204.228079][ T6332] el0_svc_common+0x138/0x258 [ 204.228823][ T6332] do_el0_svc+0x58/0x14c [ 204.229556][ T6332] el0_svc+0x78/0x1e0 [ 204.230246][ T6332] el0t_64_sync_handler+0xcc/0xe4 [ 204.231083][ T6332] el0t_64_sync+0x1a0/0x1a4 [ 204.232710][ T6332] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 204.234687][ T6332] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 204.481798][ T6334] loop1: detected capacity change from 0 to 32768 [ 204.521485][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 204.522635][ T6334] CPU: 1 PID: 6334 Comm: syz.1.534 Not tainted syzkaller #0 [ 204.523659][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.525307][ T6334] Call trace: [ 204.525809][ T6334] dump_backtrace+0x0/0x43c [ 204.526678][ T6334] show_stack+0x2c/0x3c [ 204.527284][ T6334] __dump_stack+0x30/0x40 [ 204.527922][ T6334] dump_stack_lvl+0xf8/0x160 [ 204.528593][ T6334] dump_stack+0x1c/0x5c [ 204.529201][ T6334] sysfs_create_dir_ns+0x22c/0x24c [ 204.530029][ T6334] kobject_add_internal+0x590/0xc54 [ 204.530902][ T6334] kobject_init_and_add+0x118/0x17c [ 204.531792][ T6334] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.532542][ T6334] gfs2_fill_super+0xdac/0x19e0 [ 204.533307][ T6334] get_tree_bdev+0x358/0x544 [ 204.534002][ T6334] gfs2_get_tree+0x54/0x1b4 [ 204.534688][ T6334] vfs_get_tree+0x90/0x274 [ 204.535354][ T6334] do_new_mount+0x228/0x810 [ 204.536078][ T6334] path_mount+0x5b4/0x1000 [ 204.536791][ T6334] __arm64_sys_mount+0x514/0x5e4 [ 204.537581][ T6334] invoke_syscall+0x98/0x2b8 [ 204.538198][ T6334] el0_svc_common+0x138/0x258 [ 204.538841][ T6334] do_el0_svc+0x58/0x14c [ 204.539426][ T6334] el0_svc+0x78/0x1e0 [ 204.540012][ T6334] el0t_64_sync_handler+0xcc/0xe4 [ 204.540727][ T6334] el0t_64_sync+0x1a0/0x1a4 [ 204.545889][ T6334] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 204.547941][ T6334] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 204.738226][ T6336] loop1: detected capacity change from 0 to 32768 [ 204.781446][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 204.782697][ T6336] CPU: 1 PID: 6336 Comm: syz.1.535 Not tainted syzkaller #0 [ 204.783820][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.785427][ T6336] Call trace: [ 204.785952][ T6336] dump_backtrace+0x0/0x43c [ 204.786635][ T6336] show_stack+0x2c/0x3c [ 204.787321][ T6336] __dump_stack+0x30/0x40 [ 204.788030][ T6336] dump_stack_lvl+0xf8/0x160 [ 204.788784][ T6336] dump_stack+0x1c/0x5c [ 204.789432][ T6336] sysfs_create_dir_ns+0x22c/0x24c [ 204.790214][ T6336] kobject_add_internal+0x590/0xc54 [ 204.791061][ T6336] kobject_init_and_add+0x118/0x17c [ 204.791882][ T6336] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.792692][ T6336] gfs2_fill_super+0xdac/0x19e0 [ 204.793534][ T6336] get_tree_bdev+0x358/0x544 [ 204.794281][ T6336] gfs2_get_tree+0x54/0x1b4 [ 204.794984][ T6336] vfs_get_tree+0x90/0x274 [ 204.795656][ T6336] do_new_mount+0x228/0x810 [ 204.796333][ T6336] path_mount+0x5b4/0x1000 [ 204.796975][ T6336] __arm64_sys_mount+0x514/0x5e4 [ 204.797662][ T6336] invoke_syscall+0x98/0x2b8 [ 204.798250][ T6336] el0_svc_common+0x138/0x258 [ 204.798878][ T6336] do_el0_svc+0x58/0x14c [ 204.799434][ T6336] el0_svc+0x78/0x1e0 [ 204.799962][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 204.800691][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 204.803569][ T6336] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 204.805461][ T6336] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 204.942905][ T6338] loop1: detected capacity change from 0 to 32768 [ 204.949940][ T6338] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 204.951478][ T6338] CPU: 1 PID: 6338 Comm: syz.1.536 Not tainted syzkaller #0 [ 204.952547][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 204.954203][ T6338] Call trace: [ 204.954735][ T6338] dump_backtrace+0x0/0x43c [ 204.955479][ T6338] show_stack+0x2c/0x3c [ 204.956142][ T6338] __dump_stack+0x30/0x40 [ 204.956846][ T6338] dump_stack_lvl+0xf8/0x160 [ 204.957554][ T6338] dump_stack+0x1c/0x5c [ 204.958225][ T6338] sysfs_create_dir_ns+0x22c/0x24c [ 204.959013][ T6338] kobject_add_internal+0x590/0xc54 [ 204.959807][ T6338] kobject_init_and_add+0x118/0x17c [ 204.960655][ T6338] gfs2_sys_fs_add+0x1dc/0x3d8 [ 204.961441][ T6338] gfs2_fill_super+0xdac/0x19e0 [ 204.962228][ T6338] get_tree_bdev+0x358/0x544 [ 204.962999][ T6338] gfs2_get_tree+0x54/0x1b4 [ 204.963739][ T6338] vfs_get_tree+0x90/0x274 [ 204.964435][ T6338] do_new_mount+0x228/0x810 [ 204.965145][ T6338] path_mount+0x5b4/0x1000 [ 204.965883][ T6338] __arm64_sys_mount+0x514/0x5e4 [ 204.966655][ T6338] invoke_syscall+0x98/0x2b8 [ 204.967356][ T6338] el0_svc_common+0x138/0x258 [ 204.968028][ T6338] do_el0_svc+0x58/0x14c [ 204.968720][ T6338] el0_svc+0x78/0x1e0 [ 204.969325][ T6338] el0t_64_sync_handler+0xcc/0xe4 [ 204.970111][ T6338] el0t_64_sync+0x1a0/0x1a4 [ 204.972197][ T6338] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 204.974176][ T6338] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 205.106430][ T6340] loop1: detected capacity change from 0 to 32768 [ 205.113567][ T6340] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 205.114731][ T6340] CPU: 0 PID: 6340 Comm: syz.1.537 Not tainted syzkaller #0 [ 205.115788][ T6340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.117143][ T6340] Call trace: [ 205.117633][ T6340] dump_backtrace+0x0/0x43c [ 205.118361][ T6340] show_stack+0x2c/0x3c [ 205.119018][ T6340] __dump_stack+0x30/0x40 [ 205.119683][ T6340] dump_stack_lvl+0xf8/0x160 [ 205.120375][ T6340] dump_stack+0x1c/0x5c [ 205.120964][ T6340] sysfs_create_dir_ns+0x22c/0x24c [ 205.121812][ T6340] kobject_add_internal+0x590/0xc54 [ 205.122632][ T6340] kobject_init_and_add+0x118/0x17c [ 205.123464][ T6340] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.124273][ T6340] gfs2_fill_super+0xdac/0x19e0 [ 205.125062][ T6340] get_tree_bdev+0x358/0x544 [ 205.125816][ T6340] gfs2_get_tree+0x54/0x1b4 [ 205.126562][ T6340] vfs_get_tree+0x90/0x274 [ 205.127293][ T6340] do_new_mount+0x228/0x810 [ 205.128023][ T6340] path_mount+0x5b4/0x1000 [ 205.128718][ T6340] __arm64_sys_mount+0x514/0x5e4 [ 205.129544][ T6340] invoke_syscall+0x98/0x2b8 [ 205.130269][ T6340] el0_svc_common+0x138/0x258 [ 205.130988][ T6340] do_el0_svc+0x58/0x14c [ 205.131648][ T6340] el0_svc+0x78/0x1e0 [ 205.132332][ T6340] el0t_64_sync_handler+0xcc/0xe4 [ 205.133153][ T6340] el0t_64_sync+0x1a0/0x1a4 [ 205.134207][ T6340] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 205.136221][ T6340] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 205.268086][ T6342] loop1: detected capacity change from 0 to 32768 [ 205.317370][ T6342] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 205.318606][ T6342] CPU: 1 PID: 6342 Comm: syz.1.538 Not tainted syzkaller #0 [ 205.319687][ T6342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.321144][ T6342] Call trace: [ 205.321631][ T6342] dump_backtrace+0x0/0x43c [ 205.322341][ T6342] show_stack+0x2c/0x3c [ 205.323054][ T6342] __dump_stack+0x30/0x40 [ 205.323773][ T6342] dump_stack_lvl+0xf8/0x160 [ 205.324553][ T6342] dump_stack+0x1c/0x5c [ 205.325193][ T6342] sysfs_create_dir_ns+0x22c/0x24c [ 205.326066][ T6342] kobject_add_internal+0x590/0xc54 [ 205.326916][ T6342] kobject_init_and_add+0x118/0x17c [ 205.327761][ T6342] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.328546][ T6342] gfs2_fill_super+0xdac/0x19e0 [ 205.329377][ T6342] get_tree_bdev+0x358/0x544 [ 205.330165][ T6342] gfs2_get_tree+0x54/0x1b4 [ 205.330933][ T6342] vfs_get_tree+0x90/0x274 [ 205.331681][ T6342] do_new_mount+0x228/0x810 [ 205.332411][ T6342] path_mount+0x5b4/0x1000 [ 205.333119][ T6342] __arm64_sys_mount+0x514/0x5e4 [ 205.333827][ T6342] invoke_syscall+0x98/0x2b8 [ 205.334510][ T6342] el0_svc_common+0x138/0x258 [ 205.335182][ T6342] do_el0_svc+0x58/0x14c [ 205.335771][ T6342] el0_svc+0x78/0x1e0 [ 205.336310][ T6342] el0t_64_sync_handler+0xcc/0xe4 [ 205.336985][ T6342] el0t_64_sync+0x1a0/0x1a4 [ 205.339218][ T6342] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 205.341192][ T6342] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 205.485661][ T6344] loop1: detected capacity change from 0 to 32768 [ 205.531383][ T6344] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 205.532647][ T6344] CPU: 1 PID: 6344 Comm: syz.1.539 Not tainted syzkaller #0 [ 205.533713][ T6344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.535192][ T6344] Call trace: [ 205.535622][ T6344] dump_backtrace+0x0/0x43c [ 205.536234][ T6344] show_stack+0x2c/0x3c [ 205.536810][ T6344] __dump_stack+0x30/0x40 [ 205.537456][ T6344] dump_stack_lvl+0xf8/0x160 [ 205.538139][ T6344] dump_stack+0x1c/0x5c [ 205.538768][ T6344] sysfs_create_dir_ns+0x22c/0x24c [ 205.539541][ T6344] kobject_add_internal+0x590/0xc54 [ 205.540330][ T6344] kobject_init_and_add+0x118/0x17c [ 205.541162][ T6344] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.541932][ T6344] gfs2_fill_super+0xdac/0x19e0 [ 205.542763][ T6344] get_tree_bdev+0x358/0x544 [ 205.543531][ T6344] gfs2_get_tree+0x54/0x1b4 [ 205.544299][ T6344] vfs_get_tree+0x90/0x274 [ 205.545026][ T6344] do_new_mount+0x228/0x810 [ 205.545757][ T6344] path_mount+0x5b4/0x1000 [ 205.546473][ T6344] __arm64_sys_mount+0x514/0x5e4 [ 205.547268][ T6344] invoke_syscall+0x98/0x2b8 [ 205.548036][ T6344] el0_svc_common+0x138/0x258 [ 205.548837][ T6344] do_el0_svc+0x58/0x14c [ 205.549494][ T6344] el0_svc+0x78/0x1e0 [ 205.550118][ T6344] el0t_64_sync_handler+0xcc/0xe4 [ 205.550926][ T6344] el0t_64_sync+0x1a0/0x1a4 [ 205.552345][ T6344] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 205.554169][ T6344] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 205.725134][ T6346] loop1: detected capacity change from 0 to 32768 [ 205.796168][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 205.797413][ T6346] CPU: 1 PID: 6346 Comm: syz.1.540 Not tainted syzkaller #0 [ 205.798460][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 205.799902][ T6346] Call trace: [ 205.800367][ T6346] dump_backtrace+0x0/0x43c [ 205.800973][ T6346] show_stack+0x2c/0x3c [ 205.801529][ T6346] __dump_stack+0x30/0x40 [ 205.802268][ T6346] dump_stack_lvl+0xf8/0x160 [ 205.803047][ T6346] dump_stack+0x1c/0x5c [ 205.803714][ T6346] sysfs_create_dir_ns+0x22c/0x24c [ 205.804562][ T6346] kobject_add_internal+0x590/0xc54 [ 205.805450][ T6346] kobject_init_and_add+0x118/0x17c [ 205.806245][ T6346] gfs2_sys_fs_add+0x1dc/0x3d8 [ 205.806961][ T6346] gfs2_fill_super+0xdac/0x19e0 [ 205.807790][ T6346] get_tree_bdev+0x358/0x544 [ 205.808575][ T6346] gfs2_get_tree+0x54/0x1b4 [ 205.809296][ T6346] vfs_get_tree+0x90/0x274 [ 205.810002][ T6346] do_new_mount+0x228/0x810 [ 205.810712][ T6346] path_mount+0x5b4/0x1000 [ 205.811410][ T6346] __arm64_sys_mount+0x514/0x5e4 [ 205.812180][ T6346] invoke_syscall+0x98/0x2b8 [ 205.812801][ T6346] el0_svc_common+0x138/0x258 [ 205.813459][ T6346] do_el0_svc+0x58/0x14c [ 205.814120][ T6346] el0_svc+0x78/0x1e0 [ 205.814737][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 205.815462][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 205.817023][ T6346] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 205.819071][ T6346] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 205.957120][ T6348] loop1: detected capacity change from 0 to 32768 [ 206.046071][ T6348] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 206.047267][ T6348] CPU: 1 PID: 6348 Comm: syz.1.541 Not tainted syzkaller #0 [ 206.048362][ T6348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.049946][ T6348] Call trace: [ 206.050483][ T6348] dump_backtrace+0x0/0x43c [ 206.051183][ T6348] show_stack+0x2c/0x3c [ 206.051795][ T6348] __dump_stack+0x30/0x40 [ 206.052447][ T6348] dump_stack_lvl+0xf8/0x160 [ 206.053154][ T6348] dump_stack+0x1c/0x5c [ 206.053873][ T6348] sysfs_create_dir_ns+0x22c/0x24c [ 206.054719][ T6348] kobject_add_internal+0x590/0xc54 [ 206.055545][ T6348] kobject_init_and_add+0x118/0x17c [ 206.056324][ T6348] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.057130][ T6348] gfs2_fill_super+0xdac/0x19e0 [ 206.057945][ T6348] get_tree_bdev+0x358/0x544 [ 206.058658][ T6348] gfs2_get_tree+0x54/0x1b4 [ 206.059302][ T6348] vfs_get_tree+0x90/0x274 [ 206.059938][ T6348] do_new_mount+0x228/0x810 [ 206.060665][ T6348] path_mount+0x5b4/0x1000 [ 206.061294][ T6348] __arm64_sys_mount+0x514/0x5e4 [ 206.062055][ T6348] invoke_syscall+0x98/0x2b8 [ 206.062717][ T6348] el0_svc_common+0x138/0x258 [ 206.063423][ T6348] do_el0_svc+0x58/0x14c [ 206.064034][ T6348] el0_svc+0x78/0x1e0 [ 206.064614][ T6348] el0t_64_sync_handler+0xcc/0xe4 [ 206.065302][ T6348] el0t_64_sync+0x1a0/0x1a4 [ 206.066946][ T6348] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 206.068931][ T6348] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:26 executed programs: 528 [ 206.202314][ T6350] loop1: detected capacity change from 0 to 32768 [ 206.256979][ T6350] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 206.258166][ T6350] CPU: 1 PID: 6350 Comm: syz.1.542 Not tainted syzkaller #0 [ 206.259356][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.260963][ T6350] Call trace: [ 206.261468][ T6350] dump_backtrace+0x0/0x43c [ 206.262178][ T6350] show_stack+0x2c/0x3c [ 206.262833][ T6350] __dump_stack+0x30/0x40 [ 206.263546][ T6350] dump_stack_lvl+0xf8/0x160 [ 206.264304][ T6350] dump_stack+0x1c/0x5c [ 206.264964][ T6350] sysfs_create_dir_ns+0x22c/0x24c [ 206.265847][ T6350] kobject_add_internal+0x590/0xc54 [ 206.266696][ T6350] kobject_init_and_add+0x118/0x17c [ 206.267525][ T6350] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.268193][ T6350] gfs2_fill_super+0xdac/0x19e0 [ 206.268879][ T6350] get_tree_bdev+0x358/0x544 [ 206.269517][ T6350] gfs2_get_tree+0x54/0x1b4 [ 206.270152][ T6350] vfs_get_tree+0x90/0x274 [ 206.270778][ T6350] do_new_mount+0x228/0x810 [ 206.271400][ T6350] path_mount+0x5b4/0x1000 [ 206.272100][ T6350] __arm64_sys_mount+0x514/0x5e4 [ 206.272900][ T6350] invoke_syscall+0x98/0x2b8 [ 206.273646][ T6350] el0_svc_common+0x138/0x258 [ 206.274400][ T6350] do_el0_svc+0x58/0x14c [ 206.275043][ T6350] el0_svc+0x78/0x1e0 [ 206.275671][ T6350] el0t_64_sync_handler+0xcc/0xe4 [ 206.276374][ T6350] el0t_64_sync+0x1a0/0x1a4 [ 206.279173][ T6350] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 206.281189][ T6350] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 206.422230][ T6352] loop1: detected capacity change from 0 to 32768 [ 206.528636][ T6352] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 206.529895][ T6352] CPU: 1 PID: 6352 Comm: syz.1.543 Not tainted syzkaller #0 [ 206.530994][ T6352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.532548][ T6352] Call trace: [ 206.533038][ T6352] dump_backtrace+0x0/0x43c [ 206.533712][ T6352] show_stack+0x2c/0x3c [ 206.534277][ T6352] __dump_stack+0x30/0x40 [ 206.534887][ T6352] dump_stack_lvl+0xf8/0x160 [ 206.535621][ T6352] dump_stack+0x1c/0x5c [ 206.536184][ T6352] sysfs_create_dir_ns+0x22c/0x24c [ 206.536877][ T6352] kobject_add_internal+0x590/0xc54 [ 206.537595][ T6352] kobject_init_and_add+0x118/0x17c [ 206.538315][ T6352] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.538990][ T6352] gfs2_fill_super+0xdac/0x19e0 [ 206.539647][ T6352] get_tree_bdev+0x358/0x544 [ 206.540296][ T6352] gfs2_get_tree+0x54/0x1b4 [ 206.540931][ T6352] vfs_get_tree+0x90/0x274 [ 206.541543][ T6352] do_new_mount+0x228/0x810 [ 206.542169][ T6352] path_mount+0x5b4/0x1000 [ 206.542771][ T6352] __arm64_sys_mount+0x514/0x5e4 [ 206.543434][ T6352] invoke_syscall+0x98/0x2b8 [ 206.544108][ T6352] el0_svc_common+0x138/0x258 [ 206.544876][ T6352] do_el0_svc+0x58/0x14c [ 206.545526][ T6352] el0_svc+0x78/0x1e0 [ 206.546137][ T6352] el0t_64_sync_handler+0xcc/0xe4 [ 206.546896][ T6352] el0t_64_sync+0x1a0/0x1a4 [ 206.549072][ T6352] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 206.551045][ T6352] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 206.684585][ T6354] loop1: detected capacity change from 0 to 32768 [ 206.721463][ T6354] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 206.728167][ T6354] CPU: 0 PID: 6354 Comm: syz.1.544 Not tainted syzkaller #0 [ 206.729280][ T6354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.730853][ T6354] Call trace: [ 206.731372][ T6354] dump_backtrace+0x0/0x43c [ 206.732139][ T6354] show_stack+0x2c/0x3c [ 206.732780][ T6354] __dump_stack+0x30/0x40 [ 206.733456][ T6354] dump_stack_lvl+0xf8/0x160 [ 206.734158][ T6354] dump_stack+0x1c/0x5c [ 206.734736][ T6354] sysfs_create_dir_ns+0x22c/0x24c [ 206.735482][ T6354] kobject_add_internal+0x590/0xc54 [ 206.736269][ T6354] kobject_init_and_add+0x118/0x17c [ 206.737046][ T6354] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.737761][ T6354] gfs2_fill_super+0xdac/0x19e0 [ 206.738476][ T6354] get_tree_bdev+0x358/0x544 [ 206.739156][ T6354] gfs2_get_tree+0x54/0x1b4 [ 206.739791][ T6354] vfs_get_tree+0x90/0x274 [ 206.740405][ T6354] do_new_mount+0x228/0x810 [ 206.741029][ T6354] path_mount+0x5b4/0x1000 [ 206.741630][ T6354] __arm64_sys_mount+0x514/0x5e4 [ 206.742398][ T6354] invoke_syscall+0x98/0x2b8 [ 206.743083][ T6354] el0_svc_common+0x138/0x258 [ 206.743767][ T6354] do_el0_svc+0x58/0x14c [ 206.744453][ T6354] el0_svc+0x78/0x1e0 [ 206.745109][ T6354] el0t_64_sync_handler+0xcc/0xe4 [ 206.745894][ T6354] el0t_64_sync+0x1a0/0x1a4 [ 206.746844][ T6354] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 206.748916][ T6354] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 206.879686][ T6356] loop1: detected capacity change from 0 to 32768 [ 206.911431][ T6356] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 206.913387][ T6356] CPU: 1 PID: 6356 Comm: syz.1.545 Not tainted syzkaller #0 [ 206.914465][ T6356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 206.916072][ T6356] Call trace: [ 206.916526][ T6356] dump_backtrace+0x0/0x43c [ 206.917188][ T6356] show_stack+0x2c/0x3c [ 206.917785][ T6356] __dump_stack+0x30/0x40 [ 206.918467][ T6356] dump_stack_lvl+0xf8/0x160 [ 206.919212][ T6356] dump_stack+0x1c/0x5c [ 206.919902][ T6356] sysfs_create_dir_ns+0x22c/0x24c [ 206.920697][ T6356] kobject_add_internal+0x590/0xc54 [ 206.921467][ T6356] kobject_init_and_add+0x118/0x17c [ 206.922271][ T6356] gfs2_sys_fs_add+0x1dc/0x3d8 [ 206.923033][ T6356] gfs2_fill_super+0xdac/0x19e0 [ 206.923733][ T6356] get_tree_bdev+0x358/0x544 [ 206.924455][ T6356] gfs2_get_tree+0x54/0x1b4 [ 206.925130][ T6356] vfs_get_tree+0x90/0x274 [ 206.925767][ T6356] do_new_mount+0x228/0x810 [ 206.926408][ T6356] path_mount+0x5b4/0x1000 [ 206.927029][ T6356] __arm64_sys_mount+0x514/0x5e4 [ 206.927766][ T6356] invoke_syscall+0x98/0x2b8 [ 206.928487][ T6356] el0_svc_common+0x138/0x258 [ 206.929195][ T6356] do_el0_svc+0x58/0x14c [ 206.929787][ T6356] el0_svc+0x78/0x1e0 [ 206.930342][ T6356] el0t_64_sync_handler+0xcc/0xe4 [ 206.931034][ T6356] el0t_64_sync+0x1a0/0x1a4 [ 206.937569][ T6356] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 206.939690][ T6356] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 207.074456][ T6358] loop1: detected capacity change from 0 to 32768 [ 207.078354][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 207.079677][ T6358] CPU: 1 PID: 6358 Comm: syz.1.546 Not tainted syzkaller #0 [ 207.080825][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.082408][ T6358] Call trace: [ 207.082915][ T6358] dump_backtrace+0x0/0x43c [ 207.083605][ T6358] show_stack+0x2c/0x3c [ 207.084245][ T6358] __dump_stack+0x30/0x40 [ 207.084839][ T6358] dump_stack_lvl+0xf8/0x160 [ 207.085480][ T6358] dump_stack+0x1c/0x5c [ 207.086160][ T6358] sysfs_create_dir_ns+0x22c/0x24c [ 207.087028][ T6358] kobject_add_internal+0x590/0xc54 [ 207.087884][ T6358] kobject_init_and_add+0x118/0x17c [ 207.088695][ T6358] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.089492][ T6358] gfs2_fill_super+0xdac/0x19e0 [ 207.090298][ T6358] get_tree_bdev+0x358/0x544 [ 207.090993][ T6358] gfs2_get_tree+0x54/0x1b4 [ 207.091669][ T6358] vfs_get_tree+0x90/0x274 [ 207.092330][ T6358] do_new_mount+0x228/0x810 [ 207.093015][ T6358] path_mount+0x5b4/0x1000 [ 207.093736][ T6358] __arm64_sys_mount+0x514/0x5e4 [ 207.094491][ T6358] invoke_syscall+0x98/0x2b8 [ 207.095186][ T6358] el0_svc_common+0x138/0x258 [ 207.095859][ T6358] do_el0_svc+0x58/0x14c [ 207.096542][ T6358] el0_svc+0x78/0x1e0 [ 207.097214][ T6358] el0t_64_sync_handler+0xcc/0xe4 [ 207.098042][ T6358] el0t_64_sync+0x1a0/0x1a4 [ 207.100380][ T6358] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 207.102511][ T6358] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 207.238050][ T6360] loop1: detected capacity change from 0 to 32768 [ 207.271412][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 207.272598][ T6360] CPU: 0 PID: 6360 Comm: syz.1.547 Not tainted syzkaller #0 [ 207.273659][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.275065][ T6360] Call trace: [ 207.275505][ T6360] dump_backtrace+0x0/0x43c [ 207.276155][ T6360] show_stack+0x2c/0x3c [ 207.276755][ T6360] __dump_stack+0x30/0x40 [ 207.277341][ T6360] dump_stack_lvl+0xf8/0x160 [ 207.277975][ T6360] dump_stack+0x1c/0x5c [ 207.278566][ T6360] sysfs_create_dir_ns+0x22c/0x24c [ 207.279271][ T6360] kobject_add_internal+0x590/0xc54 [ 207.280038][ T6360] kobject_init_and_add+0x118/0x17c [ 207.280780][ T6360] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.281461][ T6360] gfs2_fill_super+0xdac/0x19e0 [ 207.282139][ T6360] get_tree_bdev+0x358/0x544 [ 207.282775][ T6360] gfs2_get_tree+0x54/0x1b4 [ 207.283405][ T6360] vfs_get_tree+0x90/0x274 [ 207.284053][ T6360] do_new_mount+0x228/0x810 [ 207.284655][ T6360] path_mount+0x5b4/0x1000 [ 207.285262][ T6360] __arm64_sys_mount+0x514/0x5e4 [ 207.285931][ T6360] invoke_syscall+0x98/0x2b8 [ 207.286677][ T6360] el0_svc_common+0x138/0x258 [ 207.287334][ T6360] do_el0_svc+0x58/0x14c [ 207.287930][ T6360] el0_svc+0x78/0x1e0 [ 207.288552][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 207.289310][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 207.290333][ T6360] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 207.292525][ T6360] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 207.423105][ T6362] loop1: detected capacity change from 0 to 32768 [ 207.476548][ T6362] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 207.477761][ T6362] CPU: 0 PID: 6362 Comm: syz.1.548 Not tainted syzkaller #0 [ 207.478918][ T6362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.480422][ T6362] Call trace: [ 207.480901][ T6362] dump_backtrace+0x0/0x43c [ 207.481591][ T6362] show_stack+0x2c/0x3c [ 207.482192][ T6362] __dump_stack+0x30/0x40 [ 207.482855][ T6362] dump_stack_lvl+0xf8/0x160 [ 207.483582][ T6362] dump_stack+0x1c/0x5c [ 207.484250][ T6362] sysfs_create_dir_ns+0x22c/0x24c [ 207.485129][ T6362] kobject_add_internal+0x590/0xc54 [ 207.485919][ T6362] kobject_init_and_add+0x118/0x17c [ 207.486727][ T6362] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.487428][ T6362] gfs2_fill_super+0xdac/0x19e0 [ 207.488183][ T6362] get_tree_bdev+0x358/0x544 [ 207.488833][ T6362] gfs2_get_tree+0x54/0x1b4 [ 207.489525][ T6362] vfs_get_tree+0x90/0x274 [ 207.490146][ T6362] do_new_mount+0x228/0x810 [ 207.490839][ T6362] path_mount+0x5b4/0x1000 [ 207.491555][ T6362] __arm64_sys_mount+0x514/0x5e4 [ 207.492289][ T6362] invoke_syscall+0x98/0x2b8 [ 207.493060][ T6362] el0_svc_common+0x138/0x258 [ 207.493794][ T6362] do_el0_svc+0x58/0x14c [ 207.494527][ T6362] el0_svc+0x78/0x1e0 [ 207.495188][ T6362] el0t_64_sync_handler+0xcc/0xe4 [ 207.495968][ T6362] el0t_64_sync+0x1a0/0x1a4 [ 207.498523][ T6362] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 207.500443][ T6362] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 207.633562][ T6364] loop1: detected capacity change from 0 to 32768 [ 207.727442][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 207.728746][ T6364] CPU: 0 PID: 6364 Comm: syz.1.549 Not tainted syzkaller #0 [ 207.729838][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.731255][ T6364] Call trace: [ 207.731774][ T6364] dump_backtrace+0x0/0x43c [ 207.732462][ T6364] show_stack+0x2c/0x3c [ 207.733096][ T6364] __dump_stack+0x30/0x40 [ 207.733733][ T6364] dump_stack_lvl+0xf8/0x160 [ 207.734411][ T6364] dump_stack+0x1c/0x5c [ 207.735041][ T6364] sysfs_create_dir_ns+0x22c/0x24c [ 207.735795][ T6364] kobject_add_internal+0x590/0xc54 [ 207.736562][ T6364] kobject_init_and_add+0x118/0x17c [ 207.737324][ T6364] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.738049][ T6364] gfs2_fill_super+0xdac/0x19e0 [ 207.738777][ T6364] get_tree_bdev+0x358/0x544 [ 207.739443][ T6364] gfs2_get_tree+0x54/0x1b4 [ 207.740100][ T6364] vfs_get_tree+0x90/0x274 [ 207.740738][ T6364] do_new_mount+0x228/0x810 [ 207.741394][ T6364] path_mount+0x5b4/0x1000 [ 207.742006][ T6364] __arm64_sys_mount+0x514/0x5e4 [ 207.742690][ T6364] invoke_syscall+0x98/0x2b8 [ 207.743330][ T6364] el0_svc_common+0x138/0x258 [ 207.743984][ T6364] do_el0_svc+0x58/0x14c [ 207.744560][ T6364] el0_svc+0x78/0x1e0 [ 207.745116][ T6364] el0t_64_sync_handler+0xcc/0xe4 [ 207.745818][ T6364] el0t_64_sync+0x1a0/0x1a4 [ 207.748099][ T6364] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 207.749976][ T6364] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 207.882997][ T6366] loop1: detected capacity change from 0 to 32768 [ 207.927308][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 207.928527][ T6366] CPU: 1 PID: 6366 Comm: syz.1.550 Not tainted syzkaller #0 [ 207.929605][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 207.931249][ T6366] Call trace: [ 207.931782][ T6366] dump_backtrace+0x0/0x43c [ 207.932502][ T6366] show_stack+0x2c/0x3c [ 207.933165][ T6366] __dump_stack+0x30/0x40 [ 207.933773][ T6366] dump_stack_lvl+0xf8/0x160 [ 207.934417][ T6366] dump_stack+0x1c/0x5c [ 207.935065][ T6366] sysfs_create_dir_ns+0x22c/0x24c [ 207.935830][ T6366] kobject_add_internal+0x590/0xc54 [ 207.936666][ T6366] kobject_init_and_add+0x118/0x17c [ 207.937509][ T6366] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.938281][ T6366] gfs2_fill_super+0xdac/0x19e0 [ 207.939114][ T6366] get_tree_bdev+0x358/0x544 [ 207.939823][ T6366] gfs2_get_tree+0x54/0x1b4 [ 207.940562][ T6366] vfs_get_tree+0x90/0x274 [ 207.941232][ T6366] do_new_mount+0x228/0x810 [ 207.941872][ T6366] path_mount+0x5b4/0x1000 [ 207.942494][ T6366] __arm64_sys_mount+0x514/0x5e4 [ 207.943188][ T6366] invoke_syscall+0x98/0x2b8 [ 207.943834][ T6366] el0_svc_common+0x138/0x258 [ 207.944473][ T6366] do_el0_svc+0x58/0x14c [ 207.945152][ T6366] el0_svc+0x78/0x1e0 [ 207.945827][ T6366] el0t_64_sync_handler+0xcc/0xe4 [ 207.946684][ T6366] el0t_64_sync+0x1a0/0x1a4 [ 207.948263][ T6366] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 207.950239][ T6366] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 208.081240][ T6368] loop1: detected capacity change from 0 to 32768 [ 208.136682][ T6368] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 208.137855][ T6368] CPU: 1 PID: 6368 Comm: syz.1.551 Not tainted syzkaller #0 [ 208.138848][ T6368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.140300][ T6368] Call trace: [ 208.140782][ T6368] dump_backtrace+0x0/0x43c [ 208.141440][ T6368] show_stack+0x2c/0x3c [ 208.142030][ T6368] __dump_stack+0x30/0x40 [ 208.142650][ T6368] dump_stack_lvl+0xf8/0x160 [ 208.143294][ T6368] dump_stack+0x1c/0x5c [ 208.143880][ T6368] sysfs_create_dir_ns+0x22c/0x24c [ 208.144651][ T6368] kobject_add_internal+0x590/0xc54 [ 208.145420][ T6368] kobject_init_and_add+0x118/0x17c [ 208.146215][ T6368] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.147023][ T6368] gfs2_fill_super+0xdac/0x19e0 [ 208.147794][ T6368] get_tree_bdev+0x358/0x544 [ 208.148485][ T6368] gfs2_get_tree+0x54/0x1b4 [ 208.149162][ T6368] vfs_get_tree+0x90/0x274 [ 208.149858][ T6368] do_new_mount+0x228/0x810 [ 208.150598][ T6368] path_mount+0x5b4/0x1000 [ 208.151266][ T6368] __arm64_sys_mount+0x514/0x5e4 [ 208.151984][ T6368] invoke_syscall+0x98/0x2b8 [ 208.152627][ T6368] el0_svc_common+0x138/0x258 [ 208.153299][ T6368] do_el0_svc+0x58/0x14c [ 208.153899][ T6368] el0_svc+0x78/0x1e0 [ 208.154511][ T6368] el0t_64_sync_handler+0xcc/0xe4 [ 208.155275][ T6368] el0t_64_sync+0x1a0/0x1a4 [ 208.156159][ T6368] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 208.157956][ T6368] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 208.288685][ T6370] loop1: detected capacity change from 0 to 32768 [ 208.351456][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 208.352803][ T6370] CPU: 0 PID: 6370 Comm: syz.1.552 Not tainted syzkaller #0 [ 208.353941][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.355378][ T6370] Call trace: [ 208.355828][ T6370] dump_backtrace+0x0/0x43c [ 208.356487][ T6370] show_stack+0x2c/0x3c [ 208.357141][ T6370] __dump_stack+0x30/0x40 [ 208.357855][ T6370] dump_stack_lvl+0xf8/0x160 [ 208.358629][ T6370] dump_stack+0x1c/0x5c [ 208.359332][ T6370] sysfs_create_dir_ns+0x22c/0x24c [ 208.360197][ T6370] kobject_add_internal+0x590/0xc54 [ 208.360972][ T6370] kobject_init_and_add+0x118/0x17c [ 208.361779][ T6370] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.362560][ T6370] gfs2_fill_super+0xdac/0x19e0 [ 208.363266][ T6370] get_tree_bdev+0x358/0x544 [ 208.363931][ T6370] gfs2_get_tree+0x54/0x1b4 [ 208.364587][ T6370] vfs_get_tree+0x90/0x274 [ 208.365206][ T6370] do_new_mount+0x228/0x810 [ 208.365921][ T6370] path_mount+0x5b4/0x1000 [ 208.366665][ T6370] __arm64_sys_mount+0x514/0x5e4 [ 208.367451][ T6370] invoke_syscall+0x98/0x2b8 [ 208.368142][ T6370] el0_svc_common+0x138/0x258 [ 208.368887][ T6370] do_el0_svc+0x58/0x14c [ 208.369591][ T6370] el0_svc+0x78/0x1e0 [ 208.370188][ T6370] el0t_64_sync_handler+0xcc/0xe4 [ 208.370938][ T6370] el0t_64_sync+0x1a0/0x1a4 [ 208.373230][ T6370] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 208.375004][ T6370] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 208.512060][ T6372] loop1: detected capacity change from 0 to 32768 [ 208.561427][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 208.562730][ T6372] CPU: 1 PID: 6372 Comm: syz.1.553 Not tainted syzkaller #0 [ 208.563873][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.565428][ T6372] Call trace: [ 208.565964][ T6372] dump_backtrace+0x0/0x43c [ 208.566658][ T6372] show_stack+0x2c/0x3c [ 208.567245][ T6372] __dump_stack+0x30/0x40 [ 208.567831][ T6372] dump_stack_lvl+0xf8/0x160 [ 208.568490][ T6372] dump_stack+0x1c/0x5c [ 208.569079][ T6372] sysfs_create_dir_ns+0x22c/0x24c [ 208.569918][ T6372] kobject_add_internal+0x590/0xc54 [ 208.570770][ T6372] kobject_init_and_add+0x118/0x17c [ 208.571602][ T6372] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.572369][ T6372] gfs2_fill_super+0xdac/0x19e0 [ 208.573190][ T6372] get_tree_bdev+0x358/0x544 [ 208.573934][ T6372] gfs2_get_tree+0x54/0x1b4 [ 208.574690][ T6372] vfs_get_tree+0x90/0x274 [ 208.575393][ T6372] do_new_mount+0x228/0x810 [ 208.576112][ T6372] path_mount+0x5b4/0x1000 [ 208.576723][ T6372] __arm64_sys_mount+0x514/0x5e4 [ 208.577433][ T6372] invoke_syscall+0x98/0x2b8 [ 208.578131][ T6372] el0_svc_common+0x138/0x258 [ 208.578808][ T6372] do_el0_svc+0x58/0x14c [ 208.579450][ T6372] el0_svc+0x78/0x1e0 [ 208.580044][ T6372] el0t_64_sync_handler+0xcc/0xe4 [ 208.580840][ T6372] el0t_64_sync+0x1a0/0x1a4 [ 208.581624][ T6372] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 208.583610][ T6372] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 208.724891][ T6374] loop1: detected capacity change from 0 to 32768 [ 208.728257][ T6374] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 208.729566][ T6374] CPU: 1 PID: 6374 Comm: syz.1.554 Not tainted syzkaller #0 [ 208.730609][ T6374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 208.731975][ T6374] Call trace: [ 208.732472][ T6374] dump_backtrace+0x0/0x43c [ 208.733112][ T6374] show_stack+0x2c/0x3c [ 208.733717][ T6374] __dump_stack+0x30/0x40 [ 208.734326][ T6374] dump_stack_lvl+0xf8/0x160 [ 208.735042][ T6374] dump_stack+0x1c/0x5c [ 208.735699][ T6374] sysfs_create_dir_ns+0x22c/0x24c [ 208.736490][ T6374] kobject_add_internal+0x590/0xc54 [ 208.737248][ T6374] kobject_init_and_add+0x118/0x17c [ 208.738060][ T6374] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.738761][ T6374] gfs2_fill_super+0xdac/0x19e0 [ 208.739563][ T6374] get_tree_bdev+0x358/0x544 [ 208.740322][ T6374] gfs2_get_tree+0x54/0x1b4 [ 208.741029][ T6374] vfs_get_tree+0x90/0x274 [ 208.741775][ T6374] do_new_mount+0x228/0x810 [ 208.742543][ T6374] path_mount+0x5b4/0x1000 [ 208.743257][ T6374] __arm64_sys_mount+0x514/0x5e4 [ 208.743896][ T6374] invoke_syscall+0x98/0x2b8 [ 208.744693][ T6374] el0_svc_common+0x138/0x258 [ 208.745463][ T6374] do_el0_svc+0x58/0x14c [ 208.746190][ T6374] el0_svc+0x78/0x1e0 [ 208.746810][ T6374] el0t_64_sync_handler+0xcc/0xe4 [ 208.747559][ T6374] el0t_64_sync+0x1a0/0x1a4 [ 208.748482][ T6374] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 208.750580][ T6374] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 208.995992][ T6376] loop1: detected capacity change from 0 to 32768 [ 209.047571][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 209.048800][ T6376] CPU: 1 PID: 6376 Comm: syz.1.555 Not tainted syzkaller #0 [ 209.049895][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.051372][ T6376] Call trace: [ 209.051838][ T6376] dump_backtrace+0x0/0x43c [ 209.052534][ T6376] show_stack+0x2c/0x3c [ 209.053185][ T6376] __dump_stack+0x30/0x40 [ 209.053829][ T6376] dump_stack_lvl+0xf8/0x160 [ 209.054577][ T6376] dump_stack+0x1c/0x5c [ 209.055222][ T6376] sysfs_create_dir_ns+0x22c/0x24c [ 209.056049][ T6376] kobject_add_internal+0x590/0xc54 [ 209.056891][ T6376] kobject_init_and_add+0x118/0x17c [ 209.057769][ T6376] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.058556][ T6376] gfs2_fill_super+0xdac/0x19e0 [ 209.059368][ T6376] get_tree_bdev+0x358/0x544 [ 209.060155][ T6376] gfs2_get_tree+0x54/0x1b4 [ 209.060904][ T6376] vfs_get_tree+0x90/0x274 [ 209.061573][ T6376] do_new_mount+0x228/0x810 [ 209.062282][ T6376] path_mount+0x5b4/0x1000 [ 209.062977][ T6376] __arm64_sys_mount+0x514/0x5e4 [ 209.063708][ T6376] invoke_syscall+0x98/0x2b8 [ 209.064393][ T6376] el0_svc_common+0x138/0x258 [ 209.065052][ T6376] do_el0_svc+0x58/0x14c [ 209.065734][ T6376] el0_svc+0x78/0x1e0 [ 209.066447][ T6376] el0t_64_sync_handler+0xcc/0xe4 [ 209.067169][ T6376] el0t_64_sync+0x1a0/0x1a4 [ 209.068173][ T6376] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 209.070189][ T6376] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 209.205095][ T6378] loop1: detected capacity change from 0 to 32768 [ 209.295862][ T6378] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 209.297085][ T6378] CPU: 1 PID: 6378 Comm: syz.1.556 Not tainted syzkaller #0 [ 209.298155][ T6378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.299719][ T6378] Call trace: [ 209.300305][ T6378] dump_backtrace+0x0/0x43c [ 209.300990][ T6378] show_stack+0x2c/0x3c [ 209.301630][ T6378] __dump_stack+0x30/0x40 [ 209.302384][ T6378] dump_stack_lvl+0xf8/0x160 [ 209.303099][ T6378] dump_stack+0x1c/0x5c [ 209.303755][ T6378] sysfs_create_dir_ns+0x22c/0x24c [ 209.304476][ T6378] kobject_add_internal+0x590/0xc54 [ 209.305266][ T6378] kobject_init_and_add+0x118/0x17c [ 209.306052][ T6378] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.306728][ T6378] gfs2_fill_super+0xdac/0x19e0 [ 209.307467][ T6378] get_tree_bdev+0x358/0x544 [ 209.308124][ T6378] gfs2_get_tree+0x54/0x1b4 [ 209.308737][ T6378] vfs_get_tree+0x90/0x274 [ 209.309339][ T6378] do_new_mount+0x228/0x810 [ 209.310088][ T6378] path_mount+0x5b4/0x1000 [ 209.310787][ T6378] __arm64_sys_mount+0x514/0x5e4 [ 209.311549][ T6378] invoke_syscall+0x98/0x2b8 [ 209.312323][ T6378] el0_svc_common+0x138/0x258 [ 209.313039][ T6378] do_el0_svc+0x58/0x14c [ 209.313719][ T6378] el0_svc+0x78/0x1e0 [ 209.314283][ T6378] el0t_64_sync_handler+0xcc/0xe4 [ 209.315110][ T6378] el0t_64_sync+0x1a0/0x1a4 [ 209.316615][ T6378] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 209.318770][ T6378] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 209.500056][ T6380] loop1: detected capacity change from 0 to 32768 [ 209.541446][ T6380] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 209.542667][ T6380] CPU: 0 PID: 6380 Comm: syz.1.557 Not tainted syzkaller #0 [ 209.543683][ T6380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.545219][ T6380] Call trace: [ 209.545742][ T6380] dump_backtrace+0x0/0x43c [ 209.546402][ T6380] show_stack+0x2c/0x3c [ 209.547076][ T6380] __dump_stack+0x30/0x40 [ 209.547758][ T6380] dump_stack_lvl+0xf8/0x160 [ 209.548463][ T6380] dump_stack+0x1c/0x5c [ 209.549089][ T6380] sysfs_create_dir_ns+0x22c/0x24c [ 209.549850][ T6380] kobject_add_internal+0x590/0xc54 [ 209.550564][ T6380] kobject_init_and_add+0x118/0x17c [ 209.551295][ T6380] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.551990][ T6380] gfs2_fill_super+0xdac/0x19e0 [ 209.552667][ T6380] get_tree_bdev+0x358/0x544 [ 209.553330][ T6380] gfs2_get_tree+0x54/0x1b4 [ 209.553965][ T6380] vfs_get_tree+0x90/0x274 [ 209.554589][ T6380] do_new_mount+0x228/0x810 [ 209.555242][ T6380] path_mount+0x5b4/0x1000 [ 209.555914][ T6380] __arm64_sys_mount+0x514/0x5e4 [ 209.556660][ T6380] invoke_syscall+0x98/0x2b8 [ 209.557394][ T6380] el0_svc_common+0x138/0x258 [ 209.558097][ T6380] do_el0_svc+0x58/0x14c [ 209.558732][ T6380] el0_svc+0x78/0x1e0 [ 209.559331][ T6380] el0t_64_sync_handler+0xcc/0xe4 [ 209.560077][ T6380] el0t_64_sync+0x1a0/0x1a4 [ 209.560914][ T6380] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 209.562783][ T6380] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 209.700093][ T6382] loop1: detected capacity change from 0 to 32768 [ 209.751405][ T6382] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 209.752539][ T6382] CPU: 1 PID: 6382 Comm: syz.1.558 Not tainted syzkaller #0 [ 209.753578][ T6382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 209.754902][ T6382] Call trace: [ 209.755413][ T6382] dump_backtrace+0x0/0x43c [ 209.756076][ T6382] show_stack+0x2c/0x3c [ 209.756652][ T6382] __dump_stack+0x30/0x40 [ 209.757285][ T6382] dump_stack_lvl+0xf8/0x160 [ 209.757899][ T6382] dump_stack+0x1c/0x5c [ 209.758472][ T6382] sysfs_create_dir_ns+0x22c/0x24c [ 209.759200][ T6382] kobject_add_internal+0x590/0xc54 [ 209.759981][ T6382] kobject_init_and_add+0x118/0x17c [ 209.760732][ T6382] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.761394][ T6382] gfs2_fill_super+0xdac/0x19e0 [ 209.762147][ T6382] get_tree_bdev+0x358/0x544 [ 209.762808][ T6382] gfs2_get_tree+0x54/0x1b4 [ 209.763483][ T6382] vfs_get_tree+0x90/0x274 [ 209.764111][ T6382] do_new_mount+0x228/0x810 [ 209.764736][ T6382] path_mount+0x5b4/0x1000 [ 209.765421][ T6382] __arm64_sys_mount+0x514/0x5e4 [ 209.766267][ T6382] invoke_syscall+0x98/0x2b8 [ 209.767019][ T6382] el0_svc_common+0x138/0x258 [ 209.767811][ T6382] do_el0_svc+0x58/0x14c [ 209.768506][ T6382] el0_svc+0x78/0x1e0 [ 209.769150][ T6382] el0t_64_sync_handler+0xcc/0xe4 [ 209.769944][ T6382] el0t_64_sync+0x1a0/0x1a4 [ 209.772164][ T6382] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 209.774026][ T6382] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 209.974012][ T6384] loop1: detected capacity change from 0 to 32768 [ 210.021400][ T6384] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 210.022693][ T6384] CPU: 0 PID: 6384 Comm: syz.1.559 Not tainted syzkaller #0 [ 210.023777][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.025192][ T6384] Call trace: [ 210.025652][ T6384] dump_backtrace+0x0/0x43c [ 210.026318][ T6384] show_stack+0x2c/0x3c [ 210.026885][ T6384] __dump_stack+0x30/0x40 [ 210.027519][ T6384] dump_stack_lvl+0xf8/0x160 [ 210.028171][ T6384] dump_stack+0x1c/0x5c [ 210.028791][ T6384] sysfs_create_dir_ns+0x22c/0x24c [ 210.029526][ T6384] kobject_add_internal+0x590/0xc54 [ 210.030323][ T6384] kobject_init_and_add+0x118/0x17c [ 210.031065][ T6384] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.031797][ T6384] gfs2_fill_super+0xdac/0x19e0 [ 210.032602][ T6384] get_tree_bdev+0x358/0x544 [ 210.033277][ T6384] gfs2_get_tree+0x54/0x1b4 [ 210.033961][ T6384] vfs_get_tree+0x90/0x274 [ 210.034632][ T6384] do_new_mount+0x228/0x810 [ 210.035362][ T6384] path_mount+0x5b4/0x1000 [ 210.036080][ T6384] __arm64_sys_mount+0x514/0x5e4 [ 210.036889][ T6384] invoke_syscall+0x98/0x2b8 [ 210.037644][ T6384] el0_svc_common+0x138/0x258 [ 210.038371][ T6384] do_el0_svc+0x58/0x14c [ 210.039001][ T6384] el0_svc+0x78/0x1e0 [ 210.039613][ T6384] el0t_64_sync_handler+0xcc/0xe4 [ 210.040428][ T6384] el0t_64_sync+0x1a0/0x1a4 [ 210.042615][ T6384] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 210.045124][ T6384] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 210.176926][ T6386] loop1: detected capacity change from 0 to 32768 [ 210.252223][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 210.253586][ T6386] CPU: 1 PID: 6386 Comm: syz.1.560 Not tainted syzkaller #0 [ 210.254641][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.256270][ T6386] Call trace: [ 210.256798][ T6386] dump_backtrace+0x0/0x43c [ 210.257502][ T6386] show_stack+0x2c/0x3c [ 210.258169][ T6386] __dump_stack+0x30/0x40 [ 210.258856][ T6386] dump_stack_lvl+0xf8/0x160 [ 210.259589][ T6386] dump_stack+0x1c/0x5c [ 210.260223][ T6386] sysfs_create_dir_ns+0x22c/0x24c [ 210.261047][ T6386] kobject_add_internal+0x590/0xc54 [ 210.261861][ T6386] kobject_init_and_add+0x118/0x17c [ 210.262681][ T6386] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.263495][ T6386] gfs2_fill_super+0xdac/0x19e0 [ 210.264307][ T6386] get_tree_bdev+0x358/0x544 [ 210.265056][ T6386] gfs2_get_tree+0x54/0x1b4 [ 210.265749][ T6386] vfs_get_tree+0x90/0x274 [ 210.266458][ T6386] do_new_mount+0x228/0x810 [ 210.267129][ T6386] path_mount+0x5b4/0x1000 [ 210.267760][ T6386] __arm64_sys_mount+0x514/0x5e4 [ 210.268528][ T6386] invoke_syscall+0x98/0x2b8 [ 210.269244][ T6386] el0_svc_common+0x138/0x258 [ 210.269949][ T6386] do_el0_svc+0x58/0x14c [ 210.270592][ T6386] el0_svc+0x78/0x1e0 [ 210.271181][ T6386] el0t_64_sync_handler+0xcc/0xe4 [ 210.271857][ T6386] el0t_64_sync+0x1a0/0x1a4 [ 210.274425][ T6386] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 210.276256][ T6386] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 210.408823][ T6388] loop1: detected capacity change from 0 to 32768 [ 210.416034][ T6388] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 210.417316][ T6388] CPU: 0 PID: 6388 Comm: syz.1.561 Not tainted syzkaller #0 [ 210.418308][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.419979][ T6388] Call trace: [ 210.420461][ T6388] dump_backtrace+0x0/0x43c [ 210.421116][ T6388] show_stack+0x2c/0x3c [ 210.421693][ T6388] __dump_stack+0x30/0x40 [ 210.422307][ T6388] dump_stack_lvl+0xf8/0x160 [ 210.422951][ T6388] dump_stack+0x1c/0x5c [ 210.423546][ T6388] sysfs_create_dir_ns+0x22c/0x24c [ 210.424271][ T6388] kobject_add_internal+0x590/0xc54 [ 210.424987][ T6388] kobject_init_and_add+0x118/0x17c [ 210.425884][ T6388] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.426705][ T6388] gfs2_fill_super+0xdac/0x19e0 [ 210.427508][ T6388] get_tree_bdev+0x358/0x544 [ 210.428257][ T6388] gfs2_get_tree+0x54/0x1b4 [ 210.429015][ T6388] vfs_get_tree+0x90/0x274 [ 210.429678][ T6388] do_new_mount+0x228/0x810 [ 210.430355][ T6388] path_mount+0x5b4/0x1000 [ 210.431037][ T6388] __arm64_sys_mount+0x514/0x5e4 [ 210.431776][ T6388] invoke_syscall+0x98/0x2b8 [ 210.432468][ T6388] el0_svc_common+0x138/0x258 [ 210.433198][ T6388] do_el0_svc+0x58/0x14c [ 210.433880][ T6388] el0_svc+0x78/0x1e0 [ 210.434445][ T6388] el0t_64_sync_handler+0xcc/0xe4 [ 210.435130][ T6388] el0t_64_sync+0x1a0/0x1a4 [ 210.437111][ T6388] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 210.439188][ T6388] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 210.578498][ T6390] loop1: detected capacity change from 0 to 32768 [ 210.611464][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 210.612629][ T6390] CPU: 1 PID: 6390 Comm: syz.1.562 Not tainted syzkaller #0 [ 210.613690][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.615191][ T6390] Call trace: [ 210.615687][ T6390] dump_backtrace+0x0/0x43c [ 210.616336][ T6390] show_stack+0x2c/0x3c [ 210.616986][ T6390] __dump_stack+0x30/0x40 [ 210.617587][ T6390] dump_stack_lvl+0xf8/0x160 [ 210.618209][ T6390] dump_stack+0x1c/0x5c [ 210.618773][ T6390] sysfs_create_dir_ns+0x22c/0x24c [ 210.619482][ T6390] kobject_add_internal+0x590/0xc54 [ 210.620178][ T6390] kobject_init_and_add+0x118/0x17c [ 210.621013][ T6390] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.621745][ T6390] gfs2_fill_super+0xdac/0x19e0 [ 210.622479][ T6390] get_tree_bdev+0x358/0x544 [ 210.623118][ T6390] gfs2_get_tree+0x54/0x1b4 [ 210.623835][ T6390] vfs_get_tree+0x90/0x274 [ 210.624504][ T6390] do_new_mount+0x228/0x810 [ 210.625181][ T6390] path_mount+0x5b4/0x1000 [ 210.625872][ T6390] __arm64_sys_mount+0x514/0x5e4 [ 210.626586][ T6390] invoke_syscall+0x98/0x2b8 [ 210.627224][ T6390] el0_svc_common+0x138/0x258 [ 210.627984][ T6390] do_el0_svc+0x58/0x14c [ 210.628640][ T6390] el0_svc+0x78/0x1e0 [ 210.629249][ T6390] el0t_64_sync_handler+0xcc/0xe4 [ 210.630017][ T6390] el0t_64_sync+0x1a0/0x1a4 [ 210.630828][ T6390] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 210.632895][ T6390] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 210.807671][ T6392] loop1: detected capacity change from 0 to 32768 [ 210.851456][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 210.852567][ T6392] CPU: 1 PID: 6392 Comm: syz.1.563 Not tainted syzkaller #0 [ 210.853578][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 210.854936][ T6392] Call trace: [ 210.855426][ T6392] dump_backtrace+0x0/0x43c [ 210.856142][ T6392] show_stack+0x2c/0x3c [ 210.856755][ T6392] __dump_stack+0x30/0x40 [ 210.857327][ T6392] dump_stack_lvl+0xf8/0x160 [ 210.858012][ T6392] dump_stack+0x1c/0x5c [ 210.858575][ T6392] sysfs_create_dir_ns+0x22c/0x24c [ 210.859345][ T6392] kobject_add_internal+0x590/0xc54 [ 210.860108][ T6392] kobject_init_and_add+0x118/0x17c [ 210.860925][ T6392] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.861673][ T6392] gfs2_fill_super+0xdac/0x19e0 [ 210.862410][ T6392] get_tree_bdev+0x358/0x544 [ 210.863127][ T6392] gfs2_get_tree+0x54/0x1b4 [ 210.863833][ T6392] vfs_get_tree+0x90/0x274 [ 210.864502][ T6392] do_new_mount+0x228/0x810 [ 210.865154][ T6392] path_mount+0x5b4/0x1000 [ 210.865876][ T6392] __arm64_sys_mount+0x514/0x5e4 [ 210.866645][ T6392] invoke_syscall+0x98/0x2b8 [ 210.867279][ T6392] el0_svc_common+0x138/0x258 [ 210.868072][ T6392] do_el0_svc+0x58/0x14c [ 210.868699][ T6392] el0_svc+0x78/0x1e0 [ 210.869290][ T6392] el0t_64_sync_handler+0xcc/0xe4 [ 210.870079][ T6392] el0t_64_sync+0x1a0/0x1a4 [ 210.880147][ T6392] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 210.882980][ T6392] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 211.125894][ T6394] loop1: detected capacity change from 0 to 32768 [ 211.161431][ T6394] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 211.162722][ T6394] CPU: 0 PID: 6394 Comm: syz.1.564 Not tainted syzkaller #0 [ 211.163853][ T6394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.165341][ T6394] Call trace: [ 211.165816][ T6394] dump_backtrace+0x0/0x43c [ 211.166445][ T6394] show_stack+0x2c/0x3c [ 211.167006][ T6394] __dump_stack+0x30/0x40 [ 211.167585][ T6394] dump_stack_lvl+0xf8/0x160 [ 211.168224][ T6394] dump_stack+0x1c/0x5c [ 211.168809][ T6394] sysfs_create_dir_ns+0x22c/0x24c [ 211.169512][ T6394] kobject_add_internal+0x590/0xc54 [ 211.170266][ T6394] kobject_init_and_add+0x118/0x17c [ 211.171040][ T6394] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.171719][ T6394] gfs2_fill_super+0xdac/0x19e0 [ 211.172426][ T6394] get_tree_bdev+0x358/0x544 [ 211.173084][ T6394] gfs2_get_tree+0x54/0x1b4 [ 211.173769][ T6394] vfs_get_tree+0x90/0x274 [ 211.174500][ T6394] do_new_mount+0x228/0x810 [ 211.175230][ T6394] path_mount+0x5b4/0x1000 [ 211.175995][ T6394] __arm64_sys_mount+0x514/0x5e4 [ 211.176792][ T6394] invoke_syscall+0x98/0x2b8 [ 211.177536][ T6394] el0_svc_common+0x138/0x258 [ 211.178300][ T6394] do_el0_svc+0x58/0x14c [ 211.178972][ T6394] el0_svc+0x78/0x1e0 [ 211.179591][ T6394] el0t_64_sync_handler+0xcc/0xe4 [ 211.180330][ T6394] el0t_64_sync+0x1a0/0x1a4 [ 211.182656][ T6394] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 211.184559][ T6394] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:31 executed programs: 551 [ 211.368333][ T6396] loop1: detected capacity change from 0 to 32768 [ 211.375423][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 211.376608][ T6396] CPU: 0 PID: 6396 Comm: syz.1.565 Not tainted syzkaller #0 [ 211.377685][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.379079][ T6396] Call trace: [ 211.379538][ T6396] dump_backtrace+0x0/0x43c [ 211.380270][ T6396] show_stack+0x2c/0x3c [ 211.380949][ T6396] __dump_stack+0x30/0x40 [ 211.381686][ T6396] dump_stack_lvl+0xf8/0x160 [ 211.382426][ T6396] dump_stack+0x1c/0x5c [ 211.383109][ T6396] sysfs_create_dir_ns+0x22c/0x24c [ 211.383878][ T6396] kobject_add_internal+0x590/0xc54 [ 211.384739][ T6396] kobject_init_and_add+0x118/0x17c [ 211.385617][ T6396] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.386381][ T6396] gfs2_fill_super+0xdac/0x19e0 [ 211.387217][ T6396] get_tree_bdev+0x358/0x544 [ 211.387992][ T6396] gfs2_get_tree+0x54/0x1b4 [ 211.388713][ T6396] vfs_get_tree+0x90/0x274 [ 211.389419][ T6396] do_new_mount+0x228/0x810 [ 211.390119][ T6396] path_mount+0x5b4/0x1000 [ 211.390764][ T6396] __arm64_sys_mount+0x514/0x5e4 [ 211.391459][ T6396] invoke_syscall+0x98/0x2b8 [ 211.392187][ T6396] el0_svc_common+0x138/0x258 [ 211.392865][ T6396] do_el0_svc+0x58/0x14c [ 211.393458][ T6396] el0_svc+0x78/0x1e0 [ 211.394022][ T6396] el0t_64_sync_handler+0xcc/0xe4 [ 211.394745][ T6396] el0t_64_sync+0x1a0/0x1a4 [ 211.396957][ T6396] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 211.398815][ T6396] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 211.530477][ T6398] loop1: detected capacity change from 0 to 32768 [ 211.621166][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 211.622376][ T6398] CPU: 1 PID: 6398 Comm: syz.1.566 Not tainted syzkaller #0 [ 211.623392][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.624866][ T6398] Call trace: [ 211.625363][ T6398] dump_backtrace+0x0/0x43c [ 211.626099][ T6398] show_stack+0x2c/0x3c [ 211.626749][ T6398] __dump_stack+0x30/0x40 [ 211.627423][ T6398] dump_stack_lvl+0xf8/0x160 [ 211.628094][ T6398] dump_stack+0x1c/0x5c [ 211.628645][ T6398] sysfs_create_dir_ns+0x22c/0x24c [ 211.629324][ T6398] kobject_add_internal+0x590/0xc54 [ 211.630036][ T6398] kobject_init_and_add+0x118/0x17c [ 211.630761][ T6398] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.631412][ T6398] gfs2_fill_super+0xdac/0x19e0 [ 211.632097][ T6398] get_tree_bdev+0x358/0x544 [ 211.632732][ T6398] gfs2_get_tree+0x54/0x1b4 [ 211.633338][ T6398] vfs_get_tree+0x90/0x274 [ 211.633946][ T6398] do_new_mount+0x228/0x810 [ 211.634578][ T6398] path_mount+0x5b4/0x1000 [ 211.635258][ T6398] __arm64_sys_mount+0x514/0x5e4 [ 211.635938][ T6398] invoke_syscall+0x98/0x2b8 [ 211.636627][ T6398] el0_svc_common+0x138/0x258 [ 211.637369][ T6398] do_el0_svc+0x58/0x14c [ 211.638030][ T6398] el0_svc+0x78/0x1e0 [ 211.638604][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 211.639362][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 211.650392][ T6398] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 211.653334][ T6398] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 211.837525][ T6400] loop1: detected capacity change from 0 to 32768 [ 211.861493][ T6400] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 211.862764][ T6400] CPU: 0 PID: 6400 Comm: syz.1.567 Not tainted syzkaller #0 [ 211.863774][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 211.865256][ T6400] Call trace: [ 211.865703][ T6400] dump_backtrace+0x0/0x43c [ 211.866384][ T6400] show_stack+0x2c/0x3c [ 211.867059][ T6400] __dump_stack+0x30/0x40 [ 211.867775][ T6400] dump_stack_lvl+0xf8/0x160 [ 211.868470][ T6400] dump_stack+0x1c/0x5c [ 211.869162][ T6400] sysfs_create_dir_ns+0x22c/0x24c [ 211.870013][ T6400] kobject_add_internal+0x590/0xc54 [ 211.870873][ T6400] kobject_init_and_add+0x118/0x17c [ 211.871712][ T6400] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.872520][ T6400] gfs2_fill_super+0xdac/0x19e0 [ 211.873284][ T6400] get_tree_bdev+0x358/0x544 [ 211.873982][ T6400] gfs2_get_tree+0x54/0x1b4 [ 211.874635][ T6400] vfs_get_tree+0x90/0x274 [ 211.875305][ T6400] do_new_mount+0x228/0x810 [ 211.876001][ T6400] path_mount+0x5b4/0x1000 [ 211.876696][ T6400] __arm64_sys_mount+0x514/0x5e4 [ 211.877439][ T6400] invoke_syscall+0x98/0x2b8 [ 211.878198][ T6400] el0_svc_common+0x138/0x258 [ 211.878860][ T6400] do_el0_svc+0x58/0x14c [ 211.879529][ T6400] el0_svc+0x78/0x1e0 [ 211.880135][ T6400] el0t_64_sync_handler+0xcc/0xe4 [ 211.880920][ T6400] el0t_64_sync+0x1a0/0x1a4 [ 211.882380][ T6400] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 211.884514][ T6400] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 212.022258][ T6402] loop1: detected capacity change from 0 to 32768 [ 212.029265][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 212.030510][ T6402] CPU: 0 PID: 6402 Comm: syz.1.568 Not tainted syzkaller #0 [ 212.031672][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.033190][ T6402] Call trace: [ 212.033713][ T6402] dump_backtrace+0x0/0x43c [ 212.034335][ T6402] show_stack+0x2c/0x3c [ 212.034915][ T6402] __dump_stack+0x30/0x40 [ 212.035606][ T6402] dump_stack_lvl+0xf8/0x160 [ 212.036279][ T6402] dump_stack+0x1c/0x5c [ 212.036885][ T6402] sysfs_create_dir_ns+0x22c/0x24c [ 212.037638][ T6402] kobject_add_internal+0x590/0xc54 [ 212.038390][ T6402] kobject_init_and_add+0x118/0x17c [ 212.039214][ T6402] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.039917][ T6402] gfs2_fill_super+0xdac/0x19e0 [ 212.040627][ T6402] get_tree_bdev+0x358/0x544 [ 212.041328][ T6402] gfs2_get_tree+0x54/0x1b4 [ 212.042011][ T6402] vfs_get_tree+0x90/0x274 [ 212.042738][ T6402] do_new_mount+0x228/0x810 [ 212.043467][ T6402] path_mount+0x5b4/0x1000 [ 212.044162][ T6402] __arm64_sys_mount+0x514/0x5e4 [ 212.044900][ T6402] invoke_syscall+0x98/0x2b8 [ 212.045618][ T6402] el0_svc_common+0x138/0x258 [ 212.046266][ T6402] do_el0_svc+0x58/0x14c [ 212.046868][ T6402] el0_svc+0x78/0x1e0 [ 212.047382][ T6402] el0t_64_sync_handler+0xcc/0xe4 [ 212.048170][ T6402] el0t_64_sync+0x1a0/0x1a4 [ 212.049665][ T6402] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 212.051790][ T6402] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 212.182889][ T6404] loop1: detected capacity change from 0 to 32768 [ 212.241869][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 212.243055][ T6404] CPU: 1 PID: 6404 Comm: syz.1.569 Not tainted syzkaller #0 [ 212.244027][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.245386][ T6404] Call trace: [ 212.245844][ T6404] dump_backtrace+0x0/0x43c [ 212.246497][ T6404] show_stack+0x2c/0x3c [ 212.247022][ T6404] __dump_stack+0x30/0x40 [ 212.247675][ T6404] dump_stack_lvl+0xf8/0x160 [ 212.248293][ T6404] dump_stack+0x1c/0x5c [ 212.248888][ T6404] sysfs_create_dir_ns+0x22c/0x24c [ 212.249593][ T6404] kobject_add_internal+0x590/0xc54 [ 212.250359][ T6404] kobject_init_and_add+0x118/0x17c [ 212.251220][ T6404] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.252012][ T6404] gfs2_fill_super+0xdac/0x19e0 [ 212.252779][ T6404] get_tree_bdev+0x358/0x544 [ 212.253504][ T6404] gfs2_get_tree+0x54/0x1b4 [ 212.254253][ T6404] vfs_get_tree+0x90/0x274 [ 212.254950][ T6404] do_new_mount+0x228/0x810 [ 212.255635][ T6404] path_mount+0x5b4/0x1000 [ 212.256272][ T6404] __arm64_sys_mount+0x514/0x5e4 [ 212.256971][ T6404] invoke_syscall+0x98/0x2b8 [ 212.257612][ T6404] el0_svc_common+0x138/0x258 [ 212.258271][ T6404] do_el0_svc+0x58/0x14c [ 212.258908][ T6404] el0_svc+0x78/0x1e0 [ 212.259494][ T6404] el0t_64_sync_handler+0xcc/0xe4 [ 212.260219][ T6404] el0t_64_sync+0x1a0/0x1a4 [ 212.261086][ T6404] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 212.263296][ T6404] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 212.400516][ T6406] loop1: detected capacity change from 0 to 32768 [ 212.451420][ T6406] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 212.456556][ T6406] CPU: 1 PID: 6406 Comm: syz.1.570 Not tainted syzkaller #0 [ 212.457662][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.459165][ T6406] Call trace: [ 212.459645][ T6406] dump_backtrace+0x0/0x43c [ 212.460401][ T6406] show_stack+0x2c/0x3c [ 212.461085][ T6406] __dump_stack+0x30/0x40 [ 212.461752][ T6406] dump_stack_lvl+0xf8/0x160 [ 212.462434][ T6406] dump_stack+0x1c/0x5c [ 212.463055][ T6406] sysfs_create_dir_ns+0x22c/0x24c [ 212.463809][ T6406] kobject_add_internal+0x590/0xc54 [ 212.464576][ T6406] kobject_init_and_add+0x118/0x17c [ 212.465369][ T6406] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.466132][ T6406] gfs2_fill_super+0xdac/0x19e0 [ 212.466916][ T6406] get_tree_bdev+0x358/0x544 [ 212.467624][ T6406] gfs2_get_tree+0x54/0x1b4 [ 212.468293][ T6406] vfs_get_tree+0x90/0x274 [ 212.468956][ T6406] do_new_mount+0x228/0x810 [ 212.469649][ T6406] path_mount+0x5b4/0x1000 [ 212.470346][ T6406] __arm64_sys_mount+0x514/0x5e4 [ 212.471071][ T6406] invoke_syscall+0x98/0x2b8 [ 212.471734][ T6406] el0_svc_common+0x138/0x258 [ 212.472405][ T6406] do_el0_svc+0x58/0x14c [ 212.473044][ T6406] el0_svc+0x78/0x1e0 [ 212.473682][ T6406] el0t_64_sync_handler+0xcc/0xe4 [ 212.474451][ T6406] el0t_64_sync+0x1a0/0x1a4 [ 212.475371][ T6406] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 212.477530][ T6406] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 212.648837][ T6408] loop1: detected capacity change from 0 to 32768 [ 212.691455][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 212.692739][ T6408] CPU: 1 PID: 6408 Comm: syz.1.571 Not tainted syzkaller #0 [ 212.693821][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.695488][ T6408] Call trace: [ 212.695969][ T6408] dump_backtrace+0x0/0x43c [ 212.696629][ T6408] show_stack+0x2c/0x3c [ 212.697237][ T6408] __dump_stack+0x30/0x40 [ 212.697970][ T6408] dump_stack_lvl+0xf8/0x160 [ 212.698665][ T6408] dump_stack+0x1c/0x5c [ 212.699339][ T6408] sysfs_create_dir_ns+0x22c/0x24c [ 212.700155][ T6408] kobject_add_internal+0x590/0xc54 [ 212.700992][ T6408] kobject_init_and_add+0x118/0x17c [ 212.701864][ T6408] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.702587][ T6408] gfs2_fill_super+0xdac/0x19e0 [ 212.703361][ T6408] get_tree_bdev+0x358/0x544 [ 212.704006][ T6408] gfs2_get_tree+0x54/0x1b4 [ 212.704625][ T6408] vfs_get_tree+0x90/0x274 [ 212.705241][ T6408] do_new_mount+0x228/0x810 [ 212.705918][ T6408] path_mount+0x5b4/0x1000 [ 212.706623][ T6408] __arm64_sys_mount+0x514/0x5e4 [ 212.707422][ T6408] invoke_syscall+0x98/0x2b8 [ 212.708120][ T6408] el0_svc_common+0x138/0x258 [ 212.708785][ T6408] do_el0_svc+0x58/0x14c [ 212.709483][ T6408] el0_svc+0x78/0x1e0 [ 212.710178][ T6408] el0t_64_sync_handler+0xcc/0xe4 [ 212.710992][ T6408] el0t_64_sync+0x1a0/0x1a4 [ 212.712041][ T6408] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 212.714061][ T6408] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 212.843962][ T6410] loop1: detected capacity change from 0 to 32768 [ 212.915711][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 212.917379][ T6410] CPU: 0 PID: 6410 Comm: syz.1.572 Not tainted syzkaller #0 [ 212.918380][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 212.919949][ T6410] Call trace: [ 212.920460][ T6410] dump_backtrace+0x0/0x43c [ 212.921126][ T6410] show_stack+0x2c/0x3c [ 212.921796][ T6410] __dump_stack+0x30/0x40 [ 212.922455][ T6410] dump_stack_lvl+0xf8/0x160 [ 212.923202][ T6410] dump_stack+0x1c/0x5c [ 212.923815][ T6410] sysfs_create_dir_ns+0x22c/0x24c [ 212.924635][ T6410] kobject_add_internal+0x590/0xc54 [ 212.925405][ T6410] kobject_init_and_add+0x118/0x17c [ 212.926207][ T6410] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.926913][ T6410] gfs2_fill_super+0xdac/0x19e0 [ 212.927624][ T6410] get_tree_bdev+0x358/0x544 [ 212.928245][ T6410] gfs2_get_tree+0x54/0x1b4 [ 212.928907][ T6410] vfs_get_tree+0x90/0x274 [ 212.929585][ T6410] do_new_mount+0x228/0x810 [ 212.930258][ T6410] path_mount+0x5b4/0x1000 [ 212.930926][ T6410] __arm64_sys_mount+0x514/0x5e4 [ 212.931657][ T6410] invoke_syscall+0x98/0x2b8 [ 212.932372][ T6410] el0_svc_common+0x138/0x258 [ 212.933168][ T6410] do_el0_svc+0x58/0x14c [ 212.933841][ T6410] el0_svc+0x78/0x1e0 [ 212.934386][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 212.935167][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 212.937941][ T6410] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 212.940168][ T6410] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 213.079336][ T6412] loop1: detected capacity change from 0 to 32768 [ 213.116870][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 213.117974][ T6412] CPU: 0 PID: 6412 Comm: syz.1.573 Not tainted syzkaller #0 [ 213.118993][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.120454][ T6412] Call trace: [ 213.120917][ T6412] dump_backtrace+0x0/0x43c [ 213.121557][ T6412] show_stack+0x2c/0x3c [ 213.122146][ T6412] __dump_stack+0x30/0x40 [ 213.122809][ T6412] dump_stack_lvl+0xf8/0x160 [ 213.123461][ T6412] dump_stack+0x1c/0x5c [ 213.124091][ T6412] sysfs_create_dir_ns+0x22c/0x24c [ 213.124970][ T6412] kobject_add_internal+0x590/0xc54 [ 213.125870][ T6412] kobject_init_and_add+0x118/0x17c [ 213.126756][ T6412] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.127521][ T6412] gfs2_fill_super+0xdac/0x19e0 [ 213.128338][ T6412] get_tree_bdev+0x358/0x544 [ 213.129064][ T6412] gfs2_get_tree+0x54/0x1b4 [ 213.129735][ T6412] vfs_get_tree+0x90/0x274 [ 213.130437][ T6412] do_new_mount+0x228/0x810 [ 213.131165][ T6412] path_mount+0x5b4/0x1000 [ 213.131854][ T6412] __arm64_sys_mount+0x514/0x5e4 [ 213.132725][ T6412] invoke_syscall+0x98/0x2b8 [ 213.133464][ T6412] el0_svc_common+0x138/0x258 [ 213.134191][ T6412] do_el0_svc+0x58/0x14c [ 213.134835][ T6412] el0_svc+0x78/0x1e0 [ 213.135410][ T6412] el0t_64_sync_handler+0xcc/0xe4 [ 213.136247][ T6412] el0t_64_sync+0x1a0/0x1a4 [ 213.137745][ T6412] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 213.139875][ T6412] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 213.278521][ T6414] loop1: detected capacity change from 0 to 32768 [ 213.329460][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 213.330796][ T6414] CPU: 1 PID: 6414 Comm: syz.1.574 Not tainted syzkaller #0 [ 213.331926][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.333424][ T6414] Call trace: [ 213.333951][ T6414] dump_backtrace+0x0/0x43c [ 213.334678][ T6414] show_stack+0x2c/0x3c [ 213.335329][ T6414] __dump_stack+0x30/0x40 [ 213.335998][ T6414] dump_stack_lvl+0xf8/0x160 [ 213.336700][ T6414] dump_stack+0x1c/0x5c [ 213.337374][ T6414] sysfs_create_dir_ns+0x22c/0x24c [ 213.338158][ T6414] kobject_add_internal+0x590/0xc54 [ 213.338929][ T6414] kobject_init_and_add+0x118/0x17c [ 213.339691][ T6414] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.340386][ T6414] gfs2_fill_super+0xdac/0x19e0 [ 213.341104][ T6414] get_tree_bdev+0x358/0x544 [ 213.341876][ T6414] gfs2_get_tree+0x54/0x1b4 [ 213.342554][ T6414] vfs_get_tree+0x90/0x274 [ 213.343221][ T6414] do_new_mount+0x228/0x810 [ 213.343997][ T6414] path_mount+0x5b4/0x1000 [ 213.344732][ T6414] __arm64_sys_mount+0x514/0x5e4 [ 213.345531][ T6414] invoke_syscall+0x98/0x2b8 [ 213.346271][ T6414] el0_svc_common+0x138/0x258 [ 213.347002][ T6414] do_el0_svc+0x58/0x14c [ 213.347657][ T6414] el0_svc+0x78/0x1e0 [ 213.348271][ T6414] el0t_64_sync_handler+0xcc/0xe4 [ 213.349000][ T6414] el0t_64_sync+0x1a0/0x1a4 [ 213.351107][ T6414] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 213.352948][ T6414] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 213.487570][ T6416] loop1: detected capacity change from 0 to 32768 [ 213.494551][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 213.495802][ T6416] CPU: 0 PID: 6416 Comm: syz.1.575 Not tainted syzkaller #0 [ 213.496836][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.498244][ T6416] Call trace: [ 213.498696][ T6416] dump_backtrace+0x0/0x43c [ 213.499329][ T6416] show_stack+0x2c/0x3c [ 213.499974][ T6416] __dump_stack+0x30/0x40 [ 213.500642][ T6416] dump_stack_lvl+0xf8/0x160 [ 213.501319][ T6416] dump_stack+0x1c/0x5c [ 213.501964][ T6416] sysfs_create_dir_ns+0x22c/0x24c [ 213.502764][ T6416] kobject_add_internal+0x590/0xc54 [ 213.503548][ T6416] kobject_init_and_add+0x118/0x17c [ 213.504351][ T6416] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.505127][ T6416] gfs2_fill_super+0xdac/0x19e0 [ 213.505860][ T6416] get_tree_bdev+0x358/0x544 [ 213.506606][ T6416] gfs2_get_tree+0x54/0x1b4 [ 213.507353][ T6416] vfs_get_tree+0x90/0x274 [ 213.508043][ T6416] do_new_mount+0x228/0x810 [ 213.508735][ T6416] path_mount+0x5b4/0x1000 [ 213.509416][ T6416] __arm64_sys_mount+0x514/0x5e4 [ 213.510160][ T6416] invoke_syscall+0x98/0x2b8 [ 213.510895][ T6416] el0_svc_common+0x138/0x258 [ 213.511643][ T6416] do_el0_svc+0x58/0x14c [ 213.512312][ T6416] el0_svc+0x78/0x1e0 [ 213.512928][ T6416] el0t_64_sync_handler+0xcc/0xe4 [ 213.513701][ T6416] el0t_64_sync+0x1a0/0x1a4 [ 213.514563][ T6416] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 213.516554][ T6416] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 213.648215][ T6418] loop1: detected capacity change from 0 to 32768 [ 213.725647][ T6418] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 213.726902][ T6418] CPU: 0 PID: 6418 Comm: syz.1.576 Not tainted syzkaller #0 [ 213.728019][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.729667][ T6418] Call trace: [ 213.730225][ T6418] dump_backtrace+0x0/0x43c [ 213.730945][ T6418] show_stack+0x2c/0x3c [ 213.731602][ T6418] __dump_stack+0x30/0x40 [ 213.732283][ T6418] dump_stack_lvl+0xf8/0x160 [ 213.733049][ T6418] dump_stack+0x1c/0x5c [ 213.733664][ T6418] sysfs_create_dir_ns+0x22c/0x24c [ 213.734412][ T6418] kobject_add_internal+0x590/0xc54 [ 213.735149][ T6418] kobject_init_and_add+0x118/0x17c [ 213.736030][ T6418] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.736776][ T6418] gfs2_fill_super+0xdac/0x19e0 [ 213.737504][ T6418] get_tree_bdev+0x358/0x544 [ 213.738206][ T6418] gfs2_get_tree+0x54/0x1b4 [ 213.738895][ T6418] vfs_get_tree+0x90/0x274 [ 213.739532][ T6418] do_new_mount+0x228/0x810 [ 213.740157][ T6418] path_mount+0x5b4/0x1000 [ 213.740831][ T6418] __arm64_sys_mount+0x514/0x5e4 [ 213.741567][ T6418] invoke_syscall+0x98/0x2b8 [ 213.742265][ T6418] el0_svc_common+0x138/0x258 [ 213.742950][ T6418] do_el0_svc+0x58/0x14c [ 213.743560][ T6418] el0_svc+0x78/0x1e0 [ 213.744109][ T6418] el0t_64_sync_handler+0xcc/0xe4 [ 213.744816][ T6418] el0t_64_sync+0x1a0/0x1a4 [ 213.747166][ T6418] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 213.749147][ T6418] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 213.888444][ T6420] loop1: detected capacity change from 0 to 32768 [ 213.895020][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 213.896297][ T6420] CPU: 1 PID: 6420 Comm: syz.1.577 Not tainted syzkaller #0 [ 213.897291][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 213.898816][ T6420] Call trace: [ 213.899307][ T6420] dump_backtrace+0x0/0x43c [ 213.899975][ T6420] show_stack+0x2c/0x3c [ 213.900581][ T6420] __dump_stack+0x30/0x40 [ 213.901190][ T6420] dump_stack_lvl+0xf8/0x160 [ 213.901826][ T6420] dump_stack+0x1c/0x5c [ 213.902457][ T6420] sysfs_create_dir_ns+0x22c/0x24c [ 213.903333][ T6420] kobject_add_internal+0x590/0xc54 [ 213.904233][ T6420] kobject_init_and_add+0x118/0x17c [ 213.905118][ T6420] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.905932][ T6420] gfs2_fill_super+0xdac/0x19e0 [ 213.906730][ T6420] get_tree_bdev+0x358/0x544 [ 213.907460][ T6420] gfs2_get_tree+0x54/0x1b4 [ 213.908167][ T6420] vfs_get_tree+0x90/0x274 [ 213.908873][ T6420] do_new_mount+0x228/0x810 [ 213.909567][ T6420] path_mount+0x5b4/0x1000 [ 213.910254][ T6420] __arm64_sys_mount+0x514/0x5e4 [ 213.911027][ T6420] invoke_syscall+0x98/0x2b8 [ 213.911692][ T6420] el0_svc_common+0x138/0x258 [ 213.912494][ T6420] do_el0_svc+0x58/0x14c [ 213.913218][ T6420] el0_svc+0x78/0x1e0 [ 213.913894][ T6420] el0t_64_sync_handler+0xcc/0xe4 [ 213.914720][ T6420] el0t_64_sync+0x1a0/0x1a4 [ 213.915559][ T6420] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 213.917445][ T6420] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 214.051397][ T6422] loop1: detected capacity change from 0 to 32768 [ 214.058459][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 214.059690][ T6422] CPU: 0 PID: 6422 Comm: syz.1.578 Not tainted syzkaller #0 [ 214.060867][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.062360][ T6422] Call trace: [ 214.062848][ T6422] dump_backtrace+0x0/0x43c [ 214.063494][ T6422] show_stack+0x2c/0x3c [ 214.064074][ T6422] __dump_stack+0x30/0x40 [ 214.064750][ T6422] dump_stack_lvl+0xf8/0x160 [ 214.065452][ T6422] dump_stack+0x1c/0x5c [ 214.066082][ T6422] sysfs_create_dir_ns+0x22c/0x24c [ 214.066789][ T6422] kobject_add_internal+0x590/0xc54 [ 214.067578][ T6422] kobject_init_and_add+0x118/0x17c [ 214.068360][ T6422] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.069024][ T6422] gfs2_fill_super+0xdac/0x19e0 [ 214.069664][ T6422] get_tree_bdev+0x358/0x544 [ 214.070405][ T6422] gfs2_get_tree+0x54/0x1b4 [ 214.071113][ T6422] vfs_get_tree+0x90/0x274 [ 214.071872][ T6422] do_new_mount+0x228/0x810 [ 214.072648][ T6422] path_mount+0x5b4/0x1000 [ 214.073406][ T6422] __arm64_sys_mount+0x514/0x5e4 [ 214.074201][ T6422] invoke_syscall+0x98/0x2b8 [ 214.074946][ T6422] el0_svc_common+0x138/0x258 [ 214.075664][ T6422] do_el0_svc+0x58/0x14c [ 214.076324][ T6422] el0_svc+0x78/0x1e0 [ 214.076938][ T6422] el0t_64_sync_handler+0xcc/0xe4 [ 214.077699][ T6422] el0t_64_sync+0x1a0/0x1a4 [ 214.079962][ T6422] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 214.082043][ T6422] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 214.221008][ T6424] loop1: detected capacity change from 0 to 32768 [ 214.227548][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 214.228781][ T6424] CPU: 1 PID: 6424 Comm: syz.1.579 Not tainted syzkaller #0 [ 214.229794][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.231191][ T6424] Call trace: [ 214.231636][ T6424] dump_backtrace+0x0/0x43c [ 214.232277][ T6424] show_stack+0x2c/0x3c [ 214.232877][ T6424] __dump_stack+0x30/0x40 [ 214.233519][ T6424] dump_stack_lvl+0xf8/0x160 [ 214.234240][ T6424] dump_stack+0x1c/0x5c [ 214.234853][ T6424] sysfs_create_dir_ns+0x22c/0x24c [ 214.235603][ T6424] kobject_add_internal+0x590/0xc54 [ 214.236360][ T6424] kobject_init_and_add+0x118/0x17c [ 214.237166][ T6424] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.237825][ T6424] gfs2_fill_super+0xdac/0x19e0 [ 214.238606][ T6424] get_tree_bdev+0x358/0x544 [ 214.239385][ T6424] gfs2_get_tree+0x54/0x1b4 [ 214.240093][ T6424] vfs_get_tree+0x90/0x274 [ 214.240810][ T6424] do_new_mount+0x228/0x810 [ 214.241469][ T6424] path_mount+0x5b4/0x1000 [ 214.242091][ T6424] __arm64_sys_mount+0x514/0x5e4 [ 214.242786][ T6424] invoke_syscall+0x98/0x2b8 [ 214.243434][ T6424] el0_svc_common+0x138/0x258 [ 214.244130][ T6424] do_el0_svc+0x58/0x14c [ 214.244784][ T6424] el0_svc+0x78/0x1e0 [ 214.245321][ T6424] el0t_64_sync_handler+0xcc/0xe4 [ 214.246083][ T6424] el0t_64_sync+0x1a0/0x1a4 [ 214.247096][ T6424] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 214.249394][ T6424] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 214.501464][ T6426] loop1: detected capacity change from 0 to 32768 [ 214.566662][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 214.567905][ T6426] CPU: 0 PID: 6426 Comm: syz.1.580 Not tainted syzkaller #0 [ 214.569016][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.570562][ T6426] Call trace: [ 214.571042][ T6426] dump_backtrace+0x0/0x43c [ 214.571701][ T6426] show_stack+0x2c/0x3c [ 214.572276][ T6426] __dump_stack+0x30/0x40 [ 214.572953][ T6426] dump_stack_lvl+0xf8/0x160 [ 214.573650][ T6426] dump_stack+0x1c/0x5c [ 214.574288][ T6426] sysfs_create_dir_ns+0x22c/0x24c [ 214.575118][ T6426] kobject_add_internal+0x590/0xc54 [ 214.575972][ T6426] kobject_init_and_add+0x118/0x17c [ 214.576796][ T6426] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.577556][ T6426] gfs2_fill_super+0xdac/0x19e0 [ 214.578374][ T6426] get_tree_bdev+0x358/0x544 [ 214.579127][ T6426] gfs2_get_tree+0x54/0x1b4 [ 214.579826][ T6426] vfs_get_tree+0x90/0x274 [ 214.580452][ T6426] do_new_mount+0x228/0x810 [ 214.581068][ T6426] path_mount+0x5b4/0x1000 [ 214.581679][ T6426] __arm64_sys_mount+0x514/0x5e4 [ 214.582349][ T6426] invoke_syscall+0x98/0x2b8 [ 214.582966][ T6426] el0_svc_common+0x138/0x258 [ 214.583606][ T6426] do_el0_svc+0x58/0x14c [ 214.584160][ T6426] el0_svc+0x78/0x1e0 [ 214.584684][ T6426] el0t_64_sync_handler+0xcc/0xe4 [ 214.585370][ T6426] el0t_64_sync+0x1a0/0x1a4 [ 214.587585][ T6426] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 214.589666][ T6426] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 214.721332][ T6428] loop1: detected capacity change from 0 to 32768 [ 214.772074][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 214.773437][ T6428] CPU: 1 PID: 6428 Comm: syz.1.581 Not tainted syzkaller #0 [ 214.774576][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.776142][ T6428] Call trace: [ 214.776641][ T6428] dump_backtrace+0x0/0x43c [ 214.777299][ T6428] show_stack+0x2c/0x3c [ 214.777884][ T6428] __dump_stack+0x30/0x40 [ 214.778503][ T6428] dump_stack_lvl+0xf8/0x160 [ 214.779205][ T6428] dump_stack+0x1c/0x5c [ 214.779834][ T6428] sysfs_create_dir_ns+0x22c/0x24c [ 214.780587][ T6428] kobject_add_internal+0x590/0xc54 [ 214.781349][ T6428] kobject_init_and_add+0x118/0x17c [ 214.782095][ T6428] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.782789][ T6428] gfs2_fill_super+0xdac/0x19e0 [ 214.783556][ T6428] get_tree_bdev+0x358/0x544 [ 214.784283][ T6428] gfs2_get_tree+0x54/0x1b4 [ 214.784938][ T6428] vfs_get_tree+0x90/0x274 [ 214.785539][ T6428] do_new_mount+0x228/0x810 [ 214.786165][ T6428] path_mount+0x5b4/0x1000 [ 214.786857][ T6428] __arm64_sys_mount+0x514/0x5e4 [ 214.787618][ T6428] invoke_syscall+0x98/0x2b8 [ 214.788303][ T6428] el0_svc_common+0x138/0x258 [ 214.789046][ T6428] do_el0_svc+0x58/0x14c [ 214.789685][ T6428] el0_svc+0x78/0x1e0 [ 214.790284][ T6428] el0t_64_sync_handler+0xcc/0xe4 [ 214.791043][ T6428] el0t_64_sync+0x1a0/0x1a4 [ 214.792479][ T6428] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 214.794514][ T6428] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 214.930623][ T6430] loop1: detected capacity change from 0 to 32768 [ 214.937961][ T6430] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 214.939149][ T6430] CPU: 0 PID: 6430 Comm: syz.1.582 Not tainted syzkaller #0 [ 214.940313][ T6430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 214.941879][ T6430] Call trace: [ 214.942362][ T6430] dump_backtrace+0x0/0x43c [ 214.943029][ T6430] show_stack+0x2c/0x3c [ 214.943698][ T6430] __dump_stack+0x30/0x40 [ 214.944345][ T6430] dump_stack_lvl+0xf8/0x160 [ 214.945036][ T6430] dump_stack+0x1c/0x5c [ 214.945753][ T6430] sysfs_create_dir_ns+0x22c/0x24c [ 214.946617][ T6430] kobject_add_internal+0x590/0xc54 [ 214.947466][ T6430] kobject_init_and_add+0x118/0x17c [ 214.948261][ T6430] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.948994][ T6430] gfs2_fill_super+0xdac/0x19e0 [ 214.949679][ T6430] get_tree_bdev+0x358/0x544 [ 214.950330][ T6430] gfs2_get_tree+0x54/0x1b4 [ 214.951030][ T6430] vfs_get_tree+0x90/0x274 [ 214.951714][ T6430] do_new_mount+0x228/0x810 [ 214.952390][ T6430] path_mount+0x5b4/0x1000 [ 214.953045][ T6430] __arm64_sys_mount+0x514/0x5e4 [ 214.953767][ T6430] invoke_syscall+0x98/0x2b8 [ 214.954549][ T6430] el0_svc_common+0x138/0x258 [ 214.955307][ T6430] do_el0_svc+0x58/0x14c [ 214.956038][ T6430] el0_svc+0x78/0x1e0 [ 214.956687][ T6430] el0t_64_sync_handler+0xcc/0xe4 [ 214.957501][ T6430] el0t_64_sync+0x1a0/0x1a4 [ 214.958424][ T6430] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 214.961141][ T6430] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 215.140744][ T6432] loop1: detected capacity change from 0 to 32768 [ 215.146801][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 215.147987][ T6432] CPU: 1 PID: 6432 Comm: syz.1.583 Not tainted syzkaller #0 [ 215.149054][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.150559][ T6432] Call trace: [ 215.151099][ T6432] dump_backtrace+0x0/0x43c [ 215.151868][ T6432] show_stack+0x2c/0x3c [ 215.152579][ T6432] __dump_stack+0x30/0x40 [ 215.153327][ T6432] dump_stack_lvl+0xf8/0x160 [ 215.154107][ T6432] dump_stack+0x1c/0x5c [ 215.154782][ T6432] sysfs_create_dir_ns+0x22c/0x24c [ 215.155617][ T6432] kobject_add_internal+0x590/0xc54 [ 215.156477][ T6432] kobject_init_and_add+0x118/0x17c [ 215.157356][ T6432] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.158154][ T6432] gfs2_fill_super+0xdac/0x19e0 [ 215.158929][ T6432] get_tree_bdev+0x358/0x544 [ 215.159596][ T6432] gfs2_get_tree+0x54/0x1b4 [ 215.160226][ T6432] vfs_get_tree+0x90/0x274 [ 215.160822][ T6432] do_new_mount+0x228/0x810 [ 215.161434][ T6432] path_mount+0x5b4/0x1000 [ 215.162060][ T6432] __arm64_sys_mount+0x514/0x5e4 [ 215.162742][ T6432] invoke_syscall+0x98/0x2b8 [ 215.163407][ T6432] el0_svc_common+0x138/0x258 [ 215.164176][ T6432] do_el0_svc+0x58/0x14c [ 215.164913][ T6432] el0_svc+0x78/0x1e0 [ 215.165580][ T6432] el0t_64_sync_handler+0xcc/0xe4 [ 215.166414][ T6432] el0t_64_sync+0x1a0/0x1a4 [ 215.169146][ T6432] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 215.171178][ T6432] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 215.306486][ T6434] loop1: detected capacity change from 0 to 32768 [ 215.313172][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 215.314309][ T6434] CPU: 0 PID: 6434 Comm: syz.1.584 Not tainted syzkaller #0 [ 215.315337][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.316763][ T6434] Call trace: [ 215.317242][ T6434] dump_backtrace+0x0/0x43c [ 215.317874][ T6434] show_stack+0x2c/0x3c [ 215.318537][ T6434] __dump_stack+0x30/0x40 [ 215.319213][ T6434] dump_stack_lvl+0xf8/0x160 [ 215.319858][ T6434] dump_stack+0x1c/0x5c [ 215.320565][ T6434] sysfs_create_dir_ns+0x22c/0x24c [ 215.321424][ T6434] kobject_add_internal+0x590/0xc54 [ 215.322282][ T6434] kobject_init_and_add+0x118/0x17c [ 215.323141][ T6434] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.323933][ T6434] gfs2_fill_super+0xdac/0x19e0 [ 215.324700][ T6434] get_tree_bdev+0x358/0x544 [ 215.325354][ T6434] gfs2_get_tree+0x54/0x1b4 [ 215.326002][ T6434] vfs_get_tree+0x90/0x274 [ 215.326718][ T6434] do_new_mount+0x228/0x810 [ 215.327393][ T6434] path_mount+0x5b4/0x1000 [ 215.328017][ T6434] __arm64_sys_mount+0x514/0x5e4 [ 215.328701][ T6434] invoke_syscall+0x98/0x2b8 [ 215.329418][ T6434] el0_svc_common+0x138/0x258 [ 215.330134][ T6434] do_el0_svc+0x58/0x14c [ 215.330773][ T6434] el0_svc+0x78/0x1e0 [ 215.331428][ T6434] el0t_64_sync_handler+0xcc/0xe4 [ 215.332169][ T6434] el0t_64_sync+0x1a0/0x1a4 [ 215.333023][ T6434] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 215.335148][ T6434] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 215.469232][ T6436] loop1: detected capacity change from 0 to 32768 [ 215.477208][ T6436] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 215.478293][ T6436] CPU: 1 PID: 6436 Comm: syz.1.585 Not tainted syzkaller #0 [ 215.479275][ T6436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.480667][ T6436] Call trace: [ 215.481218][ T6436] dump_backtrace+0x0/0x43c [ 215.481995][ T6436] show_stack+0x2c/0x3c [ 215.482718][ T6436] __dump_stack+0x30/0x40 [ 215.483451][ T6436] dump_stack_lvl+0xf8/0x160 [ 215.484181][ T6436] dump_stack+0x1c/0x5c [ 215.484828][ T6436] sysfs_create_dir_ns+0x22c/0x24c [ 215.485557][ T6436] kobject_add_internal+0x590/0xc54 [ 215.486289][ T6436] kobject_init_and_add+0x118/0x17c [ 215.487017][ T6436] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.487791][ T6436] gfs2_fill_super+0xdac/0x19e0 [ 215.488514][ T6436] get_tree_bdev+0x358/0x544 [ 215.489194][ T6436] gfs2_get_tree+0x54/0x1b4 [ 215.489893][ T6436] vfs_get_tree+0x90/0x274 [ 215.490597][ T6436] do_new_mount+0x228/0x810 [ 215.491301][ T6436] path_mount+0x5b4/0x1000 [ 215.491988][ T6436] __arm64_sys_mount+0x514/0x5e4 [ 215.492669][ T6436] invoke_syscall+0x98/0x2b8 [ 215.493321][ T6436] el0_svc_common+0x138/0x258 [ 215.493993][ T6436] do_el0_svc+0x58/0x14c [ 215.494604][ T6436] el0_svc+0x78/0x1e0 [ 215.495195][ T6436] el0t_64_sync_handler+0xcc/0xe4 [ 215.495935][ T6436] el0t_64_sync+0x1a0/0x1a4 [ 215.498035][ T6436] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 215.499914][ T6436] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 215.634198][ T6438] loop1: detected capacity change from 0 to 32768 [ 215.735299][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 215.736604][ T6438] CPU: 1 PID: 6438 Comm: syz.1.586 Not tainted syzkaller #0 [ 215.737785][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.739377][ T6438] Call trace: [ 215.739907][ T6438] dump_backtrace+0x0/0x43c [ 215.740633][ T6438] show_stack+0x2c/0x3c [ 215.741330][ T6438] __dump_stack+0x30/0x40 [ 215.742030][ T6438] dump_stack_lvl+0xf8/0x160 [ 215.742741][ T6438] dump_stack+0x1c/0x5c [ 215.743412][ T6438] sysfs_create_dir_ns+0x22c/0x24c [ 215.744171][ T6438] kobject_add_internal+0x590/0xc54 [ 215.744959][ T6438] kobject_init_and_add+0x118/0x17c [ 215.745720][ T6438] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.746472][ T6438] gfs2_fill_super+0xdac/0x19e0 [ 215.747209][ T6438] get_tree_bdev+0x358/0x544 [ 215.747961][ T6438] gfs2_get_tree+0x54/0x1b4 [ 215.748630][ T6438] vfs_get_tree+0x90/0x274 [ 215.749315][ T6438] do_new_mount+0x228/0x810 [ 215.749988][ T6438] path_mount+0x5b4/0x1000 [ 215.750656][ T6438] __arm64_sys_mount+0x514/0x5e4 [ 215.751389][ T6438] invoke_syscall+0x98/0x2b8 [ 215.752056][ T6438] el0_svc_common+0x138/0x258 [ 215.752727][ T6438] do_el0_svc+0x58/0x14c [ 215.753359][ T6438] el0_svc+0x78/0x1e0 [ 215.753936][ T6438] el0t_64_sync_handler+0xcc/0xe4 [ 215.754735][ T6438] el0t_64_sync+0x1a0/0x1a4 [ 215.756166][ T6438] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 215.758103][ T6438] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 215.895958][ T6440] loop1: detected capacity change from 0 to 32768 [ 215.903750][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 215.905064][ T6440] CPU: 0 PID: 6440 Comm: syz.1.587 Not tainted syzkaller #0 [ 215.906188][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 215.907781][ T6440] Call trace: [ 215.908287][ T6440] dump_backtrace+0x0/0x43c [ 215.908927][ T6440] show_stack+0x2c/0x3c [ 215.909562][ T6440] __dump_stack+0x30/0x40 [ 215.910169][ T6440] dump_stack_lvl+0xf8/0x160 [ 215.910917][ T6440] dump_stack+0x1c/0x5c [ 215.911533][ T6440] sysfs_create_dir_ns+0x22c/0x24c [ 215.912370][ T6440] kobject_add_internal+0x590/0xc54 [ 215.913210][ T6440] kobject_init_and_add+0x118/0x17c [ 215.914002][ T6440] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.914745][ T6440] gfs2_fill_super+0xdac/0x19e0 [ 215.915586][ T6440] get_tree_bdev+0x358/0x544 [ 215.916334][ T6440] gfs2_get_tree+0x54/0x1b4 [ 215.917071][ T6440] vfs_get_tree+0x90/0x274 [ 215.917784][ T6440] do_new_mount+0x228/0x810 [ 215.918502][ T6440] path_mount+0x5b4/0x1000 [ 215.919161][ T6440] __arm64_sys_mount+0x514/0x5e4 [ 215.919889][ T6440] invoke_syscall+0x98/0x2b8 [ 215.920525][ T6440] el0_svc_common+0x138/0x258 [ 215.921213][ T6440] do_el0_svc+0x58/0x14c [ 215.921861][ T6440] el0_svc+0x78/0x1e0 [ 215.922452][ T6440] el0t_64_sync_handler+0xcc/0xe4 [ 215.923156][ T6440] el0t_64_sync+0x1a0/0x1a4 [ 215.923983][ T6440] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 215.926138][ T6440] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 216.058183][ T6442] loop1: detected capacity change from 0 to 32768 [ 216.091447][ T6442] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 216.092790][ T6442] CPU: 1 PID: 6442 Comm: syz.1.588 Not tainted syzkaller #0 [ 216.093871][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.095416][ T6442] Call trace: [ 216.095914][ T6442] dump_backtrace+0x0/0x43c [ 216.096885][ T6442] show_stack+0x2c/0x3c [ 216.097566][ T6442] __dump_stack+0x30/0x40 [ 216.098268][ T6442] dump_stack_lvl+0xf8/0x160 [ 216.098992][ T6442] dump_stack+0x1c/0x5c [ 216.099591][ T6442] sysfs_create_dir_ns+0x22c/0x24c [ 216.100408][ T6442] kobject_add_internal+0x590/0xc54 [ 216.101290][ T6442] kobject_init_and_add+0x118/0x17c [ 216.102132][ T6442] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.102930][ T6442] gfs2_fill_super+0xdac/0x19e0 [ 216.103718][ T6442] get_tree_bdev+0x358/0x544 [ 216.104468][ T6442] gfs2_get_tree+0x54/0x1b4 [ 216.105148][ T6442] vfs_get_tree+0x90/0x274 [ 216.105817][ T6442] do_new_mount+0x228/0x810 [ 216.106412][ T6442] path_mount+0x5b4/0x1000 [ 216.107098][ T6442] __arm64_sys_mount+0x514/0x5e4 [ 216.107843][ T6442] invoke_syscall+0x98/0x2b8 [ 216.108556][ T6442] el0_svc_common+0x138/0x258 [ 216.109306][ T6442] do_el0_svc+0x58/0x14c [ 216.109911][ T6442] el0_svc+0x78/0x1e0 [ 216.110491][ T6442] el0t_64_sync_handler+0xcc/0xe4 [ 216.111214][ T6442] el0t_64_sync+0x1a0/0x1a4 [ 216.113412][ T6442] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 216.115432][ T6442] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 216.249618][ T6444] loop1: detected capacity change from 0 to 32768 [ 216.256843][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 216.258047][ T6444] CPU: 0 PID: 6444 Comm: syz.1.589 Not tainted syzkaller #0 [ 216.259156][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.260629][ T6444] Call trace: [ 216.261062][ T6444] dump_backtrace+0x0/0x43c [ 216.261690][ T6444] show_stack+0x2c/0x3c [ 216.262343][ T6444] __dump_stack+0x30/0x40 [ 216.262957][ T6444] dump_stack_lvl+0xf8/0x160 [ 216.263635][ T6444] dump_stack+0x1c/0x5c [ 216.264281][ T6444] sysfs_create_dir_ns+0x22c/0x24c [ 216.265081][ T6444] kobject_add_internal+0x590/0xc54 [ 216.265917][ T6444] kobject_init_and_add+0x118/0x17c [ 216.266668][ T6444] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.267344][ T6444] gfs2_fill_super+0xdac/0x19e0 [ 216.268075][ T6444] get_tree_bdev+0x358/0x544 [ 216.268840][ T6444] gfs2_get_tree+0x54/0x1b4 [ 216.269533][ T6444] vfs_get_tree+0x90/0x274 [ 216.270223][ T6444] do_new_mount+0x228/0x810 [ 216.270887][ T6444] path_mount+0x5b4/0x1000 [ 216.271570][ T6444] __arm64_sys_mount+0x514/0x5e4 [ 216.272391][ T6444] invoke_syscall+0x98/0x2b8 [ 216.273095][ T6444] el0_svc_common+0x138/0x258 [ 216.273803][ T6444] do_el0_svc+0x58/0x14c [ 216.274483][ T6444] el0_svc+0x78/0x1e0 [ 216.275102][ T6444] el0t_64_sync_handler+0xcc/0xe4 [ 216.275925][ T6444] el0t_64_sync+0x1a0/0x1a4 [ 216.276871][ T6444] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 216.278882][ T6444] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:36 executed programs: 576 [ 216.409064][ T6446] loop1: detected capacity change from 0 to 32768 [ 216.451464][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 216.452660][ T6446] CPU: 1 PID: 6446 Comm: syz.1.590 Not tainted syzkaller #0 [ 216.453810][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.455332][ T6446] Call trace: [ 216.455860][ T6446] dump_backtrace+0x0/0x43c [ 216.456583][ T6446] show_stack+0x2c/0x3c [ 216.457222][ T6446] __dump_stack+0x30/0x40 [ 216.457893][ T6446] dump_stack_lvl+0xf8/0x160 [ 216.458636][ T6446] dump_stack+0x1c/0x5c [ 216.459248][ T6446] sysfs_create_dir_ns+0x22c/0x24c [ 216.460027][ T6446] kobject_add_internal+0x590/0xc54 [ 216.460850][ T6446] kobject_init_and_add+0x118/0x17c [ 216.461683][ T6446] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.462408][ T6446] gfs2_fill_super+0xdac/0x19e0 [ 216.463166][ T6446] get_tree_bdev+0x358/0x544 [ 216.463905][ T6446] gfs2_get_tree+0x54/0x1b4 [ 216.464587][ T6446] vfs_get_tree+0x90/0x274 [ 216.465281][ T6446] do_new_mount+0x228/0x810 [ 216.466052][ T6446] path_mount+0x5b4/0x1000 [ 216.466769][ T6446] __arm64_sys_mount+0x514/0x5e4 [ 216.467534][ T6446] invoke_syscall+0x98/0x2b8 [ 216.468234][ T6446] el0_svc_common+0x138/0x258 [ 216.468969][ T6446] do_el0_svc+0x58/0x14c [ 216.469650][ T6446] el0_svc+0x78/0x1e0 [ 216.470233][ T6446] el0t_64_sync_handler+0xcc/0xe4 [ 216.470992][ T6446] el0t_64_sync+0x1a0/0x1a4 [ 216.476530][ T6446] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 216.478502][ T6446] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 216.666718][ T6448] loop1: detected capacity change from 0 to 32768 [ 216.711475][ T6448] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 216.720931][ T6448] CPU: 0 PID: 6448 Comm: syz.1.591 Not tainted syzkaller #0 [ 216.722099][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.723665][ T6448] Call trace: [ 216.724153][ T6448] dump_backtrace+0x0/0x43c [ 216.724919][ T6448] show_stack+0x2c/0x3c [ 216.725598][ T6448] __dump_stack+0x30/0x40 [ 216.726288][ T6448] dump_stack_lvl+0xf8/0x160 [ 216.726962][ T6448] dump_stack+0x1c/0x5c [ 216.727567][ T6448] sysfs_create_dir_ns+0x22c/0x24c [ 216.728305][ T6448] kobject_add_internal+0x590/0xc54 [ 216.729136][ T6448] kobject_init_and_add+0x118/0x17c [ 216.729889][ T6448] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.730569][ T6448] gfs2_fill_super+0xdac/0x19e0 [ 216.731336][ T6448] get_tree_bdev+0x358/0x544 [ 216.732054][ T6448] gfs2_get_tree+0x54/0x1b4 [ 216.732798][ T6448] vfs_get_tree+0x90/0x274 [ 216.733517][ T6448] do_new_mount+0x228/0x810 [ 216.734212][ T6448] path_mount+0x5b4/0x1000 [ 216.734932][ T6448] __arm64_sys_mount+0x514/0x5e4 [ 216.735767][ T6448] invoke_syscall+0x98/0x2b8 [ 216.736565][ T6448] el0_svc_common+0x138/0x258 [ 216.737281][ T6448] do_el0_svc+0x58/0x14c [ 216.737955][ T6448] el0_svc+0x78/0x1e0 [ 216.738617][ T6448] el0t_64_sync_handler+0xcc/0xe4 [ 216.739421][ T6448] el0t_64_sync+0x1a0/0x1a4 [ 216.741660][ T6448] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 216.743731][ T6448] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 216.886893][ T6450] loop1: detected capacity change from 0 to 32768 [ 216.894001][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 216.895332][ T6450] CPU: 1 PID: 6450 Comm: syz.1.592 Not tainted syzkaller #0 [ 216.896350][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 216.897872][ T6450] Call trace: [ 216.898403][ T6450] dump_backtrace+0x0/0x43c [ 216.899185][ T6450] show_stack+0x2c/0x3c [ 216.899858][ T6450] __dump_stack+0x30/0x40 [ 216.900537][ T6450] dump_stack_lvl+0xf8/0x160 [ 216.901250][ T6450] dump_stack+0x1c/0x5c [ 216.901897][ T6450] sysfs_create_dir_ns+0x22c/0x24c [ 216.902655][ T6450] kobject_add_internal+0x590/0xc54 [ 216.903375][ T6450] kobject_init_and_add+0x118/0x17c [ 216.904091][ T6450] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.904800][ T6450] gfs2_fill_super+0xdac/0x19e0 [ 216.905519][ T6450] get_tree_bdev+0x358/0x544 [ 216.906301][ T6450] gfs2_get_tree+0x54/0x1b4 [ 216.907062][ T6450] vfs_get_tree+0x90/0x274 [ 216.907779][ T6450] do_new_mount+0x228/0x810 [ 216.908521][ T6450] path_mount+0x5b4/0x1000 [ 216.909173][ T6450] __arm64_sys_mount+0x514/0x5e4 [ 216.909917][ T6450] invoke_syscall+0x98/0x2b8 [ 216.910584][ T6450] el0_svc_common+0x138/0x258 [ 216.911293][ T6450] do_el0_svc+0x58/0x14c [ 216.911976][ T6450] el0_svc+0x78/0x1e0 [ 216.912591][ T6450] el0t_64_sync_handler+0xcc/0xe4 [ 216.913439][ T6450] el0t_64_sync+0x1a0/0x1a4 [ 216.914507][ T6450] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 216.916374][ T6450] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 217.058219][ T6452] loop1: detected capacity change from 0 to 32768 [ 217.091468][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 217.092733][ T6452] CPU: 0 PID: 6452 Comm: syz.1.593 Not tainted syzkaller #0 [ 217.093783][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.095183][ T6452] Call trace: [ 217.095686][ T6452] dump_backtrace+0x0/0x43c [ 217.096327][ T6452] show_stack+0x2c/0x3c [ 217.096936][ T6452] __dump_stack+0x30/0x40 [ 217.097652][ T6452] dump_stack_lvl+0xf8/0x160 [ 217.098322][ T6452] dump_stack+0x1c/0x5c [ 217.098981][ T6452] sysfs_create_dir_ns+0x22c/0x24c [ 217.099748][ T6452] kobject_add_internal+0x590/0xc54 [ 217.100535][ T6452] kobject_init_and_add+0x118/0x17c [ 217.101347][ T6452] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.102085][ T6452] gfs2_fill_super+0xdac/0x19e0 [ 217.102806][ T6452] get_tree_bdev+0x358/0x544 [ 217.103441][ T6452] gfs2_get_tree+0x54/0x1b4 [ 217.104105][ T6452] vfs_get_tree+0x90/0x274 [ 217.104779][ T6452] do_new_mount+0x228/0x810 [ 217.105399][ T6452] path_mount+0x5b4/0x1000 [ 217.106007][ T6452] __arm64_sys_mount+0x514/0x5e4 [ 217.106730][ T6452] invoke_syscall+0x98/0x2b8 [ 217.107363][ T6452] el0_svc_common+0x138/0x258 [ 217.108059][ T6452] do_el0_svc+0x58/0x14c [ 217.108618][ T6452] el0_svc+0x78/0x1e0 [ 217.109189][ T6452] el0t_64_sync_handler+0xcc/0xe4 [ 217.109947][ T6452] el0t_64_sync+0x1a0/0x1a4 [ 217.111473][ T6452] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 217.113426][ T6452] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 217.297040][ T6454] loop1: detected capacity change from 0 to 32768 [ 217.336988][ T6454] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 217.338201][ T6454] CPU: 1 PID: 6454 Comm: syz.1.594 Not tainted syzkaller #0 [ 217.339196][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.340578][ T6454] Call trace: [ 217.341004][ T6454] dump_backtrace+0x0/0x43c [ 217.341621][ T6454] show_stack+0x2c/0x3c [ 217.342212][ T6454] __dump_stack+0x30/0x40 [ 217.342791][ T6454] dump_stack_lvl+0xf8/0x160 [ 217.343426][ T6454] dump_stack+0x1c/0x5c [ 217.344040][ T6454] sysfs_create_dir_ns+0x22c/0x24c [ 217.344911][ T6454] kobject_add_internal+0x590/0xc54 [ 217.345702][ T6454] kobject_init_and_add+0x118/0x17c [ 217.346602][ T6454] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.347407][ T6454] gfs2_fill_super+0xdac/0x19e0 [ 217.348155][ T6454] get_tree_bdev+0x358/0x544 [ 217.348895][ T6454] gfs2_get_tree+0x54/0x1b4 [ 217.349548][ T6454] vfs_get_tree+0x90/0x274 [ 217.350194][ T6454] do_new_mount+0x228/0x810 [ 217.350854][ T6454] path_mount+0x5b4/0x1000 [ 217.351494][ T6454] __arm64_sys_mount+0x514/0x5e4 [ 217.352186][ T6454] invoke_syscall+0x98/0x2b8 [ 217.352817][ T6454] el0_svc_common+0x138/0x258 [ 217.353441][ T6454] do_el0_svc+0x58/0x14c [ 217.354060][ T6454] el0_svc+0x78/0x1e0 [ 217.354653][ T6454] el0t_64_sync_handler+0xcc/0xe4 [ 217.355396][ T6454] el0t_64_sync+0x1a0/0x1a4 [ 217.357566][ T6454] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 217.359531][ T6454] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 217.495933][ T6456] loop1: detected capacity change from 0 to 32768 [ 217.503287][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 217.504447][ T6456] CPU: 0 PID: 6456 Comm: syz.1.595 Not tainted syzkaller #0 [ 217.505482][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.506949][ T6456] Call trace: [ 217.507392][ T6456] dump_backtrace+0x0/0x43c [ 217.508054][ T6456] show_stack+0x2c/0x3c [ 217.508653][ T6456] __dump_stack+0x30/0x40 [ 217.509307][ T6456] dump_stack_lvl+0xf8/0x160 [ 217.509940][ T6456] dump_stack+0x1c/0x5c [ 217.510531][ T6456] sysfs_create_dir_ns+0x22c/0x24c [ 217.511358][ T6456] kobject_add_internal+0x590/0xc54 [ 217.512130][ T6456] kobject_init_and_add+0x118/0x17c [ 217.512962][ T6456] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.513714][ T6456] gfs2_fill_super+0xdac/0x19e0 [ 217.514456][ T6456] get_tree_bdev+0x358/0x544 [ 217.515126][ T6456] gfs2_get_tree+0x54/0x1b4 [ 217.515841][ T6456] vfs_get_tree+0x90/0x274 [ 217.516488][ T6456] do_new_mount+0x228/0x810 [ 217.517160][ T6456] path_mount+0x5b4/0x1000 [ 217.517869][ T6456] __arm64_sys_mount+0x514/0x5e4 [ 217.518604][ T6456] invoke_syscall+0x98/0x2b8 [ 217.519271][ T6456] el0_svc_common+0x138/0x258 [ 217.520009][ T6456] do_el0_svc+0x58/0x14c [ 217.520625][ T6456] el0_svc+0x78/0x1e0 [ 217.521221][ T6456] el0t_64_sync_handler+0xcc/0xe4 [ 217.521937][ T6456] el0t_64_sync+0x1a0/0x1a4 [ 217.523000][ T6456] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 217.525101][ T6456] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 217.657151][ T6458] loop1: detected capacity change from 0 to 32768 [ 217.701438][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 217.702685][ T6458] CPU: 1 PID: 6458 Comm: syz.1.596 Not tainted syzkaller #0 [ 217.703720][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.705060][ T6458] Call trace: [ 217.705522][ T6458] dump_backtrace+0x0/0x43c [ 217.706134][ T6458] show_stack+0x2c/0x3c [ 217.706708][ T6458] __dump_stack+0x30/0x40 [ 217.707320][ T6458] dump_stack_lvl+0xf8/0x160 [ 217.708062][ T6458] dump_stack+0x1c/0x5c [ 217.708746][ T6458] sysfs_create_dir_ns+0x22c/0x24c [ 217.709474][ T6458] kobject_add_internal+0x590/0xc54 [ 217.710195][ T6458] kobject_init_and_add+0x118/0x17c [ 217.711010][ T6458] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.711764][ T6458] gfs2_fill_super+0xdac/0x19e0 [ 217.712490][ T6458] get_tree_bdev+0x358/0x544 [ 217.713156][ T6458] gfs2_get_tree+0x54/0x1b4 [ 217.713819][ T6458] vfs_get_tree+0x90/0x274 [ 217.714463][ T6458] do_new_mount+0x228/0x810 [ 217.715092][ T6458] path_mount+0x5b4/0x1000 [ 217.715746][ T6458] __arm64_sys_mount+0x514/0x5e4 [ 217.716552][ T6458] invoke_syscall+0x98/0x2b8 [ 217.717245][ T6458] el0_svc_common+0x138/0x258 [ 217.717982][ T6458] do_el0_svc+0x58/0x14c [ 217.718573][ T6458] el0_svc+0x78/0x1e0 [ 217.719127][ T6458] el0t_64_sync_handler+0xcc/0xe4 [ 217.719836][ T6458] el0t_64_sync+0x1a0/0x1a4 [ 217.721237][ T6458] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 217.723223][ T6458] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 217.867862][ T6460] loop1: detected capacity change from 0 to 32768 [ 217.872361][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 217.873634][ T6460] CPU: 1 PID: 6460 Comm: syz.1.597 Not tainted syzkaller #0 [ 217.874617][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 217.876168][ T6460] Call trace: [ 217.876667][ T6460] dump_backtrace+0x0/0x43c [ 217.877376][ T6460] show_stack+0x2c/0x3c [ 217.878083][ T6460] __dump_stack+0x30/0x40 [ 217.878788][ T6460] dump_stack_lvl+0xf8/0x160 [ 217.879512][ T6460] dump_stack+0x1c/0x5c [ 217.880150][ T6460] sysfs_create_dir_ns+0x22c/0x24c [ 217.881010][ T6460] kobject_add_internal+0x590/0xc54 [ 217.881892][ T6460] kobject_init_and_add+0x118/0x17c [ 217.882807][ T6460] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.883580][ T6460] gfs2_fill_super+0xdac/0x19e0 [ 217.884339][ T6460] get_tree_bdev+0x358/0x544 [ 217.885041][ T6460] gfs2_get_tree+0x54/0x1b4 [ 217.885791][ T6460] vfs_get_tree+0x90/0x274 [ 217.886484][ T6460] do_new_mount+0x228/0x810 [ 217.887146][ T6460] path_mount+0x5b4/0x1000 [ 217.887862][ T6460] __arm64_sys_mount+0x514/0x5e4 [ 217.888638][ T6460] invoke_syscall+0x98/0x2b8 [ 217.889341][ T6460] el0_svc_common+0x138/0x258 [ 217.890106][ T6460] do_el0_svc+0x58/0x14c [ 217.890835][ T6460] el0_svc+0x78/0x1e0 [ 217.891505][ T6460] el0t_64_sync_handler+0xcc/0xe4 [ 217.892271][ T6460] el0t_64_sync+0x1a0/0x1a4 [ 217.894590][ T6460] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 217.896524][ T6460] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.032390][ T6462] loop1: detected capacity change from 0 to 32768 [ 218.040566][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 218.041810][ T6462] CPU: 0 PID: 6462 Comm: syz.1.598 Not tainted syzkaller #0 [ 218.042834][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.044270][ T6462] Call trace: [ 218.044718][ T6462] dump_backtrace+0x0/0x43c [ 218.045339][ T6462] show_stack+0x2c/0x3c [ 218.045893][ T6462] __dump_stack+0x30/0x40 [ 218.046486][ T6462] dump_stack_lvl+0xf8/0x160 [ 218.047129][ T6462] dump_stack+0x1c/0x5c [ 218.047701][ T6462] sysfs_create_dir_ns+0x22c/0x24c [ 218.048393][ T6462] kobject_add_internal+0x590/0xc54 [ 218.049132][ T6462] kobject_init_and_add+0x118/0x17c [ 218.049844][ T6462] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.050521][ T6462] gfs2_fill_super+0xdac/0x19e0 [ 218.051304][ T6462] get_tree_bdev+0x358/0x544 [ 218.052027][ T6462] gfs2_get_tree+0x54/0x1b4 [ 218.052745][ T6462] vfs_get_tree+0x90/0x274 [ 218.053477][ T6462] do_new_mount+0x228/0x810 [ 218.054244][ T6462] path_mount+0x5b4/0x1000 [ 218.054981][ T6462] __arm64_sys_mount+0x514/0x5e4 [ 218.055776][ T6462] invoke_syscall+0x98/0x2b8 [ 218.056492][ T6462] el0_svc_common+0x138/0x258 [ 218.057163][ T6462] do_el0_svc+0x58/0x14c [ 218.057836][ T6462] el0_svc+0x78/0x1e0 [ 218.058387][ T6462] el0t_64_sync_handler+0xcc/0xe4 [ 218.059217][ T6462] el0t_64_sync+0x1a0/0x1a4 [ 218.060134][ T6462] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 218.062307][ T6462] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.198996][ T6464] loop1: detected capacity change from 0 to 32768 [ 218.205513][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 218.206599][ T6464] CPU: 1 PID: 6464 Comm: syz.1.599 Not tainted syzkaller #0 [ 218.207598][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.208914][ T6464] Call trace: [ 218.209355][ T6464] dump_backtrace+0x0/0x43c [ 218.209955][ T6464] show_stack+0x2c/0x3c [ 218.210522][ T6464] __dump_stack+0x30/0x40 [ 218.211113][ T6464] dump_stack_lvl+0xf8/0x160 [ 218.211837][ T6464] dump_stack+0x1c/0x5c [ 218.212410][ T6464] sysfs_create_dir_ns+0x22c/0x24c [ 218.213146][ T6464] kobject_add_internal+0x590/0xc54 [ 218.213864][ T6464] kobject_init_and_add+0x118/0x17c [ 218.214630][ T6464] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.215351][ T6464] gfs2_fill_super+0xdac/0x19e0 [ 218.216032][ T6464] get_tree_bdev+0x358/0x544 [ 218.216723][ T6464] gfs2_get_tree+0x54/0x1b4 [ 218.217349][ T6464] vfs_get_tree+0x90/0x274 [ 218.217960][ T6464] do_new_mount+0x228/0x810 [ 218.218565][ T6464] path_mount+0x5b4/0x1000 [ 218.219214][ T6464] __arm64_sys_mount+0x514/0x5e4 [ 218.219970][ T6464] invoke_syscall+0x98/0x2b8 [ 218.220712][ T6464] el0_svc_common+0x138/0x258 [ 218.221443][ T6464] do_el0_svc+0x58/0x14c [ 218.222146][ T6464] el0_svc+0x78/0x1e0 [ 218.222776][ T6464] el0t_64_sync_handler+0xcc/0xe4 [ 218.223510][ T6464] el0t_64_sync+0x1a0/0x1a4 [ 218.224267][ T6464] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 218.226339][ T6464] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.363238][ T6466] loop1: detected capacity change from 0 to 32768 [ 218.451129][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 218.452436][ T6466] CPU: 1 PID: 6466 Comm: syz.1.600 Not tainted syzkaller #0 [ 218.453509][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.454933][ T6466] Call trace: [ 218.455392][ T6466] dump_backtrace+0x0/0x43c [ 218.456035][ T6466] show_stack+0x2c/0x3c [ 218.456599][ T6466] __dump_stack+0x30/0x40 [ 218.457188][ T6466] dump_stack_lvl+0xf8/0x160 [ 218.457908][ T6466] dump_stack+0x1c/0x5c [ 218.458603][ T6466] sysfs_create_dir_ns+0x22c/0x24c [ 218.459414][ T6466] kobject_add_internal+0x590/0xc54 [ 218.460158][ T6466] kobject_init_and_add+0x118/0x17c [ 218.460878][ T6466] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.461640][ T6466] gfs2_fill_super+0xdac/0x19e0 [ 218.462365][ T6466] get_tree_bdev+0x358/0x544 [ 218.463034][ T6466] gfs2_get_tree+0x54/0x1b4 [ 218.463683][ T6466] vfs_get_tree+0x90/0x274 [ 218.464317][ T6466] do_new_mount+0x228/0x810 [ 218.464972][ T6466] path_mount+0x5b4/0x1000 [ 218.465607][ T6466] __arm64_sys_mount+0x514/0x5e4 [ 218.466316][ T6466] invoke_syscall+0x98/0x2b8 [ 218.466974][ T6466] el0_svc_common+0x138/0x258 [ 218.467644][ T6466] do_el0_svc+0x58/0x14c [ 218.468256][ T6466] el0_svc+0x78/0x1e0 [ 218.468831][ T6466] el0t_64_sync_handler+0xcc/0xe4 [ 218.469581][ T6466] el0t_64_sync+0x1a0/0x1a4 [ 218.470364][ T6466] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 218.473013][ T6466] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.608715][ T6468] loop1: detected capacity change from 0 to 32768 [ 218.615743][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 218.616921][ T6468] CPU: 0 PID: 6468 Comm: syz.1.601 Not tainted syzkaller #0 [ 218.617978][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.619399][ T6468] Call trace: [ 218.619831][ T6468] dump_backtrace+0x0/0x43c [ 218.620421][ T6468] show_stack+0x2c/0x3c [ 218.621031][ T6468] __dump_stack+0x30/0x40 [ 218.621728][ T6468] dump_stack_lvl+0xf8/0x160 [ 218.622509][ T6468] dump_stack+0x1c/0x5c [ 218.623143][ T6468] sysfs_create_dir_ns+0x22c/0x24c [ 218.623997][ T6468] kobject_add_internal+0x590/0xc54 [ 218.624777][ T6468] kobject_init_and_add+0x118/0x17c [ 218.625525][ T6468] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.626289][ T6468] gfs2_fill_super+0xdac/0x19e0 [ 218.627053][ T6468] get_tree_bdev+0x358/0x544 [ 218.627737][ T6468] gfs2_get_tree+0x54/0x1b4 [ 218.628444][ T6468] vfs_get_tree+0x90/0x274 [ 218.629159][ T6468] do_new_mount+0x228/0x810 [ 218.629935][ T6468] path_mount+0x5b4/0x1000 [ 218.630692][ T6468] __arm64_sys_mount+0x514/0x5e4 [ 218.631540][ T6468] invoke_syscall+0x98/0x2b8 [ 218.632306][ T6468] el0_svc_common+0x138/0x258 [ 218.633010][ T6468] do_el0_svc+0x58/0x14c [ 218.633669][ T6468] el0_svc+0x78/0x1e0 [ 218.634347][ T6468] el0t_64_sync_handler+0xcc/0xe4 [ 218.635202][ T6468] el0t_64_sync+0x1a0/0x1a4 [ 218.636129][ T6468] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 218.638080][ T6468] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.775486][ T6470] loop1: detected capacity change from 0 to 32768 [ 218.821476][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 218.822742][ T6470] CPU: 1 PID: 6470 Comm: syz.1.602 Not tainted syzkaller #0 [ 218.823858][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 218.825285][ T6470] Call trace: [ 218.825716][ T6470] dump_backtrace+0x0/0x43c [ 218.826388][ T6470] show_stack+0x2c/0x3c [ 218.827033][ T6470] __dump_stack+0x30/0x40 [ 218.827657][ T6470] dump_stack_lvl+0xf8/0x160 [ 218.828315][ T6470] dump_stack+0x1c/0x5c [ 218.828999][ T6470] sysfs_create_dir_ns+0x22c/0x24c [ 218.829836][ T6470] kobject_add_internal+0x590/0xc54 [ 218.830656][ T6470] kobject_init_and_add+0x118/0x17c [ 218.831443][ T6470] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.832216][ T6470] gfs2_fill_super+0xdac/0x19e0 [ 218.832945][ T6470] get_tree_bdev+0x358/0x544 [ 218.833586][ T6470] gfs2_get_tree+0x54/0x1b4 [ 218.834259][ T6470] vfs_get_tree+0x90/0x274 [ 218.834882][ T6470] do_new_mount+0x228/0x810 [ 218.835508][ T6470] path_mount+0x5b4/0x1000 [ 218.836256][ T6470] __arm64_sys_mount+0x514/0x5e4 [ 218.837102][ T6470] invoke_syscall+0x98/0x2b8 [ 218.837759][ T6470] el0_svc_common+0x138/0x258 [ 218.838419][ T6470] do_el0_svc+0x58/0x14c [ 218.839096][ T6470] el0_svc+0x78/0x1e0 [ 218.839703][ T6470] el0t_64_sync_handler+0xcc/0xe4 [ 218.840448][ T6470] el0t_64_sync+0x1a0/0x1a4 [ 218.843278][ T6470] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 218.845341][ T6470] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 218.977034][ T6472] loop1: detected capacity change from 0 to 32768 [ 219.011433][ T6472] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 219.012726][ T6472] CPU: 1 PID: 6472 Comm: syz.1.603 Not tainted syzkaller #0 [ 219.013824][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.015336][ T6472] Call trace: [ 219.015827][ T6472] dump_backtrace+0x0/0x43c [ 219.016503][ T6472] show_stack+0x2c/0x3c [ 219.017189][ T6472] __dump_stack+0x30/0x40 [ 219.017891][ T6472] dump_stack_lvl+0xf8/0x160 [ 219.018516][ T6472] dump_stack+0x1c/0x5c [ 219.019181][ T6472] sysfs_create_dir_ns+0x22c/0x24c [ 219.020001][ T6472] kobject_add_internal+0x590/0xc54 [ 219.020740][ T6472] kobject_init_and_add+0x118/0x17c [ 219.021529][ T6472] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.022258][ T6472] gfs2_fill_super+0xdac/0x19e0 [ 219.022982][ T6472] get_tree_bdev+0x358/0x544 [ 219.023683][ T6472] gfs2_get_tree+0x54/0x1b4 [ 219.024350][ T6472] vfs_get_tree+0x90/0x274 [ 219.025070][ T6472] do_new_mount+0x228/0x810 [ 219.025835][ T6472] path_mount+0x5b4/0x1000 [ 219.026485][ T6472] __arm64_sys_mount+0x514/0x5e4 [ 219.027224][ T6472] invoke_syscall+0x98/0x2b8 [ 219.027892][ T6472] el0_svc_common+0x138/0x258 [ 219.028559][ T6472] do_el0_svc+0x58/0x14c [ 219.029200][ T6472] el0_svc+0x78/0x1e0 [ 219.029800][ T6472] el0t_64_sync_handler+0xcc/0xe4 [ 219.030598][ T6472] el0t_64_sync+0x1a0/0x1a4 [ 219.032781][ T6472] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 219.034723][ T6472] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 219.306939][ T6474] loop1: detected capacity change from 0 to 32768 [ 219.356822][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 219.357937][ T6474] CPU: 1 PID: 6474 Comm: syz.1.604 Not tainted syzkaller #0 [ 219.358898][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.360357][ T6474] Call trace: [ 219.360840][ T6474] dump_backtrace+0x0/0x43c [ 219.361481][ T6474] show_stack+0x2c/0x3c [ 219.362055][ T6474] __dump_stack+0x30/0x40 [ 219.362666][ T6474] dump_stack_lvl+0xf8/0x160 [ 219.363318][ T6474] dump_stack+0x1c/0x5c [ 219.363878][ T6474] sysfs_create_dir_ns+0x22c/0x24c [ 219.364694][ T6474] kobject_add_internal+0x590/0xc54 [ 219.365473][ T6474] kobject_init_and_add+0x118/0x17c [ 219.366308][ T6474] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.367089][ T6474] gfs2_fill_super+0xdac/0x19e0 [ 219.367862][ T6474] get_tree_bdev+0x358/0x544 [ 219.368598][ T6474] gfs2_get_tree+0x54/0x1b4 [ 219.369315][ T6474] vfs_get_tree+0x90/0x274 [ 219.370006][ T6474] do_new_mount+0x228/0x810 [ 219.370700][ T6474] path_mount+0x5b4/0x1000 [ 219.371369][ T6474] __arm64_sys_mount+0x514/0x5e4 [ 219.372103][ T6474] invoke_syscall+0x98/0x2b8 [ 219.372796][ T6474] el0_svc_common+0x138/0x258 [ 219.373489][ T6474] do_el0_svc+0x58/0x14c [ 219.374129][ T6474] el0_svc+0x78/0x1e0 [ 219.374678][ T6474] el0t_64_sync_handler+0xcc/0xe4 [ 219.375382][ T6474] el0t_64_sync+0x1a0/0x1a4 [ 219.376794][ T6474] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 219.378594][ T6474] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 219.515985][ T6476] loop1: detected capacity change from 0 to 32768 [ 219.523080][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 219.524385][ T6476] CPU: 0 PID: 6476 Comm: syz.1.605 Not tainted syzkaller #0 [ 219.525435][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.526939][ T6476] Call trace: [ 219.527444][ T6476] dump_backtrace+0x0/0x43c [ 219.528141][ T6476] show_stack+0x2c/0x3c [ 219.528753][ T6476] __dump_stack+0x30/0x40 [ 219.529402][ T6476] dump_stack_lvl+0xf8/0x160 [ 219.530077][ T6476] dump_stack+0x1c/0x5c [ 219.530687][ T6476] sysfs_create_dir_ns+0x22c/0x24c [ 219.531535][ T6476] kobject_add_internal+0x590/0xc54 [ 219.532325][ T6476] kobject_init_and_add+0x118/0x17c [ 219.533158][ T6476] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.533933][ T6476] gfs2_fill_super+0xdac/0x19e0 [ 219.534648][ T6476] get_tree_bdev+0x358/0x544 [ 219.535285][ T6476] gfs2_get_tree+0x54/0x1b4 [ 219.535927][ T6476] vfs_get_tree+0x90/0x274 [ 219.536560][ T6476] do_new_mount+0x228/0x810 [ 219.537181][ T6476] path_mount+0x5b4/0x1000 [ 219.537801][ T6476] __arm64_sys_mount+0x514/0x5e4 [ 219.538469][ T6476] invoke_syscall+0x98/0x2b8 [ 219.539174][ T6476] el0_svc_common+0x138/0x258 [ 219.539870][ T6476] do_el0_svc+0x58/0x14c [ 219.540517][ T6476] el0_svc+0x78/0x1e0 [ 219.541112][ T6476] el0t_64_sync_handler+0xcc/0xe4 [ 219.541845][ T6476] el0t_64_sync+0x1a0/0x1a4 [ 219.542654][ T6476] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 219.544587][ T6476] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 219.676261][ T6478] loop1: detected capacity change from 0 to 32768 [ 219.721415][ T6478] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 219.722641][ T6478] CPU: 0 PID: 6478 Comm: syz.1.606 Not tainted syzkaller #0 [ 219.723679][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.725137][ T6478] Call trace: [ 219.725621][ T6478] dump_backtrace+0x0/0x43c [ 219.726299][ T6478] show_stack+0x2c/0x3c [ 219.726938][ T6478] __dump_stack+0x30/0x40 [ 219.727590][ T6478] dump_stack_lvl+0xf8/0x160 [ 219.728262][ T6478] dump_stack+0x1c/0x5c [ 219.728875][ T6478] sysfs_create_dir_ns+0x22c/0x24c [ 219.729607][ T6478] kobject_add_internal+0x590/0xc54 [ 219.730355][ T6478] kobject_init_and_add+0x118/0x17c [ 219.731089][ T6478] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.731764][ T6478] gfs2_fill_super+0xdac/0x19e0 [ 219.732453][ T6478] get_tree_bdev+0x358/0x544 [ 219.733091][ T6478] gfs2_get_tree+0x54/0x1b4 [ 219.733730][ T6478] vfs_get_tree+0x90/0x274 [ 219.734365][ T6478] do_new_mount+0x228/0x810 [ 219.735079][ T6478] path_mount+0x5b4/0x1000 [ 219.735754][ T6478] __arm64_sys_mount+0x514/0x5e4 [ 219.736499][ T6478] invoke_syscall+0x98/0x2b8 [ 219.737142][ T6478] el0_svc_common+0x138/0x258 [ 219.737913][ T6478] do_el0_svc+0x58/0x14c [ 219.738608][ T6478] el0_svc+0x78/0x1e0 [ 219.739288][ T6478] el0t_64_sync_handler+0xcc/0xe4 [ 219.740082][ T6478] el0t_64_sync+0x1a0/0x1a4 [ 219.741012][ T6478] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 219.743032][ T6478] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 219.874230][ T6480] loop1: detected capacity change from 0 to 32768 [ 219.921432][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 219.922724][ T6480] CPU: 0 PID: 6480 Comm: syz.1.607 Not tainted syzkaller #0 [ 219.923843][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 219.925321][ T6480] Call trace: [ 219.925794][ T6480] dump_backtrace+0x0/0x43c [ 219.926479][ T6480] show_stack+0x2c/0x3c [ 219.927119][ T6480] __dump_stack+0x30/0x40 [ 219.927727][ T6480] dump_stack_lvl+0xf8/0x160 [ 219.928383][ T6480] dump_stack+0x1c/0x5c [ 219.928962][ T6480] sysfs_create_dir_ns+0x22c/0x24c [ 219.929686][ T6480] kobject_add_internal+0x590/0xc54 [ 219.930403][ T6480] kobject_init_and_add+0x118/0x17c [ 219.931114][ T6480] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.931769][ T6480] gfs2_fill_super+0xdac/0x19e0 [ 219.932417][ T6480] get_tree_bdev+0x358/0x544 [ 219.933051][ T6480] gfs2_get_tree+0x54/0x1b4 [ 219.933671][ T6480] vfs_get_tree+0x90/0x274 [ 219.934304][ T6480] do_new_mount+0x228/0x810 [ 219.935036][ T6480] path_mount+0x5b4/0x1000 [ 219.935703][ T6480] __arm64_sys_mount+0x514/0x5e4 [ 219.936449][ T6480] invoke_syscall+0x98/0x2b8 [ 219.937121][ T6480] el0_svc_common+0x138/0x258 [ 219.937841][ T6480] do_el0_svc+0x58/0x14c [ 219.938566][ T6480] el0_svc+0x78/0x1e0 [ 219.939241][ T6480] el0t_64_sync_handler+0xcc/0xe4 [ 219.940027][ T6480] el0t_64_sync+0x1a0/0x1a4 [ 219.943348][ T6480] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 219.945385][ T6480] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 220.075423][ T6482] loop1: detected capacity change from 0 to 32768 [ 220.163980][ T6482] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 220.165179][ T6482] CPU: 1 PID: 6482 Comm: syz.1.608 Not tainted syzkaller #0 [ 220.166331][ T6482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.167963][ T6482] Call trace: [ 220.168461][ T6482] dump_backtrace+0x0/0x43c [ 220.169159][ T6482] show_stack+0x2c/0x3c [ 220.169708][ T6482] __dump_stack+0x30/0x40 [ 220.170331][ T6482] dump_stack_lvl+0xf8/0x160 [ 220.171031][ T6482] dump_stack+0x1c/0x5c [ 220.171691][ T6482] sysfs_create_dir_ns+0x22c/0x24c [ 220.172435][ T6482] kobject_add_internal+0x590/0xc54 [ 220.173209][ T6482] kobject_init_and_add+0x118/0x17c [ 220.173965][ T6482] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.174732][ T6482] gfs2_fill_super+0xdac/0x19e0 [ 220.175498][ T6482] get_tree_bdev+0x358/0x544 [ 220.176207][ T6482] gfs2_get_tree+0x54/0x1b4 [ 220.176903][ T6482] vfs_get_tree+0x90/0x274 [ 220.177554][ T6482] do_new_mount+0x228/0x810 [ 220.178237][ T6482] path_mount+0x5b4/0x1000 [ 220.178885][ T6482] __arm64_sys_mount+0x514/0x5e4 [ 220.179625][ T6482] invoke_syscall+0x98/0x2b8 [ 220.180333][ T6482] el0_svc_common+0x138/0x258 [ 220.181042][ T6482] do_el0_svc+0x58/0x14c [ 220.181674][ T6482] el0_svc+0x78/0x1e0 [ 220.182311][ T6482] el0t_64_sync_handler+0xcc/0xe4 [ 220.183048][ T6482] el0t_64_sync+0x1a0/0x1a4 [ 220.184862][ T6482] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 220.186749][ T6482] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 220.191100][ T4161] Bluetooth: hci1: command 0x0406 tx timeout [ 220.324080][ T6484] loop1: detected capacity change from 0 to 32768 [ 220.331479][ T6484] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 220.332710][ T6484] CPU: 0 PID: 6484 Comm: syz.1.609 Not tainted syzkaller #0 [ 220.333821][ T6484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.335402][ T6484] Call trace: [ 220.335920][ T6484] dump_backtrace+0x0/0x43c [ 220.336570][ T6484] show_stack+0x2c/0x3c [ 220.337219][ T6484] __dump_stack+0x30/0x40 [ 220.337839][ T6484] dump_stack_lvl+0xf8/0x160 [ 220.338536][ T6484] dump_stack+0x1c/0x5c [ 220.339133][ T6484] sysfs_create_dir_ns+0x22c/0x24c [ 220.339876][ T6484] kobject_add_internal+0x590/0xc54 [ 220.340624][ T6484] kobject_init_and_add+0x118/0x17c [ 220.341454][ T6484] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.342156][ T6484] gfs2_fill_super+0xdac/0x19e0 [ 220.342959][ T6484] get_tree_bdev+0x358/0x544 [ 220.343704][ T6484] gfs2_get_tree+0x54/0x1b4 [ 220.344485][ T6484] vfs_get_tree+0x90/0x274 [ 220.345152][ T6484] do_new_mount+0x228/0x810 [ 220.345833][ T6484] path_mount+0x5b4/0x1000 [ 220.346454][ T6484] __arm64_sys_mount+0x514/0x5e4 [ 220.347156][ T6484] invoke_syscall+0x98/0x2b8 [ 220.347804][ T6484] el0_svc_common+0x138/0x258 [ 220.348461][ T6484] do_el0_svc+0x58/0x14c [ 220.349072][ T6484] el0_svc+0x78/0x1e0 [ 220.349637][ T6484] el0t_64_sync_handler+0xcc/0xe4 [ 220.350323][ T6484] el0t_64_sync+0x1a0/0x1a4 [ 220.352423][ T6484] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 220.354189][ T6484] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 220.485964][ T6486] loop1: detected capacity change from 0 to 32768 [ 220.521462][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 220.522776][ T6486] CPU: 1 PID: 6486 Comm: syz.1.610 Not tainted syzkaller #0 [ 220.523906][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.525363][ T6486] Call trace: [ 220.525813][ T6486] dump_backtrace+0x0/0x43c [ 220.526428][ T6486] show_stack+0x2c/0x3c [ 220.527011][ T6486] __dump_stack+0x30/0x40 [ 220.527595][ T6486] dump_stack_lvl+0xf8/0x160 [ 220.528206][ T6486] dump_stack+0x1c/0x5c [ 220.528773][ T6486] sysfs_create_dir_ns+0x22c/0x24c [ 220.529574][ T6486] kobject_add_internal+0x590/0xc54 [ 220.530311][ T6486] kobject_init_and_add+0x118/0x17c [ 220.531041][ T6486] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.531704][ T6486] gfs2_fill_super+0xdac/0x19e0 [ 220.532373][ T6486] get_tree_bdev+0x358/0x544 [ 220.532998][ T6486] gfs2_get_tree+0x54/0x1b4 [ 220.533608][ T6486] vfs_get_tree+0x90/0x274 [ 220.534308][ T6486] do_new_mount+0x228/0x810 [ 220.534958][ T6486] path_mount+0x5b4/0x1000 [ 220.535590][ T6486] __arm64_sys_mount+0x514/0x5e4 [ 220.536317][ T6486] invoke_syscall+0x98/0x2b8 [ 220.537043][ T6486] el0_svc_common+0x138/0x258 [ 220.537770][ T6486] do_el0_svc+0x58/0x14c [ 220.538351][ T6486] el0_svc+0x78/0x1e0 [ 220.538890][ T6486] el0t_64_sync_handler+0xcc/0xe4 [ 220.539579][ T6486] el0t_64_sync+0x1a0/0x1a4 [ 220.540344][ T6486] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 220.542326][ T6486] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 220.676609][ T6488] loop1: detected capacity change from 0 to 32768 [ 220.683914][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 220.685130][ T6488] CPU: 0 PID: 6488 Comm: syz.1.611 Not tainted syzkaller #0 [ 220.686142][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.687708][ T6488] Call trace: [ 220.688221][ T6488] dump_backtrace+0x0/0x43c [ 220.688948][ T6488] show_stack+0x2c/0x3c [ 220.689560][ T6488] __dump_stack+0x30/0x40 [ 220.690258][ T6488] dump_stack_lvl+0xf8/0x160 [ 220.690860][ T6488] dump_stack+0x1c/0x5c [ 220.691550][ T6488] sysfs_create_dir_ns+0x22c/0x24c [ 220.692330][ T6488] kobject_add_internal+0x590/0xc54 [ 220.693090][ T6488] kobject_init_and_add+0x118/0x17c [ 220.693949][ T6488] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.694660][ T6488] gfs2_fill_super+0xdac/0x19e0 [ 220.695375][ T6488] get_tree_bdev+0x358/0x544 [ 220.696028][ T6488] gfs2_get_tree+0x54/0x1b4 [ 220.696688][ T6488] vfs_get_tree+0x90/0x274 [ 220.697348][ T6488] do_new_mount+0x228/0x810 [ 220.698072][ T6488] path_mount+0x5b4/0x1000 [ 220.698730][ T6488] __arm64_sys_mount+0x514/0x5e4 [ 220.699483][ T6488] invoke_syscall+0x98/0x2b8 [ 220.700197][ T6488] el0_svc_common+0x138/0x258 [ 220.700924][ T6488] do_el0_svc+0x58/0x14c [ 220.701527][ T6488] el0_svc+0x78/0x1e0 [ 220.702106][ T6488] el0t_64_sync_handler+0xcc/0xe4 [ 220.702806][ T6488] el0t_64_sync+0x1a0/0x1a4 [ 220.703739][ T6488] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 220.705859][ T6488] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 220.835424][ T6490] loop1: detected capacity change from 0 to 32768 [ 220.916442][ T6490] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 220.917738][ T6490] CPU: 1 PID: 6490 Comm: syz.1.612 Not tainted syzkaller #0 [ 220.918829][ T6490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 220.920481][ T6490] Call trace: [ 220.920964][ T6490] dump_backtrace+0x0/0x43c [ 220.921656][ T6490] show_stack+0x2c/0x3c [ 220.922289][ T6490] __dump_stack+0x30/0x40 [ 220.922964][ T6490] dump_stack_lvl+0xf8/0x160 [ 220.923656][ T6490] dump_stack+0x1c/0x5c [ 220.924289][ T6490] sysfs_create_dir_ns+0x22c/0x24c [ 220.925040][ T6490] kobject_add_internal+0x590/0xc54 [ 220.925832][ T6490] kobject_init_and_add+0x118/0x17c [ 220.926563][ T6490] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.927225][ T6490] gfs2_fill_super+0xdac/0x19e0 [ 220.927912][ T6490] get_tree_bdev+0x358/0x544 [ 220.928579][ T6490] gfs2_get_tree+0x54/0x1b4 [ 220.929238][ T6490] vfs_get_tree+0x90/0x274 [ 220.929935][ T6490] do_new_mount+0x228/0x810 [ 220.930588][ T6490] path_mount+0x5b4/0x1000 [ 220.931214][ T6490] __arm64_sys_mount+0x514/0x5e4 [ 220.931883][ T6490] invoke_syscall+0x98/0x2b8 [ 220.932616][ T6490] el0_svc_common+0x138/0x258 [ 220.933269][ T6490] do_el0_svc+0x58/0x14c [ 220.933853][ T6490] el0_svc+0x78/0x1e0 [ 220.934437][ T6490] el0t_64_sync_handler+0xcc/0xe4 [ 220.935190][ T6490] el0t_64_sync+0x1a0/0x1a4 [ 220.937637][ T6490] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 220.939537][ T6490] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 221.072568][ T6492] loop1: detected capacity change from 0 to 32768 [ 221.146234][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 221.147546][ T6492] CPU: 1 PID: 6492 Comm: syz.1.613 Not tainted syzkaller #0 [ 221.148715][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.150216][ T6492] Call trace: [ 221.150694][ T6492] dump_backtrace+0x0/0x43c [ 221.151355][ T6492] show_stack+0x2c/0x3c [ 221.152026][ T6492] __dump_stack+0x30/0x40 [ 221.152738][ T6492] dump_stack_lvl+0xf8/0x160 [ 221.153440][ T6492] dump_stack+0x1c/0x5c [ 221.154033][ T6492] sysfs_create_dir_ns+0x22c/0x24c [ 221.154838][ T6492] kobject_add_internal+0x590/0xc54 [ 221.155554][ T6492] kobject_init_and_add+0x118/0x17c [ 221.156262][ T6492] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.157015][ T6492] gfs2_fill_super+0xdac/0x19e0 [ 221.157788][ T6492] get_tree_bdev+0x358/0x544 [ 221.158484][ T6492] gfs2_get_tree+0x54/0x1b4 [ 221.159163][ T6492] vfs_get_tree+0x90/0x274 [ 221.159832][ T6492] do_new_mount+0x228/0x810 [ 221.160546][ T6492] path_mount+0x5b4/0x1000 [ 221.161221][ T6492] __arm64_sys_mount+0x514/0x5e4 [ 221.161926][ T6492] invoke_syscall+0x98/0x2b8 [ 221.162547][ T6492] el0_svc_common+0x138/0x258 [ 221.163293][ T6492] do_el0_svc+0x58/0x14c [ 221.163978][ T6492] el0_svc+0x78/0x1e0 [ 221.164658][ T6492] el0t_64_sync_handler+0xcc/0xe4 [ 221.165505][ T6492] el0t_64_sync+0x1a0/0x1a4 [ 221.167649][ T6492] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 221.169636][ T6492] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 221.301250][ T6494] loop1: detected capacity change from 0 to 32768 [ 221.351810][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 221.353028][ T6494] CPU: 0 PID: 6494 Comm: syz.1.614 Not tainted syzkaller #0 [ 221.354039][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.355450][ T6494] Call trace: [ 221.355895][ T6494] dump_backtrace+0x0/0x43c [ 221.356510][ T6494] show_stack+0x2c/0x3c [ 221.357111][ T6494] __dump_stack+0x30/0x40 [ 221.357702][ T6494] dump_stack_lvl+0xf8/0x160 [ 221.358335][ T6494] dump_stack+0x1c/0x5c [ 221.358905][ T6494] sysfs_create_dir_ns+0x22c/0x24c [ 221.359637][ T6494] kobject_add_internal+0x590/0xc54 [ 221.360429][ T6494] kobject_init_and_add+0x118/0x17c [ 221.361256][ T6494] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.362000][ T6494] gfs2_fill_super+0xdac/0x19e0 [ 221.362697][ T6494] get_tree_bdev+0x358/0x544 [ 221.363424][ T6494] gfs2_get_tree+0x54/0x1b4 [ 221.364123][ T6494] vfs_get_tree+0x90/0x274 [ 221.364791][ T6494] do_new_mount+0x228/0x810 [ 221.365426][ T6494] path_mount+0x5b4/0x1000 [ 221.366114][ T6494] __arm64_sys_mount+0x514/0x5e4 [ 221.366827][ T6494] invoke_syscall+0x98/0x2b8 [ 221.367518][ T6494] el0_svc_common+0x138/0x258 [ 221.368214][ T6494] do_el0_svc+0x58/0x14c [ 221.368839][ T6494] el0_svc+0x78/0x1e0 [ 221.369463][ T6494] el0t_64_sync_handler+0xcc/0xe4 [ 221.370240][ T6494] el0t_64_sync+0x1a0/0x1a4 [ 221.372672][ T6494] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 221.374628][ T6494] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:41 executed programs: 601 [ 221.513876][ T6496] loop1: detected capacity change from 0 to 32768 [ 221.521361][ T6496] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 221.522651][ T6496] CPU: 1 PID: 6496 Comm: syz.1.615 Not tainted syzkaller #0 [ 221.523764][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.525359][ T6496] Call trace: [ 221.525905][ T6496] dump_backtrace+0x0/0x43c [ 221.526667][ T6496] show_stack+0x2c/0x3c [ 221.527367][ T6496] __dump_stack+0x30/0x40 [ 221.528057][ T6496] dump_stack_lvl+0xf8/0x160 [ 221.528815][ T6496] dump_stack+0x1c/0x5c [ 221.529467][ T6496] sysfs_create_dir_ns+0x22c/0x24c [ 221.530279][ T6496] kobject_add_internal+0x590/0xc54 [ 221.531110][ T6496] kobject_init_and_add+0x118/0x17c [ 221.531983][ T6496] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.532802][ T6496] gfs2_fill_super+0xdac/0x19e0 [ 221.533559][ T6496] get_tree_bdev+0x358/0x544 [ 221.534270][ T6496] gfs2_get_tree+0x54/0x1b4 [ 221.534969][ T6496] vfs_get_tree+0x90/0x274 [ 221.535644][ T6496] do_new_mount+0x228/0x810 [ 221.536349][ T6496] path_mount+0x5b4/0x1000 [ 221.537015][ T6496] __arm64_sys_mount+0x514/0x5e4 [ 221.537822][ T6496] invoke_syscall+0x98/0x2b8 [ 221.538561][ T6496] el0_svc_common+0x138/0x258 [ 221.539298][ T6496] do_el0_svc+0x58/0x14c [ 221.539975][ T6496] el0_svc+0x78/0x1e0 [ 221.540653][ T6496] el0t_64_sync_handler+0xcc/0xe4 [ 221.541406][ T6496] el0t_64_sync+0x1a0/0x1a4 [ 221.543687][ T6496] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 221.545616][ T6496] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 221.678130][ T6498] loop1: detected capacity change from 0 to 32768 [ 221.712130][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 221.713265][ T6498] CPU: 1 PID: 6498 Comm: syz.1.616 Not tainted syzkaller #0 [ 221.714256][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.715650][ T6498] Call trace: [ 221.716121][ T6498] dump_backtrace+0x0/0x43c [ 221.716862][ T6498] show_stack+0x2c/0x3c [ 221.717583][ T6498] __dump_stack+0x30/0x40 [ 221.718251][ T6498] dump_stack_lvl+0xf8/0x160 [ 221.718953][ T6498] dump_stack+0x1c/0x5c [ 221.719613][ T6498] sysfs_create_dir_ns+0x22c/0x24c [ 221.720428][ T6498] kobject_add_internal+0x590/0xc54 [ 221.721248][ T6498] kobject_init_and_add+0x118/0x17c [ 221.722146][ T6498] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.722920][ T6498] gfs2_fill_super+0xdac/0x19e0 [ 221.723690][ T6498] get_tree_bdev+0x358/0x544 [ 221.724443][ T6498] gfs2_get_tree+0x54/0x1b4 [ 221.725188][ T6498] vfs_get_tree+0x90/0x274 [ 221.725938][ T6498] do_new_mount+0x228/0x810 [ 221.726635][ T6498] path_mount+0x5b4/0x1000 [ 221.727305][ T6498] __arm64_sys_mount+0x514/0x5e4 [ 221.728026][ T6498] invoke_syscall+0x98/0x2b8 [ 221.728722][ T6498] el0_svc_common+0x138/0x258 [ 221.729487][ T6498] do_el0_svc+0x58/0x14c [ 221.730192][ T6498] el0_svc+0x78/0x1e0 [ 221.730859][ T6498] el0t_64_sync_handler+0xcc/0xe4 [ 221.731691][ T6498] el0t_64_sync+0x1a0/0x1a4 [ 221.734002][ T6498] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 221.736075][ T6498] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 221.868466][ T6500] loop1: detected capacity change from 0 to 32768 [ 221.901431][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 221.902606][ T6500] CPU: 1 PID: 6500 Comm: syz.1.617 Not tainted syzkaller #0 [ 221.903676][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 221.905096][ T6500] Call trace: [ 221.905585][ T6500] dump_backtrace+0x0/0x43c [ 221.906309][ T6500] show_stack+0x2c/0x3c [ 221.906941][ T6500] __dump_stack+0x30/0x40 [ 221.907557][ T6500] dump_stack_lvl+0xf8/0x160 [ 221.908222][ T6500] dump_stack+0x1c/0x5c [ 221.908889][ T6500] sysfs_create_dir_ns+0x22c/0x24c [ 221.909699][ T6500] kobject_add_internal+0x590/0xc54 [ 221.910480][ T6500] kobject_init_and_add+0x118/0x17c [ 221.911287][ T6500] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.912024][ T6500] gfs2_fill_super+0xdac/0x19e0 [ 221.912765][ T6500] get_tree_bdev+0x358/0x544 [ 221.913469][ T6500] gfs2_get_tree+0x54/0x1b4 [ 221.914217][ T6500] vfs_get_tree+0x90/0x274 [ 221.914890][ T6500] do_new_mount+0x228/0x810 [ 221.915541][ T6500] path_mount+0x5b4/0x1000 [ 221.916202][ T6500] __arm64_sys_mount+0x514/0x5e4 [ 221.917050][ T6500] invoke_syscall+0x98/0x2b8 [ 221.917783][ T6500] el0_svc_common+0x138/0x258 [ 221.918530][ T6500] do_el0_svc+0x58/0x14c [ 221.919129][ T6500] el0_svc+0x78/0x1e0 [ 221.919739][ T6500] el0t_64_sync_handler+0xcc/0xe4 [ 221.920469][ T6500] el0t_64_sync+0x1a0/0x1a4 [ 221.922789][ T6500] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 221.924796][ T6500] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 222.041314][ T6502] chnl_net:caif_netlink_parms(): no params data found [ 222.061743][ T6502] bridge0: port 1(bridge_slave_0) entered blocking state [ 222.062990][ T6502] bridge0: port 1(bridge_slave_0) entered disabled state [ 222.064637][ T6502] device bridge_slave_0 entered promiscuous mode [ 222.066665][ T6502] bridge0: port 2(bridge_slave_1) entered blocking state [ 222.067765][ T6502] bridge0: port 2(bridge_slave_1) entered disabled state [ 222.069369][ T6502] device bridge_slave_1 entered promiscuous mode [ 222.079544][ T6502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 222.083418][ T6502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 222.092360][ T6502] team0: Port device team_slave_0 added [ 222.094199][ T6502] team0: Port device team_slave_1 added [ 222.101428][ T6502] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 222.102497][ T6502] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 222.105871][ T6502] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 222.108320][ T6502] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 222.109392][ T6502] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 222.113263][ T6502] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 222.162689][ T6502] device hsr_slave_0 entered promiscuous mode [ 222.201414][ T6502] device hsr_slave_1 entered promiscuous mode [ 222.250954][ T6502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 222.252150][ T6502] Cannot create hsr debugfs directory [ 222.296443][ T6502] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.459563][ T6502] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.510324][ T6502] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.795386][ T6502] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 222.934576][ T6502] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 222.998857][ T6502] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 223.035037][ T6502] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 223.075364][ T6502] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 223.138697][ T6502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 223.143794][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 223.145385][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 223.148247][ T6502] 8021q: adding VLAN 0 to HW filter on device team0 [ 223.153416][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 223.154907][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 223.156374][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.157500][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 223.158962][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 223.165327][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 223.167022][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 223.168398][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.169543][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 223.172383][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 223.175536][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 223.178389][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 223.180472][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 223.182224][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 223.185092][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 223.186698][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 223.190184][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 223.192358][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 223.195859][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 223.197404][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 223.199822][ T6502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 223.245652][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 223.246998][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 223.250241][ T6502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 223.257297][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 223.258934][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 223.266698][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 223.268228][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 223.269719][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 223.272165][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 223.277329][ T6502] device veth0_vlan entered promiscuous mode [ 223.280728][ T6502] device veth1_vlan entered promiscuous mode [ 223.288339][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 223.289832][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 223.291537][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 223.293028][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 223.295564][ T6502] device veth0_macvtap entered promiscuous mode [ 223.297879][ T6502] device veth1_macvtap entered promiscuous mode [ 223.307736][ T6502] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.309256][ T6502] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.310802][ T6502] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 223.314085][ T6502] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.316329][ T6502] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 223.320797][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 223.322333][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 223.323684][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 223.325264][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 223.328210][ T6502] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.329852][ T6502] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.331683][ T6502] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 223.333254][ T6502] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 223.335367][ T6502] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 223.336631][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 223.338199][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 223.340789][ T6502] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.342260][ T6502] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.343466][ T6502] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.344707][ T6502] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 223.370186][ T1117] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 223.371983][ T1117] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 223.373894][ T1117] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 223.382367][ T1117] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 223.383663][ T1117] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 223.385252][ T1608] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 223.532656][ T6520] loop1: detected capacity change from 0 to 32768 [ 223.539810][ T6520] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 223.541801][ T6520] CPU: 1 PID: 6520 Comm: syz.1.618 Not tainted syzkaller #0 [ 223.542836][ T6520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.544335][ T6520] Call trace: [ 223.544823][ T6520] dump_backtrace+0x0/0x43c [ 223.545457][ T6520] show_stack+0x2c/0x3c [ 223.546095][ T6520] __dump_stack+0x30/0x40 [ 223.546729][ T6520] dump_stack_lvl+0xf8/0x160 [ 223.547329][ T6520] dump_stack+0x1c/0x5c [ 223.547936][ T6520] sysfs_create_dir_ns+0x22c/0x24c [ 223.548662][ T6520] kobject_add_internal+0x590/0xc54 [ 223.549418][ T6520] kobject_init_and_add+0x118/0x17c [ 223.550173][ T6520] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.550823][ T6520] gfs2_fill_super+0xdac/0x19e0 [ 223.551611][ T6520] get_tree_bdev+0x358/0x544 [ 223.552380][ T6520] gfs2_get_tree+0x54/0x1b4 [ 223.553098][ T6520] vfs_get_tree+0x90/0x274 [ 223.553827][ T6520] do_new_mount+0x228/0x810 [ 223.554564][ T6520] path_mount+0x5b4/0x1000 [ 223.555291][ T6520] __arm64_sys_mount+0x514/0x5e4 [ 223.556046][ T6520] invoke_syscall+0x98/0x2b8 [ 223.556728][ T6520] el0_svc_common+0x138/0x258 [ 223.557438][ T6520] do_el0_svc+0x58/0x14c [ 223.558051][ T6520] el0_svc+0x78/0x1e0 [ 223.558691][ T6520] el0t_64_sync_handler+0xcc/0xe4 [ 223.559484][ T6520] el0t_64_sync+0x1a0/0x1a4 [ 223.562034][ T6520] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 223.563973][ T6520] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 223.703718][ T6522] loop1: detected capacity change from 0 to 32768 [ 223.757999][ T6522] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 223.759234][ T6522] CPU: 1 PID: 6522 Comm: syz.1.619 Not tainted syzkaller #0 [ 223.760282][ T6522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.761660][ T6522] Call trace: [ 223.762145][ T6522] dump_backtrace+0x0/0x43c [ 223.762738][ T6522] show_stack+0x2c/0x3c [ 223.763295][ T6522] __dump_stack+0x30/0x40 [ 223.763999][ T6522] dump_stack_lvl+0xf8/0x160 [ 223.764763][ T6522] dump_stack+0x1c/0x5c [ 223.765377][ T6522] sysfs_create_dir_ns+0x22c/0x24c [ 223.766166][ T6522] kobject_add_internal+0x590/0xc54 [ 223.766906][ T6522] kobject_init_and_add+0x118/0x17c [ 223.767690][ T6522] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.768471][ T6522] gfs2_fill_super+0xdac/0x19e0 [ 223.769237][ T6522] get_tree_bdev+0x358/0x544 [ 223.769910][ T6522] gfs2_get_tree+0x54/0x1b4 [ 223.770596][ T6522] vfs_get_tree+0x90/0x274 [ 223.771269][ T6522] do_new_mount+0x228/0x810 [ 223.772001][ T6522] path_mount+0x5b4/0x1000 [ 223.772711][ T6522] __arm64_sys_mount+0x514/0x5e4 [ 223.773530][ T6522] invoke_syscall+0x98/0x2b8 [ 223.774310][ T6522] el0_svc_common+0x138/0x258 [ 223.775072][ T6522] do_el0_svc+0x58/0x14c [ 223.775784][ T6522] el0_svc+0x78/0x1e0 [ 223.776401][ T6522] el0t_64_sync_handler+0xcc/0xe4 [ 223.777196][ T6522] el0t_64_sync+0x1a0/0x1a4 [ 223.780327][ T6522] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 223.783642][ T6522] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 223.929497][ T6524] loop1: detected capacity change from 0 to 32768 [ 223.936326][ T148] device hsr_slave_0 left promiscuous mode [ 223.951544][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 223.952810][ T6524] CPU: 0 PID: 6524 Comm: syz.1.620 Not tainted syzkaller #0 [ 223.953971][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 223.955529][ T6524] Call trace: [ 223.956029][ T6524] dump_backtrace+0x0/0x43c [ 223.956749][ T6524] show_stack+0x2c/0x3c [ 223.957418][ T6524] __dump_stack+0x30/0x40 [ 223.958070][ T6524] dump_stack_lvl+0xf8/0x160 [ 223.958809][ T6524] dump_stack+0x1c/0x5c [ 223.959487][ T6524] sysfs_create_dir_ns+0x22c/0x24c [ 223.960272][ T6524] kobject_add_internal+0x590/0xc54 [ 223.961098][ T6524] kobject_init_and_add+0x118/0x17c [ 223.961904][ T6524] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.962642][ T6524] gfs2_fill_super+0xdac/0x19e0 [ 223.963415][ T6524] get_tree_bdev+0x358/0x544 [ 223.964121][ T6524] gfs2_get_tree+0x54/0x1b4 [ 223.964786][ T6524] vfs_get_tree+0x90/0x274 [ 223.965426][ T6524] do_new_mount+0x228/0x810 [ 223.966093][ T6524] path_mount+0x5b4/0x1000 [ 223.966808][ T6524] __arm64_sys_mount+0x514/0x5e4 [ 223.967538][ T6524] invoke_syscall+0x98/0x2b8 [ 223.968228][ T6524] el0_svc_common+0x138/0x258 [ 223.968823][ T6524] do_el0_svc+0x58/0x14c [ 223.969428][ T6524] el0_svc+0x78/0x1e0 [ 223.970025][ T6524] el0t_64_sync_handler+0xcc/0xe4 [ 223.970812][ T6524] el0t_64_sync+0x1a0/0x1a4 [ 223.972331][ T6524] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 223.974353][ T6524] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 224.001886][ T148] device hsr_slave_1 left promiscuous mode [ 224.023301][ T25] Bluetooth: hci2: command 0x0409 tx timeout [ 224.063987][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 224.065214][ T148] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 224.066713][ T148] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 224.067835][ T148] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 224.069271][ T148] device bridge_slave_1 left promiscuous mode [ 224.070228][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 224.111311][ T6526] loop1: detected capacity change from 0 to 32768 [ 224.121588][ T148] device bridge_slave_0 left promiscuous mode [ 224.122587][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 224.226394][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 224.227760][ T6526] CPU: 0 PID: 6526 Comm: syz.1.621 Not tainted syzkaller #0 [ 224.228871][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.230549][ T6526] Call trace: [ 224.231113][ T6526] dump_backtrace+0x0/0x43c [ 224.231820][ T6526] show_stack+0x2c/0x3c [ 224.232480][ T6526] __dump_stack+0x30/0x40 [ 224.233172][ T6526] dump_stack_lvl+0xf8/0x160 [ 224.233889][ T6526] dump_stack+0x1c/0x5c [ 224.234540][ T6526] sysfs_create_dir_ns+0x22c/0x24c [ 224.235353][ T6526] kobject_add_internal+0x590/0xc54 [ 224.236267][ T6526] kobject_init_and_add+0x118/0x17c [ 224.237043][ T6526] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.237808][ T6526] gfs2_fill_super+0xdac/0x19e0 [ 224.238619][ T6526] get_tree_bdev+0x358/0x544 [ 224.239300][ T6526] gfs2_get_tree+0x54/0x1b4 [ 224.240000][ T6526] vfs_get_tree+0x90/0x274 [ 224.240714][ T6526] do_new_mount+0x228/0x810 [ 224.241455][ T6526] path_mount+0x5b4/0x1000 [ 224.242140][ T6526] __arm64_sys_mount+0x514/0x5e4 [ 224.242914][ T6526] invoke_syscall+0x98/0x2b8 [ 224.243641][ T6526] el0_svc_common+0x138/0x258 [ 224.244403][ T6526] do_el0_svc+0x58/0x14c [ 224.245111][ T6526] el0_svc+0x78/0x1e0 [ 224.245779][ T6526] el0t_64_sync_handler+0xcc/0xe4 [ 224.246592][ T6526] el0t_64_sync+0x1a0/0x1a4 [ 224.248024][ T6526] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 224.250107][ T6526] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 224.272945][ T148] device veth1_macvtap left promiscuous mode [ 224.273990][ T148] device veth0_macvtap left promiscuous mode [ 224.275036][ T148] device veth1_vlan left promiscuous mode [ 224.275980][ T148] device veth0_vlan left promiscuous mode [ 224.383822][ T6528] loop1: detected capacity change from 0 to 32768 [ 224.385879][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 224.387849][ T6528] CPU: 0 PID: 6528 Comm: syz.1.622 Not tainted syzkaller #0 [ 224.388848][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.390482][ T6528] Call trace: [ 224.390995][ T6528] dump_backtrace+0x0/0x43c [ 224.391661][ T6528] show_stack+0x2c/0x3c [ 224.392289][ T6528] __dump_stack+0x30/0x40 [ 224.392984][ T6528] dump_stack_lvl+0xf8/0x160 [ 224.393738][ T6528] dump_stack+0x1c/0x5c [ 224.394465][ T6528] sysfs_create_dir_ns+0x22c/0x24c [ 224.395264][ T6528] kobject_add_internal+0x590/0xc54 [ 224.396135][ T6528] kobject_init_and_add+0x118/0x17c [ 224.396892][ T6528] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.397662][ T6528] gfs2_fill_super+0xdac/0x19e0 [ 224.398438][ T6528] get_tree_bdev+0x358/0x544 [ 224.399168][ T6528] gfs2_get_tree+0x54/0x1b4 [ 224.399885][ T6528] vfs_get_tree+0x90/0x274 [ 224.400635][ T6528] do_new_mount+0x228/0x810 [ 224.401331][ T6528] path_mount+0x5b4/0x1000 [ 224.402027][ T6528] __arm64_sys_mount+0x514/0x5e4 [ 224.402746][ T6528] invoke_syscall+0x98/0x2b8 [ 224.403472][ T6528] el0_svc_common+0x138/0x258 [ 224.404191][ T6528] do_el0_svc+0x58/0x14c [ 224.404790][ T6528] el0_svc+0x78/0x1e0 [ 224.405365][ T6528] el0t_64_sync_handler+0xcc/0xe4 [ 224.406212][ T6528] el0t_64_sync+0x1a0/0x1a4 [ 224.407186][ T6528] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 224.409399][ T6528] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 224.494606][ T148] team0 (unregistering): Port device team_slave_1 removed [ 224.501258][ T148] team0 (unregistering): Port device team_slave_0 removed [ 224.518018][ T148] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 224.541495][ T6530] loop1: detected capacity change from 0 to 32768 [ 224.555990][ T148] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 224.592052][ T6530] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 224.593309][ T6530] CPU: 0 PID: 6530 Comm: syz.1.623 Not tainted syzkaller #0 [ 224.594320][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.595723][ T6530] Call trace: [ 224.596194][ T6530] dump_backtrace+0x0/0x43c [ 224.596855][ T6530] show_stack+0x2c/0x3c [ 224.597462][ T6530] __dump_stack+0x30/0x40 [ 224.598065][ T6530] dump_stack_lvl+0xf8/0x160 [ 224.598762][ T6530] dump_stack+0x1c/0x5c [ 224.599484][ T6530] sysfs_create_dir_ns+0x22c/0x24c [ 224.600250][ T6530] kobject_add_internal+0x590/0xc54 [ 224.601036][ T6530] kobject_init_and_add+0x118/0x17c [ 224.601838][ T6530] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.602582][ T6530] gfs2_fill_super+0xdac/0x19e0 [ 224.603334][ T6530] get_tree_bdev+0x358/0x544 [ 224.604023][ T6530] gfs2_get_tree+0x54/0x1b4 [ 224.604757][ T6530] vfs_get_tree+0x90/0x274 [ 224.605473][ T6530] do_new_mount+0x228/0x810 [ 224.606184][ T6530] path_mount+0x5b4/0x1000 [ 224.606881][ T6530] __arm64_sys_mount+0x514/0x5e4 [ 224.607711][ T6530] invoke_syscall+0x98/0x2b8 [ 224.608417][ T6530] el0_svc_common+0x138/0x258 [ 224.609120][ T6530] do_el0_svc+0x58/0x14c [ 224.609807][ T6530] el0_svc+0x78/0x1e0 [ 224.610376][ T6530] el0t_64_sync_handler+0xcc/0xe4 [ 224.611093][ T6530] el0t_64_sync+0x1a0/0x1a4 [ 224.613338][ T6530] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 224.615207][ T6530] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 224.686020][ T148] bond0 (unregistering): Released all slaves [ 224.745988][ T6532] loop1: detected capacity change from 0 to 32768 [ 224.791843][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 224.793161][ T6532] CPU: 0 PID: 6532 Comm: syz.1.624 Not tainted syzkaller #0 [ 224.794355][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 224.795957][ T6532] Call trace: [ 224.796512][ T6532] dump_backtrace+0x0/0x43c [ 224.797219][ T6532] show_stack+0x2c/0x3c [ 224.797878][ T6532] __dump_stack+0x30/0x40 [ 224.798578][ T6532] dump_stack_lvl+0xf8/0x160 [ 224.799272][ T6532] dump_stack+0x1c/0x5c [ 224.799939][ T6532] sysfs_create_dir_ns+0x22c/0x24c [ 224.800723][ T6532] kobject_add_internal+0x590/0xc54 [ 224.801489][ T6532] kobject_init_and_add+0x118/0x17c [ 224.802286][ T6532] gfs2_sys_fs_add+0x1dc/0x3d8 [ 224.802989][ T6532] gfs2_fill_super+0xdac/0x19e0 [ 224.803709][ T6532] get_tree_bdev+0x358/0x544 [ 224.804395][ T6532] gfs2_get_tree+0x54/0x1b4 [ 224.805078][ T6532] vfs_get_tree+0x90/0x274 [ 224.805765][ T6532] do_new_mount+0x228/0x810 [ 224.806501][ T6532] path_mount+0x5b4/0x1000 [ 224.807168][ T6532] __arm64_sys_mount+0x514/0x5e4 [ 224.807930][ T6532] invoke_syscall+0x98/0x2b8 [ 224.808608][ T6532] el0_svc_common+0x138/0x258 [ 224.809330][ T6532] do_el0_svc+0x58/0x14c [ 224.810052][ T6532] el0_svc+0x78/0x1e0 [ 224.810685][ T6532] el0t_64_sync_handler+0xcc/0xe4 [ 224.811508][ T6532] el0t_64_sync+0x1a0/0x1a4 [ 224.821801][ T6532] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 224.823888][ T6532] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 224.995258][ T6534] loop1: detected capacity change from 0 to 32768 [ 225.051523][ T6534] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 225.052761][ T6534] CPU: 1 PID: 6534 Comm: syz.1.625 Not tainted syzkaller #0 [ 225.053833][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.055337][ T6534] Call trace: [ 225.055835][ T6534] dump_backtrace+0x0/0x43c [ 225.056480][ T6534] show_stack+0x2c/0x3c [ 225.057079][ T6534] __dump_stack+0x30/0x40 [ 225.057742][ T6534] dump_stack_lvl+0xf8/0x160 [ 225.058413][ T6534] dump_stack+0x1c/0x5c [ 225.059087][ T6534] sysfs_create_dir_ns+0x22c/0x24c [ 225.059916][ T6534] kobject_add_internal+0x590/0xc54 [ 225.060755][ T6534] kobject_init_and_add+0x118/0x17c [ 225.061604][ T6534] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.062303][ T6534] gfs2_fill_super+0xdac/0x19e0 [ 225.063117][ T6534] get_tree_bdev+0x358/0x544 [ 225.063751][ T6534] gfs2_get_tree+0x54/0x1b4 [ 225.064382][ T6534] vfs_get_tree+0x90/0x274 [ 225.065038][ T6534] do_new_mount+0x228/0x810 [ 225.065676][ T6534] path_mount+0x5b4/0x1000 [ 225.066271][ T6534] __arm64_sys_mount+0x514/0x5e4 [ 225.066967][ T6534] invoke_syscall+0x98/0x2b8 [ 225.067651][ T6534] el0_svc_common+0x138/0x258 [ 225.068323][ T6534] do_el0_svc+0x58/0x14c [ 225.068903][ T6534] el0_svc+0x78/0x1e0 [ 225.069487][ T6534] el0t_64_sync_handler+0xcc/0xe4 [ 225.070200][ T6534] el0t_64_sync+0x1a0/0x1a4 [ 225.076961][ T6534] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 225.078989][ T6534] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 225.217558][ T6536] loop1: detected capacity change from 0 to 32768 [ 225.306379][ T6536] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 225.307684][ T6536] CPU: 0 PID: 6536 Comm: syz.1.626 Not tainted syzkaller #0 [ 225.308862][ T6536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.310323][ T6536] Call trace: [ 225.310781][ T6536] dump_backtrace+0x0/0x43c [ 225.311515][ T6536] show_stack+0x2c/0x3c [ 225.312117][ T6536] __dump_stack+0x30/0x40 [ 225.312788][ T6536] dump_stack_lvl+0xf8/0x160 [ 225.313546][ T6536] dump_stack+0x1c/0x5c [ 225.314256][ T6536] sysfs_create_dir_ns+0x22c/0x24c [ 225.315074][ T6536] kobject_add_internal+0x590/0xc54 [ 225.315905][ T6536] kobject_init_and_add+0x118/0x17c [ 225.316736][ T6536] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.317554][ T6536] gfs2_fill_super+0xdac/0x19e0 [ 225.318313][ T6536] get_tree_bdev+0x358/0x544 [ 225.319000][ T6536] gfs2_get_tree+0x54/0x1b4 [ 225.319686][ T6536] vfs_get_tree+0x90/0x274 [ 225.320433][ T6536] do_new_mount+0x228/0x810 [ 225.321112][ T6536] path_mount+0x5b4/0x1000 [ 225.321820][ T6536] __arm64_sys_mount+0x514/0x5e4 [ 225.322608][ T6536] invoke_syscall+0x98/0x2b8 [ 225.323335][ T6536] el0_svc_common+0x138/0x258 [ 225.324128][ T6536] do_el0_svc+0x58/0x14c [ 225.324848][ T6536] el0_svc+0x78/0x1e0 [ 225.325441][ T6536] el0t_64_sync_handler+0xcc/0xe4 [ 225.326187][ T6536] el0t_64_sync+0x1a0/0x1a4 [ 225.328349][ T6536] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 225.330337][ T6536] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 225.472851][ T6538] loop1: detected capacity change from 0 to 32768 [ 225.561364][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 225.562588][ T6538] CPU: 0 PID: 6538 Comm: syz.1.627 Not tainted syzkaller #0 [ 225.563654][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.565170][ T6538] Call trace: [ 225.565677][ T6538] dump_backtrace+0x0/0x43c [ 225.566403][ T6538] show_stack+0x2c/0x3c [ 225.567010][ T6538] __dump_stack+0x30/0x40 [ 225.567661][ T6538] dump_stack_lvl+0xf8/0x160 [ 225.568356][ T6538] dump_stack+0x1c/0x5c [ 225.569000][ T6538] sysfs_create_dir_ns+0x22c/0x24c [ 225.569769][ T6538] kobject_add_internal+0x590/0xc54 [ 225.570624][ T6538] kobject_init_and_add+0x118/0x17c [ 225.571496][ T6538] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.572227][ T6538] gfs2_fill_super+0xdac/0x19e0 [ 225.572968][ T6538] get_tree_bdev+0x358/0x544 [ 225.573725][ T6538] gfs2_get_tree+0x54/0x1b4 [ 225.574443][ T6538] vfs_get_tree+0x90/0x274 [ 225.575195][ T6538] do_new_mount+0x228/0x810 [ 225.575893][ T6538] path_mount+0x5b4/0x1000 [ 225.576525][ T6538] __arm64_sys_mount+0x514/0x5e4 [ 225.577216][ T6538] invoke_syscall+0x98/0x2b8 [ 225.577855][ T6538] el0_svc_common+0x138/0x258 [ 225.578514][ T6538] do_el0_svc+0x58/0x14c [ 225.579172][ T6538] el0_svc+0x78/0x1e0 [ 225.579803][ T6538] el0t_64_sync_handler+0xcc/0xe4 [ 225.580600][ T6538] el0t_64_sync+0x1a0/0x1a4 [ 225.582768][ T6538] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 225.584784][ T6538] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 225.723489][ T6540] loop1: detected capacity change from 0 to 32768 [ 225.784690][ T6540] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 225.786032][ T6540] CPU: 1 PID: 6540 Comm: syz.1.628 Not tainted syzkaller #0 [ 225.787160][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.788768][ T6540] Call trace: [ 225.789296][ T6540] dump_backtrace+0x0/0x43c [ 225.790032][ T6540] show_stack+0x2c/0x3c [ 225.790647][ T6540] __dump_stack+0x30/0x40 [ 225.791313][ T6540] dump_stack_lvl+0xf8/0x160 [ 225.792110][ T6540] dump_stack+0x1c/0x5c [ 225.792769][ T6540] sysfs_create_dir_ns+0x22c/0x24c [ 225.793653][ T6540] kobject_add_internal+0x590/0xc54 [ 225.794519][ T6540] kobject_init_and_add+0x118/0x17c [ 225.795389][ T6540] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.796140][ T6540] gfs2_fill_super+0xdac/0x19e0 [ 225.796839][ T6540] get_tree_bdev+0x358/0x544 [ 225.797589][ T6540] gfs2_get_tree+0x54/0x1b4 [ 225.798359][ T6540] vfs_get_tree+0x90/0x274 [ 225.799088][ T6540] do_new_mount+0x228/0x810 [ 225.799821][ T6540] path_mount+0x5b4/0x1000 [ 225.800544][ T6540] __arm64_sys_mount+0x514/0x5e4 [ 225.801337][ T6540] invoke_syscall+0x98/0x2b8 [ 225.802126][ T6540] el0_svc_common+0x138/0x258 [ 225.802831][ T6540] do_el0_svc+0x58/0x14c [ 225.803499][ T6540] el0_svc+0x78/0x1e0 [ 225.804130][ T6540] el0t_64_sync_handler+0xcc/0xe4 [ 225.804880][ T6540] el0t_64_sync+0x1a0/0x1a4 [ 225.807514][ T6540] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 225.809548][ T6540] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 225.956236][ T6542] loop1: detected capacity change from 0 to 32768 [ 225.972776][ T6542] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 225.974066][ T6542] CPU: 0 PID: 6542 Comm: syz.1.629 Not tainted syzkaller #0 [ 225.975106][ T6542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 225.976532][ T6542] Call trace: [ 225.976998][ T6542] dump_backtrace+0x0/0x43c [ 225.977637][ T6542] show_stack+0x2c/0x3c [ 225.978249][ T6542] __dump_stack+0x30/0x40 [ 225.978845][ T6542] dump_stack_lvl+0xf8/0x160 [ 225.979468][ T6542] dump_stack+0x1c/0x5c [ 225.980080][ T6542] sysfs_create_dir_ns+0x22c/0x24c [ 225.980821][ T6542] kobject_add_internal+0x590/0xc54 [ 225.981612][ T6542] kobject_init_and_add+0x118/0x17c [ 225.982354][ T6542] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.983075][ T6542] gfs2_fill_super+0xdac/0x19e0 [ 225.983901][ T6542] get_tree_bdev+0x358/0x544 [ 225.984616][ T6542] gfs2_get_tree+0x54/0x1b4 [ 225.985282][ T6542] vfs_get_tree+0x90/0x274 [ 225.985960][ T6542] do_new_mount+0x228/0x810 [ 225.986696][ T6542] path_mount+0x5b4/0x1000 [ 225.987410][ T6542] __arm64_sys_mount+0x514/0x5e4 [ 225.988170][ T6542] invoke_syscall+0x98/0x2b8 [ 225.988895][ T6542] el0_svc_common+0x138/0x258 [ 225.989684][ T6542] do_el0_svc+0x58/0x14c [ 225.990380][ T6542] el0_svc+0x78/0x1e0 [ 225.991027][ T6542] el0t_64_sync_handler+0xcc/0xe4 [ 225.991873][ T6542] el0t_64_sync+0x1a0/0x1a4 [ 225.994463][ T6542] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 225.996671][ T6542] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 226.100954][ T4051] Bluetooth: hci2: command 0x041b tx timeout [ 226.209225][ T6544] loop1: detected capacity change from 0 to 32768 [ 226.281148][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 226.282312][ T6544] CPU: 1 PID: 6544 Comm: syz.1.630 Not tainted syzkaller #0 [ 226.283427][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.284990][ T6544] Call trace: [ 226.285520][ T6544] dump_backtrace+0x0/0x43c [ 226.286248][ T6544] show_stack+0x2c/0x3c [ 226.286880][ T6544] __dump_stack+0x30/0x40 [ 226.287587][ T6544] dump_stack_lvl+0xf8/0x160 [ 226.288227][ T6544] dump_stack+0x1c/0x5c [ 226.288917][ T6544] sysfs_create_dir_ns+0x22c/0x24c [ 226.289636][ T6544] kobject_add_internal+0x590/0xc54 [ 226.290485][ T6544] kobject_init_and_add+0x118/0x17c [ 226.291372][ T6544] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.292169][ T6544] gfs2_fill_super+0xdac/0x19e0 [ 226.292916][ T6544] get_tree_bdev+0x358/0x544 [ 226.293739][ T6544] gfs2_get_tree+0x54/0x1b4 [ 226.294432][ T6544] vfs_get_tree+0x90/0x274 [ 226.295147][ T6544] do_new_mount+0x228/0x810 [ 226.295827][ T6544] path_mount+0x5b4/0x1000 [ 226.296487][ T6544] __arm64_sys_mount+0x514/0x5e4 [ 226.297216][ T6544] invoke_syscall+0x98/0x2b8 [ 226.297856][ T6544] el0_svc_common+0x138/0x258 [ 226.298586][ T6544] do_el0_svc+0x58/0x14c [ 226.299273][ T6544] el0_svc+0x78/0x1e0 [ 226.299909][ T6544] el0t_64_sync_handler+0xcc/0xe4 [ 226.300695][ T6544] el0t_64_sync+0x1a0/0x1a4 [ 226.303242][ T6544] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 226.305197][ T6544] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 226.486620][ T6546] loop1: detected capacity change from 0 to 32768 [ 226.493057][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 226.494278][ T6546] CPU: 0 PID: 6546 Comm: syz.1.631 Not tainted syzkaller #0 [ 226.495467][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.497015][ T6546] Call trace: [ 226.497512][ T6546] dump_backtrace+0x0/0x43c [ 226.498210][ T6546] show_stack+0x2c/0x3c [ 226.498872][ T6546] __dump_stack+0x30/0x40 [ 226.499577][ T6546] dump_stack_lvl+0xf8/0x160 [ 226.500322][ T6546] dump_stack+0x1c/0x5c [ 226.500976][ T6546] sysfs_create_dir_ns+0x22c/0x24c [ 226.501714][ T6546] kobject_add_internal+0x590/0xc54 [ 226.502483][ T6546] kobject_init_and_add+0x118/0x17c [ 226.503246][ T6546] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.503965][ T6546] gfs2_fill_super+0xdac/0x19e0 [ 226.504671][ T6546] get_tree_bdev+0x358/0x544 [ 226.505418][ T6546] gfs2_get_tree+0x54/0x1b4 [ 226.506089][ T6546] vfs_get_tree+0x90/0x274 [ 226.506767][ T6546] do_new_mount+0x228/0x810 [ 226.507513][ T6546] path_mount+0x5b4/0x1000 [ 226.508213][ T6546] __arm64_sys_mount+0x514/0x5e4 [ 226.509022][ T6546] invoke_syscall+0x98/0x2b8 [ 226.509740][ T6546] el0_svc_common+0x138/0x258 [ 226.510486][ T6546] do_el0_svc+0x58/0x14c [ 226.511218][ T6546] el0_svc+0x78/0x1e0 [ 226.511864][ T6546] el0t_64_sync_handler+0xcc/0xe4 [ 226.512689][ T6546] el0t_64_sync+0x1a0/0x1a4 [ 226.514996][ T6546] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 226.517129][ T6546] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:46 executed programs: 618 [ 226.649905][ T6548] loop1: detected capacity change from 0 to 32768 [ 226.701469][ T6548] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 226.702793][ T6548] CPU: 0 PID: 6548 Comm: syz.1.632 Not tainted syzkaller #0 [ 226.703999][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.705502][ T6548] Call trace: [ 226.706026][ T6548] dump_backtrace+0x0/0x43c [ 226.706706][ T6548] show_stack+0x2c/0x3c [ 226.707404][ T6548] __dump_stack+0x30/0x40 [ 226.708097][ T6548] dump_stack_lvl+0xf8/0x160 [ 226.708768][ T6548] dump_stack+0x1c/0x5c [ 226.709438][ T6548] sysfs_create_dir_ns+0x22c/0x24c [ 226.710213][ T6548] kobject_add_internal+0x590/0xc54 [ 226.710999][ T6548] kobject_init_and_add+0x118/0x17c [ 226.711843][ T6548] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.712650][ T6548] gfs2_fill_super+0xdac/0x19e0 [ 226.713440][ T6548] get_tree_bdev+0x358/0x544 [ 226.714218][ T6548] gfs2_get_tree+0x54/0x1b4 [ 226.714931][ T6548] vfs_get_tree+0x90/0x274 [ 226.715634][ T6548] do_new_mount+0x228/0x810 [ 226.716324][ T6548] path_mount+0x5b4/0x1000 [ 226.716976][ T6548] __arm64_sys_mount+0x514/0x5e4 [ 226.717750][ T6548] invoke_syscall+0x98/0x2b8 [ 226.718499][ T6548] el0_svc_common+0x138/0x258 [ 226.719293][ T6548] do_el0_svc+0x58/0x14c [ 226.720036][ T6548] el0_svc+0x78/0x1e0 [ 226.720654][ T6548] el0t_64_sync_handler+0xcc/0xe4 [ 226.721503][ T6548] el0t_64_sync+0x1a0/0x1a4 [ 226.723689][ T6548] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 226.725595][ T6548] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 226.868258][ T6550] loop1: detected capacity change from 0 to 32768 [ 226.875296][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 226.876397][ T6550] CPU: 1 PID: 6550 Comm: syz.1.633 Not tainted syzkaller #0 [ 226.877501][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 226.879088][ T6550] Call trace: [ 226.879580][ T6550] dump_backtrace+0x0/0x43c [ 226.880296][ T6550] show_stack+0x2c/0x3c [ 226.881014][ T6550] __dump_stack+0x30/0x40 [ 226.881753][ T6550] dump_stack_lvl+0xf8/0x160 [ 226.882441][ T6550] dump_stack+0x1c/0x5c [ 226.883187][ T6550] sysfs_create_dir_ns+0x22c/0x24c [ 226.884025][ T6550] kobject_add_internal+0x590/0xc54 [ 226.884850][ T6550] kobject_init_and_add+0x118/0x17c [ 226.885666][ T6550] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.886474][ T6550] gfs2_fill_super+0xdac/0x19e0 [ 226.887248][ T6550] get_tree_bdev+0x358/0x544 [ 226.887955][ T6550] gfs2_get_tree+0x54/0x1b4 [ 226.888673][ T6550] vfs_get_tree+0x90/0x274 [ 226.889365][ T6550] do_new_mount+0x228/0x810 [ 226.890052][ T6550] path_mount+0x5b4/0x1000 [ 226.890718][ T6550] __arm64_sys_mount+0x514/0x5e4 [ 226.891532][ T6550] invoke_syscall+0x98/0x2b8 [ 226.892287][ T6550] el0_svc_common+0x138/0x258 [ 226.893009][ T6550] do_el0_svc+0x58/0x14c [ 226.893710][ T6550] el0_svc+0x78/0x1e0 [ 226.894377][ T6550] el0t_64_sync_handler+0xcc/0xe4 [ 226.895196][ T6550] el0t_64_sync+0x1a0/0x1a4 [ 226.896335][ T6550] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 226.898301][ T6550] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 227.030015][ T6552] loop1: detected capacity change from 0 to 32768 [ 227.076039][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 227.077343][ T6552] CPU: 1 PID: 6552 Comm: syz.1.634 Not tainted syzkaller #0 [ 227.078435][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.079901][ T6552] Call trace: [ 227.080375][ T6552] dump_backtrace+0x0/0x43c [ 227.081050][ T6552] show_stack+0x2c/0x3c [ 227.081700][ T6552] __dump_stack+0x30/0x40 [ 227.082322][ T6552] dump_stack_lvl+0xf8/0x160 [ 227.082974][ T6552] dump_stack+0x1c/0x5c [ 227.083549][ T6552] sysfs_create_dir_ns+0x22c/0x24c [ 227.084268][ T6552] kobject_add_internal+0x590/0xc54 [ 227.085131][ T6552] kobject_init_and_add+0x118/0x17c [ 227.085941][ T6552] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.086731][ T6552] gfs2_fill_super+0xdac/0x19e0 [ 227.087524][ T6552] get_tree_bdev+0x358/0x544 [ 227.088308][ T6552] gfs2_get_tree+0x54/0x1b4 [ 227.089080][ T6552] vfs_get_tree+0x90/0x274 [ 227.089836][ T6552] do_new_mount+0x228/0x810 [ 227.090548][ T6552] path_mount+0x5b4/0x1000 [ 227.091272][ T6552] __arm64_sys_mount+0x514/0x5e4 [ 227.092108][ T6552] invoke_syscall+0x98/0x2b8 [ 227.092869][ T6552] el0_svc_common+0x138/0x258 [ 227.093651][ T6552] do_el0_svc+0x58/0x14c [ 227.094353][ T6552] el0_svc+0x78/0x1e0 [ 227.094999][ T6552] el0t_64_sync_handler+0xcc/0xe4 [ 227.095810][ T6552] el0t_64_sync+0x1a0/0x1a4 [ 227.097102][ T6552] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 227.099053][ T6552] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 227.263714][ T6554] loop1: detected capacity change from 0 to 32768 [ 227.366240][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 227.367448][ T6554] CPU: 0 PID: 6554 Comm: syz.1.635 Not tainted syzkaller #0 [ 227.368572][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.370171][ T6554] Call trace: [ 227.370664][ T6554] dump_backtrace+0x0/0x43c [ 227.371437][ T6554] show_stack+0x2c/0x3c [ 227.372106][ T6554] __dump_stack+0x30/0x40 [ 227.372776][ T6554] dump_stack_lvl+0xf8/0x160 [ 227.373519][ T6554] dump_stack+0x1c/0x5c [ 227.374127][ T6554] sysfs_create_dir_ns+0x22c/0x24c [ 227.374926][ T6554] kobject_add_internal+0x590/0xc54 [ 227.375755][ T6554] kobject_init_and_add+0x118/0x17c [ 227.376562][ T6554] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.377354][ T6554] gfs2_fill_super+0xdac/0x19e0 [ 227.378190][ T6554] get_tree_bdev+0x358/0x544 [ 227.378986][ T6554] gfs2_get_tree+0x54/0x1b4 [ 227.379722][ T6554] vfs_get_tree+0x90/0x274 [ 227.380439][ T6554] do_new_mount+0x228/0x810 [ 227.381181][ T6554] path_mount+0x5b4/0x1000 [ 227.381895][ T6554] __arm64_sys_mount+0x514/0x5e4 [ 227.382747][ T6554] invoke_syscall+0x98/0x2b8 [ 227.383492][ T6554] el0_svc_common+0x138/0x258 [ 227.384306][ T6554] do_el0_svc+0x58/0x14c [ 227.385047][ T6554] el0_svc+0x78/0x1e0 [ 227.385704][ T6554] el0t_64_sync_handler+0xcc/0xe4 [ 227.386449][ T6554] el0t_64_sync+0x1a0/0x1a4 [ 227.388216][ T6554] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 227.390339][ T6554] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 227.527272][ T6556] loop1: detected capacity change from 0 to 32768 [ 227.551567][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 227.552924][ T6556] CPU: 0 PID: 6556 Comm: syz.1.636 Not tainted syzkaller #0 [ 227.554110][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.555734][ T6556] Call trace: [ 227.556278][ T6556] dump_backtrace+0x0/0x43c [ 227.556981][ T6556] show_stack+0x2c/0x3c [ 227.557717][ T6556] __dump_stack+0x30/0x40 [ 227.558455][ T6556] dump_stack_lvl+0xf8/0x160 [ 227.559238][ T6556] dump_stack+0x1c/0x5c [ 227.559948][ T6556] sysfs_create_dir_ns+0x22c/0x24c [ 227.560783][ T6556] kobject_add_internal+0x590/0xc54 [ 227.561619][ T6556] kobject_init_and_add+0x118/0x17c [ 227.562506][ T6556] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.563281][ T6556] gfs2_fill_super+0xdac/0x19e0 [ 227.564087][ T6556] get_tree_bdev+0x358/0x544 [ 227.564812][ T6556] gfs2_get_tree+0x54/0x1b4 [ 227.565596][ T6556] vfs_get_tree+0x90/0x274 [ 227.566393][ T6556] do_new_mount+0x228/0x810 [ 227.567159][ T6556] path_mount+0x5b4/0x1000 [ 227.567927][ T6556] __arm64_sys_mount+0x514/0x5e4 [ 227.568698][ T6556] invoke_syscall+0x98/0x2b8 [ 227.569456][ T6556] el0_svc_common+0x138/0x258 [ 227.570132][ T6556] do_el0_svc+0x58/0x14c [ 227.570763][ T6556] el0_svc+0x78/0x1e0 [ 227.571354][ T6556] el0t_64_sync_handler+0xcc/0xe4 [ 227.572108][ T6556] el0t_64_sync+0x1a0/0x1a4 [ 227.574383][ T6556] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 227.576407][ T6556] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 227.712768][ T6558] loop1: detected capacity change from 0 to 32768 [ 227.752050][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 227.753266][ T6558] CPU: 0 PID: 6558 Comm: syz.1.637 Not tainted syzkaller #0 [ 227.754300][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.755718][ T6558] Call trace: [ 227.756169][ T6558] dump_backtrace+0x0/0x43c [ 227.756733][ T6558] show_stack+0x2c/0x3c [ 227.757329][ T6558] __dump_stack+0x30/0x40 [ 227.758037][ T6558] dump_stack_lvl+0xf8/0x160 [ 227.758732][ T6558] dump_stack+0x1c/0x5c [ 227.759365][ T6558] sysfs_create_dir_ns+0x22c/0x24c [ 227.760211][ T6558] kobject_add_internal+0x590/0xc54 [ 227.761011][ T6558] kobject_init_and_add+0x118/0x17c [ 227.761874][ T6558] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.762636][ T6558] gfs2_fill_super+0xdac/0x19e0 [ 227.763397][ T6558] get_tree_bdev+0x358/0x544 [ 227.764101][ T6558] gfs2_get_tree+0x54/0x1b4 [ 227.764866][ T6558] vfs_get_tree+0x90/0x274 [ 227.765592][ T6558] do_new_mount+0x228/0x810 [ 227.766313][ T6558] path_mount+0x5b4/0x1000 [ 227.767003][ T6558] __arm64_sys_mount+0x514/0x5e4 [ 227.767846][ T6558] invoke_syscall+0x98/0x2b8 [ 227.768550][ T6558] el0_svc_common+0x138/0x258 [ 227.769374][ T6558] do_el0_svc+0x58/0x14c [ 227.770083][ T6558] el0_svc+0x78/0x1e0 [ 227.770688][ T6558] el0t_64_sync_handler+0xcc/0xe4 [ 227.771521][ T6558] el0t_64_sync+0x1a0/0x1a4 [ 227.774578][ T6558] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 227.776630][ T6558] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 227.914781][ T6560] loop1: detected capacity change from 0 to 32768 [ 227.919589][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 227.920842][ T6560] CPU: 0 PID: 6560 Comm: syz.1.638 Not tainted syzkaller #0 [ 227.922038][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 227.923666][ T6560] Call trace: [ 227.924204][ T6560] dump_backtrace+0x0/0x43c [ 227.924983][ T6560] show_stack+0x2c/0x3c [ 227.925703][ T6560] __dump_stack+0x30/0x40 [ 227.926453][ T6560] dump_stack_lvl+0xf8/0x160 [ 227.927253][ T6560] dump_stack+0x1c/0x5c [ 227.927948][ T6560] sysfs_create_dir_ns+0x22c/0x24c [ 227.928800][ T6560] kobject_add_internal+0x590/0xc54 [ 227.929571][ T6560] kobject_init_and_add+0x118/0x17c [ 227.930419][ T6560] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.931148][ T6560] gfs2_fill_super+0xdac/0x19e0 [ 227.931934][ T6560] get_tree_bdev+0x358/0x544 [ 227.932696][ T6560] gfs2_get_tree+0x54/0x1b4 [ 227.933430][ T6560] vfs_get_tree+0x90/0x274 [ 227.934175][ T6560] do_new_mount+0x228/0x810 [ 227.934939][ T6560] path_mount+0x5b4/0x1000 [ 227.935672][ T6560] __arm64_sys_mount+0x514/0x5e4 [ 227.936478][ T6560] invoke_syscall+0x98/0x2b8 [ 227.937214][ T6560] el0_svc_common+0x138/0x258 [ 227.937950][ T6560] do_el0_svc+0x58/0x14c [ 227.938684][ T6560] el0_svc+0x78/0x1e0 [ 227.939341][ T6560] el0t_64_sync_handler+0xcc/0xe4 [ 227.940133][ T6560] el0t_64_sync+0x1a0/0x1a4 [ 227.941112][ T6560] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 227.943177][ T6560] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 228.077937][ T6562] loop1: detected capacity change from 0 to 32768 [ 228.121527][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 228.122907][ T6562] CPU: 1 PID: 6562 Comm: syz.1.639 Not tainted syzkaller #0 [ 228.124076][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.125521][ T6562] Call trace: [ 228.125972][ T6562] dump_backtrace+0x0/0x43c [ 228.126604][ T6562] show_stack+0x2c/0x3c [ 228.127224][ T6562] __dump_stack+0x30/0x40 [ 228.127875][ T6562] dump_stack_lvl+0xf8/0x160 [ 228.128603][ T6562] dump_stack+0x1c/0x5c [ 228.129261][ T6562] sysfs_create_dir_ns+0x22c/0x24c [ 228.129991][ T6562] kobject_add_internal+0x590/0xc54 [ 228.130765][ T6562] kobject_init_and_add+0x118/0x17c [ 228.131528][ T6562] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.132232][ T6562] gfs2_fill_super+0xdac/0x19e0 [ 228.133039][ T6562] get_tree_bdev+0x358/0x544 [ 228.133802][ T6562] gfs2_get_tree+0x54/0x1b4 [ 228.134538][ T6562] vfs_get_tree+0x90/0x274 [ 228.135264][ T6562] do_new_mount+0x228/0x810 [ 228.135957][ T6562] path_mount+0x5b4/0x1000 [ 228.136641][ T6562] __arm64_sys_mount+0x514/0x5e4 [ 228.137378][ T6562] invoke_syscall+0x98/0x2b8 [ 228.138049][ T6562] el0_svc_common+0x138/0x258 [ 228.138824][ T6562] do_el0_svc+0x58/0x14c [ 228.139591][ T6562] el0_svc+0x78/0x1e0 [ 228.140223][ T6562] el0t_64_sync_handler+0xcc/0xe4 [ 228.140950][ T6562] el0t_64_sync+0x1a0/0x1a4 [ 228.143157][ T6562] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 228.145093][ T6562] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 228.190912][ T4051] Bluetooth: hci2: command 0x040f tx timeout [ 228.275535][ T6564] loop1: detected capacity change from 0 to 32768 [ 228.321372][ T6564] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 228.322679][ T6564] CPU: 1 PID: 6564 Comm: syz.1.640 Not tainted syzkaller #0 [ 228.323815][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.325236][ T6564] Call trace: [ 228.325680][ T6564] dump_backtrace+0x0/0x43c [ 228.326347][ T6564] show_stack+0x2c/0x3c [ 228.326998][ T6564] __dump_stack+0x30/0x40 [ 228.327612][ T6564] dump_stack_lvl+0xf8/0x160 [ 228.328294][ T6564] dump_stack+0x1c/0x5c [ 228.328910][ T6564] sysfs_create_dir_ns+0x22c/0x24c [ 228.329726][ T6564] kobject_add_internal+0x590/0xc54 [ 228.330493][ T6564] kobject_init_and_add+0x118/0x17c [ 228.331304][ T6564] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.332045][ T6564] gfs2_fill_super+0xdac/0x19e0 [ 228.332876][ T6564] get_tree_bdev+0x358/0x544 [ 228.333619][ T6564] gfs2_get_tree+0x54/0x1b4 [ 228.334263][ T6564] vfs_get_tree+0x90/0x274 [ 228.334893][ T6564] do_new_mount+0x228/0x810 [ 228.335543][ T6564] path_mount+0x5b4/0x1000 [ 228.336258][ T6564] __arm64_sys_mount+0x514/0x5e4 [ 228.337015][ T6564] invoke_syscall+0x98/0x2b8 [ 228.337692][ T6564] el0_svc_common+0x138/0x258 [ 228.338386][ T6564] do_el0_svc+0x58/0x14c [ 228.338954][ T6564] el0_svc+0x78/0x1e0 [ 228.339569][ T6564] el0t_64_sync_handler+0xcc/0xe4 [ 228.340292][ T6564] el0t_64_sync+0x1a0/0x1a4 [ 228.341659][ T6564] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 228.343593][ T6564] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 228.474507][ T6566] loop1: detected capacity change from 0 to 32768 [ 228.481607][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 228.482723][ T6566] CPU: 1 PID: 6566 Comm: syz.1.641 Not tainted syzkaller #0 [ 228.483744][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.485207][ T6566] Call trace: [ 228.485677][ T6566] dump_backtrace+0x0/0x43c [ 228.486305][ T6566] show_stack+0x2c/0x3c [ 228.486900][ T6566] __dump_stack+0x30/0x40 [ 228.487555][ T6566] dump_stack_lvl+0xf8/0x160 [ 228.488220][ T6566] dump_stack+0x1c/0x5c [ 228.488792][ T6566] sysfs_create_dir_ns+0x22c/0x24c [ 228.489550][ T6566] kobject_add_internal+0x590/0xc54 [ 228.490364][ T6566] kobject_init_and_add+0x118/0x17c [ 228.491255][ T6566] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.492044][ T6566] gfs2_fill_super+0xdac/0x19e0 [ 228.492829][ T6566] get_tree_bdev+0x358/0x544 [ 228.493588][ T6566] gfs2_get_tree+0x54/0x1b4 [ 228.494305][ T6566] vfs_get_tree+0x90/0x274 [ 228.494991][ T6566] do_new_mount+0x228/0x810 [ 228.495743][ T6566] path_mount+0x5b4/0x1000 [ 228.496437][ T6566] __arm64_sys_mount+0x514/0x5e4 [ 228.497238][ T6566] invoke_syscall+0x98/0x2b8 [ 228.497975][ T6566] el0_svc_common+0x138/0x258 [ 228.498685][ T6566] do_el0_svc+0x58/0x14c [ 228.499311][ T6566] el0_svc+0x78/0x1e0 [ 228.499875][ T6566] el0t_64_sync_handler+0xcc/0xe4 [ 228.500611][ T6566] el0t_64_sync+0x1a0/0x1a4 [ 228.501691][ T6566] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 228.503706][ T6566] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 228.659228][ T6568] loop1: detected capacity change from 0 to 32768 [ 228.691511][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 228.692715][ T6568] CPU: 1 PID: 6568 Comm: syz.1.642 Not tainted syzkaller #0 [ 228.693897][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.695518][ T6568] Call trace: [ 228.696065][ T6568] dump_backtrace+0x0/0x43c [ 228.696800][ T6568] show_stack+0x2c/0x3c [ 228.697471][ T6568] __dump_stack+0x30/0x40 [ 228.698177][ T6568] dump_stack_lvl+0xf8/0x160 [ 228.698909][ T6568] dump_stack+0x1c/0x5c [ 228.699567][ T6568] sysfs_create_dir_ns+0x22c/0x24c [ 228.700355][ T6568] kobject_add_internal+0x590/0xc54 [ 228.701140][ T6568] kobject_init_and_add+0x118/0x17c [ 228.701974][ T6568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.702791][ T6568] gfs2_fill_super+0xdac/0x19e0 [ 228.703541][ T6568] get_tree_bdev+0x358/0x544 [ 228.704294][ T6568] gfs2_get_tree+0x54/0x1b4 [ 228.705024][ T6568] vfs_get_tree+0x90/0x274 [ 228.705747][ T6568] do_new_mount+0x228/0x810 [ 228.706519][ T6568] path_mount+0x5b4/0x1000 [ 228.707267][ T6568] __arm64_sys_mount+0x514/0x5e4 [ 228.708053][ T6568] invoke_syscall+0x98/0x2b8 [ 228.708805][ T6568] el0_svc_common+0x138/0x258 [ 228.709567][ T6568] do_el0_svc+0x58/0x14c [ 228.710229][ T6568] el0_svc+0x78/0x1e0 [ 228.710890][ T6568] el0t_64_sync_handler+0xcc/0xe4 [ 228.711684][ T6568] el0t_64_sync+0x1a0/0x1a4 [ 228.712880][ T6568] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 228.714869][ T6568] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 228.847679][ T6570] loop1: detected capacity change from 0 to 32768 [ 228.924978][ T6570] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 228.926291][ T6570] CPU: 1 PID: 6570 Comm: syz.1.643 Not tainted syzkaller #0 [ 228.927331][ T6570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 228.928925][ T6570] Call trace: [ 228.929445][ T6570] dump_backtrace+0x0/0x43c [ 228.930178][ T6570] show_stack+0x2c/0x3c [ 228.930881][ T6570] __dump_stack+0x30/0x40 [ 228.931605][ T6570] dump_stack_lvl+0xf8/0x160 [ 228.932351][ T6570] dump_stack+0x1c/0x5c [ 228.933080][ T6570] sysfs_create_dir_ns+0x22c/0x24c [ 228.933890][ T6570] kobject_add_internal+0x590/0xc54 [ 228.934762][ T6570] kobject_init_and_add+0x118/0x17c [ 228.935579][ T6570] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.936350][ T6570] gfs2_fill_super+0xdac/0x19e0 [ 228.937166][ T6570] get_tree_bdev+0x358/0x544 [ 228.937937][ T6570] gfs2_get_tree+0x54/0x1b4 [ 228.938612][ T6570] vfs_get_tree+0x90/0x274 [ 228.939271][ T6570] do_new_mount+0x228/0x810 [ 228.939977][ T6570] path_mount+0x5b4/0x1000 [ 228.940693][ T6570] __arm64_sys_mount+0x514/0x5e4 [ 228.941461][ T6570] invoke_syscall+0x98/0x2b8 [ 228.942250][ T6570] el0_svc_common+0x138/0x258 [ 228.942975][ T6570] do_el0_svc+0x58/0x14c [ 228.943667][ T6570] el0_svc+0x78/0x1e0 [ 228.944303][ T6570] el0t_64_sync_handler+0xcc/0xe4 [ 228.945104][ T6570] el0t_64_sync+0x1a0/0x1a4 [ 228.947336][ T6570] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 228.949384][ T6570] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 229.090888][ T6572] loop1: detected capacity change from 0 to 32768 [ 229.181176][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 229.182483][ T6572] CPU: 1 PID: 6572 Comm: syz.1.644 Not tainted syzkaller #0 [ 229.183552][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.184905][ T6572] Call trace: [ 229.185346][ T6572] dump_backtrace+0x0/0x43c [ 229.185972][ T6572] show_stack+0x2c/0x3c [ 229.186564][ T6572] __dump_stack+0x30/0x40 [ 229.187173][ T6572] dump_stack_lvl+0xf8/0x160 [ 229.187877][ T6572] dump_stack+0x1c/0x5c [ 229.188526][ T6572] sysfs_create_dir_ns+0x22c/0x24c [ 229.189287][ T6572] kobject_add_internal+0x590/0xc54 [ 229.190079][ T6572] kobject_init_and_add+0x118/0x17c [ 229.190783][ T6572] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.191528][ T6572] gfs2_fill_super+0xdac/0x19e0 [ 229.192309][ T6572] get_tree_bdev+0x358/0x544 [ 229.193024][ T6572] gfs2_get_tree+0x54/0x1b4 [ 229.193761][ T6572] vfs_get_tree+0x90/0x274 [ 229.194459][ T6572] do_new_mount+0x228/0x810 [ 229.195206][ T6572] path_mount+0x5b4/0x1000 [ 229.195936][ T6572] __arm64_sys_mount+0x514/0x5e4 [ 229.196706][ T6572] invoke_syscall+0x98/0x2b8 [ 229.197449][ T6572] el0_svc_common+0x138/0x258 [ 229.198163][ T6572] do_el0_svc+0x58/0x14c [ 229.198849][ T6572] el0_svc+0x78/0x1e0 [ 229.199488][ T6572] el0t_64_sync_handler+0xcc/0xe4 [ 229.200304][ T6572] el0t_64_sync+0x1a0/0x1a4 [ 229.202775][ T6572] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 229.204821][ T6572] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 229.416794][ T6574] loop1: detected capacity change from 0 to 32768 [ 229.451485][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 229.452780][ T6574] CPU: 0 PID: 6574 Comm: syz.1.645 Not tainted syzkaller #0 [ 229.453987][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.455523][ T6574] Call trace: [ 229.455999][ T6574] dump_backtrace+0x0/0x43c [ 229.456645][ T6574] show_stack+0x2c/0x3c [ 229.457282][ T6574] __dump_stack+0x30/0x40 [ 229.457870][ T6574] dump_stack_lvl+0xf8/0x160 [ 229.458519][ T6574] dump_stack+0x1c/0x5c [ 229.459107][ T6574] sysfs_create_dir_ns+0x22c/0x24c [ 229.459822][ T6574] kobject_add_internal+0x590/0xc54 [ 229.460587][ T6574] kobject_init_and_add+0x118/0x17c [ 229.461359][ T6574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.462071][ T6574] gfs2_fill_super+0xdac/0x19e0 [ 229.462822][ T6574] get_tree_bdev+0x358/0x544 [ 229.463551][ T6574] gfs2_get_tree+0x54/0x1b4 [ 229.464174][ T6574] vfs_get_tree+0x90/0x274 [ 229.464857][ T6574] do_new_mount+0x228/0x810 [ 229.465539][ T6574] path_mount+0x5b4/0x1000 [ 229.466205][ T6574] __arm64_sys_mount+0x514/0x5e4 [ 229.466936][ T6574] invoke_syscall+0x98/0x2b8 [ 229.467595][ T6574] el0_svc_common+0x138/0x258 [ 229.468299][ T6574] do_el0_svc+0x58/0x14c [ 229.469061][ T6574] el0_svc+0x78/0x1e0 [ 229.469732][ T6574] el0t_64_sync_handler+0xcc/0xe4 [ 229.470544][ T6574] el0t_64_sync+0x1a0/0x1a4 [ 229.471369][ T6574] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 229.473619][ T6574] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 229.603859][ T6576] loop1: detected capacity change from 0 to 32768 [ 229.641561][ T6576] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 229.642854][ T6576] CPU: 1 PID: 6576 Comm: syz.1.646 Not tainted syzkaller #0 [ 229.644009][ T6576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.645542][ T6576] Call trace: [ 229.646046][ T6576] dump_backtrace+0x0/0x43c [ 229.646760][ T6576] show_stack+0x2c/0x3c [ 229.647373][ T6576] __dump_stack+0x30/0x40 [ 229.648012][ T6576] dump_stack_lvl+0xf8/0x160 [ 229.648736][ T6576] dump_stack+0x1c/0x5c [ 229.649440][ T6576] sysfs_create_dir_ns+0x22c/0x24c [ 229.650304][ T6576] kobject_add_internal+0x590/0xc54 [ 229.651196][ T6576] kobject_init_and_add+0x118/0x17c [ 229.652071][ T6576] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.652845][ T6576] gfs2_fill_super+0xdac/0x19e0 [ 229.653606][ T6576] get_tree_bdev+0x358/0x544 [ 229.654356][ T6576] gfs2_get_tree+0x54/0x1b4 [ 229.655072][ T6576] vfs_get_tree+0x90/0x274 [ 229.655823][ T6576] do_new_mount+0x228/0x810 [ 229.656541][ T6576] path_mount+0x5b4/0x1000 [ 229.657282][ T6576] __arm64_sys_mount+0x514/0x5e4 [ 229.658036][ T6576] invoke_syscall+0x98/0x2b8 [ 229.658725][ T6576] el0_svc_common+0x138/0x258 [ 229.659494][ T6576] do_el0_svc+0x58/0x14c [ 229.660090][ T6576] el0_svc+0x78/0x1e0 [ 229.660697][ T6576] el0t_64_sync_handler+0xcc/0xe4 [ 229.661396][ T6576] el0t_64_sync+0x1a0/0x1a4 [ 229.664010][ T6576] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 229.666041][ T6576] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 229.805222][ T6578] loop1: detected capacity change from 0 to 32768 [ 229.841490][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 229.842793][ T6578] CPU: 1 PID: 6578 Comm: syz.1.647 Not tainted syzkaller #0 [ 229.843997][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 229.845609][ T6578] Call trace: [ 229.846151][ T6578] dump_backtrace+0x0/0x43c [ 229.846900][ T6578] show_stack+0x2c/0x3c [ 229.847644][ T6578] __dump_stack+0x30/0x40 [ 229.848376][ T6578] dump_stack_lvl+0xf8/0x160 [ 229.849112][ T6578] dump_stack+0x1c/0x5c [ 229.849754][ T6578] sysfs_create_dir_ns+0x22c/0x24c [ 229.850548][ T6578] kobject_add_internal+0x590/0xc54 [ 229.851384][ T6578] kobject_init_and_add+0x118/0x17c [ 229.852195][ T6578] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.852991][ T6578] gfs2_fill_super+0xdac/0x19e0 [ 229.853745][ T6578] get_tree_bdev+0x358/0x544 [ 229.854501][ T6578] gfs2_get_tree+0x54/0x1b4 [ 229.855218][ T6578] vfs_get_tree+0x90/0x274 [ 229.855961][ T6578] do_new_mount+0x228/0x810 [ 229.856754][ T6578] path_mount+0x5b4/0x1000 [ 229.857455][ T6578] __arm64_sys_mount+0x514/0x5e4 [ 229.858285][ T6578] invoke_syscall+0x98/0x2b8 [ 229.859120][ T6578] el0_svc_common+0x138/0x258 [ 229.859865][ T6578] do_el0_svc+0x58/0x14c [ 229.860480][ T6578] el0_svc+0x78/0x1e0 [ 229.861088][ T6578] el0t_64_sync_handler+0xcc/0xe4 [ 229.861843][ T6578] el0t_64_sync+0x1a0/0x1a4 [ 229.868004][ T6578] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 229.870203][ T6578] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 230.006659][ T6580] loop1: detected capacity change from 0 to 32768 [ 230.014265][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 230.015471][ T6580] CPU: 1 PID: 6580 Comm: syz.1.648 Not tainted syzkaller #0 [ 230.016674][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.018285][ T6580] Call trace: [ 230.018780][ T6580] dump_backtrace+0x0/0x43c [ 230.019483][ T6580] show_stack+0x2c/0x3c [ 230.020097][ T6580] __dump_stack+0x30/0x40 [ 230.020760][ T6580] dump_stack_lvl+0xf8/0x160 [ 230.021537][ T6580] dump_stack+0x1c/0x5c [ 230.022186][ T6580] sysfs_create_dir_ns+0x22c/0x24c [ 230.022933][ T6580] kobject_add_internal+0x590/0xc54 [ 230.023764][ T6580] kobject_init_and_add+0x118/0x17c [ 230.024576][ T6580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.025341][ T6580] gfs2_fill_super+0xdac/0x19e0 [ 230.026150][ T6580] get_tree_bdev+0x358/0x544 [ 230.026894][ T6580] gfs2_get_tree+0x54/0x1b4 [ 230.027651][ T6580] vfs_get_tree+0x90/0x274 [ 230.028437][ T6580] do_new_mount+0x228/0x810 [ 230.029183][ T6580] path_mount+0x5b4/0x1000 [ 230.029859][ T6580] __arm64_sys_mount+0x514/0x5e4 [ 230.030631][ T6580] invoke_syscall+0x98/0x2b8 [ 230.031378][ T6580] el0_svc_common+0x138/0x258 [ 230.032062][ T6580] do_el0_svc+0x58/0x14c [ 230.032717][ T6580] el0_svc+0x78/0x1e0 [ 230.033267][ T6580] el0t_64_sync_handler+0xcc/0xe4 [ 230.034029][ T6580] el0t_64_sync+0x1a0/0x1a4 [ 230.035800][ T6580] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 230.037746][ T6580] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 230.170989][ T6582] loop1: detected capacity change from 0 to 32768 [ 230.273703][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 230.274936][ T6582] CPU: 0 PID: 6582 Comm: syz.1.649 Not tainted syzkaller #0 [ 230.275208][ T4051] Bluetooth: hci2: command 0x0419 tx timeout [ 230.275946][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.278266][ T6582] Call trace: [ 230.278742][ T6582] dump_backtrace+0x0/0x43c [ 230.279483][ T6582] show_stack+0x2c/0x3c [ 230.280086][ T6582] __dump_stack+0x30/0x40 [ 230.280761][ T6582] dump_stack_lvl+0xf8/0x160 [ 230.281540][ T6582] dump_stack+0x1c/0x5c [ 230.282254][ T6582] sysfs_create_dir_ns+0x22c/0x24c [ 230.283011][ T6582] kobject_add_internal+0x590/0xc54 [ 230.283892][ T6582] kobject_init_and_add+0x118/0x17c [ 230.284756][ T6582] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.285543][ T6582] gfs2_fill_super+0xdac/0x19e0 [ 230.286325][ T6582] get_tree_bdev+0x358/0x544 [ 230.287090][ T6582] gfs2_get_tree+0x54/0x1b4 [ 230.287792][ T6582] vfs_get_tree+0x90/0x274 [ 230.288475][ T6582] do_new_mount+0x228/0x810 [ 230.289199][ T6582] path_mount+0x5b4/0x1000 [ 230.289842][ T6582] __arm64_sys_mount+0x514/0x5e4 [ 230.290566][ T6582] invoke_syscall+0x98/0x2b8 [ 230.291259][ T6582] el0_svc_common+0x138/0x258 [ 230.291975][ T6582] do_el0_svc+0x58/0x14c [ 230.292651][ T6582] el0_svc+0x78/0x1e0 [ 230.293285][ T6582] el0t_64_sync_handler+0xcc/0xe4 [ 230.294028][ T6582] el0t_64_sync+0x1a0/0x1a4 [ 230.296505][ T6582] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 230.298753][ T6582] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 230.441790][ T6584] loop1: detected capacity change from 0 to 32768 [ 230.481505][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 230.482714][ T6584] CPU: 0 PID: 6584 Comm: syz.1.650 Not tainted syzkaller #0 [ 230.483776][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.485322][ T6584] Call trace: [ 230.485779][ T6584] dump_backtrace+0x0/0x43c [ 230.486433][ T6584] show_stack+0x2c/0x3c [ 230.487067][ T6584] __dump_stack+0x30/0x40 [ 230.487660][ T6584] dump_stack_lvl+0xf8/0x160 [ 230.488385][ T6584] dump_stack+0x1c/0x5c [ 230.488997][ T6584] sysfs_create_dir_ns+0x22c/0x24c [ 230.489787][ T6584] kobject_add_internal+0x590/0xc54 [ 230.490605][ T6584] kobject_init_and_add+0x118/0x17c [ 230.491374][ T6584] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.492065][ T6584] gfs2_fill_super+0xdac/0x19e0 [ 230.492771][ T6584] get_tree_bdev+0x358/0x544 [ 230.493441][ T6584] gfs2_get_tree+0x54/0x1b4 [ 230.494136][ T6584] vfs_get_tree+0x90/0x274 [ 230.494875][ T6584] do_new_mount+0x228/0x810 [ 230.495626][ T6584] path_mount+0x5b4/0x1000 [ 230.496341][ T6584] __arm64_sys_mount+0x514/0x5e4 [ 230.497140][ T6584] invoke_syscall+0x98/0x2b8 [ 230.497887][ T6584] el0_svc_common+0x138/0x258 [ 230.498620][ T6584] do_el0_svc+0x58/0x14c [ 230.499311][ T6584] el0_svc+0x78/0x1e0 [ 230.499952][ T6584] el0t_64_sync_handler+0xcc/0xe4 [ 230.500754][ T6584] el0t_64_sync+0x1a0/0x1a4 [ 230.501629][ T6584] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 230.503727][ T6584] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 230.638303][ T6586] loop1: detected capacity change from 0 to 32768 [ 230.645962][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 230.647132][ T6586] CPU: 1 PID: 6586 Comm: syz.1.651 Not tainted syzkaller #0 [ 230.648184][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.649628][ T6586] Call trace: [ 230.650168][ T6586] dump_backtrace+0x0/0x43c [ 230.650864][ T6586] show_stack+0x2c/0x3c [ 230.651549][ T6586] __dump_stack+0x30/0x40 [ 230.652241][ T6586] dump_stack_lvl+0xf8/0x160 [ 230.652940][ T6586] dump_stack+0x1c/0x5c [ 230.653521][ T6586] sysfs_create_dir_ns+0x22c/0x24c [ 230.654325][ T6586] kobject_add_internal+0x590/0xc54 [ 230.655159][ T6586] kobject_init_and_add+0x118/0x17c [ 230.655949][ T6586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.656742][ T6586] gfs2_fill_super+0xdac/0x19e0 [ 230.657566][ T6586] get_tree_bdev+0x358/0x544 [ 230.658276][ T6586] gfs2_get_tree+0x54/0x1b4 [ 230.659002][ T6586] vfs_get_tree+0x90/0x274 [ 230.659782][ T6586] do_new_mount+0x228/0x810 [ 230.660525][ T6586] path_mount+0x5b4/0x1000 [ 230.661274][ T6586] __arm64_sys_mount+0x514/0x5e4 [ 230.662087][ T6586] invoke_syscall+0x98/0x2b8 [ 230.662880][ T6586] el0_svc_common+0x138/0x258 [ 230.663653][ T6586] do_el0_svc+0x58/0x14c [ 230.664381][ T6586] el0_svc+0x78/0x1e0 [ 230.665035][ T6586] el0t_64_sync_handler+0xcc/0xe4 [ 230.665764][ T6586] el0t_64_sync+0x1a0/0x1a4 [ 230.668352][ T6586] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 230.670348][ T6586] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 230.801248][ T6588] loop1: detected capacity change from 0 to 32768 [ 230.851442][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 230.852615][ T6588] CPU: 1 PID: 6588 Comm: syz.1.652 Not tainted syzkaller #0 [ 230.853626][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 230.855163][ T6588] Call trace: [ 230.855636][ T6588] dump_backtrace+0x0/0x43c [ 230.856253][ T6588] show_stack+0x2c/0x3c [ 230.856896][ T6588] __dump_stack+0x30/0x40 [ 230.857498][ T6588] dump_stack_lvl+0xf8/0x160 [ 230.858184][ T6588] dump_stack+0x1c/0x5c [ 230.858753][ T6588] sysfs_create_dir_ns+0x22c/0x24c [ 230.859496][ T6588] kobject_add_internal+0x590/0xc54 [ 230.860269][ T6588] kobject_init_and_add+0x118/0x17c [ 230.861046][ T6588] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.861768][ T6588] gfs2_fill_super+0xdac/0x19e0 [ 230.862518][ T6588] get_tree_bdev+0x358/0x544 [ 230.863169][ T6588] gfs2_get_tree+0x54/0x1b4 [ 230.863827][ T6588] vfs_get_tree+0x90/0x274 [ 230.864474][ T6588] do_new_mount+0x228/0x810 [ 230.865168][ T6588] path_mount+0x5b4/0x1000 [ 230.865842][ T6588] __arm64_sys_mount+0x514/0x5e4 [ 230.866564][ T6588] invoke_syscall+0x98/0x2b8 [ 230.867231][ T6588] el0_svc_common+0x138/0x258 [ 230.867997][ T6588] do_el0_svc+0x58/0x14c [ 230.868650][ T6588] el0_svc+0x78/0x1e0 [ 230.869381][ T6588] el0t_64_sync_handler+0xcc/0xe4 [ 230.870193][ T6588] el0t_64_sync+0x1a0/0x1a4 [ 230.873519][ T6588] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 230.875555][ T6588] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 231.008958][ T6590] loop1: detected capacity change from 0 to 32768 [ 231.016048][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 231.017298][ T6590] CPU: 0 PID: 6590 Comm: syz.1.653 Not tainted syzkaller #0 [ 231.018436][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.019987][ T6590] Call trace: [ 231.020518][ T6590] dump_backtrace+0x0/0x43c [ 231.021175][ T6590] show_stack+0x2c/0x3c [ 231.021779][ T6590] __dump_stack+0x30/0x40 [ 231.022509][ T6590] dump_stack_lvl+0xf8/0x160 [ 231.023231][ T6590] dump_stack+0x1c/0x5c [ 231.023918][ T6590] sysfs_create_dir_ns+0x22c/0x24c [ 231.024775][ T6590] kobject_add_internal+0x590/0xc54 [ 231.025479][ T6590] kobject_init_and_add+0x118/0x17c [ 231.026214][ T6590] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.026921][ T6590] gfs2_fill_super+0xdac/0x19e0 [ 231.027673][ T6590] get_tree_bdev+0x358/0x544 [ 231.028388][ T6590] gfs2_get_tree+0x54/0x1b4 [ 231.029024][ T6590] vfs_get_tree+0x90/0x274 [ 231.029731][ T6590] do_new_mount+0x228/0x810 [ 231.030379][ T6590] path_mount+0x5b4/0x1000 [ 231.031074][ T6590] __arm64_sys_mount+0x514/0x5e4 [ 231.031827][ T6590] invoke_syscall+0x98/0x2b8 [ 231.032597][ T6590] el0_svc_common+0x138/0x258 [ 231.033331][ T6590] do_el0_svc+0x58/0x14c [ 231.034005][ T6590] el0_svc+0x78/0x1e0 [ 231.034638][ T6590] el0t_64_sync_handler+0xcc/0xe4 [ 231.035452][ T6590] el0t_64_sync+0x1a0/0x1a4 [ 231.037061][ T6590] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 231.038952][ T6590] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 231.171383][ T6592] loop1: detected capacity change from 0 to 32768 [ 231.178156][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 231.179343][ T6592] CPU: 0 PID: 6592 Comm: syz.1.654 Not tainted syzkaller #0 [ 231.180443][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.181986][ T6592] Call trace: [ 231.182505][ T6592] dump_backtrace+0x0/0x43c [ 231.183221][ T6592] show_stack+0x2c/0x3c [ 231.183936][ T6592] __dump_stack+0x30/0x40 [ 231.184641][ T6592] dump_stack_lvl+0xf8/0x160 [ 231.185389][ T6592] dump_stack+0x1c/0x5c [ 231.186064][ T6592] sysfs_create_dir_ns+0x22c/0x24c [ 231.186926][ T6592] kobject_add_internal+0x590/0xc54 [ 231.187749][ T6592] kobject_init_and_add+0x118/0x17c [ 231.188527][ T6592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.189288][ T6592] gfs2_fill_super+0xdac/0x19e0 [ 231.190036][ T6592] get_tree_bdev+0x358/0x544 [ 231.190734][ T6592] gfs2_get_tree+0x54/0x1b4 [ 231.191444][ T6592] vfs_get_tree+0x90/0x274 [ 231.192134][ T6592] do_new_mount+0x228/0x810 [ 231.192857][ T6592] path_mount+0x5b4/0x1000 [ 231.193564][ T6592] __arm64_sys_mount+0x514/0x5e4 [ 231.194366][ T6592] invoke_syscall+0x98/0x2b8 [ 231.195098][ T6592] el0_svc_common+0x138/0x258 [ 231.195834][ T6592] do_el0_svc+0x58/0x14c [ 231.196515][ T6592] el0_svc+0x78/0x1e0 [ 231.197131][ T6592] el0t_64_sync_handler+0xcc/0xe4 [ 231.197972][ T6592] el0t_64_sync+0x1a0/0x1a4 [ 231.199742][ T6592] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 231.201941][ T6592] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 231.333986][ T6594] loop1: detected capacity change from 0 to 32768 [ 231.371557][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 231.372779][ T6594] CPU: 0 PID: 6594 Comm: syz.1.655 Not tainted syzkaller #0 [ 231.373841][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.375195][ T6594] Call trace: [ 231.375654][ T6594] dump_backtrace+0x0/0x43c [ 231.376355][ T6594] show_stack+0x2c/0x3c [ 231.376992][ T6594] __dump_stack+0x30/0x40 [ 231.377802][ T6594] dump_stack_lvl+0xf8/0x160 [ 231.378572][ T6594] dump_stack+0x1c/0x5c [ 231.379269][ T6594] sysfs_create_dir_ns+0x22c/0x24c [ 231.380030][ T6594] kobject_add_internal+0x590/0xc54 [ 231.380837][ T6594] kobject_init_and_add+0x118/0x17c [ 231.381571][ T6594] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.382290][ T6594] gfs2_fill_super+0xdac/0x19e0 [ 231.383045][ T6594] get_tree_bdev+0x358/0x544 [ 231.383785][ T6594] gfs2_get_tree+0x54/0x1b4 [ 231.384445][ T6594] vfs_get_tree+0x90/0x274 [ 231.385150][ T6594] do_new_mount+0x228/0x810 [ 231.385881][ T6594] path_mount+0x5b4/0x1000 [ 231.386573][ T6594] __arm64_sys_mount+0x514/0x5e4 [ 231.387368][ T6594] invoke_syscall+0x98/0x2b8 [ 231.388106][ T6594] el0_svc_common+0x138/0x258 [ 231.388826][ T6594] do_el0_svc+0x58/0x14c [ 231.389414][ T6594] el0_svc+0x78/0x1e0 [ 231.389995][ T6594] el0t_64_sync_handler+0xcc/0xe4 [ 231.390736][ T6594] el0t_64_sync+0x1a0/0x1a4 [ 231.392384][ T6594] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 231.394355][ T6594] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 231.560505][ T6596] loop1: detected capacity change from 0 to 32768 [ 231.615873][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 231.617162][ T6596] CPU: 1 PID: 6596 Comm: syz.1.656 Not tainted syzkaller #0 [ 231.618352][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.620003][ T6596] Call trace: [ 231.620481][ T6596] dump_backtrace+0x0/0x43c [ 231.621239][ T6596] show_stack+0x2c/0x3c [ 231.621911][ T6596] __dump_stack+0x30/0x40 [ 231.622676][ T6596] dump_stack_lvl+0xf8/0x160 [ 231.623465][ T6596] dump_stack+0x1c/0x5c [ 231.624132][ T6596] sysfs_create_dir_ns+0x22c/0x24c [ 231.624975][ T6596] kobject_add_internal+0x590/0xc54 [ 231.625766][ T6596] kobject_init_and_add+0x118/0x17c [ 231.626552][ T6596] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.627278][ T6596] gfs2_fill_super+0xdac/0x19e0 [ 231.628023][ T6596] get_tree_bdev+0x358/0x544 [ 231.628751][ T6596] gfs2_get_tree+0x54/0x1b4 [ 231.629532][ T6596] vfs_get_tree+0x90/0x274 [ 231.630258][ T6596] do_new_mount+0x228/0x810 [ 231.631000][ T6596] path_mount+0x5b4/0x1000 [ 231.631694][ T6596] __arm64_sys_mount+0x514/0x5e4 [ 231.632443][ T6596] invoke_syscall+0x98/0x2b8 [ 231.633191][ T6596] el0_svc_common+0x138/0x258 [ 231.633936][ T6596] do_el0_svc+0x58/0x14c [ 231.634564][ T6596] el0_svc+0x78/0x1e0 [ 231.635167][ T6596] el0t_64_sync_handler+0xcc/0xe4 [ 231.635978][ T6596] el0t_64_sync+0x1a0/0x1a4 [ 231.638265][ T6596] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 231.640286][ T6596] gfs2: fsid=statfs_quantum: error -17 adding sysfs files 1970/01/01 00:03:51 executed programs: 643 [ 231.854730][ T6598] loop1: detected capacity change from 0 to 32768 [ 231.906641][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 231.907900][ T6598] CPU: 1 PID: 6598 Comm: syz.1.657 Not tainted syzkaller #0 [ 231.909093][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 231.910692][ T6598] Call trace: [ 231.911210][ T6598] dump_backtrace+0x0/0x43c [ 231.911940][ T6598] show_stack+0x2c/0x3c [ 231.912581][ T6598] __dump_stack+0x30/0x40 [ 231.913181][ T6598] dump_stack_lvl+0xf8/0x160 [ 231.913824][ T6598] dump_stack+0x1c/0x5c [ 231.914474][ T6598] sysfs_create_dir_ns+0x22c/0x24c [ 231.915281][ T6598] kobject_add_internal+0x590/0xc54 [ 231.916074][ T6598] kobject_init_and_add+0x118/0x17c [ 231.916809][ T6598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.917495][ T6598] gfs2_fill_super+0xdac/0x19e0 [ 231.918161][ T6598] get_tree_bdev+0x358/0x544 [ 231.918809][ T6598] gfs2_get_tree+0x54/0x1b4 [ 231.919438][ T6598] vfs_get_tree+0x90/0x274 [ 231.920041][ T6598] do_new_mount+0x228/0x810 [ 231.920716][ T6598] path_mount+0x5b4/0x1000 [ 231.921501][ T6598] __arm64_sys_mount+0x514/0x5e4 [ 231.922303][ T6598] invoke_syscall+0x98/0x2b8 [ 231.923042][ T6598] el0_svc_common+0x138/0x258 [ 231.923796][ T6598] do_el0_svc+0x58/0x14c [ 231.924510][ T6598] el0_svc+0x78/0x1e0 [ 231.925107][ T6598] el0t_64_sync_handler+0xcc/0xe4 [ 231.925889][ T6598] el0t_64_sync+0x1a0/0x1a4 [ 231.928059][ T6598] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 231.929837][ T6598] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 232.066051][ T6600] loop1: detected capacity change from 0 to 32768 [ 232.073380][ T6600] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 232.074674][ T6600] CPU: 0 PID: 6600 Comm: syz.1.658 Not tainted syzkaller #0 [ 232.075898][ T6600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.077535][ T6600] Call trace: [ 232.078081][ T6600] dump_backtrace+0x0/0x43c [ 232.079079][ T6600] show_stack+0x2c/0x3c [ 232.079691][ T6600] __dump_stack+0x30/0x40 [ 232.080350][ T6600] dump_stack_lvl+0xf8/0x160 [ 232.081048][ T6600] dump_stack+0x1c/0x5c [ 232.081736][ T6600] sysfs_create_dir_ns+0x22c/0x24c [ 232.082492][ T6600] kobject_add_internal+0x590/0xc54 [ 232.083247][ T6600] kobject_init_and_add+0x118/0x17c [ 232.084080][ T6600] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.084825][ T6600] gfs2_fill_super+0xdac/0x19e0 [ 232.085559][ T6600] get_tree_bdev+0x358/0x544 [ 232.086355][ T6600] gfs2_get_tree+0x54/0x1b4 [ 232.087069][ T6600] vfs_get_tree+0x90/0x274 [ 232.087781][ T6600] do_new_mount+0x228/0x810 [ 232.088513][ T6600] path_mount+0x5b4/0x1000 [ 232.089253][ T6600] __arm64_sys_mount+0x514/0x5e4 [ 232.090064][ T6600] invoke_syscall+0x98/0x2b8 [ 232.090798][ T6600] el0_svc_common+0x138/0x258 [ 232.091577][ T6600] do_el0_svc+0x58/0x14c [ 232.092264][ T6600] el0_svc+0x78/0x1e0 [ 232.092882][ T6600] el0t_64_sync_handler+0xcc/0xe4 [ 232.093697][ T6600] el0t_64_sync+0x1a0/0x1a4 [ 232.094528][ T6600] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 232.096537][ T6600] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 232.231081][ T6602] loop1: detected capacity change from 0 to 32768 [ 232.286575][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 232.287798][ T6602] CPU: 0 PID: 6602 Comm: syz.1.659 Not tainted syzkaller #0 [ 232.288865][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.290308][ T6602] Call trace: [ 232.290835][ T6602] dump_backtrace+0x0/0x43c [ 232.291591][ T6602] show_stack+0x2c/0x3c [ 232.292249][ T6602] __dump_stack+0x30/0x40 [ 232.292949][ T6602] dump_stack_lvl+0xf8/0x160 [ 232.293672][ T6602] dump_stack+0x1c/0x5c [ 232.294319][ T6602] sysfs_create_dir_ns+0x22c/0x24c [ 232.295134][ T6602] kobject_add_internal+0x590/0xc54 [ 232.295929][ T6602] kobject_init_and_add+0x118/0x17c [ 232.296698][ T6602] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.297429][ T6602] gfs2_fill_super+0xdac/0x19e0 [ 232.298258][ T6602] get_tree_bdev+0x358/0x544 [ 232.298941][ T6602] gfs2_get_tree+0x54/0x1b4 [ 232.299593][ T6602] vfs_get_tree+0x90/0x274 [ 232.300258][ T6602] do_new_mount+0x228/0x810 [ 232.300936][ T6602] path_mount+0x5b4/0x1000 [ 232.301664][ T6602] __arm64_sys_mount+0x514/0x5e4 [ 232.302429][ T6602] invoke_syscall+0x98/0x2b8 [ 232.303147][ T6602] el0_svc_common+0x138/0x258 [ 232.303905][ T6602] do_el0_svc+0x58/0x14c [ 232.304544][ T6602] el0_svc+0x78/0x1e0 [ 232.305087][ T6602] el0t_64_sync_handler+0xcc/0xe4 [ 232.305893][ T6602] el0t_64_sync+0x1a0/0x1a4 [ 232.308395][ T6602] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 232.310338][ T6602] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 232.444980][ T6604] loop1: detected capacity change from 0 to 32768 [ 232.453247][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 232.454442][ T6604] CPU: 1 PID: 6604 Comm: syz.1.660 Not tainted syzkaller #0 [ 232.455516][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.457087][ T6604] Call trace: [ 232.457603][ T6604] dump_backtrace+0x0/0x43c [ 232.458334][ T6604] show_stack+0x2c/0x3c [ 232.458991][ T6604] __dump_stack+0x30/0x40 [ 232.459728][ T6604] dump_stack_lvl+0xf8/0x160 [ 232.460433][ T6604] dump_stack+0x1c/0x5c [ 232.461095][ T6604] sysfs_create_dir_ns+0x22c/0x24c [ 232.461811][ T6604] kobject_add_internal+0x590/0xc54 [ 232.462529][ T6604] kobject_init_and_add+0x118/0x17c [ 232.463259][ T6604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.464004][ T6604] gfs2_fill_super+0xdac/0x19e0 [ 232.464755][ T6604] get_tree_bdev+0x358/0x544 [ 232.465513][ T6604] gfs2_get_tree+0x54/0x1b4 [ 232.466221][ T6604] vfs_get_tree+0x90/0x274 [ 232.466903][ T6604] do_new_mount+0x228/0x810 [ 232.467676][ T6604] path_mount+0x5b4/0x1000 [ 232.468410][ T6604] __arm64_sys_mount+0x514/0x5e4 [ 232.469253][ T6604] invoke_syscall+0x98/0x2b8 [ 232.470027][ T6604] el0_svc_common+0x138/0x258 [ 232.470798][ T6604] do_el0_svc+0x58/0x14c [ 232.471501][ T6604] el0_svc+0x78/0x1e0 [ 232.472187][ T6604] el0t_64_sync_handler+0xcc/0xe4 [ 232.473010][ T6604] el0t_64_sync+0x1a0/0x1a4 [ 232.474140][ T6604] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 232.476140][ T6604] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 232.608248][ T6606] loop1: detected capacity change from 0 to 32768 [ 232.641491][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 232.642715][ T6606] CPU: 1 PID: 6606 Comm: syz.1.661 Not tainted syzkaller #0 [ 232.643700][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.645116][ T6606] Call trace: [ 232.645648][ T6606] dump_backtrace+0x0/0x43c [ 232.646339][ T6606] show_stack+0x2c/0x3c [ 232.647059][ T6606] __dump_stack+0x30/0x40 [ 232.647837][ T6606] dump_stack_lvl+0xf8/0x160 [ 232.648555][ T6606] dump_stack+0x1c/0x5c [ 232.649256][ T6606] sysfs_create_dir_ns+0x22c/0x24c [ 232.650028][ T6606] kobject_add_internal+0x590/0xc54 [ 232.650862][ T6606] kobject_init_and_add+0x118/0x17c [ 232.651664][ T6606] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.652490][ T6606] gfs2_fill_super+0xdac/0x19e0 [ 232.653239][ T6606] get_tree_bdev+0x358/0x544 [ 232.653946][ T6606] gfs2_get_tree+0x54/0x1b4 [ 232.654657][ T6606] vfs_get_tree+0x90/0x274 [ 232.655415][ T6606] do_new_mount+0x228/0x810 [ 232.656170][ T6606] path_mount+0x5b4/0x1000 [ 232.656837][ T6606] __arm64_sys_mount+0x514/0x5e4 [ 232.657617][ T6606] invoke_syscall+0x98/0x2b8 [ 232.658338][ T6606] el0_svc_common+0x138/0x258 [ 232.659162][ T6606] do_el0_svc+0x58/0x14c [ 232.659821][ T6606] el0_svc+0x78/0x1e0 [ 232.660491][ T6606] el0t_64_sync_handler+0xcc/0xe4 [ 232.661314][ T6606] el0t_64_sync+0x1a0/0x1a4 [ 232.662239][ T6606] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 232.664361][ T6606] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 232.869454][ T6608] loop1: detected capacity change from 0 to 32768 [ 232.909227][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 232.910504][ T6608] CPU: 0 PID: 6608 Comm: syz.1.662 Not tainted syzkaller #0 [ 232.911647][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 232.913330][ T6608] Call trace: [ 232.913870][ T6608] dump_backtrace+0x0/0x43c [ 232.914586][ T6608] show_stack+0x2c/0x3c [ 232.915201][ T6608] __dump_stack+0x30/0x40 [ 232.915852][ T6608] dump_stack_lvl+0xf8/0x160 [ 232.916502][ T6608] dump_stack+0x1c/0x5c [ 232.917127][ T6608] sysfs_create_dir_ns+0x22c/0x24c [ 232.917916][ T6608] kobject_add_internal+0x590/0xc54 [ 232.918657][ T6608] kobject_init_and_add+0x118/0x17c [ 232.919394][ T6608] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.920038][ T6608] gfs2_fill_super+0xdac/0x19e0 [ 232.920760][ T6608] get_tree_bdev+0x358/0x544 [ 232.921412][ T6608] gfs2_get_tree+0x54/0x1b4 [ 232.922045][ T6608] vfs_get_tree+0x90/0x274 [ 232.922713][ T6608] do_new_mount+0x228/0x810 [ 232.923512][ T6608] path_mount+0x5b4/0x1000 [ 232.924199][ T6608] __arm64_sys_mount+0x514/0x5e4 [ 232.924994][ T6608] invoke_syscall+0x98/0x2b8 [ 232.925767][ T6608] el0_svc_common+0x138/0x258 [ 232.926512][ T6608] do_el0_svc+0x58/0x14c [ 232.927164][ T6608] el0_svc+0x78/0x1e0 [ 232.927783][ T6608] el0t_64_sync_handler+0xcc/0xe4 [ 232.928613][ T6608] el0t_64_sync+0x1a0/0x1a4 [ 232.931644][ T6608] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 232.933566][ T6608] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 233.066201][ T6610] loop1: detected capacity change from 0 to 32768 [ 233.111494][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 233.112798][ T6610] CPU: 1 PID: 6610 Comm: syz.1.663 Not tainted syzkaller #0 [ 233.113906][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.115486][ T6610] Call trace: [ 233.116009][ T6610] dump_backtrace+0x0/0x43c [ 233.116744][ T6610] show_stack+0x2c/0x3c [ 233.117418][ T6610] __dump_stack+0x30/0x40 [ 233.118160][ T6610] dump_stack_lvl+0xf8/0x160 [ 233.118908][ T6610] dump_stack+0x1c/0x5c [ 233.119614][ T6610] sysfs_create_dir_ns+0x22c/0x24c [ 233.120471][ T6610] kobject_add_internal+0x590/0xc54 [ 233.121285][ T6610] kobject_init_and_add+0x118/0x17c [ 233.122155][ T6610] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.122975][ T6610] gfs2_fill_super+0xdac/0x19e0 [ 233.123718][ T6610] get_tree_bdev+0x358/0x544 [ 233.124474][ T6610] gfs2_get_tree+0x54/0x1b4 [ 233.125196][ T6610] vfs_get_tree+0x90/0x274 [ 233.125835][ T6610] do_new_mount+0x228/0x810 [ 233.126536][ T6610] path_mount+0x5b4/0x1000 [ 233.127207][ T6610] __arm64_sys_mount+0x514/0x5e4 [ 233.127906][ T6610] invoke_syscall+0x98/0x2b8 [ 233.128595][ T6610] el0_svc_common+0x138/0x258 [ 233.129307][ T6610] do_el0_svc+0x58/0x14c [ 233.129977][ T6610] el0_svc+0x78/0x1e0 [ 233.130611][ T6610] el0t_64_sync_handler+0xcc/0xe4 [ 233.131422][ T6610] el0t_64_sync+0x1a0/0x1a4 [ 233.134019][ T6610] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 233.136119][ T6610] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 233.310115][ T6612] loop1: detected capacity change from 0 to 32768 [ 233.366189][ T6612] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 233.367440][ T6612] CPU: 1 PID: 6612 Comm: syz.1.664 Not tainted syzkaller #0 [ 233.368535][ T6612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.370003][ T6612] Call trace: [ 233.370493][ T6612] dump_backtrace+0x0/0x43c [ 233.371186][ T6612] show_stack+0x2c/0x3c [ 233.371809][ T6612] __dump_stack+0x30/0x40 [ 233.372531][ T6612] dump_stack_lvl+0xf8/0x160 [ 233.373292][ T6612] dump_stack+0x1c/0x5c [ 233.373893][ T6612] sysfs_create_dir_ns+0x22c/0x24c [ 233.374699][ T6612] kobject_add_internal+0x590/0xc54 [ 233.375529][ T6612] kobject_init_and_add+0x118/0x17c [ 233.376407][ T6612] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.377213][ T6612] gfs2_fill_super+0xdac/0x19e0 [ 233.378032][ T6612] get_tree_bdev+0x358/0x544 [ 233.378793][ T6612] gfs2_get_tree+0x54/0x1b4 [ 233.379477][ T6612] vfs_get_tree+0x90/0x274 [ 233.380195][ T6612] do_new_mount+0x228/0x810 [ 233.380914][ T6612] path_mount+0x5b4/0x1000 [ 233.381585][ T6612] __arm64_sys_mount+0x514/0x5e4 [ 233.382345][ T6612] invoke_syscall+0x98/0x2b8 [ 233.383058][ T6612] el0_svc_common+0x138/0x258 [ 233.383760][ T6612] do_el0_svc+0x58/0x14c [ 233.384397][ T6612] el0_svc+0x78/0x1e0 [ 233.385025][ T6612] el0t_64_sync_handler+0xcc/0xe4 [ 233.385765][ T6612] el0t_64_sync+0x1a0/0x1a4 [ 233.387913][ T6612] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 233.389852][ T6612] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 233.522339][ T6614] loop1: detected capacity change from 0 to 32768 [ 233.561533][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 233.562659][ T6614] CPU: 1 PID: 6614 Comm: syz.1.665 Not tainted syzkaller #0 [ 233.563849][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.565393][ T6614] Call trace: [ 233.565831][ T6614] dump_backtrace+0x0/0x43c [ 233.566434][ T6614] show_stack+0x2c/0x3c [ 233.566946][ T6614] __dump_stack+0x30/0x40 [ 233.567567][ T6614] dump_stack_lvl+0xf8/0x160 [ 233.568188][ T6614] dump_stack+0x1c/0x5c [ 233.568840][ T6614] sysfs_create_dir_ns+0x22c/0x24c [ 233.569665][ T6614] kobject_add_internal+0x590/0xc54 [ 233.570514][ T6614] kobject_init_and_add+0x118/0x17c [ 233.571335][ T6614] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.572080][ T6614] gfs2_fill_super+0xdac/0x19e0 [ 233.572826][ T6614] get_tree_bdev+0x358/0x544 [ 233.573542][ T6614] gfs2_get_tree+0x54/0x1b4 [ 233.574307][ T6614] vfs_get_tree+0x90/0x274 [ 233.575029][ T6614] do_new_mount+0x228/0x810 [ 233.575783][ T6614] path_mount+0x5b4/0x1000 [ 233.576472][ T6614] __arm64_sys_mount+0x514/0x5e4 [ 233.577253][ T6614] invoke_syscall+0x98/0x2b8 [ 233.577982][ T6614] el0_svc_common+0x138/0x258 [ 233.578682][ T6614] do_el0_svc+0x58/0x14c [ 233.579341][ T6614] el0_svc+0x78/0x1e0 [ 233.579941][ T6614] el0t_64_sync_handler+0xcc/0xe4 [ 233.580663][ T6614] el0t_64_sync+0x1a0/0x1a4 [ 233.582195][ T6614] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 233.584130][ T6614] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 233.759237][ T6616] loop1: detected capacity change from 0 to 32768 [ 233.811816][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 233.813116][ T6616] CPU: 1 PID: 6616 Comm: syz.1.666 Not tainted syzkaller #0 [ 233.814162][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 233.815611][ T6616] Call trace: [ 233.816085][ T6616] dump_backtrace+0x0/0x43c [ 233.816741][ T6616] show_stack+0x2c/0x3c [ 233.817278][ T6616] __dump_stack+0x30/0x40 [ 233.817879][ T6616] dump_stack_lvl+0xf8/0x160 [ 233.818606][ T6616] dump_stack+0x1c/0x5c [ 233.819239][ T6616] sysfs_create_dir_ns+0x22c/0x24c [ 233.820035][ T6616] kobject_add_internal+0x590/0xc54 [ 233.821155][ T6616] kobject_init_and_add+0x118/0x17c [ 233.821992][ T6616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.822773][ T6616] gfs2_fill_super+0xdac/0x19e0 [ 233.823568][ T6616] get_tree_bdev+0x358/0x544 [ 233.824301][ T6616] gfs2_get_tree+0x54/0x1b4 [ 233.825063][ T6616] vfs_get_tree+0x90/0x274 [ 233.825740][ T6616] do_new_mount+0x228/0x810 [ 233.826493][ T6616] path_mount+0x5b4/0x1000 [ 233.827269][ T6616] __arm64_sys_mount+0x514/0x5e4 [ 233.828070][ T6616] invoke_syscall+0x98/0x2b8 [ 233.828800][ T6616] el0_svc_common+0x138/0x258 [ 233.829559][ T6616] do_el0_svc+0x58/0x14c [ 233.830278][ T6616] el0_svc+0x78/0x1e0 [ 233.830880][ T6616] el0t_64_sync_handler+0xcc/0xe4 [ 233.831607][ T6616] el0t_64_sync+0x1a0/0x1a4 [ 233.832547][ T6616] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 233.834414][ T6616] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 234.032377][ T6618] loop1: detected capacity change from 0 to 32768 [ 234.039597][ T6618] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum' [ 234.040780][ T6618] CPU: 0 PID: 6618 Comm: syz.1.667 Not tainted syzkaller #0 [ 234.041963][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.043531][ T6618] Call trace: [ 234.044095][ T6618] dump_backtrace+0x0/0x43c [ 234.044880][ T6618] show_stack+0x2c/0x3c [ 234.045516][ T6618] __dump_stack+0x30/0x40 [ 234.046206][ T6618] dump_stack_lvl+0xf8/0x160 [ 234.046936][ T6618] dump_stack+0x1c/0x5c [ 234.047619][ T6618] sysfs_create_dir_ns+0x22c/0x24c [ 234.048417][ T6618] kobject_add_internal+0x590/0xc54 [ 234.049254][ T6618] kobject_init_and_add+0x118/0x17c [ 234.050086][ T6618] gfs2_sys_fs_add+0x1dc/0x3d8 [ 234.050873][ T6618] gfs2_fill_super+0xdac/0x19e0 [ 234.051643][ T6618] get_tree_bdev+0x358/0x544 [ 234.052342][ T6618] gfs2_get_tree+0x54/0x1b4 [ 234.053116][ T6618] vfs_get_tree+0x90/0x274 [ 234.053839][ T6618] do_new_mount+0x228/0x810 [ 234.054512][ T6618] path_mount+0x5b4/0x1000 [ 234.055227][ T6618] __arm64_sys_mount+0x514/0x5e4 [ 234.056014][ T6618] invoke_syscall+0x98/0x2b8 [ 234.056786][ T6618] el0_svc_common+0x138/0x258 [ 234.057534][ T6618] do_el0_svc+0x58/0x14c [ 234.058238][ T6618] el0_svc+0x78/0x1e0 [ 234.058865][ T6618] el0t_64_sync_handler+0xcc/0xe4 [ 234.059664][ T6618] el0t_64_sync+0x1a0/0x1a4 [ 234.061874][ T6618] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory. [ 234.063755][ T6618] gfs2: fsid=statfs_quantum: error -17 adding sysfs files [ 234.101010][ T27] INFO: task syz-executor:5108 blocked for more than 143 seconds. [ 234.102442][ T27] Not tainted syzkaller #0 [ 234.103225][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.104430][ T27] task:syz-executor state:D stack: 0 pid: 5108 ppid: 1 flags:0x00000001 [ 234.105953][ T27] Call trace: [ 234.106499][ T27] __switch_to+0x2f4/0x558 [ 234.107254][ T27] __schedule+0xe08/0x1bf8 [ 234.108310][ T27] schedule+0x11c/0x1c8 [ 234.108956][ T27] schedule_timeout+0x180/0x2c8 [ 234.109686][ T27] gfs2_gl_hash_clear+0x174/0x2cc [ 234.110445][ T27] gfs2_put_super+0x614/0x6bc [ 234.111856][ T27] generic_shutdown_super+0x130/0x2f0 [ 234.112699][ T27] kill_block_super+0x70/0xdc [ 234.113414][ T27] gfs2_kill_sb+0xc0/0xd4 [ 234.114155][ T27] deactivate_locked_super+0xb8/0x13c [ 234.114983][ T27] deactivate_super+0xf8/0x118 [ 234.115688][ T27] cleanup_mnt+0x3a4/0x458 [ 234.116372][ T27] __cleanup_mnt+0x20/0x30 [ 234.117013][ T27] task_work_run+0x12c/0x1e0 [ 234.117716][ T27] do_notify_resume+0x24b4/0x3128 [ 234.118447][ T27] el0_svc+0xf0/0x1e0 [ 234.119006][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.119693][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.120457][ T27] [ 234.120457][ T27] Showing all locks held in the system: [ 234.124329][ T27] 1 lock held by khungtaskd/27: [ 234.125032][ T27] #0: ffff8000143513a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.126458][ T27] 2 locks held by getty/3806: [ 234.127109][ T27] #0: ffff0000d1c04098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.128565][ T27] #1: ffff80001bd5e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.130074][ T27] 1 lock held by syz-executor/5108: [ 234.131418][ T27] #0: ffff0000d103a0e0 (&type->s_umount_key#52){++++}-{3:3}, at: deactivate_super+0xf0/0x118 [ 234.133004][ T27] [ 234.133350][ T27] ============================================= [ 234.133350][ T27] [ 234.134577][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.135550][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.136551][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 234.137983][ T27] Call trace: [ 234.138443][ T27] dump_backtrace+0x0/0x43c [ 234.139181][ T27] show_stack+0x2c/0x3c [ 234.139843][ T27] __dump_stack+0x30/0x40 [ 234.140534][ T27] dump_stack_lvl+0xf8/0x160 [ 234.141254][ T27] dump_stack+0x1c/0x5c [ 234.141877][ T27] panic+0x2e4/0x854 [ 234.142533][ T27] hung_task_panic+0x0/0x2c [ 234.143285][ T27] kthread+0x374/0x454 [ 234.143912][ T27] ret_from_fork+0x10/0x20 [ 234.144670][ T27] SMP: stopping secondary CPUs [ 234.145480][ T27] Kernel Offset: disabled [ 234.146211][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.147139][ T27] Memory Limit: none [ 234.481661][ T27] Rebooting in 86400 seconds..