gfs2_sys_fs_add+0x208/0x428 [ 206.393724][ T6211] gfs2_fill_super+0xe20/0x1a9c [ 206.394724][ T6211] get_tree_bdev+0x35c/0x54c [ 206.395636][ T6211] gfs2_get_tree+0x58/0x1b8 [ 206.396624][ T6211] vfs_get_tree+0x90/0x278 [ 206.397531][ T6211] do_new_mount+0x228/0x818 [ 206.398444][ T6211] path_mount+0x57c/0xfe8 [ 206.399266][ T6211] __arm64_sys_mount+0x488/0x5f8 [ 206.400283][ T6211] invoke_syscall+0x98/0x28c [ 206.401198][ T6211] el0_svc_common+0x13c/0x258 [ 206.402040][ T6211] do_el0_svc+0x5c/0x140 [ 206.402934][ T6211] el0_svc+0x78/0x1d4 [ 206.403696][ T6211] el0t_64_sync_handler+0xcc/0xe4 [ 206.404605][ T6211] el0t_64_sync+0x1a0/0x1a4 [ 206.407356][ T6211] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 206.410334][ T6211] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 206.547936][ T6214] loop1: detected capacity change from 0 to 32768 [ 206.556574][ T6214] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 206.558597][ T6214] CPU: 1 PID: 6214 Comm: syz.1.484 Not tainted syzkaller #0 [ 206.560002][ T6214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.561991][ T6214] Call trace: [ 206.562627][ T6214] dump_backtrace+0x0/0x458 [ 206.563454][ T6214] show_stack+0x2c/0x3c [ 206.564295][ T6214] __dump_stack+0x30/0x40 [ 206.565144][ T6214] dump_stack_lvl+0xf4/0x15c [ 206.566071][ T6214] dump_stack+0x1c/0x5c [ 206.566921][ T6214] sysfs_create_dir_ns+0x244/0x264 [ 206.567954][ T6214] kobject_add_internal+0x594/0xc2c [ 206.569005][ T6214] kobject_init_and_add+0x128/0x194 [ 206.570123][ T6214] gfs2_sys_fs_add+0x208/0x428 [ 206.571053][ T6214] gfs2_fill_super+0xe20/0x1a9c [ 206.572034][ T6214] get_tree_bdev+0x35c/0x54c [ 206.572997][ T6214] gfs2_get_tree+0x58/0x1b8 [ 206.573885][ T6214] vfs_get_tree+0x90/0x278 [ 206.574729][ T6214] do_new_mount+0x228/0x818 [ 206.575662][ T6214] path_mount+0x57c/0xfe8 [ 206.576424][ T6214] __arm64_sys_mount+0x488/0x5f8 [ 206.577416][ T6214] invoke_syscall+0x98/0x28c [ 206.578331][ T6214] el0_svc_common+0x13c/0x258 [ 206.579277][ T6214] do_el0_svc+0x5c/0x140 [ 206.580211][ T6214] el0_svc+0x78/0x1d4 [ 206.581007][ T6214] el0t_64_sync_handler+0xcc/0xe4 [ 206.582031][ T6214] el0t_64_sync+0x1a0/0x1a4 [ 206.586219][ T6214] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 206.588961][ T6214] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 206.724986][ T6217] loop1: detected capacity change from 0 to 32768 [ 206.811262][ T6217] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 206.813199][ T6217] CPU: 1 PID: 6217 Comm: syz.1.485 Not tainted syzkaller #0 [ 206.814536][ T6217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 206.816412][ T6217] Call trace: [ 206.816994][ T6217] dump_backtrace+0x0/0x458 [ 206.817853][ T6217] show_stack+0x2c/0x3c [ 206.818623][ T6217] __dump_stack+0x30/0x40 [ 206.819537][ T6217] dump_stack_lvl+0xf4/0x15c [ 206.820534][ T6217] dump_stack+0x1c/0x5c [ 206.821372][ T6217] sysfs_create_dir_ns+0x244/0x264 [ 206.822443][ T6217] kobject_add_internal+0x594/0xc2c [ 206.823560][ T6217] kobject_init_and_add+0x128/0x194 [ 206.824627][ T6217] gfs2_sys_fs_add+0x208/0x428 [ 206.825676][ T6217] gfs2_fill_super+0xe20/0x1a9c [ 206.826692][ T6217] get_tree_bdev+0x35c/0x54c [ 206.827519][ T6217] gfs2_get_tree+0x58/0x1b8 [ 206.828304][ T6217] vfs_get_tree+0x90/0x278 [ 206.829102][ T6217] do_new_mount+0x228/0x818 [ 206.829948][ T6217] path_mount+0x57c/0xfe8 [ 206.830638][ T6217] __arm64_sys_mount+0x488/0x5f8 [ 206.831518][ T6217] invoke_syscall+0x98/0x28c [ 206.832366][ T6217] el0_svc_common+0x13c/0x258 [ 206.833236][ T6217] do_el0_svc+0x5c/0x140 [ 206.834104][ T6217] el0_svc+0x78/0x1d4 [ 206.834885][ T6217] el0t_64_sync_handler+0xcc/0xe4 [ 206.835971][ T6217] el0t_64_sync+0x1a0/0x1a4 [ 206.838578][ T6217] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 206.841224][ T6217] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 207.024493][ T6220] loop1: detected capacity change from 0 to 32768 [ 207.080437][ T6220] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 207.082612][ T6220] CPU: 1 PID: 6220 Comm: syz.1.486 Not tainted syzkaller #0 [ 207.084147][ T6220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.086358][ T6220] Call trace: [ 207.087086][ T6220] dump_backtrace+0x0/0x458 [ 207.088104][ T6220] show_stack+0x2c/0x3c [ 207.088924][ T6220] __dump_stack+0x30/0x40 [ 207.089918][ T6220] dump_stack_lvl+0xf4/0x15c [ 207.090931][ T6220] dump_stack+0x1c/0x5c [ 207.091878][ T6220] sysfs_create_dir_ns+0x244/0x264 [ 207.092952][ T6220] kobject_add_internal+0x594/0xc2c [ 207.094041][ T6220] kobject_init_and_add+0x128/0x194 [ 207.095130][ T6220] gfs2_sys_fs_add+0x208/0x428 [ 207.096272][ T6220] gfs2_fill_super+0xe20/0x1a9c [ 207.097331][ T6220] get_tree_bdev+0x35c/0x54c [ 207.098288][ T6220] gfs2_get_tree+0x58/0x1b8 [ 207.099286][ T6220] vfs_get_tree+0x90/0x278 [ 207.100262][ T6220] do_new_mount+0x228/0x818 [ 207.101231][ T6220] path_mount+0x57c/0xfe8 [ 207.102250][ T6220] __arm64_sys_mount+0x488/0x5f8 [ 207.103261][ T6220] invoke_syscall+0x98/0x28c [ 207.104244][ T6220] el0_svc_common+0x13c/0x258 [ 207.105194][ T6220] do_el0_svc+0x5c/0x140 [ 207.106061][ T6220] el0_svc+0x78/0x1d4 [ 207.106886][ T6220] el0t_64_sync_handler+0xcc/0xe4 [ 207.107966][ T6220] el0t_64_sync+0x1a0/0x1a4 [ 207.110510][ T6220] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 207.113598][ T6220] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 207.339681][ T6223] loop1: detected capacity change from 0 to 32768 [ 207.381524][ T6223] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 207.383656][ T6223] CPU: 0 PID: 6223 Comm: syz.1.487 Not tainted syzkaller #0 [ 207.385113][ T6223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.387096][ T6223] Call trace: [ 207.387763][ T6223] dump_backtrace+0x0/0x458 [ 207.388788][ T6223] show_stack+0x2c/0x3c [ 207.389632][ T6223] __dump_stack+0x30/0x40 [ 207.390477][ T6223] dump_stack_lvl+0xf4/0x15c [ 207.391420][ T6223] dump_stack+0x1c/0x5c [ 207.392338][ T6223] sysfs_create_dir_ns+0x244/0x264 [ 207.393424][ T6223] kobject_add_internal+0x594/0xc2c [ 207.394566][ T6223] kobject_init_and_add+0x128/0x194 [ 207.395628][ T6223] gfs2_sys_fs_add+0x208/0x428 [ 207.396694][ T6223] gfs2_fill_super+0xe20/0x1a9c [ 207.397694][ T6223] get_tree_bdev+0x35c/0x54c [ 207.398647][ T6223] gfs2_get_tree+0x58/0x1b8 [ 207.399562][ T6223] vfs_get_tree+0x90/0x278 [ 207.400494][ T6223] do_new_mount+0x228/0x818 [ 207.401395][ T6223] path_mount+0x57c/0xfe8 [ 207.402365][ T6223] __arm64_sys_mount+0x488/0x5f8 [ 207.403417][ T6223] invoke_syscall+0x98/0x28c [ 207.404337][ T6223] el0_svc_common+0x13c/0x258 [ 207.405292][ T6223] do_el0_svc+0x5c/0x140 [ 207.406174][ T6223] el0_svc+0x78/0x1d4 [ 207.406968][ T6223] el0t_64_sync_handler+0xcc/0xe4 [ 207.408021][ T6223] el0t_64_sync+0x1a0/0x1a4 [ 207.409723][ T6223] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 207.412678][ T6223] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 207.583628][ T6226] loop1: detected capacity change from 0 to 32768 [ 207.625377][ T6226] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 207.627445][ T6226] CPU: 0 PID: 6226 Comm: syz.1.488 Not tainted syzkaller #0 [ 207.628973][ T6226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.630984][ T6226] Call trace: [ 207.631651][ T6226] dump_backtrace+0x0/0x458 [ 207.632520][ T6226] show_stack+0x2c/0x3c [ 207.633264][ T6226] __dump_stack+0x30/0x40 [ 207.634220][ T6226] dump_stack_lvl+0xf4/0x15c [ 207.635235][ T6226] dump_stack+0x1c/0x5c [ 207.636086][ T6226] sysfs_create_dir_ns+0x244/0x264 [ 207.637164][ T6226] kobject_add_internal+0x594/0xc2c [ 207.638241][ T6226] kobject_init_and_add+0x128/0x194 [ 207.639335][ T6226] gfs2_sys_fs_add+0x208/0x428 [ 207.640325][ T6226] gfs2_fill_super+0xe20/0x1a9c [ 207.641346][ T6226] get_tree_bdev+0x35c/0x54c [ 207.642267][ T6226] gfs2_get_tree+0x58/0x1b8 [ 207.643173][ T6226] vfs_get_tree+0x90/0x278 [ 207.644007][ T6226] do_new_mount+0x228/0x818 [ 207.644944][ T6226] path_mount+0x57c/0xfe8 [ 207.645840][ T6226] __arm64_sys_mount+0x488/0x5f8 [ 207.646796][ T6226] invoke_syscall+0x98/0x28c [ 207.647604][ T6226] el0_svc_common+0x13c/0x258 [ 207.648442][ T6226] do_el0_svc+0x5c/0x140 [ 207.649211][ T6226] el0_svc+0x78/0x1d4 [ 207.649976][ T6226] el0t_64_sync_handler+0xcc/0xe4 [ 207.651066][ T6226] el0t_64_sync+0x1a0/0x1a4 [ 207.665132][ T6226] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 207.668298][ T6226] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 207.910285][ T6229] loop1: detected capacity change from 0 to 32768 [ 207.985595][ T6229] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 207.987638][ T6229] CPU: 0 PID: 6229 Comm: syz.1.489 Not tainted syzkaller #0 [ 207.989011][ T6229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 207.990904][ T6229] Call trace: [ 207.991442][ T6229] dump_backtrace+0x0/0x458 [ 207.992176][ T6229] show_stack+0x2c/0x3c [ 207.992881][ T6229] __dump_stack+0x30/0x40 [ 207.993753][ T6229] dump_stack_lvl+0xf4/0x15c [ 207.994632][ T6229] dump_stack+0x1c/0x5c [ 207.995379][ T6229] sysfs_create_dir_ns+0x244/0x264 [ 207.996352][ T6229] kobject_add_internal+0x594/0xc2c [ 207.997393][ T6229] kobject_init_and_add+0x128/0x194 [ 207.998397][ T6229] gfs2_sys_fs_add+0x208/0x428 [ 207.999399][ T6229] gfs2_fill_super+0xe20/0x1a9c [ 208.000421][ T6229] get_tree_bdev+0x35c/0x54c [ 208.001327][ T6229] gfs2_get_tree+0x58/0x1b8 [ 208.002306][ T6229] vfs_get_tree+0x90/0x278 [ 208.003249][ T6229] do_new_mount+0x228/0x818 [ 208.004254][ T6229] path_mount+0x57c/0xfe8 [ 208.005177][ T6229] __arm64_sys_mount+0x488/0x5f8 [ 208.006184][ T6229] invoke_syscall+0x98/0x28c [ 208.007189][ T6229] el0_svc_common+0x13c/0x258 [ 208.008032][ T6229] do_el0_svc+0x5c/0x140 [ 208.008846][ T6229] el0_svc+0x78/0x1d4 [ 208.009591][ T6229] el0t_64_sync_handler+0xcc/0xe4 [ 208.010634][ T6229] el0t_64_sync+0x1a0/0x1a4 [ 208.011876][ T6229] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 208.015084][ T6229] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 208.246736][ T6232] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 208.249432][ T6232] CPU: 0 PID: 6232 Comm: syz.1.490 Not tainted syzkaller #0 [ 208.250907][ T6232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.253130][ T6232] Call trace: [ 208.253852][ T6232] dump_backtrace+0x0/0x458 [ 208.254895][ T6232] show_stack+0x2c/0x3c [ 208.255755][ T6232] __dump_stack+0x30/0x40 [ 208.256678][ T6232] dump_stack_lvl+0xf4/0x15c [ 208.257620][ T6232] dump_stack+0x1c/0x5c [ 208.258461][ T6232] sysfs_create_dir_ns+0x244/0x264 [ 208.259542][ T6232] kobject_add_internal+0x594/0xc2c [ 208.260698][ T6232] kobject_init_and_add+0x128/0x194 [ 208.261757][ T6232] gfs2_sys_fs_add+0x208/0x428 [ 208.262774][ T6232] gfs2_fill_super+0xe20/0x1a9c [ 208.263763][ T6232] get_tree_bdev+0x35c/0x54c [ 208.264726][ T6232] gfs2_get_tree+0x58/0x1b8 [ 208.265684][ T6232] vfs_get_tree+0x90/0x278 [ 208.266652][ T6232] do_new_mount+0x228/0x818 [ 208.267631][ T6232] path_mount+0x57c/0xfe8 [ 208.268514][ T6232] __arm64_sys_mount+0x488/0x5f8 [ 208.269588][ T6232] invoke_syscall+0x98/0x28c [ 208.270568][ T6232] el0_svc_common+0x13c/0x258 [ 208.271464][ T6232] do_el0_svc+0x5c/0x140 [ 208.272333][ T6232] el0_svc+0x78/0x1d4 [ 208.273190][ T6232] el0t_64_sync_handler+0xcc/0xe4 [ 208.274280][ T6232] el0t_64_sync+0x1a0/0x1a4 [ 208.276093][ T6232] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 208.278969][ T6232] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 208.468957][ T6235] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 208.470813][ T6235] CPU: 0 PID: 6235 Comm: syz.1.491 Not tainted syzkaller #0 [ 208.472010][ T6235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.473875][ T6235] Call trace: [ 208.474498][ T6235] dump_backtrace+0x0/0x458 [ 208.475447][ T6235] show_stack+0x2c/0x3c [ 208.476233][ T6235] __dump_stack+0x30/0x40 [ 208.477137][ T6235] dump_stack_lvl+0xf4/0x15c [ 208.478051][ T6235] dump_stack+0x1c/0x5c [ 208.478807][ T6235] sysfs_create_dir_ns+0x244/0x264 [ 208.479858][ T6235] kobject_add_internal+0x594/0xc2c [ 208.480743][ T6235] kobject_init_and_add+0x128/0x194 [ 208.481626][ T6235] gfs2_sys_fs_add+0x208/0x428 [ 208.482431][ T6235] gfs2_fill_super+0xe20/0x1a9c [ 208.483254][ T6235] get_tree_bdev+0x35c/0x54c [ 208.484045][ T6235] gfs2_get_tree+0x58/0x1b8 [ 208.484816][ T6235] vfs_get_tree+0x90/0x278 [ 208.485582][ T6235] do_new_mount+0x228/0x818 [ 208.486466][ T6235] path_mount+0x57c/0xfe8 [ 208.487374][ T6235] __arm64_sys_mount+0x488/0x5f8 [ 208.488367][ T6235] invoke_syscall+0x98/0x28c [ 208.489344][ T6235] el0_svc_common+0x13c/0x258 [ 208.490297][ T6235] do_el0_svc+0x5c/0x140 [ 208.491168][ T6235] el0_svc+0x78/0x1d4 [ 208.491771][ T6235] el0t_64_sync_handler+0xcc/0xe4 [ 208.492560][ T6235] el0t_64_sync+0x1a0/0x1a4 [ 208.493550][ T6235] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 208.497189][ T6235] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 208.671038][ T6238] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 208.673043][ T6238] CPU: 0 PID: 6238 Comm: syz.1.492 Not tainted syzkaller #0 [ 208.674403][ T6238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.676378][ T6238] Call trace: [ 208.676908][ T6238] dump_backtrace+0x0/0x458 [ 208.677654][ T6238] show_stack+0x2c/0x3c [ 208.678379][ T6238] __dump_stack+0x30/0x40 [ 208.679147][ T6238] dump_stack_lvl+0xf4/0x15c [ 208.680041][ T6238] dump_stack+0x1c/0x5c [ 208.680879][ T6238] sysfs_create_dir_ns+0x244/0x264 [ 208.681848][ T6238] kobject_add_internal+0x594/0xc2c [ 208.682853][ T6238] kobject_init_and_add+0x128/0x194 [ 208.683805][ T6238] gfs2_sys_fs_add+0x208/0x428 [ 208.684635][ T6238] gfs2_fill_super+0xe20/0x1a9c [ 208.685516][ T6238] get_tree_bdev+0x35c/0x54c [ 208.686380][ T6238] gfs2_get_tree+0x58/0x1b8 [ 208.687178][ T6238] vfs_get_tree+0x90/0x278 [ 208.687966][ T6238] do_new_mount+0x228/0x818 [ 208.688830][ T6238] path_mount+0x57c/0xfe8 [ 208.689690][ T6238] __arm64_sys_mount+0x488/0x5f8 [ 208.690723][ T6238] invoke_syscall+0x98/0x28c [ 208.691634][ T6238] el0_svc_common+0x13c/0x258 [ 208.692500][ T6238] do_el0_svc+0x5c/0x140 [ 208.693344][ T6238] el0_svc+0x78/0x1d4 [ 208.694159][ T6238] el0t_64_sync_handler+0xcc/0xe4 [ 208.695124][ T6238] el0t_64_sync+0x1a0/0x1a4 [ 208.698105][ T6238] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 208.701250][ T6238] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 208.940612][ T6241] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 208.942451][ T6241] CPU: 0 PID: 6241 Comm: syz.1.493 Not tainted syzkaller #0 [ 208.943634][ T6241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 208.945384][ T6241] Call trace: [ 208.945984][ T6241] dump_backtrace+0x0/0x458 [ 208.946879][ T6241] show_stack+0x2c/0x3c [ 208.947688][ T6241] __dump_stack+0x30/0x40 [ 208.948555][ T6241] dump_stack_lvl+0xf4/0x15c [ 208.949887][ T6241] dump_stack+0x1c/0x5c [ 208.950646][ T6241] sysfs_create_dir_ns+0x244/0x264 [ 208.951508][ T6241] kobject_add_internal+0x594/0xc2c [ 208.952456][ T6241] kobject_init_and_add+0x128/0x194 [ 208.953400][ T6241] gfs2_sys_fs_add+0x208/0x428 [ 208.954363][ T6241] gfs2_fill_super+0xe20/0x1a9c [ 208.955426][ T6241] get_tree_bdev+0x35c/0x54c [ 208.956353][ T6241] gfs2_get_tree+0x58/0x1b8 [ 208.957305][ T6241] vfs_get_tree+0x90/0x278 [ 208.958149][ T6241] do_new_mount+0x228/0x818 [ 208.958960][ T6241] path_mount+0x57c/0xfe8 [ 208.959807][ T6241] __arm64_sys_mount+0x488/0x5f8 [ 208.960771][ T6241] invoke_syscall+0x98/0x28c [ 208.961578][ T6241] el0_svc_common+0x13c/0x258 [ 208.962432][ T6241] do_el0_svc+0x5c/0x140 [ 208.963290][ T6241] el0_svc+0x78/0x1d4 [ 208.964121][ T6241] el0t_64_sync_handler+0xcc/0xe4 [ 208.965167][ T6241] el0t_64_sync+0x1a0/0x1a4 [ 208.967679][ T6241] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 208.970840][ T6241] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.117348][ T6244] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.119404][ T6244] CPU: 1 PID: 6244 Comm: syz.1.494 Not tainted syzkaller #0 [ 209.120767][ T6244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.122891][ T6244] Call trace: [ 209.123528][ T6244] dump_backtrace+0x0/0x458 [ 209.124404][ T6244] show_stack+0x2c/0x3c [ 209.125269][ T6244] __dump_stack+0x30/0x40 [ 209.126257][ T6244] dump_stack_lvl+0xf4/0x15c [ 209.127290][ T6244] dump_stack+0x1c/0x5c [ 209.128057][ T6244] sysfs_create_dir_ns+0x244/0x264 [ 209.129044][ T6244] kobject_add_internal+0x594/0xc2c [ 209.130102][ T6244] kobject_init_and_add+0x128/0x194 [ 209.131201][ T6244] gfs2_sys_fs_add+0x208/0x428 [ 209.132236][ T6244] gfs2_fill_super+0xe20/0x1a9c [ 209.133301][ T6244] get_tree_bdev+0x35c/0x54c [ 209.134317][ T6244] gfs2_get_tree+0x58/0x1b8 [ 209.135270][ T6244] vfs_get_tree+0x90/0x278 [ 209.136194][ T6244] do_new_mount+0x228/0x818 [ 209.137084][ T6244] path_mount+0x57c/0xfe8 [ 209.137907][ T6244] __arm64_sys_mount+0x488/0x5f8 [ 209.138863][ T6244] invoke_syscall+0x98/0x28c [ 209.139900][ T6244] el0_svc_common+0x13c/0x258 [ 209.140855][ T6244] do_el0_svc+0x5c/0x140 [ 209.141613][ T6244] el0_svc+0x78/0x1d4 [ 209.142359][ T6244] el0t_64_sync_handler+0xcc/0xe4 [ 209.143355][ T6244] el0t_64_sync+0x1a0/0x1a4 [ 209.146035][ T6244] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.149005][ T6244] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.380095][ T6247] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.382139][ T6247] CPU: 0 PID: 6247 Comm: syz.1.495 Not tainted syzkaller #0 [ 209.383506][ T6247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.385757][ T6247] Call trace: [ 209.386470][ T6247] dump_backtrace+0x0/0x458 [ 209.387359][ T6247] show_stack+0x2c/0x3c [ 209.388126][ T6247] __dump_stack+0x30/0x40 [ 209.388964][ T6247] dump_stack_lvl+0xf4/0x15c [ 209.389848][ T6247] dump_stack+0x1c/0x5c [ 209.390683][ T6247] sysfs_create_dir_ns+0x244/0x264 [ 209.391648][ T6247] kobject_add_internal+0x594/0xc2c [ 209.392695][ T6247] kobject_init_and_add+0x128/0x194 [ 209.393822][ T6247] gfs2_sys_fs_add+0x208/0x428 [ 209.394842][ T6247] gfs2_fill_super+0xe20/0x1a9c [ 209.395815][ T6247] get_tree_bdev+0x35c/0x54c [ 209.396807][ T6247] gfs2_get_tree+0x58/0x1b8 [ 209.397779][ T6247] vfs_get_tree+0x90/0x278 [ 209.398683][ T6247] do_new_mount+0x228/0x818 [ 209.399560][ T6247] path_mount+0x57c/0xfe8 [ 209.400427][ T6247] __arm64_sys_mount+0x488/0x5f8 [ 209.401411][ T6247] invoke_syscall+0x98/0x28c [ 209.402285][ T6247] el0_svc_common+0x13c/0x258 [ 209.403155][ T6247] do_el0_svc+0x5c/0x140 [ 209.404060][ T6247] el0_svc+0x78/0x1d4 [ 209.404791][ T6247] el0t_64_sync_handler+0xcc/0xe4 [ 209.405807][ T6247] el0t_64_sync+0x1a0/0x1a4 [ 209.406968][ T6247] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.409901][ T6247] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.640275][ T6250] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.642392][ T6250] CPU: 0 PID: 6250 Comm: syz.1.496 Not tainted syzkaller #0 [ 209.643704][ T6250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.645838][ T6250] Call trace: [ 209.646489][ T6250] dump_backtrace+0x0/0x458 [ 209.647386][ T6250] show_stack+0x2c/0x3c [ 209.648203][ T6250] __dump_stack+0x30/0x40 [ 209.649143][ T6250] dump_stack_lvl+0xf4/0x15c [ 209.650108][ T6250] dump_stack+0x1c/0x5c [ 209.650989][ T6250] sysfs_create_dir_ns+0x244/0x264 [ 209.651991][ T6250] kobject_add_internal+0x594/0xc2c [ 209.652984][ T6250] kobject_init_and_add+0x128/0x194 [ 209.654006][ T6250] gfs2_sys_fs_add+0x208/0x428 [ 209.654843][ T6250] gfs2_fill_super+0xe20/0x1a9c [ 209.655805][ T6250] get_tree_bdev+0x35c/0x54c [ 209.656706][ T6250] gfs2_get_tree+0x58/0x1b8 [ 209.657613][ T6250] vfs_get_tree+0x90/0x278 [ 209.658457][ T6250] do_new_mount+0x228/0x818 [ 209.659326][ T6250] path_mount+0x57c/0xfe8 [ 209.660104][ T6250] __arm64_sys_mount+0x488/0x5f8 [ 209.661109][ T6250] invoke_syscall+0x98/0x28c [ 209.661971][ T6250] el0_svc_common+0x13c/0x258 [ 209.662922][ T6250] do_el0_svc+0x5c/0x140 [ 209.663798][ T6250] el0_svc+0x78/0x1d4 [ 209.664595][ T6250] el0t_64_sync_handler+0xcc/0xe4 [ 209.665567][ T6250] el0t_64_sync+0x1a0/0x1a4 [ 209.666681][ T6250] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.669508][ T6250] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.846103][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 209.848147][ T6253] CPU: 0 PID: 6253 Comm: syz.1.497 Not tainted syzkaller #0 [ 209.849523][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 209.851176][ T6253] Call trace: [ 209.851733][ T6253] dump_backtrace+0x0/0x458 [ 209.852523][ T6253] show_stack+0x2c/0x3c [ 209.853306][ T6253] __dump_stack+0x30/0x40 [ 209.854115][ T6253] dump_stack_lvl+0xf4/0x15c [ 209.854994][ T6253] dump_stack+0x1c/0x5c [ 209.855819][ T6253] sysfs_create_dir_ns+0x244/0x264 [ 209.856744][ T6253] kobject_add_internal+0x594/0xc2c [ 209.857731][ T6253] kobject_init_and_add+0x128/0x194 [ 209.858641][ T6253] gfs2_sys_fs_add+0x208/0x428 [ 209.859384][ T6253] gfs2_fill_super+0xe20/0x1a9c [ 209.860145][ T6253] get_tree_bdev+0x35c/0x54c [ 209.860960][ T6253] gfs2_get_tree+0x58/0x1b8 [ 209.861757][ T6253] vfs_get_tree+0x90/0x278 [ 209.862594][ T6253] do_new_mount+0x228/0x818 [ 209.863487][ T6253] path_mount+0x57c/0xfe8 [ 209.864412][ T6253] __arm64_sys_mount+0x488/0x5f8 [ 209.865313][ T6253] invoke_syscall+0x98/0x28c [ 209.866272][ T6253] el0_svc_common+0x13c/0x258 [ 209.867258][ T6253] do_el0_svc+0x5c/0x140 [ 209.868251][ T6253] el0_svc+0x78/0x1d4 [ 209.868981][ T6253] el0t_64_sync_handler+0xcc/0xe4 [ 209.869920][ T6253] el0t_64_sync+0x1a0/0x1a4 [ 209.872292][ T6253] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 209.875727][ T6253] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 209.944006][ T4161] Bluetooth: hci1: command 0x0406 tx timeout [ 210.026262][ T6256] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.028459][ T6256] CPU: 1 PID: 6256 Comm: syz.1.498 Not tainted syzkaller #0 [ 210.029874][ T6256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.031775][ T6256] Call trace: [ 210.032332][ T6256] dump_backtrace+0x0/0x458 [ 210.033132][ T6256] show_stack+0x2c/0x3c [ 210.033952][ T6256] __dump_stack+0x30/0x40 [ 210.034901][ T6256] dump_stack_lvl+0xf4/0x15c [ 210.035792][ T6256] dump_stack+0x1c/0x5c [ 210.036498][ T6256] sysfs_create_dir_ns+0x244/0x264 [ 210.037595][ T6256] kobject_add_internal+0x594/0xc2c [ 210.038646][ T6256] kobject_init_and_add+0x128/0x194 [ 210.039691][ T6256] gfs2_sys_fs_add+0x208/0x428 [ 210.040575][ T6256] gfs2_fill_super+0xe20/0x1a9c [ 210.041551][ T6256] get_tree_bdev+0x35c/0x54c [ 210.042453][ T6256] gfs2_get_tree+0x58/0x1b8 [ 210.043344][ T6256] vfs_get_tree+0x90/0x278 [ 210.044220][ T6256] do_new_mount+0x228/0x818 [ 210.045126][ T6256] path_mount+0x57c/0xfe8 [ 210.046060][ T6256] __arm64_sys_mount+0x488/0x5f8 [ 210.047153][ T6256] invoke_syscall+0x98/0x28c [ 210.048132][ T6256] el0_svc_common+0x13c/0x258 [ 210.049111][ T6256] do_el0_svc+0x5c/0x140 [ 210.049991][ T6256] el0_svc+0x78/0x1d4 [ 210.050811][ T6256] el0t_64_sync_handler+0xcc/0xe4 [ 210.051832][ T6256] el0t_64_sync+0x1a0/0x1a4 [ 210.053232][ T6256] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.056421][ T6256] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.204825][ T6259] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.206997][ T6259] CPU: 0 PID: 6259 Comm: syz.1.499 Not tainted syzkaller #0 [ 210.208371][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.210378][ T6259] Call trace: [ 210.211069][ T6259] dump_backtrace+0x0/0x458 [ 210.212061][ T6259] show_stack+0x2c/0x3c [ 210.213002][ T6259] __dump_stack+0x30/0x40 [ 210.213891][ T6259] dump_stack_lvl+0xf4/0x15c [ 210.214957][ T6259] dump_stack+0x1c/0x5c [ 210.215816][ T6259] sysfs_create_dir_ns+0x244/0x264 [ 210.216938][ T6259] kobject_add_internal+0x594/0xc2c [ 210.217945][ T6259] kobject_init_and_add+0x128/0x194 [ 210.218961][ T6259] gfs2_sys_fs_add+0x208/0x428 [ 210.219966][ T6259] gfs2_fill_super+0xe20/0x1a9c [ 210.221056][ T6259] get_tree_bdev+0x35c/0x54c [ 210.221966][ T6259] gfs2_get_tree+0x58/0x1b8 [ 210.222834][ T6259] vfs_get_tree+0x90/0x278 [ 210.223673][ T6259] do_new_mount+0x228/0x818 [ 210.224532][ T6259] path_mount+0x57c/0xfe8 [ 210.225401][ T6259] __arm64_sys_mount+0x488/0x5f8 [ 210.226304][ T6259] invoke_syscall+0x98/0x28c [ 210.227253][ T6259] el0_svc_common+0x13c/0x258 [ 210.228237][ T6259] do_el0_svc+0x5c/0x140 [ 210.229148][ T6259] el0_svc+0x78/0x1d4 [ 210.230096][ T6259] el0t_64_sync_handler+0xcc/0xe4 [ 210.231131][ T6259] el0t_64_sync+0x1a0/0x1a4 [ 210.235157][ T6259] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.238139][ T6259] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 486 [ 210.431611][ T6262] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.433509][ T6262] CPU: 0 PID: 6262 Comm: syz.1.500 Not tainted syzkaller #0 [ 210.434911][ T6262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.437153][ T6262] Call trace: [ 210.437847][ T6262] dump_backtrace+0x0/0x458 [ 210.438755][ T6262] show_stack+0x2c/0x3c [ 210.439595][ T6262] __dump_stack+0x30/0x40 [ 210.440355][ T6262] dump_stack_lvl+0xf4/0x15c [ 210.441226][ T6262] dump_stack+0x1c/0x5c [ 210.442034][ T6262] sysfs_create_dir_ns+0x244/0x264 [ 210.443055][ T6262] kobject_add_internal+0x594/0xc2c [ 210.444192][ T6262] kobject_init_and_add+0x128/0x194 [ 210.445317][ T6262] gfs2_sys_fs_add+0x208/0x428 [ 210.446264][ T6262] gfs2_fill_super+0xe20/0x1a9c [ 210.447248][ T6262] get_tree_bdev+0x35c/0x54c [ 210.448237][ T6262] gfs2_get_tree+0x58/0x1b8 [ 210.449237][ T6262] vfs_get_tree+0x90/0x278 [ 210.450239][ T6262] do_new_mount+0x228/0x818 [ 210.451277][ T6262] path_mount+0x57c/0xfe8 [ 210.452200][ T6262] __arm64_sys_mount+0x488/0x5f8 [ 210.453229][ T6262] invoke_syscall+0x98/0x28c [ 210.454193][ T6262] el0_svc_common+0x13c/0x258 [ 210.455106][ T6262] do_el0_svc+0x5c/0x140 [ 210.456071][ T6262] el0_svc+0x78/0x1d4 [ 210.456879][ T6262] el0t_64_sync_handler+0xcc/0xe4 [ 210.457973][ T6262] el0t_64_sync+0x1a0/0x1a4 [ 210.459332][ T6262] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.462476][ T6262] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.663142][ T6265] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.665580][ T6265] CPU: 1 PID: 6265 Comm: syz.1.501 Not tainted syzkaller #0 [ 210.667171][ T6265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.669104][ T6265] Call trace: [ 210.669697][ T6265] dump_backtrace+0x0/0x458 [ 210.670625][ T6265] show_stack+0x2c/0x3c [ 210.671465][ T6265] __dump_stack+0x30/0x40 [ 210.672367][ T6265] dump_stack_lvl+0xf4/0x15c [ 210.673387][ T6265] dump_stack+0x1c/0x5c [ 210.674244][ T6265] sysfs_create_dir_ns+0x244/0x264 [ 210.675452][ T6265] kobject_add_internal+0x594/0xc2c [ 210.676501][ T6265] kobject_init_and_add+0x128/0x194 [ 210.677622][ T6265] gfs2_sys_fs_add+0x208/0x428 [ 210.678578][ T6265] gfs2_fill_super+0xe20/0x1a9c [ 210.679580][ T6265] get_tree_bdev+0x35c/0x54c [ 210.680640][ T6265] gfs2_get_tree+0x58/0x1b8 [ 210.681667][ T6265] vfs_get_tree+0x90/0x278 [ 210.682621][ T6265] do_new_mount+0x228/0x818 [ 210.683579][ T6265] path_mount+0x57c/0xfe8 [ 210.684402][ T6265] __arm64_sys_mount+0x488/0x5f8 [ 210.685483][ T6265] invoke_syscall+0x98/0x28c [ 210.686414][ T6265] el0_svc_common+0x13c/0x258 [ 210.687410][ T6265] do_el0_svc+0x5c/0x140 [ 210.688344][ T6265] el0_svc+0x78/0x1d4 [ 210.689172][ T6265] el0t_64_sync_handler+0xcc/0xe4 [ 210.690357][ T6265] el0t_64_sync+0x1a0/0x1a4 [ 210.692906][ T6265] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.696083][ T6265] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 210.864241][ T6268] set_capacity_and_notify: 12 callbacks suppressed [ 210.864252][ T6268] loop1: detected capacity change from 0 to 32768 [ 210.905533][ T6268] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 210.908467][ T6268] CPU: 1 PID: 6268 Comm: syz.1.502 Not tainted syzkaller #0 [ 210.910014][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 210.912143][ T6268] Call trace: [ 210.912863][ T6268] dump_backtrace+0x0/0x458 [ 210.913754][ T6268] show_stack+0x2c/0x3c [ 210.914641][ T6268] __dump_stack+0x30/0x40 [ 210.915583][ T6268] dump_stack_lvl+0xf4/0x15c [ 210.916586][ T6268] dump_stack+0x1c/0x5c [ 210.917520][ T6268] sysfs_create_dir_ns+0x244/0x264 [ 210.918641][ T6268] kobject_add_internal+0x594/0xc2c [ 210.919788][ T6268] kobject_init_and_add+0x128/0x194 [ 210.920907][ T6268] gfs2_sys_fs_add+0x208/0x428 [ 210.921807][ T6268] gfs2_fill_super+0xe20/0x1a9c [ 210.922642][ T6268] get_tree_bdev+0x35c/0x54c [ 210.923592][ T6268] gfs2_get_tree+0x58/0x1b8 [ 210.924504][ T6268] vfs_get_tree+0x90/0x278 [ 210.925471][ T6268] do_new_mount+0x228/0x818 [ 210.926431][ T6268] path_mount+0x57c/0xfe8 [ 210.927301][ T6268] __arm64_sys_mount+0x488/0x5f8 [ 210.928343][ T6268] invoke_syscall+0x98/0x28c [ 210.929229][ T6268] el0_svc_common+0x13c/0x258 [ 210.930316][ T6268] do_el0_svc+0x5c/0x140 [ 210.931226][ T6268] el0_svc+0x78/0x1d4 [ 210.932080][ T6268] el0t_64_sync_handler+0xcc/0xe4 [ 210.933135][ T6268] el0t_64_sync+0x1a0/0x1a4 [ 210.935740][ T6268] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 210.938900][ T6268] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.113022][ T6271] loop1: detected capacity change from 0 to 32768 [ 211.155567][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.158174][ T6271] CPU: 0 PID: 6271 Comm: syz.1.503 Not tainted syzkaller #0 [ 211.159627][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.161371][ T6271] Call trace: [ 211.162055][ T6271] dump_backtrace+0x0/0x458 [ 211.162995][ T6271] show_stack+0x2c/0x3c [ 211.163747][ T6271] __dump_stack+0x30/0x40 [ 211.164586][ T6271] dump_stack_lvl+0xf4/0x15c [ 211.165489][ T6271] dump_stack+0x1c/0x5c [ 211.166359][ T6271] sysfs_create_dir_ns+0x244/0x264 [ 211.167419][ T6271] kobject_add_internal+0x594/0xc2c [ 211.168468][ T6271] kobject_init_and_add+0x128/0x194 [ 211.169425][ T6271] gfs2_sys_fs_add+0x208/0x428 [ 211.170370][ T6271] gfs2_fill_super+0xe20/0x1a9c [ 211.171421][ T6271] get_tree_bdev+0x35c/0x54c [ 211.172318][ T6271] gfs2_get_tree+0x58/0x1b8 [ 211.173248][ T6271] vfs_get_tree+0x90/0x278 [ 211.174199][ T6271] do_new_mount+0x228/0x818 [ 211.175146][ T6271] path_mount+0x57c/0xfe8 [ 211.176017][ T6271] __arm64_sys_mount+0x488/0x5f8 [ 211.176972][ T6271] invoke_syscall+0x98/0x28c [ 211.177933][ T6271] el0_svc_common+0x13c/0x258 [ 211.178936][ T6271] do_el0_svc+0x5c/0x140 [ 211.179795][ T6271] el0_svc+0x78/0x1d4 [ 211.180616][ T6271] el0t_64_sync_handler+0xcc/0xe4 [ 211.181621][ T6271] el0t_64_sync+0x1a0/0x1a4 [ 211.182802][ T6271] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.185901][ T6271] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.322653][ T6274] loop1: detected capacity change from 0 to 32768 [ 211.331637][ T6274] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.333615][ T6274] CPU: 1 PID: 6274 Comm: syz.1.504 Not tainted syzkaller #0 [ 211.335008][ T6274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.336921][ T6274] Call trace: [ 211.337552][ T6274] dump_backtrace+0x0/0x458 [ 211.338368][ T6274] show_stack+0x2c/0x3c [ 211.339186][ T6274] __dump_stack+0x30/0x40 [ 211.340120][ T6274] dump_stack_lvl+0xf4/0x15c [ 211.341113][ T6274] dump_stack+0x1c/0x5c [ 211.341993][ T6274] sysfs_create_dir_ns+0x244/0x264 [ 211.343067][ T6274] kobject_add_internal+0x594/0xc2c [ 211.344168][ T6274] kobject_init_and_add+0x128/0x194 [ 211.345296][ T6274] gfs2_sys_fs_add+0x208/0x428 [ 211.346379][ T6274] gfs2_fill_super+0xe20/0x1a9c [ 211.347485][ T6274] get_tree_bdev+0x35c/0x54c [ 211.348498][ T6274] gfs2_get_tree+0x58/0x1b8 [ 211.349427][ T6274] vfs_get_tree+0x90/0x278 [ 211.350342][ T6274] do_new_mount+0x228/0x818 [ 211.351226][ T6274] path_mount+0x57c/0xfe8 [ 211.352114][ T6274] __arm64_sys_mount+0x488/0x5f8 [ 211.353201][ T6274] invoke_syscall+0x98/0x28c [ 211.354224][ T6274] el0_svc_common+0x13c/0x258 [ 211.355249][ T6274] do_el0_svc+0x5c/0x140 [ 211.356164][ T6274] el0_svc+0x78/0x1d4 [ 211.356937][ T6274] el0t_64_sync_handler+0xcc/0xe4 [ 211.357921][ T6274] el0t_64_sync+0x1a0/0x1a4 [ 211.361873][ T6274] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.365065][ T6274] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.608364][ T6277] loop1: detected capacity change from 0 to 32768 [ 211.695905][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.698074][ T6277] CPU: 1 PID: 6277 Comm: syz.1.505 Not tainted syzkaller #0 [ 211.699541][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.701598][ T6277] Call trace: [ 211.702317][ T6277] dump_backtrace+0x0/0x458 [ 211.703258][ T6277] show_stack+0x2c/0x3c [ 211.704077][ T6277] __dump_stack+0x30/0x40 [ 211.705013][ T6277] dump_stack_lvl+0xf4/0x15c [ 211.706015][ T6277] dump_stack+0x1c/0x5c [ 211.706922][ T6277] sysfs_create_dir_ns+0x244/0x264 [ 211.707977][ T6277] kobject_add_internal+0x594/0xc2c [ 211.709078][ T6277] kobject_init_and_add+0x128/0x194 [ 211.710190][ T6277] gfs2_sys_fs_add+0x208/0x428 [ 211.711173][ T6277] gfs2_fill_super+0xe20/0x1a9c [ 211.712201][ T6277] get_tree_bdev+0x35c/0x54c [ 211.713154][ T6277] gfs2_get_tree+0x58/0x1b8 [ 211.714140][ T6277] vfs_get_tree+0x90/0x278 [ 211.714994][ T6277] do_new_mount+0x228/0x818 [ 211.715915][ T6277] path_mount+0x57c/0xfe8 [ 211.716775][ T6277] __arm64_sys_mount+0x488/0x5f8 [ 211.717747][ T6277] invoke_syscall+0x98/0x28c [ 211.718634][ T6277] el0_svc_common+0x13c/0x258 [ 211.719618][ T6277] do_el0_svc+0x5c/0x140 [ 211.720551][ T6277] el0_svc+0x78/0x1d4 [ 211.721392][ T6277] el0t_64_sync_handler+0xcc/0xe4 [ 211.722487][ T6277] el0t_64_sync+0x1a0/0x1a4 [ 211.725337][ T6277] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.728237][ T6277] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 211.911205][ T6280] loop1: detected capacity change from 0 to 32768 [ 211.945879][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 211.948707][ T6280] CPU: 1 PID: 6280 Comm: syz.1.506 Not tainted syzkaller #0 [ 211.950244][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 211.952114][ T6280] Call trace: [ 211.952750][ T6280] dump_backtrace+0x0/0x458 [ 211.953683][ T6280] show_stack+0x2c/0x3c [ 211.954557][ T6280] __dump_stack+0x30/0x40 [ 211.955381][ T6280] dump_stack_lvl+0xf4/0x15c [ 211.956408][ T6280] dump_stack+0x1c/0x5c [ 211.957313][ T6280] sysfs_create_dir_ns+0x244/0x264 [ 211.958379][ T6280] kobject_add_internal+0x594/0xc2c [ 211.959554][ T6280] kobject_init_and_add+0x128/0x194 [ 211.960714][ T6280] gfs2_sys_fs_add+0x208/0x428 [ 211.961773][ T6280] gfs2_fill_super+0xe20/0x1a9c [ 211.962837][ T6280] get_tree_bdev+0x35c/0x54c [ 211.963823][ T6280] gfs2_get_tree+0x58/0x1b8 [ 211.964840][ T6280] vfs_get_tree+0x90/0x278 [ 211.965823][ T6280] do_new_mount+0x228/0x818 [ 211.966808][ T6280] path_mount+0x57c/0xfe8 [ 211.967756][ T6280] __arm64_sys_mount+0x488/0x5f8 [ 211.968827][ T6280] invoke_syscall+0x98/0x28c [ 211.969810][ T6280] el0_svc_common+0x13c/0x258 [ 211.970783][ T6280] do_el0_svc+0x5c/0x140 [ 211.971690][ T6280] el0_svc+0x78/0x1d4 [ 211.972506][ T6280] el0t_64_sync_handler+0xcc/0xe4 [ 211.973421][ T6280] el0t_64_sync+0x1a0/0x1a4 [ 211.976756][ T6280] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 211.980089][ T6280] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.122360][ T6283] loop1: detected capacity change from 0 to 32768 [ 212.175807][ T6283] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.178078][ T6283] CPU: 0 PID: 6283 Comm: syz.1.507 Not tainted syzkaller #0 [ 212.179654][ T6283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.181528][ T6283] Call trace: [ 212.182165][ T6283] dump_backtrace+0x0/0x458 [ 212.183041][ T6283] show_stack+0x2c/0x3c [ 212.183832][ T6283] __dump_stack+0x30/0x40 [ 212.184756][ T6283] dump_stack_lvl+0xf4/0x15c [ 212.185640][ T6283] dump_stack+0x1c/0x5c [ 212.186504][ T6283] sysfs_create_dir_ns+0x244/0x264 [ 212.187562][ T6283] kobject_add_internal+0x594/0xc2c [ 212.188662][ T6283] kobject_init_and_add+0x128/0x194 [ 212.189622][ T6283] gfs2_sys_fs_add+0x208/0x428 [ 212.190526][ T6283] gfs2_fill_super+0xe20/0x1a9c [ 212.191306][ T6283] get_tree_bdev+0x35c/0x54c [ 212.192178][ T6283] gfs2_get_tree+0x58/0x1b8 [ 212.193028][ T6283] vfs_get_tree+0x90/0x278 [ 212.193889][ T6283] do_new_mount+0x228/0x818 [ 212.194771][ T6283] path_mount+0x57c/0xfe8 [ 212.195601][ T6283] __arm64_sys_mount+0x488/0x5f8 [ 212.196570][ T6283] invoke_syscall+0x98/0x28c [ 212.197478][ T6283] el0_svc_common+0x13c/0x258 [ 212.198411][ T6283] do_el0_svc+0x5c/0x140 [ 212.199218][ T6283] el0_svc+0x78/0x1d4 [ 212.200085][ T6283] el0t_64_sync_handler+0xcc/0xe4 [ 212.201112][ T6283] el0t_64_sync+0x1a0/0x1a4 [ 212.204600][ T6283] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.207832][ T6283] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.345701][ T6286] loop1: detected capacity change from 0 to 32768 [ 212.393556][ T6286] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.395815][ T6286] CPU: 1 PID: 6286 Comm: syz.1.508 Not tainted syzkaller #0 [ 212.397411][ T6286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.399287][ T6286] Call trace: [ 212.399889][ T6286] dump_backtrace+0x0/0x458 [ 212.400740][ T6286] show_stack+0x2c/0x3c [ 212.401554][ T6286] __dump_stack+0x30/0x40 [ 212.402348][ T6286] dump_stack_lvl+0xf4/0x15c [ 212.403264][ T6286] dump_stack+0x1c/0x5c [ 212.404085][ T6286] sysfs_create_dir_ns+0x244/0x264 [ 212.405025][ T6286] kobject_add_internal+0x594/0xc2c [ 212.405995][ T6286] kobject_init_and_add+0x128/0x194 [ 212.406966][ T6286] gfs2_sys_fs_add+0x208/0x428 [ 212.407950][ T6286] gfs2_fill_super+0xe20/0x1a9c [ 212.408857][ T6286] get_tree_bdev+0x35c/0x54c [ 212.409796][ T6286] gfs2_get_tree+0x58/0x1b8 [ 212.410833][ T6286] vfs_get_tree+0x90/0x278 [ 212.411751][ T6286] do_new_mount+0x228/0x818 [ 212.412638][ T6286] path_mount+0x57c/0xfe8 [ 212.413521][ T6286] __arm64_sys_mount+0x488/0x5f8 [ 212.414636][ T6286] invoke_syscall+0x98/0x28c [ 212.415515][ T6286] el0_svc_common+0x13c/0x258 [ 212.416479][ T6286] do_el0_svc+0x5c/0x140 [ 212.417292][ T6286] el0_svc+0x78/0x1d4 [ 212.418181][ T6286] el0t_64_sync_handler+0xcc/0xe4 [ 212.419322][ T6286] el0t_64_sync+0x1a0/0x1a4 [ 212.422188][ T6286] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.426809][ T6286] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.662984][ T6289] loop1: detected capacity change from 0 to 32768 [ 212.749091][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.751065][ T6289] CPU: 1 PID: 6289 Comm: syz.1.509 Not tainted syzkaller #0 [ 212.752410][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.754419][ T6289] Call trace: [ 212.755107][ T6289] dump_backtrace+0x0/0x458 [ 212.756096][ T6289] show_stack+0x2c/0x3c [ 212.756918][ T6289] __dump_stack+0x30/0x40 [ 212.757647][ T6289] dump_stack_lvl+0xf4/0x15c [ 212.758466][ T6289] dump_stack+0x1c/0x5c [ 212.759188][ T6289] sysfs_create_dir_ns+0x244/0x264 [ 212.760199][ T6289] kobject_add_internal+0x594/0xc2c [ 212.761243][ T6289] kobject_init_and_add+0x128/0x194 [ 212.762379][ T6289] gfs2_sys_fs_add+0x208/0x428 [ 212.763377][ T6289] gfs2_fill_super+0xe20/0x1a9c [ 212.764432][ T6289] get_tree_bdev+0x35c/0x54c [ 212.765454][ T6289] gfs2_get_tree+0x58/0x1b8 [ 212.766294][ T6289] vfs_get_tree+0x90/0x278 [ 212.767151][ T6289] do_new_mount+0x228/0x818 [ 212.768049][ T6289] path_mount+0x57c/0xfe8 [ 212.768829][ T6289] __arm64_sys_mount+0x488/0x5f8 [ 212.769789][ T6289] invoke_syscall+0x98/0x28c [ 212.770738][ T6289] el0_svc_common+0x13c/0x258 [ 212.771652][ T6289] do_el0_svc+0x5c/0x140 [ 212.772529][ T6289] el0_svc+0x78/0x1d4 [ 212.773338][ T6289] el0t_64_sync_handler+0xcc/0xe4 [ 212.774256][ T6289] el0t_64_sync+0x1a0/0x1a4 [ 212.778013][ T6289] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 212.781373][ T6289] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 212.962004][ T6292] loop1: detected capacity change from 0 to 32768 [ 212.970622][ T6292] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 212.972792][ T6292] CPU: 0 PID: 6292 Comm: syz.1.510 Not tainted syzkaller #0 [ 212.974155][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 212.976099][ T6292] Call trace: [ 212.976788][ T6292] dump_backtrace+0x0/0x458 [ 212.977703][ T6292] show_stack+0x2c/0x3c [ 212.978443][ T6292] __dump_stack+0x30/0x40 [ 212.979307][ T6292] dump_stack_lvl+0xf4/0x15c [ 212.980197][ T6292] dump_stack+0x1c/0x5c [ 212.981036][ T6292] sysfs_create_dir_ns+0x244/0x264 [ 212.982173][ T6292] kobject_add_internal+0x594/0xc2c [ 212.983287][ T6292] kobject_init_and_add+0x128/0x194 [ 212.984365][ T6292] gfs2_sys_fs_add+0x208/0x428 [ 212.985388][ T6292] gfs2_fill_super+0xe20/0x1a9c [ 212.986441][ T6292] get_tree_bdev+0x35c/0x54c [ 212.987337][ T6292] gfs2_get_tree+0x58/0x1b8 [ 212.988235][ T6292] vfs_get_tree+0x90/0x278 [ 212.989105][ T6292] do_new_mount+0x228/0x818 [ 212.990071][ T6292] path_mount+0x57c/0xfe8 [ 212.990973][ T6292] __arm64_sys_mount+0x488/0x5f8 [ 212.992052][ T6292] invoke_syscall+0x98/0x28c [ 212.993022][ T6292] el0_svc_common+0x13c/0x258 [ 212.994087][ T6292] do_el0_svc+0x5c/0x140 [ 212.994849][ T6292] el0_svc+0x78/0x1d4 [ 212.995640][ T6292] el0t_64_sync_handler+0xcc/0xe4 [ 212.996546][ T6292] el0t_64_sync+0x1a0/0x1a4 [ 212.999330][ T6292] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.002642][ T6292] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.145428][ T6295] loop1: detected capacity change from 0 to 32768 [ 213.199407][ T6295] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.201524][ T6295] CPU: 1 PID: 6295 Comm: syz.1.511 Not tainted syzkaller #0 [ 213.202952][ T6295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.204957][ T6295] Call trace: [ 213.205657][ T6295] dump_backtrace+0x0/0x458 [ 213.206623][ T6295] show_stack+0x2c/0x3c [ 213.207451][ T6295] __dump_stack+0x30/0x40 [ 213.208383][ T6295] dump_stack_lvl+0xf4/0x15c [ 213.209409][ T6295] dump_stack+0x1c/0x5c [ 213.210334][ T6295] sysfs_create_dir_ns+0x244/0x264 [ 213.211472][ T6295] kobject_add_internal+0x594/0xc2c [ 213.212555][ T6295] kobject_init_and_add+0x128/0x194 [ 213.213552][ T6295] gfs2_sys_fs_add+0x208/0x428 [ 213.214408][ T6295] gfs2_fill_super+0xe20/0x1a9c [ 213.215331][ T6295] get_tree_bdev+0x35c/0x54c [ 213.216230][ T6295] gfs2_get_tree+0x58/0x1b8 [ 213.217119][ T6295] vfs_get_tree+0x90/0x278 [ 213.218089][ T6295] do_new_mount+0x228/0x818 [ 213.219037][ T6295] path_mount+0x57c/0xfe8 [ 213.219969][ T6295] __arm64_sys_mount+0x488/0x5f8 [ 213.220977][ T6295] invoke_syscall+0x98/0x28c [ 213.221981][ T6295] el0_svc_common+0x13c/0x258 [ 213.222974][ T6295] do_el0_svc+0x5c/0x140 [ 213.223824][ T6295] el0_svc+0x78/0x1d4 [ 213.224654][ T6295] el0t_64_sync_handler+0xcc/0xe4 [ 213.225739][ T6295] el0t_64_sync+0x1a0/0x1a4 [ 213.227130][ T6295] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.229901][ T6295] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.461116][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.463271][ T6298] CPU: 0 PID: 6298 Comm: syz.1.512 Not tainted syzkaller #0 [ 213.464824][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.466997][ T6298] Call trace: [ 213.467694][ T6298] dump_backtrace+0x0/0x458 [ 213.468713][ T6298] show_stack+0x2c/0x3c [ 213.469614][ T6298] __dump_stack+0x30/0x40 [ 213.470479][ T6298] dump_stack_lvl+0xf4/0x15c [ 213.471465][ T6298] dump_stack+0x1c/0x5c [ 213.472390][ T6298] sysfs_create_dir_ns+0x244/0x264 [ 213.473471][ T6298] kobject_add_internal+0x594/0xc2c [ 213.474581][ T6298] kobject_init_and_add+0x128/0x194 [ 213.475644][ T6298] gfs2_sys_fs_add+0x208/0x428 [ 213.476566][ T6298] gfs2_fill_super+0xe20/0x1a9c [ 213.477608][ T6298] get_tree_bdev+0x35c/0x54c [ 213.478578][ T6298] gfs2_get_tree+0x58/0x1b8 [ 213.479532][ T6298] vfs_get_tree+0x90/0x278 [ 213.480506][ T6298] do_new_mount+0x228/0x818 [ 213.481418][ T6298] path_mount+0x57c/0xfe8 [ 213.482270][ T6298] __arm64_sys_mount+0x488/0x5f8 [ 213.483259][ T6298] invoke_syscall+0x98/0x28c [ 213.484091][ T6298] el0_svc_common+0x13c/0x258 [ 213.484917][ T6298] do_el0_svc+0x5c/0x140 [ 213.485773][ T6298] el0_svc+0x78/0x1d4 [ 213.486605][ T6298] el0t_64_sync_handler+0xcc/0xe4 [ 213.487584][ T6298] el0t_64_sync+0x1a0/0x1a4 [ 213.490186][ T6298] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.493515][ T6298] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 213.779844][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 213.782004][ T6301] CPU: 1 PID: 6301 Comm: syz.1.513 Not tainted syzkaller #0 [ 213.783453][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 213.785517][ T6301] Call trace: [ 213.786185][ T6301] dump_backtrace+0x0/0x458 [ 213.787244][ T6301] show_stack+0x2c/0x3c [ 213.788131][ T6301] __dump_stack+0x30/0x40 [ 213.789042][ T6301] dump_stack_lvl+0xf4/0x15c [ 213.789987][ T6301] dump_stack+0x1c/0x5c [ 213.790901][ T6301] sysfs_create_dir_ns+0x244/0x264 [ 213.792022][ T6301] kobject_add_internal+0x594/0xc2c [ 213.793171][ T6301] kobject_init_and_add+0x128/0x194 [ 213.794185][ T6301] gfs2_sys_fs_add+0x208/0x428 [ 213.795220][ T6301] gfs2_fill_super+0xe20/0x1a9c [ 213.796155][ T6301] get_tree_bdev+0x35c/0x54c [ 213.797164][ T6301] gfs2_get_tree+0x58/0x1b8 [ 213.798100][ T6301] vfs_get_tree+0x90/0x278 [ 213.799002][ T6301] do_new_mount+0x228/0x818 [ 213.799977][ T6301] path_mount+0x57c/0xfe8 [ 213.800820][ T6301] __arm64_sys_mount+0x488/0x5f8 [ 213.801831][ T6301] invoke_syscall+0x98/0x28c [ 213.802799][ T6301] el0_svc_common+0x13c/0x258 [ 213.803708][ T6301] do_el0_svc+0x5c/0x140 [ 213.804585][ T6301] el0_svc+0x78/0x1d4 [ 213.805437][ T6301] el0t_64_sync_handler+0xcc/0xe4 [ 213.806438][ T6301] el0t_64_sync+0x1a0/0x1a4 [ 213.807649][ T6301] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 213.810845][ T6301] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.041027][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.043202][ T6304] CPU: 1 PID: 6304 Comm: syz.1.514 Not tainted syzkaller #0 [ 214.044650][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.046739][ T6304] Call trace: [ 214.047335][ T6304] dump_backtrace+0x0/0x458 [ 214.048321][ T6304] show_stack+0x2c/0x3c [ 214.049243][ T6304] __dump_stack+0x30/0x40 [ 214.050195][ T6304] dump_stack_lvl+0xf4/0x15c [ 214.051238][ T6304] dump_stack+0x1c/0x5c [ 214.052066][ T6304] sysfs_create_dir_ns+0x244/0x264 [ 214.053121][ T6304] kobject_add_internal+0x594/0xc2c [ 214.054284][ T6304] kobject_init_and_add+0x128/0x194 [ 214.055365][ T6304] gfs2_sys_fs_add+0x208/0x428 [ 214.056388][ T6304] gfs2_fill_super+0xe20/0x1a9c [ 214.057429][ T6304] get_tree_bdev+0x35c/0x54c [ 214.058333][ T6304] gfs2_get_tree+0x58/0x1b8 [ 214.059181][ T6304] vfs_get_tree+0x90/0x278 [ 214.060074][ T6304] do_new_mount+0x228/0x818 [ 214.060897][ T6304] path_mount+0x57c/0xfe8 [ 214.061798][ T6304] __arm64_sys_mount+0x488/0x5f8 [ 214.062860][ T6304] invoke_syscall+0x98/0x28c [ 214.063836][ T6304] el0_svc_common+0x13c/0x258 [ 214.064861][ T6304] do_el0_svc+0x5c/0x140 [ 214.065808][ T6304] el0_svc+0x78/0x1d4 [ 214.066694][ T6304] el0t_64_sync_handler+0xcc/0xe4 [ 214.067801][ T6304] el0t_64_sync+0x1a0/0x1a4 [ 214.070798][ T6304] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.073745][ T6304] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.340248][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.342669][ T6307] CPU: 1 PID: 6307 Comm: syz.1.515 Not tainted syzkaller #0 [ 214.344078][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.346090][ T6307] Call trace: [ 214.346693][ T6307] dump_backtrace+0x0/0x458 [ 214.347750][ T6307] show_stack+0x2c/0x3c [ 214.348722][ T6307] __dump_stack+0x30/0x40 [ 214.349591][ T6307] dump_stack_lvl+0xf4/0x15c [ 214.350494][ T6307] dump_stack+0x1c/0x5c [ 214.351424][ T6307] sysfs_create_dir_ns+0x244/0x264 [ 214.352642][ T6307] kobject_add_internal+0x594/0xc2c [ 214.353799][ T6307] kobject_init_and_add+0x128/0x194 [ 214.354938][ T6307] gfs2_sys_fs_add+0x208/0x428 [ 214.355971][ T6307] gfs2_fill_super+0xe20/0x1a9c [ 214.357015][ T6307] get_tree_bdev+0x35c/0x54c [ 214.358025][ T6307] gfs2_get_tree+0x58/0x1b8 [ 214.359051][ T6307] vfs_get_tree+0x90/0x278 [ 214.359998][ T6307] do_new_mount+0x228/0x818 [ 214.360971][ T6307] path_mount+0x57c/0xfe8 [ 214.361902][ T6307] __arm64_sys_mount+0x488/0x5f8 [ 214.362935][ T6307] invoke_syscall+0x98/0x28c [ 214.363872][ T6307] el0_svc_common+0x13c/0x258 [ 214.364803][ T6307] do_el0_svc+0x5c/0x140 [ 214.365635][ T6307] el0_svc+0x78/0x1d4 [ 214.366501][ T6307] el0t_64_sync_handler+0xcc/0xe4 [ 214.367490][ T6307] el0t_64_sync+0x1a0/0x1a4 [ 214.372407][ T6307] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.375281][ T6307] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 214.661948][ T6310] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 214.664121][ T6310] CPU: 1 PID: 6310 Comm: syz.1.516 Not tainted syzkaller #0 [ 214.665683][ T6310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 214.667652][ T6310] Call trace: [ 214.668245][ T6310] dump_backtrace+0x0/0x458 [ 214.669073][ T6310] show_stack+0x2c/0x3c [ 214.669749][ T6310] __dump_stack+0x30/0x40 [ 214.670515][ T6310] dump_stack_lvl+0xf4/0x15c [ 214.671405][ T6310] dump_stack+0x1c/0x5c [ 214.672252][ T6310] sysfs_create_dir_ns+0x244/0x264 [ 214.673299][ T6310] kobject_add_internal+0x594/0xc2c [ 214.674380][ T6310] kobject_init_and_add+0x128/0x194 [ 214.675597][ T6310] gfs2_sys_fs_add+0x208/0x428 [ 214.676655][ T6310] gfs2_fill_super+0xe20/0x1a9c [ 214.677656][ T6310] get_tree_bdev+0x35c/0x54c [ 214.678638][ T6310] gfs2_get_tree+0x58/0x1b8 [ 214.679649][ T6310] vfs_get_tree+0x90/0x278 [ 214.680476][ T6310] do_new_mount+0x228/0x818 [ 214.681348][ T6310] path_mount+0x57c/0xfe8 [ 214.682169][ T6310] __arm64_sys_mount+0x488/0x5f8 [ 214.683094][ T6310] invoke_syscall+0x98/0x28c [ 214.684034][ T6310] el0_svc_common+0x13c/0x258 [ 214.685056][ T6310] do_el0_svc+0x5c/0x140 [ 214.685961][ T6310] el0_svc+0x78/0x1d4 [ 214.686790][ T6310] el0t_64_sync_handler+0xcc/0xe4 [ 214.687843][ T6310] el0t_64_sync+0x1a0/0x1a4 [ 214.690442][ T6310] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 214.693580][ T6310] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.036798][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.038768][ T6313] CPU: 1 PID: 6313 Comm: syz.1.517 Not tainted syzkaller #0 [ 215.039967][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.041588][ T6313] Call trace: [ 215.042113][ T6313] dump_backtrace+0x0/0x458 [ 215.042890][ T6313] show_stack+0x2c/0x3c [ 215.043678][ T6313] __dump_stack+0x30/0x40 [ 215.044466][ T6313] dump_stack_lvl+0xf4/0x15c [ 215.045423][ T6313] dump_stack+0x1c/0x5c [ 215.046303][ T6313] sysfs_create_dir_ns+0x244/0x264 [ 215.047327][ T6313] kobject_add_internal+0x594/0xc2c [ 215.048360][ T6313] kobject_init_and_add+0x128/0x194 [ 215.049382][ T6313] gfs2_sys_fs_add+0x208/0x428 [ 215.050350][ T6313] gfs2_fill_super+0xe20/0x1a9c [ 215.051389][ T6313] get_tree_bdev+0x35c/0x54c [ 215.052361][ T6313] gfs2_get_tree+0x58/0x1b8 [ 215.053392][ T6313] vfs_get_tree+0x90/0x278 [ 215.054357][ T6313] do_new_mount+0x228/0x818 [ 215.055170][ T6313] path_mount+0x57c/0xfe8 [ 215.056025][ T6313] __arm64_sys_mount+0x488/0x5f8 [ 215.057119][ T6313] invoke_syscall+0x98/0x28c [ 215.058159][ T6313] el0_svc_common+0x13c/0x258 [ 215.059147][ T6313] do_el0_svc+0x5c/0x140 [ 215.059987][ T6313] el0_svc+0x78/0x1d4 [ 215.060821][ T6313] el0t_64_sync_handler+0xcc/0xe4 [ 215.061908][ T6313] el0t_64_sync+0x1a0/0x1a4 [ 215.063387][ T6313] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.067156][ T6313] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.356479][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.358483][ T6316] CPU: 1 PID: 6316 Comm: syz.1.518 Not tainted syzkaller #0 [ 215.359888][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.361852][ T6316] Call trace: [ 215.362494][ T6316] dump_backtrace+0x0/0x458 [ 215.363382][ T6316] show_stack+0x2c/0x3c [ 215.364157][ T6316] __dump_stack+0x30/0x40 [ 215.365016][ T6316] dump_stack_lvl+0xf4/0x15c [ 215.365967][ T6316] dump_stack+0x1c/0x5c [ 215.366772][ T6316] sysfs_create_dir_ns+0x244/0x264 [ 215.367824][ T6316] kobject_add_internal+0x594/0xc2c [ 215.368829][ T6316] kobject_init_and_add+0x128/0x194 [ 215.369831][ T6316] gfs2_sys_fs_add+0x208/0x428 [ 215.370801][ T6316] gfs2_fill_super+0xe20/0x1a9c [ 215.371765][ T6316] get_tree_bdev+0x35c/0x54c [ 215.372774][ T6316] gfs2_get_tree+0x58/0x1b8 [ 215.373707][ T6316] vfs_get_tree+0x90/0x278 [ 215.374644][ T6316] do_new_mount+0x228/0x818 [ 215.375607][ T6316] path_mount+0x57c/0xfe8 [ 215.376511][ T6316] __arm64_sys_mount+0x488/0x5f8 [ 215.377548][ T6316] invoke_syscall+0x98/0x28c [ 215.378505][ T6316] el0_svc_common+0x13c/0x258 [ 215.379490][ T6316] do_el0_svc+0x5c/0x140 [ 215.380529][ T6316] el0_svc+0x78/0x1d4 [ 215.381350][ T6316] el0t_64_sync_handler+0xcc/0xe4 [ 215.382327][ T6316] el0t_64_sync+0x1a0/0x1a4 [ 215.385511][ T6316] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.388792][ T6316] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 505 [ 215.615780][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.617834][ T6319] CPU: 1 PID: 6319 Comm: syz.1.519 Not tainted syzkaller #0 [ 215.619282][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.621343][ T6319] Call trace: [ 215.622034][ T6319] dump_backtrace+0x0/0x458 [ 215.622974][ T6319] show_stack+0x2c/0x3c [ 215.623798][ T6319] __dump_stack+0x30/0x40 [ 215.624751][ T6319] dump_stack_lvl+0xf4/0x15c [ 215.625728][ T6319] dump_stack+0x1c/0x5c [ 215.626586][ T6319] sysfs_create_dir_ns+0x244/0x264 [ 215.627779][ T6319] kobject_add_internal+0x594/0xc2c [ 215.628968][ T6319] kobject_init_and_add+0x128/0x194 [ 215.630091][ T6319] gfs2_sys_fs_add+0x208/0x428 [ 215.631041][ T6319] gfs2_fill_super+0xe20/0x1a9c [ 215.632028][ T6319] get_tree_bdev+0x35c/0x54c [ 215.633065][ T6319] gfs2_get_tree+0x58/0x1b8 [ 215.634084][ T6319] vfs_get_tree+0x90/0x278 [ 215.635091][ T6319] do_new_mount+0x228/0x818 [ 215.636078][ T6319] path_mount+0x57c/0xfe8 [ 215.636925][ T6319] __arm64_sys_mount+0x488/0x5f8 [ 215.638049][ T6319] invoke_syscall+0x98/0x28c [ 215.639118][ T6319] el0_svc_common+0x13c/0x258 [ 215.640130][ T6319] do_el0_svc+0x5c/0x140 [ 215.641070][ T6319] el0_svc+0x78/0x1d4 [ 215.641943][ T6319] el0t_64_sync_handler+0xcc/0xe4 [ 215.643054][ T6319] el0t_64_sync+0x1a0/0x1a4 [ 215.644228][ T6319] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.647392][ T6319] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.789867][ T6322] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.791783][ T6322] CPU: 1 PID: 6322 Comm: syz.1.520 Not tainted syzkaller #0 [ 215.793304][ T6322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.795350][ T6322] Call trace: [ 215.796020][ T6322] dump_backtrace+0x0/0x458 [ 215.797017][ T6322] show_stack+0x2c/0x3c [ 215.797940][ T6322] __dump_stack+0x30/0x40 [ 215.798824][ T6322] dump_stack_lvl+0xf4/0x15c [ 215.799820][ T6322] dump_stack+0x1c/0x5c [ 215.800772][ T6322] sysfs_create_dir_ns+0x244/0x264 [ 215.801802][ T6322] kobject_add_internal+0x594/0xc2c [ 215.803032][ T6322] kobject_init_and_add+0x128/0x194 [ 215.804128][ T6322] gfs2_sys_fs_add+0x208/0x428 [ 215.805128][ T6322] gfs2_fill_super+0xe20/0x1a9c [ 215.806183][ T6322] get_tree_bdev+0x35c/0x54c [ 215.807188][ T6322] gfs2_get_tree+0x58/0x1b8 [ 215.808100][ T6322] vfs_get_tree+0x90/0x278 [ 215.808996][ T6322] do_new_mount+0x228/0x818 [ 215.809912][ T6322] path_mount+0x57c/0xfe8 [ 215.810764][ T6322] __arm64_sys_mount+0x488/0x5f8 [ 215.811865][ T6322] invoke_syscall+0x98/0x28c [ 215.812808][ T6322] el0_svc_common+0x13c/0x258 [ 215.813770][ T6322] do_el0_svc+0x5c/0x140 [ 215.814701][ T6322] el0_svc+0x78/0x1d4 [ 215.815551][ T6322] el0t_64_sync_handler+0xcc/0xe4 [ 215.816553][ T6322] el0t_64_sync+0x1a0/0x1a4 [ 215.820218][ T6322] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 215.822913][ T6322] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 215.960512][ T6325] set_capacity_and_notify: 9 callbacks suppressed [ 215.960523][ T6325] loop1: detected capacity change from 0 to 32768 [ 215.970849][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 215.972972][ T6325] CPU: 0 PID: 6325 Comm: syz.1.521 Not tainted syzkaller #0 [ 215.974563][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 215.976758][ T6325] Call trace: [ 215.977473][ T6325] dump_backtrace+0x0/0x458 [ 215.978457][ T6325] show_stack+0x2c/0x3c [ 215.979279][ T6325] __dump_stack+0x30/0x40 [ 215.980098][ T6325] dump_stack_lvl+0xf4/0x15c [ 215.981032][ T6325] dump_stack+0x1c/0x5c [ 215.981871][ T6325] sysfs_create_dir_ns+0x244/0x264 [ 215.982892][ T6325] kobject_add_internal+0x594/0xc2c [ 215.984065][ T6325] kobject_init_and_add+0x128/0x194 [ 215.985203][ T6325] gfs2_sys_fs_add+0x208/0x428 [ 215.986182][ T6325] gfs2_fill_super+0xe20/0x1a9c [ 215.987248][ T6325] get_tree_bdev+0x35c/0x54c [ 215.988123][ T6325] gfs2_get_tree+0x58/0x1b8 [ 215.989008][ T6325] vfs_get_tree+0x90/0x278 [ 215.989869][ T6325] do_new_mount+0x228/0x818 [ 215.990956][ T6325] path_mount+0x57c/0xfe8 [ 215.991863][ T6325] __arm64_sys_mount+0x488/0x5f8 [ 215.992863][ T6325] invoke_syscall+0x98/0x28c [ 215.993840][ T6325] el0_svc_common+0x13c/0x258 [ 215.994734][ T6325] do_el0_svc+0x5c/0x140 [ 215.995572][ T6325] el0_svc+0x78/0x1d4 [ 215.996355][ T6325] el0t_64_sync_handler+0xcc/0xe4 [ 215.997356][ T6325] el0t_64_sync+0x1a0/0x1a4 [ 216.001462][ T6325] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.004570][ T6325] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 216.143361][ T6328] loop1: detected capacity change from 0 to 32768 [ 216.151737][ T6328] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 216.154283][ T6328] CPU: 0 PID: 6328 Comm: syz.1.522 Not tainted syzkaller #0 [ 216.155771][ T6328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.157617][ T6328] Call trace: [ 216.158161][ T6328] dump_backtrace+0x0/0x458 [ 216.158982][ T6328] show_stack+0x2c/0x3c [ 216.159672][ T6328] __dump_stack+0x30/0x40 [ 216.160520][ T6328] dump_stack_lvl+0xf4/0x15c [ 216.161434][ T6328] dump_stack+0x1c/0x5c [ 216.162273][ T6328] sysfs_create_dir_ns+0x244/0x264 [ 216.163328][ T6328] kobject_add_internal+0x594/0xc2c [ 216.164307][ T6328] kobject_init_and_add+0x128/0x194 [ 216.165299][ T6328] gfs2_sys_fs_add+0x208/0x428 [ 216.166226][ T6328] gfs2_fill_super+0xe20/0x1a9c [ 216.167204][ T6328] get_tree_bdev+0x35c/0x54c [ 216.168091][ T6328] gfs2_get_tree+0x58/0x1b8 [ 216.168973][ T6328] vfs_get_tree+0x90/0x278 [ 216.169873][ T6328] do_new_mount+0x228/0x818 [ 216.170826][ T6328] path_mount+0x57c/0xfe8 [ 216.171709][ T6328] __arm64_sys_mount+0x488/0x5f8 [ 216.172697][ T6328] invoke_syscall+0x98/0x28c [ 216.173682][ T6328] el0_svc_common+0x13c/0x258 [ 216.174617][ T6328] do_el0_svc+0x5c/0x140 [ 216.175479][ T6328] el0_svc+0x78/0x1d4 [ 216.176306][ T6328] el0t_64_sync_handler+0xcc/0xe4 [ 216.177244][ T6328] el0t_64_sync+0x1a0/0x1a4 [ 216.179525][ T6328] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.182597][ T6328] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 216.321720][ T6331] loop1: detected capacity change from 0 to 32768 [ 216.330338][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 216.332409][ T6331] CPU: 0 PID: 6331 Comm: syz.1.523 Not tainted syzkaller #0 [ 216.333742][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.335741][ T6331] Call trace: [ 216.336442][ T6331] dump_backtrace+0x0/0x458 [ 216.337306][ T6331] show_stack+0x2c/0x3c [ 216.338185][ T6331] __dump_stack+0x30/0x40 [ 216.339074][ T6331] dump_stack_lvl+0xf4/0x15c [ 216.340097][ T6331] dump_stack+0x1c/0x5c [ 216.340936][ T6331] sysfs_create_dir_ns+0x244/0x264 [ 216.341895][ T6331] kobject_add_internal+0x594/0xc2c [ 216.342940][ T6331] kobject_init_and_add+0x128/0x194 [ 216.343937][ T6331] gfs2_sys_fs_add+0x208/0x428 [ 216.344880][ T6331] gfs2_fill_super+0xe20/0x1a9c [ 216.345794][ T6331] get_tree_bdev+0x35c/0x54c [ 216.346726][ T6331] gfs2_get_tree+0x58/0x1b8 [ 216.347655][ T6331] vfs_get_tree+0x90/0x278 [ 216.348615][ T6331] do_new_mount+0x228/0x818 [ 216.349424][ T6331] path_mount+0x57c/0xfe8 [ 216.350329][ T6331] __arm64_sys_mount+0x488/0x5f8 [ 216.351365][ T6331] invoke_syscall+0x98/0x28c [ 216.352291][ T6331] el0_svc_common+0x13c/0x258 [ 216.353224][ T6331] do_el0_svc+0x5c/0x140 [ 216.354111][ T6331] el0_svc+0x78/0x1d4 [ 216.354869][ T6331] el0t_64_sync_handler+0xcc/0xe4 [ 216.355907][ T6331] el0t_64_sync+0x1a0/0x1a4 [ 216.357089][ T6331] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.360474][ T6331] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 216.498185][ T6334] loop1: detected capacity change from 0 to 32768 [ 216.506853][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 216.508788][ T6334] CPU: 1 PID: 6334 Comm: syz.1.524 Not tainted syzkaller #0 [ 216.510195][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.511961][ T6334] Call trace: [ 216.512561][ T6334] dump_backtrace+0x0/0x458 [ 216.513391][ T6334] show_stack+0x2c/0x3c [ 216.514227][ T6334] __dump_stack+0x30/0x40 [ 216.515178][ T6334] dump_stack_lvl+0xf4/0x15c [ 216.516162][ T6334] dump_stack+0x1c/0x5c [ 216.517103][ T6334] sysfs_create_dir_ns+0x244/0x264 [ 216.518204][ T6334] kobject_add_internal+0x594/0xc2c [ 216.519352][ T6334] kobject_init_and_add+0x128/0x194 [ 216.520526][ T6334] gfs2_sys_fs_add+0x208/0x428 [ 216.521515][ T6334] gfs2_fill_super+0xe20/0x1a9c [ 216.522548][ T6334] get_tree_bdev+0x35c/0x54c [ 216.523520][ T6334] gfs2_get_tree+0x58/0x1b8 [ 216.524375][ T6334] vfs_get_tree+0x90/0x278 [ 216.525352][ T6334] do_new_mount+0x228/0x818 [ 216.526351][ T6334] path_mount+0x57c/0xfe8 [ 216.527182][ T6334] __arm64_sys_mount+0x488/0x5f8 [ 216.528235][ T6334] invoke_syscall+0x98/0x28c [ 216.529193][ T6334] el0_svc_common+0x13c/0x258 [ 216.530227][ T6334] do_el0_svc+0x5c/0x140 [ 216.531163][ T6334] el0_svc+0x78/0x1d4 [ 216.531996][ T6334] el0t_64_sync_handler+0xcc/0xe4 [ 216.533052][ T6334] el0t_64_sync+0x1a0/0x1a4 [ 216.537255][ T6334] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.540277][ T6334] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 216.772696][ T6337] loop1: detected capacity change from 0 to 32768 [ 216.784092][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 216.786138][ T6337] CPU: 0 PID: 6337 Comm: syz.1.525 Not tainted syzkaller #0 [ 216.787376][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 216.789273][ T6337] Call trace: [ 216.789879][ T6337] dump_backtrace+0x0/0x458 [ 216.790723][ T6337] show_stack+0x2c/0x3c [ 216.791491][ T6337] __dump_stack+0x30/0x40 [ 216.792424][ T6337] dump_stack_lvl+0xf4/0x15c [ 216.793313][ T6337] dump_stack+0x1c/0x5c [ 216.794101][ T6337] sysfs_create_dir_ns+0x244/0x264 [ 216.795107][ T6337] kobject_add_internal+0x594/0xc2c [ 216.796136][ T6337] kobject_init_and_add+0x128/0x194 [ 216.797127][ T6337] gfs2_sys_fs_add+0x208/0x428 [ 216.798151][ T6337] gfs2_fill_super+0xe20/0x1a9c [ 216.799209][ T6337] get_tree_bdev+0x35c/0x54c [ 216.800199][ T6337] gfs2_get_tree+0x58/0x1b8 [ 216.801124][ T6337] vfs_get_tree+0x90/0x278 [ 216.802111][ T6337] do_new_mount+0x228/0x818 [ 216.802972][ T6337] path_mount+0x57c/0xfe8 [ 216.803842][ T6337] __arm64_sys_mount+0x488/0x5f8 [ 216.804845][ T6337] invoke_syscall+0x98/0x28c [ 216.805874][ T6337] el0_svc_common+0x13c/0x258 [ 216.806894][ T6337] do_el0_svc+0x5c/0x140 [ 216.807766][ T6337] el0_svc+0x78/0x1d4 [ 216.808646][ T6337] el0t_64_sync_handler+0xcc/0xe4 [ 216.809718][ T6337] el0t_64_sync+0x1a0/0x1a4 [ 216.811044][ T6337] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 216.814026][ T6337] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 217.064679][ T6340] loop1: detected capacity change from 0 to 32768 [ 217.110660][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 217.113519][ T6340] CPU: 0 PID: 6340 Comm: syz.1.526 Not tainted syzkaller #0 [ 217.115067][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.117261][ T6340] Call trace: [ 217.118023][ T6340] dump_backtrace+0x0/0x458 [ 217.119024][ T6340] show_stack+0x2c/0x3c [ 217.119977][ T6340] __dump_stack+0x30/0x40 [ 217.120917][ T6340] dump_stack_lvl+0xf4/0x15c [ 217.121955][ T6340] dump_stack+0x1c/0x5c [ 217.122851][ T6340] sysfs_create_dir_ns+0x244/0x264 [ 217.123991][ T6340] kobject_add_internal+0x594/0xc2c [ 217.125192][ T6340] kobject_init_and_add+0x128/0x194 [ 217.126314][ T6340] gfs2_sys_fs_add+0x208/0x428 [ 217.127280][ T6340] gfs2_fill_super+0xe20/0x1a9c [ 217.128324][ T6340] get_tree_bdev+0x35c/0x54c [ 217.129243][ T6340] gfs2_get_tree+0x58/0x1b8 [ 217.130128][ T6340] vfs_get_tree+0x90/0x278 [ 217.131145][ T6340] do_new_mount+0x228/0x818 [ 217.132031][ T6340] path_mount+0x57c/0xfe8 [ 217.132949][ T6340] __arm64_sys_mount+0x488/0x5f8 [ 217.133975][ T6340] invoke_syscall+0x98/0x28c [ 217.134955][ T6340] el0_svc_common+0x13c/0x258 [ 217.135900][ T6340] do_el0_svc+0x5c/0x140 [ 217.136730][ T6340] el0_svc+0x78/0x1d4 [ 217.137605][ T6340] el0t_64_sync_handler+0xcc/0xe4 [ 217.138709][ T6340] el0t_64_sync+0x1a0/0x1a4 [ 217.140526][ T6340] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 217.143789][ T6340] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 217.322987][ T6343] loop1: detected capacity change from 0 to 32768 [ 217.373939][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 217.376116][ T6343] CPU: 0 PID: 6343 Comm: syz.1.527 Not tainted syzkaller #0 [ 217.377651][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.379634][ T6343] Call trace: [ 217.380254][ T6343] dump_backtrace+0x0/0x458 [ 217.381219][ T6343] show_stack+0x2c/0x3c [ 217.382109][ T6343] __dump_stack+0x30/0x40 [ 217.383006][ T6343] dump_stack_lvl+0xf4/0x15c [ 217.383850][ T6343] dump_stack+0x1c/0x5c [ 217.384739][ T6343] sysfs_create_dir_ns+0x244/0x264 [ 217.385870][ T6343] kobject_add_internal+0x594/0xc2c [ 217.387094][ T6343] kobject_init_and_add+0x128/0x194 [ 217.388218][ T6343] gfs2_sys_fs_add+0x208/0x428 [ 217.389201][ T6343] gfs2_fill_super+0xe20/0x1a9c [ 217.390139][ T6343] get_tree_bdev+0x35c/0x54c [ 217.391045][ T6343] gfs2_get_tree+0x58/0x1b8 [ 217.391999][ T6343] vfs_get_tree+0x90/0x278 [ 217.392959][ T6343] do_new_mount+0x228/0x818 [ 217.393923][ T6343] path_mount+0x57c/0xfe8 [ 217.394845][ T6343] __arm64_sys_mount+0x488/0x5f8 [ 217.395827][ T6343] invoke_syscall+0x98/0x28c [ 217.396818][ T6343] el0_svc_common+0x13c/0x258 [ 217.397788][ T6343] do_el0_svc+0x5c/0x140 [ 217.398696][ T6343] el0_svc+0x78/0x1d4 [ 217.399555][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 217.400526][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 217.403629][ T6343] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 217.407500][ T6343] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 217.655585][ T6346] loop1: detected capacity change from 0 to 32768 [ 217.707157][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 217.709188][ T6346] CPU: 1 PID: 6346 Comm: syz.1.528 Not tainted syzkaller #0 [ 217.710696][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 217.712864][ T6346] Call trace: [ 217.713468][ T6346] dump_backtrace+0x0/0x458 [ 217.714409][ T6346] show_stack+0x2c/0x3c [ 217.715315][ T6346] __dump_stack+0x30/0x40 [ 217.716336][ T6346] dump_stack_lvl+0xf4/0x15c [ 217.717352][ T6346] dump_stack+0x1c/0x5c [ 217.718285][ T6346] sysfs_create_dir_ns+0x244/0x264 [ 217.719418][ T6346] kobject_add_internal+0x594/0xc2c [ 217.720506][ T6346] kobject_init_and_add+0x128/0x194 [ 217.721652][ T6346] gfs2_sys_fs_add+0x208/0x428 [ 217.722695][ T6346] gfs2_fill_super+0xe20/0x1a9c [ 217.723697][ T6346] get_tree_bdev+0x35c/0x54c [ 217.724670][ T6346] gfs2_get_tree+0x58/0x1b8 [ 217.725677][ T6346] vfs_get_tree+0x90/0x278 [ 217.726656][ T6346] do_new_mount+0x228/0x818 [ 217.727673][ T6346] path_mount+0x57c/0xfe8 [ 217.728660][ T6346] __arm64_sys_mount+0x488/0x5f8 [ 217.729773][ T6346] invoke_syscall+0x98/0x28c [ 217.730767][ T6346] el0_svc_common+0x13c/0x258 [ 217.731783][ T6346] do_el0_svc+0x5c/0x140 [ 217.732701][ T6346] el0_svc+0x78/0x1d4 [ 217.733558][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 217.734548][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 217.735947][ T6346] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 217.738810][ T6346] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 217.961763][ T6349] loop1: detected capacity change from 0 to 32768 [ 218.020614][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 218.022813][ T6349] CPU: 0 PID: 6349 Comm: syz.1.529 Not tainted syzkaller #0 [ 218.024350][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.026581][ T6349] Call trace: [ 218.027306][ T6349] dump_backtrace+0x0/0x458 [ 218.028323][ T6349] show_stack+0x2c/0x3c [ 218.029219][ T6349] __dump_stack+0x30/0x40 [ 218.030175][ T6349] dump_stack_lvl+0xf4/0x15c [ 218.031104][ T6349] dump_stack+0x1c/0x5c [ 218.031999][ T6349] sysfs_create_dir_ns+0x244/0x264 [ 218.033082][ T6349] kobject_add_internal+0x594/0xc2c [ 218.034243][ T6349] kobject_init_and_add+0x128/0x194 [ 218.035332][ T6349] gfs2_sys_fs_add+0x208/0x428 [ 218.036357][ T6349] gfs2_fill_super+0xe20/0x1a9c [ 218.037451][ T6349] get_tree_bdev+0x35c/0x54c [ 218.038471][ T6349] gfs2_get_tree+0x58/0x1b8 [ 218.039447][ T6349] vfs_get_tree+0x90/0x278 [ 218.040325][ T6349] do_new_mount+0x228/0x818 [ 218.041259][ T6349] path_mount+0x57c/0xfe8 [ 218.042140][ T6349] __arm64_sys_mount+0x488/0x5f8 [ 218.043104][ T6349] invoke_syscall+0x98/0x28c [ 218.044082][ T6349] el0_svc_common+0x13c/0x258 [ 218.045093][ T6349] do_el0_svc+0x5c/0x140 [ 218.045951][ T6349] el0_svc+0x78/0x1d4 [ 218.046773][ T6349] el0t_64_sync_handler+0xcc/0xe4 [ 218.047869][ T6349] el0t_64_sync+0x1a0/0x1a4 [ 218.050479][ T6349] kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 218.053691][ T6349] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 218.105463][ T27] INFO: task syz-executor:4721 blocked for more than 143 seconds. [ 218.107216][ T27] Not tainted syzkaller #0 [ 218.108178][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 218.110030][ T27] task:syz-executor state:D stack: 0 pid: 4721 ppid: 1 flags:0x00000001 [ 218.111760][ T27] Call trace: [ 218.112355][ T27] __switch_to+0x2f4/0x540 [ 218.113246][ T27] __schedule+0xe20/0x1c6c [ 218.126289][ T27] schedule+0x11c/0x1c8 [ 218.127210][ T27] bit_wait+0x1c/0xac [ 218.128057][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 218.129238][ T27] gfs2_glock_nq+0x8dc/0x13d0 [ 218.130175][ T27] __gfs2_lookup+0x120/0x28c [ 218.131111][ T27] gfs2_lookup+0x2c/0x3c [ 218.131987][ T27] __lookup_slow+0x25c/0x39c [ 218.132936][ T27] lookup_slow+0x60/0x84 [ 218.143843][ T27] walk_component+0x2b8/0x3b8 [ 218.145931][ T27] path_lookupat+0x168/0x3f0 [ 218.146854][ T27] filename_lookup+0x1c8/0x478 [ 218.147832][ T27] user_path_at_empty+0x5c/0x1a0 [ 218.148738][ T27] __arm64_sys_umount+0xf8/0x184 [ 218.149699][ T27] invoke_syscall+0x98/0x28c [ 218.150656][ T27] el0_svc_common+0x13c/0x258 [ 218.151647][ T27] do_el0_svc+0x5c/0x140 [ 218.152493][ T27] el0_svc+0x78/0x1d4 [ 218.153248][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 218.162070][ T27] el0t_64_sync+0x1a0/0x1a4 [ 218.163047][ T27] [ 218.163047][ T27] Showing all locks held in the system: [ 218.169911][ T27] 1 lock held by khungtaskd/27: [ 218.170908][ T27] #0: ffff8000145a1520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 218.172772][ T27] 2 locks held by getty/3804: [ 218.173752][ T27] #0: ffff0000d2445098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 218.176767][ T27] #1: ffff80001ba762e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 218.178632][ T27] 2 locks held by kworker/1:9/4165: [ 218.179584][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 218.181404][ T27] #1: ffff80001f867c40 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 218.185346][ T27] 1 lock held by syz-executor/4721: [ 218.186327][ T27] #0: ffff0000e26a4be8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 218.188566][ T27] 2 locks held by syz.1.530/6352: [ 218.189526][ T27] [ 218.189986][ T27] ============================================= [ 218.189986][ T27] [ 218.191520][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 218.192741][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 218.194147][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 [ 218.195868][ T27] Call trace: [ 218.196579][ T27] dump_backtrace+0x0/0x458 [ 218.197472][ T27] show_stack+0x2c/0x3c [ 218.198297][ T27] __dump_stack+0x30/0x40 [ 218.199255][ T27] dump_stack_lvl+0xf4/0x15c [ 218.200260][ T27] dump_stack+0x1c/0x5c [ 218.201126][ T27] panic+0x2fc/0x860 [ 218.201846][ T27] hung_task_panic+0x0/0x2c [ 218.202788][ T27] kthread+0x37c/0x460 [ 218.203709][ T27] ret_from_fork+0x10/0x20 [ 218.204714][ T27] SMP: stopping secondary CPUs [ 218.205712][ T27] Kernel Offset: disabled [ 218.206590][ T27] CPU features: 0x5,000003c1,7d33ffd9 [ 218.207646][ T27] Memory Limit: none [ 218.517906][ T27] Rebooting in 86400 seconds..