099451][ T6336] do_el0_svc+0x5c/0x140 [ 199.100071][ T6336] el0_svc+0x78/0x1d0 [ 199.100667][ T6336] el0t_64_sync_handler+0xcc/0xe4 [ 199.101360][ T6336] el0t_64_sync+0x1a0/0x1a4 [ 199.102058][ T6336] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 199.104686][ T6336] gfs2: fsid=}: error -17 adding sysfs files [ 199.233453][ T6339] loop1: detected capacity change from 0 to 32768 [ 199.269491][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 199.270598][ T6339] CPU: 0 PID: 6339 Comm: syz.1.557 Not tainted syzkaller #0 [ 199.271493][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.272762][ T6339] Call trace: [ 199.273209][ T6339] dump_backtrace+0x0/0x458 [ 199.273797][ T6339] show_stack+0x2c/0x3c [ 199.274380][ T6339] __dump_stack+0x30/0x40 [ 199.274968][ T6339] dump_stack_lvl+0xf4/0x15c [ 199.275531][ T6339] dump_stack+0x1c/0x5c [ 199.276071][ T6339] sysfs_create_dir_ns+0x244/0x264 [ 199.276679][ T6339] kobject_add_internal+0x594/0xc2c [ 199.277345][ T6339] kobject_init_and_add+0x128/0x194 [ 199.278072][ T6339] gfs2_sys_fs_add+0x208/0x428 [ 199.278706][ T6339] gfs2_fill_super+0xe20/0x1a9c [ 199.279349][ T6339] get_tree_bdev+0x35c/0x54c [ 199.279975][ T6339] gfs2_get_tree+0x58/0x1b8 [ 199.280640][ T6339] vfs_get_tree+0x90/0x278 [ 199.281268][ T6339] do_new_mount+0x228/0x804 [ 199.281849][ T6339] path_mount+0x57c/0xfe8 [ 199.282401][ T6339] __arm64_sys_mount+0x488/0x5f8 [ 199.283085][ T6339] invoke_syscall+0x98/0x28c [ 199.283684][ T6339] el0_svc_common+0x13c/0x258 [ 199.284305][ T6339] do_el0_svc+0x5c/0x140 [ 199.284892][ T6339] el0_svc+0x78/0x1d0 [ 199.285406][ T6339] el0t_64_sync_handler+0xcc/0xe4 [ 199.286087][ T6339] el0t_64_sync+0x1a0/0x1a4 [ 199.287241][ T6339] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 199.289087][ T6339] gfs2: fsid=}: error -17 adding sysfs files [ 199.419770][ T6343] loop1: detected capacity change from 0 to 32768 [ 199.427254][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 199.429009][ T6343] CPU: 1 PID: 6343 Comm: syz.1.558 Not tainted syzkaller #0 [ 199.429996][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.431220][ T6343] Call trace: [ 199.431699][ T6343] dump_backtrace+0x0/0x458 [ 199.432251][ T6343] show_stack+0x2c/0x3c [ 199.432805][ T6343] __dump_stack+0x30/0x40 [ 199.433380][ T6343] dump_stack_lvl+0xf4/0x15c [ 199.433997][ T6343] dump_stack+0x1c/0x5c [ 199.434499][ T6343] sysfs_create_dir_ns+0x244/0x264 [ 199.435147][ T6343] kobject_add_internal+0x594/0xc2c [ 199.435836][ T6343] kobject_init_and_add+0x128/0x194 [ 199.436498][ T6343] gfs2_sys_fs_add+0x208/0x428 [ 199.437034][ T6343] gfs2_fill_super+0xe20/0x1a9c [ 199.437680][ T6343] get_tree_bdev+0x35c/0x54c [ 199.438383][ T6343] gfs2_get_tree+0x58/0x1b8 [ 199.438988][ T6343] vfs_get_tree+0x90/0x278 [ 199.439557][ T6343] do_new_mount+0x228/0x804 [ 199.440194][ T6343] path_mount+0x57c/0xfe8 [ 199.440839][ T6343] __arm64_sys_mount+0x488/0x5f8 [ 199.441557][ T6343] invoke_syscall+0x98/0x28c [ 199.442198][ T6343] el0_svc_common+0x13c/0x258 [ 199.442844][ T6343] do_el0_svc+0x5c/0x140 [ 199.443410][ T6343] el0_svc+0x78/0x1d0 [ 199.443998][ T6343] el0t_64_sync_handler+0xcc/0xe4 [ 199.444611][ T6343] el0t_64_sync+0x1a0/0x1a4 [ 199.446620][ T6343] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 199.448545][ T6343] gfs2: fsid=}: error -17 adding sysfs files [ 199.580456][ T6346] loop1: detected capacity change from 0 to 32768 [ 199.619475][ T6346] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 199.620469][ T6346] CPU: 1 PID: 6346 Comm: syz.1.559 Not tainted syzkaller #0 [ 199.621364][ T6346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.622809][ T6346] Call trace: [ 199.623202][ T6346] dump_backtrace+0x0/0x458 [ 199.623782][ T6346] show_stack+0x2c/0x3c [ 199.624315][ T6346] __dump_stack+0x30/0x40 [ 199.624894][ T6346] dump_stack_lvl+0xf4/0x15c [ 199.625499][ T6346] dump_stack+0x1c/0x5c [ 199.625995][ T6346] sysfs_create_dir_ns+0x244/0x264 [ 199.626693][ T6346] kobject_add_internal+0x594/0xc2c [ 199.627375][ T6346] kobject_init_and_add+0x128/0x194 [ 199.628043][ T6346] gfs2_sys_fs_add+0x208/0x428 [ 199.628739][ T6346] gfs2_fill_super+0xe20/0x1a9c [ 199.629395][ T6346] get_tree_bdev+0x35c/0x54c [ 199.629961][ T6346] gfs2_get_tree+0x58/0x1b8 [ 199.630564][ T6346] vfs_get_tree+0x90/0x278 [ 199.631152][ T6346] do_new_mount+0x228/0x804 [ 199.631766][ T6346] path_mount+0x57c/0xfe8 [ 199.632321][ T6346] __arm64_sys_mount+0x488/0x5f8 [ 199.632995][ T6346] invoke_syscall+0x98/0x28c [ 199.633610][ T6346] el0_svc_common+0x13c/0x258 [ 199.634333][ T6346] do_el0_svc+0x5c/0x140 [ 199.634947][ T6346] el0_svc+0x78/0x1d0 [ 199.635482][ T6346] el0t_64_sync_handler+0xcc/0xe4 [ 199.636145][ T6346] el0t_64_sync+0x1a0/0x1a4 [ 199.638053][ T6346] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 199.640075][ T6346] gfs2: fsid=}: error -17 adding sysfs files [ 199.810091][ T6350] loop1: detected capacity change from 0 to 32768 [ 199.850474][ T6350] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 199.851515][ T6350] CPU: 1 PID: 6350 Comm: syz.1.560 Not tainted syzkaller #0 [ 199.852476][ T6350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 199.853820][ T6350] Call trace: [ 199.854312][ T6350] dump_backtrace+0x0/0x458 [ 199.854969][ T6350] show_stack+0x2c/0x3c [ 199.855546][ T6350] __dump_stack+0x30/0x40 [ 199.856162][ T6350] dump_stack_lvl+0xf4/0x15c [ 199.856820][ T6350] dump_stack+0x1c/0x5c [ 199.857387][ T6350] sysfs_create_dir_ns+0x244/0x264 [ 199.858078][ T6350] kobject_add_internal+0x594/0xc2c [ 199.858699][ T6350] kobject_init_and_add+0x128/0x194 [ 199.859453][ T6350] gfs2_sys_fs_add+0x208/0x428 [ 199.860115][ T6350] gfs2_fill_super+0xe20/0x1a9c [ 199.860726][ T6350] get_tree_bdev+0x35c/0x54c [ 199.861457][ T6350] gfs2_get_tree+0x58/0x1b8 [ 199.862122][ T6350] vfs_get_tree+0x90/0x278 [ 199.862682][ T6350] do_new_mount+0x228/0x804 [ 199.863292][ T6350] path_mount+0x57c/0xfe8 [ 199.863848][ T6350] __arm64_sys_mount+0x488/0x5f8 [ 199.864553][ T6350] invoke_syscall+0x98/0x28c [ 199.865265][ T6350] el0_svc_common+0x13c/0x258 [ 199.865982][ T6350] do_el0_svc+0x5c/0x140 [ 199.866532][ T6350] el0_svc+0x78/0x1d0 [ 199.867115][ T6350] el0t_64_sync_handler+0xcc/0xe4 [ 199.867868][ T6350] el0t_64_sync+0x1a0/0x1a4 [ 199.873605][ T6350] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 199.875374][ T6350] gfs2: fsid=}: error -17 adding sysfs files [ 200.072172][ T6353] loop1: detected capacity change from 0 to 32768 [ 200.109583][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 200.110623][ T6353] CPU: 1 PID: 6353 Comm: syz.1.561 Not tainted syzkaller #0 [ 200.111607][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.113016][ T6353] Call trace: [ 200.113463][ T6353] dump_backtrace+0x0/0x458 [ 200.114082][ T6353] show_stack+0x2c/0x3c [ 200.114654][ T6353] __dump_stack+0x30/0x40 [ 200.115200][ T6353] dump_stack_lvl+0xf4/0x15c [ 200.115831][ T6353] dump_stack+0x1c/0x5c [ 200.116405][ T6353] sysfs_create_dir_ns+0x244/0x264 [ 200.117101][ T6353] kobject_add_internal+0x594/0xc2c [ 200.117797][ T6353] kobject_init_and_add+0x128/0x194 [ 200.118475][ T6353] gfs2_sys_fs_add+0x208/0x428 [ 200.119205][ T6353] gfs2_fill_super+0xe20/0x1a9c [ 200.119892][ T6353] get_tree_bdev+0x35c/0x54c [ 200.120522][ T6353] gfs2_get_tree+0x58/0x1b8 [ 200.121182][ T6353] vfs_get_tree+0x90/0x278 [ 200.121793][ T6353] do_new_mount+0x228/0x804 [ 200.122406][ T6353] path_mount+0x57c/0xfe8 [ 200.123027][ T6353] __arm64_sys_mount+0x488/0x5f8 [ 200.123689][ T6353] invoke_syscall+0x98/0x28c [ 200.124436][ T6353] el0_svc_common+0x13c/0x258 [ 200.125252][ T6353] do_el0_svc+0x5c/0x140 [ 200.125840][ T6353] el0_svc+0x78/0x1d0 [ 200.126400][ T6353] el0t_64_sync_handler+0xcc/0xe4 [ 200.127149][ T6353] el0t_64_sync+0x1a0/0x1a4 [ 200.128751][ T6353] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 200.130471][ T6353] gfs2: fsid=}: error -17 adding sysfs files [ 200.303352][ T6357] loop1: detected capacity change from 0 to 32768 [ 200.348043][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 200.349108][ T6357] CPU: 0 PID: 6357 Comm: syz.1.562 Not tainted syzkaller #0 [ 200.350191][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.351706][ T6357] Call trace: [ 200.352152][ T6357] dump_backtrace+0x0/0x458 [ 200.352762][ T6357] show_stack+0x2c/0x3c [ 200.353326][ T6357] __dump_stack+0x30/0x40 [ 200.353908][ T6357] dump_stack_lvl+0xf4/0x15c [ 200.354537][ T6357] dump_stack+0x1c/0x5c [ 200.355132][ T6357] sysfs_create_dir_ns+0x244/0x264 [ 200.355857][ T6357] kobject_add_internal+0x594/0xc2c [ 200.356581][ T6357] kobject_init_and_add+0x128/0x194 [ 200.357217][ T6357] gfs2_sys_fs_add+0x208/0x428 [ 200.357856][ T6357] gfs2_fill_super+0xe20/0x1a9c [ 200.358524][ T6357] get_tree_bdev+0x35c/0x54c [ 200.359178][ T6357] gfs2_get_tree+0x58/0x1b8 [ 200.359790][ T6357] vfs_get_tree+0x90/0x278 [ 200.360404][ T6357] do_new_mount+0x228/0x804 [ 200.361052][ T6357] path_mount+0x57c/0xfe8 [ 200.361672][ T6357] __arm64_sys_mount+0x488/0x5f8 [ 200.362347][ T6357] invoke_syscall+0x98/0x28c [ 200.363107][ T6357] el0_svc_common+0x13c/0x258 [ 200.363791][ T6357] do_el0_svc+0x5c/0x140 [ 200.364337][ T6357] el0_svc+0x78/0x1d0 [ 200.364859][ T6357] el0t_64_sync_handler+0xcc/0xe4 [ 200.365546][ T6357] el0t_64_sync+0x1a0/0x1a4 [ 200.366259][ T6357] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 200.368001][ T6357] gfs2: fsid=}: error -17 adding sysfs files [ 200.499091][ T6360] loop1: detected capacity change from 0 to 32768 [ 200.554591][ T6360] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 200.555719][ T6360] CPU: 0 PID: 6360 Comm: syz.1.563 Not tainted syzkaller #0 [ 200.556715][ T6360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.558118][ T6360] Call trace: [ 200.558585][ T6360] dump_backtrace+0x0/0x458 [ 200.559216][ T6360] show_stack+0x2c/0x3c [ 200.559834][ T6360] __dump_stack+0x30/0x40 [ 200.560517][ T6360] dump_stack_lvl+0xf4/0x15c [ 200.561141][ T6360] dump_stack+0x1c/0x5c [ 200.561687][ T6360] sysfs_create_dir_ns+0x244/0x264 [ 200.562397][ T6360] kobject_add_internal+0x594/0xc2c [ 200.563158][ T6360] kobject_init_and_add+0x128/0x194 [ 200.563863][ T6360] gfs2_sys_fs_add+0x208/0x428 [ 200.564574][ T6360] gfs2_fill_super+0xe20/0x1a9c [ 200.565249][ T6360] get_tree_bdev+0x35c/0x54c [ 200.565881][ T6360] gfs2_get_tree+0x58/0x1b8 [ 200.566467][ T6360] vfs_get_tree+0x90/0x278 [ 200.567093][ T6360] do_new_mount+0x228/0x804 [ 200.567769][ T6360] path_mount+0x57c/0xfe8 [ 200.568409][ T6360] __arm64_sys_mount+0x488/0x5f8 [ 200.569092][ T6360] invoke_syscall+0x98/0x28c [ 200.569801][ T6360] el0_svc_common+0x13c/0x258 [ 200.570497][ T6360] do_el0_svc+0x5c/0x140 [ 200.571124][ T6360] el0_svc+0x78/0x1d0 [ 200.571714][ T6360] el0t_64_sync_handler+0xcc/0xe4 [ 200.572438][ T6360] el0t_64_sync+0x1a0/0x1a4 [ 200.574470][ T6360] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 200.576222][ T6360] gfs2: fsid=}: error -17 adding sysfs files [ 200.711148][ T6363] loop1: detected capacity change from 0 to 32768 [ 200.718080][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 200.719986][ T6363] CPU: 1 PID: 6363 Comm: syz.1.564 Not tainted syzkaller #0 [ 200.721079][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.722380][ T6363] Call trace: [ 200.722809][ T6363] dump_backtrace+0x0/0x458 [ 200.723426][ T6363] show_stack+0x2c/0x3c [ 200.723957][ T6363] __dump_stack+0x30/0x40 [ 200.724531][ T6363] dump_stack_lvl+0xf4/0x15c [ 200.725141][ T6363] dump_stack+0x1c/0x5c [ 200.725718][ T6363] sysfs_create_dir_ns+0x244/0x264 [ 200.726405][ T6363] kobject_add_internal+0x594/0xc2c [ 200.727000][ T6363] kobject_init_and_add+0x128/0x194 [ 200.727761][ T6363] gfs2_sys_fs_add+0x208/0x428 [ 200.728346][ T6363] gfs2_fill_super+0xe20/0x1a9c [ 200.728977][ T6363] get_tree_bdev+0x35c/0x54c [ 200.729659][ T6363] gfs2_get_tree+0x58/0x1b8 [ 200.730277][ T6363] vfs_get_tree+0x90/0x278 [ 200.730907][ T6363] do_new_mount+0x228/0x804 [ 200.731519][ T6363] path_mount+0x57c/0xfe8 [ 200.732108][ T6363] __arm64_sys_mount+0x488/0x5f8 [ 200.732703][ T6363] invoke_syscall+0x98/0x28c [ 200.733327][ T6363] el0_svc_common+0x13c/0x258 [ 200.733979][ T6363] do_el0_svc+0x5c/0x140 [ 200.734549][ T6363] el0_svc+0x78/0x1d0 [ 200.735099][ T6363] el0t_64_sync_handler+0xcc/0xe4 [ 200.735857][ T6363] el0t_64_sync+0x1a0/0x1a4 [ 200.738002][ T6363] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 200.741151][ T6363] gfs2: fsid=}: error -17 adding sysfs files [ 200.881038][ T6367] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 200.882067][ T6367] CPU: 1 PID: 6367 Comm: syz.1.565 Not tainted syzkaller #0 [ 200.883067][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 200.884491][ T6367] Call trace: [ 200.884922][ T6367] dump_backtrace+0x0/0x458 [ 200.885542][ T6367] show_stack+0x2c/0x3c [ 200.886108][ T6367] __dump_stack+0x30/0x40 [ 200.886685][ T6367] dump_stack_lvl+0xf4/0x15c [ 200.887355][ T6367] dump_stack+0x1c/0x5c [ 200.888000][ T6367] sysfs_create_dir_ns+0x244/0x264 [ 200.888683][ T6367] kobject_add_internal+0x594/0xc2c [ 200.889446][ T6367] kobject_init_and_add+0x128/0x194 [ 200.890212][ T6367] gfs2_sys_fs_add+0x208/0x428 [ 200.890901][ T6367] gfs2_fill_super+0xe20/0x1a9c [ 200.891597][ T6367] get_tree_bdev+0x35c/0x54c [ 200.892233][ T6367] gfs2_get_tree+0x58/0x1b8 [ 200.892845][ T6367] vfs_get_tree+0x90/0x278 [ 200.893488][ T6367] do_new_mount+0x228/0x804 [ 200.894169][ T6367] path_mount+0x57c/0xfe8 [ 200.894722][ T6367] __arm64_sys_mount+0x488/0x5f8 [ 200.895377][ T6367] invoke_syscall+0x98/0x28c [ 200.895954][ T6367] el0_svc_common+0x13c/0x258 [ 200.896606][ T6367] do_el0_svc+0x5c/0x140 [ 200.897200][ T6367] el0_svc+0x78/0x1d0 [ 200.897724][ T6367] el0t_64_sync_handler+0xcc/0xe4 [ 200.898392][ T6367] el0t_64_sync+0x1a0/0x1a4 [ 200.900439][ T6367] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 200.902148][ T6367] gfs2: fsid=}: error -17 adding sysfs files [ 201.042755][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 201.043855][ T6370] CPU: 1 PID: 6370 Comm: syz.1.566 Not tainted syzkaller #0 [ 201.044785][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.046160][ T6370] Call trace: [ 201.046675][ T6370] dump_backtrace+0x0/0x458 [ 201.047278][ T6370] show_stack+0x2c/0x3c [ 201.047825][ T6370] __dump_stack+0x30/0x40 [ 201.048445][ T6370] dump_stack_lvl+0xf4/0x15c [ 201.049091][ T6370] dump_stack+0x1c/0x5c [ 201.049725][ T6370] sysfs_create_dir_ns+0x244/0x264 [ 201.050383][ T6370] kobject_add_internal+0x594/0xc2c [ 201.051090][ T6370] kobject_init_and_add+0x128/0x194 [ 201.051824][ T6370] gfs2_sys_fs_add+0x208/0x428 [ 201.052521][ T6370] gfs2_fill_super+0xe20/0x1a9c [ 201.053135][ T6370] get_tree_bdev+0x35c/0x54c [ 201.053775][ T6370] gfs2_get_tree+0x58/0x1b8 [ 201.054464][ T6370] vfs_get_tree+0x90/0x278 [ 201.055059][ T6370] do_new_mount+0x228/0x804 [ 201.055695][ T6370] path_mount+0x57c/0xfe8 [ 201.056309][ T6370] __arm64_sys_mount+0x488/0x5f8 [ 201.057019][ T6370] invoke_syscall+0x98/0x28c [ 201.057644][ T6370] el0_svc_common+0x13c/0x258 [ 201.058256][ T6370] do_el0_svc+0x5c/0x140 [ 201.058825][ T6370] el0_svc+0x78/0x1d0 [ 201.059366][ T6370] el0t_64_sync_handler+0xcc/0xe4 [ 201.060143][ T6370] el0t_64_sync+0x1a0/0x1a4 [ 201.062816][ T6370] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 201.064503][ T6370] gfs2: fsid=}: error -17 adding sysfs files [ 201.272562][ T6373] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 201.273567][ T6373] CPU: 1 PID: 6373 Comm: syz.1.567 Not tainted syzkaller #0 [ 201.274469][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.275715][ T6373] Call trace: [ 201.276173][ T6373] dump_backtrace+0x0/0x458 [ 201.276725][ T6373] show_stack+0x2c/0x3c [ 201.277314][ T6373] __dump_stack+0x30/0x40 [ 201.277907][ T6373] dump_stack_lvl+0xf4/0x15c [ 201.278570][ T6373] dump_stack+0x1c/0x5c [ 201.279147][ T6373] sysfs_create_dir_ns+0x244/0x264 [ 201.279829][ T6373] kobject_add_internal+0x594/0xc2c [ 201.280513][ T6373] kobject_init_and_add+0x128/0x194 [ 201.281288][ T6373] gfs2_sys_fs_add+0x208/0x428 [ 201.282018][ T6373] gfs2_fill_super+0xe20/0x1a9c [ 201.282691][ T6373] get_tree_bdev+0x35c/0x54c [ 201.283239][ T6373] gfs2_get_tree+0x58/0x1b8 [ 201.283903][ T6373] vfs_get_tree+0x90/0x278 [ 201.284510][ T6373] do_new_mount+0x228/0x804 [ 201.285187][ T6373] path_mount+0x57c/0xfe8 [ 201.285767][ T6373] __arm64_sys_mount+0x488/0x5f8 [ 201.286498][ T6373] invoke_syscall+0x98/0x28c [ 201.287124][ T6373] el0_svc_common+0x13c/0x258 [ 201.287750][ T6373] do_el0_svc+0x5c/0x140 [ 201.288393][ T6373] el0_svc+0x78/0x1d0 [ 201.288982][ T6373] el0t_64_sync_handler+0xcc/0xe4 [ 201.289741][ T6373] el0t_64_sync+0x1a0/0x1a4 [ 201.292358][ T6373] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 201.294065][ T6373] gfs2: fsid=}: error -17 adding sysfs files [ 201.429881][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 201.430879][ T6376] CPU: 1 PID: 6376 Comm: syz.1.568 Not tainted syzkaller #0 [ 201.431835][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.433133][ T6376] Call trace: [ 201.433550][ T6376] dump_backtrace+0x0/0x458 [ 201.434104][ T6376] show_stack+0x2c/0x3c [ 201.434668][ T6376] __dump_stack+0x30/0x40 [ 201.435265][ T6376] dump_stack_lvl+0xf4/0x15c [ 201.435881][ T6376] dump_stack+0x1c/0x5c [ 201.436398][ T6376] sysfs_create_dir_ns+0x244/0x264 [ 201.437012][ T6376] kobject_add_internal+0x594/0xc2c [ 201.437741][ T6376] kobject_init_and_add+0x128/0x194 [ 201.438465][ T6376] gfs2_sys_fs_add+0x208/0x428 [ 201.439102][ T6376] gfs2_fill_super+0xe20/0x1a9c [ 201.439717][ T6376] get_tree_bdev+0x35c/0x54c [ 201.440287][ T6376] gfs2_get_tree+0x58/0x1b8 [ 201.440841][ T6376] vfs_get_tree+0x90/0x278 [ 201.441433][ T6376] do_new_mount+0x228/0x804 [ 201.442052][ T6376] path_mount+0x57c/0xfe8 [ 201.442688][ T6376] __arm64_sys_mount+0x488/0x5f8 [ 201.443331][ T6376] invoke_syscall+0x98/0x28c [ 201.443976][ T6376] el0_svc_common+0x13c/0x258 [ 201.444655][ T6376] do_el0_svc+0x5c/0x140 [ 201.445277][ T6376] el0_svc+0x78/0x1d0 [ 201.445838][ T6376] el0t_64_sync_handler+0xcc/0xe4 [ 201.446544][ T6376] el0t_64_sync+0x1a0/0x1a4 [ 201.448677][ T6376] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 201.450365][ T6376] gfs2: fsid=}: error -17 adding sysfs files [ 201.743484][ T6379] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 201.744514][ T6379] CPU: 0 PID: 6379 Comm: syz.1.569 Not tainted syzkaller #0 [ 201.745512][ T6379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.746917][ T6379] Call trace: [ 201.747383][ T6379] dump_backtrace+0x0/0x458 [ 201.748023][ T6379] show_stack+0x2c/0x3c [ 201.748613][ T6379] __dump_stack+0x30/0x40 [ 201.749180][ T6379] dump_stack_lvl+0xf4/0x15c [ 201.749831][ T6379] dump_stack+0x1c/0x5c [ 201.750403][ T6379] sysfs_create_dir_ns+0x244/0x264 [ 201.751077][ T6379] kobject_add_internal+0x594/0xc2c [ 201.751792][ T6379] kobject_init_and_add+0x128/0x194 [ 201.752492][ T6379] gfs2_sys_fs_add+0x208/0x428 [ 201.753113][ T6379] gfs2_fill_super+0xe20/0x1a9c [ 201.753787][ T6379] get_tree_bdev+0x35c/0x54c [ 201.754436][ T6379] gfs2_get_tree+0x58/0x1b8 [ 201.755036][ T6379] vfs_get_tree+0x90/0x278 [ 201.755612][ T6379] do_new_mount+0x228/0x804 [ 201.756249][ T6379] path_mount+0x57c/0xfe8 [ 201.756871][ T6379] __arm64_sys_mount+0x488/0x5f8 [ 201.757599][ T6379] invoke_syscall+0x98/0x28c [ 201.758304][ T6379] el0_svc_common+0x13c/0x258 [ 201.758971][ T6379] do_el0_svc+0x5c/0x140 [ 201.759512][ T6379] el0_svc+0x78/0x1d0 [ 201.760035][ T6379] el0t_64_sync_handler+0xcc/0xe4 [ 201.760650][ T6379] el0t_64_sync+0x1a0/0x1a4 [ 201.761680][ T6379] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 201.763374][ T6379] gfs2: fsid=}: error -17 adding sysfs files [ 201.929531][ T6382] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 201.930547][ T6382] CPU: 0 PID: 6382 Comm: syz.1.570 Not tainted syzkaller #0 [ 201.931542][ T6382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 201.932878][ T6382] Call trace: [ 201.933320][ T6382] dump_backtrace+0x0/0x458 [ 201.934003][ T6382] show_stack+0x2c/0x3c [ 201.934523][ T6382] __dump_stack+0x30/0x40 [ 201.935108][ T6382] dump_stack_lvl+0xf4/0x15c [ 201.935759][ T6382] dump_stack+0x1c/0x5c [ 201.936421][ T6382] sysfs_create_dir_ns+0x244/0x264 [ 201.937086][ T6382] kobject_add_internal+0x594/0xc2c [ 201.937685][ T6382] kobject_init_and_add+0x128/0x194 [ 201.938403][ T6382] gfs2_sys_fs_add+0x208/0x428 [ 201.939067][ T6382] gfs2_fill_super+0xe20/0x1a9c [ 201.939767][ T6382] get_tree_bdev+0x35c/0x54c [ 201.940416][ T6382] gfs2_get_tree+0x58/0x1b8 [ 201.941108][ T6382] vfs_get_tree+0x90/0x278 [ 201.941787][ T6382] do_new_mount+0x228/0x804 [ 201.942480][ T6382] path_mount+0x57c/0xfe8 [ 201.943109][ T6382] __arm64_sys_mount+0x488/0x5f8 [ 201.943859][ T6382] invoke_syscall+0x98/0x28c [ 201.944488][ T6382] el0_svc_common+0x13c/0x258 [ 201.945179][ T6382] do_el0_svc+0x5c/0x140 [ 201.945841][ T6382] el0_svc+0x78/0x1d0 [ 201.946433][ T6382] el0t_64_sync_handler+0xcc/0xe4 [ 201.947182][ T6382] el0t_64_sync+0x1a0/0x1a4 [ 201.947948][ T6382] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 201.949922][ T6382] gfs2: fsid=}: error -17 adding sysfs files [ 202.169447][ T6385] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 202.170583][ T6385] CPU: 0 PID: 6385 Comm: syz.1.571 Not tainted syzkaller #0 [ 202.171739][ T6385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.172995][ T6385] Call trace: [ 202.173427][ T6385] dump_backtrace+0x0/0x458 [ 202.174038][ T6385] show_stack+0x2c/0x3c [ 202.174569][ T6385] __dump_stack+0x30/0x40 [ 202.175148][ T6385] dump_stack_lvl+0xf4/0x15c [ 202.175800][ T6385] dump_stack+0x1c/0x5c [ 202.176379][ T6385] sysfs_create_dir_ns+0x244/0x264 [ 202.177162][ T6385] kobject_add_internal+0x594/0xc2c [ 202.177934][ T6385] kobject_init_and_add+0x128/0x194 [ 202.178735][ T6385] gfs2_sys_fs_add+0x208/0x428 [ 202.179401][ T6385] gfs2_fill_super+0xe20/0x1a9c [ 202.180081][ T6385] get_tree_bdev+0x35c/0x54c [ 202.180796][ T6385] gfs2_get_tree+0x58/0x1b8 [ 202.181442][ T6385] vfs_get_tree+0x90/0x278 [ 202.182103][ T6385] do_new_mount+0x228/0x804 [ 202.182757][ T6385] path_mount+0x57c/0xfe8 [ 202.183429][ T6385] __arm64_sys_mount+0x488/0x5f8 [ 202.184271][ T6385] invoke_syscall+0x98/0x28c [ 202.184950][ T6385] el0_svc_common+0x13c/0x258 [ 202.185669][ T6385] do_el0_svc+0x5c/0x140 [ 202.186260][ T6385] el0_svc+0x78/0x1d0 [ 202.186861][ T6385] el0t_64_sync_handler+0xcc/0xe4 [ 202.187577][ T6385] el0t_64_sync+0x1a0/0x1a4 [ 202.188477][ T6385] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 202.190278][ T6385] gfs2: fsid=}: error -17 adding sysfs files [ 202.464833][ T6388] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 202.465843][ T6388] CPU: 1 PID: 6388 Comm: syz.1.572 Not tainted syzkaller #0 [ 202.466818][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.468165][ T6388] Call trace: [ 202.468648][ T6388] dump_backtrace+0x0/0x458 [ 202.469290][ T6388] show_stack+0x2c/0x3c [ 202.469885][ T6388] __dump_stack+0x30/0x40 [ 202.470470][ T6388] dump_stack_lvl+0xf4/0x15c [ 202.471164][ T6388] dump_stack+0x1c/0x5c [ 202.471790][ T6388] sysfs_create_dir_ns+0x244/0x264 [ 202.472500][ T6388] kobject_add_internal+0x594/0xc2c [ 202.473189][ T6388] kobject_init_and_add+0x128/0x194 [ 202.473873][ T6388] gfs2_sys_fs_add+0x208/0x428 [ 202.474571][ T6388] gfs2_fill_super+0xe20/0x1a9c [ 202.475237][ T6388] get_tree_bdev+0x35c/0x54c [ 202.475846][ T6388] gfs2_get_tree+0x58/0x1b8 [ 202.476525][ T6388] vfs_get_tree+0x90/0x278 [ 202.477166][ T6388] do_new_mount+0x228/0x804 [ 202.477801][ T6388] path_mount+0x57c/0xfe8 [ 202.478422][ T6388] __arm64_sys_mount+0x488/0x5f8 [ 202.479131][ T6388] invoke_syscall+0x98/0x28c [ 202.479807][ T6388] el0_svc_common+0x13c/0x258 [ 202.480450][ T6388] do_el0_svc+0x5c/0x140 [ 202.481027][ T6388] el0_svc+0x78/0x1d0 [ 202.481565][ T6388] el0t_64_sync_handler+0xcc/0xe4 [ 202.482236][ T6388] el0t_64_sync+0x1a0/0x1a4 [ 202.484680][ T6388] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 202.486416][ T6388] gfs2: fsid=}: error -17 adding sysfs files [ 202.664481][ T6391] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 202.665456][ T6391] CPU: 0 PID: 6391 Comm: syz.1.573 Not tainted syzkaller #0 [ 202.666496][ T6391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.667707][ T6391] Call trace: [ 202.668117][ T6391] dump_backtrace+0x0/0x458 [ 202.668728][ T6391] show_stack+0x2c/0x3c [ 202.669273][ T6391] __dump_stack+0x30/0x40 [ 202.669923][ T6391] dump_stack_lvl+0xf4/0x15c [ 202.670529][ T6391] dump_stack+0x1c/0x5c [ 202.671123][ T6391] sysfs_create_dir_ns+0x244/0x264 [ 202.671737][ T6391] kobject_add_internal+0x594/0xc2c [ 202.672490][ T6391] kobject_init_and_add+0x128/0x194 [ 202.673126][ T6391] gfs2_sys_fs_add+0x208/0x428 [ 202.673753][ T6391] gfs2_fill_super+0xe20/0x1a9c [ 202.674471][ T6391] get_tree_bdev+0x35c/0x54c [ 202.675067][ T6391] gfs2_get_tree+0x58/0x1b8 [ 202.675689][ T6391] vfs_get_tree+0x90/0x278 [ 202.676290][ T6391] do_new_mount+0x228/0x804 [ 202.676935][ T6391] path_mount+0x57c/0xfe8 [ 202.677456][ T6391] __arm64_sys_mount+0x488/0x5f8 [ 202.678140][ T6391] invoke_syscall+0x98/0x28c [ 202.678849][ T6391] el0_svc_common+0x13c/0x258 [ 202.679458][ T6391] do_el0_svc+0x5c/0x140 [ 202.680027][ T6391] el0_svc+0x78/0x1d0 [ 202.680592][ T6391] el0t_64_sync_handler+0xcc/0xe4 [ 202.681298][ T6391] el0t_64_sync+0x1a0/0x1a4 [ 202.682331][ T6391] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 202.684090][ T6391] gfs2: fsid=}: error -17 adding sysfs files [ 202.827082][ T6395] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 202.828332][ T6395] CPU: 1 PID: 6395 Comm: syz.1.574 Not tainted syzkaller #0 [ 202.829316][ T6395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 202.830638][ T6395] Call trace: [ 202.831098][ T6395] dump_backtrace+0x0/0x458 [ 202.831685][ T6395] show_stack+0x2c/0x3c [ 202.832304][ T6395] __dump_stack+0x30/0x40 [ 202.832915][ T6395] dump_stack_lvl+0xf4/0x15c [ 202.833482][ T6395] dump_stack+0x1c/0x5c [ 202.833987][ T6395] sysfs_create_dir_ns+0x244/0x264 [ 202.834619][ T6395] kobject_add_internal+0x594/0xc2c [ 202.835273][ T6395] kobject_init_and_add+0x128/0x194 [ 202.835986][ T6395] gfs2_sys_fs_add+0x208/0x428 [ 202.836691][ T6395] gfs2_fill_super+0xe20/0x1a9c [ 202.837370][ T6395] get_tree_bdev+0x35c/0x54c [ 202.837968][ T6395] gfs2_get_tree+0x58/0x1b8 [ 202.838581][ T6395] vfs_get_tree+0x90/0x278 [ 202.839220][ T6395] do_new_mount+0x228/0x804 [ 202.839850][ T6395] path_mount+0x57c/0xfe8 [ 202.840432][ T6395] __arm64_sys_mount+0x488/0x5f8 [ 202.841083][ T6395] invoke_syscall+0x98/0x28c [ 202.841723][ T6395] el0_svc_common+0x13c/0x258 [ 202.842333][ T6395] do_el0_svc+0x5c/0x140 [ 202.842909][ T6395] el0_svc+0x78/0x1d0 [ 202.843438][ T6395] el0t_64_sync_handler+0xcc/0xe4 [ 202.844136][ T6395] el0t_64_sync+0x1a0/0x1a4 [ 202.845147][ T6395] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 202.846859][ T6395] gfs2: fsid=}: error -17 adding sysfs files [ 203.128353][ T6398] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 203.129330][ T6398] CPU: 1 PID: 6398 Comm: syz.1.575 Not tainted syzkaller #0 [ 203.130371][ T6398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.131648][ T6398] Call trace: [ 203.132094][ T6398] dump_backtrace+0x0/0x458 [ 203.132694][ T6398] show_stack+0x2c/0x3c [ 203.133191][ T6398] __dump_stack+0x30/0x40 [ 203.133792][ T6398] dump_stack_lvl+0xf4/0x15c [ 203.134451][ T6398] dump_stack+0x1c/0x5c [ 203.134982][ T6398] sysfs_create_dir_ns+0x244/0x264 [ 203.135733][ T6398] kobject_add_internal+0x594/0xc2c [ 203.136445][ T6398] kobject_init_and_add+0x128/0x194 [ 203.137131][ T6398] gfs2_sys_fs_add+0x208/0x428 [ 203.137745][ T6398] gfs2_fill_super+0xe20/0x1a9c [ 203.138383][ T6398] get_tree_bdev+0x35c/0x54c [ 203.139058][ T6398] gfs2_get_tree+0x58/0x1b8 [ 203.139700][ T6398] vfs_get_tree+0x90/0x278 [ 203.140337][ T6398] do_new_mount+0x228/0x804 [ 203.140970][ T6398] path_mount+0x57c/0xfe8 [ 203.141642][ T6398] __arm64_sys_mount+0x488/0x5f8 [ 203.142356][ T6398] invoke_syscall+0x98/0x28c [ 203.142994][ T6398] el0_svc_common+0x13c/0x258 [ 203.143707][ T6398] do_el0_svc+0x5c/0x140 [ 203.144236][ T6398] el0_svc+0x78/0x1d0 [ 203.144808][ T6398] el0t_64_sync_handler+0xcc/0xe4 [ 203.145452][ T6398] el0t_64_sync+0x1a0/0x1a4 [ 203.146872][ T6398] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 203.148598][ T6398] gfs2: fsid=}: error -17 adding sysfs files [ 203.319467][ T6401] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 203.320549][ T6401] CPU: 0 PID: 6401 Comm: syz.1.576 Not tainted syzkaller #0 [ 203.321496][ T6401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.322888][ T6401] Call trace: [ 203.323384][ T6401] dump_backtrace+0x0/0x458 [ 203.323981][ T6401] show_stack+0x2c/0x3c [ 203.324510][ T6401] __dump_stack+0x30/0x40 [ 203.325094][ T6401] dump_stack_lvl+0xf4/0x15c [ 203.325753][ T6401] dump_stack+0x1c/0x5c [ 203.326321][ T6401] sysfs_create_dir_ns+0x244/0x264 [ 203.326959][ T6401] kobject_add_internal+0x594/0xc2c [ 203.327641][ T6401] kobject_init_and_add+0x128/0x194 [ 203.328340][ T6401] gfs2_sys_fs_add+0x208/0x428 [ 203.329019][ T6401] gfs2_fill_super+0xe20/0x1a9c [ 203.329684][ T6401] get_tree_bdev+0x35c/0x54c [ 203.330269][ T6401] gfs2_get_tree+0x58/0x1b8 [ 203.330898][ T6401] vfs_get_tree+0x90/0x278 [ 203.331522][ T6401] do_new_mount+0x228/0x804 [ 203.332160][ T6401] path_mount+0x57c/0xfe8 [ 203.332738][ T6401] __arm64_sys_mount+0x488/0x5f8 [ 203.333444][ T6401] invoke_syscall+0x98/0x28c [ 203.334109][ T6401] el0_svc_common+0x13c/0x258 [ 203.334702][ T6401] do_el0_svc+0x5c/0x140 [ 203.335273][ T6401] el0_svc+0x78/0x1d0 [ 203.335829][ T6401] el0t_64_sync_handler+0xcc/0xe4 [ 203.336553][ T6401] el0t_64_sync+0x1a0/0x1a4 [ 203.337847][ T6401] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 203.339901][ T6401] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:23 executed programs: 563 [ 203.480759][ T6404] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 203.481862][ T6404] CPU: 0 PID: 6404 Comm: syz.1.577 Not tainted syzkaller #0 [ 203.482843][ T6404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.484086][ T6404] Call trace: [ 203.484587][ T6404] dump_backtrace+0x0/0x458 [ 203.485205][ T6404] show_stack+0x2c/0x3c [ 203.485792][ T6404] __dump_stack+0x30/0x40 [ 203.486376][ T6404] dump_stack_lvl+0xf4/0x15c [ 203.486998][ T6404] dump_stack+0x1c/0x5c [ 203.487614][ T6404] sysfs_create_dir_ns+0x244/0x264 [ 203.488272][ T6404] kobject_add_internal+0x594/0xc2c [ 203.488959][ T6404] kobject_init_and_add+0x128/0x194 [ 203.489684][ T6404] gfs2_sys_fs_add+0x208/0x428 [ 203.490403][ T6404] gfs2_fill_super+0xe20/0x1a9c [ 203.491034][ T6404] get_tree_bdev+0x35c/0x54c [ 203.491710][ T6404] gfs2_get_tree+0x58/0x1b8 [ 203.492356][ T6404] vfs_get_tree+0x90/0x278 [ 203.493014][ T6404] do_new_mount+0x228/0x804 [ 203.493609][ T6404] path_mount+0x57c/0xfe8 [ 203.494312][ T6404] __arm64_sys_mount+0x488/0x5f8 [ 203.494977][ T6404] invoke_syscall+0x98/0x28c [ 203.495674][ T6404] el0_svc_common+0x13c/0x258 [ 203.496331][ T6404] do_el0_svc+0x5c/0x140 [ 203.496910][ T6404] el0_svc+0x78/0x1d0 [ 203.497544][ T6404] el0t_64_sync_handler+0xcc/0xe4 [ 203.498209][ T6404] el0t_64_sync+0x1a0/0x1a4 [ 203.500240][ T6404] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 203.501875][ T6404] gfs2: fsid=}: error -17 adding sysfs files [ 203.643963][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 203.645045][ T6407] CPU: 0 PID: 6407 Comm: syz.1.578 Not tainted syzkaller #0 [ 203.645976][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.647312][ T6407] Call trace: [ 203.647691][ T6407] dump_backtrace+0x0/0x458 [ 203.648305][ T6407] show_stack+0x2c/0x3c [ 203.648797][ T6407] __dump_stack+0x30/0x40 [ 203.649405][ T6407] dump_stack_lvl+0xf4/0x15c [ 203.650083][ T6407] dump_stack+0x1c/0x5c [ 203.650642][ T6407] sysfs_create_dir_ns+0x244/0x264 [ 203.651261][ T6407] kobject_add_internal+0x594/0xc2c [ 203.651964][ T6407] kobject_init_and_add+0x128/0x194 [ 203.652753][ T6407] gfs2_sys_fs_add+0x208/0x428 [ 203.653420][ T6407] gfs2_fill_super+0xe20/0x1a9c [ 203.654096][ T6407] get_tree_bdev+0x35c/0x54c [ 203.654689][ T6407] gfs2_get_tree+0x58/0x1b8 [ 203.655349][ T6407] vfs_get_tree+0x90/0x278 [ 203.655926][ T6407] do_new_mount+0x228/0x804 [ 203.656503][ T6407] path_mount+0x57c/0xfe8 [ 203.657097][ T6407] __arm64_sys_mount+0x488/0x5f8 [ 203.657748][ T6407] invoke_syscall+0x98/0x28c [ 203.658508][ T6407] el0_svc_common+0x13c/0x258 [ 203.659102][ T6407] do_el0_svc+0x5c/0x140 [ 203.659701][ T6407] el0_svc+0x78/0x1d0 [ 203.660265][ T6407] el0t_64_sync_handler+0xcc/0xe4 [ 203.660954][ T6407] el0t_64_sync+0x1a0/0x1a4 [ 203.662039][ T6407] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 203.663795][ T6407] gfs2: fsid=}: error -17 adding sysfs files [ 203.889163][ T6410] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 203.890279][ T6410] CPU: 0 PID: 6410 Comm: syz.1.579 Not tainted syzkaller #0 [ 203.891331][ T6410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 203.892646][ T6410] Call trace: [ 203.893105][ T6410] dump_backtrace+0x0/0x458 [ 203.893682][ T6410] show_stack+0x2c/0x3c [ 203.894226][ T6410] __dump_stack+0x30/0x40 [ 203.894856][ T6410] dump_stack_lvl+0xf4/0x15c [ 203.895507][ T6410] dump_stack+0x1c/0x5c [ 203.896003][ T6410] sysfs_create_dir_ns+0x244/0x264 [ 203.896706][ T6410] kobject_add_internal+0x594/0xc2c [ 203.897466][ T6410] kobject_init_and_add+0x128/0x194 [ 203.898112][ T6410] gfs2_sys_fs_add+0x208/0x428 [ 203.898715][ T6410] gfs2_fill_super+0xe20/0x1a9c [ 203.899337][ T6410] get_tree_bdev+0x35c/0x54c [ 203.899961][ T6410] gfs2_get_tree+0x58/0x1b8 [ 203.900604][ T6410] vfs_get_tree+0x90/0x278 [ 203.901180][ T6410] do_new_mount+0x228/0x804 [ 203.901843][ T6410] path_mount+0x57c/0xfe8 [ 203.902473][ T6410] __arm64_sys_mount+0x488/0x5f8 [ 203.903114][ T6410] invoke_syscall+0x98/0x28c [ 203.903882][ T6410] el0_svc_common+0x13c/0x258 [ 203.904490][ T6410] do_el0_svc+0x5c/0x140 [ 203.905076][ T6410] el0_svc+0x78/0x1d0 [ 203.905618][ T6410] el0t_64_sync_handler+0xcc/0xe4 [ 203.906246][ T6410] el0t_64_sync+0x1a0/0x1a4 [ 203.907197][ T6410] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 203.908899][ T6410] gfs2: fsid=}: error -17 adding sysfs files [ 204.090952][ T6413] set_capacity_and_notify: 15 callbacks suppressed [ 204.090962][ T6413] loop1: detected capacity change from 0 to 32768 [ 204.134736][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 204.135760][ T6413] CPU: 1 PID: 6413 Comm: syz.1.580 Not tainted syzkaller #0 [ 204.136769][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.138166][ T6413] Call trace: [ 204.138610][ T6413] dump_backtrace+0x0/0x458 [ 204.139224][ T6413] show_stack+0x2c/0x3c [ 204.139825][ T6413] __dump_stack+0x30/0x40 [ 204.140461][ T6413] dump_stack_lvl+0xf4/0x15c [ 204.141072][ T6413] dump_stack+0x1c/0x5c [ 204.141639][ T6413] sysfs_create_dir_ns+0x244/0x264 [ 204.142320][ T6413] kobject_add_internal+0x594/0xc2c [ 204.143007][ T6413] kobject_init_and_add+0x128/0x194 [ 204.143675][ T6413] gfs2_sys_fs_add+0x208/0x428 [ 204.144340][ T6413] gfs2_fill_super+0xe20/0x1a9c [ 204.145064][ T6413] get_tree_bdev+0x35c/0x54c [ 204.145702][ T6413] gfs2_get_tree+0x58/0x1b8 [ 204.146361][ T6413] vfs_get_tree+0x90/0x278 [ 204.147008][ T6413] do_new_mount+0x228/0x804 [ 204.147617][ T6413] path_mount+0x57c/0xfe8 [ 204.148247][ T6413] __arm64_sys_mount+0x488/0x5f8 [ 204.148982][ T6413] invoke_syscall+0x98/0x28c [ 204.149602][ T6413] el0_svc_common+0x13c/0x258 [ 204.150399][ T6413] do_el0_svc+0x5c/0x140 [ 204.151030][ T6413] el0_svc+0x78/0x1d0 [ 204.151547][ T6413] el0t_64_sync_handler+0xcc/0xe4 [ 204.152303][ T6413] el0t_64_sync+0x1a0/0x1a4 [ 204.153710][ T6413] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 204.155495][ T6413] gfs2: fsid=}: error -17 adding sysfs files [ 204.286420][ T6416] loop1: detected capacity change from 0 to 32768 [ 204.293756][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 204.294744][ T6416] CPU: 1 PID: 6416 Comm: syz.1.581 Not tainted syzkaller #0 [ 204.295724][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.297126][ T6416] Call trace: [ 204.297606][ T6416] dump_backtrace+0x0/0x458 [ 204.298155][ T6416] show_stack+0x2c/0x3c [ 204.298750][ T6416] __dump_stack+0x30/0x40 [ 204.299286][ T6416] dump_stack_lvl+0xf4/0x15c [ 204.299930][ T6416] dump_stack+0x1c/0x5c [ 204.300522][ T6416] sysfs_create_dir_ns+0x244/0x264 [ 204.301281][ T6416] kobject_add_internal+0x594/0xc2c [ 204.302017][ T6416] kobject_init_and_add+0x128/0x194 [ 204.302725][ T6416] gfs2_sys_fs_add+0x208/0x428 [ 204.303393][ T6416] gfs2_fill_super+0xe20/0x1a9c [ 204.304118][ T6416] get_tree_bdev+0x35c/0x54c [ 204.304721][ T6416] gfs2_get_tree+0x58/0x1b8 [ 204.305375][ T6416] vfs_get_tree+0x90/0x278 [ 204.306047][ T6416] do_new_mount+0x228/0x804 [ 204.306644][ T6416] path_mount+0x57c/0xfe8 [ 204.307206][ T6416] __arm64_sys_mount+0x488/0x5f8 [ 204.307864][ T6416] invoke_syscall+0x98/0x28c [ 204.308496][ T6416] el0_svc_common+0x13c/0x258 [ 204.309127][ T6416] do_el0_svc+0x5c/0x140 [ 204.309717][ T6416] el0_svc+0x78/0x1d0 [ 204.310282][ T6416] el0t_64_sync_handler+0xcc/0xe4 [ 204.311015][ T6416] el0t_64_sync+0x1a0/0x1a4 [ 204.314204][ T6416] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 204.316003][ T6416] gfs2: fsid=}: error -17 adding sysfs files [ 204.447572][ T6419] loop1: detected capacity change from 0 to 32768 [ 204.453521][ T6419] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 204.454590][ T6419] CPU: 1 PID: 6419 Comm: syz.1.582 Not tainted syzkaller #0 [ 204.455643][ T6419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.456930][ T6419] Call trace: [ 204.457375][ T6419] dump_backtrace+0x0/0x458 [ 204.457990][ T6419] show_stack+0x2c/0x3c [ 204.458589][ T6419] __dump_stack+0x30/0x40 [ 204.459200][ T6419] dump_stack_lvl+0xf4/0x15c [ 204.459892][ T6419] dump_stack+0x1c/0x5c [ 204.460496][ T6419] sysfs_create_dir_ns+0x244/0x264 [ 204.461178][ T6419] kobject_add_internal+0x594/0xc2c [ 204.461903][ T6419] kobject_init_and_add+0x128/0x194 [ 204.462644][ T6419] gfs2_sys_fs_add+0x208/0x428 [ 204.463335][ T6419] gfs2_fill_super+0xe20/0x1a9c [ 204.463978][ T6419] get_tree_bdev+0x35c/0x54c [ 204.464632][ T6419] gfs2_get_tree+0x58/0x1b8 [ 204.465268][ T6419] vfs_get_tree+0x90/0x278 [ 204.465856][ T6419] do_new_mount+0x228/0x804 [ 204.466495][ T6419] path_mount+0x57c/0xfe8 [ 204.467178][ T6419] __arm64_sys_mount+0x488/0x5f8 [ 204.467835][ T6419] invoke_syscall+0x98/0x28c [ 204.468473][ T6419] el0_svc_common+0x13c/0x258 [ 204.469211][ T6419] do_el0_svc+0x5c/0x140 [ 204.469786][ T6419] el0_svc+0x78/0x1d0 [ 204.470355][ T6419] el0t_64_sync_handler+0xcc/0xe4 [ 204.470992][ T6419] el0t_64_sync+0x1a0/0x1a4 [ 204.471721][ T6419] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 204.473380][ T6419] gfs2: fsid=}: error -17 adding sysfs files [ 204.602195][ T6422] loop1: detected capacity change from 0 to 32768 [ 204.691983][ T6422] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 204.693061][ T6422] CPU: 0 PID: 6422 Comm: syz.1.583 Not tainted syzkaller #0 [ 204.694261][ T6422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.695714][ T6422] Call trace: [ 204.696199][ T6422] dump_backtrace+0x0/0x458 [ 204.696707][ T6422] show_stack+0x2c/0x3c [ 204.697295][ T6422] __dump_stack+0x30/0x40 [ 204.697835][ T6422] dump_stack_lvl+0xf4/0x15c [ 204.698478][ T6422] dump_stack+0x1c/0x5c [ 204.699031][ T6422] sysfs_create_dir_ns+0x244/0x264 [ 204.699751][ T6422] kobject_add_internal+0x594/0xc2c [ 204.700445][ T6422] kobject_init_and_add+0x128/0x194 [ 204.701128][ T6422] gfs2_sys_fs_add+0x208/0x428 [ 204.701736][ T6422] gfs2_fill_super+0xe20/0x1a9c [ 204.702495][ T6422] get_tree_bdev+0x35c/0x54c [ 204.703150][ T6422] gfs2_get_tree+0x58/0x1b8 [ 204.703801][ T6422] vfs_get_tree+0x90/0x278 [ 204.704438][ T6422] do_new_mount+0x228/0x804 [ 204.705090][ T6422] path_mount+0x57c/0xfe8 [ 204.705688][ T6422] __arm64_sys_mount+0x488/0x5f8 [ 204.706363][ T6422] invoke_syscall+0x98/0x28c [ 204.707027][ T6422] el0_svc_common+0x13c/0x258 [ 204.707700][ T6422] do_el0_svc+0x5c/0x140 [ 204.708297][ T6422] el0_svc+0x78/0x1d0 [ 204.708881][ T6422] el0t_64_sync_handler+0xcc/0xe4 [ 204.709691][ T6422] el0t_64_sync+0x1a0/0x1a4 [ 204.710471][ T6422] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 204.712086][ T6422] gfs2: fsid=}: error -17 adding sysfs files [ 204.846889][ T6425] loop1: detected capacity change from 0 to 32768 [ 204.899530][ T6425] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 204.900641][ T6425] CPU: 1 PID: 6425 Comm: syz.1.584 Not tainted syzkaller #0 [ 204.901622][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 204.902908][ T6425] Call trace: [ 204.903406][ T6425] dump_backtrace+0x0/0x458 [ 204.903992][ T6425] show_stack+0x2c/0x3c [ 204.904622][ T6425] __dump_stack+0x30/0x40 [ 204.905147][ T6425] dump_stack_lvl+0xf4/0x15c [ 204.905700][ T6425] dump_stack+0x1c/0x5c [ 204.906271][ T6425] sysfs_create_dir_ns+0x244/0x264 [ 204.906964][ T6425] kobject_add_internal+0x594/0xc2c [ 204.907772][ T6425] kobject_init_and_add+0x128/0x194 [ 204.908485][ T6425] gfs2_sys_fs_add+0x208/0x428 [ 204.909118][ T6425] gfs2_fill_super+0xe20/0x1a9c [ 204.909859][ T6425] get_tree_bdev+0x35c/0x54c [ 204.910575][ T6425] gfs2_get_tree+0x58/0x1b8 [ 204.911203][ T6425] vfs_get_tree+0x90/0x278 [ 204.911776][ T6425] do_new_mount+0x228/0x804 [ 204.912404][ T6425] path_mount+0x57c/0xfe8 [ 204.913000][ T6425] __arm64_sys_mount+0x488/0x5f8 [ 204.913696][ T6425] invoke_syscall+0x98/0x28c [ 204.914335][ T6425] el0_svc_common+0x13c/0x258 [ 204.914953][ T6425] do_el0_svc+0x5c/0x140 [ 204.915516][ T6425] el0_svc+0x78/0x1d0 [ 204.916137][ T6425] el0t_64_sync_handler+0xcc/0xe4 [ 204.916858][ T6425] el0t_64_sync+0x1a0/0x1a4 [ 204.917681][ T6425] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 204.920889][ T6425] gfs2: fsid=}: error -17 adding sysfs files [ 205.080714][ T6428] loop1: detected capacity change from 0 to 32768 [ 205.087831][ T6428] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 205.089120][ T6428] CPU: 0 PID: 6428 Comm: syz.1.585 Not tainted syzkaller #0 [ 205.090143][ T6428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.091487][ T6428] Call trace: [ 205.091914][ T6428] dump_backtrace+0x0/0x458 [ 205.092582][ T6428] show_stack+0x2c/0x3c [ 205.093174][ T6428] __dump_stack+0x30/0x40 [ 205.093796][ T6428] dump_stack_lvl+0xf4/0x15c [ 205.094461][ T6428] dump_stack+0x1c/0x5c [ 205.095049][ T6428] sysfs_create_dir_ns+0x244/0x264 [ 205.095742][ T6428] kobject_add_internal+0x594/0xc2c [ 205.096467][ T6428] kobject_init_and_add+0x128/0x194 [ 205.097219][ T6428] gfs2_sys_fs_add+0x208/0x428 [ 205.097866][ T6428] gfs2_fill_super+0xe20/0x1a9c [ 205.098578][ T6428] get_tree_bdev+0x35c/0x54c [ 205.099261][ T6428] gfs2_get_tree+0x58/0x1b8 [ 205.099846][ T6428] vfs_get_tree+0x90/0x278 [ 205.100440][ T6428] do_new_mount+0x228/0x804 [ 205.101151][ T6428] path_mount+0x57c/0xfe8 [ 205.101882][ T6428] __arm64_sys_mount+0x488/0x5f8 [ 205.102621][ T6428] invoke_syscall+0x98/0x28c [ 205.103226][ T6428] el0_svc_common+0x13c/0x258 [ 205.103922][ T6428] do_el0_svc+0x5c/0x140 [ 205.104534][ T6428] el0_svc+0x78/0x1d0 [ 205.105089][ T6428] el0t_64_sync_handler+0xcc/0xe4 [ 205.105786][ T6428] el0t_64_sync+0x1a0/0x1a4 [ 205.108472][ T6428] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 205.110292][ T6428] gfs2: fsid=}: error -17 adding sysfs files [ 205.239893][ T6431] loop1: detected capacity change from 0 to 32768 [ 205.247173][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 205.248774][ T6431] CPU: 0 PID: 6431 Comm: syz.1.586 Not tainted syzkaller #0 [ 205.249715][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.251237][ T6431] Call trace: [ 205.251676][ T6431] dump_backtrace+0x0/0x458 [ 205.252267][ T6431] show_stack+0x2c/0x3c [ 205.252862][ T6431] __dump_stack+0x30/0x40 [ 205.253475][ T6431] dump_stack_lvl+0xf4/0x15c [ 205.254169][ T6431] dump_stack+0x1c/0x5c [ 205.254748][ T6431] sysfs_create_dir_ns+0x244/0x264 [ 205.255448][ T6431] kobject_add_internal+0x594/0xc2c [ 205.256182][ T6431] kobject_init_and_add+0x128/0x194 [ 205.256849][ T6431] gfs2_sys_fs_add+0x208/0x428 [ 205.257474][ T6431] gfs2_fill_super+0xe20/0x1a9c [ 205.258151][ T6431] get_tree_bdev+0x35c/0x54c [ 205.258782][ T6431] gfs2_get_tree+0x58/0x1b8 [ 205.259380][ T6431] vfs_get_tree+0x90/0x278 [ 205.260017][ T6431] do_new_mount+0x228/0x804 [ 205.260690][ T6431] path_mount+0x57c/0xfe8 [ 205.261280][ T6431] __arm64_sys_mount+0x488/0x5f8 [ 205.261954][ T6431] invoke_syscall+0x98/0x28c [ 205.262560][ T6431] el0_svc_common+0x13c/0x258 [ 205.263160][ T6431] do_el0_svc+0x5c/0x140 [ 205.263776][ T6431] el0_svc+0x78/0x1d0 [ 205.264317][ T6431] el0t_64_sync_handler+0xcc/0xe4 [ 205.264913][ T6431] el0t_64_sync+0x1a0/0x1a4 [ 205.267221][ T6431] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 205.268924][ T6431] gfs2: fsid=}: error -17 adding sysfs files [ 205.398859][ T6434] loop1: detected capacity change from 0 to 32768 [ 205.449917][ T6434] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 205.450926][ T6434] CPU: 0 PID: 6434 Comm: syz.1.587 Not tainted syzkaller #0 [ 205.451845][ T6434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.453212][ T6434] Call trace: [ 205.453690][ T6434] dump_backtrace+0x0/0x458 [ 205.454326][ T6434] show_stack+0x2c/0x3c [ 205.454868][ T6434] __dump_stack+0x30/0x40 [ 205.455488][ T6434] dump_stack_lvl+0xf4/0x15c [ 205.456082][ T6434] dump_stack+0x1c/0x5c [ 205.456678][ T6434] sysfs_create_dir_ns+0x244/0x264 [ 205.457372][ T6434] kobject_add_internal+0x594/0xc2c [ 205.458080][ T6434] kobject_init_and_add+0x128/0x194 [ 205.458793][ T6434] gfs2_sys_fs_add+0x208/0x428 [ 205.459456][ T6434] gfs2_fill_super+0xe20/0x1a9c [ 205.460090][ T6434] get_tree_bdev+0x35c/0x54c [ 205.460713][ T6434] gfs2_get_tree+0x58/0x1b8 [ 205.461339][ T6434] vfs_get_tree+0x90/0x278 [ 205.461928][ T6434] do_new_mount+0x228/0x804 [ 205.462519][ T6434] path_mount+0x57c/0xfe8 [ 205.463086][ T6434] __arm64_sys_mount+0x488/0x5f8 [ 205.463664][ T6434] invoke_syscall+0x98/0x28c [ 205.464291][ T6434] el0_svc_common+0x13c/0x258 [ 205.464980][ T6434] do_el0_svc+0x5c/0x140 [ 205.465545][ T6434] el0_svc+0x78/0x1d0 [ 205.466122][ T6434] el0t_64_sync_handler+0xcc/0xe4 [ 205.466792][ T6434] el0t_64_sync+0x1a0/0x1a4 [ 205.468946][ T6434] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 205.470622][ T6434] gfs2: fsid=}: error -17 adding sysfs files [ 205.653193][ T6437] loop1: detected capacity change from 0 to 32768 [ 205.695524][ T6437] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 205.696677][ T6437] CPU: 0 PID: 6437 Comm: syz.1.588 Not tainted syzkaller #0 [ 205.697680][ T6437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.699022][ T6437] Call trace: [ 205.699461][ T6437] dump_backtrace+0x0/0x458 [ 205.700083][ T6437] show_stack+0x2c/0x3c [ 205.700719][ T6437] __dump_stack+0x30/0x40 [ 205.701326][ T6437] dump_stack_lvl+0xf4/0x15c [ 205.701934][ T6437] dump_stack+0x1c/0x5c [ 205.702550][ T6437] sysfs_create_dir_ns+0x244/0x264 [ 205.703258][ T6437] kobject_add_internal+0x594/0xc2c [ 205.703980][ T6437] kobject_init_and_add+0x128/0x194 [ 205.704675][ T6437] gfs2_sys_fs_add+0x208/0x428 [ 205.705319][ T6437] gfs2_fill_super+0xe20/0x1a9c [ 205.705976][ T6437] get_tree_bdev+0x35c/0x54c [ 205.706598][ T6437] gfs2_get_tree+0x58/0x1b8 [ 205.707234][ T6437] vfs_get_tree+0x90/0x278 [ 205.707835][ T6437] do_new_mount+0x228/0x804 [ 205.708530][ T6437] path_mount+0x57c/0xfe8 [ 205.709111][ T6437] __arm64_sys_mount+0x488/0x5f8 [ 205.709830][ T6437] invoke_syscall+0x98/0x28c [ 205.710462][ T6437] el0_svc_common+0x13c/0x258 [ 205.711051][ T6437] do_el0_svc+0x5c/0x140 [ 205.711660][ T6437] el0_svc+0x78/0x1d0 [ 205.712213][ T6437] el0t_64_sync_handler+0xcc/0xe4 [ 205.712920][ T6437] el0t_64_sync+0x1a0/0x1a4 [ 205.713757][ T6437] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 205.715523][ T6437] gfs2: fsid=}: error -17 adding sysfs files [ 205.844976][ T6440] loop1: detected capacity change from 0 to 32768 [ 205.893133][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 205.894248][ T6440] CPU: 0 PID: 6440 Comm: syz.1.589 Not tainted syzkaller #0 [ 205.895224][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 205.896709][ T6440] Call trace: [ 205.897158][ T6440] dump_backtrace+0x0/0x458 [ 205.897837][ T6440] show_stack+0x2c/0x3c [ 205.898437][ T6440] __dump_stack+0x30/0x40 [ 205.899033][ T6440] dump_stack_lvl+0xf4/0x15c [ 205.899732][ T6440] dump_stack+0x1c/0x5c [ 205.900327][ T6440] sysfs_create_dir_ns+0x244/0x264 [ 205.901062][ T6440] kobject_add_internal+0x594/0xc2c [ 205.901863][ T6440] kobject_init_and_add+0x128/0x194 [ 205.902579][ T6440] gfs2_sys_fs_add+0x208/0x428 [ 205.903349][ T6440] gfs2_fill_super+0xe20/0x1a9c [ 205.904060][ T6440] get_tree_bdev+0x35c/0x54c [ 205.904750][ T6440] gfs2_get_tree+0x58/0x1b8 [ 205.905430][ T6440] vfs_get_tree+0x90/0x278 [ 205.906035][ T6440] do_new_mount+0x228/0x804 [ 205.906756][ T6440] path_mount+0x57c/0xfe8 [ 205.907427][ T6440] __arm64_sys_mount+0x488/0x5f8 [ 205.908111][ T6440] invoke_syscall+0x98/0x28c [ 205.908726][ T6440] el0_svc_common+0x13c/0x258 [ 205.909401][ T6440] do_el0_svc+0x5c/0x140 [ 205.910043][ T6440] el0_svc+0x78/0x1d0 [ 205.910605][ T6440] el0t_64_sync_handler+0xcc/0xe4 [ 205.911386][ T6440] el0t_64_sync+0x1a0/0x1a4 [ 205.912683][ T6440] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 205.914523][ T6440] gfs2: fsid=}: error -17 adding sysfs files [ 206.084781][ T6443] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.085852][ T6443] CPU: 1 PID: 6443 Comm: syz.1.590 Not tainted syzkaller #0 [ 206.086747][ T6443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.088063][ T6443] Call trace: [ 206.088519][ T6443] dump_backtrace+0x0/0x458 [ 206.089102][ T6443] show_stack+0x2c/0x3c [ 206.089650][ T6443] __dump_stack+0x30/0x40 [ 206.090259][ T6443] dump_stack_lvl+0xf4/0x15c [ 206.090860][ T6443] dump_stack+0x1c/0x5c [ 206.091409][ T6443] sysfs_create_dir_ns+0x244/0x264 [ 206.092098][ T6443] kobject_add_internal+0x594/0xc2c [ 206.092852][ T6443] kobject_init_and_add+0x128/0x194 [ 206.093532][ T6443] gfs2_sys_fs_add+0x208/0x428 [ 206.094143][ T6443] gfs2_fill_super+0xe20/0x1a9c [ 206.094816][ T6443] get_tree_bdev+0x35c/0x54c [ 206.095461][ T6443] gfs2_get_tree+0x58/0x1b8 [ 206.096054][ T6443] vfs_get_tree+0x90/0x278 [ 206.096641][ T6443] do_new_mount+0x228/0x804 [ 206.097239][ T6443] path_mount+0x57c/0xfe8 [ 206.097779][ T6443] __arm64_sys_mount+0x488/0x5f8 [ 206.098386][ T6443] invoke_syscall+0x98/0x28c [ 206.098994][ T6443] el0_svc_common+0x13c/0x258 [ 206.099615][ T6443] do_el0_svc+0x5c/0x140 [ 206.100280][ T6443] el0_svc+0x78/0x1d0 [ 206.100861][ T6443] el0t_64_sync_handler+0xcc/0xe4 [ 206.101528][ T6443] el0t_64_sync+0x1a0/0x1a4 [ 206.103651][ T6443] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.105292][ T6443] gfs2: fsid=}: error -17 adding sysfs files [ 206.284238][ T6446] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.285209][ T6446] CPU: 1 PID: 6446 Comm: syz.1.591 Not tainted syzkaller #0 [ 206.286152][ T6446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.287546][ T6446] Call trace: [ 206.287998][ T6446] dump_backtrace+0x0/0x458 [ 206.288533][ T6446] show_stack+0x2c/0x3c [ 206.289071][ T6446] __dump_stack+0x30/0x40 [ 206.289728][ T6446] dump_stack_lvl+0xf4/0x15c [ 206.290310][ T6446] dump_stack+0x1c/0x5c [ 206.290869][ T6446] sysfs_create_dir_ns+0x244/0x264 [ 206.291561][ T6446] kobject_add_internal+0x594/0xc2c [ 206.292256][ T6446] kobject_init_and_add+0x128/0x194 [ 206.292980][ T6446] gfs2_sys_fs_add+0x208/0x428 [ 206.293666][ T6446] gfs2_fill_super+0xe20/0x1a9c [ 206.294337][ T6446] get_tree_bdev+0x35c/0x54c [ 206.295036][ T6446] gfs2_get_tree+0x58/0x1b8 [ 206.295644][ T6446] vfs_get_tree+0x90/0x278 [ 206.296261][ T6446] do_new_mount+0x228/0x804 [ 206.296873][ T6446] path_mount+0x57c/0xfe8 [ 206.297467][ T6446] __arm64_sys_mount+0x488/0x5f8 [ 206.298110][ T6446] invoke_syscall+0x98/0x28c [ 206.298734][ T6446] el0_svc_common+0x13c/0x258 [ 206.299372][ T6446] do_el0_svc+0x5c/0x140 [ 206.299931][ T6446] el0_svc+0x78/0x1d0 [ 206.300487][ T6446] el0t_64_sync_handler+0xcc/0xe4 [ 206.301103][ T6446] el0t_64_sync+0x1a0/0x1a4 [ 206.303205][ T6446] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.304928][ T6446] gfs2: fsid=}: error -17 adding sysfs files [ 206.513716][ T6449] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.514709][ T6449] CPU: 1 PID: 6449 Comm: syz.1.592 Not tainted syzkaller #0 [ 206.515645][ T6449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.516971][ T6449] Call trace: [ 206.517435][ T6449] dump_backtrace+0x0/0x458 [ 206.518150][ T6449] show_stack+0x2c/0x3c [ 206.518811][ T6449] __dump_stack+0x30/0x40 [ 206.519506][ T6449] dump_stack_lvl+0xf4/0x15c [ 206.520185][ T6449] dump_stack+0x1c/0x5c [ 206.520789][ T6449] sysfs_create_dir_ns+0x244/0x264 [ 206.521491][ T6449] kobject_add_internal+0x594/0xc2c [ 206.522253][ T6449] kobject_init_and_add+0x128/0x194 [ 206.522972][ T6449] gfs2_sys_fs_add+0x208/0x428 [ 206.523600][ T6449] gfs2_fill_super+0xe20/0x1a9c [ 206.524379][ T6449] get_tree_bdev+0x35c/0x54c [ 206.525011][ T6449] gfs2_get_tree+0x58/0x1b8 [ 206.525585][ T6449] vfs_get_tree+0x90/0x278 [ 206.526247][ T6449] do_new_mount+0x228/0x804 [ 206.526896][ T6449] path_mount+0x57c/0xfe8 [ 206.527471][ T6449] __arm64_sys_mount+0x488/0x5f8 [ 206.528169][ T6449] invoke_syscall+0x98/0x28c [ 206.528831][ T6449] el0_svc_common+0x13c/0x258 [ 206.529539][ T6449] do_el0_svc+0x5c/0x140 [ 206.530117][ T6449] el0_svc+0x78/0x1d0 [ 206.530635][ T6449] el0t_64_sync_handler+0xcc/0xe4 [ 206.531321][ T6449] el0t_64_sync+0x1a0/0x1a4 [ 206.533422][ T6449] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.535310][ T6449] gfs2: fsid=}: error -17 adding sysfs files [ 206.704113][ T6452] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.705140][ T6452] CPU: 1 PID: 6452 Comm: syz.1.593 Not tainted syzkaller #0 [ 206.706116][ T6452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.707524][ T6452] Call trace: [ 206.708006][ T6452] dump_backtrace+0x0/0x458 [ 206.708631][ T6452] show_stack+0x2c/0x3c [ 206.709186][ T6452] __dump_stack+0x30/0x40 [ 206.709847][ T6452] dump_stack_lvl+0xf4/0x15c [ 206.710454][ T6452] dump_stack+0x1c/0x5c [ 206.711060][ T6452] sysfs_create_dir_ns+0x244/0x264 [ 206.711740][ T6452] kobject_add_internal+0x594/0xc2c [ 206.712480][ T6452] kobject_init_and_add+0x128/0x194 [ 206.713193][ T6452] gfs2_sys_fs_add+0x208/0x428 [ 206.713859][ T6452] gfs2_fill_super+0xe20/0x1a9c [ 206.714534][ T6452] get_tree_bdev+0x35c/0x54c [ 206.715147][ T6452] gfs2_get_tree+0x58/0x1b8 [ 206.715811][ T6452] vfs_get_tree+0x90/0x278 [ 206.716418][ T6452] do_new_mount+0x228/0x804 [ 206.717002][ T6452] path_mount+0x57c/0xfe8 [ 206.717649][ T6452] __arm64_sys_mount+0x488/0x5f8 [ 206.718382][ T6452] invoke_syscall+0x98/0x28c [ 206.719022][ T6452] el0_svc_common+0x13c/0x258 [ 206.719643][ T6452] do_el0_svc+0x5c/0x140 [ 206.720230][ T6452] el0_svc+0x78/0x1d0 [ 206.720807][ T6452] el0t_64_sync_handler+0xcc/0xe4 [ 206.721474][ T6452] el0t_64_sync+0x1a0/0x1a4 [ 206.723587][ T6452] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.725245][ T6452] gfs2: fsid=}: error -17 adding sysfs files [ 206.942856][ T6455] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 206.943848][ T6455] CPU: 1 PID: 6455 Comm: syz.1.594 Not tainted syzkaller #0 [ 206.944834][ T6455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 206.946251][ T6455] Call trace: [ 206.946654][ T6455] dump_backtrace+0x0/0x458 [ 206.947287][ T6455] show_stack+0x2c/0x3c [ 206.947855][ T6455] __dump_stack+0x30/0x40 [ 206.948456][ T6455] dump_stack_lvl+0xf4/0x15c [ 206.949092][ T6455] dump_stack+0x1c/0x5c [ 206.949645][ T6455] sysfs_create_dir_ns+0x244/0x264 [ 206.950300][ T6455] kobject_add_internal+0x594/0xc2c [ 206.951021][ T6455] kobject_init_and_add+0x128/0x194 [ 206.951685][ T6455] gfs2_sys_fs_add+0x208/0x428 [ 206.952332][ T6455] gfs2_fill_super+0xe20/0x1a9c [ 206.953030][ T6455] get_tree_bdev+0x35c/0x54c [ 206.953673][ T6455] gfs2_get_tree+0x58/0x1b8 [ 206.954263][ T6455] vfs_get_tree+0x90/0x278 [ 206.954832][ T6455] do_new_mount+0x228/0x804 [ 206.955443][ T6455] path_mount+0x57c/0xfe8 [ 206.956070][ T6455] __arm64_sys_mount+0x488/0x5f8 [ 206.956697][ T6455] invoke_syscall+0x98/0x28c [ 206.957262][ T6455] el0_svc_common+0x13c/0x258 [ 206.957815][ T6455] do_el0_svc+0x5c/0x140 [ 206.958395][ T6455] el0_svc+0x78/0x1d0 [ 206.958931][ T6455] el0t_64_sync_handler+0xcc/0xe4 [ 206.959629][ T6455] el0t_64_sync+0x1a0/0x1a4 [ 206.962396][ T6455] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 206.964091][ T6455] gfs2: fsid=}: error -17 adding sysfs files [ 207.169164][ T6458] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.170156][ T6458] CPU: 0 PID: 6458 Comm: syz.1.595 Not tainted syzkaller #0 [ 207.171128][ T6458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.172486][ T6458] Call trace: [ 207.172869][ T6458] dump_backtrace+0x0/0x458 [ 207.173397][ T6458] show_stack+0x2c/0x3c [ 207.173970][ T6458] __dump_stack+0x30/0x40 [ 207.174583][ T6458] dump_stack_lvl+0xf4/0x15c [ 207.175247][ T6458] dump_stack+0x1c/0x5c [ 207.175815][ T6458] sysfs_create_dir_ns+0x244/0x264 [ 207.176481][ T6458] kobject_add_internal+0x594/0xc2c [ 207.177254][ T6458] kobject_init_and_add+0x128/0x194 [ 207.177914][ T6458] gfs2_sys_fs_add+0x208/0x428 [ 207.178578][ T6458] gfs2_fill_super+0xe20/0x1a9c [ 207.179197][ T6458] get_tree_bdev+0x35c/0x54c [ 207.179829][ T6458] gfs2_get_tree+0x58/0x1b8 [ 207.180483][ T6458] vfs_get_tree+0x90/0x278 [ 207.181081][ T6458] do_new_mount+0x228/0x804 [ 207.181710][ T6458] path_mount+0x57c/0xfe8 [ 207.182307][ T6458] __arm64_sys_mount+0x488/0x5f8 [ 207.183033][ T6458] invoke_syscall+0x98/0x28c [ 207.183649][ T6458] el0_svc_common+0x13c/0x258 [ 207.184302][ T6458] do_el0_svc+0x5c/0x140 [ 207.184900][ T6458] el0_svc+0x78/0x1d0 [ 207.185405][ T6458] el0t_64_sync_handler+0xcc/0xe4 [ 207.186117][ T6458] el0t_64_sync+0x1a0/0x1a4 [ 207.198368][ T6458] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.200206][ T6458] gfs2: fsid=}: error -17 adding sysfs files [ 207.372894][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.373930][ T6461] CPU: 1 PID: 6461 Comm: syz.1.596 Not tainted syzkaller #0 [ 207.375040][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.376425][ T6461] Call trace: [ 207.376857][ T6461] dump_backtrace+0x0/0x458 [ 207.377476][ T6461] show_stack+0x2c/0x3c [ 207.377999][ T6461] __dump_stack+0x30/0x40 [ 207.378612][ T6461] dump_stack_lvl+0xf4/0x15c [ 207.379163][ T6461] dump_stack+0x1c/0x5c [ 207.379722][ T6461] sysfs_create_dir_ns+0x244/0x264 [ 207.380415][ T6461] kobject_add_internal+0x594/0xc2c [ 207.381147][ T6461] kobject_init_and_add+0x128/0x194 [ 207.381862][ T6461] gfs2_sys_fs_add+0x208/0x428 [ 207.382511][ T6461] gfs2_fill_super+0xe20/0x1a9c [ 207.383189][ T6461] get_tree_bdev+0x35c/0x54c [ 207.383790][ T6461] gfs2_get_tree+0x58/0x1b8 [ 207.384421][ T6461] vfs_get_tree+0x90/0x278 [ 207.385092][ T6461] do_new_mount+0x228/0x804 [ 207.385665][ T6461] path_mount+0x57c/0xfe8 [ 207.386245][ T6461] __arm64_sys_mount+0x488/0x5f8 [ 207.386949][ T6461] invoke_syscall+0x98/0x28c [ 207.387544][ T6461] el0_svc_common+0x13c/0x258 [ 207.388203][ T6461] do_el0_svc+0x5c/0x140 [ 207.388751][ T6461] el0_svc+0x78/0x1d0 [ 207.389287][ T6461] el0t_64_sync_handler+0xcc/0xe4 [ 207.389949][ T6461] el0t_64_sync+0x1a0/0x1a4 [ 207.392232][ T6461] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.393955][ T6461] gfs2: fsid=}: error -17 adding sysfs files [ 207.531833][ T6464] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.533121][ T6464] CPU: 0 PID: 6464 Comm: syz.1.597 Not tainted syzkaller #0 [ 207.534130][ T6464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.535575][ T6464] Call trace: [ 207.535991][ T6464] dump_backtrace+0x0/0x458 [ 207.536610][ T6464] show_stack+0x2c/0x3c [ 207.537143][ T6464] __dump_stack+0x30/0x40 [ 207.537692][ T6464] dump_stack_lvl+0xf4/0x15c [ 207.538316][ T6464] dump_stack+0x1c/0x5c [ 207.538969][ T6464] sysfs_create_dir_ns+0x244/0x264 [ 207.539590][ T6464] kobject_add_internal+0x594/0xc2c [ 207.540315][ T6464] kobject_init_and_add+0x128/0x194 [ 207.540992][ T6464] gfs2_sys_fs_add+0x208/0x428 [ 207.541601][ T6464] gfs2_fill_super+0xe20/0x1a9c [ 207.542232][ T6464] get_tree_bdev+0x35c/0x54c [ 207.542891][ T6464] gfs2_get_tree+0x58/0x1b8 [ 207.543426][ T6464] vfs_get_tree+0x90/0x278 [ 207.544043][ T6464] do_new_mount+0x228/0x804 [ 207.544593][ T6464] path_mount+0x57c/0xfe8 [ 207.545153][ T6464] __arm64_sys_mount+0x488/0x5f8 [ 207.545856][ T6464] invoke_syscall+0x98/0x28c [ 207.546531][ T6464] el0_svc_common+0x13c/0x258 [ 207.547201][ T6464] do_el0_svc+0x5c/0x140 [ 207.547754][ T6464] el0_svc+0x78/0x1d0 [ 207.548297][ T6464] el0t_64_sync_handler+0xcc/0xe4 [ 207.548962][ T6464] el0t_64_sync+0x1a0/0x1a4 [ 207.550997][ T6464] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.552793][ T6464] gfs2: fsid=}: error -17 adding sysfs files [ 207.729904][ T6467] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.730991][ T6467] CPU: 1 PID: 6467 Comm: syz.1.598 Not tainted syzkaller #0 [ 207.731904][ T6467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.733272][ T6467] Call trace: [ 207.733715][ T6467] dump_backtrace+0x0/0x458 [ 207.734293][ T6467] show_stack+0x2c/0x3c [ 207.734897][ T6467] __dump_stack+0x30/0x40 [ 207.735446][ T6467] dump_stack_lvl+0xf4/0x15c [ 207.736076][ T6467] dump_stack+0x1c/0x5c [ 207.736631][ T6467] sysfs_create_dir_ns+0x244/0x264 [ 207.737354][ T6467] kobject_add_internal+0x594/0xc2c [ 207.738015][ T6467] kobject_init_and_add+0x128/0x194 [ 207.738759][ T6467] gfs2_sys_fs_add+0x208/0x428 [ 207.739370][ T6467] gfs2_fill_super+0xe20/0x1a9c [ 207.740084][ T6467] get_tree_bdev+0x35c/0x54c [ 207.740704][ T6467] gfs2_get_tree+0x58/0x1b8 [ 207.741270][ T6467] vfs_get_tree+0x90/0x278 [ 207.741843][ T6467] do_new_mount+0x228/0x804 [ 207.742449][ T6467] path_mount+0x57c/0xfe8 [ 207.743056][ T6467] __arm64_sys_mount+0x488/0x5f8 [ 207.743762][ T6467] invoke_syscall+0x98/0x28c [ 207.744396][ T6467] el0_svc_common+0x13c/0x258 [ 207.745038][ T6467] do_el0_svc+0x5c/0x140 [ 207.745642][ T6467] el0_svc+0x78/0x1d0 [ 207.746133][ T6467] el0t_64_sync_handler+0xcc/0xe4 [ 207.746785][ T6467] el0t_64_sync+0x1a0/0x1a4 [ 207.749473][ T6467] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.751374][ T6467] gfs2: fsid=}: error -17 adding sysfs files [ 207.926775][ T6470] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 207.927924][ T6470] CPU: 0 PID: 6470 Comm: syz.1.599 Not tainted syzkaller #0 [ 207.928928][ T6470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 207.930354][ T6470] Call trace: [ 207.930788][ T6470] dump_backtrace+0x0/0x458 [ 207.931438][ T6470] show_stack+0x2c/0x3c [ 207.932012][ T6470] __dump_stack+0x30/0x40 [ 207.932634][ T6470] dump_stack_lvl+0xf4/0x15c [ 207.933310][ T6470] dump_stack+0x1c/0x5c [ 207.933899][ T6470] sysfs_create_dir_ns+0x244/0x264 [ 207.934561][ T6470] kobject_add_internal+0x594/0xc2c [ 207.935243][ T6470] kobject_init_and_add+0x128/0x194 [ 207.935991][ T6470] gfs2_sys_fs_add+0x208/0x428 [ 207.936774][ T6470] gfs2_fill_super+0xe20/0x1a9c [ 207.937502][ T6470] get_tree_bdev+0x35c/0x54c [ 207.938150][ T6470] gfs2_get_tree+0x58/0x1b8 [ 207.938838][ T6470] vfs_get_tree+0x90/0x278 [ 207.939522][ T6470] do_new_mount+0x228/0x804 [ 207.940074][ T6470] path_mount+0x57c/0xfe8 [ 207.940695][ T6470] __arm64_sys_mount+0x488/0x5f8 [ 207.941402][ T6470] invoke_syscall+0x98/0x28c [ 207.942075][ T6470] el0_svc_common+0x13c/0x258 [ 207.942690][ T6470] do_el0_svc+0x5c/0x140 [ 207.943267][ T6470] el0_svc+0x78/0x1d0 [ 207.943853][ T6470] el0t_64_sync_handler+0xcc/0xe4 [ 207.944510][ T6470] el0t_64_sync+0x1a0/0x1a4 [ 207.946604][ T6470] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 207.948563][ T6470] gfs2: fsid=}: error -17 adding sysfs files [ 208.162833][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.163789][ T6473] CPU: 1 PID: 6473 Comm: syz.1.600 Not tainted syzkaller #0 [ 208.164810][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.166073][ T6473] Call trace: [ 208.166615][ T6473] dump_backtrace+0x0/0x458 [ 208.167191][ T6473] show_stack+0x2c/0x3c [ 208.167774][ T6473] __dump_stack+0x30/0x40 [ 208.168404][ T6473] dump_stack_lvl+0xf4/0x15c [ 208.169039][ T6473] dump_stack+0x1c/0x5c [ 208.169539][ T6473] sysfs_create_dir_ns+0x244/0x264 [ 208.170237][ T6473] kobject_add_internal+0x594/0xc2c [ 208.170943][ T6473] kobject_init_and_add+0x128/0x194 [ 208.171631][ T6473] gfs2_sys_fs_add+0x208/0x428 [ 208.172343][ T6473] gfs2_fill_super+0xe20/0x1a9c [ 208.173022][ T6473] get_tree_bdev+0x35c/0x54c [ 208.173625][ T6473] gfs2_get_tree+0x58/0x1b8 [ 208.174252][ T6473] vfs_get_tree+0x90/0x278 [ 208.174874][ T6473] do_new_mount+0x228/0x804 [ 208.175465][ T6473] path_mount+0x57c/0xfe8 [ 208.176066][ T6473] __arm64_sys_mount+0x488/0x5f8 [ 208.176771][ T6473] invoke_syscall+0x98/0x28c [ 208.177412][ T6473] el0_svc_common+0x13c/0x258 [ 208.178064][ T6473] do_el0_svc+0x5c/0x140 [ 208.178663][ T6473] el0_svc+0x78/0x1d0 [ 208.179203][ T6473] el0t_64_sync_handler+0xcc/0xe4 [ 208.179871][ T6473] el0t_64_sync+0x1a0/0x1a4 [ 208.181832][ T6473] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.183459][ T6473] gfs2: fsid=}: error -17 adding sysfs files [ 208.370200][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.371246][ T6476] CPU: 0 PID: 6476 Comm: syz.1.601 Not tainted syzkaller #0 [ 208.372242][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.373484][ T6476] Call trace: [ 208.373887][ T6476] dump_backtrace+0x0/0x458 [ 208.374482][ T6476] show_stack+0x2c/0x3c [ 208.375022][ T6476] __dump_stack+0x30/0x40 [ 208.375689][ T6476] dump_stack_lvl+0xf4/0x15c [ 208.376393][ T6476] dump_stack+0x1c/0x5c [ 208.376987][ T6476] sysfs_create_dir_ns+0x244/0x264 [ 208.377689][ T6476] kobject_add_internal+0x594/0xc2c [ 208.378426][ T6476] kobject_init_and_add+0x128/0x194 [ 208.379102][ T6476] gfs2_sys_fs_add+0x208/0x428 [ 208.379780][ T6476] gfs2_fill_super+0xe20/0x1a9c [ 208.380425][ T6476] get_tree_bdev+0x35c/0x54c [ 208.381069][ T6476] gfs2_get_tree+0x58/0x1b8 [ 208.381700][ T6476] vfs_get_tree+0x90/0x278 [ 208.382360][ T6476] do_new_mount+0x228/0x804 [ 208.383048][ T6476] path_mount+0x57c/0xfe8 [ 208.383635][ T6476] __arm64_sys_mount+0x488/0x5f8 [ 208.384374][ T6476] invoke_syscall+0x98/0x28c [ 208.385036][ T6476] el0_svc_common+0x13c/0x258 [ 208.385633][ T6476] do_el0_svc+0x5c/0x140 [ 208.386199][ T6476] el0_svc+0x78/0x1d0 [ 208.386719][ T6476] el0t_64_sync_handler+0xcc/0xe4 [ 208.387466][ T6476] el0t_64_sync+0x1a0/0x1a4 [ 208.389368][ T6476] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.391032][ T6476] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:28 executed programs: 588 [ 208.563031][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.564062][ T6479] CPU: 1 PID: 6479 Comm: syz.1.602 Not tainted syzkaller #0 [ 208.565085][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.566545][ T6479] Call trace: [ 208.566942][ T6479] dump_backtrace+0x0/0x458 [ 208.567585][ T6479] show_stack+0x2c/0x3c [ 208.568251][ T6479] __dump_stack+0x30/0x40 [ 208.568836][ T6479] dump_stack_lvl+0xf4/0x15c [ 208.569441][ T6479] dump_stack+0x1c/0x5c [ 208.570061][ T6479] sysfs_create_dir_ns+0x244/0x264 [ 208.570790][ T6479] kobject_add_internal+0x594/0xc2c [ 208.571575][ T6479] kobject_init_and_add+0x128/0x194 [ 208.572289][ T6479] gfs2_sys_fs_add+0x208/0x428 [ 208.572961][ T6479] gfs2_fill_super+0xe20/0x1a9c [ 208.573674][ T6479] get_tree_bdev+0x35c/0x54c [ 208.574276][ T6479] gfs2_get_tree+0x58/0x1b8 [ 208.574926][ T6479] vfs_get_tree+0x90/0x278 [ 208.575512][ T6479] do_new_mount+0x228/0x804 [ 208.576186][ T6479] path_mount+0x57c/0xfe8 [ 208.576783][ T6479] __arm64_sys_mount+0x488/0x5f8 [ 208.577451][ T6479] invoke_syscall+0x98/0x28c [ 208.578131][ T6479] el0_svc_common+0x13c/0x258 [ 208.578719][ T6479] do_el0_svc+0x5c/0x140 [ 208.579372][ T6479] el0_svc+0x78/0x1d0 [ 208.579936][ T6479] el0t_64_sync_handler+0xcc/0xe4 [ 208.580695][ T6479] el0t_64_sync+0x1a0/0x1a4 [ 208.582815][ T6479] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.584405][ T6479] gfs2: fsid=}: error -17 adding sysfs files [ 208.721918][ T6482] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.722888][ T6482] CPU: 0 PID: 6482 Comm: syz.1.603 Not tainted syzkaller #0 [ 208.723833][ T6482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.725131][ T6482] Call trace: [ 208.725556][ T6482] dump_backtrace+0x0/0x458 [ 208.726139][ T6482] show_stack+0x2c/0x3c [ 208.726699][ T6482] __dump_stack+0x30/0x40 [ 208.727321][ T6482] dump_stack_lvl+0xf4/0x15c [ 208.727947][ T6482] dump_stack+0x1c/0x5c [ 208.728510][ T6482] sysfs_create_dir_ns+0x244/0x264 [ 208.729285][ T6482] kobject_add_internal+0x594/0xc2c [ 208.730009][ T6482] kobject_init_and_add+0x128/0x194 [ 208.730732][ T6482] gfs2_sys_fs_add+0x208/0x428 [ 208.731374][ T6482] gfs2_fill_super+0xe20/0x1a9c [ 208.732075][ T6482] get_tree_bdev+0x35c/0x54c [ 208.732753][ T6482] gfs2_get_tree+0x58/0x1b8 [ 208.733413][ T6482] vfs_get_tree+0x90/0x278 [ 208.734043][ T6482] do_new_mount+0x228/0x804 [ 208.734667][ T6482] path_mount+0x57c/0xfe8 [ 208.735233][ T6482] __arm64_sys_mount+0x488/0x5f8 [ 208.735930][ T6482] invoke_syscall+0x98/0x28c [ 208.736574][ T6482] el0_svc_common+0x13c/0x258 [ 208.737189][ T6482] do_el0_svc+0x5c/0x140 [ 208.737769][ T6482] el0_svc+0x78/0x1d0 [ 208.738332][ T6482] el0t_64_sync_handler+0xcc/0xe4 [ 208.739008][ T6482] el0t_64_sync+0x1a0/0x1a4 [ 208.739922][ T6482] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.741604][ T6482] gfs2: fsid=}: error -17 adding sysfs files [ 208.919503][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 208.920491][ T6485] CPU: 1 PID: 6485 Comm: syz.1.604 Not tainted syzkaller #0 [ 208.921612][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 208.923153][ T6485] Call trace: [ 208.923644][ T6485] dump_backtrace+0x0/0x458 [ 208.924232][ T6485] show_stack+0x2c/0x3c [ 208.924754][ T6485] __dump_stack+0x30/0x40 [ 208.925369][ T6485] dump_stack_lvl+0xf4/0x15c [ 208.926022][ T6485] dump_stack+0x1c/0x5c [ 208.926670][ T6485] sysfs_create_dir_ns+0x244/0x264 [ 208.927460][ T6485] kobject_add_internal+0x594/0xc2c [ 208.928269][ T6485] kobject_init_and_add+0x128/0x194 [ 208.929004][ T6485] gfs2_sys_fs_add+0x208/0x428 [ 208.929673][ T6485] gfs2_fill_super+0xe20/0x1a9c [ 208.930343][ T6485] get_tree_bdev+0x35c/0x54c [ 208.930969][ T6485] gfs2_get_tree+0x58/0x1b8 [ 208.931590][ T6485] vfs_get_tree+0x90/0x278 [ 208.932197][ T6485] do_new_mount+0x228/0x804 [ 208.932799][ T6485] path_mount+0x57c/0xfe8 [ 208.933447][ T6485] __arm64_sys_mount+0x488/0x5f8 [ 208.934125][ T6485] invoke_syscall+0x98/0x28c [ 208.934762][ T6485] el0_svc_common+0x13c/0x258 [ 208.935403][ T6485] do_el0_svc+0x5c/0x140 [ 208.936004][ T6485] el0_svc+0x78/0x1d0 [ 208.936555][ T6485] el0t_64_sync_handler+0xcc/0xe4 [ 208.937195][ T6485] el0t_64_sync+0x1a0/0x1a4 [ 208.939290][ T6485] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 208.940979][ T6485] gfs2: fsid=}: error -17 adding sysfs files [ 209.111781][ T6488] set_capacity_and_notify: 15 callbacks suppressed [ 209.111792][ T6488] loop1: detected capacity change from 0 to 32768 [ 209.149461][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.150481][ T6488] CPU: 0 PID: 6488 Comm: syz.1.605 Not tainted syzkaller #0 [ 209.151462][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.152788][ T6488] Call trace: [ 209.153247][ T6488] dump_backtrace+0x0/0x458 [ 209.153888][ T6488] show_stack+0x2c/0x3c [ 209.154471][ T6488] __dump_stack+0x30/0x40 [ 209.155119][ T6488] dump_stack_lvl+0xf4/0x15c [ 209.155798][ T6488] dump_stack+0x1c/0x5c [ 209.156401][ T6488] sysfs_create_dir_ns+0x244/0x264 [ 209.157169][ T6488] kobject_add_internal+0x594/0xc2c [ 209.157971][ T6488] kobject_init_and_add+0x128/0x194 [ 209.158735][ T6488] gfs2_sys_fs_add+0x208/0x428 [ 209.159492][ T6488] gfs2_fill_super+0xe20/0x1a9c [ 209.160194][ T6488] get_tree_bdev+0x35c/0x54c [ 209.160824][ T6488] gfs2_get_tree+0x58/0x1b8 [ 209.161491][ T6488] vfs_get_tree+0x90/0x278 [ 209.162232][ T6488] do_new_mount+0x228/0x804 [ 209.162850][ T6488] path_mount+0x57c/0xfe8 [ 209.163495][ T6488] __arm64_sys_mount+0x488/0x5f8 [ 209.164262][ T6488] invoke_syscall+0x98/0x28c [ 209.164986][ T6488] el0_svc_common+0x13c/0x258 [ 209.165747][ T6488] do_el0_svc+0x5c/0x140 [ 209.166390][ T6488] el0_svc+0x78/0x1d0 [ 209.166945][ T6488] el0t_64_sync_handler+0xcc/0xe4 [ 209.167691][ T6488] el0t_64_sync+0x1a0/0x1a4 [ 209.168497][ T6488] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.170310][ T6488] gfs2: fsid=}: error -17 adding sysfs files [ 209.343898][ T6491] loop1: detected capacity change from 0 to 32768 [ 209.392001][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.393198][ T6491] CPU: 1 PID: 6491 Comm: syz.1.606 Not tainted syzkaller #0 [ 209.394157][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.395401][ T6491] Call trace: [ 209.395910][ T6491] dump_backtrace+0x0/0x458 [ 209.396505][ T6491] show_stack+0x2c/0x3c [ 209.397076][ T6491] __dump_stack+0x30/0x40 [ 209.397623][ T6491] dump_stack_lvl+0xf4/0x15c [ 209.398207][ T6491] dump_stack+0x1c/0x5c [ 209.398855][ T6491] sysfs_create_dir_ns+0x244/0x264 [ 209.399575][ T6491] kobject_add_internal+0x594/0xc2c [ 209.400345][ T6491] kobject_init_and_add+0x128/0x194 [ 209.401068][ T6491] gfs2_sys_fs_add+0x208/0x428 [ 209.401743][ T6491] gfs2_fill_super+0xe20/0x1a9c [ 209.402369][ T6491] get_tree_bdev+0x35c/0x54c [ 209.402961][ T6491] gfs2_get_tree+0x58/0x1b8 [ 209.403676][ T6491] vfs_get_tree+0x90/0x278 [ 209.404333][ T6491] do_new_mount+0x228/0x804 [ 209.404960][ T6491] path_mount+0x57c/0xfe8 [ 209.405631][ T6491] __arm64_sys_mount+0x488/0x5f8 [ 209.406332][ T6491] invoke_syscall+0x98/0x28c [ 209.406947][ T6491] el0_svc_common+0x13c/0x258 [ 209.407603][ T6491] do_el0_svc+0x5c/0x140 [ 209.408113][ T6491] el0_svc+0x78/0x1d0 [ 209.408654][ T6491] el0t_64_sync_handler+0xcc/0xe4 [ 209.409342][ T6491] el0t_64_sync+0x1a0/0x1a4 [ 209.410745][ T6491] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.412592][ T6491] gfs2: fsid=}: error -17 adding sysfs files [ 209.545276][ T6494] loop1: detected capacity change from 0 to 32768 [ 209.548080][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.549237][ T6494] CPU: 1 PID: 6494 Comm: syz.1.607 Not tainted syzkaller #0 [ 209.550227][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.551579][ T6494] Call trace: [ 209.552051][ T6494] dump_backtrace+0x0/0x458 [ 209.552647][ T6494] show_stack+0x2c/0x3c [ 209.553228][ T6494] __dump_stack+0x30/0x40 [ 209.553788][ T6494] dump_stack_lvl+0xf4/0x15c [ 209.554457][ T6494] dump_stack+0x1c/0x5c [ 209.555051][ T6494] sysfs_create_dir_ns+0x244/0x264 [ 209.555746][ T6494] kobject_add_internal+0x594/0xc2c [ 209.556434][ T6494] kobject_init_and_add+0x128/0x194 [ 209.557087][ T6494] gfs2_sys_fs_add+0x208/0x428 [ 209.557672][ T6494] gfs2_fill_super+0xe20/0x1a9c [ 209.558340][ T6494] get_tree_bdev+0x35c/0x54c [ 209.558977][ T6494] gfs2_get_tree+0x58/0x1b8 [ 209.559595][ T6494] vfs_get_tree+0x90/0x278 [ 209.560224][ T6494] do_new_mount+0x228/0x804 [ 209.560810][ T6494] path_mount+0x57c/0xfe8 [ 209.561351][ T6494] __arm64_sys_mount+0x488/0x5f8 [ 209.562019][ T6494] invoke_syscall+0x98/0x28c [ 209.562619][ T6494] el0_svc_common+0x13c/0x258 [ 209.563251][ T6494] do_el0_svc+0x5c/0x140 [ 209.563819][ T6494] el0_svc+0x78/0x1d0 [ 209.564368][ T6494] el0t_64_sync_handler+0xcc/0xe4 [ 209.565102][ T6494] el0t_64_sync+0x1a0/0x1a4 [ 209.565850][ T6494] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.568814][ T6494] gfs2: fsid=}: error -17 adding sysfs files [ 209.704117][ T6497] loop1: detected capacity change from 0 to 32768 [ 209.711514][ T6497] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.712526][ T6497] CPU: 0 PID: 6497 Comm: syz.1.608 Not tainted syzkaller #0 [ 209.713483][ T6497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.714781][ T6497] Call trace: [ 209.715230][ T6497] dump_backtrace+0x0/0x458 [ 209.715827][ T6497] show_stack+0x2c/0x3c [ 209.716412][ T6497] __dump_stack+0x30/0x40 [ 209.717009][ T6497] dump_stack_lvl+0xf4/0x15c [ 209.717630][ T6497] dump_stack+0x1c/0x5c [ 209.718263][ T6497] sysfs_create_dir_ns+0x244/0x264 [ 209.719034][ T6497] kobject_add_internal+0x594/0xc2c [ 209.719785][ T6497] kobject_init_and_add+0x128/0x194 [ 209.720504][ T6497] gfs2_sys_fs_add+0x208/0x428 [ 209.721222][ T6497] gfs2_fill_super+0xe20/0x1a9c [ 209.721857][ T6497] get_tree_bdev+0x35c/0x54c [ 209.722519][ T6497] gfs2_get_tree+0x58/0x1b8 [ 209.723133][ T6497] vfs_get_tree+0x90/0x278 [ 209.723746][ T6497] do_new_mount+0x228/0x804 [ 209.724429][ T6497] path_mount+0x57c/0xfe8 [ 209.724967][ T6497] __arm64_sys_mount+0x488/0x5f8 [ 209.725582][ T6497] invoke_syscall+0x98/0x28c [ 209.726210][ T6497] el0_svc_common+0x13c/0x258 [ 209.726856][ T6497] do_el0_svc+0x5c/0x140 [ 209.727445][ T6497] el0_svc+0x78/0x1d0 [ 209.727947][ T6497] el0t_64_sync_handler+0xcc/0xe4 [ 209.728644][ T6497] el0t_64_sync+0x1a0/0x1a4 [ 209.729728][ T6497] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.731361][ T6497] gfs2: fsid=}: error -17 adding sysfs files [ 209.860736][ T6500] loop1: detected capacity change from 0 to 32768 [ 209.899440][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 209.900560][ T6500] CPU: 0 PID: 6500 Comm: syz.1.609 Not tainted syzkaller #0 [ 209.901577][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 209.902986][ T6500] Call trace: [ 209.903409][ T6500] dump_backtrace+0x0/0x458 [ 209.904000][ T6500] show_stack+0x2c/0x3c [ 209.904531][ T6500] __dump_stack+0x30/0x40 [ 209.905117][ T6500] dump_stack_lvl+0xf4/0x15c [ 209.905840][ T6500] dump_stack+0x1c/0x5c [ 209.906513][ T6500] sysfs_create_dir_ns+0x244/0x264 [ 209.907311][ T6500] kobject_add_internal+0x594/0xc2c [ 209.908155][ T6500] kobject_init_and_add+0x128/0x194 [ 209.908938][ T6500] gfs2_sys_fs_add+0x208/0x428 [ 209.909620][ T6500] gfs2_fill_super+0xe20/0x1a9c [ 209.910333][ T6500] get_tree_bdev+0x35c/0x54c [ 209.910921][ T6500] gfs2_get_tree+0x58/0x1b8 [ 209.911539][ T6500] vfs_get_tree+0x90/0x278 [ 209.912161][ T6500] do_new_mount+0x228/0x804 [ 209.912843][ T6500] path_mount+0x57c/0xfe8 [ 209.913423][ T6500] __arm64_sys_mount+0x488/0x5f8 [ 209.914078][ T6500] invoke_syscall+0x98/0x28c [ 209.914677][ T6500] el0_svc_common+0x13c/0x258 [ 209.915292][ T6500] do_el0_svc+0x5c/0x140 [ 209.915866][ T6500] el0_svc+0x78/0x1d0 [ 209.916427][ T6500] el0t_64_sync_handler+0xcc/0xe4 [ 209.917108][ T6500] el0t_64_sync+0x1a0/0x1a4 [ 209.919242][ T6500] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 209.921058][ T6500] gfs2: fsid=}: error -17 adding sysfs files [ 209.931120][ T1540] Bluetooth: hci1: command 0x0406 tx timeout [ 210.096549][ T6503] loop1: detected capacity change from 0 to 32768 [ 210.133979][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.135004][ T6503] CPU: 0 PID: 6503 Comm: syz.1.610 Not tainted syzkaller #0 [ 210.136022][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.137421][ T6503] Call trace: [ 210.137859][ T6503] dump_backtrace+0x0/0x458 [ 210.138512][ T6503] show_stack+0x2c/0x3c [ 210.139035][ T6503] __dump_stack+0x30/0x40 [ 210.139628][ T6503] dump_stack_lvl+0xf4/0x15c [ 210.140257][ T6503] dump_stack+0x1c/0x5c [ 210.140854][ T6503] sysfs_create_dir_ns+0x244/0x264 [ 210.141523][ T6503] kobject_add_internal+0x594/0xc2c [ 210.142231][ T6503] kobject_init_and_add+0x128/0x194 [ 210.142934][ T6503] gfs2_sys_fs_add+0x208/0x428 [ 210.143560][ T6503] gfs2_fill_super+0xe20/0x1a9c [ 210.144198][ T6503] get_tree_bdev+0x35c/0x54c [ 210.144782][ T6503] gfs2_get_tree+0x58/0x1b8 [ 210.145419][ T6503] vfs_get_tree+0x90/0x278 [ 210.146022][ T6503] do_new_mount+0x228/0x804 [ 210.146591][ T6503] path_mount+0x57c/0xfe8 [ 210.147129][ T6503] __arm64_sys_mount+0x488/0x5f8 [ 210.147835][ T6503] invoke_syscall+0x98/0x28c [ 210.148517][ T6503] el0_svc_common+0x13c/0x258 [ 210.149194][ T6503] do_el0_svc+0x5c/0x140 [ 210.149776][ T6503] el0_svc+0x78/0x1d0 [ 210.150280][ T6503] el0t_64_sync_handler+0xcc/0xe4 [ 210.150962][ T6503] el0t_64_sync+0x1a0/0x1a4 [ 210.153171][ T6503] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.155051][ T6503] gfs2: fsid=}: error -17 adding sysfs files [ 210.289146][ T6506] loop1: detected capacity change from 0 to 32768 [ 210.296688][ T6506] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.297753][ T6506] CPU: 0 PID: 6506 Comm: syz.1.611 Not tainted syzkaller #0 [ 210.298931][ T6506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.300524][ T6506] Call trace: [ 210.300987][ T6506] dump_backtrace+0x0/0x458 [ 210.301680][ T6506] show_stack+0x2c/0x3c [ 210.302287][ T6506] __dump_stack+0x30/0x40 [ 210.302927][ T6506] dump_stack_lvl+0xf4/0x15c [ 210.303581][ T6506] dump_stack+0x1c/0x5c [ 210.304186][ T6506] sysfs_create_dir_ns+0x244/0x264 [ 210.304939][ T6506] kobject_add_internal+0x594/0xc2c [ 210.305656][ T6506] kobject_init_and_add+0x128/0x194 [ 210.306435][ T6506] gfs2_sys_fs_add+0x208/0x428 [ 210.307058][ T6506] gfs2_fill_super+0xe20/0x1a9c [ 210.307695][ T6506] get_tree_bdev+0x35c/0x54c [ 210.308349][ T6506] gfs2_get_tree+0x58/0x1b8 [ 210.309010][ T6506] vfs_get_tree+0x90/0x278 [ 210.309627][ T6506] do_new_mount+0x228/0x804 [ 210.310248][ T6506] path_mount+0x57c/0xfe8 [ 210.310826][ T6506] __arm64_sys_mount+0x488/0x5f8 [ 210.311485][ T6506] invoke_syscall+0x98/0x28c [ 210.312117][ T6506] el0_svc_common+0x13c/0x258 [ 210.312710][ T6506] do_el0_svc+0x5c/0x140 [ 210.313452][ T6506] el0_svc+0x78/0x1d0 [ 210.313999][ T6506] el0t_64_sync_handler+0xcc/0xe4 [ 210.314694][ T6506] el0t_64_sync+0x1a0/0x1a4 [ 210.318091][ T6506] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.319911][ T6506] gfs2: fsid=}: error -17 adding sysfs files [ 210.453587][ T6509] loop1: detected capacity change from 0 to 32768 [ 210.461064][ T6509] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.462039][ T6509] CPU: 0 PID: 6509 Comm: syz.1.612 Not tainted syzkaller #0 [ 210.463094][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.464532][ T6509] Call trace: [ 210.464978][ T6509] dump_backtrace+0x0/0x458 [ 210.465568][ T6509] show_stack+0x2c/0x3c [ 210.466074][ T6509] __dump_stack+0x30/0x40 [ 210.466645][ T6509] dump_stack_lvl+0xf4/0x15c [ 210.467292][ T6509] dump_stack+0x1c/0x5c [ 210.467839][ T6509] sysfs_create_dir_ns+0x244/0x264 [ 210.468524][ T6509] kobject_add_internal+0x594/0xc2c [ 210.469222][ T6509] kobject_init_and_add+0x128/0x194 [ 210.469874][ T6509] gfs2_sys_fs_add+0x208/0x428 [ 210.470548][ T6509] gfs2_fill_super+0xe20/0x1a9c [ 210.471240][ T6509] get_tree_bdev+0x35c/0x54c [ 210.471902][ T6509] gfs2_get_tree+0x58/0x1b8 [ 210.472562][ T6509] vfs_get_tree+0x90/0x278 [ 210.473194][ T6509] do_new_mount+0x228/0x804 [ 210.473876][ T6509] path_mount+0x57c/0xfe8 [ 210.474430][ T6509] __arm64_sys_mount+0x488/0x5f8 [ 210.475060][ T6509] invoke_syscall+0x98/0x28c [ 210.475605][ T6509] el0_svc_common+0x13c/0x258 [ 210.476367][ T6509] do_el0_svc+0x5c/0x140 [ 210.476970][ T6509] el0_svc+0x78/0x1d0 [ 210.477567][ T6509] el0t_64_sync_handler+0xcc/0xe4 [ 210.478296][ T6509] el0t_64_sync+0x1a0/0x1a4 [ 210.480899][ T6509] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.482663][ T6509] gfs2: fsid=}: error -17 adding sysfs files [ 210.659057][ T6512] loop1: detected capacity change from 0 to 32768 [ 210.714365][ T6512] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.715384][ T6512] CPU: 0 PID: 6512 Comm: syz.1.613 Not tainted syzkaller #0 [ 210.716403][ T6512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.717747][ T6512] Call trace: [ 210.718217][ T6512] dump_backtrace+0x0/0x458 [ 210.718820][ T6512] show_stack+0x2c/0x3c [ 210.719349][ T6512] __dump_stack+0x30/0x40 [ 210.719897][ T6512] dump_stack_lvl+0xf4/0x15c [ 210.720518][ T6512] dump_stack+0x1c/0x5c [ 210.721106][ T6512] sysfs_create_dir_ns+0x244/0x264 [ 210.721830][ T6512] kobject_add_internal+0x594/0xc2c [ 210.722530][ T6512] kobject_init_and_add+0x128/0x194 [ 210.723259][ T6512] gfs2_sys_fs_add+0x208/0x428 [ 210.723901][ T6512] gfs2_fill_super+0xe20/0x1a9c [ 210.724542][ T6512] get_tree_bdev+0x35c/0x54c [ 210.725111][ T6512] gfs2_get_tree+0x58/0x1b8 [ 210.725791][ T6512] vfs_get_tree+0x90/0x278 [ 210.726414][ T6512] do_new_mount+0x228/0x804 [ 210.727013][ T6512] path_mount+0x57c/0xfe8 [ 210.727685][ T6512] __arm64_sys_mount+0x488/0x5f8 [ 210.728374][ T6512] invoke_syscall+0x98/0x28c [ 210.728944][ T6512] el0_svc_common+0x13c/0x258 [ 210.729618][ T6512] do_el0_svc+0x5c/0x140 [ 210.730178][ T6512] el0_svc+0x78/0x1d0 [ 210.730750][ T6512] el0t_64_sync_handler+0xcc/0xe4 [ 210.731418][ T6512] el0t_64_sync+0x1a0/0x1a4 [ 210.733393][ T6512] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.735163][ T6512] gfs2: fsid=}: error -17 adding sysfs files [ 210.864749][ T6515] loop1: detected capacity change from 0 to 32768 [ 210.909514][ T6515] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 210.910617][ T6515] CPU: 0 PID: 6515 Comm: syz.1.614 Not tainted syzkaller #0 [ 210.911693][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 210.913104][ T6515] Call trace: [ 210.913539][ T6515] dump_backtrace+0x0/0x458 [ 210.914133][ T6515] show_stack+0x2c/0x3c [ 210.914670][ T6515] __dump_stack+0x30/0x40 [ 210.915252][ T6515] dump_stack_lvl+0xf4/0x15c [ 210.915930][ T6515] dump_stack+0x1c/0x5c [ 210.916661][ T6515] sysfs_create_dir_ns+0x244/0x264 [ 210.917381][ T6515] kobject_add_internal+0x594/0xc2c [ 210.918103][ T6515] kobject_init_and_add+0x128/0x194 [ 210.918830][ T6515] gfs2_sys_fs_add+0x208/0x428 [ 210.919501][ T6515] gfs2_fill_super+0xe20/0x1a9c [ 210.920185][ T6515] get_tree_bdev+0x35c/0x54c [ 210.920871][ T6515] gfs2_get_tree+0x58/0x1b8 [ 210.921508][ T6515] vfs_get_tree+0x90/0x278 [ 210.922090][ T6515] do_new_mount+0x228/0x804 [ 210.922716][ T6515] path_mount+0x57c/0xfe8 [ 210.923351][ T6515] __arm64_sys_mount+0x488/0x5f8 [ 210.924074][ T6515] invoke_syscall+0x98/0x28c [ 210.924730][ T6515] el0_svc_common+0x13c/0x258 [ 210.925342][ T6515] do_el0_svc+0x5c/0x140 [ 210.925946][ T6515] el0_svc+0x78/0x1d0 [ 210.926493][ T6515] el0t_64_sync_handler+0xcc/0xe4 [ 210.927189][ T6515] el0t_64_sync+0x1a0/0x1a4 [ 210.928378][ T6515] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 210.930203][ T6515] gfs2: fsid=}: error -17 adding sysfs files [ 211.154013][ T6518] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.155170][ T6518] CPU: 1 PID: 6518 Comm: syz.1.615 Not tainted syzkaller #0 [ 211.156203][ T6518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.157509][ T6518] Call trace: [ 211.157944][ T6518] dump_backtrace+0x0/0x458 [ 211.158550][ T6518] show_stack+0x2c/0x3c [ 211.159113][ T6518] __dump_stack+0x30/0x40 [ 211.159717][ T6518] dump_stack_lvl+0xf4/0x15c [ 211.160365][ T6518] dump_stack+0x1c/0x5c [ 211.160918][ T6518] sysfs_create_dir_ns+0x244/0x264 [ 211.161635][ T6518] kobject_add_internal+0x594/0xc2c [ 211.162347][ T6518] kobject_init_and_add+0x128/0x194 [ 211.163010][ T6518] gfs2_sys_fs_add+0x208/0x428 [ 211.163727][ T6518] gfs2_fill_super+0xe20/0x1a9c [ 211.164383][ T6518] get_tree_bdev+0x35c/0x54c [ 211.165052][ T6518] gfs2_get_tree+0x58/0x1b8 [ 211.165732][ T6518] vfs_get_tree+0x90/0x278 [ 211.166376][ T6518] do_new_mount+0x228/0x804 [ 211.166974][ T6518] path_mount+0x57c/0xfe8 [ 211.167603][ T6518] __arm64_sys_mount+0x488/0x5f8 [ 211.168287][ T6518] invoke_syscall+0x98/0x28c [ 211.168914][ T6518] el0_svc_common+0x13c/0x258 [ 211.169613][ T6518] do_el0_svc+0x5c/0x140 [ 211.170202][ T6518] el0_svc+0x78/0x1d0 [ 211.170760][ T6518] el0t_64_sync_handler+0xcc/0xe4 [ 211.171459][ T6518] el0t_64_sync+0x1a0/0x1a4 [ 211.172843][ T6518] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.174513][ T6518] gfs2: fsid=}: error -17 adding sysfs files [ 211.355267][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.356352][ T6521] CPU: 1 PID: 6521 Comm: syz.1.616 Not tainted syzkaller #0 [ 211.357269][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.358598][ T6521] Call trace: [ 211.358984][ T6521] dump_backtrace+0x0/0x458 [ 211.359652][ T6521] show_stack+0x2c/0x3c [ 211.360274][ T6521] __dump_stack+0x30/0x40 [ 211.360936][ T6521] dump_stack_lvl+0xf4/0x15c [ 211.361581][ T6521] dump_stack+0x1c/0x5c [ 211.362183][ T6521] sysfs_create_dir_ns+0x244/0x264 [ 211.362872][ T6521] kobject_add_internal+0x594/0xc2c [ 211.363574][ T6521] kobject_init_and_add+0x128/0x194 [ 211.364328][ T6521] gfs2_sys_fs_add+0x208/0x428 [ 211.365020][ T6521] gfs2_fill_super+0xe20/0x1a9c [ 211.365738][ T6521] get_tree_bdev+0x35c/0x54c [ 211.366366][ T6521] gfs2_get_tree+0x58/0x1b8 [ 211.367026][ T6521] vfs_get_tree+0x90/0x278 [ 211.367640][ T6521] do_new_mount+0x228/0x804 [ 211.368231][ T6521] path_mount+0x57c/0xfe8 [ 211.368802][ T6521] __arm64_sys_mount+0x488/0x5f8 [ 211.369528][ T6521] invoke_syscall+0x98/0x28c [ 211.370139][ T6521] el0_svc_common+0x13c/0x258 [ 211.370820][ T6521] do_el0_svc+0x5c/0x140 [ 211.371400][ T6521] el0_svc+0x78/0x1d0 [ 211.371942][ T6521] el0t_64_sync_handler+0xcc/0xe4 [ 211.372645][ T6521] el0t_64_sync+0x1a0/0x1a4 [ 211.373952][ T6521] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.375539][ T6521] gfs2: fsid=}: error -17 adding sysfs files [ 211.552499][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 211.554098][ T6524] CPU: 1 PID: 6524 Comm: syz.1.617 Not tainted syzkaller #0 [ 211.555153][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 211.556416][ T6524] Call trace: [ 211.556867][ T6524] dump_backtrace+0x0/0x458 [ 211.557448][ T6524] show_stack+0x2c/0x3c [ 211.557973][ T6524] __dump_stack+0x30/0x40 [ 211.558582][ T6524] dump_stack_lvl+0xf4/0x15c [ 211.559261][ T6524] dump_stack+0x1c/0x5c [ 211.559834][ T6524] sysfs_create_dir_ns+0x244/0x264 [ 211.560581][ T6524] kobject_add_internal+0x594/0xc2c [ 211.561374][ T6524] kobject_init_and_add+0x128/0x194 [ 211.562069][ T6524] gfs2_sys_fs_add+0x208/0x428 [ 211.562703][ T6524] gfs2_fill_super+0xe20/0x1a9c [ 211.563327][ T6524] get_tree_bdev+0x35c/0x54c [ 211.564032][ T6524] gfs2_get_tree+0x58/0x1b8 [ 211.564635][ T6524] vfs_get_tree+0x90/0x278 [ 211.565217][ T6524] do_new_mount+0x228/0x804 [ 211.565731][ T6524] path_mount+0x57c/0xfe8 [ 211.566334][ T6524] __arm64_sys_mount+0x488/0x5f8 [ 211.567015][ T6524] invoke_syscall+0x98/0x28c [ 211.567620][ T6524] el0_svc_common+0x13c/0x258 [ 211.568324][ T6524] do_el0_svc+0x5c/0x140 [ 211.568961][ T6524] el0_svc+0x78/0x1d0 [ 211.569519][ T6524] el0t_64_sync_handler+0xcc/0xe4 [ 211.570244][ T6524] el0t_64_sync+0x1a0/0x1a4 [ 211.571006][ T6524] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 211.572711][ T6524] gfs2: fsid=}: error -17 adding sysfs files [ 211.647163][ T6527] chnl_net:caif_netlink_parms(): no params data found [ 211.664522][ T6527] bridge0: port 1(bridge_slave_0) entered blocking state [ 211.665551][ T6527] bridge0: port 1(bridge_slave_0) entered disabled state [ 211.666930][ T6527] device bridge_slave_0 entered promiscuous mode [ 211.669179][ T6527] bridge0: port 2(bridge_slave_1) entered blocking state [ 211.670227][ T6527] bridge0: port 2(bridge_slave_1) entered disabled state [ 211.671581][ T6527] device bridge_slave_1 entered promiscuous mode [ 211.680909][ T6527] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 211.683118][ T6527] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 211.690598][ T6527] team0: Port device team_slave_0 added [ 211.692460][ T6527] team0: Port device team_slave_1 added [ 211.699247][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 211.700166][ T6527] 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. [ 211.703670][ T6527] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 211.705833][ T6527] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 211.706823][ T6527] 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. [ 211.710515][ T6527] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 211.759724][ T6527] device hsr_slave_0 entered promiscuous mode [ 211.788518][ T6527] device hsr_slave_1 entered promiscuous mode [ 211.828271][ T6527] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 211.829268][ T6527] Cannot create hsr debugfs directory [ 211.868441][ T6527] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 212.025147][ T6527] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 212.312593][ T6527] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 212.353999][ T6527] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 212.480728][ T6527] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 212.512320][ T6527] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 212.554399][ T6527] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 212.599346][ T6527] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 212.644648][ T6527] bridge0: port 2(bridge_slave_1) entered blocking state [ 212.645739][ T6527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 212.647074][ T6527] bridge0: port 1(bridge_slave_0) entered blocking state [ 212.647995][ T6527] bridge0: port 1(bridge_slave_0) entered forwarding state [ 212.663478][ T148] bridge0: port 1(bridge_slave_0) entered disabled state [ 212.664845][ T148] bridge0: port 2(bridge_slave_1) entered disabled state [ 212.672606][ T6527] 8021q: adding VLAN 0 to HW filter on device bond0 [ 212.676709][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 212.678195][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 212.681087][ T6527] 8021q: adding VLAN 0 to HW filter on device team0 [ 212.683248][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 212.684806][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 212.686080][ T148] bridge0: port 1(bridge_slave_0) entered blocking state [ 212.687041][ T148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 212.692151][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 212.693640][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 212.694908][ T148] bridge0: port 2(bridge_slave_1) entered blocking state [ 212.695885][ T148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 212.702269][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 212.705283][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 212.707723][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 212.711322][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 212.712840][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 212.715649][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 212.717227][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 212.721107][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 212.722469][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 212.725391][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 212.726791][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 212.730169][ T6527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 212.768992][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 212.770201][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 212.773619][ T6527] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 212.779764][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 212.781186][ T1620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 212.787540][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 212.789338][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 212.790720][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 212.792014][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 212.794547][ T6527] device veth0_vlan entered promiscuous mode [ 212.797826][ T6527] device veth1_vlan entered promiscuous mode [ 212.809639][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 212.811180][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 212.812652][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 212.813996][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 212.816231][ T6527] device veth0_macvtap entered promiscuous mode [ 212.819304][ T6527] device veth1_macvtap entered promiscuous mode [ 212.823832][ T6527] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 212.825205][ T6527] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 212.826600][ T6527] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 212.827977][ T6527] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 212.829927][ T6527] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 212.831100][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 212.832562][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 212.833978][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 212.835485][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 212.837771][ T6527] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 212.839319][ T6527] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 212.840665][ T6527] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 212.842208][ T6527] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 212.843973][ T6527] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 212.845028][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 212.846561][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 212.849495][ T6527] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.850651][ T6527] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.851715][ T6527] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.852850][ T6527] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 212.874064][ T277] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 212.875257][ T277] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 212.877218][ T277] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 212.885212][ T277] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 212.886412][ T277] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 212.887706][ T277] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 213.102337][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.103323][ T6539] CPU: 0 PID: 6539 Comm: syz.1.618 Not tainted syzkaller #0 [ 213.104228][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.105618][ T6539] Call trace: [ 213.106048][ T6539] dump_backtrace+0x0/0x458 [ 213.106615][ T6539] show_stack+0x2c/0x3c [ 213.107162][ T6539] __dump_stack+0x30/0x40 [ 213.107677][ T6539] dump_stack_lvl+0xf4/0x15c [ 213.108310][ T6539] dump_stack+0x1c/0x5c [ 213.108894][ T6539] sysfs_create_dir_ns+0x244/0x264 [ 213.109699][ T6539] kobject_add_internal+0x594/0xc2c [ 213.110433][ T6539] kobject_init_and_add+0x128/0x194 [ 213.111176][ T6539] gfs2_sys_fs_add+0x208/0x428 [ 213.111815][ T6539] gfs2_fill_super+0xe20/0x1a9c [ 213.112462][ T6539] get_tree_bdev+0x35c/0x54c [ 213.113107][ T6539] gfs2_get_tree+0x58/0x1b8 [ 213.113801][ T6539] vfs_get_tree+0x90/0x278 [ 213.114410][ T6539] do_new_mount+0x228/0x804 [ 213.115055][ T6539] path_mount+0x57c/0xfe8 [ 213.115641][ T6539] __arm64_sys_mount+0x488/0x5f8 [ 213.116289][ T6539] invoke_syscall+0x98/0x28c [ 213.116948][ T6539] el0_svc_common+0x13c/0x258 [ 213.117663][ T6539] do_el0_svc+0x5c/0x140 [ 213.118263][ T6539] el0_svc+0x78/0x1d0 [ 213.118811][ T6539] el0t_64_sync_handler+0xcc/0xe4 [ 213.119527][ T6539] el0t_64_sync+0x1a0/0x1a4 [ 213.120867][ T6539] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.122578][ T6539] gfs2: fsid=}: error -17 adding sysfs files [ 213.303492][ T6542] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.304523][ T6542] CPU: 0 PID: 6542 Comm: syz.1.619 Not tainted syzkaller #0 [ 213.305504][ T6542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.306864][ T6542] Call trace: [ 213.307341][ T6542] dump_backtrace+0x0/0x458 [ 213.308011][ T6542] show_stack+0x2c/0x3c [ 213.308595][ T6542] __dump_stack+0x30/0x40 [ 213.309226][ T6542] dump_stack_lvl+0xf4/0x15c [ 213.309840][ T6542] dump_stack+0x1c/0x5c [ 213.310454][ T6542] sysfs_create_dir_ns+0x244/0x264 [ 213.311252][ T6542] kobject_add_internal+0x594/0xc2c [ 213.312035][ T6542] kobject_init_and_add+0x128/0x194 [ 213.312710][ T6542] gfs2_sys_fs_add+0x208/0x428 [ 213.313386][ T6542] gfs2_fill_super+0xe20/0x1a9c [ 213.314105][ T6542] get_tree_bdev+0x35c/0x54c [ 213.314801][ T6542] gfs2_get_tree+0x58/0x1b8 [ 213.315403][ T6542] vfs_get_tree+0x90/0x278 [ 213.316085][ T6542] do_new_mount+0x228/0x804 [ 213.316743][ T6542] path_mount+0x57c/0xfe8 [ 213.317386][ T6542] __arm64_sys_mount+0x488/0x5f8 [ 213.318046][ T6542] invoke_syscall+0x98/0x28c [ 213.318678][ T6542] el0_svc_common+0x13c/0x258 [ 213.319414][ T6542] do_el0_svc+0x5c/0x140 [ 213.319995][ T6542] el0_svc+0x78/0x1d0 [ 213.320569][ T6542] el0t_64_sync_handler+0xcc/0xe4 [ 213.321386][ T6542] el0t_64_sync+0x1a0/0x1a4 [ 213.322555][ T6542] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.324429][ T6542] gfs2: fsid=}: error -17 adding sysfs files [ 213.585618][ T6545] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.586662][ T6545] CPU: 1 PID: 6545 Comm: syz.1.620 Not tainted syzkaller #0 [ 213.587561][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.588974][ T6545] Call trace: [ 213.589482][ T6545] dump_backtrace+0x0/0x458 [ 213.590115][ T6545] show_stack+0x2c/0x3c [ 213.590686][ T6545] __dump_stack+0x30/0x40 [ 213.591317][ T6545] dump_stack_lvl+0xf4/0x15c [ 213.591939][ T6545] dump_stack+0x1c/0x5c [ 213.592576][ T6545] sysfs_create_dir_ns+0x244/0x264 [ 213.593298][ T6545] kobject_add_internal+0x594/0xc2c [ 213.594014][ T6545] kobject_init_and_add+0x128/0x194 [ 213.594734][ T6545] gfs2_sys_fs_add+0x208/0x428 [ 213.595417][ T6545] gfs2_fill_super+0xe20/0x1a9c [ 213.596145][ T6545] get_tree_bdev+0x35c/0x54c [ 213.596796][ T6545] gfs2_get_tree+0x58/0x1b8 [ 213.597460][ T6545] vfs_get_tree+0x90/0x278 [ 213.598114][ T6545] do_new_mount+0x228/0x804 [ 213.598792][ T6545] path_mount+0x57c/0xfe8 [ 213.599381][ T6545] __arm64_sys_mount+0x488/0x5f8 [ 213.600038][ T6545] invoke_syscall+0x98/0x28c [ 213.600648][ T6545] el0_svc_common+0x13c/0x258 [ 213.601275][ T6545] do_el0_svc+0x5c/0x140 [ 213.601900][ T6545] el0_svc+0x78/0x1d0 [ 213.602476][ T6545] el0t_64_sync_handler+0xcc/0xe4 [ 213.603223][ T6545] el0t_64_sync+0x1a0/0x1a4 [ 213.605326][ T6545] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.607125][ T6545] gfs2: fsid=}: error -17 adding sysfs files 1970/01/01 00:03:33 executed programs: 607 [ 213.688876][ T1540] Bluetooth: hci2: command 0x0409 tx timeout [ 213.723923][ T450] device hsr_slave_0 left promiscuous mode [ 213.758505][ T450] device hsr_slave_1 left promiscuous mode [ 213.782441][ T6548] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.783930][ T6548] CPU: 0 PID: 6548 Comm: syz.1.621 Not tainted syzkaller #0 [ 213.784997][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.786294][ T6548] Call trace: [ 213.786728][ T6548] dump_backtrace+0x0/0x458 [ 213.787382][ T6548] show_stack+0x2c/0x3c [ 213.787943][ T6548] __dump_stack+0x30/0x40 [ 213.788542][ T6548] dump_stack_lvl+0xf4/0x15c [ 213.789245][ T6548] dump_stack+0x1c/0x5c [ 213.789764][ T6548] sysfs_create_dir_ns+0x244/0x264 [ 213.790505][ T6548] kobject_add_internal+0x594/0xc2c [ 213.791210][ T6548] kobject_init_and_add+0x128/0x194 [ 213.791922][ T6548] gfs2_sys_fs_add+0x208/0x428 [ 213.792612][ T6548] gfs2_fill_super+0xe20/0x1a9c [ 213.793304][ T6548] get_tree_bdev+0x35c/0x54c [ 213.793977][ T6548] gfs2_get_tree+0x58/0x1b8 [ 213.794565][ T6548] vfs_get_tree+0x90/0x278 [ 213.795246][ T6548] do_new_mount+0x228/0x804 [ 213.795880][ T6548] path_mount+0x57c/0xfe8 [ 213.796495][ T6548] __arm64_sys_mount+0x488/0x5f8 [ 213.797183][ T6548] invoke_syscall+0x98/0x28c [ 213.797782][ T6548] el0_svc_common+0x13c/0x258 [ 213.798424][ T6548] do_el0_svc+0x5c/0x140 [ 213.799071][ T6548] el0_svc+0x78/0x1d0 [ 213.799651][ T6548] el0t_64_sync_handler+0xcc/0xe4 [ 213.800405][ T6548] el0t_64_sync+0x1a0/0x1a4 [ 213.803469][ T6548] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.805187][ T6548] gfs2: fsid=}: error -17 adding sysfs files [ 213.838363][ T450] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 213.839504][ T450] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 213.841202][ T450] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 213.842250][ T450] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 213.843442][ T450] device bridge_slave_1 left promiscuous mode [ 213.844247][ T450] bridge0: port 2(bridge_slave_1) entered disabled state [ 213.870674][ T450] device bridge_slave_0 left promiscuous mode [ 213.871782][ T450] bridge0: port 1(bridge_slave_0) entered disabled state [ 213.943384][ T6551] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 213.944431][ T6551] CPU: 0 PID: 6551 Comm: syz.1.622 Not tainted syzkaller #0 [ 213.945464][ T6551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 213.946811][ T6551] Call trace: [ 213.947234][ T6551] dump_backtrace+0x0/0x458 [ 213.947879][ T6551] show_stack+0x2c/0x3c [ 213.948405][ T6551] __dump_stack+0x30/0x40 [ 213.948983][ T6551] dump_stack_lvl+0xf4/0x15c [ 213.949640][ T6551] dump_stack+0x1c/0x5c [ 213.950281][ T6551] sysfs_create_dir_ns+0x244/0x264 [ 213.950981][ T6551] kobject_add_internal+0x594/0xc2c [ 213.951680][ T6551] kobject_init_and_add+0x128/0x194 [ 213.952371][ T6551] gfs2_sys_fs_add+0x208/0x428 [ 213.952976][ T6551] gfs2_fill_super+0xe20/0x1a9c [ 213.953653][ T6551] get_tree_bdev+0x35c/0x54c [ 213.954327][ T6551] gfs2_get_tree+0x58/0x1b8 [ 213.954975][ T6551] vfs_get_tree+0x90/0x278 [ 213.955600][ T6551] do_new_mount+0x228/0x804 [ 213.956226][ T6551] path_mount+0x57c/0xfe8 [ 213.956802][ T6551] __arm64_sys_mount+0x488/0x5f8 [ 213.957489][ T6551] invoke_syscall+0x98/0x28c [ 213.958109][ T6551] el0_svc_common+0x13c/0x258 [ 213.958721][ T6551] do_el0_svc+0x5c/0x140 [ 213.959334][ T6551] el0_svc+0x78/0x1d0 [ 213.959869][ T6551] el0t_64_sync_handler+0xcc/0xe4 [ 213.960613][ T6551] el0t_64_sync+0x1a0/0x1a4 [ 213.962757][ T6551] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 213.964439][ T6551] gfs2: fsid=}: error -17 adding sysfs files [ 214.008992][ T450] device veth1_macvtap left promiscuous mode [ 214.009940][ T450] device veth0_macvtap left promiscuous mode [ 214.010796][ T450] device veth1_vlan left promiscuous mode [ 214.011652][ T450] device veth0_vlan left promiscuous mode [ 214.140368][ T6554] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.141379][ T6554] CPU: 0 PID: 6554 Comm: syz.1.623 Not tainted syzkaller #0 [ 214.142332][ T6554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.143772][ T6554] Call trace: [ 214.144205][ T6554] dump_backtrace+0x0/0x458 [ 214.144819][ T6554] show_stack+0x2c/0x3c [ 214.145396][ T6554] __dump_stack+0x30/0x40 [ 214.145998][ T6554] dump_stack_lvl+0xf4/0x15c [ 214.146679][ T6554] dump_stack+0x1c/0x5c [ 214.147284][ T6554] sysfs_create_dir_ns+0x244/0x264 [ 214.148045][ T6554] kobject_add_internal+0x594/0xc2c [ 214.148782][ T6554] kobject_init_and_add+0x128/0x194 [ 214.149584][ T6554] gfs2_sys_fs_add+0x208/0x428 [ 214.150322][ T6554] gfs2_fill_super+0xe20/0x1a9c [ 214.150984][ T6554] get_tree_bdev+0x35c/0x54c [ 214.151587][ T6554] gfs2_get_tree+0x58/0x1b8 [ 214.152184][ T6554] vfs_get_tree+0x90/0x278 [ 214.152827][ T6554] do_new_mount+0x228/0x804 [ 214.153395][ T6554] path_mount+0x57c/0xfe8 [ 214.154046][ T6554] __arm64_sys_mount+0x488/0x5f8 [ 214.154731][ T6554] invoke_syscall+0x98/0x28c [ 214.155353][ T6554] el0_svc_common+0x13c/0x258 [ 214.156024][ T6554] do_el0_svc+0x5c/0x140 [ 214.156613][ T6554] el0_svc+0x78/0x1d0 [ 214.157170][ T6554] el0t_64_sync_handler+0xcc/0xe4 [ 214.157887][ T6554] el0t_64_sync+0x1a0/0x1a4 [ 214.164445][ T450] team0 (unregistering): Port device team_slave_1 removed [ 214.166730][ T6554] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.168904][ T6554] gfs2: fsid=}: error -17 adding sysfs files [ 214.183502][ T450] team0 (unregistering): Port device team_slave_0 removed [ 214.188692][ T450] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 214.250247][ T450] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 214.303780][ T6557] set_capacity_and_notify: 9 callbacks suppressed [ 214.303790][ T6557] loop1: detected capacity change from 0 to 32768 [ 214.311419][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.312413][ T6557] CPU: 1 PID: 6557 Comm: syz.1.624 Not tainted syzkaller #0 [ 214.313363][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.314716][ T6557] Call trace: [ 214.315149][ T6557] dump_backtrace+0x0/0x458 [ 214.315717][ T6557] show_stack+0x2c/0x3c [ 214.316280][ T6557] __dump_stack+0x30/0x40 [ 214.316836][ T6557] dump_stack_lvl+0xf4/0x15c [ 214.317485][ T6557] dump_stack+0x1c/0x5c [ 214.318141][ T6557] sysfs_create_dir_ns+0x244/0x264 [ 214.318843][ T6557] kobject_add_internal+0x594/0xc2c [ 214.319596][ T6557] kobject_init_and_add+0x128/0x194 [ 214.320373][ T6557] gfs2_sys_fs_add+0x208/0x428 [ 214.321108][ T6557] gfs2_fill_super+0xe20/0x1a9c [ 214.321753][ T6557] get_tree_bdev+0x35c/0x54c [ 214.322382][ T6557] gfs2_get_tree+0x58/0x1b8 [ 214.322992][ T6557] vfs_get_tree+0x90/0x278 [ 214.323549][ T6557] do_new_mount+0x228/0x804 [ 214.324153][ T6557] path_mount+0x57c/0xfe8 [ 214.324699][ T6557] __arm64_sys_mount+0x488/0x5f8 [ 214.325425][ T6557] invoke_syscall+0x98/0x28c [ 214.326055][ T6557] el0_svc_common+0x13c/0x258 [ 214.326684][ T6557] do_el0_svc+0x5c/0x140 [ 214.327276][ T6557] el0_svc+0x78/0x1d0 [ 214.327841][ T6557] el0t_64_sync_handler+0xcc/0xe4 [ 214.328579][ T6557] el0t_64_sync+0x1a0/0x1a4 [ 214.331857][ T6557] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.333495][ T6557] gfs2: fsid=}: error -17 adding sysfs files [ 214.382366][ T450] bond0 (unregistering): Released all slaves [ 214.472397][ T6560] loop1: detected capacity change from 0 to 32768 [ 214.480509][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.481466][ T6560] CPU: 1 PID: 6560 Comm: syz.1.625 Not tainted syzkaller #0 [ 214.482430][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.483842][ T6560] Call trace: [ 214.484240][ T6560] dump_backtrace+0x0/0x458 [ 214.484899][ T6560] show_stack+0x2c/0x3c [ 214.485454][ T6560] __dump_stack+0x30/0x40 [ 214.486004][ T6560] dump_stack_lvl+0xf4/0x15c [ 214.486594][ T6560] dump_stack+0x1c/0x5c [ 214.487206][ T6560] sysfs_create_dir_ns+0x244/0x264 [ 214.487857][ T6560] kobject_add_internal+0x594/0xc2c [ 214.488649][ T6560] kobject_init_and_add+0x128/0x194 [ 214.489352][ T6560] gfs2_sys_fs_add+0x208/0x428 [ 214.490051][ T6560] gfs2_fill_super+0xe20/0x1a9c [ 214.490646][ T6560] get_tree_bdev+0x35c/0x54c [ 214.491333][ T6560] gfs2_get_tree+0x58/0x1b8 [ 214.491938][ T6560] vfs_get_tree+0x90/0x278 [ 214.492528][ T6560] do_new_mount+0x228/0x804 [ 214.493105][ T6560] path_mount+0x57c/0xfe8 [ 214.493716][ T6560] __arm64_sys_mount+0x488/0x5f8 [ 214.494373][ T6560] invoke_syscall+0x98/0x28c [ 214.494986][ T6560] el0_svc_common+0x13c/0x258 [ 214.495659][ T6560] do_el0_svc+0x5c/0x140 [ 214.496268][ T6560] el0_svc+0x78/0x1d0 [ 214.496820][ T6560] el0t_64_sync_handler+0xcc/0xe4 [ 214.497546][ T6560] el0t_64_sync+0x1a0/0x1a4 [ 214.506062][ T6560] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.507865][ T6560] gfs2: fsid=}: error -17 adding sysfs files [ 214.678520][ T6563] loop1: detected capacity change from 0 to 32768 [ 214.735614][ T6563] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 214.736659][ T6563] CPU: 0 PID: 6563 Comm: syz.1.626 Not tainted syzkaller #0 [ 214.737606][ T6563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 214.738954][ T6563] Call trace: [ 214.739418][ T6563] dump_backtrace+0x0/0x458 [ 214.740081][ T6563] show_stack+0x2c/0x3c [ 214.740654][ T6563] __dump_stack+0x30/0x40 [ 214.741234][ T6563] dump_stack_lvl+0xf4/0x15c [ 214.741854][ T6563] dump_stack+0x1c/0x5c [ 214.742376][ T6563] sysfs_create_dir_ns+0x244/0x264 [ 214.743139][ T6563] kobject_add_internal+0x594/0xc2c [ 214.743777][ T6563] kobject_init_and_add+0x128/0x194 [ 214.744589][ T6563] gfs2_sys_fs_add+0x208/0x428 [ 214.745228][ T6563] gfs2_fill_super+0xe20/0x1a9c [ 214.745892][ T6563] get_tree_bdev+0x35c/0x54c [ 214.746527][ T6563] gfs2_get_tree+0x58/0x1b8 [ 214.747193][ T6563] vfs_get_tree+0x90/0x278 [ 214.747806][ T6563] do_new_mount+0x228/0x804 [ 214.748416][ T6563] path_mount+0x57c/0xfe8 [ 214.748984][ T6563] __arm64_sys_mount+0x488/0x5f8 [ 214.749689][ T6563] invoke_syscall+0x98/0x28c [ 214.750303][ T6563] el0_svc_common+0x13c/0x258 [ 214.750936][ T6563] do_el0_svc+0x5c/0x140 [ 214.751541][ T6563] el0_svc+0x78/0x1d0 [ 214.752109][ T6563] el0t_64_sync_handler+0xcc/0xe4 [ 214.752758][ T6563] el0t_64_sync+0x1a0/0x1a4 [ 214.754295][ T6563] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 214.755969][ T6563] gfs2: fsid=}: error -17 adding sysfs files [ 214.990810][ T6566] loop1: detected capacity change from 0 to 32768 [ 215.033715][ T6566] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.034729][ T6566] CPU: 1 PID: 6566 Comm: syz.1.627 Not tainted syzkaller #0 [ 215.035700][ T6566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 215.037051][ T6566] Call trace: [ 215.037427][ T6566] dump_backtrace+0x0/0x458 [ 215.038052][ T6566] show_stack+0x2c/0x3c [ 215.038623][ T6566] __dump_stack+0x30/0x40 [ 215.039227][ T6566] dump_stack_lvl+0xf4/0x15c [ 215.039887][ T6566] dump_stack+0x1c/0x5c [ 215.040515][ T6566] sysfs_create_dir_ns+0x244/0x264 [ 215.041219][ T6566] kobject_add_internal+0x594/0xc2c [ 215.041924][ T6566] kobject_init_and_add+0x128/0x194 [ 215.042592][ T6566] gfs2_sys_fs_add+0x208/0x428 [ 215.043294][ T6566] gfs2_fill_super+0xe20/0x1a9c [ 215.043988][ T6566] get_tree_bdev+0x35c/0x54c [ 215.044606][ T6566] gfs2_get_tree+0x58/0x1b8 [ 215.045219][ T6566] vfs_get_tree+0x90/0x278 [ 215.045873][ T6566] do_new_mount+0x228/0x804 [ 215.046519][ T6566] path_mount+0x57c/0xfe8 [ 215.047140][ T6566] __arm64_sys_mount+0x488/0x5f8 [ 215.047861][ T6566] invoke_syscall+0x98/0x28c [ 215.048479][ T6566] el0_svc_common+0x13c/0x258 [ 215.049107][ T6566] do_el0_svc+0x5c/0x140 [ 215.049685][ T6566] el0_svc+0x78/0x1d0 [ 215.050233][ T6566] el0t_64_sync_handler+0xcc/0xe4 [ 215.050892][ T6566] el0t_64_sync+0x1a0/0x1a4 [ 215.053029][ T6566] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.054795][ T6566] gfs2: fsid=}: error -17 adding sysfs files [ 215.188831][ T6569] loop1: detected capacity change from 0 to 32768 [ 215.194853][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.195828][ T6569] CPU: 0 PID: 6569 Comm: syz.1.628 Not tainted syzkaller #0 [ 215.196819][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 215.198270][ T6569] Call trace: [ 215.198714][ T6569] dump_backtrace+0x0/0x458 [ 215.199336][ T6569] show_stack+0x2c/0x3c [ 215.199905][ T6569] __dump_stack+0x30/0x40 [ 215.200520][ T6569] dump_stack_lvl+0xf4/0x15c [ 215.201123][ T6569] dump_stack+0x1c/0x5c [ 215.201642][ T6569] sysfs_create_dir_ns+0x244/0x264 [ 215.202251][ T6569] kobject_add_internal+0x594/0xc2c [ 215.202967][ T6569] kobject_init_and_add+0x128/0x194 [ 215.203635][ T6569] gfs2_sys_fs_add+0x208/0x428 [ 215.204253][ T6569] gfs2_fill_super+0xe20/0x1a9c [ 215.204864][ T6569] get_tree_bdev+0x35c/0x54c [ 215.205424][ T6569] gfs2_get_tree+0x58/0x1b8 [ 215.205969][ T6569] vfs_get_tree+0x90/0x278 [ 215.206558][ T6569] do_new_mount+0x228/0x804 [ 215.207151][ T6569] path_mount+0x57c/0xfe8 [ 215.207768][ T6569] __arm64_sys_mount+0x488/0x5f8 [ 215.208456][ T6569] invoke_syscall+0x98/0x28c [ 215.209122][ T6569] el0_svc_common+0x13c/0x258 [ 215.209817][ T6569] do_el0_svc+0x5c/0x140 [ 215.210371][ T6569] el0_svc+0x78/0x1d0 [ 215.210899][ T6569] el0t_64_sync_handler+0xcc/0xe4 [ 215.211613][ T6569] el0t_64_sync+0x1a0/0x1a4 [ 215.212503][ T6569] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.214055][ T6569] gfs2: fsid=}: error -17 adding sysfs files [ 215.415287][ T6572] loop1: detected capacity change from 0 to 32768 [ 215.463550][ T6572] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.464563][ T6572] CPU: 1 PID: 6572 Comm: syz.1.629 Not tainted syzkaller #0 [ 215.465578][ T6572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 215.466886][ T6572] Call trace: [ 215.467280][ T6572] dump_backtrace+0x0/0x458 [ 215.467934][ T6572] show_stack+0x2c/0x3c [ 215.468518][ T6572] __dump_stack+0x30/0x40 [ 215.469170][ T6572] dump_stack_lvl+0xf4/0x15c [ 215.469715][ T6572] dump_stack+0x1c/0x5c [ 215.470363][ T6572] sysfs_create_dir_ns+0x244/0x264 [ 215.471054][ T6572] kobject_add_internal+0x594/0xc2c [ 215.471753][ T6572] kobject_init_and_add+0x128/0x194 [ 215.472500][ T6572] gfs2_sys_fs_add+0x208/0x428 [ 215.473181][ T6572] gfs2_fill_super+0xe20/0x1a9c [ 215.473790][ T6572] get_tree_bdev+0x35c/0x54c [ 215.474402][ T6572] gfs2_get_tree+0x58/0x1b8 [ 215.475069][ T6572] vfs_get_tree+0x90/0x278 [ 215.475685][ T6572] do_new_mount+0x228/0x804 [ 215.476297][ T6572] path_mount+0x57c/0xfe8 [ 215.476941][ T6572] __arm64_sys_mount+0x488/0x5f8 [ 215.477681][ T6572] invoke_syscall+0x98/0x28c [ 215.478317][ T6572] el0_svc_common+0x13c/0x258 [ 215.478962][ T6572] do_el0_svc+0x5c/0x140 [ 215.479543][ T6572] el0_svc+0x78/0x1d0 [ 215.480109][ T6572] el0t_64_sync_handler+0xcc/0xe4 [ 215.480815][ T6572] el0t_64_sync+0x1a0/0x1a4 [ 215.482446][ T6572] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.484155][ T6572] gfs2: fsid=}: error -17 adding sysfs files [ 215.629584][ T6575] loop1: detected capacity change from 0 to 32768 [ 215.645257][ T6575] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.646415][ T6575] CPU: 1 PID: 6575 Comm: syz.1.630 Not tainted syzkaller #0 [ 215.647427][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 215.648757][ T6575] Call trace: [ 215.649232][ T6575] dump_backtrace+0x0/0x458 [ 215.649879][ T6575] show_stack+0x2c/0x3c [ 215.650516][ T6575] __dump_stack+0x30/0x40 [ 215.651109][ T6575] dump_stack_lvl+0xf4/0x15c [ 215.651710][ T6575] dump_stack+0x1c/0x5c [ 215.652339][ T6575] sysfs_create_dir_ns+0x244/0x264 [ 215.653077][ T6575] kobject_add_internal+0x594/0xc2c [ 215.653787][ T6575] kobject_init_and_add+0x128/0x194 [ 215.654487][ T6575] gfs2_sys_fs_add+0x208/0x428 [ 215.655171][ T6575] gfs2_fill_super+0xe20/0x1a9c [ 215.655762][ T6575] get_tree_bdev+0x35c/0x54c [ 215.656383][ T6575] gfs2_get_tree+0x58/0x1b8 [ 215.657063][ T6575] vfs_get_tree+0x90/0x278 [ 215.657670][ T6575] do_new_mount+0x228/0x804 [ 215.658250][ T6575] path_mount+0x57c/0xfe8 [ 215.658877][ T6575] __arm64_sys_mount+0x488/0x5f8 [ 215.659628][ T6575] invoke_syscall+0x98/0x28c [ 215.660317][ T6575] el0_svc_common+0x13c/0x258 [ 215.660914][ T6575] do_el0_svc+0x5c/0x140 [ 215.661626][ T6575] el0_svc+0x78/0x1d0 [ 215.662269][ T6575] el0t_64_sync_handler+0xcc/0xe4 [ 215.662950][ T6575] el0t_64_sync+0x1a0/0x1a4 [ 215.665885][ T6575] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.667756][ T6575] gfs2: fsid=}: error -17 adding sysfs files [ 215.769797][ T4112] Bluetooth: hci2: command 0x041b tx timeout [ 215.841882][ T6578] loop1: detected capacity change from 0 to 32768 [ 215.922075][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 215.923123][ T6578] CPU: 0 PID: 6578 Comm: syz.1.631 Not tainted syzkaller #0 [ 215.924096][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 215.925461][ T6578] Call trace: [ 215.925894][ T6578] dump_backtrace+0x0/0x458 [ 215.926657][ T6578] show_stack+0x2c/0x3c [ 215.927228][ T6578] __dump_stack+0x30/0x40 [ 215.927922][ T6578] dump_stack_lvl+0xf4/0x15c [ 215.928574][ T6578] dump_stack+0x1c/0x5c [ 215.929174][ T6578] sysfs_create_dir_ns+0x244/0x264 [ 215.929863][ T6578] kobject_add_internal+0x594/0xc2c [ 215.930695][ T6578] kobject_init_and_add+0x128/0x194 [ 215.931408][ T6578] gfs2_sys_fs_add+0x208/0x428 [ 215.932157][ T6578] gfs2_fill_super+0xe20/0x1a9c [ 215.932866][ T6578] get_tree_bdev+0x35c/0x54c [ 215.933466][ T6578] gfs2_get_tree+0x58/0x1b8 [ 215.934019][ T6578] vfs_get_tree+0x90/0x278 [ 215.934664][ T6578] do_new_mount+0x228/0x804 [ 215.935257][ T6578] path_mount+0x57c/0xfe8 [ 215.935787][ T6578] __arm64_sys_mount+0x488/0x5f8 [ 215.936496][ T6578] invoke_syscall+0x98/0x28c [ 215.937216][ T6578] el0_svc_common+0x13c/0x258 [ 215.937874][ T6578] do_el0_svc+0x5c/0x140 [ 215.938504][ T6578] el0_svc+0x78/0x1d0 [ 215.939115][ T6578] el0t_64_sync_handler+0xcc/0xe4 [ 215.939805][ T6578] el0t_64_sync+0x1a0/0x1a4 [ 215.942515][ T6578] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 215.944389][ T6578] gfs2: fsid=}: error -17 adding sysfs files [ 216.075284][ T6581] loop1: detected capacity change from 0 to 32768 [ 216.153236][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.154265][ T6581] CPU: 0 PID: 6581 Comm: syz.1.632 Not tainted syzkaller #0 [ 216.155245][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.156527][ T6581] Call trace: [ 216.156995][ T6581] dump_backtrace+0x0/0x458 [ 216.157604][ T6581] show_stack+0x2c/0x3c [ 216.158191][ T6581] __dump_stack+0x30/0x40 [ 216.158766][ T6581] dump_stack_lvl+0xf4/0x15c [ 216.159446][ T6581] dump_stack+0x1c/0x5c [ 216.160016][ T6581] sysfs_create_dir_ns+0x244/0x264 [ 216.160786][ T6581] kobject_add_internal+0x594/0xc2c [ 216.161493][ T6581] kobject_init_and_add+0x128/0x194 [ 216.162216][ T6581] gfs2_sys_fs_add+0x208/0x428 [ 216.162886][ T6581] gfs2_fill_super+0xe20/0x1a9c [ 216.163499][ T6581] get_tree_bdev+0x35c/0x54c [ 216.164142][ T6581] gfs2_get_tree+0x58/0x1b8 [ 216.164754][ T6581] vfs_get_tree+0x90/0x278 [ 216.165327][ T6581] do_new_mount+0x228/0x804 [ 216.165987][ T6581] path_mount+0x57c/0xfe8 [ 216.166622][ T6581] __arm64_sys_mount+0x488/0x5f8 [ 216.167283][ T6581] invoke_syscall+0x98/0x28c [ 216.167941][ T6581] el0_svc_common+0x13c/0x258 [ 216.168564][ T6581] do_el0_svc+0x5c/0x140 [ 216.169170][ T6581] el0_svc+0x78/0x1d0 [ 216.169734][ T6581] el0t_64_sync_handler+0xcc/0xe4 [ 216.170432][ T6581] el0t_64_sync+0x1a0/0x1a4 [ 216.172478][ T6581] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.174165][ T6581] gfs2: fsid=}: error -17 adding sysfs files [ 216.314869][ T6584] loop1: detected capacity change from 0 to 32768 [ 216.358382][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.359431][ T6584] CPU: 0 PID: 6584 Comm: syz.1.633 Not tainted syzkaller #0 [ 216.360429][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.361750][ T6584] Call trace: [ 216.362190][ T6584] dump_backtrace+0x0/0x458 [ 216.362775][ T6584] show_stack+0x2c/0x3c [ 216.363408][ T6584] __dump_stack+0x30/0x40 [ 216.364007][ T6584] dump_stack_lvl+0xf4/0x15c [ 216.364548][ T6584] dump_stack+0x1c/0x5c [ 216.365112][ T6584] sysfs_create_dir_ns+0x244/0x264 [ 216.365751][ T6584] kobject_add_internal+0x594/0xc2c [ 216.366416][ T6584] kobject_init_and_add+0x128/0x194 [ 216.367181][ T6584] gfs2_sys_fs_add+0x208/0x428 [ 216.367801][ T6584] gfs2_fill_super+0xe20/0x1a9c [ 216.368418][ T6584] get_tree_bdev+0x35c/0x54c [ 216.369063][ T6584] gfs2_get_tree+0x58/0x1b8 [ 216.369730][ T6584] vfs_get_tree+0x90/0x278 [ 216.370309][ T6584] do_new_mount+0x228/0x804 [ 216.370902][ T6584] path_mount+0x57c/0xfe8 [ 216.371469][ T6584] __arm64_sys_mount+0x488/0x5f8 [ 216.372137][ T6584] invoke_syscall+0x98/0x28c [ 216.372759][ T6584] el0_svc_common+0x13c/0x258 [ 216.373399][ T6584] do_el0_svc+0x5c/0x140 [ 216.373961][ T6584] el0_svc+0x78/0x1d0 [ 216.374478][ T6584] el0t_64_sync_handler+0xcc/0xe4 [ 216.375137][ T6584] el0t_64_sync+0x1a0/0x1a4 [ 216.377412][ T6584] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.380218][ T6584] gfs2: fsid=}: error -17 adding sysfs files [ 216.549751][ T6587] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.550858][ T6587] CPU: 1 PID: 6587 Comm: syz.1.634 Not tainted syzkaller #0 [ 216.551792][ T6587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.553095][ T6587] Call trace: [ 216.553506][ T6587] dump_backtrace+0x0/0x458 [ 216.554163][ T6587] show_stack+0x2c/0x3c [ 216.554702][ T6587] __dump_stack+0x30/0x40 [ 216.555299][ T6587] dump_stack_lvl+0xf4/0x15c [ 216.555912][ T6587] dump_stack+0x1c/0x5c [ 216.556546][ T6587] sysfs_create_dir_ns+0x244/0x264 [ 216.557230][ T6587] kobject_add_internal+0x594/0xc2c [ 216.558008][ T6587] kobject_init_and_add+0x128/0x194 [ 216.558696][ T6587] gfs2_sys_fs_add+0x208/0x428 [ 216.559329][ T6587] gfs2_fill_super+0xe20/0x1a9c [ 216.559974][ T6587] get_tree_bdev+0x35c/0x54c [ 216.560617][ T6587] gfs2_get_tree+0x58/0x1b8 [ 216.561252][ T6587] vfs_get_tree+0x90/0x278 [ 216.561767][ T6587] do_new_mount+0x228/0x804 [ 216.562383][ T6587] path_mount+0x57c/0xfe8 [ 216.562986][ T6587] __arm64_sys_mount+0x488/0x5f8 [ 216.563754][ T6587] invoke_syscall+0x98/0x28c [ 216.564423][ T6587] el0_svc_common+0x13c/0x258 [ 216.565032][ T6587] do_el0_svc+0x5c/0x140 [ 216.565641][ T6587] el0_svc+0x78/0x1d0 [ 216.566198][ T6587] el0t_64_sync_handler+0xcc/0xe4 [ 216.566898][ T6587] el0t_64_sync+0x1a0/0x1a4 [ 216.568077][ T6587] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.570242][ T6587] gfs2: fsid=}: error -17 adding sysfs files [ 216.744297][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.745248][ T6590] CPU: 0 PID: 6590 Comm: syz.1.635 Not tainted syzkaller #0 [ 216.746248][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.747559][ T6590] Call trace: [ 216.747994][ T6590] dump_backtrace+0x0/0x458 [ 216.748717][ T6590] show_stack+0x2c/0x3c [ 216.749323][ T6590] __dump_stack+0x30/0x40 [ 216.749951][ T6590] dump_stack_lvl+0xf4/0x15c [ 216.750598][ T6590] dump_stack+0x1c/0x5c [ 216.751168][ T6590] sysfs_create_dir_ns+0x244/0x264 [ 216.751892][ T6590] kobject_add_internal+0x594/0xc2c [ 216.752654][ T6590] kobject_init_and_add+0x128/0x194 [ 216.753307][ T6590] gfs2_sys_fs_add+0x208/0x428 [ 216.753905][ T6590] gfs2_fill_super+0xe20/0x1a9c [ 216.754576][ T6590] get_tree_bdev+0x35c/0x54c [ 216.755259][ T6590] gfs2_get_tree+0x58/0x1b8 [ 216.755848][ T6590] vfs_get_tree+0x90/0x278 [ 216.756438][ T6590] do_new_mount+0x228/0x804 [ 216.757039][ T6590] path_mount+0x57c/0xfe8 [ 216.757601][ T6590] __arm64_sys_mount+0x488/0x5f8 [ 216.758255][ T6590] invoke_syscall+0x98/0x28c [ 216.758886][ T6590] el0_svc_common+0x13c/0x258 [ 216.759524][ T6590] do_el0_svc+0x5c/0x140 [ 216.760105][ T6590] el0_svc+0x78/0x1d0 [ 216.760633][ T6590] el0t_64_sync_handler+0xcc/0xe4 [ 216.761333][ T6590] el0t_64_sync+0x1a0/0x1a4 [ 216.763403][ T6590] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.765131][ T6590] gfs2: fsid=}: error -17 adding sysfs files [ 216.905730][ T6593] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 216.906819][ T6593] CPU: 0 PID: 6593 Comm: syz.1.636 Not tainted syzkaller #0 [ 216.907773][ T6593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 216.909113][ T6593] Call trace: [ 216.909570][ T6593] dump_backtrace+0x0/0x458 [ 216.910194][ T6593] show_stack+0x2c/0x3c [ 216.910782][ T6593] __dump_stack+0x30/0x40 [ 216.911399][ T6593] dump_stack_lvl+0xf4/0x15c [ 216.911926][ T6593] dump_stack+0x1c/0x5c [ 216.912488][ T6593] sysfs_create_dir_ns+0x244/0x264 [ 216.913161][ T6593] kobject_add_internal+0x594/0xc2c [ 216.913880][ T6593] kobject_init_and_add+0x128/0x194 [ 216.914576][ T6593] gfs2_sys_fs_add+0x208/0x428 [ 216.915173][ T6593] gfs2_fill_super+0xe20/0x1a9c [ 216.915790][ T6593] get_tree_bdev+0x35c/0x54c [ 216.916398][ T6593] gfs2_get_tree+0x58/0x1b8 [ 216.917004][ T6593] vfs_get_tree+0x90/0x278 [ 216.917634][ T6593] do_new_mount+0x228/0x804 [ 216.918278][ T6593] path_mount+0x57c/0xfe8 [ 216.918869][ T6593] __arm64_sys_mount+0x488/0x5f8 [ 216.919552][ T6593] invoke_syscall+0x98/0x28c [ 216.920168][ T6593] el0_svc_common+0x13c/0x258 [ 216.920852][ T6593] do_el0_svc+0x5c/0x140 [ 216.921458][ T6593] el0_svc+0x78/0x1d0 [ 216.922005][ T6593] el0t_64_sync_handler+0xcc/0xe4 [ 216.922675][ T6593] el0t_64_sync+0x1a0/0x1a4 [ 216.925777][ T6593] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 216.927609][ T6593] gfs2: fsid=}: error -17 adding sysfs files [ 217.109423][ T6596] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.110504][ T6596] CPU: 1 PID: 6596 Comm: syz.1.637 Not tainted syzkaller #0 [ 217.111545][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 217.112848][ T6596] Call trace: [ 217.113316][ T6596] dump_backtrace+0x0/0x458 [ 217.113937][ T6596] show_stack+0x2c/0x3c [ 217.114490][ T6596] __dump_stack+0x30/0x40 [ 217.115017][ T6596] dump_stack_lvl+0xf4/0x15c [ 217.115728][ T6596] dump_stack+0x1c/0x5c [ 217.116290][ T6596] sysfs_create_dir_ns+0x244/0x264 [ 217.116958][ T6596] kobject_add_internal+0x594/0xc2c [ 217.117693][ T6596] kobject_init_and_add+0x128/0x194 [ 217.118461][ T6596] gfs2_sys_fs_add+0x208/0x428 [ 217.119147][ T6596] gfs2_fill_super+0xe20/0x1a9c [ 217.119784][ T6596] get_tree_bdev+0x35c/0x54c [ 217.120467][ T6596] gfs2_get_tree+0x58/0x1b8 [ 217.121141][ T6596] vfs_get_tree+0x90/0x278 [ 217.121742][ T6596] do_new_mount+0x228/0x804 [ 217.122386][ T6596] path_mount+0x57c/0xfe8 [ 217.123055][ T6596] __arm64_sys_mount+0x488/0x5f8 [ 217.123702][ T6596] invoke_syscall+0x98/0x28c [ 217.124308][ T6596] el0_svc_common+0x13c/0x258 [ 217.124941][ T6596] do_el0_svc+0x5c/0x140 [ 217.125502][ T6596] el0_svc+0x78/0x1d0 [ 217.126052][ T6596] el0t_64_sync_handler+0xcc/0xe4 [ 217.126784][ T6596] el0t_64_sync+0x1a0/0x1a4 [ 217.129825][ T6596] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.131609][ T6596] gfs2: fsid=}: error -17 adding sysfs files [ 217.299421][ T6599] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.300522][ T6599] CPU: 0 PID: 6599 Comm: syz.1.638 Not tainted syzkaller #0 [ 217.301542][ T6599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 217.302911][ T6599] Call trace: [ 217.303366][ T6599] dump_backtrace+0x0/0x458 [ 217.304006][ T6599] show_stack+0x2c/0x3c [ 217.304618][ T6599] __dump_stack+0x30/0x40 [ 217.305160][ T6599] dump_stack_lvl+0xf4/0x15c [ 217.305829][ T6599] dump_stack+0x1c/0x5c [ 217.306391][ T6599] sysfs_create_dir_ns+0x244/0x264 [ 217.307018][ T6599] kobject_add_internal+0x594/0xc2c [ 217.307677][ T6599] kobject_init_and_add+0x128/0x194 [ 217.308431][ T6599] gfs2_sys_fs_add+0x208/0x428 [ 217.309077][ T6599] gfs2_fill_super+0xe20/0x1a9c [ 217.309777][ T6599] get_tree_bdev+0x35c/0x54c [ 217.310449][ T6599] gfs2_get_tree+0x58/0x1b8 [ 217.311055][ T6599] vfs_get_tree+0x90/0x278 [ 217.311591][ T6599] do_new_mount+0x228/0x804 [ 217.312225][ T6599] path_mount+0x57c/0xfe8 [ 217.312843][ T6599] __arm64_sys_mount+0x488/0x5f8 [ 217.313432][ T6599] invoke_syscall+0x98/0x28c [ 217.314072][ T6599] el0_svc_common+0x13c/0x258 [ 217.314692][ T6599] do_el0_svc+0x5c/0x140 [ 217.315240][ T6599] el0_svc+0x78/0x1d0 [ 217.315801][ T6599] el0t_64_sync_handler+0xcc/0xe4 [ 217.316514][ T6599] el0t_64_sync+0x1a0/0x1a4 [ 217.317739][ T6599] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.319778][ T6599] gfs2: fsid=}: error -17 adding sysfs files [ 217.448450][ T27] INFO: task syz-executor:4565 blocked for more than 143 seconds. [ 217.449620][ T27] Not tainted syzkaller #0 [ 217.450326][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.451473][ T27] task:syz-executor state:D stack: 0 pid: 4565 ppid: 1 flags:0x00000001 [ 217.452824][ T27] Call trace: [ 217.453282][ T27] __switch_to+0x2f4/0x540 [ 217.453850][ T27] __schedule+0xe20/0x1c6c [ 217.454496][ T27] schedule+0x11c/0x1c8 [ 217.455037][ T27] bit_wait+0x1c/0xac [ 217.455552][ T27] out_of_line_wait_on_bit+0x16c/0x218 [ 217.456303][ T27] gfs2_glock_nq+0x8dc/0x13d0 [ 217.456977][ T27] __gfs2_lookup+0x120/0x28c [ 217.457635][ T27] gfs2_lookup+0x2c/0x3c [ 217.459573][ T27] __lookup_slow+0x25c/0x39c [ 217.460212][ T27] lookup_slow+0x60/0x84 [ 217.460799][ T27] walk_component+0x2b8/0x3b8 [ 217.461391][ T27] path_lookupat+0x168/0x3f0 [ 217.462019][ T27] filename_lookup+0x1c8/0x478 [ 217.462628][ T27] user_path_at_empty+0x5c/0x1a0 [ 217.464714][ T27] __arm64_sys_umount+0xf8/0x184 [ 217.465379][ T27] invoke_syscall+0x98/0x28c [ 217.465986][ T27] el0_svc_common+0x13c/0x258 [ 217.466633][ T27] do_el0_svc+0x5c/0x140 [ 217.467171][ T27] el0_svc+0x78/0x1d0 [ 217.467727][ T27] el0t_64_sync_handler+0xcc/0xe4 [ 217.469900][ T27] el0t_64_sync+0x1a0/0x1a4 [ 217.470612][ T27] [ 217.470612][ T27] Showing all locks held in the system: [ 217.471605][ T27] 2 locks held by kworker/u4:0/9: [ 217.472275][ T27] #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 217.475190][ T27] #1: ffff80001b4f7c40 (connector_reaper_work){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 217.476702][ T27] 1 lock held by khungtaskd/27: [ 217.477520][ T27] #0: ffff800014561460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 217.480125][ T27] 2 locks held by kworker/u4:4/450: [ 217.480312][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/}' [ 217.481841][ T6602] CPU: 1 PID: 6602 Comm: syz.1.639 Not tainted syzkaller #0 [ 217.482837][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 217.484069][ T6602] Call trace: [ 217.484501][ T6602] dump_backtrace+0x0/0x458 [ 217.485071][ T6602] show_stack+0x2c/0x3c [ 217.485660][ T6602] __dump_stack+0x30/0x40 [ 217.486285][ T6602] dump_stack_lvl+0xf4/0x15c [ 217.486851][ T6602] dump_stack+0x1c/0x5c [ 217.487420][ T6602] sysfs_create_dir_ns+0x244/0x264 [ 217.487745][ T27] #0: ffff0000c0029138 [ 217.488057][ T6602] kobject_add_internal+0x594/0xc2c [ 217.489325][ T6602] kobject_init_and_add+0x128/0x194 [ 217.490031][ T6602] gfs2_sys_fs_add+0x208/0x428 [ 217.490071][ T27] ((wq_completion)events_unbound [ 217.490652][ T6602] gfs2_fill_super+0xe20/0x1a9c [ 217.491374][ T27] ){+.+.}-{0:0} [ 217.491965][ T6602] get_tree_bdev+0x35c/0x54c [ 217.491967][ T27] , at: process_one_work+0x67c/0x1178 [ 217.491985][ T27] #1: [ 217.492418][ T6602] gfs2_get_tree+0x58/0x1b8 [ 217.493075][ T27] ffff80001fcf7c40 [ 217.493798][ T6602] vfs_get_tree+0x90/0x278 [ 217.494204][ T27] ( [ 217.494740][ T6602] do_new_mount+0x228/0x804 [ 217.495254][ T27] (reaper_work).work [ 217.495810][ T6602] path_mount+0x57c/0xfe8 [ 217.495827][ T6602] __arm64_sys_mount+0x488/0x5f8 [ 217.495840][ T6602] invoke_syscall+0x98/0x28c [ 217.499013][ T6602] el0_svc_common+0x13c/0x258 [ 217.499686][ T6602] do_el0_svc+0x5c/0x140 [ 217.500269][ T6602] el0_svc+0x78/0x1d0 [ 217.500762][ T6602] el0t_64_sync_handler+0xcc/0xe4 [ 217.501430][ T6602] el0t_64_sync+0x1a0/0x1a4 [ 217.502135][ T6602] kobject_add_internal failed for } with -EEXIST, don't try to register things with the same name in the same directory. [ 217.503725][ T6602] gfs2: fsid=}: error -17 adding sysfs files [ 217.506355][ T27] ){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 217.507344][ T27] 2 locks held by getty/3803: [ 217.507950][ T27] #0: ffff0000d4cfa098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 217.510727][ T27] #1: ffff80001bf7e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf90 [ 217.512110][ T27] 3 locks held by kworker/0:11/4499: [ 217.512844][ T27] #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x67c/0x1178 [ 217.514281][ T27] #1: ffff80001fac7c40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6c0/0x1178 [ 217.516281][ T27] #2: ffff0000d5446240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1d8/0x27c4 [ 217.517737][ T27] 1 lock held by syz-executor/4565: [ 217.518851][ T27] #0: ffff0000ee83b0c8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 [ 217.520341][ T27] 2 locks held by udevd/4699: [ 217.520955][ T27] #0: ffff0000cbb3c118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xdc/0x6c4 [ 217.522264][ T27] #1: ffff0000cbc7a468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa0/0x988 [ 217.523535][ T27] 1 lock held by syz.1.640/6605: [ 217.524283][ T27] [ 217.524575][ T27] ============================================= [ 217.524575][ T27] [ 217.525596][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 217.526540][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 217.527487][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 217.528715][ T27] Call trace: [ 217.529100][ T27] dump_backtrace+0x0/0x458 [ 217.529770][ T27] show_stack+0x2c/0x3c [ 217.530340][ T27] __dump_stack+0x30/0x40 [ 217.530901][ T27] dump_stack_lvl+0xf4/0x15c [ 217.531513][ T27] dump_stack+0x1c/0x5c [ 217.532117][ T27] panic+0x2fc/0x860 [ 217.532725][ T27] hung_task_panic+0x0/0x2c [ 217.533369][ T27] kthread+0x37c/0x460 [ 217.534037][ T27] ret_from_fork+0x10/0x20 [ 217.534631][ T27] SMP: stopping secondary CPUs [ 217.535320][ T27] Kernel Offset: disabled [ 217.535922][ T27] CPU features: 0xa,000003c1,7d33ffd9 [ 217.536654][ T27] Memory Limit: none [ 217.865558][ T27] Rebooting in 86400 seconds..