28d/0x1f50 [ 238.260198][ T6257] loop2: detected capacity change from 0 to 32768 [ 238.261446][ T6259] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.272853][ T6259] ? preempt_count_add+0x8d/0x190 [ 238.277915][ T6259] ? sb_set_blocksize+0xa5/0xe0 [ 238.282779][ T6259] get_tree_bdev+0x3f1/0x610 [ 238.287389][ T6259] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.292430][ T6259] gfs2_get_tree+0x4d/0x1e0 [ 238.294030][ T6255] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 238.296943][ T6259] vfs_get_tree+0x88/0x270 [ 238.309393][ T6259] do_new_mount+0x24a/0xa40 [ 238.310041][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 238.313904][ T6259] __se_sys_mount+0x2d6/0x3c0 [ 238.313932][ T6259] ? __x64_sys_mount+0xc0/0xc0 [ 238.313951][ T6259] ? lockdep_hardirqs_on+0x94/0x140 [ 238.313968][ T6259] ? __x64_sys_mount+0x1c/0xc0 [ 238.341441][ T6259] do_syscall_64+0x4c/0xa0 [ 238.345910][ T6259] ? clear_bhb_loop+0x30/0x80 [ 238.350595][ T6259] ? clear_bhb_loop+0x30/0x80 [ 238.355281][ T6259] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 238.361179][ T6259] RIP: 0033:0x7f8aec84010a [ 238.365589][ T6259] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 238.385206][ T6259] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 238.393733][ T6259] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 238.401718][ T6259] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 238.409693][ T6259] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 238.417667][ T6259] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 238.425638][ T6259] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 238.433626][ T6259] [ 238.441632][ T6253] CPU: 1 PID: 6253 Comm: syz.1.277 Not tainted syzkaller #0 [ 238.448965][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 238.450131][ T6259] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 238.459018][ T6253] Call Trace: [ 238.459027][ T6253] [ 238.459034][ T6253] dump_stack_lvl+0x168/0x230 [ 238.459061][ T6253] ? show_regs_print_info+0x20/0x20 [ 238.459079][ T6253] ? load_image+0x3b0/0x3b0 [ 238.459106][ T6253] sysfs_create_dir_ns+0x252/0x280 [ 238.473142][ T6259] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 238.476257][ T6253] ? __lock_acquire+0x7c60/0x7c60 [ 238.510768][ T6253] ? sysfs_warn_dup+0xa0/0xa0 [ 238.515450][ T6253] ? do_raw_spin_unlock+0x11d/0x230 [ 238.520659][ T6253] kobject_add_internal+0x662/0xd00 [ 238.525878][ T6253] kobject_init_and_add+0x122/0x190 [ 238.531082][ T6253] ? lockdep_softirqs_off+0x420/0x420 [ 238.536460][ T6253] ? kobject_add+0x210/0x210 [ 238.541050][ T6253] ? __init_swait_queue_head+0xa5/0x150 [ 238.546683][ T6253] gfs2_sys_fs_add+0x234/0x480 [ 238.551445][ T6253] ? gfs2_recover_set+0x240/0x240 [ 238.556467][ T6253] ? snprintf+0xd7/0x120 [ 238.560748][ T6253] ? __free_pages+0x95/0x1a0 [ 238.565333][ T6253] ? vscnprintf+0x80/0x80 [ 238.569679][ T6253] gfs2_fill_super+0x128d/0x1f50 [ 238.574646][ T6253] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.579670][ T6253] ? preempt_count_add+0x8d/0x190 [ 238.584751][ T6253] ? sb_set_blocksize+0xa5/0xe0 [ 238.589607][ T6253] get_tree_bdev+0x3f1/0x610 [ 238.594197][ T6253] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.599212][ T6253] gfs2_get_tree+0x4d/0x1e0 [ 238.603753][ T6253] vfs_get_tree+0x88/0x270 [ 238.608174][ T6253] do_new_mount+0x24a/0xa40 [ 238.612675][ T6253] __se_sys_mount+0x2d6/0x3c0 [ 238.617354][ T6253] ? __x64_sys_mount+0xc0/0xc0 [ 238.622125][ T6253] ? lockdep_hardirqs_on+0x94/0x140 [ 238.627316][ T6253] ? __x64_sys_mount+0x1c/0xc0 [ 238.632070][ T6253] do_syscall_64+0x4c/0xa0 [ 238.636471][ T6253] ? clear_bhb_loop+0x30/0x80 [ 238.641133][ T6253] ? clear_bhb_loop+0x30/0x80 [ 238.645803][ T6253] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 238.651698][ T6253] RIP: 0033:0x7f370392d10a [ 238.656109][ T6253] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 238.675767][ T6253] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 238.684180][ T6253] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 238.692149][ T6253] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 238.700111][ T6253] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 238.708073][ T6253] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 238.716041][ T6253] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 238.724038][ T6253] [ 238.729617][ T6255] CPU: 0 PID: 6255 Comm: syz.5.276 Not tainted syzkaller #0 [ 238.736920][ T6255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 238.742470][ T6253] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 238.747060][ T6255] Call Trace: [ 238.747074][ T6255] [ 238.762917][ T6253] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 238.764129][ T6255] dump_stack_lvl+0x168/0x230 [ 238.778985][ T6255] ? show_regs_print_info+0x20/0x20 [ 238.784199][ T6255] ? load_image+0x3b0/0x3b0 [ 238.788741][ T6255] sysfs_create_dir_ns+0x252/0x280 [ 238.793871][ T6255] ? __lock_acquire+0x7c60/0x7c60 [ 238.798901][ T6255] ? sysfs_warn_dup+0xa0/0xa0 [ 238.803595][ T6255] ? do_raw_spin_unlock+0x11d/0x230 [ 238.808822][ T6255] kobject_add_internal+0x662/0xd00 [ 238.814031][ T6255] kobject_init_and_add+0x122/0x190 [ 238.819238][ T6255] ? lockdep_softirqs_off+0x420/0x420 [ 238.824752][ T6255] ? kobject_add+0x210/0x210 [ 238.829351][ T6255] ? __init_swait_queue_head+0xa5/0x150 [ 238.834906][ T6255] gfs2_sys_fs_add+0x234/0x480 [ 238.839720][ T6255] ? gfs2_recover_set+0x240/0x240 [ 238.844756][ T6255] ? snprintf+0xd7/0x120 [ 238.849005][ T6255] ? __free_pages+0x95/0x1a0 [ 238.853596][ T6255] ? vscnprintf+0x80/0x80 [ 238.857941][ T6255] gfs2_fill_super+0x128d/0x1f50 [ 238.862893][ T6255] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.867916][ T6255] ? preempt_count_add+0x8d/0x190 [ 238.872948][ T6255] ? sb_set_blocksize+0xa5/0xe0 [ 238.877796][ T6255] get_tree_bdev+0x3f1/0x610 [ 238.882386][ T6255] ? gfs2_reconfigure+0xcd0/0xcd0 [ 238.887411][ T6255] gfs2_get_tree+0x4d/0x1e0 [ 238.891919][ T6255] vfs_get_tree+0x88/0x270 [ 238.896354][ T6255] do_new_mount+0x24a/0xa40 [ 238.900865][ T6255] __se_sys_mount+0x2d6/0x3c0 [ 238.905550][ T6255] ? __x64_sys_mount+0xc0/0xc0 [ 238.910504][ T6255] ? lockdep_hardirqs_on+0x94/0x140 [ 238.915882][ T6255] ? __x64_sys_mount+0x1c/0xc0 [ 238.920650][ T6255] do_syscall_64+0x4c/0xa0 [ 238.925073][ T6255] ? clear_bhb_loop+0x30/0x80 [ 238.929774][ T6255] ? clear_bhb_loop+0x30/0x80 [ 238.934471][ T6255] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 238.940459][ T6255] RIP: 0033:0x7f18bd52010a [ 238.944878][ T6255] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 238.964490][ T6255] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 238.972925][ T6255] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 238.980901][ T6255] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 238.988876][ T6255] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 238.996853][ T6255] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 239.004827][ T6255] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 239.012822][ T6255] [ 239.020829][ T6255] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 239.027138][ T6257] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 239.038569][ T6255] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 239.061130][ T6261] loop4: detected capacity change from 0 to 32768 [ 239.069884][ T6257] CPU: 1 PID: 6257 Comm: syz.2.278 Not tainted syzkaller #0 [ 239.077201][ T6257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 239.087260][ T6257] Call Trace: [ 239.090542][ T6257] [ 239.093474][ T6257] dump_stack_lvl+0x168/0x230 [ 239.098251][ T6257] ? show_regs_print_info+0x20/0x20 [ 239.103448][ T6257] ? load_image+0x3b0/0x3b0 [ 239.107970][ T6257] sysfs_create_dir_ns+0x252/0x280 [ 239.113093][ T6257] ? __lock_acquire+0x7c60/0x7c60 [ 239.118123][ T6257] ? sysfs_warn_dup+0xa0/0xa0 [ 239.122808][ T6257] ? do_raw_spin_unlock+0x11d/0x230 [ 239.128009][ T6257] kobject_add_internal+0x662/0xd00 [ 239.133211][ T6257] kobject_init_and_add+0x122/0x190 [ 239.138412][ T6257] ? lockdep_softirqs_off+0x420/0x420 [ 239.143793][ T6257] ? kobject_add+0x210/0x210 [ 239.148390][ T6257] ? __init_swait_queue_head+0xa5/0x150 [ 239.153956][ T6257] gfs2_sys_fs_add+0x234/0x480 [ 239.158851][ T6257] ? gfs2_recover_set+0x240/0x240 [ 239.163890][ T6257] ? snprintf+0xd7/0x120 [ 239.168139][ T6257] ? __free_pages+0x95/0x1a0 [ 239.172899][ T6257] ? vscnprintf+0x80/0x80 [ 239.177257][ T6257] gfs2_fill_super+0x128d/0x1f50 [ 239.182310][ T6257] ? gfs2_reconfigure+0xcd0/0xcd0 [ 239.187348][ T6257] ? preempt_count_add+0x8d/0x190 [ 239.187818][ T6261] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 239.192382][ T6257] ? sb_set_blocksize+0xa5/0xe0 [ 239.192407][ T6257] get_tree_bdev+0x3f1/0x610 [ 239.192427][ T6257] ? gfs2_reconfigure+0xcd0/0xcd0 [ 239.192445][ T6257] gfs2_get_tree+0x4d/0x1e0 [ 239.192462][ T6257] vfs_get_tree+0x88/0x270 [ 239.192480][ T6257] do_new_mount+0x24a/0xa40 [ 239.228392][ T6257] __se_sys_mount+0x2d6/0x3c0 [ 239.233080][ T6257] ? __x64_sys_mount+0xc0/0xc0 [ 239.237861][ T6257] ? lockdep_hardirqs_on+0x94/0x140 [ 239.243065][ T6257] ? __x64_sys_mount+0x1c/0xc0 [ 239.247840][ T6257] do_syscall_64+0x4c/0xa0 [ 239.252260][ T6257] ? clear_bhb_loop+0x30/0x80 [ 239.256939][ T6257] ? clear_bhb_loop+0x30/0x80 [ 239.261721][ T6257] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 239.267639][ T6257] RIP: 0033:0x7f014a09310a [ 239.272058][ T6257] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 239.291758][ T6257] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 239.300189][ T6257] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 239.308171][ T6257] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 239.316150][ T6257] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 239.324124][ T6257] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 239.332094][ T6257] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 239.340083][ T6257] [ 239.343101][ T6261] CPU: 0 PID: 6261 Comm: syz.4.280 Not tainted syzkaller #0 [ 239.350478][ T6261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 239.361060][ T6261] Call Trace: [ 239.364347][ T6261] [ 239.367282][ T6261] dump_stack_lvl+0x168/0x230 [ 239.372061][ T6261] ? show_regs_print_info+0x20/0x20 [ 239.377265][ T6261] ? load_image+0x3b0/0x3b0 [ 239.381788][ T6261] sysfs_create_dir_ns+0x252/0x280 [ 239.386906][ T6261] ? __lock_acquire+0x7c60/0x7c60 [ 239.391985][ T6261] ? sysfs_warn_dup+0xa0/0xa0 [ 239.396676][ T6261] ? do_raw_spin_unlock+0x11d/0x230 [ 239.401886][ T6261] kobject_add_internal+0x662/0xd00 [ 239.407092][ T6261] kobject_init_and_add+0x122/0x190 [ 239.412291][ T6261] ? lockdep_softirqs_off+0x420/0x420 [ 239.417671][ T6261] ? kobject_add+0x210/0x210 [ 239.422277][ T6261] ? __init_swait_queue_head+0xa5/0x150 [ 239.427828][ T6261] gfs2_sys_fs_add+0x234/0x480 [ 239.432598][ T6261] ? gfs2_recover_set+0x240/0x240 [ 239.437643][ T6261] ? snprintf+0xd7/0x120 [ 239.441889][ T6261] ? __free_pages+0x95/0x1a0 [ 239.446482][ T6261] ? vscnprintf+0x80/0x80 [ 239.450822][ T6261] gfs2_fill_super+0x128d/0x1f50 [ 239.455776][ T6261] ? gfs2_reconfigure+0xcd0/0xcd0 [ 239.460811][ T6261] ? preempt_count_add+0x8d/0x190 [ 239.465856][ T6261] ? sb_set_blocksize+0xa5/0xe0 [ 239.470729][ T6261] get_tree_bdev+0x3f1/0x610 [ 239.475431][ T6261] ? gfs2_reconfigure+0xcd0/0xcd0 [ 239.480466][ T6261] gfs2_get_tree+0x4d/0x1e0 [ 239.485024][ T6261] vfs_get_tree+0x88/0x270 [ 239.489449][ T6261] do_new_mount+0x24a/0xa40 [ 239.493974][ T6261] __se_sys_mount+0x2d6/0x3c0 [ 239.498670][ T6261] ? __x64_sys_mount+0xc0/0xc0 [ 239.503443][ T6261] ? lockdep_hardirqs_on+0x94/0x140 [ 239.508647][ T6261] ? __x64_sys_mount+0x1c/0xc0 [ 239.513526][ T6261] do_syscall_64+0x4c/0xa0 [ 239.517952][ T6261] ? clear_bhb_loop+0x30/0x80 [ 239.522641][ T6261] ? clear_bhb_loop+0x30/0x80 [ 239.527335][ T6261] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 239.533233][ T6261] RIP: 0033:0x7f8aec84010a [ 239.537661][ T6261] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 239.557273][ T6261] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 239.565697][ T6261] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 239.573682][ T6261] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 239.581661][ T6261] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 239.589641][ T6261] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 239.597639][ T6261] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 239.605645][ T6261] [ 239.612755][ T6257] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 239.618071][ T6261] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 239.626939][ T6257] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 239.705867][ T6261] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 240.548428][ T6265] loop1: detected capacity change from 0 to 32768 [ 240.596788][ T6263] loop3: detected capacity change from 0 to 32768 [ 240.603619][ T6265] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 240.612072][ T6265] CPU: 1 PID: 6265 Comm: syz.1.282 Not tainted syzkaller #0 [ 240.619368][ T6265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 240.629445][ T6265] Call Trace: [ 240.632841][ T6265] [ 240.635780][ T6265] dump_stack_lvl+0x168/0x230 [ 240.640482][ T6265] ? show_regs_print_info+0x20/0x20 [ 240.645695][ T6265] ? load_image+0x3b0/0x3b0 [ 240.650223][ T6265] sysfs_create_dir_ns+0x252/0x280 [ 240.655347][ T6265] ? __lock_acquire+0x7c60/0x7c60 [ 240.660379][ T6265] ? sysfs_warn_dup+0xa0/0xa0 [ 240.665074][ T6265] ? do_raw_spin_unlock+0x11d/0x230 [ 240.670296][ T6265] kobject_add_internal+0x662/0xd00 [ 240.675632][ T6265] kobject_init_and_add+0x122/0x190 [ 240.680941][ T6265] ? lockdep_softirqs_off+0x420/0x420 [ 240.686327][ T6265] ? kobject_add+0x210/0x210 [ 240.690931][ T6265] ? __init_swait_queue_head+0xa5/0x150 [ 240.696504][ T6265] gfs2_sys_fs_add+0x234/0x480 [ 240.701278][ T6265] ? gfs2_recover_set+0x240/0x240 [ 240.706308][ T6265] ? snprintf+0xd7/0x120 [ 240.710564][ T6265] ? __free_pages+0x95/0x1a0 [ 240.715181][ T6265] ? vscnprintf+0x80/0x80 [ 240.719536][ T6265] gfs2_fill_super+0x128d/0x1f50 [ 240.724492][ T6265] ? gfs2_reconfigure+0xcd0/0xcd0 [ 240.729540][ T6265] ? preempt_count_add+0x8d/0x190 [ 240.734578][ T6265] ? sb_set_blocksize+0xa5/0xe0 [ 240.739448][ T6265] get_tree_bdev+0x3f1/0x610 [ 240.744050][ T6265] ? gfs2_reconfigure+0xcd0/0xcd0 [ 240.749079][ T6265] gfs2_get_tree+0x4d/0x1e0 [ 240.753586][ T6265] vfs_get_tree+0x88/0x270 [ 240.758195][ T6265] do_new_mount+0x24a/0xa40 [ 240.762707][ T6265] __se_sys_mount+0x2d6/0x3c0 [ 240.767387][ T6265] ? __x64_sys_mount+0xc0/0xc0 [ 240.772158][ T6265] ? lockdep_hardirqs_on+0x94/0x140 [ 240.777356][ T6265] ? __x64_sys_mount+0x1c/0xc0 [ 240.782119][ T6265] do_syscall_64+0x4c/0xa0 [ 240.786531][ T6265] ? clear_bhb_loop+0x30/0x80 [ 240.791213][ T6265] ? clear_bhb_loop+0x30/0x80 [ 240.795925][ T6265] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 240.801828][ T6265] RIP: 0033:0x7f370392d10a [ 240.806339][ T6265] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 240.825943][ T6265] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 240.834368][ T6265] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 240.842342][ T6265] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 240.850316][ T6265] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 240.858305][ T6265] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 240.866278][ T6265] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 240.874329][ T6265] [ 240.894504][ T6265] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 240.910196][ T6267] loop4: detected capacity change from 0 to 32768 [ 240.913954][ T6263] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 240.945982][ T6263] CPU: 1 PID: 6263 Comm: syz.3.281 Not tainted syzkaller #0 [ 240.953300][ T6263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 240.963363][ T6263] Call Trace: [ 240.966659][ T6263] [ 240.969586][ T6263] dump_stack_lvl+0x168/0x230 [ 240.974270][ T6263] ? show_regs_print_info+0x20/0x20 [ 240.979565][ T6263] ? load_image+0x3b0/0x3b0 [ 240.984088][ T6263] sysfs_create_dir_ns+0x252/0x280 [ 240.989206][ T6263] ? __lock_acquire+0x7c60/0x7c60 [ 240.994237][ T6263] ? sysfs_warn_dup+0xa0/0xa0 [ 240.998923][ T6263] ? do_raw_spin_unlock+0x11d/0x230 [ 241.004143][ T6263] kobject_add_internal+0x662/0xd00 [ 241.008122][ T6269] loop5: detected capacity change from 0 to 32768 [ 241.009349][ T6263] kobject_init_and_add+0x122/0x190 [ 241.021075][ T6263] ? lockdep_softirqs_off+0x420/0x420 [ 241.026464][ T6263] ? kobject_add+0x210/0x210 [ 241.031083][ T6263] ? __init_swait_queue_head+0xa5/0x150 [ 241.036654][ T6263] gfs2_sys_fs_add+0x234/0x480 [ 241.041426][ T6263] ? gfs2_recover_set+0x240/0x240 [ 241.046451][ T6263] ? snprintf+0xd7/0x120 [ 241.050697][ T6263] ? __free_pages+0x95/0x1a0 [ 241.055290][ T6263] ? vscnprintf+0x80/0x80 [ 241.059643][ T6263] gfs2_fill_super+0x128d/0x1f50 [ 241.064638][ T6263] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.069670][ T6263] ? preempt_count_add+0x8d/0x190 [ 241.074714][ T6263] ? sb_set_blocksize+0xa5/0xe0 [ 241.079577][ T6263] get_tree_bdev+0x3f1/0x610 [ 241.084175][ T6263] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.089206][ T6263] gfs2_get_tree+0x4d/0x1e0 [ 241.093717][ T6263] vfs_get_tree+0x88/0x270 [ 241.098137][ T6263] do_new_mount+0x24a/0xa40 [ 241.102650][ T6263] __se_sys_mount+0x2d6/0x3c0 [ 241.107341][ T6263] ? __x64_sys_mount+0xc0/0xc0 [ 241.112116][ T6263] ? lockdep_hardirqs_on+0x94/0x140 [ 241.117326][ T6263] ? __x64_sys_mount+0x1c/0xc0 [ 241.122094][ T6263] do_syscall_64+0x4c/0xa0 [ 241.126505][ T6263] ? clear_bhb_loop+0x30/0x80 [ 241.131187][ T6263] ? clear_bhb_loop+0x30/0x80 [ 241.136124][ T6263] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.140944][ T6271] loop2: detected capacity change from 0 to 32768 [ 241.142011][ T6263] RIP: 0033:0x7f6aa219a10a [ 241.142030][ T6263] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 241.142044][ T6263] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 [ 241.148803][ T6265] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 241.152830][ T6263] ORIG_RAX: 00000000000000a5 [ 241.152839][ T6263] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 241.152850][ T6263] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 241.152861][ T6263] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 241.152872][ T6263] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 241.152883][ T6263] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 241.152906][ T6263] [ 241.172442][ T6263] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 241.185951][ T6267] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 241.185968][ T6267] CPU: 0 PID: 6267 Comm: syz.4.283 Not tainted syzkaller #0 [ 241.185986][ T6267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 241.185996][ T6267] Call Trace: [ 241.186002][ T6267] [ 241.186010][ T6267] dump_stack_lvl+0x168/0x230 [ 241.186035][ T6267] ? show_regs_print_info+0x20/0x20 [ 241.186053][ T6267] ? load_image+0x3b0/0x3b0 [ 241.198069][ T6263] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 241.198672][ T6267] sysfs_create_dir_ns+0x252/0x280 [ 241.305751][ T6267] ? __lock_acquire+0x7c60/0x7c60 [ 241.310833][ T6267] ? sysfs_warn_dup+0xa0/0xa0 [ 241.315513][ T6267] ? do_raw_spin_unlock+0x11d/0x230 [ 241.320812][ T6267] kobject_add_internal+0x662/0xd00 [ 241.325998][ T6267] kobject_init_and_add+0x122/0x190 [ 241.331179][ T6267] ? lockdep_softirqs_off+0x420/0x420 [ 241.336561][ T6267] ? kobject_add+0x210/0x210 [ 241.341167][ T6267] ? __init_swait_queue_head+0xa5/0x150 [ 241.346696][ T6267] gfs2_sys_fs_add+0x234/0x480 [ 241.351478][ T6267] ? gfs2_recover_set+0x240/0x240 [ 241.356489][ T6267] ? snprintf+0xd7/0x120 [ 241.360736][ T6267] ? __free_pages+0x95/0x1a0 [ 241.365306][ T6267] ? vscnprintf+0x80/0x80 [ 241.369628][ T6267] gfs2_fill_super+0x128d/0x1f50 [ 241.374580][ T6267] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.379602][ T6267] ? preempt_count_add+0x8d/0x190 [ 241.384609][ T6267] ? sb_set_blocksize+0xa5/0xe0 [ 241.389439][ T6267] get_tree_bdev+0x3f1/0x610 [ 241.394017][ T6267] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.399040][ T6267] gfs2_get_tree+0x4d/0x1e0 [ 241.403536][ T6267] vfs_get_tree+0x88/0x270 [ 241.407934][ T6267] do_new_mount+0x24a/0xa40 [ 241.412435][ T6267] __se_sys_mount+0x2d6/0x3c0 [ 241.417122][ T6267] ? __x64_sys_mount+0xc0/0xc0 [ 241.421880][ T6267] ? lockdep_hardirqs_on+0x94/0x140 [ 241.427059][ T6267] ? __x64_sys_mount+0x1c/0xc0 [ 241.431897][ T6267] do_syscall_64+0x4c/0xa0 [ 241.436306][ T6267] ? clear_bhb_loop+0x30/0x80 [ 241.441003][ T6267] ? clear_bhb_loop+0x30/0x80 [ 241.445659][ T6267] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.451532][ T6267] RIP: 0033:0x7f8aec84010a [ 241.455944][ T6267] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 241.475637][ T6267] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 241.484075][ T6267] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 241.492037][ T6267] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 241.500011][ T6267] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 241.508142][ T6267] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 241.516103][ T6267] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 241.524083][ T6267] [ 241.528603][ T6267] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 241.544610][ T6269] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 241.553767][ T6267] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 241.561190][ T6269] CPU: 0 PID: 6269 Comm: syz.5.284 Not tainted syzkaller #0 [ 241.568555][ T6269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 241.578612][ T6269] Call Trace: [ 241.581895][ T6269] [ 241.584830][ T6269] dump_stack_lvl+0x168/0x230 [ 241.589515][ T6269] ? show_regs_print_info+0x20/0x20 [ 241.594813][ T6269] ? load_image+0x3b0/0x3b0 [ 241.599346][ T6269] sysfs_create_dir_ns+0x252/0x280 [ 241.604462][ T6269] ? __lock_acquire+0x7c60/0x7c60 [ 241.609691][ T6269] ? sysfs_warn_dup+0xa0/0xa0 [ 241.614538][ T6269] ? do_raw_spin_unlock+0x11d/0x230 [ 241.619755][ T6269] kobject_add_internal+0x662/0xd00 [ 241.625055][ T6269] kobject_init_and_add+0x122/0x190 [ 241.630305][ T6269] ? lockdep_softirqs_off+0x420/0x420 [ 241.635775][ T6269] ? kobject_add+0x210/0x210 [ 241.640399][ T6269] ? __init_swait_queue_head+0xa5/0x150 [ 241.645957][ T6269] gfs2_sys_fs_add+0x234/0x480 [ 241.650730][ T6269] ? gfs2_recover_set+0x240/0x240 [ 241.655758][ T6269] ? snprintf+0xd7/0x120 [ 241.660023][ T6269] ? __free_pages+0x95/0x1a0 [ 241.664634][ T6269] ? vscnprintf+0x80/0x80 [ 241.668984][ T6269] gfs2_fill_super+0x128d/0x1f50 [ 241.673946][ T6269] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.679027][ T6269] ? preempt_count_add+0x8d/0x190 [ 241.684066][ T6269] ? sb_set_blocksize+0xa5/0xe0 [ 241.688926][ T6269] get_tree_bdev+0x3f1/0x610 [ 241.693525][ T6269] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.698557][ T6269] gfs2_get_tree+0x4d/0x1e0 [ 241.703068][ T6269] vfs_get_tree+0x88/0x270 [ 241.707498][ T6269] do_new_mount+0x24a/0xa40 [ 241.712017][ T6269] __se_sys_mount+0x2d6/0x3c0 [ 241.716707][ T6269] ? __x64_sys_mount+0xc0/0xc0 [ 241.721489][ T6269] ? lockdep_hardirqs_on+0x94/0x140 [ 241.726692][ T6269] ? __x64_sys_mount+0x1c/0xc0 [ 241.731472][ T6269] do_syscall_64+0x4c/0xa0 [ 241.735902][ T6269] ? clear_bhb_loop+0x30/0x80 [ 241.740583][ T6269] ? clear_bhb_loop+0x30/0x80 [ 241.745272][ T6269] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.751171][ T6269] RIP: 0033:0x7f18bd52010a [ 241.755591][ T6269] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 241.775287][ T6269] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 241.783711][ T6269] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 241.791691][ T6269] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 241.799669][ T6269] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 241.807670][ T6269] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 241.815651][ T6269] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 241.823646][ T6269] [ 241.828167][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 241.839203][ T6271] CPU: 0 PID: 6271 Comm: syz.2.285 Not tainted syzkaller #0 [ 241.846527][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 241.856587][ T6271] Call Trace: [ 241.859883][ T6271] [ 241.862815][ T6271] dump_stack_lvl+0x168/0x230 [ 241.867511][ T6271] ? show_regs_print_info+0x20/0x20 [ 241.872717][ T6271] ? load_image+0x3b0/0x3b0 [ 241.877231][ T6271] sysfs_create_dir_ns+0x252/0x280 [ 241.882346][ T6271] ? __lock_acquire+0x7c60/0x7c60 [ 241.887378][ T6271] ? sysfs_warn_dup+0xa0/0xa0 [ 241.892063][ T6271] ? do_raw_spin_unlock+0x11d/0x230 [ 241.897265][ T6271] kobject_add_internal+0x662/0xd00 [ 241.902473][ T6271] kobject_init_and_add+0x122/0x190 [ 241.907677][ T6271] ? lockdep_softirqs_off+0x420/0x420 [ 241.913059][ T6271] ? kobject_add+0x210/0x210 [ 241.917658][ T6271] ? __init_swait_queue_head+0xa5/0x150 [ 241.923207][ T6271] gfs2_sys_fs_add+0x234/0x480 [ 241.927979][ T6271] ? gfs2_recover_set+0x240/0x240 [ 241.933008][ T6271] ? snprintf+0xd7/0x120 [ 241.937250][ T6271] ? __free_pages+0x95/0x1a0 [ 241.941844][ T6271] ? vscnprintf+0x80/0x80 [ 241.946180][ T6271] gfs2_fill_super+0x128d/0x1f50 [ 241.951134][ T6271] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.953606][ T6269] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 241.956151][ T6271] ? preempt_count_add+0x8d/0x190 [ 241.975260][ T6271] ? sb_set_blocksize+0xa5/0xe0 [ 241.980122][ T6271] get_tree_bdev+0x3f1/0x610 [ 241.984715][ T6271] ? gfs2_reconfigure+0xcd0/0xcd0 [ 241.989748][ T6271] gfs2_get_tree+0x4d/0x1e0 [ 241.990534][ T6269] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 241.994248][ T6271] vfs_get_tree+0x88/0x270 [ 241.994269][ T6271] do_new_mount+0x24a/0xa40 [ 241.994292][ T6271] __se_sys_mount+0x2d6/0x3c0 [ 241.994313][ T6271] ? __x64_sys_mount+0xc0/0xc0 [ 241.994332][ T6271] ? lockdep_hardirqs_on+0x94/0x140 [ 241.994350][ T6271] ? __x64_sys_mount+0x1c/0xc0 [ 241.994369][ T6271] do_syscall_64+0x4c/0xa0 [ 241.994383][ T6271] ? clear_bhb_loop+0x30/0x80 [ 241.994400][ T6271] ? clear_bhb_loop+0x30/0x80 [ 241.994416][ T6271] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.994432][ T6271] RIP: 0033:0x7f014a09310a [ 242.053884][ T6271] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 242.073613][ T6271] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.082041][ T6271] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 242.090023][ T6271] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 242.098000][ T6271] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 242.105979][ T6271] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 242.113957][ T6271] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 242.122041][ T6271] [ 242.130243][ T6271] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 242.144442][ T6271] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 242.215359][ T6273] loop4: detected capacity change from 0 to 32768 [ 242.307125][ T6273] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 242.344491][ T6273] CPU: 1 PID: 6273 Comm: syz.4.286 Not tainted syzkaller #0 [ 242.351814][ T6273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 242.361962][ T6273] Call Trace: [ 242.365265][ T6273] [ 242.368192][ T6273] dump_stack_lvl+0x168/0x230 [ 242.372873][ T6273] ? show_regs_print_info+0x20/0x20 [ 242.378074][ T6273] ? load_image+0x3b0/0x3b0 [ 242.382600][ T6273] sysfs_create_dir_ns+0x252/0x280 [ 242.387719][ T6273] ? __lock_acquire+0x7c60/0x7c60 [ 242.392741][ T6273] ? sysfs_warn_dup+0xa0/0xa0 [ 242.397426][ T6273] ? do_raw_spin_unlock+0x11d/0x230 [ 242.402625][ T6273] kobject_add_internal+0x662/0xd00 [ 242.407872][ T6273] kobject_init_and_add+0x122/0x190 [ 242.413077][ T6273] ? lockdep_softirqs_off+0x420/0x420 [ 242.418458][ T6273] ? kobject_add+0x210/0x210 [ 242.423182][ T6273] ? __init_swait_queue_head+0xa5/0x150 [ 242.428758][ T6273] gfs2_sys_fs_add+0x234/0x480 [ 242.433541][ T6273] ? gfs2_recover_set+0x240/0x240 [ 242.438569][ T6273] ? snprintf+0xd7/0x120 [ 242.442815][ T6273] ? __free_pages+0x95/0x1a0 [ 242.447670][ T6273] ? vscnprintf+0x80/0x80 [ 242.452024][ T6273] gfs2_fill_super+0x128d/0x1f50 [ 242.456980][ T6273] ? gfs2_reconfigure+0xcd0/0xcd0 [ 242.462017][ T6273] ? preempt_count_add+0x8d/0x190 [ 242.467055][ T6273] ? sb_set_blocksize+0xa5/0xe0 [ 242.471918][ T6273] get_tree_bdev+0x3f1/0x610 [ 242.476513][ T6273] ? gfs2_reconfigure+0xcd0/0xcd0 [ 242.481643][ T6273] gfs2_get_tree+0x4d/0x1e0 [ 242.486155][ T6273] vfs_get_tree+0x88/0x270 [ 242.490572][ T6273] do_new_mount+0x24a/0xa40 [ 242.495085][ T6273] __se_sys_mount+0x2d6/0x3c0 [ 242.499763][ T6273] ? __x64_sys_mount+0xc0/0xc0 [ 242.504528][ T6273] ? lockdep_hardirqs_on+0x94/0x140 [ 242.509727][ T6273] ? __x64_sys_mount+0x1c/0xc0 [ 242.514535][ T6273] do_syscall_64+0x4c/0xa0 [ 242.518950][ T6273] ? clear_bhb_loop+0x30/0x80 [ 242.523631][ T6273] ? clear_bhb_loop+0x30/0x80 [ 242.528307][ T6273] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 242.534201][ T6273] RIP: 0033:0x7f8aec84010a [ 242.538625][ T6273] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 242.558231][ T6273] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.566652][ T6273] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 242.574634][ T6273] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 242.582622][ T6273] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 242.590604][ T6273] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 242.598598][ T6273] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 242.606602][ T6273] 2025/09/13 09:48:31 executed programs: 281 [ 243.001645][ T6273] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 243.052635][ T6273] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 243.536499][ T6275] loop5: detected capacity change from 0 to 32768 [ 243.572765][ T6275] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 243.598431][ T6280] loop2: detected capacity change from 0 to 32768 [ 243.611680][ T6275] CPU: 0 PID: 6275 Comm: syz.5.287 Not tainted syzkaller #0 [ 243.616881][ T6277] loop3: detected capacity change from 0 to 32768 [ 243.619073][ T6275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 243.619085][ T6275] Call Trace: [ 243.619092][ T6275] [ 243.619099][ T6275] dump_stack_lvl+0x168/0x230 [ 243.646388][ T6275] ? show_regs_print_info+0x20/0x20 [ 243.651600][ T6275] ? load_image+0x3b0/0x3b0 [ 243.656128][ T6275] sysfs_create_dir_ns+0x252/0x280 [ 243.658453][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 243.661250][ T6275] ? __lock_acquire+0x7c60/0x7c60 [ 243.674306][ T6275] ? sysfs_warn_dup+0xa0/0xa0 [ 243.679000][ T6275] ? do_raw_spin_unlock+0x11d/0x230 [ 243.684205][ T6275] kobject_add_internal+0x662/0xd00 [ 243.689422][ T6275] kobject_init_and_add+0x122/0x190 [ 243.694627][ T6275] ? lockdep_softirqs_off+0x420/0x420 [ 243.700012][ T6275] ? kobject_add+0x210/0x210 [ 243.704719][ T6275] ? __init_swait_queue_head+0xa5/0x150 [ 243.710278][ T6275] gfs2_sys_fs_add+0x234/0x480 [ 243.715046][ T6275] ? gfs2_recover_set+0x240/0x240 [ 243.720075][ T6275] ? snprintf+0xd7/0x120 [ 243.724333][ T6275] ? __free_pages+0x95/0x1a0 [ 243.728927][ T6275] ? vscnprintf+0x80/0x80 [ 243.733268][ T6275] gfs2_fill_super+0x128d/0x1f50 [ 243.738214][ T6275] ? gfs2_reconfigure+0xcd0/0xcd0 [ 243.743250][ T6275] ? preempt_count_add+0x8d/0x190 [ 243.748459][ T6275] ? sb_set_blocksize+0xa5/0xe0 [ 243.753319][ T6275] get_tree_bdev+0x3f1/0x610 [ 243.757932][ T6275] ? gfs2_reconfigure+0xcd0/0xcd0 [ 243.762969][ T6275] gfs2_get_tree+0x4d/0x1e0 [ 243.767578][ T6275] vfs_get_tree+0x88/0x270 [ 243.772003][ T6275] do_new_mount+0x24a/0xa40 [ 243.776519][ T6275] __se_sys_mount+0x2d6/0x3c0 [ 243.781201][ T6275] ? __x64_sys_mount+0xc0/0xc0 [ 243.785969][ T6275] ? lockdep_hardirqs_on+0x94/0x140 [ 243.791186][ T6275] ? __x64_sys_mount+0x1c/0xc0 [ 243.795968][ T6275] do_syscall_64+0x4c/0xa0 [ 243.800389][ T6275] ? clear_bhb_loop+0x30/0x80 [ 243.805072][ T6275] ? clear_bhb_loop+0x30/0x80 [ 243.809750][ T6275] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 243.815650][ T6275] RIP: 0033:0x7f18bd52010a [ 243.820066][ T6275] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 243.839681][ T6275] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 243.848090][ T6275] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 243.856141][ T6275] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 243.864113][ T6275] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 243.872078][ T6275] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 243.880049][ T6275] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 243.888029][ T6275] [ 243.891037][ T6280] CPU: 1 PID: 6280 Comm: syz.2.289 Not tainted syzkaller #0 [ 243.898339][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 243.908399][ T6280] Call Trace: [ 243.911682][ T6280] [ 243.914613][ T6280] dump_stack_lvl+0x168/0x230 [ 243.916329][ T6281] loop1: detected capacity change from 0 to 32768 [ 243.919383][ T6280] ? show_regs_print_info+0x20/0x20 [ 243.931304][ T6280] ? load_image+0x3b0/0x3b0 [ 243.935825][ T6280] sysfs_create_dir_ns+0x252/0x280 [ 243.940954][ T6280] ? __lock_acquire+0x7c60/0x7c60 [ 243.945990][ T6280] ? sysfs_warn_dup+0xa0/0xa0 [ 243.950681][ T6280] ? do_raw_spin_unlock+0x11d/0x230 [ 243.955885][ T6280] kobject_add_internal+0x662/0xd00 [ 243.961093][ T6280] kobject_init_and_add+0x122/0x190 [ 243.966291][ T6280] ? lockdep_softirqs_off+0x420/0x420 [ 243.971672][ T6280] ? kobject_add+0x210/0x210 [ 243.976270][ T6280] ? __init_swait_queue_head+0xa5/0x150 [ 243.981820][ T6280] gfs2_sys_fs_add+0x234/0x480 [ 243.986596][ T6280] ? gfs2_recover_set+0x240/0x240 [ 243.991628][ T6280] ? snprintf+0xd7/0x120 [ 243.995874][ T6280] ? __free_pages+0x95/0x1a0 [ 244.000470][ T6280] ? vscnprintf+0x80/0x80 [ 244.004816][ T6280] gfs2_fill_super+0x128d/0x1f50 [ 244.009781][ T6280] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.014815][ T6280] ? preempt_count_add+0x8d/0x190 [ 244.019850][ T6280] ? sb_set_blocksize+0xa5/0xe0 [ 244.024705][ T6280] get_tree_bdev+0x3f1/0x610 [ 244.029296][ T6280] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.034321][ T6280] gfs2_get_tree+0x4d/0x1e0 [ 244.035551][ T6283] loop4: detected capacity change from 0 to 32768 [ 244.038824][ T6280] vfs_get_tree+0x88/0x270 [ 244.038847][ T6280] do_new_mount+0x24a/0xa40 [ 244.038872][ T6280] __se_sys_mount+0x2d6/0x3c0 [ 244.045667][ T6275] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 244.049667][ T6280] ? __x64_sys_mount+0xc0/0xc0 [ 244.055381][ T6275] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 244.058837][ T6280] ? lockdep_hardirqs_on+0x94/0x140 [ 244.058858][ T6280] ? __x64_sys_mount+0x1c/0xc0 [ 244.058878][ T6280] do_syscall_64+0x4c/0xa0 [ 244.098826][ T6280] ? clear_bhb_loop+0x30/0x80 [ 244.103488][ T6280] ? clear_bhb_loop+0x30/0x80 [ 244.108149][ T6280] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.114021][ T6280] RIP: 0033:0x7f014a09310a [ 244.118417][ T6280] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 244.138004][ T6280] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.146412][ T6280] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 244.154375][ T6280] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 244.162334][ T6280] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 244.170305][ T6280] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 244.178268][ T6280] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 244.186324][ T6280] [ 244.192056][ T6280] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 244.206126][ T6280] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 244.215399][ T6281] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 244.227659][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 244.237357][ T6283] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 244.256427][ T6281] CPU: 0 PID: 6281 Comm: syz.1.288 Not tainted syzkaller #0 [ 244.263755][ T6281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 244.273887][ T6281] Call Trace: [ 244.277160][ T6281] [ 244.280077][ T6281] dump_stack_lvl+0x168/0x230 [ 244.284757][ T6281] ? show_regs_print_info+0x20/0x20 [ 244.289952][ T6281] ? load_image+0x3b0/0x3b0 [ 244.294454][ T6281] sysfs_create_dir_ns+0x252/0x280 [ 244.299565][ T6281] ? __lock_acquire+0x7c60/0x7c60 [ 244.304579][ T6281] ? sysfs_warn_dup+0xa0/0xa0 [ 244.309251][ T6281] ? do_raw_spin_unlock+0x11d/0x230 [ 244.314443][ T6281] kobject_add_internal+0x662/0xd00 [ 244.319650][ T6281] kobject_init_and_add+0x122/0x190 [ 244.324835][ T6281] ? lockdep_softirqs_off+0x420/0x420 [ 244.330207][ T6281] ? kobject_add+0x210/0x210 [ 244.334789][ T6281] ? __init_swait_queue_head+0xa5/0x150 [ 244.340325][ T6281] gfs2_sys_fs_add+0x234/0x480 [ 244.345076][ T6281] ? gfs2_recover_set+0x240/0x240 [ 244.350090][ T6281] ? snprintf+0xd7/0x120 [ 244.354316][ T6281] ? __free_pages+0x95/0x1a0 [ 244.358896][ T6281] ? vscnprintf+0x80/0x80 [ 244.363223][ T6281] gfs2_fill_super+0x128d/0x1f50 [ 244.368159][ T6281] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.373175][ T6281] ? preempt_count_add+0x8d/0x190 [ 244.378206][ T6281] ? sb_set_blocksize+0xa5/0xe0 [ 244.383059][ T6281] get_tree_bdev+0x3f1/0x610 [ 244.387641][ T6281] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.392653][ T6281] gfs2_get_tree+0x4d/0x1e0 [ 244.397145][ T6281] vfs_get_tree+0x88/0x270 [ 244.401551][ T6281] do_new_mount+0x24a/0xa40 [ 244.406055][ T6281] __se_sys_mount+0x2d6/0x3c0 [ 244.410728][ T6281] ? __x64_sys_mount+0xc0/0xc0 [ 244.415485][ T6281] ? lockdep_hardirqs_on+0x94/0x140 [ 244.420717][ T6281] ? __x64_sys_mount+0x1c/0xc0 [ 244.425474][ T6281] do_syscall_64+0x4c/0xa0 [ 244.429878][ T6281] ? clear_bhb_loop+0x30/0x80 [ 244.434538][ T6281] ? clear_bhb_loop+0x30/0x80 [ 244.439209][ T6281] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.445089][ T6281] RIP: 0033:0x7f370392d10a [ 244.449492][ T6281] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 244.469081][ T6281] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.477487][ T6281] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 244.485448][ T6281] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 244.493410][ T6281] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 244.501371][ T6281] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 244.509353][ T6281] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 244.517373][ T6281] [ 244.520387][ T6277] CPU: 1 PID: 6277 Comm: syz.3.290 Not tainted syzkaller #0 [ 244.527770][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 244.537756][ T6281] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 244.537823][ T6277] Call Trace: [ 244.537831][ T6277] [ 244.551827][ T6281] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 244.554875][ T6277] dump_stack_lvl+0x168/0x230 [ 244.569815][ T6277] ? show_regs_print_info+0x20/0x20 [ 244.575074][ T6277] ? load_image+0x3b0/0x3b0 [ 244.579603][ T6277] sysfs_create_dir_ns+0x252/0x280 [ 244.584729][ T6277] ? __lock_acquire+0x7c60/0x7c60 [ 244.589757][ T6277] ? sysfs_warn_dup+0xa0/0xa0 [ 244.594453][ T6277] ? do_raw_spin_unlock+0x11d/0x230 [ 244.599666][ T6277] kobject_add_internal+0x662/0xd00 [ 244.604972][ T6277] kobject_init_and_add+0x122/0x190 [ 244.610183][ T6277] ? lockdep_softirqs_off+0x420/0x420 [ 244.615575][ T6277] ? kobject_add+0x210/0x210 [ 244.620184][ T6277] ? __init_swait_queue_head+0xa5/0x150 [ 244.625745][ T6277] gfs2_sys_fs_add+0x234/0x480 [ 244.630523][ T6277] ? gfs2_recover_set+0x240/0x240 [ 244.635550][ T6277] ? snprintf+0xd7/0x120 [ 244.639798][ T6277] ? __free_pages+0x95/0x1a0 [ 244.644399][ T6277] ? vscnprintf+0x80/0x80 [ 244.648747][ T6277] gfs2_fill_super+0x128d/0x1f50 [ 244.653704][ T6277] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.658743][ T6277] ? preempt_count_add+0x8d/0x190 [ 244.663791][ T6277] ? sb_set_blocksize+0xa5/0xe0 [ 244.668708][ T6277] get_tree_bdev+0x3f1/0x610 [ 244.673318][ T6277] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.678358][ T6277] gfs2_get_tree+0x4d/0x1e0 [ 244.682879][ T6277] vfs_get_tree+0x88/0x270 [ 244.687303][ T6277] do_new_mount+0x24a/0xa40 [ 244.691824][ T6277] __se_sys_mount+0x2d6/0x3c0 [ 244.696523][ T6277] ? __x64_sys_mount+0xc0/0xc0 [ 244.701300][ T6277] ? lockdep_hardirqs_on+0x94/0x140 [ 244.706510][ T6277] ? __x64_sys_mount+0x1c/0xc0 [ 244.711284][ T6277] do_syscall_64+0x4c/0xa0 [ 244.715701][ T6277] ? clear_bhb_loop+0x30/0x80 [ 244.720376][ T6277] ? clear_bhb_loop+0x30/0x80 [ 244.725065][ T6277] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.730961][ T6277] RIP: 0033:0x7f6aa219a10a [ 244.735373][ T6277] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 244.754985][ T6277] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.763420][ T6277] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 244.771411][ T6277] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 244.779391][ T6277] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 244.787404][ T6277] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 244.795386][ T6277] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 244.803404][ T6277] [ 244.807610][ T6283] CPU: 0 PID: 6283 Comm: syz.4.291 Not tainted syzkaller #0 [ 244.814914][ T6283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 244.824980][ T6283] Call Trace: [ 244.828267][ T6283] [ 244.831192][ T6283] dump_stack_lvl+0x168/0x230 [ 244.835881][ T6283] ? show_regs_print_info+0x20/0x20 [ 244.841106][ T6283] ? load_image+0x3b0/0x3b0 [ 244.845639][ T6283] sysfs_create_dir_ns+0x252/0x280 [ 244.850767][ T6283] ? __lock_acquire+0x7c60/0x7c60 [ 244.855808][ T6283] ? sysfs_warn_dup+0xa0/0xa0 [ 244.860506][ T6283] ? do_raw_spin_unlock+0x11d/0x230 [ 244.865721][ T6283] kobject_add_internal+0x662/0xd00 [ 244.870936][ T6283] kobject_init_and_add+0x122/0x190 [ 244.876143][ T6283] ? lockdep_softirqs_off+0x420/0x420 [ 244.881532][ T6283] ? kobject_add+0x210/0x210 [ 244.886138][ T6283] ? __init_swait_queue_head+0xa5/0x150 [ 244.891693][ T6283] gfs2_sys_fs_add+0x234/0x480 [ 244.896461][ T6283] ? gfs2_recover_set+0x240/0x240 [ 244.901576][ T6283] ? snprintf+0xd7/0x120 [ 244.905820][ T6283] ? __free_pages+0x95/0x1a0 [ 244.910408][ T6283] ? vscnprintf+0x80/0x80 [ 244.914749][ T6283] gfs2_fill_super+0x128d/0x1f50 [ 244.919704][ T6283] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.924742][ T6283] ? preempt_count_add+0x8d/0x190 [ 244.930738][ T6283] ? sb_set_blocksize+0xa5/0xe0 [ 244.935594][ T6283] get_tree_bdev+0x3f1/0x610 [ 244.940194][ T6283] ? gfs2_reconfigure+0xcd0/0xcd0 [ 244.945221][ T6283] gfs2_get_tree+0x4d/0x1e0 [ 244.949833][ T6283] vfs_get_tree+0x88/0x270 [ 244.954257][ T6283] do_new_mount+0x24a/0xa40 [ 244.958770][ T6283] __se_sys_mount+0x2d6/0x3c0 [ 244.963459][ T6283] ? __x64_sys_mount+0xc0/0xc0 [ 244.968231][ T6283] ? lockdep_hardirqs_on+0x94/0x140 [ 244.973435][ T6283] ? __x64_sys_mount+0x1c/0xc0 [ 244.978208][ T6283] do_syscall_64+0x4c/0xa0 [ 244.982618][ T6283] ? clear_bhb_loop+0x30/0x80 [ 244.987300][ T6283] ? clear_bhb_loop+0x30/0x80 [ 244.991984][ T6283] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.997878][ T6283] RIP: 0033:0x7f8aec84010a [ 245.002294][ T6283] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 245.021995][ T6283] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.030425][ T6283] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 245.038404][ T6283] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 245.046383][ T6283] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 245.054355][ T6283] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 245.062322][ T6283] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 245.070308][ T6283] [ 245.075935][ T6277] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 245.131598][ T6277] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 245.491750][ T6283] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 245.516186][ T6283] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 245.765104][ T6285] loop1: detected capacity change from 0 to 32768 [ 245.925178][ T6285] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 245.941154][ T6291] loop5: detected capacity change from 0 to 32768 [ 245.947932][ T6285] CPU: 1 PID: 6285 Comm: syz.1.292 Not tainted syzkaller #0 [ 245.955233][ T6285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 245.965287][ T6285] Call Trace: [ 245.968664][ T6285] [ 245.971596][ T6285] dump_stack_lvl+0x168/0x230 [ 245.976305][ T6285] ? show_regs_print_info+0x20/0x20 [ 245.981500][ T6285] ? load_image+0x3b0/0x3b0 [ 245.986018][ T6285] sysfs_create_dir_ns+0x252/0x280 [ 245.991135][ T6285] ? __lock_acquire+0x7c60/0x7c60 [ 245.996156][ T6285] ? sysfs_warn_dup+0xa0/0xa0 [ 246.000930][ T6285] ? do_raw_spin_unlock+0x11d/0x230 [ 246.006135][ T6285] kobject_add_internal+0x662/0xd00 [ 246.011350][ T6285] kobject_init_and_add+0x122/0x190 [ 246.016549][ T6285] ? lockdep_softirqs_off+0x420/0x420 [ 246.021931][ T6285] ? kobject_add+0x210/0x210 [ 246.026534][ T6285] ? __init_swait_queue_head+0xa5/0x150 [ 246.026847][ T6287] loop2: detected capacity change from 0 to 32768 [ 246.032081][ T6285] gfs2_sys_fs_add+0x234/0x480 [ 246.032103][ T6285] ? gfs2_recover_set+0x240/0x240 [ 246.032119][ T6285] ? snprintf+0xd7/0x120 [ 246.052496][ T6285] ? __free_pages+0x95/0x1a0 [ 246.057139][ T6285] ? vscnprintf+0x80/0x80 [ 246.059365][ T6289] loop3: detected capacity change from 0 to 32768 [ 246.061479][ T6285] gfs2_fill_super+0x128d/0x1f50 [ 246.072889][ T6285] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.077934][ T6285] ? preempt_count_add+0x8d/0x190 [ 246.082984][ T6285] ? sb_set_blocksize+0xa5/0xe0 [ 246.087834][ T6285] get_tree_bdev+0x3f1/0x610 [ 246.092422][ T6285] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.097507][ T6285] gfs2_get_tree+0x4d/0x1e0 [ 246.102022][ T6285] vfs_get_tree+0x88/0x270 [ 246.106449][ T6285] do_new_mount+0x24a/0xa40 [ 246.110969][ T6285] __se_sys_mount+0x2d6/0x3c0 [ 246.115662][ T6285] ? __x64_sys_mount+0xc0/0xc0 [ 246.120430][ T6285] ? lockdep_hardirqs_on+0x94/0x140 [ 246.125617][ T6285] ? __x64_sys_mount+0x1c/0xc0 [ 246.130394][ T6285] do_syscall_64+0x4c/0xa0 [ 246.134794][ T6285] ? clear_bhb_loop+0x30/0x80 [ 246.139448][ T6285] ? clear_bhb_loop+0x30/0x80 [ 246.144101][ T6285] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 246.149975][ T6285] RIP: 0033:0x7f370392d10a [ 246.154369][ T6285] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 246.173960][ T6285] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.182373][ T6285] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 246.190338][ T6285] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 246.198302][ T6285] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 246.206279][ T6285] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 246.214242][ T6285] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 246.222254][ T6285] [ 246.231919][ T6285] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 246.267974][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 246.286377][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 246.286448][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 246.302088][ T6291] CPU: 0 PID: 6291 Comm: syz.5.295 Not tainted syzkaller #0 [ 246.309845][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.319907][ T6291] Call Trace: [ 246.323192][ T6291] [ 246.326132][ T6291] dump_stack_lvl+0x168/0x230 [ 246.330822][ T6291] ? show_regs_print_info+0x20/0x20 [ 246.336030][ T6291] ? load_image+0x3b0/0x3b0 [ 246.340557][ T6291] sysfs_create_dir_ns+0x252/0x280 [ 246.345672][ T6291] ? __lock_acquire+0x7c60/0x7c60 [ 246.350706][ T6291] ? sysfs_warn_dup+0xa0/0xa0 [ 246.355394][ T6291] ? do_raw_spin_unlock+0x11d/0x230 [ 246.360600][ T6291] kobject_add_internal+0x662/0xd00 [ 246.365803][ T6291] kobject_init_and_add+0x122/0x190 [ 246.371004][ T6291] ? lockdep_softirqs_off+0x420/0x420 [ 246.376393][ T6291] ? kobject_add+0x210/0x210 [ 246.381008][ T6291] ? __init_swait_queue_head+0xa5/0x150 [ 246.386570][ T6291] gfs2_sys_fs_add+0x234/0x480 [ 246.391340][ T6291] ? gfs2_recover_set+0x240/0x240 [ 246.396368][ T6291] ? snprintf+0xd7/0x120 [ 246.400612][ T6291] ? __free_pages+0x95/0x1a0 [ 246.405194][ T6291] ? vscnprintf+0x80/0x80 [ 246.409530][ T6291] gfs2_fill_super+0x128d/0x1f50 [ 246.414470][ T6291] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.419499][ T6291] ? preempt_count_add+0x8d/0x190 [ 246.424532][ T6291] ? sb_set_blocksize+0xa5/0xe0 [ 246.429382][ T6291] get_tree_bdev+0x3f1/0x610 [ 246.433973][ T6291] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.439010][ T6291] gfs2_get_tree+0x4d/0x1e0 [ 246.443528][ T6291] vfs_get_tree+0x88/0x270 [ 246.447943][ T6291] do_new_mount+0x24a/0xa40 [ 246.452452][ T6291] __se_sys_mount+0x2d6/0x3c0 [ 246.457129][ T6291] ? __x64_sys_mount+0xc0/0xc0 [ 246.461890][ T6291] ? lockdep_hardirqs_on+0x94/0x140 [ 246.467174][ T6291] ? __x64_sys_mount+0x1c/0xc0 [ 246.471934][ T6291] do_syscall_64+0x4c/0xa0 [ 246.476397][ T6291] ? clear_bhb_loop+0x30/0x80 [ 246.481072][ T6291] ? clear_bhb_loop+0x30/0x80 [ 246.485755][ T6291] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 246.491651][ T6291] RIP: 0033:0x7f18bd52010a [ 246.496070][ T6291] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 246.515679][ T6291] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.524091][ T6291] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 246.532086][ T6291] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 246.540054][ T6291] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 246.548020][ T6291] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 246.556011][ T6291] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 246.564008][ T6291] [ 246.571067][ T6287] CPU: 1 PID: 6287 Comm: syz.2.293 Not tainted syzkaller #0 [ 246.578384][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.588444][ T6287] Call Trace: [ 246.591729][ T6287] [ 246.594667][ T6287] dump_stack_lvl+0x168/0x230 [ 246.599355][ T6287] ? show_regs_print_info+0x20/0x20 [ 246.604559][ T6287] ? load_image+0x3b0/0x3b0 [ 246.609089][ T6287] sysfs_create_dir_ns+0x252/0x280 [ 246.614384][ T6287] ? __lock_acquire+0x7c60/0x7c60 [ 246.619422][ T6287] ? sysfs_warn_dup+0xa0/0xa0 [ 246.624132][ T6287] ? do_raw_spin_unlock+0x11d/0x230 [ 246.629347][ T6287] kobject_add_internal+0x662/0xd00 [ 246.634558][ T6287] kobject_init_and_add+0x122/0x190 [ 246.639761][ T6287] ? lockdep_softirqs_off+0x420/0x420 [ 246.645142][ T6287] ? kobject_add+0x210/0x210 [ 246.649743][ T6287] ? __init_swait_queue_head+0xa5/0x150 [ 246.655296][ T6287] gfs2_sys_fs_add+0x234/0x480 [ 246.660066][ T6287] ? gfs2_recover_set+0x240/0x240 [ 246.665187][ T6287] ? snprintf+0xd7/0x120 [ 246.669435][ T6287] ? __free_pages+0x95/0x1a0 [ 246.674042][ T6287] ? vscnprintf+0x80/0x80 [ 246.678478][ T6287] gfs2_fill_super+0x128d/0x1f50 [ 246.683519][ T6287] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.688637][ T6287] ? preempt_count_add+0x8d/0x190 [ 246.693671][ T6287] ? sb_set_blocksize+0xa5/0xe0 [ 246.698543][ T6287] get_tree_bdev+0x3f1/0x610 [ 246.703146][ T6287] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.708183][ T6287] gfs2_get_tree+0x4d/0x1e0 [ 246.712698][ T6287] vfs_get_tree+0x88/0x270 [ 246.717211][ T6287] do_new_mount+0x24a/0xa40 [ 246.721729][ T6287] __se_sys_mount+0x2d6/0x3c0 [ 246.726421][ T6287] ? __x64_sys_mount+0xc0/0xc0 [ 246.731209][ T6287] ? lockdep_hardirqs_on+0x94/0x140 [ 246.736412][ T6287] ? __x64_sys_mount+0x1c/0xc0 [ 246.741274][ T6287] do_syscall_64+0x4c/0xa0 [ 246.745701][ T6287] ? clear_bhb_loop+0x30/0x80 [ 246.750373][ T6287] ? clear_bhb_loop+0x30/0x80 [ 246.755059][ T6287] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 246.760961][ T6287] RIP: 0033:0x7f014a09310a [ 246.765379][ T6287] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 246.784989][ T6287] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.793407][ T6287] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 246.801386][ T6287] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 246.809365][ T6287] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 246.817344][ T6287] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 246.825322][ T6287] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 246.833312][ T6287] [ 246.841851][ T6289] CPU: 1 PID: 6289 Comm: syz.3.294 Not tainted syzkaller #0 [ 246.849166][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 246.859234][ T6289] Call Trace: [ 246.862523][ T6289] [ 246.865454][ T6289] dump_stack_lvl+0x168/0x230 [ 246.870143][ T6289] ? show_regs_print_info+0x20/0x20 [ 246.875346][ T6289] ? load_image+0x3b0/0x3b0 [ 246.879863][ T6289] sysfs_create_dir_ns+0x252/0x280 [ 246.884997][ T6289] ? __lock_acquire+0x7c60/0x7c60 [ 246.890026][ T6289] ? sysfs_warn_dup+0xa0/0xa0 [ 246.894713][ T6289] ? do_raw_spin_unlock+0x11d/0x230 [ 246.899918][ T6289] kobject_add_internal+0x662/0xd00 [ 246.905122][ T6289] kobject_init_and_add+0x122/0x190 [ 246.910318][ T6289] ? lockdep_softirqs_off+0x420/0x420 [ 246.915695][ T6289] ? kobject_add+0x210/0x210 [ 246.920291][ T6289] ? __init_swait_queue_head+0xa5/0x150 [ 246.925932][ T6289] gfs2_sys_fs_add+0x234/0x480 [ 246.930697][ T6289] ? gfs2_recover_set+0x240/0x240 [ 246.935718][ T6289] ? snprintf+0xd7/0x120 [ 246.939960][ T6289] ? __free_pages+0x95/0x1a0 [ 246.944558][ T6289] ? vscnprintf+0x80/0x80 [ 246.948915][ T6289] gfs2_fill_super+0x128d/0x1f50 [ 246.953873][ T6289] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.958918][ T6289] ? preempt_count_add+0x8d/0x190 [ 246.963989][ T6289] ? sb_set_blocksize+0xa5/0xe0 [ 246.965271][ T6293] loop4: detected capacity change from 0 to 32768 [ 246.968840][ T6289] get_tree_bdev+0x3f1/0x610 [ 246.979805][ T6289] ? gfs2_reconfigure+0xcd0/0xcd0 [ 246.984835][ T6289] gfs2_get_tree+0x4d/0x1e0 [ 246.989341][ T6289] vfs_get_tree+0x88/0x270 [ 246.993748][ T6289] do_new_mount+0x24a/0xa40 [ 246.998239][ T6289] __se_sys_mount+0x2d6/0x3c0 [ 247.002906][ T6289] ? __x64_sys_mount+0xc0/0xc0 [ 247.007655][ T6289] ? lockdep_hardirqs_on+0x94/0x140 [ 247.012858][ T6289] ? __x64_sys_mount+0x1c/0xc0 [ 247.017630][ T6289] do_syscall_64+0x4c/0xa0 [ 247.022029][ T6289] ? clear_bhb_loop+0x30/0x80 [ 247.026683][ T6289] ? clear_bhb_loop+0x30/0x80 [ 247.031366][ T6289] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 247.037241][ T6289] RIP: 0033:0x7f6aa219a10a [ 247.041637][ T6289] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 247.061226][ T6289] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 247.069630][ T6289] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 247.077584][ T6289] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 247.085535][ T6289] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 247.093485][ T6289] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 247.101433][ T6289] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 247.109393][ T6289] [ 247.115004][ T6285] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 247.115026][ T6291] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 247.123886][ T6287] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 247.139889][ T6293] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 247.175099][ T6287] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 247.176429][ T6293] CPU: 1 PID: 6293 Comm: syz.4.296 Not tainted syzkaller #0 [ 247.184192][ T6291] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 247.189598][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 247.189609][ T6293] Call Trace: [ 247.189616][ T6293] [ 247.189623][ T6293] dump_stack_lvl+0x168/0x230 [ 247.198870][ T6289] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 247.206847][ T6293] ? show_regs_print_info+0x20/0x20 [ 247.206873][ T6293] ? load_image+0x3b0/0x3b0 [ 247.206906][ T6293] sysfs_create_dir_ns+0x252/0x280 [ 247.210708][ T6289] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 247.213112][ T6293] ? __lock_acquire+0x7c60/0x7c60 [ 247.213136][ T6293] ? sysfs_warn_dup+0xa0/0xa0 [ 247.213157][ T6293] ? do_raw_spin_unlock+0x11d/0x230 [ 247.213173][ T6293] kobject_add_internal+0x662/0xd00 [ 247.273782][ T6293] kobject_init_and_add+0x122/0x190 [ 247.278974][ T6293] ? lockdep_softirqs_off+0x420/0x420 [ 247.284337][ T6293] ? kobject_add+0x210/0x210 [ 247.288943][ T6293] ? __init_swait_queue_head+0xa5/0x150 [ 247.294476][ T6293] gfs2_sys_fs_add+0x234/0x480 [ 247.299228][ T6293] ? gfs2_recover_set+0x240/0x240 [ 247.304247][ T6293] ? snprintf+0xd7/0x120 [ 247.308557][ T6293] ? __free_pages+0x95/0x1a0 [ 247.313136][ T6293] ? vscnprintf+0x80/0x80 [ 247.317464][ T6293] gfs2_fill_super+0x128d/0x1f50 [ 247.322401][ T6293] ? gfs2_reconfigure+0xcd0/0xcd0 [ 247.327414][ T6293] ? preempt_count_add+0x8d/0x190 [ 247.332448][ T6293] ? sb_set_blocksize+0xa5/0xe0 [ 247.337306][ T6293] get_tree_bdev+0x3f1/0x610 [ 247.341880][ T6293] ? gfs2_reconfigure+0xcd0/0xcd0 [ 247.346914][ T6293] gfs2_get_tree+0x4d/0x1e0 [ 247.351404][ T6293] vfs_get_tree+0x88/0x270 [ 247.355806][ T6293] do_new_mount+0x24a/0xa40 [ 247.360297][ T6293] __se_sys_mount+0x2d6/0x3c0 [ 247.364963][ T6293] ? __x64_sys_mount+0xc0/0xc0 [ 247.369708][ T6293] ? lockdep_hardirqs_on+0x94/0x140 [ 247.374886][ T6293] ? __x64_sys_mount+0x1c/0xc0 [ 247.379655][ T6293] do_syscall_64+0x4c/0xa0 [ 247.384050][ T6293] ? clear_bhb_loop+0x30/0x80 [ 247.388727][ T6293] ? clear_bhb_loop+0x30/0x80 [ 247.393394][ T6293] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 247.399265][ T6293] RIP: 0033:0x7f8aec84010a [ 247.403657][ T6293] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 247.423242][ T6293] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 247.431646][ T6293] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 247.439611][ T6293] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 247.447558][ T6293] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 247.455515][ T6293] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 247.463474][ T6293] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 247.471622][ T6293] [ 247.477279][ T4224] Bluetooth: hci5: command 0x0406 tx timeout [ 247.490985][ T6293] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 247.505252][ T6293] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files 2025/09/13 09:48:36 executed programs: 292 [ 248.566033][ T6295] loop1: detected capacity change from 0 to 32768 [ 248.644203][ T6295] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 248.671728][ T6295] CPU: 1 PID: 6295 Comm: syz.1.297 Not tainted syzkaller #0 [ 248.679047][ T6295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 248.689110][ T6295] Call Trace: [ 248.692395][ T6295] [ 248.695341][ T6295] dump_stack_lvl+0x168/0x230 [ 248.700113][ T6295] ? show_regs_print_info+0x20/0x20 [ 248.705316][ T6295] ? load_image+0x3b0/0x3b0 [ 248.709841][ T6295] sysfs_create_dir_ns+0x252/0x280 [ 248.714978][ T6295] ? __lock_acquire+0x7c60/0x7c60 [ 248.720019][ T6295] ? sysfs_warn_dup+0xa0/0xa0 [ 248.724739][ T6295] ? do_raw_spin_unlock+0x11d/0x230 [ 248.729945][ T6295] kobject_add_internal+0x662/0xd00 [ 248.735165][ T6295] kobject_init_and_add+0x122/0x190 [ 248.740365][ T6295] ? lockdep_softirqs_off+0x420/0x420 [ 248.745745][ T6295] ? kobject_add+0x210/0x210 [ 248.750337][ T6295] ? __init_swait_queue_head+0xa5/0x150 [ 248.755896][ T6295] gfs2_sys_fs_add+0x234/0x480 [ 248.760669][ T6295] ? gfs2_recover_set+0x240/0x240 [ 248.765707][ T6295] ? snprintf+0xd7/0x120 [ 248.769634][ T6299] loop3: detected capacity change from 0 to 32768 [ 248.769961][ T6295] ? __free_pages+0x95/0x1a0 [ 248.780946][ T6295] ? vscnprintf+0x80/0x80 [ 248.785294][ T6295] gfs2_fill_super+0x128d/0x1f50 [ 248.790255][ T6295] ? gfs2_reconfigure+0xcd0/0xcd0 [ 248.795548][ T6295] ? preempt_count_add+0x8d/0x190 [ 248.800586][ T6295] ? sb_set_blocksize+0xa5/0xe0 [ 248.805440][ T6295] get_tree_bdev+0x3f1/0x610 [ 248.810018][ T6295] ? gfs2_reconfigure+0xcd0/0xcd0 [ 248.815025][ T6295] gfs2_get_tree+0x4d/0x1e0 [ 248.819770][ T6295] vfs_get_tree+0x88/0x270 [ 248.824169][ T6295] do_new_mount+0x24a/0xa40 [ 248.828660][ T6295] __se_sys_mount+0x2d6/0x3c0 [ 248.833327][ T6295] ? __x64_sys_mount+0xc0/0xc0 [ 248.838078][ T6295] ? lockdep_hardirqs_on+0x94/0x140 [ 248.843256][ T6295] ? __x64_sys_mount+0x1c/0xc0 [ 248.848002][ T6295] do_syscall_64+0x4c/0xa0 [ 248.852395][ T6295] ? clear_bhb_loop+0x30/0x80 [ 248.857049][ T6295] ? clear_bhb_loop+0x30/0x80 [ 248.861725][ T6295] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 248.867599][ T6295] RIP: 0033:0x7f370392d10a [ 248.871999][ T6295] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 248.891586][ T6295] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 248.899996][ T6295] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 248.907975][ T6295] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 248.915928][ T6295] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 248.923882][ T6295] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 248.931842][ T6295] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 248.939805][ T6295] [ 248.971834][ T6295] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 248.990593][ T6297] loop2: detected capacity change from 0 to 32768 [ 248.997274][ T6295] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 249.011077][ T6297] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 249.020226][ T6297] CPU: 0 PID: 6297 Comm: syz.2.298 Not tainted syzkaller #0 [ 249.027533][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 249.032891][ T6301] loop5: detected capacity change from 0 to 32768 [ 249.037610][ T6297] Call Trace: [ 249.037620][ T6297] [ 249.037627][ T6297] dump_stack_lvl+0x168/0x230 [ 249.037654][ T6297] ? show_regs_print_info+0x20/0x20 [ 249.060097][ T6297] ? load_image+0x3b0/0x3b0 [ 249.064623][ T6297] sysfs_create_dir_ns+0x252/0x280 [ 249.069740][ T6297] ? __lock_acquire+0x7c60/0x7c60 [ 249.074764][ T6297] ? sysfs_warn_dup+0xa0/0xa0 [ 249.079460][ T6297] ? do_raw_spin_unlock+0x11d/0x230 [ 249.084668][ T6297] kobject_add_internal+0x662/0xd00 [ 249.089879][ T6297] kobject_init_and_add+0x122/0x190 [ 249.095090][ T6297] ? lockdep_softirqs_off+0x420/0x420 [ 249.100477][ T6297] ? kobject_add+0x210/0x210 [ 249.105088][ T6297] ? __init_swait_queue_head+0xa5/0x150 [ 249.110640][ T6297] gfs2_sys_fs_add+0x234/0x480 [ 249.115423][ T6297] ? gfs2_recover_set+0x240/0x240 [ 249.120448][ T6297] ? snprintf+0xd7/0x120 [ 249.124691][ T6297] ? __free_pages+0x95/0x1a0 [ 249.129286][ T6297] ? vscnprintf+0x80/0x80 [ 249.133631][ T6297] gfs2_fill_super+0x128d/0x1f50 [ 249.138591][ T6297] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.143621][ T6297] ? preempt_count_add+0x8d/0x190 [ 249.148657][ T6297] ? sb_set_blocksize+0xa5/0xe0 [ 249.153515][ T6297] get_tree_bdev+0x3f1/0x610 [ 249.158107][ T6297] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.163133][ T6297] gfs2_get_tree+0x4d/0x1e0 [ 249.167641][ T6297] vfs_get_tree+0x88/0x270 [ 249.172160][ T6297] do_new_mount+0x24a/0xa40 [ 249.176675][ T6297] __se_sys_mount+0x2d6/0x3c0 [ 249.181358][ T6297] ? __x64_sys_mount+0xc0/0xc0 [ 249.186128][ T6297] ? lockdep_hardirqs_on+0x94/0x140 [ 249.187413][ T6303] loop4: detected capacity change from 0 to 32768 [ 249.191321][ T6297] ? __x64_sys_mount+0x1c/0xc0 [ 249.191344][ T6297] do_syscall_64+0x4c/0xa0 [ 249.191358][ T6297] ? clear_bhb_loop+0x30/0x80 [ 249.199533][ T6299] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 249.202502][ T6297] ? clear_bhb_loop+0x30/0x80 [ 249.202529][ T6297] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.202546][ T6297] RIP: 0033:0x7f014a09310a [ 249.202563][ T6297] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 249.202577][ T6297] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 249.202595][ T6297] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 249.202607][ T6297] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 249.202620][ T6297] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 249.202630][ T6297] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 249.202697][ T6297] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 249.202719][ T6297] [ 249.218707][ T6297] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 249.220388][ T6299] CPU: 1 PID: 6299 Comm: syz.3.299 Not tainted syzkaller #0 [ 249.230539][ T6297] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 249.230580][ T6299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 249.343956][ T6299] Call Trace: [ 249.347220][ T6299] [ 249.350139][ T6299] dump_stack_lvl+0x168/0x230 [ 249.354805][ T6299] ? show_regs_print_info+0x20/0x20 [ 249.360034][ T6299] ? load_image+0x3b0/0x3b0 [ 249.364528][ T6299] sysfs_create_dir_ns+0x252/0x280 [ 249.369620][ T6299] ? __lock_acquire+0x7c60/0x7c60 [ 249.374627][ T6299] ? sysfs_warn_dup+0xa0/0xa0 [ 249.379287][ T6299] ? do_raw_spin_unlock+0x11d/0x230 [ 249.384481][ T6299] kobject_add_internal+0x662/0xd00 [ 249.389691][ T6299] kobject_init_and_add+0x122/0x190 [ 249.394982][ T6299] ? lockdep_softirqs_off+0x420/0x420 [ 249.400348][ T6299] ? kobject_add+0x210/0x210 [ 249.404923][ T6299] ? __init_swait_queue_head+0xa5/0x150 [ 249.410454][ T6299] gfs2_sys_fs_add+0x234/0x480 [ 249.415638][ T6299] ? gfs2_recover_set+0x240/0x240 [ 249.420645][ T6299] ? snprintf+0xd7/0x120 [ 249.424871][ T6299] ? __free_pages+0x95/0x1a0 [ 249.429457][ T6299] ? vscnprintf+0x80/0x80 [ 249.433778][ T6299] gfs2_fill_super+0x128d/0x1f50 [ 249.438800][ T6299] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.443809][ T6299] ? preempt_count_add+0x8d/0x190 [ 249.448833][ T6299] ? sb_set_blocksize+0xa5/0xe0 [ 249.453668][ T6299] get_tree_bdev+0x3f1/0x610 [ 249.458252][ T6299] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.463264][ T6299] gfs2_get_tree+0x4d/0x1e0 [ 249.467851][ T6299] vfs_get_tree+0x88/0x270 [ 249.472256][ T6299] do_new_mount+0x24a/0xa40 [ 249.476752][ T6299] __se_sys_mount+0x2d6/0x3c0 [ 249.481532][ T6299] ? __x64_sys_mount+0xc0/0xc0 [ 249.486308][ T6299] ? lockdep_hardirqs_on+0x94/0x140 [ 249.491502][ T6299] ? __x64_sys_mount+0x1c/0xc0 [ 249.496256][ T6299] do_syscall_64+0x4c/0xa0 [ 249.500659][ T6299] ? clear_bhb_loop+0x30/0x80 [ 249.505317][ T6299] ? clear_bhb_loop+0x30/0x80 [ 249.509978][ T6299] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.515854][ T6299] RIP: 0033:0x7f6aa219a10a [ 249.520259][ T6299] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 249.539933][ T6299] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 249.548333][ T6299] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 249.556288][ T6299] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 249.564239][ T6299] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 249.572278][ T6299] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 249.580234][ T6299] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 249.588210][ T6299] [ 249.621730][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 249.629826][ T6303] CPU: 1 PID: 6303 Comm: syz.4.301 Not tainted syzkaller #0 [ 249.631651][ T6299] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 249.637108][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 249.637120][ T6303] Call Trace: [ 249.637126][ T6303] [ 249.637134][ T6303] dump_stack_lvl+0x168/0x230 [ 249.637161][ T6303] ? show_regs_print_info+0x20/0x20 [ 249.651191][ T6299] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 249.661063][ T6303] ? load_image+0x3b0/0x3b0 [ 249.661097][ T6303] sysfs_create_dir_ns+0x252/0x280 [ 249.661119][ T6303] ? __lock_acquire+0x7c60/0x7c60 [ 249.698794][ T6303] ? sysfs_warn_dup+0xa0/0xa0 [ 249.703469][ T6303] ? do_raw_spin_unlock+0x11d/0x230 [ 249.708655][ T6303] kobject_add_internal+0x662/0xd00 [ 249.713849][ T6303] kobject_init_and_add+0x122/0x190 [ 249.719027][ T6303] ? lockdep_softirqs_off+0x420/0x420 [ 249.724388][ T6303] ? kobject_add+0x210/0x210 [ 249.728966][ T6303] ? __init_swait_queue_head+0xa5/0x150 [ 249.734500][ T6303] gfs2_sys_fs_add+0x234/0x480 [ 249.739260][ T6303] ? gfs2_recover_set+0x240/0x240 [ 249.744268][ T6303] ? snprintf+0xd7/0x120 [ 249.748523][ T6303] ? __free_pages+0x95/0x1a0 [ 249.753096][ T6303] ? vscnprintf+0x80/0x80 [ 249.757414][ T6303] gfs2_fill_super+0x128d/0x1f50 [ 249.762344][ T6303] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.767349][ T6303] ? preempt_count_add+0x8d/0x190 [ 249.772362][ T6303] ? sb_set_blocksize+0xa5/0xe0 [ 249.777198][ T6303] get_tree_bdev+0x3f1/0x610 [ 249.781769][ T6303] ? gfs2_reconfigure+0xcd0/0xcd0 [ 249.786776][ T6303] gfs2_get_tree+0x4d/0x1e0 [ 249.791260][ T6303] vfs_get_tree+0x88/0x270 [ 249.795660][ T6303] do_new_mount+0x24a/0xa40 [ 249.800151][ T6303] __se_sys_mount+0x2d6/0x3c0 [ 249.804810][ T6303] ? __x64_sys_mount+0xc0/0xc0 [ 249.809561][ T6303] ? lockdep_hardirqs_on+0x94/0x140 [ 249.814736][ T6303] ? __x64_sys_mount+0x1c/0xc0 [ 249.819479][ T6303] do_syscall_64+0x4c/0xa0 [ 249.823873][ T6303] ? clear_bhb_loop+0x30/0x80 [ 249.828532][ T6303] ? clear_bhb_loop+0x30/0x80 [ 249.833190][ T6303] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.839072][ T6303] RIP: 0033:0x7f8aec84010a [ 249.843466][ T6303] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 249.863053][ T6303] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 249.871447][ T6303] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 249.879399][ T6303] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 249.887447][ T6303] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 249.895397][ T6303] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 249.903346][ T6303] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 249.911305][ T6303] [ 249.918900][ T6303] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 249.947358][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 249.999194][ T6303] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 250.006638][ T6301] CPU: 1 PID: 6301 Comm: syz.5.300 Not tainted syzkaller #0 [ 250.013932][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 250.024086][ T6301] Call Trace: [ 250.027369][ T6301] [ 250.030304][ T6301] dump_stack_lvl+0x168/0x230 [ 250.035005][ T6301] ? show_regs_print_info+0x20/0x20 [ 250.040215][ T6301] ? load_image+0x3b0/0x3b0 [ 250.044837][ T6301] sysfs_create_dir_ns+0x252/0x280 [ 250.049955][ T6301] ? __lock_acquire+0x7c60/0x7c60 [ 250.054986][ T6301] ? sysfs_warn_dup+0xa0/0xa0 [ 250.059676][ T6301] ? do_raw_spin_unlock+0x11d/0x230 [ 250.064881][ T6301] kobject_add_internal+0x662/0xd00 [ 250.070091][ T6301] kobject_init_and_add+0x122/0x190 [ 250.075297][ T6301] ? lockdep_softirqs_off+0x420/0x420 [ 250.080686][ T6301] ? kobject_add+0x210/0x210 [ 250.085323][ T6301] ? __init_swait_queue_head+0xa5/0x150 [ 250.090882][ T6301] gfs2_sys_fs_add+0x234/0x480 [ 250.095828][ T6301] ? gfs2_recover_set+0x240/0x240 [ 250.100872][ T6301] ? snprintf+0xd7/0x120 [ 250.105131][ T6301] ? __free_pages+0x95/0x1a0 [ 250.109749][ T6301] ? vscnprintf+0x80/0x80 [ 250.114115][ T6301] gfs2_fill_super+0x128d/0x1f50 [ 250.119071][ T6301] ? gfs2_reconfigure+0xcd0/0xcd0 [ 250.124109][ T6301] ? preempt_count_add+0x8d/0x190 [ 250.129157][ T6301] ? sb_set_blocksize+0xa5/0xe0 [ 250.134024][ T6301] get_tree_bdev+0x3f1/0x610 [ 250.138625][ T6301] ? gfs2_reconfigure+0xcd0/0xcd0 [ 250.143660][ T6301] gfs2_get_tree+0x4d/0x1e0 [ 250.148178][ T6301] vfs_get_tree+0x88/0x270 [ 250.152601][ T6301] do_new_mount+0x24a/0xa40 [ 250.157112][ T6301] __se_sys_mount+0x2d6/0x3c0 [ 250.161976][ T6301] ? __x64_sys_mount+0xc0/0xc0 [ 250.166751][ T6301] ? lockdep_hardirqs_on+0x94/0x140 [ 250.171964][ T6301] ? __x64_sys_mount+0x1c/0xc0 [ 250.176736][ T6301] do_syscall_64+0x4c/0xa0 [ 250.181181][ T6301] ? clear_bhb_loop+0x30/0x80 [ 250.185856][ T6301] ? clear_bhb_loop+0x30/0x80 [ 250.190538][ T6301] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 250.196435][ T6301] RIP: 0033:0x7f18bd52010a [ 250.200855][ T6301] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 250.220552][ T6301] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 250.228976][ T6301] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 250.237120][ T6301] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 250.245095][ T6301] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 250.253071][ T6301] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 250.261140][ T6301] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 250.269306][ T6301] [ 250.381819][ T6301] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 250.405947][ T6301] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 250.877720][ T6305] loop1: detected capacity change from 0 to 32768 [ 250.918060][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 250.942991][ T6305] CPU: 0 PID: 6305 Comm: syz.1.302 Not tainted syzkaller #0 [ 250.950326][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 250.960393][ T6305] Call Trace: [ 250.963682][ T6305] [ 250.966616][ T6305] dump_stack_lvl+0x168/0x230 [ 250.971312][ T6305] ? show_regs_print_info+0x20/0x20 [ 250.976523][ T6305] ? load_image+0x3b0/0x3b0 [ 250.981046][ T6305] sysfs_create_dir_ns+0x252/0x280 [ 250.986184][ T6305] ? __lock_acquire+0x7c60/0x7c60 [ 250.991216][ T6305] ? sysfs_warn_dup+0xa0/0xa0 [ 250.995907][ T6305] ? do_raw_spin_unlock+0x11d/0x230 [ 251.001111][ T6305] kobject_add_internal+0x662/0xd00 [ 251.006318][ T6305] kobject_init_and_add+0x122/0x190 [ 251.011524][ T6305] ? lockdep_softirqs_off+0x420/0x420 [ 251.016899][ T6305] ? kobject_add+0x210/0x210 [ 251.021556][ T6305] ? __init_swait_queue_head+0xa5/0x150 [ 251.027106][ T6305] gfs2_sys_fs_add+0x234/0x480 [ 251.031878][ T6305] ? gfs2_recover_set+0x240/0x240 [ 251.036908][ T6305] ? snprintf+0xd7/0x120 [ 251.041155][ T6305] ? __free_pages+0x95/0x1a0 [ 251.045750][ T6305] ? vscnprintf+0x80/0x80 [ 251.050090][ T6305] gfs2_fill_super+0x128d/0x1f50 [ 251.055041][ T6305] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.060073][ T6305] ? preempt_count_add+0x8d/0x190 [ 251.065141][ T6305] ? sb_set_blocksize+0xa5/0xe0 [ 251.069997][ T6305] get_tree_bdev+0x3f1/0x610 [ 251.074592][ T6305] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.079623][ T6305] gfs2_get_tree+0x4d/0x1e0 [ 251.084132][ T6305] vfs_get_tree+0x88/0x270 [ 251.088562][ T6305] do_new_mount+0x24a/0xa40 [ 251.093075][ T6305] __se_sys_mount+0x2d6/0x3c0 [ 251.097757][ T6305] ? __x64_sys_mount+0xc0/0xc0 [ 251.102531][ T6305] ? lockdep_hardirqs_on+0x94/0x140 [ 251.107725][ T6305] ? __x64_sys_mount+0x1c/0xc0 [ 251.112592][ T6305] do_syscall_64+0x4c/0xa0 [ 251.117011][ T6305] ? clear_bhb_loop+0x30/0x80 [ 251.121690][ T6305] ? clear_bhb_loop+0x30/0x80 [ 251.126375][ T6305] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 251.132275][ T6305] RIP: 0033:0x7f370392d10a [ 251.136695][ T6305] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 251.156304][ T6305] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 251.164729][ T6305] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 251.172712][ T6305] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 251.180691][ T6305] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 251.188670][ T6305] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 251.196648][ T6305] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 251.204638][ T6305] [ 251.337072][ T6307] loop4: detected capacity change from 0 to 32768 [ 251.391884][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 251.410261][ T6307] CPU: 1 PID: 6307 Comm: syz.4.303 Not tainted syzkaller #0 [ 251.417584][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 251.427645][ T6307] Call Trace: [ 251.431105][ T6307] [ 251.434034][ T6307] dump_stack_lvl+0x168/0x230 [ 251.438720][ T6307] ? show_regs_print_info+0x20/0x20 [ 251.443931][ T6307] ? load_image+0x3b0/0x3b0 [ 251.448451][ T6307] sysfs_create_dir_ns+0x252/0x280 [ 251.453582][ T6307] ? __lock_acquire+0x7c60/0x7c60 [ 251.458609][ T6307] ? sysfs_warn_dup+0xa0/0xa0 [ 251.463396][ T6307] ? do_raw_spin_unlock+0x11d/0x230 [ 251.468600][ T6307] kobject_add_internal+0x662/0xd00 [ 251.473807][ T6307] kobject_init_and_add+0x122/0x190 [ 251.479107][ T6307] ? lockdep_softirqs_off+0x420/0x420 [ 251.484490][ T6307] ? kobject_add+0x210/0x210 [ 251.489098][ T6307] ? __init_swait_queue_head+0xa5/0x150 [ 251.494655][ T6307] gfs2_sys_fs_add+0x234/0x480 [ 251.499428][ T6307] ? gfs2_recover_set+0x240/0x240 [ 251.504456][ T6307] ? snprintf+0xd7/0x120 [ 251.508792][ T6307] ? __free_pages+0x95/0x1a0 [ 251.513397][ T6307] ? vscnprintf+0x80/0x80 [ 251.517743][ T6307] gfs2_fill_super+0x128d/0x1f50 [ 251.522689][ T6307] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.527716][ T6307] ? preempt_count_add+0x8d/0x190 [ 251.532756][ T6307] ? sb_set_blocksize+0xa5/0xe0 [ 251.537615][ T6307] get_tree_bdev+0x3f1/0x610 [ 251.542211][ T6307] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.547353][ T6307] gfs2_get_tree+0x4d/0x1e0 [ 251.551868][ T6307] vfs_get_tree+0x88/0x270 [ 251.556287][ T6307] do_new_mount+0x24a/0xa40 [ 251.560793][ T6307] __se_sys_mount+0x2d6/0x3c0 [ 251.565475][ T6307] ? __x64_sys_mount+0xc0/0xc0 [ 251.570251][ T6307] ? lockdep_hardirqs_on+0x94/0x140 [ 251.575451][ T6307] ? __x64_sys_mount+0x1c/0xc0 [ 251.580224][ T6307] do_syscall_64+0x4c/0xa0 [ 251.584640][ T6307] ? clear_bhb_loop+0x30/0x80 [ 251.589320][ T6307] ? clear_bhb_loop+0x30/0x80 [ 251.594007][ T6307] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 251.599930][ T6307] RIP: 0033:0x7f8aec84010a [ 251.604344][ T6307] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 251.623959][ T6307] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 251.632648][ T6307] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 251.640626][ T6307] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 251.648773][ T6307] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 251.656755][ T6307] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 251.659136][ T6311] loop3: detected capacity change from 0 to 32768 [ 251.664725][ T6307] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 251.664750][ T6307] [ 251.720459][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 251.741622][ T6311] CPU: 0 PID: 6311 Comm: syz.3.305 Not tainted syzkaller #0 [ 251.748943][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 251.759087][ T6311] Call Trace: [ 251.762374][ T6311] [ 251.765316][ T6311] dump_stack_lvl+0x168/0x230 [ 251.770000][ T6311] ? show_regs_print_info+0x20/0x20 [ 251.775203][ T6311] ? load_image+0x3b0/0x3b0 [ 251.779724][ T6311] sysfs_create_dir_ns+0x252/0x280 [ 251.784845][ T6311] ? __lock_acquire+0x7c60/0x7c60 [ 251.789876][ T6311] ? sysfs_warn_dup+0xa0/0xa0 [ 251.794563][ T6311] ? do_raw_spin_unlock+0x11d/0x230 [ 251.799774][ T6311] kobject_add_internal+0x662/0xd00 [ 251.805417][ T6311] kobject_init_and_add+0x122/0x190 [ 251.807833][ T6309] loop2: detected capacity change from 0 to 32768 [ 251.810614][ T6311] ? lockdep_softirqs_off+0x420/0x420 [ 251.810640][ T6311] ? kobject_add+0x210/0x210 [ 251.810662][ T6311] ? __init_swait_queue_head+0xa5/0x150 [ 251.810685][ T6311] gfs2_sys_fs_add+0x234/0x480 [ 251.831345][ T6307] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 251.832527][ T6311] ? gfs2_recover_set+0x240/0x240 [ 251.832552][ T6311] ? snprintf+0xd7/0x120 [ 251.832569][ T6311] ? __free_pages+0x95/0x1a0 [ 251.832594][ T6311] ? vscnprintf+0x80/0x80 [ 251.832621][ T6311] gfs2_fill_super+0x128d/0x1f50 [ 251.832653][ T6311] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.845185][ T6307] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 251.851272][ T6311] ? preempt_count_add+0x8d/0x190 [ 251.851305][ T6311] ? sb_set_blocksize+0xa5/0xe0 [ 251.851327][ T6311] get_tree_bdev+0x3f1/0x610 [ 251.865028][ T6305] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 251.865169][ T6311] ? gfs2_reconfigure+0xcd0/0xcd0 [ 251.869679][ T6305] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 251.874388][ T6311] gfs2_get_tree+0x4d/0x1e0 [ 251.874411][ T6311] vfs_get_tree+0x88/0x270 [ 251.874431][ T6311] do_new_mount+0x24a/0xa40 [ 251.874454][ T6311] __se_sys_mount+0x2d6/0x3c0 [ 251.874475][ T6311] ? __x64_sys_mount+0xc0/0xc0 [ 251.874496][ T6311] ? lockdep_hardirqs_on+0x94/0x140 [ 251.874511][ T6311] ? __x64_sys_mount+0x1c/0xc0 [ 251.874529][ T6311] do_syscall_64+0x4c/0xa0 [ 251.964726][ T6311] ? clear_bhb_loop+0x30/0x80 [ 251.969421][ T6311] ? clear_bhb_loop+0x30/0x80 [ 251.974107][ T6311] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 251.979998][ T6311] RIP: 0033:0x7f6aa219a10a [ 251.984416][ T6311] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 252.004025][ T6311] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.012448][ T6311] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 252.020431][ T6311] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 252.028503][ T6311] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 252.036481][ T6311] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 252.044463][ T6311] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 252.052457][ T6311] [ 252.061338][ T6311] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 252.075392][ T6311] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 252.076612][ T6313] loop5: detected capacity change from 0 to 32768 [ 252.114293][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 252.122481][ T6313] CPU: 1 PID: 6313 Comm: syz.5.306 Not tainted syzkaller #0 [ 252.129764][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 252.139902][ T6313] Call Trace: [ 252.143190][ T6313] [ 252.146249][ T6313] dump_stack_lvl+0x168/0x230 [ 252.151006][ T6313] ? show_regs_print_info+0x20/0x20 [ 252.156241][ T6313] ? load_image+0x3b0/0x3b0 [ 252.160765][ T6313] sysfs_create_dir_ns+0x252/0x280 [ 252.165887][ T6313] ? __lock_acquire+0x7c60/0x7c60 [ 252.170924][ T6313] ? sysfs_warn_dup+0xa0/0xa0 [ 252.175615][ T6313] ? do_raw_spin_unlock+0x11d/0x230 [ 252.180824][ T6313] kobject_add_internal+0x662/0xd00 [ 252.186184][ T6313] kobject_init_and_add+0x122/0x190 [ 252.191401][ T6313] ? lockdep_softirqs_off+0x420/0x420 [ 252.196783][ T6313] ? kobject_add+0x210/0x210 [ 252.201380][ T6313] ? __init_swait_queue_head+0xa5/0x150 [ 252.206934][ T6313] gfs2_sys_fs_add+0x234/0x480 [ 252.211706][ T6313] ? gfs2_recover_set+0x240/0x240 [ 252.216753][ T6313] ? snprintf+0xd7/0x120 [ 252.221000][ T6313] ? __free_pages+0x95/0x1a0 [ 252.225600][ T6313] ? vscnprintf+0x80/0x80 [ 252.229949][ T6313] gfs2_fill_super+0x128d/0x1f50 [ 252.235001][ T6313] ? gfs2_reconfigure+0xcd0/0xcd0 [ 252.240135][ T6313] ? preempt_count_add+0x8d/0x190 [ 252.245178][ T6313] ? sb_set_blocksize+0xa5/0xe0 [ 252.250045][ T6313] get_tree_bdev+0x3f1/0x610 [ 252.254649][ T6313] ? gfs2_reconfigure+0xcd0/0xcd0 [ 252.259704][ T6313] gfs2_get_tree+0x4d/0x1e0 [ 252.264222][ T6313] vfs_get_tree+0x88/0x270 [ 252.267561][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 252.268643][ T6313] do_new_mount+0x24a/0xa40 [ 252.281188][ T6313] __se_sys_mount+0x2d6/0x3c0 [ 252.285882][ T6313] ? __x64_sys_mount+0xc0/0xc0 [ 252.290658][ T6313] ? lockdep_hardirqs_on+0x94/0x140 [ 252.295864][ T6313] ? __x64_sys_mount+0x1c/0xc0 [ 252.300638][ T6313] do_syscall_64+0x4c/0xa0 [ 252.305088][ T6313] ? clear_bhb_loop+0x30/0x80 [ 252.309770][ T6313] ? clear_bhb_loop+0x30/0x80 [ 252.314461][ T6313] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.320404][ T6313] RIP: 0033:0x7f18bd52010a [ 252.324822][ T6313] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 252.344526][ T6313] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.352949][ T6313] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 252.360928][ T6313] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 252.368899][ T6313] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 252.376873][ T6313] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 252.384853][ T6313] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 252.392849][ T6313] [ 252.402952][ T6309] CPU: 1 PID: 6309 Comm: syz.2.304 Not tainted syzkaller #0 [ 252.410266][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 252.420328][ T6309] Call Trace: [ 252.423610][ T6309] [ 252.426545][ T6309] dump_stack_lvl+0x168/0x230 [ 252.431229][ T6309] ? show_regs_print_info+0x20/0x20 [ 252.436473][ T6309] ? load_image+0x3b0/0x3b0 [ 252.440991][ T6309] sysfs_create_dir_ns+0x252/0x280 [ 252.446151][ T6309] ? __lock_acquire+0x7c60/0x7c60 [ 252.451184][ T6309] ? sysfs_warn_dup+0xa0/0xa0 [ 252.455870][ T6309] ? do_raw_spin_unlock+0x11d/0x230 [ 252.461072][ T6309] kobject_add_internal+0x662/0xd00 [ 252.466297][ T6309] kobject_init_and_add+0x122/0x190 [ 252.471505][ T6309] ? lockdep_softirqs_off+0x420/0x420 [ 252.476900][ T6309] ? kobject_add+0x210/0x210 [ 252.481520][ T6309] ? __init_swait_queue_head+0xa5/0x150 [ 252.487079][ T6309] gfs2_sys_fs_add+0x234/0x480 [ 252.491852][ T6309] ? gfs2_recover_set+0x240/0x240 [ 252.496887][ T6309] ? snprintf+0xd7/0x120 [ 252.501145][ T6309] ? __free_pages+0x95/0x1a0 [ 252.502053][ T6313] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 252.505738][ T6309] ? vscnprintf+0x80/0x80 [ 252.505771][ T6309] gfs2_fill_super+0x128d/0x1f50 [ 252.529509][ T6309] ? gfs2_reconfigure+0xcd0/0xcd0 [ 252.534557][ T6309] ? preempt_count_add+0x8d/0x190 [ 252.539606][ T6309] ? sb_set_blocksize+0xa5/0xe0 [ 252.545081][ T6309] get_tree_bdev+0x3f1/0x610 [ 252.549685][ T6309] ? gfs2_reconfigure+0xcd0/0xcd0 [ 252.554717][ T6309] gfs2_get_tree+0x4d/0x1e0 [ 252.559227][ T6309] vfs_get_tree+0x88/0x270 [ 252.563653][ T6309] do_new_mount+0x24a/0xa40 [ 252.566408][ T6313] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 252.568162][ T6309] __se_sys_mount+0x2d6/0x3c0 [ 252.568190][ T6309] ? __x64_sys_mount+0xc0/0xc0 [ 252.584781][ T6309] ? lockdep_hardirqs_on+0x94/0x140 [ 252.589988][ T6309] ? __x64_sys_mount+0x1c/0xc0 [ 252.594837][ T6309] do_syscall_64+0x4c/0xa0 [ 252.599235][ T6309] ? clear_bhb_loop+0x30/0x80 [ 252.604077][ T6309] ? clear_bhb_loop+0x30/0x80 [ 252.608750][ T6309] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.614624][ T6309] RIP: 0033:0x7f014a09310a [ 252.619025][ T6309] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 252.638611][ T6309] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.647009][ T6309] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 252.654972][ T6309] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 252.662934][ T6309] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 252.670890][ T6309] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 252.678847][ T6309] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 252.686815][ T6309] [ 252.700788][ T6309] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 252.762157][ T6309] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files 2025/09/13 09:48:41 executed programs: 302 [ 253.397216][ T6315] loop1: detected capacity change from 0 to 32768 [ 253.436064][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 253.461312][ T6315] CPU: 0 PID: 6315 Comm: syz.1.307 Not tainted syzkaller #0 [ 253.468632][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 253.478702][ T6315] Call Trace: [ 253.482000][ T6315] [ 253.485074][ T6315] dump_stack_lvl+0x168/0x230 [ 253.489864][ T6315] ? show_regs_print_info+0x20/0x20 [ 253.495073][ T6315] ? load_image+0x3b0/0x3b0 [ 253.499598][ T6315] sysfs_create_dir_ns+0x252/0x280 [ 253.504715][ T6315] ? __lock_acquire+0x7c60/0x7c60 [ 253.509750][ T6315] ? sysfs_warn_dup+0xa0/0xa0 [ 253.514448][ T6315] ? do_raw_spin_unlock+0x11d/0x230 [ 253.519661][ T6315] kobject_add_internal+0x662/0xd00 [ 253.524877][ T6315] kobject_init_and_add+0x122/0x190 [ 253.530090][ T6315] ? lockdep_softirqs_off+0x420/0x420 [ 253.535513][ T6315] ? kobject_add+0x210/0x210 [ 253.540119][ T6315] ? __init_swait_queue_head+0xa5/0x150 [ 253.545670][ T6315] gfs2_sys_fs_add+0x234/0x480 [ 253.550440][ T6315] ? gfs2_recover_set+0x240/0x240 [ 253.555463][ T6315] ? snprintf+0xd7/0x120 [ 253.559713][ T6315] ? __free_pages+0x95/0x1a0 [ 253.564314][ T6315] ? vscnprintf+0x80/0x80 [ 253.568668][ T6315] gfs2_fill_super+0x128d/0x1f50 [ 253.573633][ T6315] ? gfs2_reconfigure+0xcd0/0xcd0 [ 253.578668][ T6315] ? preempt_count_add+0x8d/0x190 [ 253.583720][ T6315] ? sb_set_blocksize+0xa5/0xe0 [ 253.588583][ T6315] get_tree_bdev+0x3f1/0x610 [ 253.593198][ T6315] ? gfs2_reconfigure+0xcd0/0xcd0 [ 253.598242][ T6315] gfs2_get_tree+0x4d/0x1e0 [ 253.602765][ T6315] vfs_get_tree+0x88/0x270 [ 253.607192][ T6315] do_new_mount+0x24a/0xa40 [ 253.611704][ T6315] __se_sys_mount+0x2d6/0x3c0 [ 253.616395][ T6315] ? __x64_sys_mount+0xc0/0xc0 [ 253.621177][ T6315] ? lockdep_hardirqs_on+0x94/0x140 [ 253.626375][ T6315] ? __x64_sys_mount+0x1c/0xc0 [ 253.631158][ T6315] do_syscall_64+0x4c/0xa0 [ 253.635578][ T6315] ? clear_bhb_loop+0x30/0x80 [ 253.640261][ T6315] ? clear_bhb_loop+0x30/0x80 [ 253.644946][ T6315] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 253.650846][ T6315] RIP: 0033:0x7f370392d10a [ 253.655268][ T6315] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 253.674966][ T6315] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 253.683392][ T6315] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 253.691391][ T6315] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 253.699522][ T6315] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 253.707591][ T6315] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 253.715579][ T6315] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 253.723578][ T6315] [ 253.885859][ T6315] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 253.936407][ T6315] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 254.012583][ T6317] loop3: detected capacity change from 0 to 32768 [ 254.031882][ T6317] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 254.050279][ T6317] CPU: 0 PID: 6317 Comm: syz.3.308 Not tainted syzkaller #0 [ 254.057607][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.067673][ T6317] Call Trace: [ 254.070956][ T6317] [ 254.073894][ T6317] dump_stack_lvl+0x168/0x230 [ 254.078590][ T6317] ? show_regs_print_info+0x20/0x20 [ 254.083789][ T6317] ? load_image+0x3b0/0x3b0 [ 254.088310][ T6317] sysfs_create_dir_ns+0x252/0x280 [ 254.093438][ T6317] ? __lock_acquire+0x7c60/0x7c60 [ 254.098471][ T6317] ? sysfs_warn_dup+0xa0/0xa0 [ 254.103161][ T6317] ? do_raw_spin_unlock+0x11d/0x230 [ 254.108372][ T6317] kobject_add_internal+0x662/0xd00 [ 254.113583][ T6317] kobject_init_and_add+0x122/0x190 [ 254.118789][ T6317] ? lockdep_softirqs_off+0x420/0x420 [ 254.124171][ T6317] ? kobject_add+0x210/0x210 [ 254.128774][ T6317] ? __init_swait_queue_head+0xa5/0x150 [ 254.134343][ T6317] gfs2_sys_fs_add+0x234/0x480 [ 254.139125][ T6317] ? gfs2_recover_set+0x240/0x240 [ 254.144156][ T6317] ? snprintf+0xd7/0x120 [ 254.147854][ T6323] loop2: detected capacity change from 0 to 32768 [ 254.148398][ T6317] ? __free_pages+0x95/0x1a0 [ 254.159456][ T6317] ? vscnprintf+0x80/0x80 [ 254.163803][ T6317] gfs2_fill_super+0x128d/0x1f50 [ 254.168756][ T6317] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.173787][ T6317] ? preempt_count_add+0x8d/0x190 [ 254.178827][ T6317] ? sb_set_blocksize+0xa5/0xe0 [ 254.183684][ T6321] loop5: detected capacity change from 0 to 32768 [ 254.183684][ T6317] get_tree_bdev+0x3f1/0x610 [ 254.183709][ T6317] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.199675][ T6317] gfs2_get_tree+0x4d/0x1e0 [ 254.204450][ T6317] vfs_get_tree+0x88/0x270 [ 254.209079][ T6317] do_new_mount+0x24a/0xa40 [ 254.213613][ T6317] __se_sys_mount+0x2d6/0x3c0 [ 254.218305][ T6317] ? __x64_sys_mount+0xc0/0xc0 [ 254.223090][ T6317] ? lockdep_hardirqs_on+0x94/0x140 [ 254.228305][ T6317] ? __x64_sys_mount+0x1c/0xc0 [ 254.233168][ T6317] do_syscall_64+0x4c/0xa0 [ 254.237592][ T6317] ? clear_bhb_loop+0x30/0x80 [ 254.242273][ T6317] ? clear_bhb_loop+0x30/0x80 [ 254.246957][ T6317] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.252855][ T6317] RIP: 0033:0x7f6aa219a10a [ 254.257269][ T6317] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 254.276877][ T6317] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 254.285300][ T6317] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 254.293401][ T6317] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 254.301385][ T6317] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 254.305153][ T6319] loop4: detected capacity change from 0 to 32768 [ 254.309355][ T6317] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 254.309368][ T6317] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 254.309392][ T6317] [ 254.314288][ T6317] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 254.349364][ T6317] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 254.372203][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 254.380611][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 254.389944][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 254.403370][ T6323] CPU: 1 PID: 6323 Comm: syz.2.311 Not tainted syzkaller #0 [ 254.410691][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.420755][ T6323] Call Trace: [ 254.424040][ T6323] [ 254.426981][ T6323] dump_stack_lvl+0x168/0x230 [ 254.431772][ T6323] ? show_regs_print_info+0x20/0x20 [ 254.436991][ T6323] ? load_image+0x3b0/0x3b0 [ 254.441519][ T6323] sysfs_create_dir_ns+0x252/0x280 [ 254.446634][ T6323] ? __lock_acquire+0x7c60/0x7c60 [ 254.451667][ T6323] ? sysfs_warn_dup+0xa0/0xa0 [ 254.456361][ T6323] ? do_raw_spin_unlock+0x11d/0x230 [ 254.461583][ T6323] kobject_add_internal+0x662/0xd00 [ 254.466791][ T6323] kobject_init_and_add+0x122/0x190 [ 254.471994][ T6323] ? lockdep_softirqs_off+0x420/0x420 [ 254.477386][ T6323] ? kobject_add+0x210/0x210 [ 254.481976][ T6323] ? __init_swait_queue_head+0xa5/0x150 [ 254.487514][ T6323] gfs2_sys_fs_add+0x234/0x480 [ 254.492271][ T6323] ? gfs2_recover_set+0x240/0x240 [ 254.497304][ T6323] ? snprintf+0xd7/0x120 [ 254.501558][ T6323] ? __free_pages+0x95/0x1a0 [ 254.506163][ T6323] ? vscnprintf+0x80/0x80 [ 254.510509][ T6323] gfs2_fill_super+0x128d/0x1f50 [ 254.515461][ T6323] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.520498][ T6323] ? preempt_count_add+0x8d/0x190 [ 254.525536][ T6323] ? sb_set_blocksize+0xa5/0xe0 [ 254.530401][ T6323] get_tree_bdev+0x3f1/0x610 [ 254.535175][ T6323] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.540194][ T6323] gfs2_get_tree+0x4d/0x1e0 [ 254.544693][ T6323] vfs_get_tree+0x88/0x270 [ 254.549104][ T6323] do_new_mount+0x24a/0xa40 [ 254.553610][ T6323] __se_sys_mount+0x2d6/0x3c0 [ 254.558300][ T6323] ? __x64_sys_mount+0xc0/0xc0 [ 254.563073][ T6323] ? lockdep_hardirqs_on+0x94/0x140 [ 254.568270][ T6323] ? __x64_sys_mount+0x1c/0xc0 [ 254.573044][ T6323] do_syscall_64+0x4c/0xa0 [ 254.577466][ T6323] ? clear_bhb_loop+0x30/0x80 [ 254.582148][ T6323] ? clear_bhb_loop+0x30/0x80 [ 254.586827][ T6323] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.592722][ T6323] RIP: 0033:0x7f014a09310a [ 254.597223][ T6323] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 254.616826][ T6323] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 254.625335][ T6323] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 254.633835][ T6323] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 254.641814][ T6323] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 254.649787][ T6323] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 254.657760][ T6323] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 254.665748][ T6323] [ 254.668768][ T6321] CPU: 0 PID: 6321 Comm: syz.5.310 Not tainted syzkaller #0 [ 254.676055][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 254.686118][ T6321] Call Trace: [ 254.689399][ T6321] [ 254.692333][ T6321] dump_stack_lvl+0x168/0x230 [ 254.697018][ T6321] ? show_regs_print_info+0x20/0x20 [ 254.702317][ T6321] ? load_image+0x3b0/0x3b0 [ 254.706847][ T6321] sysfs_create_dir_ns+0x252/0x280 [ 254.711972][ T6321] ? __lock_acquire+0x7c60/0x7c60 [ 254.717002][ T6321] ? sysfs_warn_dup+0xa0/0xa0 [ 254.721689][ T6321] ? do_raw_spin_unlock+0x11d/0x230 [ 254.724863][ T6323] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 254.726887][ T6321] kobject_add_internal+0x662/0xd00 [ 254.745929][ T6321] kobject_init_and_add+0x122/0x190 [ 254.751139][ T6321] ? lockdep_softirqs_off+0x420/0x420 [ 254.754691][ T6323] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 254.756522][ T6321] ? kobject_add+0x210/0x210 [ 254.768273][ T6321] ? __init_swait_queue_head+0xa5/0x150 [ 254.773836][ T6321] gfs2_sys_fs_add+0x234/0x480 [ 254.778614][ T6321] ? gfs2_recover_set+0x240/0x240 [ 254.783647][ T6321] ? snprintf+0xd7/0x120 [ 254.787903][ T6321] ? __free_pages+0x95/0x1a0 [ 254.792506][ T6321] ? vscnprintf+0x80/0x80 [ 254.796848][ T6321] gfs2_fill_super+0x128d/0x1f50 [ 254.801800][ T6321] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.806833][ T6321] ? preempt_count_add+0x8d/0x190 [ 254.811873][ T6321] ? sb_set_blocksize+0xa5/0xe0 [ 254.816732][ T6321] get_tree_bdev+0x3f1/0x610 [ 254.821332][ T6321] ? gfs2_reconfigure+0xcd0/0xcd0 [ 254.826368][ T6321] gfs2_get_tree+0x4d/0x1e0 [ 254.830885][ T6321] vfs_get_tree+0x88/0x270 [ 254.835305][ T6321] do_new_mount+0x24a/0xa40 [ 254.839814][ T6321] __se_sys_mount+0x2d6/0x3c0 [ 254.844508][ T6321] ? __x64_sys_mount+0xc0/0xc0 [ 254.849281][ T6321] ? lockdep_hardirqs_on+0x94/0x140 [ 254.854490][ T6321] ? __x64_sys_mount+0x1c/0xc0 [ 254.859267][ T6321] do_syscall_64+0x4c/0xa0 [ 254.863688][ T6321] ? clear_bhb_loop+0x30/0x80 [ 254.868368][ T6321] ? clear_bhb_loop+0x30/0x80 [ 254.873055][ T6321] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.879035][ T6321] RIP: 0033:0x7f18bd52010a [ 254.883446][ T6321] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 254.903051][ T6321] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 254.911478][ T6321] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 254.919455][ T6321] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 254.927436][ T6321] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 254.935419][ T6321] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 254.943400][ T6321] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 254.951401][ T6321] [ 254.960979][ T6321] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 254.983546][ T6321] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 255.000149][ T6319] CPU: 0 PID: 6319 Comm: syz.4.309 Not tainted syzkaller #0 [ 255.007566][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 255.017748][ T6319] Call Trace: [ 255.021029][ T6319] [ 255.023964][ T6319] dump_stack_lvl+0x168/0x230 [ 255.028663][ T6319] ? show_regs_print_info+0x20/0x20 [ 255.033868][ T6319] ? load_image+0x3b0/0x3b0 [ 255.038400][ T6319] sysfs_create_dir_ns+0x252/0x280 [ 255.043526][ T6319] ? __lock_acquire+0x7c60/0x7c60 [ 255.048565][ T6319] ? sysfs_warn_dup+0xa0/0xa0 [ 255.053261][ T6319] ? do_raw_spin_unlock+0x11d/0x230 [ 255.058485][ T6319] kobject_add_internal+0x662/0xd00 [ 255.063711][ T6319] kobject_init_and_add+0x122/0x190 [ 255.068920][ T6319] ? lockdep_softirqs_off+0x420/0x420 [ 255.074309][ T6319] ? kobject_add+0x210/0x210 [ 255.078913][ T6319] ? __init_swait_queue_head+0xa5/0x150 [ 255.084469][ T6319] gfs2_sys_fs_add+0x234/0x480 [ 255.089236][ T6319] ? gfs2_recover_set+0x240/0x240 [ 255.094261][ T6319] ? snprintf+0xd7/0x120 [ 255.098516][ T6319] ? __free_pages+0x95/0x1a0 [ 255.103112][ T6319] ? vscnprintf+0x80/0x80 [ 255.107460][ T6319] gfs2_fill_super+0x128d/0x1f50 [ 255.112410][ T6319] ? gfs2_reconfigure+0xcd0/0xcd0 [ 255.117525][ T6319] ? preempt_count_add+0x8d/0x190 [ 255.122560][ T6319] ? sb_set_blocksize+0xa5/0xe0 [ 255.127420][ T6319] get_tree_bdev+0x3f1/0x610 [ 255.132113][ T6319] ? gfs2_reconfigure+0xcd0/0xcd0 [ 255.137152][ T6319] gfs2_get_tree+0x4d/0x1e0 [ 255.141663][ T6319] vfs_get_tree+0x88/0x270 [ 255.146082][ T6319] do_new_mount+0x24a/0xa40 [ 255.150595][ T6319] __se_sys_mount+0x2d6/0x3c0 [ 255.155406][ T6319] ? __x64_sys_mount+0xc0/0xc0 [ 255.160183][ T6319] ? lockdep_hardirqs_on+0x94/0x140 [ 255.165412][ T6319] ? __x64_sys_mount+0x1c/0xc0 [ 255.170190][ T6319] do_syscall_64+0x4c/0xa0 [ 255.174619][ T6319] ? clear_bhb_loop+0x30/0x80 [ 255.179306][ T6319] ? clear_bhb_loop+0x30/0x80 [ 255.183986][ T6319] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 255.189979][ T6319] RIP: 0033:0x7f8aec84010a [ 255.194407][ T6319] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 255.214025][ T6319] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 255.222448][ T6319] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 255.230419][ T6319] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 255.238393][ T6319] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 255.246374][ T6319] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 255.254353][ T6319] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 255.262433][ T6319] [ 255.593727][ T1422] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.600189][ T1422] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.601902][ T6319] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 255.661590][ T6319] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 255.764316][ T6325] loop2: detected capacity change from 0 to 32768 [ 255.784311][ T6327] loop1: detected capacity change from 0 to 32768 [ 255.854313][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 255.864061][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 255.891743][ T6327] CPU: 0 PID: 6327 Comm: syz.1.313 Not tainted syzkaller #0 [ 255.899152][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 255.909212][ T6327] Call Trace: [ 255.912506][ T6327] [ 255.915438][ T6327] dump_stack_lvl+0x168/0x230 [ 255.920152][ T6327] ? show_regs_print_info+0x20/0x20 [ 255.925442][ T6327] ? load_image+0x3b0/0x3b0 [ 255.929965][ T6327] sysfs_create_dir_ns+0x252/0x280 [ 255.935093][ T6327] ? __lock_acquire+0x7c60/0x7c60 [ 255.940133][ T6327] ? sysfs_warn_dup+0xa0/0xa0 [ 255.944829][ T6327] ? do_raw_spin_unlock+0x11d/0x230 [ 255.950063][ T6327] kobject_add_internal+0x662/0xd00 [ 255.955282][ T6327] kobject_init_and_add+0x122/0x190 [ 255.960490][ T6327] ? lockdep_softirqs_off+0x420/0x420 [ 255.965881][ T6327] ? kobject_add+0x210/0x210 [ 255.970488][ T6327] ? __init_swait_queue_head+0xa5/0x150 [ 255.976047][ T6327] gfs2_sys_fs_add+0x234/0x480 [ 255.980818][ T6327] ? gfs2_recover_set+0x240/0x240 [ 255.985937][ T6327] ? snprintf+0xd7/0x120 [ 255.990191][ T6327] ? __free_pages+0x95/0x1a0 [ 255.994798][ T6327] ? vscnprintf+0x80/0x80 [ 255.999311][ T6327] gfs2_fill_super+0x128d/0x1f50 [ 256.004259][ T6327] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.009289][ T6327] ? preempt_count_add+0x8d/0x190 [ 256.014324][ T6327] ? sb_set_blocksize+0xa5/0xe0 [ 256.019178][ T6327] get_tree_bdev+0x3f1/0x610 [ 256.023767][ T6327] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.028796][ T6327] gfs2_get_tree+0x4d/0x1e0 [ 256.033300][ T6327] vfs_get_tree+0x88/0x270 [ 256.037721][ T6327] do_new_mount+0x24a/0xa40 [ 256.042237][ T6327] __se_sys_mount+0x2d6/0x3c0 [ 256.046926][ T6327] ? __x64_sys_mount+0xc0/0xc0 [ 256.051699][ T6327] ? lockdep_hardirqs_on+0x94/0x140 [ 256.056908][ T6327] ? __x64_sys_mount+0x1c/0xc0 [ 256.061681][ T6327] do_syscall_64+0x4c/0xa0 [ 256.066124][ T6327] ? clear_bhb_loop+0x30/0x80 [ 256.070807][ T6327] ? clear_bhb_loop+0x30/0x80 [ 256.075604][ T6327] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 256.081488][ T6327] RIP: 0033:0x7f370392d10a [ 256.085892][ T6327] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 256.105495][ T6327] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 256.113909][ T6327] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 256.121919][ T6327] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 256.129887][ T6327] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 256.137864][ T6327] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 256.145846][ T6327] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 256.153837][ T6327] [ 256.169349][ T6325] CPU: 1 PID: 6325 Comm: syz.2.312 Not tainted syzkaller #0 [ 256.176668][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 256.186735][ T6325] Call Trace: [ 256.190031][ T6325] [ 256.192963][ T6325] dump_stack_lvl+0x168/0x230 [ 256.197651][ T6325] ? show_regs_print_info+0x20/0x20 [ 256.202864][ T6325] ? load_image+0x3b0/0x3b0 [ 256.207398][ T6325] sysfs_create_dir_ns+0x252/0x280 [ 256.212521][ T6325] ? __lock_acquire+0x7c60/0x7c60 [ 256.217558][ T6325] ? sysfs_warn_dup+0xa0/0xa0 [ 256.222248][ T6325] ? do_raw_spin_unlock+0x11d/0x230 [ 256.227450][ T6325] kobject_add_internal+0x662/0xd00 [ 256.232658][ T6325] kobject_init_and_add+0x122/0x190 [ 256.237869][ T6325] ? lockdep_softirqs_off+0x420/0x420 [ 256.243263][ T6325] ? kobject_add+0x210/0x210 [ 256.247871][ T6325] ? __init_swait_queue_head+0xa5/0x150 [ 256.253439][ T6325] gfs2_sys_fs_add+0x234/0x480 [ 256.258213][ T6325] ? gfs2_recover_set+0x240/0x240 [ 256.263248][ T6325] ? snprintf+0xd7/0x120 [ 256.267504][ T6325] ? __free_pages+0x95/0x1a0 [ 256.272112][ T6325] ? vscnprintf+0x80/0x80 [ 256.276501][ T6325] gfs2_fill_super+0x128d/0x1f50 [ 256.281484][ T6325] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.286526][ T6325] ? preempt_count_add+0x8d/0x190 [ 256.291604][ T6325] ? sb_set_blocksize+0xa5/0xe0 [ 256.296464][ T6325] get_tree_bdev+0x3f1/0x610 [ 256.301058][ T6325] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.306093][ T6325] gfs2_get_tree+0x4d/0x1e0 [ 256.310620][ T6325] vfs_get_tree+0x88/0x270 [ 256.315057][ T6325] do_new_mount+0x24a/0xa40 [ 256.319584][ T6325] __se_sys_mount+0x2d6/0x3c0 [ 256.324271][ T6325] ? __x64_sys_mount+0xc0/0xc0 [ 256.329046][ T6325] ? lockdep_hardirqs_on+0x94/0x140 [ 256.334249][ T6325] ? __x64_sys_mount+0x1c/0xc0 [ 256.339021][ T6325] do_syscall_64+0x4c/0xa0 [ 256.343440][ T6325] ? clear_bhb_loop+0x30/0x80 [ 256.348124][ T6325] ? clear_bhb_loop+0x30/0x80 [ 256.352802][ T6325] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 256.358697][ T6325] RIP: 0033:0x7f014a09310a [ 256.363129][ T6325] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 256.382744][ T6325] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 256.391174][ T6325] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 256.399159][ T6325] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 256.407241][ T6325] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 256.415221][ T6325] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 256.423194][ T6325] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 256.431194][ T6325] [ 256.489683][ T6329] loop3: detected capacity change from 0 to 32768 [ 256.549727][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 256.551756][ T6327] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 256.572612][ T6329] CPU: 0 PID: 6329 Comm: syz.3.314 Not tainted syzkaller #0 [ 256.579923][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 256.589990][ T6329] Call Trace: [ 256.590841][ T6327] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 256.593284][ T6329] [ 256.593292][ T6329] dump_stack_lvl+0x168/0x230 [ 256.593317][ T6329] ? show_regs_print_info+0x20/0x20 [ 256.593334][ T6329] ? load_image+0x3b0/0x3b0 [ 256.593361][ T6329] sysfs_create_dir_ns+0x252/0x280 [ 256.593380][ T6329] ? __lock_acquire+0x7c60/0x7c60 [ 256.593400][ T6329] ? sysfs_warn_dup+0xa0/0xa0 [ 256.632651][ T6329] ? do_raw_spin_unlock+0x11d/0x230 [ 256.637460][ T6331] loop5: detected capacity change from 0 to 32768 [ 256.637883][ T6329] kobject_add_internal+0x662/0xd00 [ 256.649469][ T6329] kobject_init_and_add+0x122/0x190 [ 256.654681][ T6329] ? lockdep_softirqs_off+0x420/0x420 [ 256.660339][ T6329] ? kobject_add+0x210/0x210 [ 256.664997][ T6329] ? __init_swait_queue_head+0xa5/0x150 [ 256.670660][ T6329] gfs2_sys_fs_add+0x234/0x480 [ 256.675463][ T6329] ? gfs2_recover_set+0x240/0x240 [ 256.679712][ T6325] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 256.680522][ T6329] ? snprintf+0xd7/0x120 [ 256.694634][ T6325] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 256.698532][ T6329] ? __free_pages+0x95/0x1a0 [ 256.710295][ T6329] ? vscnprintf+0x80/0x80 [ 256.714646][ T6329] gfs2_fill_super+0x128d/0x1f50 [ 256.719601][ T6329] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.724637][ T6329] ? preempt_count_add+0x8d/0x190 [ 256.729681][ T6329] ? sb_set_blocksize+0xa5/0xe0 [ 256.734541][ T6329] get_tree_bdev+0x3f1/0x610 [ 256.739141][ T6329] ? gfs2_reconfigure+0xcd0/0xcd0 [ 256.744174][ T6329] gfs2_get_tree+0x4d/0x1e0 [ 256.748798][ T6329] vfs_get_tree+0x88/0x270 [ 256.753224][ T6329] do_new_mount+0x24a/0xa40 [ 256.757740][ T6329] __se_sys_mount+0x2d6/0x3c0 [ 256.762427][ T6329] ? __x64_sys_mount+0xc0/0xc0 [ 256.767204][ T6329] ? lockdep_hardirqs_on+0x94/0x140 [ 256.772401][ T6329] ? __x64_sys_mount+0x1c/0xc0 [ 256.777174][ T6329] do_syscall_64+0x4c/0xa0 [ 256.781599][ T6329] ? clear_bhb_loop+0x30/0x80 [ 256.786292][ T6329] ? clear_bhb_loop+0x30/0x80 [ 256.790970][ T6329] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 256.797100][ T6329] RIP: 0033:0x7f6aa219a10a [ 256.801674][ T6329] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 256.821288][ T6329] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 256.829716][ T6329] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 256.837698][ T6329] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 256.845676][ T6329] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 256.853649][ T6329] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 256.861630][ T6329] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 256.869642][ T6329] [ 256.877527][ T6329] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 256.891749][ T6329] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 256.893448][ T6333] loop4: detected capacity change from 0 to 32768 [ 256.914547][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 256.922941][ T6331] CPU: 1 PID: 6331 Comm: syz.5.315 Not tainted syzkaller #0 [ 256.930244][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 256.940311][ T6331] Call Trace: [ 256.943603][ T6331] [ 256.946534][ T6331] dump_stack_lvl+0x168/0x230 [ 256.951224][ T6331] ? show_regs_print_info+0x20/0x20 [ 256.956431][ T6331] ? load_image+0x3b0/0x3b0 [ 256.960953][ T6331] sysfs_create_dir_ns+0x252/0x280 [ 256.966068][ T6331] ? __lock_acquire+0x7c60/0x7c60 [ 256.971076][ T6331] ? sysfs_warn_dup+0xa0/0xa0 [ 256.975742][ T6331] ? do_raw_spin_unlock+0x11d/0x230 [ 256.980944][ T6331] kobject_add_internal+0x662/0xd00 [ 256.986144][ T6331] kobject_init_and_add+0x122/0x190 [ 256.991359][ T6331] ? lockdep_softirqs_off+0x420/0x420 [ 256.996720][ T6331] ? kobject_add+0x210/0x210 [ 257.001311][ T6331] ? __init_swait_queue_head+0xa5/0x150 [ 257.006854][ T6331] gfs2_sys_fs_add+0x234/0x480 [ 257.011626][ T6331] ? gfs2_recover_set+0x240/0x240 [ 257.016684][ T6331] ? snprintf+0xd7/0x120 [ 257.020913][ T6331] ? __free_pages+0x95/0x1a0 [ 257.025489][ T6331] ? vscnprintf+0x80/0x80 [ 257.029804][ T6331] gfs2_fill_super+0x128d/0x1f50 [ 257.034748][ T6331] ? gfs2_reconfigure+0xcd0/0xcd0 [ 257.039803][ T6331] ? preempt_count_add+0x8d/0x190 [ 257.044861][ T6331] ? sb_set_blocksize+0xa5/0xe0 [ 257.050054][ T6331] get_tree_bdev+0x3f1/0x610 [ 257.054639][ T6331] ? gfs2_reconfigure+0xcd0/0xcd0 [ 257.059697][ T6331] gfs2_get_tree+0x4d/0x1e0 [ 257.064192][ T6331] vfs_get_tree+0x88/0x270 [ 257.068599][ T6331] do_new_mount+0x24a/0xa40 [ 257.073098][ T6331] __se_sys_mount+0x2d6/0x3c0 [ 257.077767][ T6331] ? __x64_sys_mount+0xc0/0xc0 [ 257.082542][ T6331] ? lockdep_hardirqs_on+0x94/0x140 [ 257.087741][ T6331] ? __x64_sys_mount+0x1c/0xc0 [ 257.092513][ T6331] do_syscall_64+0x4c/0xa0 [ 257.096906][ T6331] ? clear_bhb_loop+0x30/0x80 [ 257.101561][ T6331] ? clear_bhb_loop+0x30/0x80 [ 257.106223][ T6331] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 257.112097][ T6331] RIP: 0033:0x7f18bd52010a [ 257.116507][ T6331] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 257.136104][ T6331] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.144532][ T6331] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 257.156068][ T6331] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 257.164119][ T6331] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 257.172084][ T6331] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 257.180049][ T6331] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 257.188131][ T6331] [ 257.197773][ T6331] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 257.212237][ T6331] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 257.313172][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 257.321317][ T6333] CPU: 0 PID: 6333 Comm: syz.4.316 Not tainted syzkaller #0 [ 257.328610][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 257.338677][ T6333] Call Trace: [ 257.341972][ T6333] [ 257.344908][ T6333] dump_stack_lvl+0x168/0x230 [ 257.349597][ T6333] ? show_regs_print_info+0x20/0x20 [ 257.354805][ T6333] ? load_image+0x3b0/0x3b0 [ 257.359325][ T6333] sysfs_create_dir_ns+0x252/0x280 [ 257.364442][ T6333] ? __lock_acquire+0x7c60/0x7c60 [ 257.369469][ T6333] ? sysfs_warn_dup+0xa0/0xa0 [ 257.374155][ T6333] ? do_raw_spin_unlock+0x11d/0x230 [ 257.379358][ T6333] kobject_add_internal+0x662/0xd00 [ 257.384565][ T6333] kobject_init_and_add+0x122/0x190 [ 257.389763][ T6333] ? lockdep_softirqs_off+0x420/0x420 [ 257.395146][ T6333] ? kobject_add+0x210/0x210 [ 257.399747][ T6333] ? __init_swait_queue_head+0xa5/0x150 [ 257.405312][ T6333] gfs2_sys_fs_add+0x234/0x480 [ 257.410082][ T6333] ? gfs2_recover_set+0x240/0x240 [ 257.415110][ T6333] ? snprintf+0xd7/0x120 [ 257.419354][ T6333] ? __free_pages+0x95/0x1a0 [ 257.423948][ T6333] ? vscnprintf+0x80/0x80 [ 257.428292][ T6333] gfs2_fill_super+0x128d/0x1f50 [ 257.433253][ T6333] ? gfs2_reconfigure+0xcd0/0xcd0 [ 257.438285][ T6333] ? preempt_count_add+0x8d/0x190 [ 257.443324][ T6333] ? sb_set_blocksize+0xa5/0xe0 [ 257.448181][ T6333] get_tree_bdev+0x3f1/0x610 [ 257.452779][ T6333] ? gfs2_reconfigure+0xcd0/0xcd0 [ 257.457807][ T6333] gfs2_get_tree+0x4d/0x1e0 [ 257.462313][ T6333] vfs_get_tree+0x88/0x270 [ 257.466823][ T6333] do_new_mount+0x24a/0xa40 [ 257.471334][ T6333] __se_sys_mount+0x2d6/0x3c0 [ 257.476024][ T6333] ? __x64_sys_mount+0xc0/0xc0 [ 257.481007][ T6333] ? lockdep_hardirqs_on+0x94/0x140 [ 257.486216][ T6333] ? __x64_sys_mount+0x1c/0xc0 [ 257.490995][ T6333] do_syscall_64+0x4c/0xa0 [ 257.495422][ T6333] ? clear_bhb_loop+0x30/0x80 [ 257.500102][ T6333] ? clear_bhb_loop+0x30/0x80 [ 257.504782][ T6333] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 257.510683][ T6333] RIP: 0033:0x7f8aec84010a [ 257.515168][ T6333] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 257.534952][ T6333] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.543378][ T6333] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 257.551360][ T6333] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 [ 257.559344][ T6333] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 257.567416][ T6333] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 257.575404][ T6333] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 257.583403][ T6333] [ 257.662391][ T6333] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 257.731591][ T6333] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 258.540732][ T6336] loop2: detected capacity change from 0 to 32768 [ 258.598108][ T6336] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 258.609871][ T6341] loop5: detected capacity change from 0 to 32768 [ 258.628370][ T6336] CPU: 0 PID: 6336 Comm: syz.2.317 Not tainted syzkaller #0 [ 258.635688][ T6336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 258.645806][ T6336] Call Trace: [ 258.649099][ T6336] [ 258.652034][ T6336] dump_stack_lvl+0x168/0x230 [ 258.656722][ T6336] ? show_regs_print_info+0x20/0x20 [ 258.661934][ T6336] ? load_image+0x3b0/0x3b0 [ 258.666477][ T6336] sysfs_create_dir_ns+0x252/0x280 [ 258.671687][ T6336] ? __lock_acquire+0x7c60/0x7c60 [ 258.676148][ T6343] loop4: detected capacity change from 0 to 32768 [ 258.676717][ T6336] ? sysfs_warn_dup+0xa0/0xa0 [ 258.687778][ T6336] ? do_raw_spin_unlock+0x11d/0x230 [ 258.692989][ T6336] kobject_add_internal+0x662/0xd00 [ 258.698204][ T6336] kobject_init_and_add+0x122/0x190 [ 258.703406][ T6336] ? lockdep_softirqs_off+0x420/0x420 [ 258.708794][ T6336] ? kobject_add+0x210/0x210 [ 258.713407][ T6336] ? __init_swait_queue_head+0xa5/0x150 [ 258.718973][ T6336] gfs2_sys_fs_add+0x234/0x480 [ 258.723755][ T6336] ? gfs2_recover_set+0x240/0x240 [ 258.728411][ T6339] loop1: detected capacity change from 0 to 32768 [ 258.728783][ T6336] ? snprintf+0xd7/0x120 [ 258.739404][ T6336] ? __free_pages+0x95/0x1a0 [ 258.743315][ T6337] loop3: detected capacity change from 0 to 32768 [ 258.744006][ T6336] ? vscnprintf+0x80/0x80 [ 258.754720][ T6336] gfs2_fill_super+0x128d/0x1f50 [ 258.759682][ T6336] ? gfs2_reconfigure+0xcd0/0xcd0 [ 258.764732][ T6336] ? preempt_count_add+0x8d/0x190 [ 258.769772][ T6336] ? sb_set_blocksize+0xa5/0xe0 [ 258.774629][ T6336] get_tree_bdev+0x3f1/0x610 [ 258.779228][ T6336] ? gfs2_reconfigure+0xcd0/0xcd0 [ 258.784261][ T6336] gfs2_get_tree+0x4d/0x1e0 [ 258.788773][ T6336] vfs_get_tree+0x88/0x270 [ 258.793197][ T6336] do_new_mount+0x24a/0xa40 [ 258.797710][ T6336] __se_sys_mount+0x2d6/0x3c0 [ 258.802401][ T6336] ? __x64_sys_mount+0xc0/0xc0 [ 258.807172][ T6336] ? lockdep_hardirqs_on+0x94/0x140 [ 258.812368][ T6336] ? __x64_sys_mount+0x1c/0xc0 [ 258.817134][ T6336] do_syscall_64+0x4c/0xa0 [ 258.821548][ T6336] ? clear_bhb_loop+0x30/0x80 [ 258.826221][ T6336] ? clear_bhb_loop+0x30/0x80 [ 258.830880][ T6336] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 258.836838][ T6336] RIP: 0033:0x7f014a09310a [ 258.841255][ T6336] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 258.860965][ T6336] RSP: 002b:00007f0149300e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 258.869366][ T6336] RAX: ffffffffffffffda RBX: 00007f0149300ef0 RCX: 00007f014a09310a [ 258.877428][ T6336] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f0149300eb0 [ 258.885401][ T6336] RBP: 0000200000000140 R08: 00007f0149300ef0 R09: 0000000000000815 [ 258.893368][ T6336] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 258.901343][ T6336] R13: 00007f0149300eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 258.909311][ T6336] [ 258.916548][ T6336] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 258.931008][ T6336] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 258.969110][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 258.971852][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 258.979395][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 258.993888][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 259.005125][ T6341] CPU: 0 PID: 6341 Comm: syz.5.320 Not tainted syzkaller #0 [ 259.012436][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 259.022486][ T6341] Call Trace: [ 259.025758][ T6341] [ 259.028678][ T6341] dump_stack_lvl+0x168/0x230 [ 259.033354][ T6341] ? show_regs_print_info+0x20/0x20 [ 259.038546][ T6341] ? load_image+0x3b0/0x3b0 [ 259.043054][ T6341] sysfs_create_dir_ns+0x252/0x280 [ 259.048182][ T6341] ? __lock_acquire+0x7c60/0x7c60 [ 259.053216][ T6341] ? sysfs_warn_dup+0xa0/0xa0 [ 259.057896][ T6341] ? do_raw_spin_unlock+0x11d/0x230 [ 259.063089][ T6341] kobject_add_internal+0x662/0xd00 [ 259.068301][ T6341] kobject_init_and_add+0x122/0x190 [ 259.073492][ T6341] ? lockdep_softirqs_off+0x420/0x420 [ 259.078874][ T6341] ? kobject_add+0x210/0x210 [ 259.083472][ T6341] ? __init_swait_queue_head+0xa5/0x150 [ 259.089013][ T6341] gfs2_sys_fs_add+0x234/0x480 [ 259.093770][ T6341] ? gfs2_recover_set+0x240/0x240 [ 259.098781][ T6341] ? snprintf+0xd7/0x120 [ 259.103014][ T6341] ? __free_pages+0x95/0x1a0 [ 259.107595][ T6341] ? vscnprintf+0x80/0x80 [ 259.111921][ T6341] gfs2_fill_super+0x128d/0x1f50 [ 259.116875][ T6341] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.121909][ T6341] ? preempt_count_add+0x8d/0x190 [ 259.126944][ T6341] ? sb_set_blocksize+0xa5/0xe0 [ 259.131793][ T6341] get_tree_bdev+0x3f1/0x610 [ 259.136382][ T6341] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.141417][ T6341] gfs2_get_tree+0x4d/0x1e0 [ 259.145914][ T6341] vfs_get_tree+0x88/0x270 [ 259.150752][ T6341] do_new_mount+0x24a/0xa40 [ 259.155254][ T6341] __se_sys_mount+0x2d6/0x3c0 [ 259.159927][ T6341] ? __x64_sys_mount+0xc0/0xc0 [ 259.164682][ T6341] ? lockdep_hardirqs_on+0x94/0x140 [ 259.169886][ T6341] ? __x64_sys_mount+0x1c/0xc0 [ 259.174640][ T6341] do_syscall_64+0x4c/0xa0 [ 259.179044][ T6341] ? clear_bhb_loop+0x30/0x80 [ 259.183708][ T6341] ? clear_bhb_loop+0x30/0x80 [ 259.188386][ T6341] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 259.194389][ T6341] RIP: 0033:0x7f18bd52010a [ 259.198807][ T6341] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 259.218506][ T6341] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.226920][ T6341] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 259.234887][ T6341] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 259.242857][ T6341] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 259.250856][ T6341] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 259.258868][ T6341] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 259.266866][ T6341] [ 259.269894][ T6337] CPU: 1 PID: 6337 Comm: syz.3.318 Not tainted syzkaller #0 [ 259.277209][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 259.287361][ T6337] Call Trace: [ 259.290650][ T6337] [ 259.293590][ T6337] dump_stack_lvl+0x168/0x230 [ 259.298287][ T6337] ? show_regs_print_info+0x20/0x20 [ 259.303521][ T6337] ? load_image+0x3b0/0x3b0 [ 259.308047][ T6337] sysfs_create_dir_ns+0x252/0x280 [ 259.313175][ T6337] ? __lock_acquire+0x7c60/0x7c60 [ 259.318212][ T6337] ? sysfs_warn_dup+0xa0/0xa0 [ 259.322914][ T6337] ? do_raw_spin_unlock+0x11d/0x230 [ 259.328120][ T6337] kobject_add_internal+0x662/0xd00 [ 259.333336][ T6337] kobject_init_and_add+0x122/0x190 [ 259.335127][ T6341] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 259.338599][ T6337] ? lockdep_softirqs_off+0x420/0x420 [ 259.352618][ T6341] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 259.357735][ T6337] ? kobject_add+0x210/0x210 [ 259.369483][ T6337] ? __init_swait_queue_head+0xa5/0x150 [ 259.375041][ T6337] gfs2_sys_fs_add+0x234/0x480 [ 259.379813][ T6337] ? gfs2_recover_set+0x240/0x240 [ 259.384852][ T6337] ? snprintf+0xd7/0x120 [ 259.389100][ T6337] ? __free_pages+0x95/0x1a0 [ 259.393699][ T6337] ? vscnprintf+0x80/0x80 [ 259.398043][ T6337] gfs2_fill_super+0x128d/0x1f50 [ 259.402998][ T6337] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.408030][ T6337] ? preempt_count_add+0x8d/0x190 [ 259.413071][ T6337] ? sb_set_blocksize+0xa5/0xe0 [ 259.417919][ T6337] get_tree_bdev+0x3f1/0x610 [ 259.422595][ T6337] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.428147][ T6337] gfs2_get_tree+0x4d/0x1e0 [ 259.432672][ T6337] vfs_get_tree+0x88/0x270 [ 259.437101][ T6337] do_new_mount+0x24a/0xa40 [ 259.441618][ T6337] __se_sys_mount+0x2d6/0x3c0 [ 259.446488][ T6337] ? __x64_sys_mount+0xc0/0xc0 [ 259.451329][ T6337] ? lockdep_hardirqs_on+0x94/0x140 [ 259.456532][ T6337] ? __x64_sys_mount+0x1c/0xc0 [ 259.461310][ T6337] do_syscall_64+0x4c/0xa0 [ 259.465771][ T6337] ? clear_bhb_loop+0x30/0x80 [ 259.470457][ T6337] ? clear_bhb_loop+0x30/0x80 [ 259.471952][ T27] INFO: task syz-executor:5022 blocked for more than 143 seconds. [ 259.475139][ T6337] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 259.475160][ T6337] RIP: 0033:0x7f6aa219a10a [ 259.475178][ T6337] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 259.475192][ T6337] RSP: 002b:00007f6aa1407e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.521627][ T6337] RAX: ffffffffffffffda RBX: 00007f6aa1407ef0 RCX: 00007f6aa219a10a [ 259.529711][ T6337] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f6aa1407eb0 [ 259.532020][ T27] Not tainted syzkaller #0 [ 259.537684][ T6337] RBP: 0000200000000140 R08: 00007f6aa1407ef0 R09: 0000000000000815 [ 259.537699][ T6337] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 259.537710][ T6337] R13: 00007f6aa1407eb0 R14: 00000000000126e0 R15: 0000200000000080 [ 259.537733][ T6337] [ 259.552143][ T6343] CPU: 1 PID: 6343 Comm: syz.4.321 Not tainted syzkaller #0 [ 259.578087][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 259.588158][ T6343] Call Trace: [ 259.591448][ T6343] [ 259.594394][ T6343] dump_stack_lvl+0x168/0x230 [ 259.599085][ T6343] ? show_regs_print_info+0x20/0x20 [ 259.604298][ T6343] ? load_image+0x3b0/0x3b0 [ 259.608823][ T6343] sysfs_create_dir_ns+0x252/0x280 [ 259.614035][ T6343] ? __lock_acquire+0x7c60/0x7c60 [ 259.619069][ T6343] ? sysfs_warn_dup+0xa0/0xa0 [ 259.623760][ T6343] ? do_raw_spin_unlock+0x11d/0x230 [ 259.628969][ T6343] kobject_add_internal+0x662/0xd00 [ 259.634195][ T6343] kobject_init_and_add+0x122/0x190 [ 259.639403][ T6343] ? lockdep_softirqs_off+0x420/0x420 [ 259.644801][ T6343] ? kobject_add+0x210/0x210 [ 259.649404][ T6343] ? __init_swait_queue_head+0xa5/0x150 [ 259.654975][ T6343] gfs2_sys_fs_add+0x234/0x480 [ 259.659758][ T6343] ? gfs2_recover_set+0x240/0x240 [ 259.664808][ T6343] ? snprintf+0xd7/0x120 [ 259.669106][ T6343] ? __free_pages+0x95/0x1a0 [ 259.673704][ T6343] ? vscnprintf+0x80/0x80 [ 259.678050][ T6343] gfs2_fill_super+0x128d/0x1f50 [ 259.683011][ T6343] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.685560][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 259.688043][ T6343] ? preempt_count_add+0x8d/0x190 [ 259.701805][ T6343] ? sb_set_blocksize+0xa5/0xe0 [ 259.706685][ T6343] get_tree_bdev+0x3f1/0x610 [ 259.711289][ T6343] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.716322][ T6343] gfs2_get_tree+0x4d/0x1e0 [ 259.720833][ T6343] vfs_get_tree+0x88/0x270 [ 259.725264][ T6343] do_new_mount+0x24a/0xa40 [ 259.729813][ T6343] __se_sys_mount+0x2d6/0x3c0 [ 259.734506][ T6343] ? __x64_sys_mount+0xc0/0xc0 [ 259.739281][ T6343] ? lockdep_hardirqs_on+0x94/0x140 [ 259.744495][ T6343] ? __x64_sys_mount+0x1c/0xc0 [ 259.749274][ T6343] do_syscall_64+0x4c/0xa0 [ 259.753699][ T6343] ? clear_bhb_loop+0x30/0x80 [ 259.758375][ T6343] ? clear_bhb_loop+0x30/0x80 [ 259.763054][ T6343] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 259.768964][ T6343] RIP: 0033:0x7f8aec84010a [ 259.773387][ T6343] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 259.788141][ T27] task:syz-executor state:D [ 259.792996][ T6343] RSP: 002b:00007f8aebaade68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.793019][ T6343] RAX: ffffffffffffffda RBX: 00007f8aebaadef0 RCX: 00007f8aec84010a [ 259.793031][ T6343] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f8aebaadeb0 2025/09/13 09:48:47 executed programs: 316 [ 259.793043][ T6343] RBP: 0000200000000140 R08: 00007f8aebaadef0 R09: 0000000000000815 [ 259.793054][ T6343] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 259.793064][ T6343] R13: 00007f8aebaadeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 259.793086][ T6343] [ 259.828525][ T27] stack:22016 pid: 5022 ppid: 1 flags:0x00004004 [ 259.830281][ T6339] CPU: 1 PID: 6339 Comm: syz.1.319 Not tainted syzkaller #0 [ 259.845182][ T6337] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 259.846367][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 259.881819][ T6337] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 259.887475][ T6339] Call Trace: [ 259.887484][ T6339] [ 259.900954][ T6339] dump_stack_lvl+0x168/0x230 [ 259.905649][ T6339] ? show_regs_print_info+0x20/0x20 [ 259.910860][ T6339] ? load_image+0x3b0/0x3b0 [ 259.915390][ T6339] sysfs_create_dir_ns+0x252/0x280 [ 259.920517][ T6339] ? __lock_acquire+0x7c60/0x7c60 [ 259.925549][ T6339] ? sysfs_warn_dup+0xa0/0xa0 [ 259.930241][ T6339] ? do_raw_spin_unlock+0x11d/0x230 [ 259.930515][ T27] Call Trace: [ 259.935449][ T6339] kobject_add_internal+0x662/0xd00 [ 259.935475][ T6339] kobject_init_and_add+0x122/0x190 [ 259.935491][ T6339] ? lockdep_softirqs_off+0x420/0x420 [ 259.935512][ T6339] ? kobject_add+0x210/0x210 [ 259.935531][ T6339] ? __init_swait_queue_head+0xa5/0x150 [ 259.935553][ T6339] gfs2_sys_fs_add+0x234/0x480 [ 259.935571][ T6339] ? gfs2_recover_set+0x240/0x240 [ 259.935586][ T6339] ? snprintf+0xd7/0x120 [ 259.935603][ T6339] ? __free_pages+0x95/0x1a0 [ 259.935624][ T6339] ? vscnprintf+0x80/0x80 [ 259.935653][ T6339] gfs2_fill_super+0x128d/0x1f50 [ 259.935681][ T6339] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.935701][ T6339] ? preempt_count_add+0x8d/0x190 [ 259.935727][ T6339] ? sb_set_blocksize+0xa5/0xe0 [ 259.935748][ T6339] get_tree_bdev+0x3f1/0x610 [ 259.935767][ T6339] ? gfs2_reconfigure+0xcd0/0xcd0 [ 259.935786][ T6339] gfs2_get_tree+0x4d/0x1e0 [ 259.935806][ T6339] vfs_get_tree+0x88/0x270 [ 259.935824][ T6339] do_new_mount+0x24a/0xa40 [ 259.935848][ T6339] __se_sys_mount+0x2d6/0x3c0 [ 259.935869][ T6339] ? __x64_sys_mount+0xc0/0xc0 [ 259.966063][ T27] [ 259.969823][ T6339] ? lockdep_hardirqs_on+0x94/0x140 [ 260.021601][ T27] __schedule+0x11bb/0x4390 [ 260.022100][ T6339] ? __x64_sys_mount+0x1c/0xc0 [ 260.022124][ T6339] do_syscall_64+0x4c/0xa0 [ 260.022140][ T6339] ? clear_bhb_loop+0x30/0x80 [ 260.047825][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 260.048787][ T6339] ? clear_bhb_loop+0x30/0x80 [ 260.061657][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 260.062637][ T6339] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 260.067309][ T27] ? _raw_spin_unlock_irqrestore+0xf6/0x100 [ 260.072917][ T6339] RIP: 0033:0x7f370392d10a [ 260.072937][ T6339] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 260.072950][ T6339] RSP: 002b:00007f3702b9ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 260.072968][ T6339] RAX: ffffffffffffffda RBX: 00007f3702b9aef0 RCX: 00007f370392d10a [ 260.072980][ T6339] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f3702b9aeb0 [ 260.072991][ T6339] RBP: 0000200000000140 R08: 00007f3702b9aef0 R09: 0000000000000815 [ 260.073003][ T6339] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 260.073012][ T6339] R13: 00007f3702b9aeb0 R14: 00000000000126e0 R15: 0000200000000080 [ 260.073035][ T6339] [ 260.096001][ T6339] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 260.181148][ T27] ? _raw_spin_unlock+0x40/0x40 [ 260.194423][ T6343] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory. [ 260.209516][ T6339] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 260.221352][ T6343] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files [ 260.235328][ T27] ? rcu_is_watching+0x11/0xa0 [ 260.240188][ T27] ? release_firmware_map_entry+0x190/0x190 [ 260.247733][ T27] schedule+0x11b/0x1e0 [ 260.261574][ T27] schedule_timeout+0x15c/0x280 [ 260.270501][ T27] ? console_conditional_schedule+0x40/0x40 [ 260.280996][ T27] ? update_process_times+0x200/0x200 [ 260.299474][ T27] ? prepare_to_wait_event+0x42c/0x460 [ 260.311301][ T27] gfs2_gl_hash_clear+0x1a4/0x2f0 [ 260.317487][ T27] ? thaw_glock+0x150/0x150 [ 260.330700][ T27] ? gfs2_jindex_free+0x39b/0x400 [ 260.335962][ T27] ? init_wait_entry+0xd0/0xd0 [ 260.340824][ T27] ? gfs2_setbit+0x5a0/0x5a0 [ 260.351688][ T27] gfs2_put_super+0x769/0x7d0 [ 260.357711][ T27] ? gfs2_evict_inode+0x11f0/0x11f0 [ 260.363337][ T27] generic_shutdown_super+0x130/0x300 [ 260.368732][ T27] kill_block_super+0x7c/0xe0 [ 260.373656][ T27] deactivate_locked_super+0x93/0xf0 [ 260.378953][ T27] cleanup_mnt+0x418/0x4d0 [ 260.383487][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 260.388860][ T27] task_work_run+0x125/0x1a0 [ 260.393946][ T27] exit_to_user_mode_loop+0x10f/0x130 [ 260.399508][ T27] exit_to_user_mode_prepare+0xee/0x180 [ 260.405153][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 260.410790][ T27] do_syscall_64+0x58/0xa0 [ 260.415261][ T27] ? clear_bhb_loop+0x30/0x80 [ 260.419944][ T27] ? clear_bhb_loop+0x30/0x80 [ 260.426886][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 260.436516][ T27] RIP: 0033:0x7fc7c5532c97 [ 260.440962][ T27] RSP: 002b:00007ffc231040e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 260.454592][ T27] RAX: 0000000000000000 RBX: 00007fc7c55b389d RCX: 00007fc7c5532c97 [ 260.464453][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc231041a0 [ 260.472741][ T27] RBP: 00007ffc231041a0 R08: 0000000000000000 R09: 0000000000000000 [ 260.480941][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc23105230 [ 260.488989][ T27] R13: 00007fc7c55b389d R14: 00000000000198f7 R15: 00007ffc23105270 [ 260.497377][ T27] [ 260.500516][ T27] [ 260.500516][ T27] Showing all locks held in the system: [ 260.539590][ T27] 1 lock held by khungtaskd/27: [ 260.547085][ T27] #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 260.560736][ T6345] loop5: detected capacity change from 0 to 32768 [ 260.601429][ T27] 2 locks held by getty/3952: [ 260.614199][ T27] #0: ffff88814d326098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 260.647190][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 [ 260.680822][ T27] 3 locks held by kworker/0:4/4255: [ 260.691382][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 260.714951][ T27] #1: ffffc90002fbfd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 260.762136][ T27] #2: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0 [ 260.784046][ T27] 2 locks held by kworker/0:8/4278: [ 260.789365][ T27] #0: ffff888016872138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 260.800748][ T27] #1: ffffc9000305fd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 260.812934][ T27] 3 locks held by kworker/1:8/4283: [ 260.818292][ T27] 1 lock held by udevd/4860: [ 260.823438][ T27] #0: ffff88801fc9b918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60 [ 260.833977][ T27] 1 lock held by syz-executor/5022: [ 260.839293][ T27] #0: ffff888020e660e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0 [ 260.850331][ T27] 1 lock held by syz.1.319/6339: [ 260.872655][ T27] #0: ffff88801fce0468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90 [ 260.892228][ T27] 1 lock held by syz.4.321/6343: [ 260.905419][ T27] #0: ffff88801fd01468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90 [ 260.926063][ T27] 2 locks held by syz.5.322/6345: [ 260.936790][ T27] #0: ffff88801fc9b918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0 [ 260.956353][ T27] #1: ffff88801fd04468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 [ 260.977111][ T27] 2 locks held by syz.2.323/6347: [ 260.987879][ T27] 2 locks held by syz.3.324/6349: [ 261.000296][ T27] [ 261.040686][ T27] ============================================= [ 261.040686][ T27] [ 261.071484][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“' [ 261.089970][ T27] NMI backtrace for cpu 0 [ 261.094330][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 261.101529][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 261.111588][ T27] Call Trace: [ 261.114956][ T27] [ 261.117887][ T27] dump_stack_lvl+0x168/0x230 [ 261.122572][ T27] ? show_regs_print_info+0x20/0x20 [ 261.127776][ T27] ? load_image+0x3b0/0x3b0 [ 261.132283][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0 [ 261.137665][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0 [ 261.142788][ T27] nmi_cpu_backtrace+0x397/0x3d0 [ 261.147738][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 261.153901][ T27] ? _printk+0xcc/0x110 [ 261.158066][ T27] ? load_image+0x3b0/0x3b0 [ 261.163790][ T27] ? load_image+0x3b0/0x3b0 [ 261.168462][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 261.174544][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 261.180545][ T27] watchdog+0xe0f/0xe50 [ 261.184728][ T27] kthread+0x436/0x520 [ 261.188801][ T27] ? hungtask_pm_notify+0x40/0x40 [ 261.193821][ T27] ? kthread_blkcg+0xd0/0xd0 [ 261.198414][ T27] ret_from_fork+0x1f/0x30 [ 261.202846][ T27] [ 261.206856][ T27] Sending NMI from CPU 0 to CPUs 1: [ 261.212313][ C1] NMI backtrace for cpu 1 [ 261.212324][ C1] CPU: 1 PID: 3549 Comm: klogd Not tainted syzkaller #0 [ 261.212339][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 261.212348][ C1] RIP: 0010:kasan_check_range+0xd/0x290 [ 261.212370][ C1] Code: c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 a4 01 00 00 41 57 <41> 56 53 49 89 f8 49 01 f0 0f 82 57 02 00 00 49 89 f8 49 c1 e8 2f [ 261.212383][ C1] RSP: 0018:ffffc90002d4f0f0 EFLAGS: 00000002 [ 261.212407][ C1] RAX: 0000000000000001 RBX: 0000000000000015 RCX: ffffffff815c027b [ 261.212417][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ffbc0c0 [ 261.212427][ C1] RBP: ffffc90002d4f350 R08: dffffc0000000000 R09: 0000000000000000 [ 261.212437][ C1] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffff88807db5a8d0 [ 261.212448][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88807db5a8b0 [ 261.212458][ C1] FS: 00007f20e8a19c80(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 261.212471][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 261.212481][ C1] CR2: 00007f2358d31000 CR3: 0000000029f77000 CR4: 00000000003506e0 [ 261.212494][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 261.212503][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 261.212512][ C1] Call Trace: [ 261.212517][ C1] [ 261.212522][ C1] __lock_acquire+0x51b/0x7c60 [ 261.212544][ C1] ? unwind_get_return_address+0x49/0x80 [ 261.212561][ C1] ? arch_stack_walk+0xf2/0x140 [ 261.212580][ C1] ? verify_lock_unused+0x140/0x140 [ 261.212595][ C1] ? stack_trace_save+0x98/0xe0 [ 261.212609][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 261.212621][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 261.212640][ C1] ? mark_lock+0x94/0x320 [ 261.212654][ C1] ? mark_lock+0x94/0x320 [ 261.212671][ C1] lock_acquire+0x197/0x3f0 [ 261.212686][ C1] ? rcu_lock_acquire+0x5/0x30 [ 261.212703][ C1] ? mark_lock+0x94/0x320 [ 261.212718][ C1] ? read_lock_is_recursive+0x10/0x10 [ 261.212736][ C1] ? deref_stack_reg+0xd0/0x120 [ 261.212750][ C1] ? preempt_count_add+0x8d/0x190 [ 261.212766][ C1] rcu_lock_acquire+0x2a/0x30 [ 261.212780][ C1] ? rcu_lock_acquire+0x5/0x30 [ 261.212792][ C1] is_bpf_text_address+0x1d/0x270 [ 261.212811][ C1] __kernel_text_address+0x9a/0x100 [ 261.212829][ C1] unwind_get_return_address+0x49/0x80 [ 261.212844][ C1] ? stack_trace_save+0xe0/0xe0 [ 261.212857][ C1] arch_stack_walk+0xf2/0x140 [ 261.212876][ C1] stack_trace_save+0x98/0xe0 [ 261.212888][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 261.212905][ C1] ? memset+0x1e/0x40 [ 261.212920][ C1] __kasan_kmalloc+0xb5/0xf0 [ 261.212933][ C1] ? __kasan_kmalloc+0xb5/0xf0 [ 261.212947][ C1] ? __alloc_skb+0x22c/0x750 [ 261.212961][ C1] ? alloc_skb_with_frags+0xa7/0x730 [ 261.212974][ C1] ? sock_alloc_send_pskb+0x853/0x980 [ 261.212988][ C1] ? unix_dgram_sendmsg+0x5ef/0x1890 [ 261.213003][ C1] ? __sys_sendto+0x423/0x580 [ 261.213017][ C1] ? __x64_sys_sendto+0xda/0xf0 [ 261.213030][ C1] ? do_syscall_64+0x4c/0xa0 [ 261.213043][ C1] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 261.213071][ C1] ? alloc_skb_with_frags+0xa7/0x730 [ 261.213085][ C1] __alloc_skb+0x22c/0x750 [ 261.213100][ C1] alloc_skb_with_frags+0xa7/0x730 [ 261.213117][ C1] sock_alloc_send_pskb+0x853/0x980 [ 261.213136][ C1] ? sock_kzfree_s+0x50/0x50 [ 261.213148][ C1] ? do_raw_spin_lock+0x11d/0x280 [ 261.213163][ C1] ? __rwlock_init+0x140/0x140 [ 261.213177][ C1] ? do_raw_spin_unlock+0x11d/0x230 [ 261.213192][ C1] unix_dgram_sendmsg+0x5ef/0x1890 [ 261.213211][ C1] ? aa_sk_perm+0x7b4/0x8f0 [ 261.213229][ C1] ? unix_dgram_poll+0x660/0x660 [ 261.213243][ C1] ? tomoyo_socket_sendmsg_permission+0x1dd/0x2f0 [ 261.213262][ C1] ? aa_sock_msg_perm+0x94/0x150 [ 261.213277][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 261.213293][ C1] ? security_socket_sendmsg+0x7c/0xa0 [ 261.213307][ C1] __sys_sendto+0x423/0x580 [ 261.213322][ C1] ? __ia32_sys_getpeername+0x80/0x80 [ 261.213341][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 261.213360][ C1] ? lock_chain_count+0x20/0x20 [ 261.213375][ C1] ? vtime_user_exit+0x2dc/0x400 [ 261.213397][ C1] __x64_sys_sendto+0xda/0xf0 [ 261.213412][ C1] do_syscall_64+0x4c/0xa0 [ 261.213424][ C1] ? clear_bhb_loop+0x30/0x80 [ 261.213438][ C1] ? clear_bhb_loop+0x30/0x80 [ 261.213451][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 261.213466][ C1] RIP: 0033:0x7f20e8b69407 [ 261.213477][ C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 261.213489][ C1] RSP: 002b:00007ffd1b38fc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 261.213502][ C1] RAX: ffffffffffffffda RBX: 00007f20e8a19c80 RCX: 00007f20e8b69407 [ 261.213511][ C1] RDX: 0000000000000055 RSI: 00007ffd1b38fda0 RDI: 0000000000000003 [ 261.213520][ C1] RBP: 00007ffd1b3901d0 R08: 0000000000000000 R09: 0000000000000000 [ 261.213529][ C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffd1b3901e8 [ 261.213539][ C1] R13: 00007ffd1b38fda0 R14: 000000000000003a R15: 00007ffd1b38fda0 [ 261.213554][ C1] [ 261.227886][ T6345] CPU: 1 PID: 6345 Comm: syz.5.322 Not tainted syzkaller #0 [ 261.306760][ T6347] loop2: detected capacity change from 0 to 32768 [ 261.309653][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 261.459936][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 261.464290][ T6345] Call Trace: [ 261.761707][ T6345] [ 261.764631][ T6345] dump_stack_lvl+0x168/0x230 [ 261.769306][ T6345] ? show_regs_print_info+0x20/0x20 [ 261.774497][ T6345] ? load_image+0x3b0/0x3b0 [ 261.779082][ T6345] sysfs_create_dir_ns+0x252/0x280 [ 261.784184][ T6345] ? __lock_acquire+0x7c60/0x7c60 [ 261.789243][ T6345] ? sysfs_warn_dup+0xa0/0xa0 [ 261.793912][ T6345] ? do_raw_spin_unlock+0x11d/0x230 [ 261.799099][ T6345] kobject_add_internal+0x662/0xd00 [ 261.804292][ T6345] kobject_init_and_add+0x122/0x190 [ 261.809502][ T6345] ? lockdep_softirqs_off+0x420/0x420 [ 261.814866][ T6345] ? kobject_add+0x210/0x210 [ 261.819451][ T6345] ? __init_swait_queue_head+0xa5/0x150 [ 261.824989][ T6345] gfs2_sys_fs_add+0x234/0x480 [ 261.829742][ T6345] ? gfs2_recover_set+0x240/0x240 [ 261.834753][ T6345] ? snprintf+0xd7/0x120 [ 261.838983][ T6345] ? __free_pages+0x95/0x1a0 [ 261.843563][ T6345] ? vscnprintf+0x80/0x80 [ 261.847891][ T6345] gfs2_fill_super+0x128d/0x1f50 [ 261.852827][ T6345] ? gfs2_reconfigure+0xcd0/0xcd0 [ 261.857851][ T6345] ? preempt_count_add+0x8d/0x190 [ 261.862887][ T6345] ? sb_set_blocksize+0xa5/0xe0 [ 261.867743][ T6345] get_tree_bdev+0x3f1/0x610 [ 261.872368][ T6345] ? gfs2_reconfigure+0xcd0/0xcd0 [ 261.877400][ T6345] gfs2_get_tree+0x4d/0x1e0 [ 261.881903][ T6345] vfs_get_tree+0x88/0x270 [ 261.886401][ T6345] do_new_mount+0x24a/0xa40 [ 261.890901][ T6345] __se_sys_mount+0x2d6/0x3c0 [ 261.895748][ T6345] ? __x64_sys_mount+0xc0/0xc0 [ 261.900601][ T6345] ? lockdep_hardirqs_on+0x94/0x140 [ 261.905791][ T6345] ? __x64_sys_mount+0x1c/0xc0 [ 261.910548][ T6345] do_syscall_64+0x4c/0xa0 [ 261.914952][ T6345] ? clear_bhb_loop+0x30/0x80 [ 261.919616][ T6345] ? clear_bhb_loop+0x30/0x80 [ 261.924280][ T6345] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 261.930168][ T6345] RIP: 0033:0x7f18bd52010a [ 261.934578][ T6345] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 261.954304][ T6345] RSP: 002b:00007f18bc78de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 261.962724][ T6345] RAX: ffffffffffffffda RBX: 00007f18bc78def0 RCX: 00007f18bd52010a [ 261.970702][ T6345] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f18bc78deb0 [ 261.978751][ T6345] RBP: 0000200000000140 R08: 00007f18bc78def0 R09: 0000000000000815 [ 261.987056][ T6345] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040 [ 261.995147][ T6345] R13: 00007f18bc78deb0 R14: 00000000000126e0 R15: 0000200000000080 [ 262.003132][ T6345] [ 262.006169][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 262.013380][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 262.023437][ T27] Call Trace: [ 262.026715][ T27] [ 262.029652][ T27] dump_stack_lvl+0x168/0x230 [ 262.034339][ T27] ? show_regs_print_info+0x20/0x20 [ 262.039540][ T27] ? load_image+0x3b0/0x3b0 [ 262.044081][ T27] panic+0x2c9/0x7f0 [ 262.047978][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 262.053615][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 262.058127][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 262.063680][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 262.069835][ T27] watchdog+0xe4e/0xe50 [ 262.073997][ T27] kthread+0x436/0x520 [ 262.078070][ T27] ? hungtask_pm_notify+0x40/0x40 [ 262.083137][ T27] ? kthread_blkcg+0xd0/0xd0 [ 262.087741][ T27] ret_from_fork+0x1f/0x30 [ 262.092220][ T27] [ 262.095446][ T27] Kernel Offset: disabled [ 262.099779][ T27] Rebooting in 86400 seconds..