_add+0x1dc/0x3d8 [ 207.335022][ T6565] gfs2_fill_super+0xdac/0x19e0 [ 207.335699][ T6565] get_tree_bdev+0x358/0x544 [ 207.336347][ T6565] gfs2_get_tree+0x54/0x1b4 [ 207.336976][ T6565] vfs_get_tree+0x90/0x274 [ 207.337599][ T6565] do_new_mount+0x228/0x810 [ 207.338231][ T6565] path_mount+0x5b4/0x1000 [ 207.338873][ T6565] __arm64_sys_mount+0x514/0x5e4 [ 207.339572][ T6565] invoke_syscall+0x98/0x2b8 [ 207.340219][ T6565] el0_svc_common+0x138/0x258 [ 207.340857][ T6565] do_el0_svc+0x58/0x14c [ 207.341447][ T6565] el0_svc+0x78/0x1e0 [ 207.341994][ T6565] el0t_64_sync_handler+0xcc/0xe4 [ 207.342701][ T6565] el0t_64_sync+0x1a0/0x1a4 [ 207.345398][ T6565] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.347297][ T6565] gfs2: fsid=}: error -17 adding sysfs files [ 207.518000][ T6568] loop1: detected capacity change from 0 to 32768 [ 207.603552][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.604664][ T6568] CPU: 0 PID: 6568 Comm: syz.1.546 Not tainted syzkaller #0 [ 207.605792][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.607355][ T6568] Call trace: [ 207.607822][ T6568] dump_backtrace+0x0/0x43c [ 207.608562][ T6568] show_stack+0x2c/0x3c [ 207.609239][ T6568] __dump_stack+0x30/0x40 [ 207.609855][ T6568] dump_stack_lvl+0xf8/0x160 [ 207.610567][ T6568] dump_stack+0x1c/0x5c [ 207.611163][ T6568] sysfs_create_dir_ns+0x22c/0x24c [ 207.611915][ T6568] kobject_add_internal+0x590/0xc54 [ 207.612641][ T6568] kobject_init_and_add+0x118/0x17c [ 207.613402][ T6568] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.614090][ T6568] gfs2_fill_super+0xdac/0x19e0 [ 207.614820][ T6568] get_tree_bdev+0x358/0x544 [ 207.615455][ T6568] gfs2_get_tree+0x54/0x1b4 [ 207.616091][ T6568] vfs_get_tree+0x90/0x274 [ 207.616776][ T6568] do_new_mount+0x228/0x810 [ 207.617405][ T6568] path_mount+0x5b4/0x1000 [ 207.618009][ T6568] __arm64_sys_mount+0x514/0x5e4 [ 207.618705][ T6568] invoke_syscall+0x98/0x2b8 [ 207.619399][ T6568] el0_svc_common+0x138/0x258 [ 207.620042][ T6568] do_el0_svc+0x58/0x14c [ 207.620709][ T6568] el0_svc+0x78/0x1e0 [ 207.621269][ T6568] el0t_64_sync_handler+0xcc/0xe4 [ 207.621939][ T6568] el0t_64_sync+0x1a0/0x1a4 [ 207.623922][ T6568] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.625755][ T6568] gfs2: fsid=}: error -17 adding sysfs files [ 207.768900][ T6571] loop1: detected capacity change from 0 to 32768 [ 207.773749][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.774801][ T6571] CPU: 0 PID: 6571 Comm: syz.1.547 Not tainted syzkaller #0 [ 207.775941][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.777519][ T6571] Call trace: [ 207.778028][ T6571] dump_backtrace+0x0/0x43c [ 207.778745][ T6571] show_stack+0x2c/0x3c [ 207.779341][ T6571] __dump_stack+0x30/0x40 [ 207.779974][ T6571] dump_stack_lvl+0xf8/0x160 [ 207.780640][ T6571] dump_stack+0x1c/0x5c [ 207.781257][ T6571] sysfs_create_dir_ns+0x22c/0x24c [ 207.782032][ T6571] kobject_add_internal+0x590/0xc54 [ 207.782795][ T6571] kobject_init_and_add+0x118/0x17c [ 207.783549][ T6571] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.784310][ T6571] gfs2_fill_super+0xdac/0x19e0 [ 207.784989][ T6571] get_tree_bdev+0x358/0x544 [ 207.785648][ T6571] gfs2_get_tree+0x54/0x1b4 [ 207.786239][ T6571] vfs_get_tree+0x90/0x274 [ 207.786874][ T6571] do_new_mount+0x228/0x810 [ 207.787581][ T6571] path_mount+0x5b4/0x1000 [ 207.788211][ T6571] __arm64_sys_mount+0x514/0x5e4 [ 207.788959][ T6571] invoke_syscall+0x98/0x2b8 [ 207.789650][ T6571] el0_svc_common+0x138/0x258 [ 207.790326][ T6571] do_el0_svc+0x58/0x14c [ 207.790972][ T6571] el0_svc+0x78/0x1e0 [ 207.791532][ T6571] el0t_64_sync_handler+0xcc/0xe4 [ 207.792275][ T6571] el0t_64_sync+0x1a0/0x1a4 [ 207.794872][ T6571] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.796991][ T6571] gfs2: fsid=}: error -17 adding sysfs files [ 207.936611][ T6574] loop1: detected capacity change from 0 to 32768 [ 207.944741][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.945765][ T6574] CPU: 1 PID: 6574 Comm: syz.1.548 Not tainted syzkaller #0 [ 207.946951][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 207.948521][ T6574] Call trace: [ 207.949015][ T6574] dump_backtrace+0x0/0x43c [ 207.949694][ T6574] show_stack+0x2c/0x3c [ 207.950285][ T6574] __dump_stack+0x30/0x40 [ 207.950912][ T6574] dump_stack_lvl+0xf8/0x160 [ 207.951599][ T6574] dump_stack+0x1c/0x5c [ 207.952215][ T6574] sysfs_create_dir_ns+0x22c/0x24c [ 207.952984][ T6574] kobject_add_internal+0x590/0xc54 [ 207.953720][ T6574] kobject_init_and_add+0x118/0x17c [ 207.954467][ T6574] gfs2_sys_fs_add+0x1dc/0x3d8 [ 207.955193][ T6574] gfs2_fill_super+0xdac/0x19e0 [ 207.955902][ T6574] get_tree_bdev+0x358/0x544 [ 207.956544][ T6574] gfs2_get_tree+0x54/0x1b4 [ 207.957162][ T6574] vfs_get_tree+0x90/0x274 [ 207.957753][ T6574] do_new_mount+0x228/0x810 [ 207.958414][ T6574] path_mount+0x5b4/0x1000 [ 207.959048][ T6574] __arm64_sys_mount+0x514/0x5e4 [ 207.959780][ T6574] invoke_syscall+0x98/0x2b8 [ 207.960420][ T6574] el0_svc_common+0x138/0x258 [ 207.961079][ T6574] do_el0_svc+0x58/0x14c [ 207.961691][ T6574] el0_svc+0x78/0x1e0 [ 207.962270][ T6574] el0t_64_sync_handler+0xcc/0xe4 [ 207.962950][ T6574] el0t_64_sync+0x1a0/0x1a4 [ 207.964932][ T6574] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.966916][ T6574] gfs2: fsid=}: error -17 adding sysfs files [ 208.115990][ T6577] loop1: detected capacity change from 0 to 32768 [ 208.221978][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.223070][ T6577] CPU: 0 PID: 6577 Comm: syz.1.549 Not tainted syzkaller #0 [ 208.224173][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.225595][ T6577] Call trace: [ 208.226046][ T6577] dump_backtrace+0x0/0x43c [ 208.226701][ T6577] show_stack+0x2c/0x3c [ 208.227329][ T6577] __dump_stack+0x30/0x40 [ 208.227996][ T6577] dump_stack_lvl+0xf8/0x160 [ 208.228690][ T6577] dump_stack+0x1c/0x5c [ 208.229298][ T6577] sysfs_create_dir_ns+0x22c/0x24c [ 208.230000][ T6577] kobject_add_internal+0x590/0xc54 [ 208.230766][ T6577] kobject_init_and_add+0x118/0x17c [ 208.231535][ T6577] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.232199][ T6577] gfs2_fill_super+0xdac/0x19e0 [ 208.232870][ T6577] get_tree_bdev+0x358/0x544 [ 208.233487][ T6577] gfs2_get_tree+0x54/0x1b4 [ 208.234103][ T6577] vfs_get_tree+0x90/0x274 [ 208.234715][ T6577] do_new_mount+0x228/0x810 [ 208.235357][ T6577] path_mount+0x5b4/0x1000 [ 208.235959][ T6577] __arm64_sys_mount+0x514/0x5e4 [ 208.236640][ T6577] invoke_syscall+0x98/0x2b8 [ 208.237290][ T6577] el0_svc_common+0x138/0x258 [ 208.237928][ T6577] do_el0_svc+0x58/0x14c [ 208.238497][ T6577] el0_svc+0x78/0x1e0 [ 208.239058][ T6577] el0t_64_sync_handler+0xcc/0xe4 [ 208.239805][ T6577] el0t_64_sync+0x1a0/0x1a4 [ 208.241882][ T6577] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.243778][ T6577] gfs2: fsid=}: error -17 adding sysfs files [ 208.380719][ T6580] loop1: detected capacity change from 0 to 32768 [ 208.444071][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.445169][ T6580] CPU: 0 PID: 6580 Comm: syz.1.550 Not tainted syzkaller #0 [ 208.446312][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.447818][ T6580] Call trace: [ 208.448308][ T6580] dump_backtrace+0x0/0x43c [ 208.448908][ T6580] show_stack+0x2c/0x3c [ 208.449528][ T6580] __dump_stack+0x30/0x40 [ 208.450140][ T6580] dump_stack_lvl+0xf8/0x160 [ 208.450810][ T6580] dump_stack+0x1c/0x5c [ 208.451409][ T6580] sysfs_create_dir_ns+0x22c/0x24c [ 208.452191][ T6580] kobject_add_internal+0x590/0xc54 [ 208.452898][ T6580] kobject_init_and_add+0x118/0x17c [ 208.453684][ T6580] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.454326][ T6580] gfs2_fill_super+0xdac/0x19e0 [ 208.454987][ T6580] get_tree_bdev+0x358/0x544 [ 208.455675][ T6580] gfs2_get_tree+0x54/0x1b4 [ 208.456373][ T6580] vfs_get_tree+0x90/0x274 [ 208.457036][ T6580] do_new_mount+0x228/0x810 [ 208.457726][ T6580] path_mount+0x5b4/0x1000 [ 208.458439][ T6580] __arm64_sys_mount+0x514/0x5e4 [ 208.459192][ T6580] invoke_syscall+0x98/0x2b8 [ 208.459888][ T6580] el0_svc_common+0x138/0x258 [ 208.460581][ T6580] do_el0_svc+0x58/0x14c [ 208.461222][ T6580] el0_svc+0x78/0x1e0 [ 208.461841][ T6580] el0t_64_sync_handler+0xcc/0xe4 [ 208.462597][ T6580] el0t_64_sync+0x1a0/0x1a4 [ 208.463854][ T6580] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.465688][ T6580] gfs2: fsid=}: error -17 adding sysfs files [ 208.646496][ T6583] loop1: detected capacity change from 0 to 32768 [ 208.654405][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.655489][ T6583] CPU: 0 PID: 6583 Comm: syz.1.551 Not tainted syzkaller #0 [ 208.656566][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.658130][ T6583] Call trace: [ 208.658642][ T6583] dump_backtrace+0x0/0x43c [ 208.659373][ T6583] show_stack+0x2c/0x3c [ 208.659991][ T6583] __dump_stack+0x30/0x40 [ 208.660593][ T6583] dump_stack_lvl+0xf8/0x160 [ 208.661262][ T6583] dump_stack+0x1c/0x5c [ 208.661867][ T6583] sysfs_create_dir_ns+0x22c/0x24c [ 208.662682][ T6583] kobject_add_internal+0x590/0xc54 [ 208.663517][ T6583] kobject_init_and_add+0x118/0x17c [ 208.664291][ T6583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.664947][ T6583] gfs2_fill_super+0xdac/0x19e0 [ 208.665627][ T6583] get_tree_bdev+0x358/0x544 [ 208.666287][ T6583] gfs2_get_tree+0x54/0x1b4 [ 208.666923][ T6583] vfs_get_tree+0x90/0x274 [ 208.667569][ T6583] do_new_mount+0x228/0x810 [ 208.668197][ T6583] path_mount+0x5b4/0x1000 [ 208.668849][ T6583] __arm64_sys_mount+0x514/0x5e4 [ 208.669549][ T6583] invoke_syscall+0x98/0x2b8 [ 208.670213][ T6583] el0_svc_common+0x138/0x258 [ 208.670897][ T6583] do_el0_svc+0x58/0x14c [ 208.671513][ T6583] el0_svc+0x78/0x1e0 [ 208.672077][ T6583] el0t_64_sync_handler+0xcc/0xe4 [ 208.672781][ T6583] el0t_64_sync+0x1a0/0x1a4 [ 208.673562][ T6583] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.675382][ T6583] gfs2: fsid=}: error -17 adding sysfs files [ 208.850229][ T6586] loop1: detected capacity change from 0 to 32768 [ 208.858245][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.859271][ T6586] CPU: 1 PID: 6586 Comm: syz.1.552 Not tainted syzkaller #0 [ 208.860286][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 208.861665][ T6586] Call trace: [ 208.862189][ T6586] dump_backtrace+0x0/0x43c [ 208.862837][ T6586] show_stack+0x2c/0x3c [ 208.863396][ T6586] __dump_stack+0x30/0x40 [ 208.863970][ T6586] dump_stack_lvl+0xf8/0x160 [ 208.864628][ T6586] dump_stack+0x1c/0x5c [ 208.865215][ T6586] sysfs_create_dir_ns+0x22c/0x24c [ 208.865924][ T6586] kobject_add_internal+0x590/0xc54 [ 208.866656][ T6586] kobject_init_and_add+0x118/0x17c [ 208.867389][ T6586] gfs2_sys_fs_add+0x1dc/0x3d8 [ 208.868073][ T6586] gfs2_fill_super+0xdac/0x19e0 [ 208.868722][ T6586] get_tree_bdev+0x358/0x544 [ 208.869411][ T6586] gfs2_get_tree+0x54/0x1b4 [ 208.870003][ T6586] vfs_get_tree+0x90/0x274 [ 208.870608][ T6586] do_new_mount+0x228/0x810 [ 208.871227][ T6586] path_mount+0x5b4/0x1000 [ 208.871818][ T6586] __arm64_sys_mount+0x514/0x5e4 [ 208.872447][ T6586] invoke_syscall+0x98/0x2b8 [ 208.873142][ T6586] el0_svc_common+0x138/0x258 [ 208.873771][ T6586] do_el0_svc+0x58/0x14c [ 208.874346][ T6586] el0_svc+0x78/0x1e0 [ 208.874970][ T6586] el0t_64_sync_handler+0xcc/0xe4 [ 208.875680][ T6586] el0t_64_sync+0x1a0/0x1a4 [ 208.877743][ T6586] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.879566][ T6586] gfs2: fsid=}: error -17 adding sysfs files [ 209.018646][ T6589] loop1: detected capacity change from 0 to 32768 [ 209.026846][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.027980][ T6589] CPU: 0 PID: 6589 Comm: syz.1.553 Not tainted syzkaller #0 [ 209.029056][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.030585][ T6589] Call trace: [ 209.031060][ T6589] dump_backtrace+0x0/0x43c [ 209.031758][ T6589] show_stack+0x2c/0x3c [ 209.032377][ T6589] __dump_stack+0x30/0x40 [ 209.033029][ T6589] dump_stack_lvl+0xf8/0x160 [ 209.033668][ T6589] dump_stack+0x1c/0x5c [ 209.034303][ T6589] sysfs_create_dir_ns+0x22c/0x24c [ 209.035047][ T6589] kobject_add_internal+0x590/0xc54 [ 209.035831][ T6589] kobject_init_and_add+0x118/0x17c [ 209.036582][ T6589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.037247][ T6589] gfs2_fill_super+0xdac/0x19e0 [ 209.037941][ T6589] get_tree_bdev+0x358/0x544 [ 209.038566][ T6589] gfs2_get_tree+0x54/0x1b4 [ 209.039289][ T6589] vfs_get_tree+0x90/0x274 [ 209.039898][ T6589] do_new_mount+0x228/0x810 [ 209.040561][ T6589] path_mount+0x5b4/0x1000 [ 209.041208][ T6589] __arm64_sys_mount+0x514/0x5e4 [ 209.041977][ T6589] invoke_syscall+0x98/0x2b8 [ 209.042637][ T6589] el0_svc_common+0x138/0x258 [ 209.043337][ T6589] do_el0_svc+0x58/0x14c [ 209.043925][ T6589] el0_svc+0x78/0x1e0 [ 209.044554][ T6589] el0t_64_sync_handler+0xcc/0xe4 [ 209.045283][ T6589] el0t_64_sync+0x1a0/0x1a4 [ 209.046192][ T6589] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.048200][ T6589] gfs2: fsid=}: error -17 adding sysfs files [ 209.229209][ T6592] loop1: detected capacity change from 0 to 32768 [ 209.268210][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.269322][ T6592] CPU: 0 PID: 6592 Comm: syz.1.554 Not tainted syzkaller #0 [ 209.270423][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.271920][ T6592] Call trace: [ 209.272487][ T6592] dump_backtrace+0x0/0x43c [ 209.273178][ T6592] show_stack+0x2c/0x3c [ 209.273890][ T6592] __dump_stack+0x30/0x40 [ 209.274561][ T6592] dump_stack_lvl+0xf8/0x160 [ 209.275258][ T6592] dump_stack+0x1c/0x5c [ 209.275869][ T6592] sysfs_create_dir_ns+0x22c/0x24c [ 209.276619][ T6592] kobject_add_internal+0x590/0xc54 [ 209.277407][ T6592] kobject_init_and_add+0x118/0x17c [ 209.278158][ T6592] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.278917][ T6592] gfs2_fill_super+0xdac/0x19e0 [ 209.279671][ T6592] get_tree_bdev+0x358/0x544 [ 209.280433][ T6592] gfs2_get_tree+0x54/0x1b4 [ 209.281119][ T6592] vfs_get_tree+0x90/0x274 [ 209.281843][ T6592] do_new_mount+0x228/0x810 [ 209.282515][ T6592] path_mount+0x5b4/0x1000 [ 209.283151][ T6592] __arm64_sys_mount+0x514/0x5e4 [ 209.283842][ T6592] invoke_syscall+0x98/0x2b8 [ 209.284513][ T6592] el0_svc_common+0x138/0x258 [ 209.285167][ T6592] do_el0_svc+0x58/0x14c [ 209.285747][ T6592] el0_svc+0x78/0x1e0 [ 209.286383][ T6592] el0t_64_sync_handler+0xcc/0xe4 [ 209.287194][ T6592] el0t_64_sync+0x1a0/0x1a4 [ 209.288329][ T6592] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.290081][ T6592] gfs2: fsid=}: error -17 adding sysfs files [ 209.485627][ T6595] loop1: detected capacity change from 0 to 32768 [ 209.528264][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.529314][ T6595] CPU: 0 PID: 6595 Comm: syz.1.555 Not tainted syzkaller #0 [ 209.530388][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.531878][ T6595] Call trace: [ 209.532362][ T6595] dump_backtrace+0x0/0x43c [ 209.533004][ T6595] show_stack+0x2c/0x3c [ 209.533580][ T6595] __dump_stack+0x30/0x40 [ 209.534233][ T6595] dump_stack_lvl+0xf8/0x160 [ 209.534923][ T6595] dump_stack+0x1c/0x5c [ 209.535563][ T6595] sysfs_create_dir_ns+0x22c/0x24c [ 209.536294][ T6595] kobject_add_internal+0x590/0xc54 [ 209.537042][ T6595] kobject_init_and_add+0x118/0x17c [ 209.537842][ T6595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.538585][ T6595] gfs2_fill_super+0xdac/0x19e0 [ 209.539269][ T6595] get_tree_bdev+0x358/0x544 [ 209.539999][ T6595] gfs2_get_tree+0x54/0x1b4 [ 209.540678][ T6595] vfs_get_tree+0x90/0x274 [ 209.541320][ T6595] do_new_mount+0x228/0x810 [ 209.541959][ T6595] path_mount+0x5b4/0x1000 [ 209.542587][ T6595] __arm64_sys_mount+0x514/0x5e4 [ 209.543289][ T6595] invoke_syscall+0x98/0x2b8 [ 209.543944][ T6595] el0_svc_common+0x138/0x258 [ 209.544600][ T6595] do_el0_svc+0x58/0x14c [ 209.545277][ T6595] el0_svc+0x78/0x1e0 [ 209.545824][ T6595] el0t_64_sync_handler+0xcc/0xe4 [ 209.546579][ T6595] el0t_64_sync+0x1a0/0x1a4 [ 209.548687][ T6595] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.550500][ T6595] gfs2: fsid=}: error -17 adding sysfs files [ 209.688114][ T6598] loop1: detected capacity change from 0 to 32768 [ 209.728583][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.729707][ T6598] CPU: 1 PID: 6598 Comm: syz.1.556 Not tainted syzkaller #0 [ 209.730858][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.732293][ T6598] Call trace: [ 209.732744][ T6598] dump_backtrace+0x0/0x43c [ 209.733430][ T6598] show_stack+0x2c/0x3c [ 209.734035][ T6598] __dump_stack+0x30/0x40 [ 209.734728][ T6598] dump_stack_lvl+0xf8/0x160 [ 209.735351][ T6598] dump_stack+0x1c/0x5c [ 209.735915][ T6598] sysfs_create_dir_ns+0x22c/0x24c [ 209.736637][ T6598] kobject_add_internal+0x590/0xc54 [ 209.737364][ T6598] kobject_init_and_add+0x118/0x17c [ 209.738177][ T6598] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.738932][ T6598] gfs2_fill_super+0xdac/0x19e0 [ 209.739723][ T6598] get_tree_bdev+0x358/0x544 [ 209.740511][ T6598] gfs2_get_tree+0x54/0x1b4 [ 209.741234][ T6598] vfs_get_tree+0x90/0x274 [ 209.741915][ T6598] do_new_mount+0x228/0x810 [ 209.742601][ T6598] path_mount+0x5b4/0x1000 [ 209.743283][ T6598] __arm64_sys_mount+0x514/0x5e4 [ 209.743968][ T6598] invoke_syscall+0x98/0x2b8 [ 209.744620][ T6598] el0_svc_common+0x138/0x258 [ 209.745297][ T6598] do_el0_svc+0x58/0x14c [ 209.745914][ T6598] el0_svc+0x78/0x1e0 [ 209.746518][ T6598] el0t_64_sync_handler+0xcc/0xe4 [ 209.747269][ T6598] el0t_64_sync+0x1a0/0x1a4 [ 209.748216][ T6598] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.750128][ T6598] gfs2: fsid=}: error -17 adding sysfs files [ 209.884092][ T6601] loop1: detected capacity change from 0 to 32768 [ 209.962089][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.963258][ T6601] CPU: 0 PID: 6601 Comm: syz.1.557 Not tainted syzkaller #0 [ 209.964418][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 209.965951][ T6601] Call trace: [ 209.966416][ T6601] dump_backtrace+0x0/0x43c [ 209.967142][ T6601] show_stack+0x2c/0x3c [ 209.967746][ T6601] __dump_stack+0x30/0x40 [ 209.968407][ T6601] dump_stack_lvl+0xf8/0x160 [ 209.969100][ T6601] dump_stack+0x1c/0x5c [ 209.969689][ T6601] sysfs_create_dir_ns+0x22c/0x24c [ 209.970506][ T6601] kobject_add_internal+0x590/0xc54 [ 209.971334][ T6601] kobject_init_and_add+0x118/0x17c [ 209.972173][ T6601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 209.972880][ T6601] gfs2_fill_super+0xdac/0x19e0 [ 209.973610][ T6601] get_tree_bdev+0x358/0x544 [ 209.974278][ T6601] gfs2_get_tree+0x54/0x1b4 [ 209.974926][ T6601] vfs_get_tree+0x90/0x274 [ 209.975563][ T6601] do_new_mount+0x228/0x810 [ 209.976186][ T6601] path_mount+0x5b4/0x1000 [ 209.976801][ T6601] __arm64_sys_mount+0x514/0x5e4 [ 209.977521][ T6601] invoke_syscall+0x98/0x2b8 [ 209.978182][ T6601] el0_svc_common+0x138/0x258 [ 209.978877][ T6601] do_el0_svc+0x58/0x14c [ 209.979415][ T6601] el0_svc+0x78/0x1e0 [ 209.980033][ T6601] el0t_64_sync_handler+0xcc/0xe4 [ 209.980753][ T6601] el0t_64_sync+0x1a0/0x1a4 [ 209.983057][ T6601] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.984873][ T6601] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:30 executed programs: 544 [ 210.115808][ T6604] loop1: detected capacity change from 0 to 32768 [ 210.151971][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.153020][ T6604] CPU: 0 PID: 6604 Comm: syz.1.558 Not tainted syzkaller #0 [ 210.154117][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.155613][ T6604] Call trace: [ 210.156088][ T6604] dump_backtrace+0x0/0x43c [ 210.156823][ T6604] show_stack+0x2c/0x3c [ 210.157512][ T6604] __dump_stack+0x30/0x40 [ 210.158219][ T6604] dump_stack_lvl+0xf8/0x160 [ 210.158913][ T6604] dump_stack+0x1c/0x5c [ 210.159549][ T6604] sysfs_create_dir_ns+0x22c/0x24c [ 210.160356][ T6604] kobject_add_internal+0x590/0xc54 [ 210.161137][ T6604] kobject_init_and_add+0x118/0x17c [ 210.161898][ T6604] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.162621][ T6604] gfs2_fill_super+0xdac/0x19e0 [ 210.163330][ T6604] get_tree_bdev+0x358/0x544 [ 210.163984][ T6604] gfs2_get_tree+0x54/0x1b4 [ 210.164704][ T6604] vfs_get_tree+0x90/0x274 [ 210.165331][ T6604] do_new_mount+0x228/0x810 [ 210.166044][ T6604] path_mount+0x5b4/0x1000 [ 210.166697][ T6604] __arm64_sys_mount+0x514/0x5e4 [ 210.167398][ T6604] invoke_syscall+0x98/0x2b8 [ 210.168034][ T6604] el0_svc_common+0x138/0x258 [ 210.168719][ T6604] do_el0_svc+0x58/0x14c [ 210.169389][ T6604] el0_svc+0x78/0x1e0 [ 210.170062][ T6604] el0t_64_sync_handler+0xcc/0xe4 [ 210.170838][ T6604] el0t_64_sync+0x1a0/0x1a4 [ 210.172985][ T6604] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.174808][ T6604] gfs2: fsid=}: error -17 adding sysfs files [ 210.316196][ T6607] loop1: detected capacity change from 0 to 32768 [ 210.392460][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.393490][ T6607] CPU: 1 PID: 6607 Comm: syz.1.559 Not tainted syzkaller #0 [ 210.394519][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.396046][ T6607] Call trace: [ 210.396496][ T6607] dump_backtrace+0x0/0x43c [ 210.397180][ T6607] show_stack+0x2c/0x3c [ 210.397756][ T6607] __dump_stack+0x30/0x40 [ 210.398362][ T6607] dump_stack_lvl+0xf8/0x160 [ 210.399015][ T6607] dump_stack+0x1c/0x5c [ 210.399595][ T6607] sysfs_create_dir_ns+0x22c/0x24c [ 210.400302][ T6607] kobject_add_internal+0x590/0xc54 [ 210.401060][ T6607] kobject_init_and_add+0x118/0x17c [ 210.401782][ T6607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.402453][ T6607] gfs2_fill_super+0xdac/0x19e0 [ 210.403180][ T6607] get_tree_bdev+0x358/0x544 [ 210.403805][ T6607] gfs2_get_tree+0x54/0x1b4 [ 210.404475][ T6607] vfs_get_tree+0x90/0x274 [ 210.405090][ T6607] do_new_mount+0x228/0x810 [ 210.405686][ T6607] path_mount+0x5b4/0x1000 [ 210.406320][ T6607] __arm64_sys_mount+0x514/0x5e4 [ 210.406997][ T6607] invoke_syscall+0x98/0x2b8 [ 210.407606][ T6607] el0_svc_common+0x138/0x258 [ 210.408246][ T6607] do_el0_svc+0x58/0x14c [ 210.408838][ T6607] el0_svc+0x78/0x1e0 [ 210.409427][ T6607] el0t_64_sync_handler+0xcc/0xe4 [ 210.410112][ T6607] el0t_64_sync+0x1a0/0x1a4 [ 210.413167][ T6607] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.415116][ T6607] gfs2: fsid=}: error -17 adding sysfs files [ 210.617081][ T6610] loop1: detected capacity change from 0 to 32768 [ 210.671287][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.672458][ T6610] CPU: 0 PID: 6610 Comm: syz.1.560 Not tainted syzkaller #0 [ 210.673517][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.674940][ T6610] Call trace: [ 210.675378][ T6610] dump_backtrace+0x0/0x43c [ 210.675981][ T6610] show_stack+0x2c/0x3c [ 210.676560][ T6610] __dump_stack+0x30/0x40 [ 210.677216][ T6610] dump_stack_lvl+0xf8/0x160 [ 210.677973][ T6610] dump_stack+0x1c/0x5c [ 210.678595][ T6610] sysfs_create_dir_ns+0x22c/0x24c [ 210.679373][ T6610] kobject_add_internal+0x590/0xc54 [ 210.680248][ T6610] kobject_init_and_add+0x118/0x17c [ 210.681044][ T6610] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.681772][ T6610] gfs2_fill_super+0xdac/0x19e0 [ 210.682487][ T6610] get_tree_bdev+0x358/0x544 [ 210.683165][ T6610] gfs2_get_tree+0x54/0x1b4 [ 210.683800][ T6610] vfs_get_tree+0x90/0x274 [ 210.684430][ T6610] do_new_mount+0x228/0x810 [ 210.685091][ T6610] path_mount+0x5b4/0x1000 [ 210.685727][ T6610] __arm64_sys_mount+0x514/0x5e4 [ 210.686462][ T6610] invoke_syscall+0x98/0x2b8 [ 210.687148][ T6610] el0_svc_common+0x138/0x258 [ 210.687830][ T6610] do_el0_svc+0x58/0x14c [ 210.688388][ T6610] el0_svc+0x78/0x1e0 [ 210.688922][ T6610] el0t_64_sync_handler+0xcc/0xe4 [ 210.689642][ T6610] el0t_64_sync+0x1a0/0x1a4 [ 210.691069][ T6610] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.692812][ T6610] gfs2: fsid=}: error -17 adding sysfs files [ 210.823728][ T6613] loop1: detected capacity change from 0 to 32768 [ 210.871324][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.872892][ T6613] CPU: 1 PID: 6613 Comm: syz.1.561 Not tainted syzkaller #0 [ 210.874026][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 210.875415][ T6613] Call trace: [ 210.875896][ T6613] dump_backtrace+0x0/0x43c [ 210.876516][ T6613] show_stack+0x2c/0x3c [ 210.877117][ T6613] __dump_stack+0x30/0x40 [ 210.877748][ T6613] dump_stack_lvl+0xf8/0x160 [ 210.878432][ T6613] dump_stack+0x1c/0x5c [ 210.879072][ T6613] sysfs_create_dir_ns+0x22c/0x24c [ 210.879792][ T6613] kobject_add_internal+0x590/0xc54 [ 210.880502][ T6613] kobject_init_and_add+0x118/0x17c [ 210.881350][ T6613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 210.881997][ T6613] gfs2_fill_super+0xdac/0x19e0 [ 210.882717][ T6613] get_tree_bdev+0x358/0x544 [ 210.883356][ T6613] gfs2_get_tree+0x54/0x1b4 [ 210.884022][ T6613] vfs_get_tree+0x90/0x274 [ 210.884649][ T6613] do_new_mount+0x228/0x810 [ 210.885312][ T6613] path_mount+0x5b4/0x1000 [ 210.885896][ T6613] __arm64_sys_mount+0x514/0x5e4 [ 210.886580][ T6613] invoke_syscall+0x98/0x2b8 [ 210.887289][ T6613] el0_svc_common+0x138/0x258 [ 210.887940][ T6613] do_el0_svc+0x58/0x14c [ 210.888518][ T6613] el0_svc+0x78/0x1e0 [ 210.889127][ T6613] el0t_64_sync_handler+0xcc/0xe4 [ 210.889898][ T6613] el0t_64_sync+0x1a0/0x1a4 [ 210.892149][ T6613] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.894026][ T6613] gfs2: fsid=}: error -17 adding sysfs files [ 211.033585][ T6616] loop1: detected capacity change from 0 to 32768 [ 211.041569][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.042663][ T6616] CPU: 0 PID: 6616 Comm: syz.1.562 Not tainted syzkaller #0 [ 211.043784][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.045401][ T6616] Call trace: [ 211.045928][ T6616] dump_backtrace+0x0/0x43c [ 211.046643][ T6616] show_stack+0x2c/0x3c [ 211.047269][ T6616] __dump_stack+0x30/0x40 [ 211.047930][ T6616] dump_stack_lvl+0xf8/0x160 [ 211.048644][ T6616] dump_stack+0x1c/0x5c [ 211.049287][ T6616] sysfs_create_dir_ns+0x22c/0x24c [ 211.050053][ T6616] kobject_add_internal+0x590/0xc54 [ 211.050862][ T6616] kobject_init_and_add+0x118/0x17c [ 211.051639][ T6616] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.052377][ T6616] gfs2_fill_super+0xdac/0x19e0 [ 211.053162][ T6616] get_tree_bdev+0x358/0x544 [ 211.053821][ T6616] gfs2_get_tree+0x54/0x1b4 [ 211.054524][ T6616] vfs_get_tree+0x90/0x274 [ 211.055181][ T6616] do_new_mount+0x228/0x810 [ 211.055858][ T6616] path_mount+0x5b4/0x1000 [ 211.056461][ T6616] __arm64_sys_mount+0x514/0x5e4 [ 211.057173][ T6616] invoke_syscall+0x98/0x2b8 [ 211.057804][ T6616] el0_svc_common+0x138/0x258 [ 211.058422][ T6616] do_el0_svc+0x58/0x14c [ 211.059018][ T6616] el0_svc+0x78/0x1e0 [ 211.059537][ T6616] el0t_64_sync_handler+0xcc/0xe4 [ 211.060221][ T6616] el0t_64_sync+0x1a0/0x1a4 [ 211.061110][ T6616] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.062938][ T6616] gfs2: fsid=}: error -17 adding sysfs files [ 211.193779][ T6619] loop1: detected capacity change from 0 to 32768 [ 211.272343][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.273429][ T6619] CPU: 0 PID: 6619 Comm: syz.1.563 Not tainted syzkaller #0 [ 211.274489][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.276047][ T6619] Call trace: [ 211.276512][ T6619] dump_backtrace+0x0/0x43c [ 211.277116][ T6619] show_stack+0x2c/0x3c [ 211.277744][ T6619] __dump_stack+0x30/0x40 [ 211.278431][ T6619] dump_stack_lvl+0xf8/0x160 [ 211.279103][ T6619] dump_stack+0x1c/0x5c [ 211.279710][ T6619] sysfs_create_dir_ns+0x22c/0x24c [ 211.280433][ T6619] kobject_add_internal+0x590/0xc54 [ 211.281194][ T6619] kobject_init_and_add+0x118/0x17c [ 211.281903][ T6619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.282617][ T6619] gfs2_fill_super+0xdac/0x19e0 [ 211.283303][ T6619] get_tree_bdev+0x358/0x544 [ 211.283977][ T6619] gfs2_get_tree+0x54/0x1b4 [ 211.284671][ T6619] vfs_get_tree+0x90/0x274 [ 211.285329][ T6619] do_new_mount+0x228/0x810 [ 211.285975][ T6619] path_mount+0x5b4/0x1000 [ 211.286575][ T6619] __arm64_sys_mount+0x514/0x5e4 [ 211.287237][ T6619] invoke_syscall+0x98/0x2b8 [ 211.287889][ T6619] el0_svc_common+0x138/0x258 [ 211.288521][ T6619] do_el0_svc+0x58/0x14c [ 211.289134][ T6619] el0_svc+0x78/0x1e0 [ 211.289721][ T6619] el0t_64_sync_handler+0xcc/0xe4 [ 211.290416][ T6619] el0t_64_sync+0x1a0/0x1a4 [ 211.292632][ T6619] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.294546][ T6619] gfs2: fsid=}: error -17 adding sysfs files [ 211.432578][ T6622] loop1: detected capacity change from 0 to 32768 [ 211.472817][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.473817][ T6622] CPU: 0 PID: 6622 Comm: syz.1.564 Not tainted syzkaller #0 [ 211.474828][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.476150][ T6622] Call trace: [ 211.476609][ T6622] dump_backtrace+0x0/0x43c [ 211.477211][ T6622] show_stack+0x2c/0x3c [ 211.477791][ T6622] __dump_stack+0x30/0x40 [ 211.478443][ T6622] dump_stack_lvl+0xf8/0x160 [ 211.479156][ T6622] dump_stack+0x1c/0x5c [ 211.479828][ T6622] sysfs_create_dir_ns+0x22c/0x24c [ 211.480632][ T6622] kobject_add_internal+0x590/0xc54 [ 211.481442][ T6622] kobject_init_and_add+0x118/0x17c [ 211.482332][ T6622] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.483098][ T6622] gfs2_fill_super+0xdac/0x19e0 [ 211.483779][ T6622] get_tree_bdev+0x358/0x544 [ 211.484385][ T6622] gfs2_get_tree+0x54/0x1b4 [ 211.485029][ T6622] vfs_get_tree+0x90/0x274 [ 211.485614][ T6622] do_new_mount+0x228/0x810 [ 211.486207][ T6622] path_mount+0x5b4/0x1000 [ 211.486867][ T6622] __arm64_sys_mount+0x514/0x5e4 [ 211.487591][ T6622] invoke_syscall+0x98/0x2b8 [ 211.488269][ T6622] el0_svc_common+0x138/0x258 [ 211.488933][ T6622] do_el0_svc+0x58/0x14c [ 211.489571][ T6622] el0_svc+0x78/0x1e0 [ 211.490180][ T6622] el0t_64_sync_handler+0xcc/0xe4 [ 211.490857][ T6622] el0t_64_sync+0x1a0/0x1a4 [ 211.493109][ T6622] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.494812][ T6622] gfs2: fsid=}: error -17 adding sysfs files [ 211.634944][ T6625] loop1: detected capacity change from 0 to 32768 [ 211.669015][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.670117][ T6625] CPU: 1 PID: 6625 Comm: syz.1.565 Not tainted syzkaller #0 [ 211.671226][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.672699][ T6625] Call trace: [ 211.673151][ T6625] dump_backtrace+0x0/0x43c [ 211.673811][ T6625] show_stack+0x2c/0x3c [ 211.674482][ T6625] __dump_stack+0x30/0x40 [ 211.675094][ T6625] dump_stack_lvl+0xf8/0x160 [ 211.675730][ T6625] dump_stack+0x1c/0x5c [ 211.676288][ T6625] sysfs_create_dir_ns+0x22c/0x24c [ 211.677030][ T6625] kobject_add_internal+0x590/0xc54 [ 211.677766][ T6625] kobject_init_and_add+0x118/0x17c [ 211.678515][ T6625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.679180][ T6625] gfs2_fill_super+0xdac/0x19e0 [ 211.679857][ T6625] get_tree_bdev+0x358/0x544 [ 211.680484][ T6625] gfs2_get_tree+0x54/0x1b4 [ 211.681092][ T6625] vfs_get_tree+0x90/0x274 [ 211.681734][ T6625] do_new_mount+0x228/0x810 [ 211.682391][ T6625] path_mount+0x5b4/0x1000 [ 211.683020][ T6625] __arm64_sys_mount+0x514/0x5e4 [ 211.683723][ T6625] invoke_syscall+0x98/0x2b8 [ 211.684386][ T6625] el0_svc_common+0x138/0x258 [ 211.685047][ T6625] do_el0_svc+0x58/0x14c [ 211.685665][ T6625] el0_svc+0x78/0x1e0 [ 211.686192][ T6625] el0t_64_sync_handler+0xcc/0xe4 [ 211.686898][ T6625] el0t_64_sync+0x1a0/0x1a4 [ 211.692815][ T6625] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.694845][ T6625] gfs2: fsid=}: error -17 adding sysfs files [ 211.834753][ T6628] loop1: detected capacity change from 0 to 32768 [ 211.873179][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.874294][ T6628] CPU: 0 PID: 6628 Comm: syz.1.566 Not tainted syzkaller #0 [ 211.875279][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 211.876740][ T6628] Call trace: [ 211.877208][ T6628] dump_backtrace+0x0/0x43c [ 211.877913][ T6628] show_stack+0x2c/0x3c [ 211.878522][ T6628] __dump_stack+0x30/0x40 [ 211.879121][ T6628] dump_stack_lvl+0xf8/0x160 [ 211.879822][ T6628] dump_stack+0x1c/0x5c [ 211.880373][ T6628] sysfs_create_dir_ns+0x22c/0x24c [ 211.881156][ T6628] kobject_add_internal+0x590/0xc54 [ 211.881944][ T6628] kobject_init_and_add+0x118/0x17c [ 211.882737][ T6628] gfs2_sys_fs_add+0x1dc/0x3d8 [ 211.883404][ T6628] gfs2_fill_super+0xdac/0x19e0 [ 211.884142][ T6628] get_tree_bdev+0x358/0x544 [ 211.884838][ T6628] gfs2_get_tree+0x54/0x1b4 [ 211.885502][ T6628] vfs_get_tree+0x90/0x274 [ 211.886116][ T6628] do_new_mount+0x228/0x810 [ 211.886784][ T6628] path_mount+0x5b4/0x1000 [ 211.887375][ T6628] __arm64_sys_mount+0x514/0x5e4 [ 211.888034][ T6628] invoke_syscall+0x98/0x2b8 [ 211.888813][ T6628] el0_svc_common+0x138/0x258 [ 211.889545][ T6628] do_el0_svc+0x58/0x14c [ 211.890182][ T6628] el0_svc+0x78/0x1e0 [ 211.890793][ T6628] el0t_64_sync_handler+0xcc/0xe4 [ 211.891585][ T6628] el0t_64_sync+0x1a0/0x1a4 [ 211.892573][ T6628] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.894406][ T6628] gfs2: fsid=}: error -17 adding sysfs files [ 212.029023][ T6631] loop1: detected capacity change from 0 to 32768 [ 212.122368][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.123508][ T6631] CPU: 1 PID: 6631 Comm: syz.1.567 Not tainted syzkaller #0 [ 212.124575][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.126030][ T6631] Call trace: [ 212.126462][ T6631] dump_backtrace+0x0/0x43c [ 212.127110][ T6631] show_stack+0x2c/0x3c [ 212.127737][ T6631] __dump_stack+0x30/0x40 [ 212.128380][ T6631] dump_stack_lvl+0xf8/0x160 [ 212.129071][ T6631] dump_stack+0x1c/0x5c [ 212.129685][ T6631] sysfs_create_dir_ns+0x22c/0x24c [ 212.130401][ T6631] kobject_add_internal+0x590/0xc54 [ 212.131075][ T6631] kobject_init_and_add+0x118/0x17c [ 212.131813][ T6631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.132524][ T6631] gfs2_fill_super+0xdac/0x19e0 [ 212.133168][ T6631] get_tree_bdev+0x358/0x544 [ 212.133804][ T6631] gfs2_get_tree+0x54/0x1b4 [ 212.134435][ T6631] vfs_get_tree+0x90/0x274 [ 212.135049][ T6631] do_new_mount+0x228/0x810 [ 212.135667][ T6631] path_mount+0x5b4/0x1000 [ 212.136279][ T6631] __arm64_sys_mount+0x514/0x5e4 [ 212.137015][ T6631] invoke_syscall+0x98/0x2b8 [ 212.137623][ T6631] el0_svc_common+0x138/0x258 [ 212.138261][ T6631] do_el0_svc+0x58/0x14c [ 212.138801][ T6631] el0_svc+0x78/0x1e0 [ 212.139340][ T6631] el0t_64_sync_handler+0xcc/0xe4 [ 212.140058][ T6631] el0t_64_sync+0x1a0/0x1a4 [ 212.142178][ T6631] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.144043][ T6631] gfs2: fsid=}: error -17 adding sysfs files [ 212.337077][ T6634] loop1: detected capacity change from 0 to 32768 [ 212.393012][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.394167][ T6634] CPU: 1 PID: 6634 Comm: syz.1.568 Not tainted syzkaller #0 [ 212.395270][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.396690][ T6634] Call trace: [ 212.397173][ T6634] dump_backtrace+0x0/0x43c [ 212.397865][ T6634] show_stack+0x2c/0x3c [ 212.398417][ T6634] __dump_stack+0x30/0x40 [ 212.399056][ T6634] dump_stack_lvl+0xf8/0x160 [ 212.399746][ T6634] dump_stack+0x1c/0x5c [ 212.400338][ T6634] sysfs_create_dir_ns+0x22c/0x24c [ 212.401045][ T6634] kobject_add_internal+0x590/0xc54 [ 212.401811][ T6634] kobject_init_and_add+0x118/0x17c [ 212.402590][ T6634] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.403357][ T6634] gfs2_fill_super+0xdac/0x19e0 [ 212.404120][ T6634] get_tree_bdev+0x358/0x544 [ 212.404801][ T6634] gfs2_get_tree+0x54/0x1b4 [ 212.405489][ T6634] vfs_get_tree+0x90/0x274 [ 212.406132][ T6634] do_new_mount+0x228/0x810 [ 212.406824][ T6634] path_mount+0x5b4/0x1000 [ 212.407460][ T6634] __arm64_sys_mount+0x514/0x5e4 [ 212.408184][ T6634] invoke_syscall+0x98/0x2b8 [ 212.408821][ T6634] el0_svc_common+0x138/0x258 [ 212.409450][ T6634] do_el0_svc+0x58/0x14c [ 212.410035][ T6634] el0_svc+0x78/0x1e0 [ 212.410567][ T6634] el0t_64_sync_handler+0xcc/0xe4 [ 212.411270][ T6634] el0t_64_sync+0x1a0/0x1a4 [ 212.412811][ T6634] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.414667][ T6634] gfs2: fsid=}: error -17 adding sysfs files [ 212.619606][ T6637] loop1: detected capacity change from 0 to 32768 [ 212.672623][ T6637] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.673685][ T6637] CPU: 0 PID: 6637 Comm: syz.1.569 Not tainted syzkaller #0 [ 212.674784][ T6637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.676221][ T6637] Call trace: [ 212.676707][ T6637] dump_backtrace+0x0/0x43c [ 212.677376][ T6637] show_stack+0x2c/0x3c [ 212.677971][ T6637] __dump_stack+0x30/0x40 [ 212.678585][ T6637] dump_stack_lvl+0xf8/0x160 [ 212.679184][ T6637] dump_stack+0x1c/0x5c [ 212.679718][ T6637] sysfs_create_dir_ns+0x22c/0x24c [ 212.680567][ T6637] kobject_add_internal+0x590/0xc54 [ 212.681315][ T6637] kobject_init_and_add+0x118/0x17c [ 212.682148][ T6637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.682833][ T6637] gfs2_fill_super+0xdac/0x19e0 [ 212.683544][ T6637] get_tree_bdev+0x358/0x544 [ 212.684183][ T6637] gfs2_get_tree+0x54/0x1b4 [ 212.684882][ T6637] vfs_get_tree+0x90/0x274 [ 212.685503][ T6637] do_new_mount+0x228/0x810 [ 212.686127][ T6637] path_mount+0x5b4/0x1000 [ 212.686803][ T6637] __arm64_sys_mount+0x514/0x5e4 [ 212.687578][ T6637] invoke_syscall+0x98/0x2b8 [ 212.688230][ T6637] el0_svc_common+0x138/0x258 [ 212.688879][ T6637] do_el0_svc+0x58/0x14c [ 212.689493][ T6637] el0_svc+0x78/0x1e0 [ 212.690082][ T6637] el0t_64_sync_handler+0xcc/0xe4 [ 212.690826][ T6637] el0t_64_sync+0x1a0/0x1a4 [ 212.693930][ T6637] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.695881][ T6637] gfs2: fsid=}: error -17 adding sysfs files [ 212.888200][ T6640] loop1: detected capacity change from 0 to 32768 [ 212.928192][ T6640] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 212.929248][ T6640] CPU: 1 PID: 6640 Comm: syz.1.570 Not tainted syzkaller #0 [ 212.930311][ T6640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 212.931699][ T6640] Call trace: [ 212.932198][ T6640] dump_backtrace+0x0/0x43c [ 212.932830][ T6640] show_stack+0x2c/0x3c [ 212.933384][ T6640] __dump_stack+0x30/0x40 [ 212.934023][ T6640] dump_stack_lvl+0xf8/0x160 [ 212.934702][ T6640] dump_stack+0x1c/0x5c [ 212.935304][ T6640] sysfs_create_dir_ns+0x22c/0x24c [ 212.936043][ T6640] kobject_add_internal+0x590/0xc54 [ 212.936746][ T6640] kobject_init_and_add+0x118/0x17c [ 212.937494][ T6640] gfs2_sys_fs_add+0x1dc/0x3d8 [ 212.938179][ T6640] gfs2_fill_super+0xdac/0x19e0 [ 212.938859][ T6640] get_tree_bdev+0x358/0x544 [ 212.939518][ T6640] gfs2_get_tree+0x54/0x1b4 [ 212.940121][ T6640] vfs_get_tree+0x90/0x274 [ 212.940690][ T6640] do_new_mount+0x228/0x810 [ 212.941348][ T6640] path_mount+0x5b4/0x1000 [ 212.941942][ T6640] __arm64_sys_mount+0x514/0x5e4 [ 212.942633][ T6640] invoke_syscall+0x98/0x2b8 [ 212.943227][ T6640] el0_svc_common+0x138/0x258 [ 212.943906][ T6640] do_el0_svc+0x58/0x14c [ 212.944517][ T6640] el0_svc+0x78/0x1e0 [ 212.945090][ T6640] el0t_64_sync_handler+0xcc/0xe4 [ 212.945801][ T6640] el0t_64_sync+0x1a0/0x1a4 [ 212.946613][ T6640] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 212.949077][ T6640] gfs2: fsid=}: error -17 adding sysfs files [ 213.141405][ T6643] loop1: detected capacity change from 0 to 32768 [ 213.190824][ T6643] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.191890][ T6643] CPU: 0 PID: 6643 Comm: syz.1.571 Not tainted syzkaller #0 [ 213.192945][ T6643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.194423][ T6643] Call trace: [ 213.194893][ T6643] dump_backtrace+0x0/0x43c [ 213.195524][ T6643] show_stack+0x2c/0x3c [ 213.196138][ T6643] __dump_stack+0x30/0x40 [ 213.196763][ T6643] dump_stack_lvl+0xf8/0x160 [ 213.197470][ T6643] dump_stack+0x1c/0x5c [ 213.198056][ T6643] sysfs_create_dir_ns+0x22c/0x24c [ 213.198819][ T6643] kobject_add_internal+0x590/0xc54 [ 213.199601][ T6643] kobject_init_and_add+0x118/0x17c [ 213.200398][ T6643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.201083][ T6643] gfs2_fill_super+0xdac/0x19e0 [ 213.201809][ T6643] get_tree_bdev+0x358/0x544 [ 213.202531][ T6643] gfs2_get_tree+0x54/0x1b4 [ 213.203199][ T6643] vfs_get_tree+0x90/0x274 [ 213.203869][ T6643] do_new_mount+0x228/0x810 [ 213.204542][ T6643] path_mount+0x5b4/0x1000 [ 213.205226][ T6643] __arm64_sys_mount+0x514/0x5e4 [ 213.205875][ T6643] invoke_syscall+0x98/0x2b8 [ 213.206504][ T6643] el0_svc_common+0x138/0x258 [ 213.207171][ T6643] do_el0_svc+0x58/0x14c [ 213.207801][ T6643] el0_svc+0x78/0x1e0 [ 213.208354][ T6643] el0t_64_sync_handler+0xcc/0xe4 [ 213.209044][ T6643] el0t_64_sync+0x1a0/0x1a4 [ 213.211422][ T6643] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.213314][ T6643] gfs2: fsid=}: error -17 adding sysfs files [ 213.395350][ T6646] loop1: detected capacity change from 0 to 32768 [ 213.431727][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.432772][ T6646] CPU: 1 PID: 6646 Comm: syz.1.572 Not tainted syzkaller #0 [ 213.433783][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.435163][ T6646] Call trace: [ 213.435595][ T6646] dump_backtrace+0x0/0x43c [ 213.436284][ T6646] show_stack+0x2c/0x3c [ 213.436857][ T6646] __dump_stack+0x30/0x40 [ 213.437480][ T6646] dump_stack_lvl+0xf8/0x160 [ 213.438162][ T6646] dump_stack+0x1c/0x5c [ 213.438732][ T6646] sysfs_create_dir_ns+0x22c/0x24c [ 213.439432][ T6646] kobject_add_internal+0x590/0xc54 [ 213.440205][ T6646] kobject_init_and_add+0x118/0x17c [ 213.440882][ T6646] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.441561][ T6646] gfs2_fill_super+0xdac/0x19e0 [ 213.442271][ T6646] get_tree_bdev+0x358/0x544 [ 213.442837][ T6646] gfs2_get_tree+0x54/0x1b4 [ 213.443416][ T6646] vfs_get_tree+0x90/0x274 [ 213.443991][ T6646] do_new_mount+0x228/0x810 [ 213.444634][ T6646] path_mount+0x5b4/0x1000 [ 213.445254][ T6646] __arm64_sys_mount+0x514/0x5e4 [ 213.445902][ T6646] invoke_syscall+0x98/0x2b8 [ 213.446532][ T6646] el0_svc_common+0x138/0x258 [ 213.447170][ T6646] do_el0_svc+0x58/0x14c [ 213.447770][ T6646] el0_svc+0x78/0x1e0 [ 213.448324][ T6646] el0t_64_sync_handler+0xcc/0xe4 [ 213.449027][ T6646] el0t_64_sync+0x1a0/0x1a4 [ 213.451181][ T6646] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.452956][ T6646] gfs2: fsid=}: error -17 adding sysfs files [ 213.588217][ T6649] loop1: detected capacity change from 0 to 32768 [ 213.595778][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.597111][ T6649] CPU: 1 PID: 6649 Comm: syz.1.573 Not tainted syzkaller #0 [ 213.598056][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.599409][ T6649] Call trace: [ 213.599851][ T6649] dump_backtrace+0x0/0x43c [ 213.600460][ T6649] show_stack+0x2c/0x3c [ 213.601033][ T6649] __dump_stack+0x30/0x40 [ 213.601590][ T6649] dump_stack_lvl+0xf8/0x160 [ 213.602267][ T6649] dump_stack+0x1c/0x5c [ 213.602802][ T6649] sysfs_create_dir_ns+0x22c/0x24c [ 213.603472][ T6649] kobject_add_internal+0x590/0xc54 [ 213.604168][ T6649] kobject_init_and_add+0x118/0x17c [ 213.604899][ T6649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.605540][ T6649] gfs2_fill_super+0xdac/0x19e0 [ 213.606201][ T6649] get_tree_bdev+0x358/0x544 [ 213.606794][ T6649] gfs2_get_tree+0x54/0x1b4 [ 213.607435][ T6649] vfs_get_tree+0x90/0x274 [ 213.608061][ T6649] do_new_mount+0x228/0x810 [ 213.608738][ T6649] path_mount+0x5b4/0x1000 [ 213.609364][ T6649] __arm64_sys_mount+0x514/0x5e4 [ 213.610079][ T6649] invoke_syscall+0x98/0x2b8 [ 213.610721][ T6649] el0_svc_common+0x138/0x258 [ 213.611331][ T6649] do_el0_svc+0x58/0x14c [ 213.611953][ T6649] el0_svc+0x78/0x1e0 [ 213.612487][ T6649] el0t_64_sync_handler+0xcc/0xe4 [ 213.613145][ T6649] el0t_64_sync+0x1a0/0x1a4 [ 213.615575][ T6649] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.617413][ T6649] gfs2: fsid=}: error -17 adding sysfs files [ 213.757064][ T6652] loop1: detected capacity change from 0 to 32768 [ 213.765176][ T6652] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.766254][ T6652] CPU: 0 PID: 6652 Comm: syz.1.574 Not tainted syzkaller #0 [ 213.767374][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.768873][ T6652] Call trace: [ 213.769405][ T6652] dump_backtrace+0x0/0x43c [ 213.770060][ T6652] show_stack+0x2c/0x3c [ 213.770746][ T6652] __dump_stack+0x30/0x40 [ 213.771414][ T6652] dump_stack_lvl+0xf8/0x160 [ 213.772072][ T6652] dump_stack+0x1c/0x5c [ 213.772667][ T6652] sysfs_create_dir_ns+0x22c/0x24c [ 213.773414][ T6652] kobject_add_internal+0x590/0xc54 [ 213.774203][ T6652] kobject_init_and_add+0x118/0x17c [ 213.774949][ T6652] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.775645][ T6652] gfs2_fill_super+0xdac/0x19e0 [ 213.776326][ T6652] get_tree_bdev+0x358/0x544 [ 213.776979][ T6652] gfs2_get_tree+0x54/0x1b4 [ 213.777624][ T6652] vfs_get_tree+0x90/0x274 [ 213.778251][ T6652] do_new_mount+0x228/0x810 [ 213.778888][ T6652] path_mount+0x5b4/0x1000 [ 213.779453][ T6652] __arm64_sys_mount+0x514/0x5e4 [ 213.780239][ T6652] invoke_syscall+0x98/0x2b8 [ 213.780931][ T6652] el0_svc_common+0x138/0x258 [ 213.781676][ T6652] do_el0_svc+0x58/0x14c [ 213.782355][ T6652] el0_svc+0x78/0x1e0 [ 213.782949][ T6652] el0t_64_sync_handler+0xcc/0xe4 [ 213.783673][ T6652] el0t_64_sync+0x1a0/0x1a4 [ 213.786019][ T6652] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.789357][ T6652] gfs2: fsid=}: error -17 adding sysfs files [ 213.926445][ T6655] loop1: detected capacity change from 0 to 32768 [ 213.934398][ T6655] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.935395][ T6655] CPU: 1 PID: 6655 Comm: syz.1.575 Not tainted syzkaller #0 [ 213.936409][ T6655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 213.937844][ T6655] Call trace: [ 213.938282][ T6655] dump_backtrace+0x0/0x43c [ 213.938916][ T6655] show_stack+0x2c/0x3c [ 213.939533][ T6655] __dump_stack+0x30/0x40 [ 213.940118][ T6655] dump_stack_lvl+0xf8/0x160 [ 213.940745][ T6655] dump_stack+0x1c/0x5c [ 213.941315][ T6655] sysfs_create_dir_ns+0x22c/0x24c [ 213.942000][ T6655] kobject_add_internal+0x590/0xc54 [ 213.942750][ T6655] kobject_init_and_add+0x118/0x17c [ 213.943456][ T6655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 213.944121][ T6655] gfs2_fill_super+0xdac/0x19e0 [ 213.944782][ T6655] get_tree_bdev+0x358/0x544 [ 213.945448][ T6655] gfs2_get_tree+0x54/0x1b4 [ 213.946119][ T6655] vfs_get_tree+0x90/0x274 [ 213.946708][ T6655] do_new_mount+0x228/0x810 [ 213.947382][ T6655] path_mount+0x5b4/0x1000 [ 213.947968][ T6655] __arm64_sys_mount+0x514/0x5e4 [ 213.948641][ T6655] invoke_syscall+0x98/0x2b8 [ 213.949206][ T6655] el0_svc_common+0x138/0x258 [ 213.949844][ T6655] do_el0_svc+0x58/0x14c [ 213.950423][ T6655] el0_svc+0x78/0x1e0 [ 213.950933][ T6655] el0t_64_sync_handler+0xcc/0xe4 [ 213.951590][ T6655] el0t_64_sync+0x1a0/0x1a4 [ 213.953740][ T6655] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.955531][ T6655] gfs2: fsid=}: error -17 adding sysfs files [ 214.090899][ T6658] loop1: detected capacity change from 0 to 32768 [ 214.128959][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.130083][ T6658] CPU: 1 PID: 6658 Comm: syz.1.576 Not tainted syzkaller #0 [ 214.131308][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.132991][ T6658] Call trace: [ 214.133481][ T6658] dump_backtrace+0x0/0x43c [ 214.134110][ T6658] show_stack+0x2c/0x3c [ 214.134726][ T6658] __dump_stack+0x30/0x40 [ 214.135353][ T6658] dump_stack_lvl+0xf8/0x160 [ 214.136008][ T6658] dump_stack+0x1c/0x5c [ 214.136609][ T6658] sysfs_create_dir_ns+0x22c/0x24c [ 214.137296][ T6658] kobject_add_internal+0x590/0xc54 [ 214.137978][ T6658] kobject_init_and_add+0x118/0x17c [ 214.138671][ T6658] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.139315][ T6658] gfs2_fill_super+0xdac/0x19e0 [ 214.139986][ T6658] get_tree_bdev+0x358/0x544 [ 214.140630][ T6658] gfs2_get_tree+0x54/0x1b4 [ 214.141236][ T6658] vfs_get_tree+0x90/0x274 [ 214.141895][ T6658] do_new_mount+0x228/0x810 [ 214.142502][ T6658] path_mount+0x5b4/0x1000 [ 214.143119][ T6658] __arm64_sys_mount+0x514/0x5e4 [ 214.143792][ T6658] invoke_syscall+0x98/0x2b8 [ 214.144442][ T6658] el0_svc_common+0x138/0x258 [ 214.145090][ T6658] do_el0_svc+0x58/0x14c [ 214.145681][ T6658] el0_svc+0x78/0x1e0 [ 214.146221][ T6658] el0t_64_sync_handler+0xcc/0xe4 [ 214.146921][ T6658] el0t_64_sync+0x1a0/0x1a4 [ 214.147859][ T6658] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.149578][ T6658] gfs2: fsid=}: error -17 adding sysfs files [ 214.348770][ T6661] loop1: detected capacity change from 0 to 32768 [ 214.401592][ T6661] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.402625][ T6661] CPU: 0 PID: 6661 Comm: syz.1.577 Not tainted syzkaller #0 [ 214.403760][ T6661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.405276][ T6661] Call trace: [ 214.405735][ T6661] dump_backtrace+0x0/0x43c [ 214.406419][ T6661] show_stack+0x2c/0x3c [ 214.407016][ T6661] __dump_stack+0x30/0x40 [ 214.407690][ T6661] dump_stack_lvl+0xf8/0x160 [ 214.408372][ T6661] dump_stack+0x1c/0x5c [ 214.408984][ T6661] sysfs_create_dir_ns+0x22c/0x24c [ 214.409769][ T6661] kobject_add_internal+0x590/0xc54 [ 214.410488][ T6661] kobject_init_and_add+0x118/0x17c [ 214.411286][ T6661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.411972][ T6661] gfs2_fill_super+0xdac/0x19e0 [ 214.412655][ T6661] get_tree_bdev+0x358/0x544 [ 214.413288][ T6661] gfs2_get_tree+0x54/0x1b4 [ 214.413920][ T6661] vfs_get_tree+0x90/0x274 [ 214.414582][ T6661] do_new_mount+0x228/0x810 [ 214.415219][ T6661] path_mount+0x5b4/0x1000 [ 214.415890][ T6661] __arm64_sys_mount+0x514/0x5e4 [ 214.416712][ T6661] invoke_syscall+0x98/0x2b8 [ 214.417402][ T6661] el0_svc_common+0x138/0x258 [ 214.418103][ T6661] do_el0_svc+0x58/0x14c [ 214.418781][ T6661] el0_svc+0x78/0x1e0 [ 214.419347][ T6661] el0t_64_sync_handler+0xcc/0xe4 [ 214.420036][ T6661] el0t_64_sync+0x1a0/0x1a4 [ 214.422215][ T6661] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.424031][ T6661] gfs2: fsid=}: error -17 adding sysfs files [ 214.560166][ T6664] loop1: detected capacity change from 0 to 32768 [ 214.602285][ T6664] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.603460][ T6664] CPU: 0 PID: 6664 Comm: syz.1.578 Not tainted syzkaller #0 [ 214.604582][ T6664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.606074][ T6664] Call trace: [ 214.606518][ T6664] dump_backtrace+0x0/0x43c [ 214.607213][ T6664] show_stack+0x2c/0x3c [ 214.607885][ T6664] __dump_stack+0x30/0x40 [ 214.608546][ T6664] dump_stack_lvl+0xf8/0x160 [ 214.609252][ T6664] dump_stack+0x1c/0x5c [ 214.609875][ T6664] sysfs_create_dir_ns+0x22c/0x24c [ 214.610593][ T6664] kobject_add_internal+0x590/0xc54 [ 214.611408][ T6664] kobject_init_and_add+0x118/0x17c [ 214.612122][ T6664] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.612780][ T6664] gfs2_fill_super+0xdac/0x19e0 [ 214.613478][ T6664] get_tree_bdev+0x358/0x544 [ 214.614172][ T6664] gfs2_get_tree+0x54/0x1b4 [ 214.614791][ T6664] vfs_get_tree+0x90/0x274 [ 214.615432][ T6664] do_new_mount+0x228/0x810 [ 214.616137][ T6664] path_mount+0x5b4/0x1000 [ 214.616791][ T6664] __arm64_sys_mount+0x514/0x5e4 [ 214.617481][ T6664] invoke_syscall+0x98/0x2b8 [ 214.618185][ T6664] el0_svc_common+0x138/0x258 [ 214.618832][ T6664] do_el0_svc+0x58/0x14c [ 214.619427][ T6664] el0_svc+0x78/0x1e0 [ 214.620013][ T6664] el0t_64_sync_handler+0xcc/0xe4 [ 214.620712][ T6664] el0t_64_sync+0x1a0/0x1a4 [ 214.622876][ T6664] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.624694][ T6664] gfs2: fsid=}: error -17 adding sysfs files [ 214.762072][ T6667] loop1: detected capacity change from 0 to 32768 [ 214.801856][ T6667] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.802969][ T6667] CPU: 0 PID: 6667 Comm: syz.1.579 Not tainted syzkaller #0 [ 214.804059][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 214.805543][ T6667] Call trace: [ 214.806015][ T6667] dump_backtrace+0x0/0x43c [ 214.806715][ T6667] show_stack+0x2c/0x3c [ 214.807375][ T6667] __dump_stack+0x30/0x40 [ 214.808065][ T6667] dump_stack_lvl+0xf8/0x160 [ 214.808761][ T6667] dump_stack+0x1c/0x5c [ 214.809368][ T6667] sysfs_create_dir_ns+0x22c/0x24c [ 214.810134][ T6667] kobject_add_internal+0x590/0xc54 [ 214.810931][ T6667] kobject_init_and_add+0x118/0x17c [ 214.811715][ T6667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 214.812400][ T6667] gfs2_fill_super+0xdac/0x19e0 [ 214.813122][ T6667] get_tree_bdev+0x358/0x544 [ 214.813788][ T6667] gfs2_get_tree+0x54/0x1b4 [ 214.814459][ T6667] vfs_get_tree+0x90/0x274 [ 214.815105][ T6667] do_new_mount+0x228/0x810 [ 214.815801][ T6667] path_mount+0x5b4/0x1000 [ 214.816505][ T6667] __arm64_sys_mount+0x514/0x5e4 [ 214.817234][ T6667] invoke_syscall+0x98/0x2b8 [ 214.817870][ T6667] el0_svc_common+0x138/0x258 [ 214.818502][ T6667] do_el0_svc+0x58/0x14c [ 214.819115][ T6667] el0_svc+0x78/0x1e0 [ 214.819667][ T6667] el0t_64_sync_handler+0xcc/0xe4 [ 214.820343][ T6667] el0t_64_sync+0x1a0/0x1a4 [ 214.822432][ T6667] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.824473][ T6667] gfs2: fsid=}: error -17 adding sysfs files [ 215.007582][ T6670] loop1: detected capacity change from 0 to 32768 [ 215.036981][ T4226] Bluetooth: hci1: command 0x0406 tx timeout [ 215.062801][ T6670] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.063898][ T6670] CPU: 1 PID: 6670 Comm: syz.1.580 Not tainted syzkaller #0 [ 215.064987][ T6670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.066475][ T6670] Call trace: [ 215.066992][ T6670] dump_backtrace+0x0/0x43c [ 215.067667][ T6670] show_stack+0x2c/0x3c [ 215.068289][ T6670] __dump_stack+0x30/0x40 [ 215.068943][ T6670] dump_stack_lvl+0xf8/0x160 [ 215.069637][ T6670] dump_stack+0x1c/0x5c [ 215.070276][ T6670] sysfs_create_dir_ns+0x22c/0x24c [ 215.071049][ T6670] kobject_add_internal+0x590/0xc54 [ 215.071782][ T6670] kobject_init_and_add+0x118/0x17c [ 215.072493][ T6670] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.073145][ T6670] gfs2_fill_super+0xdac/0x19e0 [ 215.073838][ T6670] get_tree_bdev+0x358/0x544 [ 215.074472][ T6670] gfs2_get_tree+0x54/0x1b4 [ 215.075070][ T6670] vfs_get_tree+0x90/0x274 [ 215.075713][ T6670] do_new_mount+0x228/0x810 [ 215.076326][ T6670] path_mount+0x5b4/0x1000 [ 215.076928][ T6670] __arm64_sys_mount+0x514/0x5e4 [ 215.077646][ T6670] invoke_syscall+0x98/0x2b8 [ 215.078245][ T6670] el0_svc_common+0x138/0x258 [ 215.078877][ T6670] do_el0_svc+0x58/0x14c [ 215.079499][ T6670] el0_svc+0x78/0x1e0 [ 215.080046][ T6670] el0t_64_sync_handler+0xcc/0xe4 [ 215.080755][ T6670] el0t_64_sync+0x1a0/0x1a4 [ 215.081619][ T6670] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.083462][ T6670] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:35 executed programs: 567 [ 215.228262][ T6673] loop1: detected capacity change from 0 to 32768 [ 215.293740][ T6673] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.294783][ T6673] CPU: 0 PID: 6673 Comm: syz.1.581 Not tainted syzkaller #0 [ 215.295786][ T6673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.297142][ T6673] Call trace: [ 215.297661][ T6673] dump_backtrace+0x0/0x43c [ 215.298290][ T6673] show_stack+0x2c/0x3c [ 215.298886][ T6673] __dump_stack+0x30/0x40 [ 215.299547][ T6673] dump_stack_lvl+0xf8/0x160 [ 215.300206][ T6673] dump_stack+0x1c/0x5c [ 215.300870][ T6673] sysfs_create_dir_ns+0x22c/0x24c [ 215.301639][ T6673] kobject_add_internal+0x590/0xc54 [ 215.302391][ T6673] kobject_init_and_add+0x118/0x17c [ 215.303180][ T6673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.303831][ T6673] gfs2_fill_super+0xdac/0x19e0 [ 215.304604][ T6673] get_tree_bdev+0x358/0x544 [ 215.305275][ T6673] gfs2_get_tree+0x54/0x1b4 [ 215.305902][ T6673] vfs_get_tree+0x90/0x274 [ 215.306565][ T6673] do_new_mount+0x228/0x810 [ 215.307175][ T6673] path_mount+0x5b4/0x1000 [ 215.307794][ T6673] __arm64_sys_mount+0x514/0x5e4 [ 215.308513][ T6673] invoke_syscall+0x98/0x2b8 [ 215.309200][ T6673] el0_svc_common+0x138/0x258 [ 215.309859][ T6673] do_el0_svc+0x58/0x14c [ 215.310469][ T6673] el0_svc+0x78/0x1e0 [ 215.311038][ T6673] el0t_64_sync_handler+0xcc/0xe4 [ 215.311772][ T6673] el0t_64_sync+0x1a0/0x1a4 [ 215.313896][ T6673] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.315702][ T6673] gfs2: fsid=}: error -17 adding sysfs files [ 215.457474][ T6676] loop1: detected capacity change from 0 to 32768 [ 215.464893][ T6676] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.465925][ T6676] CPU: 1 PID: 6676 Comm: syz.1.582 Not tainted syzkaller #0 [ 215.466990][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.468349][ T6676] Call trace: [ 215.468786][ T6676] dump_backtrace+0x0/0x43c [ 215.469449][ T6676] show_stack+0x2c/0x3c [ 215.470039][ T6676] __dump_stack+0x30/0x40 [ 215.470693][ T6676] dump_stack_lvl+0xf8/0x160 [ 215.471339][ T6676] dump_stack+0x1c/0x5c [ 215.471977][ T6676] sysfs_create_dir_ns+0x22c/0x24c [ 215.472704][ T6676] kobject_add_internal+0x590/0xc54 [ 215.473470][ T6676] kobject_init_and_add+0x118/0x17c [ 215.474222][ T6676] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.474915][ T6676] gfs2_fill_super+0xdac/0x19e0 [ 215.475597][ T6676] get_tree_bdev+0x358/0x544 [ 215.476248][ T6676] gfs2_get_tree+0x54/0x1b4 [ 215.476863][ T6676] vfs_get_tree+0x90/0x274 [ 215.477541][ T6676] do_new_mount+0x228/0x810 [ 215.478204][ T6676] path_mount+0x5b4/0x1000 [ 215.478819][ T6676] __arm64_sys_mount+0x514/0x5e4 [ 215.479494][ T6676] invoke_syscall+0x98/0x2b8 [ 215.480142][ T6676] el0_svc_common+0x138/0x258 [ 215.480820][ T6676] do_el0_svc+0x58/0x14c [ 215.481411][ T6676] el0_svc+0x78/0x1e0 [ 215.481996][ T6676] el0t_64_sync_handler+0xcc/0xe4 [ 215.482704][ T6676] el0t_64_sync+0x1a0/0x1a4 [ 215.483477][ T6676] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.485183][ T6676] gfs2: fsid=}: error -17 adding sysfs files [ 215.697377][ T6679] loop1: detected capacity change from 0 to 32768 [ 215.752814][ T6679] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.753915][ T6679] CPU: 0 PID: 6679 Comm: syz.1.583 Not tainted syzkaller #0 [ 215.755089][ T6679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.756537][ T6679] Call trace: [ 215.757041][ T6679] dump_backtrace+0x0/0x43c [ 215.757785][ T6679] show_stack+0x2c/0x3c [ 215.758481][ T6679] __dump_stack+0x30/0x40 [ 215.759216][ T6679] dump_stack_lvl+0xf8/0x160 [ 215.759966][ T6679] dump_stack+0x1c/0x5c [ 215.760685][ T6679] sysfs_create_dir_ns+0x22c/0x24c [ 215.761502][ T6679] kobject_add_internal+0x590/0xc54 [ 215.762315][ T6679] kobject_init_and_add+0x118/0x17c [ 215.763105][ T6679] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.763828][ T6679] gfs2_fill_super+0xdac/0x19e0 [ 215.764538][ T6679] get_tree_bdev+0x358/0x544 [ 215.765244][ T6679] gfs2_get_tree+0x54/0x1b4 [ 215.765935][ T6679] vfs_get_tree+0x90/0x274 [ 215.766573][ T6679] do_new_mount+0x228/0x810 [ 215.767241][ T6679] path_mount+0x5b4/0x1000 [ 215.767848][ T6679] __arm64_sys_mount+0x514/0x5e4 [ 215.768508][ T6679] invoke_syscall+0x98/0x2b8 [ 215.769130][ T6679] el0_svc_common+0x138/0x258 [ 215.769786][ T6679] do_el0_svc+0x58/0x14c [ 215.770396][ T6679] el0_svc+0x78/0x1e0 [ 215.770970][ T6679] el0t_64_sync_handler+0xcc/0xe4 [ 215.771670][ T6679] el0t_64_sync+0x1a0/0x1a4 [ 215.773883][ T6679] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.775799][ T6679] gfs2: fsid=}: error -17 adding sysfs files [ 215.912579][ T6682] loop1: detected capacity change from 0 to 32768 [ 215.953393][ T6682] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.954347][ T6682] CPU: 1 PID: 6682 Comm: syz.1.584 Not tainted syzkaller #0 [ 215.955387][ T6682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 215.956831][ T6682] Call trace: [ 215.957323][ T6682] dump_backtrace+0x0/0x43c [ 215.957959][ T6682] show_stack+0x2c/0x3c [ 215.958547][ T6682] __dump_stack+0x30/0x40 [ 215.959142][ T6682] dump_stack_lvl+0xf8/0x160 [ 215.959772][ T6682] dump_stack+0x1c/0x5c [ 215.960328][ T6682] sysfs_create_dir_ns+0x22c/0x24c [ 215.961013][ T6682] kobject_add_internal+0x590/0xc54 [ 215.961772][ T6682] kobject_init_and_add+0x118/0x17c [ 215.962553][ T6682] gfs2_sys_fs_add+0x1dc/0x3d8 [ 215.963211][ T6682] gfs2_fill_super+0xdac/0x19e0 [ 215.963885][ T6682] get_tree_bdev+0x358/0x544 [ 215.964519][ T6682] gfs2_get_tree+0x54/0x1b4 [ 215.965146][ T6682] vfs_get_tree+0x90/0x274 [ 215.965764][ T6682] do_new_mount+0x228/0x810 [ 215.966424][ T6682] path_mount+0x5b4/0x1000 [ 215.967065][ T6682] __arm64_sys_mount+0x514/0x5e4 [ 215.967716][ T6682] invoke_syscall+0x98/0x2b8 [ 215.968364][ T6682] el0_svc_common+0x138/0x258 [ 215.969047][ T6682] do_el0_svc+0x58/0x14c [ 215.969649][ T6682] el0_svc+0x78/0x1e0 [ 215.970271][ T6682] el0t_64_sync_handler+0xcc/0xe4 [ 215.970983][ T6682] el0t_64_sync+0x1a0/0x1a4 [ 215.972058][ T6682] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.974058][ T6682] gfs2: fsid=}: error -17 adding sysfs files [ 216.106544][ T6685] loop1: detected capacity change from 0 to 32768 [ 216.148743][ T6685] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.149790][ T6685] CPU: 1 PID: 6685 Comm: syz.1.585 Not tainted syzkaller #0 [ 216.150967][ T6685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.152337][ T6685] Call trace: [ 216.152789][ T6685] dump_backtrace+0x0/0x43c [ 216.153472][ T6685] show_stack+0x2c/0x3c [ 216.154082][ T6685] __dump_stack+0x30/0x40 [ 216.154732][ T6685] dump_stack_lvl+0xf8/0x160 [ 216.155411][ T6685] dump_stack+0x1c/0x5c [ 216.156034][ T6685] sysfs_create_dir_ns+0x22c/0x24c [ 216.156756][ T6685] kobject_add_internal+0x590/0xc54 [ 216.157534][ T6685] kobject_init_and_add+0x118/0x17c [ 216.158254][ T6685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.158897][ T6685] gfs2_fill_super+0xdac/0x19e0 [ 216.159537][ T6685] get_tree_bdev+0x358/0x544 [ 216.160174][ T6685] gfs2_get_tree+0x54/0x1b4 [ 216.160775][ T6685] vfs_get_tree+0x90/0x274 [ 216.161357][ T6685] do_new_mount+0x228/0x810 [ 216.161940][ T6685] path_mount+0x5b4/0x1000 [ 216.162536][ T6685] __arm64_sys_mount+0x514/0x5e4 [ 216.163178][ T6685] invoke_syscall+0x98/0x2b8 [ 216.163783][ T6685] el0_svc_common+0x138/0x258 [ 216.164575][ T6685] do_el0_svc+0x58/0x14c [ 216.165290][ T6685] el0_svc+0x78/0x1e0 [ 216.165926][ T6685] el0t_64_sync_handler+0xcc/0xe4 [ 216.166752][ T6685] el0t_64_sync+0x1a0/0x1a4 [ 216.169057][ T6685] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.170730][ T6685] gfs2: fsid=}: error -17 adding sysfs files [ 216.363706][ T6688] loop1: detected capacity change from 0 to 32768 [ 216.402822][ T6688] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.403848][ T6688] CPU: 1 PID: 6688 Comm: syz.1.586 Not tainted syzkaller #0 [ 216.404868][ T6688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.406271][ T6688] Call trace: [ 216.406711][ T6688] dump_backtrace+0x0/0x43c [ 216.407377][ T6688] show_stack+0x2c/0x3c [ 216.408040][ T6688] __dump_stack+0x30/0x40 [ 216.408620][ T6688] dump_stack_lvl+0xf8/0x160 [ 216.409287][ T6688] dump_stack+0x1c/0x5c [ 216.409886][ T6688] sysfs_create_dir_ns+0x22c/0x24c [ 216.410593][ T6688] kobject_add_internal+0x590/0xc54 [ 216.411342][ T6688] kobject_init_and_add+0x118/0x17c [ 216.412059][ T6688] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.412729][ T6688] gfs2_fill_super+0xdac/0x19e0 [ 216.413498][ T6688] get_tree_bdev+0x358/0x544 [ 216.414158][ T6688] gfs2_get_tree+0x54/0x1b4 [ 216.414796][ T6688] vfs_get_tree+0x90/0x274 [ 216.415406][ T6688] do_new_mount+0x228/0x810 [ 216.416039][ T6688] path_mount+0x5b4/0x1000 [ 216.416691][ T6688] __arm64_sys_mount+0x514/0x5e4 [ 216.417377][ T6688] invoke_syscall+0x98/0x2b8 [ 216.418092][ T6688] el0_svc_common+0x138/0x258 [ 216.418767][ T6688] do_el0_svc+0x58/0x14c [ 216.419400][ T6688] el0_svc+0x78/0x1e0 [ 216.419977][ T6688] el0t_64_sync_handler+0xcc/0xe4 [ 216.420663][ T6688] el0t_64_sync+0x1a0/0x1a4 [ 216.428354][ T6688] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.430186][ T6688] gfs2: fsid=}: error -17 adding sysfs files [ 216.566926][ T6691] loop1: detected capacity change from 0 to 32768 [ 216.623103][ T6691] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.624202][ T6691] CPU: 1 PID: 6691 Comm: syz.1.587 Not tainted syzkaller #0 [ 216.625197][ T6691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.626608][ T6691] Call trace: [ 216.627049][ T6691] dump_backtrace+0x0/0x43c [ 216.627678][ T6691] show_stack+0x2c/0x3c [ 216.628252][ T6691] __dump_stack+0x30/0x40 [ 216.628861][ T6691] dump_stack_lvl+0xf8/0x160 [ 216.629620][ T6691] dump_stack+0x1c/0x5c [ 216.630276][ T6691] sysfs_create_dir_ns+0x22c/0x24c [ 216.630994][ T6691] kobject_add_internal+0x590/0xc54 [ 216.631754][ T6691] kobject_init_and_add+0x118/0x17c [ 216.632517][ T6691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.633209][ T6691] gfs2_fill_super+0xdac/0x19e0 [ 216.633924][ T6691] get_tree_bdev+0x358/0x544 [ 216.634573][ T6691] gfs2_get_tree+0x54/0x1b4 [ 216.635196][ T6691] vfs_get_tree+0x90/0x274 [ 216.635868][ T6691] do_new_mount+0x228/0x810 [ 216.636502][ T6691] path_mount+0x5b4/0x1000 [ 216.637107][ T6691] __arm64_sys_mount+0x514/0x5e4 [ 216.637808][ T6691] invoke_syscall+0x98/0x2b8 [ 216.638476][ T6691] el0_svc_common+0x138/0x258 [ 216.639135][ T6691] do_el0_svc+0x58/0x14c [ 216.639709][ T6691] el0_svc+0x78/0x1e0 [ 216.640313][ T6691] el0t_64_sync_handler+0xcc/0xe4 [ 216.640989][ T6691] el0t_64_sync+0x1a0/0x1a4 [ 216.642396][ T6691] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.644269][ T6691] gfs2: fsid=}: error -17 adding sysfs files [ 216.807155][ T6694] loop1: detected capacity change from 0 to 32768 [ 216.899015][ T6694] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.900161][ T6694] CPU: 0 PID: 6694 Comm: syz.1.588 Not tainted syzkaller #0 [ 216.901180][ T6694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 216.902580][ T6694] Call trace: [ 216.903012][ T6694] dump_backtrace+0x0/0x43c [ 216.903645][ T6694] show_stack+0x2c/0x3c [ 216.904225][ T6694] __dump_stack+0x30/0x40 [ 216.904839][ T6694] dump_stack_lvl+0xf8/0x160 [ 216.905460][ T6694] dump_stack+0x1c/0x5c [ 216.906130][ T6694] sysfs_create_dir_ns+0x22c/0x24c [ 216.906963][ T6694] kobject_add_internal+0x590/0xc54 [ 216.907803][ T6694] kobject_init_and_add+0x118/0x17c [ 216.908549][ T6694] gfs2_sys_fs_add+0x1dc/0x3d8 [ 216.909219][ T6694] gfs2_fill_super+0xdac/0x19e0 [ 216.909944][ T6694] get_tree_bdev+0x358/0x544 [ 216.910631][ T6694] gfs2_get_tree+0x54/0x1b4 [ 216.911275][ T6694] vfs_get_tree+0x90/0x274 [ 216.911914][ T6694] do_new_mount+0x228/0x810 [ 216.912609][ T6694] path_mount+0x5b4/0x1000 [ 216.913245][ T6694] __arm64_sys_mount+0x514/0x5e4 [ 216.914037][ T6694] invoke_syscall+0x98/0x2b8 [ 216.914745][ T6694] el0_svc_common+0x138/0x258 [ 216.915459][ T6694] do_el0_svc+0x58/0x14c [ 216.916096][ T6694] el0_svc+0x78/0x1e0 [ 216.916714][ T6694] el0t_64_sync_handler+0xcc/0xe4 [ 216.917492][ T6694] el0t_64_sync+0x1a0/0x1a4 [ 216.918423][ T6694] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.920225][ T6694] gfs2: fsid=}: error -17 adding sysfs files [ 217.092627][ T6697] loop1: detected capacity change from 0 to 32768 [ 217.139279][ T6697] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.140444][ T6697] CPU: 0 PID: 6697 Comm: syz.1.589 Not tainted syzkaller #0 [ 217.141512][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.142955][ T6697] Call trace: [ 217.143438][ T6697] dump_backtrace+0x0/0x43c [ 217.144069][ T6697] show_stack+0x2c/0x3c [ 217.144671][ T6697] __dump_stack+0x30/0x40 [ 217.145315][ T6697] dump_stack_lvl+0xf8/0x160 [ 217.145975][ T6697] dump_stack+0x1c/0x5c [ 217.146591][ T6697] sysfs_create_dir_ns+0x22c/0x24c [ 217.147277][ T6697] kobject_add_internal+0x590/0xc54 [ 217.148040][ T6697] kobject_init_and_add+0x118/0x17c [ 217.148807][ T6697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.149588][ T6697] gfs2_fill_super+0xdac/0x19e0 [ 217.150285][ T6697] get_tree_bdev+0x358/0x544 [ 217.150983][ T6697] gfs2_get_tree+0x54/0x1b4 [ 217.151628][ T6697] vfs_get_tree+0x90/0x274 [ 217.152233][ T6697] do_new_mount+0x228/0x810 [ 217.152858][ T6697] path_mount+0x5b4/0x1000 [ 217.153472][ T6697] __arm64_sys_mount+0x514/0x5e4 [ 217.154164][ T6697] invoke_syscall+0x98/0x2b8 [ 217.154797][ T6697] el0_svc_common+0x138/0x258 [ 217.155482][ T6697] do_el0_svc+0x58/0x14c [ 217.156045][ T6697] el0_svc+0x78/0x1e0 [ 217.156575][ T6697] el0t_64_sync_handler+0xcc/0xe4 [ 217.157314][ T6697] el0t_64_sync+0x1a0/0x1a4 [ 217.158723][ T6697] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.160606][ T6697] gfs2: fsid=}: error -17 adding sysfs files [ 217.344535][ T6700] loop1: detected capacity change from 0 to 32768 [ 217.382601][ T6700] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.383671][ T6700] CPU: 0 PID: 6700 Comm: syz.1.590 Not tainted syzkaller #0 [ 217.384715][ T6700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.386179][ T6700] Call trace: [ 217.386681][ T6700] dump_backtrace+0x0/0x43c [ 217.387301][ T6700] show_stack+0x2c/0x3c [ 217.387938][ T6700] __dump_stack+0x30/0x40 [ 217.388547][ T6700] dump_stack_lvl+0xf8/0x160 [ 217.389179][ T6700] dump_stack+0x1c/0x5c [ 217.389802][ T6700] sysfs_create_dir_ns+0x22c/0x24c [ 217.390509][ T6700] kobject_add_internal+0x590/0xc54 [ 217.391226][ T6700] kobject_init_and_add+0x118/0x17c [ 217.391989][ T6700] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.392652][ T6700] gfs2_fill_super+0xdac/0x19e0 [ 217.393403][ T6700] get_tree_bdev+0x358/0x544 [ 217.394086][ T6700] gfs2_get_tree+0x54/0x1b4 [ 217.394740][ T6700] vfs_get_tree+0x90/0x274 [ 217.395423][ T6700] do_new_mount+0x228/0x810 [ 217.396129][ T6700] path_mount+0x5b4/0x1000 [ 217.396784][ T6700] __arm64_sys_mount+0x514/0x5e4 [ 217.397557][ T6700] invoke_syscall+0x98/0x2b8 [ 217.398245][ T6700] el0_svc_common+0x138/0x258 [ 217.398917][ T6700] do_el0_svc+0x58/0x14c [ 217.399568][ T6700] el0_svc+0x78/0x1e0 [ 217.400180][ T6700] el0t_64_sync_handler+0xcc/0xe4 [ 217.400956][ T6700] el0t_64_sync+0x1a0/0x1a4 [ 217.403397][ T6700] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.405237][ T6700] gfs2: fsid=}: error -17 adding sysfs files [ 217.540794][ T6703] loop1: detected capacity change from 0 to 32768 [ 217.628940][ T6703] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.630042][ T6703] CPU: 1 PID: 6703 Comm: syz.1.591 Not tainted syzkaller #0 [ 217.631070][ T6703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.632453][ T6703] Call trace: [ 217.632928][ T6703] dump_backtrace+0x0/0x43c [ 217.633533][ T6703] show_stack+0x2c/0x3c [ 217.634127][ T6703] __dump_stack+0x30/0x40 [ 217.634827][ T6703] dump_stack_lvl+0xf8/0x160 [ 217.635504][ T6703] dump_stack+0x1c/0x5c [ 217.636126][ T6703] sysfs_create_dir_ns+0x22c/0x24c [ 217.636865][ T6703] kobject_add_internal+0x590/0xc54 [ 217.637612][ T6703] kobject_init_and_add+0x118/0x17c [ 217.638415][ T6703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.639153][ T6703] gfs2_fill_super+0xdac/0x19e0 [ 217.639805][ T6703] get_tree_bdev+0x358/0x544 [ 217.640457][ T6703] gfs2_get_tree+0x54/0x1b4 [ 217.641111][ T6703] vfs_get_tree+0x90/0x274 [ 217.641764][ T6703] do_new_mount+0x228/0x810 [ 217.642409][ T6703] path_mount+0x5b4/0x1000 [ 217.643034][ T6703] __arm64_sys_mount+0x514/0x5e4 [ 217.643737][ T6703] invoke_syscall+0x98/0x2b8 [ 217.644354][ T6703] el0_svc_common+0x138/0x258 [ 217.644957][ T6703] do_el0_svc+0x58/0x14c [ 217.645521][ T6703] el0_svc+0x78/0x1e0 [ 217.646105][ T6703] el0t_64_sync_handler+0xcc/0xe4 [ 217.646802][ T6703] el0t_64_sync+0x1a0/0x1a4 [ 217.648814][ T6703] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.650831][ T6703] gfs2: fsid=}: error -17 adding sysfs files [ 217.786018][ T6706] loop1: detected capacity change from 0 to 32768 [ 217.793538][ T6706] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.794666][ T6706] CPU: 0 PID: 6706 Comm: syz.1.592 Not tainted syzkaller #0 [ 217.795788][ T6706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 217.797296][ T6706] Call trace: [ 217.797811][ T6706] dump_backtrace+0x0/0x43c [ 217.798473][ T6706] show_stack+0x2c/0x3c [ 217.799079][ T6706] __dump_stack+0x30/0x40 [ 217.799710][ T6706] dump_stack_lvl+0xf8/0x160 [ 217.800388][ T6706] dump_stack+0x1c/0x5c [ 217.800941][ T6706] sysfs_create_dir_ns+0x22c/0x24c [ 217.801661][ T6706] kobject_add_internal+0x590/0xc54 [ 217.802438][ T6706] kobject_init_and_add+0x118/0x17c [ 217.803210][ T6706] gfs2_sys_fs_add+0x1dc/0x3d8 [ 217.803897][ T6706] gfs2_fill_super+0xdac/0x19e0 [ 217.804624][ T6706] get_tree_bdev+0x358/0x544 [ 217.805242][ T6706] gfs2_get_tree+0x54/0x1b4 [ 217.805895][ T6706] vfs_get_tree+0x90/0x274 [ 217.806559][ T6706] do_new_mount+0x228/0x810 [ 217.807221][ T6706] path_mount+0x5b4/0x1000 [ 217.807818][ T6706] __arm64_sys_mount+0x514/0x5e4 [ 217.808547][ T6706] invoke_syscall+0x98/0x2b8 [ 217.809230][ T6706] el0_svc_common+0x138/0x258 [ 217.809939][ T6706] do_el0_svc+0x58/0x14c [ 217.810580][ T6706] el0_svc+0x78/0x1e0 [ 217.811124][ T6706] el0t_64_sync_handler+0xcc/0xe4 [ 217.811815][ T6706] el0t_64_sync+0x1a0/0x1a4 [ 217.814088][ T6706] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.816032][ T6706] gfs2: fsid=}: error -17 adding sysfs files [ 217.948852][ T6709] loop1: detected capacity change from 0 to 32768 [ 217.998121][ T6709] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.999219][ T6709] CPU: 1 PID: 6709 Comm: syz.1.593 Not tainted syzkaller #0 [ 218.000229][ T6709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.001618][ T6709] Call trace: [ 218.002059][ T6709] dump_backtrace+0x0/0x43c [ 218.002779][ T6709] show_stack+0x2c/0x3c [ 218.003351][ T6709] __dump_stack+0x30/0x40 [ 218.004038][ T6709] dump_stack_lvl+0xf8/0x160 [ 218.004650][ T6709] dump_stack+0x1c/0x5c [ 218.005260][ T6709] sysfs_create_dir_ns+0x22c/0x24c [ 218.005958][ T6709] kobject_add_internal+0x590/0xc54 [ 218.006756][ T6709] kobject_init_and_add+0x118/0x17c [ 218.007445][ T6709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.008076][ T6709] gfs2_fill_super+0xdac/0x19e0 [ 218.008739][ T6709] get_tree_bdev+0x358/0x544 [ 218.009389][ T6709] gfs2_get_tree+0x54/0x1b4 [ 218.010010][ T6709] vfs_get_tree+0x90/0x274 [ 218.010633][ T6709] do_new_mount+0x228/0x810 [ 218.011243][ T6709] path_mount+0x5b4/0x1000 [ 218.011848][ T6709] __arm64_sys_mount+0x514/0x5e4 [ 218.012541][ T6709] invoke_syscall+0x98/0x2b8 [ 218.013173][ T6709] el0_svc_common+0x138/0x258 [ 218.013798][ T6709] do_el0_svc+0x58/0x14c [ 218.014383][ T6709] el0_svc+0x78/0x1e0 [ 218.014925][ T6709] el0t_64_sync_handler+0xcc/0xe4 [ 218.015651][ T6709] el0t_64_sync+0x1a0/0x1a4 [ 218.019183][ T6709] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.021104][ T6709] gfs2: fsid=}: error -17 adding sysfs files [ 218.190117][ T6712] loop1: detected capacity change from 0 to 32768 [ 218.234490][ T6712] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.235606][ T6712] CPU: 0 PID: 6712 Comm: syz.1.594 Not tainted syzkaller #0 [ 218.236708][ T6712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.238212][ T6712] Call trace: [ 218.238689][ T6712] dump_backtrace+0x0/0x43c [ 218.239362][ T6712] show_stack+0x2c/0x3c [ 218.239977][ T6712] __dump_stack+0x30/0x40 [ 218.240632][ T6712] dump_stack_lvl+0xf8/0x160 [ 218.241322][ T6712] dump_stack+0x1c/0x5c [ 218.241932][ T6712] sysfs_create_dir_ns+0x22c/0x24c [ 218.242673][ T6712] kobject_add_internal+0x590/0xc54 [ 218.243519][ T6712] kobject_init_and_add+0x118/0x17c [ 218.244311][ T6712] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.245020][ T6712] gfs2_fill_super+0xdac/0x19e0 [ 218.245743][ T6712] get_tree_bdev+0x358/0x544 [ 218.246371][ T6712] gfs2_get_tree+0x54/0x1b4 [ 218.247039][ T6712] vfs_get_tree+0x90/0x274 [ 218.247662][ T6712] do_new_mount+0x228/0x810 [ 218.248259][ T6712] path_mount+0x5b4/0x1000 [ 218.248859][ T6712] __arm64_sys_mount+0x514/0x5e4 [ 218.249633][ T6712] invoke_syscall+0x98/0x2b8 [ 218.250320][ T6712] el0_svc_common+0x138/0x258 [ 218.251058][ T6712] do_el0_svc+0x58/0x14c [ 218.251720][ T6712] el0_svc+0x78/0x1e0 [ 218.252320][ T6712] el0t_64_sync_handler+0xcc/0xe4 [ 218.253063][ T6712] el0t_64_sync+0x1a0/0x1a4 [ 218.255192][ T6712] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.257084][ T6712] gfs2: fsid=}: error -17 adding sysfs files [ 218.390439][ T6715] loop1: detected capacity change from 0 to 32768 [ 218.486955][ T6715] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.488008][ T6715] CPU: 1 PID: 6715 Comm: syz.1.595 Not tainted syzkaller #0 [ 218.489084][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.490480][ T6715] Call trace: [ 218.490893][ T6715] dump_backtrace+0x0/0x43c [ 218.491529][ T6715] show_stack+0x2c/0x3c [ 218.492109][ T6715] __dump_stack+0x30/0x40 [ 218.492704][ T6715] dump_stack_lvl+0xf8/0x160 [ 218.493321][ T6715] dump_stack+0x1c/0x5c [ 218.493923][ T6715] sysfs_create_dir_ns+0x22c/0x24c [ 218.494646][ T6715] kobject_add_internal+0x590/0xc54 [ 218.495330][ T6715] kobject_init_and_add+0x118/0x17c [ 218.496047][ T6715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.496662][ T6715] gfs2_fill_super+0xdac/0x19e0 [ 218.497326][ T6715] get_tree_bdev+0x358/0x544 [ 218.497993][ T6715] gfs2_get_tree+0x54/0x1b4 [ 218.498632][ T6715] vfs_get_tree+0x90/0x274 [ 218.499253][ T6715] do_new_mount+0x228/0x810 [ 218.499952][ T6715] path_mount+0x5b4/0x1000 [ 218.500607][ T6715] __arm64_sys_mount+0x514/0x5e4 [ 218.501342][ T6715] invoke_syscall+0x98/0x2b8 [ 218.501978][ T6715] el0_svc_common+0x138/0x258 [ 218.502650][ T6715] do_el0_svc+0x58/0x14c [ 218.503278][ T6715] el0_svc+0x78/0x1e0 [ 218.503862][ T6715] el0t_64_sync_handler+0xcc/0xe4 [ 218.504568][ T6715] el0t_64_sync+0x1a0/0x1a4 [ 218.506747][ T6715] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.508704][ T6715] gfs2: fsid=}: error -17 adding sysfs files [ 218.644667][ T6718] loop1: detected capacity change from 0 to 32768 [ 218.678783][ T6718] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.679960][ T6718] CPU: 1 PID: 6718 Comm: syz.1.596 Not tainted syzkaller #0 [ 218.681123][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.682512][ T6718] Call trace: [ 218.682963][ T6718] dump_backtrace+0x0/0x43c [ 218.683625][ T6718] show_stack+0x2c/0x3c [ 218.684171][ T6718] __dump_stack+0x30/0x40 [ 218.684773][ T6718] dump_stack_lvl+0xf8/0x160 [ 218.685386][ T6718] dump_stack+0x1c/0x5c [ 218.685998][ T6718] sysfs_create_dir_ns+0x22c/0x24c [ 218.686706][ T6718] kobject_add_internal+0x590/0xc54 [ 218.687451][ T6718] kobject_init_and_add+0x118/0x17c [ 218.688262][ T6718] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.688944][ T6718] gfs2_fill_super+0xdac/0x19e0 [ 218.689678][ T6718] get_tree_bdev+0x358/0x544 [ 218.690286][ T6718] gfs2_get_tree+0x54/0x1b4 [ 218.690961][ T6718] vfs_get_tree+0x90/0x274 [ 218.691581][ T6718] do_new_mount+0x228/0x810 [ 218.692226][ T6718] path_mount+0x5b4/0x1000 [ 218.692828][ T6718] __arm64_sys_mount+0x514/0x5e4 [ 218.693583][ T6718] invoke_syscall+0x98/0x2b8 [ 218.694242][ T6718] el0_svc_common+0x138/0x258 [ 218.694912][ T6718] do_el0_svc+0x58/0x14c [ 218.695549][ T6718] el0_svc+0x78/0x1e0 [ 218.696093][ T6718] el0t_64_sync_handler+0xcc/0xe4 [ 218.696806][ T6718] el0t_64_sync+0x1a0/0x1a4 [ 218.698812][ T6718] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.700655][ T6718] gfs2: fsid=}: error -17 adding sysfs files [ 218.861503][ T6721] loop1: detected capacity change from 0 to 32768 [ 218.912712][ T6721] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 218.913786][ T6721] CPU: 1 PID: 6721 Comm: syz.1.597 Not tainted syzkaller #0 [ 218.914883][ T6721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 218.916352][ T6721] Call trace: [ 218.916847][ T6721] dump_backtrace+0x0/0x43c [ 218.917515][ T6721] show_stack+0x2c/0x3c [ 218.918104][ T6721] __dump_stack+0x30/0x40 [ 218.918724][ T6721] dump_stack_lvl+0xf8/0x160 [ 218.919354][ T6721] dump_stack+0x1c/0x5c [ 218.919963][ T6721] sysfs_create_dir_ns+0x22c/0x24c [ 218.920717][ T6721] kobject_add_internal+0x590/0xc54 [ 218.921481][ T6721] kobject_init_and_add+0x118/0x17c [ 218.922161][ T6721] gfs2_sys_fs_add+0x1dc/0x3d8 [ 218.922862][ T6721] gfs2_fill_super+0xdac/0x19e0 [ 218.923521][ T6721] get_tree_bdev+0x358/0x544 [ 218.924177][ T6721] gfs2_get_tree+0x54/0x1b4 [ 218.924832][ T6721] vfs_get_tree+0x90/0x274 [ 218.925399][ T6721] do_new_mount+0x228/0x810 [ 218.926085][ T6721] path_mount+0x5b4/0x1000 [ 218.926723][ T6721] __arm64_sys_mount+0x514/0x5e4 [ 218.927396][ T6721] invoke_syscall+0x98/0x2b8 [ 218.928034][ T6721] el0_svc_common+0x138/0x258 [ 218.928727][ T6721] do_el0_svc+0x58/0x14c [ 218.929295][ T6721] el0_svc+0x78/0x1e0 [ 218.929813][ T6721] el0t_64_sync_handler+0xcc/0xe4 [ 218.930516][ T6721] el0t_64_sync+0x1a0/0x1a4 [ 218.931850][ T6721] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 218.933677][ T6721] gfs2: fsid=}: error -17 adding sysfs files [ 219.135117][ T6724] loop1: detected capacity change from 0 to 32768 [ 219.172542][ T6724] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.173664][ T6724] CPU: 0 PID: 6724 Comm: syz.1.598 Not tainted syzkaller #0 [ 219.174773][ T6724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.176277][ T6724] Call trace: [ 219.176760][ T6724] dump_backtrace+0x0/0x43c [ 219.177410][ T6724] show_stack+0x2c/0x3c [ 219.178033][ T6724] __dump_stack+0x30/0x40 [ 219.178660][ T6724] dump_stack_lvl+0xf8/0x160 [ 219.179385][ T6724] dump_stack+0x1c/0x5c [ 219.180040][ T6724] sysfs_create_dir_ns+0x22c/0x24c [ 219.180795][ T6724] kobject_add_internal+0x590/0xc54 [ 219.181526][ T6724] kobject_init_and_add+0x118/0x17c [ 219.182292][ T6724] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.182965][ T6724] gfs2_fill_super+0xdac/0x19e0 [ 219.183673][ T6724] get_tree_bdev+0x358/0x544 [ 219.184286][ T6724] gfs2_get_tree+0x54/0x1b4 [ 219.184915][ T6724] vfs_get_tree+0x90/0x274 [ 219.185530][ T6724] do_new_mount+0x228/0x810 [ 219.186135][ T6724] path_mount+0x5b4/0x1000 [ 219.186772][ T6724] __arm64_sys_mount+0x514/0x5e4 [ 219.187464][ T6724] invoke_syscall+0x98/0x2b8 [ 219.188101][ T6724] el0_svc_common+0x138/0x258 [ 219.188747][ T6724] do_el0_svc+0x58/0x14c [ 219.189344][ T6724] el0_svc+0x78/0x1e0 [ 219.189971][ T6724] el0t_64_sync_handler+0xcc/0xe4 [ 219.190698][ T6724] el0t_64_sync+0x1a0/0x1a4 [ 219.193297][ T6724] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.195313][ T6724] gfs2: fsid=}: error -17 adding sysfs files [ 219.329199][ T6727] loop1: detected capacity change from 0 to 32768 [ 219.382431][ T6727] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.383456][ T6727] CPU: 0 PID: 6727 Comm: syz.1.599 Not tainted syzkaller #0 [ 219.384498][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.385887][ T6727] Call trace: [ 219.386330][ T6727] dump_backtrace+0x0/0x43c [ 219.386941][ T6727] show_stack+0x2c/0x3c [ 219.387561][ T6727] __dump_stack+0x30/0x40 [ 219.388230][ T6727] dump_stack_lvl+0xf8/0x160 [ 219.388917][ T6727] dump_stack+0x1c/0x5c [ 219.389569][ T6727] sysfs_create_dir_ns+0x22c/0x24c [ 219.390309][ T6727] kobject_add_internal+0x590/0xc54 [ 219.391075][ T6727] kobject_init_and_add+0x118/0x17c [ 219.391819][ T6727] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.392479][ T6727] gfs2_fill_super+0xdac/0x19e0 [ 219.393190][ T6727] get_tree_bdev+0x358/0x544 [ 219.393805][ T6727] gfs2_get_tree+0x54/0x1b4 [ 219.394459][ T6727] vfs_get_tree+0x90/0x274 [ 219.395070][ T6727] do_new_mount+0x228/0x810 [ 219.395742][ T6727] path_mount+0x5b4/0x1000 [ 219.396394][ T6727] __arm64_sys_mount+0x514/0x5e4 [ 219.397085][ T6727] invoke_syscall+0x98/0x2b8 [ 219.397817][ T6727] el0_svc_common+0x138/0x258 [ 219.398552][ T6727] do_el0_svc+0x58/0x14c [ 219.399232][ T6727] el0_svc+0x78/0x1e0 [ 219.399836][ T6727] el0t_64_sync_handler+0xcc/0xe4 [ 219.400642][ T6727] el0t_64_sync+0x1a0/0x1a4 [ 219.402691][ T6727] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.404431][ T6727] gfs2: fsid=}: error -17 adding sysfs files [ 219.539262][ T6730] loop1: detected capacity change from 0 to 32768 [ 219.578262][ T6730] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.579344][ T6730] CPU: 1 PID: 6730 Comm: syz.1.600 Not tainted syzkaller #0 [ 219.580427][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.581803][ T6730] Call trace: [ 219.582243][ T6730] dump_backtrace+0x0/0x43c [ 219.582896][ T6730] show_stack+0x2c/0x3c [ 219.583485][ T6730] __dump_stack+0x30/0x40 [ 219.584122][ T6730] dump_stack_lvl+0xf8/0x160 [ 219.584781][ T6730] dump_stack+0x1c/0x5c [ 219.585409][ T6730] sysfs_create_dir_ns+0x22c/0x24c [ 219.586132][ T6730] kobject_add_internal+0x590/0xc54 [ 219.586835][ T6730] kobject_init_and_add+0x118/0x17c [ 219.587594][ T6730] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.588276][ T6730] gfs2_fill_super+0xdac/0x19e0 [ 219.588959][ T6730] get_tree_bdev+0x358/0x544 [ 219.589646][ T6730] gfs2_get_tree+0x54/0x1b4 [ 219.590293][ T6730] vfs_get_tree+0x90/0x274 [ 219.590939][ T6730] do_new_mount+0x228/0x810 [ 219.591561][ T6730] path_mount+0x5b4/0x1000 [ 219.592173][ T6730] __arm64_sys_mount+0x514/0x5e4 [ 219.592828][ T6730] invoke_syscall+0x98/0x2b8 [ 219.593564][ T6730] el0_svc_common+0x138/0x258 [ 219.594193][ T6730] do_el0_svc+0x58/0x14c [ 219.594796][ T6730] el0_svc+0x78/0x1e0 [ 219.595343][ T6730] el0t_64_sync_handler+0xcc/0xe4 [ 219.596133][ T6730] el0t_64_sync+0x1a0/0x1a4 [ 219.597035][ T6730] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.598720][ T6730] gfs2: fsid=}: error -17 adding sysfs files [ 219.777410][ T6733] loop1: detected capacity change from 0 to 32768 [ 219.828247][ T6733] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 219.830057][ T6733] CPU: 0 PID: 6733 Comm: syz.1.601 Not tainted syzkaller #0 [ 219.831087][ T6733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 219.832554][ T6733] Call trace: [ 219.833015][ T6733] dump_backtrace+0x0/0x43c [ 219.833686][ T6733] show_stack+0x2c/0x3c [ 219.834295][ T6733] __dump_stack+0x30/0x40 [ 219.834923][ T6733] dump_stack_lvl+0xf8/0x160 [ 219.835565][ T6733] dump_stack+0x1c/0x5c [ 219.836207][ T6733] sysfs_create_dir_ns+0x22c/0x24c [ 219.836903][ T6733] kobject_add_internal+0x590/0xc54 [ 219.837655][ T6733] kobject_init_and_add+0x118/0x17c [ 219.838431][ T6733] gfs2_sys_fs_add+0x1dc/0x3d8 [ 219.839115][ T6733] gfs2_fill_super+0xdac/0x19e0 [ 219.839842][ T6733] get_tree_bdev+0x358/0x544 [ 219.840474][ T6733] gfs2_get_tree+0x54/0x1b4 [ 219.841106][ T6733] vfs_get_tree+0x90/0x274 [ 219.841813][ T6733] do_new_mount+0x228/0x810 [ 219.842501][ T6733] path_mount+0x5b4/0x1000 [ 219.843117][ T6733] __arm64_sys_mount+0x514/0x5e4 [ 219.843843][ T6733] invoke_syscall+0x98/0x2b8 [ 219.844508][ T6733] el0_svc_common+0x138/0x258 [ 219.845188][ T6733] do_el0_svc+0x58/0x14c [ 219.845844][ T6733] el0_svc+0x78/0x1e0 [ 219.846416][ T6733] el0t_64_sync_handler+0xcc/0xe4 [ 219.847116][ T6733] el0t_64_sync+0x1a0/0x1a4 [ 219.849393][ T6733] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 219.850982][ T6733] gfs2: fsid=}: error -17 adding sysfs files [ 220.115758][ T6736] loop1: detected capacity change from 0 to 32768 [ 220.123114][ T6736] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.124184][ T6736] CPU: 1 PID: 6736 Comm: syz.1.602 Not tainted syzkaller #0 [ 220.125217][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.126719][ T6736] Call trace: [ 220.127214][ T6736] dump_backtrace+0x0/0x43c [ 220.127851][ T6736] show_stack+0x2c/0x3c [ 220.128436][ T6736] __dump_stack+0x30/0x40 [ 220.129089][ T6736] dump_stack_lvl+0xf8/0x160 [ 220.129719][ T6736] dump_stack+0x1c/0x5c [ 220.130296][ T6736] sysfs_create_dir_ns+0x22c/0x24c [ 220.131010][ T6736] kobject_add_internal+0x590/0xc54 [ 220.131753][ T6736] kobject_init_and_add+0x118/0x17c [ 220.132464][ T6736] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.133150][ T6736] gfs2_fill_super+0xdac/0x19e0 [ 220.133829][ T6736] get_tree_bdev+0x358/0x544 [ 220.134473][ T6736] gfs2_get_tree+0x54/0x1b4 [ 220.135126][ T6736] vfs_get_tree+0x90/0x274 [ 220.135766][ T6736] do_new_mount+0x228/0x810 [ 220.136435][ T6736] path_mount+0x5b4/0x1000 [ 220.137055][ T6736] __arm64_sys_mount+0x514/0x5e4 [ 220.137748][ T6736] invoke_syscall+0x98/0x2b8 [ 220.138412][ T6736] el0_svc_common+0x138/0x258 [ 220.139082][ T6736] do_el0_svc+0x58/0x14c [ 220.139686][ T6736] el0_svc+0x78/0x1e0 [ 220.140249][ T6736] el0t_64_sync_handler+0xcc/0xe4 [ 220.141006][ T6736] el0t_64_sync+0x1a0/0x1a4 [ 220.143863][ T6736] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.145794][ T6736] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:40 executed programs: 589 [ 220.280918][ T6739] loop1: detected capacity change from 0 to 32768 [ 220.338068][ T6739] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.339184][ T6739] CPU: 1 PID: 6739 Comm: syz.1.603 Not tainted syzkaller #0 [ 220.340173][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.341648][ T6739] Call trace: [ 220.342100][ T6739] dump_backtrace+0x0/0x43c [ 220.342711][ T6739] show_stack+0x2c/0x3c [ 220.343407][ T6739] __dump_stack+0x30/0x40 [ 220.344101][ T6739] dump_stack_lvl+0xf8/0x160 [ 220.344766][ T6739] dump_stack+0x1c/0x5c [ 220.345391][ T6739] sysfs_create_dir_ns+0x22c/0x24c [ 220.346157][ T6739] kobject_add_internal+0x590/0xc54 [ 220.346870][ T6739] kobject_init_and_add+0x118/0x17c [ 220.347619][ T6739] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.348271][ T6739] gfs2_fill_super+0xdac/0x19e0 [ 220.348939][ T6739] get_tree_bdev+0x358/0x544 [ 220.349523][ T6739] gfs2_get_tree+0x54/0x1b4 [ 220.350087][ T6739] vfs_get_tree+0x90/0x274 [ 220.350704][ T6739] do_new_mount+0x228/0x810 [ 220.351295][ T6739] path_mount+0x5b4/0x1000 [ 220.351930][ T6739] __arm64_sys_mount+0x514/0x5e4 [ 220.352628][ T6739] invoke_syscall+0x98/0x2b8 [ 220.353222][ T6739] el0_svc_common+0x138/0x258 [ 220.353875][ T6739] do_el0_svc+0x58/0x14c [ 220.354422][ T6739] el0_svc+0x78/0x1e0 [ 220.354955][ T6739] el0t_64_sync_handler+0xcc/0xe4 [ 220.355686][ T6739] el0t_64_sync+0x1a0/0x1a4 [ 220.356526][ T6739] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.359153][ T6739] gfs2: fsid=}: error -17 adding sysfs files [ 220.538375][ T6742] loop1: detected capacity change from 0 to 32768 [ 220.588787][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.589870][ T6742] CPU: 0 PID: 6742 Comm: syz.1.604 Not tainted syzkaller #0 [ 220.590914][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.592284][ T6742] Call trace: [ 220.592777][ T6742] dump_backtrace+0x0/0x43c [ 220.593411][ T6742] show_stack+0x2c/0x3c [ 220.593976][ T6742] __dump_stack+0x30/0x40 [ 220.594619][ T6742] dump_stack_lvl+0xf8/0x160 [ 220.595251][ T6742] dump_stack+0x1c/0x5c [ 220.595850][ T6742] sysfs_create_dir_ns+0x22c/0x24c [ 220.596579][ T6742] kobject_add_internal+0x590/0xc54 [ 220.597295][ T6742] kobject_init_and_add+0x118/0x17c [ 220.598014][ T6742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.598703][ T6742] gfs2_fill_super+0xdac/0x19e0 [ 220.599438][ T6742] get_tree_bdev+0x358/0x544 [ 220.600110][ T6742] gfs2_get_tree+0x54/0x1b4 [ 220.600784][ T6742] vfs_get_tree+0x90/0x274 [ 220.601444][ T6742] do_new_mount+0x228/0x810 [ 220.602095][ T6742] path_mount+0x5b4/0x1000 [ 220.602721][ T6742] __arm64_sys_mount+0x514/0x5e4 [ 220.603409][ T6742] invoke_syscall+0x98/0x2b8 [ 220.604054][ T6742] el0_svc_common+0x138/0x258 [ 220.604699][ T6742] do_el0_svc+0x58/0x14c [ 220.605316][ T6742] el0_svc+0x78/0x1e0 [ 220.605897][ T6742] el0t_64_sync_handler+0xcc/0xe4 [ 220.606577][ T6742] el0t_64_sync+0x1a0/0x1a4 [ 220.608869][ T6742] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.610777][ T6742] gfs2: fsid=}: error -17 adding sysfs files [ 220.749098][ T6745] loop1: detected capacity change from 0 to 32768 [ 220.756992][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.758024][ T6745] CPU: 1 PID: 6745 Comm: syz.1.605 Not tainted syzkaller #0 [ 220.759028][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.760535][ T6745] Call trace: [ 220.760983][ T6745] dump_backtrace+0x0/0x43c [ 220.761601][ T6745] show_stack+0x2c/0x3c [ 220.762107][ T6745] __dump_stack+0x30/0x40 [ 220.762703][ T6745] dump_stack_lvl+0xf8/0x160 [ 220.763294][ T6745] dump_stack+0x1c/0x5c [ 220.763896][ T6745] sysfs_create_dir_ns+0x22c/0x24c [ 220.764618][ T6745] kobject_add_internal+0x590/0xc54 [ 220.765416][ T6745] kobject_init_and_add+0x118/0x17c [ 220.766182][ T6745] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.766807][ T6745] gfs2_fill_super+0xdac/0x19e0 [ 220.767487][ T6745] get_tree_bdev+0x358/0x544 [ 220.768208][ T6745] gfs2_get_tree+0x54/0x1b4 [ 220.768822][ T6745] vfs_get_tree+0x90/0x274 [ 220.769463][ T6745] do_new_mount+0x228/0x810 [ 220.770079][ T6745] path_mount+0x5b4/0x1000 [ 220.770674][ T6745] __arm64_sys_mount+0x514/0x5e4 [ 220.771335][ T6745] invoke_syscall+0x98/0x2b8 [ 220.771990][ T6745] el0_svc_common+0x138/0x258 [ 220.772637][ T6745] do_el0_svc+0x58/0x14c [ 220.773265][ T6745] el0_svc+0x78/0x1e0 [ 220.773817][ T6745] el0t_64_sync_handler+0xcc/0xe4 [ 220.774527][ T6745] el0t_64_sync+0x1a0/0x1a4 [ 220.776508][ T6745] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.778460][ T6745] gfs2: fsid=}: error -17 adding sysfs files [ 220.912590][ T6748] loop1: detected capacity change from 0 to 32768 [ 220.952397][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 220.953376][ T6748] CPU: 1 PID: 6748 Comm: syz.1.606 Not tainted syzkaller #0 [ 220.954356][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 220.955761][ T6748] Call trace: [ 220.956195][ T6748] dump_backtrace+0x0/0x43c [ 220.956808][ T6748] show_stack+0x2c/0x3c [ 220.957416][ T6748] __dump_stack+0x30/0x40 [ 220.958095][ T6748] dump_stack_lvl+0xf8/0x160 [ 220.958747][ T6748] dump_stack+0x1c/0x5c [ 220.959341][ T6748] sysfs_create_dir_ns+0x22c/0x24c [ 220.960104][ T6748] kobject_add_internal+0x590/0xc54 [ 220.960805][ T6748] kobject_init_and_add+0x118/0x17c [ 220.961508][ T6748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 220.962182][ T6748] gfs2_fill_super+0xdac/0x19e0 [ 220.962909][ T6748] get_tree_bdev+0x358/0x544 [ 220.963501][ T6748] gfs2_get_tree+0x54/0x1b4 [ 220.964149][ T6748] vfs_get_tree+0x90/0x274 [ 220.964821][ T6748] do_new_mount+0x228/0x810 [ 220.965459][ T6748] path_mount+0x5b4/0x1000 [ 220.966083][ T6748] __arm64_sys_mount+0x514/0x5e4 [ 220.966770][ T6748] invoke_syscall+0x98/0x2b8 [ 220.967399][ T6748] el0_svc_common+0x138/0x258 [ 220.968101][ T6748] do_el0_svc+0x58/0x14c [ 220.968712][ T6748] el0_svc+0x78/0x1e0 [ 220.969279][ T6748] el0t_64_sync_handler+0xcc/0xe4 [ 220.969978][ T6748] el0t_64_sync+0x1a0/0x1a4 [ 220.972091][ T6748] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 220.973928][ T6748] gfs2: fsid=}: error -17 adding sysfs files [ 221.172758][ T6751] loop1: detected capacity change from 0 to 32768 [ 221.208161][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.209292][ T6751] CPU: 0 PID: 6751 Comm: syz.1.607 Not tainted syzkaller #0 [ 221.210280][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.211750][ T6751] Call trace: [ 221.212233][ T6751] dump_backtrace+0x0/0x43c [ 221.212876][ T6751] show_stack+0x2c/0x3c [ 221.213525][ T6751] __dump_stack+0x30/0x40 [ 221.214149][ T6751] dump_stack_lvl+0xf8/0x160 [ 221.214797][ T6751] dump_stack+0x1c/0x5c [ 221.215387][ T6751] sysfs_create_dir_ns+0x22c/0x24c [ 221.216104][ T6751] kobject_add_internal+0x590/0xc54 [ 221.216821][ T6751] kobject_init_and_add+0x118/0x17c [ 221.217546][ T6751] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.218235][ T6751] gfs2_fill_super+0xdac/0x19e0 [ 221.218920][ T6751] get_tree_bdev+0x358/0x544 [ 221.219595][ T6751] gfs2_get_tree+0x54/0x1b4 [ 221.220172][ T6751] vfs_get_tree+0x90/0x274 [ 221.220827][ T6751] do_new_mount+0x228/0x810 [ 221.221438][ T6751] path_mount+0x5b4/0x1000 [ 221.222072][ T6751] __arm64_sys_mount+0x514/0x5e4 [ 221.222789][ T6751] invoke_syscall+0x98/0x2b8 [ 221.223472][ T6751] el0_svc_common+0x138/0x258 [ 221.224151][ T6751] do_el0_svc+0x58/0x14c [ 221.224743][ T6751] el0_svc+0x78/0x1e0 [ 221.225306][ T6751] el0t_64_sync_handler+0xcc/0xe4 [ 221.226047][ T6751] el0t_64_sync+0x1a0/0x1a4 [ 221.228730][ T6751] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.230651][ T6751] gfs2: fsid=}: error -17 adding sysfs files [ 221.363990][ T6754] loop1: detected capacity change from 0 to 32768 [ 221.441289][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.442406][ T6754] CPU: 1 PID: 6754 Comm: syz.1.608 Not tainted syzkaller #0 [ 221.443481][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.445056][ T6754] Call trace: [ 221.445554][ T6754] dump_backtrace+0x0/0x43c [ 221.446204][ T6754] show_stack+0x2c/0x3c [ 221.446830][ T6754] __dump_stack+0x30/0x40 [ 221.447405][ T6754] dump_stack_lvl+0xf8/0x160 [ 221.448134][ T6754] dump_stack+0x1c/0x5c [ 221.448767][ T6754] sysfs_create_dir_ns+0x22c/0x24c [ 221.449560][ T6754] kobject_add_internal+0x590/0xc54 [ 221.450336][ T6754] kobject_init_and_add+0x118/0x17c [ 221.451154][ T6754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.451901][ T6754] gfs2_fill_super+0xdac/0x19e0 [ 221.452596][ T6754] get_tree_bdev+0x358/0x544 [ 221.453249][ T6754] gfs2_get_tree+0x54/0x1b4 [ 221.453901][ T6754] vfs_get_tree+0x90/0x274 [ 221.454574][ T6754] do_new_mount+0x228/0x810 [ 221.455268][ T6754] path_mount+0x5b4/0x1000 [ 221.455938][ T6754] __arm64_sys_mount+0x514/0x5e4 [ 221.456637][ T6754] invoke_syscall+0x98/0x2b8 [ 221.457322][ T6754] el0_svc_common+0x138/0x258 [ 221.458037][ T6754] do_el0_svc+0x58/0x14c [ 221.458619][ T6754] el0_svc+0x78/0x1e0 [ 221.459183][ T6754] el0t_64_sync_handler+0xcc/0xe4 [ 221.459955][ T6754] el0t_64_sync+0x1a0/0x1a4 [ 221.461242][ T6754] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.463086][ T6754] gfs2: fsid=}: error -17 adding sysfs files [ 221.668595][ T6757] loop1: detected capacity change from 0 to 32768 [ 221.718100][ T6757] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 221.719181][ T6757] CPU: 0 PID: 6757 Comm: syz.1.609 Not tainted syzkaller #0 [ 221.720243][ T6757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 221.721667][ T6757] Call trace: [ 221.722121][ T6757] dump_backtrace+0x0/0x43c [ 221.722758][ T6757] show_stack+0x2c/0x3c [ 221.723346][ T6757] __dump_stack+0x30/0x40 [ 221.723977][ T6757] dump_stack_lvl+0xf8/0x160 [ 221.724635][ T6757] dump_stack+0x1c/0x5c [ 221.725234][ T6757] sysfs_create_dir_ns+0x22c/0x24c [ 221.726103][ T6757] kobject_add_internal+0x590/0xc54 [ 221.726836][ T6757] kobject_init_and_add+0x118/0x17c [ 221.727638][ T6757] gfs2_sys_fs_add+0x1dc/0x3d8 [ 221.728344][ T6757] gfs2_fill_super+0xdac/0x19e0 [ 221.729032][ T6757] get_tree_bdev+0x358/0x544 [ 221.729669][ T6757] gfs2_get_tree+0x54/0x1b4 [ 221.730369][ T6757] vfs_get_tree+0x90/0x274 [ 221.731012][ T6757] do_new_mount+0x228/0x810 [ 221.731680][ T6757] path_mount+0x5b4/0x1000 [ 221.732339][ T6757] __arm64_sys_mount+0x514/0x5e4 [ 221.733114][ T6757] invoke_syscall+0x98/0x2b8 [ 221.733829][ T6757] el0_svc_common+0x138/0x258 [ 221.734511][ T6757] do_el0_svc+0x58/0x14c [ 221.735133][ T6757] el0_svc+0x78/0x1e0 [ 221.735714][ T6757] el0t_64_sync_handler+0xcc/0xe4 [ 221.736391][ T6757] el0t_64_sync+0x1a0/0x1a4 [ 221.737883][ T6757] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 221.739673][ T6757] gfs2: fsid=}: error -17 adding sysfs files [ 221.924131][ T6760] loop1: detected capacity change from 0 to 32768 [ 221.998910][ T6760] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.000021][ T6760] CPU: 0 PID: 6760 Comm: syz.1.610 Not tainted syzkaller #0 [ 222.001078][ T6760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.002406][ T6760] Call trace: [ 222.002851][ T6760] dump_backtrace+0x0/0x43c [ 222.003463][ T6760] show_stack+0x2c/0x3c [ 222.004034][ T6760] __dump_stack+0x30/0x40 [ 222.004614][ T6760] dump_stack_lvl+0xf8/0x160 [ 222.005224][ T6760] dump_stack+0x1c/0x5c [ 222.005827][ T6760] sysfs_create_dir_ns+0x22c/0x24c [ 222.006513][ T6760] kobject_add_internal+0x590/0xc54 [ 222.007207][ T6760] kobject_init_and_add+0x118/0x17c [ 222.007929][ T6760] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.008587][ T6760] gfs2_fill_super+0xdac/0x19e0 [ 222.009246][ T6760] get_tree_bdev+0x358/0x544 [ 222.009874][ T6760] gfs2_get_tree+0x54/0x1b4 [ 222.010486][ T6760] vfs_get_tree+0x90/0x274 [ 222.011076][ T6760] do_new_mount+0x228/0x810 [ 222.011709][ T6760] path_mount+0x5b4/0x1000 [ 222.012335][ T6760] __arm64_sys_mount+0x514/0x5e4 [ 222.013043][ T6760] invoke_syscall+0x98/0x2b8 [ 222.013659][ T6760] el0_svc_common+0x138/0x258 [ 222.014299][ T6760] do_el0_svc+0x58/0x14c [ 222.014865][ T6760] el0_svc+0x78/0x1e0 [ 222.015408][ T6760] el0t_64_sync_handler+0xcc/0xe4 [ 222.016100][ T6760] el0t_64_sync+0x1a0/0x1a4 [ 222.018759][ T6760] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.020501][ T6760] gfs2: fsid=}: error -17 adding sysfs files [ 222.151849][ T6763] loop1: detected capacity change from 0 to 32768 [ 222.192530][ T6763] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.193634][ T6763] CPU: 0 PID: 6763 Comm: syz.1.611 Not tainted syzkaller #0 [ 222.194728][ T6763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.196113][ T6763] Call trace: [ 222.196546][ T6763] dump_backtrace+0x0/0x43c [ 222.197178][ T6763] show_stack+0x2c/0x3c [ 222.197867][ T6763] __dump_stack+0x30/0x40 [ 222.198478][ T6763] dump_stack_lvl+0xf8/0x160 [ 222.199178][ T6763] dump_stack+0x1c/0x5c [ 222.199777][ T6763] sysfs_create_dir_ns+0x22c/0x24c [ 222.200568][ T6763] kobject_add_internal+0x590/0xc54 [ 222.201292][ T6763] kobject_init_and_add+0x118/0x17c [ 222.201992][ T6763] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.202701][ T6763] gfs2_fill_super+0xdac/0x19e0 [ 222.203348][ T6763] get_tree_bdev+0x358/0x544 [ 222.204043][ T6763] gfs2_get_tree+0x54/0x1b4 [ 222.204711][ T6763] vfs_get_tree+0x90/0x274 [ 222.205391][ T6763] do_new_mount+0x228/0x810 [ 222.206043][ T6763] path_mount+0x5b4/0x1000 [ 222.206738][ T6763] __arm64_sys_mount+0x514/0x5e4 [ 222.207543][ T6763] invoke_syscall+0x98/0x2b8 [ 222.208268][ T6763] el0_svc_common+0x138/0x258 [ 222.208998][ T6763] do_el0_svc+0x58/0x14c [ 222.209631][ T6763] el0_svc+0x78/0x1e0 [ 222.210263][ T6763] el0t_64_sync_handler+0xcc/0xe4 [ 222.211004][ T6763] el0t_64_sync+0x1a0/0x1a4 [ 222.213126][ T6763] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.214856][ T6763] gfs2: fsid=}: error -17 adding sysfs files [ 222.349538][ T6766] loop1: detected capacity change from 0 to 32768 [ 222.388617][ T6766] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.389705][ T6766] CPU: 0 PID: 6766 Comm: syz.1.612 Not tainted syzkaller #0 [ 222.390685][ T6766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.392138][ T6766] Call trace: [ 222.392599][ T6766] dump_backtrace+0x0/0x43c [ 222.393251][ T6766] show_stack+0x2c/0x3c [ 222.393820][ T6766] __dump_stack+0x30/0x40 [ 222.394432][ T6766] dump_stack_lvl+0xf8/0x160 [ 222.395125][ T6766] dump_stack+0x1c/0x5c [ 222.395751][ T6766] sysfs_create_dir_ns+0x22c/0x24c [ 222.396513][ T6766] kobject_add_internal+0x590/0xc54 [ 222.397256][ T6766] kobject_init_and_add+0x118/0x17c [ 222.398014][ T6766] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.398708][ T6766] gfs2_fill_super+0xdac/0x19e0 [ 222.399423][ T6766] get_tree_bdev+0x358/0x544 [ 222.400099][ T6766] gfs2_get_tree+0x54/0x1b4 [ 222.400715][ T6766] vfs_get_tree+0x90/0x274 [ 222.401375][ T6766] do_new_mount+0x228/0x810 [ 222.402002][ T6766] path_mount+0x5b4/0x1000 [ 222.402634][ T6766] __arm64_sys_mount+0x514/0x5e4 [ 222.403313][ T6766] invoke_syscall+0x98/0x2b8 [ 222.403934][ T6766] el0_svc_common+0x138/0x258 [ 222.404557][ T6766] do_el0_svc+0x58/0x14c [ 222.405130][ T6766] el0_svc+0x78/0x1e0 [ 222.405665][ T6766] el0t_64_sync_handler+0xcc/0xe4 [ 222.406413][ T6766] el0t_64_sync+0x1a0/0x1a4 [ 222.408632][ T6766] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.410506][ T6766] gfs2: fsid=}: error -17 adding sysfs files [ 222.593405][ T6769] loop1: detected capacity change from 0 to 32768 [ 222.634813][ T6769] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.635848][ T6769] CPU: 1 PID: 6769 Comm: syz.1.613 Not tainted syzkaller #0 [ 222.636879][ T6769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.638307][ T6769] Call trace: [ 222.638752][ T6769] dump_backtrace+0x0/0x43c [ 222.639351][ T6769] show_stack+0x2c/0x3c [ 222.639917][ T6769] __dump_stack+0x30/0x40 [ 222.640543][ T6769] dump_stack_lvl+0xf8/0x160 [ 222.641211][ T6769] dump_stack+0x1c/0x5c [ 222.641777][ T6769] sysfs_create_dir_ns+0x22c/0x24c [ 222.642494][ T6769] kobject_add_internal+0x590/0xc54 [ 222.643223][ T6769] kobject_init_and_add+0x118/0x17c [ 222.643960][ T6769] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.644656][ T6769] gfs2_fill_super+0xdac/0x19e0 [ 222.645348][ T6769] get_tree_bdev+0x358/0x544 [ 222.646006][ T6769] gfs2_get_tree+0x54/0x1b4 [ 222.646645][ T6769] vfs_get_tree+0x90/0x274 [ 222.647224][ T6769] do_new_mount+0x228/0x810 [ 222.647847][ T6769] path_mount+0x5b4/0x1000 [ 222.648483][ T6769] __arm64_sys_mount+0x514/0x5e4 [ 222.649120][ T6769] invoke_syscall+0x98/0x2b8 [ 222.649785][ T6769] el0_svc_common+0x138/0x258 [ 222.650411][ T6769] do_el0_svc+0x58/0x14c [ 222.651029][ T6769] el0_svc+0x78/0x1e0 [ 222.651549][ T6769] el0t_64_sync_handler+0xcc/0xe4 [ 222.652218][ T6769] el0t_64_sync+0x1a0/0x1a4 [ 222.654379][ T6769] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.656181][ T6769] gfs2: fsid=}: error -17 adding sysfs files [ 222.800319][ T6772] loop1: detected capacity change from 0 to 32768 [ 222.808345][ T6772] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 222.809332][ T6772] CPU: 1 PID: 6772 Comm: syz.1.614 Not tainted syzkaller #0 [ 222.810317][ T6772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 222.811736][ T6772] Call trace: [ 222.812194][ T6772] dump_backtrace+0x0/0x43c [ 222.812815][ T6772] show_stack+0x2c/0x3c [ 222.813408][ T6772] __dump_stack+0x30/0x40 [ 222.814010][ T6772] dump_stack_lvl+0xf8/0x160 [ 222.814737][ T6772] dump_stack+0x1c/0x5c [ 222.815251][ T6772] sysfs_create_dir_ns+0x22c/0x24c [ 222.815920][ T6772] kobject_add_internal+0x590/0xc54 [ 222.816580][ T6772] kobject_init_and_add+0x118/0x17c [ 222.817294][ T6772] gfs2_sys_fs_add+0x1dc/0x3d8 [ 222.818010][ T6772] gfs2_fill_super+0xdac/0x19e0 [ 222.818682][ T6772] get_tree_bdev+0x358/0x544 [ 222.819282][ T6772] gfs2_get_tree+0x54/0x1b4 [ 222.819909][ T6772] vfs_get_tree+0x90/0x274 [ 222.820507][ T6772] do_new_mount+0x228/0x810 [ 222.821198][ T6772] path_mount+0x5b4/0x1000 [ 222.821772][ T6772] __arm64_sys_mount+0x514/0x5e4 [ 222.822496][ T6772] invoke_syscall+0x98/0x2b8 [ 222.823161][ T6772] el0_svc_common+0x138/0x258 [ 222.823830][ T6772] do_el0_svc+0x58/0x14c [ 222.824396][ T6772] el0_svc+0x78/0x1e0 [ 222.824945][ T6772] el0t_64_sync_handler+0xcc/0xe4 [ 222.825608][ T6772] el0t_64_sync+0x1a0/0x1a4 [ 222.827478][ T6772] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 222.830171][ T6772] gfs2: fsid=}: error -17 adding sysfs files [ 222.965119][ T6775] loop1: detected capacity change from 0 to 32768 [ 222.999394][ T6775] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.000409][ T6775] CPU: 0 PID: 6775 Comm: syz.1.615 Not tainted syzkaller #0 [ 223.001457][ T6775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.002908][ T6775] Call trace: [ 223.003358][ T6775] dump_backtrace+0x0/0x43c [ 223.004034][ T6775] show_stack+0x2c/0x3c [ 223.004635][ T6775] __dump_stack+0x30/0x40 [ 223.005255][ T6775] dump_stack_lvl+0xf8/0x160 [ 223.005903][ T6775] dump_stack+0x1c/0x5c [ 223.006552][ T6775] sysfs_create_dir_ns+0x22c/0x24c [ 223.007307][ T6775] kobject_add_internal+0x590/0xc54 [ 223.008063][ T6775] kobject_init_and_add+0x118/0x17c [ 223.008874][ T6775] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.009643][ T6775] gfs2_fill_super+0xdac/0x19e0 [ 223.010376][ T6775] get_tree_bdev+0x358/0x544 [ 223.011063][ T6775] gfs2_get_tree+0x54/0x1b4 [ 223.011701][ T6775] vfs_get_tree+0x90/0x274 [ 223.012378][ T6775] do_new_mount+0x228/0x810 [ 223.013107][ T6775] path_mount+0x5b4/0x1000 [ 223.013785][ T6775] __arm64_sys_mount+0x514/0x5e4 [ 223.014501][ T6775] invoke_syscall+0x98/0x2b8 [ 223.015182][ T6775] el0_svc_common+0x138/0x258 [ 223.015854][ T6775] do_el0_svc+0x58/0x14c [ 223.016501][ T6775] el0_svc+0x78/0x1e0 [ 223.017095][ T6775] el0t_64_sync_handler+0xcc/0xe4 [ 223.017783][ T6775] el0t_64_sync+0x1a0/0x1a4 [ 223.019898][ T6775] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.021884][ T6775] gfs2: fsid=}: error -17 adding sysfs files [ 223.157365][ T6778] loop1: detected capacity change from 0 to 32768 [ 223.269570][ T6778] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.270747][ T6778] CPU: 1 PID: 6778 Comm: syz.1.616 Not tainted syzkaller #0 [ 223.271837][ T6778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.273232][ T6778] Call trace: [ 223.273689][ T6778] dump_backtrace+0x0/0x43c [ 223.274331][ T6778] show_stack+0x2c/0x3c [ 223.274919][ T6778] __dump_stack+0x30/0x40 [ 223.275498][ T6778] dump_stack_lvl+0xf8/0x160 [ 223.276142][ T6778] dump_stack+0x1c/0x5c [ 223.276675][ T6778] sysfs_create_dir_ns+0x22c/0x24c [ 223.277402][ T6778] kobject_add_internal+0x590/0xc54 [ 223.278203][ T6778] kobject_init_and_add+0x118/0x17c [ 223.278941][ T6778] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.279617][ T6778] gfs2_fill_super+0xdac/0x19e0 [ 223.280301][ T6778] get_tree_bdev+0x358/0x544 [ 223.280996][ T6778] gfs2_get_tree+0x54/0x1b4 [ 223.281744][ T6778] vfs_get_tree+0x90/0x274 [ 223.282350][ T6778] do_new_mount+0x228/0x810 [ 223.283035][ T6778] path_mount+0x5b4/0x1000 [ 223.283698][ T6778] __arm64_sys_mount+0x514/0x5e4 [ 223.284376][ T6778] invoke_syscall+0x98/0x2b8 [ 223.285084][ T6778] el0_svc_common+0x138/0x258 [ 223.285775][ T6778] do_el0_svc+0x58/0x14c [ 223.286349][ T6778] el0_svc+0x78/0x1e0 [ 223.286927][ T6778] el0t_64_sync_handler+0xcc/0xe4 [ 223.287643][ T6778] el0t_64_sync+0x1a0/0x1a4 [ 223.289862][ T6778] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.291816][ T6778] gfs2: fsid=}: error -17 adding sysfs files [ 223.423954][ T6781] loop1: detected capacity change from 0 to 32768 [ 223.468774][ T6781] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 223.469812][ T6781] CPU: 1 PID: 6781 Comm: syz.1.617 Not tainted syzkaller #0 [ 223.470844][ T6781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 223.472324][ T6781] Call trace: [ 223.472784][ T6781] dump_backtrace+0x0/0x43c [ 223.473393][ T6781] show_stack+0x2c/0x3c [ 223.473999][ T6781] __dump_stack+0x30/0x40 [ 223.474614][ T6781] dump_stack_lvl+0xf8/0x160 [ 223.475311][ T6781] dump_stack+0x1c/0x5c [ 223.475884][ T6781] sysfs_create_dir_ns+0x22c/0x24c [ 223.476605][ T6781] kobject_add_internal+0x590/0xc54 [ 223.477327][ T6781] kobject_init_and_add+0x118/0x17c [ 223.478049][ T6781] gfs2_sys_fs_add+0x1dc/0x3d8 [ 223.478687][ T6781] gfs2_fill_super+0xdac/0x19e0 [ 223.479330][ T6781] get_tree_bdev+0x358/0x544 [ 223.480015][ T6781] gfs2_get_tree+0x54/0x1b4 [ 223.480631][ T6781] vfs_get_tree+0x90/0x274 [ 223.481241][ T6781] do_new_mount+0x228/0x810 [ 223.481841][ T6781] path_mount+0x5b4/0x1000 [ 223.482493][ T6781] __arm64_sys_mount+0x514/0x5e4 [ 223.483194][ T6781] invoke_syscall+0x98/0x2b8 [ 223.483803][ T6781] el0_svc_common+0x138/0x258 [ 223.484431][ T6781] do_el0_svc+0x58/0x14c [ 223.484988][ T6781] el0_svc+0x78/0x1e0 [ 223.485547][ T6781] el0t_64_sync_handler+0xcc/0xe4 [ 223.486232][ T6781] el0t_64_sync+0x1a0/0x1a4 [ 223.488355][ T6781] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 223.490120][ T6781] gfs2: fsid=}: error -17 adding sysfs files [ 223.567525][ T6784] chnl_net:caif_netlink_parms(): no params data found [ 223.593565][ T6784] bridge0: port 1(bridge_slave_0) entered blocking state [ 223.594676][ T6784] bridge0: port 1(bridge_slave_0) entered disabled state [ 223.596081][ T6784] device bridge_slave_0 entered promiscuous mode [ 223.599674][ T6784] bridge0: port 2(bridge_slave_1) entered blocking state [ 223.600743][ T6784] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.602128][ T6784] device bridge_slave_1 entered promiscuous mode [ 223.613510][ T6784] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 223.616030][ T6784] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 223.624535][ T6784] team0: Port device team_slave_0 added [ 223.626659][ T6784] team0: Port device team_slave_1 added [ 223.635873][ T6784] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 223.637078][ T6784] 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. [ 223.640503][ T6784] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 223.642710][ T6784] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 223.643780][ T6784] 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. [ 223.648936][ T6784] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 223.688372][ T6784] device hsr_slave_0 entered promiscuous mode [ 223.737126][ T6784] device hsr_slave_1 entered promiscuous mode [ 223.796875][ T6784] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 223.798094][ T6784] Cannot create hsr debugfs directory [ 223.830392][ T6784] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 224.141904][ T6784] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 224.184888][ T6784] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 224.251414][ T6784] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 224.407135][ T6784] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 224.451508][ T6784] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 224.488175][ T6784] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 224.541098][ T6784] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 224.639829][ T6784] 8021q: adding VLAN 0 to HW filter on device bond0 [ 224.643929][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 224.645446][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 224.652347][ T6784] 8021q: adding VLAN 0 to HW filter on device team0 [ 224.655486][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 224.657457][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 224.658860][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 224.659876][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 224.661145][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 224.663753][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 224.665173][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 224.666631][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 224.667701][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 224.673408][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 224.676203][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 224.682508][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 224.684193][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 224.685874][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 224.689682][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 224.691270][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 224.694622][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 224.696151][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 224.701237][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 224.702764][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 224.705201][ T6784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 224.748437][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 224.749638][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 224.753279][ T6784] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 224.759571][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 224.761253][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 224.768087][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 224.769668][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 224.771223][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 224.772579][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 224.775081][ T6784] device veth0_vlan entered promiscuous mode [ 224.784063][ T6784] device veth1_vlan entered promiscuous mode [ 224.791628][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 224.793183][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 224.794522][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 224.796424][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 224.801623][ T6784] device veth0_macvtap entered promiscuous mode [ 224.803997][ T6784] device veth1_macvtap entered promiscuous mode [ 224.809511][ T6784] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 224.811071][ T6784] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.812334][ T6784] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 224.813815][ T6784] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.815700][ T6784] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 224.816721][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 224.818745][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 224.820071][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 224.821578][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 224.823845][ T6784] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.825377][ T6784] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.827935][ T6784] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 224.829520][ T6784] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 224.831540][ T6784] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 224.835920][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 224.840265][ T447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 224.842734][ T6784] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.843996][ T6784] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.845193][ T6784] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.846348][ T6784] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 224.874533][ T364] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 224.875716][ T364] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 224.879853][ T364] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 224.888338][ T364] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 224.889548][ T364] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 224.891159][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 225.030278][ T6803] loop1: detected capacity change from 0 to 32768 [ 225.084877][ T6803] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.085941][ T6803] CPU: 1 PID: 6803 Comm: syz.1.618 Not tainted syzkaller #0 [ 225.087109][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.088550][ T6803] Call trace: [ 225.089034][ T6803] dump_backtrace+0x0/0x43c [ 225.089654][ T6803] show_stack+0x2c/0x3c [ 225.090206][ T6803] __dump_stack+0x30/0x40 [ 225.090851][ T6803] dump_stack_lvl+0xf8/0x160 [ 225.091497][ T6803] dump_stack+0x1c/0x5c [ 225.092075][ T6803] sysfs_create_dir_ns+0x22c/0x24c [ 225.092749][ T6803] kobject_add_internal+0x590/0xc54 [ 225.093482][ T6803] kobject_init_and_add+0x118/0x17c [ 225.094179][ T6803] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.094861][ T6803] gfs2_fill_super+0xdac/0x19e0 [ 225.095505][ T6803] get_tree_bdev+0x358/0x544 [ 225.096128][ T6803] gfs2_get_tree+0x54/0x1b4 [ 225.096751][ T6803] vfs_get_tree+0x90/0x274 [ 225.097354][ T6803] do_new_mount+0x228/0x810 [ 225.098004][ T6803] path_mount+0x5b4/0x1000 [ 225.098614][ T6803] __arm64_sys_mount+0x514/0x5e4 [ 225.099270][ T6803] invoke_syscall+0x98/0x2b8 [ 225.099903][ T6803] el0_svc_common+0x138/0x258 [ 225.100538][ T6803] do_el0_svc+0x58/0x14c [ 225.101136][ T6803] el0_svc+0x78/0x1e0 [ 225.101691][ T6803] el0t_64_sync_handler+0xcc/0xe4 [ 225.102428][ T6803] el0t_64_sync+0x1a0/0x1a4 [ 225.104655][ T6803] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.106388][ T6803] gfs2: fsid=}: error -17 adding sysfs files [ 225.251281][ T6806] loop1: detected capacity change from 0 to 32768 [ 225.330534][ T6806] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.331617][ T6806] CPU: 1 PID: 6806 Comm: syz.1.619 Not tainted syzkaller #0 [ 225.332615][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.334075][ T6806] Call trace: [ 225.334578][ T6806] dump_backtrace+0x0/0x43c [ 225.335217][ T6806] show_stack+0x2c/0x3c [ 225.335795][ T6806] __dump_stack+0x30/0x40 [ 225.336413][ T6806] dump_stack_lvl+0xf8/0x160 [ 225.337063][ T6806] dump_stack+0x1c/0x5c [ 225.337659][ T6806] sysfs_create_dir_ns+0x22c/0x24c [ 225.338379][ T6806] kobject_add_internal+0x590/0xc54 [ 225.339124][ T6806] kobject_init_and_add+0x118/0x17c [ 225.339822][ T6806] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.340493][ T6806] gfs2_fill_super+0xdac/0x19e0 [ 225.341172][ T6806] get_tree_bdev+0x358/0x544 [ 225.341784][ T6806] gfs2_get_tree+0x54/0x1b4 [ 225.342390][ T6806] vfs_get_tree+0x90/0x274 [ 225.343003][ T6806] do_new_mount+0x228/0x810 [ 225.343621][ T6806] path_mount+0x5b4/0x1000 [ 225.344252][ T6806] __arm64_sys_mount+0x514/0x5e4 [ 225.344967][ T6806] invoke_syscall+0x98/0x2b8 [ 225.345582][ T6806] el0_svc_common+0x138/0x258 [ 225.346205][ T6806] do_el0_svc+0x58/0x14c [ 225.346796][ T6806] el0_svc+0x78/0x1e0 [ 225.347355][ T6806] el0t_64_sync_handler+0xcc/0xe4 [ 225.348016][ T6806] el0t_64_sync+0x1a0/0x1a4 [ 225.350654][ T6806] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.352432][ T6806] gfs2: fsid=}: error -17 adding sysfs files [ 225.404956][ T1642] device hsr_slave_0 left promiscuous mode 1970/01/01 00:03:45 executed programs: 606 [ 225.439660][ T1642] device hsr_slave_1 left promiscuous mode [ 225.516884][ T1642] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 225.517026][ T4226] Bluetooth: hci2: command 0x0409 tx timeout [ 225.518016][ T1642] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 225.520784][ T1642] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 225.521941][ T1642] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 225.523361][ T1642] device bridge_slave_1 left promiscuous mode [ 225.524393][ T1642] bridge0: port 2(bridge_slave_1) entered disabled state [ 225.539615][ T6809] loop1: detected capacity change from 0 to 32768 [ 225.557470][ T1642] device bridge_slave_0 left promiscuous mode [ 225.558461][ T1642] bridge0: port 1(bridge_slave_0) entered disabled state [ 225.581585][ T6809] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.582661][ T6809] CPU: 1 PID: 6809 Comm: syz.1.620 Not tainted syzkaller #0 [ 225.583667][ T6809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.585089][ T6809] Call trace: [ 225.585559][ T6809] dump_backtrace+0x0/0x43c [ 225.586143][ T6809] show_stack+0x2c/0x3c [ 225.586733][ T6809] __dump_stack+0x30/0x40 [ 225.587382][ T6809] dump_stack_lvl+0xf8/0x160 [ 225.588087][ T6809] dump_stack+0x1c/0x5c [ 225.588669][ T6809] sysfs_create_dir_ns+0x22c/0x24c [ 225.589376][ T6809] kobject_add_internal+0x590/0xc54 [ 225.590144][ T6809] kobject_init_and_add+0x118/0x17c [ 225.590857][ T6809] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.591585][ T6809] gfs2_fill_super+0xdac/0x19e0 [ 225.592252][ T6809] get_tree_bdev+0x358/0x544 [ 225.592880][ T6809] gfs2_get_tree+0x54/0x1b4 [ 225.593503][ T6809] vfs_get_tree+0x90/0x274 [ 225.594127][ T6809] do_new_mount+0x228/0x810 [ 225.594808][ T6809] path_mount+0x5b4/0x1000 [ 225.595382][ T6809] __arm64_sys_mount+0x514/0x5e4 [ 225.596140][ T6809] invoke_syscall+0x98/0x2b8 [ 225.596779][ T6809] el0_svc_common+0x138/0x258 [ 225.597424][ T6809] do_el0_svc+0x58/0x14c [ 225.597965][ T6809] el0_svc+0x78/0x1e0 [ 225.598539][ T6809] el0t_64_sync_handler+0xcc/0xe4 [ 225.599232][ T6809] el0t_64_sync+0x1a0/0x1a4 [ 225.600982][ T6809] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.602874][ T6809] gfs2: fsid=}: error -17 adding sysfs files [ 225.687018][ T1642] device veth1_macvtap left promiscuous mode [ 225.687922][ T1642] device veth0_macvtap left promiscuous mode [ 225.688856][ T1642] device veth1_vlan left promiscuous mode [ 225.689786][ T1642] device veth0_vlan left promiscuous mode [ 225.746548][ T6812] loop1: detected capacity change from 0 to 32768 [ 225.753432][ T6812] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 225.754441][ T6812] CPU: 1 PID: 6812 Comm: syz.1.621 Not tainted syzkaller #0 [ 225.755362][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 225.756857][ T6812] Call trace: [ 225.757332][ T6812] dump_backtrace+0x0/0x43c [ 225.758006][ T6812] show_stack+0x2c/0x3c [ 225.758614][ T6812] __dump_stack+0x30/0x40 [ 225.759219][ T6812] dump_stack_lvl+0xf8/0x160 [ 225.759896][ T6812] dump_stack+0x1c/0x5c [ 225.760485][ T6812] sysfs_create_dir_ns+0x22c/0x24c [ 225.761184][ T6812] kobject_add_internal+0x590/0xc54 [ 225.761923][ T6812] kobject_init_and_add+0x118/0x17c [ 225.762665][ T6812] gfs2_sys_fs_add+0x1dc/0x3d8 [ 225.763356][ T6812] gfs2_fill_super+0xdac/0x19e0 [ 225.764044][ T6812] get_tree_bdev+0x358/0x544 [ 225.764691][ T6812] gfs2_get_tree+0x54/0x1b4 [ 225.765348][ T6812] vfs_get_tree+0x90/0x274 [ 225.765983][ T6812] do_new_mount+0x228/0x810 [ 225.766636][ T6812] path_mount+0x5b4/0x1000 [ 225.767276][ T6812] __arm64_sys_mount+0x514/0x5e4 [ 225.767993][ T6812] invoke_syscall+0x98/0x2b8 [ 225.768626][ T6812] el0_svc_common+0x138/0x258 [ 225.769226][ T6812] do_el0_svc+0x58/0x14c [ 225.769811][ T6812] el0_svc+0x78/0x1e0 [ 225.770467][ T6812] el0t_64_sync_handler+0xcc/0xe4 [ 225.771154][ T6812] el0t_64_sync+0x1a0/0x1a4 [ 225.780166][ T6812] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 225.782512][ T6812] gfs2: fsid=}: error -17 adding sysfs files [ 225.825273][ T1642] team0 (unregistering): Port device team_slave_1 removed [ 225.830364][ T1642] team0 (unregistering): Port device team_slave_0 removed [ 225.834726][ T1642] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 225.867313][ T1642] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 225.960195][ T1642] bond0 (unregistering): Released all slaves [ 226.033536][ T6815] loop1: detected capacity change from 0 to 32768 [ 226.037525][ T6815] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.039130][ T6815] CPU: 0 PID: 6815 Comm: syz.1.622 Not tainted syzkaller #0 [ 226.040175][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.041587][ T6815] Call trace: [ 226.042026][ T6815] dump_backtrace+0x0/0x43c [ 226.042637][ T6815] show_stack+0x2c/0x3c [ 226.043210][ T6815] __dump_stack+0x30/0x40 [ 226.043815][ T6815] dump_stack_lvl+0xf8/0x160 [ 226.044447][ T6815] dump_stack+0x1c/0x5c [ 226.045081][ T6815] sysfs_create_dir_ns+0x22c/0x24c [ 226.045753][ T6815] kobject_add_internal+0x590/0xc54 [ 226.046479][ T6815] kobject_init_and_add+0x118/0x17c [ 226.047192][ T6815] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.047855][ T6815] gfs2_fill_super+0xdac/0x19e0 [ 226.048533][ T6815] get_tree_bdev+0x358/0x544 [ 226.049224][ T6815] gfs2_get_tree+0x54/0x1b4 [ 226.049846][ T6815] vfs_get_tree+0x90/0x274 [ 226.050428][ T6815] do_new_mount+0x228/0x810 [ 226.051062][ T6815] path_mount+0x5b4/0x1000 [ 226.051660][ T6815] __arm64_sys_mount+0x514/0x5e4 [ 226.052397][ T6815] invoke_syscall+0x98/0x2b8 [ 226.053048][ T6815] el0_svc_common+0x138/0x258 [ 226.053750][ T6815] do_el0_svc+0x58/0x14c [ 226.054364][ T6815] el0_svc+0x78/0x1e0 [ 226.054977][ T6815] el0t_64_sync_handler+0xcc/0xe4 [ 226.055694][ T6815] el0t_64_sync+0x1a0/0x1a4 [ 226.059196][ T6815] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.069061][ T6815] gfs2: fsid=}: error -17 adding sysfs files [ 226.335826][ T6818] loop1: detected capacity change from 0 to 32768 [ 226.358295][ T6818] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.359283][ T6818] CPU: 1 PID: 6818 Comm: syz.1.623 Not tainted syzkaller #0 [ 226.360330][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.361732][ T6818] Call trace: [ 226.362224][ T6818] dump_backtrace+0x0/0x43c [ 226.362920][ T6818] show_stack+0x2c/0x3c [ 226.363446][ T6818] __dump_stack+0x30/0x40 [ 226.364052][ T6818] dump_stack_lvl+0xf8/0x160 [ 226.364707][ T6818] dump_stack+0x1c/0x5c [ 226.365293][ T6818] sysfs_create_dir_ns+0x22c/0x24c [ 226.366014][ T6818] kobject_add_internal+0x590/0xc54 [ 226.366813][ T6818] kobject_init_and_add+0x118/0x17c [ 226.367564][ T6818] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.368268][ T6818] gfs2_fill_super+0xdac/0x19e0 [ 226.368912][ T6818] get_tree_bdev+0x358/0x544 [ 226.369577][ T6818] gfs2_get_tree+0x54/0x1b4 [ 226.370198][ T6818] vfs_get_tree+0x90/0x274 [ 226.370818][ T6818] do_new_mount+0x228/0x810 [ 226.371467][ T6818] path_mount+0x5b4/0x1000 [ 226.372140][ T6818] __arm64_sys_mount+0x514/0x5e4 [ 226.372859][ T6818] invoke_syscall+0x98/0x2b8 [ 226.373517][ T6818] el0_svc_common+0x138/0x258 [ 226.374172][ T6818] do_el0_svc+0x58/0x14c [ 226.374732][ T6818] el0_svc+0x78/0x1e0 [ 226.375310][ T6818] el0t_64_sync_handler+0xcc/0xe4 [ 226.376008][ T6818] el0t_64_sync+0x1a0/0x1a4 [ 226.377485][ T6818] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.379273][ T6818] gfs2: fsid=}: error -17 adding sysfs files [ 226.519373][ T6821] loop1: detected capacity change from 0 to 32768 [ 226.568424][ T6821] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.569454][ T6821] CPU: 0 PID: 6821 Comm: syz.1.624 Not tainted syzkaller #0 [ 226.570577][ T6821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.571898][ T6821] Call trace: [ 226.572307][ T6821] dump_backtrace+0x0/0x43c [ 226.572934][ T6821] show_stack+0x2c/0x3c [ 226.573608][ T6821] __dump_stack+0x30/0x40 [ 226.574286][ T6821] dump_stack_lvl+0xf8/0x160 [ 226.574898][ T6821] dump_stack+0x1c/0x5c [ 226.575517][ T6821] sysfs_create_dir_ns+0x22c/0x24c [ 226.576295][ T6821] kobject_add_internal+0x590/0xc54 [ 226.577019][ T6821] kobject_init_and_add+0x118/0x17c [ 226.577778][ T6821] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.578492][ T6821] gfs2_fill_super+0xdac/0x19e0 [ 226.579186][ T6821] get_tree_bdev+0x358/0x544 [ 226.579854][ T6821] gfs2_get_tree+0x54/0x1b4 [ 226.580559][ T6821] vfs_get_tree+0x90/0x274 [ 226.581207][ T6821] do_new_mount+0x228/0x810 [ 226.581930][ T6821] path_mount+0x5b4/0x1000 [ 226.582596][ T6821] __arm64_sys_mount+0x514/0x5e4 [ 226.583301][ T6821] invoke_syscall+0x98/0x2b8 [ 226.583984][ T6821] el0_svc_common+0x138/0x258 [ 226.584672][ T6821] do_el0_svc+0x58/0x14c [ 226.585290][ T6821] el0_svc+0x78/0x1e0 [ 226.585827][ T6821] el0t_64_sync_handler+0xcc/0xe4 [ 226.586587][ T6821] el0t_64_sync+0x1a0/0x1a4 [ 226.588957][ T6821] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.590806][ T6821] gfs2: fsid=}: error -17 adding sysfs files [ 226.730173][ T6824] loop1: detected capacity change from 0 to 32768 [ 226.791552][ T6824] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 226.792722][ T6824] CPU: 0 PID: 6824 Comm: syz.1.625 Not tainted syzkaller #0 [ 226.793922][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 226.795463][ T6824] Call trace: [ 226.795924][ T6824] dump_backtrace+0x0/0x43c [ 226.796580][ T6824] show_stack+0x2c/0x3c [ 226.797222][ T6824] __dump_stack+0x30/0x40 [ 226.797844][ T6824] dump_stack_lvl+0xf8/0x160 [ 226.798537][ T6824] dump_stack+0x1c/0x5c [ 226.799148][ T6824] sysfs_create_dir_ns+0x22c/0x24c [ 226.799856][ T6824] kobject_add_internal+0x590/0xc54 [ 226.800630][ T6824] kobject_init_and_add+0x118/0x17c [ 226.801410][ T6824] gfs2_sys_fs_add+0x1dc/0x3d8 [ 226.802114][ T6824] gfs2_fill_super+0xdac/0x19e0 [ 226.802819][ T6824] get_tree_bdev+0x358/0x544 [ 226.803475][ T6824] gfs2_get_tree+0x54/0x1b4 [ 226.804123][ T6824] vfs_get_tree+0x90/0x274 [ 226.804760][ T6824] do_new_mount+0x228/0x810 [ 226.805369][ T6824] path_mount+0x5b4/0x1000 [ 226.805984][ T6824] __arm64_sys_mount+0x514/0x5e4 [ 226.806704][ T6824] invoke_syscall+0x98/0x2b8 [ 226.807347][ T6824] el0_svc_common+0x138/0x258 [ 226.808028][ T6824] do_el0_svc+0x58/0x14c [ 226.808602][ T6824] el0_svc+0x78/0x1e0 [ 226.809174][ T6824] el0t_64_sync_handler+0xcc/0xe4 [ 226.809889][ T6824] el0t_64_sync+0x1a0/0x1a4 [ 226.812495][ T6824] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 226.814662][ T6824] gfs2: fsid=}: error -17 adding sysfs files [ 226.956749][ T6827] loop1: detected capacity change from 0 to 32768 [ 227.006879][ T6827] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.007914][ T6827] CPU: 0 PID: 6827 Comm: syz.1.626 Not tainted syzkaller #0 [ 227.008930][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.010332][ T6827] Call trace: [ 227.010764][ T6827] dump_backtrace+0x0/0x43c [ 227.011403][ T6827] show_stack+0x2c/0x3c [ 227.012110][ T6827] __dump_stack+0x30/0x40 [ 227.012763][ T6827] dump_stack_lvl+0xf8/0x160 [ 227.013458][ T6827] dump_stack+0x1c/0x5c [ 227.014090][ T6827] sysfs_create_dir_ns+0x22c/0x24c [ 227.014832][ T6827] kobject_add_internal+0x590/0xc54 [ 227.015542][ T6827] kobject_init_and_add+0x118/0x17c [ 227.016291][ T6827] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.017008][ T6827] gfs2_fill_super+0xdac/0x19e0 [ 227.017718][ T6827] get_tree_bdev+0x358/0x544 [ 227.018337][ T6827] gfs2_get_tree+0x54/0x1b4 [ 227.019028][ T6827] vfs_get_tree+0x90/0x274 [ 227.019768][ T6827] do_new_mount+0x228/0x810 [ 227.020429][ T6827] path_mount+0x5b4/0x1000 [ 227.021060][ T6827] __arm64_sys_mount+0x514/0x5e4 [ 227.021733][ T6827] invoke_syscall+0x98/0x2b8 [ 227.022412][ T6827] el0_svc_common+0x138/0x258 [ 227.023024][ T6827] do_el0_svc+0x58/0x14c [ 227.023591][ T6827] el0_svc+0x78/0x1e0 [ 227.024193][ T6827] el0t_64_sync_handler+0xcc/0xe4 [ 227.024909][ T6827] el0t_64_sync+0x1a0/0x1a4 [ 227.034733][ T6827] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.036710][ T6827] gfs2: fsid=}: error -17 adding sysfs files [ 227.268432][ T6830] loop1: detected capacity change from 0 to 32768 [ 227.397946][ T6830] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.398997][ T6830] CPU: 1 PID: 6830 Comm: syz.1.627 Not tainted syzkaller #0 [ 227.399962][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.401257][ T6830] Call trace: [ 227.401696][ T6830] dump_backtrace+0x0/0x43c [ 227.402351][ T6830] show_stack+0x2c/0x3c [ 227.402935][ T6830] __dump_stack+0x30/0x40 [ 227.403527][ T6830] dump_stack_lvl+0xf8/0x160 [ 227.404143][ T6830] dump_stack+0x1c/0x5c [ 227.404692][ T6830] sysfs_create_dir_ns+0x22c/0x24c [ 227.405393][ T6830] kobject_add_internal+0x590/0xc54 [ 227.406079][ T6830] kobject_init_and_add+0x118/0x17c [ 227.406796][ T6830] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.407481][ T6830] gfs2_fill_super+0xdac/0x19e0 [ 227.408187][ T6830] get_tree_bdev+0x358/0x544 [ 227.408864][ T6830] gfs2_get_tree+0x54/0x1b4 [ 227.409473][ T6830] vfs_get_tree+0x90/0x274 [ 227.410043][ T6830] do_new_mount+0x228/0x810 [ 227.410633][ T6830] path_mount+0x5b4/0x1000 [ 227.411233][ T6830] __arm64_sys_mount+0x514/0x5e4 [ 227.411909][ T6830] invoke_syscall+0x98/0x2b8 [ 227.412549][ T6830] el0_svc_common+0x138/0x258 [ 227.413216][ T6830] do_el0_svc+0x58/0x14c [ 227.413825][ T6830] el0_svc+0x78/0x1e0 [ 227.414359][ T6830] el0t_64_sync_handler+0xcc/0xe4 [ 227.415038][ T6830] el0t_64_sync+0x1a0/0x1a4 [ 227.418019][ T6830] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.419743][ T6830] gfs2: fsid=}: error -17 adding sysfs files [ 227.575644][ T6833] loop1: detected capacity change from 0 to 32768 [ 227.584254][ T6833] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.585232][ T6833] CPU: 1 PID: 6833 Comm: syz.1.628 Not tainted syzkaller #0 [ 227.586283][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.587724][ T6833] Call trace: [ 227.588191][ T6833] dump_backtrace+0x0/0x43c [ 227.588840][ T6833] show_stack+0x2c/0x3c [ 227.589408][ T6833] __dump_stack+0x30/0x40 [ 227.590013][ T6833] dump_stack_lvl+0xf8/0x160 [ 227.590636][ T6833] dump_stack+0x1c/0x5c [ 227.591177][ T6833] sysfs_create_dir_ns+0x22c/0x24c [ 227.591854][ T6833] kobject_add_internal+0x590/0xc54 [ 227.592629][ T6833] kobject_init_and_add+0x118/0x17c [ 227.593381][ T6833] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.594030][ T6833] gfs2_fill_super+0xdac/0x19e0 [ 227.594719][ T6833] get_tree_bdev+0x358/0x544 [ 227.595357][ T6833] gfs2_get_tree+0x54/0x1b4 [ 227.596034][ T6833] vfs_get_tree+0x90/0x274 [ 227.596697][ T6833] do_new_mount+0x228/0x810 [ 227.597306][ T6833] path_mount+0x5b4/0x1000 [ 227.597921][ T6833] __arm64_sys_mount+0x514/0x5e4 [ 227.598618][ T6833] invoke_syscall+0x98/0x2b8 [ 227.599338][ T6833] el0_svc_common+0x138/0x258 [ 227.599978][ T6833] do_el0_svc+0x58/0x14c [ 227.600570][ T6833] el0_svc+0x78/0x1e0 [ 227.601104][ T6833] el0t_64_sync_handler+0xcc/0xe4 [ 227.601798][ T6833] el0t_64_sync+0x1a0/0x1a4 [ 227.602589][ T1541] Bluetooth: hci2: command 0x041b tx timeout [ 227.603516][ T6833] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.605305][ T6833] gfs2: fsid=}: error -17 adding sysfs files [ 227.755564][ T6836] loop1: detected capacity change from 0 to 32768 [ 227.789635][ T6836] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 227.790682][ T6836] CPU: 1 PID: 6836 Comm: syz.1.629 Not tainted syzkaller #0 [ 227.791707][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 227.793048][ T6836] Call trace: [ 227.793503][ T6836] dump_backtrace+0x0/0x43c [ 227.794164][ T6836] show_stack+0x2c/0x3c [ 227.794726][ T6836] __dump_stack+0x30/0x40 [ 227.795287][ T6836] dump_stack_lvl+0xf8/0x160 [ 227.795864][ T6836] dump_stack+0x1c/0x5c [ 227.796440][ T6836] sysfs_create_dir_ns+0x22c/0x24c [ 227.797193][ T6836] kobject_add_internal+0x590/0xc54 [ 227.797892][ T6836] kobject_init_and_add+0x118/0x17c [ 227.798675][ T6836] gfs2_sys_fs_add+0x1dc/0x3d8 [ 227.799321][ T6836] gfs2_fill_super+0xdac/0x19e0 [ 227.799990][ T6836] get_tree_bdev+0x358/0x544 [ 227.800660][ T6836] gfs2_get_tree+0x54/0x1b4 [ 227.801270][ T6836] vfs_get_tree+0x90/0x274 [ 227.801905][ T6836] do_new_mount+0x228/0x810 [ 227.802503][ T6836] path_mount+0x5b4/0x1000 [ 227.803170][ T6836] __arm64_sys_mount+0x514/0x5e4 [ 227.803814][ T6836] invoke_syscall+0x98/0x2b8 [ 227.804525][ T6836] el0_svc_common+0x138/0x258 [ 227.805186][ T6836] do_el0_svc+0x58/0x14c [ 227.805753][ T6836] el0_svc+0x78/0x1e0 [ 227.806334][ T6836] el0t_64_sync_handler+0xcc/0xe4 [ 227.807018][ T6836] el0t_64_sync+0x1a0/0x1a4 [ 227.808182][ T6836] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 227.809982][ T6836] gfs2: fsid=}: error -17 adding sysfs files [ 227.968831][ T6839] loop1: detected capacity change from 0 to 32768 [ 228.018209][ T6839] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.019274][ T6839] CPU: 1 PID: 6839 Comm: syz.1.630 Not tainted syzkaller #0 [ 228.020320][ T6839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.021726][ T6839] Call trace: [ 228.022111][ T6839] dump_backtrace+0x0/0x43c [ 228.022686][ T6839] show_stack+0x2c/0x3c [ 228.023244][ T6839] __dump_stack+0x30/0x40 [ 228.023891][ T6839] dump_stack_lvl+0xf8/0x160 [ 228.024527][ T6839] dump_stack+0x1c/0x5c [ 228.025134][ T6839] sysfs_create_dir_ns+0x22c/0x24c [ 228.025844][ T6839] kobject_add_internal+0x590/0xc54 [ 228.026618][ T6839] kobject_init_and_add+0x118/0x17c [ 228.027363][ T6839] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.028048][ T6839] gfs2_fill_super+0xdac/0x19e0 [ 228.028742][ T6839] get_tree_bdev+0x358/0x544 [ 228.029402][ T6839] gfs2_get_tree+0x54/0x1b4 [ 228.030053][ T6839] vfs_get_tree+0x90/0x274 [ 228.030670][ T6839] do_new_mount+0x228/0x810 [ 228.031287][ T6839] path_mount+0x5b4/0x1000 [ 228.031911][ T6839] __arm64_sys_mount+0x514/0x5e4 [ 228.032533][ T6839] invoke_syscall+0x98/0x2b8 [ 228.033227][ T6839] el0_svc_common+0x138/0x258 [ 228.033856][ T6839] do_el0_svc+0x58/0x14c [ 228.034485][ T6839] el0_svc+0x78/0x1e0 [ 228.035049][ T6839] el0t_64_sync_handler+0xcc/0xe4 [ 228.035809][ T6839] el0t_64_sync+0x1a0/0x1a4 [ 228.039427][ T6839] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.041274][ T6839] gfs2: fsid=}: error -17 adding sysfs files [ 228.253708][ T6842] loop1: detected capacity change from 0 to 32768 [ 228.303882][ T6842] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.304985][ T6842] CPU: 1 PID: 6842 Comm: syz.1.631 Not tainted syzkaller #0 [ 228.305982][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.307437][ T6842] Call trace: [ 228.307889][ T6842] dump_backtrace+0x0/0x43c [ 228.308525][ T6842] show_stack+0x2c/0x3c [ 228.309094][ T6842] __dump_stack+0x30/0x40 [ 228.309706][ T6842] dump_stack_lvl+0xf8/0x160 [ 228.310374][ T6842] dump_stack+0x1c/0x5c [ 228.310953][ T6842] sysfs_create_dir_ns+0x22c/0x24c [ 228.311697][ T6842] kobject_add_internal+0x590/0xc54 [ 228.312459][ T6842] kobject_init_and_add+0x118/0x17c [ 228.313165][ T6842] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.313810][ T6842] gfs2_fill_super+0xdac/0x19e0 [ 228.314512][ T6842] get_tree_bdev+0x358/0x544 [ 228.315132][ T6842] gfs2_get_tree+0x54/0x1b4 [ 228.315821][ T6842] vfs_get_tree+0x90/0x274 [ 228.316427][ T6842] do_new_mount+0x228/0x810 [ 228.317062][ T6842] path_mount+0x5b4/0x1000 [ 228.317704][ T6842] __arm64_sys_mount+0x514/0x5e4 [ 228.318331][ T6842] invoke_syscall+0x98/0x2b8 [ 228.318982][ T6842] el0_svc_common+0x138/0x258 [ 228.319587][ T6842] do_el0_svc+0x58/0x14c [ 228.320147][ T6842] el0_svc+0x78/0x1e0 [ 228.320683][ T6842] el0t_64_sync_handler+0xcc/0xe4 [ 228.321380][ T6842] el0t_64_sync+0x1a0/0x1a4 [ 228.322262][ T6842] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.323951][ T6842] gfs2: fsid=}: error -17 adding sysfs files [ 228.457058][ T6845] loop1: detected capacity change from 0 to 32768 [ 228.498713][ T6845] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.499830][ T6845] CPU: 0 PID: 6845 Comm: syz.1.632 Not tainted syzkaller #0 [ 228.500809][ T6845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.502218][ T6845] Call trace: [ 228.502671][ T6845] dump_backtrace+0x0/0x43c [ 228.503308][ T6845] show_stack+0x2c/0x3c [ 228.503892][ T6845] __dump_stack+0x30/0x40 [ 228.504517][ T6845] dump_stack_lvl+0xf8/0x160 [ 228.505141][ T6845] dump_stack+0x1c/0x5c [ 228.505709][ T6845] sysfs_create_dir_ns+0x22c/0x24c [ 228.506349][ T6845] kobject_add_internal+0x590/0xc54 [ 228.507106][ T6845] kobject_init_and_add+0x118/0x17c [ 228.507815][ T6845] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.508529][ T6845] gfs2_fill_super+0xdac/0x19e0 [ 228.509238][ T6845] get_tree_bdev+0x358/0x544 [ 228.509889][ T6845] gfs2_get_tree+0x54/0x1b4 [ 228.510491][ T6845] vfs_get_tree+0x90/0x274 [ 228.511132][ T6845] do_new_mount+0x228/0x810 [ 228.511778][ T6845] path_mount+0x5b4/0x1000 [ 228.512419][ T6845] __arm64_sys_mount+0x514/0x5e4 [ 228.513102][ T6845] invoke_syscall+0x98/0x2b8 [ 228.513741][ T6845] el0_svc_common+0x138/0x258 [ 228.514419][ T6845] do_el0_svc+0x58/0x14c [ 228.514993][ T6845] el0_svc+0x78/0x1e0 [ 228.515582][ T6845] el0t_64_sync_handler+0xcc/0xe4 [ 228.516300][ T6845] el0t_64_sync+0x1a0/0x1a4 [ 228.518808][ T6845] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.520687][ T6845] gfs2: fsid=}: error -17 adding sysfs files [ 228.653057][ T6848] loop1: detected capacity change from 0 to 32768 [ 228.712724][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.713830][ T6848] CPU: 0 PID: 6848 Comm: syz.1.633 Not tainted syzkaller #0 [ 228.714895][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.716293][ T6848] Call trace: [ 228.716748][ T6848] dump_backtrace+0x0/0x43c [ 228.717449][ T6848] show_stack+0x2c/0x3c [ 228.718000][ T6848] __dump_stack+0x30/0x40 [ 228.718585][ T6848] dump_stack_lvl+0xf8/0x160 [ 228.719245][ T6848] dump_stack+0x1c/0x5c [ 228.719886][ T6848] sysfs_create_dir_ns+0x22c/0x24c [ 228.720610][ T6848] kobject_add_internal+0x590/0xc54 [ 228.721333][ T6848] kobject_init_and_add+0x118/0x17c [ 228.722083][ T6848] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.722735][ T6848] gfs2_fill_super+0xdac/0x19e0 [ 228.723430][ T6848] get_tree_bdev+0x358/0x544 [ 228.724122][ T6848] gfs2_get_tree+0x54/0x1b4 [ 228.724734][ T6848] vfs_get_tree+0x90/0x274 [ 228.725380][ T6848] do_new_mount+0x228/0x810 [ 228.726016][ T6848] path_mount+0x5b4/0x1000 [ 228.726687][ T6848] __arm64_sys_mount+0x514/0x5e4 [ 228.727443][ T6848] invoke_syscall+0x98/0x2b8 [ 228.728069][ T6848] el0_svc_common+0x138/0x258 [ 228.728764][ T6848] do_el0_svc+0x58/0x14c [ 228.729344][ T6848] el0_svc+0x78/0x1e0 [ 228.729937][ T6848] el0t_64_sync_handler+0xcc/0xe4 [ 228.730667][ T6848] el0t_64_sync+0x1a0/0x1a4 [ 228.732866][ T6848] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.734703][ T6848] gfs2: fsid=}: error -17 adding sysfs files [ 228.902965][ T6851] loop1: detected capacity change from 0 to 32768 [ 228.910898][ T6851] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 228.912053][ T6851] CPU: 1 PID: 6851 Comm: syz.1.634 Not tainted syzkaller #0 [ 228.913030][ T6851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 228.914473][ T6851] Call trace: [ 228.914950][ T6851] dump_backtrace+0x0/0x43c [ 228.915555][ T6851] show_stack+0x2c/0x3c [ 228.916139][ T6851] __dump_stack+0x30/0x40 [ 228.916767][ T6851] dump_stack_lvl+0xf8/0x160 [ 228.917426][ T6851] dump_stack+0x1c/0x5c [ 228.918001][ T6851] sysfs_create_dir_ns+0x22c/0x24c [ 228.918767][ T6851] kobject_add_internal+0x590/0xc54 [ 228.919498][ T6851] kobject_init_and_add+0x118/0x17c [ 228.920195][ T6851] gfs2_sys_fs_add+0x1dc/0x3d8 [ 228.920843][ T6851] gfs2_fill_super+0xdac/0x19e0 [ 228.921548][ T6851] get_tree_bdev+0x358/0x544 [ 228.922158][ T6851] gfs2_get_tree+0x54/0x1b4 [ 228.922820][ T6851] vfs_get_tree+0x90/0x274 [ 228.923471][ T6851] do_new_mount+0x228/0x810 [ 228.924120][ T6851] path_mount+0x5b4/0x1000 [ 228.924727][ T6851] __arm64_sys_mount+0x514/0x5e4 [ 228.925427][ T6851] invoke_syscall+0x98/0x2b8 [ 228.926073][ T6851] el0_svc_common+0x138/0x258 [ 228.926739][ T6851] do_el0_svc+0x58/0x14c [ 228.927382][ T6851] el0_svc+0x78/0x1e0 [ 228.927970][ T6851] el0t_64_sync_handler+0xcc/0xe4 [ 228.928668][ T6851] el0t_64_sync+0x1a0/0x1a4 [ 228.930897][ T6851] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 228.932805][ T6851] gfs2: fsid=}: error -17 adding sysfs files [ 229.170304][ T6854] loop1: detected capacity change from 0 to 32768 [ 229.223929][ T6854] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.224988][ T6854] CPU: 1 PID: 6854 Comm: syz.1.635 Not tainted syzkaller #0 [ 229.226024][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.227411][ T6854] Call trace: [ 229.227840][ T6854] dump_backtrace+0x0/0x43c [ 229.228454][ T6854] show_stack+0x2c/0x3c [ 229.229044][ T6854] __dump_stack+0x30/0x40 [ 229.229625][ T6854] dump_stack_lvl+0xf8/0x160 [ 229.230245][ T6854] dump_stack+0x1c/0x5c [ 229.230804][ T6854] sysfs_create_dir_ns+0x22c/0x24c [ 229.231528][ T6854] kobject_add_internal+0x590/0xc54 [ 229.232227][ T6854] kobject_init_and_add+0x118/0x17c [ 229.232925][ T6854] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.233551][ T6854] gfs2_fill_super+0xdac/0x19e0 [ 229.234211][ T6854] get_tree_bdev+0x358/0x544 [ 229.234831][ T6854] gfs2_get_tree+0x54/0x1b4 [ 229.235408][ T6854] vfs_get_tree+0x90/0x274 [ 229.236038][ T6854] do_new_mount+0x228/0x810 [ 229.236694][ T6854] path_mount+0x5b4/0x1000 [ 229.237311][ T6854] __arm64_sys_mount+0x514/0x5e4 [ 229.237990][ T6854] invoke_syscall+0x98/0x2b8 [ 229.238643][ T6854] el0_svc_common+0x138/0x258 [ 229.239287][ T6854] do_el0_svc+0x58/0x14c [ 229.239866][ T6854] el0_svc+0x78/0x1e0 [ 229.240430][ T6854] el0t_64_sync_handler+0xcc/0xe4 [ 229.241085][ T6854] el0t_64_sync+0x1a0/0x1a4 [ 229.242504][ T6854] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.244273][ T6854] gfs2: fsid=}: error -17 adding sysfs files [ 229.429042][ T6857] loop1: detected capacity change from 0 to 32768 [ 229.509761][ T6857] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.510849][ T6857] CPU: 0 PID: 6857 Comm: syz.1.636 Not tainted syzkaller #0 [ 229.511991][ T6857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.513519][ T6857] Call trace: [ 229.514015][ T6857] dump_backtrace+0x0/0x43c [ 229.514667][ T6857] show_stack+0x2c/0x3c [ 229.515231][ T6857] __dump_stack+0x30/0x40 [ 229.515927][ T6857] dump_stack_lvl+0xf8/0x160 [ 229.516577][ T6857] dump_stack+0x1c/0x5c [ 229.517276][ T6857] sysfs_create_dir_ns+0x22c/0x24c [ 229.517996][ T6857] kobject_add_internal+0x590/0xc54 [ 229.518749][ T6857] kobject_init_and_add+0x118/0x17c [ 229.519493][ T6857] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.520157][ T6857] gfs2_fill_super+0xdac/0x19e0 [ 229.520899][ T6857] get_tree_bdev+0x358/0x544 [ 229.521524][ T6857] gfs2_get_tree+0x54/0x1b4 [ 229.522199][ T6857] vfs_get_tree+0x90/0x274 [ 229.522809][ T6857] do_new_mount+0x228/0x810 [ 229.523455][ T6857] path_mount+0x5b4/0x1000 [ 229.524079][ T6857] __arm64_sys_mount+0x514/0x5e4 [ 229.524706][ T6857] invoke_syscall+0x98/0x2b8 [ 229.525380][ T6857] el0_svc_common+0x138/0x258 [ 229.526062][ T6857] do_el0_svc+0x58/0x14c [ 229.526708][ T6857] el0_svc+0x78/0x1e0 [ 229.527306][ T6857] el0t_64_sync_handler+0xcc/0xe4 [ 229.528056][ T6857] el0t_64_sync+0x1a0/0x1a4 [ 229.529289][ T6857] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.531210][ T6857] gfs2: fsid=}: error -17 adding sysfs files [ 229.672817][ T6860] loop1: detected capacity change from 0 to 32768 [ 229.676877][ T4226] Bluetooth: hci2: command 0x040f tx timeout [ 229.683540][ T6860] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.684744][ T6860] CPU: 1 PID: 6860 Comm: syz.1.637 Not tainted syzkaller #0 [ 229.685855][ T6860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.687319][ T6860] Call trace: [ 229.687817][ T6860] dump_backtrace+0x0/0x43c [ 229.688431][ T6860] show_stack+0x2c/0x3c [ 229.689033][ T6860] __dump_stack+0x30/0x40 [ 229.689655][ T6860] dump_stack_lvl+0xf8/0x160 [ 229.690296][ T6860] dump_stack+0x1c/0x5c [ 229.690880][ T6860] sysfs_create_dir_ns+0x22c/0x24c [ 229.691627][ T6860] kobject_add_internal+0x590/0xc54 [ 229.692329][ T6860] kobject_init_and_add+0x118/0x17c [ 229.693063][ T6860] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.693731][ T6860] gfs2_fill_super+0xdac/0x19e0 [ 229.694407][ T6860] get_tree_bdev+0x358/0x544 [ 229.695018][ T6860] gfs2_get_tree+0x54/0x1b4 [ 229.695567][ T6860] vfs_get_tree+0x90/0x274 [ 229.696133][ T6860] do_new_mount+0x228/0x810 [ 229.696755][ T6860] path_mount+0x5b4/0x1000 [ 229.697350][ T6860] __arm64_sys_mount+0x514/0x5e4 [ 229.697996][ T6860] invoke_syscall+0x98/0x2b8 [ 229.698606][ T6860] el0_svc_common+0x138/0x258 [ 229.699233][ T6860] do_el0_svc+0x58/0x14c [ 229.699788][ T6860] el0_svc+0x78/0x1e0 [ 229.700311][ T6860] el0t_64_sync_handler+0xcc/0xe4 [ 229.700982][ T6860] el0t_64_sync+0x1a0/0x1a4 [ 229.703737][ T6860] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.705496][ T6860] gfs2: fsid=}: error -17 adding sysfs files [ 229.840609][ T6863] loop1: detected capacity change from 0 to 32768 [ 229.932807][ T6863] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 229.933886][ T6863] CPU: 1 PID: 6863 Comm: syz.1.638 Not tainted syzkaller #0 [ 229.934939][ T6863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 229.936370][ T6863] Call trace: [ 229.936791][ T6863] dump_backtrace+0x0/0x43c [ 229.937501][ T6863] show_stack+0x2c/0x3c [ 229.938096][ T6863] __dump_stack+0x30/0x40 [ 229.938698][ T6863] dump_stack_lvl+0xf8/0x160 [ 229.939349][ T6863] dump_stack+0x1c/0x5c [ 229.939938][ T6863] sysfs_create_dir_ns+0x22c/0x24c [ 229.940661][ T6863] kobject_add_internal+0x590/0xc54 [ 229.941430][ T6863] kobject_init_and_add+0x118/0x17c [ 229.942119][ T6863] gfs2_sys_fs_add+0x1dc/0x3d8 [ 229.942820][ T6863] gfs2_fill_super+0xdac/0x19e0 [ 229.943461][ T6863] get_tree_bdev+0x358/0x544 [ 229.944106][ T6863] gfs2_get_tree+0x54/0x1b4 [ 229.944736][ T6863] vfs_get_tree+0x90/0x274 [ 229.945380][ T6863] do_new_mount+0x228/0x810 [ 229.946023][ T6863] path_mount+0x5b4/0x1000 [ 229.946623][ T6863] __arm64_sys_mount+0x514/0x5e4 [ 229.947298][ T6863] invoke_syscall+0x98/0x2b8 [ 229.947918][ T6863] el0_svc_common+0x138/0x258 [ 229.948588][ T6863] do_el0_svc+0x58/0x14c [ 229.949170][ T6863] el0_svc+0x78/0x1e0 [ 229.949725][ T6863] el0t_64_sync_handler+0xcc/0xe4 [ 229.950397][ T6863] el0t_64_sync+0x1a0/0x1a4 [ 229.951268][ T6863] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 229.952979][ T6863] gfs2: fsid=}: error -17 adding sysfs files [ 230.127866][ T6866] loop1: detected capacity change from 0 to 32768 [ 230.189624][ T6866] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.190773][ T6866] CPU: 1 PID: 6866 Comm: syz.1.639 Not tainted syzkaller #0 [ 230.191828][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.193410][ T6866] Call trace: [ 230.193884][ T6866] dump_backtrace+0x0/0x43c [ 230.194552][ T6866] show_stack+0x2c/0x3c [ 230.195190][ T6866] __dump_stack+0x30/0x40 [ 230.195840][ T6866] dump_stack_lvl+0xf8/0x160 [ 230.196507][ T6866] dump_stack+0x1c/0x5c [ 230.197114][ T6866] sysfs_create_dir_ns+0x22c/0x24c [ 230.197982][ T6866] kobject_add_internal+0x590/0xc54 [ 230.198759][ T6866] kobject_init_and_add+0x118/0x17c [ 230.199533][ T6866] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.200177][ T6866] gfs2_fill_super+0xdac/0x19e0 [ 230.200858][ T6866] get_tree_bdev+0x358/0x544 [ 230.201541][ T6866] gfs2_get_tree+0x54/0x1b4 [ 230.202179][ T6866] vfs_get_tree+0x90/0x274 [ 230.202773][ T6866] do_new_mount+0x228/0x810 [ 230.203376][ T6866] path_mount+0x5b4/0x1000 [ 230.204005][ T6866] __arm64_sys_mount+0x514/0x5e4 [ 230.204666][ T6866] invoke_syscall+0x98/0x2b8 [ 230.205290][ T6866] el0_svc_common+0x138/0x258 [ 230.205971][ T6866] do_el0_svc+0x58/0x14c [ 230.206573][ T6866] el0_svc+0x78/0x1e0 [ 230.207161][ T6866] el0t_64_sync_handler+0xcc/0xe4 [ 230.207843][ T6866] el0t_64_sync+0x1a0/0x1a4 [ 230.209963][ T6866] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.211754][ T6866] gfs2: fsid=}: error -17 adding sysfs files [ 230.344812][ T6869] loop1: detected capacity change from 0 to 32768 [ 230.422422][ T6869] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.423546][ T6869] CPU: 0 PID: 6869 Comm: syz.1.640 Not tainted syzkaller #0 [ 230.424624][ T6869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.426027][ T6869] Call trace: [ 230.426526][ T6869] dump_backtrace+0x0/0x43c [ 230.427229][ T6869] show_stack+0x2c/0x3c [ 230.427828][ T6869] __dump_stack+0x30/0x40 [ 230.428490][ T6869] dump_stack_lvl+0xf8/0x160 [ 230.429129][ T6869] dump_stack+0x1c/0x5c [ 230.429714][ T6869] sysfs_create_dir_ns+0x22c/0x24c [ 230.430493][ T6869] kobject_add_internal+0x590/0xc54 [ 230.431278][ T6869] kobject_init_and_add+0x118/0x17c [ 230.432060][ T6869] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.432739][ T6869] gfs2_fill_super+0xdac/0x19e0 [ 230.433435][ T6869] get_tree_bdev+0x358/0x544 [ 230.434047][ T6869] gfs2_get_tree+0x54/0x1b4 [ 230.434710][ T6869] vfs_get_tree+0x90/0x274 [ 230.435350][ T6869] do_new_mount+0x228/0x810 [ 230.436003][ T6869] path_mount+0x5b4/0x1000 [ 230.436676][ T6869] __arm64_sys_mount+0x514/0x5e4 [ 230.437445][ T6869] invoke_syscall+0x98/0x2b8 [ 230.438168][ T6869] el0_svc_common+0x138/0x258 [ 230.438889][ T6869] do_el0_svc+0x58/0x14c [ 230.439520][ T6869] el0_svc+0x78/0x1e0 [ 230.440087][ T6869] el0t_64_sync_handler+0xcc/0xe4 [ 230.440775][ T6869] el0t_64_sync+0x1a0/0x1a4 [ 230.441721][ T6869] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.443559][ T6869] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:50 executed programs: 627 [ 230.601750][ T6872] loop1: detected capacity change from 0 to 32768 [ 230.651355][ T6872] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.652436][ T6872] CPU: 0 PID: 6872 Comm: syz.1.641 Not tainted syzkaller #0 [ 230.653523][ T6872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.654989][ T6872] Call trace: [ 230.655409][ T6872] dump_backtrace+0x0/0x43c [ 230.656016][ T6872] show_stack+0x2c/0x3c [ 230.656624][ T6872] __dump_stack+0x30/0x40 [ 230.657253][ T6872] dump_stack_lvl+0xf8/0x160 [ 230.657903][ T6872] dump_stack+0x1c/0x5c [ 230.658540][ T6872] sysfs_create_dir_ns+0x22c/0x24c [ 230.659319][ T6872] kobject_add_internal+0x590/0xc54 [ 230.660115][ T6872] kobject_init_and_add+0x118/0x17c [ 230.660859][ T6872] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.661630][ T6872] gfs2_fill_super+0xdac/0x19e0 [ 230.662415][ T6872] get_tree_bdev+0x358/0x544 [ 230.663115][ T6872] gfs2_get_tree+0x54/0x1b4 [ 230.663808][ T6872] vfs_get_tree+0x90/0x274 [ 230.664458][ T6872] do_new_mount+0x228/0x810 [ 230.665090][ T6872] path_mount+0x5b4/0x1000 [ 230.665728][ T6872] __arm64_sys_mount+0x514/0x5e4 [ 230.666476][ T6872] invoke_syscall+0x98/0x2b8 [ 230.667147][ T6872] el0_svc_common+0x138/0x258 [ 230.667843][ T6872] do_el0_svc+0x58/0x14c [ 230.668464][ T6872] el0_svc+0x78/0x1e0 [ 230.669053][ T6872] el0t_64_sync_handler+0xcc/0xe4 [ 230.669774][ T6872] el0t_64_sync+0x1a0/0x1a4 [ 230.671173][ T6872] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.673052][ T6872] gfs2: fsid=}: error -17 adding sysfs files [ 230.809594][ T6875] loop1: detected capacity change from 0 to 32768 [ 230.817092][ T6875] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 230.818226][ T6875] CPU: 1 PID: 6875 Comm: syz.1.642 Not tainted syzkaller #0 [ 230.819260][ T6875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 230.820654][ T6875] Call trace: [ 230.821120][ T6875] dump_backtrace+0x0/0x43c [ 230.821749][ T6875] show_stack+0x2c/0x3c [ 230.822299][ T6875] __dump_stack+0x30/0x40 [ 230.822895][ T6875] dump_stack_lvl+0xf8/0x160 [ 230.823552][ T6875] dump_stack+0x1c/0x5c [ 230.824152][ T6875] sysfs_create_dir_ns+0x22c/0x24c [ 230.824817][ T6875] kobject_add_internal+0x590/0xc54 [ 230.825549][ T6875] kobject_init_and_add+0x118/0x17c [ 230.826263][ T6875] gfs2_sys_fs_add+0x1dc/0x3d8 [ 230.827024][ T6875] gfs2_fill_super+0xdac/0x19e0 [ 230.827731][ T6875] get_tree_bdev+0x358/0x544 [ 230.828394][ T6875] gfs2_get_tree+0x54/0x1b4 [ 230.829020][ T6875] vfs_get_tree+0x90/0x274 [ 230.829653][ T6875] do_new_mount+0x228/0x810 [ 230.830293][ T6875] path_mount+0x5b4/0x1000 [ 230.830914][ T6875] __arm64_sys_mount+0x514/0x5e4 [ 230.831593][ T6875] invoke_syscall+0x98/0x2b8 [ 230.832252][ T6875] el0_svc_common+0x138/0x258 [ 230.832932][ T6875] do_el0_svc+0x58/0x14c [ 230.833578][ T6875] el0_svc+0x78/0x1e0 [ 230.834136][ T6875] el0t_64_sync_handler+0xcc/0xe4 [ 230.834847][ T6875] el0t_64_sync+0x1a0/0x1a4 [ 230.835782][ T6875] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 230.837576][ T6875] gfs2: fsid=}: error -17 adding sysfs files [ 231.001837][ T6878] loop1: detected capacity change from 0 to 32768 [ 231.053092][ T6878] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.054077][ T6878] CPU: 1 PID: 6878 Comm: syz.1.643 Not tainted syzkaller #0 [ 231.055070][ T6878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.056420][ T6878] Call trace: [ 231.056824][ T6878] dump_backtrace+0x0/0x43c [ 231.057523][ T6878] show_stack+0x2c/0x3c [ 231.058087][ T6878] __dump_stack+0x30/0x40 [ 231.058708][ T6878] dump_stack_lvl+0xf8/0x160 [ 231.059387][ T6878] dump_stack+0x1c/0x5c [ 231.059996][ T6878] sysfs_create_dir_ns+0x22c/0x24c [ 231.060676][ T6878] kobject_add_internal+0x590/0xc54 [ 231.061388][ T6878] kobject_init_and_add+0x118/0x17c [ 231.062130][ T6878] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.062800][ T6878] gfs2_fill_super+0xdac/0x19e0 [ 231.063451][ T6878] get_tree_bdev+0x358/0x544 [ 231.064116][ T6878] gfs2_get_tree+0x54/0x1b4 [ 231.064726][ T6878] vfs_get_tree+0x90/0x274 [ 231.065348][ T6878] do_new_mount+0x228/0x810 [ 231.065960][ T6878] path_mount+0x5b4/0x1000 [ 231.066527][ T6878] __arm64_sys_mount+0x514/0x5e4 [ 231.067293][ T6878] invoke_syscall+0x98/0x2b8 [ 231.067921][ T6878] el0_svc_common+0x138/0x258 [ 231.068547][ T6878] do_el0_svc+0x58/0x14c [ 231.069146][ T6878] el0_svc+0x78/0x1e0 [ 231.069708][ T6878] el0t_64_sync_handler+0xcc/0xe4 [ 231.070372][ T6878] el0t_64_sync+0x1a0/0x1a4 [ 231.072416][ T6878] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.074219][ T6878] gfs2: fsid=}: error -17 adding sysfs files [ 231.215704][ T6881] loop1: detected capacity change from 0 to 32768 [ 231.223630][ T6881] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.224868][ T6881] CPU: 0 PID: 6881 Comm: syz.1.644 Not tainted syzkaller #0 [ 231.225930][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.227448][ T6881] Call trace: [ 231.227891][ T6881] dump_backtrace+0x0/0x43c [ 231.228540][ T6881] show_stack+0x2c/0x3c [ 231.229185][ T6881] __dump_stack+0x30/0x40 [ 231.229843][ T6881] dump_stack_lvl+0xf8/0x160 [ 231.230537][ T6881] dump_stack+0x1c/0x5c [ 231.231173][ T6881] sysfs_create_dir_ns+0x22c/0x24c [ 231.231923][ T6881] kobject_add_internal+0x590/0xc54 [ 231.232658][ T6881] kobject_init_and_add+0x118/0x17c [ 231.233379][ T6881] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.234078][ T6881] gfs2_fill_super+0xdac/0x19e0 [ 231.234731][ T6881] get_tree_bdev+0x358/0x544 [ 231.235364][ T6881] gfs2_get_tree+0x54/0x1b4 [ 231.236037][ T6881] vfs_get_tree+0x90/0x274 [ 231.236680][ T6881] do_new_mount+0x228/0x810 [ 231.237302][ T6881] path_mount+0x5b4/0x1000 [ 231.237881][ T6881] __arm64_sys_mount+0x514/0x5e4 [ 231.238612][ T6881] invoke_syscall+0x98/0x2b8 [ 231.239232][ T6881] el0_svc_common+0x138/0x258 [ 231.239877][ T6881] do_el0_svc+0x58/0x14c [ 231.240524][ T6881] el0_svc+0x78/0x1e0 [ 231.241085][ T6881] el0t_64_sync_handler+0xcc/0xe4 [ 231.241761][ T6881] el0t_64_sync+0x1a0/0x1a4 [ 231.242885][ T6881] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.244880][ T6881] gfs2: fsid=}: error -17 adding sysfs files [ 231.378987][ T6884] loop1: detected capacity change from 0 to 32768 [ 231.482175][ T6884] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.483358][ T6884] CPU: 0 PID: 6884 Comm: syz.1.645 Not tainted syzkaller #0 [ 231.484482][ T6884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.485923][ T6884] Call trace: [ 231.486409][ T6884] dump_backtrace+0x0/0x43c [ 231.487098][ T6884] show_stack+0x2c/0x3c [ 231.487712][ T6884] __dump_stack+0x30/0x40 [ 231.488347][ T6884] dump_stack_lvl+0xf8/0x160 [ 231.488984][ T6884] dump_stack+0x1c/0x5c [ 231.489596][ T6884] sysfs_create_dir_ns+0x22c/0x24c [ 231.490305][ T6884] kobject_add_internal+0x590/0xc54 [ 231.491035][ T6884] kobject_init_and_add+0x118/0x17c [ 231.491788][ T6884] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.492491][ T6884] gfs2_fill_super+0xdac/0x19e0 [ 231.493174][ T6884] get_tree_bdev+0x358/0x544 [ 231.493792][ T6884] gfs2_get_tree+0x54/0x1b4 [ 231.494485][ T6884] vfs_get_tree+0x90/0x274 [ 231.495084][ T6884] do_new_mount+0x228/0x810 [ 231.495767][ T6884] path_mount+0x5b4/0x1000 [ 231.496415][ T6884] __arm64_sys_mount+0x514/0x5e4 [ 231.497105][ T6884] invoke_syscall+0x98/0x2b8 [ 231.497764][ T6884] el0_svc_common+0x138/0x258 [ 231.498425][ T6884] do_el0_svc+0x58/0x14c [ 231.499153][ T6884] el0_svc+0x78/0x1e0 [ 231.499765][ T6884] el0t_64_sync_handler+0xcc/0xe4 [ 231.500568][ T6884] el0t_64_sync+0x1a0/0x1a4 [ 231.502809][ T6884] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.504665][ T6884] gfs2: fsid=}: error -17 adding sysfs files [ 231.681270][ T6887] loop1: detected capacity change from 0 to 32768 [ 231.718497][ T6887] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.719632][ T6887] CPU: 1 PID: 6887 Comm: syz.1.646 Not tainted syzkaller #0 [ 231.720763][ T6887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.722201][ T6887] Call trace: [ 231.722683][ T6887] dump_backtrace+0x0/0x43c [ 231.723330][ T6887] show_stack+0x2c/0x3c [ 231.723911][ T6887] __dump_stack+0x30/0x40 [ 231.724493][ T6887] dump_stack_lvl+0xf8/0x160 [ 231.725156][ T6887] dump_stack+0x1c/0x5c [ 231.725734][ T6887] sysfs_create_dir_ns+0x22c/0x24c [ 231.726455][ T6887] kobject_add_internal+0x590/0xc54 [ 231.727245][ T6887] kobject_init_and_add+0x118/0x17c [ 231.728006][ T6887] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.728687][ T6887] gfs2_fill_super+0xdac/0x19e0 [ 231.729373][ T6887] get_tree_bdev+0x358/0x544 [ 231.730032][ T6887] gfs2_get_tree+0x54/0x1b4 [ 231.730620][ T6887] vfs_get_tree+0x90/0x274 [ 231.731270][ T6887] do_new_mount+0x228/0x810 [ 231.731891][ T6887] path_mount+0x5b4/0x1000 [ 231.732512][ T6887] __arm64_sys_mount+0x514/0x5e4 [ 231.733232][ T6887] invoke_syscall+0x98/0x2b8 [ 231.733826][ T6887] el0_svc_common+0x138/0x258 [ 231.734462][ T6887] do_el0_svc+0x58/0x14c [ 231.735019][ T6887] el0_svc+0x78/0x1e0 [ 231.735572][ T6887] el0t_64_sync_handler+0xcc/0xe4 [ 231.736291][ T6887] el0t_64_sync+0x1a0/0x1a4 [ 231.737195][ T6887] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.739220][ T6887] gfs2: fsid=}: error -17 adding sysfs files [ 231.756903][ T1541] Bluetooth: hci2: command 0x0419 tx timeout [ 231.875530][ T6890] loop1: detected capacity change from 0 to 32768 [ 231.950021][ T6890] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 231.951187][ T6890] CPU: 0 PID: 6890 Comm: syz.1.647 Not tainted syzkaller #0 [ 231.952200][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 231.953561][ T6890] Call trace: [ 231.954060][ T6890] dump_backtrace+0x0/0x43c [ 231.954757][ T6890] show_stack+0x2c/0x3c [ 231.955360][ T6890] __dump_stack+0x30/0x40 [ 231.955934][ T6890] dump_stack_lvl+0xf8/0x160 [ 231.956621][ T6890] dump_stack+0x1c/0x5c [ 231.957243][ T6890] sysfs_create_dir_ns+0x22c/0x24c [ 231.957971][ T6890] kobject_add_internal+0x590/0xc54 [ 231.958735][ T6890] kobject_init_and_add+0x118/0x17c [ 231.959513][ T6890] gfs2_sys_fs_add+0x1dc/0x3d8 [ 231.960218][ T6890] gfs2_fill_super+0xdac/0x19e0 [ 231.960919][ T6890] get_tree_bdev+0x358/0x544 [ 231.961592][ T6890] gfs2_get_tree+0x54/0x1b4 [ 231.962279][ T6890] vfs_get_tree+0x90/0x274 [ 231.962935][ T6890] do_new_mount+0x228/0x810 [ 231.963558][ T6890] path_mount+0x5b4/0x1000 [ 231.964183][ T6890] __arm64_sys_mount+0x514/0x5e4 [ 231.964925][ T6890] invoke_syscall+0x98/0x2b8 [ 231.965583][ T6890] el0_svc_common+0x138/0x258 [ 231.966388][ T6890] do_el0_svc+0x58/0x14c [ 231.967020][ T6890] el0_svc+0x78/0x1e0 [ 231.967637][ T6890] el0t_64_sync_handler+0xcc/0xe4 [ 231.968354][ T6890] el0t_64_sync+0x1a0/0x1a4 [ 231.970399][ T6890] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 231.972463][ T6890] gfs2: fsid=}: error -17 adding sysfs files [ 232.107861][ T6893] loop1: detected capacity change from 0 to 32768 [ 232.152604][ T6893] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.153695][ T6893] CPU: 0 PID: 6893 Comm: syz.1.648 Not tainted syzkaller #0 [ 232.154736][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.156109][ T6893] Call trace: [ 232.156548][ T6893] dump_backtrace+0x0/0x43c [ 232.157287][ T6893] show_stack+0x2c/0x3c [ 232.157886][ T6893] __dump_stack+0x30/0x40 [ 232.158550][ T6893] dump_stack_lvl+0xf8/0x160 [ 232.159190][ T6893] dump_stack+0x1c/0x5c [ 232.159768][ T6893] sysfs_create_dir_ns+0x22c/0x24c [ 232.160483][ T6893] kobject_add_internal+0x590/0xc54 [ 232.161213][ T6893] kobject_init_and_add+0x118/0x17c [ 232.162040][ T6893] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.162758][ T6893] gfs2_fill_super+0xdac/0x19e0 [ 232.163486][ T6893] get_tree_bdev+0x358/0x544 [ 232.164128][ T6893] gfs2_get_tree+0x54/0x1b4 [ 232.164761][ T6893] vfs_get_tree+0x90/0x274 [ 232.165393][ T6893] do_new_mount+0x228/0x810 [ 232.166066][ T6893] path_mount+0x5b4/0x1000 [ 232.166664][ T6893] __arm64_sys_mount+0x514/0x5e4 [ 232.167396][ T6893] invoke_syscall+0x98/0x2b8 [ 232.168067][ T6893] el0_svc_common+0x138/0x258 [ 232.168691][ T6893] do_el0_svc+0x58/0x14c [ 232.169257][ T6893] el0_svc+0x78/0x1e0 [ 232.169811][ T6893] el0t_64_sync_handler+0xcc/0xe4 [ 232.170530][ T6893] el0t_64_sync+0x1a0/0x1a4 [ 232.173062][ T6893] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.174814][ T6893] gfs2: fsid=}: error -17 adding sysfs files [ 232.312587][ T6896] loop1: detected capacity change from 0 to 32768 [ 232.320879][ T6896] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.322037][ T6896] CPU: 0 PID: 6896 Comm: syz.1.649 Not tainted syzkaller #0 [ 232.323214][ T6896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.324713][ T6896] Call trace: [ 232.325191][ T6896] dump_backtrace+0x0/0x43c [ 232.325848][ T6896] show_stack+0x2c/0x3c [ 232.326449][ T6896] __dump_stack+0x30/0x40 [ 232.327111][ T6896] dump_stack_lvl+0xf8/0x160 [ 232.327822][ T6896] dump_stack+0x1c/0x5c [ 232.328446][ T6896] sysfs_create_dir_ns+0x22c/0x24c [ 232.329254][ T6896] kobject_add_internal+0x590/0xc54 [ 232.329993][ T6896] kobject_init_and_add+0x118/0x17c [ 232.330776][ T6896] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.331463][ T6896] gfs2_fill_super+0xdac/0x19e0 [ 232.332185][ T6896] get_tree_bdev+0x358/0x544 [ 232.332880][ T6896] gfs2_get_tree+0x54/0x1b4 [ 232.333528][ T6896] vfs_get_tree+0x90/0x274 [ 232.334184][ T6896] do_new_mount+0x228/0x810 [ 232.334819][ T6896] path_mount+0x5b4/0x1000 [ 232.335407][ T6896] __arm64_sys_mount+0x514/0x5e4 [ 232.336052][ T6896] invoke_syscall+0x98/0x2b8 [ 232.336721][ T6896] el0_svc_common+0x138/0x258 [ 232.337325][ T6896] do_el0_svc+0x58/0x14c [ 232.337915][ T6896] el0_svc+0x78/0x1e0 [ 232.338448][ T6896] el0t_64_sync_handler+0xcc/0xe4 [ 232.339198][ T6896] el0t_64_sync+0x1a0/0x1a4 [ 232.340092][ T6896] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.341979][ T6896] gfs2: fsid=}: error -17 adding sysfs files [ 232.480717][ T6899] loop1: detected capacity change from 0 to 32768 [ 232.533211][ T6899] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.534352][ T6899] CPU: 1 PID: 6899 Comm: syz.1.650 Not tainted syzkaller #0 [ 232.535440][ T6899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.536842][ T6899] Call trace: [ 232.537325][ T6899] dump_backtrace+0x0/0x43c [ 232.537989][ T6899] show_stack+0x2c/0x3c [ 232.538579][ T6899] __dump_stack+0x30/0x40 [ 232.539216][ T6899] dump_stack_lvl+0xf8/0x160 [ 232.539844][ T6899] dump_stack+0x1c/0x5c [ 232.540413][ T6899] sysfs_create_dir_ns+0x22c/0x24c [ 232.541213][ T6899] kobject_add_internal+0x590/0xc54 [ 232.541975][ T6899] kobject_init_and_add+0x118/0x17c [ 232.542708][ T6899] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.543418][ T6899] gfs2_fill_super+0xdac/0x19e0 [ 232.544092][ T6899] get_tree_bdev+0x358/0x544 [ 232.544725][ T6899] gfs2_get_tree+0x54/0x1b4 [ 232.545385][ T6899] vfs_get_tree+0x90/0x274 [ 232.545984][ T6899] do_new_mount+0x228/0x810 [ 232.546596][ T6899] path_mount+0x5b4/0x1000 [ 232.547190][ T6899] __arm64_sys_mount+0x514/0x5e4 [ 232.547885][ T6899] invoke_syscall+0x98/0x2b8 [ 232.548531][ T6899] el0_svc_common+0x138/0x258 [ 232.549188][ T6899] do_el0_svc+0x58/0x14c [ 232.549776][ T6899] el0_svc+0x78/0x1e0 [ 232.550303][ T6899] el0t_64_sync_handler+0xcc/0xe4 [ 232.551017][ T6899] el0t_64_sync+0x1a0/0x1a4 [ 232.553092][ T6899] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.554933][ T6899] gfs2: fsid=}: error -17 adding sysfs files [ 232.691964][ T6902] loop1: detected capacity change from 0 to 32768 [ 232.782985][ T6902] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.784045][ T6902] CPU: 1 PID: 6902 Comm: syz.1.651 Not tainted syzkaller #0 [ 232.785079][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.786536][ T6902] Call trace: [ 232.786971][ T6902] dump_backtrace+0x0/0x43c [ 232.787587][ T6902] show_stack+0x2c/0x3c [ 232.788180][ T6902] __dump_stack+0x30/0x40 [ 232.788819][ T6902] dump_stack_lvl+0xf8/0x160 [ 232.789481][ T6902] dump_stack+0x1c/0x5c [ 232.790071][ T6902] sysfs_create_dir_ns+0x22c/0x24c [ 232.790862][ T6902] kobject_add_internal+0x590/0xc54 [ 232.791627][ T6902] kobject_init_and_add+0x118/0x17c [ 232.792314][ T6902] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.793000][ T6902] gfs2_fill_super+0xdac/0x19e0 [ 232.793682][ T6902] get_tree_bdev+0x358/0x544 [ 232.794338][ T6902] gfs2_get_tree+0x54/0x1b4 [ 232.795015][ T6902] vfs_get_tree+0x90/0x274 [ 232.795641][ T6902] do_new_mount+0x228/0x810 [ 232.796284][ T6902] path_mount+0x5b4/0x1000 [ 232.796890][ T6902] __arm64_sys_mount+0x514/0x5e4 [ 232.797569][ T6902] invoke_syscall+0x98/0x2b8 [ 232.798219][ T6902] el0_svc_common+0x138/0x258 [ 232.798844][ T6902] do_el0_svc+0x58/0x14c [ 232.799400][ T6902] el0_svc+0x78/0x1e0 [ 232.799959][ T6902] el0t_64_sync_handler+0xcc/0xe4 [ 232.800651][ T6902] el0t_64_sync+0x1a0/0x1a4 [ 232.803017][ T6902] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.804891][ T6902] gfs2: fsid=}: error -17 adding sysfs files [ 232.941671][ T6905] loop1: detected capacity change from 0 to 32768 [ 232.949875][ T6905] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 232.950954][ T6905] CPU: 0 PID: 6905 Comm: syz.1.652 Not tainted syzkaller #0 [ 232.952066][ T6905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 232.953699][ T6905] Call trace: [ 232.954250][ T6905] dump_backtrace+0x0/0x43c [ 232.954972][ T6905] show_stack+0x2c/0x3c [ 232.955606][ T6905] __dump_stack+0x30/0x40 [ 232.956231][ T6905] dump_stack_lvl+0xf8/0x160 [ 232.956933][ T6905] dump_stack+0x1c/0x5c [ 232.957552][ T6905] sysfs_create_dir_ns+0x22c/0x24c [ 232.958276][ T6905] kobject_add_internal+0x590/0xc54 [ 232.959057][ T6905] kobject_init_and_add+0x118/0x17c [ 232.959833][ T6905] gfs2_sys_fs_add+0x1dc/0x3d8 [ 232.960544][ T6905] gfs2_fill_super+0xdac/0x19e0 [ 232.961270][ T6905] get_tree_bdev+0x358/0x544 [ 232.961947][ T6905] gfs2_get_tree+0x54/0x1b4 [ 232.962622][ T6905] vfs_get_tree+0x90/0x274 [ 232.963255][ T6905] do_new_mount+0x228/0x810 [ 232.963893][ T6905] path_mount+0x5b4/0x1000 [ 232.964556][ T6905] __arm64_sys_mount+0x514/0x5e4 [ 232.965307][ T6905] invoke_syscall+0x98/0x2b8 [ 232.965963][ T6905] el0_svc_common+0x138/0x258 [ 232.966637][ T6905] do_el0_svc+0x58/0x14c [ 232.967244][ T6905] el0_svc+0x78/0x1e0 [ 232.967818][ T6905] el0t_64_sync_handler+0xcc/0xe4 [ 232.968511][ T6905] el0t_64_sync+0x1a0/0x1a4 [ 232.969545][ T6905] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 232.971457][ T6905] gfs2: fsid=}: error -17 adding sysfs files [ 233.114215][ T6908] loop1: detected capacity change from 0 to 32768 [ 233.188946][ T6908] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.190111][ T6908] CPU: 1 PID: 6908 Comm: syz.1.653 Not tainted syzkaller #0 [ 233.191235][ T6908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.192700][ T6908] Call trace: [ 233.193201][ T6908] dump_backtrace+0x0/0x43c [ 233.193882][ T6908] show_stack+0x2c/0x3c [ 233.194421][ T6908] __dump_stack+0x30/0x40 [ 233.195050][ T6908] dump_stack_lvl+0xf8/0x160 [ 233.195682][ T6908] dump_stack+0x1c/0x5c [ 233.196260][ T6908] sysfs_create_dir_ns+0x22c/0x24c [ 233.197020][ T6908] kobject_add_internal+0x590/0xc54 [ 233.197816][ T6908] kobject_init_and_add+0x118/0x17c [ 233.198551][ T6908] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.199246][ T6908] gfs2_fill_super+0xdac/0x19e0 [ 233.199941][ T6908] get_tree_bdev+0x358/0x544 [ 233.200567][ T6908] gfs2_get_tree+0x54/0x1b4 [ 233.201231][ T6908] vfs_get_tree+0x90/0x274 [ 233.201876][ T6908] do_new_mount+0x228/0x810 [ 233.202541][ T6908] path_mount+0x5b4/0x1000 [ 233.203156][ T6908] __arm64_sys_mount+0x514/0x5e4 [ 233.203842][ T6908] invoke_syscall+0x98/0x2b8 [ 233.204487][ T6908] el0_svc_common+0x138/0x258 [ 233.205115][ T6908] do_el0_svc+0x58/0x14c [ 233.205747][ T6908] el0_svc+0x78/0x1e0 [ 233.206301][ T6908] el0t_64_sync_handler+0xcc/0xe4 [ 233.207073][ T6908] el0t_64_sync+0x1a0/0x1a4 [ 233.209943][ T6908] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.211809][ T6908] gfs2: fsid=}: error -17 adding sysfs files [ 233.455826][ T6911] loop1: detected capacity change from 0 to 32768 [ 233.514352][ T6911] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.515396][ T6911] CPU: 0 PID: 6911 Comm: syz.1.654 Not tainted syzkaller #0 [ 233.516449][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.517911][ T6911] Call trace: [ 233.518408][ T6911] dump_backtrace+0x0/0x43c [ 233.519098][ T6911] show_stack+0x2c/0x3c [ 233.519674][ T6911] __dump_stack+0x30/0x40 [ 233.520273][ T6911] dump_stack_lvl+0xf8/0x160 [ 233.520885][ T6911] dump_stack+0x1c/0x5c [ 233.521550][ T6911] sysfs_create_dir_ns+0x22c/0x24c [ 233.522335][ T6911] kobject_add_internal+0x590/0xc54 [ 233.523064][ T6911] kobject_init_and_add+0x118/0x17c [ 233.523815][ T6911] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.524541][ T6911] gfs2_fill_super+0xdac/0x19e0 [ 233.525201][ T6911] get_tree_bdev+0x358/0x544 [ 233.525854][ T6911] gfs2_get_tree+0x54/0x1b4 [ 233.526458][ T6911] vfs_get_tree+0x90/0x274 [ 233.527081][ T6911] do_new_mount+0x228/0x810 [ 233.527708][ T6911] path_mount+0x5b4/0x1000 [ 233.528406][ T6911] __arm64_sys_mount+0x514/0x5e4 [ 233.529079][ T6911] invoke_syscall+0x98/0x2b8 [ 233.529760][ T6911] el0_svc_common+0x138/0x258 [ 233.530411][ T6911] do_el0_svc+0x58/0x14c [ 233.531044][ T6911] el0_svc+0x78/0x1e0 [ 233.531632][ T6911] el0t_64_sync_handler+0xcc/0xe4 [ 233.532330][ T6911] el0t_64_sync+0x1a0/0x1a4 [ 233.534396][ T6911] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.536365][ T6911] gfs2: fsid=}: error -17 adding sysfs files [ 233.677335][ T6914] loop1: detected capacity change from 0 to 32768 [ 233.688185][ T6914] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.689169][ T6914] CPU: 1 PID: 6914 Comm: syz.1.655 Not tainted syzkaller #0 [ 233.690187][ T6914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.691510][ T6914] Call trace: [ 233.691991][ T6914] dump_backtrace+0x0/0x43c [ 233.692666][ T6914] show_stack+0x2c/0x3c [ 233.693260][ T6914] __dump_stack+0x30/0x40 [ 233.693848][ T6914] dump_stack_lvl+0xf8/0x160 [ 233.694466][ T6914] dump_stack+0x1c/0x5c [ 233.695016][ T6914] sysfs_create_dir_ns+0x22c/0x24c [ 233.695759][ T6914] kobject_add_internal+0x590/0xc54 [ 233.696543][ T6914] kobject_init_and_add+0x118/0x17c [ 233.697277][ T6914] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.697964][ T6914] gfs2_fill_super+0xdac/0x19e0 [ 233.698664][ T6914] get_tree_bdev+0x358/0x544 [ 233.699280][ T6914] gfs2_get_tree+0x54/0x1b4 [ 233.699928][ T6914] vfs_get_tree+0x90/0x274 [ 233.700552][ T6914] do_new_mount+0x228/0x810 [ 233.701206][ T6914] path_mount+0x5b4/0x1000 [ 233.701874][ T6914] __arm64_sys_mount+0x514/0x5e4 [ 233.702548][ T6914] invoke_syscall+0x98/0x2b8 [ 233.703190][ T6914] el0_svc_common+0x138/0x258 [ 233.703853][ T6914] do_el0_svc+0x58/0x14c [ 233.704423][ T6914] el0_svc+0x78/0x1e0 [ 233.705050][ T6914] el0t_64_sync_handler+0xcc/0xe4 [ 233.705735][ T6914] el0t_64_sync+0x1a0/0x1a4 [ 233.706520][ T6914] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.708450][ T6914] gfs2: fsid=}: error -17 adding sysfs files [ 233.843301][ T6917] loop1: detected capacity change from 0 to 32768 [ 233.878250][ T6917] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 233.879336][ T6917] CPU: 1 PID: 6917 Comm: syz.1.656 Not tainted syzkaller #0 [ 233.880353][ T6917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 233.881752][ T6917] Call trace: [ 233.882152][ T6917] dump_backtrace+0x0/0x43c [ 233.882760][ T6917] show_stack+0x2c/0x3c [ 233.883365][ T6917] __dump_stack+0x30/0x40 [ 233.883965][ T6917] dump_stack_lvl+0xf8/0x160 [ 233.884605][ T6917] dump_stack+0x1c/0x5c [ 233.885193][ T6917] sysfs_create_dir_ns+0x22c/0x24c [ 233.885915][ T6917] kobject_add_internal+0x590/0xc54 [ 233.886645][ T6917] kobject_init_and_add+0x118/0x17c [ 233.887387][ T6917] gfs2_sys_fs_add+0x1dc/0x3d8 [ 233.888061][ T6917] gfs2_fill_super+0xdac/0x19e0 [ 233.888725][ T6917] get_tree_bdev+0x358/0x544 [ 233.889369][ T6917] gfs2_get_tree+0x54/0x1b4 [ 233.890016][ T6917] vfs_get_tree+0x90/0x274 [ 233.890621][ T6917] do_new_mount+0x228/0x810 [ 233.891210][ T6917] path_mount+0x5b4/0x1000 [ 233.891840][ T6917] __arm64_sys_mount+0x514/0x5e4 [ 233.892541][ T6917] invoke_syscall+0x98/0x2b8 [ 233.893201][ T6917] el0_svc_common+0x138/0x258 [ 233.893875][ T6917] do_el0_svc+0x58/0x14c [ 233.894469][ T6917] el0_svc+0x78/0x1e0 [ 233.895037][ T6917] el0t_64_sync_handler+0xcc/0xe4 [ 233.895739][ T6917] el0t_64_sync+0x1a0/0x1a4 [ 233.897148][ T6917] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 233.898865][ T6917] gfs2: fsid=}: error -17 adding sysfs files [ 234.087090][ T27] INFO: task syz-executor:4732 blocked for more than 143 seconds. [ 234.088357][ T27] Not tainted syzkaller #0 [ 234.089054][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.090181][ T27] task:syz-executor state:D stack: 0 pid: 4732 ppid: 1 flags:0x00000001 [ 234.091462][ T27] Call trace: [ 234.091904][ T27] __switch_to+0x2f4/0x558 [ 234.092522][ T27] __schedule+0xe08/0x1bf8 [ 234.093154][ T27] schedule+0x11c/0x1c8 [ 234.093628][ T6920] loop1: detected capacity change from 0 to 32768 [ 234.093945][ T27] bit_wait+0x1c/0xac [ 234.095292][ T27] out_of_line_wait_on_bit+0x15c/0x200 [ 234.096039][ T27] gfs2_glock_nq+0x8f8/0x141c [ 234.096658][ T27] __gfs2_lookup+0x110/0x268 [ 234.100317][ T27] gfs2_lookup+0x2c/0x3c [ 234.100979][ T27] __lookup_slow+0x24c/0x380 [ 234.101743][ T27] lookup_slow+0x5c/0x80 [ 234.102397][ T27] walk_component+0x2b0/0x3a8 [ 234.103114][ T27] path_lookupat+0x13c/0x3d0 [ 234.103798][ T27] filename_lookup+0x180/0x414 [ 234.104506][ T27] user_path_at_empty+0x5c/0x1a0 [ 234.105207][ T27] __arm64_sys_umount+0xf4/0x178 [ 234.105917][ T27] invoke_syscall+0x98/0x2b8 [ 234.106591][ T27] el0_svc_common+0x138/0x258 [ 234.107374][ T27] do_el0_svc+0x58/0x14c [ 234.107986][ T27] el0_svc+0x78/0x1e0 [ 234.108572][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 234.109324][ T27] el0t_64_sync+0x1a0/0x1a4 [ 234.110027][ T27] [ 234.110027][ T27] Showing all locks held in the system: [ 234.111133][ T27] 1 lock held by khungtaskd/27: [ 234.111779][ T27] #0: ffff800014361520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 234.113191][ T27] 2 locks held by getty/3805: [ 234.113858][ T27] #0: ffff0000d3aed098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 234.115229][ T27] #1: ffff80001bd8b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2f0/0xf6c [ 234.116638][ T27] 1 lock held by syz-executor/4732: [ 234.117456][ T27] #0: ffff0000e27e52b0 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x4c/0x80 [ 234.118941][ T27] 1 lock held by udevd/5056: [ 234.119555][ T27] #0: ffff0000cc1a1918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x120/0x874 [ 234.120980][ T27] 2 locks held by syz.1.657/6920: [ 234.121653][ T27] #0: ffff0000cc1a1918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6ac [ 234.123039][ T27] #1: ffff0000cc222468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x50/0x204 [ 234.124322][ T27] [ 234.124683][ T27] ============================================= [ 234.124683][ T27] [ 234.125878][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 234.126787][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 234.127856][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 234.129314][ T27] Call trace: [ 234.129786][ T27] dump_backtrace+0x0/0x43c [ 234.130405][ T27] show_stack+0x2c/0x3c [ 234.131000][ T27] __dump_stack+0x30/0x40 [ 234.131638][ T27] dump_stack_lvl+0xf8/0x160 [ 234.132289][ T27] dump_stack+0x1c/0x5c [ 234.132893][ T27] panic+0x2e4/0x854 [ 234.133482][ T27] hung_task_panic+0x0/0x2c [ 234.134137][ T27] kthread+0x374/0x454 [ 234.134720][ T27] ret_from_fork+0x10/0x20 [ 234.135381][ T27] SMP: stopping secondary CPUs [ 234.136069][ T27] Kernel Offset: disabled [ 234.136700][ T27] CPU features: 0x8,000003c1,7d33ffd9 [ 234.137433][ T27] Memory Limit: none [ 234.503240][ T27] Rebooting in 86400 seconds..